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
[ 14, 85, 98, 66 ]
66
[ "14+85=99", "99-98=1", "66*1=66" ]
Current State: 66:[14, 85, 98, 66], Operations: [] Exploring Operation: 14+85=99, Resulting Numbers: [98, 66, 99] Generated Node #2: [98, 66, 99] from Operation: 14+85=99 Current State: 66:[98, 66, 99], Operations: ['14+85=99'] Exploring Operation: 99-98=1, Resulting Numbers: [66, 1] Generated Node #3: [66, 1] from Operation: 99-98=1 Current State: 66:[66, 1], Operations: ['14+85=99', '99-98=1'] Exploring Operation: 66*1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[14, 85, 98, 66], Operations: [] Exploring Operation: 98-66=32, Resulting Numbers: [14, 85, 32] Generated Node #0,0: 66:[14, 85, 32] Operation: 98-66=32 Exploring Operation: 98-85=13, Resulting Numbers: [14, 66, 13] Generated Node #0,1: 66:[14, 66, 13] Operation: 98-85=13 Exploring Operation: 98/14=7, Resulting Numbers: [85, 66, 7] Generated Node #0,2: 66:[85, 66, 7] Operation: 98/14=7 Exploring Operation: 85-14=71, Resulting Numbers: [98, 66, 71] Generated Node #0,3: 66:[98, 66, 71] Operation: 85-14=71 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[14, 66, 13], Operations: ['98-85=13'] Exploring Operation: 14+66=80, Resulting Numbers: [13, 80] Generated Node #0,1,0: 66:[13, 80] Operation: 14+66=80 Exploring Operation: 66-14=52, Resulting Numbers: [13, 52] Generated Node #0,1,1: 66:[13, 52] Operation: 66-14=52 Exploring Operation: 14-13=1, Resulting Numbers: [66, 1] Generated Node #0,1,2: 66:[66, 1] Operation: 14-13=1 Exploring Operation: 14+13=27, Resulting Numbers: [66, 27] Generated Node #0,1,3: 66:[66, 27] Operation: 14+13=27 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 66:[66, 1], Operations: ['98-85=13', '14-13=1'] Exploring Operation: 66+1=67, Resulting Numbers: [67] 67,66 unequal: No Solution Exploring Operation: 66*1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[14, 85, 98, 66], Operations: [] Exploring Operation: 98-85=13, Resulting Numbers: [14, 66, 13] Generated Node #0,1: 66:[14, 66, 13] Operation: 98-85=13 Moving to Node #0,1 Current State: 66:[14, 66, 13], Operations: ['98-85=13'] Exploring Operation: 14-13=1, Resulting Numbers: [66, 1] Generated Node #0,1,2: 66:[66, 1] Operation: 14-13=1 Moving to Node #0,1,2 Current State: 66:[66, 1], Operations: ['98-85=13', '14-13=1'] Exploring Operation: 66*1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 66, 10, 8, 79 ]
93
[ "79-66=13", "10*8=80", "13+80=93" ]
Current State: 93:[66, 10, 8, 79], Operations: [] Exploring Operation: 79-66=13, Resulting Numbers: [10, 8, 13] Generated Node #2: [10, 8, 13] from Operation: 79-66=13 Current State: 93:[10, 8, 13], Operations: ['79-66=13'] Exploring Operation: 10*8=80, Resulting Numbers: [13, 80] Generated Node #3: [13, 80] from Operation: 10*8=80 Current State: 93:[13, 80], Operations: ['79-66=13', '10*8=80'] Exploring Operation: 13+80=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[66, 10, 8, 79], Operations: [] Exploring Operation: 10+79=89, Resulting Numbers: [66, 8, 89] Generated Node #0,0: 93:[66, 8, 89] Operation: 10+79=89 Exploring Operation: 79-66=13, Resulting Numbers: [10, 8, 13] Generated Node #0,1: 93:[10, 8, 13] Operation: 79-66=13 Exploring Operation: 66+10=76, Resulting Numbers: [8, 79, 76] Generated Node #0,2: 93:[8, 79, 76] Operation: 66+10=76 Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[10, 8, 13], Operations: ['79-66=13'] Exploring Operation: 10-8=2, Resulting Numbers: [13, 2] Generated Node #0,1,0: 93:[13, 2] Operation: 10-8=2 Exploring Operation: 13-10=3, Resulting Numbers: [8, 3] Generated Node #0,1,1: 93:[8, 3] Operation: 13-10=3 Exploring Operation: 13-8=5, Resulting Numbers: [10, 5] Generated Node #0,1,2: 93:[10, 5] Operation: 13-8=5 Moving to Node #0,1,1 Current State: 93:[8, 3], Operations: ['79-66=13', '13-10=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,93 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,93 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,93 unequal: No Solution Moving to Node #0,1,2 Current State: 93:[10, 5], Operations: ['79-66=13', '13-8=5'] Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[13, 2], Operations: ['79-66=13', '10-8=2'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,93 unequal: No Solution Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[66, 8, 89], Operations: ['10+79=89'] Exploring Operation: 89-66=23, Resulting Numbers: [8, 23] Generated Node #0,0,0: 93:[8, 23] Operation: 89-66=23 Exploring Operation: 66-8=58, Resulting Numbers: [89, 58] Generated Node #0,0,1: 93:[89, 58] Operation: 66-8=58 Exploring Operation: 66+8=74, Resulting Numbers: [89, 74] Generated Node #0,0,2: 93:[89, 74] Operation: 66+8=74 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 93:[8, 23], Operations: ['10+79=89', '89-66=23'] Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 8+23=31, Resulting Numbers: [31] 31,93 unequal: No Solution Exploring Operation: 8*23=184, Resulting Numbers: [184] 184,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 93:[89, 74], Operations: ['10+79=89', '66+8=74'] Exploring Operation: 89-74=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 89*74=6586, Resulting Numbers: [6586] 6586,93 unequal: No Solution Exploring Operation: 89+74=163, Resulting Numbers: [163] 163,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 93:[89, 58], Operations: ['10+79=89', '66-8=58'] Exploring Operation: 89-58=31, Resulting Numbers: [31] 31,93 unequal: No Solution Exploring Operation: 89+58=147, Resulting Numbers: [147] 147,93 unequal: No Solution Exploring Operation: 89*58=5162, Resulting Numbers: [5162] 5162,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[8, 79, 76], Operations: ['66+10=76'] Exploring Operation: 8+79=87, Resulting Numbers: [76, 87] Generated Node #0,2,0: 93:[76, 87] Operation: 8+79=87 Exploring Operation: 8+76=84, Resulting Numbers: [79, 84] Generated Node #0,2,1: 93:[79, 84] Operation: 8+76=84 Exploring Operation: 79-76=3, Resulting Numbers: [8, 3] Generated Node #0,2,2: 93:[8, 3] Operation: 79-76=3 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 93:[8, 3], Operations: ['66+10=76', '79-76=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,93 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 93:[76, 87], Operations: ['66+10=76', '8+79=87'] Exploring Operation: 76*87=6612, Resulting Numbers: [6612] 6612,93 unequal: No Solution Exploring Operation: 87-76=11, Resulting Numbers: [11] 11,93 unequal: No Solution Exploring Operation: 76+87=163, Resulting Numbers: [163] 163,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 93:[79, 84], Operations: ['66+10=76', '8+76=84'] Exploring Operation: 84-79=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 79+84=163, Resulting Numbers: [163] 163,93 unequal: No Solution Exploring Operation: 79*84=6636, Resulting Numbers: [6636] 6636,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 85, 14, 28, 92 ]
30
[ "92-85=7", "14/7=2", "28+2=30" ]
Current State: 30:[85, 14, 28, 92], Operations: [] Exploring Operation: 92-85=7, Resulting Numbers: [14, 28, 7] Generated Node #2: [14, 28, 7] from Operation: 92-85=7 Current State: 30:[14, 28, 7], Operations: ['92-85=7'] Exploring Operation: 14/7=2, Resulting Numbers: [28, 2] Generated Node #3: [28, 2] from Operation: 14/7=2 Current State: 30:[28, 2], Operations: ['92-85=7', '14/7=2'] Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[85, 14, 28, 92], Operations: [] Exploring Operation: 92-85=7, Resulting Numbers: [14, 28, 7] Generated Node #0,0: 30:[14, 28, 7] Operation: 92-85=7 Exploring Operation: 85-28=57, Resulting Numbers: [14, 92, 57] Generated Node #0,1: 30:[14, 92, 57] Operation: 85-28=57 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[14, 28, 7], Operations: ['92-85=7'] Exploring Operation: 28/14=2, Resulting Numbers: [7, 2] Generated Node #0,0,0: 30:[7, 2] Operation: 28/14=2 Exploring Operation: 28-14=14, Resulting Numbers: [7, 14] Generated Node #0,0,1: 30:[7, 14] Operation: 28-14=14 Moving to Node #0,0,0 Current State: 30:[7, 2], Operations: ['92-85=7', '28/14=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,30 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[7, 14], Operations: ['92-85=7', '28-14=14'] Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,30 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[14, 92, 57], Operations: ['85-28=57'] Exploring Operation: 92-57=35, Resulting Numbers: [14, 35] Generated Node #0,1,0: 30:[14, 35] Operation: 92-57=35 Exploring Operation: 92-14=78, Resulting Numbers: [57, 78] Generated Node #0,1,1: 30:[57, 78] Operation: 92-14=78 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 30:[14, 35], Operations: ['85-28=57', '92-57=35'] Exploring Operation: 14+35=49, Resulting Numbers: [49] 49,30 unequal: No Solution Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,30 unequal: No Solution No 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: 30:[57, 78], Operations: ['85-28=57', '92-14=78'] Exploring Operation: 57+78=135, Resulting Numbers: [135] 135,30 unequal: No Solution Exploring Operation: 78-57=21, Resulting Numbers: [21] 21,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 99, 39, 63, 43 ]
46
[ "99-39=60", "63+43=106", "106-60=46" ]
Current State: 46:[99, 39, 63, 43], Operations: [] Exploring Operation: 99-39=60, Resulting Numbers: [63, 43, 60] Generated Node #2: [63, 43, 60] from Operation: 99-39=60 Current State: 46:[63, 43, 60], Operations: ['99-39=60'] Exploring Operation: 63+43=106, Resulting Numbers: [60, 106] Generated Node #3: [60, 106] from Operation: 63+43=106 Current State: 46:[60, 106], Operations: ['99-39=60', '63+43=106'] Exploring Operation: 106-60=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[99, 39, 63, 43], Operations: [] Exploring Operation: 99-39=60, Resulting Numbers: [63, 43, 60] Generated Node #0,0: 46:[63, 43, 60] Operation: 99-39=60 Exploring Operation: 99-63=36, Resulting Numbers: [39, 43, 36] Generated Node #0,1: 46:[39, 43, 36] Operation: 99-63=36 Moving to Node #0,1 Current State: 46:[39, 43, 36], Operations: ['99-63=36'] Exploring Operation: 43-39=4, Resulting Numbers: [36, 4] Generated Node #0,1,0: 46:[36, 4] Operation: 43-39=4 Exploring Operation: 39-36=3, Resulting Numbers: [43, 3] Generated Node #0,1,1: 46:[43, 3] Operation: 39-36=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 46:[43, 3], Operations: ['99-63=36', '39-36=3'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,46 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[99, 39, 63, 43], Operations: [] Exploring Operation: 99-63=36, Resulting Numbers: [39, 43, 36] Generated Node #0,1: 46:[39, 43, 36] Operation: 99-63=36 Moving to Node #0,1 Current State: 46:[39, 43, 36], Operations: ['99-63=36'] Exploring Operation: 39-36=3, Resulting Numbers: [43, 3] Generated Node #0,1,1: 46:[43, 3] Operation: 39-36=3 Moving to Node #0,1,1 Current State: 46:[43, 3], Operations: ['99-63=36', '39-36=3'] Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 59, 71, 25, 65 ]
28
[ "71-59=12", "65-25=40", "40-12=28" ]
Current State: 28:[59, 71, 25, 65], Operations: [] Exploring Operation: 71-59=12, Resulting Numbers: [25, 65, 12] Generated Node #2: [25, 65, 12] from Operation: 71-59=12 Current State: 28:[25, 65, 12], Operations: ['71-59=12'] Exploring Operation: 65-25=40, Resulting Numbers: [12, 40] Generated Node #3: [12, 40] from Operation: 65-25=40 Current State: 28:[12, 40], Operations: ['71-59=12', '65-25=40'] Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[59, 71, 25, 65], Operations: [] Exploring Operation: 71-65=6, Resulting Numbers: [59, 25, 6] Generated Node #0,0: 28:[59, 25, 6] Operation: 71-65=6 Exploring Operation: 71-59=12, Resulting Numbers: [25, 65, 12] Generated Node #0,1: 28:[25, 65, 12] Operation: 71-59=12 Moving to Node #0,0 Current State: 28:[59, 25, 6], Operations: ['71-65=6'] Exploring Operation: 59-6=53, Resulting Numbers: [25, 53] Generated Node #0,0,0: 28:[25, 53] Operation: 59-6=53 Exploring Operation: 59-25=34, Resulting Numbers: [6, 34] Generated Node #0,0,1: 28:[6, 34] Operation: 59-25=34 Moving to Node #0,1 Current State: 28:[25, 65, 12], Operations: ['71-59=12'] Exploring Operation: 65-12=53, Resulting Numbers: [25, 53] Generated Node #0,1,0: 28:[25, 53] Operation: 65-12=53 Exploring Operation: 65-25=40, Resulting Numbers: [12, 40] Generated Node #0,1,1: 28:[12, 40] Operation: 65-25=40 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[12, 40], Operations: ['71-59=12', '65-25=40'] Exploring Operation: 12+40=52, Resulting Numbers: [52] 52,28 unequal: No Solution Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[59, 71, 25, 65], Operations: [] Exploring Operation: 71-59=12, Resulting Numbers: [25, 65, 12] Generated Node #0,1: 28:[25, 65, 12] Operation: 71-59=12 Moving to Node #0,1 Current State: 28:[25, 65, 12], Operations: ['71-59=12'] Exploring Operation: 65-25=40, Resulting Numbers: [12, 40] Generated Node #0,1,1: 28:[12, 40] Operation: 65-25=40 Moving to Node #0,1,1 Current State: 28:[12, 40], Operations: ['71-59=12', '65-25=40'] Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 11, 7, 12, 1 ]
29
[ "11+7=18", "12-1=11", "18+11=29" ]
Current State: 29:[11, 7, 12, 1], Operations: [] Exploring Operation: 11+7=18, Resulting Numbers: [12, 1, 18] Generated Node #2: [12, 1, 18] from Operation: 11+7=18 Current State: 29:[12, 1, 18], Operations: ['11+7=18'] Exploring Operation: 12-1=11, Resulting Numbers: [18, 11] Generated Node #3: [18, 11] from Operation: 12-1=11 Current State: 29:[18, 11], Operations: ['11+7=18', '12-1=11'] Exploring Operation: 18+11=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[11, 7, 12, 1], Operations: [] Exploring Operation: 11+7=18, Resulting Numbers: [12, 1, 18] Generated Node #0,0: 29:[12, 1, 18] Operation: 11+7=18 Exploring Operation: 11+12=23, Resulting Numbers: [7, 1, 23] Generated Node #0,1: 29:[7, 1, 23] Operation: 11+12=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[12, 1, 18], Operations: ['11+7=18'] Exploring Operation: 12+1=13, Resulting Numbers: [18, 13] Generated Node #0,0,0: 29:[18, 13] Operation: 12+1=13 Exploring Operation: 1+18=19, Resulting Numbers: [12, 19] Generated Node #0,0,1: 29:[12, 19] Operation: 1+18=19 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[18, 13], Operations: ['11+7=18', '12+1=13'] Exploring Operation: 18+13=31, Resulting Numbers: [31] 31,29 unequal: No Solution Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[12, 19], Operations: ['11+7=18', '1+18=19'] Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 12+19=31, Resulting Numbers: [31] 31,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[7, 1, 23], Operations: ['11+12=23'] Exploring Operation: 1+23=24, Resulting Numbers: [7, 24] Generated Node #0,1,0: 29:[7, 24] Operation: 1+23=24 Exploring Operation: 7+1=8, Resulting Numbers: [23, 8] Generated Node #0,1,1: 29:[23, 8] Operation: 7+1=8 Moving to Node #0,1,0 Current State: 29:[7, 24], Operations: ['11+12=23', '1+23=24'] Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,29 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[23, 8], Operations: ['11+12=23', '7+1=8'] Exploring Operation: 23+8=31, Resulting Numbers: [31] 31,29 unequal: No Solution Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,29 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
[ 11, 90, 2, 35 ]
68
[ "11+90=101", "35-2=33", "101-33=68" ]
Current State: 68:[11, 90, 2, 35], Operations: [] Exploring Operation: 11+90=101, Resulting Numbers: [2, 35, 101] Generated Node #2: [2, 35, 101] from Operation: 11+90=101 Current State: 68:[2, 35, 101], Operations: ['11+90=101'] Exploring Operation: 35-2=33, Resulting Numbers: [101, 33] Generated Node #3: [101, 33] from Operation: 35-2=33 Current State: 68:[101, 33], Operations: ['11+90=101', '35-2=33'] Exploring Operation: 101-33=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[11, 90, 2, 35], Operations: [] Exploring Operation: 90-2=88, Resulting Numbers: [11, 35, 88] Generated Node #0,0: 68:[11, 35, 88] Operation: 90-2=88 Exploring Operation: 90-35=55, Resulting Numbers: [11, 2, 55] Generated Node #0,1: 68:[11, 2, 55] Operation: 90-35=55 Exploring Operation: 90-11=79, Resulting Numbers: [2, 35, 79] Generated Node #0,2: 68:[2, 35, 79] Operation: 90-11=79 Exploring Operation: 90/2=45, Resulting Numbers: [11, 35, 45] Generated Node #0,3: 68:[11, 35, 45] Operation: 90/2=45 Exploring Operation: 11+2=13, Resulting Numbers: [90, 35, 13] Generated Node #0,4: 68:[90, 35, 13] Operation: 11+2=13 Moving to Node #0,2 Current State: 68:[2, 35, 79], Operations: ['90-11=79'] Exploring Operation: 2+35=37, Resulting Numbers: [79, 37] Generated Node #0,2,0: 68:[79, 37] Operation: 2+35=37 Exploring Operation: 79-35=44, Resulting Numbers: [2, 44] Generated Node #0,2,1: 68:[2, 44] Operation: 79-35=44 Exploring Operation: 2*35=70, Resulting Numbers: [79, 70] Generated Node #0,2,2: 68:[79, 70] Operation: 2*35=70 Exploring Operation: 79-2=77, Resulting Numbers: [35, 77] Generated Node #0,2,3: 68:[35, 77] Operation: 79-2=77 Exploring Operation: 35-2=33, Resulting Numbers: [79, 33] Generated Node #0,2,4: 68:[79, 33] Operation: 35-2=33 Moving to Node #0,3 Current State: 68:[11, 35, 45], Operations: ['90/2=45'] Exploring Operation: 11+45=56, Resulting Numbers: [35, 56] Generated Node #0,3,0: 68:[35, 56] Operation: 11+45=56 Exploring Operation: 35+45=80, Resulting Numbers: [11, 80] Generated Node #0,3,1: 68:[11, 80] Operation: 35+45=80 Exploring Operation: 45-11=34, Resulting Numbers: [35, 34] Generated Node #0,3,2: 68:[35, 34] Operation: 45-11=34 Exploring Operation: 45-35=10, Resulting Numbers: [11, 10] Generated Node #0,3,3: 68:[11, 10] Operation: 45-35=10 Exploring Operation: 35-11=24, Resulting Numbers: [45, 24] Generated Node #0,3,4: 68:[45, 24] Operation: 35-11=24 Moving to Node #0,1 Current State: 68:[11, 2, 55], Operations: ['90-35=55'] Exploring Operation: 11+2=13, Resulting Numbers: [55, 13] Generated Node #0,1,0: 68:[55, 13] Operation: 11+2=13 Exploring Operation: 55-11=44, Resulting Numbers: [2, 44] Generated Node #0,1,1: 68:[2, 44] Operation: 55-11=44 Exploring Operation: 11+55=66, Resulting Numbers: [2, 66] Generated Node #0,1,2: 68:[2, 66] Operation: 11+55=66 Exploring Operation: 2+55=57, Resulting Numbers: [11, 57] Generated Node #0,1,3: 68:[11, 57] Operation: 2+55=57 Exploring Operation: 55/11=5, Resulting Numbers: [2, 5] Generated Node #0,1,4: 68:[2, 5] Operation: 55/11=5 Moving to Node #0,0 Current State: 68:[11, 35, 88], Operations: ['90-2=88'] Exploring Operation: 88-11=77, Resulting Numbers: [35, 77] Generated Node #0,0,0: 68:[35, 77] Operation: 88-11=77 Exploring Operation: 88-35=53, Resulting Numbers: [11, 53] Generated Node #0,0,1: 68:[11, 53] Operation: 88-35=53 Exploring Operation: 88/11=8, Resulting Numbers: [35, 8] Generated Node #0,0,2: 68:[35, 8] Operation: 88/11=8 Exploring Operation: 11+35=46, Resulting Numbers: [88, 46] Generated Node #0,0,3: 68:[88, 46] Operation: 11+35=46 Exploring Operation: 35-11=24, Resulting Numbers: [88, 24] Generated Node #0,0,4: 68:[88, 24] Operation: 35-11=24 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 68:[35, 8], Operations: ['90-2=88', '88/11=8'] Exploring Operation: 35*8=280, Resulting Numbers: [280] 280,68 unequal: No Solution Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,68 unequal: No Solution Exploring Operation: 35+8=43, Resulting Numbers: [43] 43,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[35, 77], Operations: ['90-2=88', '88-11=77'] Exploring Operation: 77-35=42, Resulting Numbers: [42] 42,68 unequal: No Solution Exploring Operation: 35*77=2695, Resulting Numbers: [2695] 2695,68 unequal: No Solution Exploring Operation: 35+77=112, Resulting Numbers: [112] 112,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 68:[11, 53], Operations: ['90-2=88', '88-35=53'] Exploring Operation: 11+53=64, Resulting Numbers: [64] 64,68 unequal: No Solution Exploring Operation: 11*53=583, Resulting Numbers: [583] 583,68 unequal: No Solution Exploring Operation: 53-11=42, Resulting Numbers: [42] 42,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 68:[88, 24], Operations: ['90-2=88', '35-11=24'] Exploring Operation: 88-24=64, Resulting Numbers: [64] 64,68 unequal: No Solution Exploring Operation: 88+24=112, Resulting Numbers: [112] 112,68 unequal: No Solution Exploring Operation: 88*24=2112, Resulting Numbers: [2112] 2112,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 68:[88, 46], Operations: ['90-2=88', '11+35=46'] Exploring Operation: 88*46=4048, Resulting Numbers: [4048] 4048,68 unequal: No Solution Exploring Operation: 88+46=134, Resulting Numbers: [134] 134,68 unequal: No Solution Exploring Operation: 88-46=42, Resulting Numbers: [42] 42,68 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: 68:[90, 35, 13], Operations: ['11+2=13'] Exploring Operation: 35-13=22, Resulting Numbers: [90, 22] Generated Node #0,4,0: 68:[90, 22] Operation: 35-13=22 Exploring Operation: 90-35=55, Resulting Numbers: [13, 55] Generated Node #0,4,1: 68:[13, 55] Operation: 90-35=55 Exploring Operation: 90+13=103, Resulting Numbers: [35, 103] Generated Node #0,4,2: 68:[35, 103] Operation: 90+13=103 Exploring Operation: 35+13=48, Resulting Numbers: [90, 48] Generated Node #0,4,3: 68:[90, 48] Operation: 35+13=48 Exploring Operation: 90-13=77, Resulting Numbers: [35, 77] Generated Node #0,4,4: 68:[35, 77] Operation: 90-13=77 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 68:[35, 77], Operations: ['11+2=13', '90-13=77'] Exploring Operation: 35*77=2695, Resulting Numbers: [2695] 2695,68 unequal: No Solution Exploring Operation: 35+77=112, Resulting Numbers: [112] 112,68 unequal: No Solution Exploring Operation: 77-35=42, Resulting Numbers: [42] 42,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 68:[13, 55], Operations: ['11+2=13', '90-35=55'] Exploring Operation: 13*55=715, Resulting Numbers: [715] 715,68 unequal: No Solution Exploring Operation: 13+55=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[11, 90, 2, 35], Operations: [] Exploring Operation: 11+2=13, Resulting Numbers: [90, 35, 13] Generated Node #0,4: 68:[90, 35, 13] Operation: 11+2=13 Moving to Node #0,4 Current State: 68:[90, 35, 13], Operations: ['11+2=13'] Exploring Operation: 90-35=55, Resulting Numbers: [13, 55] Generated Node #0,4,1: 68:[13, 55] Operation: 90-35=55 Moving to Node #0,4,1 Current State: 68:[13, 55], Operations: ['11+2=13', '90-35=55'] Exploring Operation: 13+55=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.953125
hs_5
sum_heuristic
[ 9, 57, 20, 24 ]
99
[ "9*20=180", "57+24=81", "180-81=99" ]
Current State: 99:[9, 57, 20, 24], Operations: [] Exploring Operation: 9*20=180, Resulting Numbers: [57, 24, 180] Generated Node #2: [57, 24, 180] from Operation: 9*20=180 Current State: 99:[57, 24, 180], Operations: ['9*20=180'] Exploring Operation: 57+24=81, Resulting Numbers: [180, 81] Generated Node #3: [180, 81] from Operation: 57+24=81 Current State: 99:[180, 81], Operations: ['9*20=180', '57+24=81'] Exploring Operation: 180-81=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[9, 57, 20, 24], Operations: [] Exploring Operation: 57-24=33, Resulting Numbers: [9, 20, 33] Generated Node #0,0: 99:[9, 20, 33] Operation: 57-24=33 Exploring Operation: 24-20=4, Resulting Numbers: [9, 57, 4] Generated Node #0,1: 99:[9, 57, 4] Operation: 24-20=4 Exploring Operation: 57+20=77, Resulting Numbers: [9, 24, 77] Generated Node #0,2: 99:[9, 24, 77] Operation: 57+20=77 Exploring Operation: 57+24=81, Resulting Numbers: [9, 20, 81] Generated Node #0,3: 99:[9, 20, 81] Operation: 57+24=81 Exploring Operation: 57-20=37, Resulting Numbers: [9, 24, 37] Generated Node #0,4: 99:[9, 24, 37] Operation: 57-20=37 Moving to Node #0,0 Current State: 99:[9, 20, 33], Operations: ['57-24=33'] Exploring Operation: 9+20=29, Resulting Numbers: [33, 29] Generated Node #0,0,0: 99:[33, 29] Operation: 9+20=29 Exploring Operation: 33-20=13, Resulting Numbers: [9, 13] Generated Node #0,0,1: 99:[9, 13] Operation: 33-20=13 Exploring Operation: 33-9=24, Resulting Numbers: [20, 24] Generated Node #0,0,2: 99:[20, 24] Operation: 33-9=24 Exploring Operation: 9+33=42, Resulting Numbers: [20, 42] Generated Node #0,0,3: 99:[20, 42] Operation: 9+33=42 Exploring Operation: 20-9=11, Resulting Numbers: [33, 11] Generated Node #0,0,4: 99:[33, 11] Operation: 20-9=11 Moving to Node #0,4 Current State: 99:[9, 24, 37], Operations: ['57-20=37'] Exploring Operation: 9+37=46, Resulting Numbers: [24, 46] Generated Node #0,4,0: 99:[24, 46] Operation: 9+37=46 Exploring Operation: 37-9=28, Resulting Numbers: [24, 28] Generated Node #0,4,1: 99:[24, 28] Operation: 37-9=28 Exploring Operation: 24-9=15, Resulting Numbers: [37, 15] Generated Node #0,4,2: 99:[37, 15] Operation: 24-9=15 Exploring Operation: 9+24=33, Resulting Numbers: [37, 33] Generated Node #0,4,3: 99:[37, 33] Operation: 9+24=33 Exploring Operation: 37-24=13, Resulting Numbers: [9, 13] Generated Node #0,4,4: 99:[9, 13] Operation: 37-24=13 Moving to Node #0,1 Current State: 99:[9, 57, 4], Operations: ['24-20=4'] Exploring Operation: 9-4=5, Resulting Numbers: [57, 5] Generated Node #0,1,0: 99:[57, 5] Operation: 9-4=5 Exploring Operation: 9+4=13, Resulting Numbers: [57, 13] Generated Node #0,1,1: 99:[57, 13] Operation: 9+4=13 Exploring Operation: 9*4=36, Resulting Numbers: [57, 36] Generated Node #0,1,2: 99:[57, 36] Operation: 9*4=36 Exploring Operation: 57-9=48, Resulting Numbers: [4, 48] Generated Node #0,1,3: 99:[4, 48] Operation: 57-9=48 Exploring Operation: 57-4=53, Resulting Numbers: [9, 53] Generated Node #0,1,4: 99:[9, 53] Operation: 57-4=53 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 99:[4, 48], Operations: ['24-20=4', '57-9=48'] Exploring Operation: 4+48=52, Resulting Numbers: [52] 52,99 unequal: No Solution Exploring Operation: 4*48=192, Resulting Numbers: [192] 192,99 unequal: No Solution Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,99 unequal: No Solution Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,99 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 #0,1,4 Current State: 99:[9, 53], Operations: ['24-20=4', '57-4=53'] Exploring Operation: 9+53=62, Resulting Numbers: [62] 62,99 unequal: No Solution Exploring Operation: 53-9=44, Resulting Numbers: [44] 44,99 unequal: No Solution Exploring Operation: 9*53=477, Resulting Numbers: [477] 477,99 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:[57, 5], Operations: ['24-20=4', '9-4=5'] Exploring Operation: 57*5=285, Resulting Numbers: [285] 285,99 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,99 unequal: No Solution Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,99 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 #0,1,1 Current State: 99:[57, 13], Operations: ['24-20=4', '9+4=13'] Exploring Operation: 57*13=741, Resulting Numbers: [741] 741,99 unequal: No Solution Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,99 unequal: No Solution Exploring Operation: 57+13=70, Resulting Numbers: [70] 70,99 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:[57, 36], Operations: ['24-20=4', '9*4=36'] Exploring Operation: 57-36=21, Resulting Numbers: [21] 21,99 unequal: No Solution Exploring Operation: 57+36=93, Resulting Numbers: [93] 93,99 unequal: No Solution Exploring Operation: 57*36=2052, Resulting Numbers: [2052] 2052,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 99:[9, 20, 81], Operations: ['57+24=81'] Exploring Operation: 9+81=90, Resulting Numbers: [20, 90] Generated Node #0,3,0: 99:[20, 90] Operation: 9+81=90 Exploring Operation: 81/9=9, Resulting Numbers: [20, 9] Generated Node #0,3,1: 99:[20, 9] Operation: 81/9=9 Exploring Operation: 20-9=11, Resulting Numbers: [81, 11] Generated Node #0,3,2: 99:[81, 11] Operation: 20-9=11 Exploring Operation: 9+20=29, Resulting Numbers: [81, 29] Generated Node #0,3,3: 99:[81, 29] Operation: 9+20=29 Exploring Operation: 20+81=101, Resulting Numbers: [9, 101] Generated Node #0,3,4: 99:[9, 101] Operation: 20+81=101 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 99:[9, 101], Operations: ['57+24=81', '20+81=101'] Exploring Operation: 9*101=909, Resulting Numbers: [909] 909,99 unequal: No Solution Exploring Operation: 9+101=110, Resulting Numbers: [110] 110,99 unequal: No Solution Exploring Operation: 101-9=92, Resulting Numbers: [92] 92,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 99:[20, 9], Operations: ['57+24=81', '81/9=9'] Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,99 unequal: No Solution Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,99 unequal: No Solution Exploring Operation: 20*9=180, Resulting Numbers: [180] 180,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 99:[20, 90], Operations: ['57+24=81', '9+81=90'] Exploring Operation: 20*90=1800, Resulting Numbers: [1800] 1800,99 unequal: No Solution Exploring Operation: 90-20=70, Resulting Numbers: [70] 70,99 unequal: No Solution Exploring Operation: 20+90=110, Resulting Numbers: [110] 110,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 99:[81, 11], Operations: ['57+24=81', '20-9=11'] Exploring Operation: 81*11=891, Resulting Numbers: [891] 891,99 unequal: No Solution Exploring Operation: 81+11=92, Resulting Numbers: [92] 92,99 unequal: No Solution Exploring Operation: 81-11=70, Resulting Numbers: [70] 70,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 99:[81, 29], Operations: ['57+24=81', '9+20=29'] Exploring Operation: 81*29=2349, Resulting Numbers: [2349] 2349,99 unequal: No Solution Exploring Operation: 81-29=52, Resulting Numbers: [52] 52,99 unequal: No Solution Exploring Operation: 81+29=110, Resulting Numbers: [110] 110,99 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:[9, 24, 77], Operations: ['57+20=77'] Exploring Operation: 9+24=33, Resulting Numbers: [77, 33] Generated Node #0,2,0: 99:[77, 33] Operation: 9+24=33 Exploring Operation: 24+77=101, Resulting Numbers: [9, 101] Generated Node #0,2,1: 99:[9, 101] Operation: 24+77=101 Exploring Operation: 24-9=15, Resulting Numbers: [77, 15] Generated Node #0,2,2: 99:[77, 15] Operation: 24-9=15 Exploring Operation: 9+77=86, Resulting Numbers: [24, 86] Generated Node #0,2,3: 99:[24, 86] Operation: 9+77=86 Exploring Operation: 77-24=53, Resulting Numbers: [9, 53] Generated Node #0,2,4: 99:[9, 53] Operation: 77-24=53 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 99:[9, 101], Operations: ['57+20=77', '24+77=101'] Exploring Operation: 9*101=909, Resulting Numbers: [909] 909,99 unequal: No Solution Exploring Operation: 9+101=110, Resulting Numbers: [110] 110,99 unequal: No Solution Exploring Operation: 101-9=92, Resulting Numbers: [92] 92,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 99:[9, 53], Operations: ['57+20=77', '77-24=53'] Exploring Operation: 9*53=477, Resulting Numbers: [477] 477,99 unequal: No Solution Exploring Operation: 9+53=62, Resulting Numbers: [62] 62,99 unequal: No Solution Exploring Operation: 53-9=44, Resulting Numbers: [44] 44,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 99:[77, 33], Operations: ['57+20=77', '9+24=33'] Exploring Operation: 77+33=110, Resulting Numbers: [110] 110,99 unequal: No Solution Exploring Operation: 77*33=2541, Resulting Numbers: [2541] 2541,99 unequal: No Solution Exploring Operation: 77-33=44, Resulting Numbers: [44] 44,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 99:[24, 86], Operations: ['57+20=77', '9+77=86'] Exploring Operation: 86-24=62, Resulting Numbers: [62] 62,99 unequal: No Solution Exploring Operation: 24*86=2064, Resulting Numbers: [2064] 2064,99 unequal: No Solution Exploring Operation: 24+86=110, Resulting Numbers: [110] 110,99 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:[77, 15], Operations: ['57+20=77', '24-9=15'] Exploring Operation: 77*15=1155, Resulting Numbers: [1155] 1155,99 unequal: No Solution Exploring Operation: 77+15=92, Resulting Numbers: [92] 92,99 unequal: No Solution Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,4 Current State: 99:[33, 11], Operations: ['57-24=33', '20-9=11'] Exploring Operation: 33*11=363, Resulting Numbers: [363] 363,99 unequal: No Solution Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 33+11=44, Resulting Numbers: [44] 44,99 unequal: No Solution Moving to Node #0,4,4 Current State: 99:[9, 13], Operations: ['57-20=37', '37-24=13'] Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 9*13=117, Resulting Numbers: [117] 117,99 unequal: No Solution Exploring Operation: 9+13=22, Resulting Numbers: [22] 22,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[9, 13], Operations: ['57-24=33', '33-20=13'] Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 9+13=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 9*13=117, Resulting Numbers: [117] 117,99 unequal: No Solution Moving to Node #0,4,3 Current State: 99:[37, 33], Operations: ['57-20=37', '9+24=33'] Exploring Operation: 37-33=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 37+33=70, Resulting Numbers: [70] 70,99 unequal: No Solution Exploring Operation: 37*33=1221, Resulting Numbers: [1221] 1221,99 unequal: No Solution Moving to Node #0,0,0 Current State: 99:[33, 29], Operations: ['57-24=33', '9+20=29'] Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 33+29=62, Resulting Numbers: [62] 62,99 unequal: No Solution Exploring Operation: 33*29=957, Resulting Numbers: [957] 957,99 unequal: No Solution Moving to Node #0,4,2 Current State: 99:[37, 15], Operations: ['57-20=37', '24-9=15'] Exploring Operation: 37*15=555, Resulting Numbers: [555] 555,99 unequal: No Solution Exploring Operation: 37+15=52, Resulting Numbers: [52] 52,99 unequal: No Solution Exploring Operation: 37-15=22, Resulting Numbers: [22] 22,99 unequal: No Solution Moving to Node #0,4,1 Current State: 99:[24, 28], Operations: ['57-20=37', '37-9=28'] Exploring Operation: 24*28=672, Resulting Numbers: [672] 672,99 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 24+28=52, Resulting Numbers: [52] 52,99 unequal: No Solution Moving to Node #0,0,2 Current State: 99:[20, 24], Operations: ['57-24=33', '33-9=24'] Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,99 unequal: No Solution Exploring Operation: 20*24=480, Resulting Numbers: [480] 480,99 unequal: No Solution Moving to Node #0,0,3 Current State: 99:[20, 42], Operations: ['57-24=33', '9+33=42'] Exploring Operation: 20+42=62, Resulting Numbers: [62] 62,99 unequal: No Solution Exploring Operation: 20*42=840, Resulting Numbers: [840] 840,99 unequal: No Solution Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,99 unequal: No Solution Moving to Node #0,4,0 Current State: 99:[24, 46], Operations: ['57-20=37', '9+37=46'] Exploring Operation: 24*46=1104, Resulting Numbers: [1104] 1104,99 unequal: No Solution Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 24+46=70, Resulting Numbers: [70] 70,99 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 85, 2, 47, 41 ]
82
[ "85*2=170", "47+41=88", "170-88=82" ]
Current State: 82:[85, 2, 47, 41], Operations: [] Exploring Operation: 85*2=170, Resulting Numbers: [47, 41, 170] Generated Node #2: [47, 41, 170] from Operation: 85*2=170 Current State: 82:[47, 41, 170], Operations: ['85*2=170'] Exploring Operation: 47+41=88, Resulting Numbers: [170, 88] Generated Node #3: [170, 88] from Operation: 47+41=88 Current State: 82:[170, 88], Operations: ['85*2=170', '47+41=88'] Exploring Operation: 170-88=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[85, 2, 47, 41], Operations: [] Exploring Operation: 85-2=83, Resulting Numbers: [47, 41, 83] Generated Node #0,0: 82:[47, 41, 83] Operation: 85-2=83 Exploring Operation: 85-47=38, Resulting Numbers: [2, 41, 38] Generated Node #0,1: 82:[2, 41, 38] Operation: 85-47=38 Exploring Operation: 47-41=6, Resulting Numbers: [85, 2, 6] Generated Node #0,2: 82:[85, 2, 6] Operation: 47-41=6 Exploring Operation: 47-2=45, Resulting Numbers: [85, 41, 45] Generated Node #0,3: 82:[85, 41, 45] Operation: 47-2=45 Exploring Operation: 85-41=44, Resulting Numbers: [2, 47, 44] Generated Node #0,4: 82:[2, 47, 44] Operation: 85-41=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[2, 41, 38], Operations: ['85-47=38'] Exploring Operation: 2*41=82, Resulting Numbers: [38, 82] Generated Node #0,1,0: 82:[38, 82] Operation: 2*41=82 Exploring Operation: 2+41=43, Resulting Numbers: [38, 43] Generated Node #0,1,1: 82:[38, 43] Operation: 2+41=43 Exploring Operation: 41-38=3, Resulting Numbers: [2, 3] Generated Node #0,1,2: 82:[2, 3] Operation: 41-38=3 Exploring Operation: 41+38=79, Resulting Numbers: [2, 79] Generated Node #0,1,3: 82:[2, 79] Operation: 41+38=79 Exploring Operation: 2+38=40, Resulting Numbers: [41, 40] Generated Node #0,1,4: 82:[41, 40] Operation: 2+38=40 Moving to Node #0,1,2 Current State: 82:[2, 3], Operations: ['85-47=38', '41-38=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,82 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,82 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,82 unequal: No Solution Moving to Node #0,1,4 Current State: 82:[41, 40], Operations: ['85-47=38', '2+38=40'] Exploring Operation: 41-40=1, Resulting Numbers: [1] 1,82 unequal: No Solution Exploring Operation: 41*40=1640, Resulting Numbers: [1640] 1640,82 unequal: No Solution Exploring Operation: 41+40=81, Resulting Numbers: [81] 81,82 unequal: No Solution Moving to Node #0,1,0 Current State: 82:[38, 82], Operations: ['85-47=38', '2*41=82'] Exploring Operation: 82-38=44, Resulting Numbers: [44] 44,82 unequal: No Solution Exploring Operation: 38*82=3116, Resulting Numbers: [3116] 3116,82 unequal: No Solution Exploring Operation: 38+82=120, Resulting Numbers: [120] 120,82 unequal: No Solution Moving to Node #0,1,3 Current State: 82:[2, 79], Operations: ['85-47=38', '41+38=79'] Exploring Operation: 2*79=158, Resulting Numbers: [158] 158,82 unequal: No Solution Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,82 unequal: No Solution Exploring Operation: 2+79=81, Resulting Numbers: [81] 81,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[38, 43], Operations: ['85-47=38', '2+41=43'] Exploring Operation: 43-38=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 38+43=81, Resulting Numbers: [81] 81,82 unequal: No Solution Exploring Operation: 38*43=1634, Resulting Numbers: [1634] 1634,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[47, 41, 83], Operations: ['85-2=83'] Exploring Operation: 47-41=6, Resulting Numbers: [83, 6] Generated Node #0,0,0: 82:[83, 6] Operation: 47-41=6 Exploring Operation: 83-47=36, Resulting Numbers: [41, 36] Generated Node #0,0,1: 82:[41, 36] Operation: 83-47=36 Exploring Operation: 47+41=88, Resulting Numbers: [83, 88] Generated Node #0,0,2: 82:[83, 88] Operation: 47+41=88 Exploring Operation: 83-41=42, Resulting Numbers: [47, 42] Generated Node #0,0,3: 82:[47, 42] Operation: 83-41=42 Exploring Operation: 47+83=130, Resulting Numbers: [41, 130] Generated Node #0,0,4: 82:[41, 130] Operation: 47+83=130 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[83, 6], Operations: ['85-2=83', '47-41=6'] Exploring Operation: 83+6=89, Resulting Numbers: [89] 89,82 unequal: No Solution Exploring Operation: 83*6=498, Resulting Numbers: [498] 498,82 unequal: No Solution Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[41, 36], Operations: ['85-2=83', '83-47=36'] Exploring Operation: 41+36=77, Resulting Numbers: [77] 77,82 unequal: No Solution Exploring Operation: 41*36=1476, Resulting Numbers: [1476] 1476,82 unequal: No Solution Exploring Operation: 41-36=5, Resulting Numbers: [5] 5,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 82:[83, 88], Operations: ['85-2=83', '47+41=88'] Exploring Operation: 83+88=171, Resulting Numbers: [171] 171,82 unequal: No Solution Exploring Operation: 88-83=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 83*88=7304, Resulting Numbers: [7304] 7304,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 82:[47, 42], Operations: ['85-2=83', '83-41=42'] Exploring Operation: 47+42=89, Resulting Numbers: [89] 89,82 unequal: No Solution Exploring Operation: 47*42=1974, Resulting Numbers: [1974] 1974,82 unequal: No Solution Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 82:[41, 130], Operations: ['85-2=83', '47+83=130'] Exploring Operation: 41*130=5330, Resulting Numbers: [5330] 5330,82 unequal: No Solution Exploring Operation: 41+130=171, Resulting Numbers: [171] 171,82 unequal: No Solution Exploring Operation: 130-41=89, Resulting Numbers: [89] 89,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[85, 2, 6], Operations: ['47-41=6'] Exploring Operation: 85-2=83, Resulting Numbers: [6, 83] Generated Node #0,2,0: 82:[6, 83] Operation: 85-2=83 Exploring Operation: 6/2=3, Resulting Numbers: [85, 3] Generated Node #0,2,1: 82:[85, 3] Operation: 6/2=3 Exploring Operation: 85+2=87, Resulting Numbers: [6, 87] Generated Node #0,2,2: 82:[6, 87] Operation: 85+2=87 Exploring Operation: 6-2=4, Resulting Numbers: [85, 4] Generated Node #0,2,3: 82:[85, 4] Operation: 6-2=4 Exploring Operation: 85-6=79, Resulting Numbers: [2, 79] Generated Node #0,2,4: 82:[2, 79] Operation: 85-6=79 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 82:[2, 79], Operations: ['47-41=6', '85-6=79'] Exploring Operation: 2+79=81, Resulting Numbers: [81] 81,82 unequal: No Solution Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,82 unequal: No Solution Exploring Operation: 2*79=158, Resulting Numbers: [158] 158,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 82:[85, 3], Operations: ['47-41=6', '6/2=3'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[85, 2, 47, 41], Operations: [] Exploring Operation: 47-41=6, Resulting Numbers: [85, 2, 6] Generated Node #0,2: 82:[85, 2, 6] Operation: 47-41=6 Moving to Node #0,2 Current State: 82:[85, 2, 6], Operations: ['47-41=6'] Exploring Operation: 6/2=3, Resulting Numbers: [85, 3] Generated Node #0,2,1: 82:[85, 3] Operation: 6/2=3 Moving to Node #0,2,1 Current State: 82:[85, 3], Operations: ['47-41=6', '6/2=3'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.949653
hs_5
mult_heuristic
[ 12, 18, 78, 46 ]
26
[ "18-12=6", "78-46=32", "32-6=26" ]
Current State: 26:[12, 18, 78, 46], Operations: [] Exploring Operation: 18-12=6, Resulting Numbers: [78, 46, 6] Generated Node #2: [78, 46, 6] from Operation: 18-12=6 Current State: 26:[78, 46, 6], Operations: ['18-12=6'] Exploring Operation: 78-46=32, Resulting Numbers: [6, 32] Generated Node #3: [6, 32] from Operation: 78-46=32 Current State: 26:[6, 32], Operations: ['18-12=6', '78-46=32'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[12, 18, 78, 46], Operations: [] Exploring Operation: 78-18=60, Resulting Numbers: [12, 46, 60] Generated Node #0,0: 26:[12, 46, 60] Operation: 78-18=60 Exploring Operation: 46-18=28, Resulting Numbers: [12, 78, 28] Generated Node #0,1: 26:[12, 78, 28] Operation: 46-18=28 Exploring Operation: 78-12=66, Resulting Numbers: [18, 46, 66] Generated Node #0,2: 26:[18, 46, 66] Operation: 78-12=66 Exploring Operation: 78-46=32, Resulting Numbers: [12, 18, 32] Generated Node #0,3: 26:[12, 18, 32] Operation: 78-46=32 Start Sub Search at level 1: Moving to Node #0,3 Current State: 26:[12, 18, 32], Operations: ['78-46=32'] Exploring Operation: 12+18=30, Resulting Numbers: [32, 30] Generated Node #0,3,0: 26:[32, 30] Operation: 12+18=30 Exploring Operation: 18-12=6, Resulting Numbers: [32, 6] Generated Node #0,3,1: 26:[32, 6] Operation: 18-12=6 Exploring Operation: 32-18=14, Resulting Numbers: [12, 14] Generated Node #0,3,2: 26:[12, 14] Operation: 32-18=14 Exploring Operation: 32-12=20, Resulting Numbers: [18, 20] Generated Node #0,3,3: 26:[18, 20] Operation: 32-12=20 Moving to Node #0,3,2 Current State: 26:[12, 14], Operations: ['78-46=32', '32-18=14'] Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,26 unequal: No Solution Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[12, 18, 78, 46], Operations: [] Exploring Operation: 78-46=32, Resulting Numbers: [12, 18, 32] Generated Node #0,3: 26:[12, 18, 32] Operation: 78-46=32 Moving to Node #0,3 Current State: 26:[12, 18, 32], Operations: ['78-46=32'] Exploring Operation: 32-18=14, Resulting Numbers: [12, 14] Generated Node #0,3,2: 26:[12, 14] Operation: 32-18=14 Moving to Node #0,3,2 Current State: 26:[12, 14], Operations: ['78-46=32', '32-18=14'] Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 47, 36, 39, 86 ]
35
[ "47+39=86", "86/86=1", "36-1=35" ]
Current State: 35:[47, 36, 39, 86], Operations: [] Exploring Operation: 47+39=86, Resulting Numbers: [36, 86, 86] Generated Node #2: [36, 86, 86] from Operation: 47+39=86 Current State: 35:[36, 86, 86], Operations: ['47+39=86'] Exploring Operation: 86/86=1, Resulting Numbers: [36, 1] Generated Node #3: [36, 1] from Operation: 86/86=1 Current State: 35:[36, 1], Operations: ['47+39=86', '86/86=1'] Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[47, 36, 39, 86], Operations: [] Exploring Operation: 47-39=8, Resulting Numbers: [36, 86, 8] Generated Node #0,0: 35:[36, 86, 8] Operation: 47-39=8 Exploring Operation: 86-39=47, Resulting Numbers: [47, 36, 47] Generated Node #0,1: 35:[47, 36, 47] Operation: 86-39=47 Exploring Operation: 86-36=50, Resulting Numbers: [47, 39, 50] Generated Node #0,2: 35:[47, 39, 50] Operation: 86-36=50 Exploring Operation: 86-47=39, Resulting Numbers: [36, 39, 39] Generated Node #0,3: 35:[36, 39, 39] Operation: 86-47=39 Start Sub Search at level 1: Moving to Node #0,3 Current State: 35:[36, 39, 39], Operations: ['86-47=39'] Exploring Operation: 39-36=3, Resulting Numbers: [39, 3] Generated Node #0,3,0: 35:[39, 3] Operation: 39-36=3 Exploring Operation: 39-39=0, Resulting Numbers: [36, 0] Generated Node #0,3,1: 35:[36, 0] Operation: 39-39=0 Exploring Operation: 39/39=1, Resulting Numbers: [36, 1] Generated Node #0,3,2: 35:[36, 1] Operation: 39/39=1 Exploring Operation: 39-36=3, Resulting Numbers: [39, 3] Generated Node #0,3,3: 35:[39, 3] Operation: 39-36=3 Moving to Node #0,3,2 Current State: 35:[36, 1], Operations: ['86-47=39', '39/39=1'] Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[47, 36, 39, 86], Operations: [] Exploring Operation: 86-47=39, Resulting Numbers: [36, 39, 39] Generated Node #0,3: 35:[36, 39, 39] Operation: 86-47=39 Moving to Node #0,3 Current State: 35:[36, 39, 39], Operations: ['86-47=39'] Exploring Operation: 39/39=1, Resulting Numbers: [36, 1] Generated Node #0,3,2: 35:[36, 1] Operation: 39/39=1 Moving to Node #0,3,2 Current State: 35:[36, 1], Operations: ['86-47=39', '39/39=1'] Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 7, 7, 1, 62 ]
62
[ "7-7=0", "1*62=62", "0+62=62" ]
Current State: 62:[7, 7, 1, 62], Operations: [] Exploring Operation: 7-7=0, Resulting Numbers: [1, 62, 0] Generated Node #2: [1, 62, 0] from Operation: 7-7=0 Current State: 62:[1, 62, 0], Operations: ['7-7=0'] Exploring Operation: 1*62=62, Resulting Numbers: [0, 62] Generated Node #3: [0, 62] from Operation: 1*62=62 Current State: 62:[0, 62], Operations: ['7-7=0', '1*62=62'] Exploring Operation: 0+62=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[7, 7, 1, 62], Operations: [] Exploring Operation: 7-7=0, Resulting Numbers: [1, 62, 0] Generated Node #0,0: 62:[1, 62, 0] Operation: 7-7=0 Exploring Operation: 7/7=1, Resulting Numbers: [1, 62, 1] Generated Node #0,1: 62:[1, 62, 1] Operation: 7/7=1 Exploring Operation: 7-1=6, Resulting Numbers: [7, 62, 6] Generated Node #0,2: 62:[7, 62, 6] Operation: 7-1=6 Moving to Node #0,1 Current State: 62:[1, 62, 1], Operations: ['7/7=1'] Exploring Operation: 62/1=62, Resulting Numbers: [1, 62] Generated Node #0,1,0: 62:[1, 62] Operation: 62/1=62 Exploring Operation: 1+1=2, Resulting Numbers: [62, 2] Generated Node #0,1,1: 62:[62, 2] Operation: 1+1=2 Exploring Operation: 1*62=62, Resulting Numbers: [1, 62] Generated Node #0,1,2: 62:[1, 62] Operation: 1*62=62 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 62:[62, 2], Operations: ['7/7=1', '1+1=2'] Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,62 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,62 unequal: No Solution Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,62 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 #0,1,0 Current State: 62:[1, 62], Operations: ['7/7=1', '62/1=62'] Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[7, 7, 1, 62], Operations: [] Exploring Operation: 7/7=1, Resulting Numbers: [1, 62, 1] Generated Node #0,1: 62:[1, 62, 1] Operation: 7/7=1 Moving to Node #0,1 Current State: 62:[1, 62, 1], Operations: ['7/7=1'] Exploring Operation: 62/1=62, Resulting Numbers: [1, 62] Generated Node #0,1,0: 62:[1, 62] Operation: 62/1=62 Moving to Node #0,1,0 Current State: 62:[1, 62], Operations: ['7/7=1', '62/1=62'] Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 7, 78, 31, 86 ]
25
[ "86-78=8", "7*8=56", "56-31=25" ]
Current State: 25:[7, 78, 31, 86], Operations: [] Exploring Operation: 86-78=8, Resulting Numbers: [7, 31, 8] Generated Node #2: [7, 31, 8] from Operation: 86-78=8 Current State: 25:[7, 31, 8], Operations: ['86-78=8'] Exploring Operation: 7*8=56, Resulting Numbers: [31, 56] Generated Node #3: [31, 56] from Operation: 7*8=56 Current State: 25:[31, 56], Operations: ['86-78=8', '7*8=56'] Exploring Operation: 56-31=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[7, 78, 31, 86], Operations: [] Exploring Operation: 86-78=8, Resulting Numbers: [7, 31, 8] Generated Node #0,0: 25:[7, 31, 8] Operation: 86-78=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[7, 31, 8], Operations: ['86-78=8'] Exploring Operation: 31-7=24, Resulting Numbers: [8, 24] Generated Node #0,0,0: 25:[8, 24] Operation: 31-7=24 Moving to Node #0,0,0 Current State: 25:[8, 24], Operations: ['86-78=8', '31-7=24'] Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,25 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
[ 1, 66, 6, 17 ]
90
[ "1+66=67", "6+17=23", "67+23=90" ]
Current State: 90:[1, 66, 6, 17], Operations: [] Exploring Operation: 1+66=67, Resulting Numbers: [6, 17, 67] Generated Node #2: [6, 17, 67] from Operation: 1+66=67 Current State: 90:[6, 17, 67], Operations: ['1+66=67'] Exploring Operation: 6+17=23, Resulting Numbers: [67, 23] Generated Node #3: [67, 23] from Operation: 6+17=23 Current State: 90:[67, 23], Operations: ['1+66=67', '6+17=23'] Exploring Operation: 67+23=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[1, 66, 6, 17], Operations: [] Exploring Operation: 66-17=49, Resulting Numbers: [1, 6, 49] Generated Node #0,0: 90:[1, 6, 49] Operation: 66-17=49 Exploring Operation: 66+17=83, Resulting Numbers: [1, 6, 83] Generated Node #0,1: 90:[1, 6, 83] Operation: 66+17=83 Exploring Operation: 66-6=60, Resulting Numbers: [1, 17, 60] Generated Node #0,2: 90:[1, 17, 60] Operation: 66-6=60 Exploring Operation: 66/6=11, Resulting Numbers: [1, 17, 11] Generated Node #0,3: 90:[1, 17, 11] Operation: 66/6=11 Moving to Node #0,3 Current State: 90:[1, 17, 11], Operations: ['66/6=11'] Exploring Operation: 11-1=10, Resulting Numbers: [17, 10] Generated Node #0,3,0: 90:[17, 10] Operation: 11-1=10 Exploring Operation: 1+17=18, Resulting Numbers: [11, 18] Generated Node #0,3,1: 90:[11, 18] Operation: 1+17=18 Exploring Operation: 17-11=6, Resulting Numbers: [1, 6] Generated Node #0,3,2: 90:[1, 6] Operation: 17-11=6 Exploring Operation: 1*17=17, Resulting Numbers: [11, 17] Generated Node #0,3,3: 90:[11, 17] Operation: 1*17=17 Moving to Node #0,0 Current State: 90:[1, 6, 49], Operations: ['66-17=49'] Exploring Operation: 6-1=5, Resulting Numbers: [49, 5] Generated Node #0,0,0: 90:[49, 5] Operation: 6-1=5 Exploring Operation: 49-6=43, Resulting Numbers: [1, 43] Generated Node #0,0,1: 90:[1, 43] Operation: 49-6=43 Exploring Operation: 49-1=48, Resulting Numbers: [6, 48] Generated Node #0,0,2: 90:[6, 48] Operation: 49-1=48 Exploring Operation: 1*6=6, Resulting Numbers: [49, 6] Generated Node #0,0,3: 90:[49, 6] Operation: 1*6=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 90:[1, 43], Operations: ['66-17=49', '49-6=43'] Exploring Operation: 1*43=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,90 unequal: No Solution Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 1+43=44, Resulting Numbers: [44] 44,90 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 #0,0,2 Current State: 90:[6, 48], Operations: ['66-17=49', '49-1=48'] Exploring Operation: 6*48=288, Resulting Numbers: [288] 288,90 unequal: No Solution Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,90 unequal: No Solution Exploring Operation: 6+48=54, Resulting Numbers: [54] 54,90 unequal: No Solution Exploring Operation: 48/6=8, Resulting Numbers: [8] 8,90 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 #0,0,0 Current State: 90:[49, 5], Operations: ['66-17=49', '6-1=5'] Exploring Operation: 49*5=245, Resulting Numbers: [245] 245,90 unequal: No Solution Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,90 unequal: No Solution Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,90 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 #0,0,3 Current State: 90:[49, 6], Operations: ['66-17=49', '1*6=6'] Exploring Operation: 49+6=55, Resulting Numbers: [55] 55,90 unequal: No Solution Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 49*6=294, Resulting Numbers: [294] 294,90 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: 90:[1, 6, 83], Operations: ['66+17=83'] Exploring Operation: 1+83=84, Resulting Numbers: [6, 84] Generated Node #0,1,0: 90:[6, 84] Operation: 1+83=84 Exploring Operation: 6+83=89, Resulting Numbers: [1, 89] Generated Node #0,1,1: 90:[1, 89] Operation: 6+83=89 Exploring Operation: 6-1=5, Resulting Numbers: [83, 5] Generated Node #0,1,2: 90:[83, 5] Operation: 6-1=5 Exploring Operation: 1*6=6, Resulting Numbers: [83, 6] Generated Node #0,1,3: 90:[83, 6] Operation: 1*6=6 Moving to Node #0,2 Current State: 90:[1, 17, 60], Operations: ['66-6=60'] Exploring Operation: 60-1=59, Resulting Numbers: [17, 59] Generated Node #0,2,0: 90:[17, 59] Operation: 60-1=59 Exploring Operation: 17+60=77, Resulting Numbers: [1, 77] Generated Node #0,2,1: 90:[1, 77] Operation: 17+60=77 Exploring Operation: 1+17=18, Resulting Numbers: [60, 18] Generated Node #0,2,2: 90:[60, 18] Operation: 1+17=18 Exploring Operation: 60-17=43, Resulting Numbers: [1, 43] Generated Node #0,2,3: 90:[1, 43] Operation: 60-17=43 Moving to Node #0,3,0 Current State: 90:[17, 10], Operations: ['66/6=11', '11-1=10'] Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 17*10=170, Resulting Numbers: [170] 170,90 unequal: No Solution Exploring Operation: 17+10=27, Resulting Numbers: [27] 27,90 unequal: No Solution Moving to Node #0,3,2 Current State: 90:[1, 6], Operations: ['66/6=11', '17-11=6'] Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,90 unequal: No Solution Moving to Node #0,3,1 Current State: 90:[11, 18], Operations: ['66/6=11', '1+17=18'] Exploring Operation: 11*18=198, Resulting Numbers: [198] 198,90 unequal: No Solution Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,90 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[1, 89], Operations: ['66+17=83', '6+83=89'] Exploring Operation: 1+89=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[1, 66, 6, 17], Operations: [] Exploring Operation: 66+17=83, Resulting Numbers: [1, 6, 83] Generated Node #0,1: 90:[1, 6, 83] Operation: 66+17=83 Moving to Node #0,1 Current State: 90:[1, 6, 83], Operations: ['66+17=83'] Exploring Operation: 6+83=89, Resulting Numbers: [1, 89] Generated Node #0,1,1: 90:[1, 89] Operation: 6+83=89 Moving to Node #0,1,1 Current State: 90:[1, 89], Operations: ['66+17=83', '6+83=89'] Exploring Operation: 1+89=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.957465
hs_4
mult_heuristic
[ 50, 4, 78, 90 ]
22
[ "78-50=28", "4*28=112", "112-90=22" ]
Current State: 22:[50, 4, 78, 90], Operations: [] Exploring Operation: 78-50=28, Resulting Numbers: [4, 90, 28] Generated Node #2: [4, 90, 28] from Operation: 78-50=28 Current State: 22:[4, 90, 28], Operations: ['78-50=28'] Exploring Operation: 4*28=112, Resulting Numbers: [90, 112] Generated Node #3: [90, 112] from Operation: 4*28=112 Current State: 22:[90, 112], Operations: ['78-50=28', '4*28=112'] Exploring Operation: 112-90=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[50, 4, 78, 90], Operations: [] Exploring Operation: 90-78=12, Resulting Numbers: [50, 4, 12] Generated Node #0,0: 22:[50, 4, 12] Operation: 90-78=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[50, 4, 12], Operations: ['90-78=12'] Exploring Operation: 50-12=38, Resulting Numbers: [4, 38] Generated Node #0,0,0: 22:[4, 38] Operation: 50-12=38 Moving to Node #0,0,0 Current State: 22:[4, 38], Operations: ['90-78=12', '50-12=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,22 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
[ 39, 45, 78, 32 ]
26
[ "39+45=84", "78+32=110", "110-84=26" ]
Current State: 26:[39, 45, 78, 32], Operations: [] Exploring Operation: 39+45=84, Resulting Numbers: [78, 32, 84] Generated Node #2: [78, 32, 84] from Operation: 39+45=84 Current State: 26:[78, 32, 84], Operations: ['39+45=84'] Exploring Operation: 78+32=110, Resulting Numbers: [84, 110] Generated Node #3: [84, 110] from Operation: 78+32=110 Current State: 26:[84, 110], Operations: ['39+45=84', '78+32=110'] Exploring Operation: 110-84=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[39, 45, 78, 32], Operations: [] Exploring Operation: 78/39=2, Resulting Numbers: [45, 32, 2] Generated Node #0,0: 26:[45, 32, 2] Operation: 78/39=2 Exploring Operation: 78-45=33, Resulting Numbers: [39, 32, 33] Generated Node #0,1: 26:[39, 32, 33] Operation: 78-45=33 Moving to Node #0,0 Current State: 26:[45, 32, 2], Operations: ['78/39=2'] Exploring Operation: 32/2=16, Resulting Numbers: [45, 16] Generated Node #0,0,0: 26:[45, 16] Operation: 32/2=16 Exploring Operation: 45-32=13, Resulting Numbers: [2, 13] Generated Node #0,0,1: 26:[2, 13] Operation: 45-32=13 Moving to Node #0,1 Current State: 26:[39, 32, 33], Operations: ['78-45=33'] Exploring Operation: 39-32=7, Resulting Numbers: [33, 7] Generated Node #0,1,0: 26:[33, 7] Operation: 39-32=7 Exploring Operation: 39-33=6, Resulting Numbers: [32, 6] Generated Node #0,1,1: 26:[32, 6] Operation: 39-33=6 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[32, 6], Operations: ['78-45=33', '39-33=6'] Exploring Operation: 32+6=38, Resulting Numbers: [38] 38,26 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[39, 45, 78, 32], Operations: [] Exploring Operation: 78-45=33, Resulting Numbers: [39, 32, 33] Generated Node #0,1: 26:[39, 32, 33] Operation: 78-45=33 Moving to Node #0,1 Current State: 26:[39, 32, 33], Operations: ['78-45=33'] Exploring Operation: 39-33=6, Resulting Numbers: [32, 6] Generated Node #0,1,1: 26:[32, 6] Operation: 39-33=6 Moving to Node #0,1,1 Current State: 26:[32, 6], Operations: ['78-45=33', '39-33=6'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 82, 58, 36, 37 ]
67
[ "82+58=140", "36+37=73", "140-73=67" ]
Current State: 67:[82, 58, 36, 37], Operations: [] Exploring Operation: 82+58=140, Resulting Numbers: [36, 37, 140] Generated Node #2: [36, 37, 140] from Operation: 82+58=140 Current State: 67:[36, 37, 140], Operations: ['82+58=140'] Exploring Operation: 36+37=73, Resulting Numbers: [140, 73] Generated Node #3: [140, 73] from Operation: 36+37=73 Current State: 67:[140, 73], Operations: ['82+58=140', '36+37=73'] Exploring Operation: 140-73=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[82, 58, 36, 37], Operations: [] Exploring Operation: 36+37=73, Resulting Numbers: [82, 58, 73] Generated Node #0,0: 67:[82, 58, 73] Operation: 36+37=73 Moving to Node #0,0 Current State: 67:[82, 58, 73], Operations: ['36+37=73'] Exploring Operation: 82-58=24, Resulting Numbers: [73, 24] Generated Node #0,0,0: 67:[73, 24] Operation: 82-58=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[73, 24], Operations: ['36+37=73', '82-58=24'] Exploring Operation: 73-24=49, Resulting Numbers: [49] 49,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 4, 63, 75, 4 ]
63
[ "4-4=0", "75*0=0", "63+0=63" ]
Current State: 63:[4, 63, 75, 4], Operations: [] Exploring Operation: 4-4=0, Resulting Numbers: [63, 75, 0] Generated Node #2: [63, 75, 0] from Operation: 4-4=0 Current State: 63:[63, 75, 0], Operations: ['4-4=0'] Exploring Operation: 75*0=0, Resulting Numbers: [63, 0] Generated Node #3: [63, 0] from Operation: 75*0=0 Current State: 63:[63, 0], Operations: ['4-4=0', '75*0=0'] Exploring Operation: 63+0=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[4, 63, 75, 4], Operations: [] Exploring Operation: 4+4=8, Resulting Numbers: [63, 75, 8] Generated Node #0,0: 63:[63, 75, 8] Operation: 4+4=8 Exploring Operation: 75-4=71, Resulting Numbers: [4, 63, 71] Generated Node #0,1: 63:[4, 63, 71] Operation: 75-4=71 Exploring Operation: 75-63=12, Resulting Numbers: [4, 4, 12] Generated Node #0,2: 63:[4, 4, 12] Operation: 75-63=12 Exploring Operation: 75-4=71, Resulting Numbers: [63, 4, 71] Generated Node #0,3: 63:[63, 4, 71] Operation: 75-4=71 Moving to Node #0,2 Current State: 63:[4, 4, 12], Operations: ['75-63=12'] Exploring Operation: 12-4=8, Resulting Numbers: [4, 8] Generated Node #0,2,0: 63:[4, 8] Operation: 12-4=8 Exploring Operation: 12/4=3, Resulting Numbers: [4, 3] Generated Node #0,2,1: 63:[4, 3] Operation: 12/4=3 Exploring Operation: 12/4=3, Resulting Numbers: [4, 3] Generated Node #0,2,2: 63:[4, 3] Operation: 12/4=3 Exploring Operation: 12-4=8, Resulting Numbers: [4, 8] Generated Node #0,2,3: 63:[4, 8] Operation: 12-4=8 Moving to Node #0,3 Current State: 63:[63, 4, 71], Operations: ['75-4=71'] Exploring Operation: 71-4=67, Resulting Numbers: [63, 67] Generated Node #0,3,0: 63:[63, 67] Operation: 71-4=67 Exploring Operation: 63-4=59, Resulting Numbers: [71, 59] Generated Node #0,3,1: 63:[71, 59] Operation: 63-4=59 Exploring Operation: 71-63=8, Resulting Numbers: [4, 8] Generated Node #0,3,2: 63:[4, 8] Operation: 71-63=8 Exploring Operation: 63+4=67, Resulting Numbers: [71, 67] Generated Node #0,3,3: 63:[71, 67] Operation: 63+4=67 Moving to Node #0,1 Current State: 63:[4, 63, 71], Operations: ['75-4=71'] Exploring Operation: 71-63=8, Resulting Numbers: [4, 8] Generated Node #0,1,0: 63:[4, 8] Operation: 71-63=8 Exploring Operation: 71-4=67, Resulting Numbers: [63, 67] Generated Node #0,1,1: 63:[63, 67] Operation: 71-4=67 Exploring Operation: 63-4=59, Resulting Numbers: [71, 59] Generated Node #0,1,2: 63:[71, 59] Operation: 63-4=59 Exploring Operation: 4+63=67, Resulting Numbers: [71, 67] Generated Node #0,1,3: 63:[71, 67] Operation: 4+63=67 Moving to Node #0,0 Current State: 63:[63, 75, 8], Operations: ['4+4=8'] Exploring Operation: 75-63=12, Resulting Numbers: [8, 12] Generated Node #0,0,0: 63:[8, 12] Operation: 75-63=12 Exploring Operation: 63-8=55, Resulting Numbers: [75, 55] Generated Node #0,0,1: 63:[75, 55] Operation: 63-8=55 Exploring Operation: 63+8=71, Resulting Numbers: [75, 71] Generated Node #0,0,2: 63:[75, 71] Operation: 63+8=71 Exploring Operation: 75-8=67, Resulting Numbers: [63, 67] Generated Node #0,0,3: 63:[63, 67] Operation: 75-8=67 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[8, 12], Operations: ['4+4=8', '75-63=12'] Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,63 unequal: No Solution Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 63:[63, 67], Operations: ['4+4=8', '75-8=67'] Exploring Operation: 67-63=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 63+67=130, Resulting Numbers: [130] 130,63 unequal: No Solution Exploring Operation: 63*67=4221, Resulting Numbers: [4221] 4221,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 63:[75, 55], Operations: ['4+4=8', '63-8=55'] Exploring Operation: 75*55=4125, Resulting Numbers: [4125] 4125,63 unequal: No Solution Exploring Operation: 75-55=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 75+55=130, Resulting Numbers: [130] 130,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 63:[75, 71], Operations: ['4+4=8', '63+8=71'] Exploring Operation: 75-71=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 75*71=5325, Resulting Numbers: [5325] 5325,63 unequal: No Solution Exploring Operation: 75+71=146, Resulting Numbers: [146] 146,63 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: 63:[4, 3], Operations: ['75-63=12', '12/4=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,63 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,63 unequal: No Solution Moving to Node #0,2,2 Current State: 63:[4, 3], Operations: ['75-63=12', '12/4=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,63 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,63 unequal: No Solution Moving to Node #0,2,0 Current State: 63:[4, 8], Operations: ['75-63=12', '12-4=8'] Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,63 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,63 unequal: No Solution Moving to Node #0,3,2 Current State: 63:[4, 8], Operations: ['75-4=71', '71-63=8'] Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,63 unequal: No Solution Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,63 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,63 unequal: No Solution Moving to Node #0,2,3 Current State: 63:[4, 8], Operations: ['75-63=12', '12-4=8'] Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,63 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,63 unequal: No Solution Moving to Node #0,1,0 Current State: 63:[4, 8], Operations: ['75-4=71', '71-63=8'] Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,63 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,63 unequal: No Solution Moving to Node #0,3,0 Current State: 63:[63, 67], Operations: ['75-4=71', '71-4=67'] Exploring Operation: 63+67=130, Resulting Numbers: [130] 130,63 unequal: No Solution Exploring Operation: 67-63=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 63*67=4221, Resulting Numbers: [4221] 4221,63 unequal: No Solution Moving to Node #0,1,1 Current State: 63:[63, 67], Operations: ['75-4=71', '71-4=67'] Exploring Operation: 67-63=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 63+67=130, Resulting Numbers: [130] 130,63 unequal: No Solution Exploring Operation: 63*67=4221, Resulting Numbers: [4221] 4221,63 unequal: No Solution Moving to Node #0,1,2 Current State: 63:[71, 59], Operations: ['75-4=71', '63-4=59'] Exploring Operation: 71*59=4189, Resulting Numbers: [4189] 4189,63 unequal: No Solution Exploring Operation: 71+59=130, Resulting Numbers: [130] 130,63 unequal: No Solution Exploring Operation: 71-59=12, Resulting Numbers: [12] 12,63 unequal: No Solution Moving to Node #0,3,1 Current State: 63:[71, 59], Operations: ['75-4=71', '63-4=59'] Exploring Operation: 71+59=130, Resulting Numbers: [130] 130,63 unequal: No Solution Exploring Operation: 71*59=4189, Resulting Numbers: [4189] 4189,63 unequal: No Solution Exploring Operation: 71-59=12, Resulting Numbers: [12] 12,63 unequal: No Solution Moving to Node #0,1,3 Current State: 63:[71, 67], Operations: ['75-4=71', '4+63=67'] Exploring Operation: 71*67=4757, Resulting Numbers: [4757] 4757,63 unequal: No Solution Exploring Operation: 71-67=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 71+67=138, Resulting Numbers: [138] 138,63 unequal: No Solution Moving to Node #0,3,3 Current State: 63:[71, 67], Operations: ['75-4=71', '63+4=67'] Exploring Operation: 71*67=4757, Resulting Numbers: [4757] 4757,63 unequal: No Solution Exploring Operation: 71-67=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 71+67=138, Resulting Numbers: [138] 138,63 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 87, 86, 2, 53 ]
27
[ "87-86=1", "53+1=54", "54/2=27" ]
Current State: 27:[87, 86, 2, 53], Operations: [] Exploring Operation: 87-86=1, Resulting Numbers: [2, 53, 1] Generated Node #2: [2, 53, 1] from Operation: 87-86=1 Current State: 27:[2, 53, 1], Operations: ['87-86=1'] Exploring Operation: 53+1=54, Resulting Numbers: [2, 54] Generated Node #3: [2, 54] from Operation: 53+1=54 Current State: 27:[2, 54], Operations: ['87-86=1', '53+1=54'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[87, 86, 2, 53], Operations: [] Exploring Operation: 87-2=85, Resulting Numbers: [86, 53, 85] Generated Node #0,0: 27:[86, 53, 85] Operation: 87-2=85 Exploring Operation: 87-53=34, Resulting Numbers: [86, 2, 34] Generated Node #0,1: 27:[86, 2, 34] Operation: 87-53=34 Exploring Operation: 87-86=1, Resulting Numbers: [2, 53, 1] Generated Node #0,2: 27:[2, 53, 1] Operation: 87-86=1 Exploring Operation: 86-53=33, Resulting Numbers: [87, 2, 33] Generated Node #0,3: 27:[87, 2, 33] Operation: 86-53=33 Exploring Operation: 86/2=43, Resulting Numbers: [87, 53, 43] Generated Node #0,4: 27:[87, 53, 43] Operation: 86/2=43 Moving to Node #0,2 Current State: 27:[2, 53, 1], Operations: ['87-86=1'] Exploring Operation: 53-1=52, Resulting Numbers: [2, 52] Generated Node #0,2,0: 27:[2, 52] Operation: 53-1=52 Exploring Operation: 53-2=51, Resulting Numbers: [1, 51] Generated Node #0,2,1: 27:[1, 51] Operation: 53-2=51 Exploring Operation: 2*1=2, Resulting Numbers: [53, 2] Generated Node #0,2,2: 27:[53, 2] Operation: 2*1=2 Exploring Operation: 2+1=3, Resulting Numbers: [53, 3] Generated Node #0,2,3: 27:[53, 3] Operation: 2+1=3 Exploring Operation: 2/1=2, Resulting Numbers: [53, 2] Generated Node #0,2,4: 27:[53, 2] Operation: 2/1=2 Moving to Node #0,3 Current State: 27:[87, 2, 33], Operations: ['86-53=33'] Exploring Operation: 87-33=54, Resulting Numbers: [2, 54] Generated Node #0,3,0: 27:[2, 54] Operation: 87-33=54 Exploring Operation: 87+2=89, Resulting Numbers: [33, 89] Generated Node #0,3,1: 27:[33, 89] Operation: 87+2=89 Exploring Operation: 33-2=31, Resulting Numbers: [87, 31] Generated Node #0,3,2: 27:[87, 31] Operation: 33-2=31 Exploring Operation: 2+33=35, Resulting Numbers: [87, 35] Generated Node #0,3,3: 27:[87, 35] Operation: 2+33=35 Exploring Operation: 87-2=85, Resulting Numbers: [33, 85] Generated Node #0,3,4: 27:[33, 85] Operation: 87-2=85 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 27:[2, 54], Operations: ['86-53=33', '87-33=54'] Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,27 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[87, 86, 2, 53], Operations: [] Exploring Operation: 86-53=33, Resulting Numbers: [87, 2, 33] Generated Node #0,3: 27:[87, 2, 33] Operation: 86-53=33 Moving to Node #0,3 Current State: 27:[87, 2, 33], Operations: ['86-53=33'] Exploring Operation: 87-33=54, Resulting Numbers: [2, 54] Generated Node #0,3,0: 27:[2, 54] Operation: 87-33=54 Moving to Node #0,3,0 Current State: 27:[2, 54], Operations: ['86-53=33', '87-33=54'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 24, 6, 14, 40 ]
26
[ "6+14=20", "40/20=2", "24+2=26" ]
Current State: 26:[24, 6, 14, 40], Operations: [] Exploring Operation: 6+14=20, Resulting Numbers: [24, 40, 20] Generated Node #2: [24, 40, 20] from Operation: 6+14=20 Current State: 26:[24, 40, 20], Operations: ['6+14=20'] Exploring Operation: 40/20=2, Resulting Numbers: [24, 2] Generated Node #3: [24, 2] from Operation: 40/20=2 Current State: 26:[24, 2], Operations: ['6+14=20', '40/20=2'] Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[24, 6, 14, 40], Operations: [] Exploring Operation: 40-14=26, Resulting Numbers: [24, 6, 26] Generated Node #0,0: 26:[24, 6, 26] Operation: 40-14=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[24, 6, 26], Operations: ['40-14=26'] Exploring Operation: 24/6=4, Resulting Numbers: [26, 4] Generated Node #0,0,0: 26:[26, 4] Operation: 24/6=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[26, 4], Operations: ['40-14=26', '24/6=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 80, 52, 27, 28 ]
56
[ "80+28=108", "108/27=4", "52+4=56" ]
Current State: 56:[80, 52, 27, 28], Operations: [] Exploring Operation: 80+28=108, Resulting Numbers: [52, 27, 108] Generated Node #2: [52, 27, 108] from Operation: 80+28=108 Current State: 56:[52, 27, 108], Operations: ['80+28=108'] Exploring Operation: 108/27=4, Resulting Numbers: [52, 4] Generated Node #3: [52, 4] from Operation: 108/27=4 Current State: 56:[52, 4], Operations: ['80+28=108', '108/27=4'] Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[80, 52, 27, 28], Operations: [] Exploring Operation: 80-52=28, Resulting Numbers: [27, 28, 28] Generated Node #0,0: 56:[27, 28, 28] Operation: 80-52=28 Moving to Node #0,0 Current State: 56:[27, 28, 28], Operations: ['80-52=28'] Exploring Operation: 27+28=55, Resulting Numbers: [28, 55] Generated Node #0,0,0: 56:[28, 55] Operation: 27+28=55 Moving to Node #0,0,0 Current State: 56:[28, 55], Operations: ['80-52=28', '27+28=55'] Exploring Operation: 55-28=27, Resulting Numbers: [27] 27,56 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 96, 53, 70, 74 ]
92
[ "96*53=5088", "70*74=5180", "5180-5088=92" ]
Current State: 92:[96, 53, 70, 74], Operations: [] Exploring Operation: 96*53=5088, Resulting Numbers: [70, 74, 5088] Generated Node #2: [70, 74, 5088] from Operation: 96*53=5088 Current State: 92:[70, 74, 5088], Operations: ['96*53=5088'] Exploring Operation: 70*74=5180, Resulting Numbers: [5088, 5180] Generated Node #3: [5088, 5180] from Operation: 70*74=5180 Current State: 92:[5088, 5180], Operations: ['96*53=5088', '70*74=5180'] Exploring Operation: 5180-5088=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[96, 53, 70, 74], Operations: [] Exploring Operation: 74-70=4, Resulting Numbers: [96, 53, 4] Generated Node #0,0: 92:[96, 53, 4] Operation: 74-70=4 Exploring Operation: 96-70=26, Resulting Numbers: [53, 74, 26] Generated Node #0,1: 92:[53, 74, 26] Operation: 96-70=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[96, 53, 4], Operations: ['74-70=4'] Exploring Operation: 96-53=43, Resulting Numbers: [4, 43] Generated Node #0,0,0: 92:[4, 43] Operation: 96-53=43 Exploring Operation: 96-4=92, Resulting Numbers: [53, 92] Generated Node #0,0,1: 92:[53, 92] Operation: 96-4=92 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 92:[4, 43], Operations: ['74-70=4', '96-53=43'] Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,92 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,92 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 #0,0,1 Current State: 92:[53, 92], Operations: ['74-70=4', '96-4=92'] Exploring Operation: 92-53=39, Resulting Numbers: [39] 39,92 unequal: No Solution Exploring Operation: 53+92=145, Resulting Numbers: [145] 145,92 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:[53, 74, 26], Operations: ['96-70=26'] Exploring Operation: 74-53=21, Resulting Numbers: [26, 21] Generated Node #0,1,0: 92:[26, 21] Operation: 74-53=21 Exploring Operation: 74-26=48, Resulting Numbers: [53, 48] Generated Node #0,1,1: 92:[53, 48] Operation: 74-26=48 Moving to Node #0,1,0 Current State: 92:[26, 21], Operations: ['96-70=26', '74-53=21'] Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,92 unequal: No Solution Exploring Operation: 26+21=47, Resulting Numbers: [47] 47,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[53, 48], Operations: ['96-70=26', '74-26=48'] Exploring Operation: 53+48=101, Resulting Numbers: [101] 101,92 unequal: No Solution Exploring Operation: 53-48=5, Resulting Numbers: [5] 5,92 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
[ 67, 15, 12, 85 ]
36
[ "67+15=82", "85-82=3", "12*3=36" ]
Current State: 36:[67, 15, 12, 85], Operations: [] Exploring Operation: 67+15=82, Resulting Numbers: [12, 85, 82] Generated Node #2: [12, 85, 82] from Operation: 67+15=82 Current State: 36:[12, 85, 82], Operations: ['67+15=82'] Exploring Operation: 85-82=3, Resulting Numbers: [12, 3] Generated Node #3: [12, 3] from Operation: 85-82=3 Current State: 36:[12, 3], Operations: ['67+15=82', '85-82=3'] Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[67, 15, 12, 85], Operations: [] Exploring Operation: 85-67=18, Resulting Numbers: [15, 12, 18] Generated Node #0,0: 36:[15, 12, 18] Operation: 85-67=18 Moving to Node #0,0 Current State: 36:[15, 12, 18], Operations: ['85-67=18'] Exploring Operation: 15-12=3, Resulting Numbers: [18, 3] Generated Node #0,0,0: 36:[18, 3] Operation: 15-12=3 Moving to Node #0,0,0 Current State: 36:[18, 3], Operations: ['85-67=18', '15-12=3'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,36 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 29, 4, 94, 83 ]
44
[ "29+4=33", "94-83=11", "33+11=44" ]
Current State: 44:[29, 4, 94, 83], Operations: [] Exploring Operation: 29+4=33, Resulting Numbers: [94, 83, 33] Generated Node #2: [94, 83, 33] from Operation: 29+4=33 Current State: 44:[94, 83, 33], Operations: ['29+4=33'] Exploring Operation: 94-83=11, Resulting Numbers: [33, 11] Generated Node #3: [33, 11] from Operation: 94-83=11 Current State: 44:[33, 11], Operations: ['29+4=33', '94-83=11'] Exploring Operation: 33+11=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[29, 4, 94, 83], Operations: [] Exploring Operation: 94-29=65, Resulting Numbers: [4, 83, 65] Generated Node #0,0: 44:[4, 83, 65] Operation: 94-29=65 Exploring Operation: 94-83=11, Resulting Numbers: [29, 4, 11] Generated Node #0,1: 44:[29, 4, 11] Operation: 94-83=11 Exploring Operation: 83-29=54, Resulting Numbers: [4, 94, 54] Generated Node #0,2: 44:[4, 94, 54] Operation: 83-29=54 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[29, 4, 11], Operations: ['94-83=11'] Exploring Operation: 29+11=40, Resulting Numbers: [4, 40] Generated Node #0,1,0: 44:[4, 40] Operation: 29+11=40 Exploring Operation: 29-4=25, Resulting Numbers: [11, 25] Generated Node #0,1,1: 44:[11, 25] Operation: 29-4=25 Exploring Operation: 29-11=18, Resulting Numbers: [4, 18] Generated Node #0,1,2: 44:[4, 18] Operation: 29-11=18 Moving to Node #0,1,1 Current State: 44:[11, 25], Operations: ['94-83=11', '29-4=25'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 11*25=275, Resulting Numbers: [275] 275,44 unequal: No Solution Exploring Operation: 11+25=36, Resulting Numbers: [36] 36,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[4, 40], Operations: ['94-83=11', '29+11=40'] Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[29, 4, 94, 83], Operations: [] Exploring Operation: 94-83=11, Resulting Numbers: [29, 4, 11] Generated Node #0,1: 44:[29, 4, 11] Operation: 94-83=11 Moving to Node #0,1 Current State: 44:[29, 4, 11], Operations: ['94-83=11'] Exploring Operation: 29+11=40, Resulting Numbers: [4, 40] Generated Node #0,1,0: 44:[4, 40] Operation: 29+11=40 Moving to Node #0,1,0 Current State: 44:[4, 40], Operations: ['94-83=11', '29+11=40'] Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 2, 37, 92, 1 ]
74
[ "37-1=36", "36/2=18", "92-18=74" ]
Current State: 74:[2, 37, 92, 1], Operations: [] Exploring Operation: 37-1=36, Resulting Numbers: [2, 92, 36] Generated Node #2: [2, 92, 36] from Operation: 37-1=36 Current State: 74:[2, 92, 36], Operations: ['37-1=36'] Exploring Operation: 36/2=18, Resulting Numbers: [92, 18] Generated Node #3: [92, 18] from Operation: 36/2=18 Current State: 74:[92, 18], Operations: ['37-1=36', '36/2=18'] Exploring Operation: 92-18=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[2, 37, 92, 1], Operations: [] Exploring Operation: 92-2=90, Resulting Numbers: [37, 1, 90] Generated Node #0,0: 74:[37, 1, 90] Operation: 92-2=90 Exploring Operation: 92/2=46, Resulting Numbers: [37, 1, 46] Generated Node #0,1: 74:[37, 1, 46] Operation: 92/2=46 Exploring Operation: 2*1=2, Resulting Numbers: [37, 92, 2] Generated Node #0,2: 74:[37, 92, 2] Operation: 2*1=2 Exploring Operation: 92-1=91, Resulting Numbers: [2, 37, 91] Generated Node #0,3: 74:[2, 37, 91] Operation: 92-1=91 Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[37, 1, 46], Operations: ['92/2=46'] Exploring Operation: 37/1=37, Resulting Numbers: [46, 37] Generated Node #0,1,0: 74:[46, 37] Operation: 37/1=37 Exploring Operation: 46-37=9, Resulting Numbers: [1, 9] Generated Node #0,1,1: 74:[1, 9] Operation: 46-37=9 Exploring Operation: 37*1=37, Resulting Numbers: [46, 37] Generated Node #0,1,2: 74:[46, 37] Operation: 37*1=37 Exploring Operation: 46-1=45, Resulting Numbers: [37, 45] Generated Node #0,1,3: 74:[37, 45] Operation: 46-1=45 Moving to Node #0,1,1 Current State: 74:[1, 9], Operations: ['92/2=46', '46-37=9'] Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,74 unequal: No Solution Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,74 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,74 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,74 unequal: No Solution Moving to Node #0,1,3 Current State: 74:[37, 45], Operations: ['92/2=46', '46-1=45'] Exploring Operation: 37*45=1665, Resulting Numbers: [1665] 1665,74 unequal: No Solution Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,74 unequal: No Solution Exploring Operation: 37+45=82, Resulting Numbers: [82] 82,74 unequal: No Solution Moving to Node #0,1,2 Current State: 74:[46, 37], Operations: ['92/2=46', '37*1=37'] Exploring Operation: 46+37=83, Resulting Numbers: [83] 83,74 unequal: No Solution Exploring Operation: 46*37=1702, Resulting Numbers: [1702] 1702,74 unequal: No Solution Exploring Operation: 46-37=9, Resulting Numbers: [9] 9,74 unequal: No Solution Moving to Node #0,1,0 Current State: 74:[46, 37], Operations: ['92/2=46', '37/1=37'] Exploring Operation: 46-37=9, Resulting Numbers: [9] 9,74 unequal: No Solution Exploring Operation: 46+37=83, Resulting Numbers: [83] 83,74 unequal: No Solution Exploring Operation: 46*37=1702, Resulting Numbers: [1702] 1702,74 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 #0,0 Current State: 74:[37, 1, 90], Operations: ['92-2=90'] Exploring Operation: 1*90=90, Resulting Numbers: [37, 90] Generated Node #0,0,0: 74:[37, 90] Operation: 1*90=90 Exploring Operation: 37/1=37, Resulting Numbers: [90, 37] Generated Node #0,0,1: 74:[90, 37] Operation: 37/1=37 Exploring Operation: 90-1=89, Resulting Numbers: [37, 89] Generated Node #0,0,2: 74:[37, 89] Operation: 90-1=89 Exploring Operation: 37*1=37, Resulting Numbers: [90, 37] Generated Node #0,0,3: 74:[90, 37] Operation: 37*1=37 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 74:[37, 89], Operations: ['92-2=90', '90-1=89'] Exploring Operation: 89-37=52, Resulting Numbers: [52] 52,74 unequal: No Solution Exploring Operation: 37+89=126, Resulting Numbers: [126] 126,74 unequal: No Solution Exploring Operation: 37*89=3293, Resulting Numbers: [3293] 3293,74 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:[37, 90], Operations: ['92-2=90', '1*90=90'] Exploring Operation: 37*90=3330, Resulting Numbers: [3330] 3330,74 unequal: No Solution Exploring Operation: 90-37=53, Resulting Numbers: [53] 53,74 unequal: No Solution Exploring Operation: 37+90=127, Resulting Numbers: [127] 127,74 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:[90, 37], Operations: ['92-2=90', '37/1=37'] Exploring Operation: 90+37=127, Resulting Numbers: [127] 127,74 unequal: No Solution Exploring Operation: 90-37=53, Resulting Numbers: [53] 53,74 unequal: No Solution Exploring Operation: 90*37=3330, Resulting Numbers: [3330] 3330,74 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 #0,0,3 Current State: 74:[90, 37], Operations: ['92-2=90', '37*1=37'] Exploring Operation: 90-37=53, Resulting Numbers: [53] 53,74 unequal: No Solution Exploring Operation: 90*37=3330, Resulting Numbers: [3330] 3330,74 unequal: No Solution Exploring Operation: 90+37=127, Resulting Numbers: [127] 127,74 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 #0,3 Current State: 74:[2, 37, 91], Operations: ['92-1=91'] Exploring Operation: 2*37=74, Resulting Numbers: [91, 74] Generated Node #0,3,0: 74:[91, 74] Operation: 2*37=74 Exploring Operation: 91-2=89, Resulting Numbers: [37, 89] Generated Node #0,3,1: 74:[37, 89] Operation: 91-2=89 Exploring Operation: 91-37=54, Resulting Numbers: [2, 54] Generated Node #0,3,2: 74:[2, 54] Operation: 91-37=54 Exploring Operation: 2+37=39, Resulting Numbers: [91, 39] Generated Node #0,3,3: 74:[91, 39] Operation: 2+37=39 Moving to Node #0,3,1 Current State: 74:[37, 89], Operations: ['92-1=91', '91-2=89'] Exploring Operation: 89-37=52, Resulting Numbers: [52] 52,74 unequal: No Solution Exploring Operation: 37*89=3293, Resulting Numbers: [3293] 3293,74 unequal: No Solution Exploring Operation: 37+89=126, Resulting Numbers: [126] 126,74 unequal: No Solution Moving to Node #0,3,2 Current State: 74:[2, 54], Operations: ['92-1=91', '91-37=54'] Exploring Operation: 2*54=108, Resulting Numbers: [108] 108,74 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,74 unequal: No Solution Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,74 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,74 unequal: No Solution Moving to Node #0,3,0 Current State: 74:[91, 74], Operations: ['92-1=91', '2*37=74'] Exploring Operation: 91*74=6734, Resulting Numbers: [6734] 6734,74 unequal: No Solution Exploring Operation: 91-74=17, Resulting Numbers: [17] 17,74 unequal: No Solution Exploring Operation: 91+74=165, Resulting Numbers: [165] 165,74 unequal: No Solution Moving to Node #0,3,3 Current State: 74:[91, 39], Operations: ['92-1=91', '2+37=39'] Exploring Operation: 91-39=52, Resulting Numbers: [52] 52,74 unequal: No Solution Exploring Operation: 91*39=3549, Resulting Numbers: [3549] 3549,74 unequal: No Solution Exploring Operation: 91+39=130, Resulting Numbers: [130] 130,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 74:[37, 92, 2], Operations: ['2*1=2'] Exploring Operation: 92-2=90, Resulting Numbers: [37, 90] Generated Node #0,2,0: 74:[37, 90] Operation: 92-2=90 Exploring Operation: 92/2=46, Resulting Numbers: [37, 46] Generated Node #0,2,1: 74:[37, 46] Operation: 92/2=46 Exploring Operation: 37*2=74, Resulting Numbers: [92, 74] Generated Node #0,2,2: 74:[92, 74] Operation: 37*2=74 Exploring Operation: 92-37=55, Resulting Numbers: [2, 55] Generated Node #0,2,3: 74:[2, 55] Operation: 92-37=55 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 74:[37, 46], Operations: ['2*1=2', '92/2=46'] Exploring Operation: 46-37=9, Resulting Numbers: [9] 9,74 unequal: No Solution Exploring Operation: 37+46=83, Resulting Numbers: [83] 83,74 unequal: No Solution Exploring Operation: 37*46=1702, Resulting Numbers: [1702] 1702,74 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 #0,2,0 Current State: 74:[37, 90], Operations: ['2*1=2', '92-2=90'] Exploring Operation: 37+90=127, Resulting Numbers: [127] 127,74 unequal: No Solution Exploring Operation: 37*90=3330, Resulting Numbers: [3330] 3330,74 unequal: No Solution Exploring Operation: 90-37=53, Resulting Numbers: [53] 53,74 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 #0,2,2 Current State: 74:[92, 74], Operations: ['2*1=2', '37*2=74'] Exploring Operation: 92+74=166, Resulting Numbers: [166] 166,74 unequal: No Solution Exploring Operation: 92-74=18, Resulting Numbers: [18] 18,74 unequal: No Solution Exploring Operation: 92*74=6808, Resulting Numbers: [6808] 6808,74 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 #0,2,3 Current State: 74:[2, 55], Operations: ['2*1=2', '92-37=55'] Exploring Operation: 2+55=57, Resulting Numbers: [57] 57,74 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,74 unequal: No Solution Exploring Operation: 2*55=110, Resulting Numbers: [110] 110,74 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_4
mult_heuristic
[ 98, 36, 98, 24 ]
49
[ "98*36=3528", "3528/24=147", "147-98=49" ]
Current State: 49:[98, 36, 98, 24], Operations: [] Exploring Operation: 98*36=3528, Resulting Numbers: [24, 3528] Generated Node #2: [24, 3528] from Operation: 98*36=3528 Current State: 49:[24, 3528], Operations: ['98*36=3528'] Exploring Operation: 3528/24=147, Resulting Numbers: [147] 147,49 equal: Goal Reached Exploring Operation: 147-98=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[98, 36, 98, 24], Operations: [] Exploring Operation: 98/98=1, Resulting Numbers: [36, 24, 1] Generated Node #0,0: 49:[36, 24, 1] Operation: 98/98=1 Exploring Operation: 98-36=62, Resulting Numbers: [98, 24, 62] Generated Node #0,1: 49:[98, 24, 62] Operation: 98-36=62 Exploring Operation: 98-36=62, Resulting Numbers: [98, 24, 62] Generated Node #0,2: 49:[98, 24, 62] Operation: 98-36=62 Exploring Operation: 98-24=74, Resulting Numbers: [36, 98, 74] Generated Node #0,3: 49:[36, 98, 74] Operation: 98-24=74 Exploring Operation: 98-98=0, Resulting Numbers: [36, 24, 0] Generated Node #0,4: 49:[36, 24, 0] Operation: 98-98=0 Moving to Node #0,0 Current State: 49:[36, 24, 1], Operations: ['98/98=1'] Exploring Operation: 36+24=60, Resulting Numbers: [1, 60] Generated Node #0,0,0: 49:[1, 60] Operation: 36+24=60 Exploring Operation: 36+1=37, Resulting Numbers: [24, 37] Generated Node #0,0,1: 49:[24, 37] Operation: 36+1=37 Exploring Operation: 36-24=12, Resulting Numbers: [1, 12] Generated Node #0,0,2: 49:[1, 12] Operation: 36-24=12 Exploring Operation: 36*1=36, Resulting Numbers: [24, 36] Generated Node #0,0,3: 49:[24, 36] Operation: 36*1=36 Exploring Operation: 24-1=23, Resulting Numbers: [36, 23] Generated Node #0,0,4: 49:[36, 23] Operation: 24-1=23 Moving to Node #0,4 Current State: 49:[36, 24, 0], Operations: ['98-98=0'] Exploring Operation: 36+24=60, Resulting Numbers: [0, 60] Generated Node #0,4,0: 49:[0, 60] Operation: 36+24=60 Exploring Operation: 36+0=36, Resulting Numbers: [24, 36] Generated Node #0,4,1: 49:[24, 36] Operation: 36+0=36 Exploring Operation: 24*0=0, Resulting Numbers: [36, 0] Generated Node #0,4,2: 49:[36, 0] Operation: 24*0=0 Exploring Operation: 36*0=0, Resulting Numbers: [24, 0] Generated Node #0,4,3: 49:[24, 0] Operation: 36*0=0 Exploring Operation: 36-24=12, Resulting Numbers: [0, 12] Generated Node #0,4,4: 49:[0, 12] Operation: 36-24=12 Moving to Node #0,1 Current State: 49:[98, 24, 62], Operations: ['98-36=62'] Exploring Operation: 62-24=38, Resulting Numbers: [98, 38] Generated Node #0,1,0: 49:[98, 38] Operation: 62-24=38 Exploring Operation: 98+24=122, Resulting Numbers: [62, 122] Generated Node #0,1,1: 49:[62, 122] Operation: 98+24=122 Exploring Operation: 24+62=86, Resulting Numbers: [98, 86] Generated Node #0,1,2: 49:[98, 86] Operation: 24+62=86 Exploring Operation: 98-62=36, Resulting Numbers: [24, 36] Generated Node #0,1,3: 49:[24, 36] Operation: 98-62=36 Exploring Operation: 98-24=74, Resulting Numbers: [62, 74] Generated Node #0,1,4: 49:[62, 74] Operation: 98-24=74 Moving to Node #0,2 Current State: 49:[98, 24, 62], Operations: ['98-36=62'] Exploring Operation: 98-24=74, Resulting Numbers: [62, 74] Generated Node #0,2,0: 49:[62, 74] Operation: 98-24=74 Exploring Operation: 98+24=122, Resulting Numbers: [62, 122] Generated Node #0,2,1: 49:[62, 122] Operation: 98+24=122 Exploring Operation: 24+62=86, Resulting Numbers: [98, 86] Generated Node #0,2,2: 49:[98, 86] Operation: 24+62=86 Exploring Operation: 98-62=36, Resulting Numbers: [24, 36] Generated Node #0,2,3: 49:[24, 36] Operation: 98-62=36 Exploring Operation: 62-24=38, Resulting Numbers: [98, 38] Generated Node #0,2,4: 49:[98, 38] Operation: 62-24=38 Moving to Node #0,3 Current State: 49:[36, 98, 74], Operations: ['98-24=74'] Exploring Operation: 98-74=24, Resulting Numbers: [36, 24] Generated Node #0,3,0: 49:[36, 24] Operation: 98-74=24 Exploring Operation: 74-36=38, Resulting Numbers: [98, 38] Generated Node #0,3,1: 49:[98, 38] Operation: 74-36=38 Exploring Operation: 98-36=62, Resulting Numbers: [74, 62] Generated Node #0,3,2: 49:[74, 62] Operation: 98-36=62 Exploring Operation: 36+74=110, Resulting Numbers: [98, 110] Generated Node #0,3,3: 49:[98, 110] Operation: 36+74=110 Exploring Operation: 36+98=134, Resulting Numbers: [74, 134] Generated Node #0,3,4: 49:[74, 134] Operation: 36+98=134 Moving to Node #0,0,2 Current State: 49:[1, 12], Operations: ['98/98=1', '36-24=12'] Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,49 unequal: No Solution Exploring Operation: 1*12=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,49 unequal: No Solution Moving to Node #0,4,4 Current State: 49:[0, 12], Operations: ['98-98=0', '36-24=12'] Exploring Operation: 0*12=0, Resulting Numbers: [0] 0,49 unequal: No Solution Exploring Operation: 12-0=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 0+12=12, Resulting Numbers: [12] 12,49 unequal: No Solution Moving to Node #0,0,0 Current State: 49:[1, 60], Operations: ['98/98=1', '36+24=60'] Exploring Operation: 1*60=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 1+60=61, Resulting Numbers: [61] 61,49 unequal: No Solution Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,49 unequal: No Solution Moving to Node #0,4,0 Current State: 49:[0, 60], Operations: ['98-98=0', '36+24=60'] Exploring Operation: 60-0=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 0+60=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 0*60=0, Resulting Numbers: [0] 0,49 unequal: No Solution Moving to Node #0,4,2 Current State: 49:[36, 0], Operations: ['98-98=0', '24*0=0'] Exploring Operation: 36*0=0, Resulting Numbers: [0] 0,49 unequal: No Solution Exploring Operation: 36-0=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 36+0=36, Resulting Numbers: [36] 36,49 unequal: No Solution Moving to Node #0,4,3 Current State: 49:[24, 0], Operations: ['98-98=0', '36*0=0'] Exploring Operation: 24-0=24, Resulting Numbers: [24] 24,49 unequal: No Solution Exploring Operation: 24*0=0, Resulting Numbers: [0] 0,49 unequal: No Solution Exploring Operation: 24+0=24, Resulting Numbers: [24] 24,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[24, 37], Operations: ['98/98=1', '36+1=37'] Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,49 unequal: No Solution Exploring Operation: 24+37=61, Resulting Numbers: [61] 61,49 unequal: No Solution Exploring Operation: 24*37=888, Resulting Numbers: [888] 888,49 unequal: No Solution Moving to Node #0,0,4 Current State: 49:[36, 23], Operations: ['98/98=1', '24-1=23'] Exploring Operation: 36*23=828, Resulting Numbers: [828] 828,49 unequal: No Solution Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,49 unequal: No Solution Exploring Operation: 36+23=59, Resulting Numbers: [59] 59,49 unequal: No Solution Moving to Node #0,0,3 Current State: 49:[24, 36], Operations: ['98/98=1', '36*1=36'] Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 24*36=864, Resulting Numbers: [864] 864,49 unequal: No Solution Moving to Node #0,1,3 Current State: 49:[24, 36], Operations: ['98-36=62', '98-62=36'] Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 24*36=864, Resulting Numbers: [864] 864,49 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,49 unequal: No Solution Moving to Node #0,4,1 Current State: 49:[24, 36], Operations: ['98-98=0', '36+0=36'] Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 24*36=864, Resulting Numbers: [864] 864,49 unequal: No Solution Moving to Node #0,2,3 Current State: 49:[24, 36], Operations: ['98-36=62', '98-62=36'] Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 24*36=864, Resulting Numbers: [864] 864,49 unequal: No Solution Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,49 unequal: No Solution Moving to Node #0,3,0 Current State: 49:[36, 24], Operations: ['98-24=74', '98-74=24'] Exploring Operation: 36*24=864, Resulting Numbers: [864] 864,49 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 36+24=60, Resulting Numbers: [60] 60,49 unequal: No Solution Moving to Node #0,1,4 Current State: 49:[62, 74], Operations: ['98-36=62', '98-24=74'] Exploring Operation: 62*74=4588, Resulting Numbers: [4588] 4588,49 unequal: No Solution Exploring Operation: 62+74=136, Resulting Numbers: [136] 136,49 unequal: No Solution Exploring Operation: 74-62=12, Resulting Numbers: [12] 12,49 unequal: No Solution Moving to Node #0,2,0 Current State: 49:[62, 74], Operations: ['98-36=62', '98-24=74'] Exploring Operation: 62*74=4588, Resulting Numbers: [4588] 4588,49 unequal: No Solution Exploring Operation: 62+74=136, Resulting Numbers: [136] 136,49 unequal: No Solution Exploring Operation: 74-62=12, Resulting Numbers: [12] 12,49 unequal: No Solution Moving to Node #0,3,2 Current State: 49:[74, 62], Operations: ['98-24=74', '98-36=62'] Exploring Operation: 74+62=136, Resulting Numbers: [136] 136,49 unequal: No Solution Exploring Operation: 74-62=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 74*62=4588, Resulting Numbers: [4588] 4588,49 unequal: No Solution Moving to Node #0,1,0 Current State: 49:[98, 38], Operations: ['98-36=62', '62-24=38'] Exploring Operation: 98*38=3724, Resulting Numbers: [3724] 3724,49 unequal: No Solution Exploring Operation: 98+38=136, Resulting Numbers: [136] 136,49 unequal: No Solution Exploring Operation: 98-38=60, Resulting Numbers: [60] 60,49 unequal: No Solution Moving to Node #0,3,1 Current State: 49:[98, 38], Operations: ['98-24=74', '74-36=38'] Exploring Operation: 98*38=3724, Resulting Numbers: [3724] 3724,49 unequal: No Solution Exploring Operation: 98-38=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 98+38=136, Resulting Numbers: [136] 136,49 unequal: No Solution Moving to Node #0,2,4 Current State: 49:[98, 38], Operations: ['98-36=62', '62-24=38'] Exploring Operation: 98+38=136, Resulting Numbers: [136] 136,49 unequal: No Solution Exploring Operation: 98*38=3724, Resulting Numbers: [3724] 3724,49 unequal: No Solution Exploring Operation: 98-38=60, Resulting Numbers: [60] 60,49 unequal: No Solution Moving to Node #0,1,2 Current State: 49:[98, 86], Operations: ['98-36=62', '24+62=86'] Exploring Operation: 98+86=184, Resulting Numbers: [184] 184,49 unequal: No Solution Exploring Operation: 98-86=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 98*86=8428, Resulting Numbers: [8428] 8428,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[62, 122], Operations: ['98-36=62', '98+24=122'] Exploring Operation: 62*122=7564, Resulting Numbers: [7564] 7564,49 unequal: No Solution Exploring Operation: 62+122=184, Resulting Numbers: [184] 184,49 unequal: No Solution Exploring Operation: 122-62=60, Resulting Numbers: [60] 60,49 unequal: No Solution Moving to Node #0,2,1 Current State: 49:[62, 122], Operations: ['98-36=62', '98+24=122'] Exploring Operation: 62*122=7564, Resulting Numbers: [7564] 7564,49 unequal: No Solution Exploring Operation: 122-62=60, Resulting Numbers: [60] 60,49 unequal: No Solution Exploring Operation: 62+122=184, Resulting Numbers: [184] 184,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[98, 86], Operations: ['98-36=62', '24+62=86'] Exploring Operation: 98+86=184, Resulting Numbers: [184] 184,49 unequal: No Solution Exploring Operation: 98-86=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 98*86=8428, Resulting Numbers: [8428] 8428,49 unequal: No Solution Moving to Node #0,3,4 Current State: 49:[74, 134], Operations: ['98-24=74', '36+98=134'] Exploring Operation: 74+134=208, Resulting Numbers: [208] 208,49 unequal: No Solution Exploring Operation: 74*134=9916, Resulting Numbers: [9916] 9916,49 unequal: No Solution Exploring Operation: 134-74=60, Resulting Numbers: [60] 60,49 unequal: No Solution Moving to Node #0,3,3 Current State: 49:[98, 110], Operations: ['98-24=74', '36+74=110'] Exploring Operation: 98+110=208, Resulting Numbers: [208] 208,49 unequal: No Solution Exploring Operation: 110-98=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 98*110=10780, Resulting Numbers: [10780] 10780,49 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 95, 92, 26, 61 ]
38
[ "95-92=3", "61-26=35", "3+35=38" ]
Current State: 38:[95, 92, 26, 61], Operations: [] Exploring Operation: 95-92=3, Resulting Numbers: [26, 61, 3] Generated Node #2: [26, 61, 3] from Operation: 95-92=3 Current State: 38:[26, 61, 3], Operations: ['95-92=3'] Exploring Operation: 61-26=35, Resulting Numbers: [3, 35] Generated Node #3: [3, 35] from Operation: 61-26=35 Current State: 38:[3, 35], Operations: ['95-92=3', '61-26=35'] Exploring Operation: 3+35=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[95, 92, 26, 61], Operations: [] Exploring Operation: 92-26=66, Resulting Numbers: [95, 61, 66] Generated Node #0,0: 38:[95, 61, 66] Operation: 92-26=66 Exploring Operation: 95-92=3, Resulting Numbers: [26, 61, 3] Generated Node #0,1: 38:[26, 61, 3] Operation: 95-92=3 Exploring Operation: 95-26=69, Resulting Numbers: [92, 61, 69] Generated Node #0,2: 38:[92, 61, 69] Operation: 95-26=69 Exploring Operation: 92-61=31, Resulting Numbers: [95, 26, 31] Generated Node #0,3: 38:[95, 26, 31] Operation: 92-61=31 Exploring Operation: 95-61=34, Resulting Numbers: [92, 26, 34] Generated Node #0,4: 38:[92, 26, 34] Operation: 95-61=34 Moving to Node #0,1 Current State: 38:[26, 61, 3], Operations: ['95-92=3'] Exploring Operation: 61-3=58, Resulting Numbers: [26, 58] Generated Node #0,1,0: 38:[26, 58] Operation: 61-3=58 Exploring Operation: 26+3=29, Resulting Numbers: [61, 29] Generated Node #0,1,1: 38:[61, 29] Operation: 26+3=29 Exploring Operation: 26-3=23, Resulting Numbers: [61, 23] Generated Node #0,1,2: 38:[61, 23] Operation: 26-3=23 Exploring Operation: 61-26=35, Resulting Numbers: [3, 35] Generated Node #0,1,3: 38:[3, 35] Operation: 61-26=35 Exploring Operation: 61+3=64, Resulting Numbers: [26, 64] Generated Node #0,1,4: 38:[26, 64] Operation: 61+3=64 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 38:[3, 35], Operations: ['95-92=3', '61-26=35'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 3*35=105, Resulting Numbers: [105] 105,38 unequal: No Solution Exploring Operation: 3+35=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[95, 92, 26, 61], Operations: [] Exploring Operation: 95-92=3, Resulting Numbers: [26, 61, 3] Generated Node #0,1: 38:[26, 61, 3] Operation: 95-92=3 Moving to Node #0,1 Current State: 38:[26, 61, 3], Operations: ['95-92=3'] Exploring Operation: 61-26=35, Resulting Numbers: [3, 35] Generated Node #0,1,3: 38:[3, 35] Operation: 61-26=35 Moving to Node #0,1,3 Current State: 38:[3, 35], Operations: ['95-92=3', '61-26=35'] Exploring Operation: 3+35=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 9, 77, 3, 6 ]
84
[ "9+77=86", "6/3=2", "86-2=84" ]
Current State: 84:[9, 77, 3, 6], Operations: [] Exploring Operation: 9+77=86, Resulting Numbers: [3, 6, 86] Generated Node #2: [3, 6, 86] from Operation: 9+77=86 Current State: 84:[3, 6, 86], Operations: ['9+77=86'] Exploring Operation: 6/3=2, Resulting Numbers: [86, 2] Generated Node #3: [86, 2] from Operation: 6/3=2 Current State: 84:[86, 2], Operations: ['9+77=86', '6/3=2'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[9, 77, 3, 6], Operations: [] Exploring Operation: 77+6=83, Resulting Numbers: [9, 3, 83] Generated Node #0,0: 84:[9, 3, 83] Operation: 77+6=83 Exploring Operation: 9+77=86, Resulting Numbers: [3, 6, 86] Generated Node #0,1: 84:[3, 6, 86] Operation: 9+77=86 Moving to Node #0,1 Current State: 84:[3, 6, 86], Operations: ['9+77=86'] Exploring Operation: 86-3=83, Resulting Numbers: [6, 83] Generated Node #0,1,0: 84:[6, 83] Operation: 86-3=83 Exploring Operation: 6-3=3, Resulting Numbers: [86, 3] Generated Node #0,1,1: 84:[86, 3] Operation: 6-3=3 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 84:[6, 83], Operations: ['9+77=86', '86-3=83'] Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,84 unequal: No Solution Exploring Operation: 6+83=89, Resulting Numbers: [89] 89,84 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 #0,1,1 Current State: 84:[86, 3], Operations: ['9+77=86', '6-3=3'] Exploring Operation: 86-3=83, Resulting Numbers: [83] 83,84 unequal: No Solution Exploring Operation: 86+3=89, Resulting Numbers: [89] 89,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 84:[9, 3, 83], Operations: ['77+6=83'] Exploring Operation: 9+3=12, Resulting Numbers: [83, 12] Generated Node #0,0,0: 84:[83, 12] Operation: 9+3=12 Exploring Operation: 9-3=6, Resulting Numbers: [83, 6] Generated Node #0,0,1: 84:[83, 6] Operation: 9-3=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[83, 12], Operations: ['77+6=83', '9+3=12'] Exploring Operation: 83+12=95, Resulting Numbers: [95] 95,84 unequal: No Solution Exploring Operation: 83-12=71, Resulting Numbers: [71] 71,84 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:[83, 6], Operations: ['77+6=83', '9-3=6'] Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,84 unequal: No Solution Exploring Operation: 83+6=89, Resulting Numbers: [89] 89,84 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
[ 13, 79, 54, 88 ]
19
[ "88-79=9", "54/9=6", "13+6=19" ]
Current State: 19:[13, 79, 54, 88], Operations: [] Exploring Operation: 88-79=9, Resulting Numbers: [13, 54, 9] Generated Node #2: [13, 54, 9] from Operation: 88-79=9 Current State: 19:[13, 54, 9], Operations: ['88-79=9'] Exploring Operation: 54/9=6, Resulting Numbers: [13, 6] Generated Node #3: [13, 6] from Operation: 54/9=6 Current State: 19:[13, 6], Operations: ['88-79=9', '54/9=6'] Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[13, 79, 54, 88], Operations: [] Exploring Operation: 88-79=9, Resulting Numbers: [13, 54, 9] Generated Node #0,0: 19:[13, 54, 9] Operation: 88-79=9 Exploring Operation: 79-54=25, Resulting Numbers: [13, 88, 25] Generated Node #0,1: 19:[13, 88, 25] Operation: 79-54=25 Moving to Node #0,0 Current State: 19:[13, 54, 9], Operations: ['88-79=9'] Exploring Operation: 54-13=41, Resulting Numbers: [9, 41] Generated Node #0,0,0: 19:[9, 41] Operation: 54-13=41 Exploring Operation: 54/9=6, Resulting Numbers: [13, 6] Generated Node #0,0,1: 19:[13, 6] Operation: 54/9=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[13, 6], Operations: ['88-79=9', '54/9=6'] Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[13, 79, 54, 88], Operations: [] Exploring Operation: 88-79=9, Resulting Numbers: [13, 54, 9] Generated Node #0,0: 19:[13, 54, 9] Operation: 88-79=9 Moving to Node #0,0 Current State: 19:[13, 54, 9], Operations: ['88-79=9'] Exploring Operation: 54/9=6, Resulting Numbers: [13, 6] Generated Node #0,0,1: 19:[13, 6] Operation: 54/9=6 Moving to Node #0,0,1 Current State: 19:[13, 6], Operations: ['88-79=9', '54/9=6'] Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 88, 40, 32, 1 ]
95
[ "88+40=128", "32+1=33", "128-33=95" ]
Current State: 95:[88, 40, 32, 1], Operations: [] Exploring Operation: 88+40=128, Resulting Numbers: [32, 1, 128] Generated Node #2: [32, 1, 128] from Operation: 88+40=128 Current State: 95:[32, 1, 128], Operations: ['88+40=128'] Exploring Operation: 32+1=33, Resulting Numbers: [128, 33] Generated Node #3: [128, 33] from Operation: 32+1=33 Current State: 95:[128, 33], Operations: ['88+40=128', '32+1=33'] Exploring Operation: 128-33=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[88, 40, 32, 1], Operations: [] Exploring Operation: 88+1=89, Resulting Numbers: [40, 32, 89] Generated Node #0,0: 95:[40, 32, 89] Operation: 88+1=89 Exploring Operation: 40-32=8, Resulting Numbers: [88, 1, 8] Generated Node #0,1: 95:[88, 1, 8] Operation: 40-32=8 Exploring Operation: 40+32=72, Resulting Numbers: [88, 1, 72] Generated Node #0,2: 95:[88, 1, 72] Operation: 40+32=72 Exploring Operation: 32-1=31, Resulting Numbers: [88, 40, 31] Generated Node #0,3: 95:[88, 40, 31] Operation: 32-1=31 Exploring Operation: 40-1=39, Resulting Numbers: [88, 32, 39] Generated Node #0,4: 95:[88, 32, 39] Operation: 40-1=39 Moving to Node #0,1 Current State: 95:[88, 1, 8], Operations: ['40-32=8'] Exploring Operation: 88+8=96, Resulting Numbers: [1, 96] Generated Node #0,1,0: 95:[1, 96] Operation: 88+8=96 Exploring Operation: 88/1=88, Resulting Numbers: [8, 88] Generated Node #0,1,1: 95:[8, 88] Operation: 88/1=88 Exploring Operation: 8-1=7, Resulting Numbers: [88, 7] Generated Node #0,1,2: 95:[88, 7] Operation: 8-1=7 Exploring Operation: 88+1=89, Resulting Numbers: [8, 89] Generated Node #0,1,3: 95:[8, 89] Operation: 88+1=89 Exploring Operation: 88*1=88, Resulting Numbers: [8, 88] Generated Node #0,1,4: 95:[8, 88] Operation: 88*1=88 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 95:[1, 96], Operations: ['40-32=8', '88+8=96'] Exploring Operation: 1+96=97, Resulting Numbers: [97] 97,95 unequal: No Solution Exploring Operation: 1*96=96, Resulting Numbers: [96] 96,95 unequal: No Solution Exploring Operation: 96/1=96, Resulting Numbers: [96] 96,95 unequal: No Solution Exploring Operation: 96-1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[88, 40, 32, 1], Operations: [] Exploring Operation: 40-32=8, Resulting Numbers: [88, 1, 8] Generated Node #0,1: 95:[88, 1, 8] Operation: 40-32=8 Moving to Node #0,1 Current State: 95:[88, 1, 8], Operations: ['40-32=8'] Exploring Operation: 88+8=96, Resulting Numbers: [1, 96] Generated Node #0,1,0: 95:[1, 96] Operation: 88+8=96 Moving to Node #0,1,0 Current State: 95:[1, 96], Operations: ['40-32=8', '88+8=96'] Exploring Operation: 96-1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 41, 22, 28, 17 ]
82
[ "41*22=902", "28-17=11", "902/11=82" ]
Current State: 82:[41, 22, 28, 17], Operations: [] Exploring Operation: 41*22=902, Resulting Numbers: [28, 17, 902] Generated Node #2: [28, 17, 902] from Operation: 41*22=902 Current State: 82:[28, 17, 902], Operations: ['41*22=902'] Exploring Operation: 28-17=11, Resulting Numbers: [902, 11] Generated Node #3: [902, 11] from Operation: 28-17=11 Current State: 82:[902, 11], Operations: ['41*22=902', '28-17=11'] Exploring Operation: 902/11=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[41, 22, 28, 17], Operations: [] Exploring Operation: 28-22=6, Resulting Numbers: [41, 17, 6] Generated Node #0,0: 82:[41, 17, 6] Operation: 28-22=6 Exploring Operation: 22+28=50, Resulting Numbers: [41, 17, 50] Generated Node #0,1: 82:[41, 17, 50] Operation: 22+28=50 Exploring Operation: 28+17=45, Resulting Numbers: [41, 22, 45] Generated Node #0,2: 82:[41, 22, 45] Operation: 28+17=45 Exploring Operation: 22-17=5, Resulting Numbers: [41, 28, 5] Generated Node #0,3: 82:[41, 28, 5] Operation: 22-17=5 Exploring Operation: 22+17=39, Resulting Numbers: [41, 28, 39] Generated Node #0,4: 82:[41, 28, 39] Operation: 22+17=39 Start Sub Search at level 1: Moving to Node #0,4 Current State: 82:[41, 28, 39], Operations: ['22+17=39'] Exploring Operation: 41+28=69, Resulting Numbers: [39, 69] Generated Node #0,4,0: 82:[39, 69] Operation: 41+28=69 Exploring Operation: 41-39=2, Resulting Numbers: [28, 2] Generated Node #0,4,1: 82:[28, 2] Operation: 41-39=2 Exploring Operation: 41-28=13, Resulting Numbers: [39, 13] Generated Node #0,4,2: 82:[39, 13] Operation: 41-28=13 Exploring Operation: 41+39=80, Resulting Numbers: [28, 80] Generated Node #0,4,3: 82:[28, 80] Operation: 41+39=80 Exploring Operation: 39-28=11, Resulting Numbers: [41, 11] Generated Node #0,4,4: 82:[41, 11] Operation: 39-28=11 Moving to Node #0,4,4 Current State: 82:[41, 11], Operations: ['22+17=39', '39-28=11'] Exploring Operation: 41*11=451, Resulting Numbers: [451] 451,82 unequal: No Solution Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,82 unequal: No Solution Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,82 unequal: No Solution Moving to Node #0,4,2 Current State: 82:[39, 13], Operations: ['22+17=39', '41-28=13'] Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,82 unequal: No Solution Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,82 unequal: No Solution Exploring Operation: 39*13=507, Resulting Numbers: [507] 507,82 unequal: No Solution Exploring Operation: 39+13=52, Resulting Numbers: [52] 52,82 unequal: No Solution Moving to Node #0,4,1 Current State: 82:[28, 2], Operations: ['22+17=39', '41-39=2'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,82 unequal: No Solution Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,82 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,82 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,82 unequal: No Solution Moving to Node #0,4,0 Current State: 82:[39, 69], Operations: ['22+17=39', '41+28=69'] Exploring Operation: 39+69=108, Resulting Numbers: [108] 108,82 unequal: No Solution Exploring Operation: 69-39=30, Resulting Numbers: [30] 30,82 unequal: No Solution Exploring Operation: 39*69=2691, Resulting Numbers: [2691] 2691,82 unequal: No Solution Moving to Node #0,4,3 Current State: 82:[28, 80], Operations: ['22+17=39', '41+39=80'] Exploring Operation: 28*80=2240, Resulting Numbers: [2240] 2240,82 unequal: No Solution Exploring Operation: 80-28=52, Resulting Numbers: [52] 52,82 unequal: No Solution Exploring Operation: 28+80=108, Resulting Numbers: [108] 108,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 82:[41, 28, 5], Operations: ['22-17=5'] Exploring Operation: 41-5=36, Resulting Numbers: [28, 36] Generated Node #0,3,0: 82:[28, 36] Operation: 41-5=36 Exploring Operation: 28+5=33, Resulting Numbers: [41, 33] Generated Node #0,3,1: 82:[41, 33] Operation: 28+5=33 Exploring Operation: 41-28=13, Resulting Numbers: [5, 13] Generated Node #0,3,2: 82:[5, 13] Operation: 41-28=13 Exploring Operation: 41+28=69, Resulting Numbers: [5, 69] Generated Node #0,3,3: 82:[5, 69] Operation: 41+28=69 Exploring Operation: 41+5=46, Resulting Numbers: [28, 46] Generated Node #0,3,4: 82:[28, 46] Operation: 41+5=46 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 82:[41, 33], Operations: ['22-17=5', '28+5=33'] Exploring Operation: 41*33=1353, Resulting Numbers: [1353] 1353,82 unequal: No Solution Exploring Operation: 41+33=74, Resulting Numbers: [74] 74,82 unequal: No Solution Exploring Operation: 41-33=8, Resulting Numbers: [8] 8,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 82:[5, 13], Operations: ['22-17=5', '41-28=13'] Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,82 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 82:[5, 69], Operations: ['22-17=5', '41+28=69'] Exploring Operation: 5*69=345, Resulting Numbers: [345] 345,82 unequal: No Solution Exploring Operation: 69-5=64, Resulting Numbers: [64] 64,82 unequal: No Solution Exploring Operation: 5+69=74, Resulting Numbers: [74] 74,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 82:[28, 36], Operations: ['22-17=5', '41-5=36'] Exploring Operation: 28+36=64, Resulting Numbers: [64] 64,82 unequal: No Solution Exploring Operation: 36-28=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 28*36=1008, Resulting Numbers: [1008] 1008,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 82:[28, 46], Operations: ['22-17=5', '41+5=46'] Exploring Operation: 28*46=1288, Resulting Numbers: [1288] 1288,82 unequal: No Solution Exploring Operation: 46-28=18, Resulting Numbers: [18] 18,82 unequal: No Solution Exploring Operation: 28+46=74, Resulting Numbers: [74] 74,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[41, 17, 6], Operations: ['28-22=6'] Exploring Operation: 41-17=24, Resulting Numbers: [6, 24] Generated Node #0,0,0: 82:[6, 24] Operation: 41-17=24 Exploring Operation: 17*6=102, Resulting Numbers: [41, 102] Generated Node #0,0,1: 82:[41, 102] Operation: 17*6=102 Exploring Operation: 41+17=58, Resulting Numbers: [6, 58] Generated Node #0,0,2: 82:[6, 58] Operation: 41+17=58 Exploring Operation: 17-6=11, Resulting Numbers: [41, 11] Generated Node #0,0,3: 82:[41, 11] Operation: 17-6=11 Exploring Operation: 17+6=23, Resulting Numbers: [41, 23] Generated Node #0,0,4: 82:[41, 23] Operation: 17+6=23 Moving to Node #0,0,3 Current State: 82:[41, 11], Operations: ['28-22=6', '17-6=11'] Exploring Operation: 41*11=451, Resulting Numbers: [451] 451,82 unequal: No Solution Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,82 unequal: No Solution Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,82 unequal: No Solution Moving to Node #0,0,4 Current State: 82:[41, 23], Operations: ['28-22=6', '17+6=23'] Exploring Operation: 41+23=64, Resulting Numbers: [64] 64,82 unequal: No Solution Exploring Operation: 41*23=943, Resulting Numbers: [943] 943,82 unequal: No Solution Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,82 unequal: No Solution Moving to Node #0,0,1 Current State: 82:[41, 102], Operations: ['28-22=6', '17*6=102'] Exploring Operation: 102-41=61, Resulting Numbers: [61] 61,82 unequal: No Solution Exploring Operation: 41*102=4182, Resulting Numbers: [4182] 4182,82 unequal: No Solution Exploring Operation: 41+102=143, Resulting Numbers: [143] 143,82 unequal: No Solution Moving to Node #0,0,0 Current State: 82:[6, 24], Operations: ['28-22=6', '41-17=24'] Exploring Operation: 6+24=30, Resulting Numbers: [30] 30,82 unequal: No Solution Exploring Operation: 6*24=144, Resulting Numbers: [144] 144,82 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,82 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,82 unequal: No Solution Moving to Node #0,0,2 Current State: 82:[6, 58], Operations: ['28-22=6', '41+17=58'] Exploring Operation: 6*58=348, Resulting Numbers: [348] 348,82 unequal: No Solution Exploring Operation: 6+58=64, Resulting Numbers: [64] 64,82 unequal: No Solution Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[41, 22, 45], Operations: ['28+17=45'] Exploring Operation: 45-41=4, Resulting Numbers: [22, 4] Generated Node #0,2,0: 82:[22, 4] Operation: 45-41=4 Exploring Operation: 41+22=63, Resulting Numbers: [45, 63] Generated Node #0,2,1: 82:[45, 63] Operation: 41+22=63 Exploring Operation: 45-22=23, Resulting Numbers: [41, 23] Generated Node #0,2,2: 82:[41, 23] Operation: 45-22=23 Exploring Operation: 41-22=19, Resulting Numbers: [45, 19] Generated Node #0,2,3: 82:[45, 19] Operation: 41-22=19 Exploring Operation: 22+45=67, Resulting Numbers: [41, 67] Generated Node #0,2,4: 82:[41, 67] Operation: 22+45=67 Moving to Node #0,2,4 Current State: 82:[41, 67], Operations: ['28+17=45', '22+45=67'] Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,82 unequal: No Solution Exploring Operation: 41*67=2747, Resulting Numbers: [2747] 2747,82 unequal: No Solution Exploring Operation: 41+67=108, Resulting Numbers: [108] 108,82 unequal: No Solution Moving to Node #0,2,2 Current State: 82:[41, 23], Operations: ['28+17=45', '45-22=23'] Exploring Operation: 41+23=64, Resulting Numbers: [64] 64,82 unequal: No Solution Exploring Operation: 41*23=943, Resulting Numbers: [943] 943,82 unequal: No Solution Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,82 unequal: No Solution Moving to Node #0,2,0 Current State: 82:[22, 4], Operations: ['28+17=45', '45-41=4'] Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,82 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,82 unequal: No Solution Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,82 unequal: No Solution Moving to Node #0,2,3 Current State: 82:[45, 19], Operations: ['28+17=45', '41-22=19'] Exploring Operation: 45+19=64, Resulting Numbers: [64] 64,82 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,82 unequal: No Solution Exploring Operation: 45*19=855, Resulting Numbers: [855] 855,82 unequal: No Solution Moving to Node #0,2,1 Current State: 82:[45, 63], Operations: ['28+17=45', '41+22=63'] Exploring Operation: 45*63=2835, Resulting Numbers: [2835] 2835,82 unequal: No Solution Exploring Operation: 45+63=108, Resulting Numbers: [108] 108,82 unequal: No Solution Exploring Operation: 63-45=18, Resulting Numbers: [18] 18,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[41, 17, 50], Operations: ['22+28=50'] Exploring Operation: 50-17=33, Resulting Numbers: [41, 33] Generated Node #0,1,0: 82:[41, 33] Operation: 50-17=33 Exploring Operation: 41+50=91, Resulting Numbers: [17, 91] Generated Node #0,1,1: 82:[17, 91] Operation: 41+50=91 Exploring Operation: 41+17=58, Resulting Numbers: [50, 58] Generated Node #0,1,2: 82:[50, 58] Operation: 41+17=58 Exploring Operation: 50-41=9, Resulting Numbers: [17, 9] Generated Node #0,1,3: 82:[17, 9] Operation: 50-41=9 Exploring Operation: 17+50=67, Resulting Numbers: [41, 67] Generated Node #0,1,4: 82:[41, 67] Operation: 17+50=67 Moving to Node #0,1,0 Current State: 82:[41, 33], Operations: ['22+28=50', '50-17=33'] Exploring Operation: 41*33=1353, Resulting Numbers: [1353] 1353,82 unequal: No Solution Exploring Operation: 41-33=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 41+33=74, Resulting Numbers: [74] 74,82 unequal: No Solution Moving to Node #0,1,4 Current State: 82:[41, 67], Operations: ['22+28=50', '17+50=67'] Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,82 unequal: No Solution Exploring Operation: 41*67=2747, Resulting Numbers: [2747] 2747,82 unequal: No Solution Exploring Operation: 41+67=108, Resulting Numbers: [108] 108,82 unequal: No Solution Moving to Node #0,1,3 Current State: 82:[17, 9], Operations: ['22+28=50', '50-41=9'] Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,82 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,82 unequal: No Solution Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[17, 91], Operations: ['22+28=50', '41+50=91'] Exploring Operation: 91-17=74, Resulting Numbers: [74] 74,82 unequal: No Solution Exploring Operation: 17+91=108, Resulting Numbers: [108] 108,82 unequal: No Solution Exploring Operation: 17*91=1547, Resulting Numbers: [1547] 1547,82 unequal: No Solution Moving to Node #0,1,2 Current State: 82:[50, 58], Operations: ['22+28=50', '41+17=58'] Exploring Operation: 50+58=108, Resulting Numbers: [108] 108,82 unequal: No Solution Exploring Operation: 50*58=2900, Resulting Numbers: [2900] 2900,82 unequal: No Solution Exploring Operation: 58-50=8, Resulting Numbers: [8] 8,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 80, 61, 33, 84 ]
32
[ "80-61=19", "84-33=51", "51-19=32" ]
Current State: 32:[80, 61, 33, 84], Operations: [] Exploring Operation: 80-61=19, Resulting Numbers: [33, 84, 19] Generated Node #2: [33, 84, 19] from Operation: 80-61=19 Current State: 32:[33, 84, 19], Operations: ['80-61=19'] Exploring Operation: 84-33=51, Resulting Numbers: [19, 51] Generated Node #3: [19, 51] from Operation: 84-33=51 Current State: 32:[19, 51], Operations: ['80-61=19', '84-33=51'] Exploring Operation: 51-19=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[80, 61, 33, 84], Operations: [] Exploring Operation: 84-80=4, Resulting Numbers: [61, 33, 4] Generated Node #0,0: 32:[61, 33, 4] Operation: 84-80=4 Exploring Operation: 80-33=47, Resulting Numbers: [61, 84, 47] Generated Node #0,1: 32:[61, 84, 47] Operation: 80-33=47 Exploring Operation: 84-61=23, Resulting Numbers: [80, 33, 23] Generated Node #0,2: 32:[80, 33, 23] Operation: 84-61=23 Exploring Operation: 80-61=19, Resulting Numbers: [33, 84, 19] Generated Node #0,3: 32:[33, 84, 19] Operation: 80-61=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[61, 33, 4], Operations: ['84-80=4'] Exploring Operation: 61-33=28, Resulting Numbers: [4, 28] Generated Node #0,0,0: 32:[4, 28] Operation: 61-33=28 Exploring Operation: 33-4=29, Resulting Numbers: [61, 29] Generated Node #0,0,1: 32:[61, 29] Operation: 33-4=29 Exploring Operation: 61-4=57, Resulting Numbers: [33, 57] Generated Node #0,0,2: 32:[33, 57] Operation: 61-4=57 Exploring Operation: 61+4=65, Resulting Numbers: [33, 65] Generated Node #0,0,3: 32:[33, 65] Operation: 61+4=65 Moving to Node #0,0,0 Current State: 32:[4, 28], Operations: ['84-80=4', '61-33=28'] Exploring Operation: 4*28=112, Resulting Numbers: [112] 112,32 unequal: No Solution Exploring Operation: 4+28=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[80, 61, 33, 84], Operations: [] Exploring Operation: 84-80=4, Resulting Numbers: [61, 33, 4] Generated Node #0,0: 32:[61, 33, 4] Operation: 84-80=4 Moving to Node #0,0 Current State: 32:[61, 33, 4], Operations: ['84-80=4'] Exploring Operation: 61-33=28, Resulting Numbers: [4, 28] Generated Node #0,0,0: 32:[4, 28] Operation: 61-33=28 Moving to Node #0,0,0 Current State: 32:[4, 28], Operations: ['84-80=4', '61-33=28'] Exploring Operation: 4+28=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 64, 44, 22, 86 ]
33
[ "64*44=2816", "22+2816=2838", "2838/86=33" ]
Current State: 33:[64, 44, 22, 86], Operations: [] Exploring Operation: 64*44=2816, Resulting Numbers: [22, 86, 2816] Generated Node #2: [22, 86, 2816] from Operation: 64*44=2816 Current State: 33:[22, 86, 2816], Operations: ['64*44=2816'] Exploring Operation: 22+2816=2838, Resulting Numbers: [86, 2838] Generated Node #3: [86, 2838] from Operation: 22+2816=2838 Current State: 33:[86, 2838], Operations: ['64*44=2816', '22+2816=2838'] Exploring Operation: 2838/86=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[64, 44, 22, 86], Operations: [] Exploring Operation: 86-44=42, Resulting Numbers: [64, 22, 42] Generated Node #0,0: 33:[64, 22, 42] Operation: 86-44=42 Exploring Operation: 64-22=42, Resulting Numbers: [44, 86, 42] Generated Node #0,1: 33:[44, 86, 42] Operation: 64-22=42 Exploring Operation: 64-44=20, Resulting Numbers: [22, 86, 20] Generated Node #0,2: 33:[22, 86, 20] Operation: 64-44=20 Exploring Operation: 86-64=22, Resulting Numbers: [44, 22, 22] Generated Node #0,3: 33:[44, 22, 22] Operation: 86-64=22 Moving to Node #0,3 Current State: 33:[44, 22, 22], Operations: ['86-64=22'] Exploring Operation: 44/22=2, Resulting Numbers: [22, 2] Generated Node #0,3,0: 33:[22, 2] Operation: 44/22=2 Exploring Operation: 22/22=1, Resulting Numbers: [44, 1] Generated Node #0,3,1: 33:[44, 1] Operation: 22/22=1 Exploring Operation: 22-22=0, Resulting Numbers: [44, 0] Generated Node #0,3,2: 33:[44, 0] Operation: 22-22=0 Exploring Operation: 44/22=2, Resulting Numbers: [22, 2] Generated Node #0,3,3: 33:[22, 2] Operation: 44/22=2 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 33:[22, 2], Operations: ['86-64=22', '44/22=2'] Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,33 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 33:[22, 2], Operations: ['86-64=22', '44/22=2'] Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,33 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,33 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 33:[44, 1], Operations: ['86-64=22', '22/22=1'] Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 44*1=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,33 unequal: No Solution Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 33:[44, 0], Operations: ['86-64=22', '22-22=0'] Exploring Operation: 44-0=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 44*0=0, Resulting Numbers: [0] 0,33 unequal: No Solution Exploring Operation: 44+0=44, Resulting Numbers: [44] 44,33 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: 33:[64, 22, 42], Operations: ['86-44=42'] Exploring Operation: 64-42=22, Resulting Numbers: [22, 22] Generated Node #0,0,0: 33:[22, 22] Operation: 64-42=22 Exploring Operation: 42-22=20, Resulting Numbers: [64, 20] Generated Node #0,0,1: 33:[64, 20] Operation: 42-22=20 Exploring Operation: 64-22=42, Resulting Numbers: [42, 42] Generated Node #0,0,2: 33:[42, 42] Operation: 64-22=42 Exploring Operation: 64+22=86, Resulting Numbers: [42, 86] Generated Node #0,0,3: 33:[42, 86] Operation: 64+22=86 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 33:[42, 42], Operations: ['86-44=42', '64-22=42'] Exploring Operation: 42+42=84, Resulting Numbers: [84] 84,33 unequal: No Solution Exploring Operation: 42/42=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 42-42=0, Resulting Numbers: [0] 0,33 unequal: No Solution Exploring Operation: 42*42=1764, Resulting Numbers: [1764] 1764,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[22, 22], Operations: ['86-44=42', '64-42=22'] Exploring Operation: 22*22=484, Resulting Numbers: [484] 484,33 unequal: No Solution Exploring Operation: 22/22=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 22+22=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 22-22=0, Resulting Numbers: [0] 0,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 33:[64, 20], Operations: ['86-44=42', '42-22=20'] Exploring Operation: 64+20=84, Resulting Numbers: [84] 84,33 unequal: No Solution Exploring Operation: 64*20=1280, Resulting Numbers: [1280] 1280,33 unequal: No Solution Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 33:[42, 86], Operations: ['86-44=42', '64+22=86'] Exploring Operation: 86-42=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 42*86=3612, Resulting Numbers: [3612] 3612,33 unequal: No Solution Exploring Operation: 42+86=128, Resulting Numbers: [128] 128,33 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: 33:[22, 86, 20], Operations: ['64-44=20'] Exploring Operation: 86-20=66, Resulting Numbers: [22, 66] Generated Node #0,2,0: 33:[22, 66] Operation: 86-20=66 Exploring Operation: 22+20=42, Resulting Numbers: [86, 42] Generated Node #0,2,1: 33:[86, 42] Operation: 22+20=42 Exploring Operation: 22-20=2, Resulting Numbers: [86, 2] Generated Node #0,2,2: 33:[86, 2] Operation: 22-20=2 Exploring Operation: 86-22=64, Resulting Numbers: [20, 64] Generated Node #0,2,3: 33:[20, 64] Operation: 86-22=64 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 33:[20, 64], Operations: ['64-44=20', '86-22=64'] Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 20+64=84, Resulting Numbers: [84] 84,33 unequal: No Solution Exploring Operation: 20*64=1280, Resulting Numbers: [1280] 1280,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 33:[22, 66], Operations: ['64-44=20', '86-20=66'] Exploring Operation: 66/22=3, Resulting Numbers: [3] 3,33 unequal: No Solution Exploring Operation: 22+66=88, Resulting Numbers: [88] 88,33 unequal: No Solution Exploring Operation: 66-22=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 22*66=1452, Resulting Numbers: [1452] 1452,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 33:[86, 2], Operations: ['64-44=20', '22-20=2'] Exploring Operation: 86*2=172, Resulting Numbers: [172] 172,33 unequal: No Solution Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,33 unequal: No Solution Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 33:[86, 42], Operations: ['64-44=20', '22+20=42'] Exploring Operation: 86-42=44, Resulting Numbers: [44] 44,33 unequal: No Solution Exploring Operation: 86*42=3612, Resulting Numbers: [3612] 3612,33 unequal: No Solution Exploring Operation: 86+42=128, Resulting Numbers: [128] 128,33 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: 33:[44, 86, 42], Operations: ['64-22=42'] Exploring Operation: 44+86=130, Resulting Numbers: [42, 130] Generated Node #0,1,0: 33:[42, 130] Operation: 44+86=130 Exploring Operation: 44-42=2, Resulting Numbers: [86, 2] Generated Node #0,1,1: 33:[86, 2] Operation: 44-42=2 Exploring Operation: 86-44=42, Resulting Numbers: [42, 42] Generated Node #0,1,2: 33:[42, 42] Operation: 86-44=42 Exploring Operation: 86-42=44, Resulting Numbers: [44, 44] Generated Node #0,1,3: 33:[44, 44] Operation: 86-42=44 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 33:[42, 42], Operations: ['64-22=42', '86-44=42'] Exploring Operation: 42/42=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 42*42=1764, Resulting Numbers: [1764] 1764,33 unequal: No Solution Exploring Operation: 42+42=84, Resulting Numbers: [84] 84,33 unequal: No Solution Exploring Operation: 42-42=0, Resulting Numbers: [0] 0,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 33:[44, 44], Operations: ['64-22=42', '86-42=44'] Exploring Operation: 44*44=1936, Resulting Numbers: [1936] 1936,33 unequal: No Solution Exploring Operation: 44+44=88, Resulting Numbers: [88] 88,33 unequal: No Solution Exploring Operation: 44/44=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 44-44=0, Resulting Numbers: [0] 0,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 33:[86, 2], Operations: ['64-22=42', '44-42=2'] Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 86*2=172, Resulting Numbers: [172] 172,33 unequal: No Solution Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,33 unequal: No Solution Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 33:[42, 130], Operations: ['64-22=42', '44+86=130'] Exploring Operation: 42+130=172, Resulting Numbers: [172] 172,33 unequal: No Solution Exploring Operation: 130-42=88, Resulting Numbers: [88] 88,33 unequal: No Solution Exploring Operation: 42*130=5460, Resulting Numbers: [5460] 5460,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 28, 17, 1, 68 ]
79
[ "28-17=11", "1*68=68", "11+68=79" ]
Current State: 79:[28, 17, 1, 68], Operations: [] Exploring Operation: 28-17=11, Resulting Numbers: [1, 68, 11] Generated Node #2: [1, 68, 11] from Operation: 28-17=11 Current State: 79:[1, 68, 11], Operations: ['28-17=11'] Exploring Operation: 1*68=68, Resulting Numbers: [11, 68] Generated Node #3: [11, 68] from Operation: 1*68=68 Current State: 79:[11, 68], Operations: ['28-17=11', '1*68=68'] Exploring Operation: 11+68=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[28, 17, 1, 68], Operations: [] Exploring Operation: 28+1=29, Resulting Numbers: [17, 68, 29] Generated Node #0,0: 79:[17, 68, 29] Operation: 28+1=29 Exploring Operation: 28+17=45, Resulting Numbers: [1, 68, 45] Generated Node #0,1: 79:[1, 68, 45] Operation: 28+17=45 Moving to Node #0,0 Current State: 79:[17, 68, 29], Operations: ['28+1=29'] Exploring Operation: 17+29=46, Resulting Numbers: [68, 46] Generated Node #0,0,0: 79:[68, 46] Operation: 17+29=46 Exploring Operation: 17+68=85, Resulting Numbers: [29, 85] Generated Node #0,0,1: 79:[29, 85] Operation: 17+68=85 Moving to Node #0,1 Current State: 79:[1, 68, 45], Operations: ['28+17=45'] Exploring Operation: 1+45=46, Resulting Numbers: [68, 46] Generated Node #0,1,0: 79:[68, 46] Operation: 1+45=46 Exploring Operation: 1+68=69, Resulting Numbers: [45, 69] Generated Node #0,1,1: 79:[45, 69] Operation: 1+68=69 Moving to Node #0,0,0 Current State: 79:[68, 46], Operations: ['28+1=29', '17+29=46'] Exploring Operation: 68-46=22, Resulting Numbers: [22] 22,79 unequal: No Solution Exploring Operation: 68+46=114, Resulting Numbers: [114] 114,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[68, 46], Operations: ['28+17=45', '1+45=46'] Exploring Operation: 68-46=22, Resulting Numbers: [22] 22,79 unequal: No Solution Exploring Operation: 68+46=114, Resulting Numbers: [114] 114,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[45, 69], Operations: ['28+17=45', '1+68=69'] Exploring Operation: 69-45=24, Resulting Numbers: [24] 24,79 unequal: No Solution Exploring Operation: 45+69=114, Resulting Numbers: [114] 114,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[29, 85], Operations: ['28+1=29', '17+68=85'] Exploring Operation: 85-29=56, Resulting Numbers: [56] 56,79 unequal: No Solution Exploring Operation: 29+85=114, Resulting Numbers: [114] 114,79 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 22, 35, 13, 54 ]
28
[ "35-22=13", "54-13=41", "41-13=28" ]
Current State: 28:[22, 35, 13, 54], Operations: [] Exploring Operation: 35-22=13, Resulting Numbers: [13, 54, 13] Generated Node #2: [13, 54, 13] from Operation: 35-22=13 Current State: 28:[13, 54, 13], Operations: ['35-22=13'] Exploring Operation: 54-13=41, Resulting Numbers: [41] 41,28 equal: Goal Reached Exploring Operation: 41-13=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[22, 35, 13, 54], Operations: [] Exploring Operation: 54-13=41, Resulting Numbers: [22, 35, 41] Generated Node #0,0: 28:[22, 35, 41] Operation: 54-13=41 Exploring Operation: 54-22=32, Resulting Numbers: [35, 13, 32] Generated Node #0,1: 28:[35, 13, 32] Operation: 54-22=32 Exploring Operation: 54-35=19, Resulting Numbers: [22, 13, 19] Generated Node #0,2: 28:[22, 13, 19] Operation: 54-35=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[35, 13, 32], Operations: ['54-22=32'] Exploring Operation: 35-13=22, Resulting Numbers: [32, 22] Generated Node #0,1,0: 28:[32, 22] Operation: 35-13=22 Exploring Operation: 32-13=19, Resulting Numbers: [35, 19] Generated Node #0,1,1: 28:[35, 19] Operation: 32-13=19 Exploring Operation: 35-32=3, Resulting Numbers: [13, 3] Generated Node #0,1,2: 28:[13, 3] Operation: 35-32=3 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 28:[13, 3], Operations: ['54-22=32', '35-32=3'] Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,28 unequal: No Solution Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,28 unequal: No Solution No 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: 28:[32, 22], Operations: ['54-22=32', '35-13=22'] Exploring Operation: 32+22=54, Resulting Numbers: [54] 54,28 unequal: No Solution Exploring Operation: 32-22=10, Resulting Numbers: [10] 10,28 unequal: No Solution Exploring Operation: 32*22=704, Resulting Numbers: [704] 704,28 unequal: No Solution No 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: 28:[35, 19], Operations: ['54-22=32', '32-13=19'] Exploring Operation: 35+19=54, Resulting Numbers: [54] 54,28 unequal: No Solution Exploring Operation: 35*19=665, Resulting Numbers: [665] 665,28 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[22, 13, 19], Operations: ['54-35=19'] Exploring Operation: 22-13=9, Resulting Numbers: [19, 9] Generated Node #0,2,0: 28:[19, 9] Operation: 22-13=9 Exploring Operation: 22-19=3, Resulting Numbers: [13, 3] Generated Node #0,2,1: 28:[13, 3] Operation: 22-19=3 Exploring Operation: 19-13=6, Resulting Numbers: [22, 6] Generated Node #0,2,2: 28:[22, 6] Operation: 19-13=6 Moving to Node #0,2,1 Current State: 28:[13, 3], Operations: ['54-35=19', '22-19=3'] Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,28 unequal: No Solution Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,28 unequal: No Solution Moving to Node #0,2,0 Current State: 28:[19, 9], Operations: ['54-35=19', '22-13=9'] Exploring Operation: 19*9=171, Resulting Numbers: [171] 171,28 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,28 unequal: No Solution Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[22, 35, 13, 54], Operations: [] Exploring Operation: 54-35=19, Resulting Numbers: [22, 13, 19] Generated Node #0,2: 28:[22, 13, 19] Operation: 54-35=19 Moving to Node #0,2 Current State: 28:[22, 13, 19], Operations: ['54-35=19'] Exploring Operation: 22-13=9, Resulting Numbers: [19, 9] Generated Node #0,2,0: 28:[19, 9] Operation: 22-13=9 Moving to Node #0,2,0 Current State: 28:[19, 9], Operations: ['54-35=19', '22-13=9'] Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
sum_heuristic
[ 48, 2, 96, 60 ]
72
[ "96-48=48", "2*60=120", "120-48=72" ]
Current State: 72:[48, 2, 96, 60], Operations: [] Exploring Operation: 96-48=48, Resulting Numbers: [2, 60, 48] Generated Node #2: [2, 60, 48] from Operation: 96-48=48 Current State: 72:[2, 60, 48], Operations: ['96-48=48'] Exploring Operation: 2*60=120, Resulting Numbers: [48, 120] Generated Node #3: [48, 120] from Operation: 2*60=120 Current State: 72:[48, 120], Operations: ['96-48=48', '2*60=120'] Exploring Operation: 120-48=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[48, 2, 96, 60], Operations: [] Exploring Operation: 96/48=2, Resulting Numbers: [2, 60, 2] Generated Node #0,0: 72:[2, 60, 2] Operation: 96/48=2 Exploring Operation: 96-48=48, Resulting Numbers: [2, 60, 48] Generated Node #0,1: 72:[2, 60, 48] Operation: 96-48=48 Exploring Operation: 96-60=36, Resulting Numbers: [48, 2, 36] Generated Node #0,2: 72:[48, 2, 36] Operation: 96-60=36 Moving to Node #0,0 Current State: 72:[2, 60, 2], Operations: ['96/48=2'] Exploring Operation: 60/2=30, Resulting Numbers: [2, 30] Generated Node #0,0,0: 72:[2, 30] Operation: 60/2=30 Exploring Operation: 2+60=62, Resulting Numbers: [2, 62] Generated Node #0,0,1: 72:[2, 62] Operation: 2+60=62 Exploring Operation: 60/2=30, Resulting Numbers: [2, 30] Generated Node #0,0,2: 72:[2, 30] Operation: 60/2=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[2, 30], Operations: ['96/48=2', '60/2=30'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,72 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,72 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 72:[2, 30], Operations: ['96/48=2', '60/2=30'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,72 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,72 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 72:[2, 62], Operations: ['96/48=2', '2+60=62'] Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,72 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,72 unequal: No Solution Exploring Operation: 2+62=64, Resulting Numbers: [64] 64,72 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:[48, 2, 36], Operations: ['96-60=36'] Exploring Operation: 48-2=46, Resulting Numbers: [36, 46] Generated Node #0,2,0: 72:[36, 46] Operation: 48-2=46 Exploring Operation: 48/2=24, Resulting Numbers: [36, 24] Generated Node #0,2,1: 72:[36, 24] Operation: 48/2=24 Exploring Operation: 48-36=12, Resulting Numbers: [2, 12] Generated Node #0,2,2: 72:[2, 12] Operation: 48-36=12 Moving to Node #0,1 Current State: 72:[2, 60, 48], Operations: ['96-48=48'] Exploring Operation: 60/2=30, Resulting Numbers: [48, 30] Generated Node #0,1,0: 72:[48, 30] Operation: 60/2=30 Exploring Operation: 60-48=12, Resulting Numbers: [2, 12] Generated Node #0,1,1: 72:[2, 12] Operation: 60-48=12 Exploring Operation: 48/2=24, Resulting Numbers: [60, 24] Generated Node #0,1,2: 72:[60, 24] Operation: 48/2=24 Moving to Node #0,2,1 Current State: 72:[36, 24], Operations: ['96-60=36', '48/2=24'] Exploring Operation: 36*24=864, Resulting Numbers: [864] 864,72 unequal: No Solution Exploring Operation: 36+24=60, Resulting Numbers: [60] 60,72 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,72 unequal: No Solution Moving to Node #0,2,2 Current State: 72:[2, 12], Operations: ['96-60=36', '48-36=12'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,72 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[2, 12], Operations: ['96-48=48', '60-48=12'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,72 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,72 unequal: No Solution Moving to Node #0,2,0 Current State: 72:[36, 46], Operations: ['96-60=36', '48-2=46'] Exploring Operation: 46-36=10, Resulting Numbers: [10] 10,72 unequal: No Solution Exploring Operation: 36+46=82, Resulting Numbers: [82] 82,72 unequal: No Solution Exploring Operation: 36*46=1656, Resulting Numbers: [1656] 1656,72 unequal: No Solution Moving to Node #0,1,2 Current State: 72:[60, 24], Operations: ['96-48=48', '48/2=24'] Exploring Operation: 60+24=84, Resulting Numbers: [84] 84,72 unequal: No Solution Exploring Operation: 60-24=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 60*24=1440, Resulting Numbers: [1440] 1440,72 unequal: No Solution Moving to Node #0,1,0 Current State: 72:[48, 30], Operations: ['96-48=48', '60/2=30'] Exploring Operation: 48*30=1440, Resulting Numbers: [1440] 1440,72 unequal: No Solution Exploring Operation: 48+30=78, Resulting Numbers: [78] 78,72 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,72 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 6, 97, 31, 15 ]
75
[ "97-6=91", "31-15=16", "91-16=75" ]
Current State: 75:[6, 97, 31, 15], Operations: [] Exploring Operation: 97-6=91, Resulting Numbers: [31, 15, 91] Generated Node #2: [31, 15, 91] from Operation: 97-6=91 Current State: 75:[31, 15, 91], Operations: ['97-6=91'] Exploring Operation: 31-15=16, Resulting Numbers: [91, 16] Generated Node #3: [91, 16] from Operation: 31-15=16 Current State: 75:[91, 16], Operations: ['97-6=91', '31-15=16'] Exploring Operation: 91-16=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[6, 97, 31, 15], Operations: [] Exploring Operation: 97-15=82, Resulting Numbers: [6, 31, 82] Generated Node #0,0: 75:[6, 31, 82] Operation: 97-15=82 Exploring Operation: 97-31=66, Resulting Numbers: [6, 15, 66] Generated Node #0,1: 75:[6, 15, 66] Operation: 97-31=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[6, 15, 66], Operations: ['97-31=66'] Exploring Operation: 6+66=72, Resulting Numbers: [15, 72] Generated Node #0,1,0: 75:[15, 72] Operation: 6+66=72 Exploring Operation: 66/6=11, Resulting Numbers: [15, 11] Generated Node #0,1,1: 75:[15, 11] Operation: 66/6=11 Moving to Node #0,1,0 Current State: 75:[15, 72], Operations: ['97-31=66', '6+66=72'] Exploring Operation: 72-15=57, Resulting Numbers: [57] 57,75 unequal: No Solution Exploring Operation: 15+72=87, Resulting Numbers: [87] 87,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[15, 11], Operations: ['97-31=66', '66/6=11'] Exploring Operation: 15+11=26, Resulting Numbers: [26] 26,75 unequal: No Solution Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[6, 31, 82], Operations: ['97-15=82'] Exploring Operation: 31-6=25, Resulting Numbers: [82, 25] Generated Node #0,0,0: 75:[82, 25] Operation: 31-6=25 Exploring Operation: 82-6=76, Resulting Numbers: [31, 76] Generated Node #0,0,1: 75:[31, 76] Operation: 82-6=76 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[82, 25], Operations: ['97-15=82', '31-6=25'] Exploring Operation: 82+25=107, Resulting Numbers: [107] 107,75 unequal: No Solution Exploring Operation: 82-25=57, Resulting Numbers: [57] 57,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 75:[31, 76], Operations: ['97-15=82', '82-6=76'] Exploring Operation: 31+76=107, Resulting Numbers: [107] 107,75 unequal: No Solution Exploring Operation: 76-31=45, Resulting Numbers: [45] 45,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 88, 83, 82, 28 ]
59
[ "88-83=5", "82-28=54", "5+54=59" ]
Current State: 59:[88, 83, 82, 28], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [82, 28, 5] Generated Node #2: [82, 28, 5] from Operation: 88-83=5 Current State: 59:[82, 28, 5], Operations: ['88-83=5'] Exploring Operation: 82-28=54, Resulting Numbers: [5, 54] Generated Node #3: [5, 54] from Operation: 82-28=54 Current State: 59:[5, 54], Operations: ['88-83=5', '82-28=54'] Exploring Operation: 5+54=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[88, 83, 82, 28], Operations: [] Exploring Operation: 82-28=54, Resulting Numbers: [88, 83, 54] Generated Node #0,0: 59:[88, 83, 54] Operation: 82-28=54 Exploring Operation: 88-28=60, Resulting Numbers: [83, 82, 60] Generated Node #0,1: 59:[83, 82, 60] Operation: 88-28=60 Exploring Operation: 83-28=55, Resulting Numbers: [88, 82, 55] Generated Node #0,2: 59:[88, 82, 55] Operation: 83-28=55 Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[83, 82, 60], Operations: ['88-28=60'] Exploring Operation: 83-82=1, Resulting Numbers: [60, 1] Generated Node #0,1,0: 59:[60, 1] Operation: 83-82=1 Exploring Operation: 83-60=23, Resulting Numbers: [82, 23] Generated Node #0,1,1: 59:[82, 23] Operation: 83-60=23 Exploring Operation: 82-60=22, Resulting Numbers: [83, 22] Generated Node #0,1,2: 59:[83, 22] Operation: 82-60=22 Moving to Node #0,1,0 Current State: 59:[60, 1], Operations: ['88-28=60', '83-82=1'] Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[88, 83, 82, 28], Operations: [] Exploring Operation: 88-28=60, Resulting Numbers: [83, 82, 60] Generated Node #0,1: 59:[83, 82, 60] Operation: 88-28=60 Moving to Node #0,1 Current State: 59:[83, 82, 60], Operations: ['88-28=60'] Exploring Operation: 83-82=1, Resulting Numbers: [60, 1] Generated Node #0,1,0: 59:[60, 1] Operation: 83-82=1 Moving to Node #0,1,0 Current State: 59:[60, 1], Operations: ['88-28=60', '83-82=1'] Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 19, 47, 75, 61 ]
59
[ "19+75=94", "94/47=2", "61-2=59" ]
Current State: 59:[19, 47, 75, 61], Operations: [] Exploring Operation: 19+75=94, Resulting Numbers: [47, 61, 94] Generated Node #2: [47, 61, 94] from Operation: 19+75=94 Current State: 59:[47, 61, 94], Operations: ['19+75=94'] Exploring Operation: 94/47=2, Resulting Numbers: [61, 2] Generated Node #3: [61, 2] from Operation: 94/47=2 Current State: 59:[61, 2], Operations: ['19+75=94', '94/47=2'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[19, 47, 75, 61], Operations: [] Exploring Operation: 19+47=66, Resulting Numbers: [75, 61, 66] Generated Node #0,0: 59:[75, 61, 66] Operation: 19+47=66 Exploring Operation: 61-19=42, Resulting Numbers: [47, 75, 42] Generated Node #0,1: 59:[47, 75, 42] Operation: 61-19=42 Exploring Operation: 75-19=56, Resulting Numbers: [47, 61, 56] Generated Node #0,2: 59:[47, 61, 56] Operation: 75-19=56 Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[47, 61, 56], Operations: ['75-19=56'] Exploring Operation: 47+61=108, Resulting Numbers: [56, 108] Generated Node #0,2,0: 59:[56, 108] Operation: 47+61=108 Exploring Operation: 47+56=103, Resulting Numbers: [61, 103] Generated Node #0,2,1: 59:[61, 103] Operation: 47+56=103 Exploring Operation: 61-47=14, Resulting Numbers: [56, 14] Generated Node #0,2,2: 59:[56, 14] Operation: 61-47=14 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 59:[61, 103], Operations: ['75-19=56', '47+56=103'] Exploring Operation: 61+103=164, Resulting Numbers: [164] 164,59 unequal: No Solution Exploring Operation: 103-61=42, Resulting Numbers: [42] 42,59 unequal: No Solution Exploring Operation: 61*103=6283, Resulting Numbers: [6283] 6283,59 unequal: No Solution No 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: 59:[56, 14], Operations: ['75-19=56', '61-47=14'] Exploring Operation: 56/14=4, Resulting Numbers: [4] 4,59 unequal: No Solution Exploring Operation: 56-14=42, Resulting Numbers: [42] 42,59 unequal: No Solution Exploring Operation: 56+14=70, Resulting Numbers: [70] 70,59 unequal: No Solution No 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: 59:[56, 108], Operations: ['75-19=56', '47+61=108'] Exploring Operation: 56+108=164, Resulting Numbers: [164] 164,59 unequal: No Solution Exploring Operation: 108-56=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 56*108=6048, Resulting Numbers: [6048] 6048,59 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: 59:[75, 61, 66], Operations: ['19+47=66'] Exploring Operation: 75-61=14, Resulting Numbers: [66, 14] Generated Node #0,0,0: 59:[66, 14] Operation: 75-61=14 Exploring Operation: 66-61=5, Resulting Numbers: [75, 5] Generated Node #0,0,1: 59:[75, 5] Operation: 66-61=5 Exploring Operation: 75-66=9, Resulting Numbers: [61, 9] Generated Node #0,0,2: 59:[61, 9] Operation: 75-66=9 Moving to Node #0,0,0 Current State: 59:[66, 14], Operations: ['19+47=66', '75-61=14'] Exploring Operation: 66*14=924, Resulting Numbers: [924] 924,59 unequal: No Solution Exploring Operation: 66-14=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 66+14=80, Resulting Numbers: [80] 80,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[61, 9], Operations: ['19+47=66', '75-66=9'] Exploring Operation: 61+9=70, Resulting Numbers: [70] 70,59 unequal: No Solution Exploring Operation: 61-9=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 61*9=549, Resulting Numbers: [549] 549,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[75, 5], Operations: ['19+47=66', '66-61=5'] Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,59 unequal: No Solution Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,59 unequal: No Solution Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[47, 75, 42], Operations: ['61-19=42'] Exploring Operation: 75-42=33, Resulting Numbers: [47, 33] Generated Node #0,1,0: 59:[47, 33] Operation: 75-42=33 Exploring Operation: 47+42=89, Resulting Numbers: [75, 89] Generated Node #0,1,1: 59:[75, 89] Operation: 47+42=89 Exploring Operation: 75-47=28, Resulting Numbers: [42, 28] Generated Node #0,1,2: 59:[42, 28] Operation: 75-47=28 Moving to Node #0,1,0 Current State: 59:[47, 33], Operations: ['61-19=42', '75-42=33'] Exploring Operation: 47+33=80, Resulting Numbers: [80] 80,59 unequal: No Solution Exploring Operation: 47*33=1551, Resulting Numbers: [1551] 1551,59 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[75, 89], Operations: ['61-19=42', '47+42=89'] Exploring Operation: 75*89=6675, Resulting Numbers: [6675] 6675,59 unequal: No Solution Exploring Operation: 89-75=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 75+89=164, Resulting Numbers: [164] 164,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[42, 28], Operations: ['61-19=42', '75-47=28'] Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 42*28=1176, Resulting Numbers: [1176] 1176,59 unequal: No Solution Exploring Operation: 42+28=70, Resulting Numbers: [70] 70,59 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
[ 78, 1, 37, 42 ]
72
[ "78-1=77", "42-37=5", "77-5=72" ]
Current State: 72:[78, 1, 37, 42], Operations: [] Exploring Operation: 78-1=77, Resulting Numbers: [37, 42, 77] Generated Node #2: [37, 42, 77] from Operation: 78-1=77 Current State: 72:[37, 42, 77], Operations: ['78-1=77'] Exploring Operation: 42-37=5, Resulting Numbers: [77, 5] Generated Node #3: [77, 5] from Operation: 42-37=5 Current State: 72:[77, 5], Operations: ['78-1=77', '42-37=5'] Exploring Operation: 77-5=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[78, 1, 37, 42], Operations: [] Exploring Operation: 78-1=77, Resulting Numbers: [37, 42, 77] Generated Node #0,0: 72:[37, 42, 77] Operation: 78-1=77 Exploring Operation: 42-37=5, Resulting Numbers: [78, 1, 5] Generated Node #0,1: 72:[78, 1, 5] Operation: 42-37=5 Exploring Operation: 78-42=36, Resulting Numbers: [1, 37, 36] Generated Node #0,2: 72:[1, 37, 36] Operation: 78-42=36 Moving to Node #0,2 Current State: 72:[1, 37, 36], Operations: ['78-42=36'] Exploring Operation: 1*37=37, Resulting Numbers: [36, 37] Generated Node #0,2,0: 72:[36, 37] Operation: 1*37=37 Exploring Operation: 37/1=37, Resulting Numbers: [36, 37] Generated Node #0,2,1: 72:[36, 37] Operation: 37/1=37 Exploring Operation: 37-1=36, Resulting Numbers: [36, 36] Generated Node #0,2,2: 72:[36, 36] Operation: 37-1=36 Moving to Node #0,1 Current State: 72:[78, 1, 5], Operations: ['42-37=5'] Exploring Operation: 78-5=73, Resulting Numbers: [1, 73] Generated Node #0,1,0: 72:[1, 73] Operation: 78-5=73 Exploring Operation: 78-1=77, Resulting Numbers: [5, 77] Generated Node #0,1,1: 72:[5, 77] Operation: 78-1=77 Exploring Operation: 1+5=6, Resulting Numbers: [78, 6] Generated Node #0,1,2: 72:[78, 6] Operation: 1+5=6 Moving to Node #0,0 Current State: 72:[37, 42, 77], Operations: ['78-1=77'] Exploring Operation: 42-37=5, Resulting Numbers: [77, 5] Generated Node #0,0,0: 72:[77, 5] Operation: 42-37=5 Exploring Operation: 77-37=40, Resulting Numbers: [42, 40] Generated Node #0,0,1: 72:[42, 40] Operation: 77-37=40 Exploring Operation: 77-42=35, Resulting Numbers: [37, 35] Generated Node #0,0,2: 72:[37, 35] Operation: 77-42=35 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 72:[37, 35], Operations: ['78-1=77', '77-42=35'] Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 37*35=1295, Resulting Numbers: [1295] 1295,72 unequal: No Solution Exploring Operation: 37+35=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[78, 1, 37, 42], Operations: [] Exploring Operation: 78-1=77, Resulting Numbers: [37, 42, 77] Generated Node #0,0: 72:[37, 42, 77] Operation: 78-1=77 Moving to Node #0,0 Current State: 72:[37, 42, 77], Operations: ['78-1=77'] Exploring Operation: 77-42=35, Resulting Numbers: [37, 35] Generated Node #0,0,2: 72:[37, 35] Operation: 77-42=35 Moving to Node #0,0,2 Current State: 72:[37, 35], Operations: ['78-1=77', '77-42=35'] Exploring Operation: 37+35=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 43, 25, 26, 73 ]
65
[ "43-25=18", "73-26=47", "18+47=65" ]
Current State: 65:[43, 25, 26, 73], Operations: [] Exploring Operation: 43-25=18, Resulting Numbers: [26, 73, 18] Generated Node #2: [26, 73, 18] from Operation: 43-25=18 Current State: 65:[26, 73, 18], Operations: ['43-25=18'] Exploring Operation: 73-26=47, Resulting Numbers: [18, 47] Generated Node #3: [18, 47] from Operation: 73-26=47 Current State: 65:[18, 47], Operations: ['43-25=18', '73-26=47'] Exploring Operation: 18+47=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[43, 25, 26, 73], Operations: [] Exploring Operation: 43+25=68, Resulting Numbers: [26, 73, 68] Generated Node #0,0: 65:[26, 73, 68] Operation: 43+25=68 Exploring Operation: 43+26=69, Resulting Numbers: [25, 73, 69] Generated Node #0,1: 65:[25, 73, 69] Operation: 43+26=69 Exploring Operation: 43-26=17, Resulting Numbers: [25, 73, 17] Generated Node #0,2: 65:[25, 73, 17] Operation: 43-26=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[26, 73, 68], Operations: ['43+25=68'] Exploring Operation: 73-26=47, Resulting Numbers: [68, 47] Generated Node #0,0,0: 65:[68, 47] Operation: 73-26=47 Exploring Operation: 73-68=5, Resulting Numbers: [26, 5] Generated Node #0,0,1: 65:[26, 5] Operation: 73-68=5 Exploring Operation: 68-26=42, Resulting Numbers: [73, 42] Generated Node #0,0,2: 65:[73, 42] Operation: 68-26=42 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 65:[26, 5], Operations: ['43+25=68', '73-68=5'] Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,65 unequal: No Solution Exploring Operation: 26*5=130, Resulting Numbers: [130] 130,65 unequal: No Solution Exploring Operation: 26+5=31, Resulting Numbers: [31] 31,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[68, 47], Operations: ['43+25=68', '73-26=47'] Exploring Operation: 68*47=3196, Resulting Numbers: [3196] 3196,65 unequal: No Solution Exploring Operation: 68-47=21, Resulting Numbers: [21] 21,65 unequal: No Solution Exploring Operation: 68+47=115, Resulting Numbers: [115] 115,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 65:[73, 42], Operations: ['43+25=68', '68-26=42'] Exploring Operation: 73*42=3066, Resulting Numbers: [3066] 3066,65 unequal: No Solution Exploring Operation: 73-42=31, Resulting Numbers: [31] 31,65 unequal: No Solution Exploring Operation: 73+42=115, Resulting Numbers: [115] 115,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[25, 73, 69], Operations: ['43+26=69'] Exploring Operation: 73-69=4, Resulting Numbers: [25, 4] Generated Node #0,1,0: 65:[25, 4] Operation: 73-69=4 Exploring Operation: 69-25=44, Resulting Numbers: [73, 44] Generated Node #0,1,1: 65:[73, 44] Operation: 69-25=44 Exploring Operation: 73-25=48, Resulting Numbers: [69, 48] Generated Node #0,1,2: 65:[69, 48] Operation: 73-25=48 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 65:[25, 4], Operations: ['43+26=69', '73-69=4'] Exploring Operation: 25+4=29, Resulting Numbers: [29] 29,65 unequal: No Solution Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,65 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 65:[69, 48], Operations: ['43+26=69', '73-25=48'] Exploring Operation: 69-48=21, Resulting Numbers: [21] 21,65 unequal: No Solution Exploring Operation: 69+48=117, Resulting Numbers: [117] 117,65 unequal: No Solution Exploring Operation: 69*48=3312, Resulting Numbers: [3312] 3312,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 65:[73, 44], Operations: ['43+26=69', '69-25=44'] Exploring Operation: 73-44=29, Resulting Numbers: [29] 29,65 unequal: No Solution Exploring Operation: 73+44=117, Resulting Numbers: [117] 117,65 unequal: No Solution Exploring Operation: 73*44=3212, Resulting Numbers: [3212] 3212,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[25, 73, 17], Operations: ['43-26=17'] Exploring Operation: 73-17=56, Resulting Numbers: [25, 56] Generated Node #0,2,0: 65:[25, 56] Operation: 73-17=56 Exploring Operation: 73-25=48, Resulting Numbers: [17, 48] Generated Node #0,2,1: 65:[17, 48] Operation: 73-25=48 Exploring Operation: 25-17=8, Resulting Numbers: [73, 8] Generated Node #0,2,2: 65:[73, 8] Operation: 25-17=8 Moving to Node #0,2,2 Current State: 65:[73, 8], Operations: ['43-26=17', '25-17=8'] Exploring Operation: 73+8=81, Resulting Numbers: [81] 81,65 unequal: No Solution Exploring Operation: 73*8=584, Resulting Numbers: [584] 584,65 unequal: No Solution Exploring Operation: 73-8=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[43, 25, 26, 73], Operations: [] Exploring Operation: 43-26=17, Resulting Numbers: [25, 73, 17] Generated Node #0,2: 65:[25, 73, 17] Operation: 43-26=17 Moving to Node #0,2 Current State: 65:[25, 73, 17], Operations: ['43-26=17'] Exploring Operation: 25-17=8, Resulting Numbers: [73, 8] Generated Node #0,2,2: 65:[73, 8] Operation: 25-17=8 Moving to Node #0,2,2 Current State: 65:[73, 8], Operations: ['43-26=17', '25-17=8'] Exploring Operation: 73-8=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_3
sum_heuristic
[ 98, 25, 40, 6 ]
65
[ "98+6=104", "25*104=2600", "2600/40=65" ]
Current State: 65:[98, 25, 40, 6], Operations: [] Exploring Operation: 98+6=104, Resulting Numbers: [25, 40, 104] Generated Node #2: [25, 40, 104] from Operation: 98+6=104 Current State: 65:[25, 40, 104], Operations: ['98+6=104'] Exploring Operation: 25*104=2600, Resulting Numbers: [40, 2600] Generated Node #3: [40, 2600] from Operation: 25*104=2600 Current State: 65:[40, 2600], Operations: ['98+6=104', '25*104=2600'] Exploring Operation: 2600/40=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[98, 25, 40, 6], Operations: [] Exploring Operation: 98-40=58, Resulting Numbers: [25, 6, 58] Generated Node #0,0: 65:[25, 6, 58] Operation: 98-40=58 Exploring Operation: 98-25=73, Resulting Numbers: [40, 6, 73] Generated Node #0,1: 65:[40, 6, 73] Operation: 98-25=73 Moving to Node #0,0 Current State: 65:[25, 6, 58], Operations: ['98-40=58'] Exploring Operation: 25-6=19, Resulting Numbers: [58, 19] Generated Node #0,0,0: 65:[58, 19] Operation: 25-6=19 Exploring Operation: 6+58=64, Resulting Numbers: [25, 64] Generated Node #0,0,1: 65:[25, 64] Operation: 6+58=64 Moving to Node #0,1 Current State: 65:[40, 6, 73], Operations: ['98-25=73'] Exploring Operation: 73-40=33, Resulting Numbers: [6, 33] Generated Node #0,1,0: 65:[6, 33] Operation: 73-40=33 Exploring Operation: 40+6=46, Resulting Numbers: [73, 46] Generated Node #0,1,1: 65:[73, 46] Operation: 40+6=46 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[6, 33], Operations: ['98-25=73', '73-40=33'] Exploring Operation: 6+33=39, Resulting Numbers: [39] 39,65 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,65 unequal: No Solution No 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: 65:[73, 46], Operations: ['98-25=73', '40+6=46'] Exploring Operation: 73-46=27, Resulting Numbers: [27] 27,65 unequal: No Solution Exploring Operation: 73+46=119, Resulting Numbers: [119] 119,65 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: 65:[58, 19], Operations: ['98-40=58', '25-6=19'] Exploring Operation: 58+19=77, Resulting Numbers: [77] 77,65 unequal: No Solution Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[25, 64], Operations: ['98-40=58', '6+58=64'] Exploring Operation: 64-25=39, Resulting Numbers: [39] 39,65 unequal: No Solution Exploring Operation: 25+64=89, Resulting Numbers: [89] 89,65 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 61, 42, 36, 54 ]
51
[ "61*36=2196", "2196-54=2142", "2142/42=51" ]
Current State: 51:[61, 42, 36, 54], Operations: [] Exploring Operation: 61*36=2196, Resulting Numbers: [42, 54, 2196] Generated Node #2: [42, 54, 2196] from Operation: 61*36=2196 Current State: 51:[42, 54, 2196], Operations: ['61*36=2196'] Exploring Operation: 2196-54=2142, Resulting Numbers: [42, 2142] Generated Node #3: [42, 2142] from Operation: 2196-54=2142 Current State: 51:[42, 2142], Operations: ['61*36=2196', '2196-54=2142'] Exploring Operation: 2142/42=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[61, 42, 36, 54], Operations: [] Exploring Operation: 61-42=19, Resulting Numbers: [36, 54, 19] Generated Node #0,0: 51:[36, 54, 19] Operation: 61-42=19 Exploring Operation: 61-36=25, Resulting Numbers: [42, 54, 25] Generated Node #0,1: 51:[42, 54, 25] Operation: 61-36=25 Exploring Operation: 42-36=6, Resulting Numbers: [61, 54, 6] Generated Node #0,2: 51:[61, 54, 6] Operation: 42-36=6 Moving to Node #0,2 Current State: 51:[61, 54, 6], Operations: ['42-36=6'] Exploring Operation: 54-6=48, Resulting Numbers: [61, 48] Generated Node #0,2,0: 51:[61, 48] Operation: 54-6=48 Exploring Operation: 61-6=55, Resulting Numbers: [54, 55] Generated Node #0,2,1: 51:[54, 55] Operation: 61-6=55 Exploring Operation: 61-54=7, Resulting Numbers: [6, 7] Generated Node #0,2,2: 51:[6, 7] Operation: 61-54=7 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 51:[54, 55], Operations: ['42-36=6', '61-6=55'] Exploring Operation: 55-54=1, Resulting Numbers: [1] 1,51 unequal: No Solution Exploring Operation: 54+55=109, Resulting Numbers: [109] 109,51 unequal: No Solution Exploring Operation: 54*55=2970, Resulting Numbers: [2970] 2970,51 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 #0,2,2 Current State: 51:[6, 7], Operations: ['42-36=6', '61-54=7'] Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,51 unequal: No Solution Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,51 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 #0,2,0 Current State: 51:[61, 48], Operations: ['42-36=6', '54-6=48'] Exploring Operation: 61+48=109, Resulting Numbers: [109] 109,51 unequal: No Solution Exploring Operation: 61*48=2928, Resulting Numbers: [2928] 2928,51 unequal: No Solution Exploring Operation: 61-48=13, Resulting Numbers: [13] 13,51 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: 51:[36, 54, 19], Operations: ['61-42=19'] Exploring Operation: 36+19=55, Resulting Numbers: [54, 55] Generated Node #0,0,0: 51:[54, 55] Operation: 36+19=55 Exploring Operation: 54-36=18, Resulting Numbers: [19, 18] Generated Node #0,0,1: 51:[19, 18] Operation: 54-36=18 Exploring Operation: 36-19=17, Resulting Numbers: [54, 17] Generated Node #0,0,2: 51:[54, 17] Operation: 36-19=17 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 51:[19, 18], Operations: ['61-42=19', '54-36=18'] Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,51 unequal: No Solution Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,51 unequal: No Solution Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,51 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 #0,0,2 Current State: 51:[54, 17], Operations: ['61-42=19', '36-19=17'] Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,51 unequal: No Solution Exploring Operation: 54+17=71, Resulting Numbers: [71] 71,51 unequal: No Solution Exploring Operation: 54*17=918, Resulting Numbers: [918] 918,51 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:[54, 55], Operations: ['61-42=19', '36+19=55'] Exploring Operation: 55-54=1, Resulting Numbers: [1] 1,51 unequal: No Solution Exploring Operation: 54+55=109, Resulting Numbers: [109] 109,51 unequal: No Solution Exploring Operation: 54*55=2970, Resulting Numbers: [2970] 2970,51 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: 51:[42, 54, 25], Operations: ['61-36=25'] Exploring Operation: 54-42=12, Resulting Numbers: [25, 12] Generated Node #0,1,0: 51:[25, 12] Operation: 54-42=12 Exploring Operation: 42+25=67, Resulting Numbers: [54, 67] Generated Node #0,1,1: 51:[54, 67] Operation: 42+25=67 Exploring Operation: 42-25=17, Resulting Numbers: [54, 17] Generated Node #0,1,2: 51:[54, 17] Operation: 42-25=17 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 51:[54, 17], Operations: ['61-36=25', '42-25=17'] Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,51 unequal: No Solution Exploring Operation: 54+17=71, Resulting Numbers: [71] 71,51 unequal: No Solution Exploring Operation: 54*17=918, Resulting Numbers: [918] 918,51 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:[25, 12], Operations: ['61-36=25', '54-42=12'] Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 25*12=300, Resulting Numbers: [300] 300,51 unequal: No Solution Exploring Operation: 25+12=37, Resulting Numbers: [37] 37,51 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 #0,1,1 Current State: 51:[54, 67], Operations: ['61-36=25', '42+25=67'] Exploring Operation: 67-54=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 54*67=3618, Resulting Numbers: [3618] 3618,51 unequal: No Solution Exploring Operation: 54+67=121, Resulting Numbers: [121] 121,51 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
[ 75, 5, 14, 60 ]
18
[ "75/5=15", "60/15=4", "14+4=18" ]
Current State: 18:[75, 5, 14, 60], Operations: [] Exploring Operation: 75/5=15, Resulting Numbers: [14, 60, 15] Generated Node #2: [14, 60, 15] from Operation: 75/5=15 Current State: 18:[14, 60, 15], Operations: ['75/5=15'] Exploring Operation: 60/15=4, Resulting Numbers: [14, 4] Generated Node #3: [14, 4] from Operation: 60/15=4 Current State: 18:[14, 4], Operations: ['75/5=15', '60/15=4'] Exploring Operation: 14+4=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[75, 5, 14, 60], Operations: [] Exploring Operation: 75-60=15, Resulting Numbers: [5, 14, 15] Generated Node #0,0: 18:[5, 14, 15] Operation: 75-60=15 Moving to Node #0,0 Current State: 18:[5, 14, 15], Operations: ['75-60=15'] Exploring Operation: 15-14=1, Resulting Numbers: [5, 1] Generated Node #0,0,0: 18:[5, 1] Operation: 15-14=1 Moving to Node #0,0,0 Current State: 18:[5, 1], Operations: ['75-60=15', '15-14=1'] Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,18 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 86, 84, 98, 90 ]
10
[ "86-84=2", "98-90=8", "2+8=10" ]
Current State: 10:[86, 84, 98, 90], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [98, 90, 2] Generated Node #2: [98, 90, 2] from Operation: 86-84=2 Current State: 10:[98, 90, 2], Operations: ['86-84=2'] Exploring Operation: 98-90=8, Resulting Numbers: [2, 8] Generated Node #3: [2, 8] from Operation: 98-90=8 Current State: 10:[2, 8], Operations: ['86-84=2', '98-90=8'] Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[86, 84, 98, 90], Operations: [] Exploring Operation: 98-86=12, Resulting Numbers: [84, 90, 12] Generated Node #0,0: 10:[84, 90, 12] Operation: 98-86=12 Exploring Operation: 98-84=14, Resulting Numbers: [86, 90, 14] Generated Node #0,1: 10:[86, 90, 14] Operation: 98-84=14 Exploring Operation: 98-90=8, Resulting Numbers: [86, 84, 8] Generated Node #0,2: 10:[86, 84, 8] Operation: 98-90=8 Exploring Operation: 90-86=4, Resulting Numbers: [84, 98, 4] Generated Node #0,3: 10:[84, 98, 4] Operation: 90-86=4 Exploring Operation: 90-84=6, Resulting Numbers: [86, 98, 6] Generated Node #0,4: 10:[86, 98, 6] Operation: 90-84=6 Start Sub Search at level 1: Moving to Node #0,2 Current State: 10:[86, 84, 8], Operations: ['98-90=8'] Exploring Operation: 86-84=2, Resulting Numbers: [8, 2] Generated Node #0,2,0: 10:[8, 2] Operation: 86-84=2 Exploring Operation: 86-8=78, Resulting Numbers: [84, 78] Generated Node #0,2,1: 10:[84, 78] Operation: 86-8=78 Exploring Operation: 86+8=94, Resulting Numbers: [84, 94] Generated Node #0,2,2: 10:[84, 94] Operation: 86+8=94 Exploring Operation: 84+8=92, Resulting Numbers: [86, 92] Generated Node #0,2,3: 10:[86, 92] Operation: 84+8=92 Exploring Operation: 84-8=76, Resulting Numbers: [86, 76] Generated Node #0,2,4: 10:[86, 76] Operation: 84-8=76 Moving to Node #0,2,0 Current State: 10:[8, 2], Operations: ['98-90=8', '86-84=2'] Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,10 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,10 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[86, 84, 98, 90], Operations: [] Exploring Operation: 98-90=8, Resulting Numbers: [86, 84, 8] Generated Node #0,2: 10:[86, 84, 8] Operation: 98-90=8 Moving to Node #0,2 Current State: 10:[86, 84, 8], Operations: ['98-90=8'] Exploring Operation: 86-84=2, Resulting Numbers: [8, 2] Generated Node #0,2,0: 10:[8, 2] Operation: 86-84=2 Moving to Node #0,2,0 Current State: 10:[8, 2], Operations: ['98-90=8', '86-84=2'] Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 40, 11, 4, 14 ]
96
[ "40*11=440", "440/4=110", "110-14=96" ]
Current State: 96:[40, 11, 4, 14], Operations: [] Exploring Operation: 40*11=440, Resulting Numbers: [4, 14, 440] Generated Node #2: [4, 14, 440] from Operation: 40*11=440 Current State: 96:[4, 14, 440], Operations: ['40*11=440'] Exploring Operation: 440/4=110, Resulting Numbers: [14, 110] Generated Node #3: [14, 110] from Operation: 440/4=110 Current State: 96:[14, 110], Operations: ['40*11=440', '440/4=110'] Exploring Operation: 110-14=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[40, 11, 4, 14], Operations: [] Exploring Operation: 40-11=29, Resulting Numbers: [4, 14, 29] Generated Node #0,0: 96:[4, 14, 29] Operation: 40-11=29 Exploring Operation: 40-14=26, Resulting Numbers: [11, 4, 26] Generated Node #0,1: 96:[11, 4, 26] Operation: 40-14=26 Exploring Operation: 40+11=51, Resulting Numbers: [4, 14, 51] Generated Node #0,2: 96:[4, 14, 51] Operation: 40+11=51 Moving to Node #0,1 Current State: 96:[11, 4, 26], Operations: ['40-14=26'] Exploring Operation: 26-11=15, Resulting Numbers: [4, 15] Generated Node #0,1,0: 96:[4, 15] Operation: 26-11=15 Exploring Operation: 11-4=7, Resulting Numbers: [26, 7] Generated Node #0,1,1: 96:[26, 7] Operation: 11-4=7 Exploring Operation: 11+4=15, Resulting Numbers: [26, 15] Generated Node #0,1,2: 96:[26, 15] Operation: 11+4=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[4, 15], Operations: ['40-14=26', '26-11=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,96 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,96 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:[26, 7], Operations: ['40-14=26', '11-4=7'] Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,96 unequal: No Solution Exploring Operation: 26+7=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 26*7=182, Resulting Numbers: [182] 182,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 96:[26, 15], Operations: ['40-14=26', '11+4=15'] Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 26+15=41, Resulting Numbers: [41] 41,96 unequal: No Solution Exploring Operation: 26*15=390, Resulting Numbers: [390] 390,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 96:[4, 14, 29], Operations: ['40-11=29'] Exploring Operation: 29-14=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 96:[4, 15] Operation: 29-14=15 Exploring Operation: 29-4=25, Resulting Numbers: [14, 25] Generated Node #0,0,1: 96:[14, 25] Operation: 29-4=25 Exploring Operation: 4+29=33, Resulting Numbers: [14, 33] Generated Node #0,0,2: 96:[14, 33] Operation: 4+29=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[4, 15], Operations: ['40-11=29', '29-14=15'] Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,96 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,96 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,96 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:[14, 25], Operations: ['40-11=29', '29-4=25'] Exploring Operation: 14+25=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 14*25=350, Resulting Numbers: [350] 350,96 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 96:[14, 33], Operations: ['40-11=29', '4+29=33'] Exploring Operation: 14*33=462, Resulting Numbers: [462] 462,96 unequal: No Solution Exploring Operation: 33-14=19, Resulting Numbers: [19] 19,96 unequal: No Solution Exploring Operation: 14+33=47, Resulting Numbers: [47] 47,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 96:[4, 14, 51], Operations: ['40+11=51'] Exploring Operation: 14-4=10, Resulting Numbers: [51, 10] Generated Node #0,2,0: 96:[51, 10] Operation: 14-4=10 Exploring Operation: 51-4=47, Resulting Numbers: [14, 47] Generated Node #0,2,1: 96:[14, 47] Operation: 51-4=47 Exploring Operation: 4+14=18, Resulting Numbers: [51, 18] Generated Node #0,2,2: 96:[51, 18] Operation: 4+14=18 Moving to Node #0,2,1 Current State: 96:[14, 47], Operations: ['40+11=51', '51-4=47'] Exploring Operation: 14*47=658, Resulting Numbers: [658] 658,96 unequal: No Solution Exploring Operation: 47-14=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 14+47=61, Resulting Numbers: [61] 61,96 unequal: No Solution Moving to Node #0,2,0 Current State: 96:[51, 10], Operations: ['40+11=51', '14-4=10'] Exploring Operation: 51*10=510, Resulting Numbers: [510] 510,96 unequal: No Solution Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,96 unequal: No Solution Exploring Operation: 51+10=61, Resulting Numbers: [61] 61,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[51, 18], Operations: ['40+11=51', '4+14=18'] Exploring Operation: 51+18=69, Resulting Numbers: [69] 69,96 unequal: No Solution Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 51*18=918, Resulting Numbers: [918] 918,96 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 23, 21, 92, 66 ]
28
[ "23-21=2", "92-66=26", "2+26=28" ]
Current State: 28:[23, 21, 92, 66], Operations: [] Exploring Operation: 23-21=2, Resulting Numbers: [92, 66, 2] Generated Node #2: [92, 66, 2] from Operation: 23-21=2 Current State: 28:[92, 66, 2], Operations: ['23-21=2'] Exploring Operation: 92-66=26, Resulting Numbers: [2, 26] Generated Node #3: [2, 26] from Operation: 92-66=26 Current State: 28:[2, 26], Operations: ['23-21=2', '92-66=26'] Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[23, 21, 92, 66], Operations: [] Exploring Operation: 92-23=69, Resulting Numbers: [21, 66, 69] Generated Node #0,0: 28:[21, 66, 69] Operation: 92-23=69 Exploring Operation: 92/23=4, Resulting Numbers: [21, 66, 4] Generated Node #0,1: 28:[21, 66, 4] Operation: 92/23=4 Exploring Operation: 92-66=26, Resulting Numbers: [23, 21, 26] Generated Node #0,2: 28:[23, 21, 26] Operation: 92-66=26 Moving to Node #0,2 Current State: 28:[23, 21, 26], Operations: ['92-66=26'] Exploring Operation: 26-21=5, Resulting Numbers: [23, 5] Generated Node #0,2,0: 28:[23, 5] Operation: 26-21=5 Exploring Operation: 23-21=2, Resulting Numbers: [26, 2] Generated Node #0,2,1: 28:[26, 2] Operation: 23-21=2 Exploring Operation: 26-23=3, Resulting Numbers: [21, 3] Generated Node #0,2,2: 28:[21, 3] Operation: 26-23=3 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 28:[26, 2], Operations: ['92-66=26', '23-21=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,28 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,28 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[23, 21, 92, 66], Operations: [] Exploring Operation: 92-66=26, Resulting Numbers: [23, 21, 26] Generated Node #0,2: 28:[23, 21, 26] Operation: 92-66=26 Moving to Node #0,2 Current State: 28:[23, 21, 26], Operations: ['92-66=26'] Exploring Operation: 23-21=2, Resulting Numbers: [26, 2] Generated Node #0,2,1: 28:[26, 2] Operation: 23-21=2 Moving to Node #0,2,1 Current State: 28:[26, 2], Operations: ['92-66=26', '23-21=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 22, 87, 55, 11 ]
94
[ "22+55=77", "77/11=7", "87+7=94" ]
Current State: 94:[22, 87, 55, 11], Operations: [] Exploring Operation: 22+55=77, Resulting Numbers: [87, 11, 77] Generated Node #2: [87, 11, 77] from Operation: 22+55=77 Current State: 94:[87, 11, 77], Operations: ['22+55=77'] Exploring Operation: 77/11=7, Resulting Numbers: [87, 7] Generated Node #3: [87, 7] from Operation: 77/11=7 Current State: 94:[87, 7], Operations: ['22+55=77', '77/11=7'] Exploring Operation: 87+7=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[22, 87, 55, 11], Operations: [] Exploring Operation: 22+11=33, Resulting Numbers: [87, 55, 33] Generated Node #0,0: 94:[87, 55, 33] Operation: 22+11=33 Exploring Operation: 22/11=2, Resulting Numbers: [87, 55, 2] Generated Node #0,1: 94:[87, 55, 2] Operation: 22/11=2 Exploring Operation: 22-11=11, Resulting Numbers: [87, 55, 11] Generated Node #0,2: 94:[87, 55, 11] Operation: 22-11=11 Exploring Operation: 55-22=33, Resulting Numbers: [87, 11, 33] Generated Node #0,3: 94:[87, 11, 33] Operation: 55-22=33 Moving to Node #0,1 Current State: 94:[87, 55, 2], Operations: ['22/11=2'] Exploring Operation: 87-55=32, Resulting Numbers: [2, 32] Generated Node #0,1,0: 94:[2, 32] Operation: 87-55=32 Exploring Operation: 87-2=85, Resulting Numbers: [55, 85] Generated Node #0,1,1: 94:[55, 85] Operation: 87-2=85 Exploring Operation: 87+2=89, Resulting Numbers: [55, 89] Generated Node #0,1,2: 94:[55, 89] Operation: 87+2=89 Exploring Operation: 55-2=53, Resulting Numbers: [87, 53] Generated Node #0,1,3: 94:[87, 53] Operation: 55-2=53 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 94:[55, 89], Operations: ['22/11=2', '87+2=89'] Exploring Operation: 55+89=144, Resulting Numbers: [144] 144,94 unequal: No Solution Exploring Operation: 55*89=4895, Resulting Numbers: [4895] 4895,94 unequal: No Solution Exploring Operation: 89-55=34, Resulting Numbers: [34] 34,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 94:[87, 53], Operations: ['22/11=2', '55-2=53'] Exploring Operation: 87*53=4611, Resulting Numbers: [4611] 4611,94 unequal: No Solution Exploring Operation: 87-53=34, Resulting Numbers: [34] 34,94 unequal: No Solution Exploring Operation: 87+53=140, Resulting Numbers: [140] 140,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 94:[2, 32], Operations: ['22/11=2', '87-55=32'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,94 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,94 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,94 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 94:[55, 85], Operations: ['22/11=2', '87-2=85'] Exploring Operation: 55*85=4675, Resulting Numbers: [4675] 4675,94 unequal: No Solution Exploring Operation: 85-55=30, Resulting Numbers: [30] 30,94 unequal: No Solution Exploring Operation: 55+85=140, Resulting Numbers: [140] 140,94 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: 94:[87, 55, 11], Operations: ['22-11=11'] Exploring Operation: 87+11=98, Resulting Numbers: [55, 98] Generated Node #0,2,0: 94:[55, 98] Operation: 87+11=98 Exploring Operation: 55/11=5, Resulting Numbers: [87, 5] Generated Node #0,2,1: 94:[87, 5] Operation: 55/11=5 Exploring Operation: 87-55=32, Resulting Numbers: [11, 32] Generated Node #0,2,2: 94:[11, 32] Operation: 87-55=32 Exploring Operation: 55-11=44, Resulting Numbers: [87, 44] Generated Node #0,2,3: 94:[87, 44] Operation: 55-11=44 Moving to Node #0,0 Current State: 94:[87, 55, 33], Operations: ['22+11=33'] Exploring Operation: 55-33=22, Resulting Numbers: [87, 22] Generated Node #0,0,0: 94:[87, 22] Operation: 55-33=22 Exploring Operation: 87-55=32, Resulting Numbers: [33, 32] Generated Node #0,0,1: 94:[33, 32] Operation: 87-55=32 Exploring Operation: 55+33=88, Resulting Numbers: [87, 88] Generated Node #0,0,2: 94:[87, 88] Operation: 55+33=88 Exploring Operation: 87-33=54, Resulting Numbers: [55, 54] Generated Node #0,0,3: 94:[55, 54] Operation: 87-33=54 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 94:[87, 88], Operations: ['22+11=33', '55+33=88'] Exploring Operation: 88-87=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 87*88=7656, Resulting Numbers: [7656] 7656,94 unequal: No Solution Exploring Operation: 87+88=175, Resulting Numbers: [175] 175,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 94:[55, 54], Operations: ['22+11=33', '87-33=54'] Exploring Operation: 55-54=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 55*54=2970, Resulting Numbers: [2970] 2970,94 unequal: No Solution Exploring Operation: 55+54=109, Resulting Numbers: [109] 109,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[87, 22], Operations: ['22+11=33', '55-33=22'] Exploring Operation: 87*22=1914, Resulting Numbers: [1914] 1914,94 unequal: No Solution Exploring Operation: 87+22=109, Resulting Numbers: [109] 109,94 unequal: No Solution Exploring Operation: 87-22=65, Resulting Numbers: [65] 65,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 94:[33, 32], Operations: ['22+11=33', '87-55=32'] Exploring Operation: 33*32=1056, Resulting Numbers: [1056] 1056,94 unequal: No Solution Exploring Operation: 33+32=65, Resulting Numbers: [65] 65,94 unequal: No Solution Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,94 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: 94:[87, 11, 33], Operations: ['55-22=33'] Exploring Operation: 87+11=98, Resulting Numbers: [33, 98] Generated Node #0,3,0: 94:[33, 98] Operation: 87+11=98 Exploring Operation: 11+33=44, Resulting Numbers: [87, 44] Generated Node #0,3,1: 94:[87, 44] Operation: 11+33=44 Exploring Operation: 87-33=54, Resulting Numbers: [11, 54] Generated Node #0,3,2: 94:[11, 54] Operation: 87-33=54 Exploring Operation: 33/11=3, Resulting Numbers: [87, 3] Generated Node #0,3,3: 94:[87, 3] Operation: 33/11=3 Moving to Node #0,3,3 Current State: 94:[87, 3], Operations: ['55-22=33', '33/11=3'] Exploring Operation: 87+3=90, Resulting Numbers: [90] 90,94 unequal: No Solution Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,94 unequal: No Solution Exploring Operation: 87*3=261, Resulting Numbers: [261] 261,94 unequal: No Solution Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,94 unequal: No Solution Moving to Node #0,3,1 Current State: 94:[87, 44], Operations: ['55-22=33', '11+33=44'] Exploring Operation: 87+44=131, Resulting Numbers: [131] 131,94 unequal: No Solution Exploring Operation: 87-44=43, Resulting Numbers: [43] 43,94 unequal: No Solution Exploring Operation: 87*44=3828, Resulting Numbers: [3828] 3828,94 unequal: No Solution Moving to Node #0,2,1 Current State: 94:[87, 5], Operations: ['22-11=11', '55/11=5'] Exploring Operation: 87-5=82, Resulting Numbers: [82] 82,94 unequal: No Solution Exploring Operation: 87+5=92, Resulting Numbers: [92] 92,94 unequal: No Solution Exploring Operation: 87*5=435, Resulting Numbers: [435] 435,94 unequal: No Solution Moving to Node #0,2,3 Current State: 94:[87, 44], Operations: ['22-11=11', '55-11=44'] Exploring Operation: 87+44=131, Resulting Numbers: [131] 131,94 unequal: No Solution Exploring Operation: 87*44=3828, Resulting Numbers: [3828] 3828,94 unequal: No Solution Exploring Operation: 87-44=43, Resulting Numbers: [43] 43,94 unequal: No Solution Moving to Node #0,2,0 Current State: 94:[55, 98], Operations: ['22-11=11', '87+11=98'] Exploring Operation: 55+98=153, Resulting Numbers: [153] 153,94 unequal: No Solution Exploring Operation: 98-55=43, Resulting Numbers: [43] 43,94 unequal: No Solution Exploring Operation: 55*98=5390, Resulting Numbers: [5390] 5390,94 unequal: No Solution Moving to Node #0,3,2 Current State: 94:[11, 54], Operations: ['55-22=33', '87-33=54'] Exploring Operation: 11*54=594, Resulting Numbers: [594] 594,94 unequal: No Solution Exploring Operation: 54-11=43, Resulting Numbers: [43] 43,94 unequal: No Solution Exploring Operation: 11+54=65, Resulting Numbers: [65] 65,94 unequal: No Solution Moving to Node #0,3,0 Current State: 94:[33, 98], Operations: ['55-22=33', '87+11=98'] Exploring Operation: 33+98=131, Resulting Numbers: [131] 131,94 unequal: No Solution Exploring Operation: 33*98=3234, Resulting Numbers: [3234] 3234,94 unequal: No Solution Exploring Operation: 98-33=65, Resulting Numbers: [65] 65,94 unequal: No Solution Moving to Node #0,2,2 Current State: 94:[11, 32], Operations: ['22-11=11', '87-55=32'] Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,94 unequal: No Solution Exploring Operation: 11*32=352, Resulting Numbers: [352] 352,94 unequal: No Solution Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,94 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 84, 73, 70, 38 ]
49
[ "84+73=157", "70+38=108", "157-108=49" ]
Current State: 49:[84, 73, 70, 38], Operations: [] Exploring Operation: 84+73=157, Resulting Numbers: [70, 38, 157] Generated Node #2: [70, 38, 157] from Operation: 84+73=157 Current State: 49:[70, 38, 157], Operations: ['84+73=157'] Exploring Operation: 70+38=108, Resulting Numbers: [157, 108] Generated Node #3: [157, 108] from Operation: 70+38=108 Current State: 49:[157, 108], Operations: ['84+73=157', '70+38=108'] Exploring Operation: 157-108=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[84, 73, 70, 38], Operations: [] Exploring Operation: 84-73=11, Resulting Numbers: [70, 38, 11] Generated Node #0,0: 49:[70, 38, 11] Operation: 84-73=11 Moving to Node #0,0 Current State: 49:[70, 38, 11], Operations: ['84-73=11'] Exploring Operation: 70-38=32, Resulting Numbers: [11, 32] Generated Node #0,0,0: 49:[11, 32] Operation: 70-38=32 Moving to Node #0,0,0 Current State: 49:[11, 32], Operations: ['84-73=11', '70-38=32'] Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,49 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 60, 99, 15, 77 ]
55
[ "60*77=4620", "99-15=84", "4620/84=55" ]
Current State: 55:[60, 99, 15, 77], Operations: [] Exploring Operation: 60*77=4620, Resulting Numbers: [99, 15, 4620] Generated Node #2: [99, 15, 4620] from Operation: 60*77=4620 Current State: 55:[99, 15, 4620], Operations: ['60*77=4620'] Exploring Operation: 99-15=84, Resulting Numbers: [4620, 84] Generated Node #3: [4620, 84] from Operation: 99-15=84 Current State: 55:[4620, 84], Operations: ['60*77=4620', '99-15=84'] Exploring Operation: 4620/84=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[60, 99, 15, 77], Operations: [] Exploring Operation: 99-60=39, Resulting Numbers: [15, 77, 39] Generated Node #0,0: 55:[15, 77, 39] Operation: 99-60=39 Exploring Operation: 99-77=22, Resulting Numbers: [60, 15, 22] Generated Node #0,1: 55:[60, 15, 22] Operation: 99-77=22 Exploring Operation: 77-60=17, Resulting Numbers: [99, 15, 17] Generated Node #0,2: 55:[99, 15, 17] Operation: 77-60=17 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[60, 15, 22], Operations: ['99-77=22'] Exploring Operation: 60/15=4, Resulting Numbers: [22, 4] Generated Node #0,1,0: 55:[22, 4] Operation: 60/15=4 Exploring Operation: 60-15=45, Resulting Numbers: [22, 45] Generated Node #0,1,1: 55:[22, 45] Operation: 60-15=45 Exploring Operation: 22-15=7, Resulting Numbers: [60, 7] Generated Node #0,1,2: 55:[60, 7] Operation: 22-15=7 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 55:[60, 7], Operations: ['99-77=22', '22-15=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,55 unequal: No Solution Exploring Operation: 60*7=420, Resulting Numbers: [420] 420,55 unequal: No Solution Exploring Operation: 60+7=67, Resulting Numbers: [67] 67,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[22, 4], Operations: ['99-77=22', '60/15=4'] Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,55 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,55 unequal: No Solution Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,55 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 #0,1,1 Current State: 55:[22, 45], Operations: ['99-77=22', '60-15=45'] Exploring Operation: 22+45=67, Resulting Numbers: [67] 67,55 unequal: No Solution Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,55 unequal: No Solution Exploring Operation: 22*45=990, Resulting Numbers: [990] 990,55 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 #0,0 Current State: 55:[15, 77, 39], Operations: ['99-60=39'] Exploring Operation: 77-15=62, Resulting Numbers: [39, 62] Generated Node #0,0,0: 55:[39, 62] Operation: 77-15=62 Exploring Operation: 77-39=38, Resulting Numbers: [15, 38] Generated Node #0,0,1: 55:[15, 38] Operation: 77-39=38 Exploring Operation: 15+39=54, Resulting Numbers: [77, 54] Generated Node #0,0,2: 55:[77, 54] Operation: 15+39=54 Moving to Node #0,0,1 Current State: 55:[15, 38], Operations: ['99-60=39', '77-39=38'] Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,55 unequal: No Solution Exploring Operation: 15+38=53, Resulting Numbers: [53] 53,55 unequal: No Solution Exploring Operation: 15*38=570, Resulting Numbers: [570] 570,55 unequal: No Solution Moving to Node #0,0,0 Current State: 55:[39, 62], Operations: ['99-60=39', '77-15=62'] Exploring Operation: 39*62=2418, Resulting Numbers: [2418] 2418,55 unequal: No Solution Exploring Operation: 39+62=101, Resulting Numbers: [101] 101,55 unequal: No Solution Exploring Operation: 62-39=23, Resulting Numbers: [23] 23,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[77, 54], Operations: ['99-60=39', '15+39=54'] Exploring Operation: 77-54=23, Resulting Numbers: [23] 23,55 unequal: No Solution Exploring Operation: 77+54=131, Resulting Numbers: [131] 131,55 unequal: No Solution Exploring Operation: 77*54=4158, Resulting Numbers: [4158] 4158,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 55:[99, 15, 17], Operations: ['77-60=17'] Exploring Operation: 99-15=84, Resulting Numbers: [17, 84] Generated Node #0,2,0: 55:[17, 84] Operation: 99-15=84 Exploring Operation: 17-15=2, Resulting Numbers: [99, 2] Generated Node #0,2,1: 55:[99, 2] Operation: 17-15=2 Exploring Operation: 99-17=82, Resulting Numbers: [15, 82] Generated Node #0,2,2: 55:[15, 82] Operation: 99-17=82 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 55:[15, 82], Operations: ['77-60=17', '99-17=82'] Exploring Operation: 15+82=97, Resulting Numbers: [97] 97,55 unequal: No Solution Exploring Operation: 82-15=67, Resulting Numbers: [67] 67,55 unequal: No Solution Exploring Operation: 15*82=1230, Resulting Numbers: [1230] 1230,55 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 #0,2,0 Current State: 55:[17, 84], Operations: ['77-60=17', '99-15=84'] Exploring Operation: 17+84=101, Resulting Numbers: [101] 101,55 unequal: No Solution Exploring Operation: 84-17=67, Resulting Numbers: [67] 67,55 unequal: No Solution Exploring Operation: 17*84=1428, Resulting Numbers: [1428] 1428,55 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 #0,2,1 Current State: 55:[99, 2], Operations: ['77-60=17', '17-15=2'] Exploring Operation: 99+2=101, Resulting Numbers: [101] 101,55 unequal: No Solution Exploring Operation: 99*2=198, Resulting Numbers: [198] 198,55 unequal: No Solution Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,55 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_3
mult_heuristic
[ 58, 42, 65, 51 ]
30
[ "58-42=16", "65-51=14", "16+14=30" ]
Current State: 30:[58, 42, 65, 51], Operations: [] Exploring Operation: 58-42=16, Resulting Numbers: [65, 51, 16] Generated Node #2: [65, 51, 16] from Operation: 58-42=16 Current State: 30:[65, 51, 16], Operations: ['58-42=16'] Exploring Operation: 65-51=14, Resulting Numbers: [16, 14] Generated Node #3: [16, 14] from Operation: 65-51=14 Current State: 30:[16, 14], Operations: ['58-42=16', '65-51=14'] Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[58, 42, 65, 51], Operations: [] Exploring Operation: 65-51=14, Resulting Numbers: [58, 42, 14] Generated Node #0,0: 30:[58, 42, 14] Operation: 65-51=14 Exploring Operation: 65-58=7, Resulting Numbers: [42, 51, 7] Generated Node #0,1: 30:[42, 51, 7] Operation: 65-58=7 Exploring Operation: 65-42=23, Resulting Numbers: [58, 51, 23] Generated Node #0,2: 30:[58, 51, 23] Operation: 65-42=23 Exploring Operation: 58-51=7, Resulting Numbers: [42, 65, 7] Generated Node #0,3: 30:[42, 65, 7] Operation: 58-51=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[42, 51, 7], Operations: ['65-58=7'] Exploring Operation: 42/7=6, Resulting Numbers: [51, 6] Generated Node #0,1,0: 30:[51, 6] Operation: 42/7=6 Exploring Operation: 42-7=35, Resulting Numbers: [51, 35] Generated Node #0,1,1: 30:[51, 35] Operation: 42-7=35 Exploring Operation: 51-7=44, Resulting Numbers: [42, 44] Generated Node #0,1,2: 30:[42, 44] Operation: 51-7=44 Exploring Operation: 51-42=9, Resulting Numbers: [7, 9] Generated Node #0,1,3: 30:[7, 9] Operation: 51-42=9 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 30:[7, 9], Operations: ['65-58=7', '51-42=9'] Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,30 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,30 unequal: No Solution No 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: 30:[51, 6], Operations: ['65-58=7', '42/7=6'] Exploring Operation: 51*6=306, Resulting Numbers: [306] 306,30 unequal: No Solution Exploring Operation: 51+6=57, Resulting Numbers: [57] 57,30 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,30 unequal: No Solution No 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: 30:[51, 35], Operations: ['65-58=7', '42-7=35'] Exploring Operation: 51*35=1785, Resulting Numbers: [1785] 1785,30 unequal: No Solution Exploring Operation: 51+35=86, Resulting Numbers: [86] 86,30 unequal: No Solution Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,30 unequal: No Solution No 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: 30:[42, 44], Operations: ['65-58=7', '51-7=44'] Exploring Operation: 42+44=86, Resulting Numbers: [86] 86,30 unequal: No Solution Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 42*44=1848, Resulting Numbers: [1848] 1848,30 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: 30:[58, 42, 14], Operations: ['65-51=14'] Exploring Operation: 42/14=3, Resulting Numbers: [58, 3] Generated Node #0,0,0: 30:[58, 3] Operation: 42/14=3 Exploring Operation: 58-14=44, Resulting Numbers: [42, 44] Generated Node #0,0,1: 30:[42, 44] Operation: 58-14=44 Exploring Operation: 42-14=28, Resulting Numbers: [58, 28] Generated Node #0,0,2: 30:[58, 28] Operation: 42-14=28 Exploring Operation: 58-42=16, Resulting Numbers: [14, 16] Generated Node #0,0,3: 30:[14, 16] Operation: 58-42=16 Moving to Node #0,0,3 Current State: 30:[14, 16], Operations: ['65-51=14', '58-42=16'] Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 14+16=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[58, 42, 65, 51], Operations: [] Exploring Operation: 65-51=14, Resulting Numbers: [58, 42, 14] Generated Node #0,0: 30:[58, 42, 14] Operation: 65-51=14 Moving to Node #0,0 Current State: 30:[58, 42, 14], Operations: ['65-51=14'] Exploring Operation: 58-42=16, Resulting Numbers: [14, 16] Generated Node #0,0,3: 30:[14, 16] Operation: 58-42=16 Moving to Node #0,0,3 Current State: 30:[14, 16], Operations: ['65-51=14', '58-42=16'] Exploring Operation: 14+16=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 91, 27, 9, 2 ]
47
[ "27/9=3", "91+3=94", "94/2=47" ]
Current State: 47:[91, 27, 9, 2], Operations: [] Exploring Operation: 27/9=3, Resulting Numbers: [91, 2, 3] Generated Node #2: [91, 2, 3] from Operation: 27/9=3 Current State: 47:[91, 2, 3], Operations: ['27/9=3'] Exploring Operation: 91+3=94, Resulting Numbers: [2, 94] Generated Node #3: [2, 94] from Operation: 91+3=94 Current State: 47:[2, 94], Operations: ['27/9=3', '91+3=94'] Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[91, 27, 9, 2], Operations: [] Exploring Operation: 27*2=54, Resulting Numbers: [91, 9, 54] Generated Node #0,0: 47:[91, 9, 54] Operation: 27*2=54 Exploring Operation: 9*2=18, Resulting Numbers: [91, 27, 18] Generated Node #0,1: 47:[91, 27, 18] Operation: 9*2=18 Exploring Operation: 91-27=64, Resulting Numbers: [9, 2, 64] Generated Node #0,2: 47:[9, 2, 64] Operation: 91-27=64 Moving to Node #0,0 Current State: 47:[91, 9, 54], Operations: ['27*2=54'] Exploring Operation: 91-54=37, Resulting Numbers: [9, 37] Generated Node #0,0,0: 47:[9, 37] Operation: 91-54=37 Exploring Operation: 91-9=82, Resulting Numbers: [54, 82] Generated Node #0,0,1: 47:[54, 82] Operation: 91-9=82 Exploring Operation: 54-9=45, Resulting Numbers: [91, 45] Generated Node #0,0,2: 47:[91, 45] Operation: 54-9=45 Moving to Node #0,1 Current State: 47:[91, 27, 18], Operations: ['9*2=18'] Exploring Operation: 27+18=45, Resulting Numbers: [91, 45] Generated Node #0,1,0: 47:[91, 45] Operation: 27+18=45 Exploring Operation: 91-18=73, Resulting Numbers: [27, 73] Generated Node #0,1,1: 47:[27, 73] Operation: 91-18=73 Exploring Operation: 91-27=64, Resulting Numbers: [18, 64] Generated Node #0,1,2: 47:[18, 64] Operation: 91-27=64 Moving to Node #0,2 Current State: 47:[9, 2, 64], Operations: ['91-27=64'] Exploring Operation: 64-9=55, Resulting Numbers: [2, 55] Generated Node #0,2,0: 47:[2, 55] Operation: 64-9=55 Exploring Operation: 9*2=18, Resulting Numbers: [64, 18] Generated Node #0,2,1: 47:[64, 18] Operation: 9*2=18 Exploring Operation: 9+2=11, Resulting Numbers: [64, 11] Generated Node #0,2,2: 47:[64, 11] Operation: 9+2=11 Moving to Node #0,0,1 Current State: 47:[54, 82], Operations: ['27*2=54', '91-9=82'] Exploring Operation: 82-54=28, Resulting Numbers: [28] 28,47 unequal: No Solution Exploring Operation: 54*82=4428, Resulting Numbers: [4428] 4428,47 unequal: No Solution Exploring Operation: 54+82=136, Resulting Numbers: [136] 136,47 unequal: No Solution Moving to Node #0,1,2 Current State: 47:[18, 64], Operations: ['9*2=18', '91-27=64'] Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 18*64=1152, Resulting Numbers: [1152] 1152,47 unequal: No Solution Exploring Operation: 18+64=82, Resulting Numbers: [82] 82,47 unequal: No Solution Moving to Node #0,2,1 Current State: 47:[64, 18], Operations: ['91-27=64', '9*2=18'] Exploring Operation: 64*18=1152, Resulting Numbers: [1152] 1152,47 unequal: No Solution Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 64+18=82, Resulting Numbers: [82] 82,47 unequal: No Solution Moving to Node #0,0,2 Current State: 47:[91, 45], Operations: ['27*2=54', '54-9=45'] Exploring Operation: 91*45=4095, Resulting Numbers: [4095] 4095,47 unequal: No Solution Exploring Operation: 91+45=136, Resulting Numbers: [136] 136,47 unequal: No Solution Exploring Operation: 91-45=46, Resulting Numbers: [46] 46,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[27, 73], Operations: ['9*2=18', '91-18=73'] Exploring Operation: 73-27=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 27+73=100, Resulting Numbers: [100] 100,47 unequal: No Solution Exploring Operation: 27*73=1971, Resulting Numbers: [1971] 1971,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[91, 45], Operations: ['9*2=18', '27+18=45'] Exploring Operation: 91-45=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 91+45=136, Resulting Numbers: [136] 136,47 unequal: No Solution Exploring Operation: 91*45=4095, Resulting Numbers: [4095] 4095,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[9, 37], Operations: ['27*2=54', '91-54=37'] Exploring Operation: 9*37=333, Resulting Numbers: [333] 333,47 unequal: No Solution Exploring Operation: 9+37=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,47 unequal: No Solution Moving to Node #0,2,0 Current State: 47:[2, 55], Operations: ['91-27=64', '64-9=55'] Exploring Operation: 2*55=110, Resulting Numbers: [110] 110,47 unequal: No Solution Exploring Operation: 2+55=57, Resulting Numbers: [57] 57,47 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,47 unequal: No Solution Moving to Node #0,2,2 Current State: 47:[64, 11], Operations: ['91-27=64', '9+2=11'] Exploring Operation: 64+11=75, Resulting Numbers: [75] 75,47 unequal: No Solution Exploring Operation: 64*11=704, Resulting Numbers: [704] 704,47 unequal: No Solution Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,47 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 56, 62, 20, 34 ]
48
[ "62-56=6", "20+34=54", "54-6=48" ]
Current State: 48:[56, 62, 20, 34], Operations: [] Exploring Operation: 62-56=6, Resulting Numbers: [20, 34, 6] Generated Node #2: [20, 34, 6] from Operation: 62-56=6 Current State: 48:[20, 34, 6], Operations: ['62-56=6'] Exploring Operation: 20+34=54, Resulting Numbers: [6, 54] Generated Node #3: [6, 54] from Operation: 20+34=54 Current State: 48:[6, 54], Operations: ['62-56=6', '20+34=54'] Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[56, 62, 20, 34], Operations: [] Exploring Operation: 62-56=6, Resulting Numbers: [20, 34, 6] Generated Node #0,0: 48:[20, 34, 6] Operation: 62-56=6 Moving to Node #0,0 Current State: 48:[20, 34, 6], Operations: ['62-56=6'] Exploring Operation: 34-20=14, Resulting Numbers: [6, 14] Generated Node #0,0,0: 48:[6, 14] Operation: 34-20=14 Moving to Node #0,0,0 Current State: 48:[6, 14], Operations: ['62-56=6', '34-20=14'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,48 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 2, 54, 70, 58 ]
10
[ "70+58=128", "128/2=64", "64-54=10" ]
Current State: 10:[2, 54, 70, 58], Operations: [] Exploring Operation: 70+58=128, Resulting Numbers: [2, 54, 128] Generated Node #2: [2, 54, 128] from Operation: 70+58=128 Current State: 10:[2, 54, 128], Operations: ['70+58=128'] Exploring Operation: 128/2=64, Resulting Numbers: [54, 64] Generated Node #3: [54, 64] from Operation: 128/2=64 Current State: 10:[54, 64], Operations: ['70+58=128', '128/2=64'] Exploring Operation: 64-54=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[2, 54, 70, 58], Operations: [] Exploring Operation: 70-58=12, Resulting Numbers: [2, 54, 12] Generated Node #0,0: 10:[2, 54, 12] Operation: 70-58=12 Exploring Operation: 70-54=16, Resulting Numbers: [2, 58, 16] Generated Node #0,1: 10:[2, 58, 16] Operation: 70-54=16 Exploring Operation: 58/2=29, Resulting Numbers: [54, 70, 29] Generated Node #0,2: 10:[54, 70, 29] Operation: 58/2=29 Exploring Operation: 58-54=4, Resulting Numbers: [2, 70, 4] Generated Node #0,3: 10:[2, 70, 4] Operation: 58-54=4 Exploring Operation: 70/2=35, Resulting Numbers: [54, 58, 35] Generated Node #0,4: 10:[54, 58, 35] Operation: 70/2=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[2, 54, 12], Operations: ['70-58=12'] Exploring Operation: 12-2=10, Resulting Numbers: [54, 10] Generated Node #0,0,0: 10:[54, 10] Operation: 12-2=10 Exploring Operation: 54-2=52, Resulting Numbers: [12, 52] Generated Node #0,0,1: 10:[12, 52] Operation: 54-2=52 Exploring Operation: 54/2=27, Resulting Numbers: [12, 27] Generated Node #0,0,2: 10:[12, 27] Operation: 54/2=27 Exploring Operation: 12/2=6, Resulting Numbers: [54, 6] Generated Node #0,0,3: 10:[54, 6] Operation: 12/2=6 Exploring Operation: 54-12=42, Resulting Numbers: [2, 42] Generated Node #0,0,4: 10:[2, 42] Operation: 54-12=42 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 10:[12, 27], Operations: ['70-58=12', '54/2=27'] Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,10 unequal: No Solution Exploring Operation: 12+27=39, Resulting Numbers: [39] 39,10 unequal: No Solution Exploring Operation: 12*27=324, Resulting Numbers: [324] 324,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 10:[2, 42], Operations: ['70-58=12', '54-12=42'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,10 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,10 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,10 unequal: No Solution No 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: 10:[54, 10], Operations: ['70-58=12', '12-2=10'] Exploring Operation: 54+10=64, Resulting Numbers: [64] 64,10 unequal: No Solution Exploring Operation: 54-10=44, Resulting Numbers: [44] 44,10 unequal: No Solution Exploring Operation: 54*10=540, Resulting Numbers: [540] 540,10 unequal: No Solution No 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: 10:[12, 52], Operations: ['70-58=12', '54-2=52'] Exploring Operation: 52-12=40, Resulting Numbers: [40] 40,10 unequal: No Solution Exploring Operation: 12*52=624, Resulting Numbers: [624] 624,10 unequal: No Solution Exploring Operation: 12+52=64, Resulting Numbers: [64] 64,10 unequal: No Solution No 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: 10:[54, 6], Operations: ['70-58=12', '12/2=6'] Exploring Operation: 54+6=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,10 unequal: No Solution Exploring Operation: 54*6=324, Resulting Numbers: [324] 324,10 unequal: No Solution Exploring Operation: 54/6=9, Resulting Numbers: [9] 9,10 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: 10:[2, 58, 16], Operations: ['70-54=16'] Exploring Operation: 16-2=14, Resulting Numbers: [58, 14] Generated Node #0,1,0: 10:[58, 14] Operation: 16-2=14 Exploring Operation: 58-16=42, Resulting Numbers: [2, 42] Generated Node #0,1,1: 10:[2, 42] Operation: 58-16=42 Exploring Operation: 58/2=29, Resulting Numbers: [16, 29] Generated Node #0,1,2: 10:[16, 29] Operation: 58/2=29 Exploring Operation: 58-2=56, Resulting Numbers: [16, 56] Generated Node #0,1,3: 10:[16, 56] Operation: 58-2=56 Exploring Operation: 16/2=8, Resulting Numbers: [58, 8] Generated Node #0,1,4: 10:[58, 8] Operation: 16/2=8 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 10:[16, 29], Operations: ['70-54=16', '58/2=29'] Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,10 unequal: No Solution Exploring Operation: 16+29=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 16*29=464, Resulting Numbers: [464] 464,10 unequal: No Solution No 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: 10:[2, 42], Operations: ['70-54=16', '58-16=42'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,10 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,10 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 10:[58, 8], Operations: ['70-54=16', '16/2=8'] Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,10 unequal: No Solution Exploring Operation: 58+8=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 58*8=464, Resulting Numbers: [464] 464,10 unequal: No Solution No 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: 10:[58, 14], Operations: ['70-54=16', '16-2=14'] Exploring Operation: 58*14=812, Resulting Numbers: [812] 812,10 unequal: No Solution Exploring Operation: 58+14=72, Resulting Numbers: [72] 72,10 unequal: No Solution Exploring Operation: 58-14=44, Resulting Numbers: [44] 44,10 unequal: No Solution No 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: 10:[16, 56], Operations: ['70-54=16', '58-2=56'] Exploring Operation: 56-16=40, Resulting Numbers: [40] 40,10 unequal: No Solution Exploring Operation: 16*56=896, Resulting Numbers: [896] 896,10 unequal: No Solution Exploring Operation: 16+56=72, Resulting Numbers: [72] 72,10 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: 10:[2, 70, 4], Operations: ['58-54=4'] Exploring Operation: 70-4=66, Resulting Numbers: [2, 66] Generated Node #0,3,0: 10:[2, 66] Operation: 70-4=66 Exploring Operation: 70/2=35, Resulting Numbers: [4, 35] Generated Node #0,3,1: 10:[4, 35] Operation: 70/2=35 Exploring Operation: 4/2=2, Resulting Numbers: [70, 2] Generated Node #0,3,2: 10:[70, 2] Operation: 4/2=2 Exploring Operation: 70-2=68, Resulting Numbers: [4, 68] Generated Node #0,3,3: 10:[4, 68] Operation: 70-2=68 Exploring Operation: 4-2=2, Resulting Numbers: [70, 2] Generated Node #0,3,4: 10:[70, 2] Operation: 4-2=2 Moving to Node #0,3,1 Current State: 10:[4, 35], Operations: ['58-54=4', '70/2=35'] Exploring Operation: 4+35=39, Resulting Numbers: [39] 39,10 unequal: No Solution Exploring Operation: 4*35=140, Resulting Numbers: [140] 140,10 unequal: No Solution Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,10 unequal: No Solution Moving to Node #0,3,0 Current State: 10:[2, 66], Operations: ['58-54=4', '70-4=66'] Exploring Operation: 2+66=68, Resulting Numbers: [68] 68,10 unequal: No Solution Exploring Operation: 2*66=132, Resulting Numbers: [132] 132,10 unequal: No Solution Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,10 unequal: No Solution Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,10 unequal: No Solution Moving to Node #0,3,3 Current State: 10:[4, 68], Operations: ['58-54=4', '70-2=68'] Exploring Operation: 68/4=17, Resulting Numbers: [17] 17,10 unequal: No Solution Exploring Operation: 4+68=72, Resulting Numbers: [72] 72,10 unequal: No Solution Exploring Operation: 68-4=64, Resulting Numbers: [64] 64,10 unequal: No Solution Exploring Operation: 4*68=272, Resulting Numbers: [272] 272,10 unequal: No Solution Moving to Node #0,3,2 Current State: 10:[70, 2], Operations: ['58-54=4', '4/2=2'] Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,10 unequal: No Solution Exploring Operation: 70*2=140, Resulting Numbers: [140] 140,10 unequal: No Solution Exploring Operation: 70+2=72, Resulting Numbers: [72] 72,10 unequal: No Solution Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,10 unequal: No Solution Moving to Node #0,3,4 Current State: 10:[70, 2], Operations: ['58-54=4', '4-2=2'] Exploring Operation: 70*2=140, Resulting Numbers: [140] 140,10 unequal: No Solution Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,10 unequal: No Solution Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,10 unequal: No Solution Exploring Operation: 70+2=72, Resulting Numbers: [72] 72,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 10:[54, 58, 35], Operations: ['70/2=35'] Exploring Operation: 58-35=23, Resulting Numbers: [54, 23] Generated Node #0,4,0: 10:[54, 23] Operation: 58-35=23 Exploring Operation: 54+35=89, Resulting Numbers: [58, 89] Generated Node #0,4,1: 10:[58, 89] Operation: 54+35=89 Exploring Operation: 54+58=112, Resulting Numbers: [35, 112] Generated Node #0,4,2: 10:[35, 112] Operation: 54+58=112 Exploring Operation: 58-54=4, Resulting Numbers: [35, 4] Generated Node #0,4,3: 10:[35, 4] Operation: 58-54=4 Exploring Operation: 54-35=19, Resulting Numbers: [58, 19] Generated Node #0,4,4: 10:[58, 19] Operation: 54-35=19 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 10:[35, 4], Operations: ['70/2=35', '58-54=4'] Exploring Operation: 35*4=140, Resulting Numbers: [140] 140,10 unequal: No Solution Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 35+4=39, Resulting Numbers: [39] 39,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 10:[54, 23], Operations: ['70/2=35', '58-35=23'] Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 54+23=77, Resulting Numbers: [77] 77,10 unequal: No Solution Exploring Operation: 54*23=1242, Resulting Numbers: [1242] 1242,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 10:[58, 19], Operations: ['70/2=35', '54-35=19'] Exploring Operation: 58+19=77, Resulting Numbers: [77] 77,10 unequal: No Solution Exploring Operation: 58*19=1102, Resulting Numbers: [1102] 1102,10 unequal: No Solution Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 10:[58, 89], Operations: ['70/2=35', '54+35=89'] Exploring Operation: 89-58=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 58*89=5162, Resulting Numbers: [5162] 5162,10 unequal: No Solution Exploring Operation: 58+89=147, Resulting Numbers: [147] 147,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 10:[35, 112], Operations: ['70/2=35', '54+58=112'] Exploring Operation: 35+112=147, Resulting Numbers: [147] 147,10 unequal: No Solution Exploring Operation: 112-35=77, Resulting Numbers: [77] 77,10 unequal: No Solution Exploring Operation: 35*112=3920, Resulting Numbers: [3920] 3920,10 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: 10:[54, 70, 29], Operations: ['58/2=29'] Exploring Operation: 70-29=41, Resulting Numbers: [54, 41] Generated Node #0,2,0: 10:[54, 41] Operation: 70-29=41 Exploring Operation: 70-54=16, Resulting Numbers: [29, 16] Generated Node #0,2,1: 10:[29, 16] Operation: 70-54=16 Exploring Operation: 54-29=25, Resulting Numbers: [70, 25] Generated Node #0,2,2: 10:[70, 25] Operation: 54-29=25 Exploring Operation: 54+29=83, Resulting Numbers: [70, 83] Generated Node #0,2,3: 10:[70, 83] Operation: 54+29=83 Exploring Operation: 54+70=124, Resulting Numbers: [29, 124] Generated Node #0,2,4: 10:[29, 124] Operation: 54+70=124 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 10:[29, 16], Operations: ['58/2=29', '70-54=16'] Exploring Operation: 29*16=464, Resulting Numbers: [464] 464,10 unequal: No Solution Exploring Operation: 29+16=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,10 unequal: No Solution No 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: 10:[54, 41], Operations: ['58/2=29', '70-29=41'] Exploring Operation: 54*41=2214, Resulting Numbers: [2214] 2214,10 unequal: No Solution Exploring Operation: 54+41=95, Resulting Numbers: [95] 95,10 unequal: No Solution Exploring Operation: 54-41=13, Resulting Numbers: [13] 13,10 unequal: No Solution No 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: 10:[70, 25], Operations: ['58/2=29', '54-29=25'] Exploring Operation: 70*25=1750, Resulting Numbers: [1750] 1750,10 unequal: No Solution Exploring Operation: 70+25=95, Resulting Numbers: [95] 95,10 unequal: No Solution Exploring Operation: 70-25=45, Resulting Numbers: [45] 45,10 unequal: No Solution No 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: 10:[70, 83], Operations: ['58/2=29', '54+29=83'] Exploring Operation: 70+83=153, Resulting Numbers: [153] 153,10 unequal: No Solution Exploring Operation: 70*83=5810, Resulting Numbers: [5810] 5810,10 unequal: No Solution Exploring Operation: 83-70=13, Resulting Numbers: [13] 13,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 10:[29, 124], Operations: ['58/2=29', '54+70=124'] Exploring Operation: 29+124=153, Resulting Numbers: [153] 153,10 unequal: No Solution Exploring Operation: 29*124=3596, Resulting Numbers: [3596] 3596,10 unequal: No Solution Exploring Operation: 124-29=95, Resulting Numbers: [95] 95,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 28, 21, 42, 7 ]
23
[ "42-28=14", "14/7=2", "21+2=23" ]
Current State: 23:[28, 21, 42, 7], Operations: [] Exploring Operation: 42-28=14, Resulting Numbers: [21, 7, 14] Generated Node #2: [21, 7, 14] from Operation: 42-28=14 Current State: 23:[21, 7, 14], Operations: ['42-28=14'] Exploring Operation: 14/7=2, Resulting Numbers: [21, 2] Generated Node #3: [21, 2] from Operation: 14/7=2 Current State: 23:[21, 2], Operations: ['42-28=14', '14/7=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[28, 21, 42, 7], Operations: [] Exploring Operation: 42-7=35, Resulting Numbers: [28, 21, 35] Generated Node #0,0: 23:[28, 21, 35] Operation: 42-7=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[28, 21, 35], Operations: ['42-7=35'] Exploring Operation: 35-21=14, Resulting Numbers: [28, 14] Generated Node #0,0,0: 23:[28, 14] Operation: 35-21=14 Moving to Node #0,0,0 Current State: 23:[28, 14], Operations: ['42-7=35', '35-21=14'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 21, 19, 24, 27 ]
12
[ "27-24=3", "21/3=7", "19-7=12" ]
Current State: 12:[21, 19, 24, 27], Operations: [] Exploring Operation: 27-24=3, Resulting Numbers: [21, 19, 3] Generated Node #2: [21, 19, 3] from Operation: 27-24=3 Current State: 12:[21, 19, 3], Operations: ['27-24=3'] Exploring Operation: 21/3=7, Resulting Numbers: [19, 7] Generated Node #3: [19, 7] from Operation: 21/3=7 Current State: 12:[19, 7], Operations: ['27-24=3', '21/3=7'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[21, 19, 24, 27], Operations: [] Exploring Operation: 27-21=6, Resulting Numbers: [19, 24, 6] Generated Node #0,0: 12:[19, 24, 6] Operation: 27-21=6 Exploring Operation: 27-19=8, Resulting Numbers: [21, 24, 8] Generated Node #0,1: 12:[21, 24, 8] Operation: 27-19=8 Exploring Operation: 24-21=3, Resulting Numbers: [19, 27, 3] Generated Node #0,2: 12:[19, 27, 3] Operation: 24-21=3 Exploring Operation: 24-19=5, Resulting Numbers: [21, 27, 5] Generated Node #0,3: 12:[21, 27, 5] Operation: 24-19=5 Exploring Operation: 27-24=3, Resulting Numbers: [21, 19, 3] Generated Node #0,4: 12:[21, 19, 3] Operation: 27-24=3 Moving to Node #0,4 Current State: 12:[21, 19, 3], Operations: ['27-24=3'] Exploring Operation: 21-3=18, Resulting Numbers: [19, 18] Generated Node #0,4,0: 12:[19, 18] Operation: 21-3=18 Exploring Operation: 21-19=2, Resulting Numbers: [3, 2] Generated Node #0,4,1: 12:[3, 2] Operation: 21-19=2 Exploring Operation: 21/3=7, Resulting Numbers: [19, 7] Generated Node #0,4,2: 12:[19, 7] Operation: 21/3=7 Exploring Operation: 19-3=16, Resulting Numbers: [21, 16] Generated Node #0,4,3: 12:[21, 16] Operation: 19-3=16 Exploring Operation: 21+3=24, Resulting Numbers: [19, 24] Generated Node #0,4,4: 12:[19, 24] Operation: 21+3=24 Moving to Node #0,0 Current State: 12:[19, 24, 6], Operations: ['27-21=6'] Exploring Operation: 19-6=13, Resulting Numbers: [24, 13] Generated Node #0,0,0: 12:[24, 13] Operation: 19-6=13 Exploring Operation: 24-6=18, Resulting Numbers: [19, 18] Generated Node #0,0,1: 12:[19, 18] Operation: 24-6=18 Exploring Operation: 24-19=5, Resulting Numbers: [6, 5] Generated Node #0,0,2: 12:[6, 5] Operation: 24-19=5 Exploring Operation: 19+6=25, Resulting Numbers: [24, 25] Generated Node #0,0,3: 12:[24, 25] Operation: 19+6=25 Exploring Operation: 24/6=4, Resulting Numbers: [19, 4] Generated Node #0,0,4: 12:[19, 4] Operation: 24/6=4 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 12:[6, 5], Operations: ['27-21=6', '24-19=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,12 unequal: No Solution No 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: 12:[19, 4], Operations: ['27-21=6', '24/6=4'] Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,12 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,12 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,12 unequal: No Solution No 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: 12:[24, 13], Operations: ['27-21=6', '19-6=13'] Exploring Operation: 24*13=312, Resulting Numbers: [312] 312,12 unequal: No Solution Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,12 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,12 unequal: No Solution No 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: 12:[19, 18], Operations: ['27-21=6', '24-6=18'] Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,12 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,12 unequal: No Solution No 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: 12:[24, 25], Operations: ['27-21=6', '19+6=25'] Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 24*25=600, Resulting Numbers: [600] 600,12 unequal: No Solution Exploring Operation: 24+25=49, Resulting Numbers: [49] 49,12 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: 12:[19, 27, 3], Operations: ['24-21=3'] Exploring Operation: 19+3=22, Resulting Numbers: [27, 22] Generated Node #0,2,0: 12:[27, 22] Operation: 19+3=22 Exploring Operation: 27/3=9, Resulting Numbers: [19, 9] Generated Node #0,2,1: 12:[19, 9] Operation: 27/3=9 Exploring Operation: 27-3=24, Resulting Numbers: [19, 24] Generated Node #0,2,2: 12:[19, 24] Operation: 27-3=24 Exploring Operation: 27-19=8, Resulting Numbers: [3, 8] Generated Node #0,2,3: 12:[3, 8] Operation: 27-19=8 Exploring Operation: 19-3=16, Resulting Numbers: [27, 16] Generated Node #0,2,4: 12:[27, 16] Operation: 19-3=16 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 12:[3, 8], Operations: ['24-21=3', '27-19=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,12 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,12 unequal: No Solution No 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: 12:[19, 9], Operations: ['24-21=3', '27/3=9'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,12 unequal: No Solution Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 19*9=171, Resulting Numbers: [171] 171,12 unequal: No Solution No 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: 12:[19, 24], Operations: ['24-21=3', '27-3=24'] Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,12 unequal: No Solution Exploring Operation: 19+24=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 19*24=456, Resulting Numbers: [456] 456,12 unequal: No Solution No 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: 12:[27, 16], Operations: ['24-21=3', '19-3=16'] Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,12 unequal: No Solution Exploring Operation: 27*16=432, Resulting Numbers: [432] 432,12 unequal: No Solution No 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: 12:[27, 22], Operations: ['24-21=3', '19+3=22'] Exploring Operation: 27*22=594, Resulting Numbers: [594] 594,12 unequal: No Solution Exploring Operation: 27+22=49, Resulting Numbers: [49] 49,12 unequal: No Solution Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,12 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: 12:[21, 24, 8], Operations: ['27-19=8'] Exploring Operation: 24/8=3, Resulting Numbers: [21, 3] Generated Node #0,1,0: 12:[21, 3] Operation: 24/8=3 Exploring Operation: 21+8=29, Resulting Numbers: [24, 29] Generated Node #0,1,1: 12:[24, 29] Operation: 21+8=29 Exploring Operation: 21-8=13, Resulting Numbers: [24, 13] Generated Node #0,1,2: 12:[24, 13] Operation: 21-8=13 Exploring Operation: 24-21=3, Resulting Numbers: [8, 3] Generated Node #0,1,3: 12:[8, 3] Operation: 24-21=3 Exploring Operation: 24-8=16, Resulting Numbers: [21, 16] Generated Node #0,1,4: 12:[21, 16] Operation: 24-8=16 Moving to Node #0,3 Current State: 12:[21, 27, 5], Operations: ['24-19=5'] Exploring Operation: 21-5=16, Resulting Numbers: [27, 16] Generated Node #0,3,0: 12:[27, 16] Operation: 21-5=16 Exploring Operation: 27-21=6, Resulting Numbers: [5, 6] Generated Node #0,3,1: 12:[5, 6] Operation: 27-21=6 Exploring Operation: 27-5=22, Resulting Numbers: [21, 22] Generated Node #0,3,2: 12:[21, 22] Operation: 27-5=22 Exploring Operation: 21+5=26, Resulting Numbers: [27, 26] Generated Node #0,3,3: 12:[27, 26] Operation: 21+5=26 Exploring Operation: 27+5=32, Resulting Numbers: [21, 32] Generated Node #0,3,4: 12:[21, 32] Operation: 27+5=32 Moving to Node #0,4,1 Current State: 12:[3, 2], Operations: ['27-24=3', '21-19=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,12 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,12 unequal: No Solution Moving to Node #0,3,1 Current State: 12:[5, 6], Operations: ['24-19=5', '27-21=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,12 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,12 unequal: No Solution Moving to Node #0,1,3 Current State: 12:[8, 3], Operations: ['27-19=8', '24-21=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,12 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,12 unequal: No Solution Moving to Node #0,4,2 Current State: 12:[19, 7], Operations: ['27-24=3', '21/3=7'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[21, 19, 24, 27], Operations: [] Exploring Operation: 27-24=3, Resulting Numbers: [21, 19, 3] Generated Node #0,4: 12:[21, 19, 3] Operation: 27-24=3 Moving to Node #0,4 Current State: 12:[21, 19, 3], Operations: ['27-24=3'] Exploring Operation: 21/3=7, Resulting Numbers: [19, 7] Generated Node #0,4,2: 12:[19, 7] Operation: 21/3=7 Moving to Node #0,4,2 Current State: 12:[19, 7], Operations: ['27-24=3', '21/3=7'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
0.935764
hs_5
mult_heuristic
[ 61, 71, 20, 76 ]
74
[ "71-61=10", "20/10=2", "76-2=74" ]
Current State: 74:[61, 71, 20, 76], Operations: [] Exploring Operation: 71-61=10, Resulting Numbers: [20, 76, 10] Generated Node #2: [20, 76, 10] from Operation: 71-61=10 Current State: 74:[20, 76, 10], Operations: ['71-61=10'] Exploring Operation: 20/10=2, Resulting Numbers: [76, 2] Generated Node #3: [76, 2] from Operation: 20/10=2 Current State: 74:[76, 2], Operations: ['71-61=10', '20/10=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[61, 71, 20, 76], Operations: [] Exploring Operation: 71-20=51, Resulting Numbers: [61, 76, 51] Generated Node #0,0: 74:[61, 76, 51] Operation: 71-20=51 Exploring Operation: 61+20=81, Resulting Numbers: [71, 76, 81] Generated Node #0,1: 74:[71, 76, 81] Operation: 61+20=81 Exploring Operation: 61-20=41, Resulting Numbers: [71, 76, 41] Generated Node #0,2: 74:[71, 76, 41] Operation: 61-20=41 Exploring Operation: 71-61=10, Resulting Numbers: [20, 76, 10] Generated Node #0,3: 74:[20, 76, 10] Operation: 71-61=10 Start Sub Search at level 1: Moving to Node #0,2 Current State: 74:[71, 76, 41], Operations: ['61-20=41'] Exploring Operation: 71-41=30, Resulting Numbers: [76, 30] Generated Node #0,2,0: 74:[76, 30] Operation: 71-41=30 Exploring Operation: 71+41=112, Resulting Numbers: [76, 112] Generated Node #0,2,1: 74:[76, 112] Operation: 71+41=112 Exploring Operation: 76-71=5, Resulting Numbers: [41, 5] Generated Node #0,2,2: 74:[41, 5] Operation: 76-71=5 Exploring Operation: 76-41=35, Resulting Numbers: [71, 35] Generated Node #0,2,3: 74:[71, 35] Operation: 76-41=35 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 74:[71, 35], Operations: ['61-20=41', '76-41=35'] Exploring Operation: 71*35=2485, Resulting Numbers: [2485] 2485,74 unequal: No Solution Exploring Operation: 71+35=106, Resulting Numbers: [106] 106,74 unequal: No Solution Exploring Operation: 71-35=36, Resulting Numbers: [36] 36,74 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 #0,2,2 Current State: 74:[41, 5], Operations: ['61-20=41', '76-71=5'] Exploring Operation: 41*5=205, Resulting Numbers: [205] 205,74 unequal: No Solution Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,74 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,74 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 #0,2,0 Current State: 74:[76, 30], Operations: ['61-20=41', '71-41=30'] Exploring Operation: 76+30=106, Resulting Numbers: [106] 106,74 unequal: No Solution Exploring Operation: 76-30=46, Resulting Numbers: [46] 46,74 unequal: No Solution Exploring Operation: 76*30=2280, Resulting Numbers: [2280] 2280,74 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 #0,2,1 Current State: 74:[76, 112], Operations: ['61-20=41', '71+41=112'] Exploring Operation: 76+112=188, Resulting Numbers: [188] 188,74 unequal: No Solution Exploring Operation: 112-76=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 76*112=8512, Resulting Numbers: [8512] 8512,74 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 #0,1 Current State: 74:[71, 76, 81], Operations: ['61+20=81'] Exploring Operation: 76-71=5, Resulting Numbers: [81, 5] Generated Node #0,1,0: 74:[81, 5] Operation: 76-71=5 Exploring Operation: 81-71=10, Resulting Numbers: [76, 10] Generated Node #0,1,1: 74:[76, 10] Operation: 81-71=10 Exploring Operation: 71+76=147, Resulting Numbers: [81, 147] Generated Node #0,1,2: 74:[81, 147] Operation: 71+76=147 Exploring Operation: 81-76=5, Resulting Numbers: [71, 5] Generated Node #0,1,3: 74:[71, 5] Operation: 81-76=5 Moving to Node #0,1,3 Current State: 74:[71, 5], Operations: ['61+20=81', '81-76=5'] Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 71+5=76, Resulting Numbers: [76] 76,74 unequal: No Solution Exploring Operation: 71*5=355, Resulting Numbers: [355] 355,74 unequal: No Solution Moving to Node #0,1,1 Current State: 74:[76, 10], Operations: ['61+20=81', '81-71=10'] Exploring Operation: 76+10=86, Resulting Numbers: [86] 86,74 unequal: No Solution Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 76*10=760, Resulting Numbers: [760] 760,74 unequal: No Solution Moving to Node #0,1,0 Current State: 74:[81, 5], Operations: ['61+20=81', '76-71=5'] Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,74 unequal: No Solution Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,74 unequal: No Solution Exploring Operation: 81*5=405, Resulting Numbers: [405] 405,74 unequal: No Solution Moving to Node #0,1,2 Current State: 74:[81, 147], Operations: ['61+20=81', '71+76=147'] Exploring Operation: 81*147=11907, Resulting Numbers: [11907] 11907,74 unequal: No Solution Exploring Operation: 147-81=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 81+147=228, Resulting Numbers: [228] 228,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 74:[20, 76, 10], Operations: ['71-61=10'] Exploring Operation: 20/10=2, Resulting Numbers: [76, 2] Generated Node #0,3,0: 74:[76, 2] Operation: 20/10=2 Exploring Operation: 20-10=10, Resulting Numbers: [76, 10] Generated Node #0,3,1: 74:[76, 10] Operation: 20-10=10 Exploring Operation: 20+10=30, Resulting Numbers: [76, 30] Generated Node #0,3,2: 74:[76, 30] Operation: 20+10=30 Exploring Operation: 76-10=66, Resulting Numbers: [20, 66] Generated Node #0,3,3: 74:[20, 66] Operation: 76-10=66 Moving to Node #0,3,0 Current State: 74:[76, 2], Operations: ['71-61=10', '20/10=2'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 76*2=152, Resulting Numbers: [152] 152,74 unequal: No Solution Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,74 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[61, 71, 20, 76], Operations: [] Exploring Operation: 71-61=10, Resulting Numbers: [20, 76, 10] Generated Node #0,3: 74:[20, 76, 10] Operation: 71-61=10 Moving to Node #0,3 Current State: 74:[20, 76, 10], Operations: ['71-61=10'] Exploring Operation: 20/10=2, Resulting Numbers: [76, 2] Generated Node #0,3,0: 74:[76, 2] Operation: 20/10=2 Moving to Node #0,3,0 Current State: 74:[76, 2], Operations: ['71-61=10', '20/10=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.958333
hs_4
mult_heuristic
[ 36, 62, 23, 6 ]
55
[ "62-36=26", "23+6=29", "26+29=55" ]
Current State: 55:[36, 62, 23, 6], Operations: [] Exploring Operation: 62-36=26, Resulting Numbers: [23, 6, 26] Generated Node #2: [23, 6, 26] from Operation: 62-36=26 Current State: 55:[23, 6, 26], Operations: ['62-36=26'] Exploring Operation: 23+6=29, Resulting Numbers: [26, 29] Generated Node #3: [26, 29] from Operation: 23+6=29 Current State: 55:[26, 29], Operations: ['62-36=26', '23+6=29'] Exploring Operation: 26+29=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[36, 62, 23, 6], Operations: [] Exploring Operation: 36+23=59, Resulting Numbers: [62, 6, 59] Generated Node #0,0: 55:[62, 6, 59] Operation: 36+23=59 Exploring Operation: 62-36=26, Resulting Numbers: [23, 6, 26] Generated Node #0,1: 55:[23, 6, 26] Operation: 62-36=26 Exploring Operation: 36/6=6, Resulting Numbers: [62, 23, 6] Generated Node #0,2: 55:[62, 23, 6] Operation: 36/6=6 Exploring Operation: 36+6=42, Resulting Numbers: [62, 23, 42] Generated Node #0,3: 55:[62, 23, 42] Operation: 36+6=42 Exploring Operation: 36-23=13, Resulting Numbers: [62, 6, 13] Generated Node #0,4: 55:[62, 6, 13] Operation: 36-23=13 Moving to Node #0,4 Current State: 55:[62, 6, 13], Operations: ['36-23=13'] Exploring Operation: 62-13=49, Resulting Numbers: [6, 49] Generated Node #0,4,0: 55:[6, 49] Operation: 62-13=49 Exploring Operation: 62+6=68, Resulting Numbers: [13, 68] Generated Node #0,4,1: 55:[13, 68] Operation: 62+6=68 Exploring Operation: 13-6=7, Resulting Numbers: [62, 7] Generated Node #0,4,2: 55:[62, 7] Operation: 13-6=7 Exploring Operation: 62-6=56, Resulting Numbers: [13, 56] Generated Node #0,4,3: 55:[13, 56] Operation: 62-6=56 Exploring Operation: 6+13=19, Resulting Numbers: [62, 19] Generated Node #0,4,4: 55:[62, 19] Operation: 6+13=19 Moving to Node #0,0 Current State: 55:[62, 6, 59], Operations: ['36+23=59'] Exploring Operation: 59-6=53, Resulting Numbers: [62, 53] Generated Node #0,0,0: 55:[62, 53] Operation: 59-6=53 Exploring Operation: 62+6=68, Resulting Numbers: [59, 68] Generated Node #0,0,1: 55:[59, 68] Operation: 62+6=68 Exploring Operation: 6+59=65, Resulting Numbers: [62, 65] Generated Node #0,0,2: 55:[62, 65] Operation: 6+59=65 Exploring Operation: 62-6=56, Resulting Numbers: [59, 56] Generated Node #0,0,3: 55:[59, 56] Operation: 62-6=56 Exploring Operation: 62-59=3, Resulting Numbers: [6, 3] Generated Node #0,0,4: 55:[6, 3] Operation: 62-59=3 Moving to Node #0,2 Current State: 55:[62, 23, 6], Operations: ['36/6=6'] Exploring Operation: 62-23=39, Resulting Numbers: [6, 39] Generated Node #0,2,0: 55:[6, 39] Operation: 62-23=39 Exploring Operation: 62-6=56, Resulting Numbers: [23, 56] Generated Node #0,2,1: 55:[23, 56] Operation: 62-6=56 Exploring Operation: 62+6=68, Resulting Numbers: [23, 68] Generated Node #0,2,2: 55:[23, 68] Operation: 62+6=68 Exploring Operation: 23-6=17, Resulting Numbers: [62, 17] Generated Node #0,2,3: 55:[62, 17] Operation: 23-6=17 Exploring Operation: 23+6=29, Resulting Numbers: [62, 29] Generated Node #0,2,4: 55:[62, 29] Operation: 23+6=29 Moving to Node #0,1 Current State: 55:[23, 6, 26], Operations: ['62-36=26'] Exploring Operation: 23+6=29, Resulting Numbers: [26, 29] Generated Node #0,1,0: 55:[26, 29] Operation: 23+6=29 Exploring Operation: 23-6=17, Resulting Numbers: [26, 17] Generated Node #0,1,1: 55:[26, 17] Operation: 23-6=17 Exploring Operation: 26-23=3, Resulting Numbers: [6, 3] Generated Node #0,1,2: 55:[6, 3] Operation: 26-23=3 Exploring Operation: 26-6=20, Resulting Numbers: [23, 20] Generated Node #0,1,3: 55:[23, 20] Operation: 26-6=20 Exploring Operation: 23+26=49, Resulting Numbers: [6, 49] Generated Node #0,1,4: 55:[6, 49] Operation: 23+26=49 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 55:[6, 3], Operations: ['62-36=26', '26-23=3'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,55 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,55 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 55:[6, 49], Operations: ['62-36=26', '23+26=49'] Exploring Operation: 6*49=294, Resulting Numbers: [294] 294,55 unequal: No Solution Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,55 unequal: No Solution Exploring Operation: 6+49=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[36, 62, 23, 6], Operations: [] Exploring Operation: 62-36=26, Resulting Numbers: [23, 6, 26] Generated Node #0,1: 55:[23, 6, 26] Operation: 62-36=26 Moving to Node #0,1 Current State: 55:[23, 6, 26], Operations: ['62-36=26'] Exploring Operation: 23+26=49, Resulting Numbers: [6, 49] Generated Node #0,1,4: 55:[6, 49] Operation: 23+26=49 Moving to Node #0,1,4 Current State: 55:[6, 49], Operations: ['62-36=26', '23+26=49'] Exploring Operation: 6+49=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 86, 26, 41, 28 ]
90
[ "86-41=45", "28-26=2", "45*2=90" ]
Current State: 90:[86, 26, 41, 28], Operations: [] Exploring Operation: 86-41=45, Resulting Numbers: [26, 28, 45] Generated Node #2: [26, 28, 45] from Operation: 86-41=45 Current State: 90:[26, 28, 45], Operations: ['86-41=45'] Exploring Operation: 28-26=2, Resulting Numbers: [45, 2] Generated Node #3: [45, 2] from Operation: 28-26=2 Current State: 90:[45, 2], Operations: ['86-41=45', '28-26=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[86, 26, 41, 28], Operations: [] Exploring Operation: 41-26=15, Resulting Numbers: [86, 28, 15] Generated Node #0,0: 90:[86, 28, 15] Operation: 41-26=15 Exploring Operation: 26+28=54, Resulting Numbers: [86, 41, 54] Generated Node #0,1: 90:[86, 41, 54] Operation: 26+28=54 Exploring Operation: 41-28=13, Resulting Numbers: [86, 26, 13] Generated Node #0,2: 90:[86, 26, 13] Operation: 41-28=13 Exploring Operation: 86-41=45, Resulting Numbers: [26, 28, 45] Generated Node #0,3: 90:[26, 28, 45] Operation: 86-41=45 Exploring Operation: 28-26=2, Resulting Numbers: [86, 41, 2] Generated Node #0,4: 90:[86, 41, 2] Operation: 28-26=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[86, 28, 15], Operations: ['41-26=15'] Exploring Operation: 86+15=101, Resulting Numbers: [28, 101] Generated Node #0,0,0: 90:[28, 101] Operation: 86+15=101 Exploring Operation: 86-28=58, Resulting Numbers: [15, 58] Generated Node #0,0,1: 90:[15, 58] Operation: 86-28=58 Exploring Operation: 86-15=71, Resulting Numbers: [28, 71] Generated Node #0,0,2: 90:[28, 71] Operation: 86-15=71 Exploring Operation: 28+15=43, Resulting Numbers: [86, 43] Generated Node #0,0,3: 90:[86, 43] Operation: 28+15=43 Exploring Operation: 28-15=13, Resulting Numbers: [86, 13] Generated Node #0,0,4: 90:[86, 13] Operation: 28-15=13 Moving to Node #0,0,3 Current State: 90:[86, 43], Operations: ['41-26=15', '28+15=43'] Exploring Operation: 86+43=129, Resulting Numbers: [129] 129,90 unequal: No Solution Exploring Operation: 86-43=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 86/43=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 86*43=3698, Resulting Numbers: [3698] 3698,90 unequal: No Solution Moving to Node #0,0,4 Current State: 90:[86, 13], Operations: ['41-26=15', '28-15=13'] Exploring Operation: 86-13=73, Resulting Numbers: [73] 73,90 unequal: No Solution Exploring Operation: 86+13=99, Resulting Numbers: [99] 99,90 unequal: No Solution Exploring Operation: 86*13=1118, Resulting Numbers: [1118] 1118,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[28, 101], Operations: ['41-26=15', '86+15=101'] Exploring Operation: 28*101=2828, Resulting Numbers: [2828] 2828,90 unequal: No Solution Exploring Operation: 101-28=73, Resulting Numbers: [73] 73,90 unequal: No Solution Exploring Operation: 28+101=129, Resulting Numbers: [129] 129,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[15, 58], Operations: ['41-26=15', '86-28=58'] Exploring Operation: 15*58=870, Resulting Numbers: [870] 870,90 unequal: No Solution Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 15+58=73, Resulting Numbers: [73] 73,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[28, 71], Operations: ['41-26=15', '86-15=71'] Exploring Operation: 71-28=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 28*71=1988, Resulting Numbers: [1988] 1988,90 unequal: No Solution Exploring Operation: 28+71=99, Resulting Numbers: [99] 99,90 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 #0,3 Current State: 90:[26, 28, 45], Operations: ['86-41=45'] Exploring Operation: 26+45=71, Resulting Numbers: [28, 71] Generated Node #0,3,0: 90:[28, 71] Operation: 26+45=71 Exploring Operation: 45-26=19, Resulting Numbers: [28, 19] Generated Node #0,3,1: 90:[28, 19] Operation: 45-26=19 Exploring Operation: 28-26=2, Resulting Numbers: [45, 2] Generated Node #0,3,2: 90:[45, 2] Operation: 28-26=2 Exploring Operation: 45-28=17, Resulting Numbers: [26, 17] Generated Node #0,3,3: 90:[26, 17] Operation: 45-28=17 Exploring Operation: 26+28=54, Resulting Numbers: [45, 54] Generated Node #0,3,4: 90:[45, 54] Operation: 26+28=54 Moving to Node #0,3,2 Current State: 90:[45, 2], Operations: ['86-41=45', '28-26=2'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[86, 26, 41, 28], Operations: [] Exploring Operation: 86-41=45, Resulting Numbers: [26, 28, 45] Generated Node #0,3: 90:[26, 28, 45] Operation: 86-41=45 Moving to Node #0,3 Current State: 90:[26, 28, 45], Operations: ['86-41=45'] Exploring Operation: 28-26=2, Resulting Numbers: [45, 2] Generated Node #0,3,2: 90:[45, 2] Operation: 28-26=2 Moving to Node #0,3,2 Current State: 90:[45, 2], Operations: ['86-41=45', '28-26=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 69, 9, 87, 58 ]
89
[ "69-9=60", "87-58=29", "60+29=89" ]
Current State: 89:[69, 9, 87, 58], Operations: [] Exploring Operation: 69-9=60, Resulting Numbers: [87, 58, 60] Generated Node #2: [87, 58, 60] from Operation: 69-9=60 Current State: 89:[87, 58, 60], Operations: ['69-9=60'] Exploring Operation: 87-58=29, Resulting Numbers: [60, 29] Generated Node #3: [60, 29] from Operation: 87-58=29 Current State: 89:[60, 29], Operations: ['69-9=60', '87-58=29'] Exploring Operation: 60+29=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[69, 9, 87, 58], Operations: [] Exploring Operation: 69+9=78, Resulting Numbers: [87, 58, 78] Generated Node #0,0: 89:[87, 58, 78] Operation: 69+9=78 Exploring Operation: 87-9=78, Resulting Numbers: [69, 58, 78] Generated Node #0,1: 89:[69, 58, 78] Operation: 87-9=78 Exploring Operation: 9+58=67, Resulting Numbers: [69, 87, 67] Generated Node #0,2: 89:[69, 87, 67] Operation: 9+58=67 Exploring Operation: 69-9=60, Resulting Numbers: [87, 58, 60] Generated Node #0,3: 89:[87, 58, 60] Operation: 69-9=60 Exploring Operation: 9+87=96, Resulting Numbers: [69, 58, 96] Generated Node #0,4: 89:[69, 58, 96] Operation: 9+87=96 Moving to Node #0,0 Current State: 89:[87, 58, 78], Operations: ['69+9=78'] Exploring Operation: 87+58=145, Resulting Numbers: [78, 145] Generated Node #0,0,0: 89:[78, 145] Operation: 87+58=145 Exploring Operation: 58+78=136, Resulting Numbers: [87, 136] Generated Node #0,0,1: 89:[87, 136] Operation: 58+78=136 Exploring Operation: 87+78=165, Resulting Numbers: [58, 165] Generated Node #0,0,2: 89:[58, 165] Operation: 87+78=165 Exploring Operation: 78-58=20, Resulting Numbers: [87, 20] Generated Node #0,0,3: 89:[87, 20] Operation: 78-58=20 Exploring Operation: 87-58=29, Resulting Numbers: [78, 29] Generated Node #0,0,4: 89:[78, 29] Operation: 87-58=29 Moving to Node #0,2 Current State: 89:[69, 87, 67], Operations: ['9+58=67'] Exploring Operation: 69-67=2, Resulting Numbers: [87, 2] Generated Node #0,2,0: 89:[87, 2] Operation: 69-67=2 Exploring Operation: 87-67=20, Resulting Numbers: [69, 20] Generated Node #0,2,1: 89:[69, 20] Operation: 87-67=20 Exploring Operation: 69+87=156, Resulting Numbers: [67, 156] Generated Node #0,2,2: 89:[67, 156] Operation: 69+87=156 Exploring Operation: 69+67=136, Resulting Numbers: [87, 136] Generated Node #0,2,3: 89:[87, 136] Operation: 69+67=136 Exploring Operation: 87+67=154, Resulting Numbers: [69, 154] Generated Node #0,2,4: 89:[69, 154] Operation: 87+67=154 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 89:[87, 136], Operations: ['9+58=67', '69+67=136'] Exploring Operation: 87*136=11832, Resulting Numbers: [11832] 11832,89 unequal: No Solution Exploring Operation: 136-87=49, Resulting Numbers: [49] 49,89 unequal: No Solution Exploring Operation: 87+136=223, Resulting Numbers: [223] 223,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 89:[69, 154], Operations: ['9+58=67', '87+67=154'] Exploring Operation: 69+154=223, Resulting Numbers: [223] 223,89 unequal: No Solution Exploring Operation: 154-69=85, Resulting Numbers: [85] 85,89 unequal: No Solution Exploring Operation: 69*154=10626, Resulting Numbers: [10626] 10626,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[87, 2], Operations: ['9+58=67', '69-67=2'] Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,89 unequal: No Solution Exploring Operation: 87*2=174, Resulting Numbers: [174] 174,89 unequal: No Solution Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[69, 9, 87, 58], Operations: [] Exploring Operation: 9+58=67, Resulting Numbers: [69, 87, 67] Generated Node #0,2: 89:[69, 87, 67] Operation: 9+58=67 Moving to Node #0,2 Current State: 89:[69, 87, 67], Operations: ['9+58=67'] Exploring Operation: 69-67=2, Resulting Numbers: [87, 2] Generated Node #0,2,0: 89:[87, 2] Operation: 69-67=2 Moving to Node #0,2,0 Current State: 89:[87, 2], Operations: ['9+58=67', '69-67=2'] Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_5
sum_heuristic
[ 4, 92, 34, 20 ]
42
[ "4+92=96", "34+20=54", "96-54=42" ]
Current State: 42:[4, 92, 34, 20], Operations: [] Exploring Operation: 4+92=96, Resulting Numbers: [34, 20, 96] Generated Node #2: [34, 20, 96] from Operation: 4+92=96 Current State: 42:[34, 20, 96], Operations: ['4+92=96'] Exploring Operation: 34+20=54, Resulting Numbers: [96, 54] Generated Node #3: [96, 54] from Operation: 34+20=54 Current State: 42:[96, 54], Operations: ['4+92=96', '34+20=54'] Exploring Operation: 96-54=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[4, 92, 34, 20], Operations: [] Exploring Operation: 92-20=72, Resulting Numbers: [4, 34, 72] Generated Node #0,0: 42:[4, 34, 72] Operation: 92-20=72 Exploring Operation: 34-20=14, Resulting Numbers: [4, 92, 14] Generated Node #0,1: 42:[4, 92, 14] Operation: 34-20=14 Exploring Operation: 92/4=23, Resulting Numbers: [34, 20, 23] Generated Node #0,2: 42:[34, 20, 23] Operation: 92/4=23 Exploring Operation: 92-34=58, Resulting Numbers: [4, 20, 58] Generated Node #0,3: 42:[4, 20, 58] Operation: 92-34=58 Moving to Node #0,2 Current State: 42:[34, 20, 23], Operations: ['92/4=23'] Exploring Operation: 34-20=14, Resulting Numbers: [23, 14] Generated Node #0,2,0: 42:[23, 14] Operation: 34-20=14 Exploring Operation: 20+23=43, Resulting Numbers: [34, 43] Generated Node #0,2,1: 42:[34, 43] Operation: 20+23=43 Exploring Operation: 34-23=11, Resulting Numbers: [20, 11] Generated Node #0,2,2: 42:[20, 11] Operation: 34-23=11 Exploring Operation: 23-20=3, Resulting Numbers: [34, 3] Generated Node #0,2,3: 42:[34, 3] Operation: 23-20=3 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 42:[23, 14], Operations: ['92/4=23', '34-20=14'] Exploring Operation: 23*14=322, Resulting Numbers: [322] 322,42 unequal: No Solution Exploring Operation: 23+14=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 23-14=9, Resulting Numbers: [9] 9,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 42:[20, 11], Operations: ['92/4=23', '34-23=11'] Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,42 unequal: No Solution Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,42 unequal: No Solution Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 42:[34, 3], Operations: ['92/4=23', '23-20=3'] Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,42 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,42 unequal: No Solution Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 42:[34, 43], Operations: ['92/4=23', '20+23=43'] Exploring Operation: 34+43=77, Resulting Numbers: [77] 77,42 unequal: No Solution Exploring Operation: 34*43=1462, Resulting Numbers: [1462] 1462,42 unequal: No Solution Exploring Operation: 43-34=9, Resulting Numbers: [9] 9,42 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: 42:[4, 20, 58], Operations: ['92-34=58'] Exploring Operation: 58-4=54, Resulting Numbers: [20, 54] Generated Node #0,3,0: 42:[20, 54] Operation: 58-4=54 Exploring Operation: 20/4=5, Resulting Numbers: [58, 5] Generated Node #0,3,1: 42:[58, 5] Operation: 20/4=5 Exploring Operation: 20-4=16, Resulting Numbers: [58, 16] Generated Node #0,3,2: 42:[58, 16] Operation: 20-4=16 Exploring Operation: 58-20=38, Resulting Numbers: [4, 38] Generated Node #0,3,3: 42:[4, 38] Operation: 58-20=38 Moving to Node #0,0 Current State: 42:[4, 34, 72], Operations: ['92-20=72'] Exploring Operation: 72-4=68, Resulting Numbers: [34, 68] Generated Node #0,0,0: 42:[34, 68] Operation: 72-4=68 Exploring Operation: 72-34=38, Resulting Numbers: [4, 38] Generated Node #0,0,1: 42:[4, 38] Operation: 72-34=38 Exploring Operation: 72/4=18, Resulting Numbers: [34, 18] Generated Node #0,0,2: 42:[34, 18] Operation: 72/4=18 Exploring Operation: 4+34=38, Resulting Numbers: [72, 38] Generated Node #0,0,3: 42:[72, 38] Operation: 4+34=38 Moving to Node #0,1 Current State: 42:[4, 92, 14], Operations: ['34-20=14'] Exploring Operation: 92/4=23, Resulting Numbers: [14, 23] Generated Node #0,1,0: 42:[14, 23] Operation: 92/4=23 Exploring Operation: 4+14=18, Resulting Numbers: [92, 18] Generated Node #0,1,1: 42:[92, 18] Operation: 4+14=18 Exploring Operation: 92-14=78, Resulting Numbers: [4, 78] Generated Node #0,1,2: 42:[4, 78] Operation: 92-14=78 Exploring Operation: 92-4=88, Resulting Numbers: [14, 88] Generated Node #0,1,3: 42:[14, 88] Operation: 92-4=88 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 42:[14, 23], Operations: ['34-20=14', '92/4=23'] Exploring Operation: 23-14=9, Resulting Numbers: [9] 9,42 unequal: No Solution Exploring Operation: 14*23=322, Resulting Numbers: [322] 322,42 unequal: No Solution Exploring Operation: 14+23=37, Resulting Numbers: [37] 37,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 42:[4, 78], Operations: ['34-20=14', '92-14=78'] Exploring Operation: 4*78=312, Resulting Numbers: [312] 312,42 unequal: No Solution Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,42 unequal: No Solution Exploring Operation: 4+78=82, Resulting Numbers: [82] 82,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 42:[14, 88], Operations: ['34-20=14', '92-4=88'] Exploring Operation: 14*88=1232, Resulting Numbers: [1232] 1232,42 unequal: No Solution Exploring Operation: 88-14=74, Resulting Numbers: [74] 74,42 unequal: No Solution Exploring Operation: 14+88=102, Resulting Numbers: [102] 102,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 42:[92, 18], Operations: ['34-20=14', '4+14=18'] Exploring Operation: 92+18=110, Resulting Numbers: [110] 110,42 unequal: No Solution Exploring Operation: 92-18=74, Resulting Numbers: [74] 74,42 unequal: No Solution Exploring Operation: 92*18=1656, Resulting Numbers: [1656] 1656,42 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: 42:[4, 38], Operations: ['92-34=58', '58-20=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,42 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[4, 92, 34, 20], Operations: [] Exploring Operation: 92-34=58, Resulting Numbers: [4, 20, 58] Generated Node #0,3: 42:[4, 20, 58] Operation: 92-34=58 Moving to Node #0,3 Current State: 42:[4, 20, 58], Operations: ['92-34=58'] Exploring Operation: 58-20=38, Resulting Numbers: [4, 38] Generated Node #0,3,3: 42:[4, 38] Operation: 58-20=38 Moving to Node #0,3,3 Current State: 42:[4, 38], Operations: ['92-34=58', '58-20=38'] Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
0.956597
hs_4
sum_heuristic
[ 24, 6, 2, 63 ]
61
[ "24/6=4", "2+63=65", "65-4=61" ]
Current State: 61:[24, 6, 2, 63], Operations: [] Exploring Operation: 24/6=4, Resulting Numbers: [2, 63, 4] Generated Node #2: [2, 63, 4] from Operation: 24/6=4 Current State: 61:[2, 63, 4], Operations: ['24/6=4'] Exploring Operation: 2+63=65, Resulting Numbers: [4, 65] Generated Node #3: [4, 65] from Operation: 2+63=65 Current State: 61:[4, 65], Operations: ['24/6=4', '2+63=65'] Exploring Operation: 65-4=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[24, 6, 2, 63], Operations: [] Exploring Operation: 6*2=12, Resulting Numbers: [24, 63, 12] Generated Node #0,0: 61:[24, 63, 12] Operation: 6*2=12 Exploring Operation: 24*2=48, Resulting Numbers: [6, 63, 48] Generated Node #0,1: 61:[6, 63, 48] Operation: 24*2=48 Exploring Operation: 24+2=26, Resulting Numbers: [6, 63, 26] Generated Node #0,2: 61:[6, 63, 26] Operation: 24+2=26 Exploring Operation: 24+6=30, Resulting Numbers: [2, 63, 30] Generated Node #0,3: 61:[2, 63, 30] Operation: 24+6=30 Exploring Operation: 6+2=8, Resulting Numbers: [24, 63, 8] Generated Node #0,4: 61:[24, 63, 8] Operation: 6+2=8 Moving to Node #0,1 Current State: 61:[6, 63, 48], Operations: ['24*2=48'] Exploring Operation: 6+63=69, Resulting Numbers: [48, 69] Generated Node #0,1,0: 61:[48, 69] Operation: 6+63=69 Exploring Operation: 63-6=57, Resulting Numbers: [48, 57] Generated Node #0,1,1: 61:[48, 57] Operation: 63-6=57 Exploring Operation: 48/6=8, Resulting Numbers: [63, 8] Generated Node #0,1,2: 61:[63, 8] Operation: 48/6=8 Exploring Operation: 6+48=54, Resulting Numbers: [63, 54] Generated Node #0,1,3: 61:[63, 54] Operation: 6+48=54 Exploring Operation: 48-6=42, Resulting Numbers: [63, 42] Generated Node #0,1,4: 61:[63, 42] Operation: 48-6=42 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 61:[63, 54], Operations: ['24*2=48', '6+48=54'] Exploring Operation: 63*54=3402, Resulting Numbers: [3402] 3402,61 unequal: No Solution Exploring Operation: 63+54=117, Resulting Numbers: [117] 117,61 unequal: No Solution Exploring Operation: 63-54=9, Resulting Numbers: [9] 9,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[48, 57], Operations: ['24*2=48', '63-6=57'] Exploring Operation: 48*57=2736, Resulting Numbers: [2736] 2736,61 unequal: No Solution Exploring Operation: 48+57=105, Resulting Numbers: [105] 105,61 unequal: No Solution Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[48, 69], Operations: ['24*2=48', '6+63=69'] Exploring Operation: 69-48=21, Resulting Numbers: [21] 21,61 unequal: No Solution Exploring Operation: 48*69=3312, Resulting Numbers: [3312] 3312,61 unequal: No Solution Exploring Operation: 48+69=117, Resulting Numbers: [117] 117,61 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 #0,1,4 Current State: 61:[63, 42], Operations: ['24*2=48', '48-6=42'] Exploring Operation: 63-42=21, Resulting Numbers: [21] 21,61 unequal: No Solution Exploring Operation: 63*42=2646, Resulting Numbers: [2646] 2646,61 unequal: No Solution Exploring Operation: 63+42=105, Resulting Numbers: [105] 105,61 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:[63, 8], Operations: ['24*2=48', '48/6=8'] Exploring Operation: 63+8=71, Resulting Numbers: [71] 71,61 unequal: No Solution Exploring Operation: 63-8=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 63*8=504, Resulting Numbers: [504] 504,61 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:[24, 63, 12], Operations: ['6*2=12'] Exploring Operation: 24-12=12, Resulting Numbers: [63, 12] Generated Node #0,0,0: 61:[63, 12] Operation: 24-12=12 Exploring Operation: 24+12=36, Resulting Numbers: [63, 36] Generated Node #0,0,1: 61:[63, 36] Operation: 24+12=36 Exploring Operation: 63-12=51, Resulting Numbers: [24, 51] Generated Node #0,0,2: 61:[24, 51] Operation: 63-12=51 Exploring Operation: 24/12=2, Resulting Numbers: [63, 2] Generated Node #0,0,3: 61:[63, 2] Operation: 24/12=2 Exploring Operation: 63+12=75, Resulting Numbers: [24, 75] Generated Node #0,0,4: 61:[24, 75] Operation: 63+12=75 Moving to Node #0,2 Current State: 61:[6, 63, 26], Operations: ['24+2=26'] Exploring Operation: 26-6=20, Resulting Numbers: [63, 20] Generated Node #0,2,0: 61:[63, 20] Operation: 26-6=20 Exploring Operation: 6+63=69, Resulting Numbers: [26, 69] Generated Node #0,2,1: 61:[26, 69] Operation: 6+63=69 Exploring Operation: 6+26=32, Resulting Numbers: [63, 32] Generated Node #0,2,2: 61:[63, 32] Operation: 6+26=32 Exploring Operation: 63-26=37, Resulting Numbers: [6, 37] Generated Node #0,2,3: 61:[6, 37] Operation: 63-26=37 Exploring Operation: 63-6=57, Resulting Numbers: [26, 57] Generated Node #0,2,4: 61:[26, 57] Operation: 63-6=57 Moving to Node #0,3 Current State: 61:[2, 63, 30], Operations: ['24+6=30'] Exploring Operation: 2+30=32, Resulting Numbers: [63, 32] Generated Node #0,3,0: 61:[63, 32] Operation: 2+30=32 Exploring Operation: 30-2=28, Resulting Numbers: [63, 28] Generated Node #0,3,1: 61:[63, 28] Operation: 30-2=28 Exploring Operation: 2*30=60, Resulting Numbers: [63, 60] Generated Node #0,3,2: 61:[63, 60] Operation: 2*30=60 Exploring Operation: 2+63=65, Resulting Numbers: [30, 65] Generated Node #0,3,3: 61:[30, 65] Operation: 2+63=65 Exploring Operation: 63-2=61, Resulting Numbers: [30, 61] Generated Node #0,3,4: 61:[30, 61] Operation: 63-2=61 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 61:[63, 60], Operations: ['24+6=30', '2*30=60'] Exploring Operation: 63-60=3, Resulting Numbers: [3] 3,61 unequal: No Solution Exploring Operation: 63*60=3780, Resulting Numbers: [3780] 3780,61 unequal: No Solution Exploring Operation: 63+60=123, Resulting Numbers: [123] 123,61 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 #0,3,0 Current State: 61:[63, 32], Operations: ['24+6=30', '2+30=32'] Exploring Operation: 63*32=2016, Resulting Numbers: [2016] 2016,61 unequal: No Solution Exploring Operation: 63+32=95, Resulting Numbers: [95] 95,61 unequal: No Solution Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,61 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 #0,3,4 Current State: 61:[30, 61], Operations: ['24+6=30', '63-2=61'] Exploring Operation: 61-30=31, Resulting Numbers: [31] 31,61 unequal: No Solution Exploring Operation: 30*61=1830, Resulting Numbers: [1830] 1830,61 unequal: No Solution Exploring Operation: 30+61=91, Resulting Numbers: [91] 91,61 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 #0,3,1 Current State: 61:[63, 28], Operations: ['24+6=30', '30-2=28'] Exploring Operation: 63*28=1764, Resulting Numbers: [1764] 1764,61 unequal: No Solution Exploring Operation: 63-28=35, Resulting Numbers: [35] 35,61 unequal: No Solution Exploring Operation: 63+28=91, Resulting Numbers: [91] 91,61 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 #0,3,3 Current State: 61:[30, 65], Operations: ['24+6=30', '2+63=65'] Exploring Operation: 65-30=35, Resulting Numbers: [35] 35,61 unequal: No Solution Exploring Operation: 30+65=95, Resulting Numbers: [95] 95,61 unequal: No Solution Exploring Operation: 30*65=1950, Resulting Numbers: [1950] 1950,61 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: 61:[24, 63, 8], Operations: ['6+2=8'] Exploring Operation: 24+8=32, Resulting Numbers: [63, 32] Generated Node #0,4,0: 61:[63, 32] Operation: 24+8=32 Exploring Operation: 63+8=71, Resulting Numbers: [24, 71] Generated Node #0,4,1: 61:[24, 71] Operation: 63+8=71 Exploring Operation: 24/8=3, Resulting Numbers: [63, 3] Generated Node #0,4,2: 61:[63, 3] Operation: 24/8=3 Exploring Operation: 63-8=55, Resulting Numbers: [24, 55] Generated Node #0,4,3: 61:[24, 55] Operation: 63-8=55 Exploring Operation: 24-8=16, Resulting Numbers: [63, 16] Generated Node #0,4,4: 61:[63, 16] Operation: 24-8=16 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 61:[63, 32], Operations: ['6+2=8', '24+8=32'] Exploring Operation: 63*32=2016, Resulting Numbers: [2016] 2016,61 unequal: No Solution Exploring Operation: 63+32=95, Resulting Numbers: [95] 95,61 unequal: No Solution Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 61:[24, 55], Operations: ['6+2=8', '63-8=55'] Exploring Operation: 24+55=79, Resulting Numbers: [79] 79,61 unequal: No Solution Exploring Operation: 24*55=1320, Resulting Numbers: [1320] 1320,61 unequal: No Solution Exploring Operation: 55-24=31, Resulting Numbers: [31] 31,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 61:[24, 71], Operations: ['6+2=8', '63+8=71'] Exploring Operation: 24+71=95, Resulting Numbers: [95] 95,61 unequal: No Solution Exploring Operation: 24*71=1704, Resulting Numbers: [1704] 1704,61 unequal: No Solution Exploring Operation: 71-24=47, Resulting Numbers: [47] 47,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 61:[63, 16], Operations: ['6+2=8', '24-8=16'] Exploring Operation: 63-16=47, Resulting Numbers: [47] 47,61 unequal: No Solution Exploring Operation: 63*16=1008, Resulting Numbers: [1008] 1008,61 unequal: No Solution Exploring Operation: 63+16=79, Resulting Numbers: [79] 79,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 61:[63, 3], Operations: ['6+2=8', '24/8=3'] Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,61 unequal: No Solution Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,61 unequal: No Solution Exploring Operation: 63*3=189, Resulting Numbers: [189] 189,61 unequal: No Solution Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,61 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: 61:[63, 36], Operations: ['6*2=12', '24+12=36'] Exploring Operation: 63+36=99, Resulting Numbers: [99] 99,61 unequal: No Solution Exploring Operation: 63*36=2268, Resulting Numbers: [2268] 2268,61 unequal: No Solution Exploring Operation: 63-36=27, Resulting Numbers: [27] 27,61 unequal: No Solution Moving to Node #0,2,2 Current State: 61:[63, 32], Operations: ['24+2=26', '6+26=32'] Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,61 unequal: No Solution Exploring Operation: 63+32=95, Resulting Numbers: [95] 95,61 unequal: No Solution Exploring Operation: 63*32=2016, Resulting Numbers: [2016] 2016,61 unequal: No Solution Moving to Node #0,2,4 Current State: 61:[26, 57], Operations: ['24+2=26', '63-6=57'] Exploring Operation: 26*57=1482, Resulting Numbers: [1482] 1482,61 unequal: No Solution Exploring Operation: 57-26=31, Resulting Numbers: [31] 31,61 unequal: No Solution Exploring Operation: 26+57=83, Resulting Numbers: [83] 83,61 unequal: No Solution Moving to Node #0,2,0 Current State: 61:[63, 20], Operations: ['24+2=26', '26-6=20'] Exploring Operation: 63*20=1260, Resulting Numbers: [1260] 1260,61 unequal: No Solution Exploring Operation: 63+20=83, Resulting Numbers: [83] 83,61 unequal: No Solution Exploring Operation: 63-20=43, Resulting Numbers: [43] 43,61 unequal: No Solution Moving to Node #0,2,1 Current State: 61:[26, 69], Operations: ['24+2=26', '6+63=69'] Exploring Operation: 26+69=95, Resulting Numbers: [95] 95,61 unequal: No Solution Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,61 unequal: No Solution Exploring Operation: 26*69=1794, Resulting Numbers: [1794] 1794,61 unequal: No Solution Moving to Node #0,0,2 Current State: 61:[24, 51], Operations: ['6*2=12', '63-12=51'] Exploring Operation: 51-24=27, Resulting Numbers: [27] 27,61 unequal: No Solution Exploring Operation: 24*51=1224, Resulting Numbers: [1224] 1224,61 unequal: No Solution Exploring Operation: 24+51=75, Resulting Numbers: [75] 75,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[63, 12], Operations: ['6*2=12', '24-12=12'] Exploring Operation: 63-12=51, Resulting Numbers: [51] 51,61 unequal: No Solution Exploring Operation: 63*12=756, Resulting Numbers: [756] 756,61 unequal: No Solution Exploring Operation: 63+12=75, Resulting Numbers: [75] 75,61 unequal: No Solution Moving to Node #0,0,4 Current State: 61:[24, 75], Operations: ['6*2=12', '63+12=75'] Exploring Operation: 24*75=1800, Resulting Numbers: [1800] 1800,61 unequal: No Solution Exploring Operation: 75-24=51, Resulting Numbers: [51] 51,61 unequal: No Solution Exploring Operation: 24+75=99, Resulting Numbers: [99] 99,61 unequal: No Solution Moving to Node #0,0,3 Current State: 61:[63, 2], Operations: ['6*2=12', '24/12=2'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[24, 6, 2, 63], Operations: [] Exploring Operation: 6*2=12, Resulting Numbers: [24, 63, 12] Generated Node #0,0: 61:[24, 63, 12] Operation: 6*2=12 Moving to Node #0,0 Current State: 61:[24, 63, 12], Operations: ['6*2=12'] Exploring Operation: 24/12=2, Resulting Numbers: [63, 2] Generated Node #0,0,3: 61:[63, 2] Operation: 24/12=2 Moving to Node #0,0,3 Current State: 61:[63, 2], Operations: ['6*2=12', '24/12=2'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
0.908854
hs_5
mult_heuristic
[ 17, 30, 21, 12 ]
14
[ "17+30=47", "21+12=33", "47-33=14" ]
Current State: 14:[17, 30, 21, 12], Operations: [] Exploring Operation: 17+30=47, Resulting Numbers: [21, 12, 47] Generated Node #2: [21, 12, 47] from Operation: 17+30=47 Current State: 14:[21, 12, 47], Operations: ['17+30=47'] Exploring Operation: 21+12=33, Resulting Numbers: [47, 33] Generated Node #3: [47, 33] from Operation: 21+12=33 Current State: 14:[47, 33], Operations: ['17+30=47', '21+12=33'] Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[17, 30, 21, 12], Operations: [] Exploring Operation: 30-12=18, Resulting Numbers: [17, 21, 18] Generated Node #0,0: 14:[17, 21, 18] Operation: 30-12=18 Exploring Operation: 21-17=4, Resulting Numbers: [30, 12, 4] Generated Node #0,1: 14:[30, 12, 4] Operation: 21-17=4 Exploring Operation: 30-17=13, Resulting Numbers: [21, 12, 13] Generated Node #0,2: 14:[21, 12, 13] Operation: 30-17=13 Exploring Operation: 30-21=9, Resulting Numbers: [17, 12, 9] Generated Node #0,3: 14:[17, 12, 9] Operation: 30-21=9 Exploring Operation: 21-12=9, Resulting Numbers: [17, 30, 9] Generated Node #0,4: 14:[17, 30, 9] Operation: 21-12=9 Start Sub Search at level 1: Moving to Node #0,3 Current State: 14:[17, 12, 9], Operations: ['30-21=9'] Exploring Operation: 17-12=5, Resulting Numbers: [9, 5] Generated Node #0,3,0: 14:[9, 5] Operation: 17-12=5 Exploring Operation: 17-9=8, Resulting Numbers: [12, 8] Generated Node #0,3,1: 14:[12, 8] Operation: 17-9=8 Exploring Operation: 12-9=3, Resulting Numbers: [17, 3] Generated Node #0,3,2: 14:[17, 3] Operation: 12-9=3 Exploring Operation: 12+9=21, Resulting Numbers: [17, 21] Generated Node #0,3,3: 14:[17, 21] Operation: 12+9=21 Exploring Operation: 17+9=26, Resulting Numbers: [12, 26] Generated Node #0,3,4: 14:[12, 26] Operation: 17+9=26 Moving to Node #0,3,1 Current State: 14:[12, 8], Operations: ['30-21=9', '17-9=8'] Exploring Operation: 12*8=96, Resulting Numbers: [96] 96,14 unequal: No Solution Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,14 unequal: No Solution Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,14 unequal: No Solution Moving to Node #0,3,2 Current State: 14:[17, 3], Operations: ['30-21=9', '12-9=3'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[17, 30, 21, 12], Operations: [] Exploring Operation: 30-21=9, Resulting Numbers: [17, 12, 9] Generated Node #0,3: 14:[17, 12, 9] Operation: 30-21=9 Moving to Node #0,3 Current State: 14:[17, 12, 9], Operations: ['30-21=9'] Exploring Operation: 12-9=3, Resulting Numbers: [17, 3] Generated Node #0,3,2: 14:[17, 3] Operation: 12-9=3 Moving to Node #0,3,2 Current State: 14:[17, 3], Operations: ['30-21=9', '12-9=3'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 32, 78, 32, 80 ]
52
[ "32*78=2496", "80-32=48", "2496/48=52" ]
Current State: 52:[32, 78, 32, 80], Operations: [] Exploring Operation: 32*78=2496, Resulting Numbers: [80, 2496] Generated Node #2: [80, 2496] from Operation: 32*78=2496 Current State: 52:[80, 2496], Operations: ['32*78=2496'] Exploring Operation: 80-32=48, Resulting Numbers: [2496, 48] Generated Node #3: [2496, 48] from Operation: 80-32=48 Current State: 52:[2496, 48], Operations: ['32*78=2496', '80-32=48'] Exploring Operation: 2496/48=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[32, 78, 32, 80], Operations: [] Exploring Operation: 80-32=48, Resulting Numbers: [78, 32, 48] Generated Node #0,0: 52:[78, 32, 48] Operation: 80-32=48 Exploring Operation: 78-32=46, Resulting Numbers: [32, 80, 46] Generated Node #0,1: 52:[32, 80, 46] Operation: 78-32=46 Exploring Operation: 80-78=2, Resulting Numbers: [32, 32, 2] Generated Node #0,2: 52:[32, 32, 2] Operation: 80-78=2 Exploring Operation: 80-32=48, Resulting Numbers: [32, 78, 48] Generated Node #0,3: 52:[32, 78, 48] Operation: 80-32=48 Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[32, 32, 2], Operations: ['80-78=2'] Exploring Operation: 32/2=16, Resulting Numbers: [32, 16] Generated Node #0,2,0: 52:[32, 16] Operation: 32/2=16 Exploring Operation: 32-32=0, Resulting Numbers: [2, 0] Generated Node #0,2,1: 52:[2, 0] Operation: 32-32=0 Exploring Operation: 32/32=1, Resulting Numbers: [2, 1] Generated Node #0,2,2: 52:[2, 1] Operation: 32/32=1 Exploring Operation: 32/2=16, Resulting Numbers: [32, 16] Generated Node #0,2,3: 52:[32, 16] Operation: 32/2=16 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 52:[2, 1], Operations: ['80-78=2', '32/32=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,52 unequal: No Solution No 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: 52:[2, 0], Operations: ['80-78=2', '32-32=0'] Exploring Operation: 2-0=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2+0=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2*0=0, Resulting Numbers: [0] 0,52 unequal: No Solution No 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: 52:[32, 16], Operations: ['80-78=2', '32/2=16'] Exploring Operation: 32*16=512, Resulting Numbers: [512] 512,52 unequal: No Solution Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 32+16=48, Resulting Numbers: [48] 48,52 unequal: No Solution No 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: 52:[32, 16], Operations: ['80-78=2', '32/2=16'] Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 32*16=512, Resulting Numbers: [512] 512,52 unequal: No Solution Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 32+16=48, Resulting Numbers: [48] 48,52 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: 52:[78, 32, 48], Operations: ['80-32=48'] Exploring Operation: 48-32=16, Resulting Numbers: [78, 16] Generated Node #0,0,0: 52:[78, 16] Operation: 48-32=16 Exploring Operation: 78-32=46, Resulting Numbers: [48, 46] Generated Node #0,0,1: 52:[48, 46] Operation: 78-32=46 Exploring Operation: 32+48=80, Resulting Numbers: [78, 80] Generated Node #0,0,2: 52:[78, 80] Operation: 32+48=80 Exploring Operation: 78-48=30, Resulting Numbers: [32, 30] Generated Node #0,0,3: 52:[32, 30] Operation: 78-48=30 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 52:[48, 46], Operations: ['80-32=48', '78-32=46'] Exploring Operation: 48*46=2208, Resulting Numbers: [2208] 2208,52 unequal: No Solution Exploring Operation: 48+46=94, Resulting Numbers: [94] 94,52 unequal: No Solution Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,52 unequal: No Solution No 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: 52:[32, 30], Operations: ['80-32=48', '78-48=30'] Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 32*30=960, Resulting Numbers: [960] 960,52 unequal: No Solution Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,52 unequal: No Solution No 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: 52:[78, 16], Operations: ['80-32=48', '48-32=16'] Exploring Operation: 78+16=94, Resulting Numbers: [94] 94,52 unequal: No Solution Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,52 unequal: No Solution Exploring Operation: 78*16=1248, Resulting Numbers: [1248] 1248,52 unequal: No Solution No 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: 52:[78, 80], Operations: ['80-32=48', '32+48=80'] Exploring Operation: 80-78=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 78+80=158, Resulting Numbers: [158] 158,52 unequal: No Solution Exploring Operation: 78*80=6240, Resulting Numbers: [6240] 6240,52 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: 52:[32, 78, 48], Operations: ['80-32=48'] Exploring Operation: 48-32=16, Resulting Numbers: [78, 16] Generated Node #0,3,0: 52:[78, 16] Operation: 48-32=16 Exploring Operation: 78-48=30, Resulting Numbers: [32, 30] Generated Node #0,3,1: 52:[32, 30] Operation: 78-48=30 Exploring Operation: 32+48=80, Resulting Numbers: [78, 80] Generated Node #0,3,2: 52:[78, 80] Operation: 32+48=80 Exploring Operation: 78-32=46, Resulting Numbers: [48, 46] Generated Node #0,3,3: 52:[48, 46] Operation: 78-32=46 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 52:[32, 30], Operations: ['80-32=48', '78-48=30'] Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 32*30=960, Resulting Numbers: [960] 960,52 unequal: No Solution Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,52 unequal: No Solution No 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: 52:[48, 46], Operations: ['80-32=48', '78-32=46'] Exploring Operation: 48+46=94, Resulting Numbers: [94] 94,52 unequal: No Solution Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 48*46=2208, Resulting Numbers: [2208] 2208,52 unequal: No Solution No 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: 52:[78, 16], Operations: ['80-32=48', '48-32=16'] Exploring Operation: 78+16=94, Resulting Numbers: [94] 94,52 unequal: No Solution Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,52 unequal: No Solution Exploring Operation: 78*16=1248, Resulting Numbers: [1248] 1248,52 unequal: No Solution No 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: 52:[78, 80], Operations: ['80-32=48', '32+48=80'] Exploring Operation: 78+80=158, Resulting Numbers: [158] 158,52 unequal: No Solution Exploring Operation: 80-78=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 78*80=6240, Resulting Numbers: [6240] 6240,52 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: 52:[32, 80, 46], Operations: ['78-32=46'] Exploring Operation: 80-32=48, Resulting Numbers: [46, 48] Generated Node #0,1,0: 52:[46, 48] Operation: 80-32=48 Exploring Operation: 32+46=78, Resulting Numbers: [80, 78] Generated Node #0,1,1: 52:[80, 78] Operation: 32+46=78 Exploring Operation: 80-46=34, Resulting Numbers: [32, 34] Generated Node #0,1,2: 52:[32, 34] Operation: 80-46=34 Exploring Operation: 46-32=14, Resulting Numbers: [80, 14] Generated Node #0,1,3: 52:[80, 14] Operation: 46-32=14 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 52:[46, 48], Operations: ['78-32=46', '80-32=48'] Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 46+48=94, Resulting Numbers: [94] 94,52 unequal: No Solution Exploring Operation: 46*48=2208, Resulting Numbers: [2208] 2208,52 unequal: No Solution No 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: 52:[32, 34], Operations: ['78-32=46', '80-46=34'] Exploring Operation: 32+34=66, Resulting Numbers: [66] 66,52 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 32*34=1088, Resulting Numbers: [1088] 1088,52 unequal: No Solution No 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: 52:[80, 14], Operations: ['78-32=46', '46-32=14'] Exploring Operation: 80-14=66, Resulting Numbers: [66] 66,52 unequal: No Solution Exploring Operation: 80*14=1120, Resulting Numbers: [1120] 1120,52 unequal: No Solution Exploring Operation: 80+14=94, Resulting Numbers: [94] 94,52 unequal: No Solution No 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: 52:[80, 78], Operations: ['78-32=46', '32+46=78'] Exploring Operation: 80*78=6240, Resulting Numbers: [6240] 6240,52 unequal: No Solution Exploring Operation: 80+78=158, Resulting Numbers: [158] 158,52 unequal: No Solution Exploring Operation: 80-78=2, Resulting Numbers: [2] 2,52 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
[ 65, 75, 5, 34 ]
68
[ "75-65=10", "10/5=2", "34*2=68" ]
Current State: 68:[65, 75, 5, 34], Operations: [] Exploring Operation: 75-65=10, Resulting Numbers: [5, 34, 10] Generated Node #2: [5, 34, 10] from Operation: 75-65=10 Current State: 68:[5, 34, 10], Operations: ['75-65=10'] Exploring Operation: 10/5=2, Resulting Numbers: [34, 2] Generated Node #3: [34, 2] from Operation: 10/5=2 Current State: 68:[34, 2], Operations: ['75-65=10', '10/5=2'] Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[65, 75, 5, 34], Operations: [] Exploring Operation: 75-5=70, Resulting Numbers: [65, 34, 70] Generated Node #0,0: 68:[65, 34, 70] Operation: 75-5=70 Exploring Operation: 75-65=10, Resulting Numbers: [5, 34, 10] Generated Node #0,1: 68:[5, 34, 10] Operation: 75-65=10 Exploring Operation: 75/5=15, Resulting Numbers: [65, 34, 15] Generated Node #0,2: 68:[65, 34, 15] Operation: 75/5=15 Moving to Node #0,0 Current State: 68:[65, 34, 70], Operations: ['75-5=70'] Exploring Operation: 70-65=5, Resulting Numbers: [34, 5] Generated Node #0,0,0: 68:[34, 5] Operation: 70-65=5 Exploring Operation: 65-34=31, Resulting Numbers: [70, 31] Generated Node #0,0,1: 68:[70, 31] Operation: 65-34=31 Exploring Operation: 70-34=36, Resulting Numbers: [65, 36] Generated Node #0,0,2: 68:[65, 36] Operation: 70-34=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[34, 5], Operations: ['75-5=70', '70-65=5'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,68 unequal: No Solution Exploring Operation: 34*5=170, Resulting Numbers: [170] 170,68 unequal: No Solution Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 68:[70, 31], Operations: ['75-5=70', '65-34=31'] Exploring Operation: 70-31=39, Resulting Numbers: [39] 39,68 unequal: No Solution Exploring Operation: 70*31=2170, Resulting Numbers: [2170] 2170,68 unequal: No Solution Exploring Operation: 70+31=101, Resulting Numbers: [101] 101,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 68:[65, 36], Operations: ['75-5=70', '70-34=36'] Exploring Operation: 65*36=2340, Resulting Numbers: [2340] 2340,68 unequal: No Solution Exploring Operation: 65-36=29, Resulting Numbers: [29] 29,68 unequal: No Solution Exploring Operation: 65+36=101, Resulting Numbers: [101] 101,68 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: 68:[65, 34, 15], Operations: ['75/5=15'] Exploring Operation: 34-15=19, Resulting Numbers: [65, 19] Generated Node #0,2,0: 68:[65, 19] Operation: 34-15=19 Exploring Operation: 65-34=31, Resulting Numbers: [15, 31] Generated Node #0,2,1: 68:[15, 31] Operation: 65-34=31 Exploring Operation: 65+15=80, Resulting Numbers: [34, 80] Generated Node #0,2,2: 68:[34, 80] Operation: 65+15=80 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 68:[65, 19], Operations: ['75/5=15', '34-15=19'] Exploring Operation: 65-19=46, Resulting Numbers: [46] 46,68 unequal: No Solution Exploring Operation: 65*19=1235, Resulting Numbers: [1235] 1235,68 unequal: No Solution Exploring Operation: 65+19=84, Resulting Numbers: [84] 84,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 68:[15, 31], Operations: ['75/5=15', '65-34=31'] Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 15*31=465, Resulting Numbers: [465] 465,68 unequal: No Solution Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 68:[34, 80], Operations: ['75/5=15', '65+15=80'] Exploring Operation: 34*80=2720, Resulting Numbers: [2720] 2720,68 unequal: No Solution Exploring Operation: 80-34=46, Resulting Numbers: [46] 46,68 unequal: No Solution Exploring Operation: 34+80=114, Resulting Numbers: [114] 114,68 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: 68:[5, 34, 10], Operations: ['75-65=10'] Exploring Operation: 5+10=15, Resulting Numbers: [34, 15] Generated Node #0,1,0: 68:[34, 15] Operation: 5+10=15 Exploring Operation: 10-5=5, Resulting Numbers: [34, 5] Generated Node #0,1,1: 68:[34, 5] Operation: 10-5=5 Exploring Operation: 10/5=2, Resulting Numbers: [34, 2] Generated Node #0,1,2: 68:[34, 2] Operation: 10/5=2 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 68:[34, 2], Operations: ['75-65=10', '10/5=2'] Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,68 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,68 unequal: No Solution Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[65, 75, 5, 34], Operations: [] Exploring Operation: 75-65=10, Resulting Numbers: [5, 34, 10] Generated Node #0,1: 68:[5, 34, 10] Operation: 75-65=10 Moving to Node #0,1 Current State: 68:[5, 34, 10], Operations: ['75-65=10'] Exploring Operation: 10/5=2, Resulting Numbers: [34, 2] Generated Node #0,1,2: 68:[34, 2] Operation: 10/5=2 Moving to Node #0,1,2 Current State: 68:[34, 2], Operations: ['75-65=10', '10/5=2'] Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_3
mult_heuristic
[ 14, 55, 68, 64 ]
73
[ "14+55=69", "68-64=4", "69+4=73" ]
Current State: 73:[14, 55, 68, 64], Operations: [] Exploring Operation: 14+55=69, Resulting Numbers: [68, 64, 69] Generated Node #2: [68, 64, 69] from Operation: 14+55=69 Current State: 73:[68, 64, 69], Operations: ['14+55=69'] Exploring Operation: 68-64=4, Resulting Numbers: [69, 4] Generated Node #3: [69, 4] from Operation: 68-64=4 Current State: 73:[69, 4], Operations: ['14+55=69', '68-64=4'] Exploring Operation: 69+4=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[14, 55, 68, 64], Operations: [] Exploring Operation: 14+55=69, Resulting Numbers: [68, 64, 69] Generated Node #0,0: 73:[68, 64, 69] Operation: 14+55=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[68, 64, 69], Operations: ['14+55=69'] Exploring Operation: 68+64=132, Resulting Numbers: [69, 132] Generated Node #0,0,0: 73:[69, 132] Operation: 68+64=132 Moving to Node #0,0,0 Current State: 73:[69, 132], Operations: ['14+55=69', '68+64=132'] Exploring Operation: 132-69=63, Resulting Numbers: [63] 63,73 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
[ 39, 29, 37, 73 ]
100
[ "39-29=10", "37+73=110", "110-10=100" ]
Current State: 100:[39, 29, 37, 73], Operations: [] Exploring Operation: 39-29=10, Resulting Numbers: [37, 73, 10] Generated Node #2: [37, 73, 10] from Operation: 39-29=10 Current State: 100:[37, 73, 10], Operations: ['39-29=10'] Exploring Operation: 37+73=110, Resulting Numbers: [10, 110] Generated Node #3: [10, 110] from Operation: 37+73=110 Current State: 100:[10, 110], Operations: ['39-29=10', '37+73=110'] Exploring Operation: 110-10=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[39, 29, 37, 73], Operations: [] Exploring Operation: 73-39=34, Resulting Numbers: [29, 37, 34] Generated Node #0,0: 100:[29, 37, 34] Operation: 73-39=34 Exploring Operation: 29+73=102, Resulting Numbers: [39, 37, 102] Generated Node #0,1: 100:[39, 37, 102] Operation: 29+73=102 Exploring Operation: 37+73=110, Resulting Numbers: [39, 29, 110] Generated Node #0,2: 100:[39, 29, 110] Operation: 37+73=110 Exploring Operation: 73-37=36, Resulting Numbers: [39, 29, 36] Generated Node #0,3: 100:[39, 29, 36] Operation: 73-37=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[29, 37, 34], Operations: ['73-39=34'] Exploring Operation: 37-29=8, Resulting Numbers: [34, 8] Generated Node #0,0,0: 100:[34, 8] Operation: 37-29=8 Exploring Operation: 34-29=5, Resulting Numbers: [37, 5] Generated Node #0,0,1: 100:[37, 5] Operation: 34-29=5 Exploring Operation: 37-34=3, Resulting Numbers: [29, 3] Generated Node #0,0,2: 100:[29, 3] Operation: 37-34=3 Exploring Operation: 29+37=66, Resulting Numbers: [34, 66] Generated Node #0,0,3: 100:[34, 66] Operation: 29+37=66 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 100:[29, 3], Operations: ['73-39=34', '37-34=3'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,100 unequal: No Solution Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,100 unequal: No Solution Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[34, 8], Operations: ['73-39=34', '37-29=8'] Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,100 unequal: No Solution Exploring Operation: 34*8=272, Resulting Numbers: [272] 272,100 unequal: No Solution Exploring Operation: 34+8=42, Resulting Numbers: [42] 42,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 100:[37, 5], Operations: ['73-39=34', '34-29=5'] Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 37*5=185, Resulting Numbers: [185] 185,100 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 100:[34, 66], Operations: ['73-39=34', '29+37=66'] Exploring Operation: 66-34=32, Resulting Numbers: [32] 32,100 unequal: No Solution Exploring Operation: 34*66=2244, Resulting Numbers: [2244] 2244,100 unequal: No Solution Exploring Operation: 34+66=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[39, 29, 37, 73], Operations: [] Exploring Operation: 73-39=34, Resulting Numbers: [29, 37, 34] Generated Node #0,0: 100:[29, 37, 34] Operation: 73-39=34 Moving to Node #0,0 Current State: 100:[29, 37, 34], Operations: ['73-39=34'] Exploring Operation: 29+37=66, Resulting Numbers: [34, 66] Generated Node #0,0,3: 100:[34, 66] Operation: 29+37=66 Moving to Node #0,0,3 Current State: 100:[34, 66], Operations: ['73-39=34', '29+37=66'] Exploring Operation: 34+66=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_4
sum_heuristic
[ 60, 94, 41, 12 ]
58
[ "60/12=5", "94-41=53", "5+53=58" ]
Current State: 58:[60, 94, 41, 12], Operations: [] Exploring Operation: 60/12=5, Resulting Numbers: [94, 41, 5] Generated Node #2: [94, 41, 5] from Operation: 60/12=5 Current State: 58:[94, 41, 5], Operations: ['60/12=5'] Exploring Operation: 94-41=53, Resulting Numbers: [5, 53] Generated Node #3: [5, 53] from Operation: 94-41=53 Current State: 58:[5, 53], Operations: ['60/12=5', '94-41=53'] Exploring Operation: 5+53=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[60, 94, 41, 12], Operations: [] Exploring Operation: 94-60=34, Resulting Numbers: [41, 12, 34] Generated Node #0,0: 58:[41, 12, 34] Operation: 94-60=34 Exploring Operation: 41-12=29, Resulting Numbers: [60, 94, 29] Generated Node #0,1: 58:[60, 94, 29] Operation: 41-12=29 Exploring Operation: 94-41=53, Resulting Numbers: [60, 12, 53] Generated Node #0,2: 58:[60, 12, 53] Operation: 94-41=53 Exploring Operation: 94-12=82, Resulting Numbers: [60, 41, 82] Generated Node #0,3: 58:[60, 41, 82] Operation: 94-12=82 Moving to Node #0,2 Current State: 58:[60, 12, 53], Operations: ['94-41=53'] Exploring Operation: 60/12=5, Resulting Numbers: [53, 5] Generated Node #0,2,0: 58:[53, 5] Operation: 60/12=5 Exploring Operation: 12+53=65, Resulting Numbers: [60, 65] Generated Node #0,2,1: 58:[60, 65] Operation: 12+53=65 Exploring Operation: 60-12=48, Resulting Numbers: [53, 48] Generated Node #0,2,2: 58:[53, 48] Operation: 60-12=48 Exploring Operation: 53-12=41, Resulting Numbers: [60, 41] Generated Node #0,2,3: 58:[60, 41] Operation: 53-12=41 Moving to Node #0,0 Current State: 58:[41, 12, 34], Operations: ['94-60=34'] Exploring Operation: 34-12=22, Resulting Numbers: [41, 22] Generated Node #0,0,0: 58:[41, 22] Operation: 34-12=22 Exploring Operation: 41-34=7, Resulting Numbers: [12, 7] Generated Node #0,0,1: 58:[12, 7] Operation: 41-34=7 Exploring Operation: 41-12=29, Resulting Numbers: [34, 29] Generated Node #0,0,2: 58:[34, 29] Operation: 41-12=29 Exploring Operation: 41+12=53, Resulting Numbers: [34, 53] Generated Node #0,0,3: 58:[34, 53] Operation: 41+12=53 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 58:[34, 29], Operations: ['94-60=34', '41-12=29'] Exploring Operation: 34+29=63, Resulting Numbers: [63] 63,58 unequal: No Solution Exploring Operation: 34-29=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 34*29=986, Resulting Numbers: [986] 986,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 58:[34, 53], Operations: ['94-60=34', '41+12=53'] Exploring Operation: 34+53=87, Resulting Numbers: [87] 87,58 unequal: No Solution Exploring Operation: 34*53=1802, Resulting Numbers: [1802] 1802,58 unequal: No Solution Exploring Operation: 53-34=19, Resulting Numbers: [19] 19,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[12, 7], Operations: ['94-60=34', '41-34=7'] Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,58 unequal: No Solution Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,58 unequal: No Solution Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[41, 22], Operations: ['94-60=34', '34-12=22'] Exploring Operation: 41*22=902, Resulting Numbers: [902] 902,58 unequal: No Solution Exploring Operation: 41-22=19, Resulting Numbers: [19] 19,58 unequal: No Solution Exploring Operation: 41+22=63, Resulting Numbers: [63] 63,58 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: 58:[60, 41, 82], Operations: ['94-12=82'] Exploring Operation: 82-41=41, Resulting Numbers: [60, 41] Generated Node #0,3,0: 58:[60, 41] Operation: 82-41=41 Exploring Operation: 82/41=2, Resulting Numbers: [60, 2] Generated Node #0,3,1: 58:[60, 2] Operation: 82/41=2 Exploring Operation: 60-41=19, Resulting Numbers: [82, 19] Generated Node #0,3,2: 58:[82, 19] Operation: 60-41=19 Exploring Operation: 82-60=22, Resulting Numbers: [41, 22] Generated Node #0,3,3: 58:[41, 22] Operation: 82-60=22 Moving to Node #0,1 Current State: 58:[60, 94, 29], Operations: ['41-12=29'] Exploring Operation: 60+29=89, Resulting Numbers: [94, 89] Generated Node #0,1,0: 58:[94, 89] Operation: 60+29=89 Exploring Operation: 94-29=65, Resulting Numbers: [60, 65] Generated Node #0,1,1: 58:[60, 65] Operation: 94-29=65 Exploring Operation: 94-60=34, Resulting Numbers: [29, 34] Generated Node #0,1,2: 58:[29, 34] Operation: 94-60=34 Exploring Operation: 60-29=31, Resulting Numbers: [94, 31] Generated Node #0,1,3: 58:[94, 31] Operation: 60-29=31 Moving to Node #0,3,1 Current State: 58:[60, 2], Operations: ['94-12=82', '82/41=2'] Exploring Operation: 60*2=120, Resulting Numbers: [120] 120,58 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,58 unequal: No Solution Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,58 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[60, 94, 41, 12], Operations: [] Exploring Operation: 94-12=82, Resulting Numbers: [60, 41, 82] Generated Node #0,3: 58:[60, 41, 82] Operation: 94-12=82 Moving to Node #0,3 Current State: 58:[60, 41, 82], Operations: ['94-12=82'] Exploring Operation: 82/41=2, Resulting Numbers: [60, 2] Generated Node #0,3,1: 58:[60, 2] Operation: 82/41=2 Moving to Node #0,3,1 Current State: 58:[60, 2], Operations: ['94-12=82', '82/41=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.965278
hs_4
sum_heuristic
[ 11, 31, 57, 33 ]
91
[ "33/11=3", "31+57=88", "3+88=91" ]
Current State: 91:[11, 31, 57, 33], Operations: [] Exploring Operation: 33/11=3, Resulting Numbers: [31, 57, 3] Generated Node #2: [31, 57, 3] from Operation: 33/11=3 Current State: 91:[31, 57, 3], Operations: ['33/11=3'] Exploring Operation: 31+57=88, Resulting Numbers: [3, 88] Generated Node #3: [3, 88] from Operation: 31+57=88 Current State: 91:[3, 88], Operations: ['33/11=3', '31+57=88'] Exploring Operation: 3+88=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[11, 31, 57, 33], Operations: [] Exploring Operation: 31+57=88, Resulting Numbers: [11, 33, 88] Generated Node #0,0: 91:[11, 33, 88] Operation: 31+57=88 Exploring Operation: 57-33=24, Resulting Numbers: [11, 31, 24] Generated Node #0,1: 91:[11, 31, 24] Operation: 57-33=24 Exploring Operation: 57+33=90, Resulting Numbers: [11, 31, 90] Generated Node #0,2: 91:[11, 31, 90] Operation: 57+33=90 Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[11, 31, 90], Operations: ['57+33=90'] Exploring Operation: 31-11=20, Resulting Numbers: [90, 20] Generated Node #0,2,0: 91:[90, 20] Operation: 31-11=20 Exploring Operation: 11+31=42, Resulting Numbers: [90, 42] Generated Node #0,2,1: 91:[90, 42] Operation: 11+31=42 Exploring Operation: 11+90=101, Resulting Numbers: [31, 101] Generated Node #0,2,2: 91:[31, 101] Operation: 11+90=101 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 91:[90, 20], Operations: ['57+33=90', '31-11=20'] Exploring Operation: 90*20=1800, Resulting Numbers: [1800] 1800,91 unequal: No Solution Exploring Operation: 90+20=110, Resulting Numbers: [110] 110,91 unequal: No Solution Exploring Operation: 90-20=70, Resulting Numbers: [70] 70,91 unequal: No Solution No 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: 91:[31, 101], Operations: ['57+33=90', '11+90=101'] Exploring Operation: 31*101=3131, Resulting Numbers: [3131] 3131,91 unequal: No Solution Exploring Operation: 101-31=70, Resulting Numbers: [70] 70,91 unequal: No Solution Exploring Operation: 31+101=132, Resulting Numbers: [132] 132,91 unequal: No Solution No 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: 91:[90, 42], Operations: ['57+33=90', '11+31=42'] Exploring Operation: 90+42=132, Resulting Numbers: [132] 132,91 unequal: No Solution Exploring Operation: 90*42=3780, Resulting Numbers: [3780] 3780,91 unequal: No Solution Exploring Operation: 90-42=48, Resulting Numbers: [48] 48,91 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: 91:[11, 33, 88], Operations: ['31+57=88'] Exploring Operation: 88/11=8, Resulting Numbers: [33, 8] Generated Node #0,0,0: 91:[33, 8] Operation: 88/11=8 Exploring Operation: 33/11=3, Resulting Numbers: [88, 3] Generated Node #0,0,1: 91:[88, 3] Operation: 33/11=3 Exploring Operation: 33-11=22, Resulting Numbers: [88, 22] Generated Node #0,0,2: 91:[88, 22] Operation: 33-11=22 Moving to Node #0,0,1 Current State: 91:[88, 3], Operations: ['31+57=88', '33/11=3'] Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,91 unequal: No Solution Exploring Operation: 88*3=264, Resulting Numbers: [264] 264,91 unequal: No Solution Exploring Operation: 88+3=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[11, 31, 57, 33], Operations: [] Exploring Operation: 31+57=88, Resulting Numbers: [11, 33, 88] Generated Node #0,0: 91:[11, 33, 88] Operation: 31+57=88 Moving to Node #0,0 Current State: 91:[11, 33, 88], Operations: ['31+57=88'] Exploring Operation: 33/11=3, Resulting Numbers: [88, 3] Generated Node #0,0,1: 91:[88, 3] Operation: 33/11=3 Moving to Node #0,0,1 Current State: 91:[88, 3], Operations: ['31+57=88', '33/11=3'] Exploring Operation: 88+3=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
sum_heuristic
[ 67, 91, 22, 97 ]
65
[ "97-91=6", "22*6=132", "132-67=65" ]
Current State: 65:[67, 91, 22, 97], Operations: [] Exploring Operation: 97-91=6, Resulting Numbers: [67, 22, 6] Generated Node #2: [67, 22, 6] from Operation: 97-91=6 Current State: 65:[67, 22, 6], Operations: ['97-91=6'] Exploring Operation: 22*6=132, Resulting Numbers: [67, 132] Generated Node #3: [67, 132] from Operation: 22*6=132 Current State: 65:[67, 132], Operations: ['97-91=6', '22*6=132'] Exploring Operation: 132-67=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[67, 91, 22, 97], Operations: [] Exploring Operation: 91-22=69, Resulting Numbers: [67, 97, 69] Generated Node #0,0: 65:[67, 97, 69] Operation: 91-22=69 Exploring Operation: 97-91=6, Resulting Numbers: [67, 22, 6] Generated Node #0,1: 65:[67, 22, 6] Operation: 97-91=6 Moving to Node #0,1 Current State: 65:[67, 22, 6], Operations: ['97-91=6'] Exploring Operation: 22-6=16, Resulting Numbers: [67, 16] Generated Node #0,1,0: 65:[67, 16] Operation: 22-6=16 Exploring Operation: 67-6=61, Resulting Numbers: [22, 61] Generated Node #0,1,1: 65:[22, 61] Operation: 67-6=61 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[67, 16], Operations: ['97-91=6', '22-6=16'] Exploring Operation: 67-16=51, Resulting Numbers: [51] 51,65 unequal: No Solution Exploring Operation: 67+16=83, Resulting Numbers: [83] 83,65 unequal: No Solution No 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: 65:[22, 61], Operations: ['97-91=6', '67-6=61'] Exploring Operation: 22+61=83, Resulting Numbers: [83] 83,65 unequal: No Solution Exploring Operation: 61-22=39, Resulting Numbers: [39] 39,65 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: 65:[67, 97, 69], Operations: ['91-22=69'] Exploring Operation: 97-69=28, Resulting Numbers: [67, 28] Generated Node #0,0,0: 65:[67, 28] Operation: 97-69=28 Exploring Operation: 97-67=30, Resulting Numbers: [69, 30] Generated Node #0,0,1: 65:[69, 30] Operation: 97-67=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[67, 28], Operations: ['91-22=69', '97-69=28'] Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,65 unequal: No Solution Exploring Operation: 67+28=95, Resulting Numbers: [95] 95,65 unequal: No Solution No 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: 65:[69, 30], Operations: ['91-22=69', '97-67=30'] Exploring Operation: 69-30=39, Resulting Numbers: [39] 39,65 unequal: No Solution Exploring Operation: 69+30=99, Resulting Numbers: [99] 99,65 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
[ 49, 17, 32, 34 ]
34
[ "49-17=32", "32+34=66", "66-32=34" ]
Current State: 34:[49, 17, 32, 34], Operations: [] Exploring Operation: 49-17=32, Resulting Numbers: [32, 34, 32] Generated Node #2: [32, 34, 32] from Operation: 49-17=32 Current State: 34:[32, 34, 32], Operations: ['49-17=32'] Exploring Operation: 32+34=66, Resulting Numbers: [66] 66,34 equal: Goal Reached Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[49, 17, 32, 34], Operations: [] Exploring Operation: 49-34=15, Resulting Numbers: [17, 32, 15] Generated Node #0,0: 34:[17, 32, 15] Operation: 49-34=15 Exploring Operation: 49-17=32, Resulting Numbers: [32, 34, 32] Generated Node #0,1: 34:[32, 34, 32] Operation: 49-17=32 Exploring Operation: 49-32=17, Resulting Numbers: [17, 34, 17] Generated Node #0,2: 34:[17, 34, 17] Operation: 49-32=17 Moving to Node #0,2 Current State: 34:[17, 34, 17], Operations: ['49-32=17'] Exploring Operation: 34/17=2, Resulting Numbers: [17, 2] Generated Node #0,2,0: 34:[17, 2] Operation: 34/17=2 Exploring Operation: 17+17=34, Resulting Numbers: [34, 34] Generated Node #0,2,1: 34:[34, 34] Operation: 17+17=34 Exploring Operation: 34-17=17, Resulting Numbers: [17, 17] Generated Node #0,2,2: 34:[17, 17] Operation: 34-17=17 Moving to Node #0,0 Current State: 34:[17, 32, 15], Operations: ['49-34=15'] Exploring Operation: 32-15=17, Resulting Numbers: [17, 17] Generated Node #0,0,0: 34:[17, 17] Operation: 32-15=17 Exploring Operation: 32-17=15, Resulting Numbers: [15, 15] Generated Node #0,0,1: 34:[15, 15] Operation: 32-17=15 Exploring Operation: 17-15=2, Resulting Numbers: [32, 2] Generated Node #0,0,2: 34:[32, 2] Operation: 17-15=2 Moving to Node #0,1 Current State: 34:[32, 34, 32], Operations: ['49-17=32'] Exploring Operation: 34-32=2, Resulting Numbers: [32, 2] Generated Node #0,1,0: 34:[32, 2] Operation: 34-32=2 Exploring Operation: 32/32=1, Resulting Numbers: [34, 1] Generated Node #0,1,1: 34:[34, 1] Operation: 32/32=1 Exploring Operation: 32-32=0, Resulting Numbers: [34, 0] Generated Node #0,1,2: 34:[34, 0] Operation: 32-32=0 Moving to Node #0,2,0 Current State: 34:[17, 2], Operations: ['49-32=17', '34/17=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[49, 17, 32, 34], Operations: [] Exploring Operation: 49-32=17, Resulting Numbers: [17, 34, 17] Generated Node #0,2: 34:[17, 34, 17] Operation: 49-32=17 Moving to Node #0,2 Current State: 34:[17, 34, 17], Operations: ['49-32=17'] Exploring Operation: 34/17=2, Resulting Numbers: [17, 2] Generated Node #0,2,0: 34:[17, 2] Operation: 34/17=2 Moving to Node #0,2,0 Current State: 34:[17, 2], Operations: ['49-32=17', '34/17=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
0.985243
hs_3
sum_heuristic
[ 12, 58, 44, 82 ]
62
[ "44*82=3608", "3608-12=3596", "3596/58=62" ]
Current State: 62:[12, 58, 44, 82], Operations: [] Exploring Operation: 44*82=3608, Resulting Numbers: [12, 58, 3608] Generated Node #2: [12, 58, 3608] from Operation: 44*82=3608 Current State: 62:[12, 58, 3608], Operations: ['44*82=3608'] Exploring Operation: 3608-12=3596, Resulting Numbers: [58, 3596] Generated Node #3: [58, 3596] from Operation: 3608-12=3596 Current State: 62:[58, 3596], Operations: ['44*82=3608', '3608-12=3596'] Exploring Operation: 3596/58=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[12, 58, 44, 82], Operations: [] Exploring Operation: 82-44=38, Resulting Numbers: [12, 58, 38] Generated Node #0,0: 62:[12, 58, 38] Operation: 82-44=38 Moving to Node #0,0 Current State: 62:[12, 58, 38], Operations: ['82-44=38'] Exploring Operation: 38-12=26, Resulting Numbers: [58, 26] Generated Node #0,0,0: 62:[58, 26] Operation: 38-12=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[58, 26], Operations: ['82-44=38', '38-12=26'] Exploring Operation: 58-26=32, Resulting Numbers: [32] 32,62 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
[ 22, 8, 69, 69 ]
38
[ "22*8=176", "69+69=138", "176-138=38" ]
Current State: 38:[22, 8, 69, 69], Operations: [] Exploring Operation: 22*8=176, Resulting Numbers: [69, 69, 176] Generated Node #2: [69, 69, 176] from Operation: 22*8=176 Current State: 38:[69, 69, 176], Operations: ['22*8=176'] Exploring Operation: 69+69=138, Resulting Numbers: [176, 138] Generated Node #3: [176, 138] from Operation: 69+69=138 Current State: 38:[176, 138], Operations: ['22*8=176', '69+69=138'] Exploring Operation: 176-138=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[22, 8, 69, 69], Operations: [] Exploring Operation: 69-69=0, Resulting Numbers: [22, 8, 0] Generated Node #0,0: 38:[22, 8, 0] Operation: 69-69=0 Exploring Operation: 69/69=1, Resulting Numbers: [22, 8, 1] Generated Node #0,1: 38:[22, 8, 1] Operation: 69/69=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[22, 8, 1], Operations: ['69/69=1'] Exploring Operation: 22-1=21, Resulting Numbers: [8, 21] Generated Node #0,1,0: 38:[8, 21] Operation: 22-1=21 Exploring Operation: 22-8=14, Resulting Numbers: [1, 14] Generated Node #0,1,1: 38:[1, 14] Operation: 22-8=14 Moving to Node #0,1,1 Current State: 38:[1, 14], Operations: ['69/69=1', '22-8=14'] Exploring Operation: 1+14=15, Resulting Numbers: [15] 15,38 unequal: No Solution Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[8, 21], Operations: ['69/69=1', '22-1=21'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,38 unequal: No Solution Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,38 unequal: No Solution No 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: 38:[22, 8, 0], Operations: ['69-69=0'] Exploring Operation: 22-8=14, Resulting Numbers: [0, 14] Generated Node #0,0,0: 38:[0, 14] Operation: 22-8=14 Exploring Operation: 8*0=0, Resulting Numbers: [22, 0] Generated Node #0,0,1: 38:[22, 0] Operation: 8*0=0 Moving to Node #0,0,1 Current State: 38:[22, 0], Operations: ['69-69=0', '8*0=0'] Exploring Operation: 22*0=0, Resulting Numbers: [0] 0,38 unequal: No Solution Exploring Operation: 22+0=22, Resulting Numbers: [22] 22,38 unequal: No Solution Moving to Node #0,0,0 Current State: 38:[0, 14], Operations: ['69-69=0', '22-8=14'] Exploring Operation: 0+14=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 0*14=0, Resulting Numbers: [0] 0,38 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
[ 63, 3, 1, 49 ]
41
[ "63-49=14", "3*14=42", "42-1=41" ]
Current State: 41:[63, 3, 1, 49], Operations: [] Exploring Operation: 63-49=14, Resulting Numbers: [3, 1, 14] Generated Node #2: [3, 1, 14] from Operation: 63-49=14 Current State: 41:[3, 1, 14], Operations: ['63-49=14'] Exploring Operation: 3*14=42, Resulting Numbers: [1, 42] Generated Node #3: [1, 42] from Operation: 3*14=42 Current State: 41:[1, 42], Operations: ['63-49=14', '3*14=42'] Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[63, 3, 1, 49], Operations: [] Exploring Operation: 63-1=62, Resulting Numbers: [3, 49, 62] Generated Node #0,0: 41:[3, 49, 62] Operation: 63-1=62 Exploring Operation: 63-3=60, Resulting Numbers: [1, 49, 60] Generated Node #0,1: 41:[1, 49, 60] Operation: 63-3=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[3, 49, 62], Operations: ['63-1=62'] Exploring Operation: 49-3=46, Resulting Numbers: [62, 46] Generated Node #0,0,0: 41:[62, 46] Operation: 49-3=46 Exploring Operation: 62-3=59, Resulting Numbers: [49, 59] Generated Node #0,0,1: 41:[49, 59] Operation: 62-3=59 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[62, 46], Operations: ['63-1=62', '49-3=46'] Exploring Operation: 62-46=16, Resulting Numbers: [16] 16,41 unequal: No Solution Exploring Operation: 62+46=108, Resulting Numbers: [108] 108,41 unequal: No Solution No 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: 41:[49, 59], Operations: ['63-1=62', '62-3=59'] Exploring Operation: 49+59=108, Resulting Numbers: [108] 108,41 unequal: No Solution Exploring Operation: 59-49=10, Resulting Numbers: [10] 10,41 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: 41:[1, 49, 60], Operations: ['63-3=60'] Exploring Operation: 49-1=48, Resulting Numbers: [60, 48] Generated Node #0,1,0: 41:[60, 48] Operation: 49-1=48 Exploring Operation: 60-1=59, Resulting Numbers: [49, 59] Generated Node #0,1,1: 41:[49, 59] Operation: 60-1=59 Moving to Node #0,1,0 Current State: 41:[60, 48], Operations: ['63-3=60', '49-1=48'] Exploring Operation: 60+48=108, Resulting Numbers: [108] 108,41 unequal: No Solution Exploring Operation: 60-48=12, Resulting Numbers: [12] 12,41 unequal: No Solution Moving to Node #0,1,1 Current State: 41:[49, 59], Operations: ['63-3=60', '60-1=59'] Exploring Operation: 49+59=108, Resulting Numbers: [108] 108,41 unequal: No Solution Exploring Operation: 59-49=10, Resulting Numbers: [10] 10,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 6, 76, 41, 75 ]
36
[ "76-6=70", "75-41=34", "70-34=36" ]
Current State: 36:[6, 76, 41, 75], Operations: [] Exploring Operation: 76-6=70, Resulting Numbers: [41, 75, 70] Generated Node #2: [41, 75, 70] from Operation: 76-6=70 Current State: 36:[41, 75, 70], Operations: ['76-6=70'] Exploring Operation: 75-41=34, Resulting Numbers: [70, 34] Generated Node #3: [70, 34] from Operation: 75-41=34 Current State: 36:[70, 34], Operations: ['76-6=70', '75-41=34'] Exploring Operation: 70-34=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[6, 76, 41, 75], Operations: [] Exploring Operation: 75-41=34, Resulting Numbers: [6, 76, 34] Generated Node #0,0: 36:[6, 76, 34] Operation: 75-41=34 Exploring Operation: 76-6=70, Resulting Numbers: [41, 75, 70] Generated Node #0,1: 36:[41, 75, 70] Operation: 76-6=70 Exploring Operation: 76-41=35, Resulting Numbers: [6, 75, 35] Generated Node #0,2: 36:[6, 75, 35] Operation: 76-41=35 Exploring Operation: 75-6=69, Resulting Numbers: [76, 41, 69] Generated Node #0,3: 36:[76, 41, 69] Operation: 75-6=69 Exploring Operation: 76-75=1, Resulting Numbers: [6, 41, 1] Generated Node #0,4: 36:[6, 41, 1] Operation: 76-75=1 Start Sub Search at level 1: Moving to Node #0,4 Current State: 36:[6, 41, 1], Operations: ['76-75=1'] Exploring Operation: 41-1=40, Resulting Numbers: [6, 40] Generated Node #0,4,0: 36:[6, 40] Operation: 41-1=40 Exploring Operation: 6/1=6, Resulting Numbers: [41, 6] Generated Node #0,4,1: 36:[41, 6] Operation: 6/1=6 Exploring Operation: 41-6=35, Resulting Numbers: [1, 35] Generated Node #0,4,2: 36:[1, 35] Operation: 41-6=35 Exploring Operation: 41*1=41, Resulting Numbers: [6, 41] Generated Node #0,4,3: 36:[6, 41] Operation: 41*1=41 Exploring Operation: 6*1=6, Resulting Numbers: [41, 6] Generated Node #0,4,4: 36:[41, 6] Operation: 6*1=6 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 36:[1, 35], Operations: ['76-75=1', '41-6=35'] Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,36 unequal: No Solution Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,36 unequal: No Solution Exploring Operation: 1+35=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[6, 76, 41, 75], Operations: [] Exploring Operation: 76-75=1, Resulting Numbers: [6, 41, 1] Generated Node #0,4: 36:[6, 41, 1] Operation: 76-75=1 Moving to Node #0,4 Current State: 36:[6, 41, 1], Operations: ['76-75=1'] Exploring Operation: 41-6=35, Resulting Numbers: [1, 35] Generated Node #0,4,2: 36:[1, 35] Operation: 41-6=35 Moving to Node #0,4,2 Current State: 36:[1, 35], Operations: ['76-75=1', '41-6=35'] Exploring Operation: 1+35=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 11, 61, 5, 34 ]
11
[ "61-11=50", "5+34=39", "50-39=11" ]
Current State: 11:[11, 61, 5, 34], Operations: [] Exploring Operation: 61-11=50, Resulting Numbers: [5, 34, 50] Generated Node #2: [5, 34, 50] from Operation: 61-11=50 Current State: 11:[5, 34, 50], Operations: ['61-11=50'] Exploring Operation: 5+34=39, Resulting Numbers: [50, 39] Generated Node #3: [50, 39] from Operation: 5+34=39 Current State: 11:[50, 39], Operations: ['61-11=50', '5+34=39'] Exploring Operation: 50-39=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[11, 61, 5, 34], Operations: [] Exploring Operation: 61-34=27, Resulting Numbers: [11, 5, 27] Generated Node #0,0: 11:[11, 5, 27] Operation: 61-34=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[11, 5, 27], Operations: ['61-34=27'] Exploring Operation: 27-11=16, Resulting Numbers: [5, 16] Generated Node #0,0,0: 11:[5, 16] Operation: 27-11=16 Moving to Node #0,0,0 Current State: 11:[5, 16], Operations: ['61-34=27', '27-11=16'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[11, 61, 5, 34], Operations: [] Exploring Operation: 61-34=27, Resulting Numbers: [11, 5, 27] Generated Node #0,0: 11:[11, 5, 27] Operation: 61-34=27 Moving to Node #0,0 Current State: 11:[11, 5, 27], Operations: ['61-34=27'] Exploring Operation: 27-11=16, Resulting Numbers: [5, 16] Generated Node #0,0,0: 11:[5, 16] Operation: 27-11=16 Moving to Node #0,0,0 Current State: 11:[5, 16], Operations: ['61-34=27', '27-11=16'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 8, 3, 16, 81 ]
13
[ "8-3=5", "81-16=65", "65/5=13" ]
Current State: 13:[8, 3, 16, 81], Operations: [] Exploring Operation: 8-3=5, Resulting Numbers: [16, 81, 5] Generated Node #2: [16, 81, 5] from Operation: 8-3=5 Current State: 13:[16, 81, 5], Operations: ['8-3=5'] Exploring Operation: 81-16=65, Resulting Numbers: [5, 65] Generated Node #3: [5, 65] from Operation: 81-16=65 Current State: 13:[5, 65], Operations: ['8-3=5', '81-16=65'] Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[8, 3, 16, 81], Operations: [] Exploring Operation: 81-16=65, Resulting Numbers: [8, 3, 65] Generated Node #0,0: 13:[8, 3, 65] Operation: 81-16=65 Exploring Operation: 81/3=27, Resulting Numbers: [8, 16, 27] Generated Node #0,1: 13:[8, 16, 27] Operation: 81/3=27 Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[8, 16, 27], Operations: ['81/3=27'] Exploring Operation: 27-8=19, Resulting Numbers: [16, 19] Generated Node #0,1,0: 13:[16, 19] Operation: 27-8=19 Exploring Operation: 27-16=11, Resulting Numbers: [8, 11] Generated Node #0,1,1: 13:[8, 11] Operation: 27-16=11 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 13:[8, 11], Operations: ['81/3=27', '27-16=11'] Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,13 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,13 unequal: No Solution No 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: 13:[16, 19], Operations: ['81/3=27', '27-8=19'] Exploring Operation: 16+19=35, Resulting Numbers: [35] 35,13 unequal: No Solution Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,13 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: 13:[8, 3, 65], Operations: ['81-16=65'] Exploring Operation: 65-8=57, Resulting Numbers: [3, 57] Generated Node #0,0,0: 13:[3, 57] Operation: 65-8=57 Exploring Operation: 8+3=11, Resulting Numbers: [65, 11] Generated Node #0,0,1: 13:[65, 11] Operation: 8+3=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[3, 57], Operations: ['81-16=65', '65-8=57'] Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,13 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,13 unequal: No Solution No 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: 13:[65, 11], Operations: ['81-16=65', '8+3=11'] Exploring Operation: 65+11=76, Resulting Numbers: [76] 76,13 unequal: No Solution Exploring Operation: 65-11=54, Resulting Numbers: [54] 54,13 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
[ 48, 27, 28, 14 ]
98
[ "48-27=21", "28-21=7", "14*7=98" ]
Current State: 98:[48, 27, 28, 14], Operations: [] Exploring Operation: 48-27=21, Resulting Numbers: [28, 14, 21] Generated Node #2: [28, 14, 21] from Operation: 48-27=21 Current State: 98:[28, 14, 21], Operations: ['48-27=21'] Exploring Operation: 28-21=7, Resulting Numbers: [14, 7] Generated Node #3: [14, 7] from Operation: 28-21=7 Current State: 98:[14, 7], Operations: ['48-27=21', '28-21=7'] Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[48, 27, 28, 14], Operations: [] Exploring Operation: 28-14=14, Resulting Numbers: [48, 27, 14] Generated Node #0,0: 98:[48, 27, 14] Operation: 28-14=14 Exploring Operation: 27+28=55, Resulting Numbers: [48, 14, 55] Generated Node #0,1: 98:[48, 14, 55] Operation: 27+28=55 Exploring Operation: 28-27=1, Resulting Numbers: [48, 14, 1] Generated Node #0,2: 98:[48, 14, 1] Operation: 28-27=1 Exploring Operation: 28/14=2, Resulting Numbers: [48, 27, 2] Generated Node #0,3: 98:[48, 27, 2] Operation: 28/14=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[48, 14, 1], Operations: ['28-27=1'] Exploring Operation: 14*1=14, Resulting Numbers: [48, 14] Generated Node #0,2,0: 98:[48, 14] Operation: 14*1=14 Exploring Operation: 48/1=48, Resulting Numbers: [14, 48] Generated Node #0,2,1: 98:[14, 48] Operation: 48/1=48 Exploring Operation: 48*1=48, Resulting Numbers: [14, 48] Generated Node #0,2,2: 98:[14, 48] Operation: 48*1=48 Exploring Operation: 48+1=49, Resulting Numbers: [14, 49] Generated Node #0,2,3: 98:[14, 49] Operation: 48+1=49 Moving to Node #0,2,3 Current State: 98:[14, 49], Operations: ['28-27=1', '48+1=49'] Exploring Operation: 14+49=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 14*49=686, Resulting Numbers: [686] 686,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[14, 48], Operations: ['28-27=1', '48/1=48'] Exploring Operation: 14*48=672, Resulting Numbers: [672] 672,98 unequal: No Solution Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,98 unequal: No Solution Exploring Operation: 14+48=62, Resulting Numbers: [62] 62,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[48, 14], Operations: ['28-27=1', '14*1=14'] Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,98 unequal: No Solution Exploring Operation: 48+14=62, Resulting Numbers: [62] 62,98 unequal: No Solution Exploring Operation: 48*14=672, Resulting Numbers: [672] 672,98 unequal: No Solution Moving to Node #0,2,2 Current State: 98:[14, 48], Operations: ['28-27=1', '48*1=48'] Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,98 unequal: No Solution Exploring Operation: 14+48=62, Resulting Numbers: [62] 62,98 unequal: No Solution Exploring Operation: 14*48=672, Resulting Numbers: [672] 672,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[48, 14, 55], Operations: ['27+28=55'] Exploring Operation: 48+55=103, Resulting Numbers: [14, 103] Generated Node #0,1,0: 98:[14, 103] Operation: 48+55=103 Exploring Operation: 55-14=41, Resulting Numbers: [48, 41] Generated Node #0,1,1: 98:[48, 41] Operation: 55-14=41 Exploring Operation: 55-48=7, Resulting Numbers: [14, 7] Generated Node #0,1,2: 98:[14, 7] Operation: 55-48=7 Exploring Operation: 48+14=62, Resulting Numbers: [55, 62] Generated Node #0,1,3: 98:[55, 62] Operation: 48+14=62 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[14, 7], Operations: ['27+28=55', '55-48=7'] Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[48, 27, 28, 14], Operations: [] Exploring Operation: 27+28=55, Resulting Numbers: [48, 14, 55] Generated Node #0,1: 98:[48, 14, 55] Operation: 27+28=55 Moving to Node #0,1 Current State: 98:[48, 14, 55], Operations: ['27+28=55'] Exploring Operation: 55-48=7, Resulting Numbers: [14, 7] Generated Node #0,1,2: 98:[14, 7] Operation: 55-48=7 Moving to Node #0,1,2 Current State: 98:[14, 7], Operations: ['27+28=55', '55-48=7'] Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.974826
hs_4
sum_heuristic
[ 65, 83, 64, 70 ]
14
[ "65+83=148", "64+70=134", "148-134=14" ]
Current State: 14:[65, 83, 64, 70], Operations: [] Exploring Operation: 65+83=148, Resulting Numbers: [64, 70, 148] Generated Node #2: [64, 70, 148] from Operation: 65+83=148 Current State: 14:[64, 70, 148], Operations: ['65+83=148'] Exploring Operation: 64+70=134, Resulting Numbers: [148, 134] Generated Node #3: [148, 134] from Operation: 64+70=134 Current State: 14:[148, 134], Operations: ['65+83=148', '64+70=134'] Exploring Operation: 148-134=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[65, 83, 64, 70], Operations: [] Exploring Operation: 83-64=19, Resulting Numbers: [65, 70, 19] Generated Node #0,0: 14:[65, 70, 19] Operation: 83-64=19 Exploring Operation: 83-65=18, Resulting Numbers: [64, 70, 18] Generated Node #0,1: 14:[64, 70, 18] Operation: 83-65=18 Exploring Operation: 83-70=13, Resulting Numbers: [65, 64, 13] Generated Node #0,2: 14:[65, 64, 13] Operation: 83-70=13 Exploring Operation: 70-65=5, Resulting Numbers: [83, 64, 5] Generated Node #0,3: 14:[83, 64, 5] Operation: 70-65=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 14:[65, 64, 13], Operations: ['83-70=13'] Exploring Operation: 64-13=51, Resulting Numbers: [65, 51] Generated Node #0,2,0: 14:[65, 51] Operation: 64-13=51 Exploring Operation: 65-13=52, Resulting Numbers: [64, 52] Generated Node #0,2,1: 14:[64, 52] Operation: 65-13=52 Exploring Operation: 65/13=5, Resulting Numbers: [64, 5] Generated Node #0,2,2: 14:[64, 5] Operation: 65/13=5 Exploring Operation: 65-64=1, Resulting Numbers: [13, 1] Generated Node #0,2,3: 14:[13, 1] Operation: 65-64=1 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 14:[13, 1], Operations: ['83-70=13', '65-64=1'] Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,14 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,14 unequal: No Solution Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[65, 83, 64, 70], Operations: [] Exploring Operation: 83-70=13, Resulting Numbers: [65, 64, 13] Generated Node #0,2: 14:[65, 64, 13] Operation: 83-70=13 Moving to Node #0,2 Current State: 14:[65, 64, 13], Operations: ['83-70=13'] Exploring Operation: 65-64=1, Resulting Numbers: [13, 1] Generated Node #0,2,3: 14:[13, 1] Operation: 65-64=1 Moving to Node #0,2,3 Current State: 14:[13, 1], Operations: ['83-70=13', '65-64=1'] Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 21, 84, 12, 3 ]
14
[ "21-12=9", "9-3=6", "84/6=14" ]
Current State: 14:[21, 84, 12, 3], Operations: [] Exploring Operation: 21-12=9, Resulting Numbers: [84, 3, 9] Generated Node #2: [84, 3, 9] from Operation: 21-12=9 Current State: 14:[84, 3, 9], Operations: ['21-12=9'] Exploring Operation: 9-3=6, Resulting Numbers: [84, 6] Generated Node #3: [84, 6] from Operation: 9-3=6 Current State: 14:[84, 6], Operations: ['21-12=9', '9-3=6'] Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[21, 84, 12, 3], Operations: [] Exploring Operation: 84/12=7, Resulting Numbers: [21, 3, 7] Generated Node #0,0: 14:[21, 3, 7] Operation: 84/12=7 Exploring Operation: 84-21=63, Resulting Numbers: [12, 3, 63] Generated Node #0,1: 14:[12, 3, 63] Operation: 84-21=63 Exploring Operation: 84-12=72, Resulting Numbers: [21, 3, 72] Generated Node #0,2: 14:[21, 3, 72] Operation: 84-12=72 Exploring Operation: 84/3=28, Resulting Numbers: [21, 12, 28] Generated Node #0,3: 14:[21, 12, 28] Operation: 84/3=28 Exploring Operation: 84/21=4, Resulting Numbers: [12, 3, 4] Generated Node #0,4: 14:[12, 3, 4] Operation: 84/21=4 Start Sub Search at level 1: Moving to Node #0,4 Current State: 14:[12, 3, 4], Operations: ['84/21=4'] Exploring Operation: 12+3=15, Resulting Numbers: [4, 15] Generated Node #0,4,0: 14:[4, 15] Operation: 12+3=15 Exploring Operation: 12/4=3, Resulting Numbers: [3, 3] Generated Node #0,4,1: 14:[3, 3] Operation: 12/4=3 Exploring Operation: 12+4=16, Resulting Numbers: [3, 16] Generated Node #0,4,2: 14:[3, 16] Operation: 12+4=16 Exploring Operation: 12-4=8, Resulting Numbers: [3, 8] Generated Node #0,4,3: 14:[3, 8] Operation: 12-4=8 Exploring Operation: 3+4=7, Resulting Numbers: [12, 7] Generated Node #0,4,4: 14:[12, 7] Operation: 3+4=7 Moving to Node #0,4,1 Current State: 14:[3, 3], Operations: ['84/21=4', '12/4=3'] Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,14 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,14 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,14 unequal: No Solution Moving to Node #0,4,4 Current State: 14:[12, 7], Operations: ['84/21=4', '3+4=7'] Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,14 unequal: No Solution Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,14 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,14 unequal: No Solution Moving to Node #0,4,3 Current State: 14:[3, 8], Operations: ['84/21=4', '12-4=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,14 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,14 unequal: No Solution Moving to Node #0,4,0 Current State: 14:[4, 15], Operations: ['84/21=4', '12+3=15'] Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,14 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,14 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,14 unequal: No Solution Moving to Node #0,4,2 Current State: 14:[3, 16], Operations: ['84/21=4', '12+4=16'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,14 unequal: No Solution Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,14 unequal: No Solution Exploring Operation: 3+16=19, Resulting Numbers: [19] 19,14 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:[21, 3, 7], Operations: ['84/12=7'] Exploring Operation: 21-7=14, Resulting Numbers: [3, 14] Generated Node #0,0,0: 14:[3, 14] Operation: 21-7=14 Exploring Operation: 21/3=7, Resulting Numbers: [7, 7] Generated Node #0,0,1: 14:[7, 7] Operation: 21/3=7 Exploring Operation: 7-3=4, Resulting Numbers: [21, 4] Generated Node #0,0,2: 14:[21, 4] Operation: 7-3=4 Exploring Operation: 21-3=18, Resulting Numbers: [7, 18] Generated Node #0,0,3: 14:[7, 18] Operation: 21-3=18 Exploring Operation: 21/7=3, Resulting Numbers: [3, 3] Generated Node #0,0,4: 14:[3, 3] Operation: 21/7=3 Moving to Node #0,0,1 Current State: 14:[7, 7], Operations: ['84/12=7', '21/3=7'] Exploring Operation: 7-7=0, Resulting Numbers: [0] 0,14 unequal: No Solution Exploring Operation: 7+7=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[21, 84, 12, 3], Operations: [] Exploring Operation: 84/12=7, Resulting Numbers: [21, 3, 7] Generated Node #0,0: 14:[21, 3, 7] Operation: 84/12=7 Moving to Node #0,0 Current State: 14:[21, 3, 7], Operations: ['84/12=7'] Exploring Operation: 21/3=7, Resulting Numbers: [7, 7] Generated Node #0,0,1: 14:[7, 7] Operation: 21/3=7 Moving to Node #0,0,1 Current State: 14:[7, 7], Operations: ['84/12=7', '21/3=7'] Exploring Operation: 7+7=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 14, 16, 93, 17 ]
38
[ "16-14=2", "93-17=76", "76/2=38" ]
Current State: 38:[14, 16, 93, 17], Operations: [] Exploring Operation: 16-14=2, Resulting Numbers: [93, 17, 2] Generated Node #2: [93, 17, 2] from Operation: 16-14=2 Current State: 38:[93, 17, 2], Operations: ['16-14=2'] Exploring Operation: 93-17=76, Resulting Numbers: [2, 76] Generated Node #3: [2, 76] from Operation: 93-17=76 Current State: 38:[2, 76], Operations: ['16-14=2', '93-17=76'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[14, 16, 93, 17], Operations: [] Exploring Operation: 93-17=76, Resulting Numbers: [14, 16, 76] Generated Node #0,0: 38:[14, 16, 76] Operation: 93-17=76 Exploring Operation: 93-14=79, Resulting Numbers: [16, 17, 79] Generated Node #0,1: 38:[16, 17, 79] Operation: 93-14=79 Exploring Operation: 93-16=77, Resulting Numbers: [14, 17, 77] Generated Node #0,2: 38:[14, 17, 77] Operation: 93-16=77 Moving to Node #0,0 Current State: 38:[14, 16, 76], Operations: ['93-17=76'] Exploring Operation: 76-16=60, Resulting Numbers: [14, 60] Generated Node #0,0,0: 38:[14, 60] Operation: 76-16=60 Exploring Operation: 16-14=2, Resulting Numbers: [76, 2] Generated Node #0,0,1: 38:[76, 2] Operation: 16-14=2 Exploring Operation: 76-14=62, Resulting Numbers: [16, 62] Generated Node #0,0,2: 38:[16, 62] Operation: 76-14=62 Moving to Node #0,1 Current State: 38:[16, 17, 79], Operations: ['93-14=79'] Exploring Operation: 17-16=1, Resulting Numbers: [79, 1] Generated Node #0,1,0: 38:[79, 1] Operation: 17-16=1 Exploring Operation: 79-17=62, Resulting Numbers: [16, 62] Generated Node #0,1,1: 38:[16, 62] Operation: 79-17=62 Exploring Operation: 79-16=63, Resulting Numbers: [17, 63] Generated Node #0,1,2: 38:[17, 63] Operation: 79-16=63 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 38:[16, 62], Operations: ['93-14=79', '79-17=62'] Exploring Operation: 16*62=992, Resulting Numbers: [992] 992,38 unequal: No Solution Exploring Operation: 16+62=78, Resulting Numbers: [78] 78,38 unequal: No Solution Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,38 unequal: No Solution No 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: 38:[17, 63], Operations: ['93-14=79', '79-16=63'] Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,38 unequal: No Solution Exploring Operation: 17*63=1071, Resulting Numbers: [1071] 1071,38 unequal: No Solution Exploring Operation: 17+63=80, Resulting Numbers: [80] 80,38 unequal: No Solution No 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: 38:[79, 1], Operations: ['93-14=79', '17-16=1'] Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,38 unequal: No Solution Exploring Operation: 79*1=79, Resulting Numbers: [79] 79,38 unequal: No Solution Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,38 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: 38:[14, 17, 77], Operations: ['93-16=77'] Exploring Operation: 17-14=3, Resulting Numbers: [77, 3] Generated Node #0,2,0: 38:[77, 3] Operation: 17-14=3 Exploring Operation: 77-14=63, Resulting Numbers: [17, 63] Generated Node #0,2,1: 38:[17, 63] Operation: 77-14=63 Exploring Operation: 77-17=60, Resulting Numbers: [14, 60] Generated Node #0,2,2: 38:[14, 60] Operation: 77-17=60 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 38:[17, 63], Operations: ['93-16=77', '77-14=63'] Exploring Operation: 17*63=1071, Resulting Numbers: [1071] 1071,38 unequal: No Solution Exploring Operation: 63-17=46, Resulting Numbers: [46] 46,38 unequal: No Solution Exploring Operation: 17+63=80, Resulting Numbers: [80] 80,38 unequal: No Solution No 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: 38:[14, 60], Operations: ['93-16=77', '77-17=60'] Exploring Operation: 14+60=74, Resulting Numbers: [74] 74,38 unequal: No Solution Exploring Operation: 14*60=840, Resulting Numbers: [840] 840,38 unequal: No Solution Exploring Operation: 60-14=46, Resulting Numbers: [46] 46,38 unequal: No Solution No 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: 38:[77, 3], Operations: ['93-16=77', '17-14=3'] Exploring Operation: 77+3=80, Resulting Numbers: [80] 80,38 unequal: No Solution Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,38 unequal: No Solution Exploring Operation: 77*3=231, Resulting Numbers: [231] 231,38 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: 38:[14, 60], Operations: ['93-17=76', '76-16=60'] Exploring Operation: 14*60=840, Resulting Numbers: [840] 840,38 unequal: No Solution Exploring Operation: 14+60=74, Resulting Numbers: [74] 74,38 unequal: No Solution Exploring Operation: 60-14=46, Resulting Numbers: [46] 46,38 unequal: No Solution Moving to Node #0,0,2 Current State: 38:[16, 62], Operations: ['93-17=76', '76-14=62'] Exploring Operation: 16*62=992, Resulting Numbers: [992] 992,38 unequal: No Solution Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,38 unequal: No Solution Exploring Operation: 16+62=78, Resulting Numbers: [78] 78,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[76, 2], Operations: ['93-17=76', '16-14=2'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[14, 16, 93, 17], Operations: [] Exploring Operation: 93-17=76, Resulting Numbers: [14, 16, 76] Generated Node #0,0: 38:[14, 16, 76] Operation: 93-17=76 Moving to Node #0,0 Current State: 38:[14, 16, 76], Operations: ['93-17=76'] Exploring Operation: 16-14=2, Resulting Numbers: [76, 2] Generated Node #0,0,1: 38:[76, 2] Operation: 16-14=2 Moving to Node #0,0,1 Current State: 38:[76, 2], Operations: ['93-17=76', '16-14=2'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
0.96441
hs_3
sum_heuristic
[ 55, 24, 26, 20 ]
45
[ "26-24=2", "20/2=10", "55-10=45" ]
Current State: 45:[55, 24, 26, 20], Operations: [] Exploring Operation: 26-24=2, Resulting Numbers: [55, 20, 2] Generated Node #2: [55, 20, 2] from Operation: 26-24=2 Current State: 45:[55, 20, 2], Operations: ['26-24=2'] Exploring Operation: 20/2=10, Resulting Numbers: [55, 10] Generated Node #3: [55, 10] from Operation: 20/2=10 Current State: 45:[55, 10], Operations: ['26-24=2', '20/2=10'] Exploring Operation: 55-10=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[55, 24, 26, 20], Operations: [] Exploring Operation: 26-24=2, Resulting Numbers: [55, 20, 2] Generated Node #0,0: 45:[55, 20, 2] Operation: 26-24=2 Exploring Operation: 24+26=50, Resulting Numbers: [55, 20, 50] Generated Node #0,1: 45:[55, 20, 50] Operation: 24+26=50 Exploring Operation: 26+20=46, Resulting Numbers: [55, 24, 46] Generated Node #0,2: 45:[55, 24, 46] Operation: 26+20=46 Moving to Node #0,0 Current State: 45:[55, 20, 2], Operations: ['26-24=2'] Exploring Operation: 55-20=35, Resulting Numbers: [2, 35] Generated Node #0,0,0: 45:[2, 35] Operation: 55-20=35 Exploring Operation: 55-2=53, Resulting Numbers: [20, 53] Generated Node #0,0,1: 45:[20, 53] Operation: 55-2=53 Exploring Operation: 20/2=10, Resulting Numbers: [55, 10] Generated Node #0,0,2: 45:[55, 10] Operation: 20/2=10 Moving to Node #0,1 Current State: 45:[55, 20, 50], Operations: ['24+26=50'] Exploring Operation: 55-20=35, Resulting Numbers: [50, 35] Generated Node #0,1,0: 45:[50, 35] Operation: 55-20=35 Exploring Operation: 55-50=5, Resulting Numbers: [20, 5] Generated Node #0,1,1: 45:[20, 5] Operation: 55-50=5 Exploring Operation: 50-20=30, Resulting Numbers: [55, 30] Generated Node #0,1,2: 45:[55, 30] Operation: 50-20=30 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 45:[20, 5], Operations: ['24+26=50', '55-50=5'] Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,45 unequal: No Solution Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 45:[50, 35], Operations: ['24+26=50', '55-20=35'] Exploring Operation: 50*35=1750, Resulting Numbers: [1750] 1750,45 unequal: No Solution Exploring Operation: 50+35=85, Resulting Numbers: [85] 85,45 unequal: No Solution Exploring Operation: 50-35=15, Resulting Numbers: [15] 15,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 45:[55, 30], Operations: ['24+26=50', '50-20=30'] Exploring Operation: 55-30=25, Resulting Numbers: [25] 25,45 unequal: No Solution Exploring Operation: 55*30=1650, Resulting Numbers: [1650] 1650,45 unequal: No Solution Exploring Operation: 55+30=85, Resulting Numbers: [85] 85,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 45:[55, 24, 46], Operations: ['26+20=46'] Exploring Operation: 55-24=31, Resulting Numbers: [46, 31] Generated Node #0,2,0: 45:[46, 31] Operation: 55-24=31 Exploring Operation: 46-24=22, Resulting Numbers: [55, 22] Generated Node #0,2,1: 45:[55, 22] Operation: 46-24=22 Exploring Operation: 55-46=9, Resulting Numbers: [24, 9] Generated Node #0,2,2: 45:[24, 9] Operation: 55-46=9 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 45:[24, 9], Operations: ['26+20=46', '55-46=9'] Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 24*9=216, Resulting Numbers: [216] 216,45 unequal: No Solution Exploring Operation: 24+9=33, Resulting Numbers: [33] 33,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 45:[46, 31], Operations: ['26+20=46', '55-24=31'] Exploring Operation: 46-31=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 46*31=1426, Resulting Numbers: [1426] 1426,45 unequal: No Solution Exploring Operation: 46+31=77, Resulting Numbers: [77] 77,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 45:[55, 22], Operations: ['26+20=46', '46-24=22'] Exploring Operation: 55*22=1210, Resulting Numbers: [1210] 1210,45 unequal: No Solution Exploring Operation: 55-22=33, Resulting Numbers: [33] 33,45 unequal: No Solution Exploring Operation: 55+22=77, Resulting Numbers: [77] 77,45 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: 45:[2, 35], Operations: ['26-24=2', '55-20=35'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,45 unequal: No Solution Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,45 unequal: No Solution Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,45 unequal: No Solution Moving to Node #0,0,2 Current State: 45:[55, 10], Operations: ['26-24=2', '20/2=10'] Exploring Operation: 55*10=550, Resulting Numbers: [550] 550,45 unequal: No Solution Exploring Operation: 55+10=65, Resulting Numbers: [65] 65,45 unequal: No Solution Exploring Operation: 55-10=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[55, 24, 26, 20], Operations: [] Exploring Operation: 26-24=2, Resulting Numbers: [55, 20, 2] Generated Node #0,0: 45:[55, 20, 2] Operation: 26-24=2 Moving to Node #0,0 Current State: 45:[55, 20, 2], Operations: ['26-24=2'] Exploring Operation: 20/2=10, Resulting Numbers: [55, 10] Generated Node #0,0,2: 45:[55, 10] Operation: 20/2=10 Moving to Node #0,0,2 Current State: 45:[55, 10], Operations: ['26-24=2', '20/2=10'] Exploring Operation: 55-10=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
0.965278
hs_3
mult_heuristic
[ 20, 57, 19, 1 ]
10
[ "57/19=3", "3-1=2", "20/2=10" ]
Current State: 10:[20, 57, 19, 1], Operations: [] Exploring Operation: 57/19=3, Resulting Numbers: [20, 1, 3] Generated Node #2: [20, 1, 3] from Operation: 57/19=3 Current State: 10:[20, 1, 3], Operations: ['57/19=3'] Exploring Operation: 3-1=2, Resulting Numbers: [20, 2] Generated Node #3: [20, 2] from Operation: 3-1=2 Current State: 10:[20, 2], Operations: ['57/19=3', '3-1=2'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[20, 57, 19, 1], Operations: [] Exploring Operation: 57/19=3, Resulting Numbers: [20, 1, 3] Generated Node #0,0: 10:[20, 1, 3] Operation: 57/19=3 Moving to Node #0,0 Current State: 10:[20, 1, 3], Operations: ['57/19=3'] Exploring Operation: 20-3=17, Resulting Numbers: [1, 17] Generated Node #0,0,0: 10:[1, 17] Operation: 20-3=17 Moving to Node #0,0,0 Current State: 10:[1, 17], Operations: ['57/19=3', '20-3=17'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,10 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 96, 99, 43, 64 ]
65
[ "99-96=3", "43*3=129", "129-64=65" ]
Current State: 65:[96, 99, 43, 64], Operations: [] Exploring Operation: 99-96=3, Resulting Numbers: [43, 64, 3] Generated Node #2: [43, 64, 3] from Operation: 99-96=3 Current State: 65:[43, 64, 3], Operations: ['99-96=3'] Exploring Operation: 43*3=129, Resulting Numbers: [64, 129] Generated Node #3: [64, 129] from Operation: 43*3=129 Current State: 65:[64, 129], Operations: ['99-96=3', '43*3=129'] Exploring Operation: 129-64=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[96, 99, 43, 64], Operations: [] Exploring Operation: 96-43=53, Resulting Numbers: [99, 64, 53] Generated Node #0,0: 65:[99, 64, 53] Operation: 96-43=53 Exploring Operation: 64-43=21, Resulting Numbers: [96, 99, 21] Generated Node #0,1: 65:[96, 99, 21] Operation: 64-43=21 Exploring Operation: 99-43=56, Resulting Numbers: [96, 64, 56] Generated Node #0,2: 65:[96, 64, 56] Operation: 99-43=56 Exploring Operation: 99-96=3, Resulting Numbers: [43, 64, 3] Generated Node #0,3: 65:[43, 64, 3] Operation: 99-96=3 Exploring Operation: 96-64=32, Resulting Numbers: [99, 43, 32] Generated Node #0,4: 65:[99, 43, 32] Operation: 96-64=32 Moving to Node #0,3 Current State: 65:[43, 64, 3], Operations: ['99-96=3'] Exploring Operation: 64+3=67, Resulting Numbers: [43, 67] Generated Node #0,3,0: 65:[43, 67] Operation: 64+3=67 Exploring Operation: 43+3=46, Resulting Numbers: [64, 46] Generated Node #0,3,1: 65:[64, 46] Operation: 43+3=46 Exploring Operation: 64-43=21, Resulting Numbers: [3, 21] Generated Node #0,3,2: 65:[3, 21] Operation: 64-43=21 Exploring Operation: 64-3=61, Resulting Numbers: [43, 61] Generated Node #0,3,3: 65:[43, 61] Operation: 64-3=61 Exploring Operation: 43-3=40, Resulting Numbers: [64, 40] Generated Node #0,3,4: 65:[64, 40] Operation: 43-3=40 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 65:[3, 21], Operations: ['99-96=3', '64-43=21'] Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,65 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,65 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,65 unequal: No Solution No 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: 65:[64, 46], Operations: ['99-96=3', '43+3=46'] Exploring Operation: 64*46=2944, Resulting Numbers: [2944] 2944,65 unequal: No Solution Exploring Operation: 64-46=18, Resulting Numbers: [18] 18,65 unequal: No Solution Exploring Operation: 64+46=110, Resulting Numbers: [110] 110,65 unequal: No Solution No 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: 65:[43, 67], Operations: ['99-96=3', '64+3=67'] Exploring Operation: 43*67=2881, Resulting Numbers: [2881] 2881,65 unequal: No Solution Exploring Operation: 67-43=24, Resulting Numbers: [24] 24,65 unequal: No Solution Exploring Operation: 43+67=110, Resulting Numbers: [110] 110,65 unequal: No Solution No 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: 65:[43, 61], Operations: ['99-96=3', '64-3=61'] Exploring Operation: 43*61=2623, Resulting Numbers: [2623] 2623,65 unequal: No Solution Exploring Operation: 43+61=104, Resulting Numbers: [104] 104,65 unequal: No Solution Exploring Operation: 61-43=18, Resulting Numbers: [18] 18,65 unequal: No Solution No 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: 65:[64, 40], Operations: ['99-96=3', '43-3=40'] Exploring Operation: 64+40=104, Resulting Numbers: [104] 104,65 unequal: No Solution Exploring Operation: 64-40=24, Resulting Numbers: [24] 24,65 unequal: No Solution Exploring Operation: 64*40=2560, Resulting Numbers: [2560] 2560,65 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: 65:[96, 64, 56], Operations: ['99-43=56'] Exploring Operation: 96+56=152, Resulting Numbers: [64, 152] Generated Node #0,2,0: 65:[64, 152] Operation: 96+56=152 Exploring Operation: 96-56=40, Resulting Numbers: [64, 40] Generated Node #0,2,1: 65:[64, 40] Operation: 96-56=40 Exploring Operation: 64-56=8, Resulting Numbers: [96, 8] Generated Node #0,2,2: 65:[96, 8] Operation: 64-56=8 Exploring Operation: 64+56=120, Resulting Numbers: [96, 120] Generated Node #0,2,3: 65:[96, 120] Operation: 64+56=120 Exploring Operation: 96-64=32, Resulting Numbers: [56, 32] Generated Node #0,2,4: 65:[56, 32] Operation: 96-64=32 Moving to Node #0,0 Current State: 65:[99, 64, 53], Operations: ['96-43=53'] Exploring Operation: 99+53=152, Resulting Numbers: [64, 152] Generated Node #0,0,0: 65:[64, 152] Operation: 99+53=152 Exploring Operation: 99-64=35, Resulting Numbers: [53, 35] Generated Node #0,0,1: 65:[53, 35] Operation: 99-64=35 Exploring Operation: 99-53=46, Resulting Numbers: [64, 46] Generated Node #0,0,2: 65:[64, 46] Operation: 99-53=46 Exploring Operation: 64+53=117, Resulting Numbers: [99, 117] Generated Node #0,0,3: 65:[99, 117] Operation: 64+53=117 Exploring Operation: 64-53=11, Resulting Numbers: [99, 11] Generated Node #0,0,4: 65:[99, 11] Operation: 64-53=11 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 65:[64, 46], Operations: ['96-43=53', '99-53=46'] Exploring Operation: 64+46=110, Resulting Numbers: [110] 110,65 unequal: No Solution Exploring Operation: 64-46=18, Resulting Numbers: [18] 18,65 unequal: No Solution Exploring Operation: 64*46=2944, Resulting Numbers: [2944] 2944,65 unequal: No Solution No 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: 65:[53, 35], Operations: ['96-43=53', '99-64=35'] Exploring Operation: 53+35=88, Resulting Numbers: [88] 88,65 unequal: No Solution Exploring Operation: 53*35=1855, Resulting Numbers: [1855] 1855,65 unequal: No Solution Exploring Operation: 53-35=18, Resulting Numbers: [18] 18,65 unequal: No Solution No 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: 65:[99, 11], Operations: ['96-43=53', '64-53=11'] Exploring Operation: 99-11=88, Resulting Numbers: [88] 88,65 unequal: No Solution Exploring Operation: 99+11=110, Resulting Numbers: [110] 110,65 unequal: No Solution Exploring Operation: 99*11=1089, Resulting Numbers: [1089] 1089,65 unequal: No Solution Exploring Operation: 99/11=9, Resulting Numbers: [9] 9,65 unequal: No Solution No 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: 65:[99, 117], Operations: ['96-43=53', '64+53=117'] Exploring Operation: 117-99=18, Resulting Numbers: [18] 18,65 unequal: No Solution Exploring Operation: 99*117=11583, Resulting Numbers: [11583] 11583,65 unequal: No Solution Exploring Operation: 99+117=216, Resulting Numbers: [216] 216,65 unequal: No Solution No 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: 65:[64, 152], Operations: ['96-43=53', '99+53=152'] Exploring Operation: 64+152=216, Resulting Numbers: [216] 216,65 unequal: No Solution Exploring Operation: 64*152=9728, Resulting Numbers: [9728] 9728,65 unequal: No Solution Exploring Operation: 152-64=88, Resulting Numbers: [88] 88,65 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: 65:[96, 99, 21], Operations: ['64-43=21'] Exploring Operation: 96+21=117, Resulting Numbers: [99, 117] Generated Node #0,1,0: 65:[99, 117] Operation: 96+21=117 Exploring Operation: 99-96=3, Resulting Numbers: [21, 3] Generated Node #0,1,1: 65:[21, 3] Operation: 99-96=3 Exploring Operation: 96-21=75, Resulting Numbers: [99, 75] Generated Node #0,1,2: 65:[99, 75] Operation: 96-21=75 Exploring Operation: 99+21=120, Resulting Numbers: [96, 120] Generated Node #0,1,3: 65:[96, 120] Operation: 99+21=120 Exploring Operation: 99-21=78, Resulting Numbers: [96, 78] Generated Node #0,1,4: 65:[96, 78] Operation: 99-21=78 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[21, 3], Operations: ['64-43=21', '99-96=3'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,65 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,65 unequal: No Solution Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,65 unequal: No Solution No 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: 65:[99, 75], Operations: ['64-43=21', '96-21=75'] Exploring Operation: 99-75=24, Resulting Numbers: [24] 24,65 unequal: No Solution Exploring Operation: 99*75=7425, Resulting Numbers: [7425] 7425,65 unequal: No Solution Exploring Operation: 99+75=174, Resulting Numbers: [174] 174,65 unequal: No Solution No 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: 65:[96, 78], Operations: ['64-43=21', '99-21=78'] Exploring Operation: 96*78=7488, Resulting Numbers: [7488] 7488,65 unequal: No Solution Exploring Operation: 96+78=174, Resulting Numbers: [174] 174,65 unequal: No Solution Exploring Operation: 96-78=18, Resulting Numbers: [18] 18,65 unequal: No Solution No 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: 65:[99, 117], Operations: ['64-43=21', '96+21=117'] Exploring Operation: 99*117=11583, Resulting Numbers: [11583] 11583,65 unequal: No Solution Exploring Operation: 117-99=18, Resulting Numbers: [18] 18,65 unequal: No Solution Exploring Operation: 99+117=216, Resulting Numbers: [216] 216,65 unequal: No Solution No 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: 65:[96, 120], Operations: ['64-43=21', '99+21=120'] Exploring Operation: 96*120=11520, Resulting Numbers: [11520] 11520,65 unequal: No Solution Exploring Operation: 96+120=216, Resulting Numbers: [216] 216,65 unequal: No Solution Exploring Operation: 120-96=24, Resulting Numbers: [24] 24,65 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: 65:[99, 43, 32], Operations: ['96-64=32'] Exploring Operation: 43-32=11, Resulting Numbers: [99, 11] Generated Node #0,4,0: 65:[99, 11] Operation: 43-32=11 Exploring Operation: 43+32=75, Resulting Numbers: [99, 75] Generated Node #0,4,1: 65:[99, 75] Operation: 43+32=75 Exploring Operation: 99-43=56, Resulting Numbers: [32, 56] Generated Node #0,4,2: 65:[32, 56] Operation: 99-43=56 Exploring Operation: 99-32=67, Resulting Numbers: [43, 67] Generated Node #0,4,3: 65:[43, 67] Operation: 99-32=67 Exploring Operation: 99+32=131, Resulting Numbers: [43, 131] Generated Node #0,4,4: 65:[43, 131] Operation: 99+32=131 Moving to Node #0,4,3 Current State: 65:[43, 67], Operations: ['96-64=32', '99-32=67'] Exploring Operation: 67-43=24, Resulting Numbers: [24] 24,65 unequal: No Solution Exploring Operation: 43+67=110, Resulting Numbers: [110] 110,65 unequal: No Solution Exploring Operation: 43*67=2881, Resulting Numbers: [2881] 2881,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[64, 40], Operations: ['99-43=56', '96-56=40'] Exploring Operation: 64-40=24, Resulting Numbers: [24] 24,65 unequal: No Solution Exploring Operation: 64*40=2560, Resulting Numbers: [2560] 2560,65 unequal: No Solution Exploring Operation: 64+40=104, Resulting Numbers: [104] 104,65 unequal: No Solution Moving to Node #0,4,2 Current State: 65:[32, 56], Operations: ['96-64=32', '99-43=56'] Exploring Operation: 56-32=24, Resulting Numbers: [24] 24,65 unequal: No Solution Exploring Operation: 32+56=88, Resulting Numbers: [88] 88,65 unequal: No Solution Exploring Operation: 32*56=1792, Resulting Numbers: [1792] 1792,65 unequal: No Solution Moving to Node #0,2,4 Current State: 65:[56, 32], Operations: ['99-43=56', '96-64=32'] Exploring Operation: 56+32=88, Resulting Numbers: [88] 88,65 unequal: No Solution Exploring Operation: 56*32=1792, Resulting Numbers: [1792] 1792,65 unequal: No Solution Exploring Operation: 56-32=24, Resulting Numbers: [24] 24,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[96, 8], Operations: ['99-43=56', '64-56=8'] Exploring Operation: 96*8=768, Resulting Numbers: [768] 768,65 unequal: No Solution Exploring Operation: 96/8=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 96+8=104, Resulting Numbers: [104] 104,65 unequal: No Solution Exploring Operation: 96-8=88, Resulting Numbers: [88] 88,65 unequal: No Solution Moving to Node #0,4,0 Current State: 65:[99, 11], Operations: ['96-64=32', '43-32=11'] Exploring Operation: 99*11=1089, Resulting Numbers: [1089] 1089,65 unequal: No Solution Exploring Operation: 99/11=9, Resulting Numbers: [9] 9,65 unequal: No Solution Exploring Operation: 99-11=88, Resulting Numbers: [88] 88,65 unequal: No Solution Exploring Operation: 99+11=110, Resulting Numbers: [110] 110,65 unequal: No Solution Moving to Node #0,4,1 Current State: 65:[99, 75], Operations: ['96-64=32', '43+32=75'] Exploring Operation: 99*75=7425, Resulting Numbers: [7425] 7425,65 unequal: No Solution Exploring Operation: 99-75=24, Resulting Numbers: [24] 24,65 unequal: No Solution Exploring Operation: 99+75=174, Resulting Numbers: [174] 174,65 unequal: No Solution Moving to Node #0,2,3 Current State: 65:[96, 120], Operations: ['99-43=56', '64+56=120'] Exploring Operation: 120-96=24, Resulting Numbers: [24] 24,65 unequal: No Solution Exploring Operation: 96*120=11520, Resulting Numbers: [11520] 11520,65 unequal: No Solution Exploring Operation: 96+120=216, Resulting Numbers: [216] 216,65 unequal: No Solution Moving to Node #0,4,4 Current State: 65:[43, 131], Operations: ['96-64=32', '99+32=131'] Exploring Operation: 131-43=88, Resulting Numbers: [88] 88,65 unequal: No Solution Exploring Operation: 43+131=174, Resulting Numbers: [174] 174,65 unequal: No Solution Exploring Operation: 43*131=5633, Resulting Numbers: [5633] 5633,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[64, 152], Operations: ['99-43=56', '96+56=152'] Exploring Operation: 64+152=216, Resulting Numbers: [216] 216,65 unequal: No Solution Exploring Operation: 152-64=88, Resulting Numbers: [88] 88,65 unequal: No Solution Exploring Operation: 64*152=9728, Resulting Numbers: [9728] 9728,65 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 98, 65, 54, 72 ]
93
[ "98-65=33", "54+72=126", "126-33=93" ]
Current State: 93:[98, 65, 54, 72], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [54, 72, 33] Generated Node #2: [54, 72, 33] from Operation: 98-65=33 Current State: 93:[54, 72, 33], Operations: ['98-65=33'] Exploring Operation: 54+72=126, Resulting Numbers: [33, 126] Generated Node #3: [33, 126] from Operation: 54+72=126 Current State: 93:[33, 126], Operations: ['98-65=33', '54+72=126'] Exploring Operation: 126-33=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[98, 65, 54, 72], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [54, 72, 33] Generated Node #0,0: 93:[54, 72, 33] Operation: 98-65=33 Exploring Operation: 72-65=7, Resulting Numbers: [98, 54, 7] Generated Node #0,1: 93:[98, 54, 7] Operation: 72-65=7 Exploring Operation: 65+54=119, Resulting Numbers: [98, 72, 119] Generated Node #0,2: 93:[98, 72, 119] Operation: 65+54=119 Exploring Operation: 72-54=18, Resulting Numbers: [98, 65, 18] Generated Node #0,3: 93:[98, 65, 18] Operation: 72-54=18 Exploring Operation: 65-54=11, Resulting Numbers: [98, 72, 11] Generated Node #0,4: 93:[98, 72, 11] Operation: 65-54=11 Moving to Node #0,1 Current State: 93:[98, 54, 7], Operations: ['72-65=7'] Exploring Operation: 98-7=91, Resulting Numbers: [54, 91] Generated Node #0,1,0: 93:[54, 91] Operation: 98-7=91 Exploring Operation: 98-54=44, Resulting Numbers: [7, 44] Generated Node #0,1,1: 93:[7, 44] Operation: 98-54=44 Exploring Operation: 98+7=105, Resulting Numbers: [54, 105] Generated Node #0,1,2: 93:[54, 105] Operation: 98+7=105 Exploring Operation: 54-7=47, Resulting Numbers: [98, 47] Generated Node #0,1,3: 93:[98, 47] Operation: 54-7=47 Exploring Operation: 98/7=14, Resulting Numbers: [54, 14] Generated Node #0,1,4: 93:[54, 14] Operation: 98/7=14 Moving to Node #0,4 Current State: 93:[98, 72, 11], Operations: ['65-54=11'] Exploring Operation: 98-11=87, Resulting Numbers: [72, 87] Generated Node #0,4,0: 93:[72, 87] Operation: 98-11=87 Exploring Operation: 98+11=109, Resulting Numbers: [72, 109] Generated Node #0,4,1: 93:[72, 109] Operation: 98+11=109 Exploring Operation: 72-11=61, Resulting Numbers: [98, 61] Generated Node #0,4,2: 93:[98, 61] Operation: 72-11=61 Exploring Operation: 72+11=83, Resulting Numbers: [98, 83] Generated Node #0,4,3: 93:[98, 83] Operation: 72+11=83 Exploring Operation: 98-72=26, Resulting Numbers: [11, 26] Generated Node #0,4,4: 93:[11, 26] Operation: 98-72=26 Moving to Node #0,0 Current State: 93:[54, 72, 33], Operations: ['98-65=33'] Exploring Operation: 54+33=87, Resulting Numbers: [72, 87] Generated Node #0,0,0: 93:[72, 87] Operation: 54+33=87 Exploring Operation: 54-33=21, Resulting Numbers: [72, 21] Generated Node #0,0,1: 93:[72, 21] Operation: 54-33=21 Exploring Operation: 72-33=39, Resulting Numbers: [54, 39] Generated Node #0,0,2: 93:[54, 39] Operation: 72-33=39 Exploring Operation: 72-54=18, Resulting Numbers: [33, 18] Generated Node #0,0,3: 93:[33, 18] Operation: 72-54=18 Exploring Operation: 54+72=126, Resulting Numbers: [33, 126] Generated Node #0,0,4: 93:[33, 126] Operation: 54+72=126 Moving to Node #0,3 Current State: 93:[98, 65, 18], Operations: ['72-54=18'] Exploring Operation: 98-65=33, Resulting Numbers: [18, 33] Generated Node #0,3,0: 93:[18, 33] Operation: 98-65=33 Exploring Operation: 98-18=80, Resulting Numbers: [65, 80] Generated Node #0,3,1: 93:[65, 80] Operation: 98-18=80 Exploring Operation: 98+18=116, Resulting Numbers: [65, 116] Generated Node #0,3,2: 93:[65, 116] Operation: 98+18=116 Exploring Operation: 65+18=83, Resulting Numbers: [98, 83] Generated Node #0,3,3: 93:[98, 83] Operation: 65+18=83 Exploring Operation: 65-18=47, Resulting Numbers: [98, 47] Generated Node #0,3,4: 93:[98, 47] Operation: 65-18=47 Moving to Node #0,2 Current State: 93:[98, 72, 119], Operations: ['65+54=119'] Exploring Operation: 98-72=26, Resulting Numbers: [119, 26] Generated Node #0,2,0: 93:[119, 26] Operation: 98-72=26 Exploring Operation: 119-72=47, Resulting Numbers: [98, 47] Generated Node #0,2,1: 93:[98, 47] Operation: 119-72=47 Exploring Operation: 98+72=170, Resulting Numbers: [119, 170] Generated Node #0,2,2: 93:[119, 170] Operation: 98+72=170 Exploring Operation: 72+119=191, Resulting Numbers: [98, 191] Generated Node #0,2,3: 93:[98, 191] Operation: 72+119=191 Exploring Operation: 119-98=21, Resulting Numbers: [72, 21] Generated Node #0,2,4: 93:[72, 21] Operation: 119-98=21 Moving to Node #0,4,4 Current State: 93:[11, 26], Operations: ['65-54=11', '98-72=26'] Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 11+26=37, Resulting Numbers: [37] 37,93 unequal: No Solution Exploring Operation: 11*26=286, Resulting Numbers: [286] 286,93 unequal: No Solution Moving to Node #0,4,3 Current State: 93:[98, 83], Operations: ['65-54=11', '72+11=83'] Exploring Operation: 98+83=181, Resulting Numbers: [181] 181,93 unequal: No Solution Exploring Operation: 98-83=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 98*83=8134, Resulting Numbers: [8134] 8134,93 unequal: No Solution Moving to Node #0,0,3 Current State: 93:[33, 18], Operations: ['98-65=33', '72-54=18'] Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 33+18=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 33*18=594, Resulting Numbers: [594] 594,93 unequal: No Solution Moving to Node #0,3,0 Current State: 93:[18, 33], Operations: ['72-54=18', '98-65=33'] Exploring Operation: 18+33=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 18*33=594, Resulting Numbers: [594] 594,93 unequal: No Solution Moving to Node #0,3,3 Current State: 93:[98, 83], Operations: ['72-54=18', '65+18=83'] Exploring Operation: 98-83=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 98*83=8134, Resulting Numbers: [8134] 8134,93 unequal: No Solution Exploring Operation: 98+83=181, Resulting Numbers: [181] 181,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[7, 44], Operations: ['72-65=7', '98-54=44'] Exploring Operation: 7*44=308, Resulting Numbers: [308] 308,93 unequal: No Solution Exploring Operation: 7+44=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,93 unequal: No Solution Moving to Node #0,1,3 Current State: 93:[98, 47], Operations: ['72-65=7', '54-7=47'] Exploring Operation: 98-47=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 98+47=145, Resulting Numbers: [145] 145,93 unequal: No Solution Exploring Operation: 98*47=4606, Resulting Numbers: [4606] 4606,93 unequal: No Solution Moving to Node #0,2,1 Current State: 93:[98, 47], Operations: ['65+54=119', '119-72=47'] Exploring Operation: 98+47=145, Resulting Numbers: [145] 145,93 unequal: No Solution Exploring Operation: 98-47=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 98*47=4606, Resulting Numbers: [4606] 4606,93 unequal: No Solution Moving to Node #0,3,4 Current State: 93:[98, 47], Operations: ['72-54=18', '65-18=47'] Exploring Operation: 98+47=145, Resulting Numbers: [145] 145,93 unequal: No Solution Exploring Operation: 98-47=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 98*47=4606, Resulting Numbers: [4606] 4606,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[54, 91], Operations: ['72-65=7', '98-7=91'] Exploring Operation: 54*91=4914, Resulting Numbers: [4914] 4914,93 unequal: No Solution Exploring Operation: 54+91=145, Resulting Numbers: [145] 145,93 unequal: No Solution Exploring Operation: 91-54=37, Resulting Numbers: [37] 37,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[72, 87], Operations: ['98-65=33', '54+33=87'] Exploring Operation: 72+87=159, Resulting Numbers: [159] 159,93 unequal: No Solution Exploring Operation: 72*87=6264, Resulting Numbers: [6264] 6264,93 unequal: No Solution Exploring Operation: 87-72=15, Resulting Numbers: [15] 15,93 unequal: No Solution Moving to Node #0,4,0 Current State: 93:[72, 87], Operations: ['65-54=11', '98-11=87'] Exploring Operation: 72*87=6264, Resulting Numbers: [6264] 6264,93 unequal: No Solution Exploring Operation: 87-72=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 72+87=159, Resulting Numbers: [159] 159,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[54, 39], Operations: ['98-65=33', '72-33=39'] Exploring Operation: 54-39=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 54+39=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[98, 65, 54, 72], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [54, 72, 33] Generated Node #0,0: 93:[54, 72, 33] Operation: 98-65=33 Moving to Node #0,0 Current State: 93:[54, 72, 33], Operations: ['98-65=33'] Exploring Operation: 72-33=39, Resulting Numbers: [54, 39] Generated Node #0,0,2: 93:[54, 39] Operation: 72-33=39 Moving to Node #0,0,2 Current State: 93:[54, 39], Operations: ['98-65=33', '72-33=39'] Exploring Operation: 54+39=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
0.9375
hs_5
mult_heuristic
[ 59, 42, 6, 29 ]
66
[ "59+42=101", "6+29=35", "101-35=66" ]
Current State: 66:[59, 42, 6, 29], Operations: [] Exploring Operation: 59+42=101, Resulting Numbers: [6, 29, 101] Generated Node #2: [6, 29, 101] from Operation: 59+42=101 Current State: 66:[6, 29, 101], Operations: ['59+42=101'] Exploring Operation: 6+29=35, Resulting Numbers: [101, 35] Generated Node #3: [101, 35] from Operation: 6+29=35 Current State: 66:[101, 35], Operations: ['59+42=101', '6+29=35'] Exploring Operation: 101-35=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[59, 42, 6, 29], Operations: [] Exploring Operation: 42-29=13, Resulting Numbers: [59, 6, 13] Generated Node #0,0: 66:[59, 6, 13] Operation: 42-29=13 Exploring Operation: 59-29=30, Resulting Numbers: [42, 6, 30] Generated Node #0,1: 66:[42, 6, 30] Operation: 59-29=30 Exploring Operation: 59-42=17, Resulting Numbers: [6, 29, 17] Generated Node #0,2: 66:[6, 29, 17] Operation: 59-42=17 Moving to Node #0,0 Current State: 66:[59, 6, 13], Operations: ['42-29=13'] Exploring Operation: 59+13=72, Resulting Numbers: [6, 72] Generated Node #0,0,0: 66:[6, 72] Operation: 59+13=72 Exploring Operation: 59+6=65, Resulting Numbers: [13, 65] Generated Node #0,0,1: 66:[13, 65] Operation: 59+6=65 Exploring Operation: 13-6=7, Resulting Numbers: [59, 7] Generated Node #0,0,2: 66:[59, 7] Operation: 13-6=7 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 66:[13, 65], Operations: ['42-29=13', '59+6=65'] Exploring Operation: 13+65=78, Resulting Numbers: [78] 78,66 unequal: No Solution Exploring Operation: 65-13=52, Resulting Numbers: [52] 52,66 unequal: No Solution Exploring Operation: 65/13=5, Resulting Numbers: [5] 5,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[6, 72], Operations: ['42-29=13', '59+13=72'] Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[59, 42, 6, 29], Operations: [] Exploring Operation: 42-29=13, Resulting Numbers: [59, 6, 13] Generated Node #0,0: 66:[59, 6, 13] Operation: 42-29=13 Moving to Node #0,0 Current State: 66:[59, 6, 13], Operations: ['42-29=13'] Exploring Operation: 59+13=72, Resulting Numbers: [6, 72] Generated Node #0,0,0: 66:[6, 72] Operation: 59+13=72 Moving to Node #0,0,0 Current State: 66:[6, 72], Operations: ['42-29=13', '59+13=72'] Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 35, 47, 2, 23 ]
76
[ "35+23=58", "58/2=29", "47+29=76" ]
Current State: 76:[35, 47, 2, 23], Operations: [] Exploring Operation: 35+23=58, Resulting Numbers: [47, 2, 58] Generated Node #2: [47, 2, 58] from Operation: 35+23=58 Current State: 76:[47, 2, 58], Operations: ['35+23=58'] Exploring Operation: 58/2=29, Resulting Numbers: [47, 29] Generated Node #3: [47, 29] from Operation: 58/2=29 Current State: 76:[47, 29], Operations: ['35+23=58', '58/2=29'] Exploring Operation: 47+29=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[35, 47, 2, 23], Operations: [] Exploring Operation: 47+23=70, Resulting Numbers: [35, 2, 70] Generated Node #0,0: 76:[35, 2, 70] Operation: 47+23=70 Exploring Operation: 47-23=24, Resulting Numbers: [35, 2, 24] Generated Node #0,1: 76:[35, 2, 24] Operation: 47-23=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[35, 2, 24], Operations: ['47-23=24'] Exploring Operation: 24-2=22, Resulting Numbers: [35, 22] Generated Node #0,1,0: 76:[35, 22] Operation: 24-2=22 Exploring Operation: 35+2=37, Resulting Numbers: [24, 37] Generated Node #0,1,1: 76:[24, 37] Operation: 35+2=37 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 76:[35, 22], Operations: ['47-23=24', '24-2=22'] Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 35+22=57, Resulting Numbers: [57] 57,76 unequal: No Solution No 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: 76:[24, 37], Operations: ['47-23=24', '35+2=37'] Exploring Operation: 24+37=61, Resulting Numbers: [61] 61,76 unequal: No Solution Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,76 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: 76:[35, 2, 70], Operations: ['47+23=70'] Exploring Operation: 70-35=35, Resulting Numbers: [2, 35] Generated Node #0,0,0: 76:[2, 35] Operation: 70-35=35 Exploring Operation: 70/35=2, Resulting Numbers: [2, 2] Generated Node #0,0,1: 76:[2, 2] Operation: 70/35=2 Moving to Node #0,0,1 Current State: 76:[2, 2], Operations: ['47+23=70', '70/35=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[2, 35], Operations: ['47+23=70', '70-35=35'] Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,76 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,76 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
[ 85, 91, 49, 42 ]
72
[ "49-42=7", "91/7=13", "85-13=72" ]
Current State: 72:[85, 91, 49, 42], Operations: [] Exploring Operation: 49-42=7, Resulting Numbers: [85, 91, 7] Generated Node #2: [85, 91, 7] from Operation: 49-42=7 Current State: 72:[85, 91, 7], Operations: ['49-42=7'] Exploring Operation: 91/7=13, Resulting Numbers: [85, 13] Generated Node #3: [85, 13] from Operation: 91/7=13 Current State: 72:[85, 13], Operations: ['49-42=7', '91/7=13'] Exploring Operation: 85-13=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[85, 91, 49, 42], Operations: [] Exploring Operation: 85-42=43, Resulting Numbers: [91, 49, 43] Generated Node #0,0: 72:[91, 49, 43] Operation: 85-42=43 Exploring Operation: 49-42=7, Resulting Numbers: [85, 91, 7] Generated Node #0,1: 72:[85, 91, 7] Operation: 49-42=7 Exploring Operation: 85-49=36, Resulting Numbers: [91, 42, 36] Generated Node #0,2: 72:[91, 42, 36] Operation: 85-49=36 Exploring Operation: 91-85=6, Resulting Numbers: [49, 42, 6] Generated Node #0,3: 72:[49, 42, 6] Operation: 91-85=6 Exploring Operation: 91-49=42, Resulting Numbers: [85, 42, 42] Generated Node #0,4: 72:[85, 42, 42] Operation: 91-49=42 Start Sub Search at level 1: Moving to Node #0,3 Current State: 72:[49, 42, 6], Operations: ['91-85=6'] Exploring Operation: 49-6=43, Resulting Numbers: [42, 43] Generated Node #0,3,0: 72:[42, 43] Operation: 49-6=43 Exploring Operation: 49+42=91, Resulting Numbers: [6, 91] Generated Node #0,3,1: 72:[6, 91] Operation: 49+42=91 Exploring Operation: 42/6=7, Resulting Numbers: [49, 7] Generated Node #0,3,2: 72:[49, 7] Operation: 42/6=7 Exploring Operation: 49-42=7, Resulting Numbers: [6, 7] Generated Node #0,3,3: 72:[6, 7] Operation: 49-42=7 Exploring Operation: 42-6=36, Resulting Numbers: [49, 36] Generated Node #0,3,4: 72:[49, 36] Operation: 42-6=36 Moving to Node #0,3,3 Current State: 72:[6, 7], Operations: ['91-85=6', '49-42=7'] Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,72 unequal: No Solution Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,72 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,72 unequal: No Solution Moving to Node #0,3,4 Current State: 72:[49, 36], Operations: ['91-85=6', '42-6=36'] Exploring Operation: 49-36=13, Resulting Numbers: [13] 13,72 unequal: No Solution Exploring Operation: 49*36=1764, Resulting Numbers: [1764] 1764,72 unequal: No Solution Exploring Operation: 49+36=85, Resulting Numbers: [85] 85,72 unequal: No Solution Moving to Node #0,3,0 Current State: 72:[42, 43], Operations: ['91-85=6', '49-6=43'] Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 42*43=1806, Resulting Numbers: [1806] 1806,72 unequal: No Solution Exploring Operation: 42+43=85, Resulting Numbers: [85] 85,72 unequal: No Solution Moving to Node #0,3,2 Current State: 72:[49, 7], Operations: ['91-85=6', '42/6=7'] Exploring Operation: 49*7=343, Resulting Numbers: [343] 343,72 unequal: No Solution Exploring Operation: 49-7=42, Resulting Numbers: [42] 42,72 unequal: No Solution Exploring Operation: 49/7=7, Resulting Numbers: [7] 7,72 unequal: No Solution Exploring Operation: 49+7=56, Resulting Numbers: [56] 56,72 unequal: No Solution Moving to Node #0,3,1 Current State: 72:[6, 91], Operations: ['91-85=6', '49+42=91'] Exploring Operation: 6*91=546, Resulting Numbers: [546] 546,72 unequal: No Solution Exploring Operation: 6+91=97, Resulting Numbers: [97] 97,72 unequal: No Solution Exploring Operation: 91-6=85, Resulting Numbers: [85] 85,72 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 Current State: 72:[91, 42, 36], Operations: ['85-49=36'] Exploring Operation: 91+42=133, Resulting Numbers: [36, 133] Generated Node #0,2,0: 72:[36, 133] Operation: 91+42=133 Exploring Operation: 42-36=6, Resulting Numbers: [91, 6] Generated Node #0,2,1: 72:[91, 6] Operation: 42-36=6 Exploring Operation: 91-36=55, Resulting Numbers: [42, 55] Generated Node #0,2,2: 72:[42, 55] Operation: 91-36=55 Exploring Operation: 42+36=78, Resulting Numbers: [91, 78] Generated Node #0,2,3: 72:[91, 78] Operation: 42+36=78 Exploring Operation: 91-42=49, Resulting Numbers: [36, 49] Generated Node #0,2,4: 72:[36, 49] Operation: 91-42=49 Moving to Node #0,2,4 Current State: 72:[36, 49], Operations: ['85-49=36', '91-42=49'] Exploring Operation: 36*49=1764, Resulting Numbers: [1764] 1764,72 unequal: No Solution Exploring Operation: 49-36=13, Resulting Numbers: [13] 13,72 unequal: No Solution Exploring Operation: 36+49=85, Resulting Numbers: [85] 85,72 unequal: No Solution Moving to Node #0,2,1 Current State: 72:[91, 6], Operations: ['85-49=36', '42-36=6'] Exploring Operation: 91-6=85, Resulting Numbers: [85] 85,72 unequal: No Solution Exploring Operation: 91*6=546, Resulting Numbers: [546] 546,72 unequal: No Solution Exploring Operation: 91+6=97, Resulting Numbers: [97] 97,72 unequal: No Solution Moving to Node #0,2,2 Current State: 72:[42, 55], Operations: ['85-49=36', '91-36=55'] Exploring Operation: 55-42=13, Resulting Numbers: [13] 13,72 unequal: No Solution Exploring Operation: 42+55=97, Resulting Numbers: [97] 97,72 unequal: No Solution Exploring Operation: 42*55=2310, Resulting Numbers: [2310] 2310,72 unequal: No Solution Moving to Node #0,2,3 Current State: 72:[91, 78], Operations: ['85-49=36', '42+36=78'] Exploring Operation: 91*78=7098, Resulting Numbers: [7098] 7098,72 unequal: No Solution Exploring Operation: 91+78=169, Resulting Numbers: [169] 169,72 unequal: No Solution Exploring Operation: 91-78=13, Resulting Numbers: [13] 13,72 unequal: No Solution Moving to Node #0,2,0 Current State: 72:[36, 133], Operations: ['85-49=36', '91+42=133'] Exploring Operation: 36*133=4788, Resulting Numbers: [4788] 4788,72 unequal: No Solution Exploring Operation: 36+133=169, Resulting Numbers: [169] 169,72 unequal: No Solution Exploring Operation: 133-36=97, Resulting Numbers: [97] 97,72 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 #0,4 Current State: 72:[85, 42, 42], Operations: ['91-49=42'] Exploring Operation: 42+42=84, Resulting Numbers: [85, 84] Generated Node #0,4,0: 72:[85, 84] Operation: 42+42=84 Exploring Operation: 85-42=43, Resulting Numbers: [42, 43] Generated Node #0,4,1: 72:[42, 43] Operation: 85-42=43 Exploring Operation: 42/42=1, Resulting Numbers: [85, 1] Generated Node #0,4,2: 72:[85, 1] Operation: 42/42=1 Exploring Operation: 42-42=0, Resulting Numbers: [85, 0] Generated Node #0,4,3: 72:[85, 0] Operation: 42-42=0 Exploring Operation: 85-42=43, Resulting Numbers: [42, 43] Generated Node #0,4,4: 72:[42, 43] Operation: 85-42=43 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 72:[42, 43], Operations: ['91-49=42', '85-42=43'] Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 42*43=1806, Resulting Numbers: [1806] 1806,72 unequal: No Solution Exploring Operation: 42+43=85, Resulting Numbers: [85] 85,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 72:[42, 43], Operations: ['91-49=42', '85-42=43'] Exploring Operation: 42*43=1806, Resulting Numbers: [1806] 1806,72 unequal: No Solution Exploring Operation: 42+43=85, Resulting Numbers: [85] 85,72 unequal: No Solution Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 72:[85, 1], Operations: ['91-49=42', '42/42=1'] Exploring Operation: 85/1=85, Resulting Numbers: [85] 85,72 unequal: No Solution Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,72 unequal: No Solution Exploring Operation: 85*1=85, Resulting Numbers: [85] 85,72 unequal: No Solution Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 72:[85, 0], Operations: ['91-49=42', '42-42=0'] Exploring Operation: 85-0=85, Resulting Numbers: [85] 85,72 unequal: No Solution Exploring Operation: 85*0=0, Resulting Numbers: [0] 0,72 unequal: No Solution Exploring Operation: 85+0=85, Resulting Numbers: [85] 85,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 72:[85, 84], Operations: ['91-49=42', '42+42=84'] Exploring Operation: 85-84=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 85+84=169, Resulting Numbers: [169] 169,72 unequal: No Solution Exploring Operation: 85*84=7140, Resulting Numbers: [7140] 7140,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[85, 91, 7], Operations: ['49-42=7'] Exploring Operation: 91-85=6, Resulting Numbers: [7, 6] Generated Node #0,1,0: 72:[7, 6] Operation: 91-85=6 Exploring Operation: 91/7=13, Resulting Numbers: [85, 13] Generated Node #0,1,1: 72:[85, 13] Operation: 91/7=13 Exploring Operation: 91-7=84, Resulting Numbers: [85, 84] Generated Node #0,1,2: 72:[85, 84] Operation: 91-7=84 Exploring Operation: 85+7=92, Resulting Numbers: [91, 92] Generated Node #0,1,3: 72:[91, 92] Operation: 85+7=92 Exploring Operation: 85-7=78, Resulting Numbers: [91, 78] Generated Node #0,1,4: 72:[91, 78] Operation: 85-7=78 Moving to Node #0,1,0 Current State: 72:[7, 6], Operations: ['49-42=7', '91-85=6'] Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,72 unequal: No Solution Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[85, 13], Operations: ['49-42=7', '91/7=13'] Exploring Operation: 85+13=98, Resulting Numbers: [98] 98,72 unequal: No Solution Exploring Operation: 85*13=1105, Resulting Numbers: [1105] 1105,72 unequal: No Solution Exploring Operation: 85-13=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[85, 91, 49, 42], Operations: [] Exploring Operation: 49-42=7, Resulting Numbers: [85, 91, 7] Generated Node #0,1: 72:[85, 91, 7] Operation: 49-42=7 Moving to Node #0,1 Current State: 72:[85, 91, 7], Operations: ['49-42=7'] Exploring Operation: 91/7=13, Resulting Numbers: [85, 13] Generated Node #0,1,1: 72:[85, 13] Operation: 91/7=13 Moving to Node #0,1,1 Current State: 72:[85, 13], Operations: ['49-42=7', '91/7=13'] Exploring Operation: 85-13=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.928819
hs_5
sum_heuristic
[ 18, 96, 97, 65 ]
54
[ "18*96=1728", "97-65=32", "1728/32=54" ]
Current State: 54:[18, 96, 97, 65], Operations: [] Exploring Operation: 18*96=1728, Resulting Numbers: [97, 65, 1728] Generated Node #2: [97, 65, 1728] from Operation: 18*96=1728 Current State: 54:[97, 65, 1728], Operations: ['18*96=1728'] Exploring Operation: 97-65=32, Resulting Numbers: [1728, 32] Generated Node #3: [1728, 32] from Operation: 97-65=32 Current State: 54:[1728, 32], Operations: ['18*96=1728', '97-65=32'] Exploring Operation: 1728/32=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[18, 96, 97, 65], Operations: [] Exploring Operation: 97-96=1, Resulting Numbers: [18, 65, 1] Generated Node #0,0: 54:[18, 65, 1] Operation: 97-96=1 Exploring Operation: 96-65=31, Resulting Numbers: [18, 97, 31] Generated Node #0,1: 54:[18, 97, 31] Operation: 96-65=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[18, 65, 1], Operations: ['97-96=1'] Exploring Operation: 65-18=47, Resulting Numbers: [1, 47] Generated Node #0,0,0: 54:[1, 47] Operation: 65-18=47 Exploring Operation: 65-1=64, Resulting Numbers: [18, 64] Generated Node #0,0,1: 54:[18, 64] Operation: 65-1=64 Moving to Node #0,0,0 Current State: 54:[1, 47], Operations: ['97-96=1', '65-18=47'] Exploring Operation: 1+47=48, Resulting Numbers: [48] 48,54 unequal: No Solution Exploring Operation: 1*47=47, Resulting Numbers: [47] 47,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[18, 64], Operations: ['97-96=1', '65-1=64'] Exploring Operation: 18+64=82, Resulting Numbers: [82] 82,54 unequal: No Solution Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[18, 97, 31], Operations: ['96-65=31'] Exploring Operation: 97-31=66, Resulting Numbers: [18, 66] Generated Node #0,1,0: 54:[18, 66] Operation: 97-31=66 Exploring Operation: 97-18=79, Resulting Numbers: [31, 79] Generated Node #0,1,1: 54:[31, 79] Operation: 97-18=79 Moving to Node #0,1,0 Current State: 54:[18, 66], Operations: ['96-65=31', '97-31=66'] Exploring Operation: 18+66=84, Resulting Numbers: [84] 84,54 unequal: No Solution Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,54 unequal: No Solution Moving to Node #0,1,1 Current State: 54:[31, 79], Operations: ['96-65=31', '97-18=79'] Exploring Operation: 31+79=110, Resulting Numbers: [110] 110,54 unequal: No Solution Exploring Operation: 79-31=48, Resulting Numbers: [48] 48,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 6, 69, 65, 8 ]
24
[ "69-65=4", "8-4=4", "6*4=24" ]
Current State: 24:[6, 69, 65, 8], Operations: [] Exploring Operation: 69-65=4, Resulting Numbers: [6, 8, 4] Generated Node #2: [6, 8, 4] from Operation: 69-65=4 Current State: 24:[6, 8, 4], Operations: ['69-65=4'] Exploring Operation: 8-4=4, Resulting Numbers: [6, 4] Generated Node #3: [6, 4] from Operation: 8-4=4 Current State: 24:[6, 4], Operations: ['69-65=4', '8-4=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[6, 69, 65, 8], Operations: [] Exploring Operation: 65-8=57, Resulting Numbers: [6, 69, 57] Generated Node #0,0: 24:[6, 69, 57] Operation: 65-8=57 Exploring Operation: 69-65=4, Resulting Numbers: [6, 8, 4] Generated Node #0,1: 24:[6, 8, 4] Operation: 69-65=4 Exploring Operation: 69-8=61, Resulting Numbers: [6, 65, 61] Generated Node #0,2: 24:[6, 65, 61] Operation: 69-8=61 Moving to Node #0,1 Current State: 24:[6, 8, 4], Operations: ['69-65=4'] Exploring Operation: 6-4=2, Resulting Numbers: [8, 2] Generated Node #0,1,0: 24:[8, 2] Operation: 6-4=2 Exploring Operation: 6*4=24, Resulting Numbers: [8, 24] Generated Node #0,1,1: 24:[8, 24] Operation: 6*4=24 Exploring Operation: 8-6=2, Resulting Numbers: [4, 2] Generated Node #0,1,2: 24:[4, 2] Operation: 8-6=2 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 24:[8, 2], Operations: ['69-65=4', '6-4=2'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 24:[8, 24], Operations: ['69-65=4', '6*4=24'] Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,24 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 24:[4, 2], Operations: ['69-65=4', '8-6=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,24 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,24 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: 24:[6, 69, 57], Operations: ['65-8=57'] Exploring Operation: 57-6=51, Resulting Numbers: [69, 51] Generated Node #0,0,0: 24:[69, 51] Operation: 57-6=51 Exploring Operation: 69-6=63, Resulting Numbers: [57, 63] Generated Node #0,0,1: 24:[57, 63] Operation: 69-6=63 Exploring Operation: 69-57=12, Resulting Numbers: [6, 12] Generated Node #0,0,2: 24:[6, 12] Operation: 69-57=12 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 24:[6, 12], Operations: ['65-8=57', '69-57=12'] Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,24 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[69, 51], Operations: ['65-8=57', '57-6=51'] Exploring Operation: 69+51=120, Resulting Numbers: [120] 120,24 unequal: No Solution Exploring Operation: 69-51=18, Resulting Numbers: [18] 18,24 unequal: No Solution Exploring Operation: 69*51=3519, Resulting Numbers: [3519] 3519,24 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:[57, 63], Operations: ['65-8=57', '69-6=63'] Exploring Operation: 63-57=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 57*63=3591, Resulting Numbers: [3591] 3591,24 unequal: No Solution Exploring Operation: 57+63=120, Resulting Numbers: [120] 120,24 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: 24:[6, 65, 61], Operations: ['69-8=61'] Exploring Operation: 65-61=4, Resulting Numbers: [6, 4] Generated Node #0,2,0: 24:[6, 4] Operation: 65-61=4 Exploring Operation: 65-6=59, Resulting Numbers: [61, 59] Generated Node #0,2,1: 24:[61, 59] Operation: 65-6=59 Exploring Operation: 61-6=55, Resulting Numbers: [65, 55] Generated Node #0,2,2: 24:[65, 55] Operation: 61-6=55 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 24:[6, 4], Operations: ['69-8=61', '65-61=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,24 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[6, 69, 65, 8], Operations: [] Exploring Operation: 69-8=61, Resulting Numbers: [6, 65, 61] Generated Node #0,2: 24:[6, 65, 61] Operation: 69-8=61 Moving to Node #0,2 Current State: 24:[6, 65, 61], Operations: ['69-8=61'] Exploring Operation: 65-61=4, Resulting Numbers: [6, 4] Generated Node #0,2,0: 24:[6, 4] Operation: 65-61=4 Moving to Node #0,2,0 Current State: 24:[6, 4], Operations: ['69-8=61', '65-61=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_3
sum_heuristic
[ 18, 92, 34, 64 ]
12
[ "18+92=110", "34+64=98", "110-98=12" ]
Current State: 12:[18, 92, 34, 64], Operations: [] Exploring Operation: 18+92=110, Resulting Numbers: [34, 64, 110] Generated Node #2: [34, 64, 110] from Operation: 18+92=110 Current State: 12:[34, 64, 110], Operations: ['18+92=110'] Exploring Operation: 34+64=98, Resulting Numbers: [110, 98] Generated Node #3: [110, 98] from Operation: 34+64=98 Current State: 12:[110, 98], Operations: ['18+92=110', '34+64=98'] Exploring Operation: 110-98=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[18, 92, 34, 64], Operations: [] Exploring Operation: 92-64=28, Resulting Numbers: [18, 34, 28] Generated Node #0,0: 12:[18, 34, 28] Operation: 92-64=28 Moving to Node #0,0 Current State: 12:[18, 34, 28], Operations: ['92-64=28'] Exploring Operation: 34-28=6, Resulting Numbers: [18, 6] Generated Node #0,0,0: 12:[18, 6] Operation: 34-28=6 Moving to Node #0,0,0 Current State: 12:[18, 6], Operations: ['92-64=28', '34-28=6'] Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[18, 92, 34, 64], Operations: [] Exploring Operation: 92-64=28, Resulting Numbers: [18, 34, 28] Generated Node #0,0: 12:[18, 34, 28] Operation: 92-64=28 Moving to Node #0,0 Current State: 12:[18, 34, 28], Operations: ['92-64=28'] Exploring Operation: 34-28=6, Resulting Numbers: [18, 6] Generated Node #0,0,0: 12:[18, 6] Operation: 34-28=6 Moving to Node #0,0,0 Current State: 12:[18, 6], Operations: ['92-64=28', '34-28=6'] Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 10, 30, 68, 6 ]
53
[ "68-10=58", "30/6=5", "58-5=53" ]
Current State: 53:[10, 30, 68, 6], Operations: [] Exploring Operation: 68-10=58, Resulting Numbers: [30, 6, 58] Generated Node #2: [30, 6, 58] from Operation: 68-10=58 Current State: 53:[30, 6, 58], Operations: ['68-10=58'] Exploring Operation: 30/6=5, Resulting Numbers: [58, 5] Generated Node #3: [58, 5] from Operation: 30/6=5 Current State: 53:[58, 5], Operations: ['68-10=58', '30/6=5'] Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[10, 30, 68, 6], Operations: [] Exploring Operation: 10+30=40, Resulting Numbers: [68, 6, 40] Generated Node #0,0: 53:[68, 6, 40] Operation: 10+30=40 Exploring Operation: 10*6=60, Resulting Numbers: [30, 68, 60] Generated Node #0,1: 53:[30, 68, 60] Operation: 10*6=60 Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[30, 68, 60], Operations: ['10*6=60'] Exploring Operation: 68-30=38, Resulting Numbers: [60, 38] Generated Node #0,1,0: 53:[60, 38] Operation: 68-30=38 Exploring Operation: 60-30=30, Resulting Numbers: [68, 30] Generated Node #0,1,1: 53:[68, 30] Operation: 60-30=30 Moving to Node #0,1,0 Current State: 53:[60, 38], Operations: ['10*6=60', '68-30=38'] Exploring Operation: 60+38=98, Resulting Numbers: [98] 98,53 unequal: No Solution Exploring Operation: 60-38=22, Resulting Numbers: [22] 22,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[68, 30], Operations: ['10*6=60', '60-30=30'] Exploring Operation: 68-30=38, Resulting Numbers: [38] 38,53 unequal: No Solution Exploring Operation: 68+30=98, Resulting Numbers: [98] 98,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[68, 6, 40], Operations: ['10+30=40'] Exploring Operation: 68-6=62, Resulting Numbers: [40, 62] Generated Node #0,0,0: 53:[40, 62] Operation: 68-6=62 Exploring Operation: 6+40=46, Resulting Numbers: [68, 46] Generated Node #0,0,1: 53:[68, 46] Operation: 6+40=46 Moving to Node #0,0,0 Current State: 53:[40, 62], Operations: ['10+30=40', '68-6=62'] Exploring Operation: 40+62=102, Resulting Numbers: [102] 102,53 unequal: No Solution Exploring Operation: 62-40=22, Resulting Numbers: [22] 22,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[68, 46], Operations: ['10+30=40', '6+40=46'] Exploring Operation: 68+46=114, Resulting Numbers: [114] 114,53 unequal: No Solution Exploring Operation: 68-46=22, Resulting Numbers: [22] 22,53 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
[ 2, 99, 13, 10 ]
19
[ "13-2=11", "99/11=9", "10+9=19" ]
Current State: 19:[2, 99, 13, 10], Operations: [] Exploring Operation: 13-2=11, Resulting Numbers: [99, 10, 11] Generated Node #2: [99, 10, 11] from Operation: 13-2=11 Current State: 19:[99, 10, 11], Operations: ['13-2=11'] Exploring Operation: 99/11=9, Resulting Numbers: [10, 9] Generated Node #3: [10, 9] from Operation: 99/11=9 Current State: 19:[10, 9], Operations: ['13-2=11', '99/11=9'] Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[2, 99, 13, 10], Operations: [] Exploring Operation: 2*10=20, Resulting Numbers: [99, 13, 20] Generated Node #0,0: 19:[99, 13, 20] Operation: 2*10=20 Moving to Node #0,0 Current State: 19:[99, 13, 20], Operations: ['2*10=20'] Exploring Operation: 99-20=79, Resulting Numbers: [13, 79] Generated Node #0,0,0: 19:[13, 79] Operation: 99-20=79 Moving to Node #0,0,0 Current State: 19:[13, 79], Operations: ['2*10=20', '99-20=79'] Exploring Operation: 79-13=66, Resulting Numbers: [66] 66,19 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 99, 90, 81, 93 ]
84
[ "99-90=9", "81/9=9", "93-9=84" ]
Current State: 84:[99, 90, 81, 93], Operations: [] Exploring Operation: 99-90=9, Resulting Numbers: [81, 93, 9] Generated Node #2: [81, 93, 9] from Operation: 99-90=9 Current State: 84:[81, 93, 9], Operations: ['99-90=9'] Exploring Operation: 81/9=9, Resulting Numbers: [93, 9] Generated Node #3: [93, 9] from Operation: 81/9=9 Current State: 84:[93, 9], Operations: ['99-90=9', '81/9=9'] Exploring Operation: 93-9=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[99, 90, 81, 93], Operations: [] Exploring Operation: 99-93=6, Resulting Numbers: [90, 81, 6] Generated Node #0,0: 84:[90, 81, 6] Operation: 99-93=6 Moving to Node #0,0 Current State: 84:[90, 81, 6], Operations: ['99-93=6'] Exploring Operation: 90-81=9, Resulting Numbers: [6, 9] Generated Node #0,0,0: 84:[6, 9] Operation: 90-81=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[6, 9], Operations: ['99-93=6', '90-81=9'] Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,84 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
[ 56, 27, 95, 92 ]
87
[ "56-27=29", "95-92=3", "29*3=87" ]
Current State: 87:[56, 27, 95, 92], Operations: [] Exploring Operation: 56-27=29, Resulting Numbers: [95, 92, 29] Generated Node #2: [95, 92, 29] from Operation: 56-27=29 Current State: 87:[95, 92, 29], Operations: ['56-27=29'] Exploring Operation: 95-92=3, Resulting Numbers: [29, 3] Generated Node #3: [29, 3] from Operation: 95-92=3 Current State: 87:[29, 3], Operations: ['56-27=29', '95-92=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[56, 27, 95, 92], Operations: [] Exploring Operation: 56-27=29, Resulting Numbers: [95, 92, 29] Generated Node #0,0: 87:[95, 92, 29] Operation: 56-27=29 Exploring Operation: 95-56=39, Resulting Numbers: [27, 92, 39] Generated Node #0,1: 87:[27, 92, 39] Operation: 95-56=39 Exploring Operation: 56+27=83, Resulting Numbers: [95, 92, 83] Generated Node #0,2: 87:[95, 92, 83] Operation: 56+27=83 Moving to Node #0,0 Current State: 87:[95, 92, 29], Operations: ['56-27=29'] Exploring Operation: 92-29=63, Resulting Numbers: [95, 63] Generated Node #0,0,0: 87:[95, 63] Operation: 92-29=63 Exploring Operation: 95-92=3, Resulting Numbers: [29, 3] Generated Node #0,0,1: 87:[29, 3] Operation: 95-92=3 Exploring Operation: 95-29=66, Resulting Numbers: [92, 66] Generated Node #0,0,2: 87:[92, 66] Operation: 95-29=66 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[29, 3], Operations: ['56-27=29', '95-92=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[56, 27, 95, 92], Operations: [] Exploring Operation: 56-27=29, Resulting Numbers: [95, 92, 29] Generated Node #0,0: 87:[95, 92, 29] Operation: 56-27=29 Moving to Node #0,0 Current State: 87:[95, 92, 29], Operations: ['56-27=29'] Exploring Operation: 95-92=3, Resulting Numbers: [29, 3] Generated Node #0,0,1: 87:[29, 3] Operation: 95-92=3 Moving to Node #0,0,1 Current State: 87:[29, 3], Operations: ['56-27=29', '95-92=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 39, 76, 50, 37 ]
13
[ "39-37=2", "76-50=26", "26/2=13" ]
Current State: 13:[39, 76, 50, 37], Operations: [] Exploring Operation: 39-37=2, Resulting Numbers: [76, 50, 2] Generated Node #2: [76, 50, 2] from Operation: 39-37=2 Current State: 13:[76, 50, 2], Operations: ['39-37=2'] Exploring Operation: 76-50=26, Resulting Numbers: [2, 26] Generated Node #3: [2, 26] from Operation: 76-50=26 Current State: 13:[2, 26], Operations: ['39-37=2', '76-50=26'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[39, 76, 50, 37], Operations: [] Exploring Operation: 50-39=11, Resulting Numbers: [76, 37, 11] Generated Node #0,0: 13:[76, 37, 11] Operation: 50-39=11 Exploring Operation: 76-37=39, Resulting Numbers: [39, 50, 39] Generated Node #0,1: 13:[39, 50, 39] Operation: 76-37=39 Exploring Operation: 76-50=26, Resulting Numbers: [39, 37, 26] Generated Node #0,2: 13:[39, 37, 26] Operation: 76-50=26 Exploring Operation: 76-39=37, Resulting Numbers: [50, 37, 37] Generated Node #0,3: 13:[50, 37, 37] Operation: 76-39=37 Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[39, 37, 26], Operations: ['76-50=26'] Exploring Operation: 39-37=2, Resulting Numbers: [26, 2] Generated Node #0,2,0: 13:[26, 2] Operation: 39-37=2 Exploring Operation: 39-26=13, Resulting Numbers: [37, 13] Generated Node #0,2,1: 13:[37, 13] Operation: 39-26=13 Exploring Operation: 37-26=11, Resulting Numbers: [39, 11] Generated Node #0,2,2: 13:[39, 11] Operation: 37-26=11 Exploring Operation: 39+37=76, Resulting Numbers: [26, 76] Generated Node #0,2,3: 13:[26, 76] Operation: 39+37=76 Moving to Node #0,2,0 Current State: 13:[26, 2], Operations: ['76-50=26', '39-37=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[39, 76, 50, 37], Operations: [] Exploring Operation: 76-50=26, Resulting Numbers: [39, 37, 26] Generated Node #0,2: 13:[39, 37, 26] Operation: 76-50=26 Moving to Node #0,2 Current State: 13:[39, 37, 26], Operations: ['76-50=26'] Exploring Operation: 39-37=2, Resulting Numbers: [26, 2] Generated Node #0,2,0: 13:[26, 2] Operation: 39-37=2 Moving to Node #0,2,0 Current State: 13:[26, 2], Operations: ['76-50=26', '39-37=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 90, 66, 4, 64 ]
70
[ "90-66=24", "24/4=6", "64+6=70" ]
Current State: 70:[90, 66, 4, 64], Operations: [] Exploring Operation: 90-66=24, Resulting Numbers: [4, 64, 24] Generated Node #2: [4, 64, 24] from Operation: 90-66=24 Current State: 70:[4, 64, 24], Operations: ['90-66=24'] Exploring Operation: 24/4=6, Resulting Numbers: [64, 6] Generated Node #3: [64, 6] from Operation: 24/4=6 Current State: 70:[64, 6], Operations: ['90-66=24', '24/4=6'] Exploring Operation: 64+6=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[90, 66, 4, 64], Operations: [] Exploring Operation: 90-66=24, Resulting Numbers: [4, 64, 24] Generated Node #0,0: 70:[4, 64, 24] Operation: 90-66=24 Exploring Operation: 90-64=26, Resulting Numbers: [66, 4, 26] Generated Node #0,1: 70:[66, 4, 26] Operation: 90-64=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[66, 4, 26], Operations: ['90-64=26'] Exploring Operation: 66-26=40, Resulting Numbers: [4, 40] Generated Node #0,1,0: 70:[4, 40] Operation: 66-26=40 Exploring Operation: 66+4=70, Resulting Numbers: [26, 70] Generated Node #0,1,1: 70:[26, 70] Operation: 66+4=70 Moving to Node #0,1,0 Current State: 70:[4, 40], Operations: ['90-64=26', '66-26=40'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,70 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[26, 70], Operations: ['90-64=26', '66+4=70'] Exploring Operation: 70-26=44, Resulting Numbers: [44] 44,70 unequal: No Solution Exploring Operation: 26+70=96, Resulting Numbers: [96] 96,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[4, 64, 24], Operations: ['90-66=24'] Exploring Operation: 64-24=40, Resulting Numbers: [4, 40] Generated Node #0,0,0: 70:[4, 40] Operation: 64-24=40 Exploring Operation: 24/4=6, Resulting Numbers: [64, 6] Generated Node #0,0,1: 70:[64, 6] Operation: 24/4=6 Moving to Node #0,0,0 Current State: 70:[4, 40], Operations: ['90-66=24', '64-24=40'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[64, 6], Operations: ['90-66=24', '24/4=6'] Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,70 unequal: No Solution Exploring Operation: 64+6=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[90, 66, 4, 64], Operations: [] Exploring Operation: 90-66=24, Resulting Numbers: [4, 64, 24] Generated Node #0,0: 70:[4, 64, 24] Operation: 90-66=24 Moving to Node #0,0 Current State: 70:[4, 64, 24], Operations: ['90-66=24'] Exploring Operation: 24/4=6, Resulting Numbers: [64, 6] Generated Node #0,0,1: 70:[64, 6] Operation: 24/4=6 Moving to Node #0,0,1 Current State: 70:[64, 6], Operations: ['90-66=24', '24/4=6'] Exploring Operation: 64+6=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 62, 25, 68, 42 ]
66
[ "42-25=17", "68/17=4", "62+4=66" ]
Current State: 66:[62, 25, 68, 42], Operations: [] Exploring Operation: 42-25=17, Resulting Numbers: [62, 68, 17] Generated Node #2: [62, 68, 17] from Operation: 42-25=17 Current State: 66:[62, 68, 17], Operations: ['42-25=17'] Exploring Operation: 68/17=4, Resulting Numbers: [62, 4] Generated Node #3: [62, 4] from Operation: 68/17=4 Current State: 66:[62, 4], Operations: ['42-25=17', '68/17=4'] Exploring Operation: 62+4=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[62, 25, 68, 42], Operations: [] Exploring Operation: 62-42=20, Resulting Numbers: [25, 68, 20] Generated Node #0,0: 66:[25, 68, 20] Operation: 62-42=20 Exploring Operation: 25+42=67, Resulting Numbers: [62, 68, 67] Generated Node #0,1: 66:[62, 68, 67] Operation: 25+42=67 Moving to Node #0,0 Current State: 66:[25, 68, 20], Operations: ['62-42=20'] Exploring Operation: 25-20=5, Resulting Numbers: [68, 5] Generated Node #0,0,0: 66:[68, 5] Operation: 25-20=5 Exploring Operation: 68-25=43, Resulting Numbers: [20, 43] Generated Node #0,0,1: 66:[20, 43] Operation: 68-25=43 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[68, 5], Operations: ['62-42=20', '25-20=5'] Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,66 unequal: No Solution Exploring Operation: 68+5=73, Resulting Numbers: [73] 73,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 66:[20, 43], Operations: ['62-42=20', '68-25=43'] Exploring Operation: 43-20=23, Resulting Numbers: [23] 23,66 unequal: No Solution Exploring Operation: 20+43=63, Resulting Numbers: [63] 63,66 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: 66:[62, 68, 67], Operations: ['25+42=67'] Exploring Operation: 67-62=5, Resulting Numbers: [68, 5] Generated Node #0,1,0: 66:[68, 5] Operation: 67-62=5 Exploring Operation: 68-62=6, Resulting Numbers: [67, 6] Generated Node #0,1,1: 66:[67, 6] Operation: 68-62=6 Moving to Node #0,1,1 Current State: 66:[67, 6], Operations: ['25+42=67', '68-62=6'] Exploring Operation: 67+6=73, Resulting Numbers: [73] 73,66 unequal: No Solution Exploring Operation: 67-6=61, Resulting Numbers: [61] 61,66 unequal: No Solution Moving to Node #0,1,0 Current State: 66:[68, 5], Operations: ['25+42=67', '67-62=5'] Exploring Operation: 68+5=73, Resulting Numbers: [73] 73,66 unequal: No Solution Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,66 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 6, 29, 55, 95 ]
54
[ "55+95=150", "150/6=25", "29+25=54" ]
Current State: 54:[6, 29, 55, 95], Operations: [] Exploring Operation: 55+95=150, Resulting Numbers: [6, 29, 150] Generated Node #2: [6, 29, 150] from Operation: 55+95=150 Current State: 54:[6, 29, 150], Operations: ['55+95=150'] Exploring Operation: 150/6=25, Resulting Numbers: [29, 25] Generated Node #3: [29, 25] from Operation: 150/6=25 Current State: 54:[29, 25], Operations: ['55+95=150', '150/6=25'] Exploring Operation: 29+25=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[6, 29, 55, 95], Operations: [] Exploring Operation: 55-29=26, Resulting Numbers: [6, 95, 26] Generated Node #0,0: 54:[6, 95, 26] Operation: 55-29=26 Exploring Operation: 95-29=66, Resulting Numbers: [6, 55, 66] Generated Node #0,1: 54:[6, 55, 66] Operation: 95-29=66 Exploring Operation: 95-6=89, Resulting Numbers: [29, 55, 89] Generated Node #0,2: 54:[29, 55, 89] Operation: 95-6=89 Exploring Operation: 95-55=40, Resulting Numbers: [6, 29, 40] Generated Node #0,3: 54:[6, 29, 40] Operation: 95-55=40 Moving to Node #0,1 Current State: 54:[6, 55, 66], Operations: ['95-29=66'] Exploring Operation: 66-55=11, Resulting Numbers: [6, 11] Generated Node #0,1,0: 54:[6, 11] Operation: 66-55=11 Exploring Operation: 66/6=11, Resulting Numbers: [55, 11] Generated Node #0,1,1: 54:[55, 11] Operation: 66/6=11 Exploring Operation: 55-6=49, Resulting Numbers: [66, 49] Generated Node #0,1,2: 54:[66, 49] Operation: 55-6=49 Exploring Operation: 66-6=60, Resulting Numbers: [55, 60] Generated Node #0,1,3: 54:[55, 60] Operation: 66-6=60 Moving to Node #0,3 Current State: 54:[6, 29, 40], Operations: ['95-55=40'] Exploring Operation: 40-29=11, Resulting Numbers: [6, 11] Generated Node #0,3,0: 54:[6, 11] Operation: 40-29=11 Exploring Operation: 6+40=46, Resulting Numbers: [29, 46] Generated Node #0,3,1: 54:[29, 46] Operation: 6+40=46 Exploring Operation: 29+40=69, Resulting Numbers: [6, 69] Generated Node #0,3,2: 54:[6, 69] Operation: 29+40=69 Exploring Operation: 40-6=34, Resulting Numbers: [29, 34] Generated Node #0,3,3: 54:[29, 34] Operation: 40-6=34 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 54:[6, 11], Operations: ['95-55=40', '40-29=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,54 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 54:[29, 34], Operations: ['95-55=40', '40-6=34'] Exploring Operation: 29*34=986, Resulting Numbers: [986] 986,54 unequal: No Solution Exploring Operation: 34-29=5, Resulting Numbers: [5] 5,54 unequal: No Solution Exploring Operation: 29+34=63, Resulting Numbers: [63] 63,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 54:[29, 46], Operations: ['95-55=40', '6+40=46'] Exploring Operation: 46-29=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 29+46=75, Resulting Numbers: [75] 75,54 unequal: No Solution Exploring Operation: 29*46=1334, Resulting Numbers: [1334] 1334,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 54:[6, 69], Operations: ['95-55=40', '29+40=69'] Exploring Operation: 6+69=75, Resulting Numbers: [75] 75,54 unequal: No Solution Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,54 unequal: No Solution Exploring Operation: 6*69=414, Resulting Numbers: [414] 414,54 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: 54:[29, 55, 89], Operations: ['95-6=89'] Exploring Operation: 89-29=60, Resulting Numbers: [55, 60] Generated Node #0,2,0: 54:[55, 60] Operation: 89-29=60 Exploring Operation: 55-29=26, Resulting Numbers: [89, 26] Generated Node #0,2,1: 54:[89, 26] Operation: 55-29=26 Exploring Operation: 29+55=84, Resulting Numbers: [89, 84] Generated Node #0,2,2: 54:[89, 84] Operation: 29+55=84 Exploring Operation: 89-55=34, Resulting Numbers: [29, 34] Generated Node #0,2,3: 54:[29, 34] Operation: 89-55=34 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 54:[55, 60], Operations: ['95-6=89', '89-29=60'] Exploring Operation: 55+60=115, Resulting Numbers: [115] 115,54 unequal: No Solution Exploring Operation: 60-55=5, Resulting Numbers: [5] 5,54 unequal: No Solution Exploring Operation: 55*60=3300, Resulting Numbers: [3300] 3300,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 54:[29, 34], Operations: ['95-6=89', '89-55=34'] Exploring Operation: 34-29=5, Resulting Numbers: [5] 5,54 unequal: No Solution Exploring Operation: 29+34=63, Resulting Numbers: [63] 63,54 unequal: No Solution Exploring Operation: 29*34=986, Resulting Numbers: [986] 986,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 54:[89, 26], Operations: ['95-6=89', '55-29=26'] Exploring Operation: 89-26=63, Resulting Numbers: [63] 63,54 unequal: No Solution Exploring Operation: 89+26=115, Resulting Numbers: [115] 115,54 unequal: No Solution Exploring Operation: 89*26=2314, Resulting Numbers: [2314] 2314,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 54:[89, 84], Operations: ['95-6=89', '29+55=84'] Exploring Operation: 89+84=173, Resulting Numbers: [173] 173,54 unequal: No Solution Exploring Operation: 89-84=5, Resulting Numbers: [5] 5,54 unequal: No Solution Exploring Operation: 89*84=7476, Resulting Numbers: [7476] 7476,54 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: 54:[6, 95, 26], Operations: ['55-29=26'] Exploring Operation: 26-6=20, Resulting Numbers: [95, 20] Generated Node #0,0,0: 54:[95, 20] Operation: 26-6=20 Exploring Operation: 95-6=89, Resulting Numbers: [26, 89] Generated Node #0,0,1: 54:[26, 89] Operation: 95-6=89 Exploring Operation: 6+26=32, Resulting Numbers: [95, 32] Generated Node #0,0,2: 54:[95, 32] Operation: 6+26=32 Exploring Operation: 95-26=69, Resulting Numbers: [6, 69] Generated Node #0,0,3: 54:[6, 69] Operation: 95-26=69 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 54:[6, 69], Operations: ['55-29=26', '95-26=69'] Exploring Operation: 6*69=414, Resulting Numbers: [414] 414,54 unequal: No Solution Exploring Operation: 6+69=75, Resulting Numbers: [75] 75,54 unequal: No Solution Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 54:[26, 89], Operations: ['55-29=26', '95-6=89'] Exploring Operation: 26+89=115, Resulting Numbers: [115] 115,54 unequal: No Solution Exploring Operation: 26*89=2314, Resulting Numbers: [2314] 2314,54 unequal: No Solution Exploring Operation: 89-26=63, Resulting Numbers: [63] 63,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[95, 20], Operations: ['55-29=26', '26-6=20'] Exploring Operation: 95+20=115, Resulting Numbers: [115] 115,54 unequal: No Solution Exploring Operation: 95-20=75, Resulting Numbers: [75] 75,54 unequal: No Solution Exploring Operation: 95*20=1900, Resulting Numbers: [1900] 1900,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 54:[95, 32], Operations: ['55-29=26', '6+26=32'] Exploring Operation: 95+32=127, Resulting Numbers: [127] 127,54 unequal: No Solution Exploring Operation: 95-32=63, Resulting Numbers: [63] 63,54 unequal: No Solution Exploring Operation: 95*32=3040, Resulting Numbers: [3040] 3040,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 54:[6, 11], Operations: ['95-29=66', '66-55=11'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,54 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,54 unequal: No Solution Moving to Node #0,1,1 Current State: 54:[55, 11], Operations: ['95-29=66', '66/6=11'] Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,54 unequal: No Solution Exploring Operation: 55+11=66, Resulting Numbers: [66] 66,54 unequal: No Solution Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 55*11=605, Resulting Numbers: [605] 605,54 unequal: No Solution Moving to Node #0,1,3 Current State: 54:[55, 60], Operations: ['95-29=66', '66-6=60'] Exploring Operation: 55*60=3300, Resulting Numbers: [3300] 3300,54 unequal: No Solution Exploring Operation: 55+60=115, Resulting Numbers: [115] 115,54 unequal: No Solution Exploring Operation: 60-55=5, Resulting Numbers: [5] 5,54 unequal: No Solution Moving to Node #0,1,2 Current State: 54:[66, 49], Operations: ['95-29=66', '55-6=49'] Exploring Operation: 66+49=115, Resulting Numbers: [115] 115,54 unequal: No Solution Exploring Operation: 66*49=3234, Resulting Numbers: [3234] 3234,54 unequal: No Solution Exploring Operation: 66-49=17, Resulting Numbers: [17] 17,54 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 83, 21, 64, 13 ]
97
[ "21*64=1344", "1344-83=1261", "1261/13=97" ]
Current State: 97:[83, 21, 64, 13], Operations: [] Exploring Operation: 21*64=1344, Resulting Numbers: [83, 13, 1344] Generated Node #2: [83, 13, 1344] from Operation: 21*64=1344 Current State: 97:[83, 13, 1344], Operations: ['21*64=1344'] Exploring Operation: 1344-83=1261, Resulting Numbers: [13, 1261] Generated Node #3: [13, 1261] from Operation: 1344-83=1261 Current State: 97:[13, 1261], Operations: ['21*64=1344', '1344-83=1261'] Exploring Operation: 1261/13=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[83, 21, 64, 13], Operations: [] Exploring Operation: 83+13=96, Resulting Numbers: [21, 64, 96] Generated Node #0,0: 97:[21, 64, 96] Operation: 83+13=96 Exploring Operation: 21+64=85, Resulting Numbers: [83, 13, 85] Generated Node #0,1: 97:[83, 13, 85] Operation: 21+64=85 Exploring Operation: 21+13=34, Resulting Numbers: [83, 64, 34] Generated Node #0,2: 97:[83, 64, 34] Operation: 21+13=34 Exploring Operation: 64+13=77, Resulting Numbers: [83, 21, 77] Generated Node #0,3: 97:[83, 21, 77] Operation: 64+13=77 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[21, 64, 96], Operations: ['83+13=96'] Exploring Operation: 64-21=43, Resulting Numbers: [96, 43] Generated Node #0,0,0: 97:[96, 43] Operation: 64-21=43 Exploring Operation: 21+64=85, Resulting Numbers: [96, 85] Generated Node #0,0,1: 97:[96, 85] Operation: 21+64=85 Exploring Operation: 96-21=75, Resulting Numbers: [64, 75] Generated Node #0,0,2: 97:[64, 75] Operation: 96-21=75 Exploring Operation: 21+96=117, Resulting Numbers: [64, 117] Generated Node #0,0,3: 97:[64, 117] Operation: 21+96=117 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[96, 85], Operations: ['83+13=96', '21+64=85'] Exploring Operation: 96-85=11, Resulting Numbers: [11] 11,97 unequal: No Solution Exploring Operation: 96*85=8160, Resulting Numbers: [8160] 8160,97 unequal: No Solution Exploring Operation: 96+85=181, Resulting Numbers: [181] 181,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 97:[64, 117], Operations: ['83+13=96', '21+96=117'] Exploring Operation: 117-64=53, Resulting Numbers: [53] 53,97 unequal: No Solution Exploring Operation: 64+117=181, Resulting Numbers: [181] 181,97 unequal: No Solution Exploring Operation: 64*117=7488, Resulting Numbers: [7488] 7488,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[96, 43], Operations: ['83+13=96', '64-21=43'] Exploring Operation: 96+43=139, Resulting Numbers: [139] 139,97 unequal: No Solution Exploring Operation: 96-43=53, Resulting Numbers: [53] 53,97 unequal: No Solution Exploring Operation: 96*43=4128, Resulting Numbers: [4128] 4128,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 97:[64, 75], Operations: ['83+13=96', '96-21=75'] Exploring Operation: 75-64=11, Resulting Numbers: [11] 11,97 unequal: No Solution Exploring Operation: 64*75=4800, Resulting Numbers: [4800] 4800,97 unequal: No Solution Exploring Operation: 64+75=139, Resulting Numbers: [139] 139,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[83, 13, 85], Operations: ['21+64=85'] Exploring Operation: 13+85=98, Resulting Numbers: [83, 98] Generated Node #0,1,0: 97:[83, 98] Operation: 13+85=98 Exploring Operation: 85-13=72, Resulting Numbers: [83, 72] Generated Node #0,1,1: 97:[83, 72] Operation: 85-13=72 Exploring Operation: 83-13=70, Resulting Numbers: [85, 70] Generated Node #0,1,2: 97:[85, 70] Operation: 83-13=70 Exploring Operation: 83+13=96, Resulting Numbers: [85, 96] Generated Node #0,1,3: 97:[85, 96] Operation: 83+13=96 Moving to Node #0,1,3 Current State: 97:[85, 96], Operations: ['21+64=85', '83+13=96'] Exploring Operation: 96-85=11, Resulting Numbers: [11] 11,97 unequal: No Solution Exploring Operation: 85*96=8160, Resulting Numbers: [8160] 8160,97 unequal: No Solution Exploring Operation: 85+96=181, Resulting Numbers: [181] 181,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[83, 98], Operations: ['21+64=85', '13+85=98'] Exploring Operation: 83*98=8134, Resulting Numbers: [8134] 8134,97 unequal: No Solution Exploring Operation: 83+98=181, Resulting Numbers: [181] 181,97 unequal: No Solution Exploring Operation: 98-83=15, Resulting Numbers: [15] 15,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[85, 70], Operations: ['21+64=85', '83-13=70'] Exploring Operation: 85-70=15, Resulting Numbers: [15] 15,97 unequal: No Solution Exploring Operation: 85*70=5950, Resulting Numbers: [5950] 5950,97 unequal: No Solution Exploring Operation: 85+70=155, Resulting Numbers: [155] 155,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[83, 72], Operations: ['21+64=85', '85-13=72'] Exploring Operation: 83*72=5976, Resulting Numbers: [5976] 5976,97 unequal: No Solution Exploring Operation: 83-72=11, Resulting Numbers: [11] 11,97 unequal: No Solution Exploring Operation: 83+72=155, Resulting Numbers: [155] 155,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 97:[83, 64, 34], Operations: ['21+13=34'] Exploring Operation: 64-34=30, Resulting Numbers: [83, 30] Generated Node #0,2,0: 97:[83, 30] Operation: 64-34=30 Exploring Operation: 83+34=117, Resulting Numbers: [64, 117] Generated Node #0,2,1: 97:[64, 117] Operation: 83+34=117 Exploring Operation: 64+34=98, Resulting Numbers: [83, 98] Generated Node #0,2,2: 97:[83, 98] Operation: 64+34=98 Exploring Operation: 83-34=49, Resulting Numbers: [64, 49] Generated Node #0,2,3: 97:[64, 49] Operation: 83-34=49 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 97:[83, 98], Operations: ['21+13=34', '64+34=98'] Exploring Operation: 98-83=15, Resulting Numbers: [15] 15,97 unequal: No Solution Exploring Operation: 83+98=181, Resulting Numbers: [181] 181,97 unequal: No Solution Exploring Operation: 83*98=8134, Resulting Numbers: [8134] 8134,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 97:[64, 117], Operations: ['21+13=34', '83+34=117'] Exploring Operation: 64+117=181, Resulting Numbers: [181] 181,97 unequal: No Solution Exploring Operation: 117-64=53, Resulting Numbers: [53] 53,97 unequal: No Solution Exploring Operation: 64*117=7488, Resulting Numbers: [7488] 7488,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 97:[83, 30], Operations: ['21+13=34', '64-34=30'] Exploring Operation: 83*30=2490, Resulting Numbers: [2490] 2490,97 unequal: No Solution Exploring Operation: 83+30=113, Resulting Numbers: [113] 113,97 unequal: No Solution Exploring Operation: 83-30=53, Resulting Numbers: [53] 53,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 97:[64, 49], Operations: ['21+13=34', '83-34=49'] Exploring Operation: 64+49=113, Resulting Numbers: [113] 113,97 unequal: No Solution Exploring Operation: 64*49=3136, Resulting Numbers: [3136] 3136,97 unequal: No Solution Exploring Operation: 64-49=15, Resulting Numbers: [15] 15,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 97:[83, 21, 77], Operations: ['64+13=77'] Exploring Operation: 77-21=56, Resulting Numbers: [83, 56] Generated Node #0,3,0: 97:[83, 56] Operation: 77-21=56 Exploring Operation: 83-21=62, Resulting Numbers: [77, 62] Generated Node #0,3,1: 97:[77, 62] Operation: 83-21=62 Exploring Operation: 83+21=104, Resulting Numbers: [77, 104] Generated Node #0,3,2: 97:[77, 104] Operation: 83+21=104 Exploring Operation: 21+77=98, Resulting Numbers: [83, 98] Generated Node #0,3,3: 97:[83, 98] Operation: 21+77=98 Moving to Node #0,3,3 Current State: 97:[83, 98], Operations: ['64+13=77', '21+77=98'] Exploring Operation: 83+98=181, Resulting Numbers: [181] 181,97 unequal: No Solution Exploring Operation: 98-83=15, Resulting Numbers: [15] 15,97 unequal: No Solution Exploring Operation: 83*98=8134, Resulting Numbers: [8134] 8134,97 unequal: No Solution Moving to Node #0,3,2 Current State: 97:[77, 104], Operations: ['64+13=77', '83+21=104'] Exploring Operation: 77+104=181, Resulting Numbers: [181] 181,97 unequal: No Solution Exploring Operation: 77*104=8008, Resulting Numbers: [8008] 8008,97 unequal: No Solution Exploring Operation: 104-77=27, Resulting Numbers: [27] 27,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[77, 62], Operations: ['64+13=77', '83-21=62'] Exploring Operation: 77+62=139, Resulting Numbers: [139] 139,97 unequal: No Solution Exploring Operation: 77*62=4774, Resulting Numbers: [4774] 4774,97 unequal: No Solution Exploring Operation: 77-62=15, Resulting Numbers: [15] 15,97 unequal: No Solution Moving to Node #0,3,0 Current State: 97:[83, 56], Operations: ['64+13=77', '77-21=56'] Exploring Operation: 83+56=139, Resulting Numbers: [139] 139,97 unequal: No Solution Exploring Operation: 83*56=4648, Resulting Numbers: [4648] 4648,97 unequal: No Solution Exploring Operation: 83-56=27, Resulting Numbers: [27] 27,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic