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
[ 72, 3, 90, 23 ]
91
[ "72/3=24", "90-23=67", "24+67=91" ]
Current State: 91:[72, 3, 90, 23], Operations: [] Exploring Operation: 72/3=24, Resulting Numbers: [90, 23, 24] Generated Node #2: [90, 23, 24] from Operation: 72/3=24 Current State: 91:[90, 23, 24], Operations: ['72/3=24'] Exploring Operation: 90-23=67, Resulting Numbers: [24, 67] Generated Node #3: [24, 67] from Operation: 90-23=67 Current State: 91:[24, 67], Operations: ['72/3=24', '90-23=67'] Exploring Operation: 24+67=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[72, 3, 90, 23], Operations: [] Exploring Operation: 72+23=95, Resulting Numbers: [3, 90, 95] Generated Node #0,0: 91:[3, 90, 95] Operation: 72+23=95 Exploring Operation: 72+3=75, Resulting Numbers: [90, 23, 75] Generated Node #0,1: 91:[90, 23, 75] Operation: 72+3=75 Exploring Operation: 72/3=24, Resulting Numbers: [90, 23, 24] Generated Node #0,2: 91:[90, 23, 24] Operation: 72/3=24 Exploring Operation: 90-72=18, Resulting Numbers: [3, 23, 18] Generated Node #0,3: 91:[3, 23, 18] Operation: 90-72=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[3, 90, 95], Operations: ['72+23=95'] Exploring Operation: 95-90=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 91:[3, 5] Operation: 95-90=5 Exploring Operation: 95-3=92, Resulting Numbers: [90, 92] Generated Node #0,0,1: 91:[90, 92] Operation: 95-3=92 Exploring Operation: 90-3=87, Resulting Numbers: [95, 87] Generated Node #0,0,2: 91:[95, 87] Operation: 90-3=87 Exploring Operation: 3+90=93, Resulting Numbers: [95, 93] Generated Node #0,0,3: 91:[95, 93] Operation: 3+90=93 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 91:[90, 92], Operations: ['72+23=95', '95-3=92'] Exploring Operation: 90*92=8280, Resulting Numbers: [8280] 8280,91 unequal: No Solution Exploring Operation: 90+92=182, Resulting Numbers: [182] 182,91 unequal: No Solution Exploring Operation: 92-90=2, Resulting Numbers: [2] 2,91 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 #0,0,0 Current State: 91:[3, 5], Operations: ['72+23=95', '95-90=5'] Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,91 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,91 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 #0,0,3 Current State: 91:[95, 93], Operations: ['72+23=95', '3+90=93'] Exploring Operation: 95*93=8835, Resulting Numbers: [8835] 8835,91 unequal: No Solution Exploring Operation: 95-93=2, Resulting Numbers: [2] 2,91 unequal: No Solution Exploring Operation: 95+93=188, Resulting Numbers: [188] 188,91 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 #0,0,2 Current State: 91:[95, 87], Operations: ['72+23=95', '90-3=87'] Exploring Operation: 95*87=8265, Resulting Numbers: [8265] 8265,91 unequal: No Solution Exploring Operation: 95+87=182, Resulting Numbers: [182] 182,91 unequal: No Solution Exploring Operation: 95-87=8, Resulting Numbers: [8] 8,91 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 #0,3 Current State: 91:[3, 23, 18], Operations: ['90-72=18'] Exploring Operation: 23-18=5, Resulting Numbers: [3, 5] Generated Node #0,3,0: 91:[3, 5] Operation: 23-18=5 Exploring Operation: 18/3=6, Resulting Numbers: [23, 6] Generated Node #0,3,1: 91:[23, 6] Operation: 18/3=6 Exploring Operation: 23-3=20, Resulting Numbers: [18, 20] Generated Node #0,3,2: 91:[18, 20] Operation: 23-3=20 Exploring Operation: 18-3=15, Resulting Numbers: [23, 15] Generated Node #0,3,3: 91:[23, 15] Operation: 18-3=15 Moving to Node #0,3,0 Current State: 91:[3, 5], Operations: ['90-72=18', '23-18=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,91 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,91 unequal: No Solution Moving to Node #0,3,1 Current State: 91:[23, 6], Operations: ['90-72=18', '18/3=6'] Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,91 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,91 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,91 unequal: No Solution Moving to Node #0,3,3 Current State: 91:[23, 15], Operations: ['90-72=18', '18-3=15'] Exploring Operation: 23+15=38, Resulting Numbers: [38] 38,91 unequal: No Solution Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 23*15=345, Resulting Numbers: [345] 345,91 unequal: No Solution Moving to Node #0,3,2 Current State: 91:[18, 20], Operations: ['90-72=18', '23-3=20'] Exploring Operation: 18*20=360, Resulting Numbers: [360] 360,91 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,91 unequal: No Solution Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[90, 23, 24], Operations: ['72/3=24'] Exploring Operation: 90+24=114, Resulting Numbers: [23, 114] Generated Node #0,2,0: 91:[23, 114] Operation: 90+24=114 Exploring Operation: 24-23=1, Resulting Numbers: [90, 1] Generated Node #0,2,1: 91:[90, 1] Operation: 24-23=1 Exploring Operation: 90-23=67, Resulting Numbers: [24, 67] Generated Node #0,2,2: 91:[24, 67] Operation: 90-23=67 Exploring Operation: 90+23=113, Resulting Numbers: [24, 113] Generated Node #0,2,3: 91:[24, 113] Operation: 90+23=113 Moving to Node #0,2,1 Current State: 91:[90, 1], Operations: ['72/3=24', '24-23=1'] Exploring Operation: 90/1=90, Resulting Numbers: [90] 90,91 unequal: No Solution Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,91 unequal: No Solution Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[72, 3, 90, 23], Operations: [] Exploring Operation: 72/3=24, Resulting Numbers: [90, 23, 24] Generated Node #0,2: 91:[90, 23, 24] Operation: 72/3=24 Moving to Node #0,2 Current State: 91:[90, 23, 24], Operations: ['72/3=24'] Exploring Operation: 24-23=1, Resulting Numbers: [90, 1] Generated Node #0,2,1: 91:[90, 1] Operation: 24-23=1 Moving to Node #0,2,1 Current State: 91:[90, 1], Operations: ['72/3=24', '24-23=1'] Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_4
sum_heuristic
[ 7, 98, 65, 35 ]
44
[ "98/7=14", "65-35=30", "14+30=44" ]
Current State: 44:[7, 98, 65, 35], Operations: [] Exploring Operation: 98/7=14, Resulting Numbers: [65, 35, 14] Generated Node #2: [65, 35, 14] from Operation: 98/7=14 Current State: 44:[65, 35, 14], Operations: ['98/7=14'] Exploring Operation: 65-35=30, Resulting Numbers: [14, 30] Generated Node #3: [14, 30] from Operation: 65-35=30 Current State: 44:[14, 30], Operations: ['98/7=14', '65-35=30'] Exploring Operation: 14+30=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[7, 98, 65, 35], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [7, 35, 33] Generated Node #0,0: 44:[7, 35, 33] Operation: 98-65=33 Exploring Operation: 98/7=14, Resulting Numbers: [65, 35, 14] Generated Node #0,1: 44:[65, 35, 14] Operation: 98/7=14 Exploring Operation: 98-35=63, Resulting Numbers: [7, 65, 63] Generated Node #0,2: 44:[7, 65, 63] Operation: 98-35=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[7, 35, 33], Operations: ['98-65=33'] Exploring Operation: 7+35=42, Resulting Numbers: [33, 42] Generated Node #0,0,0: 44:[33, 42] Operation: 7+35=42 Exploring Operation: 35/7=5, Resulting Numbers: [33, 5] Generated Node #0,0,1: 44:[33, 5] Operation: 35/7=5 Exploring Operation: 35-33=2, Resulting Numbers: [7, 2] Generated Node #0,0,2: 44:[7, 2] Operation: 35-33=2 Moving to Node #0,0,2 Current State: 44:[7, 2], Operations: ['98-65=33', '35-33=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,44 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[33, 5], Operations: ['98-65=33', '35/7=5'] Exploring Operation: 33*5=165, Resulting Numbers: [165] 165,44 unequal: No Solution Exploring Operation: 33+5=38, Resulting Numbers: [38] 38,44 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,44 unequal: No Solution Moving to Node #0,0,0 Current State: 44:[33, 42], Operations: ['98-65=33', '7+35=42'] Exploring Operation: 33*42=1386, Resulting Numbers: [1386] 1386,44 unequal: No Solution Exploring Operation: 33+42=75, Resulting Numbers: [75] 75,44 unequal: No Solution Exploring Operation: 42-33=9, Resulting Numbers: [9] 9,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[65, 35, 14], Operations: ['98/7=14'] Exploring Operation: 35-14=21, Resulting Numbers: [65, 21] Generated Node #0,1,0: 44:[65, 21] Operation: 35-14=21 Exploring Operation: 65-35=30, Resulting Numbers: [14, 30] Generated Node #0,1,1: 44:[14, 30] Operation: 65-35=30 Exploring Operation: 65-14=51, Resulting Numbers: [35, 51] Generated Node #0,1,2: 44:[35, 51] Operation: 65-14=51 Moving to Node #0,1,1 Current State: 44:[14, 30], Operations: ['98/7=14', '65-35=30'] Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 14+30=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[7, 98, 65, 35], Operations: [] Exploring Operation: 98/7=14, Resulting Numbers: [65, 35, 14] Generated Node #0,1: 44:[65, 35, 14] Operation: 98/7=14 Moving to Node #0,1 Current State: 44:[65, 35, 14], Operations: ['98/7=14'] Exploring Operation: 65-35=30, Resulting Numbers: [14, 30] Generated Node #0,1,1: 44:[14, 30] Operation: 65-35=30 Moving to Node #0,1,1 Current State: 44:[14, 30], Operations: ['98/7=14', '65-35=30'] Exploring Operation: 14+30=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 73, 24, 54, 57 ]
52
[ "73-24=49", "57-54=3", "49+3=52" ]
Current State: 52:[73, 24, 54, 57], Operations: [] Exploring Operation: 73-24=49, Resulting Numbers: [54, 57, 49] Generated Node #2: [54, 57, 49] from Operation: 73-24=49 Current State: 52:[54, 57, 49], Operations: ['73-24=49'] Exploring Operation: 57-54=3, Resulting Numbers: [49, 3] Generated Node #3: [49, 3] from Operation: 57-54=3 Current State: 52:[49, 3], Operations: ['73-24=49', '57-54=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[73, 24, 54, 57], Operations: [] Exploring Operation: 54-24=30, Resulting Numbers: [73, 57, 30] Generated Node #0,0: 52:[73, 57, 30] Operation: 54-24=30 Exploring Operation: 73-54=19, Resulting Numbers: [24, 57, 19] Generated Node #0,1: 52:[24, 57, 19] Operation: 73-54=19 Exploring Operation: 57-54=3, Resulting Numbers: [73, 24, 3] Generated Node #0,2: 52:[73, 24, 3] Operation: 57-54=3 Exploring Operation: 73-24=49, Resulting Numbers: [54, 57, 49] Generated Node #0,3: 52:[54, 57, 49] Operation: 73-24=49 Exploring Operation: 73-57=16, Resulting Numbers: [24, 54, 16] Generated Node #0,4: 52:[24, 54, 16] Operation: 73-57=16 Moving to Node #0,4 Current State: 52:[24, 54, 16], Operations: ['73-57=16'] Exploring Operation: 24-16=8, Resulting Numbers: [54, 8] Generated Node #0,4,0: 52:[54, 8] Operation: 24-16=8 Exploring Operation: 54-16=38, Resulting Numbers: [24, 38] Generated Node #0,4,1: 52:[24, 38] Operation: 54-16=38 Exploring Operation: 54+16=70, Resulting Numbers: [24, 70] Generated Node #0,4,2: 52:[24, 70] Operation: 54+16=70 Exploring Operation: 54-24=30, Resulting Numbers: [16, 30] Generated Node #0,4,3: 52:[16, 30] Operation: 54-24=30 Exploring Operation: 24+16=40, Resulting Numbers: [54, 40] Generated Node #0,4,4: 52:[54, 40] Operation: 24+16=40 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 52:[54, 8], Operations: ['73-57=16', '24-16=8'] Exploring Operation: 54+8=62, Resulting Numbers: [62] 62,52 unequal: No Solution Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,52 unequal: No Solution Exploring Operation: 54*8=432, Resulting Numbers: [432] 432,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 52:[16, 30], Operations: ['73-57=16', '54-24=30'] Exploring Operation: 16+30=46, Resulting Numbers: [46] 46,52 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,52 unequal: No Solution Exploring Operation: 16*30=480, Resulting Numbers: [480] 480,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 52:[24, 38], Operations: ['73-57=16', '54-16=38'] Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,52 unequal: No Solution Exploring Operation: 24*38=912, Resulting Numbers: [912] 912,52 unequal: No Solution Exploring Operation: 24+38=62, Resulting Numbers: [62] 62,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 52:[54, 40], Operations: ['73-57=16', '24+16=40'] Exploring Operation: 54-40=14, Resulting Numbers: [14] 14,52 unequal: No Solution Exploring Operation: 54*40=2160, Resulting Numbers: [2160] 2160,52 unequal: No Solution Exploring Operation: 54+40=94, Resulting Numbers: [94] 94,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 52:[24, 70], Operations: ['73-57=16', '54+16=70'] Exploring Operation: 24*70=1680, Resulting Numbers: [1680] 1680,52 unequal: No Solution Exploring Operation: 24+70=94, Resulting Numbers: [94] 94,52 unequal: No Solution Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,52 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: 52:[54, 57, 49], Operations: ['73-24=49'] Exploring Operation: 57-54=3, Resulting Numbers: [49, 3] Generated Node #0,3,0: 52:[49, 3] Operation: 57-54=3 Exploring Operation: 54-49=5, Resulting Numbers: [57, 5] Generated Node #0,3,1: 52:[57, 5] Operation: 54-49=5 Exploring Operation: 57+49=106, Resulting Numbers: [54, 106] Generated Node #0,3,2: 52:[54, 106] Operation: 57+49=106 Exploring Operation: 57-49=8, Resulting Numbers: [54, 8] Generated Node #0,3,3: 52:[54, 8] Operation: 57-49=8 Exploring Operation: 54+49=103, Resulting Numbers: [57, 103] Generated Node #0,3,4: 52:[57, 103] Operation: 54+49=103 Moving to Node #0,1 Current State: 52:[24, 57, 19], Operations: ['73-54=19'] Exploring Operation: 57-19=38, Resulting Numbers: [24, 38] Generated Node #0,1,0: 52:[24, 38] Operation: 57-19=38 Exploring Operation: 24-19=5, Resulting Numbers: [57, 5] Generated Node #0,1,1: 52:[57, 5] Operation: 24-19=5 Exploring Operation: 24+19=43, Resulting Numbers: [57, 43] Generated Node #0,1,2: 52:[57, 43] Operation: 24+19=43 Exploring Operation: 57/19=3, Resulting Numbers: [24, 3] Generated Node #0,1,3: 52:[24, 3] Operation: 57/19=3 Exploring Operation: 57-24=33, Resulting Numbers: [19, 33] Generated Node #0,1,4: 52:[19, 33] Operation: 57-24=33 Moving to Node #0,2 Current State: 52:[73, 24, 3], Operations: ['57-54=3'] Exploring Operation: 24+3=27, Resulting Numbers: [73, 27] Generated Node #0,2,0: 52:[73, 27] Operation: 24+3=27 Exploring Operation: 73-3=70, Resulting Numbers: [24, 70] Generated Node #0,2,1: 52:[24, 70] Operation: 73-3=70 Exploring Operation: 73+3=76, Resulting Numbers: [24, 76] Generated Node #0,2,2: 52:[24, 76] Operation: 73+3=76 Exploring Operation: 24/3=8, Resulting Numbers: [73, 8] Generated Node #0,2,3: 52:[73, 8] Operation: 24/3=8 Exploring Operation: 73-24=49, Resulting Numbers: [3, 49] Generated Node #0,2,4: 52:[3, 49] Operation: 73-24=49 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 52:[3, 49], Operations: ['57-54=3', '73-24=49'] Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,52 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,52 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[73, 24, 54, 57], Operations: [] Exploring Operation: 57-54=3, Resulting Numbers: [73, 24, 3] Generated Node #0,2: 52:[73, 24, 3] Operation: 57-54=3 Moving to Node #0,2 Current State: 52:[73, 24, 3], Operations: ['57-54=3'] Exploring Operation: 73-24=49, Resulting Numbers: [3, 49] Generated Node #0,2,4: 52:[3, 49] Operation: 73-24=49 Moving to Node #0,2,4 Current State: 52:[3, 49], Operations: ['57-54=3', '73-24=49'] Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_5
mult_heuristic
[ 24, 53, 19, 55 ]
67
[ "55-53=2", "24*2=48", "19+48=67" ]
Current State: 67:[24, 53, 19, 55], Operations: [] Exploring Operation: 55-53=2, Resulting Numbers: [24, 19, 2] Generated Node #2: [24, 19, 2] from Operation: 55-53=2 Current State: 67:[24, 19, 2], Operations: ['55-53=2'] Exploring Operation: 24*2=48, Resulting Numbers: [19, 48] Generated Node #3: [19, 48] from Operation: 24*2=48 Current State: 67:[19, 48], Operations: ['55-53=2', '24*2=48'] Exploring Operation: 19+48=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[24, 53, 19, 55], Operations: [] Exploring Operation: 24+19=43, Resulting Numbers: [53, 55, 43] Generated Node #0,0: 67:[53, 55, 43] Operation: 24+19=43 Moving to Node #0,0 Current State: 67:[53, 55, 43], Operations: ['24+19=43'] Exploring Operation: 53+43=96, Resulting Numbers: [55, 96] Generated Node #0,0,0: 67:[55, 96] Operation: 53+43=96 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[55, 96], Operations: ['24+19=43', '53+43=96'] Exploring Operation: 96-55=41, Resulting Numbers: [41] 41,67 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
[ 32, 76, 93, 36 ]
31
[ "32+76=108", "93*36=3348", "3348/108=31" ]
Current State: 31:[32, 76, 93, 36], Operations: [] Exploring Operation: 32+76=108, Resulting Numbers: [93, 36, 108] Generated Node #2: [93, 36, 108] from Operation: 32+76=108 Current State: 31:[93, 36, 108], Operations: ['32+76=108'] Exploring Operation: 93*36=3348, Resulting Numbers: [108, 3348] Generated Node #3: [108, 3348] from Operation: 93*36=3348 Current State: 31:[108, 3348], Operations: ['32+76=108', '93*36=3348'] Exploring Operation: 3348/108=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[32, 76, 93, 36], Operations: [] Exploring Operation: 93-76=17, Resulting Numbers: [32, 36, 17] Generated Node #0,0: 31:[32, 36, 17] Operation: 93-76=17 Exploring Operation: 93-36=57, Resulting Numbers: [32, 76, 57] Generated Node #0,1: 31:[32, 76, 57] Operation: 93-36=57 Exploring Operation: 76-36=40, Resulting Numbers: [32, 93, 40] Generated Node #0,2: 31:[32, 93, 40] Operation: 76-36=40 Moving to Node #0,0 Current State: 31:[32, 36, 17], Operations: ['93-76=17'] Exploring Operation: 32+17=49, Resulting Numbers: [36, 49] Generated Node #0,0,0: 31:[36, 49] Operation: 32+17=49 Exploring Operation: 32-17=15, Resulting Numbers: [36, 15] Generated Node #0,0,1: 31:[36, 15] Operation: 32-17=15 Exploring Operation: 36-17=19, Resulting Numbers: [32, 19] Generated Node #0,0,2: 31:[32, 19] Operation: 36-17=19 Moving to Node #0,1 Current State: 31:[32, 76, 57], Operations: ['93-36=57'] Exploring Operation: 57-32=25, Resulting Numbers: [76, 25] Generated Node #0,1,0: 31:[76, 25] Operation: 57-32=25 Exploring Operation: 76-57=19, Resulting Numbers: [32, 19] Generated Node #0,1,1: 31:[32, 19] Operation: 76-57=19 Exploring Operation: 76-32=44, Resulting Numbers: [57, 44] Generated Node #0,1,2: 31:[57, 44] Operation: 76-32=44 Moving to Node #0,2 Current State: 31:[32, 93, 40], Operations: ['76-36=40'] Exploring Operation: 40-32=8, Resulting Numbers: [93, 8] Generated Node #0,2,0: 31:[93, 8] Operation: 40-32=8 Exploring Operation: 93-40=53, Resulting Numbers: [32, 53] Generated Node #0,2,1: 31:[32, 53] Operation: 93-40=53 Exploring Operation: 93-32=61, Resulting Numbers: [40, 61] Generated Node #0,2,2: 31:[40, 61] Operation: 93-32=61 Moving to Node #0,0,2 Current State: 31:[32, 19], Operations: ['93-76=17', '36-17=19'] Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,31 unequal: No Solution Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,31 unequal: No Solution Exploring Operation: 32*19=608, Resulting Numbers: [608] 608,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[32, 19], Operations: ['93-36=57', '76-57=19'] Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,31 unequal: No Solution Exploring Operation: 32*19=608, Resulting Numbers: [608] 608,31 unequal: No Solution Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[36, 15], Operations: ['93-76=17', '32-17=15'] Exploring Operation: 36*15=540, Resulting Numbers: [540] 540,31 unequal: No Solution Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 36+15=51, Resulting Numbers: [51] 51,31 unequal: No Solution Moving to Node #0,0,0 Current State: 31:[36, 49], Operations: ['93-76=17', '32+17=49'] Exploring Operation: 36+49=85, Resulting Numbers: [85] 85,31 unequal: No Solution Exploring Operation: 49-36=13, Resulting Numbers: [13] 13,31 unequal: No Solution Exploring Operation: 36*49=1764, Resulting Numbers: [1764] 1764,31 unequal: No Solution Moving to Node #0,2,1 Current State: 31:[32, 53], Operations: ['76-36=40', '93-40=53'] Exploring Operation: 32+53=85, Resulting Numbers: [85] 85,31 unequal: No Solution Exploring Operation: 53-32=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 32*53=1696, Resulting Numbers: [1696] 1696,31 unequal: No Solution Moving to Node #0,1,2 Current State: 31:[57, 44], Operations: ['93-36=57', '76-32=44'] Exploring Operation: 57*44=2508, Resulting Numbers: [2508] 2508,31 unequal: No Solution Exploring Operation: 57+44=101, Resulting Numbers: [101] 101,31 unequal: No Solution Exploring Operation: 57-44=13, Resulting Numbers: [13] 13,31 unequal: No Solution Moving to Node #0,2,2 Current State: 31:[40, 61], Operations: ['76-36=40', '93-32=61'] Exploring Operation: 40+61=101, Resulting Numbers: [101] 101,31 unequal: No Solution Exploring Operation: 61-40=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 40*61=2440, Resulting Numbers: [2440] 2440,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[76, 25], Operations: ['93-36=57', '57-32=25'] Exploring Operation: 76+25=101, Resulting Numbers: [101] 101,31 unequal: No Solution Exploring Operation: 76*25=1900, Resulting Numbers: [1900] 1900,31 unequal: No Solution Exploring Operation: 76-25=51, Resulting Numbers: [51] 51,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[93, 8], Operations: ['76-36=40', '40-32=8'] Exploring Operation: 93+8=101, Resulting Numbers: [101] 101,31 unequal: No Solution Exploring Operation: 93*8=744, Resulting Numbers: [744] 744,31 unequal: No Solution Exploring Operation: 93-8=85, Resulting Numbers: [85] 85,31 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 78, 61, 25, 86 ]
28
[ "78+61=139", "25+86=111", "139-111=28" ]
Current State: 28:[78, 61, 25, 86], Operations: [] Exploring Operation: 78+61=139, Resulting Numbers: [25, 86, 139] Generated Node #2: [25, 86, 139] from Operation: 78+61=139 Current State: 28:[25, 86, 139], Operations: ['78+61=139'] Exploring Operation: 25+86=111, Resulting Numbers: [139, 111] Generated Node #3: [139, 111] from Operation: 25+86=111 Current State: 28:[139, 111], Operations: ['78+61=139', '25+86=111'] Exploring Operation: 139-111=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[78, 61, 25, 86], Operations: [] Exploring Operation: 86-78=8, Resulting Numbers: [61, 25, 8] Generated Node #0,0: 28:[61, 25, 8] Operation: 86-78=8 Exploring Operation: 86-61=25, Resulting Numbers: [78, 25, 25] Generated Node #0,1: 28:[78, 25, 25] Operation: 86-61=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[61, 25, 8], Operations: ['86-78=8'] Exploring Operation: 61-25=36, Resulting Numbers: [8, 36] Generated Node #0,0,0: 28:[8, 36] Operation: 61-25=36 Exploring Operation: 61-8=53, Resulting Numbers: [25, 53] Generated Node #0,0,1: 28:[25, 53] Operation: 61-8=53 Moving to Node #0,0,0 Current State: 28:[8, 36], Operations: ['86-78=8', '61-25=36'] Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,28 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[78, 61, 25, 86], Operations: [] Exploring Operation: 86-78=8, Resulting Numbers: [61, 25, 8] Generated Node #0,0: 28:[61, 25, 8] Operation: 86-78=8 Moving to Node #0,0 Current State: 28:[61, 25, 8], Operations: ['86-78=8'] Exploring Operation: 61-25=36, Resulting Numbers: [8, 36] Generated Node #0,0,0: 28:[8, 36] Operation: 61-25=36 Moving to Node #0,0,0 Current State: 28:[8, 36], Operations: ['86-78=8', '61-25=36'] Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 81, 90, 60, 10 ]
79
[ "90-81=9", "60+10=70", "9+70=79" ]
Current State: 79:[81, 90, 60, 10], Operations: [] Exploring Operation: 90-81=9, Resulting Numbers: [60, 10, 9] Generated Node #2: [60, 10, 9] from Operation: 90-81=9 Current State: 79:[60, 10, 9], Operations: ['90-81=9'] Exploring Operation: 60+10=70, Resulting Numbers: [9, 70] Generated Node #3: [9, 70] from Operation: 60+10=70 Current State: 79:[9, 70], Operations: ['90-81=9', '60+10=70'] Exploring Operation: 9+70=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[81, 90, 60, 10], Operations: [] Exploring Operation: 90+10=100, Resulting Numbers: [81, 60, 100] Generated Node #0,0: 79:[81, 60, 100] Operation: 90+10=100 Exploring Operation: 90-10=80, Resulting Numbers: [81, 60, 80] Generated Node #0,1: 79:[81, 60, 80] Operation: 90-10=80 Exploring Operation: 81-10=71, Resulting Numbers: [90, 60, 71] Generated Node #0,2: 79:[90, 60, 71] Operation: 81-10=71 Exploring Operation: 60+10=70, Resulting Numbers: [81, 90, 70] Generated Node #0,3: 79:[81, 90, 70] Operation: 60+10=70 Exploring Operation: 81+10=91, Resulting Numbers: [90, 60, 91] Generated Node #0,4: 79:[90, 60, 91] Operation: 81+10=91 Moving to Node #0,1 Current State: 79:[81, 60, 80], Operations: ['90-10=80'] Exploring Operation: 81-80=1, Resulting Numbers: [60, 1] Generated Node #0,1,0: 79:[60, 1] Operation: 81-80=1 Exploring Operation: 80-60=20, Resulting Numbers: [81, 20] Generated Node #0,1,1: 79:[81, 20] Operation: 80-60=20 Exploring Operation: 81-60=21, Resulting Numbers: [80, 21] Generated Node #0,1,2: 79:[80, 21] Operation: 81-60=21 Exploring Operation: 81+60=141, Resulting Numbers: [80, 141] Generated Node #0,1,3: 79:[80, 141] Operation: 81+60=141 Exploring Operation: 60+80=140, Resulting Numbers: [81, 140] Generated Node #0,1,4: 79:[81, 140] Operation: 60+80=140 Moving to Node #0,3 Current State: 79:[81, 90, 70], Operations: ['60+10=70'] Exploring Operation: 81+70=151, Resulting Numbers: [90, 151] Generated Node #0,3,0: 79:[90, 151] Operation: 81+70=151 Exploring Operation: 90-70=20, Resulting Numbers: [81, 20] Generated Node #0,3,1: 79:[81, 20] Operation: 90-70=20 Exploring Operation: 81-70=11, Resulting Numbers: [90, 11] Generated Node #0,3,2: 79:[90, 11] Operation: 81-70=11 Exploring Operation: 90-81=9, Resulting Numbers: [70, 9] Generated Node #0,3,3: 79:[70, 9] Operation: 90-81=9 Exploring Operation: 90+70=160, Resulting Numbers: [81, 160] Generated Node #0,3,4: 79:[81, 160] Operation: 90+70=160 Moving to Node #0,2 Current State: 79:[90, 60, 71], Operations: ['81-10=71'] Exploring Operation: 90-60=30, Resulting Numbers: [71, 30] Generated Node #0,2,0: 79:[71, 30] Operation: 90-60=30 Exploring Operation: 60+71=131, Resulting Numbers: [90, 131] Generated Node #0,2,1: 79:[90, 131] Operation: 60+71=131 Exploring Operation: 71-60=11, Resulting Numbers: [90, 11] Generated Node #0,2,2: 79:[90, 11] Operation: 71-60=11 Exploring Operation: 90-71=19, Resulting Numbers: [60, 19] Generated Node #0,2,3: 79:[60, 19] Operation: 90-71=19 Exploring Operation: 90+60=150, Resulting Numbers: [71, 150] Generated Node #0,2,4: 79:[71, 150] Operation: 90+60=150 Moving to Node #0,0 Current State: 79:[81, 60, 100], Operations: ['90+10=100'] Exploring Operation: 60+100=160, Resulting Numbers: [81, 160] Generated Node #0,0,0: 79:[81, 160] Operation: 60+100=160 Exploring Operation: 100-81=19, Resulting Numbers: [60, 19] Generated Node #0,0,1: 79:[60, 19] Operation: 100-81=19 Exploring Operation: 100-60=40, Resulting Numbers: [81, 40] Generated Node #0,0,2: 79:[81, 40] Operation: 100-60=40 Exploring Operation: 81+60=141, Resulting Numbers: [100, 141] Generated Node #0,0,3: 79:[100, 141] Operation: 81+60=141 Exploring Operation: 81-60=21, Resulting Numbers: [100, 21] Generated Node #0,0,4: 79:[100, 21] Operation: 81-60=21 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 79:[81, 40], Operations: ['90+10=100', '100-60=40'] Exploring Operation: 81+40=121, Resulting Numbers: [121] 121,79 unequal: No Solution Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,79 unequal: No Solution Exploring Operation: 81*40=3240, Resulting Numbers: [3240] 3240,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 79:[60, 19], Operations: ['90+10=100', '100-81=19'] Exploring Operation: 60+19=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[81, 90, 60, 10], Operations: [] Exploring Operation: 90+10=100, Resulting Numbers: [81, 60, 100] Generated Node #0,0: 79:[81, 60, 100] Operation: 90+10=100 Moving to Node #0,0 Current State: 79:[81, 60, 100], Operations: ['90+10=100'] Exploring Operation: 100-81=19, Resulting Numbers: [60, 19] Generated Node #0,0,1: 79:[60, 19] Operation: 100-81=19 Moving to Node #0,0,1 Current State: 79:[60, 19], Operations: ['90+10=100', '100-81=19'] Exploring Operation: 60+19=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_5
sum_heuristic
[ 6, 15, 5, 95 ]
36
[ "95-5=90", "6*90=540", "540/15=36" ]
Current State: 36:[6, 15, 5, 95], Operations: [] Exploring Operation: 95-5=90, Resulting Numbers: [6, 15, 90] Generated Node #2: [6, 15, 90] from Operation: 95-5=90 Current State: 36:[6, 15, 90], Operations: ['95-5=90'] Exploring Operation: 6*90=540, Resulting Numbers: [15, 540] Generated Node #3: [15, 540] from Operation: 6*90=540 Current State: 36:[15, 540], Operations: ['95-5=90', '6*90=540'] Exploring Operation: 540/15=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[6, 15, 5, 95], Operations: [] Exploring Operation: 95-15=80, Resulting Numbers: [6, 5, 80] Generated Node #0,0: 36:[6, 5, 80] Operation: 95-15=80 Exploring Operation: 95/5=19, Resulting Numbers: [6, 15, 19] Generated Node #0,1: 36:[6, 15, 19] Operation: 95/5=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[6, 15, 19], Operations: ['95/5=19'] Exploring Operation: 19-15=4, Resulting Numbers: [6, 4] Generated Node #0,1,0: 36:[6, 4] Operation: 19-15=4 Exploring Operation: 15-6=9, Resulting Numbers: [19, 9] Generated Node #0,1,1: 36:[19, 9] Operation: 15-6=9 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 36:[6, 4], Operations: ['95/5=19', '19-15=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 36:[19, 9], Operations: ['95/5=19', '15-6=9'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,36 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: 36:[6, 5, 80], Operations: ['95-15=80'] Exploring Operation: 80/5=16, Resulting Numbers: [6, 16] Generated Node #0,0,0: 36:[6, 16] Operation: 80/5=16 Exploring Operation: 80-6=74, Resulting Numbers: [5, 74] Generated Node #0,0,1: 36:[5, 74] Operation: 80-6=74 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 36:[6, 16], Operations: ['95-15=80', '80/5=16'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 36:[5, 74], Operations: ['95-15=80', '80-6=74'] Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,36 unequal: No Solution Exploring Operation: 5+74=79, Resulting Numbers: [79] 79,36 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
[ 4, 62, 93, 8 ]
19
[ "4+62=66", "93-8=85", "85-66=19" ]
Current State: 19:[4, 62, 93, 8], Operations: [] Exploring Operation: 4+62=66, Resulting Numbers: [93, 8, 66] Generated Node #2: [93, 8, 66] from Operation: 4+62=66 Current State: 19:[93, 8, 66], Operations: ['4+62=66'] Exploring Operation: 93-8=85, Resulting Numbers: [66, 85] Generated Node #3: [66, 85] from Operation: 93-8=85 Current State: 19:[66, 85], Operations: ['4+62=66', '93-8=85'] Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[4, 62, 93, 8], Operations: [] Exploring Operation: 93-4=89, Resulting Numbers: [62, 8, 89] Generated Node #0,0: 19:[62, 8, 89] Operation: 93-4=89 Exploring Operation: 93-62=31, Resulting Numbers: [4, 8, 31] Generated Node #0,1: 19:[4, 8, 31] Operation: 93-62=31 Exploring Operation: 62-4=58, Resulting Numbers: [93, 8, 58] Generated Node #0,2: 19:[93, 8, 58] Operation: 62-4=58 Exploring Operation: 4+8=12, Resulting Numbers: [62, 93, 12] Generated Node #0,3: 19:[62, 93, 12] Operation: 4+8=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[4, 8, 31], Operations: ['93-62=31'] Exploring Operation: 4*8=32, Resulting Numbers: [31, 32] Generated Node #0,1,0: 19:[31, 32] Operation: 4*8=32 Exploring Operation: 31-4=27, Resulting Numbers: [8, 27] Generated Node #0,1,1: 19:[8, 27] Operation: 31-4=27 Exploring Operation: 31-8=23, Resulting Numbers: [4, 23] Generated Node #0,1,2: 19:[4, 23] Operation: 31-8=23 Exploring Operation: 4+8=12, Resulting Numbers: [31, 12] Generated Node #0,1,3: 19:[31, 12] Operation: 4+8=12 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 19:[8, 27], Operations: ['93-62=31', '31-4=27'] Exploring Operation: 8*27=216, Resulting Numbers: [216] 216,19 unequal: No Solution Exploring Operation: 8+27=35, Resulting Numbers: [35] 35,19 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[4, 62, 93, 8], Operations: [] Exploring Operation: 93-62=31, Resulting Numbers: [4, 8, 31] Generated Node #0,1: 19:[4, 8, 31] Operation: 93-62=31 Moving to Node #0,1 Current State: 19:[4, 8, 31], Operations: ['93-62=31'] Exploring Operation: 31-4=27, Resulting Numbers: [8, 27] Generated Node #0,1,1: 19:[8, 27] Operation: 31-4=27 Moving to Node #0,1,1 Current State: 19:[8, 27], Operations: ['93-62=31', '31-4=27'] Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 57, 40, 64, 8 ]
25
[ "57+40=97", "64+8=72", "97-72=25" ]
Current State: 25:[57, 40, 64, 8], Operations: [] Exploring Operation: 57+40=97, Resulting Numbers: [64, 8, 97] Generated Node #2: [64, 8, 97] from Operation: 57+40=97 Current State: 25:[64, 8, 97], Operations: ['57+40=97'] Exploring Operation: 64+8=72, Resulting Numbers: [97, 72] Generated Node #3: [97, 72] from Operation: 64+8=72 Current State: 25:[97, 72], Operations: ['57+40=97', '64+8=72'] Exploring Operation: 97-72=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[57, 40, 64, 8], Operations: [] Exploring Operation: 64-40=24, Resulting Numbers: [57, 8, 24] Generated Node #0,0: 25:[57, 8, 24] Operation: 64-40=24 Exploring Operation: 64-57=7, Resulting Numbers: [40, 8, 7] Generated Node #0,1: 25:[40, 8, 7] Operation: 64-57=7 Moving to Node #0,1 Current State: 25:[40, 8, 7], Operations: ['64-57=7'] Exploring Operation: 40-8=32, Resulting Numbers: [7, 32] Generated Node #0,1,0: 25:[7, 32] Operation: 40-8=32 Exploring Operation: 40/8=5, Resulting Numbers: [7, 5] Generated Node #0,1,1: 25:[7, 5] Operation: 40/8=5 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[7, 5], Operations: ['64-57=7', '40/8=5'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[7, 32], Operations: ['64-57=7', '40-8=32'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[57, 40, 64, 8], Operations: [] Exploring Operation: 64-57=7, Resulting Numbers: [40, 8, 7] Generated Node #0,1: 25:[40, 8, 7] Operation: 64-57=7 Moving to Node #0,1 Current State: 25:[40, 8, 7], Operations: ['64-57=7'] Exploring Operation: 40-8=32, Resulting Numbers: [7, 32] Generated Node #0,1,0: 25:[7, 32] Operation: 40-8=32 Moving to Node #0,1,0 Current State: 25:[7, 32], Operations: ['64-57=7', '40-8=32'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 54, 80, 45, 42 ]
87
[ "80*45=3600", "54+3600=3654", "3654/42=87" ]
Current State: 87:[54, 80, 45, 42], Operations: [] Exploring Operation: 80*45=3600, Resulting Numbers: [54, 42, 3600] Generated Node #2: [54, 42, 3600] from Operation: 80*45=3600 Current State: 87:[54, 42, 3600], Operations: ['80*45=3600'] Exploring Operation: 54+3600=3654, Resulting Numbers: [42, 3654] Generated Node #3: [42, 3654] from Operation: 54+3600=3654 Current State: 87:[42, 3654], Operations: ['80*45=3600', '54+3600=3654'] Exploring Operation: 3654/42=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[54, 80, 45, 42], Operations: [] Exploring Operation: 54-45=9, Resulting Numbers: [80, 42, 9] Generated Node #0,0: 87:[80, 42, 9] Operation: 54-45=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[80, 42, 9], Operations: ['54-45=9'] Exploring Operation: 42-9=33, Resulting Numbers: [80, 33] Generated Node #0,0,0: 87:[80, 33] Operation: 42-9=33 Moving to Node #0,0,0 Current State: 87:[80, 33], Operations: ['54-45=9', '42-9=33'] Exploring Operation: 80-33=47, Resulting Numbers: [47] 47,87 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
[ 15, 23, 28, 3 ]
92
[ "23-15=8", "28*3=84", "8+84=92" ]
Current State: 92:[15, 23, 28, 3], Operations: [] Exploring Operation: 23-15=8, Resulting Numbers: [28, 3, 8] Generated Node #2: [28, 3, 8] from Operation: 23-15=8 Current State: 92:[28, 3, 8], Operations: ['23-15=8'] Exploring Operation: 28*3=84, Resulting Numbers: [8, 84] Generated Node #3: [8, 84] from Operation: 28*3=84 Current State: 92:[8, 84], Operations: ['23-15=8', '28*3=84'] Exploring Operation: 8+84=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[15, 23, 28, 3], Operations: [] Exploring Operation: 15*3=45, Resulting Numbers: [23, 28, 45] Generated Node #0,0: 92:[23, 28, 45] Operation: 15*3=45 Exploring Operation: 15+28=43, Resulting Numbers: [23, 3, 43] Generated Node #0,1: 92:[23, 3, 43] Operation: 15+28=43 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[23, 3, 43], Operations: ['15+28=43'] Exploring Operation: 43-23=20, Resulting Numbers: [3, 20] Generated Node #0,1,0: 92:[3, 20] Operation: 43-23=20 Exploring Operation: 3+43=46, Resulting Numbers: [23, 46] Generated Node #0,1,1: 92:[23, 46] Operation: 3+43=46 Moving to Node #0,1,1 Current State: 92:[23, 46], Operations: ['15+28=43', '3+43=46'] Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[3, 20], Operations: ['15+28=43', '43-23=20'] Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,92 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[23, 28, 45], Operations: ['15*3=45'] Exploring Operation: 23+28=51, Resulting Numbers: [45, 51] Generated Node #0,0,0: 92:[45, 51] Operation: 23+28=51 Exploring Operation: 28-23=5, Resulting Numbers: [45, 5] Generated Node #0,0,1: 92:[45, 5] Operation: 28-23=5 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 92:[45, 5], Operations: ['15*3=45', '28-23=5'] Exploring Operation: 45+5=50, Resulting Numbers: [50] 50,92 unequal: No Solution Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 92:[45, 51], Operations: ['15*3=45', '23+28=51'] Exploring Operation: 45+51=96, Resulting Numbers: [96] 96,92 unequal: No Solution Exploring Operation: 51-45=6, Resulting Numbers: [6] 6,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 38, 75, 16, 14 ]
50
[ "38-14=24", "75*16=1200", "1200/24=50" ]
Current State: 50:[38, 75, 16, 14], Operations: [] Exploring Operation: 38-14=24, Resulting Numbers: [75, 16, 24] Generated Node #2: [75, 16, 24] from Operation: 38-14=24 Current State: 50:[75, 16, 24], Operations: ['38-14=24'] Exploring Operation: 75*16=1200, Resulting Numbers: [24, 1200] Generated Node #3: [24, 1200] from Operation: 75*16=1200 Current State: 50:[24, 1200], Operations: ['38-14=24', '75*16=1200'] Exploring Operation: 1200/24=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[38, 75, 16, 14], Operations: [] Exploring Operation: 38-14=24, Resulting Numbers: [75, 16, 24] Generated Node #0,0: 50:[75, 16, 24] Operation: 38-14=24 Exploring Operation: 75-38=37, Resulting Numbers: [16, 14, 37] Generated Node #0,1: 50:[16, 14, 37] Operation: 75-38=37 Exploring Operation: 75-14=61, Resulting Numbers: [38, 16, 61] Generated Node #0,2: 50:[38, 16, 61] Operation: 75-14=61 Exploring Operation: 38-16=22, Resulting Numbers: [75, 14, 22] Generated Node #0,3: 50:[75, 14, 22] Operation: 38-16=22 Exploring Operation: 75-16=59, Resulting Numbers: [38, 14, 59] Generated Node #0,4: 50:[38, 14, 59] Operation: 75-16=59 Moving to Node #0,1 Current State: 50:[16, 14, 37], Operations: ['75-38=37'] Exploring Operation: 14+37=51, Resulting Numbers: [16, 51] Generated Node #0,1,0: 50:[16, 51] Operation: 14+37=51 Exploring Operation: 37-16=21, Resulting Numbers: [14, 21] Generated Node #0,1,1: 50:[14, 21] Operation: 37-16=21 Exploring Operation: 37-14=23, Resulting Numbers: [16, 23] Generated Node #0,1,2: 50:[16, 23] Operation: 37-14=23 Exploring Operation: 16-14=2, Resulting Numbers: [37, 2] Generated Node #0,1,3: 50:[37, 2] Operation: 16-14=2 Exploring Operation: 16+37=53, Resulting Numbers: [14, 53] Generated Node #0,1,4: 50:[14, 53] Operation: 16+37=53 Moving to Node #0,4 Current State: 50:[38, 14, 59], Operations: ['75-16=59'] Exploring Operation: 59-14=45, Resulting Numbers: [38, 45] Generated Node #0,4,0: 50:[38, 45] Operation: 59-14=45 Exploring Operation: 38-14=24, Resulting Numbers: [59, 24] Generated Node #0,4,1: 50:[59, 24] Operation: 38-14=24 Exploring Operation: 14+59=73, Resulting Numbers: [38, 73] Generated Node #0,4,2: 50:[38, 73] Operation: 14+59=73 Exploring Operation: 59-38=21, Resulting Numbers: [14, 21] Generated Node #0,4,3: 50:[14, 21] Operation: 59-38=21 Exploring Operation: 38+14=52, Resulting Numbers: [59, 52] Generated Node #0,4,4: 50:[59, 52] Operation: 38+14=52 Moving to Node #0,2 Current State: 50:[38, 16, 61], Operations: ['75-14=61'] Exploring Operation: 38+16=54, Resulting Numbers: [61, 54] Generated Node #0,2,0: 50:[61, 54] Operation: 38+16=54 Exploring Operation: 16+61=77, Resulting Numbers: [38, 77] Generated Node #0,2,1: 50:[38, 77] Operation: 16+61=77 Exploring Operation: 61-16=45, Resulting Numbers: [38, 45] Generated Node #0,2,2: 50:[38, 45] Operation: 61-16=45 Exploring Operation: 61-38=23, Resulting Numbers: [16, 23] Generated Node #0,2,3: 50:[16, 23] Operation: 61-38=23 Exploring Operation: 38-16=22, Resulting Numbers: [61, 22] Generated Node #0,2,4: 50:[61, 22] Operation: 38-16=22 Moving to Node #0,0 Current State: 50:[75, 16, 24], Operations: ['38-14=24'] Exploring Operation: 75-16=59, Resulting Numbers: [24, 59] Generated Node #0,0,0: 50:[24, 59] Operation: 75-16=59 Exploring Operation: 75-24=51, Resulting Numbers: [16, 51] Generated Node #0,0,1: 50:[16, 51] Operation: 75-24=51 Exploring Operation: 24-16=8, Resulting Numbers: [75, 8] Generated Node #0,0,2: 50:[75, 8] Operation: 24-16=8 Exploring Operation: 16+24=40, Resulting Numbers: [75, 40] Generated Node #0,0,3: 50:[75, 40] Operation: 16+24=40 Exploring Operation: 75+16=91, Resulting Numbers: [24, 91] Generated Node #0,0,4: 50:[24, 91] Operation: 75+16=91 Moving to Node #0,3 Current State: 50:[75, 14, 22], Operations: ['38-16=22'] Exploring Operation: 75-14=61, Resulting Numbers: [22, 61] Generated Node #0,3,0: 50:[22, 61] Operation: 75-14=61 Exploring Operation: 75+14=89, Resulting Numbers: [22, 89] Generated Node #0,3,1: 50:[22, 89] Operation: 75+14=89 Exploring Operation: 14+22=36, Resulting Numbers: [75, 36] Generated Node #0,3,2: 50:[75, 36] Operation: 14+22=36 Exploring Operation: 75-22=53, Resulting Numbers: [14, 53] Generated Node #0,3,3: 50:[14, 53] Operation: 75-22=53 Exploring Operation: 22-14=8, Resulting Numbers: [75, 8] Generated Node #0,3,4: 50:[75, 8] Operation: 22-14=8 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 50:[14, 53], Operations: ['38-16=22', '75-22=53'] Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 14+53=67, Resulting Numbers: [67] 67,50 unequal: No Solution Exploring Operation: 14*53=742, Resulting Numbers: [742] 742,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 50:[22, 61], Operations: ['38-16=22', '75-14=61'] Exploring Operation: 22*61=1342, Resulting Numbers: [1342] 1342,50 unequal: No Solution Exploring Operation: 61-22=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 22+61=83, Resulting Numbers: [83] 83,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 50:[75, 8], Operations: ['38-16=22', '22-14=8'] Exploring Operation: 75-8=67, Resulting Numbers: [67] 67,50 unequal: No Solution Exploring Operation: 75+8=83, Resulting Numbers: [83] 83,50 unequal: No Solution Exploring Operation: 75*8=600, Resulting Numbers: [600] 600,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 50:[75, 36], Operations: ['38-16=22', '14+22=36'] Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 75*36=2700, Resulting Numbers: [2700] 2700,50 unequal: No Solution Exploring Operation: 75+36=111, Resulting Numbers: [111] 111,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 50:[22, 89], Operations: ['38-16=22', '75+14=89'] Exploring Operation: 22+89=111, Resulting Numbers: [111] 111,50 unequal: No Solution Exploring Operation: 22*89=1958, Resulting Numbers: [1958] 1958,50 unequal: No Solution Exploring Operation: 89-22=67, Resulting Numbers: [67] 67,50 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: 50:[16, 51], Operations: ['75-38=37', '14+37=51'] Exploring Operation: 16+51=67, Resulting Numbers: [67] 67,50 unequal: No Solution Exploring Operation: 16*51=816, Resulting Numbers: [816] 816,50 unequal: No Solution Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,50 unequal: No Solution Moving to Node #0,1,4 Current State: 50:[14, 53], Operations: ['75-38=37', '16+37=53'] Exploring Operation: 14+53=67, Resulting Numbers: [67] 67,50 unequal: No Solution Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 14*53=742, Resulting Numbers: [742] 742,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[16, 51], Operations: ['38-14=24', '75-24=51'] Exploring Operation: 16+51=67, Resulting Numbers: [67] 67,50 unequal: No Solution Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,50 unequal: No Solution Exploring Operation: 16*51=816, Resulting Numbers: [816] 816,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[14, 21], Operations: ['75-38=37', '37-16=21'] Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 14*21=294, Resulting Numbers: [294] 294,50 unequal: No Solution Exploring Operation: 14+21=35, Resulting Numbers: [35] 35,50 unequal: No Solution Moving to Node #0,4,3 Current State: 50:[14, 21], Operations: ['75-16=59', '59-38=21'] Exploring Operation: 14+21=35, Resulting Numbers: [35] 35,50 unequal: No Solution Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 14*21=294, Resulting Numbers: [294] 294,50 unequal: No Solution Moving to Node #0,2,3 Current State: 50:[16, 23], Operations: ['75-14=61', '61-38=23'] Exploring Operation: 16+23=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 16*23=368, Resulting Numbers: [368] 368,50 unequal: No Solution Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[16, 23], Operations: ['75-38=37', '37-14=23'] Exploring Operation: 16*23=368, Resulting Numbers: [368] 368,50 unequal: No Solution Exploring Operation: 16+23=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,50 unequal: No Solution Moving to Node #0,4,1 Current State: 50:[59, 24], Operations: ['75-16=59', '38-14=24'] Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,50 unequal: No Solution Exploring Operation: 59*24=1416, Resulting Numbers: [1416] 1416,50 unequal: No Solution Exploring Operation: 59+24=83, Resulting Numbers: [83] 83,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[24, 59], Operations: ['38-14=24', '75-16=59'] Exploring Operation: 24+59=83, Resulting Numbers: [83] 83,50 unequal: No Solution Exploring Operation: 24*59=1416, Resulting Numbers: [1416] 1416,50 unequal: No Solution Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,50 unequal: No Solution Moving to Node #0,4,4 Current State: 50:[59, 52], Operations: ['75-16=59', '38+14=52'] Exploring Operation: 59-52=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 59+52=111, Resulting Numbers: [111] 111,50 unequal: No Solution Exploring Operation: 59*52=3068, Resulting Numbers: [3068] 3068,50 unequal: No Solution Moving to Node #0,1,3 Current State: 50:[37, 2], Operations: ['75-38=37', '16-14=2'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,50 unequal: No Solution Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,50 unequal: No Solution Moving to Node #0,2,4 Current State: 50:[61, 22], Operations: ['75-14=61', '38-16=22'] Exploring Operation: 61+22=83, Resulting Numbers: [83] 83,50 unequal: No Solution Exploring Operation: 61-22=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 61*22=1342, Resulting Numbers: [1342] 1342,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[61, 54], Operations: ['75-14=61', '38+16=54'] Exploring Operation: 61-54=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 61*54=3294, Resulting Numbers: [3294] 3294,50 unequal: No Solution Exploring Operation: 61+54=115, Resulting Numbers: [115] 115,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[38, 45], Operations: ['75-14=61', '61-16=45'] Exploring Operation: 38+45=83, Resulting Numbers: [83] 83,50 unequal: No Solution Exploring Operation: 38*45=1710, Resulting Numbers: [1710] 1710,50 unequal: No Solution Exploring Operation: 45-38=7, Resulting Numbers: [7] 7,50 unequal: No Solution Moving to Node #0,4,0 Current State: 50:[38, 45], Operations: ['75-16=59', '59-14=45'] Exploring Operation: 45-38=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 38+45=83, Resulting Numbers: [83] 83,50 unequal: No Solution Exploring Operation: 38*45=1710, Resulting Numbers: [1710] 1710,50 unequal: No Solution Moving to Node #0,0,2 Current State: 50:[75, 8], Operations: ['38-14=24', '24-16=8'] Exploring Operation: 75*8=600, Resulting Numbers: [600] 600,50 unequal: No Solution Exploring Operation: 75+8=83, Resulting Numbers: [83] 83,50 unequal: No Solution Exploring Operation: 75-8=67, Resulting Numbers: [67] 67,50 unequal: No Solution Moving to Node #0,4,2 Current State: 50:[38, 73], Operations: ['75-16=59', '14+59=73'] Exploring Operation: 73-38=35, Resulting Numbers: [35] 35,50 unequal: No Solution Exploring Operation: 38+73=111, Resulting Numbers: [111] 111,50 unequal: No Solution Exploring Operation: 38*73=2774, Resulting Numbers: [2774] 2774,50 unequal: No Solution Moving to Node #0,0,3 Current State: 50:[75, 40], Operations: ['38-14=24', '16+24=40'] Exploring Operation: 75*40=3000, Resulting Numbers: [3000] 3000,50 unequal: No Solution Exploring Operation: 75-40=35, Resulting Numbers: [35] 35,50 unequal: No Solution Exploring Operation: 75+40=115, Resulting Numbers: [115] 115,50 unequal: No Solution Moving to Node #0,2,1 Current State: 50:[38, 77], Operations: ['75-14=61', '16+61=77'] Exploring Operation: 38*77=2926, Resulting Numbers: [2926] 2926,50 unequal: No Solution Exploring Operation: 77-38=39, Resulting Numbers: [39] 39,50 unequal: No Solution Exploring Operation: 38+77=115, Resulting Numbers: [115] 115,50 unequal: No Solution Moving to Node #0,0,4 Current State: 50:[24, 91], Operations: ['38-14=24', '75+16=91'] Exploring Operation: 24*91=2184, Resulting Numbers: [2184] 2184,50 unequal: No Solution Exploring Operation: 24+91=115, Resulting Numbers: [115] 115,50 unequal: No Solution Exploring Operation: 91-24=67, Resulting Numbers: [67] 67,50 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 35, 4, 66, 16 ]
33
[ "66-35=31", "4*16=64", "64-31=33" ]
Current State: 33:[35, 4, 66, 16], Operations: [] Exploring Operation: 66-35=31, Resulting Numbers: [4, 16, 31] Generated Node #2: [4, 16, 31] from Operation: 66-35=31 Current State: 33:[4, 16, 31], Operations: ['66-35=31'] Exploring Operation: 4*16=64, Resulting Numbers: [31, 64] Generated Node #3: [31, 64] from Operation: 4*16=64 Current State: 33:[31, 64], Operations: ['66-35=31', '4*16=64'] Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[35, 4, 66, 16], Operations: [] Exploring Operation: 66-35=31, Resulting Numbers: [4, 16, 31] Generated Node #0,0: 33:[4, 16, 31] Operation: 66-35=31 Moving to Node #0,0 Current State: 33:[4, 16, 31], Operations: ['66-35=31'] Exploring Operation: 16-4=12, Resulting Numbers: [31, 12] Generated Node #0,0,0: 33:[31, 12] Operation: 16-4=12 Moving to Node #0,0,0 Current State: 33:[31, 12], Operations: ['66-35=31', '16-4=12'] Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,33 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 71, 16, 52, 63 ]
54
[ "71-63=8", "16/8=2", "52+2=54" ]
Current State: 54:[71, 16, 52, 63], Operations: [] Exploring Operation: 71-63=8, Resulting Numbers: [16, 52, 8] Generated Node #2: [16, 52, 8] from Operation: 71-63=8 Current State: 54:[16, 52, 8], Operations: ['71-63=8'] Exploring Operation: 16/8=2, Resulting Numbers: [52, 2] Generated Node #3: [52, 2] from Operation: 16/8=2 Current State: 54:[52, 2], Operations: ['71-63=8', '16/8=2'] Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[71, 16, 52, 63], Operations: [] Exploring Operation: 71-63=8, Resulting Numbers: [16, 52, 8] Generated Node #0,0: 54:[16, 52, 8] Operation: 71-63=8 Exploring Operation: 71-52=19, Resulting Numbers: [16, 63, 19] Generated Node #0,1: 54:[16, 63, 19] Operation: 71-52=19 Exploring Operation: 71-16=55, Resulting Numbers: [52, 63, 55] Generated Node #0,2: 54:[52, 63, 55] Operation: 71-16=55 Moving to Node #0,0 Current State: 54:[16, 52, 8], Operations: ['71-63=8'] Exploring Operation: 16-8=8, Resulting Numbers: [52, 8] Generated Node #0,0,0: 54:[52, 8] Operation: 16-8=8 Exploring Operation: 16+8=24, Resulting Numbers: [52, 24] Generated Node #0,0,1: 54:[52, 24] Operation: 16+8=24 Exploring Operation: 16/8=2, Resulting Numbers: [52, 2] Generated Node #0,0,2: 54:[52, 2] Operation: 16/8=2 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 54:[52, 2], Operations: ['71-63=8', '16/8=2'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,54 unequal: No Solution Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[71, 16, 52, 63], Operations: [] Exploring Operation: 71-63=8, Resulting Numbers: [16, 52, 8] Generated Node #0,0: 54:[16, 52, 8] Operation: 71-63=8 Moving to Node #0,0 Current State: 54:[16, 52, 8], Operations: ['71-63=8'] Exploring Operation: 16/8=2, Resulting Numbers: [52, 2] Generated Node #0,0,2: 54:[52, 2] Operation: 16/8=2 Moving to Node #0,0,2 Current State: 54:[52, 2], Operations: ['71-63=8', '16/8=2'] Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 75, 22, 25, 2 ]
30
[ "75-22=53", "25-2=23", "53-23=30" ]
Current State: 30:[75, 22, 25, 2], Operations: [] Exploring Operation: 75-22=53, Resulting Numbers: [25, 2, 53] Generated Node #2: [25, 2, 53] from Operation: 75-22=53 Current State: 30:[25, 2, 53], Operations: ['75-22=53'] Exploring Operation: 25-2=23, Resulting Numbers: [53, 23] Generated Node #3: [53, 23] from Operation: 25-2=23 Current State: 30:[53, 23], Operations: ['75-22=53', '25-2=23'] Exploring Operation: 53-23=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[75, 22, 25, 2], Operations: [] Exploring Operation: 75-25=50, Resulting Numbers: [22, 2, 50] Generated Node #0,0: 30:[22, 2, 50] Operation: 75-25=50 Exploring Operation: 75/25=3, Resulting Numbers: [22, 2, 3] Generated Node #0,1: 30:[22, 2, 3] Operation: 75/25=3 Exploring Operation: 75-22=53, Resulting Numbers: [25, 2, 53] Generated Node #0,2: 30:[25, 2, 53] Operation: 75-22=53 Exploring Operation: 25-22=3, Resulting Numbers: [75, 2, 3] Generated Node #0,3: 30:[75, 2, 3] Operation: 25-22=3 Moving to Node #0,1 Current State: 30:[22, 2, 3], Operations: ['75/25=3'] Exploring Operation: 22+3=25, Resulting Numbers: [2, 25] Generated Node #0,1,0: 30:[2, 25] Operation: 22+3=25 Exploring Operation: 22-3=19, Resulting Numbers: [2, 19] Generated Node #0,1,1: 30:[2, 19] Operation: 22-3=19 Exploring Operation: 22/2=11, Resulting Numbers: [3, 11] Generated Node #0,1,2: 30:[3, 11] Operation: 22/2=11 Exploring Operation: 22-2=20, Resulting Numbers: [3, 20] Generated Node #0,1,3: 30:[3, 20] Operation: 22-2=20 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 30:[3, 11], Operations: ['75/25=3', '22/2=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,30 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 30:[2, 19], Operations: ['75/25=3', '22-3=19'] Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,30 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 30:[2, 25], Operations: ['75/25=3', '22+3=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,30 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 30:[3, 20], Operations: ['75/25=3', '22-2=20'] Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,30 unequal: No Solution Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,30 unequal: No Solution Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 30:[22, 2, 50], Operations: ['75-25=50'] Exploring Operation: 22-2=20, Resulting Numbers: [50, 20] Generated Node #0,0,0: 30:[50, 20] Operation: 22-2=20 Exploring Operation: 22/2=11, Resulting Numbers: [50, 11] Generated Node #0,0,1: 30:[50, 11] Operation: 22/2=11 Exploring Operation: 50/2=25, Resulting Numbers: [22, 25] Generated Node #0,0,2: 30:[22, 25] Operation: 50/2=25 Exploring Operation: 50-22=28, Resulting Numbers: [2, 28] Generated Node #0,0,3: 30:[2, 28] Operation: 50-22=28 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 30:[2, 28], Operations: ['75-25=50', '50-22=28'] Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[75, 22, 25, 2], Operations: [] Exploring Operation: 75-25=50, Resulting Numbers: [22, 2, 50] Generated Node #0,0: 30:[22, 2, 50] Operation: 75-25=50 Moving to Node #0,0 Current State: 30:[22, 2, 50], Operations: ['75-25=50'] Exploring Operation: 50-22=28, Resulting Numbers: [2, 28] Generated Node #0,0,3: 30:[2, 28] Operation: 50-22=28 Moving to Node #0,0,3 Current State: 30:[2, 28], Operations: ['75-25=50', '50-22=28'] Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_4
mult_heuristic
[ 6, 22, 22, 70 ]
63
[ "70-6=64", "22/22=1", "64-1=63" ]
Current State: 63:[6, 22, 22, 70], Operations: [] Exploring Operation: 70-6=64, Resulting Numbers: [22, 22, 64] Generated Node #2: [22, 22, 64] from Operation: 70-6=64 Current State: 63:[22, 22, 64], Operations: ['70-6=64'] Exploring Operation: 22/22=1, Resulting Numbers: [64, 1] Generated Node #3: [64, 1] from Operation: 22/22=1 Current State: 63:[64, 1], Operations: ['70-6=64', '22/22=1'] Exploring Operation: 64-1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[6, 22, 22, 70], Operations: [] Exploring Operation: 70-6=64, Resulting Numbers: [22, 22, 64] Generated Node #0,0: 63:[22, 22, 64] Operation: 70-6=64 Exploring Operation: 22/22=1, Resulting Numbers: [6, 70, 1] Generated Node #0,1: 63:[6, 70, 1] Operation: 22/22=1 Moving to Node #0,0 Current State: 63:[22, 22, 64], Operations: ['70-6=64'] Exploring Operation: 22/22=1, Resulting Numbers: [64, 1] Generated Node #0,0,0: 63:[64, 1] Operation: 22/22=1 Exploring Operation: 22-22=0, Resulting Numbers: [64, 0] Generated Node #0,0,1: 63:[64, 0] Operation: 22-22=0 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[64, 1], Operations: ['70-6=64', '22/22=1'] Exploring Operation: 64*1=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 64-1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[6, 22, 22, 70], Operations: [] Exploring Operation: 70-6=64, Resulting Numbers: [22, 22, 64] Generated Node #0,0: 63:[22, 22, 64] Operation: 70-6=64 Moving to Node #0,0 Current State: 63:[22, 22, 64], Operations: ['70-6=64'] Exploring Operation: 22/22=1, Resulting Numbers: [64, 1] Generated Node #0,0,0: 63:[64, 1] Operation: 22/22=1 Moving to Node #0,0,0 Current State: 63:[64, 1], Operations: ['70-6=64', '22/22=1'] Exploring Operation: 64-1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 22, 37, 28, 2 ]
12
[ "22+28=50", "50/2=25", "37-25=12" ]
Current State: 12:[22, 37, 28, 2], Operations: [] Exploring Operation: 22+28=50, Resulting Numbers: [37, 2, 50] Generated Node #2: [37, 2, 50] from Operation: 22+28=50 Current State: 12:[37, 2, 50], Operations: ['22+28=50'] Exploring Operation: 50/2=25, Resulting Numbers: [37, 25] Generated Node #3: [37, 25] from Operation: 50/2=25 Current State: 12:[37, 25], Operations: ['22+28=50', '50/2=25'] Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[22, 37, 28, 2], Operations: [] Exploring Operation: 37-22=15, Resulting Numbers: [28, 2, 15] Generated Node #0,0: 12:[28, 2, 15] Operation: 37-22=15 Exploring Operation: 28-22=6, Resulting Numbers: [37, 2, 6] Generated Node #0,1: 12:[37, 2, 6] Operation: 28-22=6 Exploring Operation: 37-28=9, Resulting Numbers: [22, 2, 9] Generated Node #0,2: 12:[22, 2, 9] Operation: 37-28=9 Exploring Operation: 28/2=14, Resulting Numbers: [22, 37, 14] Generated Node #0,3: 12:[22, 37, 14] Operation: 28/2=14 Start Sub Search at level 1: Moving to Node #0,2 Current State: 12:[22, 2, 9], Operations: ['37-28=9'] Exploring Operation: 22-9=13, Resulting Numbers: [2, 13] Generated Node #0,2,0: 12:[2, 13] Operation: 22-9=13 Exploring Operation: 2+9=11, Resulting Numbers: [22, 11] Generated Node #0,2,1: 12:[22, 11] Operation: 2+9=11 Exploring Operation: 22-2=20, Resulting Numbers: [9, 20] Generated Node #0,2,2: 12:[9, 20] Operation: 22-2=20 Exploring Operation: 22/2=11, Resulting Numbers: [9, 11] Generated Node #0,2,3: 12:[9, 11] Operation: 22/2=11 Moving to Node #0,2,0 Current State: 12:[2, 13], Operations: ['37-28=9', '22-9=13'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,12 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,12 unequal: No Solution Moving to Node #0,2,3 Current State: 12:[9, 11], Operations: ['37-28=9', '22/2=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,12 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,12 unequal: No Solution Moving to Node #0,2,2 Current State: 12:[9, 20], Operations: ['37-28=9', '22-2=20'] Exploring Operation: 9*20=180, Resulting Numbers: [180] 180,12 unequal: No Solution Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 9+20=29, Resulting Numbers: [29] 29,12 unequal: No Solution Moving to Node #0,2,1 Current State: 12:[22, 11], Operations: ['37-28=9', '2+9=11'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 22+11=33, Resulting Numbers: [33] 33,12 unequal: No Solution Exploring Operation: 22*11=242, Resulting Numbers: [242] 242,12 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 Current State: 12:[28, 2, 15], Operations: ['37-22=15'] Exploring Operation: 28-15=13, Resulting Numbers: [2, 13] Generated Node #0,0,0: 12:[2, 13] Operation: 28-15=13 Exploring Operation: 15-2=13, Resulting Numbers: [28, 13] Generated Node #0,0,1: 12:[28, 13] Operation: 15-2=13 Exploring Operation: 28-2=26, Resulting Numbers: [15, 26] Generated Node #0,0,2: 12:[15, 26] Operation: 28-2=26 Exploring Operation: 28/2=14, Resulting Numbers: [15, 14] Generated Node #0,0,3: 12:[15, 14] Operation: 28/2=14 Moving to Node #0,0,0 Current State: 12:[2, 13], Operations: ['37-22=15', '28-15=13'] Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,12 unequal: No Solution Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,12 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,12 unequal: No Solution Moving to Node #0,0,3 Current State: 12:[15, 14], Operations: ['37-22=15', '28/2=14'] Exploring Operation: 15*14=210, Resulting Numbers: [210] 210,12 unequal: No Solution Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 15+14=29, Resulting Numbers: [29] 29,12 unequal: No Solution Moving to Node #0,0,2 Current State: 12:[15, 26], Operations: ['37-22=15', '28-2=26'] Exploring Operation: 15+26=41, Resulting Numbers: [41] 41,12 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 15*26=390, Resulting Numbers: [390] 390,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[28, 13], Operations: ['37-22=15', '15-2=13'] Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,12 unequal: No Solution Exploring Operation: 28+13=41, Resulting Numbers: [41] 41,12 unequal: No Solution Exploring Operation: 28*13=364, Resulting Numbers: [364] 364,12 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 #0,1 Current State: 12:[37, 2, 6], Operations: ['28-22=6'] Exploring Operation: 2*6=12, Resulting Numbers: [37, 12] Generated Node #0,1,0: 12:[37, 12] Operation: 2*6=12 Exploring Operation: 6-2=4, Resulting Numbers: [37, 4] Generated Node #0,1,1: 12:[37, 4] Operation: 6-2=4 Exploring Operation: 37-6=31, Resulting Numbers: [2, 31] Generated Node #0,1,2: 12:[2, 31] Operation: 37-6=31 Exploring Operation: 37-2=35, Resulting Numbers: [6, 35] Generated Node #0,1,3: 12:[6, 35] Operation: 37-2=35 Moving to Node #0,1,2 Current State: 12:[2, 31], Operations: ['28-22=6', '37-6=31'] Exploring Operation: 2+31=33, Resulting Numbers: [33] 33,12 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,12 unequal: No Solution Exploring Operation: 2*31=62, Resulting Numbers: [62] 62,12 unequal: No Solution Moving to Node #0,1,3 Current State: 12:[6, 35], Operations: ['28-22=6', '37-2=35'] Exploring Operation: 6*35=210, Resulting Numbers: [210] 210,12 unequal: No Solution Exploring Operation: 6+35=41, Resulting Numbers: [41] 41,12 unequal: No Solution Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,12 unequal: No Solution Moving to Node #0,1,1 Current State: 12:[37, 4], Operations: ['28-22=6', '6-2=4'] Exploring Operation: 37+4=41, Resulting Numbers: [41] 41,12 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,12 unequal: No Solution Exploring Operation: 37*4=148, Resulting Numbers: [148] 148,12 unequal: No Solution Moving to Node #0,1,0 Current State: 12:[37, 12], Operations: ['28-22=6', '2*6=12'] Exploring Operation: 37+12=49, Resulting Numbers: [49] 49,12 unequal: No Solution Exploring Operation: 37*12=444, Resulting Numbers: [444] 444,12 unequal: No Solution Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,12 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 #0,3 Current State: 12:[22, 37, 14], Operations: ['28/2=14'] Exploring Operation: 22-14=8, Resulting Numbers: [37, 8] Generated Node #0,3,0: 12:[37, 8] Operation: 22-14=8 Exploring Operation: 37-14=23, Resulting Numbers: [22, 23] Generated Node #0,3,1: 12:[22, 23] Operation: 37-14=23 Exploring Operation: 22+37=59, Resulting Numbers: [14, 59] Generated Node #0,3,2: 12:[14, 59] Operation: 22+37=59 Exploring Operation: 37-22=15, Resulting Numbers: [14, 15] Generated Node #0,3,3: 12:[14, 15] Operation: 37-22=15 Moving to Node #0,3,3 Current State: 12:[14, 15], Operations: ['28/2=14', '37-22=15'] Exploring Operation: 15-14=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,12 unequal: No Solution Exploring Operation: 14*15=210, Resulting Numbers: [210] 210,12 unequal: No Solution Moving to Node #0,3,1 Current State: 12:[22, 23], Operations: ['28/2=14', '37-14=23'] Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,12 unequal: No Solution Exploring Operation: 22*23=506, Resulting Numbers: [506] 506,12 unequal: No Solution Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,12 unequal: No Solution Moving to Node #0,3,0 Current State: 12:[37, 8], Operations: ['28/2=14', '22-14=8'] Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,12 unequal: No Solution Exploring Operation: 37*8=296, Resulting Numbers: [296] 296,12 unequal: No Solution Exploring Operation: 37+8=45, Resulting Numbers: [45] 45,12 unequal: No Solution Moving to Node #0,3,2 Current State: 12:[14, 59], Operations: ['28/2=14', '22+37=59'] Exploring Operation: 59-14=45, Resulting Numbers: [45] 45,12 unequal: No Solution Exploring Operation: 14+59=73, Resulting Numbers: [73] 73,12 unequal: No Solution Exploring Operation: 14*59=826, Resulting Numbers: [826] 826,12 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
[ 98, 43, 54, 97 ]
12
[ "98-43=55", "97-54=43", "55-43=12" ]
Current State: 12:[98, 43, 54, 97], Operations: [] Exploring Operation: 98-43=55, Resulting Numbers: [54, 97, 55] Generated Node #2: [54, 97, 55] from Operation: 98-43=55 Current State: 12:[54, 97, 55], Operations: ['98-43=55'] Exploring Operation: 97-54=43, Resulting Numbers: [55, 43] Generated Node #3: [55, 43] from Operation: 97-54=43 Current State: 12:[55, 43], Operations: ['98-43=55', '97-54=43'] Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[98, 43, 54, 97], Operations: [] Exploring Operation: 97-54=43, Resulting Numbers: [98, 43, 43] Generated Node #0,0: 12:[98, 43, 43] Operation: 97-54=43 Exploring Operation: 98-97=1, Resulting Numbers: [43, 54, 1] Generated Node #0,1: 12:[43, 54, 1] Operation: 98-97=1 Exploring Operation: 98-54=44, Resulting Numbers: [43, 97, 44] Generated Node #0,2: 12:[43, 97, 44] Operation: 98-54=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[43, 54, 1], Operations: ['98-97=1'] Exploring Operation: 43-1=42, Resulting Numbers: [54, 42] Generated Node #0,1,0: 12:[54, 42] Operation: 43-1=42 Exploring Operation: 54-1=53, Resulting Numbers: [43, 53] Generated Node #0,1,1: 12:[43, 53] Operation: 54-1=53 Exploring Operation: 54-43=11, Resulting Numbers: [1, 11] Generated Node #0,1,2: 12:[1, 11] Operation: 54-43=11 Moving to Node #0,1,2 Current State: 12:[1, 11], Operations: ['98-97=1', '54-43=11'] Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 1*11=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[98, 43, 54, 97], Operations: [] Exploring Operation: 98-97=1, Resulting Numbers: [43, 54, 1] Generated Node #0,1: 12:[43, 54, 1] Operation: 98-97=1 Moving to Node #0,1 Current State: 12:[43, 54, 1], Operations: ['98-97=1'] Exploring Operation: 54-43=11, Resulting Numbers: [1, 11] Generated Node #0,1,2: 12:[1, 11] Operation: 54-43=11 Moving to Node #0,1,2 Current State: 12:[1, 11], Operations: ['98-97=1', '54-43=11'] Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 91, 52, 41, 25 ]
55
[ "91-52=39", "41-25=16", "39+16=55" ]
Current State: 55:[91, 52, 41, 25], Operations: [] Exploring Operation: 91-52=39, Resulting Numbers: [41, 25, 39] Generated Node #2: [41, 25, 39] from Operation: 91-52=39 Current State: 55:[41, 25, 39], Operations: ['91-52=39'] Exploring Operation: 41-25=16, Resulting Numbers: [39, 16] Generated Node #3: [39, 16] from Operation: 41-25=16 Current State: 55:[39, 16], Operations: ['91-52=39', '41-25=16'] Exploring Operation: 39+16=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[91, 52, 41, 25], Operations: [] Exploring Operation: 91-41=50, Resulting Numbers: [52, 25, 50] Generated Node #0,0: 55:[52, 25, 50] Operation: 91-41=50 Exploring Operation: 91-25=66, Resulting Numbers: [52, 41, 66] Generated Node #0,1: 55:[52, 41, 66] Operation: 91-25=66 Moving to Node #0,0 Current State: 55:[52, 25, 50], Operations: ['91-41=50'] Exploring Operation: 50/25=2, Resulting Numbers: [52, 2] Generated Node #0,0,0: 55:[52, 2] Operation: 50/25=2 Exploring Operation: 52-50=2, Resulting Numbers: [25, 2] Generated Node #0,0,1: 55:[25, 2] Operation: 52-50=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 55:[52, 2], Operations: ['91-41=50', '50/25=2'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,55 unequal: No Solution Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,55 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 #0,0,1 Current State: 55:[25, 2], Operations: ['91-41=50', '52-50=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,55 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,55 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: 55:[52, 41, 66], Operations: ['91-25=66'] Exploring Operation: 66-52=14, Resulting Numbers: [41, 14] Generated Node #0,1,0: 55:[41, 14] Operation: 66-52=14 Exploring Operation: 52-41=11, Resulting Numbers: [66, 11] Generated Node #0,1,1: 55:[66, 11] Operation: 52-41=11 Moving to Node #0,1,1 Current State: 55:[66, 11], Operations: ['91-25=66', '52-41=11'] Exploring Operation: 66-11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[91, 52, 41, 25], Operations: [] Exploring Operation: 91-25=66, Resulting Numbers: [52, 41, 66] Generated Node #0,1: 55:[52, 41, 66] Operation: 91-25=66 Moving to Node #0,1 Current State: 55:[52, 41, 66], Operations: ['91-25=66'] Exploring Operation: 52-41=11, Resulting Numbers: [66, 11] Generated Node #0,1,1: 55:[66, 11] Operation: 52-41=11 Moving to Node #0,1,1 Current State: 55:[66, 11], Operations: ['91-25=66', '52-41=11'] Exploring Operation: 66-11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 81, 8, 50, 63 ]
24
[ "81+8=89", "50+63=113", "113-89=24" ]
Current State: 24:[81, 8, 50, 63], Operations: [] Exploring Operation: 81+8=89, Resulting Numbers: [50, 63, 89] Generated Node #2: [50, 63, 89] from Operation: 81+8=89 Current State: 24:[50, 63, 89], Operations: ['81+8=89'] Exploring Operation: 50+63=113, Resulting Numbers: [89, 113] Generated Node #3: [89, 113] from Operation: 50+63=113 Current State: 24:[89, 113], Operations: ['81+8=89', '50+63=113'] Exploring Operation: 113-89=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[81, 8, 50, 63], Operations: [] Exploring Operation: 81-63=18, Resulting Numbers: [8, 50, 18] Generated Node #0,0: 24:[8, 50, 18] Operation: 81-63=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[8, 50, 18], Operations: ['81-63=18'] Exploring Operation: 50-18=32, Resulting Numbers: [8, 32] Generated Node #0,0,0: 24:[8, 32] Operation: 50-18=32 Moving to Node #0,0,0 Current State: 24:[8, 32], Operations: ['81-63=18', '50-18=32'] Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[81, 8, 50, 63], Operations: [] Exploring Operation: 81-63=18, Resulting Numbers: [8, 50, 18] Generated Node #0,0: 24:[8, 50, 18] Operation: 81-63=18 Moving to Node #0,0 Current State: 24:[8, 50, 18], Operations: ['81-63=18'] Exploring Operation: 50-18=32, Resulting Numbers: [8, 32] Generated Node #0,0,0: 24:[8, 32] Operation: 50-18=32 Moving to Node #0,0,0 Current State: 24:[8, 32], Operations: ['81-63=18', '50-18=32'] Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 81, 84, 24, 42 ]
21
[ "84-81=3", "42-24=18", "3+18=21" ]
Current State: 21:[81, 84, 24, 42], Operations: [] Exploring Operation: 84-81=3, Resulting Numbers: [24, 42, 3] Generated Node #2: [24, 42, 3] from Operation: 84-81=3 Current State: 21:[24, 42, 3], Operations: ['84-81=3'] Exploring Operation: 42-24=18, Resulting Numbers: [3, 18] Generated Node #3: [3, 18] from Operation: 42-24=18 Current State: 21:[3, 18], Operations: ['84-81=3', '42-24=18'] Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[81, 84, 24, 42], Operations: [] Exploring Operation: 81-42=39, Resulting Numbers: [84, 24, 39] Generated Node #0,0: 21:[84, 24, 39] Operation: 81-42=39 Exploring Operation: 84/42=2, Resulting Numbers: [81, 24, 2] Generated Node #0,1: 21:[81, 24, 2] Operation: 84/42=2 Exploring Operation: 84-81=3, Resulting Numbers: [24, 42, 3] Generated Node #0,2: 21:[24, 42, 3] Operation: 84-81=3 Moving to Node #0,2 Current State: 21:[24, 42, 3], Operations: ['84-81=3'] Exploring Operation: 42-24=18, Resulting Numbers: [3, 18] Generated Node #0,2,0: 21:[3, 18] Operation: 42-24=18 Exploring Operation: 42/3=14, Resulting Numbers: [24, 14] Generated Node #0,2,1: 21:[24, 14] Operation: 42/3=14 Exploring Operation: 24-3=21, Resulting Numbers: [42, 21] Generated Node #0,2,2: 21:[42, 21] Operation: 24-3=21 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 21:[3, 18], Operations: ['84-81=3', '42-24=18'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,21 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,21 unequal: No Solution Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[81, 84, 24, 42], Operations: [] Exploring Operation: 84-81=3, Resulting Numbers: [24, 42, 3] Generated Node #0,2: 21:[24, 42, 3] Operation: 84-81=3 Moving to Node #0,2 Current State: 21:[24, 42, 3], Operations: ['84-81=3'] Exploring Operation: 42-24=18, Resulting Numbers: [3, 18] Generated Node #0,2,0: 21:[3, 18] Operation: 42-24=18 Moving to Node #0,2,0 Current State: 21:[3, 18], Operations: ['84-81=3', '42-24=18'] Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 82, 80, 93, 74 ]
14
[ "93-82=11", "80+74=154", "154/11=14" ]
Current State: 14:[82, 80, 93, 74], Operations: [] Exploring Operation: 93-82=11, Resulting Numbers: [80, 74, 11] Generated Node #2: [80, 74, 11] from Operation: 93-82=11 Current State: 14:[80, 74, 11], Operations: ['93-82=11'] Exploring Operation: 80+74=154, Resulting Numbers: [11, 154] Generated Node #3: [11, 154] from Operation: 80+74=154 Current State: 14:[11, 154], Operations: ['93-82=11', '80+74=154'] Exploring Operation: 154/11=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[82, 80, 93, 74], Operations: [] Exploring Operation: 93-74=19, Resulting Numbers: [82, 80, 19] Generated Node #0,0: 14:[82, 80, 19] Operation: 93-74=19 Exploring Operation: 93-82=11, Resulting Numbers: [80, 74, 11] Generated Node #0,1: 14:[80, 74, 11] Operation: 93-82=11 Exploring Operation: 82-80=2, Resulting Numbers: [93, 74, 2] Generated Node #0,2: 14:[93, 74, 2] Operation: 82-80=2 Exploring Operation: 93-80=13, Resulting Numbers: [82, 74, 13] Generated Node #0,3: 14:[82, 74, 13] Operation: 93-80=13 Moving to Node #0,1 Current State: 14:[80, 74, 11], Operations: ['93-82=11'] Exploring Operation: 74-11=63, Resulting Numbers: [80, 63] Generated Node #0,1,0: 14:[80, 63] Operation: 74-11=63 Exploring Operation: 80-74=6, Resulting Numbers: [11, 6] Generated Node #0,1,1: 14:[11, 6] Operation: 80-74=6 Exploring Operation: 80+11=91, Resulting Numbers: [74, 91] Generated Node #0,1,2: 14:[74, 91] Operation: 80+11=91 Exploring Operation: 80-11=69, Resulting Numbers: [74, 69] Generated Node #0,1,3: 14:[74, 69] Operation: 80-11=69 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 14:[11, 6], Operations: ['93-82=11', '80-74=6'] Exploring Operation: 11*6=66, Resulting Numbers: [66] 66,14 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 11+6=17, Resulting Numbers: [17] 17,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 14:[80, 63], Operations: ['93-82=11', '74-11=63'] Exploring Operation: 80+63=143, Resulting Numbers: [143] 143,14 unequal: No Solution Exploring Operation: 80-63=17, Resulting Numbers: [17] 17,14 unequal: No Solution Exploring Operation: 80*63=5040, Resulting Numbers: [5040] 5040,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 14:[74, 69], Operations: ['93-82=11', '80-11=69'] Exploring Operation: 74+69=143, Resulting Numbers: [143] 143,14 unequal: No Solution Exploring Operation: 74-69=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 74*69=5106, Resulting Numbers: [5106] 5106,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 14:[74, 91], Operations: ['93-82=11', '80+11=91'] Exploring Operation: 91-74=17, Resulting Numbers: [17] 17,14 unequal: No Solution Exploring Operation: 74*91=6734, Resulting Numbers: [6734] 6734,14 unequal: No Solution Exploring Operation: 74+91=165, Resulting Numbers: [165] 165,14 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: 14:[82, 74, 13], Operations: ['93-80=13'] Exploring Operation: 82-13=69, Resulting Numbers: [74, 69] Generated Node #0,3,0: 14:[74, 69] Operation: 82-13=69 Exploring Operation: 82+13=95, Resulting Numbers: [74, 95] Generated Node #0,3,1: 14:[74, 95] Operation: 82+13=95 Exploring Operation: 82-74=8, Resulting Numbers: [13, 8] Generated Node #0,3,2: 14:[13, 8] Operation: 82-74=8 Exploring Operation: 74-13=61, Resulting Numbers: [82, 61] Generated Node #0,3,3: 14:[82, 61] Operation: 74-13=61 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 14:[13, 8], Operations: ['93-80=13', '82-74=8'] Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,14 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,14 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 #0,3,0 Current State: 14:[74, 69], Operations: ['93-80=13', '82-13=69'] Exploring Operation: 74+69=143, Resulting Numbers: [143] 143,14 unequal: No Solution Exploring Operation: 74-69=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 74*69=5106, Resulting Numbers: [5106] 5106,14 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 #0,3,3 Current State: 14:[82, 61], Operations: ['93-80=13', '74-13=61'] Exploring Operation: 82+61=143, Resulting Numbers: [143] 143,14 unequal: No Solution Exploring Operation: 82*61=5002, Resulting Numbers: [5002] 5002,14 unequal: No Solution Exploring Operation: 82-61=21, Resulting Numbers: [21] 21,14 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 #0,3,1 Current State: 14:[74, 95], Operations: ['93-80=13', '82+13=95'] Exploring Operation: 74+95=169, Resulting Numbers: [169] 169,14 unequal: No Solution Exploring Operation: 95-74=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 74*95=7030, Resulting Numbers: [7030] 7030,14 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: 14:[93, 74, 2], Operations: ['82-80=2'] Exploring Operation: 74-2=72, Resulting Numbers: [93, 72] Generated Node #0,2,0: 14:[93, 72] Operation: 74-2=72 Exploring Operation: 93-2=91, Resulting Numbers: [74, 91] Generated Node #0,2,1: 14:[74, 91] Operation: 93-2=91 Exploring Operation: 93-74=19, Resulting Numbers: [2, 19] Generated Node #0,2,2: 14:[2, 19] Operation: 93-74=19 Exploring Operation: 74/2=37, Resulting Numbers: [93, 37] Generated Node #0,2,3: 14:[93, 37] Operation: 74/2=37 Moving to Node #0,0 Current State: 14:[82, 80, 19], Operations: ['93-74=19'] Exploring Operation: 82+80=162, Resulting Numbers: [19, 162] Generated Node #0,0,0: 14:[19, 162] Operation: 82+80=162 Exploring Operation: 82-80=2, Resulting Numbers: [19, 2] Generated Node #0,0,1: 14:[19, 2] Operation: 82-80=2 Exploring Operation: 80-19=61, Resulting Numbers: [82, 61] Generated Node #0,0,2: 14:[82, 61] Operation: 80-19=61 Exploring Operation: 82-19=63, Resulting Numbers: [80, 63] Generated Node #0,0,3: 14:[80, 63] Operation: 82-19=63 Moving to Node #0,2,2 Current State: 14:[2, 19], Operations: ['82-80=2', '93-74=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,14 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,14 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[19, 2], Operations: ['93-74=19', '82-80=2'] Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,14 unequal: No Solution Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,14 unequal: No Solution Moving to Node #0,2,3 Current State: 14:[93, 37], Operations: ['82-80=2', '74/2=37'] Exploring Operation: 93+37=130, Resulting Numbers: [130] 130,14 unequal: No Solution Exploring Operation: 93*37=3441, Resulting Numbers: [3441] 3441,14 unequal: No Solution Exploring Operation: 93-37=56, Resulting Numbers: [56] 56,14 unequal: No Solution Moving to Node #0,0,2 Current State: 14:[82, 61], Operations: ['93-74=19', '80-19=61'] Exploring Operation: 82+61=143, Resulting Numbers: [143] 143,14 unequal: No Solution Exploring Operation: 82-61=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 82*61=5002, Resulting Numbers: [5002] 5002,14 unequal: No Solution Moving to Node #0,0,3 Current State: 14:[80, 63], Operations: ['93-74=19', '82-19=63'] Exploring Operation: 80*63=5040, Resulting Numbers: [5040] 5040,14 unequal: No Solution Exploring Operation: 80-63=17, Resulting Numbers: [17] 17,14 unequal: No Solution Exploring Operation: 80+63=143, Resulting Numbers: [143] 143,14 unequal: No Solution Moving to Node #0,2,0 Current State: 14:[93, 72], Operations: ['82-80=2', '74-2=72'] Exploring Operation: 93-72=21, Resulting Numbers: [21] 21,14 unequal: No Solution Exploring Operation: 93*72=6696, Resulting Numbers: [6696] 6696,14 unequal: No Solution Exploring Operation: 93+72=165, Resulting Numbers: [165] 165,14 unequal: No Solution Moving to Node #0,2,1 Current State: 14:[74, 91], Operations: ['82-80=2', '93-2=91'] Exploring Operation: 74+91=165, Resulting Numbers: [165] 165,14 unequal: No Solution Exploring Operation: 74*91=6734, Resulting Numbers: [6734] 6734,14 unequal: No Solution Exploring Operation: 91-74=17, Resulting Numbers: [17] 17,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[19, 162], Operations: ['93-74=19', '82+80=162'] Exploring Operation: 19*162=3078, Resulting Numbers: [3078] 3078,14 unequal: No Solution Exploring Operation: 19+162=181, Resulting Numbers: [181] 181,14 unequal: No Solution Exploring Operation: 162-19=143, Resulting Numbers: [143] 143,14 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 18, 17, 68, 97 ]
30
[ "18-17=1", "97-68=29", "1+29=30" ]
Current State: 30:[18, 17, 68, 97], Operations: [] Exploring Operation: 18-17=1, Resulting Numbers: [68, 97, 1] Generated Node #2: [68, 97, 1] from Operation: 18-17=1 Current State: 30:[68, 97, 1], Operations: ['18-17=1'] Exploring Operation: 97-68=29, Resulting Numbers: [1, 29] Generated Node #3: [1, 29] from Operation: 97-68=29 Current State: 30:[1, 29], Operations: ['18-17=1', '97-68=29'] Exploring Operation: 1+29=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[18, 17, 68, 97], Operations: [] Exploring Operation: 68/17=4, Resulting Numbers: [18, 97, 4] Generated Node #0,0: 30:[18, 97, 4] Operation: 68/17=4 Exploring Operation: 97-68=29, Resulting Numbers: [18, 17, 29] Generated Node #0,1: 30:[18, 17, 29] Operation: 97-68=29 Moving to Node #0,1 Current State: 30:[18, 17, 29], Operations: ['97-68=29'] Exploring Operation: 18-17=1, Resulting Numbers: [29, 1] Generated Node #0,1,0: 30:[29, 1] Operation: 18-17=1 Exploring Operation: 29-18=11, Resulting Numbers: [17, 11] Generated Node #0,1,1: 30:[17, 11] Operation: 29-18=11 Moving to Node #0,0 Current State: 30:[18, 97, 4], Operations: ['68/17=4'] Exploring Operation: 97-4=93, Resulting Numbers: [18, 93] Generated Node #0,0,0: 30:[18, 93] Operation: 97-4=93 Exploring Operation: 97-18=79, Resulting Numbers: [4, 79] Generated Node #0,0,1: 30:[4, 79] Operation: 97-18=79 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[4, 79], Operations: ['68/17=4', '97-18=79'] Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,30 unequal: No Solution Exploring Operation: 4+79=83, Resulting Numbers: [83] 83,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[18, 93], Operations: ['68/17=4', '97-4=93'] Exploring Operation: 93-18=75, Resulting Numbers: [75] 75,30 unequal: No Solution Exploring Operation: 18+93=111, Resulting Numbers: [111] 111,30 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: 30:[29, 1], Operations: ['97-68=29', '18-17=1'] Exploring Operation: 29+1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[18, 17, 68, 97], Operations: [] Exploring Operation: 97-68=29, Resulting Numbers: [18, 17, 29] Generated Node #0,1: 30:[18, 17, 29] Operation: 97-68=29 Moving to Node #0,1 Current State: 30:[18, 17, 29], Operations: ['97-68=29'] Exploring Operation: 18-17=1, Resulting Numbers: [29, 1] Generated Node #0,1,0: 30:[29, 1] Operation: 18-17=1 Moving to Node #0,1,0 Current State: 30:[29, 1], Operations: ['97-68=29', '18-17=1'] Exploring Operation: 29+1=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 31, 17, 40, 42 ]
35
[ "31+17=48", "40*42=1680", "1680/48=35" ]
Current State: 35:[31, 17, 40, 42], Operations: [] Exploring Operation: 31+17=48, Resulting Numbers: [40, 42, 48] Generated Node #2: [40, 42, 48] from Operation: 31+17=48 Current State: 35:[40, 42, 48], Operations: ['31+17=48'] Exploring Operation: 40*42=1680, Resulting Numbers: [48, 1680] Generated Node #3: [48, 1680] from Operation: 40*42=1680 Current State: 35:[48, 1680], Operations: ['31+17=48', '40*42=1680'] Exploring Operation: 1680/48=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[31, 17, 40, 42], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [31, 17, 2] Generated Node #0,0: 35:[31, 17, 2] Operation: 42-40=2 Exploring Operation: 31-17=14, Resulting Numbers: [40, 42, 14] Generated Node #0,1: 35:[40, 42, 14] Operation: 31-17=14 Moving to Node #0,0 Current State: 35:[31, 17, 2], Operations: ['42-40=2'] Exploring Operation: 17*2=34, Resulting Numbers: [31, 34] Generated Node #0,0,0: 35:[31, 34] Operation: 17*2=34 Exploring Operation: 31-17=14, Resulting Numbers: [2, 14] Generated Node #0,0,1: 35:[2, 14] Operation: 31-17=14 Moving to Node #0,1 Current State: 35:[40, 42, 14], Operations: ['31-17=14'] Exploring Operation: 42/14=3, Resulting Numbers: [40, 3] Generated Node #0,1,0: 35:[40, 3] Operation: 42/14=3 Exploring Operation: 42-40=2, Resulting Numbers: [14, 2] Generated Node #0,1,1: 35:[14, 2] Operation: 42-40=2 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[40, 3], Operations: ['31-17=14', '42/14=3'] Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,35 unequal: No Solution Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[14, 2], Operations: ['31-17=14', '42-40=2'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,35 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,35 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: 35:[31, 34], Operations: ['42-40=2', '17*2=34'] Exploring Operation: 34-31=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 31+34=65, Resulting Numbers: [65] 65,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[2, 14], Operations: ['42-40=2', '31-17=14'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,35 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,35 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 56, 20, 30, 12 ]
23
[ "20-12=8", "56/8=7", "30-7=23" ]
Current State: 23:[56, 20, 30, 12], Operations: [] Exploring Operation: 20-12=8, Resulting Numbers: [56, 30, 8] Generated Node #2: [56, 30, 8] from Operation: 20-12=8 Current State: 23:[56, 30, 8], Operations: ['20-12=8'] Exploring Operation: 56/8=7, Resulting Numbers: [30, 7] Generated Node #3: [30, 7] from Operation: 56/8=7 Current State: 23:[30, 7], Operations: ['20-12=8', '56/8=7'] Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[56, 20, 30, 12], Operations: [] Exploring Operation: 56-30=26, Resulting Numbers: [20, 12, 26] Generated Node #0,0: 23:[20, 12, 26] Operation: 56-30=26 Moving to Node #0,0 Current State: 23:[20, 12, 26], Operations: ['56-30=26'] Exploring Operation: 20+12=32, Resulting Numbers: [26, 32] Generated Node #0,0,0: 23:[26, 32] Operation: 20+12=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[26, 32], Operations: ['56-30=26', '20+12=32'] Exploring Operation: 32-26=6, Resulting Numbers: [6] 6,23 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
[ 88, 90, 44, 26 ]
48
[ "90-88=2", "44/2=22", "26+22=48" ]
Current State: 48:[88, 90, 44, 26], Operations: [] Exploring Operation: 90-88=2, Resulting Numbers: [44, 26, 2] Generated Node #2: [44, 26, 2] from Operation: 90-88=2 Current State: 48:[44, 26, 2], Operations: ['90-88=2'] Exploring Operation: 44/2=22, Resulting Numbers: [26, 22] Generated Node #3: [26, 22] from Operation: 44/2=22 Current State: 48:[26, 22], Operations: ['90-88=2', '44/2=22'] Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[88, 90, 44, 26], Operations: [] Exploring Operation: 88/44=2, Resulting Numbers: [90, 26, 2] Generated Node #0,0: 48:[90, 26, 2] Operation: 88/44=2 Exploring Operation: 90-88=2, Resulting Numbers: [44, 26, 2] Generated Node #0,1: 48:[44, 26, 2] Operation: 90-88=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[44, 26, 2], Operations: ['90-88=2'] Exploring Operation: 44+2=46, Resulting Numbers: [26, 46] Generated Node #0,1,0: 48:[26, 46] Operation: 44+2=46 Exploring Operation: 44-26=18, Resulting Numbers: [2, 18] Generated Node #0,1,1: 48:[2, 18] Operation: 44-26=18 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 48:[2, 18], Operations: ['90-88=2', '44-26=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,48 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,48 unequal: No Solution No 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: 48:[26, 46], Operations: ['90-88=2', '44+2=46'] Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 26+46=72, Resulting Numbers: [72] 72,48 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: 48:[90, 26, 2], Operations: ['88/44=2'] Exploring Operation: 90-26=64, Resulting Numbers: [2, 64] Generated Node #0,0,0: 48:[2, 64] Operation: 90-26=64 Exploring Operation: 90/2=45, Resulting Numbers: [26, 45] Generated Node #0,0,1: 48:[26, 45] Operation: 90/2=45 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 48:[26, 45], Operations: ['88/44=2', '90/2=45'] Exploring Operation: 45-26=19, Resulting Numbers: [19] 19,48 unequal: No Solution Exploring Operation: 26+45=71, Resulting Numbers: [71] 71,48 unequal: No Solution No 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: 48:[2, 64], Operations: ['88/44=2', '90-26=64'] Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,48 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,48 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
[ 69, 96, 57, 18 ]
71
[ "96+18=114", "114/57=2", "69+2=71" ]
Current State: 71:[69, 96, 57, 18], Operations: [] Exploring Operation: 96+18=114, Resulting Numbers: [69, 57, 114] Generated Node #2: [69, 57, 114] from Operation: 96+18=114 Current State: 71:[69, 57, 114], Operations: ['96+18=114'] Exploring Operation: 114/57=2, Resulting Numbers: [69, 2] Generated Node #3: [69, 2] from Operation: 114/57=2 Current State: 71:[69, 2], Operations: ['96+18=114', '114/57=2'] Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[69, 96, 57, 18], Operations: [] Exploring Operation: 57+18=75, Resulting Numbers: [69, 96, 75] Generated Node #0,0: 71:[69, 96, 75] Operation: 57+18=75 Exploring Operation: 69+18=87, Resulting Numbers: [96, 57, 87] Generated Node #0,1: 71:[96, 57, 87] Operation: 69+18=87 Exploring Operation: 96-18=78, Resulting Numbers: [69, 57, 78] Generated Node #0,2: 71:[69, 57, 78] Operation: 96-18=78 Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[69, 57, 78], Operations: ['96-18=78'] Exploring Operation: 78-57=21, Resulting Numbers: [69, 21] Generated Node #0,2,0: 71:[69, 21] Operation: 78-57=21 Exploring Operation: 69-57=12, Resulting Numbers: [78, 12] Generated Node #0,2,1: 71:[78, 12] Operation: 69-57=12 Exploring Operation: 69+57=126, Resulting Numbers: [78, 126] Generated Node #0,2,2: 71:[78, 126] Operation: 69+57=126 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 71:[69, 21], Operations: ['96-18=78', '78-57=21'] Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,71 unequal: No Solution Exploring Operation: 69+21=90, Resulting Numbers: [90] 90,71 unequal: No Solution Exploring Operation: 69*21=1449, Resulting Numbers: [1449] 1449,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 71:[78, 126], Operations: ['96-18=78', '69+57=126'] Exploring Operation: 126-78=48, Resulting Numbers: [48] 48,71 unequal: No Solution Exploring Operation: 78*126=9828, Resulting Numbers: [9828] 9828,71 unequal: No Solution Exploring Operation: 78+126=204, Resulting Numbers: [204] 204,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 71:[78, 12], Operations: ['96-18=78', '69-57=12'] Exploring Operation: 78-12=66, Resulting Numbers: [66] 66,71 unequal: No Solution Exploring Operation: 78*12=936, Resulting Numbers: [936] 936,71 unequal: No Solution Exploring Operation: 78+12=90, Resulting Numbers: [90] 90,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[69, 96, 75], Operations: ['57+18=75'] Exploring Operation: 75-69=6, Resulting Numbers: [96, 6] Generated Node #0,0,0: 71:[96, 6] Operation: 75-69=6 Exploring Operation: 96-75=21, Resulting Numbers: [69, 21] Generated Node #0,0,1: 71:[69, 21] Operation: 96-75=21 Exploring Operation: 96-69=27, Resulting Numbers: [75, 27] Generated Node #0,0,2: 71:[75, 27] Operation: 96-69=27 Moving to Node #0,0,2 Current State: 71:[75, 27], Operations: ['57+18=75', '96-69=27'] Exploring Operation: 75-27=48, Resulting Numbers: [48] 48,71 unequal: No Solution Exploring Operation: 75*27=2025, Resulting Numbers: [2025] 2025,71 unequal: No Solution Exploring Operation: 75+27=102, Resulting Numbers: [102] 102,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[69, 21], Operations: ['57+18=75', '96-75=21'] Exploring Operation: 69+21=90, Resulting Numbers: [90] 90,71 unequal: No Solution Exploring Operation: 69*21=1449, Resulting Numbers: [1449] 1449,71 unequal: No Solution Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[96, 6], Operations: ['57+18=75', '75-69=6'] Exploring Operation: 96/6=16, Resulting Numbers: [16] 16,71 unequal: No Solution Exploring Operation: 96-6=90, Resulting Numbers: [90] 90,71 unequal: No Solution Exploring Operation: 96+6=102, Resulting Numbers: [102] 102,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[96, 57, 87], Operations: ['69+18=87'] Exploring Operation: 87-57=30, Resulting Numbers: [96, 30] Generated Node #0,1,0: 71:[96, 30] Operation: 87-57=30 Exploring Operation: 96-87=9, Resulting Numbers: [57, 9] Generated Node #0,1,1: 71:[57, 9] Operation: 96-87=9 Exploring Operation: 96-57=39, Resulting Numbers: [87, 39] Generated Node #0,1,2: 71:[87, 39] Operation: 96-57=39 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 71:[87, 39], Operations: ['69+18=87', '96-57=39'] Exploring Operation: 87*39=3393, Resulting Numbers: [3393] 3393,71 unequal: No Solution Exploring Operation: 87+39=126, Resulting Numbers: [126] 126,71 unequal: No Solution Exploring Operation: 87-39=48, Resulting Numbers: [48] 48,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 71:[96, 30], Operations: ['69+18=87', '87-57=30'] Exploring Operation: 96-30=66, Resulting Numbers: [66] 66,71 unequal: No Solution Exploring Operation: 96+30=126, Resulting Numbers: [126] 126,71 unequal: No Solution Exploring Operation: 96*30=2880, Resulting Numbers: [2880] 2880,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 71:[57, 9], Operations: ['69+18=87', '96-87=9'] Exploring Operation: 57-9=48, Resulting Numbers: [48] 48,71 unequal: No Solution Exploring Operation: 57*9=513, Resulting Numbers: [513] 513,71 unequal: No Solution Exploring Operation: 57+9=66, Resulting Numbers: [66] 66,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 98, 95, 63, 11 ]
32
[ "98-95=3", "63/3=21", "11+21=32" ]
Current State: 32:[98, 95, 63, 11], Operations: [] Exploring Operation: 98-95=3, Resulting Numbers: [63, 11, 3] Generated Node #2: [63, 11, 3] from Operation: 98-95=3 Current State: 32:[63, 11, 3], Operations: ['98-95=3'] Exploring Operation: 63/3=21, Resulting Numbers: [11, 21] Generated Node #3: [11, 21] from Operation: 63/3=21 Current State: 32:[11, 21], Operations: ['98-95=3', '63/3=21'] Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[98, 95, 63, 11], Operations: [] Exploring Operation: 98-63=35, Resulting Numbers: [95, 11, 35] Generated Node #0,0: 32:[95, 11, 35] Operation: 98-63=35 Exploring Operation: 98-95=3, Resulting Numbers: [63, 11, 3] Generated Node #0,1: 32:[63, 11, 3] Operation: 98-95=3 Exploring Operation: 95-63=32, Resulting Numbers: [98, 11, 32] Generated Node #0,2: 32:[98, 11, 32] Operation: 95-63=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[63, 11, 3], Operations: ['98-95=3'] Exploring Operation: 63-11=52, Resulting Numbers: [3, 52] Generated Node #0,1,0: 32:[3, 52] Operation: 63-11=52 Exploring Operation: 63/3=21, Resulting Numbers: [11, 21] Generated Node #0,1,1: 32:[11, 21] Operation: 63/3=21 Exploring Operation: 63-3=60, Resulting Numbers: [11, 60] Generated Node #0,1,2: 32:[11, 60] Operation: 63-3=60 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 32:[11, 21], Operations: ['98-95=3', '63/3=21'] Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[98, 95, 63, 11], Operations: [] Exploring Operation: 98-95=3, Resulting Numbers: [63, 11, 3] Generated Node #0,1: 32:[63, 11, 3] Operation: 98-95=3 Moving to Node #0,1 Current State: 32:[63, 11, 3], Operations: ['98-95=3'] Exploring Operation: 63/3=21, Resulting Numbers: [11, 21] Generated Node #0,1,1: 32:[11, 21] Operation: 63/3=21 Moving to Node #0,1,1 Current State: 32:[11, 21], Operations: ['98-95=3', '63/3=21'] Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 75, 90, 60, 72 ]
48
[ "75+60=135", "90*72=6480", "6480/135=48" ]
Current State: 48:[75, 90, 60, 72], Operations: [] Exploring Operation: 75+60=135, Resulting Numbers: [90, 72, 135] Generated Node #2: [90, 72, 135] from Operation: 75+60=135 Current State: 48:[90, 72, 135], Operations: ['75+60=135'] Exploring Operation: 90*72=6480, Resulting Numbers: [135, 6480] Generated Node #3: [135, 6480] from Operation: 90*72=6480 Current State: 48:[135, 6480], Operations: ['75+60=135', '90*72=6480'] Exploring Operation: 6480/135=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[75, 90, 60, 72], Operations: [] Exploring Operation: 90-75=15, Resulting Numbers: [60, 72, 15] Generated Node #0,0: 48:[60, 72, 15] Operation: 90-75=15 Exploring Operation: 90-60=30, Resulting Numbers: [75, 72, 30] Generated Node #0,1: 48:[75, 72, 30] Operation: 90-60=30 Exploring Operation: 75-72=3, Resulting Numbers: [90, 60, 3] Generated Node #0,2: 48:[90, 60, 3] Operation: 75-72=3 Exploring Operation: 90-72=18, Resulting Numbers: [75, 60, 18] Generated Node #0,3: 48:[75, 60, 18] Operation: 90-72=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[60, 72, 15], Operations: ['90-75=15'] Exploring Operation: 72-60=12, Resulting Numbers: [15, 12] Generated Node #0,0,0: 48:[15, 12] Operation: 72-60=12 Exploring Operation: 72-15=57, Resulting Numbers: [60, 57] Generated Node #0,0,1: 48:[60, 57] Operation: 72-15=57 Exploring Operation: 60-15=45, Resulting Numbers: [72, 45] Generated Node #0,0,2: 48:[72, 45] Operation: 60-15=45 Exploring Operation: 60/15=4, Resulting Numbers: [72, 4] Generated Node #0,0,3: 48:[72, 4] Operation: 60/15=4 Moving to Node #0,0,0 Current State: 48:[15, 12], Operations: ['90-75=15', '72-60=12'] Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,48 unequal: No Solution Exploring Operation: 15*12=180, Resulting Numbers: [180] 180,48 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,48 unequal: No Solution Moving to Node #0,0,1 Current State: 48:[60, 57], Operations: ['90-75=15', '72-15=57'] Exploring Operation: 60+57=117, Resulting Numbers: [117] 117,48 unequal: No Solution Exploring Operation: 60-57=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 60*57=3420, Resulting Numbers: [3420] 3420,48 unequal: No Solution Moving to Node #0,0,3 Current State: 48:[72, 4], Operations: ['90-75=15', '60/15=4'] Exploring Operation: 72*4=288, Resulting Numbers: [288] 288,48 unequal: No Solution Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,48 unequal: No Solution Exploring Operation: 72+4=76, Resulting Numbers: [76] 76,48 unequal: No Solution Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,48 unequal: No Solution Moving to Node #0,0,2 Current State: 48:[72, 45], Operations: ['90-75=15', '60-15=45'] Exploring Operation: 72-45=27, Resulting Numbers: [27] 27,48 unequal: No Solution Exploring Operation: 72+45=117, Resulting Numbers: [117] 117,48 unequal: No Solution Exploring Operation: 72*45=3240, Resulting Numbers: [3240] 3240,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 48:[75, 60, 18], Operations: ['90-72=18'] Exploring Operation: 75-18=57, Resulting Numbers: [60, 57] Generated Node #0,3,0: 48:[60, 57] Operation: 75-18=57 Exploring Operation: 60-18=42, Resulting Numbers: [75, 42] Generated Node #0,3,1: 48:[75, 42] Operation: 60-18=42 Exploring Operation: 75-60=15, Resulting Numbers: [18, 15] Generated Node #0,3,2: 48:[18, 15] Operation: 75-60=15 Exploring Operation: 75+18=93, Resulting Numbers: [60, 93] Generated Node #0,3,3: 48:[60, 93] Operation: 75+18=93 Moving to Node #0,3,2 Current State: 48:[18, 15], Operations: ['90-72=18', '75-60=15'] Exploring Operation: 18+15=33, Resulting Numbers: [33] 33,48 unequal: No Solution Exploring Operation: 18*15=270, Resulting Numbers: [270] 270,48 unequal: No Solution Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,48 unequal: No Solution Moving to Node #0,3,0 Current State: 48:[60, 57], Operations: ['90-72=18', '75-18=57'] Exploring Operation: 60+57=117, Resulting Numbers: [117] 117,48 unequal: No Solution Exploring Operation: 60*57=3420, Resulting Numbers: [3420] 3420,48 unequal: No Solution Exploring Operation: 60-57=3, Resulting Numbers: [3] 3,48 unequal: No Solution Moving to Node #0,3,1 Current State: 48:[75, 42], Operations: ['90-72=18', '60-18=42'] Exploring Operation: 75*42=3150, Resulting Numbers: [3150] 3150,48 unequal: No Solution Exploring Operation: 75-42=33, Resulting Numbers: [33] 33,48 unequal: No Solution Exploring Operation: 75+42=117, Resulting Numbers: [117] 117,48 unequal: No Solution Moving to Node #0,3,3 Current State: 48:[60, 93], Operations: ['90-72=18', '75+18=93'] Exploring Operation: 60*93=5580, Resulting Numbers: [5580] 5580,48 unequal: No Solution Exploring Operation: 60+93=153, Resulting Numbers: [153] 153,48 unequal: No Solution Exploring Operation: 93-60=33, Resulting Numbers: [33] 33,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[90, 60, 3], Operations: ['75-72=3'] Exploring Operation: 90-3=87, Resulting Numbers: [60, 87] Generated Node #0,2,0: 48:[60, 87] Operation: 90-3=87 Exploring Operation: 90/3=30, Resulting Numbers: [60, 30] Generated Node #0,2,1: 48:[60, 30] Operation: 90/3=30 Exploring Operation: 90-60=30, Resulting Numbers: [3, 30] Generated Node #0,2,2: 48:[3, 30] Operation: 90-60=30 Exploring Operation: 60/3=20, Resulting Numbers: [90, 20] Generated Node #0,2,3: 48:[90, 20] Operation: 60/3=20 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 48:[3, 30], Operations: ['75-72=3', '90-60=30'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,48 unequal: No Solution Exploring Operation: 3+30=33, Resulting Numbers: [33] 33,48 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,48 unequal: No Solution Exploring Operation: 3*30=90, Resulting Numbers: [90] 90,48 unequal: No Solution No 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: 48:[60, 30], Operations: ['75-72=3', '90/3=30'] Exploring Operation: 60+30=90, Resulting Numbers: [90] 90,48 unequal: No Solution Exploring Operation: 60*30=1800, Resulting Numbers: [1800] 1800,48 unequal: No Solution Exploring Operation: 60-30=30, Resulting Numbers: [30] 30,48 unequal: No Solution Exploring Operation: 60/30=2, Resulting Numbers: [2] 2,48 unequal: No Solution No 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: 48:[90, 20], Operations: ['75-72=3', '60/3=20'] Exploring Operation: 90-20=70, Resulting Numbers: [70] 70,48 unequal: No Solution Exploring Operation: 90+20=110, Resulting Numbers: [110] 110,48 unequal: No Solution Exploring Operation: 90*20=1800, Resulting Numbers: [1800] 1800,48 unequal: No Solution No 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: 48:[60, 87], Operations: ['75-72=3', '90-3=87'] Exploring Operation: 60*87=5220, Resulting Numbers: [5220] 5220,48 unequal: No Solution Exploring Operation: 87-60=27, Resulting Numbers: [27] 27,48 unequal: No Solution Exploring Operation: 60+87=147, Resulting Numbers: [147] 147,48 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: 48:[75, 72, 30], Operations: ['90-60=30'] Exploring Operation: 72-30=42, Resulting Numbers: [75, 42] Generated Node #0,1,0: 48:[75, 42] Operation: 72-30=42 Exploring Operation: 75+30=105, Resulting Numbers: [72, 105] Generated Node #0,1,1: 48:[72, 105] Operation: 75+30=105 Exploring Operation: 75-72=3, Resulting Numbers: [30, 3] Generated Node #0,1,2: 48:[30, 3] Operation: 75-72=3 Exploring Operation: 75-30=45, Resulting Numbers: [72, 45] Generated Node #0,1,3: 48:[72, 45] Operation: 75-30=45 Moving to Node #0,1,2 Current State: 48:[30, 3], Operations: ['90-60=30', '75-72=3'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,48 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,48 unequal: No Solution Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,48 unequal: No Solution Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,48 unequal: No Solution Moving to Node #0,1,3 Current State: 48:[72, 45], Operations: ['90-60=30', '75-30=45'] Exploring Operation: 72*45=3240, Resulting Numbers: [3240] 3240,48 unequal: No Solution Exploring Operation: 72-45=27, Resulting Numbers: [27] 27,48 unequal: No Solution Exploring Operation: 72+45=117, Resulting Numbers: [117] 117,48 unequal: No Solution Moving to Node #0,1,0 Current State: 48:[75, 42], Operations: ['90-60=30', '72-30=42'] Exploring Operation: 75+42=117, Resulting Numbers: [117] 117,48 unequal: No Solution Exploring Operation: 75-42=33, Resulting Numbers: [33] 33,48 unequal: No Solution Exploring Operation: 75*42=3150, Resulting Numbers: [3150] 3150,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[72, 105], Operations: ['90-60=30', '75+30=105'] Exploring Operation: 105-72=33, Resulting Numbers: [33] 33,48 unequal: No Solution Exploring Operation: 72*105=7560, Resulting Numbers: [7560] 7560,48 unequal: No Solution Exploring Operation: 72+105=177, Resulting Numbers: [177] 177,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 38, 1, 28, 47 ]
20
[ "38+1=39", "47-28=19", "39-19=20" ]
Current State: 20:[38, 1, 28, 47], Operations: [] Exploring Operation: 38+1=39, Resulting Numbers: [28, 47, 39] Generated Node #2: [28, 47, 39] from Operation: 38+1=39 Current State: 20:[28, 47, 39], Operations: ['38+1=39'] Exploring Operation: 47-28=19, Resulting Numbers: [39, 19] Generated Node #3: [39, 19] from Operation: 47-28=19 Current State: 20:[39, 19], Operations: ['38+1=39', '47-28=19'] Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[38, 1, 28, 47], Operations: [] Exploring Operation: 47-38=9, Resulting Numbers: [1, 28, 9] Generated Node #0,0: 20:[1, 28, 9] Operation: 47-38=9 Moving to Node #0,0 Current State: 20:[1, 28, 9], Operations: ['47-38=9'] Exploring Operation: 28-9=19, Resulting Numbers: [1, 19] Generated Node #0,0,0: 20:[1, 19] Operation: 28-9=19 Moving to Node #0,0,0 Current State: 20:[1, 19], Operations: ['47-38=9', '28-9=19'] Exploring Operation: 1+19=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[38, 1, 28, 47], Operations: [] Exploring Operation: 47-38=9, Resulting Numbers: [1, 28, 9] Generated Node #0,0: 20:[1, 28, 9] Operation: 47-38=9 Moving to Node #0,0 Current State: 20:[1, 28, 9], Operations: ['47-38=9'] Exploring Operation: 28-9=19, Resulting Numbers: [1, 19] Generated Node #0,0,0: 20:[1, 19] Operation: 28-9=19 Moving to Node #0,0,0 Current State: 20:[1, 19], Operations: ['47-38=9', '28-9=19'] Exploring Operation: 1+19=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 62, 51, 24, 37 ]
50
[ "62-51=11", "24+37=61", "61-11=50" ]
Current State: 50:[62, 51, 24, 37], Operations: [] Exploring Operation: 62-51=11, Resulting Numbers: [24, 37, 11] Generated Node #2: [24, 37, 11] from Operation: 62-51=11 Current State: 50:[24, 37, 11], Operations: ['62-51=11'] Exploring Operation: 24+37=61, Resulting Numbers: [11, 61] Generated Node #3: [11, 61] from Operation: 24+37=61 Current State: 50:[11, 61], Operations: ['62-51=11', '24+37=61'] Exploring Operation: 61-11=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[62, 51, 24, 37], Operations: [] Exploring Operation: 62-51=11, Resulting Numbers: [24, 37, 11] Generated Node #0,0: 50:[24, 37, 11] Operation: 62-51=11 Exploring Operation: 62-37=25, Resulting Numbers: [51, 24, 25] Generated Node #0,1: 50:[51, 24, 25] Operation: 62-37=25 Exploring Operation: 37-24=13, Resulting Numbers: [62, 51, 13] Generated Node #0,2: 50:[62, 51, 13] Operation: 37-24=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[51, 24, 25], Operations: ['62-37=25'] Exploring Operation: 24+25=49, Resulting Numbers: [51, 49] Generated Node #0,1,0: 50:[51, 49] Operation: 24+25=49 Exploring Operation: 51-25=26, Resulting Numbers: [24, 26] Generated Node #0,1,1: 50:[24, 26] Operation: 51-25=26 Exploring Operation: 51-24=27, Resulting Numbers: [25, 27] Generated Node #0,1,2: 50:[25, 27] Operation: 51-24=27 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 50:[51, 49], Operations: ['62-37=25', '24+25=49'] Exploring Operation: 51+49=100, Resulting Numbers: [100] 100,50 unequal: No Solution Exploring Operation: 51-49=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 51*49=2499, Resulting Numbers: [2499] 2499,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 50:[24, 26], Operations: ['62-37=25', '51-25=26'] Exploring Operation: 24+26=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[62, 51, 24, 37], Operations: [] Exploring Operation: 62-37=25, Resulting Numbers: [51, 24, 25] Generated Node #0,1: 50:[51, 24, 25] Operation: 62-37=25 Moving to Node #0,1 Current State: 50:[51, 24, 25], Operations: ['62-37=25'] Exploring Operation: 51-25=26, Resulting Numbers: [24, 26] Generated Node #0,1,1: 50:[24, 26] Operation: 51-25=26 Moving to Node #0,1,1 Current State: 50:[24, 26], Operations: ['62-37=25', '51-25=26'] Exploring Operation: 24+26=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 78, 63, 4, 75 ]
81
[ "75-63=12", "12/4=3", "78+3=81" ]
Current State: 81:[78, 63, 4, 75], Operations: [] Exploring Operation: 75-63=12, Resulting Numbers: [78, 4, 12] Generated Node #2: [78, 4, 12] from Operation: 75-63=12 Current State: 81:[78, 4, 12], Operations: ['75-63=12'] Exploring Operation: 12/4=3, Resulting Numbers: [78, 3] Generated Node #3: [78, 3] from Operation: 12/4=3 Current State: 81:[78, 3], Operations: ['75-63=12', '12/4=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[78, 63, 4, 75], Operations: [] Exploring Operation: 78-63=15, Resulting Numbers: [4, 75, 15] Generated Node #0,0: 81:[4, 75, 15] Operation: 78-63=15 Exploring Operation: 63+4=67, Resulting Numbers: [78, 75, 67] Generated Node #0,1: 81:[78, 75, 67] Operation: 63+4=67 Exploring Operation: 78-75=3, Resulting Numbers: [63, 4, 3] Generated Node #0,2: 81:[63, 4, 3] Operation: 78-75=3 Exploring Operation: 75-63=12, Resulting Numbers: [78, 4, 12] Generated Node #0,3: 81:[78, 4, 12] Operation: 75-63=12 Start Sub Search at level 1: Moving to Node #0,3 Current State: 81:[78, 4, 12], Operations: ['75-63=12'] Exploring Operation: 78+4=82, Resulting Numbers: [12, 82] Generated Node #0,3,0: 81:[12, 82] Operation: 78+4=82 Exploring Operation: 12/4=3, Resulting Numbers: [78, 3] Generated Node #0,3,1: 81:[78, 3] Operation: 12/4=3 Exploring Operation: 78-4=74, Resulting Numbers: [12, 74] Generated Node #0,3,2: 81:[12, 74] Operation: 78-4=74 Exploring Operation: 12-4=8, Resulting Numbers: [78, 8] Generated Node #0,3,3: 81:[78, 8] Operation: 12-4=8 Moving to Node #0,3,1 Current State: 81:[78, 3], Operations: ['75-63=12', '12/4=3'] Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,81 unequal: No Solution Exploring Operation: 78*3=234, Resulting Numbers: [234] 234,81 unequal: No Solution Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,81 unequal: No Solution Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[78, 63, 4, 75], Operations: [] Exploring Operation: 75-63=12, Resulting Numbers: [78, 4, 12] Generated Node #0,3: 81:[78, 4, 12] Operation: 75-63=12 Moving to Node #0,3 Current State: 81:[78, 4, 12], Operations: ['75-63=12'] Exploring Operation: 12/4=3, Resulting Numbers: [78, 3] Generated Node #0,3,1: 81:[78, 3] Operation: 12/4=3 Moving to Node #0,3,1 Current State: 81:[78, 3], Operations: ['75-63=12', '12/4=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 29, 58, 19, 2 ]
97
[ "29*2=58", "58-19=39", "58+39=97" ]
Current State: 97:[29, 58, 19, 2], Operations: [] Exploring Operation: 29*2=58, Resulting Numbers: [58, 19, 58] Generated Node #2: [58, 19, 58] from Operation: 29*2=58 Current State: 97:[58, 19, 58], Operations: ['29*2=58'] Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,97 equal: Goal Reached Exploring Operation: 58+39=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[29, 58, 19, 2], Operations: [] Exploring Operation: 58*2=116, Resulting Numbers: [29, 19, 116] Generated Node #0,0: 97:[29, 19, 116] Operation: 58*2=116 Exploring Operation: 29*2=58, Resulting Numbers: [58, 19, 58] Generated Node #0,1: 97:[58, 19, 58] Operation: 29*2=58 Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[58, 19, 58], Operations: ['29*2=58'] Exploring Operation: 19+58=77, Resulting Numbers: [58, 77] Generated Node #0,1,0: 97:[58, 77] Operation: 19+58=77 Exploring Operation: 58+19=77, Resulting Numbers: [58, 77] Generated Node #0,1,1: 97:[58, 77] Operation: 58+19=77 Moving to Node #0,1,0 Current State: 97:[58, 77], Operations: ['29*2=58', '19+58=77'] Exploring Operation: 77-58=19, Resulting Numbers: [19] 19,97 unequal: No Solution Exploring Operation: 58+77=135, Resulting Numbers: [135] 135,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[58, 77], Operations: ['29*2=58', '58+19=77'] Exploring Operation: 58+77=135, Resulting Numbers: [135] 135,97 unequal: No Solution Exploring Operation: 77-58=19, Resulting Numbers: [19] 19,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[29, 19, 116], Operations: ['58*2=116'] Exploring Operation: 29+19=48, Resulting Numbers: [116, 48] Generated Node #0,0,0: 97:[116, 48] Operation: 29+19=48 Exploring Operation: 116-19=97, Resulting Numbers: [29, 97] Generated Node #0,0,1: 97:[29, 97] Operation: 116-19=97 Moving to Node #0,0,0 Current State: 97:[116, 48], Operations: ['58*2=116', '29+19=48'] Exploring Operation: 116+48=164, Resulting Numbers: [164] 164,97 unequal: No Solution Exploring Operation: 116-48=68, Resulting Numbers: [68] 68,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[29, 97], Operations: ['58*2=116', '116-19=97'] Exploring Operation: 97-29=68, Resulting Numbers: [68] 68,97 unequal: No Solution Exploring Operation: 29+97=126, Resulting Numbers: [126] 126,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 57, 75, 30, 24 ]
78
[ "57+75=132", "30+24=54", "132-54=78" ]
Current State: 78:[57, 75, 30, 24], Operations: [] Exploring Operation: 57+75=132, Resulting Numbers: [30, 24, 132] Generated Node #2: [30, 24, 132] from Operation: 57+75=132 Current State: 78:[30, 24, 132], Operations: ['57+75=132'] Exploring Operation: 30+24=54, Resulting Numbers: [132, 54] Generated Node #3: [132, 54] from Operation: 30+24=54 Current State: 78:[132, 54], Operations: ['57+75=132', '30+24=54'] Exploring Operation: 132-54=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[57, 75, 30, 24], Operations: [] Exploring Operation: 57+24=81, Resulting Numbers: [75, 30, 81] Generated Node #0,0: 78:[75, 30, 81] Operation: 57+24=81 Exploring Operation: 75-57=18, Resulting Numbers: [30, 24, 18] Generated Node #0,1: 78:[30, 24, 18] Operation: 75-57=18 Exploring Operation: 57-30=27, Resulting Numbers: [75, 24, 27] Generated Node #0,2: 78:[75, 24, 27] Operation: 57-30=27 Moving to Node #0,2 Current State: 78:[75, 24, 27], Operations: ['57-30=27'] Exploring Operation: 27-24=3, Resulting Numbers: [75, 3] Generated Node #0,2,0: 78:[75, 3] Operation: 27-24=3 Exploring Operation: 75-27=48, Resulting Numbers: [24, 48] Generated Node #0,2,1: 78:[24, 48] Operation: 75-27=48 Exploring Operation: 75-24=51, Resulting Numbers: [27, 51] Generated Node #0,2,2: 78:[27, 51] Operation: 75-24=51 Moving to Node #0,0 Current State: 78:[75, 30, 81], Operations: ['57+24=81'] Exploring Operation: 75-30=45, Resulting Numbers: [81, 45] Generated Node #0,0,0: 78:[81, 45] Operation: 75-30=45 Exploring Operation: 81-30=51, Resulting Numbers: [75, 51] Generated Node #0,0,1: 78:[75, 51] Operation: 81-30=51 Exploring Operation: 81-75=6, Resulting Numbers: [30, 6] Generated Node #0,0,2: 78:[30, 6] Operation: 81-75=6 Moving to Node #0,1 Current State: 78:[30, 24, 18], Operations: ['75-57=18'] Exploring Operation: 30-18=12, Resulting Numbers: [24, 12] Generated Node #0,1,0: 78:[24, 12] Operation: 30-18=12 Exploring Operation: 30-24=6, Resulting Numbers: [18, 6] Generated Node #0,1,1: 78:[18, 6] Operation: 30-24=6 Exploring Operation: 24-18=6, Resulting Numbers: [30, 6] Generated Node #0,1,2: 78:[30, 6] Operation: 24-18=6 Moving to Node #0,2,0 Current State: 78:[75, 3], Operations: ['57-30=27', '27-24=3'] Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,78 unequal: No Solution Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,78 unequal: No Solution Exploring Operation: 75+3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[57, 75, 30, 24], Operations: [] Exploring Operation: 57-30=27, Resulting Numbers: [75, 24, 27] Generated Node #0,2: 78:[75, 24, 27] Operation: 57-30=27 Moving to Node #0,2 Current State: 78:[75, 24, 27], Operations: ['57-30=27'] Exploring Operation: 27-24=3, Resulting Numbers: [75, 3] Generated Node #0,2,0: 78:[75, 3] Operation: 27-24=3 Moving to Node #0,2,0 Current State: 78:[75, 3], Operations: ['57-30=27', '27-24=3'] Exploring Operation: 75+3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
0.983507
hs_3
sum_heuristic
[ 91, 72, 79, 65 ]
52
[ "79-72=7", "91/7=13", "65-13=52" ]
Current State: 52:[91, 72, 79, 65], Operations: [] Exploring Operation: 79-72=7, Resulting Numbers: [91, 65, 7] Generated Node #2: [91, 65, 7] from Operation: 79-72=7 Current State: 52:[91, 65, 7], Operations: ['79-72=7'] Exploring Operation: 91/7=13, Resulting Numbers: [65, 13] Generated Node #3: [65, 13] from Operation: 91/7=13 Current State: 52:[65, 13], Operations: ['79-72=7', '91/7=13'] Exploring Operation: 65-13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[91, 72, 79, 65], Operations: [] Exploring Operation: 91-79=12, Resulting Numbers: [72, 65, 12] Generated Node #0,0: 52:[72, 65, 12] Operation: 91-79=12 Exploring Operation: 91-72=19, Resulting Numbers: [79, 65, 19] Generated Node #0,1: 52:[79, 65, 19] Operation: 91-72=19 Moving to Node #0,0 Current State: 52:[72, 65, 12], Operations: ['91-79=12'] Exploring Operation: 72-65=7, Resulting Numbers: [12, 7] Generated Node #0,0,0: 52:[12, 7] Operation: 72-65=7 Exploring Operation: 72/12=6, Resulting Numbers: [65, 6] Generated Node #0,0,1: 52:[65, 6] Operation: 72/12=6 Moving to Node #0,1 Current State: 52:[79, 65, 19], Operations: ['91-72=19'] Exploring Operation: 79-65=14, Resulting Numbers: [19, 14] Generated Node #0,1,0: 52:[19, 14] Operation: 79-65=14 Exploring Operation: 79-19=60, Resulting Numbers: [65, 60] Generated Node #0,1,1: 52:[65, 60] Operation: 79-19=60 Moving to Node #0,0,0 Current State: 52:[12, 7], Operations: ['91-79=12', '72-65=7'] Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[19, 14], Operations: ['91-72=19', '79-65=14'] Exploring Operation: 19+14=33, Resulting Numbers: [33] 33,52 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[65, 6], Operations: ['91-79=12', '72/12=6'] Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,52 unequal: No Solution Exploring Operation: 65+6=71, Resulting Numbers: [71] 71,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[65, 60], Operations: ['91-72=19', '79-19=60'] Exploring Operation: 65-60=5, Resulting Numbers: [5] 5,52 unequal: No Solution Exploring Operation: 65+60=125, Resulting Numbers: [125] 125,52 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 66, 65, 16, 94 ]
79
[ "66-65=1", "94-16=78", "1+78=79" ]
Current State: 79:[66, 65, 16, 94], Operations: [] Exploring Operation: 66-65=1, Resulting Numbers: [16, 94, 1] Generated Node #2: [16, 94, 1] from Operation: 66-65=1 Current State: 79:[16, 94, 1], Operations: ['66-65=1'] Exploring Operation: 94-16=78, Resulting Numbers: [1, 78] Generated Node #3: [1, 78] from Operation: 94-16=78 Current State: 79:[1, 78], Operations: ['66-65=1', '94-16=78'] Exploring Operation: 1+78=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[66, 65, 16, 94], Operations: [] Exploring Operation: 65-16=49, Resulting Numbers: [66, 94, 49] Generated Node #0,0: 79:[66, 94, 49] Operation: 65-16=49 Exploring Operation: 66+16=82, Resulting Numbers: [65, 94, 82] Generated Node #0,1: 79:[65, 94, 82] Operation: 66+16=82 Exploring Operation: 94-16=78, Resulting Numbers: [66, 65, 78] Generated Node #0,2: 79:[66, 65, 78] Operation: 94-16=78 Exploring Operation: 66-16=50, Resulting Numbers: [65, 94, 50] Generated Node #0,3: 79:[65, 94, 50] Operation: 66-16=50 Exploring Operation: 65+16=81, Resulting Numbers: [66, 94, 81] Generated Node #0,4: 79:[66, 94, 81] Operation: 65+16=81 Moving to Node #0,2 Current State: 79:[66, 65, 78], Operations: ['94-16=78'] Exploring Operation: 65+78=143, Resulting Numbers: [66, 143] Generated Node #0,2,0: 79:[66, 143] Operation: 65+78=143 Exploring Operation: 66+78=144, Resulting Numbers: [65, 144] Generated Node #0,2,1: 79:[65, 144] Operation: 66+78=144 Exploring Operation: 66-65=1, Resulting Numbers: [78, 1] Generated Node #0,2,2: 79:[78, 1] Operation: 66-65=1 Exploring Operation: 78-65=13, Resulting Numbers: [66, 13] Generated Node #0,2,3: 79:[66, 13] Operation: 78-65=13 Exploring Operation: 66+65=131, Resulting Numbers: [78, 131] Generated Node #0,2,4: 79:[78, 131] Operation: 66+65=131 Moving to Node #0,4 Current State: 79:[66, 94, 81], Operations: ['65+16=81'] Exploring Operation: 94-66=28, Resulting Numbers: [81, 28] Generated Node #0,4,0: 79:[81, 28] Operation: 94-66=28 Exploring Operation: 66+81=147, Resulting Numbers: [94, 147] Generated Node #0,4,1: 79:[94, 147] Operation: 66+81=147 Exploring Operation: 66+94=160, Resulting Numbers: [81, 160] Generated Node #0,4,2: 79:[81, 160] Operation: 66+94=160 Exploring Operation: 81-66=15, Resulting Numbers: [94, 15] Generated Node #0,4,3: 79:[94, 15] Operation: 81-66=15 Exploring Operation: 94-81=13, Resulting Numbers: [66, 13] Generated Node #0,4,4: 79:[66, 13] Operation: 94-81=13 Moving to Node #0,1 Current State: 79:[65, 94, 82], Operations: ['66+16=82'] Exploring Operation: 65+94=159, Resulting Numbers: [82, 159] Generated Node #0,1,0: 79:[82, 159] Operation: 65+94=159 Exploring Operation: 94-65=29, Resulting Numbers: [82, 29] Generated Node #0,1,1: 79:[82, 29] Operation: 94-65=29 Exploring Operation: 82-65=17, Resulting Numbers: [94, 17] Generated Node #0,1,2: 79:[94, 17] Operation: 82-65=17 Exploring Operation: 94-82=12, Resulting Numbers: [65, 12] Generated Node #0,1,3: 79:[65, 12] Operation: 94-82=12 Exploring Operation: 65+82=147, Resulting Numbers: [94, 147] Generated Node #0,1,4: 79:[94, 147] Operation: 65+82=147 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 79:[82, 29], Operations: ['66+16=82', '94-65=29'] Exploring Operation: 82-29=53, Resulting Numbers: [53] 53,79 unequal: No Solution Exploring Operation: 82*29=2378, Resulting Numbers: [2378] 2378,79 unequal: No Solution Exploring Operation: 82+29=111, Resulting Numbers: [111] 111,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 79:[94, 17], Operations: ['66+16=82', '82-65=17'] Exploring Operation: 94-17=77, Resulting Numbers: [77] 77,79 unequal: No Solution Exploring Operation: 94+17=111, Resulting Numbers: [111] 111,79 unequal: No Solution Exploring Operation: 94*17=1598, Resulting Numbers: [1598] 1598,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 79:[65, 12], Operations: ['66+16=82', '94-82=12'] Exploring Operation: 65+12=77, Resulting Numbers: [77] 77,79 unequal: No Solution Exploring Operation: 65*12=780, Resulting Numbers: [780] 780,79 unequal: No Solution Exploring Operation: 65-12=53, Resulting Numbers: [53] 53,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 79:[82, 159], Operations: ['66+16=82', '65+94=159'] Exploring Operation: 159-82=77, Resulting Numbers: [77] 77,79 unequal: No Solution Exploring Operation: 82+159=241, Resulting Numbers: [241] 241,79 unequal: No Solution Exploring Operation: 82*159=13038, Resulting Numbers: [13038] 13038,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 79:[94, 147], Operations: ['66+16=82', '65+82=147'] Exploring Operation: 94*147=13818, Resulting Numbers: [13818] 13818,79 unequal: No Solution Exploring Operation: 94+147=241, Resulting Numbers: [241] 241,79 unequal: No Solution Exploring Operation: 147-94=53, Resulting Numbers: [53] 53,79 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: 79:[66, 94, 49], Operations: ['65-16=49'] Exploring Operation: 66-49=17, Resulting Numbers: [94, 17] Generated Node #0,0,0: 79:[94, 17] Operation: 66-49=17 Exploring Operation: 94-66=28, Resulting Numbers: [49, 28] Generated Node #0,0,1: 79:[49, 28] Operation: 94-66=28 Exploring Operation: 94-49=45, Resulting Numbers: [66, 45] Generated Node #0,0,2: 79:[66, 45] Operation: 94-49=45 Exploring Operation: 94+49=143, Resulting Numbers: [66, 143] Generated Node #0,0,3: 79:[66, 143] Operation: 94+49=143 Exploring Operation: 66+49=115, Resulting Numbers: [94, 115] Generated Node #0,0,4: 79:[94, 115] Operation: 66+49=115 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 79:[66, 45], Operations: ['65-16=49', '94-49=45'] Exploring Operation: 66*45=2970, Resulting Numbers: [2970] 2970,79 unequal: No Solution Exploring Operation: 66+45=111, Resulting Numbers: [111] 111,79 unequal: No Solution Exploring Operation: 66-45=21, Resulting Numbers: [21] 21,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 79:[94, 115], Operations: ['65-16=49', '66+49=115'] Exploring Operation: 94*115=10810, Resulting Numbers: [10810] 10810,79 unequal: No Solution Exploring Operation: 94+115=209, Resulting Numbers: [209] 209,79 unequal: No Solution Exploring Operation: 115-94=21, Resulting Numbers: [21] 21,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[94, 17], Operations: ['65-16=49', '66-49=17'] Exploring Operation: 94-17=77, Resulting Numbers: [77] 77,79 unequal: No Solution Exploring Operation: 94*17=1598, Resulting Numbers: [1598] 1598,79 unequal: No Solution Exploring Operation: 94+17=111, Resulting Numbers: [111] 111,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 79:[66, 143], Operations: ['65-16=49', '94+49=143'] Exploring Operation: 143-66=77, Resulting Numbers: [77] 77,79 unequal: No Solution Exploring Operation: 66*143=9438, Resulting Numbers: [9438] 9438,79 unequal: No Solution Exploring Operation: 66+143=209, Resulting Numbers: [209] 209,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 79:[49, 28], Operations: ['65-16=49', '94-66=28'] Exploring Operation: 49-28=21, Resulting Numbers: [21] 21,79 unequal: No Solution Exploring Operation: 49+28=77, Resulting Numbers: [77] 77,79 unequal: No Solution Exploring Operation: 49*28=1372, Resulting Numbers: [1372] 1372,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 79:[65, 94, 50], Operations: ['66-16=50'] Exploring Operation: 65-50=15, Resulting Numbers: [94, 15] Generated Node #0,3,0: 79:[94, 15] Operation: 65-50=15 Exploring Operation: 94+50=144, Resulting Numbers: [65, 144] Generated Node #0,3,1: 79:[65, 144] Operation: 94+50=144 Exploring Operation: 65+50=115, Resulting Numbers: [94, 115] Generated Node #0,3,2: 79:[94, 115] Operation: 65+50=115 Exploring Operation: 94-50=44, Resulting Numbers: [65, 44] Generated Node #0,3,3: 79:[65, 44] Operation: 94-50=44 Exploring Operation: 94-65=29, Resulting Numbers: [50, 29] Generated Node #0,3,4: 79:[50, 29] Operation: 94-65=29 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 79:[65, 44], Operations: ['66-16=50', '94-50=44'] Exploring Operation: 65-44=21, Resulting Numbers: [21] 21,79 unequal: No Solution Exploring Operation: 65*44=2860, Resulting Numbers: [2860] 2860,79 unequal: No Solution Exploring Operation: 65+44=109, Resulting Numbers: [109] 109,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 79:[94, 115], Operations: ['66-16=50', '65+50=115'] Exploring Operation: 94+115=209, Resulting Numbers: [209] 209,79 unequal: No Solution Exploring Operation: 94*115=10810, Resulting Numbers: [10810] 10810,79 unequal: No Solution Exploring Operation: 115-94=21, Resulting Numbers: [21] 21,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 79:[94, 15], Operations: ['66-16=50', '65-50=15'] Exploring Operation: 94*15=1410, Resulting Numbers: [1410] 1410,79 unequal: No Solution Exploring Operation: 94-15=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[66, 65, 16, 94], Operations: [] Exploring Operation: 66-16=50, Resulting Numbers: [65, 94, 50] Generated Node #0,3: 79:[65, 94, 50] Operation: 66-16=50 Moving to Node #0,3 Current State: 79:[65, 94, 50], Operations: ['66-16=50'] Exploring Operation: 65-50=15, Resulting Numbers: [94, 15] Generated Node #0,3,0: 79:[94, 15] Operation: 65-50=15 Moving to Node #0,3,0 Current State: 79:[94, 15], Operations: ['66-16=50', '65-50=15'] Exploring Operation: 94-15=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.9375
hs_5
sum_heuristic
[ 3, 83, 40, 55 ]
44
[ "83-55=28", "3*28=84", "84-40=44" ]
Current State: 44:[3, 83, 40, 55], Operations: [] Exploring Operation: 83-55=28, Resulting Numbers: [3, 40, 28] Generated Node #2: [3, 40, 28] from Operation: 83-55=28 Current State: 44:[3, 40, 28], Operations: ['83-55=28'] Exploring Operation: 3*28=84, Resulting Numbers: [40, 84] Generated Node #3: [40, 84] from Operation: 3*28=84 Current State: 44:[40, 84], Operations: ['83-55=28', '3*28=84'] Exploring Operation: 84-40=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[3, 83, 40, 55], Operations: [] Exploring Operation: 83-55=28, Resulting Numbers: [3, 40, 28] Generated Node #0,0: 44:[3, 40, 28] Operation: 83-55=28 Exploring Operation: 83-40=43, Resulting Numbers: [3, 55, 43] Generated Node #0,1: 44:[3, 55, 43] Operation: 83-40=43 Moving to Node #0,0 Current State: 44:[3, 40, 28], Operations: ['83-55=28'] Exploring Operation: 40-28=12, Resulting Numbers: [3, 12] Generated Node #0,0,0: 44:[3, 12] Operation: 40-28=12 Exploring Operation: 3+40=43, Resulting Numbers: [28, 43] Generated Node #0,0,1: 44:[28, 43] Operation: 3+40=43 Moving to Node #0,1 Current State: 44:[3, 55, 43], Operations: ['83-40=43'] Exploring Operation: 55-3=52, Resulting Numbers: [43, 52] Generated Node #0,1,0: 44:[43, 52] Operation: 55-3=52 Exploring Operation: 55-43=12, Resulting Numbers: [3, 12] Generated Node #0,1,1: 44:[3, 12] Operation: 55-43=12 Moving to Node #0,0,0 Current State: 44:[3, 12], Operations: ['83-55=28', '40-28=12'] Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,44 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[3, 12], Operations: ['83-40=43', '55-43=12'] Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[28, 43], Operations: ['83-55=28', '3+40=43'] Exploring Operation: 43-28=15, Resulting Numbers: [15] 15,44 unequal: No Solution Exploring Operation: 28+43=71, Resulting Numbers: [71] 71,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[43, 52], Operations: ['83-40=43', '55-3=52'] Exploring Operation: 43+52=95, Resulting Numbers: [95] 95,44 unequal: No Solution Exploring Operation: 52-43=9, Resulting Numbers: [9] 9,44 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 43, 95, 71, 38 ]
92
[ "43+71=114", "114/38=3", "95-3=92" ]
Current State: 92:[43, 95, 71, 38], Operations: [] Exploring Operation: 43+71=114, Resulting Numbers: [95, 38, 114] Generated Node #2: [95, 38, 114] from Operation: 43+71=114 Current State: 92:[95, 38, 114], Operations: ['43+71=114'] Exploring Operation: 114/38=3, Resulting Numbers: [95, 3] Generated Node #3: [95, 3] from Operation: 114/38=3 Current State: 92:[95, 3], Operations: ['43+71=114', '114/38=3'] Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[43, 95, 71, 38], Operations: [] Exploring Operation: 43-38=5, Resulting Numbers: [95, 71, 5] Generated Node #0,0: 92:[95, 71, 5] Operation: 43-38=5 Exploring Operation: 71-38=33, Resulting Numbers: [43, 95, 33] Generated Node #0,1: 92:[43, 95, 33] Operation: 71-38=33 Exploring Operation: 71-43=28, Resulting Numbers: [95, 38, 28] Generated Node #0,2: 92:[95, 38, 28] Operation: 71-43=28 Exploring Operation: 71+38=109, Resulting Numbers: [43, 95, 109] Generated Node #0,3: 92:[43, 95, 109] Operation: 71+38=109 Exploring Operation: 95-71=24, Resulting Numbers: [43, 38, 24] Generated Node #0,4: 92:[43, 38, 24] Operation: 95-71=24 Moving to Node #0,4 Current State: 92:[43, 38, 24], Operations: ['95-71=24'] Exploring Operation: 43-24=19, Resulting Numbers: [38, 19] Generated Node #0,4,0: 92:[38, 19] Operation: 43-24=19 Exploring Operation: 38-24=14, Resulting Numbers: [43, 14] Generated Node #0,4,1: 92:[43, 14] Operation: 38-24=14 Exploring Operation: 43+38=81, Resulting Numbers: [24, 81] Generated Node #0,4,2: 92:[24, 81] Operation: 43+38=81 Exploring Operation: 38+24=62, Resulting Numbers: [43, 62] Generated Node #0,4,3: 92:[43, 62] Operation: 38+24=62 Exploring Operation: 43-38=5, Resulting Numbers: [24, 5] Generated Node #0,4,4: 92:[24, 5] Operation: 43-38=5 Moving to Node #0,2 Current State: 92:[95, 38, 28], Operations: ['71-43=28'] Exploring Operation: 38+28=66, Resulting Numbers: [95, 66] Generated Node #0,2,0: 92:[95, 66] Operation: 38+28=66 Exploring Operation: 95-38=57, Resulting Numbers: [28, 57] Generated Node #0,2,1: 92:[28, 57] Operation: 95-38=57 Exploring Operation: 95+28=123, Resulting Numbers: [38, 123] Generated Node #0,2,2: 92:[38, 123] Operation: 95+28=123 Exploring Operation: 95-28=67, Resulting Numbers: [38, 67] Generated Node #0,2,3: 92:[38, 67] Operation: 95-28=67 Exploring Operation: 38-28=10, Resulting Numbers: [95, 10] Generated Node #0,2,4: 92:[95, 10] Operation: 38-28=10 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 92:[95, 10], Operations: ['71-43=28', '38-28=10'] Exploring Operation: 95*10=950, Resulting Numbers: [950] 950,92 unequal: No Solution Exploring Operation: 95-10=85, Resulting Numbers: [85] 85,92 unequal: No Solution Exploring Operation: 95+10=105, Resulting Numbers: [105] 105,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 92:[28, 57], Operations: ['71-43=28', '95-38=57'] Exploring Operation: 28*57=1596, Resulting Numbers: [1596] 1596,92 unequal: No Solution Exploring Operation: 28+57=85, Resulting Numbers: [85] 85,92 unequal: No Solution Exploring Operation: 57-28=29, Resulting Numbers: [29] 29,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 92:[95, 66], Operations: ['71-43=28', '38+28=66'] Exploring Operation: 95+66=161, Resulting Numbers: [161] 161,92 unequal: No Solution Exploring Operation: 95*66=6270, Resulting Numbers: [6270] 6270,92 unequal: No Solution Exploring Operation: 95-66=29, Resulting Numbers: [29] 29,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 92:[38, 67], Operations: ['71-43=28', '95-28=67'] Exploring Operation: 38*67=2546, Resulting Numbers: [2546] 2546,92 unequal: No Solution Exploring Operation: 38+67=105, Resulting Numbers: [105] 105,92 unequal: No Solution Exploring Operation: 67-38=29, Resulting Numbers: [29] 29,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 92:[38, 123], Operations: ['71-43=28', '95+28=123'] Exploring Operation: 38+123=161, Resulting Numbers: [161] 161,92 unequal: No Solution Exploring Operation: 38*123=4674, Resulting Numbers: [4674] 4674,92 unequal: No Solution Exploring Operation: 123-38=85, Resulting Numbers: [85] 85,92 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: 92:[43, 95, 33], Operations: ['71-38=33'] Exploring Operation: 95-33=62, Resulting Numbers: [43, 62] Generated Node #0,1,0: 92:[43, 62] Operation: 95-33=62 Exploring Operation: 95-43=52, Resulting Numbers: [33, 52] Generated Node #0,1,1: 92:[33, 52] Operation: 95-43=52 Exploring Operation: 43+33=76, Resulting Numbers: [95, 76] Generated Node #0,1,2: 92:[95, 76] Operation: 43+33=76 Exploring Operation: 95+33=128, Resulting Numbers: [43, 128] Generated Node #0,1,3: 92:[43, 128] Operation: 95+33=128 Exploring Operation: 43-33=10, Resulting Numbers: [95, 10] Generated Node #0,1,4: 92:[95, 10] Operation: 43-33=10 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 92:[95, 10], Operations: ['71-38=33', '43-33=10'] Exploring Operation: 95+10=105, Resulting Numbers: [105] 105,92 unequal: No Solution Exploring Operation: 95*10=950, Resulting Numbers: [950] 950,92 unequal: No Solution Exploring Operation: 95-10=85, Resulting Numbers: [85] 85,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 92:[33, 52], Operations: ['71-38=33', '95-43=52'] Exploring Operation: 33*52=1716, Resulting Numbers: [1716] 1716,92 unequal: No Solution Exploring Operation: 52-33=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 33+52=85, Resulting Numbers: [85] 85,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 92:[43, 62], Operations: ['71-38=33', '95-33=62'] Exploring Operation: 43+62=105, Resulting Numbers: [105] 105,92 unequal: No Solution Exploring Operation: 43*62=2666, Resulting Numbers: [2666] 2666,92 unequal: No Solution Exploring Operation: 62-43=19, Resulting Numbers: [19] 19,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 92:[95, 76], Operations: ['71-38=33', '43+33=76'] Exploring Operation: 95*76=7220, Resulting Numbers: [7220] 7220,92 unequal: No Solution Exploring Operation: 95-76=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 95+76=171, Resulting Numbers: [171] 171,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 92:[43, 128], Operations: ['71-38=33', '95+33=128'] Exploring Operation: 43*128=5504, Resulting Numbers: [5504] 5504,92 unequal: No Solution Exploring Operation: 128-43=85, Resulting Numbers: [85] 85,92 unequal: No Solution Exploring Operation: 43+128=171, Resulting Numbers: [171] 171,92 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: 92:[43, 95, 109], Operations: ['71+38=109'] Exploring Operation: 109-43=66, Resulting Numbers: [95, 66] Generated Node #0,3,0: 92:[95, 66] Operation: 109-43=66 Exploring Operation: 43+95=138, Resulting Numbers: [109, 138] Generated Node #0,3,1: 92:[109, 138] Operation: 43+95=138 Exploring Operation: 95-43=52, Resulting Numbers: [109, 52] Generated Node #0,3,2: 92:[109, 52] Operation: 95-43=52 Exploring Operation: 43+109=152, Resulting Numbers: [95, 152] Generated Node #0,3,3: 92:[95, 152] Operation: 43+109=152 Exploring Operation: 109-95=14, Resulting Numbers: [43, 14] Generated Node #0,3,4: 92:[43, 14] Operation: 109-95=14 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 92:[43, 14], Operations: ['71+38=109', '109-95=14'] Exploring Operation: 43*14=602, Resulting Numbers: [602] 602,92 unequal: No Solution Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,92 unequal: No Solution Exploring Operation: 43+14=57, Resulting Numbers: [57] 57,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 92:[95, 66], Operations: ['71+38=109', '109-43=66'] Exploring Operation: 95*66=6270, Resulting Numbers: [6270] 6270,92 unequal: No Solution Exploring Operation: 95+66=161, Resulting Numbers: [161] 161,92 unequal: No Solution Exploring Operation: 95-66=29, Resulting Numbers: [29] 29,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 92:[109, 52], Operations: ['71+38=109', '95-43=52'] Exploring Operation: 109*52=5668, Resulting Numbers: [5668] 5668,92 unequal: No Solution Exploring Operation: 109-52=57, Resulting Numbers: [57] 57,92 unequal: No Solution Exploring Operation: 109+52=161, Resulting Numbers: [161] 161,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 92:[109, 138], Operations: ['71+38=109', '43+95=138'] Exploring Operation: 109+138=247, Resulting Numbers: [247] 247,92 unequal: No Solution Exploring Operation: 109*138=15042, Resulting Numbers: [15042] 15042,92 unequal: No Solution Exploring Operation: 138-109=29, Resulting Numbers: [29] 29,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 92:[95, 152], Operations: ['71+38=109', '43+109=152'] Exploring Operation: 152-95=57, Resulting Numbers: [57] 57,92 unequal: No Solution Exploring Operation: 95*152=14440, Resulting Numbers: [14440] 14440,92 unequal: No Solution Exploring Operation: 95+152=247, Resulting Numbers: [247] 247,92 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: 92:[95, 71, 5], Operations: ['43-38=5'] Exploring Operation: 95-5=90, Resulting Numbers: [71, 90] Generated Node #0,0,0: 92:[71, 90] Operation: 95-5=90 Exploring Operation: 71-5=66, Resulting Numbers: [95, 66] Generated Node #0,0,1: 92:[95, 66] Operation: 71-5=66 Exploring Operation: 95/5=19, Resulting Numbers: [71, 19] Generated Node #0,0,2: 92:[71, 19] Operation: 95/5=19 Exploring Operation: 95-71=24, Resulting Numbers: [5, 24] Generated Node #0,0,3: 92:[5, 24] Operation: 95-71=24 Exploring Operation: 71+5=76, Resulting Numbers: [95, 76] Generated Node #0,0,4: 92:[95, 76] Operation: 71+5=76 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 92:[5, 24], Operations: ['43-38=5', '95-71=24'] Exploring Operation: 5*24=120, Resulting Numbers: [120] 120,92 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 92:[95, 76], Operations: ['43-38=5', '71+5=76'] Exploring Operation: 95-76=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 95+76=171, Resulting Numbers: [171] 171,92 unequal: No Solution Exploring Operation: 95*76=7220, Resulting Numbers: [7220] 7220,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[71, 90], Operations: ['43-38=5', '95-5=90'] Exploring Operation: 71+90=161, Resulting Numbers: [161] 161,92 unequal: No Solution Exploring Operation: 90-71=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 71*90=6390, Resulting Numbers: [6390] 6390,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 92:[95, 66], Operations: ['43-38=5', '71-5=66'] Exploring Operation: 95*66=6270, Resulting Numbers: [6270] 6270,92 unequal: No Solution Exploring Operation: 95-66=29, Resulting Numbers: [29] 29,92 unequal: No Solution Exploring Operation: 95+66=161, Resulting Numbers: [161] 161,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 92:[71, 19], Operations: ['43-38=5', '95/5=19'] Exploring Operation: 71*19=1349, Resulting Numbers: [1349] 1349,92 unequal: No Solution Exploring Operation: 71-19=52, Resulting Numbers: [52] 52,92 unequal: No Solution Exploring Operation: 71+19=90, Resulting Numbers: [90] 90,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,4 Current State: 92:[24, 5], Operations: ['95-71=24', '43-38=5'] Exploring Operation: 24*5=120, Resulting Numbers: [120] 120,92 unequal: No Solution Exploring Operation: 24+5=29, Resulting Numbers: [29] 29,92 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,92 unequal: No Solution Moving to Node #0,4,1 Current State: 92:[43, 14], Operations: ['95-71=24', '38-24=14'] Exploring Operation: 43*14=602, Resulting Numbers: [602] 602,92 unequal: No Solution Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,92 unequal: No Solution Exploring Operation: 43+14=57, Resulting Numbers: [57] 57,92 unequal: No Solution Moving to Node #0,4,0 Current State: 92:[38, 19], Operations: ['95-71=24', '43-24=19'] Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 38*19=722, Resulting Numbers: [722] 722,92 unequal: No Solution Exploring Operation: 38+19=57, Resulting Numbers: [57] 57,92 unequal: No Solution Moving to Node #0,4,2 Current State: 92:[24, 81], Operations: ['95-71=24', '43+38=81'] Exploring Operation: 24+81=105, Resulting Numbers: [105] 105,92 unequal: No Solution Exploring Operation: 81-24=57, Resulting Numbers: [57] 57,92 unequal: No Solution Exploring Operation: 24*81=1944, Resulting Numbers: [1944] 1944,92 unequal: No Solution Moving to Node #0,4,3 Current State: 92:[43, 62], Operations: ['95-71=24', '38+24=62'] Exploring Operation: 43+62=105, Resulting Numbers: [105] 105,92 unequal: No Solution Exploring Operation: 62-43=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 43*62=2666, Resulting Numbers: [2666] 2666,92 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 2, 57, 26, 40 ]
35
[ "2*26=52", "57-40=17", "52-17=35" ]
Current State: 35:[2, 57, 26, 40], Operations: [] Exploring Operation: 2*26=52, Resulting Numbers: [57, 40, 52] Generated Node #2: [57, 40, 52] from Operation: 2*26=52 Current State: 35:[57, 40, 52], Operations: ['2*26=52'] Exploring Operation: 57-40=17, Resulting Numbers: [52, 17] Generated Node #3: [52, 17] from Operation: 57-40=17 Current State: 35:[52, 17], Operations: ['2*26=52', '57-40=17'] Exploring Operation: 52-17=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[2, 57, 26, 40], Operations: [] Exploring Operation: 57-40=17, Resulting Numbers: [2, 26, 17] Generated Node #0,0: 35:[2, 26, 17] Operation: 57-40=17 Exploring Operation: 40-26=14, Resulting Numbers: [2, 57, 14] Generated Node #0,1: 35:[2, 57, 14] Operation: 40-26=14 Exploring Operation: 57-26=31, Resulting Numbers: [2, 40, 31] Generated Node #0,2: 35:[2, 40, 31] Operation: 57-26=31 Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[2, 40, 31], Operations: ['57-26=31'] Exploring Operation: 40-2=38, Resulting Numbers: [31, 38] Generated Node #0,2,0: 35:[31, 38] Operation: 40-2=38 Exploring Operation: 2+31=33, Resulting Numbers: [40, 33] Generated Node #0,2,1: 35:[40, 33] Operation: 2+31=33 Exploring Operation: 40-31=9, Resulting Numbers: [2, 9] Generated Node #0,2,2: 35:[2, 9] Operation: 40-31=9 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 35:[2, 9], Operations: ['57-26=31', '40-31=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 35:[31, 38], Operations: ['57-26=31', '40-2=38'] Exploring Operation: 31*38=1178, Resulting Numbers: [1178] 1178,35 unequal: No Solution Exploring Operation: 31+38=69, Resulting Numbers: [69] 69,35 unequal: No Solution Exploring Operation: 38-31=7, Resulting Numbers: [7] 7,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 35:[40, 33], Operations: ['57-26=31', '2+31=33'] Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,35 unequal: No Solution Exploring Operation: 40*33=1320, Resulting Numbers: [1320] 1320,35 unequal: No Solution Exploring Operation: 40+33=73, Resulting Numbers: [73] 73,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[2, 26, 17], Operations: ['57-40=17'] Exploring Operation: 26-17=9, Resulting Numbers: [2, 9] Generated Node #0,0,0: 35:[2, 9] Operation: 26-17=9 Exploring Operation: 2*17=34, Resulting Numbers: [26, 34] Generated Node #0,0,1: 35:[26, 34] Operation: 2*17=34 Exploring Operation: 26+17=43, Resulting Numbers: [2, 43] Generated Node #0,0,2: 35:[2, 43] Operation: 26+17=43 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 35:[2, 9], Operations: ['57-40=17', '26-17=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,35 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 35:[26, 34], Operations: ['57-40=17', '2*17=34'] Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,35 unequal: No Solution Exploring Operation: 26+34=60, Resulting Numbers: [60] 60,35 unequal: No Solution Exploring Operation: 26*34=884, Resulting Numbers: [884] 884,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 35:[2, 43], Operations: ['57-40=17', '26+17=43'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,35 unequal: No Solution Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,35 unequal: No Solution Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[2, 57, 14], Operations: ['40-26=14'] Exploring Operation: 57-14=43, Resulting Numbers: [2, 43] Generated Node #0,1,0: 35:[2, 43] Operation: 57-14=43 Exploring Operation: 14/2=7, Resulting Numbers: [57, 7] Generated Node #0,1,1: 35:[57, 7] Operation: 14/2=7 Exploring Operation: 57-2=55, Resulting Numbers: [14, 55] Generated Node #0,1,2: 35:[14, 55] Operation: 57-2=55 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 35:[2, 43], Operations: ['40-26=14', '57-14=43'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,35 unequal: No Solution Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,35 unequal: No Solution Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 35:[57, 7], Operations: ['40-26=14', '14/2=7'] Exploring Operation: 57+7=64, Resulting Numbers: [64] 64,35 unequal: No Solution Exploring Operation: 57-7=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 57*7=399, Resulting Numbers: [399] 399,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 35:[14, 55], Operations: ['40-26=14', '57-2=55'] Exploring Operation: 14*55=770, Resulting Numbers: [770] 770,35 unequal: No Solution Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,35 unequal: No Solution Exploring Operation: 14+55=69, Resulting Numbers: [69] 69,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 38, 98, 12, 45 ]
93
[ "98-38=60", "45-12=33", "60+33=93" ]
Current State: 93:[38, 98, 12, 45], Operations: [] Exploring Operation: 98-38=60, Resulting Numbers: [12, 45, 60] Generated Node #2: [12, 45, 60] from Operation: 98-38=60 Current State: 93:[12, 45, 60], Operations: ['98-38=60'] Exploring Operation: 45-12=33, Resulting Numbers: [60, 33] Generated Node #3: [60, 33] from Operation: 45-12=33 Current State: 93:[60, 33], Operations: ['98-38=60', '45-12=33'] Exploring Operation: 60+33=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[38, 98, 12, 45], Operations: [] Exploring Operation: 45-38=7, Resulting Numbers: [98, 12, 7] Generated Node #0,0: 93:[98, 12, 7] Operation: 45-38=7 Exploring Operation: 38-12=26, Resulting Numbers: [98, 45, 26] Generated Node #0,1: 93:[98, 45, 26] Operation: 38-12=26 Exploring Operation: 45-12=33, Resulting Numbers: [38, 98, 33] Generated Node #0,2: 93:[38, 98, 33] Operation: 45-12=33 Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[38, 98, 33], Operations: ['45-12=33'] Exploring Operation: 98-38=60, Resulting Numbers: [33, 60] Generated Node #0,2,0: 93:[33, 60] Operation: 98-38=60 Exploring Operation: 38+33=71, Resulting Numbers: [98, 71] Generated Node #0,2,1: 93:[98, 71] Operation: 38+33=71 Exploring Operation: 38-33=5, Resulting Numbers: [98, 5] Generated Node #0,2,2: 93:[98, 5] Operation: 38-33=5 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 93:[98, 5], Operations: ['45-12=33', '38-33=5'] Exploring Operation: 98+5=103, Resulting Numbers: [103] 103,93 unequal: No Solution Exploring Operation: 98*5=490, Resulting Numbers: [490] 490,93 unequal: No Solution Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[38, 98, 12, 45], Operations: [] Exploring Operation: 45-12=33, Resulting Numbers: [38, 98, 33] Generated Node #0,2: 93:[38, 98, 33] Operation: 45-12=33 Moving to Node #0,2 Current State: 93:[38, 98, 33], Operations: ['45-12=33'] Exploring Operation: 38-33=5, Resulting Numbers: [98, 5] Generated Node #0,2,2: 93:[98, 5] Operation: 38-33=5 Moving to Node #0,2,2 Current State: 93:[98, 5], Operations: ['45-12=33', '38-33=5'] Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 28, 16, 32, 26 ]
40
[ "28*16=448", "448/32=14", "26+14=40" ]
Current State: 40:[28, 16, 32, 26], Operations: [] Exploring Operation: 28*16=448, Resulting Numbers: [32, 26, 448] Generated Node #2: [32, 26, 448] from Operation: 28*16=448 Current State: 40:[32, 26, 448], Operations: ['28*16=448'] Exploring Operation: 448/32=14, Resulting Numbers: [26, 14] Generated Node #3: [26, 14] from Operation: 448/32=14 Current State: 40:[26, 14], Operations: ['28*16=448', '448/32=14'] Exploring Operation: 26+14=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[28, 16, 32, 26], Operations: [] Exploring Operation: 32-28=4, Resulting Numbers: [16, 26, 4] Generated Node #0,0: 40:[16, 26, 4] Operation: 32-28=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[16, 26, 4], Operations: ['32-28=4'] Exploring Operation: 26-16=10, Resulting Numbers: [4, 10] Generated Node #0,0,0: 40:[4, 10] Operation: 26-16=10 Moving to Node #0,0,0 Current State: 40:[4, 10], Operations: ['32-28=4', '26-16=10'] Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[28, 16, 32, 26], Operations: [] Exploring Operation: 32-28=4, Resulting Numbers: [16, 26, 4] Generated Node #0,0: 40:[16, 26, 4] Operation: 32-28=4 Moving to Node #0,0 Current State: 40:[16, 26, 4], Operations: ['32-28=4'] Exploring Operation: 26-16=10, Resulting Numbers: [4, 10] Generated Node #0,0,0: 40:[4, 10] Operation: 26-16=10 Moving to Node #0,0,0 Current State: 40:[4, 10], Operations: ['32-28=4', '26-16=10'] Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 51, 34, 60, 80 ]
30
[ "80-60=20", "51*20=1020", "1020/34=30" ]
Current State: 30:[51, 34, 60, 80], Operations: [] Exploring Operation: 80-60=20, Resulting Numbers: [51, 34, 20] Generated Node #2: [51, 34, 20] from Operation: 80-60=20 Current State: 30:[51, 34, 20], Operations: ['80-60=20'] Exploring Operation: 51*20=1020, Resulting Numbers: [34, 1020] Generated Node #3: [34, 1020] from Operation: 51*20=1020 Current State: 30:[34, 1020], Operations: ['80-60=20', '51*20=1020'] Exploring Operation: 1020/34=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[51, 34, 60, 80], Operations: [] Exploring Operation: 80-51=29, Resulting Numbers: [34, 60, 29] Generated Node #0,0: 30:[34, 60, 29] Operation: 80-51=29 Exploring Operation: 60-51=9, Resulting Numbers: [34, 80, 9] Generated Node #0,1: 30:[34, 80, 9] Operation: 60-51=9 Exploring Operation: 80-34=46, Resulting Numbers: [51, 60, 46] Generated Node #0,2: 30:[51, 60, 46] Operation: 80-34=46 Exploring Operation: 80-60=20, Resulting Numbers: [51, 34, 20] Generated Node #0,3: 30:[51, 34, 20] Operation: 80-60=20 Moving to Node #0,3 Current State: 30:[51, 34, 20], Operations: ['80-60=20'] Exploring Operation: 51+20=71, Resulting Numbers: [34, 71] Generated Node #0,3,0: 30:[34, 71] Operation: 51+20=71 Exploring Operation: 34-20=14, Resulting Numbers: [51, 14] Generated Node #0,3,1: 30:[51, 14] Operation: 34-20=14 Exploring Operation: 51-20=31, Resulting Numbers: [34, 31] Generated Node #0,3,2: 30:[34, 31] Operation: 51-20=31 Exploring Operation: 51-34=17, Resulting Numbers: [20, 17] Generated Node #0,3,3: 30:[20, 17] Operation: 51-34=17 Moving to Node #0,0 Current State: 30:[34, 60, 29], Operations: ['80-51=29'] Exploring Operation: 34+29=63, Resulting Numbers: [60, 63] Generated Node #0,0,0: 30:[60, 63] Operation: 34+29=63 Exploring Operation: 34-29=5, Resulting Numbers: [60, 5] Generated Node #0,0,1: 30:[60, 5] Operation: 34-29=5 Exploring Operation: 60-29=31, Resulting Numbers: [34, 31] Generated Node #0,0,2: 30:[34, 31] Operation: 60-29=31 Exploring Operation: 60-34=26, Resulting Numbers: [29, 26] Generated Node #0,0,3: 30:[29, 26] Operation: 60-34=26 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 30:[34, 31], Operations: ['80-51=29', '60-29=31'] Exploring Operation: 34-31=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 34+31=65, Resulting Numbers: [65] 65,30 unequal: No Solution Exploring Operation: 34*31=1054, Resulting Numbers: [1054] 1054,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 30:[29, 26], Operations: ['80-51=29', '60-34=26'] Exploring Operation: 29*26=754, Resulting Numbers: [754] 754,30 unequal: No Solution Exploring Operation: 29+26=55, Resulting Numbers: [55] 55,30 unequal: No Solution Exploring Operation: 29-26=3, Resulting Numbers: [3] 3,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[60, 5], Operations: ['80-51=29', '34-29=5'] Exploring Operation: 60+5=65, Resulting Numbers: [65] 65,30 unequal: No Solution Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,30 unequal: No Solution Exploring Operation: 60*5=300, Resulting Numbers: [300] 300,30 unequal: No Solution Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[60, 63], Operations: ['80-51=29', '34+29=63'] Exploring Operation: 60+63=123, Resulting Numbers: [123] 123,30 unequal: No Solution Exploring Operation: 63-60=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 60*63=3780, Resulting Numbers: [3780] 3780,30 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: 30:[34, 80, 9], Operations: ['60-51=9'] Exploring Operation: 80-9=71, Resulting Numbers: [34, 71] Generated Node #0,1,0: 30:[34, 71] Operation: 80-9=71 Exploring Operation: 34+9=43, Resulting Numbers: [80, 43] Generated Node #0,1,1: 30:[80, 43] Operation: 34+9=43 Exploring Operation: 34-9=25, Resulting Numbers: [80, 25] Generated Node #0,1,2: 30:[80, 25] Operation: 34-9=25 Exploring Operation: 80-34=46, Resulting Numbers: [9, 46] Generated Node #0,1,3: 30:[9, 46] Operation: 80-34=46 Moving to Node #0,2 Current State: 30:[51, 60, 46], Operations: ['80-34=46'] Exploring Operation: 60-46=14, Resulting Numbers: [51, 14] Generated Node #0,2,0: 30:[51, 14] Operation: 60-46=14 Exploring Operation: 60-51=9, Resulting Numbers: [46, 9] Generated Node #0,2,1: 30:[46, 9] Operation: 60-51=9 Exploring Operation: 51-46=5, Resulting Numbers: [60, 5] Generated Node #0,2,2: 30:[60, 5] Operation: 51-46=5 Exploring Operation: 51+60=111, Resulting Numbers: [46, 111] Generated Node #0,2,3: 30:[46, 111] Operation: 51+60=111 Moving to Node #0,3,2 Current State: 30:[34, 31], Operations: ['80-60=20', '51-20=31'] Exploring Operation: 34*31=1054, Resulting Numbers: [1054] 1054,30 unequal: No Solution Exploring Operation: 34-31=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 34+31=65, Resulting Numbers: [65] 65,30 unequal: No Solution Moving to Node #0,3,3 Current State: 30:[20, 17], Operations: ['80-60=20', '51-34=17'] Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,30 unequal: No Solution Exploring Operation: 20*17=340, Resulting Numbers: [340] 340,30 unequal: No Solution Exploring Operation: 20+17=37, Resulting Numbers: [37] 37,30 unequal: No Solution Moving to Node #0,1,3 Current State: 30:[9, 46], Operations: ['60-51=9', '80-34=46'] Exploring Operation: 9*46=414, Resulting Numbers: [414] 414,30 unequal: No Solution Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,30 unequal: No Solution Exploring Operation: 9+46=55, Resulting Numbers: [55] 55,30 unequal: No Solution Moving to Node #0,2,1 Current State: 30:[46, 9], Operations: ['80-34=46', '60-51=9'] Exploring Operation: 46+9=55, Resulting Numbers: [55] 55,30 unequal: No Solution Exploring Operation: 46*9=414, Resulting Numbers: [414] 414,30 unequal: No Solution Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,30 unequal: No Solution Moving to Node #0,3,1 Current State: 30:[51, 14], Operations: ['80-60=20', '34-20=14'] Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,30 unequal: No Solution Exploring Operation: 51*14=714, Resulting Numbers: [714] 714,30 unequal: No Solution Exploring Operation: 51+14=65, Resulting Numbers: [65] 65,30 unequal: No Solution Moving to Node #0,2,0 Current State: 30:[51, 14], Operations: ['80-34=46', '60-46=14'] Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,30 unequal: No Solution Exploring Operation: 51*14=714, Resulting Numbers: [714] 714,30 unequal: No Solution Exploring Operation: 51+14=65, Resulting Numbers: [65] 65,30 unequal: No Solution Moving to Node #0,2,2 Current State: 30:[60, 5], Operations: ['80-34=46', '51-46=5'] Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,30 unequal: No Solution Exploring Operation: 60+5=65, Resulting Numbers: [65] 65,30 unequal: No Solution Exploring Operation: 60*5=300, Resulting Numbers: [300] 300,30 unequal: No Solution Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,30 unequal: No Solution Moving to Node #0,1,0 Current State: 30:[34, 71], Operations: ['60-51=9', '80-9=71'] Exploring Operation: 34+71=105, Resulting Numbers: [105] 105,30 unequal: No Solution Exploring Operation: 71-34=37, Resulting Numbers: [37] 37,30 unequal: No Solution Exploring Operation: 34*71=2414, Resulting Numbers: [2414] 2414,30 unequal: No Solution Moving to Node #0,3,0 Current State: 30:[34, 71], Operations: ['80-60=20', '51+20=71'] Exploring Operation: 71-34=37, Resulting Numbers: [37] 37,30 unequal: No Solution Exploring Operation: 34*71=2414, Resulting Numbers: [2414] 2414,30 unequal: No Solution Exploring Operation: 34+71=105, Resulting Numbers: [105] 105,30 unequal: No Solution Moving to Node #0,1,2 Current State: 30:[80, 25], Operations: ['60-51=9', '34-9=25'] Exploring Operation: 80*25=2000, Resulting Numbers: [2000] 2000,30 unequal: No Solution Exploring Operation: 80-25=55, Resulting Numbers: [55] 55,30 unequal: No Solution Exploring Operation: 80+25=105, Resulting Numbers: [105] 105,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[80, 43], Operations: ['60-51=9', '34+9=43'] Exploring Operation: 80+43=123, Resulting Numbers: [123] 123,30 unequal: No Solution Exploring Operation: 80-43=37, Resulting Numbers: [37] 37,30 unequal: No Solution Exploring Operation: 80*43=3440, Resulting Numbers: [3440] 3440,30 unequal: No Solution Moving to Node #0,2,3 Current State: 30:[46, 111], Operations: ['80-34=46', '51+60=111'] Exploring Operation: 46+111=157, Resulting Numbers: [157] 157,30 unequal: No Solution Exploring Operation: 111-46=65, Resulting Numbers: [65] 65,30 unequal: No Solution Exploring Operation: 46*111=5106, Resulting Numbers: [5106] 5106,30 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 17, 51, 29, 63 ]
89
[ "51/17=3", "29+63=92", "92-3=89" ]
Current State: 89:[17, 51, 29, 63], Operations: [] Exploring Operation: 51/17=3, Resulting Numbers: [29, 63, 3] Generated Node #2: [29, 63, 3] from Operation: 51/17=3 Current State: 89:[29, 63, 3], Operations: ['51/17=3'] Exploring Operation: 29+63=92, Resulting Numbers: [3, 92] Generated Node #3: [3, 92] from Operation: 29+63=92 Current State: 89:[3, 92], Operations: ['51/17=3', '29+63=92'] Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[17, 51, 29, 63], Operations: [] Exploring Operation: 17+63=80, Resulting Numbers: [51, 29, 80] Generated Node #0,0: 89:[51, 29, 80] Operation: 17+63=80 Exploring Operation: 51+29=80, Resulting Numbers: [17, 63, 80] Generated Node #0,1: 89:[17, 63, 80] Operation: 51+29=80 Exploring Operation: 17+51=68, Resulting Numbers: [29, 63, 68] Generated Node #0,2: 89:[29, 63, 68] Operation: 17+51=68 Exploring Operation: 17+29=46, Resulting Numbers: [51, 63, 46] Generated Node #0,3: 89:[51, 63, 46] Operation: 17+29=46 Moving to Node #0,0 Current State: 89:[51, 29, 80], Operations: ['17+63=80'] Exploring Operation: 80-29=51, Resulting Numbers: [51, 51] Generated Node #0,0,0: 89:[51, 51] Operation: 80-29=51 Exploring Operation: 51-29=22, Resulting Numbers: [80, 22] Generated Node #0,0,1: 89:[80, 22] Operation: 51-29=22 Exploring Operation: 51+29=80, Resulting Numbers: [80, 80] Generated Node #0,0,2: 89:[80, 80] Operation: 51+29=80 Exploring Operation: 29+80=109, Resulting Numbers: [51, 109] Generated Node #0,0,3: 89:[51, 109] Operation: 29+80=109 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 89:[80, 80], Operations: ['17+63=80', '51+29=80'] Exploring Operation: 80+80=160, Resulting Numbers: [160] 160,89 unequal: No Solution Exploring Operation: 80-80=0, Resulting Numbers: [0] 0,89 unequal: No Solution Exploring Operation: 80*80=6400, Resulting Numbers: [6400] 6400,89 unequal: No Solution Exploring Operation: 80/80=1, Resulting Numbers: [1] 1,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 89:[51, 109], Operations: ['17+63=80', '29+80=109'] Exploring Operation: 51+109=160, Resulting Numbers: [160] 160,89 unequal: No Solution Exploring Operation: 109-51=58, Resulting Numbers: [58] 58,89 unequal: No Solution Exploring Operation: 51*109=5559, Resulting Numbers: [5559] 5559,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[51, 51], Operations: ['17+63=80', '80-29=51'] Exploring Operation: 51*51=2601, Resulting Numbers: [2601] 2601,89 unequal: No Solution Exploring Operation: 51-51=0, Resulting Numbers: [0] 0,89 unequal: No Solution Exploring Operation: 51+51=102, Resulting Numbers: [102] 102,89 unequal: No Solution Exploring Operation: 51/51=1, Resulting Numbers: [1] 1,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 89:[80, 22], Operations: ['17+63=80', '51-29=22'] Exploring Operation: 80+22=102, Resulting Numbers: [102] 102,89 unequal: No Solution Exploring Operation: 80*22=1760, Resulting Numbers: [1760] 1760,89 unequal: No Solution Exploring Operation: 80-22=58, Resulting Numbers: [58] 58,89 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: 89:[29, 63, 68], Operations: ['17+51=68'] Exploring Operation: 63-29=34, Resulting Numbers: [68, 34] Generated Node #0,2,0: 89:[68, 34] Operation: 63-29=34 Exploring Operation: 29+63=92, Resulting Numbers: [68, 92] Generated Node #0,2,1: 89:[68, 92] Operation: 29+63=92 Exploring Operation: 68-29=39, Resulting Numbers: [63, 39] Generated Node #0,2,2: 89:[63, 39] Operation: 68-29=39 Exploring Operation: 29+68=97, Resulting Numbers: [63, 97] Generated Node #0,2,3: 89:[63, 97] Operation: 29+68=97 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 89:[68, 92], Operations: ['17+51=68', '29+63=92'] Exploring Operation: 68*92=6256, Resulting Numbers: [6256] 6256,89 unequal: No Solution Exploring Operation: 68+92=160, Resulting Numbers: [160] 160,89 unequal: No Solution Exploring Operation: 92-68=24, Resulting Numbers: [24] 24,89 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 #0,2,3 Current State: 89:[63, 97], Operations: ['17+51=68', '29+68=97'] Exploring Operation: 63+97=160, Resulting Numbers: [160] 160,89 unequal: No Solution Exploring Operation: 63*97=6111, Resulting Numbers: [6111] 6111,89 unequal: No Solution Exploring Operation: 97-63=34, Resulting Numbers: [34] 34,89 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:[68, 34], Operations: ['17+51=68', '63-29=34'] Exploring Operation: 68/34=2, Resulting Numbers: [2] 2,89 unequal: No Solution Exploring Operation: 68*34=2312, Resulting Numbers: [2312] 2312,89 unequal: No Solution Exploring Operation: 68-34=34, Resulting Numbers: [34] 34,89 unequal: No Solution Exploring Operation: 68+34=102, Resulting Numbers: [102] 102,89 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 #0,2,2 Current State: 89:[63, 39], Operations: ['17+51=68', '68-29=39'] Exploring Operation: 63-39=24, Resulting Numbers: [24] 24,89 unequal: No Solution Exploring Operation: 63*39=2457, Resulting Numbers: [2457] 2457,89 unequal: No Solution Exploring Operation: 63+39=102, Resulting Numbers: [102] 102,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 89:[17, 63, 80], Operations: ['51+29=80'] Exploring Operation: 17+63=80, Resulting Numbers: [80, 80] Generated Node #0,1,0: 89:[80, 80] Operation: 17+63=80 Exploring Operation: 63-17=46, Resulting Numbers: [80, 46] Generated Node #0,1,1: 89:[80, 46] Operation: 63-17=46 Exploring Operation: 80-17=63, Resulting Numbers: [63, 63] Generated Node #0,1,2: 89:[63, 63] Operation: 80-17=63 Exploring Operation: 17+80=97, Resulting Numbers: [63, 97] Generated Node #0,1,3: 89:[63, 97] Operation: 17+80=97 Moving to Node #0,3 Current State: 89:[51, 63, 46], Operations: ['17+29=46'] Exploring Operation: 63+46=109, Resulting Numbers: [51, 109] Generated Node #0,3,0: 89:[51, 109] Operation: 63+46=109 Exploring Operation: 51-46=5, Resulting Numbers: [63, 5] Generated Node #0,3,1: 89:[63, 5] Operation: 51-46=5 Exploring Operation: 51+46=97, Resulting Numbers: [63, 97] Generated Node #0,3,2: 89:[63, 97] Operation: 51+46=97 Exploring Operation: 51+63=114, Resulting Numbers: [46, 114] Generated Node #0,3,3: 89:[46, 114] Operation: 51+63=114 Moving to Node #0,1,0 Current State: 89:[80, 80], Operations: ['51+29=80', '17+63=80'] Exploring Operation: 80*80=6400, Resulting Numbers: [6400] 6400,89 unequal: No Solution Exploring Operation: 80+80=160, Resulting Numbers: [160] 160,89 unequal: No Solution Exploring Operation: 80-80=0, Resulting Numbers: [0] 0,89 unequal: No Solution Exploring Operation: 80/80=1, Resulting Numbers: [1] 1,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[63, 97], Operations: ['51+29=80', '17+80=97'] Exploring Operation: 63*97=6111, Resulting Numbers: [6111] 6111,89 unequal: No Solution Exploring Operation: 63+97=160, Resulting Numbers: [160] 160,89 unequal: No Solution Exploring Operation: 97-63=34, Resulting Numbers: [34] 34,89 unequal: No Solution Moving to Node #0,3,2 Current State: 89:[63, 97], Operations: ['17+29=46', '51+46=97'] Exploring Operation: 63+97=160, Resulting Numbers: [160] 160,89 unequal: No Solution Exploring Operation: 97-63=34, Resulting Numbers: [34] 34,89 unequal: No Solution Exploring Operation: 63*97=6111, Resulting Numbers: [6111] 6111,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[80, 46], Operations: ['51+29=80', '63-17=46'] Exploring Operation: 80*46=3680, Resulting Numbers: [3680] 3680,89 unequal: No Solution Exploring Operation: 80+46=126, Resulting Numbers: [126] 126,89 unequal: No Solution Exploring Operation: 80-46=34, Resulting Numbers: [34] 34,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[63, 63], Operations: ['51+29=80', '80-17=63'] Exploring Operation: 63+63=126, Resulting Numbers: [126] 126,89 unequal: No Solution Exploring Operation: 63-63=0, Resulting Numbers: [0] 0,89 unequal: No Solution Exploring Operation: 63*63=3969, Resulting Numbers: [3969] 3969,89 unequal: No Solution Exploring Operation: 63/63=1, Resulting Numbers: [1] 1,89 unequal: No Solution Moving to Node #0,3,0 Current State: 89:[51, 109], Operations: ['17+29=46', '63+46=109'] Exploring Operation: 109-51=58, Resulting Numbers: [58] 58,89 unequal: No Solution Exploring Operation: 51+109=160, Resulting Numbers: [160] 160,89 unequal: No Solution Exploring Operation: 51*109=5559, Resulting Numbers: [5559] 5559,89 unequal: No Solution Moving to Node #0,3,3 Current State: 89:[46, 114], Operations: ['17+29=46', '51+63=114'] Exploring Operation: 46+114=160, Resulting Numbers: [160] 160,89 unequal: No Solution Exploring Operation: 46*114=5244, Resulting Numbers: [5244] 5244,89 unequal: No Solution Exploring Operation: 114-46=68, Resulting Numbers: [68] 68,89 unequal: No Solution Moving to Node #0,3,1 Current State: 89:[63, 5], Operations: ['17+29=46', '51-46=5'] Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,89 unequal: No Solution Exploring Operation: 63*5=315, Resulting Numbers: [315] 315,89 unequal: No Solution Exploring Operation: 63+5=68, Resulting Numbers: [68] 68,89 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 49, 42, 25, 83 ]
92
[ "49-42=7", "25*7=175", "175-83=92" ]
Current State: 92:[49, 42, 25, 83], Operations: [] Exploring Operation: 49-42=7, Resulting Numbers: [25, 83, 7] Generated Node #2: [25, 83, 7] from Operation: 49-42=7 Current State: 92:[25, 83, 7], Operations: ['49-42=7'] Exploring Operation: 25*7=175, Resulting Numbers: [83, 175] Generated Node #3: [83, 175] from Operation: 25*7=175 Current State: 92:[83, 175], Operations: ['49-42=7', '25*7=175'] Exploring Operation: 175-83=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[49, 42, 25, 83], Operations: [] Exploring Operation: 83-42=41, Resulting Numbers: [49, 25, 41] Generated Node #0,0: 92:[49, 25, 41] Operation: 83-42=41 Moving to Node #0,0 Current State: 92:[49, 25, 41], Operations: ['83-42=41'] Exploring Operation: 49+41=90, Resulting Numbers: [25, 90] Generated Node #0,0,0: 92:[25, 90] Operation: 49+41=90 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[25, 90], Operations: ['83-42=41', '49+41=90'] Exploring Operation: 90-25=65, Resulting Numbers: [65] 65,92 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
[ 49, 3, 76, 98 ]
68
[ "49-3=46", "98-76=22", "46+22=68" ]
Current State: 68:[49, 3, 76, 98], Operations: [] Exploring Operation: 49-3=46, Resulting Numbers: [76, 98, 46] Generated Node #2: [76, 98, 46] from Operation: 49-3=46 Current State: 68:[76, 98, 46], Operations: ['49-3=46'] Exploring Operation: 98-76=22, Resulting Numbers: [46, 22] Generated Node #3: [46, 22] from Operation: 98-76=22 Current State: 68:[46, 22], Operations: ['49-3=46', '98-76=22'] Exploring Operation: 46+22=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[49, 3, 76, 98], Operations: [] Exploring Operation: 98/49=2, Resulting Numbers: [3, 76, 2] Generated Node #0,0: 68:[3, 76, 2] Operation: 98/49=2 Exploring Operation: 98-76=22, Resulting Numbers: [49, 3, 22] Generated Node #0,1: 68:[49, 3, 22] Operation: 98-76=22 Exploring Operation: 49-3=46, Resulting Numbers: [76, 98, 46] Generated Node #0,2: 68:[76, 98, 46] Operation: 49-3=46 Exploring Operation: 98-49=49, Resulting Numbers: [3, 76, 49] Generated Node #0,3: 68:[3, 76, 49] Operation: 98-49=49 Exploring Operation: 76-49=27, Resulting Numbers: [3, 98, 27] Generated Node #0,4: 68:[3, 98, 27] Operation: 76-49=27 Moving to Node #0,0 Current State: 68:[3, 76, 2], Operations: ['98/49=2'] Exploring Operation: 76-2=74, Resulting Numbers: [3, 74] Generated Node #0,0,0: 68:[3, 74] Operation: 76-2=74 Exploring Operation: 76/2=38, Resulting Numbers: [3, 38] Generated Node #0,0,1: 68:[3, 38] Operation: 76/2=38 Exploring Operation: 3+2=5, Resulting Numbers: [76, 5] Generated Node #0,0,2: 68:[76, 5] Operation: 3+2=5 Exploring Operation: 3-2=1, Resulting Numbers: [76, 1] Generated Node #0,0,3: 68:[76, 1] Operation: 3-2=1 Exploring Operation: 76-3=73, Resulting Numbers: [2, 73] Generated Node #0,0,4: 68:[2, 73] Operation: 76-3=73 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 68:[3, 38], Operations: ['98/49=2', '76/2=38'] Exploring Operation: 3+38=41, Resulting Numbers: [41] 41,68 unequal: No Solution Exploring Operation: 3*38=114, Resulting Numbers: [114] 114,68 unequal: No Solution Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,68 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:[2, 73], Operations: ['98/49=2', '76-3=73'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,68 unequal: No Solution Exploring Operation: 2*73=146, Resulting Numbers: [146] 146,68 unequal: No Solution Exploring Operation: 2+73=75, Resulting Numbers: [75] 75,68 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:[3, 74], Operations: ['98/49=2', '76-2=74'] Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,68 unequal: No Solution Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,68 unequal: No Solution Exploring Operation: 3*74=222, Resulting Numbers: [222] 222,68 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:[76, 5], Operations: ['98/49=2', '3+2=5'] Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,68 unequal: No Solution Exploring Operation: 76+5=81, Resulting Numbers: [81] 81,68 unequal: No Solution Exploring Operation: 76*5=380, Resulting Numbers: [380] 380,68 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:[76, 1], Operations: ['98/49=2', '3-2=1'] Exploring Operation: 76*1=76, Resulting Numbers: [76] 76,68 unequal: No Solution Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,68 unequal: No Solution Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,68 unequal: No Solution Exploring Operation: 76+1=77, Resulting Numbers: [77] 77,68 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:[49, 3, 22], Operations: ['98-76=22'] Exploring Operation: 22-3=19, Resulting Numbers: [49, 19] Generated Node #0,1,0: 68:[49, 19] Operation: 22-3=19 Exploring Operation: 49-22=27, Resulting Numbers: [3, 27] Generated Node #0,1,1: 68:[3, 27] Operation: 49-22=27 Exploring Operation: 49+22=71, Resulting Numbers: [3, 71] Generated Node #0,1,2: 68:[3, 71] Operation: 49+22=71 Exploring Operation: 3*22=66, Resulting Numbers: [49, 66] Generated Node #0,1,3: 68:[49, 66] Operation: 3*22=66 Exploring Operation: 49-3=46, Resulting Numbers: [22, 46] Generated Node #0,1,4: 68:[22, 46] Operation: 49-3=46 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 68:[3, 71], Operations: ['98-76=22', '49+22=71'] Exploring Operation: 3*71=213, Resulting Numbers: [213] 213,68 unequal: No Solution Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[49, 3, 76, 98], Operations: [] Exploring Operation: 98-76=22, Resulting Numbers: [49, 3, 22] Generated Node #0,1: 68:[49, 3, 22] Operation: 98-76=22 Moving to Node #0,1 Current State: 68:[49, 3, 22], Operations: ['98-76=22'] Exploring Operation: 49+22=71, Resulting Numbers: [3, 71] Generated Node #0,1,2: 68:[3, 71] Operation: 49+22=71 Moving to Node #0,1,2 Current State: 68:[3, 71], Operations: ['98-76=22', '49+22=71'] Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 56, 13, 11, 23 ]
33
[ "56+13=69", "11*69=759", "759/23=33" ]
Current State: 33:[56, 13, 11, 23], Operations: [] Exploring Operation: 56+13=69, Resulting Numbers: [11, 23, 69] Generated Node #2: [11, 23, 69] from Operation: 56+13=69 Current State: 33:[11, 23, 69], Operations: ['56+13=69'] Exploring Operation: 11*69=759, Resulting Numbers: [23, 759] Generated Node #3: [23, 759] from Operation: 11*69=759 Current State: 33:[23, 759], Operations: ['56+13=69', '11*69=759'] Exploring Operation: 759/23=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[56, 13, 11, 23], Operations: [] Exploring Operation: 56-11=45, Resulting Numbers: [13, 23, 45] Generated Node #0,0: 33:[13, 23, 45] Operation: 56-11=45 Exploring Operation: 56-23=33, Resulting Numbers: [13, 11, 33] Generated Node #0,1: 33:[13, 11, 33] Operation: 56-23=33 Exploring Operation: 56-13=43, Resulting Numbers: [11, 23, 43] Generated Node #0,2: 33:[11, 23, 43] Operation: 56-13=43 Moving to Node #0,1 Current State: 33:[13, 11, 33], Operations: ['56-23=33'] Exploring Operation: 13+11=24, Resulting Numbers: [33, 24] Generated Node #0,1,0: 33:[33, 24] Operation: 13+11=24 Exploring Operation: 13-11=2, Resulting Numbers: [33, 2] Generated Node #0,1,1: 33:[33, 2] Operation: 13-11=2 Exploring Operation: 33/11=3, Resulting Numbers: [13, 3] Generated Node #0,1,2: 33:[13, 3] Operation: 33/11=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 33:[33, 2], Operations: ['56-23=33', '13-11=2'] Exploring Operation: 33+2=35, Resulting Numbers: [35] 35,33 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,33 unequal: No Solution Exploring Operation: 33*2=66, Resulting Numbers: [66] 66,33 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 #0,1,2 Current State: 33:[13, 3], Operations: ['56-23=33', '33/11=3'] Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,33 unequal: No Solution Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,33 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,33 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:[33, 24], Operations: ['56-23=33', '13+11=24'] Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,33 unequal: No Solution Exploring Operation: 33+24=57, Resulting Numbers: [57] 57,33 unequal: No Solution Exploring Operation: 33*24=792, Resulting Numbers: [792] 792,33 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:[11, 23, 43], Operations: ['56-13=43'] Exploring Operation: 43-23=20, Resulting Numbers: [11, 20] Generated Node #0,2,0: 33:[11, 20] Operation: 43-23=20 Exploring Operation: 11+23=34, Resulting Numbers: [43, 34] Generated Node #0,2,1: 33:[43, 34] Operation: 11+23=34 Exploring Operation: 23-11=12, Resulting Numbers: [43, 12] Generated Node #0,2,2: 33:[43, 12] Operation: 23-11=12 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 33:[11, 20], Operations: ['56-13=43', '43-23=20'] Exploring Operation: 11*20=220, Resulting Numbers: [220] 220,33 unequal: No Solution Exploring Operation: 11+20=31, Resulting Numbers: [31] 31,33 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,33 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:[43, 34], Operations: ['56-13=43', '11+23=34'] Exploring Operation: 43+34=77, Resulting Numbers: [77] 77,33 unequal: No Solution Exploring Operation: 43*34=1462, Resulting Numbers: [1462] 1462,33 unequal: No Solution Exploring Operation: 43-34=9, Resulting Numbers: [9] 9,33 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:[43, 12], Operations: ['56-13=43', '23-11=12'] Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,33 unequal: No Solution Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,33 unequal: No Solution Exploring Operation: 43*12=516, Resulting Numbers: [516] 516,33 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:[13, 23, 45], Operations: ['56-11=45'] Exploring Operation: 23-13=10, Resulting Numbers: [45, 10] Generated Node #0,0,0: 33:[45, 10] Operation: 23-13=10 Exploring Operation: 45-13=32, Resulting Numbers: [23, 32] Generated Node #0,0,1: 33:[23, 32] Operation: 45-13=32 Exploring Operation: 45-23=22, Resulting Numbers: [13, 22] Generated Node #0,0,2: 33:[13, 22] Operation: 45-23=22 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 33:[23, 32], Operations: ['56-11=45', '45-13=32'] Exploring Operation: 23*32=736, Resulting Numbers: [736] 736,33 unequal: No Solution Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,33 unequal: No Solution Exploring Operation: 23+32=55, Resulting Numbers: [55] 55,33 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:[45, 10], Operations: ['56-11=45', '23-13=10'] Exploring Operation: 45+10=55, Resulting Numbers: [55] 55,33 unequal: No Solution Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,33 unequal: No Solution Exploring Operation: 45*10=450, Resulting Numbers: [450] 450,33 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 #0,0,2 Current State: 33:[13, 22], Operations: ['56-11=45', '45-23=22'] Exploring Operation: 13*22=286, Resulting Numbers: [286] 286,33 unequal: No Solution Exploring Operation: 13+22=35, Resulting Numbers: [35] 35,33 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,33 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
[ 4, 10, 70, 38 ]
25
[ "10*38=380", "380/4=95", "95-70=25" ]
Current State: 25:[4, 10, 70, 38], Operations: [] Exploring Operation: 10*38=380, Resulting Numbers: [4, 70, 380] Generated Node #2: [4, 70, 380] from Operation: 10*38=380 Current State: 25:[4, 70, 380], Operations: ['10*38=380'] Exploring Operation: 380/4=95, Resulting Numbers: [70, 95] Generated Node #3: [70, 95] from Operation: 380/4=95 Current State: 25:[70, 95], Operations: ['10*38=380', '380/4=95'] Exploring Operation: 95-70=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[4, 10, 70, 38], Operations: [] Exploring Operation: 70/10=7, Resulting Numbers: [4, 38, 7] Generated Node #0,0: 25:[4, 38, 7] Operation: 70/10=7 Exploring Operation: 70-38=32, Resulting Numbers: [4, 10, 32] Generated Node #0,1: 25:[4, 10, 32] Operation: 70-38=32 Moving to Node #0,1 Current State: 25:[4, 10, 32], Operations: ['70-38=32'] Exploring Operation: 32-10=22, Resulting Numbers: [4, 22] Generated Node #0,1,0: 25:[4, 22] Operation: 32-10=22 Exploring Operation: 10-4=6, Resulting Numbers: [32, 6] Generated Node #0,1,1: 25:[32, 6] Operation: 10-4=6 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[4, 22], Operations: ['70-38=32', '32-10=22'] Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[32, 6], Operations: ['70-38=32', '10-4=6'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 32+6=38, Resulting Numbers: [38] 38,25 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: 25:[4, 38, 7], Operations: ['70/10=7'] Exploring Operation: 38-7=31, Resulting Numbers: [4, 31] Generated Node #0,0,0: 25:[4, 31] Operation: 38-7=31 Exploring Operation: 38-4=34, Resulting Numbers: [7, 34] Generated Node #0,0,1: 25:[7, 34] Operation: 38-4=34 Moving to Node #0,0,0 Current State: 25:[4, 31], Operations: ['70/10=7', '38-7=31'] Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,25 unequal: No Solution Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[7, 34], Operations: ['70/10=7', '38-4=34'] Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,25 unequal: No Solution Exploring Operation: 7+34=41, Resulting Numbers: [41] 41,25 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 5, 84, 15, 96 ]
63
[ "5*15=75", "96-84=12", "75-12=63" ]
Current State: 63:[5, 84, 15, 96], Operations: [] Exploring Operation: 5*15=75, Resulting Numbers: [84, 96, 75] Generated Node #2: [84, 96, 75] from Operation: 5*15=75 Current State: 63:[84, 96, 75], Operations: ['5*15=75'] Exploring Operation: 96-84=12, Resulting Numbers: [75, 12] Generated Node #3: [75, 12] from Operation: 96-84=12 Current State: 63:[75, 12], Operations: ['5*15=75', '96-84=12'] Exploring Operation: 75-12=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[5, 84, 15, 96], Operations: [] Exploring Operation: 96-15=81, Resulting Numbers: [5, 84, 81] Generated Node #0,0: 63:[5, 84, 81] Operation: 96-15=81 Exploring Operation: 84-15=69, Resulting Numbers: [5, 96, 69] Generated Node #0,1: 63:[5, 96, 69] Operation: 84-15=69 Exploring Operation: 96-84=12, Resulting Numbers: [5, 15, 12] Generated Node #0,2: 63:[5, 15, 12] Operation: 96-84=12 Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[5, 15, 12], Operations: ['96-84=12'] Exploring Operation: 15/5=3, Resulting Numbers: [12, 3] Generated Node #0,2,0: 63:[12, 3] Operation: 15/5=3 Exploring Operation: 15-12=3, Resulting Numbers: [5, 3] Generated Node #0,2,1: 63:[5, 3] Operation: 15-12=3 Exploring Operation: 5+15=20, Resulting Numbers: [12, 20] Generated Node #0,2,2: 63:[12, 20] Operation: 5+15=20 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 63:[5, 3], Operations: ['96-84=12', '15-12=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,63 unequal: No Solution Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 63:[12, 3], Operations: ['96-84=12', '15/5=3'] Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 63:[12, 20], Operations: ['96-84=12', '5+15=20'] Exploring Operation: 12*20=240, Resulting Numbers: [240] 240,63 unequal: No Solution Exploring Operation: 12+20=32, Resulting Numbers: [32] 32,63 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[5, 84, 81], Operations: ['96-15=81'] Exploring Operation: 81-5=76, Resulting Numbers: [84, 76] Generated Node #0,0,0: 63:[84, 76] Operation: 81-5=76 Exploring Operation: 84-5=79, Resulting Numbers: [81, 79] Generated Node #0,0,1: 63:[81, 79] Operation: 84-5=79 Exploring Operation: 84-81=3, Resulting Numbers: [5, 3] Generated Node #0,0,2: 63:[5, 3] Operation: 84-81=3 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 63:[5, 3], Operations: ['96-15=81', '84-81=3'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 63:[84, 76], Operations: ['96-15=81', '81-5=76'] Exploring Operation: 84-76=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 84*76=6384, Resulting Numbers: [6384] 6384,63 unequal: No Solution Exploring Operation: 84+76=160, Resulting Numbers: [160] 160,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 63:[81, 79], Operations: ['96-15=81', '84-5=79'] Exploring Operation: 81-79=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 81+79=160, Resulting Numbers: [160] 160,63 unequal: No Solution Exploring Operation: 81*79=6399, Resulting Numbers: [6399] 6399,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[5, 96, 69], Operations: ['84-15=69'] Exploring Operation: 96-5=91, Resulting Numbers: [69, 91] Generated Node #0,1,0: 63:[69, 91] Operation: 96-5=91 Exploring Operation: 69-5=64, Resulting Numbers: [96, 64] Generated Node #0,1,1: 63:[96, 64] Operation: 69-5=64 Exploring Operation: 96-69=27, Resulting Numbers: [5, 27] Generated Node #0,1,2: 63:[5, 27] Operation: 96-69=27 Moving to Node #0,1,2 Current State: 63:[5, 27], Operations: ['84-15=69', '96-69=27'] Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,63 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,63 unequal: No Solution Exploring Operation: 5*27=135, Resulting Numbers: [135] 135,63 unequal: No Solution Moving to Node #0,1,0 Current State: 63:[69, 91], Operations: ['84-15=69', '96-5=91'] Exploring Operation: 69+91=160, Resulting Numbers: [160] 160,63 unequal: No Solution Exploring Operation: 91-69=22, Resulting Numbers: [22] 22,63 unequal: No Solution Exploring Operation: 69*91=6279, Resulting Numbers: [6279] 6279,63 unequal: No Solution Moving to Node #0,1,1 Current State: 63:[96, 64], Operations: ['84-15=69', '69-5=64'] Exploring Operation: 96-64=32, Resulting Numbers: [32] 32,63 unequal: No Solution Exploring Operation: 96*64=6144, Resulting Numbers: [6144] 6144,63 unequal: No Solution Exploring Operation: 96+64=160, Resulting Numbers: [160] 160,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 87, 3, 73, 77 ]
86
[ "87+3=90", "77-73=4", "90-4=86" ]
Current State: 86:[87, 3, 73, 77], Operations: [] Exploring Operation: 87+3=90, Resulting Numbers: [73, 77, 90] Generated Node #2: [73, 77, 90] from Operation: 87+3=90 Current State: 86:[73, 77, 90], Operations: ['87+3=90'] Exploring Operation: 77-73=4, Resulting Numbers: [90, 4] Generated Node #3: [90, 4] from Operation: 77-73=4 Current State: 86:[90, 4], Operations: ['87+3=90', '77-73=4'] Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[87, 3, 73, 77], Operations: [] Exploring Operation: 77-73=4, Resulting Numbers: [87, 3, 4] Generated Node #0,0: 86:[87, 3, 4] Operation: 77-73=4 Exploring Operation: 3+73=76, Resulting Numbers: [87, 77, 76] Generated Node #0,1: 86:[87, 77, 76] Operation: 3+73=76 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[87, 3, 4], Operations: ['77-73=4'] Exploring Operation: 87-3=84, Resulting Numbers: [4, 84] Generated Node #0,0,0: 86:[4, 84] Operation: 87-3=84 Exploring Operation: 4-3=1, Resulting Numbers: [87, 1] Generated Node #0,0,1: 86:[87, 1] Operation: 4-3=1 Moving to Node #0,0,1 Current State: 86:[87, 1], Operations: ['77-73=4', '4-3=1'] Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[87, 3, 73, 77], Operations: [] Exploring Operation: 77-73=4, Resulting Numbers: [87, 3, 4] Generated Node #0,0: 86:[87, 3, 4] Operation: 77-73=4 Moving to Node #0,0 Current State: 86:[87, 3, 4], Operations: ['77-73=4'] Exploring Operation: 4-3=1, Resulting Numbers: [87, 1] Generated Node #0,0,1: 86:[87, 1] Operation: 4-3=1 Moving to Node #0,0,1 Current State: 86:[87, 1], Operations: ['77-73=4', '4-3=1'] Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 4, 39, 5, 75 ]
99
[ "4*75=300", "300/5=60", "39+60=99" ]
Current State: 99:[4, 39, 5, 75], Operations: [] Exploring Operation: 4*75=300, Resulting Numbers: [39, 5, 300] Generated Node #2: [39, 5, 300] from Operation: 4*75=300 Current State: 99:[39, 5, 300], Operations: ['4*75=300'] Exploring Operation: 300/5=60, Resulting Numbers: [39, 60] Generated Node #3: [39, 60] from Operation: 300/5=60 Current State: 99:[39, 60], Operations: ['4*75=300', '300/5=60'] Exploring Operation: 39+60=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[4, 39, 5, 75], Operations: [] Exploring Operation: 75-39=36, Resulting Numbers: [4, 5, 36] Generated Node #0,0: 99:[4, 5, 36] Operation: 75-39=36 Exploring Operation: 39+75=114, Resulting Numbers: [4, 5, 114] Generated Node #0,1: 99:[4, 5, 114] Operation: 39+75=114 Exploring Operation: 75/5=15, Resulting Numbers: [4, 39, 15] Generated Node #0,2: 99:[4, 39, 15] Operation: 75/5=15 Moving to Node #0,0 Current State: 99:[4, 5, 36], Operations: ['75-39=36'] Exploring Operation: 36/4=9, Resulting Numbers: [5, 9] Generated Node #0,0,0: 99:[5, 9] Operation: 36/4=9 Exploring Operation: 36-4=32, Resulting Numbers: [5, 32] Generated Node #0,0,1: 99:[5, 32] Operation: 36-4=32 Exploring Operation: 4+5=9, Resulting Numbers: [36, 9] Generated Node #0,0,2: 99:[36, 9] Operation: 4+5=9 Moving to Node #0,2 Current State: 99:[4, 39, 15], Operations: ['75/5=15'] Exploring Operation: 39-15=24, Resulting Numbers: [4, 24] Generated Node #0,2,0: 99:[4, 24] Operation: 39-15=24 Exploring Operation: 39-4=35, Resulting Numbers: [15, 35] Generated Node #0,2,1: 99:[15, 35] Operation: 39-4=35 Exploring Operation: 15-4=11, Resulting Numbers: [39, 11] Generated Node #0,2,2: 99:[39, 11] Operation: 15-4=11 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 99:[15, 35], Operations: ['75/5=15', '39-4=35'] Exploring Operation: 15+35=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 15*35=525, Resulting Numbers: [525] 525,99 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,99 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:[39, 11], Operations: ['75/5=15', '15-4=11'] Exploring Operation: 39*11=429, Resulting Numbers: [429] 429,99 unequal: No Solution Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,99 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:[4, 24], Operations: ['75/5=15', '39-15=24'] Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,99 unequal: No Solution Exploring Operation: 4*24=96, Resulting Numbers: [96] 96,99 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 99:[4, 5, 114], Operations: ['39+75=114'] Exploring Operation: 114-5=109, Resulting Numbers: [4, 109] Generated Node #0,1,0: 99:[4, 109] Operation: 114-5=109 Exploring Operation: 4+5=9, Resulting Numbers: [114, 9] Generated Node #0,1,1: 99:[114, 9] Operation: 4+5=9 Exploring Operation: 114-4=110, Resulting Numbers: [5, 110] Generated Node #0,1,2: 99:[5, 110] Operation: 114-4=110 Moving to Node #0,0,0 Current State: 99:[5, 9], Operations: ['75-39=36', '36/4=9'] Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,99 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,99 unequal: No Solution Moving to Node #0,0,2 Current State: 99:[36, 9], Operations: ['75-39=36', '4+5=9'] Exploring Operation: 36+9=45, Resulting Numbers: [45] 45,99 unequal: No Solution Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[5, 32], Operations: ['75-39=36', '36-4=32'] Exploring Operation: 5*32=160, Resulting Numbers: [160] 160,99 unequal: No Solution Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,99 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,99 unequal: No Solution Moving to Node #0,1,0 Current State: 99:[4, 109], Operations: ['39+75=114', '114-5=109'] Exploring Operation: 109-4=105, Resulting Numbers: [105] 105,99 unequal: No Solution Exploring Operation: 4*109=436, Resulting Numbers: [436] 436,99 unequal: No Solution Exploring Operation: 4+109=113, Resulting Numbers: [113] 113,99 unequal: No Solution Moving to Node #0,1,2 Current State: 99:[5, 110], Operations: ['39+75=114', '114-4=110'] Exploring Operation: 110-5=105, Resulting Numbers: [105] 105,99 unequal: No Solution Exploring Operation: 5+110=115, Resulting Numbers: [115] 115,99 unequal: No Solution Exploring Operation: 110/5=22, Resulting Numbers: [22] 22,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[114, 9], Operations: ['39+75=114', '4+5=9'] Exploring Operation: 114-9=105, Resulting Numbers: [105] 105,99 unequal: No Solution Exploring Operation: 114+9=123, Resulting Numbers: [123] 123,99 unequal: No Solution Exploring Operation: 114*9=1026, Resulting Numbers: [1026] 1026,99 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 77, 65, 30, 97 ]
75
[ "77+65=142", "97-30=67", "142-67=75" ]
Current State: 75:[77, 65, 30, 97], Operations: [] Exploring Operation: 77+65=142, Resulting Numbers: [30, 97, 142] Generated Node #2: [30, 97, 142] from Operation: 77+65=142 Current State: 75:[30, 97, 142], Operations: ['77+65=142'] Exploring Operation: 97-30=67, Resulting Numbers: [142, 67] Generated Node #3: [142, 67] from Operation: 97-30=67 Current State: 75:[142, 67], Operations: ['77+65=142', '97-30=67'] Exploring Operation: 142-67=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[77, 65, 30, 97], Operations: [] Exploring Operation: 97-65=32, Resulting Numbers: [77, 30, 32] Generated Node #0,0: 75:[77, 30, 32] Operation: 97-65=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[77, 30, 32], Operations: ['97-65=32'] Exploring Operation: 32-30=2, Resulting Numbers: [77, 2] Generated Node #0,0,0: 75:[77, 2] Operation: 32-30=2 Moving to Node #0,0,0 Current State: 75:[77, 2], Operations: ['97-65=32', '32-30=2'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[77, 65, 30, 97], Operations: [] Exploring Operation: 97-65=32, Resulting Numbers: [77, 30, 32] Generated Node #0,0: 75:[77, 30, 32] Operation: 97-65=32 Moving to Node #0,0 Current State: 75:[77, 30, 32], Operations: ['97-65=32'] Exploring Operation: 32-30=2, Resulting Numbers: [77, 2] Generated Node #0,0,0: 75:[77, 2] Operation: 32-30=2 Moving to Node #0,0,0 Current State: 75:[77, 2], Operations: ['97-65=32', '32-30=2'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 58, 12, 93, 23 ]
91
[ "58-12=46", "46/23=2", "93-2=91" ]
Current State: 91:[58, 12, 93, 23], Operations: [] Exploring Operation: 58-12=46, Resulting Numbers: [93, 23, 46] Generated Node #2: [93, 23, 46] from Operation: 58-12=46 Current State: 91:[93, 23, 46], Operations: ['58-12=46'] Exploring Operation: 46/23=2, Resulting Numbers: [93, 2] Generated Node #3: [93, 2] from Operation: 46/23=2 Current State: 91:[93, 2], Operations: ['58-12=46', '46/23=2'] Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[58, 12, 93, 23], Operations: [] Exploring Operation: 93-58=35, Resulting Numbers: [12, 23, 35] Generated Node #0,0: 91:[12, 23, 35] Operation: 93-58=35 Exploring Operation: 58+12=70, Resulting Numbers: [93, 23, 70] Generated Node #0,1: 91:[93, 23, 70] Operation: 58+12=70 Exploring Operation: 58+23=81, Resulting Numbers: [12, 93, 81] Generated Node #0,2: 91:[12, 93, 81] Operation: 58+23=81 Exploring Operation: 58-23=35, Resulting Numbers: [12, 93, 35] Generated Node #0,3: 91:[12, 93, 35] Operation: 58-23=35 Exploring Operation: 23-12=11, Resulting Numbers: [58, 93, 11] Generated Node #0,4: 91:[58, 93, 11] Operation: 23-12=11 Moving to Node #0,2 Current State: 91:[12, 93, 81], Operations: ['58+23=81'] Exploring Operation: 12+81=93, Resulting Numbers: [93, 93] Generated Node #0,2,0: 91:[93, 93] Operation: 12+81=93 Exploring Operation: 12+93=105, Resulting Numbers: [81, 105] Generated Node #0,2,1: 91:[81, 105] Operation: 12+93=105 Exploring Operation: 93-12=81, Resulting Numbers: [81, 81] Generated Node #0,2,2: 91:[81, 81] Operation: 93-12=81 Exploring Operation: 93-81=12, Resulting Numbers: [12, 12] Generated Node #0,2,3: 91:[12, 12] Operation: 93-81=12 Exploring Operation: 81-12=69, Resulting Numbers: [93, 69] Generated Node #0,2,4: 91:[93, 69] Operation: 81-12=69 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 91:[12, 12], Operations: ['58+23=81', '93-81=12'] Exploring Operation: 12*12=144, Resulting Numbers: [144] 144,91 unequal: No Solution Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 12-12=0, Resulting Numbers: [0] 0,91 unequal: No Solution Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[93, 93], Operations: ['58+23=81', '12+81=93'] Exploring Operation: 93/93=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 93*93=8649, Resulting Numbers: [8649] 8649,91 unequal: No Solution Exploring Operation: 93+93=186, Resulting Numbers: [186] 186,91 unequal: No Solution Exploring Operation: 93-93=0, Resulting Numbers: [0] 0,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 91:[81, 81], Operations: ['58+23=81', '93-12=81'] Exploring Operation: 81*81=6561, Resulting Numbers: [6561] 6561,91 unequal: No Solution Exploring Operation: 81+81=162, Resulting Numbers: [162] 162,91 unequal: No Solution Exploring Operation: 81/81=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 81-81=0, Resulting Numbers: [0] 0,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[81, 105], Operations: ['58+23=81', '12+93=105'] Exploring Operation: 105-81=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 81*105=8505, Resulting Numbers: [8505] 8505,91 unequal: No Solution Exploring Operation: 81+105=186, Resulting Numbers: [186] 186,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 91:[93, 69], Operations: ['58+23=81', '81-12=69'] Exploring Operation: 93*69=6417, Resulting Numbers: [6417] 6417,91 unequal: No Solution Exploring Operation: 93+69=162, Resulting Numbers: [162] 162,91 unequal: No Solution Exploring Operation: 93-69=24, Resulting Numbers: [24] 24,91 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: 91:[12, 93, 35], Operations: ['58-23=35'] Exploring Operation: 93-35=58, Resulting Numbers: [12, 58] Generated Node #0,3,0: 91:[12, 58] Operation: 93-35=58 Exploring Operation: 35-12=23, Resulting Numbers: [93, 23] Generated Node #0,3,1: 91:[93, 23] Operation: 35-12=23 Exploring Operation: 12+35=47, Resulting Numbers: [93, 47] Generated Node #0,3,2: 91:[93, 47] Operation: 12+35=47 Exploring Operation: 93-12=81, Resulting Numbers: [35, 81] Generated Node #0,3,3: 91:[35, 81] Operation: 93-12=81 Exploring Operation: 12+93=105, Resulting Numbers: [35, 105] Generated Node #0,3,4: 91:[35, 105] Operation: 12+93=105 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 91:[93, 23], Operations: ['58-23=35', '35-12=23'] Exploring Operation: 93*23=2139, Resulting Numbers: [2139] 2139,91 unequal: No Solution Exploring Operation: 93-23=70, Resulting Numbers: [70] 70,91 unequal: No Solution Exploring Operation: 93+23=116, Resulting Numbers: [116] 116,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 91:[35, 81], Operations: ['58-23=35', '93-12=81'] Exploring Operation: 35+81=116, Resulting Numbers: [116] 116,91 unequal: No Solution Exploring Operation: 81-35=46, Resulting Numbers: [46] 46,91 unequal: No Solution Exploring Operation: 35*81=2835, Resulting Numbers: [2835] 2835,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 91:[12, 58], Operations: ['58-23=35', '93-35=58'] Exploring Operation: 12*58=696, Resulting Numbers: [696] 696,91 unequal: No Solution Exploring Operation: 12+58=70, Resulting Numbers: [70] 70,91 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 91:[93, 47], Operations: ['58-23=35', '12+35=47'] Exploring Operation: 93*47=4371, Resulting Numbers: [4371] 4371,91 unequal: No Solution Exploring Operation: 93+47=140, Resulting Numbers: [140] 140,91 unequal: No Solution Exploring Operation: 93-47=46, Resulting Numbers: [46] 46,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 91:[35, 105], Operations: ['58-23=35', '12+93=105'] Exploring Operation: 105/35=3, Resulting Numbers: [3] 3,91 unequal: No Solution Exploring Operation: 105-35=70, Resulting Numbers: [70] 70,91 unequal: No Solution Exploring Operation: 35+105=140, Resulting Numbers: [140] 140,91 unequal: No Solution Exploring Operation: 35*105=3675, Resulting Numbers: [3675] 3675,91 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: 91:[12, 23, 35], Operations: ['93-58=35'] Exploring Operation: 23-12=11, Resulting Numbers: [35, 11] Generated Node #0,0,0: 91:[35, 11] Operation: 23-12=11 Exploring Operation: 12+23=35, Resulting Numbers: [35, 35] Generated Node #0,0,1: 91:[35, 35] Operation: 12+23=35 Exploring Operation: 35-23=12, Resulting Numbers: [12, 12] Generated Node #0,0,2: 91:[12, 12] Operation: 35-23=12 Exploring Operation: 35-12=23, Resulting Numbers: [23, 23] Generated Node #0,0,3: 91:[23, 23] Operation: 35-12=23 Exploring Operation: 23+35=58, Resulting Numbers: [12, 58] Generated Node #0,0,4: 91:[12, 58] Operation: 23+35=58 Moving to Node #0,1 Current State: 91:[93, 23, 70], Operations: ['58+12=70'] Exploring Operation: 70-23=47, Resulting Numbers: [93, 47] Generated Node #0,1,0: 91:[93, 47] Operation: 70-23=47 Exploring Operation: 93-70=23, Resulting Numbers: [23, 23] Generated Node #0,1,1: 91:[23, 23] Operation: 93-70=23 Exploring Operation: 93+23=116, Resulting Numbers: [70, 116] Generated Node #0,1,2: 91:[70, 116] Operation: 93+23=116 Exploring Operation: 23+70=93, Resulting Numbers: [93, 93] Generated Node #0,1,3: 91:[93, 93] Operation: 23+70=93 Exploring Operation: 93-23=70, Resulting Numbers: [70, 70] Generated Node #0,1,4: 91:[70, 70] Operation: 93-23=70 Moving to Node #0,4 Current State: 91:[58, 93, 11], Operations: ['23-12=11'] Exploring Operation: 93+11=104, Resulting Numbers: [58, 104] Generated Node #0,4,0: 91:[58, 104] Operation: 93+11=104 Exploring Operation: 58-11=47, Resulting Numbers: [93, 47] Generated Node #0,4,1: 91:[93, 47] Operation: 58-11=47 Exploring Operation: 93-11=82, Resulting Numbers: [58, 82] Generated Node #0,4,2: 91:[58, 82] Operation: 93-11=82 Exploring Operation: 93-58=35, Resulting Numbers: [11, 35] Generated Node #0,4,3: 91:[11, 35] Operation: 93-58=35 Exploring Operation: 58+11=69, Resulting Numbers: [93, 69] Generated Node #0,4,4: 91:[93, 69] Operation: 58+11=69 Moving to Node #0,0,2 Current State: 91:[12, 12], Operations: ['93-58=35', '35-23=12'] Exploring Operation: 12-12=0, Resulting Numbers: [0] 0,91 unequal: No Solution Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 12*12=144, Resulting Numbers: [144] 144,91 unequal: No Solution Moving to Node #0,1,3 Current State: 91:[93, 93], Operations: ['58+12=70', '23+70=93'] Exploring Operation: 93*93=8649, Resulting Numbers: [8649] 8649,91 unequal: No Solution Exploring Operation: 93/93=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 93-93=0, Resulting Numbers: [0] 0,91 unequal: No Solution Exploring Operation: 93+93=186, Resulting Numbers: [186] 186,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[23, 23], Operations: ['58+12=70', '93-70=23'] Exploring Operation: 23-23=0, Resulting Numbers: [0] 0,91 unequal: No Solution Exploring Operation: 23*23=529, Resulting Numbers: [529] 529,91 unequal: No Solution Exploring Operation: 23+23=46, Resulting Numbers: [46] 46,91 unequal: No Solution Exploring Operation: 23/23=1, Resulting Numbers: [1] 1,91 unequal: No Solution Moving to Node #0,0,3 Current State: 91:[23, 23], Operations: ['93-58=35', '35-12=23'] Exploring Operation: 23*23=529, Resulting Numbers: [529] 529,91 unequal: No Solution Exploring Operation: 23/23=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 23+23=46, Resulting Numbers: [46] 46,91 unequal: No Solution Exploring Operation: 23-23=0, Resulting Numbers: [0] 0,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[35, 11], Operations: ['93-58=35', '23-12=11'] Exploring Operation: 35+11=46, Resulting Numbers: [46] 46,91 unequal: No Solution Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 35*11=385, Resulting Numbers: [385] 385,91 unequal: No Solution Moving to Node #0,4,4 Current State: 91:[93, 69], Operations: ['23-12=11', '58+11=69'] Exploring Operation: 93+69=162, Resulting Numbers: [162] 162,91 unequal: No Solution Exploring Operation: 93-69=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 93*69=6417, Resulting Numbers: [6417] 6417,91 unequal: No Solution Moving to Node #0,4,3 Current State: 91:[11, 35], Operations: ['23-12=11', '93-58=35'] Exploring Operation: 11+35=46, Resulting Numbers: [46] 46,91 unequal: No Solution Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,91 unequal: No Solution Exploring Operation: 11*35=385, Resulting Numbers: [385] 385,91 unequal: No Solution Moving to Node #0,0,4 Current State: 91:[12, 58], Operations: ['93-58=35', '23+35=58'] Exploring Operation: 12*58=696, Resulting Numbers: [696] 696,91 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,91 unequal: No Solution Exploring Operation: 12+58=70, Resulting Numbers: [70] 70,91 unequal: No Solution Moving to Node #0,4,1 Current State: 91:[93, 47], Operations: ['23-12=11', '58-11=47'] Exploring Operation: 93-47=46, Resulting Numbers: [46] 46,91 unequal: No Solution Exploring Operation: 93*47=4371, Resulting Numbers: [4371] 4371,91 unequal: No Solution Exploring Operation: 93+47=140, Resulting Numbers: [140] 140,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[93, 47], Operations: ['58+12=70', '70-23=47'] Exploring Operation: 93-47=46, Resulting Numbers: [46] 46,91 unequal: No Solution Exploring Operation: 93+47=140, Resulting Numbers: [140] 140,91 unequal: No Solution Exploring Operation: 93*47=4371, Resulting Numbers: [4371] 4371,91 unequal: No Solution Moving to Node #0,4,2 Current State: 91:[58, 82], Operations: ['23-12=11', '93-11=82'] Exploring Operation: 58*82=4756, Resulting Numbers: [4756] 4756,91 unequal: No Solution Exploring Operation: 58+82=140, Resulting Numbers: [140] 140,91 unequal: No Solution Exploring Operation: 82-58=24, Resulting Numbers: [24] 24,91 unequal: No Solution Moving to Node #0,1,4 Current State: 91:[70, 70], Operations: ['58+12=70', '93-23=70'] Exploring Operation: 70/70=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 70-70=0, Resulting Numbers: [0] 0,91 unequal: No Solution Exploring Operation: 70+70=140, Resulting Numbers: [140] 140,91 unequal: No Solution Exploring Operation: 70*70=4900, Resulting Numbers: [4900] 4900,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[35, 35], Operations: ['93-58=35', '12+23=35'] Exploring Operation: 35*35=1225, Resulting Numbers: [1225] 1225,91 unequal: No Solution Exploring Operation: 35-35=0, Resulting Numbers: [0] 0,91 unequal: No Solution Exploring Operation: 35/35=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 35+35=70, Resulting Numbers: [70] 70,91 unequal: No Solution Moving to Node #0,1,2 Current State: 91:[70, 116], Operations: ['58+12=70', '93+23=116'] Exploring Operation: 116-70=46, Resulting Numbers: [46] 46,91 unequal: No Solution Exploring Operation: 70+116=186, Resulting Numbers: [186] 186,91 unequal: No Solution Exploring Operation: 70*116=8120, Resulting Numbers: [8120] 8120,91 unequal: No Solution Moving to Node #0,4,0 Current State: 91:[58, 104], Operations: ['23-12=11', '93+11=104'] Exploring Operation: 58+104=162, Resulting Numbers: [162] 162,91 unequal: No Solution Exploring Operation: 104-58=46, Resulting Numbers: [46] 46,91 unequal: No Solution Exploring Operation: 58*104=6032, Resulting Numbers: [6032] 6032,91 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 16, 27, 93, 52 ]
84
[ "16+27=43", "93-52=41", "43+41=84" ]
Current State: 84:[16, 27, 93, 52], Operations: [] Exploring Operation: 16+27=43, Resulting Numbers: [93, 52, 43] Generated Node #2: [93, 52, 43] from Operation: 16+27=43 Current State: 84:[93, 52, 43], Operations: ['16+27=43'] Exploring Operation: 93-52=41, Resulting Numbers: [43, 41] Generated Node #3: [43, 41] from Operation: 93-52=41 Current State: 84:[43, 41], Operations: ['16+27=43', '93-52=41'] Exploring Operation: 43+41=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[16, 27, 93, 52], Operations: [] Exploring Operation: 93-52=41, Resulting Numbers: [16, 27, 41] Generated Node #0,0: 84:[16, 27, 41] Operation: 93-52=41 Exploring Operation: 52-27=25, Resulting Numbers: [16, 93, 25] Generated Node #0,1: 84:[16, 93, 25] Operation: 52-27=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[16, 27, 41], Operations: ['93-52=41'] Exploring Operation: 27-16=11, Resulting Numbers: [41, 11] Generated Node #0,0,0: 84:[41, 11] Operation: 27-16=11 Exploring Operation: 16+27=43, Resulting Numbers: [41, 43] Generated Node #0,0,1: 84:[41, 43] Operation: 16+27=43 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[41, 11], Operations: ['93-52=41', '27-16=11'] Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,84 unequal: No Solution Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,84 unequal: No Solution No 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: 84:[41, 43], Operations: ['93-52=41', '16+27=43'] Exploring Operation: 41+43=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[16, 27, 93, 52], Operations: [] Exploring Operation: 93-52=41, Resulting Numbers: [16, 27, 41] Generated Node #0,0: 84:[16, 27, 41] Operation: 93-52=41 Moving to Node #0,0 Current State: 84:[16, 27, 41], Operations: ['93-52=41'] Exploring Operation: 16+27=43, Resulting Numbers: [41, 43] Generated Node #0,0,1: 84:[41, 43] Operation: 16+27=43 Moving to Node #0,0,1 Current State: 84:[41, 43], Operations: ['93-52=41', '16+27=43'] Exploring Operation: 41+43=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 66, 44, 12, 14 ]
22
[ "44*12=528", "528/66=8", "14+8=22" ]
Current State: 22:[66, 44, 12, 14], Operations: [] Exploring Operation: 44*12=528, Resulting Numbers: [66, 14, 528] Generated Node #2: [66, 14, 528] from Operation: 44*12=528 Current State: 22:[66, 14, 528], Operations: ['44*12=528'] Exploring Operation: 528/66=8, Resulting Numbers: [14, 8] Generated Node #3: [14, 8] from Operation: 528/66=8 Current State: 22:[14, 8], Operations: ['44*12=528', '528/66=8'] Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[66, 44, 12, 14], Operations: [] Exploring Operation: 66-14=52, Resulting Numbers: [44, 12, 52] Generated Node #0,0: 22:[44, 12, 52] Operation: 66-14=52 Exploring Operation: 66-44=22, Resulting Numbers: [12, 14, 22] Generated Node #0,1: 22:[12, 14, 22] Operation: 66-44=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[12, 14, 22], Operations: ['66-44=22'] Exploring Operation: 12+14=26, Resulting Numbers: [22, 26] Generated Node #0,1,0: 22:[22, 26] Operation: 12+14=26 Exploring Operation: 14-12=2, Resulting Numbers: [22, 2] Generated Node #0,1,1: 22:[22, 2] Operation: 14-12=2 Moving to Node #0,1,1 Current State: 22:[22, 2], Operations: ['66-44=22', '14-12=2'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,22 unequal: No Solution Moving to Node #0,1,0 Current State: 22:[22, 26], Operations: ['66-44=22', '12+14=26'] Exploring Operation: 22+26=48, Resulting Numbers: [48] 48,22 unequal: No Solution Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[44, 12, 52], Operations: ['66-14=52'] Exploring Operation: 52-44=8, Resulting Numbers: [12, 8] Generated Node #0,0,0: 22:[12, 8] Operation: 52-44=8 Exploring Operation: 44-12=32, Resulting Numbers: [52, 32] Generated Node #0,0,1: 22:[52, 32] Operation: 44-12=32 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 22:[12, 8], Operations: ['66-14=52', '52-44=8'] Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,22 unequal: No Solution Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,22 unequal: No Solution No 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: 22:[52, 32], Operations: ['66-14=52', '44-12=32'] Exploring Operation: 52+32=84, Resulting Numbers: [84] 84,22 unequal: No Solution Exploring Operation: 52-32=20, Resulting Numbers: [20] 20,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 84, 15, 15, 21 ]
62
[ "84-21=63", "15/15=1", "63-1=62" ]
Current State: 62:[84, 15, 15, 21], Operations: [] Exploring Operation: 84-21=63, Resulting Numbers: [15, 15, 63] Generated Node #2: [15, 15, 63] from Operation: 84-21=63 Current State: 62:[15, 15, 63], Operations: ['84-21=63'] Exploring Operation: 15/15=1, Resulting Numbers: [63, 1] Generated Node #3: [63, 1] from Operation: 15/15=1 Current State: 62:[63, 1], Operations: ['84-21=63', '15/15=1'] Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[84, 15, 15, 21], Operations: [] Exploring Operation: 84-21=63, Resulting Numbers: [15, 15, 63] Generated Node #0,0: 62:[15, 15, 63] Operation: 84-21=63 Exploring Operation: 84/21=4, Resulting Numbers: [15, 15, 4] Generated Node #0,1: 62:[15, 15, 4] Operation: 84/21=4 Exploring Operation: 15+15=30, Resulting Numbers: [84, 21, 30] Generated Node #0,2: 62:[84, 21, 30] Operation: 15+15=30 Exploring Operation: 84-15=69, Resulting Numbers: [15, 21, 69] Generated Node #0,3: 62:[15, 21, 69] Operation: 84-15=69 Exploring Operation: 84-15=69, Resulting Numbers: [15, 21, 69] Generated Node #0,4: 62:[15, 21, 69] Operation: 84-15=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[15, 15, 63], Operations: ['84-21=63'] Exploring Operation: 63-15=48, Resulting Numbers: [15, 48] Generated Node #0,0,0: 62:[15, 48] Operation: 63-15=48 Exploring Operation: 15/15=1, Resulting Numbers: [63, 1] Generated Node #0,0,1: 62:[63, 1] Operation: 15/15=1 Exploring Operation: 15+15=30, Resulting Numbers: [63, 30] Generated Node #0,0,2: 62:[63, 30] Operation: 15+15=30 Exploring Operation: 15-15=0, Resulting Numbers: [63, 0] Generated Node #0,0,3: 62:[63, 0] Operation: 15-15=0 Exploring Operation: 63-15=48, Resulting Numbers: [15, 48] Generated Node #0,0,4: 62:[15, 48] Operation: 63-15=48 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 62:[63, 1], Operations: ['84-21=63', '15/15=1'] Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[84, 15, 15, 21], Operations: [] Exploring Operation: 84-21=63, Resulting Numbers: [15, 15, 63] Generated Node #0,0: 62:[15, 15, 63] Operation: 84-21=63 Moving to Node #0,0 Current State: 62:[15, 15, 63], Operations: ['84-21=63'] Exploring Operation: 15/15=1, Resulting Numbers: [63, 1] Generated Node #0,0,1: 62:[63, 1] Operation: 15/15=1 Moving to Node #0,0,1 Current State: 62:[63, 1], Operations: ['84-21=63', '15/15=1'] Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 23, 80, 20, 8 ]
92
[ "80/20=4", "8-4=4", "23*4=92" ]
Current State: 92:[23, 80, 20, 8], Operations: [] Exploring Operation: 80/20=4, Resulting Numbers: [23, 8, 4] Generated Node #2: [23, 8, 4] from Operation: 80/20=4 Current State: 92:[23, 8, 4], Operations: ['80/20=4'] Exploring Operation: 8-4=4, Resulting Numbers: [23, 4] Generated Node #3: [23, 4] from Operation: 8-4=4 Current State: 92:[23, 4], Operations: ['80/20=4', '8-4=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[23, 80, 20, 8], Operations: [] Exploring Operation: 80+8=88, Resulting Numbers: [23, 20, 88] Generated Node #0,0: 92:[23, 20, 88] Operation: 80+8=88 Exploring Operation: 80/20=4, Resulting Numbers: [23, 8, 4] Generated Node #0,1: 92:[23, 8, 4] Operation: 80/20=4 Exploring Operation: 80/8=10, Resulting Numbers: [23, 20, 10] Generated Node #0,2: 92:[23, 20, 10] Operation: 80/8=10 Moving to Node #0,1 Current State: 92:[23, 8, 4], Operations: ['80/20=4'] Exploring Operation: 8/4=2, Resulting Numbers: [23, 2] Generated Node #0,1,0: 92:[23, 2] Operation: 8/4=2 Exploring Operation: 23*4=92, Resulting Numbers: [8, 92] Generated Node #0,1,1: 92:[8, 92] Operation: 23*4=92 Exploring Operation: 8-4=4, Resulting Numbers: [23, 4] Generated Node #0,1,2: 92:[23, 4] Operation: 8-4=4 Moving to Node #0,0 Current State: 92:[23, 20, 88], Operations: ['80+8=88'] Exploring Operation: 20+88=108, Resulting Numbers: [23, 108] Generated Node #0,0,0: 92:[23, 108] Operation: 20+88=108 Exploring Operation: 23-20=3, Resulting Numbers: [88, 3] Generated Node #0,0,1: 92:[88, 3] Operation: 23-20=3 Exploring Operation: 23+20=43, Resulting Numbers: [88, 43] Generated Node #0,0,2: 92:[88, 43] Operation: 23+20=43 Moving to Node #0,2 Current State: 92:[23, 20, 10], Operations: ['80/8=10'] Exploring Operation: 20/10=2, Resulting Numbers: [23, 2] Generated Node #0,2,0: 92:[23, 2] Operation: 20/10=2 Exploring Operation: 23-20=3, Resulting Numbers: [10, 3] Generated Node #0,2,1: 92:[10, 3] Operation: 23-20=3 Exploring Operation: 20-10=10, Resulting Numbers: [23, 10] Generated Node #0,2,2: 92:[23, 10] Operation: 20-10=10 Moving to Node #0,1,0 Current State: 92:[23, 2], Operations: ['80/20=4', '8/4=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,92 unequal: No Solution Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,92 unequal: No Solution Moving to Node #0,2,0 Current State: 92:[23, 2], Operations: ['80/8=10', '20/10=2'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,92 unequal: No Solution Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,92 unequal: No Solution Moving to Node #0,1,2 Current State: 92:[23, 4], Operations: ['80/20=4', '8-4=4'] Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,92 unequal: No Solution Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[23, 80, 20, 8], Operations: [] Exploring Operation: 80/20=4, Resulting Numbers: [23, 8, 4] Generated Node #0,1: 92:[23, 8, 4] Operation: 80/20=4 Moving to Node #0,1 Current State: 92:[23, 8, 4], Operations: ['80/20=4'] Exploring Operation: 8-4=4, Resulting Numbers: [23, 4] Generated Node #0,1,2: 92:[23, 4] Operation: 8-4=4 Moving to Node #0,1,2 Current State: 92:[23, 4], Operations: ['80/20=4', '8-4=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
0.979167
hs_3
sum_heuristic
[ 35, 78, 36, 14 ]
38
[ "78-36=42", "42/14=3", "35+3=38" ]
Current State: 38:[35, 78, 36, 14], Operations: [] Exploring Operation: 78-36=42, Resulting Numbers: [35, 14, 42] Generated Node #2: [35, 14, 42] from Operation: 78-36=42 Current State: 38:[35, 14, 42], Operations: ['78-36=42'] Exploring Operation: 42/14=3, Resulting Numbers: [35, 3] Generated Node #3: [35, 3] from Operation: 42/14=3 Current State: 38:[35, 3], Operations: ['78-36=42', '42/14=3'] Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[35, 78, 36, 14], Operations: [] Exploring Operation: 36-35=1, Resulting Numbers: [78, 14, 1] Generated Node #0,0: 38:[78, 14, 1] Operation: 36-35=1 Exploring Operation: 78-35=43, Resulting Numbers: [36, 14, 43] Generated Node #0,1: 38:[36, 14, 43] Operation: 78-35=43 Exploring Operation: 35-14=21, Resulting Numbers: [78, 36, 21] Generated Node #0,2: 38:[78, 36, 21] Operation: 35-14=21 Exploring Operation: 78-14=64, Resulting Numbers: [35, 36, 64] Generated Node #0,3: 38:[35, 36, 64] Operation: 78-14=64 Exploring Operation: 78-36=42, Resulting Numbers: [35, 14, 42] Generated Node #0,4: 38:[35, 14, 42] Operation: 78-36=42 Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[36, 14, 43], Operations: ['78-35=43'] Exploring Operation: 36-14=22, Resulting Numbers: [43, 22] Generated Node #0,1,0: 38:[43, 22] Operation: 36-14=22 Exploring Operation: 43-36=7, Resulting Numbers: [14, 7] Generated Node #0,1,1: 38:[14, 7] Operation: 43-36=7 Exploring Operation: 43-14=29, Resulting Numbers: [36, 29] Generated Node #0,1,2: 38:[36, 29] Operation: 43-14=29 Exploring Operation: 36+14=50, Resulting Numbers: [43, 50] Generated Node #0,1,3: 38:[43, 50] Operation: 36+14=50 Exploring Operation: 14+43=57, Resulting Numbers: [36, 57] Generated Node #0,1,4: 38:[36, 57] Operation: 14+43=57 Moving to Node #0,1,0 Current State: 38:[43, 22], Operations: ['78-35=43', '36-14=22'] Exploring Operation: 43*22=946, Resulting Numbers: [946] 946,38 unequal: No Solution Exploring Operation: 43+22=65, Resulting Numbers: [65] 65,38 unequal: No Solution Exploring Operation: 43-22=21, Resulting Numbers: [21] 21,38 unequal: No Solution Moving to Node #0,1,1 Current State: 38:[14, 7], Operations: ['78-35=43', '43-36=7'] Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,38 unequal: No Solution Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,38 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,38 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,38 unequal: No Solution Moving to Node #0,1,2 Current State: 38:[36, 29], Operations: ['78-35=43', '43-14=29'] Exploring Operation: 36*29=1044, Resulting Numbers: [1044] 1044,38 unequal: No Solution Exploring Operation: 36+29=65, Resulting Numbers: [65] 65,38 unequal: No Solution Exploring Operation: 36-29=7, Resulting Numbers: [7] 7,38 unequal: No Solution Moving to Node #0,1,3 Current State: 38:[43, 50], Operations: ['78-35=43', '36+14=50'] Exploring Operation: 43*50=2150, Resulting Numbers: [2150] 2150,38 unequal: No Solution Exploring Operation: 50-43=7, Resulting Numbers: [7] 7,38 unequal: No Solution Exploring Operation: 43+50=93, Resulting Numbers: [93] 93,38 unequal: No Solution Moving to Node #0,1,4 Current State: 38:[36, 57], Operations: ['78-35=43', '14+43=57'] Exploring Operation: 36*57=2052, Resulting Numbers: [2052] 2052,38 unequal: No Solution Exploring Operation: 36+57=93, Resulting Numbers: [93] 93,38 unequal: No Solution Exploring Operation: 57-36=21, Resulting Numbers: [21] 21,38 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 #0,4 Current State: 38:[35, 14, 42], Operations: ['78-36=42'] Exploring Operation: 42/14=3, Resulting Numbers: [35, 3] Generated Node #0,4,0: 38:[35, 3] Operation: 42/14=3 Exploring Operation: 42-35=7, Resulting Numbers: [14, 7] Generated Node #0,4,1: 38:[14, 7] Operation: 42-35=7 Exploring Operation: 35-14=21, Resulting Numbers: [42, 21] Generated Node #0,4,2: 38:[42, 21] Operation: 35-14=21 Exploring Operation: 35+14=49, Resulting Numbers: [42, 49] Generated Node #0,4,3: 38:[42, 49] Operation: 35+14=49 Exploring Operation: 42-14=28, Resulting Numbers: [35, 28] Generated Node #0,4,4: 38:[35, 28] Operation: 42-14=28 Moving to Node #0,4,0 Current State: 38:[35, 3], Operations: ['78-36=42', '42/14=3'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[35, 78, 36, 14], Operations: [] Exploring Operation: 78-36=42, Resulting Numbers: [35, 14, 42] Generated Node #0,4: 38:[35, 14, 42] Operation: 78-36=42 Moving to Node #0,4 Current State: 38:[35, 14, 42], Operations: ['78-36=42'] Exploring Operation: 42/14=3, Resulting Numbers: [35, 3] Generated Node #0,4,0: 38:[35, 3] Operation: 42/14=3 Moving to Node #0,4,0 Current State: 38:[35, 3], Operations: ['78-36=42', '42/14=3'] Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 64, 84, 82, 22 ]
40
[ "84-64=20", "82-22=60", "60-20=40" ]
Current State: 40:[64, 84, 82, 22], Operations: [] Exploring Operation: 84-64=20, Resulting Numbers: [82, 22, 20] Generated Node #2: [82, 22, 20] from Operation: 84-64=20 Current State: 40:[82, 22, 20], Operations: ['84-64=20'] Exploring Operation: 82-22=60, Resulting Numbers: [20, 60] Generated Node #3: [20, 60] from Operation: 82-22=60 Current State: 40:[20, 60], Operations: ['84-64=20', '82-22=60'] Exploring Operation: 60-20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[64, 84, 82, 22], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [64, 22, 2] Generated Node #0,0: 40:[64, 22, 2] Operation: 84-82=2 Exploring Operation: 84-64=20, Resulting Numbers: [82, 22, 20] Generated Node #0,1: 40:[82, 22, 20] Operation: 84-64=20 Exploring Operation: 82-64=18, Resulting Numbers: [84, 22, 18] Generated Node #0,2: 40:[84, 22, 18] Operation: 82-64=18 Exploring Operation: 64-22=42, Resulting Numbers: [84, 82, 42] Generated Node #0,3: 40:[84, 82, 42] Operation: 64-22=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[64, 22, 2], Operations: ['84-82=2'] Exploring Operation: 22-2=20, Resulting Numbers: [64, 20] Generated Node #0,0,0: 40:[64, 20] Operation: 22-2=20 Exploring Operation: 64/2=32, Resulting Numbers: [22, 32] Generated Node #0,0,1: 40:[22, 32] Operation: 64/2=32 Exploring Operation: 64-2=62, Resulting Numbers: [22, 62] Generated Node #0,0,2: 40:[22, 62] Operation: 64-2=62 Exploring Operation: 64-22=42, Resulting Numbers: [2, 42] Generated Node #0,0,3: 40:[2, 42] Operation: 64-22=42 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 40:[2, 42], Operations: ['84-82=2', '64-22=42'] Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,40 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,40 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,40 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[64, 84, 82, 22], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [64, 22, 2] Generated Node #0,0: 40:[64, 22, 2] Operation: 84-82=2 Moving to Node #0,0 Current State: 40:[64, 22, 2], Operations: ['84-82=2'] Exploring Operation: 64-22=42, Resulting Numbers: [2, 42] Generated Node #0,0,3: 40:[2, 42] Operation: 64-22=42 Moving to Node #0,0,3 Current State: 40:[2, 42], Operations: ['84-82=2', '64-22=42'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 2, 88, 87, 16 ]
34
[ "88-87=1", "16+1=17", "2*17=34" ]
Current State: 34:[2, 88, 87, 16], Operations: [] Exploring Operation: 88-87=1, Resulting Numbers: [2, 16, 1] Generated Node #2: [2, 16, 1] from Operation: 88-87=1 Current State: 34:[2, 16, 1], Operations: ['88-87=1'] Exploring Operation: 16+1=17, Resulting Numbers: [2, 17] Generated Node #3: [2, 17] from Operation: 16+1=17 Current State: 34:[2, 17], Operations: ['88-87=1', '16+1=17'] Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[2, 88, 87, 16], Operations: [] Exploring Operation: 88-87=1, Resulting Numbers: [2, 16, 1] Generated Node #0,0: 34:[2, 16, 1] Operation: 88-87=1 Moving to Node #0,0 Current State: 34:[2, 16, 1], Operations: ['88-87=1'] Exploring Operation: 16+1=17, Resulting Numbers: [2, 17] Generated Node #0,0,0: 34:[2, 17] Operation: 16+1=17 Moving to Node #0,0,0 Current State: 34:[2, 17], Operations: ['88-87=1', '16+1=17'] Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[2, 88, 87, 16], Operations: [] Exploring Operation: 88-87=1, Resulting Numbers: [2, 16, 1] Generated Node #0,0: 34:[2, 16, 1] Operation: 88-87=1 Moving to Node #0,0 Current State: 34:[2, 16, 1], Operations: ['88-87=1'] Exploring Operation: 16+1=17, Resulting Numbers: [2, 17] Generated Node #0,0,0: 34:[2, 17] Operation: 16+1=17 Moving to Node #0,0,0 Current State: 34:[2, 17], Operations: ['88-87=1', '16+1=17'] Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 70, 31, 52, 36 ]
49
[ "70-31=39", "52+36=88", "88-39=49" ]
Current State: 49:[70, 31, 52, 36], Operations: [] Exploring Operation: 70-31=39, Resulting Numbers: [52, 36, 39] Generated Node #2: [52, 36, 39] from Operation: 70-31=39 Current State: 49:[52, 36, 39], Operations: ['70-31=39'] Exploring Operation: 52+36=88, Resulting Numbers: [39, 88] Generated Node #3: [39, 88] from Operation: 52+36=88 Current State: 49:[39, 88], Operations: ['70-31=39', '52+36=88'] Exploring Operation: 88-39=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[70, 31, 52, 36], Operations: [] Exploring Operation: 70-31=39, Resulting Numbers: [52, 36, 39] Generated Node #0,0: 49:[52, 36, 39] Operation: 70-31=39 Exploring Operation: 36-31=5, Resulting Numbers: [70, 52, 5] Generated Node #0,1: 49:[70, 52, 5] Operation: 36-31=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[52, 36, 39], Operations: ['70-31=39'] Exploring Operation: 52-36=16, Resulting Numbers: [39, 16] Generated Node #0,0,0: 49:[39, 16] Operation: 52-36=16 Exploring Operation: 39-36=3, Resulting Numbers: [52, 3] Generated Node #0,0,1: 49:[52, 3] Operation: 39-36=3 Moving to Node #0,0,1 Current State: 49:[52, 3], Operations: ['70-31=39', '39-36=3'] Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[70, 31, 52, 36], Operations: [] Exploring Operation: 70-31=39, Resulting Numbers: [52, 36, 39] Generated Node #0,0: 49:[52, 36, 39] Operation: 70-31=39 Moving to Node #0,0 Current State: 49:[52, 36, 39], Operations: ['70-31=39'] Exploring Operation: 39-36=3, Resulting Numbers: [52, 3] Generated Node #0,0,1: 49:[52, 3] Operation: 39-36=3 Moving to Node #0,0,1 Current State: 49:[52, 3], Operations: ['70-31=39', '39-36=3'] Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 18, 22, 84, 50 ]
80
[ "22+50=72", "72/18=4", "84-4=80" ]
Current State: 80:[18, 22, 84, 50], Operations: [] Exploring Operation: 22+50=72, Resulting Numbers: [18, 84, 72] Generated Node #2: [18, 84, 72] from Operation: 22+50=72 Current State: 80:[18, 84, 72], Operations: ['22+50=72'] Exploring Operation: 72/18=4, Resulting Numbers: [84, 4] Generated Node #3: [84, 4] from Operation: 72/18=4 Current State: 80:[84, 4], Operations: ['22+50=72', '72/18=4'] Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[18, 22, 84, 50], Operations: [] Exploring Operation: 18+22=40, Resulting Numbers: [84, 50, 40] Generated Node #0,0: 80:[84, 50, 40] Operation: 18+22=40 Exploring Operation: 84-50=34, Resulting Numbers: [18, 22, 34] Generated Node #0,1: 80:[18, 22, 34] Operation: 84-50=34 Exploring Operation: 22-18=4, Resulting Numbers: [84, 50, 4] Generated Node #0,2: 80:[84, 50, 4] Operation: 22-18=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[18, 22, 34], Operations: ['84-50=34'] Exploring Operation: 18+22=40, Resulting Numbers: [34, 40] Generated Node #0,1,0: 80:[34, 40] Operation: 18+22=40 Exploring Operation: 34-22=12, Resulting Numbers: [18, 12] Generated Node #0,1,1: 80:[18, 12] Operation: 34-22=12 Exploring Operation: 34-18=16, Resulting Numbers: [22, 16] Generated Node #0,1,2: 80:[22, 16] Operation: 34-18=16 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 80:[22, 16], Operations: ['84-50=34', '34-18=16'] Exploring Operation: 22+16=38, Resulting Numbers: [38] 38,80 unequal: No Solution Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,80 unequal: No Solution Exploring Operation: 22*16=352, Resulting Numbers: [352] 352,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 80:[18, 12], Operations: ['84-50=34', '34-22=12'] Exploring Operation: 18*12=216, Resulting Numbers: [216] 216,80 unequal: No Solution Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,80 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 80:[34, 40], Operations: ['84-50=34', '18+22=40'] Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,80 unequal: No Solution Exploring Operation: 34+40=74, Resulting Numbers: [74] 74,80 unequal: No Solution Exploring Operation: 34*40=1360, Resulting Numbers: [1360] 1360,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[84, 50, 40], Operations: ['18+22=40'] Exploring Operation: 84-40=44, Resulting Numbers: [50, 44] Generated Node #0,0,0: 80:[50, 44] Operation: 84-40=44 Exploring Operation: 84-50=34, Resulting Numbers: [40, 34] Generated Node #0,0,1: 80:[40, 34] Operation: 84-50=34 Exploring Operation: 50-40=10, Resulting Numbers: [84, 10] Generated Node #0,0,2: 80:[84, 10] Operation: 50-40=10 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 80:[84, 10], Operations: ['18+22=40', '50-40=10'] Exploring Operation: 84*10=840, Resulting Numbers: [840] 840,80 unequal: No Solution Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,80 unequal: No Solution Exploring Operation: 84+10=94, Resulting Numbers: [94] 94,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 80:[40, 34], Operations: ['18+22=40', '84-50=34'] Exploring Operation: 40+34=74, Resulting Numbers: [74] 74,80 unequal: No Solution Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,80 unequal: No Solution Exploring Operation: 40*34=1360, Resulting Numbers: [1360] 1360,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[50, 44], Operations: ['18+22=40', '84-40=44'] Exploring Operation: 50-44=6, Resulting Numbers: [6] 6,80 unequal: No Solution Exploring Operation: 50*44=2200, Resulting Numbers: [2200] 2200,80 unequal: No Solution Exploring Operation: 50+44=94, Resulting Numbers: [94] 94,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 80:[84, 50, 4], Operations: ['22-18=4'] Exploring Operation: 84-4=80, Resulting Numbers: [50, 80] Generated Node #0,2,0: 80:[50, 80] Operation: 84-4=80 Exploring Operation: 84-50=34, Resulting Numbers: [4, 34] Generated Node #0,2,1: 80:[4, 34] Operation: 84-50=34 Exploring Operation: 50-4=46, Resulting Numbers: [84, 46] Generated Node #0,2,2: 80:[84, 46] Operation: 50-4=46 Moving to Node #0,2,1 Current State: 80:[4, 34], Operations: ['22-18=4', '84-50=34'] Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,80 unequal: No Solution Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,80 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,80 unequal: No Solution Moving to Node #0,2,0 Current State: 80:[50, 80], Operations: ['22-18=4', '84-4=80'] Exploring Operation: 50*80=4000, Resulting Numbers: [4000] 4000,80 unequal: No Solution Exploring Operation: 50+80=130, Resulting Numbers: [130] 130,80 unequal: No Solution Exploring Operation: 80-50=30, Resulting Numbers: [30] 30,80 unequal: No Solution Moving to Node #0,2,2 Current State: 80:[84, 46], Operations: ['22-18=4', '50-4=46'] Exploring Operation: 84+46=130, Resulting Numbers: [130] 130,80 unequal: No Solution Exploring Operation: 84*46=3864, Resulting Numbers: [3864] 3864,80 unequal: No Solution Exploring Operation: 84-46=38, Resulting Numbers: [38] 38,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 79, 72, 83, 92 ]
16
[ "79-72=7", "92-83=9", "7+9=16" ]
Current State: 16:[79, 72, 83, 92], Operations: [] Exploring Operation: 79-72=7, Resulting Numbers: [83, 92, 7] Generated Node #2: [83, 92, 7] from Operation: 79-72=7 Current State: 16:[83, 92, 7], Operations: ['79-72=7'] Exploring Operation: 92-83=9, Resulting Numbers: [7, 9] Generated Node #3: [7, 9] from Operation: 92-83=9 Current State: 16:[7, 9], Operations: ['79-72=7', '92-83=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[79, 72, 83, 92], Operations: [] Exploring Operation: 83-72=11, Resulting Numbers: [79, 92, 11] Generated Node #0,0: 16:[79, 92, 11] Operation: 83-72=11 Exploring Operation: 83-79=4, Resulting Numbers: [72, 92, 4] Generated Node #0,1: 16:[72, 92, 4] Operation: 83-79=4 Exploring Operation: 92-79=13, Resulting Numbers: [72, 83, 13] Generated Node #0,2: 16:[72, 83, 13] Operation: 92-79=13 Exploring Operation: 92-72=20, Resulting Numbers: [79, 83, 20] Generated Node #0,3: 16:[79, 83, 20] Operation: 92-72=20 Exploring Operation: 92-83=9, Resulting Numbers: [79, 72, 9] Generated Node #0,4: 16:[79, 72, 9] Operation: 92-83=9 Start Sub Search at level 1: Moving to Node #0,4 Current State: 16:[79, 72, 9], Operations: ['92-83=9'] Exploring Operation: 79-72=7, Resulting Numbers: [9, 7] Generated Node #0,4,0: 16:[9, 7] Operation: 79-72=7 Exploring Operation: 79-9=70, Resulting Numbers: [72, 70] Generated Node #0,4,1: 16:[72, 70] Operation: 79-9=70 Exploring Operation: 79+9=88, Resulting Numbers: [72, 88] Generated Node #0,4,2: 16:[72, 88] Operation: 79+9=88 Exploring Operation: 72-9=63, Resulting Numbers: [79, 63] Generated Node #0,4,3: 16:[79, 63] Operation: 72-9=63 Exploring Operation: 72/9=8, Resulting Numbers: [79, 8] Generated Node #0,4,4: 16:[79, 8] Operation: 72/9=8 Moving to Node #0,4,0 Current State: 16:[9, 7], Operations: ['92-83=9', '79-72=7'] Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,16 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,16 unequal: No Solution Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[79, 72, 83, 92], Operations: [] Exploring Operation: 92-83=9, Resulting Numbers: [79, 72, 9] Generated Node #0,4: 16:[79, 72, 9] Operation: 92-83=9 Moving to Node #0,4 Current State: 16:[79, 72, 9], Operations: ['92-83=9'] Exploring Operation: 79-72=7, Resulting Numbers: [9, 7] Generated Node #0,4,0: 16:[9, 7] Operation: 79-72=7 Moving to Node #0,4,0 Current State: 16:[9, 7], Operations: ['92-83=9', '79-72=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 64, 10, 38, 73 ]
38
[ "64+10=74", "74-73=1", "38*1=38" ]
Current State: 38:[64, 10, 38, 73], Operations: [] Exploring Operation: 64+10=74, Resulting Numbers: [38, 73, 74] Generated Node #2: [38, 73, 74] from Operation: 64+10=74 Current State: 38:[38, 73, 74], Operations: ['64+10=74'] Exploring Operation: 74-73=1, Resulting Numbers: [38, 1] Generated Node #3: [38, 1] from Operation: 74-73=1 Current State: 38:[38, 1], Operations: ['64+10=74', '74-73=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[64, 10, 38, 73], Operations: [] Exploring Operation: 73-38=35, Resulting Numbers: [64, 10, 35] Generated Node #0,0: 38:[64, 10, 35] Operation: 73-38=35 Exploring Operation: 73-64=9, Resulting Numbers: [10, 38, 9] Generated Node #0,1: 38:[10, 38, 9] Operation: 73-64=9 Moving to Node #0,1 Current State: 38:[10, 38, 9], Operations: ['73-64=9'] Exploring Operation: 10-9=1, Resulting Numbers: [38, 1] Generated Node #0,1,0: 38:[38, 1] Operation: 10-9=1 Exploring Operation: 10+9=19, Resulting Numbers: [38, 19] Generated Node #0,1,1: 38:[38, 19] Operation: 10+9=19 Moving to Node #0,0 Current State: 38:[64, 10, 35], Operations: ['73-38=35'] Exploring Operation: 64-10=54, Resulting Numbers: [35, 54] Generated Node #0,0,0: 38:[35, 54] Operation: 64-10=54 Exploring Operation: 64-35=29, Resulting Numbers: [10, 29] Generated Node #0,0,1: 38:[10, 29] Operation: 64-35=29 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 38:[10, 29], Operations: ['73-38=35', '64-35=29'] Exploring Operation: 10+29=39, Resulting Numbers: [39] 39,38 unequal: No Solution Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,38 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 #0,0,0 Current State: 38:[35, 54], Operations: ['73-38=35', '64-10=54'] Exploring Operation: 35+54=89, Resulting Numbers: [89] 89,38 unequal: No Solution Exploring Operation: 54-35=19, Resulting Numbers: [19] 19,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 38:[38, 19], Operations: ['73-64=9', '10+9=19'] Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,38 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[38, 1], Operations: ['73-64=9', '10-9=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[64, 10, 38, 73], Operations: [] Exploring Operation: 73-64=9, Resulting Numbers: [10, 38, 9] Generated Node #0,1: 38:[10, 38, 9] Operation: 73-64=9 Moving to Node #0,1 Current State: 38:[10, 38, 9], Operations: ['73-64=9'] Exploring Operation: 10-9=1, Resulting Numbers: [38, 1] Generated Node #0,1,0: 38:[38, 1] Operation: 10-9=1 Moving to Node #0,1,0 Current State: 38:[38, 1], Operations: ['73-64=9', '10-9=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
0.985243
hs_2
mult_heuristic
[ 16, 29, 4, 7 ]
79
[ "16*7=112", "29+4=33", "112-33=79" ]
Current State: 79:[16, 29, 4, 7], Operations: [] Exploring Operation: 16*7=112, Resulting Numbers: [29, 4, 112] Generated Node #2: [29, 4, 112] from Operation: 16*7=112 Current State: 79:[29, 4, 112], Operations: ['16*7=112'] Exploring Operation: 29+4=33, Resulting Numbers: [112, 33] Generated Node #3: [112, 33] from Operation: 29+4=33 Current State: 79:[112, 33], Operations: ['16*7=112', '29+4=33'] Exploring Operation: 112-33=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[16, 29, 4, 7], Operations: [] Exploring Operation: 16*4=64, Resulting Numbers: [29, 7, 64] Generated Node #0,0: 79:[29, 7, 64] Operation: 16*4=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[29, 7, 64], Operations: ['16*4=64'] Exploring Operation: 29+7=36, Resulting Numbers: [64, 36] Generated Node #0,0,0: 79:[64, 36] Operation: 29+7=36 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[64, 36], Operations: ['16*4=64', '29+7=36'] Exploring Operation: 64+36=100, Resulting Numbers: [100] 100,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 72, 85, 91, 18 ]
15
[ "72+18=90", "91-85=6", "90/6=15" ]
Current State: 15:[72, 85, 91, 18], Operations: [] Exploring Operation: 72+18=90, Resulting Numbers: [85, 91, 90] Generated Node #2: [85, 91, 90] from Operation: 72+18=90 Current State: 15:[85, 91, 90], Operations: ['72+18=90'] Exploring Operation: 91-85=6, Resulting Numbers: [90, 6] Generated Node #3: [90, 6] from Operation: 91-85=6 Current State: 15:[90, 6], Operations: ['72+18=90', '91-85=6'] Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[72, 85, 91, 18], Operations: [] Exploring Operation: 85-72=13, Resulting Numbers: [91, 18, 13] Generated Node #0,0: 15:[91, 18, 13] Operation: 85-72=13 Exploring Operation: 72/18=4, Resulting Numbers: [85, 91, 4] Generated Node #0,1: 15:[85, 91, 4] Operation: 72/18=4 Exploring Operation: 91-72=19, Resulting Numbers: [85, 18, 19] Generated Node #0,2: 15:[85, 18, 19] Operation: 91-72=19 Exploring Operation: 91-85=6, Resulting Numbers: [72, 18, 6] Generated Node #0,3: 15:[72, 18, 6] Operation: 91-85=6 Moving to Node #0,3 Current State: 15:[72, 18, 6], Operations: ['91-85=6'] Exploring Operation: 72/18=4, Resulting Numbers: [6, 4] Generated Node #0,3,0: 15:[6, 4] Operation: 72/18=4 Exploring Operation: 72/6=12, Resulting Numbers: [18, 12] Generated Node #0,3,1: 15:[18, 12] Operation: 72/6=12 Exploring Operation: 72-18=54, Resulting Numbers: [6, 54] Generated Node #0,3,2: 15:[6, 54] Operation: 72-18=54 Exploring Operation: 72-6=66, Resulting Numbers: [18, 66] Generated Node #0,3,3: 15:[18, 66] Operation: 72-6=66 Moving to Node #0,2 Current State: 15:[85, 18, 19], Operations: ['91-72=19'] Exploring Operation: 85+18=103, Resulting Numbers: [19, 103] Generated Node #0,2,0: 15:[19, 103] Operation: 85+18=103 Exploring Operation: 85-18=67, Resulting Numbers: [19, 67] Generated Node #0,2,1: 15:[19, 67] Operation: 85-18=67 Exploring Operation: 85-19=66, Resulting Numbers: [18, 66] Generated Node #0,2,2: 15:[18, 66] Operation: 85-19=66 Exploring Operation: 19-18=1, Resulting Numbers: [85, 1] Generated Node #0,2,3: 15:[85, 1] Operation: 19-18=1 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 15:[18, 66], Operations: ['91-72=19', '85-19=66'] Exploring Operation: 18*66=1188, Resulting Numbers: [1188] 1188,15 unequal: No Solution Exploring Operation: 18+66=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 15:[19, 67], Operations: ['91-72=19', '85-18=67'] Exploring Operation: 19*67=1273, Resulting Numbers: [1273] 1273,15 unequal: No Solution Exploring Operation: 67-19=48, Resulting Numbers: [48] 48,15 unequal: No Solution Exploring Operation: 19+67=86, Resulting Numbers: [86] 86,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 15:[85, 1], Operations: ['91-72=19', '19-18=1'] Exploring Operation: 85*1=85, Resulting Numbers: [85] 85,15 unequal: No Solution Exploring Operation: 85/1=85, Resulting Numbers: [85] 85,15 unequal: No Solution Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,15 unequal: No Solution Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 15:[19, 103], Operations: ['91-72=19', '85+18=103'] Exploring Operation: 103-19=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 19*103=1957, Resulting Numbers: [1957] 1957,15 unequal: No Solution Exploring Operation: 19+103=122, Resulting Numbers: [122] 122,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 15:[91, 18, 13], Operations: ['85-72=13'] Exploring Operation: 18-13=5, Resulting Numbers: [91, 5] Generated Node #0,0,0: 15:[91, 5] Operation: 18-13=5 Exploring Operation: 91-18=73, Resulting Numbers: [13, 73] Generated Node #0,0,1: 15:[13, 73] Operation: 91-18=73 Exploring Operation: 91-13=78, Resulting Numbers: [18, 78] Generated Node #0,0,2: 15:[18, 78] Operation: 91-13=78 Exploring Operation: 91/13=7, Resulting Numbers: [18, 7] Generated Node #0,0,3: 15:[18, 7] Operation: 91/13=7 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 15:[18, 7], Operations: ['85-72=13', '91/13=7'] Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,15 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 18*7=126, Resulting Numbers: [126] 126,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 15:[13, 73], Operations: ['85-72=13', '91-18=73'] Exploring Operation: 13*73=949, Resulting Numbers: [949] 949,15 unequal: No Solution Exploring Operation: 13+73=86, Resulting Numbers: [86] 86,15 unequal: No Solution Exploring Operation: 73-13=60, Resulting Numbers: [60] 60,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 15:[18, 78], Operations: ['85-72=13', '91-13=78'] Exploring Operation: 78-18=60, Resulting Numbers: [60] 60,15 unequal: No Solution Exploring Operation: 18*78=1404, Resulting Numbers: [1404] 1404,15 unequal: No Solution Exploring Operation: 18+78=96, Resulting Numbers: [96] 96,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[91, 5], Operations: ['85-72=13', '18-13=5'] Exploring Operation: 91+5=96, Resulting Numbers: [96] 96,15 unequal: No Solution Exploring Operation: 91-5=86, Resulting Numbers: [86] 86,15 unequal: No Solution Exploring Operation: 91*5=455, Resulting Numbers: [455] 455,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 15:[85, 91, 4], Operations: ['72/18=4'] Exploring Operation: 85+4=89, Resulting Numbers: [91, 89] Generated Node #0,1,0: 15:[91, 89] Operation: 85+4=89 Exploring Operation: 85-4=81, Resulting Numbers: [91, 81] Generated Node #0,1,1: 15:[91, 81] Operation: 85-4=81 Exploring Operation: 91-4=87, Resulting Numbers: [85, 87] Generated Node #0,1,2: 15:[85, 87] Operation: 91-4=87 Exploring Operation: 91-85=6, Resulting Numbers: [4, 6] Generated Node #0,1,3: 15:[4, 6] Operation: 91-85=6 Moving to Node #0,3,0 Current State: 15:[6, 4], Operations: ['91-85=6', '72/18=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,15 unequal: No Solution Moving to Node #0,1,3 Current State: 15:[4, 6], Operations: ['72/18=4', '91-85=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,15 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,15 unequal: No Solution Moving to Node #0,3,1 Current State: 15:[18, 12], Operations: ['91-85=6', '72/6=12'] Exploring Operation: 18*12=216, Resulting Numbers: [216] 216,15 unequal: No Solution Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,15 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,15 unequal: No Solution Moving to Node #0,3,2 Current State: 15:[6, 54], Operations: ['91-85=6', '72-18=54'] Exploring Operation: 6*54=324, Resulting Numbers: [324] 324,15 unequal: No Solution Exploring Operation: 6+54=60, Resulting Numbers: [60] 60,15 unequal: No Solution Exploring Operation: 54/6=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,15 unequal: No Solution Moving to Node #0,3,3 Current State: 15:[18, 66], Operations: ['91-85=6', '72-6=66'] Exploring Operation: 18*66=1188, Resulting Numbers: [1188] 1188,15 unequal: No Solution Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,15 unequal: No Solution Exploring Operation: 18+66=84, Resulting Numbers: [84] 84,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[91, 81], Operations: ['72/18=4', '85-4=81'] Exploring Operation: 91-81=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 91*81=7371, Resulting Numbers: [7371] 7371,15 unequal: No Solution Exploring Operation: 91+81=172, Resulting Numbers: [172] 172,15 unequal: No Solution Moving to Node #0,1,2 Current State: 15:[85, 87], Operations: ['72/18=4', '91-4=87'] Exploring Operation: 87-85=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 85*87=7395, Resulting Numbers: [7395] 7395,15 unequal: No Solution Exploring Operation: 85+87=172, Resulting Numbers: [172] 172,15 unequal: No Solution Moving to Node #0,1,0 Current State: 15:[91, 89], Operations: ['72/18=4', '85+4=89'] Exploring Operation: 91*89=8099, Resulting Numbers: [8099] 8099,15 unequal: No Solution Exploring Operation: 91+89=180, Resulting Numbers: [180] 180,15 unequal: No Solution Exploring Operation: 91-89=2, Resulting Numbers: [2] 2,15 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 70, 1, 98, 40 ]
12
[ "70*1=70", "98-40=58", "70-58=12" ]
Current State: 12:[70, 1, 98, 40], Operations: [] Exploring Operation: 70*1=70, Resulting Numbers: [98, 40, 70] Generated Node #2: [98, 40, 70] from Operation: 70*1=70 Current State: 12:[98, 40, 70], Operations: ['70*1=70'] Exploring Operation: 98-40=58, Resulting Numbers: [70, 58] Generated Node #3: [70, 58] from Operation: 98-40=58 Current State: 12:[70, 58], Operations: ['70*1=70', '98-40=58'] Exploring Operation: 70-58=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[70, 1, 98, 40], Operations: [] Exploring Operation: 70-40=30, Resulting Numbers: [1, 98, 30] Generated Node #0,0: 12:[1, 98, 30] Operation: 70-40=30 Exploring Operation: 98-70=28, Resulting Numbers: [1, 40, 28] Generated Node #0,1: 12:[1, 40, 28] Operation: 98-70=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[1, 40, 28], Operations: ['98-70=28'] Exploring Operation: 40-28=12, Resulting Numbers: [1, 12] Generated Node #0,1,0: 12:[1, 12] Operation: 40-28=12 Exploring Operation: 40-1=39, Resulting Numbers: [28, 39] Generated Node #0,1,1: 12:[28, 39] Operation: 40-1=39 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 12:[1, 12], Operations: ['98-70=28', '40-28=12'] Exploring Operation: 1*12=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[70, 1, 98, 40], Operations: [] Exploring Operation: 98-70=28, Resulting Numbers: [1, 40, 28] Generated Node #0,1: 12:[1, 40, 28] Operation: 98-70=28 Moving to Node #0,1 Current State: 12:[1, 40, 28], Operations: ['98-70=28'] Exploring Operation: 40-28=12, Resulting Numbers: [1, 12] Generated Node #0,1,0: 12:[1, 12] Operation: 40-28=12 Moving to Node #0,1,0 Current State: 12:[1, 12], Operations: ['98-70=28', '40-28=12'] Exploring Operation: 1*12=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 39, 6, 60, 86 ]
37
[ "86-39=47", "60/6=10", "47-10=37" ]
Current State: 37:[39, 6, 60, 86], Operations: [] Exploring Operation: 86-39=47, Resulting Numbers: [6, 60, 47] Generated Node #2: [6, 60, 47] from Operation: 86-39=47 Current State: 37:[6, 60, 47], Operations: ['86-39=47'] Exploring Operation: 60/6=10, Resulting Numbers: [47, 10] Generated Node #3: [47, 10] from Operation: 60/6=10 Current State: 37:[47, 10], Operations: ['86-39=47', '60/6=10'] Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[39, 6, 60, 86], Operations: [] Exploring Operation: 86-39=47, Resulting Numbers: [6, 60, 47] Generated Node #0,0: 37:[6, 60, 47] Operation: 86-39=47 Exploring Operation: 86-60=26, Resulting Numbers: [39, 6, 26] Generated Node #0,1: 37:[39, 6, 26] Operation: 86-60=26 Moving to Node #0,1 Current State: 37:[39, 6, 26], Operations: ['86-60=26'] Exploring Operation: 6+26=32, Resulting Numbers: [39, 32] Generated Node #0,1,0: 37:[39, 32] Operation: 6+26=32 Exploring Operation: 39-6=33, Resulting Numbers: [26, 33] Generated Node #0,1,1: 37:[26, 33] Operation: 39-6=33 Moving to Node #0,0 Current State: 37:[6, 60, 47], Operations: ['86-39=47'] Exploring Operation: 47-6=41, Resulting Numbers: [60, 41] Generated Node #0,0,0: 37:[60, 41] Operation: 47-6=41 Exploring Operation: 60-6=54, Resulting Numbers: [47, 54] Generated Node #0,0,1: 37:[47, 54] Operation: 60-6=54 Moving to Node #0,1,0 Current State: 37:[39, 32], Operations: ['86-60=26', '6+26=32'] Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,37 unequal: No Solution Exploring Operation: 39+32=71, Resulting Numbers: [71] 71,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[26, 33], Operations: ['86-60=26', '39-6=33'] Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,37 unequal: No Solution Exploring Operation: 26+33=59, Resulting Numbers: [59] 59,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[47, 54], Operations: ['86-39=47', '60-6=54'] Exploring Operation: 47+54=101, Resulting Numbers: [101] 101,37 unequal: No Solution Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[60, 41], Operations: ['86-39=47', '47-6=41'] Exploring Operation: 60+41=101, Resulting Numbers: [101] 101,37 unequal: No Solution Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,37 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 19, 64, 47, 34 ]
21
[ "64-47=17", "34/17=2", "19+2=21" ]
Current State: 21:[19, 64, 47, 34], Operations: [] Exploring Operation: 64-47=17, Resulting Numbers: [19, 34, 17] Generated Node #2: [19, 34, 17] from Operation: 64-47=17 Current State: 21:[19, 34, 17], Operations: ['64-47=17'] Exploring Operation: 34/17=2, Resulting Numbers: [19, 2] Generated Node #3: [19, 2] from Operation: 34/17=2 Current State: 21:[19, 2], Operations: ['64-47=17', '34/17=2'] Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[19, 64, 47, 34], Operations: [] Exploring Operation: 64-47=17, Resulting Numbers: [19, 34, 17] Generated Node #0,0: 21:[19, 34, 17] Operation: 64-47=17 Exploring Operation: 47-34=13, Resulting Numbers: [19, 64, 13] Generated Node #0,1: 21:[19, 64, 13] Operation: 47-34=13 Exploring Operation: 47-19=28, Resulting Numbers: [64, 34, 28] Generated Node #0,2: 21:[64, 34, 28] Operation: 47-19=28 Exploring Operation: 64-34=30, Resulting Numbers: [19, 47, 30] Generated Node #0,3: 21:[19, 47, 30] Operation: 64-34=30 Exploring Operation: 64-19=45, Resulting Numbers: [47, 34, 45] Generated Node #0,4: 21:[47, 34, 45] Operation: 64-19=45 Moving to Node #0,0 Current State: 21:[19, 34, 17], Operations: ['64-47=17'] Exploring Operation: 34-19=15, Resulting Numbers: [17, 15] Generated Node #0,0,0: 21:[17, 15] Operation: 34-19=15 Exploring Operation: 34-17=17, Resulting Numbers: [19, 17] Generated Node #0,0,1: 21:[19, 17] Operation: 34-17=17 Exploring Operation: 19-17=2, Resulting Numbers: [34, 2] Generated Node #0,0,2: 21:[34, 2] Operation: 19-17=2 Exploring Operation: 19+17=36, Resulting Numbers: [34, 36] Generated Node #0,0,3: 21:[34, 36] Operation: 19+17=36 Exploring Operation: 34/17=2, Resulting Numbers: [19, 2] Generated Node #0,0,4: 21:[19, 2] Operation: 34/17=2 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 21:[19, 2], Operations: ['64-47=17', '34/17=2'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,21 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[19, 64, 47, 34], Operations: [] Exploring Operation: 64-47=17, Resulting Numbers: [19, 34, 17] Generated Node #0,0: 21:[19, 34, 17] Operation: 64-47=17 Moving to Node #0,0 Current State: 21:[19, 34, 17], Operations: ['64-47=17'] Exploring Operation: 34/17=2, Resulting Numbers: [19, 2] Generated Node #0,0,4: 21:[19, 2] Operation: 34/17=2 Moving to Node #0,0,4 Current State: 21:[19, 2], Operations: ['64-47=17', '34/17=2'] Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 19, 60, 46, 17 ]
53
[ "19-17=2", "60+46=106", "106/2=53" ]
Current State: 53:[19, 60, 46, 17], Operations: [] Exploring Operation: 19-17=2, Resulting Numbers: [60, 46, 2] Generated Node #2: [60, 46, 2] from Operation: 19-17=2 Current State: 53:[60, 46, 2], Operations: ['19-17=2'] Exploring Operation: 60+46=106, Resulting Numbers: [2, 106] Generated Node #3: [2, 106] from Operation: 60+46=106 Current State: 53:[2, 106], Operations: ['19-17=2', '60+46=106'] Exploring Operation: 106/2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[19, 60, 46, 17], Operations: [] Exploring Operation: 19+17=36, Resulting Numbers: [60, 46, 36] Generated Node #0,0: 53:[60, 46, 36] Operation: 19+17=36 Exploring Operation: 60-17=43, Resulting Numbers: [19, 46, 43] Generated Node #0,1: 53:[19, 46, 43] Operation: 60-17=43 Moving to Node #0,0 Current State: 53:[60, 46, 36], Operations: ['19+17=36'] Exploring Operation: 46+36=82, Resulting Numbers: [60, 82] Generated Node #0,0,0: 53:[60, 82] Operation: 46+36=82 Exploring Operation: 60-36=24, Resulting Numbers: [46, 24] Generated Node #0,0,1: 53:[46, 24] Operation: 60-36=24 Moving to Node #0,1 Current State: 53:[19, 46, 43], Operations: ['60-17=43'] Exploring Operation: 19+46=65, Resulting Numbers: [43, 65] Generated Node #0,1,0: 53:[43, 65] Operation: 19+46=65 Exploring Operation: 19+43=62, Resulting Numbers: [46, 62] Generated Node #0,1,1: 53:[46, 62] Operation: 19+43=62 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 53:[46, 62], Operations: ['60-17=43', '19+43=62'] Exploring Operation: 62-46=16, Resulting Numbers: [16] 16,53 unequal: No Solution Exploring Operation: 46+62=108, Resulting Numbers: [108] 108,53 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 #0,1,0 Current State: 53:[43, 65], Operations: ['60-17=43', '19+46=65'] Exploring Operation: 65-43=22, Resulting Numbers: [22] 22,53 unequal: No Solution Exploring Operation: 43+65=108, Resulting Numbers: [108] 108,53 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: 53:[60, 82], Operations: ['19+17=36', '46+36=82'] Exploring Operation: 60+82=142, Resulting Numbers: [142] 142,53 unequal: No Solution Exploring Operation: 82-60=22, Resulting Numbers: [22] 22,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[46, 24], Operations: ['19+17=36', '60-36=24'] Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,53 unequal: No Solution Exploring Operation: 46+24=70, Resulting Numbers: [70] 70,53 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 68, 57, 93, 13 ]
69
[ "68-57=11", "93-13=80", "80-11=69" ]
Current State: 69:[68, 57, 93, 13], Operations: [] Exploring Operation: 68-57=11, Resulting Numbers: [93, 13, 11] Generated Node #2: [93, 13, 11] from Operation: 68-57=11 Current State: 69:[93, 13, 11], Operations: ['68-57=11'] Exploring Operation: 93-13=80, Resulting Numbers: [11, 80] Generated Node #3: [11, 80] from Operation: 93-13=80 Current State: 69:[11, 80], Operations: ['68-57=11', '93-13=80'] Exploring Operation: 80-11=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[68, 57, 93, 13], Operations: [] Exploring Operation: 93-13=80, Resulting Numbers: [68, 57, 80] Generated Node #0,0: 69:[68, 57, 80] Operation: 93-13=80 Exploring Operation: 93-68=25, Resulting Numbers: [57, 13, 25] Generated Node #0,1: 69:[57, 13, 25] Operation: 93-68=25 Exploring Operation: 93-57=36, Resulting Numbers: [68, 13, 36] Generated Node #0,2: 69:[68, 13, 36] Operation: 93-57=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[68, 57, 80], Operations: ['93-13=80'] Exploring Operation: 80-57=23, Resulting Numbers: [68, 23] Generated Node #0,0,0: 69:[68, 23] Operation: 80-57=23 Exploring Operation: 80-68=12, Resulting Numbers: [57, 12] Generated Node #0,0,1: 69:[57, 12] Operation: 80-68=12 Exploring Operation: 68-57=11, Resulting Numbers: [80, 11] Generated Node #0,0,2: 69:[80, 11] Operation: 68-57=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[68, 23], Operations: ['93-13=80', '80-57=23'] Exploring Operation: 68-23=45, Resulting Numbers: [45] 45,69 unequal: No Solution Exploring Operation: 68*23=1564, Resulting Numbers: [1564] 1564,69 unequal: No Solution Exploring Operation: 68+23=91, Resulting Numbers: [91] 91,69 unequal: No Solution No 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: 69:[80, 11], Operations: ['93-13=80', '68-57=11'] Exploring Operation: 80*11=880, Resulting Numbers: [880] 880,69 unequal: No Solution Exploring Operation: 80-11=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[68, 57, 93, 13], Operations: [] Exploring Operation: 93-13=80, Resulting Numbers: [68, 57, 80] Generated Node #0,0: 69:[68, 57, 80] Operation: 93-13=80 Moving to Node #0,0 Current State: 69:[68, 57, 80], Operations: ['93-13=80'] Exploring Operation: 68-57=11, Resulting Numbers: [80, 11] Generated Node #0,0,2: 69:[80, 11] Operation: 68-57=11 Moving to Node #0,0,2 Current State: 69:[80, 11], Operations: ['93-13=80', '68-57=11'] Exploring Operation: 80-11=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 1, 12, 73, 86 ]
24
[ "12-1=11", "86-73=13", "11+13=24" ]
Current State: 24:[1, 12, 73, 86], Operations: [] Exploring Operation: 12-1=11, Resulting Numbers: [73, 86, 11] Generated Node #2: [73, 86, 11] from Operation: 12-1=11 Current State: 24:[73, 86, 11], Operations: ['12-1=11'] Exploring Operation: 86-73=13, Resulting Numbers: [11, 13] Generated Node #3: [11, 13] from Operation: 86-73=13 Current State: 24:[11, 13], Operations: ['12-1=11', '86-73=13'] Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[1, 12, 73, 86], Operations: [] Exploring Operation: 86-73=13, Resulting Numbers: [1, 12, 13] Generated Node #0,0: 24:[1, 12, 13] Operation: 86-73=13 Exploring Operation: 73-12=61, Resulting Numbers: [1, 86, 61] Generated Node #0,1: 24:[1, 86, 61] Operation: 73-12=61 Moving to Node #0,0 Current State: 24:[1, 12, 13], Operations: ['86-73=13'] Exploring Operation: 1*12=12, Resulting Numbers: [13, 12] Generated Node #0,0,0: 24:[13, 12] Operation: 1*12=12 Exploring Operation: 13-1=12, Resulting Numbers: [12, 12] Generated Node #0,0,1: 24:[12, 12] Operation: 13-1=12 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[12, 12], Operations: ['86-73=13', '13-1=12'] Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[1, 12, 73, 86], Operations: [] Exploring Operation: 86-73=13, Resulting Numbers: [1, 12, 13] Generated Node #0,0: 24:[1, 12, 13] Operation: 86-73=13 Moving to Node #0,0 Current State: 24:[1, 12, 13], Operations: ['86-73=13'] Exploring Operation: 13-1=12, Resulting Numbers: [12, 12] Generated Node #0,0,1: 24:[12, 12] Operation: 13-1=12 Moving to Node #0,0,1 Current State: 24:[12, 12], Operations: ['86-73=13', '13-1=12'] Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 7, 57, 12, 2 ]
47
[ "12-7=5", "2*5=10", "57-10=47" ]
Current State: 47:[7, 57, 12, 2], Operations: [] Exploring Operation: 12-7=5, Resulting Numbers: [57, 2, 5] Generated Node #2: [57, 2, 5] from Operation: 12-7=5 Current State: 47:[57, 2, 5], Operations: ['12-7=5'] Exploring Operation: 2*5=10, Resulting Numbers: [57, 10] Generated Node #3: [57, 10] from Operation: 2*5=10 Current State: 47:[57, 10], Operations: ['12-7=5', '2*5=10'] Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[7, 57, 12, 2], Operations: [] Exploring Operation: 57-7=50, Resulting Numbers: [12, 2, 50] Generated Node #0,0: 47:[12, 2, 50] Operation: 57-7=50 Exploring Operation: 7*2=14, Resulting Numbers: [57, 12, 14] Generated Node #0,1: 47:[57, 12, 14] Operation: 7*2=14 Exploring Operation: 12*2=24, Resulting Numbers: [7, 57, 24] Generated Node #0,2: 47:[7, 57, 24] Operation: 12*2=24 Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[7, 57, 24], Operations: ['12*2=24'] Exploring Operation: 7+57=64, Resulting Numbers: [24, 64] Generated Node #0,2,0: 47:[24, 64] Operation: 7+57=64 Exploring Operation: 57-7=50, Resulting Numbers: [24, 50] Generated Node #0,2,1: 47:[24, 50] Operation: 57-7=50 Exploring Operation: 7+24=31, Resulting Numbers: [57, 31] Generated Node #0,2,2: 47:[57, 31] Operation: 7+24=31 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 47:[24, 50], Operations: ['12*2=24', '57-7=50'] Exploring Operation: 24+50=74, Resulting Numbers: [74] 74,47 unequal: No Solution Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,47 unequal: No Solution Exploring Operation: 24*50=1200, Resulting Numbers: [1200] 1200,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 47:[57, 31], Operations: ['12*2=24', '7+24=31'] Exploring Operation: 57+31=88, Resulting Numbers: [88] 88,47 unequal: No Solution Exploring Operation: 57*31=1767, Resulting Numbers: [1767] 1767,47 unequal: No Solution Exploring Operation: 57-31=26, Resulting Numbers: [26] 26,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 47:[24, 64], Operations: ['12*2=24', '7+57=64'] Exploring Operation: 64-24=40, Resulting Numbers: [40] 40,47 unequal: No Solution Exploring Operation: 24*64=1536, Resulting Numbers: [1536] 1536,47 unequal: No Solution Exploring Operation: 24+64=88, Resulting Numbers: [88] 88,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[57, 12, 14], Operations: ['7*2=14'] Exploring Operation: 57-14=43, Resulting Numbers: [12, 43] Generated Node #0,1,0: 47:[12, 43] Operation: 57-14=43 Exploring Operation: 57-12=45, Resulting Numbers: [14, 45] Generated Node #0,1,1: 47:[14, 45] Operation: 57-12=45 Exploring Operation: 12+14=26, Resulting Numbers: [57, 26] Generated Node #0,1,2: 47:[57, 26] Operation: 12+14=26 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 47:[57, 26], Operations: ['7*2=14', '12+14=26'] Exploring Operation: 57*26=1482, Resulting Numbers: [1482] 1482,47 unequal: No Solution Exploring Operation: 57-26=31, Resulting Numbers: [31] 31,47 unequal: No Solution Exploring Operation: 57+26=83, Resulting Numbers: [83] 83,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 47:[14, 45], Operations: ['7*2=14', '57-12=45'] Exploring Operation: 14+45=59, Resulting Numbers: [59] 59,47 unequal: No Solution Exploring Operation: 14*45=630, Resulting Numbers: [630] 630,47 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 47:[12, 43], Operations: ['7*2=14', '57-14=43'] Exploring Operation: 12*43=516, Resulting Numbers: [516] 516,47 unequal: No Solution Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,47 unequal: No Solution Exploring Operation: 12+43=55, Resulting Numbers: [55] 55,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[12, 2, 50], Operations: ['57-7=50'] Exploring Operation: 50-2=48, Resulting Numbers: [12, 48] Generated Node #0,0,0: 47:[12, 48] Operation: 50-2=48 Exploring Operation: 12+2=14, Resulting Numbers: [50, 14] Generated Node #0,0,1: 47:[50, 14] Operation: 12+2=14 Exploring Operation: 12*2=24, Resulting Numbers: [50, 24] Generated Node #0,0,2: 47:[50, 24] Operation: 12*2=24 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 47:[50, 24], Operations: ['57-7=50', '12*2=24'] Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,47 unequal: No Solution Exploring Operation: 50+24=74, Resulting Numbers: [74] 74,47 unequal: No Solution Exploring Operation: 50*24=1200, Resulting Numbers: [1200] 1200,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[12, 48], Operations: ['57-7=50', '50-2=48'] Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,47 unequal: No Solution Exploring Operation: 12+48=60, Resulting Numbers: [60] 60,47 unequal: No Solution Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[50, 14], Operations: ['57-7=50', '12+2=14'] Exploring Operation: 50-14=36, Resulting Numbers: [36] 36,47 unequal: No Solution Exploring Operation: 50*14=700, Resulting Numbers: [700] 700,47 unequal: No Solution Exploring Operation: 50+14=64, Resulting Numbers: [64] 64,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 4, 25, 41, 24 ]
43
[ "41-24=17", "4*17=68", "68-25=43" ]
Current State: 43:[4, 25, 41, 24], Operations: [] Exploring Operation: 41-24=17, Resulting Numbers: [4, 25, 17] Generated Node #2: [4, 25, 17] from Operation: 41-24=17 Current State: 43:[4, 25, 17], Operations: ['41-24=17'] Exploring Operation: 4*17=68, Resulting Numbers: [25, 68] Generated Node #3: [25, 68] from Operation: 4*17=68 Current State: 43:[25, 68], Operations: ['41-24=17', '4*17=68'] Exploring Operation: 68-25=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[4, 25, 41, 24], Operations: [] Exploring Operation: 25-4=21, Resulting Numbers: [41, 24, 21] Generated Node #0,0: 43:[41, 24, 21] Operation: 25-4=21 Exploring Operation: 41-4=37, Resulting Numbers: [25, 24, 37] Generated Node #0,1: 43:[25, 24, 37] Operation: 41-4=37 Exploring Operation: 4+24=28, Resulting Numbers: [25, 41, 28] Generated Node #0,2: 43:[25, 41, 28] Operation: 4+24=28 Exploring Operation: 4+41=45, Resulting Numbers: [25, 24, 45] Generated Node #0,3: 43:[25, 24, 45] Operation: 4+41=45 Exploring Operation: 4+25=29, Resulting Numbers: [41, 24, 29] Generated Node #0,4: 43:[41, 24, 29] Operation: 4+25=29 Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[25, 41, 28], Operations: ['4+24=28'] Exploring Operation: 25+41=66, Resulting Numbers: [28, 66] Generated Node #0,2,0: 43:[28, 66] Operation: 25+41=66 Exploring Operation: 25+28=53, Resulting Numbers: [41, 53] Generated Node #0,2,1: 43:[41, 53] Operation: 25+28=53 Exploring Operation: 41+28=69, Resulting Numbers: [25, 69] Generated Node #0,2,2: 43:[25, 69] Operation: 41+28=69 Exploring Operation: 41-25=16, Resulting Numbers: [28, 16] Generated Node #0,2,3: 43:[28, 16] Operation: 41-25=16 Exploring Operation: 28-25=3, Resulting Numbers: [41, 3] Generated Node #0,2,4: 43:[41, 3] Operation: 28-25=3 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[41, 53], Operations: ['4+24=28', '25+28=53'] Exploring Operation: 41+53=94, Resulting Numbers: [94] 94,43 unequal: No Solution Exploring Operation: 41*53=2173, Resulting Numbers: [2173] 2173,43 unequal: No Solution Exploring Operation: 53-41=12, Resulting Numbers: [12] 12,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[28, 66], Operations: ['4+24=28', '25+41=66'] Exploring Operation: 28+66=94, Resulting Numbers: [94] 94,43 unequal: No Solution Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,43 unequal: No Solution Exploring Operation: 28*66=1848, Resulting Numbers: [1848] 1848,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 43:[28, 16], Operations: ['4+24=28', '41-25=16'] Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 28*16=448, Resulting Numbers: [448] 448,43 unequal: No Solution Exploring Operation: 28+16=44, Resulting Numbers: [44] 44,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 43:[41, 3], Operations: ['4+24=28', '28-25=3'] Exploring Operation: 41*3=123, Resulting Numbers: [123] 123,43 unequal: No Solution Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[25, 69], Operations: ['4+24=28', '41+28=69'] Exploring Operation: 25*69=1725, Resulting Numbers: [1725] 1725,43 unequal: No Solution Exploring Operation: 25+69=94, Resulting Numbers: [94] 94,43 unequal: No Solution Exploring Operation: 69-25=44, Resulting Numbers: [44] 44,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 43:[41, 24, 29], Operations: ['4+25=29'] Exploring Operation: 41+24=65, Resulting Numbers: [29, 65] Generated Node #0,4,0: 43:[29, 65] Operation: 41+24=65 Exploring Operation: 29-24=5, Resulting Numbers: [41, 5] Generated Node #0,4,1: 43:[41, 5] Operation: 29-24=5 Exploring Operation: 41-24=17, Resulting Numbers: [29, 17] Generated Node #0,4,2: 43:[29, 17] Operation: 41-24=17 Exploring Operation: 24+29=53, Resulting Numbers: [41, 53] Generated Node #0,4,3: 43:[41, 53] Operation: 24+29=53 Exploring Operation: 41+29=70, Resulting Numbers: [24, 70] Generated Node #0,4,4: 43:[24, 70] Operation: 41+29=70 Moving to Node #0,4,3 Current State: 43:[41, 53], Operations: ['4+25=29', '24+29=53'] Exploring Operation: 41*53=2173, Resulting Numbers: [2173] 2173,43 unequal: No Solution Exploring Operation: 53-41=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 41+53=94, Resulting Numbers: [94] 94,43 unequal: No Solution Moving to Node #0,4,0 Current State: 43:[29, 65], Operations: ['4+25=29', '41+24=65'] Exploring Operation: 29+65=94, Resulting Numbers: [94] 94,43 unequal: No Solution Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 29*65=1885, Resulting Numbers: [1885] 1885,43 unequal: No Solution Moving to Node #0,4,1 Current State: 43:[41, 5], Operations: ['4+25=29', '29-24=5'] Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 41*5=205, Resulting Numbers: [205] 205,43 unequal: No Solution Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,43 unequal: No Solution Moving to Node #0,4,2 Current State: 43:[29, 17], Operations: ['4+25=29', '41-24=17'] Exploring Operation: 29+17=46, Resulting Numbers: [46] 46,43 unequal: No Solution Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 29*17=493, Resulting Numbers: [493] 493,43 unequal: No Solution Moving to Node #0,4,4 Current State: 43:[24, 70], Operations: ['4+25=29', '41+29=70'] Exploring Operation: 24+70=94, Resulting Numbers: [94] 94,43 unequal: No Solution Exploring Operation: 24*70=1680, Resulting Numbers: [1680] 1680,43 unequal: No Solution Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[25, 24, 45], Operations: ['4+41=45'] Exploring Operation: 25+24=49, Resulting Numbers: [45, 49] Generated Node #0,3,0: 43:[45, 49] Operation: 25+24=49 Exploring Operation: 25-24=1, Resulting Numbers: [45, 1] Generated Node #0,3,1: 43:[45, 1] Operation: 25-24=1 Exploring Operation: 45-25=20, Resulting Numbers: [24, 20] Generated Node #0,3,2: 43:[24, 20] Operation: 45-25=20 Exploring Operation: 24+45=69, Resulting Numbers: [25, 69] Generated Node #0,3,3: 43:[25, 69] Operation: 24+45=69 Exploring Operation: 45-24=21, Resulting Numbers: [25, 21] Generated Node #0,3,4: 43:[25, 21] Operation: 45-24=21 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 43:[45, 49], Operations: ['4+41=45', '25+24=49'] Exploring Operation: 45+49=94, Resulting Numbers: [94] 94,43 unequal: No Solution Exploring Operation: 45*49=2205, Resulting Numbers: [2205] 2205,43 unequal: No Solution Exploring Operation: 49-45=4, Resulting Numbers: [4] 4,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 43:[25, 21], Operations: ['4+41=45', '45-24=21'] Exploring Operation: 25-21=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 25*21=525, Resulting Numbers: [525] 525,43 unequal: No Solution Exploring Operation: 25+21=46, Resulting Numbers: [46] 46,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 43:[24, 20], Operations: ['4+41=45', '45-25=20'] Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 24*20=480, Resulting Numbers: [480] 480,43 unequal: No Solution Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 43:[45, 1], Operations: ['4+41=45', '25-24=1'] Exploring Operation: 45+1=46, Resulting Numbers: [46] 46,43 unequal: No Solution Exploring Operation: 45*1=45, Resulting Numbers: [45] 45,43 unequal: No Solution Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,43 unequal: No Solution Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 43:[25, 69], Operations: ['4+41=45', '24+45=69'] Exploring Operation: 25*69=1725, Resulting Numbers: [1725] 1725,43 unequal: No Solution Exploring Operation: 25+69=94, Resulting Numbers: [94] 94,43 unequal: No Solution Exploring Operation: 69-25=44, Resulting Numbers: [44] 44,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[41, 24, 21], Operations: ['25-4=21'] Exploring Operation: 41+21=62, Resulting Numbers: [24, 62] Generated Node #0,0,0: 43:[24, 62] Operation: 41+21=62 Exploring Operation: 41+24=65, Resulting Numbers: [21, 65] Generated Node #0,0,1: 43:[21, 65] Operation: 41+24=65 Exploring Operation: 24-21=3, Resulting Numbers: [41, 3] Generated Node #0,0,2: 43:[41, 3] Operation: 24-21=3 Exploring Operation: 41-21=20, Resulting Numbers: [24, 20] Generated Node #0,0,3: 43:[24, 20] Operation: 41-21=20 Exploring Operation: 24+21=45, Resulting Numbers: [41, 45] Generated Node #0,0,4: 43:[41, 45] Operation: 24+21=45 Moving to Node #0,0,4 Current State: 43:[41, 45], Operations: ['25-4=21', '24+21=45'] Exploring Operation: 41*45=1845, Resulting Numbers: [1845] 1845,43 unequal: No Solution Exploring Operation: 45-41=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 41+45=86, Resulting Numbers: [86] 86,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[24, 62], Operations: ['25-4=21', '41+21=62'] Exploring Operation: 24+62=86, Resulting Numbers: [86] 86,43 unequal: No Solution Exploring Operation: 24*62=1488, Resulting Numbers: [1488] 1488,43 unequal: No Solution Exploring Operation: 62-24=38, Resulting Numbers: [38] 38,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[41, 3], Operations: ['25-4=21', '24-21=3'] Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 41*3=123, Resulting Numbers: [123] 123,43 unequal: No Solution Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,43 unequal: No Solution Moving to Node #0,0,3 Current State: 43:[24, 20], Operations: ['25-4=21', '41-21=20'] Exploring Operation: 24*20=480, Resulting Numbers: [480] 480,43 unequal: No Solution Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,43 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[21, 65], Operations: ['25-4=21', '41+24=65'] Exploring Operation: 21+65=86, Resulting Numbers: [86] 86,43 unequal: No Solution Exploring Operation: 21*65=1365, Resulting Numbers: [1365] 1365,43 unequal: No Solution Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[25, 24, 37], Operations: ['41-4=37'] Exploring Operation: 25+37=62, Resulting Numbers: [24, 62] Generated Node #0,1,0: 43:[24, 62] Operation: 25+37=62 Exploring Operation: 25-24=1, Resulting Numbers: [37, 1] Generated Node #0,1,1: 43:[37, 1] Operation: 25-24=1 Exploring Operation: 25+24=49, Resulting Numbers: [37, 49] Generated Node #0,1,2: 43:[37, 49] Operation: 25+24=49 Exploring Operation: 37-24=13, Resulting Numbers: [25, 13] Generated Node #0,1,3: 43:[25, 13] Operation: 37-24=13 Exploring Operation: 24+37=61, Resulting Numbers: [25, 61] Generated Node #0,1,4: 43:[25, 61] Operation: 24+37=61 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 43:[37, 49], Operations: ['41-4=37', '25+24=49'] Exploring Operation: 37+49=86, Resulting Numbers: [86] 86,43 unequal: No Solution Exploring Operation: 37*49=1813, Resulting Numbers: [1813] 1813,43 unequal: No Solution Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 43:[25, 61], Operations: ['41-4=37', '24+37=61'] Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 25+61=86, Resulting Numbers: [86] 86,43 unequal: No Solution Exploring Operation: 25*61=1525, Resulting Numbers: [1525] 1525,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[24, 62], Operations: ['41-4=37', '25+37=62'] Exploring Operation: 62-24=38, Resulting Numbers: [38] 38,43 unequal: No Solution Exploring Operation: 24+62=86, Resulting Numbers: [86] 86,43 unequal: No Solution Exploring Operation: 24*62=1488, Resulting Numbers: [1488] 1488,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[37, 1], Operations: ['41-4=37', '25-24=1'] Exploring Operation: 37*1=37, Resulting Numbers: [37] 37,43 unequal: No Solution Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,43 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 37+1=38, Resulting Numbers: [38] 38,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 43:[25, 13], Operations: ['41-4=37', '37-24=13'] Exploring Operation: 25*13=325, Resulting Numbers: [325] 325,43 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 25+13=38, Resulting Numbers: [38] 38,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 83, 90, 2, 43 ]
38
[ "90-83=7", "2+43=45", "45-7=38" ]
Current State: 38:[83, 90, 2, 43], Operations: [] Exploring Operation: 90-83=7, Resulting Numbers: [2, 43, 7] Generated Node #2: [2, 43, 7] from Operation: 90-83=7 Current State: 38:[2, 43, 7], Operations: ['90-83=7'] Exploring Operation: 2+43=45, Resulting Numbers: [7, 45] Generated Node #3: [7, 45] from Operation: 2+43=45 Current State: 38:[7, 45], Operations: ['90-83=7', '2+43=45'] Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[83, 90, 2, 43], Operations: [] Exploring Operation: 90-83=7, Resulting Numbers: [2, 43, 7] Generated Node #0,0: 38:[2, 43, 7] Operation: 90-83=7 Exploring Operation: 83-43=40, Resulting Numbers: [90, 2, 40] Generated Node #0,1: 38:[90, 2, 40] Operation: 83-43=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[2, 43, 7], Operations: ['90-83=7'] Exploring Operation: 43-2=41, Resulting Numbers: [7, 41] Generated Node #0,0,0: 38:[7, 41] Operation: 43-2=41 Exploring Operation: 43-7=36, Resulting Numbers: [2, 36] Generated Node #0,0,1: 38:[2, 36] Operation: 43-7=36 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 38:[2, 36], Operations: ['90-83=7', '43-7=36'] Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[83, 90, 2, 43], Operations: [] Exploring Operation: 90-83=7, Resulting Numbers: [2, 43, 7] Generated Node #0,0: 38:[2, 43, 7] Operation: 90-83=7 Moving to Node #0,0 Current State: 38:[2, 43, 7], Operations: ['90-83=7'] Exploring Operation: 43-7=36, Resulting Numbers: [2, 36] Generated Node #0,0,1: 38:[2, 36] Operation: 43-7=36 Moving to Node #0,0,1 Current State: 38:[2, 36], Operations: ['90-83=7', '43-7=36'] Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 83, 75, 97, 68 ]
98
[ "97-83=14", "75-68=7", "14*7=98" ]
Current State: 98:[83, 75, 97, 68], Operations: [] Exploring Operation: 97-83=14, Resulting Numbers: [75, 68, 14] Generated Node #2: [75, 68, 14] from Operation: 97-83=14 Current State: 98:[75, 68, 14], Operations: ['97-83=14'] Exploring Operation: 75-68=7, Resulting Numbers: [14, 7] Generated Node #3: [14, 7] from Operation: 75-68=7 Current State: 98:[14, 7], Operations: ['97-83=14', '75-68=7'] Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[83, 75, 97, 68], Operations: [] Exploring Operation: 83-75=8, Resulting Numbers: [97, 68, 8] Generated Node #0,0: 98:[97, 68, 8] Operation: 83-75=8 Exploring Operation: 75-68=7, Resulting Numbers: [83, 97, 7] Generated Node #0,1: 98:[83, 97, 7] Operation: 75-68=7 Exploring Operation: 83-68=15, Resulting Numbers: [75, 97, 15] Generated Node #0,2: 98:[75, 97, 15] Operation: 83-68=15 Moving to Node #0,1 Current State: 98:[83, 97, 7], Operations: ['75-68=7'] Exploring Operation: 97-83=14, Resulting Numbers: [7, 14] Generated Node #0,1,0: 98:[7, 14] Operation: 97-83=14 Exploring Operation: 83+7=90, Resulting Numbers: [97, 90] Generated Node #0,1,1: 98:[97, 90] Operation: 83+7=90 Exploring Operation: 97+7=104, Resulting Numbers: [83, 104] Generated Node #0,1,2: 98:[83, 104] Operation: 97+7=104 Moving to Node #0,0 Current State: 98:[97, 68, 8], Operations: ['83-75=8'] Exploring Operation: 68+8=76, Resulting Numbers: [97, 76] Generated Node #0,0,0: 98:[97, 76] Operation: 68+8=76 Exploring Operation: 97-68=29, Resulting Numbers: [8, 29] Generated Node #0,0,1: 98:[8, 29] Operation: 97-68=29 Exploring Operation: 68-8=60, Resulting Numbers: [97, 60] Generated Node #0,0,2: 98:[97, 60] Operation: 68-8=60 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 98:[97, 60], Operations: ['83-75=8', '68-8=60'] Exploring Operation: 97-60=37, Resulting Numbers: [37] 37,98 unequal: No Solution Exploring Operation: 97+60=157, Resulting Numbers: [157] 157,98 unequal: No Solution Exploring Operation: 97*60=5820, Resulting Numbers: [5820] 5820,98 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 #0,0,1 Current State: 98:[8, 29], Operations: ['83-75=8', '97-68=29'] Exploring Operation: 8*29=232, Resulting Numbers: [232] 232,98 unequal: No Solution Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,98 unequal: No Solution Exploring Operation: 8+29=37, Resulting Numbers: [37] 37,98 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 #0,0,0 Current State: 98:[97, 76], Operations: ['83-75=8', '68+8=76'] Exploring Operation: 97+76=173, Resulting Numbers: [173] 173,98 unequal: No Solution Exploring Operation: 97*76=7372, Resulting Numbers: [7372] 7372,98 unequal: No Solution Exploring Operation: 97-76=21, Resulting Numbers: [21] 21,98 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: 98:[75, 97, 15], Operations: ['83-68=15'] Exploring Operation: 75/15=5, Resulting Numbers: [97, 5] Generated Node #0,2,0: 98:[97, 5] Operation: 75/15=5 Exploring Operation: 75+15=90, Resulting Numbers: [97, 90] Generated Node #0,2,1: 98:[97, 90] Operation: 75+15=90 Exploring Operation: 97-75=22, Resulting Numbers: [15, 22] Generated Node #0,2,2: 98:[15, 22] Operation: 97-75=22 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 98:[97, 5], Operations: ['83-68=15', '75/15=5'] Exploring Operation: 97*5=485, Resulting Numbers: [485] 485,98 unequal: No Solution Exploring Operation: 97-5=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 97+5=102, Resulting Numbers: [102] 102,98 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 #0,2,1 Current State: 98:[97, 90], Operations: ['83-68=15', '75+15=90'] Exploring Operation: 97*90=8730, Resulting Numbers: [8730] 8730,98 unequal: No Solution Exploring Operation: 97-90=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 97+90=187, Resulting Numbers: [187] 187,98 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 #0,2,2 Current State: 98:[15, 22], Operations: ['83-68=15', '97-75=22'] Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 15*22=330, Resulting Numbers: [330] 330,98 unequal: No Solution Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,98 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: 98:[7, 14], Operations: ['75-68=7', '97-83=14'] Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[83, 75, 97, 68], Operations: [] Exploring Operation: 75-68=7, Resulting Numbers: [83, 97, 7] Generated Node #0,1: 98:[83, 97, 7] Operation: 75-68=7 Moving to Node #0,1 Current State: 98:[83, 97, 7], Operations: ['75-68=7'] Exploring Operation: 97-83=14, Resulting Numbers: [7, 14] Generated Node #0,1,0: 98:[7, 14] Operation: 97-83=14 Moving to Node #0,1,0 Current State: 98:[7, 14], Operations: ['75-68=7', '97-83=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
0.967882
hs_3
mult_heuristic
[ 39, 10, 40, 28 ]
15
[ "39-28=11", "40/10=4", "11+4=15" ]
Current State: 15:[39, 10, 40, 28], Operations: [] Exploring Operation: 39-28=11, Resulting Numbers: [10, 40, 11] Generated Node #2: [10, 40, 11] from Operation: 39-28=11 Current State: 15:[10, 40, 11], Operations: ['39-28=11'] Exploring Operation: 40/10=4, Resulting Numbers: [11, 4] Generated Node #3: [11, 4] from Operation: 40/10=4 Current State: 15:[11, 4], Operations: ['39-28=11', '40/10=4'] Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[39, 10, 40, 28], Operations: [] Exploring Operation: 40-39=1, Resulting Numbers: [10, 28, 1] Generated Node #0,0: 15:[10, 28, 1] Operation: 40-39=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[10, 28, 1], Operations: ['40-39=1'] Exploring Operation: 28-10=18, Resulting Numbers: [1, 18] Generated Node #0,0,0: 15:[1, 18] Operation: 28-10=18 Moving to Node #0,0,0 Current State: 15:[1, 18], Operations: ['40-39=1', '28-10=18'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 2, 19, 85, 87 ]
20
[ "2+85=87", "87/87=1", "19+1=20" ]
Current State: 20:[2, 19, 85, 87], Operations: [] Exploring Operation: 2+85=87, Resulting Numbers: [19, 87, 87] Generated Node #2: [19, 87, 87] from Operation: 2+85=87 Current State: 20:[19, 87, 87], Operations: ['2+85=87'] Exploring Operation: 87/87=1, Resulting Numbers: [19, 1] Generated Node #3: [19, 1] from Operation: 87/87=1 Current State: 20:[19, 1], Operations: ['2+85=87', '87/87=1'] Exploring Operation: 19+1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[2, 19, 85, 87], Operations: [] Exploring Operation: 87-85=2, Resulting Numbers: [2, 19, 2] Generated Node #0,0: 20:[2, 19, 2] Operation: 87-85=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[2, 19, 2], Operations: ['87-85=2'] Exploring Operation: 2+19=21, Resulting Numbers: [2, 21] Generated Node #0,0,0: 20:[2, 21] Operation: 2+19=21 Moving to Node #0,0,0 Current State: 20:[2, 21], Operations: ['87-85=2', '2+19=21'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,20 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
[ 19, 4, 72, 25 ]
25
[ "72/4=18", "19-18=1", "25*1=25" ]
Current State: 25:[19, 4, 72, 25], Operations: [] Exploring Operation: 72/4=18, Resulting Numbers: [19, 25, 18] Generated Node #2: [19, 25, 18] from Operation: 72/4=18 Current State: 25:[19, 25, 18], Operations: ['72/4=18'] Exploring Operation: 19-18=1, Resulting Numbers: [25, 1] Generated Node #3: [25, 1] from Operation: 19-18=1 Current State: 25:[25, 1], Operations: ['72/4=18', '19-18=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[19, 4, 72, 25], Operations: [] Exploring Operation: 72/4=18, Resulting Numbers: [19, 25, 18] Generated Node #0,0: 25:[19, 25, 18] Operation: 72/4=18 Moving to Node #0,0 Current State: 25:[19, 25, 18], Operations: ['72/4=18'] Exploring Operation: 19-18=1, Resulting Numbers: [25, 1] Generated Node #0,0,0: 25:[25, 1] Operation: 19-18=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[25, 1], Operations: ['72/4=18', '19-18=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[19, 4, 72, 25], Operations: [] Exploring Operation: 72/4=18, Resulting Numbers: [19, 25, 18] Generated Node #0,0: 25:[19, 25, 18] Operation: 72/4=18 Moving to Node #0,0 Current State: 25:[19, 25, 18], Operations: ['72/4=18'] Exploring Operation: 19-18=1, Resulting Numbers: [25, 1] Generated Node #0,0,0: 25:[25, 1] Operation: 19-18=1 Moving to Node #0,0,0 Current State: 25:[25, 1], Operations: ['72/4=18', '19-18=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 35, 97, 6, 32 ]
99
[ "35-32=3", "6/3=2", "97+2=99" ]
Current State: 99:[35, 97, 6, 32], Operations: [] Exploring Operation: 35-32=3, Resulting Numbers: [97, 6, 3] Generated Node #2: [97, 6, 3] from Operation: 35-32=3 Current State: 99:[97, 6, 3], Operations: ['35-32=3'] Exploring Operation: 6/3=2, Resulting Numbers: [97, 2] Generated Node #3: [97, 2] from Operation: 6/3=2 Current State: 99:[97, 2], Operations: ['35-32=3', '6/3=2'] Exploring Operation: 97+2=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[35, 97, 6, 32], Operations: [] Exploring Operation: 35-32=3, Resulting Numbers: [97, 6, 3] Generated Node #0,0: 99:[97, 6, 3] Operation: 35-32=3 Exploring Operation: 35-6=29, Resulting Numbers: [97, 32, 29] Generated Node #0,1: 99:[97, 32, 29] Operation: 35-6=29 Moving to Node #0,0 Current State: 99:[97, 6, 3], Operations: ['35-32=3'] Exploring Operation: 6+3=9, Resulting Numbers: [97, 9] Generated Node #0,0,0: 99:[97, 9] Operation: 6+3=9 Exploring Operation: 6-3=3, Resulting Numbers: [97, 3] Generated Node #0,0,1: 99:[97, 3] Operation: 6-3=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[97, 9], Operations: ['35-32=3', '6+3=9'] Exploring Operation: 97-9=88, Resulting Numbers: [88] 88,99 unequal: No Solution Exploring Operation: 97+9=106, Resulting Numbers: [106] 106,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[97, 3], Operations: ['35-32=3', '6-3=3'] Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,99 unequal: No Solution Exploring Operation: 97-3=94, Resulting Numbers: [94] 94,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 99:[97, 32, 29], Operations: ['35-6=29'] Exploring Operation: 97+29=126, Resulting Numbers: [32, 126] Generated Node #0,1,0: 99:[32, 126] Operation: 97+29=126 Exploring Operation: 32-29=3, Resulting Numbers: [97, 3] Generated Node #0,1,1: 99:[97, 3] Operation: 32-29=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 99:[97, 3], Operations: ['35-6=29', '32-29=3'] Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,99 unequal: No Solution Exploring Operation: 97-3=94, Resulting Numbers: [94] 94,99 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:[32, 126], Operations: ['35-6=29', '97+29=126'] Exploring Operation: 32+126=158, Resulting Numbers: [158] 158,99 unequal: No Solution Exploring Operation: 126-32=94, Resulting Numbers: [94] 94,99 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
[ 21, 9, 20, 22 ]
12
[ "21+9=30", "20+22=42", "42-30=12" ]
Current State: 12:[21, 9, 20, 22], Operations: [] Exploring Operation: 21+9=30, Resulting Numbers: [20, 22, 30] Generated Node #2: [20, 22, 30] from Operation: 21+9=30 Current State: 12:[20, 22, 30], Operations: ['21+9=30'] Exploring Operation: 20+22=42, Resulting Numbers: [30, 42] Generated Node #3: [30, 42] from Operation: 20+22=42 Current State: 12:[30, 42], Operations: ['21+9=30', '20+22=42'] Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[21, 9, 20, 22], Operations: [] Exploring Operation: 22-21=1, Resulting Numbers: [9, 20, 1] Generated Node #0,0: 12:[9, 20, 1] Operation: 22-21=1 Exploring Operation: 22-20=2, Resulting Numbers: [21, 9, 2] Generated Node #0,1: 12:[21, 9, 2] Operation: 22-20=2 Exploring Operation: 21-20=1, Resulting Numbers: [9, 22, 1] Generated Node #0,2: 12:[9, 22, 1] Operation: 21-20=1 Exploring Operation: 21-9=12, Resulting Numbers: [20, 22, 12] Generated Node #0,3: 12:[20, 22, 12] Operation: 21-9=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[9, 20, 1], Operations: ['22-21=1'] Exploring Operation: 20-9=11, Resulting Numbers: [1, 11] Generated Node #0,0,0: 12:[1, 11] Operation: 20-9=11 Exploring Operation: 9-1=8, Resulting Numbers: [20, 8] Generated Node #0,0,1: 12:[20, 8] Operation: 9-1=8 Exploring Operation: 9+1=10, Resulting Numbers: [20, 10] Generated Node #0,0,2: 12:[20, 10] Operation: 9+1=10 Exploring Operation: 20-1=19, Resulting Numbers: [9, 19] Generated Node #0,0,3: 12:[9, 19] Operation: 20-1=19 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[1, 11], Operations: ['22-21=1', '20-9=11'] Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,12 unequal: No Solution Exploring Operation: 1*11=11, Resulting Numbers: [11] 11,12 unequal: No Solution Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[21, 9, 20, 22], Operations: [] Exploring Operation: 22-21=1, Resulting Numbers: [9, 20, 1] Generated Node #0,0: 12:[9, 20, 1] Operation: 22-21=1 Moving to Node #0,0 Current State: 12:[9, 20, 1], Operations: ['22-21=1'] Exploring Operation: 20-9=11, Resulting Numbers: [1, 11] Generated Node #0,0,0: 12:[1, 11] Operation: 20-9=11 Moving to Node #0,0,0 Current State: 12:[1, 11], Operations: ['22-21=1', '20-9=11'] Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 29, 54, 1, 52 ]
59
[ "54-52=2", "29*2=58", "1+58=59" ]
Current State: 59:[29, 54, 1, 52], Operations: [] Exploring Operation: 54-52=2, Resulting Numbers: [29, 1, 2] Generated Node #2: [29, 1, 2] from Operation: 54-52=2 Current State: 59:[29, 1, 2], Operations: ['54-52=2'] Exploring Operation: 29*2=58, Resulting Numbers: [1, 58] Generated Node #3: [1, 58] from Operation: 29*2=58 Current State: 59:[1, 58], Operations: ['54-52=2', '29*2=58'] Exploring Operation: 1+58=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[29, 54, 1, 52], Operations: [] Exploring Operation: 29*1=29, Resulting Numbers: [54, 52, 29] Generated Node #0,0: 59:[54, 52, 29] Operation: 29*1=29 Exploring Operation: 29+1=30, Resulting Numbers: [54, 52, 30] Generated Node #0,1: 59:[54, 52, 30] Operation: 29+1=30 Exploring Operation: 54+1=55, Resulting Numbers: [29, 52, 55] Generated Node #0,2: 59:[29, 52, 55] Operation: 54+1=55 Exploring Operation: 29/1=29, Resulting Numbers: [54, 52, 29] Generated Node #0,3: 59:[54, 52, 29] Operation: 29/1=29 Exploring Operation: 1+52=53, Resulting Numbers: [29, 54, 53] Generated Node #0,4: 59:[29, 54, 53] Operation: 1+52=53 Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[54, 52, 30], Operations: ['29+1=30'] Exploring Operation: 52-30=22, Resulting Numbers: [54, 22] Generated Node #0,1,0: 59:[54, 22] Operation: 52-30=22 Exploring Operation: 54+52=106, Resulting Numbers: [30, 106] Generated Node #0,1,1: 59:[30, 106] Operation: 54+52=106 Exploring Operation: 54+30=84, Resulting Numbers: [52, 84] Generated Node #0,1,2: 59:[52, 84] Operation: 54+30=84 Exploring Operation: 54-30=24, Resulting Numbers: [52, 24] Generated Node #0,1,3: 59:[52, 24] Operation: 54-30=24 Exploring Operation: 52+30=82, Resulting Numbers: [54, 82] Generated Node #0,1,4: 59:[54, 82] Operation: 52+30=82 Moving to Node #0,1,4 Current State: 59:[54, 82], Operations: ['29+1=30', '52+30=82'] Exploring Operation: 54+82=136, Resulting Numbers: [136] 136,59 unequal: No Solution Exploring Operation: 54*82=4428, Resulting Numbers: [4428] 4428,59 unequal: No Solution Exploring Operation: 82-54=28, Resulting Numbers: [28] 28,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[52, 84], Operations: ['29+1=30', '54+30=84'] Exploring Operation: 52*84=4368, Resulting Numbers: [4368] 4368,59 unequal: No Solution Exploring Operation: 52+84=136, Resulting Numbers: [136] 136,59 unequal: No Solution Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[54, 22], Operations: ['29+1=30', '52-30=22'] Exploring Operation: 54-22=32, Resulting Numbers: [32] 32,59 unequal: No Solution Exploring Operation: 54*22=1188, Resulting Numbers: [1188] 1188,59 unequal: No Solution Exploring Operation: 54+22=76, Resulting Numbers: [76] 76,59 unequal: No Solution Moving to Node #0,1,3 Current State: 59:[52, 24], Operations: ['29+1=30', '54-30=24'] Exploring Operation: 52*24=1248, Resulting Numbers: [1248] 1248,59 unequal: No Solution Exploring Operation: 52-24=28, Resulting Numbers: [28] 28,59 unequal: No Solution Exploring Operation: 52+24=76, Resulting Numbers: [76] 76,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[30, 106], Operations: ['29+1=30', '54+52=106'] Exploring Operation: 106-30=76, Resulting Numbers: [76] 76,59 unequal: No Solution Exploring Operation: 30*106=3180, Resulting Numbers: [3180] 3180,59 unequal: No Solution Exploring Operation: 30+106=136, Resulting Numbers: [136] 136,59 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 #0,2 Current State: 59:[29, 52, 55], Operations: ['54+1=55'] Exploring Operation: 52+55=107, Resulting Numbers: [29, 107] Generated Node #0,2,0: 59:[29, 107] Operation: 52+55=107 Exploring Operation: 55-29=26, Resulting Numbers: [52, 26] Generated Node #0,2,1: 59:[52, 26] Operation: 55-29=26 Exploring Operation: 52-29=23, Resulting Numbers: [55, 23] Generated Node #0,2,2: 59:[55, 23] Operation: 52-29=23 Exploring Operation: 29+55=84, Resulting Numbers: [52, 84] Generated Node #0,2,3: 59:[52, 84] Operation: 29+55=84 Exploring Operation: 29+52=81, Resulting Numbers: [55, 81] Generated Node #0,2,4: 59:[55, 81] Operation: 29+52=81 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 59:[55, 81], Operations: ['54+1=55', '29+52=81'] Exploring Operation: 55+81=136, Resulting Numbers: [136] 136,59 unequal: No Solution Exploring Operation: 81-55=26, Resulting Numbers: [26] 26,59 unequal: No Solution Exploring Operation: 55*81=4455, Resulting Numbers: [4455] 4455,59 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 #0,2,3 Current State: 59:[52, 84], Operations: ['54+1=55', '29+55=84'] Exploring Operation: 52+84=136, Resulting Numbers: [136] 136,59 unequal: No Solution Exploring Operation: 52*84=4368, Resulting Numbers: [4368] 4368,59 unequal: No Solution Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,59 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 #0,2,1 Current State: 59:[52, 26], Operations: ['54+1=55', '55-29=26'] Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,59 unequal: No Solution Exploring Operation: 52+26=78, Resulting Numbers: [78] 78,59 unequal: No Solution Exploring Operation: 52*26=1352, Resulting Numbers: [1352] 1352,59 unequal: No Solution Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,59 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:[55, 23], Operations: ['54+1=55', '52-29=23'] Exploring Operation: 55*23=1265, Resulting Numbers: [1265] 1265,59 unequal: No Solution Exploring Operation: 55-23=32, Resulting Numbers: [32] 32,59 unequal: No Solution Exploring Operation: 55+23=78, Resulting Numbers: [78] 78,59 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:[29, 107], Operations: ['54+1=55', '52+55=107'] Exploring Operation: 107-29=78, Resulting Numbers: [78] 78,59 unequal: No Solution Exploring Operation: 29+107=136, Resulting Numbers: [136] 136,59 unequal: No Solution Exploring Operation: 29*107=3103, Resulting Numbers: [3103] 3103,59 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 #0,4 Current State: 59:[29, 54, 53], Operations: ['1+52=53'] Exploring Operation: 29+53=82, Resulting Numbers: [54, 82] Generated Node #0,4,0: 59:[54, 82] Operation: 29+53=82 Exploring Operation: 53-29=24, Resulting Numbers: [54, 24] Generated Node #0,4,1: 59:[54, 24] Operation: 53-29=24 Exploring Operation: 54+53=107, Resulting Numbers: [29, 107] Generated Node #0,4,2: 59:[29, 107] Operation: 54+53=107 Exploring Operation: 54-29=25, Resulting Numbers: [53, 25] Generated Node #0,4,3: 59:[53, 25] Operation: 54-29=25 Exploring Operation: 29+54=83, Resulting Numbers: [53, 83] Generated Node #0,4,4: 59:[53, 83] Operation: 29+54=83 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 59:[54, 82], Operations: ['1+52=53', '29+53=82'] Exploring Operation: 82-54=28, Resulting Numbers: [28] 28,59 unequal: No Solution Exploring Operation: 54+82=136, Resulting Numbers: [136] 136,59 unequal: No Solution Exploring Operation: 54*82=4428, Resulting Numbers: [4428] 4428,59 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 #0,4,4 Current State: 59:[53, 83], Operations: ['1+52=53', '29+54=83'] Exploring Operation: 53+83=136, Resulting Numbers: [136] 136,59 unequal: No Solution Exploring Operation: 53*83=4399, Resulting Numbers: [4399] 4399,59 unequal: No Solution Exploring Operation: 83-53=30, Resulting Numbers: [30] 30,59 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 #0,4,1 Current State: 59:[54, 24], Operations: ['1+52=53', '53-29=24'] Exploring Operation: 54-24=30, Resulting Numbers: [30] 30,59 unequal: No Solution Exploring Operation: 54+24=78, Resulting Numbers: [78] 78,59 unequal: No Solution Exploring Operation: 54*24=1296, Resulting Numbers: [1296] 1296,59 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 #0,4,3 Current State: 59:[53, 25], Operations: ['1+52=53', '54-29=25'] Exploring Operation: 53+25=78, Resulting Numbers: [78] 78,59 unequal: No Solution Exploring Operation: 53*25=1325, Resulting Numbers: [1325] 1325,59 unequal: No Solution Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,59 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 #0,4,2 Current State: 59:[29, 107], Operations: ['1+52=53', '54+53=107'] Exploring Operation: 29+107=136, Resulting Numbers: [136] 136,59 unequal: No Solution Exploring Operation: 107-29=78, Resulting Numbers: [78] 78,59 unequal: No Solution Exploring Operation: 29*107=3103, Resulting Numbers: [3103] 3103,59 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:[54, 52, 29], Operations: ['29*1=29'] Exploring Operation: 54-29=25, Resulting Numbers: [52, 25] Generated Node #0,0,0: 59:[52, 25] Operation: 54-29=25 Exploring Operation: 54+52=106, Resulting Numbers: [29, 106] Generated Node #0,0,1: 59:[29, 106] Operation: 54+52=106 Exploring Operation: 52-29=23, Resulting Numbers: [54, 23] Generated Node #0,0,2: 59:[54, 23] Operation: 52-29=23 Exploring Operation: 54+29=83, Resulting Numbers: [52, 83] Generated Node #0,0,3: 59:[52, 83] Operation: 54+29=83 Exploring Operation: 52+29=81, Resulting Numbers: [54, 81] Generated Node #0,0,4: 59:[54, 81] Operation: 52+29=81 Moving to Node #0,0,4 Current State: 59:[54, 81], Operations: ['29*1=29', '52+29=81'] Exploring Operation: 54+81=135, Resulting Numbers: [135] 135,59 unequal: No Solution Exploring Operation: 81-54=27, Resulting Numbers: [27] 27,59 unequal: No Solution Exploring Operation: 54*81=4374, Resulting Numbers: [4374] 4374,59 unequal: No Solution Moving to Node #0,0,3 Current State: 59:[52, 83], Operations: ['29*1=29', '54+29=83'] Exploring Operation: 52+83=135, Resulting Numbers: [135] 135,59 unequal: No Solution Exploring Operation: 83-52=31, Resulting Numbers: [31] 31,59 unequal: No Solution Exploring Operation: 52*83=4316, Resulting Numbers: [4316] 4316,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[52, 25], Operations: ['29*1=29', '54-29=25'] Exploring Operation: 52+25=77, Resulting Numbers: [77] 77,59 unequal: No Solution Exploring Operation: 52*25=1300, Resulting Numbers: [1300] 1300,59 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[54, 23], Operations: ['29*1=29', '52-29=23'] Exploring Operation: 54*23=1242, Resulting Numbers: [1242] 1242,59 unequal: No Solution Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,59 unequal: No Solution Exploring Operation: 54+23=77, Resulting Numbers: [77] 77,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[29, 106], Operations: ['29*1=29', '54+52=106'] Exploring Operation: 29*106=3074, Resulting Numbers: [3074] 3074,59 unequal: No Solution Exploring Operation: 29+106=135, Resulting Numbers: [135] 135,59 unequal: No Solution Exploring Operation: 106-29=77, Resulting Numbers: [77] 77,59 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 #0,3 Current State: 59:[54, 52, 29], Operations: ['29/1=29'] Exploring Operation: 54+29=83, Resulting Numbers: [52, 83] Generated Node #0,3,0: 59:[52, 83] Operation: 54+29=83 Exploring Operation: 54+52=106, Resulting Numbers: [29, 106] Generated Node #0,3,1: 59:[29, 106] Operation: 54+52=106 Exploring Operation: 54-29=25, Resulting Numbers: [52, 25] Generated Node #0,3,2: 59:[52, 25] Operation: 54-29=25 Exploring Operation: 52-29=23, Resulting Numbers: [54, 23] Generated Node #0,3,3: 59:[54, 23] Operation: 52-29=23 Exploring Operation: 52+29=81, Resulting Numbers: [54, 81] Generated Node #0,3,4: 59:[54, 81] Operation: 52+29=81 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 59:[54, 81], Operations: ['29/1=29', '52+29=81'] Exploring Operation: 81-54=27, Resulting Numbers: [27] 27,59 unequal: No Solution Exploring Operation: 54+81=135, Resulting Numbers: [135] 135,59 unequal: No Solution Exploring Operation: 54*81=4374, Resulting Numbers: [4374] 4374,59 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 #0,3,0 Current State: 59:[52, 83], Operations: ['29/1=29', '54+29=83'] Exploring Operation: 52*83=4316, Resulting Numbers: [4316] 4316,59 unequal: No Solution Exploring Operation: 52+83=135, Resulting Numbers: [135] 135,59 unequal: No Solution Exploring Operation: 83-52=31, Resulting Numbers: [31] 31,59 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 #0,3,2 Current State: 59:[52, 25], Operations: ['29/1=29', '54-29=25'] Exploring Operation: 52+25=77, Resulting Numbers: [77] 77,59 unequal: No Solution Exploring Operation: 52*25=1300, Resulting Numbers: [1300] 1300,59 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,59 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 #0,3,3 Current State: 59:[54, 23], Operations: ['29/1=29', '52-29=23'] Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,59 unequal: No Solution Exploring Operation: 54+23=77, Resulting Numbers: [77] 77,59 unequal: No Solution Exploring Operation: 54*23=1242, Resulting Numbers: [1242] 1242,59 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 #0,3,1 Current State: 59:[29, 106], Operations: ['29/1=29', '54+52=106'] Exploring Operation: 29+106=135, Resulting Numbers: [135] 135,59 unequal: No Solution Exploring Operation: 29*106=3074, Resulting Numbers: [3074] 3074,59 unequal: No Solution Exploring Operation: 106-29=77, Resulting Numbers: [77] 77,59 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 No solution found.
0
hs_5
mult_heuristic
[ 84, 92, 27, 25 ]
50
[ "27-25=2", "84/2=42", "92-42=50" ]
Current State: 50:[84, 92, 27, 25], Operations: [] Exploring Operation: 27-25=2, Resulting Numbers: [84, 92, 2] Generated Node #2: [84, 92, 2] from Operation: 27-25=2 Current State: 50:[84, 92, 2], Operations: ['27-25=2'] Exploring Operation: 84/2=42, Resulting Numbers: [92, 42] Generated Node #3: [92, 42] from Operation: 84/2=42 Current State: 50:[92, 42], Operations: ['27-25=2', '84/2=42'] Exploring Operation: 92-42=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[84, 92, 27, 25], Operations: [] Exploring Operation: 92-84=8, Resulting Numbers: [27, 25, 8] Generated Node #0,0: 50:[27, 25, 8] Operation: 92-84=8 Exploring Operation: 84-27=57, Resulting Numbers: [92, 25, 57] Generated Node #0,1: 50:[92, 25, 57] Operation: 84-27=57 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[27, 25, 8], Operations: ['92-84=8'] Exploring Operation: 27-25=2, Resulting Numbers: [8, 2] Generated Node #0,0,0: 50:[8, 2] Operation: 27-25=2 Exploring Operation: 27+25=52, Resulting Numbers: [8, 52] Generated Node #0,0,1: 50:[8, 52] Operation: 27+25=52 Moving to Node #0,0,0 Current State: 50:[8, 2], Operations: ['92-84=8', '27-25=2'] Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[8, 52], Operations: ['92-84=8', '27+25=52'] Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,50 unequal: No Solution Exploring Operation: 8+52=60, Resulting Numbers: [60] 60,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[92, 25, 57], Operations: ['84-27=57'] Exploring Operation: 92-57=35, Resulting Numbers: [25, 35] Generated Node #0,1,0: 50:[25, 35] Operation: 92-57=35 Exploring Operation: 92-25=67, Resulting Numbers: [57, 67] Generated Node #0,1,1: 50:[57, 67] Operation: 92-25=67 Moving to Node #0,1,0 Current State: 50:[25, 35], Operations: ['84-27=57', '92-57=35'] Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 25+35=60, Resulting Numbers: [60] 60,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[57, 67], Operations: ['84-27=57', '92-25=67'] Exploring Operation: 67-57=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 57+67=124, Resulting Numbers: [124] 124,50 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
[ 40, 35, 27, 9 ]
78
[ "40+35=75", "27/9=3", "75+3=78" ]
Current State: 78:[40, 35, 27, 9], Operations: [] Exploring Operation: 40+35=75, Resulting Numbers: [27, 9, 75] Generated Node #2: [27, 9, 75] from Operation: 40+35=75 Current State: 78:[27, 9, 75], Operations: ['40+35=75'] Exploring Operation: 27/9=3, Resulting Numbers: [75, 3] Generated Node #3: [75, 3] from Operation: 27/9=3 Current State: 78:[75, 3], Operations: ['40+35=75', '27/9=3'] Exploring Operation: 75+3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[40, 35, 27, 9], Operations: [] Exploring Operation: 35-9=26, Resulting Numbers: [40, 27, 26] Generated Node #0,0: 78:[40, 27, 26] Operation: 35-9=26 Exploring Operation: 40-35=5, Resulting Numbers: [27, 9, 5] Generated Node #0,1: 78:[27, 9, 5] Operation: 40-35=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[40, 27, 26], Operations: ['35-9=26'] Exploring Operation: 40-27=13, Resulting Numbers: [26, 13] Generated Node #0,0,0: 78:[26, 13] Operation: 40-27=13 Exploring Operation: 40-26=14, Resulting Numbers: [27, 14] Generated Node #0,0,1: 78:[27, 14] Operation: 40-26=14 Moving to Node #0,0,0 Current State: 78:[26, 13], Operations: ['35-9=26', '40-27=13'] Exploring Operation: 26+13=39, Resulting Numbers: [39] 39,78 unequal: No Solution Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[27, 14], Operations: ['35-9=26', '40-26=14'] Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,78 unequal: No Solution Exploring Operation: 27+14=41, Resulting Numbers: [41] 41,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[27, 9, 5], Operations: ['40-35=5'] Exploring Operation: 9+5=14, Resulting Numbers: [27, 14] Generated Node #0,1,0: 78:[27, 14] Operation: 9+5=14 Exploring Operation: 27/9=3, Resulting Numbers: [5, 3] Generated Node #0,1,1: 78:[5, 3] Operation: 27/9=3 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 78:[5, 3], Operations: ['40-35=5', '27/9=3'] Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,78 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 78:[27, 14], Operations: ['40-35=5', '9+5=14'] Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,78 unequal: No Solution Exploring Operation: 27+14=41, Resulting Numbers: [41] 41,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 60, 64, 53, 77 ]
53
[ "60-53=7", "77/7=11", "64-11=53" ]
Current State: 53:[60, 64, 53, 77], Operations: [] Exploring Operation: 60-53=7, Resulting Numbers: [64, 77, 7] Generated Node #2: [64, 77, 7] from Operation: 60-53=7 Current State: 53:[64, 77, 7], Operations: ['60-53=7'] Exploring Operation: 77/7=11, Resulting Numbers: [64, 11] Generated Node #3: [64, 11] from Operation: 77/7=11 Current State: 53:[64, 11], Operations: ['60-53=7', '77/7=11'] Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[60, 64, 53, 77], Operations: [] Exploring Operation: 64-60=4, Resulting Numbers: [53, 77, 4] Generated Node #0,0: 53:[53, 77, 4] Operation: 64-60=4 Exploring Operation: 77-64=13, Resulting Numbers: [60, 53, 13] Generated Node #0,1: 53:[60, 53, 13] Operation: 77-64=13 Exploring Operation: 77-53=24, Resulting Numbers: [60, 64, 24] Generated Node #0,2: 53:[60, 64, 24] Operation: 77-53=24 Exploring Operation: 64-53=11, Resulting Numbers: [60, 77, 11] Generated Node #0,3: 53:[60, 77, 11] Operation: 64-53=11 Exploring Operation: 77-60=17, Resulting Numbers: [64, 53, 17] Generated Node #0,4: 53:[64, 53, 17] Operation: 77-60=17 Moving to Node #0,1 Current State: 53:[60, 53, 13], Operations: ['77-64=13'] Exploring Operation: 60-53=7, Resulting Numbers: [13, 7] Generated Node #0,1,0: 53:[13, 7] Operation: 60-53=7 Exploring Operation: 53+13=66, Resulting Numbers: [60, 66] Generated Node #0,1,1: 53:[60, 66] Operation: 53+13=66 Exploring Operation: 53-13=40, Resulting Numbers: [60, 40] Generated Node #0,1,2: 53:[60, 40] Operation: 53-13=40 Exploring Operation: 60-13=47, Resulting Numbers: [53, 47] Generated Node #0,1,3: 53:[53, 47] Operation: 60-13=47 Exploring Operation: 60+13=73, Resulting Numbers: [53, 73] Generated Node #0,1,4: 53:[53, 73] Operation: 60+13=73 Moving to Node #0,4 Current State: 53:[64, 53, 17], Operations: ['77-60=17'] Exploring Operation: 64-17=47, Resulting Numbers: [53, 47] Generated Node #0,4,0: 53:[53, 47] Operation: 64-17=47 Exploring Operation: 64-53=11, Resulting Numbers: [17, 11] Generated Node #0,4,1: 53:[17, 11] Operation: 64-53=11 Exploring Operation: 64+17=81, Resulting Numbers: [53, 81] Generated Node #0,4,2: 53:[53, 81] Operation: 64+17=81 Exploring Operation: 53+17=70, Resulting Numbers: [64, 70] Generated Node #0,4,3: 53:[64, 70] Operation: 53+17=70 Exploring Operation: 53-17=36, Resulting Numbers: [64, 36] Generated Node #0,4,4: 53:[64, 36] Operation: 53-17=36 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 53:[53, 47], Operations: ['77-60=17', '64-17=47'] Exploring Operation: 53-47=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 53+47=100, Resulting Numbers: [100] 100,53 unequal: No Solution Exploring Operation: 53*47=2491, Resulting Numbers: [2491] 2491,53 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 #0,4,2 Current State: 53:[53, 81], Operations: ['77-60=17', '64+17=81'] Exploring Operation: 53+81=134, Resulting Numbers: [134] 134,53 unequal: No Solution Exploring Operation: 81-53=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 53*81=4293, Resulting Numbers: [4293] 4293,53 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 #0,4,3 Current State: 53:[64, 70], Operations: ['77-60=17', '53+17=70'] Exploring Operation: 64*70=4480, Resulting Numbers: [4480] 4480,53 unequal: No Solution Exploring Operation: 64+70=134, Resulting Numbers: [134] 134,53 unequal: No Solution Exploring Operation: 70-64=6, Resulting Numbers: [6] 6,53 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 #0,4,4 Current State: 53:[64, 36], Operations: ['77-60=17', '53-17=36'] Exploring Operation: 64-36=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 64+36=100, Resulting Numbers: [100] 100,53 unequal: No Solution Exploring Operation: 64*36=2304, Resulting Numbers: [2304] 2304,53 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 #0,4,1 Current State: 53:[17, 11], Operations: ['77-60=17', '64-53=11'] Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,53 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,53 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: 53:[60, 64, 24], Operations: ['77-53=24'] Exploring Operation: 64+24=88, Resulting Numbers: [60, 88] Generated Node #0,2,0: 53:[60, 88] Operation: 64+24=88 Exploring Operation: 60+24=84, Resulting Numbers: [64, 84] Generated Node #0,2,1: 53:[64, 84] Operation: 60+24=84 Exploring Operation: 64-60=4, Resulting Numbers: [24, 4] Generated Node #0,2,2: 53:[24, 4] Operation: 64-60=4 Exploring Operation: 60-24=36, Resulting Numbers: [64, 36] Generated Node #0,2,3: 53:[64, 36] Operation: 60-24=36 Exploring Operation: 64-24=40, Resulting Numbers: [60, 40] Generated Node #0,2,4: 53:[60, 40] Operation: 64-24=40 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 53:[60, 40], Operations: ['77-53=24', '64-24=40'] Exploring Operation: 60-40=20, Resulting Numbers: [20] 20,53 unequal: No Solution Exploring Operation: 60+40=100, Resulting Numbers: [100] 100,53 unequal: No Solution Exploring Operation: 60*40=2400, Resulting Numbers: [2400] 2400,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 53:[64, 36], Operations: ['77-53=24', '60-24=36'] Exploring Operation: 64-36=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 64*36=2304, Resulting Numbers: [2304] 2304,53 unequal: No Solution Exploring Operation: 64+36=100, Resulting Numbers: [100] 100,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 53:[60, 88], Operations: ['77-53=24', '64+24=88'] Exploring Operation: 60+88=148, Resulting Numbers: [148] 148,53 unequal: No Solution Exploring Operation: 88-60=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 60*88=5280, Resulting Numbers: [5280] 5280,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 53:[64, 84], Operations: ['77-53=24', '60+24=84'] Exploring Operation: 64+84=148, Resulting Numbers: [148] 148,53 unequal: No Solution Exploring Operation: 84-64=20, Resulting Numbers: [20] 20,53 unequal: No Solution Exploring Operation: 64*84=5376, Resulting Numbers: [5376] 5376,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 53:[24, 4], Operations: ['77-53=24', '64-60=4'] Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,53 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,53 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: 53:[53, 77, 4], Operations: ['64-60=4'] Exploring Operation: 53+4=57, Resulting Numbers: [77, 57] Generated Node #0,0,0: 53:[77, 57] Operation: 53+4=57 Exploring Operation: 77-4=73, Resulting Numbers: [53, 73] Generated Node #0,0,1: 53:[53, 73] Operation: 77-4=73 Exploring Operation: 77-53=24, Resulting Numbers: [4, 24] Generated Node #0,0,2: 53:[4, 24] Operation: 77-53=24 Exploring Operation: 53-4=49, Resulting Numbers: [77, 49] Generated Node #0,0,3: 53:[77, 49] Operation: 53-4=49 Exploring Operation: 77+4=81, Resulting Numbers: [53, 81] Generated Node #0,0,4: 53:[53, 81] Operation: 77+4=81 Moving to Node #0,3 Current State: 53:[60, 77, 11], Operations: ['64-53=11'] Exploring Operation: 77-11=66, Resulting Numbers: [60, 66] Generated Node #0,3,0: 53:[60, 66] Operation: 77-11=66 Exploring Operation: 60-11=49, Resulting Numbers: [77, 49] Generated Node #0,3,1: 53:[77, 49] Operation: 60-11=49 Exploring Operation: 77/11=7, Resulting Numbers: [60, 7] Generated Node #0,3,2: 53:[60, 7] Operation: 77/11=7 Exploring Operation: 60+11=71, Resulting Numbers: [77, 71] Generated Node #0,3,3: 53:[77, 71] Operation: 60+11=71 Exploring Operation: 77+11=88, Resulting Numbers: [60, 88] Generated Node #0,3,4: 53:[60, 88] Operation: 77+11=88 Moving to Node #0,1,3 Current State: 53:[53, 47], Operations: ['77-64=13', '60-13=47'] Exploring Operation: 53+47=100, Resulting Numbers: [100] 100,53 unequal: No Solution Exploring Operation: 53*47=2491, Resulting Numbers: [2491] 2491,53 unequal: No Solution Exploring Operation: 53-47=6, Resulting Numbers: [6] 6,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[60, 40], Operations: ['77-64=13', '53-13=40'] Exploring Operation: 60*40=2400, Resulting Numbers: [2400] 2400,53 unequal: No Solution Exploring Operation: 60+40=100, Resulting Numbers: [100] 100,53 unequal: No Solution Exploring Operation: 60-40=20, Resulting Numbers: [20] 20,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[53, 73], Operations: ['64-60=4', '77-4=73'] Exploring Operation: 53+73=126, Resulting Numbers: [126] 126,53 unequal: No Solution Exploring Operation: 73-53=20, Resulting Numbers: [20] 20,53 unequal: No Solution Exploring Operation: 53*73=3869, Resulting Numbers: [3869] 3869,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[60, 66], Operations: ['77-64=13', '53+13=66'] Exploring Operation: 60+66=126, Resulting Numbers: [126] 126,53 unequal: No Solution Exploring Operation: 66-60=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 60*66=3960, Resulting Numbers: [3960] 3960,53 unequal: No Solution Moving to Node #0,3,0 Current State: 53:[60, 66], Operations: ['64-53=11', '77-11=66'] Exploring Operation: 66-60=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 60*66=3960, Resulting Numbers: [3960] 3960,53 unequal: No Solution Exploring Operation: 60+66=126, Resulting Numbers: [126] 126,53 unequal: No Solution Moving to Node #0,1,4 Current State: 53:[53, 73], Operations: ['77-64=13', '60+13=73'] Exploring Operation: 53+73=126, Resulting Numbers: [126] 126,53 unequal: No Solution Exploring Operation: 53*73=3869, Resulting Numbers: [3869] 3869,53 unequal: No Solution Exploring Operation: 73-53=20, Resulting Numbers: [20] 20,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[77, 57], Operations: ['64-60=4', '53+4=57'] Exploring Operation: 77+57=134, Resulting Numbers: [134] 134,53 unequal: No Solution Exploring Operation: 77-57=20, Resulting Numbers: [20] 20,53 unequal: No Solution Exploring Operation: 77*57=4389, Resulting Numbers: [4389] 4389,53 unequal: No Solution Moving to Node #0,3,1 Current State: 53:[77, 49], Operations: ['64-53=11', '60-11=49'] Exploring Operation: 77+49=126, Resulting Numbers: [126] 126,53 unequal: No Solution Exploring Operation: 77-49=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 77*49=3773, Resulting Numbers: [3773] 3773,53 unequal: No Solution Moving to Node #0,0,4 Current State: 53:[53, 81], Operations: ['64-60=4', '77+4=81'] Exploring Operation: 53+81=134, Resulting Numbers: [134] 134,53 unequal: No Solution Exploring Operation: 53*81=4293, Resulting Numbers: [4293] 4293,53 unequal: No Solution Exploring Operation: 81-53=28, Resulting Numbers: [28] 28,53 unequal: No Solution Moving to Node #0,0,3 Current State: 53:[77, 49], Operations: ['64-60=4', '53-4=49'] Exploring Operation: 77+49=126, Resulting Numbers: [126] 126,53 unequal: No Solution Exploring Operation: 77-49=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 77*49=3773, Resulting Numbers: [3773] 3773,53 unequal: No Solution Moving to Node #0,3,4 Current State: 53:[60, 88], Operations: ['64-53=11', '77+11=88'] Exploring Operation: 60*88=5280, Resulting Numbers: [5280] 5280,53 unequal: No Solution Exploring Operation: 88-60=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 60+88=148, Resulting Numbers: [148] 148,53 unequal: No Solution Moving to Node #0,3,3 Current State: 53:[77, 71], Operations: ['64-53=11', '60+11=71'] Exploring Operation: 77-71=6, Resulting Numbers: [6] 6,53 unequal: No Solution Exploring Operation: 77*71=5467, Resulting Numbers: [5467] 5467,53 unequal: No Solution Exploring Operation: 77+71=148, Resulting Numbers: [148] 148,53 unequal: No Solution Moving to Node #0,3,2 Current State: 53:[60, 7], Operations: ['64-53=11', '77/11=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[60, 64, 53, 77], Operations: [] Exploring Operation: 64-53=11, Resulting Numbers: [60, 77, 11] Generated Node #0,3: 53:[60, 77, 11] Operation: 64-53=11 Moving to Node #0,3 Current State: 53:[60, 77, 11], Operations: ['64-53=11'] Exploring Operation: 77/11=7, Resulting Numbers: [60, 7] Generated Node #0,3,2: 53:[60, 7] Operation: 77/11=7 Moving to Node #0,3,2 Current State: 53:[60, 7], Operations: ['64-53=11', '77/11=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
0.911458
hs_5
sum_heuristic
[ 94, 39, 23, 2 ]
34
[ "94-39=55", "23-2=21", "55-21=34" ]
Current State: 34:[94, 39, 23, 2], Operations: [] Exploring Operation: 94-39=55, Resulting Numbers: [23, 2, 55] Generated Node #2: [23, 2, 55] from Operation: 94-39=55 Current State: 34:[23, 2, 55], Operations: ['94-39=55'] Exploring Operation: 23-2=21, Resulting Numbers: [55, 21] Generated Node #3: [55, 21] from Operation: 23-2=21 Current State: 34:[55, 21], Operations: ['94-39=55', '23-2=21'] Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[94, 39, 23, 2], Operations: [] Exploring Operation: 94/2=47, Resulting Numbers: [39, 23, 47] Generated Node #0,0: 34:[39, 23, 47] Operation: 94/2=47 Exploring Operation: 94-39=55, Resulting Numbers: [23, 2, 55] Generated Node #0,1: 34:[23, 2, 55] Operation: 94-39=55 Exploring Operation: 94-23=71, Resulting Numbers: [39, 2, 71] Generated Node #0,2: 34:[39, 2, 71] Operation: 94-23=71 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[39, 23, 47], Operations: ['94/2=47'] Exploring Operation: 47-23=24, Resulting Numbers: [39, 24] Generated Node #0,0,0: 34:[39, 24] Operation: 47-23=24 Exploring Operation: 39-23=16, Resulting Numbers: [47, 16] Generated Node #0,0,1: 34:[47, 16] Operation: 39-23=16 Exploring Operation: 47-39=8, Resulting Numbers: [23, 8] Generated Node #0,0,2: 34:[23, 8] Operation: 47-39=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[39, 24], Operations: ['94/2=47', '47-23=24'] Exploring Operation: 39*24=936, Resulting Numbers: [936] 936,34 unequal: No Solution Exploring Operation: 39+24=63, Resulting Numbers: [63] 63,34 unequal: No Solution Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 34:[23, 8], Operations: ['94/2=47', '47-39=8'] Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,34 unequal: No Solution Exploring Operation: 23+8=31, Resulting Numbers: [31] 31,34 unequal: No Solution Exploring Operation: 23*8=184, Resulting Numbers: [184] 184,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[47, 16], Operations: ['94/2=47', '39-23=16'] Exploring Operation: 47+16=63, Resulting Numbers: [63] 63,34 unequal: No Solution Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,34 unequal: No Solution Exploring Operation: 47*16=752, Resulting Numbers: [752] 752,34 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: 34:[23, 2, 55], Operations: ['94-39=55'] Exploring Operation: 55-23=32, Resulting Numbers: [2, 32] Generated Node #0,1,0: 34:[2, 32] Operation: 55-23=32 Exploring Operation: 23-2=21, Resulting Numbers: [55, 21] Generated Node #0,1,1: 34:[55, 21] Operation: 23-2=21 Exploring Operation: 55-2=53, Resulting Numbers: [23, 53] Generated Node #0,1,2: 34:[23, 53] Operation: 55-2=53 Moving to Node #0,1,0 Current State: 34:[2, 32], Operations: ['94-39=55', '55-23=32'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,34 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[94, 39, 23, 2], Operations: [] Exploring Operation: 94-39=55, Resulting Numbers: [23, 2, 55] Generated Node #0,1: 34:[23, 2, 55] Operation: 94-39=55 Moving to Node #0,1 Current State: 34:[23, 2, 55], Operations: ['94-39=55'] Exploring Operation: 55-23=32, Resulting Numbers: [2, 32] Generated Node #0,1,0: 34:[2, 32] Operation: 55-23=32 Moving to Node #0,1,0 Current State: 34:[2, 32], Operations: ['94-39=55', '55-23=32'] Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 63, 74, 43, 75 ]
19
[ "63+74=137", "43+75=118", "137-118=19" ]
Current State: 19:[63, 74, 43, 75], Operations: [] Exploring Operation: 63+74=137, Resulting Numbers: [43, 75, 137] Generated Node #2: [43, 75, 137] from Operation: 63+74=137 Current State: 19:[43, 75, 137], Operations: ['63+74=137'] Exploring Operation: 43+75=118, Resulting Numbers: [137, 118] Generated Node #3: [137, 118] from Operation: 43+75=118 Current State: 19:[137, 118], Operations: ['63+74=137', '43+75=118'] Exploring Operation: 137-118=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[63, 74, 43, 75], Operations: [] Exploring Operation: 74-43=31, Resulting Numbers: [63, 75, 31] Generated Node #0,0: 19:[63, 75, 31] Operation: 74-43=31 Exploring Operation: 75-63=12, Resulting Numbers: [74, 43, 12] Generated Node #0,1: 19:[74, 43, 12] Operation: 75-63=12 Exploring Operation: 75-74=1, Resulting Numbers: [63, 43, 1] Generated Node #0,2: 19:[63, 43, 1] Operation: 75-74=1 Exploring Operation: 74-63=11, Resulting Numbers: [43, 75, 11] Generated Node #0,3: 19:[43, 75, 11] Operation: 74-63=11 Exploring Operation: 63-43=20, Resulting Numbers: [74, 75, 20] Generated Node #0,4: 19:[74, 75, 20] Operation: 63-43=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[74, 43, 12], Operations: ['75-63=12'] Exploring Operation: 43+12=55, Resulting Numbers: [74, 55] Generated Node #0,1,0: 19:[74, 55] Operation: 43+12=55 Exploring Operation: 43-12=31, Resulting Numbers: [74, 31] Generated Node #0,1,1: 19:[74, 31] Operation: 43-12=31 Exploring Operation: 74-12=62, Resulting Numbers: [43, 62] Generated Node #0,1,2: 19:[43, 62] Operation: 74-12=62 Exploring Operation: 74-43=31, Resulting Numbers: [12, 31] Generated Node #0,1,3: 19:[12, 31] Operation: 74-43=31 Exploring Operation: 74+12=86, Resulting Numbers: [43, 86] Generated Node #0,1,4: 19:[43, 86] Operation: 74+12=86 Moving to Node #0,1,3 Current State: 19:[12, 31], Operations: ['75-63=12', '74-43=31'] Exploring Operation: 12*31=372, Resulting Numbers: [372] 372,19 unequal: No Solution Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[63, 74, 43, 75], Operations: [] Exploring Operation: 75-63=12, Resulting Numbers: [74, 43, 12] Generated Node #0,1: 19:[74, 43, 12] Operation: 75-63=12 Moving to Node #0,1 Current State: 19:[74, 43, 12], Operations: ['75-63=12'] Exploring Operation: 74-43=31, Resulting Numbers: [12, 31] Generated Node #0,1,3: 19:[12, 31] Operation: 74-43=31 Moving to Node #0,1,3 Current State: 19:[12, 31], Operations: ['75-63=12', '74-43=31'] Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 38, 58, 45, 68 ]
87
[ "68-38=30", "58*45=2610", "2610/30=87" ]
Current State: 87:[38, 58, 45, 68], Operations: [] Exploring Operation: 68-38=30, Resulting Numbers: [58, 45, 30] Generated Node #2: [58, 45, 30] from Operation: 68-38=30 Current State: 87:[58, 45, 30], Operations: ['68-38=30'] Exploring Operation: 58*45=2610, Resulting Numbers: [30, 2610] Generated Node #3: [30, 2610] from Operation: 58*45=2610 Current State: 87:[30, 2610], Operations: ['68-38=30', '58*45=2610'] Exploring Operation: 2610/30=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[38, 58, 45, 68], Operations: [] Exploring Operation: 68-58=10, Resulting Numbers: [38, 45, 10] Generated Node #0,0: 87:[38, 45, 10] Operation: 68-58=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[38, 45, 10], Operations: ['68-58=10'] Exploring Operation: 38+45=83, Resulting Numbers: [10, 83] Generated Node #0,0,0: 87:[10, 83] Operation: 38+45=83 Moving to Node #0,0,0 Current State: 87:[10, 83], Operations: ['68-58=10', '38+45=83'] Exploring Operation: 10+83=93, Resulting Numbers: [93] 93,87 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, 43, 31, 42 ]
69
[ "43-39=4", "31+42=73", "73-4=69" ]
Current State: 69:[39, 43, 31, 42], Operations: [] Exploring Operation: 43-39=4, Resulting Numbers: [31, 42, 4] Generated Node #2: [31, 42, 4] from Operation: 43-39=4 Current State: 69:[31, 42, 4], Operations: ['43-39=4'] Exploring Operation: 31+42=73, Resulting Numbers: [4, 73] Generated Node #3: [4, 73] from Operation: 31+42=73 Current State: 69:[4, 73], Operations: ['43-39=4', '31+42=73'] Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[39, 43, 31, 42], Operations: [] Exploring Operation: 43-39=4, Resulting Numbers: [31, 42, 4] Generated Node #0,0: 69:[31, 42, 4] Operation: 43-39=4 Exploring Operation: 43-42=1, Resulting Numbers: [39, 31, 1] Generated Node #0,1: 69:[39, 31, 1] Operation: 43-42=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[39, 31, 1], Operations: ['43-42=1'] Exploring Operation: 39+31=70, Resulting Numbers: [1, 70] Generated Node #0,1,0: 69:[1, 70] Operation: 39+31=70 Exploring Operation: 39-31=8, Resulting Numbers: [1, 8] Generated Node #0,1,1: 69:[1, 8] Operation: 39-31=8 Moving to Node #0,1,0 Current State: 69:[1, 70], Operations: ['43-42=1', '39+31=70'] Exploring Operation: 1*70=70, Resulting Numbers: [70] 70,69 unequal: No Solution Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[39, 43, 31, 42], Operations: [] Exploring Operation: 43-42=1, Resulting Numbers: [39, 31, 1] Generated Node #0,1: 69:[39, 31, 1] Operation: 43-42=1 Moving to Node #0,1 Current State: 69:[39, 31, 1], Operations: ['43-42=1'] Exploring Operation: 39+31=70, Resulting Numbers: [1, 70] Generated Node #0,1,0: 69:[1, 70] Operation: 39+31=70 Moving to Node #0,1,0 Current State: 69:[1, 70], Operations: ['43-42=1', '39+31=70'] Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 70, 18, 62, 12 ]
22
[ "70-18=52", "62+12=74", "74-52=22" ]
Current State: 22:[70, 18, 62, 12], Operations: [] Exploring Operation: 70-18=52, Resulting Numbers: [62, 12, 52] Generated Node #2: [62, 12, 52] from Operation: 70-18=52 Current State: 22:[62, 12, 52], Operations: ['70-18=52'] Exploring Operation: 62+12=74, Resulting Numbers: [52, 74] Generated Node #3: [52, 74] from Operation: 62+12=74 Current State: 22:[52, 74], Operations: ['70-18=52', '62+12=74'] Exploring Operation: 74-52=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[70, 18, 62, 12], Operations: [] Exploring Operation: 62-18=44, Resulting Numbers: [70, 12, 44] Generated Node #0,0: 22:[70, 12, 44] Operation: 62-18=44 Exploring Operation: 70-18=52, Resulting Numbers: [62, 12, 52] Generated Node #0,1: 22:[62, 12, 52] Operation: 70-18=52 Exploring Operation: 70-62=8, Resulting Numbers: [18, 12, 8] Generated Node #0,2: 22:[18, 12, 8] Operation: 70-62=8 Moving to Node #0,2 Current State: 22:[18, 12, 8], Operations: ['70-62=8'] Exploring Operation: 18-8=10, Resulting Numbers: [12, 10] Generated Node #0,2,0: 22:[12, 10] Operation: 18-8=10 Exploring Operation: 12+8=20, Resulting Numbers: [18, 20] Generated Node #0,2,1: 22:[18, 20] Operation: 12+8=20 Exploring Operation: 18+8=26, Resulting Numbers: [12, 26] Generated Node #0,2,2: 22:[12, 26] Operation: 18+8=26 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 22:[12, 10], Operations: ['70-62=8', '18-8=10'] Exploring Operation: 12*10=120, Resulting Numbers: [120] 120,22 unequal: No Solution Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,22 unequal: No Solution Exploring Operation: 12+10=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[70, 18, 62, 12], Operations: [] Exploring Operation: 70-62=8, Resulting Numbers: [18, 12, 8] Generated Node #0,2: 22:[18, 12, 8] Operation: 70-62=8 Moving to Node #0,2 Current State: 22:[18, 12, 8], Operations: ['70-62=8'] Exploring Operation: 18-8=10, Resulting Numbers: [12, 10] Generated Node #0,2,0: 22:[12, 10] Operation: 18-8=10 Moving to Node #0,2,0 Current State: 22:[12, 10], Operations: ['70-62=8', '18-8=10'] Exploring Operation: 12+10=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 15, 84, 17, 76 ]
72
[ "15*76=1140", "84+1140=1224", "1224/17=72" ]
Current State: 72:[15, 84, 17, 76], Operations: [] Exploring Operation: 15*76=1140, Resulting Numbers: [84, 17, 1140] Generated Node #2: [84, 17, 1140] from Operation: 15*76=1140 Current State: 72:[84, 17, 1140], Operations: ['15*76=1140'] Exploring Operation: 84+1140=1224, Resulting Numbers: [17, 1224] Generated Node #3: [17, 1224] from Operation: 84+1140=1224 Current State: 72:[17, 1224], Operations: ['15*76=1140', '84+1140=1224'] Exploring Operation: 1224/17=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[15, 84, 17, 76], Operations: [] Exploring Operation: 84-76=8, Resulting Numbers: [15, 17, 8] Generated Node #0,0: 72:[15, 17, 8] Operation: 84-76=8 Exploring Operation: 84-15=69, Resulting Numbers: [17, 76, 69] Generated Node #0,1: 72:[17, 76, 69] Operation: 84-15=69 Exploring Operation: 84-17=67, Resulting Numbers: [15, 76, 67] Generated Node #0,2: 72:[15, 76, 67] Operation: 84-17=67 Exploring Operation: 17-15=2, Resulting Numbers: [84, 76, 2] Generated Node #0,3: 72:[84, 76, 2] Operation: 17-15=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[15, 17, 8], Operations: ['84-76=8'] Exploring Operation: 17-8=9, Resulting Numbers: [15, 9] Generated Node #0,0,0: 72:[15, 9] Operation: 17-8=9 Exploring Operation: 15+8=23, Resulting Numbers: [17, 23] Generated Node #0,0,1: 72:[17, 23] Operation: 15+8=23 Exploring Operation: 15-8=7, Resulting Numbers: [17, 7] Generated Node #0,0,2: 72:[17, 7] Operation: 15-8=7 Exploring Operation: 17-15=2, Resulting Numbers: [8, 2] Generated Node #0,0,3: 72:[8, 2] Operation: 17-15=2 Moving to Node #0,0,3 Current State: 72:[8, 2], Operations: ['84-76=8', '17-15=2'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,72 unequal: No Solution Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,72 unequal: No Solution Moving to Node #0,0,2 Current State: 72:[17, 7], Operations: ['84-76=8', '15-8=7'] Exploring Operation: 17+7=24, Resulting Numbers: [24] 24,72 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,72 unequal: No Solution Exploring Operation: 17*7=119, Resulting Numbers: [119] 119,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[17, 23], Operations: ['84-76=8', '15+8=23'] Exploring Operation: 17+23=40, Resulting Numbers: [40] 40,72 unequal: No Solution Exploring Operation: 23-17=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 17*23=391, Resulting Numbers: [391] 391,72 unequal: No Solution Moving to Node #0,0,0 Current State: 72:[15, 9], Operations: ['84-76=8', '17-8=9'] Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,72 unequal: No Solution Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,72 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[17, 76, 69], Operations: ['84-15=69'] Exploring Operation: 17+69=86, Resulting Numbers: [76, 86] Generated Node #0,1,0: 72:[76, 86] Operation: 17+69=86 Exploring Operation: 76-69=7, Resulting Numbers: [17, 7] Generated Node #0,1,1: 72:[17, 7] Operation: 76-69=7 Exploring Operation: 69-17=52, Resulting Numbers: [76, 52] Generated Node #0,1,2: 72:[76, 52] Operation: 69-17=52 Exploring Operation: 76-17=59, Resulting Numbers: [69, 59] Generated Node #0,1,3: 72:[69, 59] Operation: 76-17=59 Moving to Node #0,1,1 Current State: 72:[17, 7], Operations: ['84-15=69', '76-69=7'] Exploring Operation: 17*7=119, Resulting Numbers: [119] 119,72 unequal: No Solution Exploring Operation: 17+7=24, Resulting Numbers: [24] 24,72 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,72 unequal: No Solution Moving to Node #0,1,3 Current State: 72:[69, 59], Operations: ['84-15=69', '76-17=59'] Exploring Operation: 69*59=4071, Resulting Numbers: [4071] 4071,72 unequal: No Solution Exploring Operation: 69-59=10, Resulting Numbers: [10] 10,72 unequal: No Solution Exploring Operation: 69+59=128, Resulting Numbers: [128] 128,72 unequal: No Solution Moving to Node #0,1,0 Current State: 72:[76, 86], Operations: ['84-15=69', '17+69=86'] Exploring Operation: 86-76=10, Resulting Numbers: [10] 10,72 unequal: No Solution Exploring Operation: 76+86=162, Resulting Numbers: [162] 162,72 unequal: No Solution Exploring Operation: 76*86=6536, Resulting Numbers: [6536] 6536,72 unequal: No Solution Moving to Node #0,1,2 Current State: 72:[76, 52], Operations: ['84-15=69', '69-17=52'] Exploring Operation: 76*52=3952, Resulting Numbers: [3952] 3952,72 unequal: No Solution Exploring Operation: 76-52=24, Resulting Numbers: [24] 24,72 unequal: No Solution Exploring Operation: 76+52=128, Resulting Numbers: [128] 128,72 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:[15, 76, 67], Operations: ['84-17=67'] Exploring Operation: 15+67=82, Resulting Numbers: [76, 82] Generated Node #0,2,0: 72:[76, 82] Operation: 15+67=82 Exploring Operation: 76-67=9, Resulting Numbers: [15, 9] Generated Node #0,2,1: 72:[15, 9] Operation: 76-67=9 Exploring Operation: 67-15=52, Resulting Numbers: [76, 52] Generated Node #0,2,2: 72:[76, 52] Operation: 67-15=52 Exploring Operation: 76-15=61, Resulting Numbers: [67, 61] Generated Node #0,2,3: 72:[67, 61] Operation: 76-15=61 Moving to Node #0,2,1 Current State: 72:[15, 9], Operations: ['84-17=67', '76-67=9'] Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,72 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,72 unequal: No Solution Moving to Node #0,2,0 Current State: 72:[76, 82], Operations: ['84-17=67', '15+67=82'] Exploring Operation: 76+82=158, Resulting Numbers: [158] 158,72 unequal: No Solution Exploring Operation: 82-76=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 76*82=6232, Resulting Numbers: [6232] 6232,72 unequal: No Solution Moving to Node #0,2,3 Current State: 72:[67, 61], Operations: ['84-17=67', '76-15=61'] Exploring Operation: 67*61=4087, Resulting Numbers: [4087] 4087,72 unequal: No Solution Exploring Operation: 67-61=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 67+61=128, Resulting Numbers: [128] 128,72 unequal: No Solution Moving to Node #0,2,2 Current State: 72:[76, 52], Operations: ['84-17=67', '67-15=52'] Exploring Operation: 76+52=128, Resulting Numbers: [128] 128,72 unequal: No Solution Exploring Operation: 76-52=24, Resulting Numbers: [24] 24,72 unequal: No Solution Exploring Operation: 76*52=3952, Resulting Numbers: [3952] 3952,72 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 #0,3 Current State: 72:[84, 76, 2], Operations: ['17-15=2'] Exploring Operation: 84-76=8, Resulting Numbers: [2, 8] Generated Node #0,3,0: 72:[2, 8] Operation: 84-76=8 Exploring Operation: 76-2=74, Resulting Numbers: [84, 74] Generated Node #0,3,1: 72:[84, 74] Operation: 76-2=74 Exploring Operation: 84/2=42, Resulting Numbers: [76, 42] Generated Node #0,3,2: 72:[76, 42] Operation: 84/2=42 Exploring Operation: 84-2=82, Resulting Numbers: [76, 82] Generated Node #0,3,3: 72:[76, 82] Operation: 84-2=82 Moving to Node #0,3,0 Current State: 72:[2, 8], Operations: ['17-15=2', '84-76=8'] Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,72 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,72 unequal: No Solution Moving to Node #0,3,2 Current State: 72:[76, 42], Operations: ['17-15=2', '84/2=42'] Exploring Operation: 76*42=3192, Resulting Numbers: [3192] 3192,72 unequal: No Solution Exploring Operation: 76+42=118, Resulting Numbers: [118] 118,72 unequal: No Solution Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,72 unequal: No Solution Moving to Node #0,3,3 Current State: 72:[76, 82], Operations: ['17-15=2', '84-2=82'] Exploring Operation: 76*82=6232, Resulting Numbers: [6232] 6232,72 unequal: No Solution Exploring Operation: 82-76=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 76+82=158, Resulting Numbers: [158] 158,72 unequal: No Solution Moving to Node #0,3,1 Current State: 72:[84, 74], Operations: ['17-15=2', '76-2=74'] Exploring Operation: 84*74=6216, Resulting Numbers: [6216] 6216,72 unequal: No Solution Exploring Operation: 84-74=10, Resulting Numbers: [10] 10,72 unequal: No Solution Exploring Operation: 84+74=158, Resulting Numbers: [158] 158,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 14, 8, 26, 3 ]
24
[ "14-8=6", "6/3=2", "26-2=24" ]
Current State: 24:[14, 8, 26, 3], Operations: [] Exploring Operation: 14-8=6, Resulting Numbers: [26, 3, 6] Generated Node #2: [26, 3, 6] from Operation: 14-8=6 Current State: 24:[26, 3, 6], Operations: ['14-8=6'] Exploring Operation: 6/3=2, Resulting Numbers: [26, 2] Generated Node #3: [26, 2] from Operation: 6/3=2 Current State: 24:[26, 2], Operations: ['14-8=6', '6/3=2'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[14, 8, 26, 3], Operations: [] Exploring Operation: 26-14=12, Resulting Numbers: [8, 3, 12] Generated Node #0,0: 24:[8, 3, 12] Operation: 26-14=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[8, 3, 12], Operations: ['26-14=12'] Exploring Operation: 8*3=24, Resulting Numbers: [12, 24] Generated Node #0,0,0: 24:[12, 24] Operation: 8*3=24 Moving to Node #0,0,0 Current State: 24:[12, 24], Operations: ['26-14=12', '8*3=24'] Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 36, 55, 85, 39 ]
90
[ "39-36=3", "85-55=30", "3*30=90" ]
Current State: 90:[36, 55, 85, 39], Operations: [] Exploring Operation: 39-36=3, Resulting Numbers: [55, 85, 3] Generated Node #2: [55, 85, 3] from Operation: 39-36=3 Current State: 90:[55, 85, 3], Operations: ['39-36=3'] Exploring Operation: 85-55=30, Resulting Numbers: [3, 30] Generated Node #3: [3, 30] from Operation: 85-55=30 Current State: 90:[3, 30], Operations: ['39-36=3', '85-55=30'] Exploring Operation: 3*30=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[36, 55, 85, 39], Operations: [] Exploring Operation: 36+55=91, Resulting Numbers: [85, 39, 91] Generated Node #0,0: 90:[85, 39, 91] Operation: 36+55=91 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[85, 39, 91], Operations: ['36+55=91'] Exploring Operation: 85-39=46, Resulting Numbers: [91, 46] Generated Node #0,0,0: 90:[91, 46] Operation: 85-39=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[91, 46], Operations: ['36+55=91', '85-39=46'] Exploring Operation: 91-46=45, Resulting Numbers: [45] 45,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 7, 60, 38, 19 ]
86
[ "7+60=67", "38-19=19", "67+19=86" ]
Current State: 86:[7, 60, 38, 19], Operations: [] Exploring Operation: 7+60=67, Resulting Numbers: [38, 19, 67] Generated Node #2: [38, 19, 67] from Operation: 7+60=67 Current State: 86:[38, 19, 67], Operations: ['7+60=67'] Exploring Operation: 38-19=19, Resulting Numbers: [67, 19] Generated Node #3: [67, 19] from Operation: 38-19=19 Current State: 86:[67, 19], Operations: ['7+60=67', '38-19=19'] Exploring Operation: 67+19=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[7, 60, 38, 19], Operations: [] Exploring Operation: 60-7=53, Resulting Numbers: [38, 19, 53] Generated Node #0,0: 86:[38, 19, 53] Operation: 60-7=53 Exploring Operation: 60-19=41, Resulting Numbers: [7, 38, 41] Generated Node #0,1: 86:[7, 38, 41] Operation: 60-19=41 Exploring Operation: 38/19=2, Resulting Numbers: [7, 60, 2] Generated Node #0,2: 86:[7, 60, 2] Operation: 38/19=2 Exploring Operation: 60+19=79, Resulting Numbers: [7, 38, 79] Generated Node #0,3: 86:[7, 38, 79] Operation: 60+19=79 Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[7, 38, 41], Operations: ['60-19=41'] Exploring Operation: 7+38=45, Resulting Numbers: [41, 45] Generated Node #0,1,0: 86:[41, 45] Operation: 7+38=45 Exploring Operation: 38+41=79, Resulting Numbers: [7, 79] Generated Node #0,1,1: 86:[7, 79] Operation: 38+41=79 Exploring Operation: 7+41=48, Resulting Numbers: [38, 48] Generated Node #0,1,2: 86:[38, 48] Operation: 7+41=48 Exploring Operation: 41-38=3, Resulting Numbers: [7, 3] Generated Node #0,1,3: 86:[7, 3] Operation: 41-38=3 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 86:[41, 45], Operations: ['60-19=41', '7+38=45'] Exploring Operation: 45-41=4, Resulting Numbers: [4] 4,86 unequal: No Solution Exploring Operation: 41+45=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[7, 60, 38, 19], Operations: [] Exploring Operation: 60-19=41, Resulting Numbers: [7, 38, 41] Generated Node #0,1: 86:[7, 38, 41] Operation: 60-19=41 Moving to Node #0,1 Current State: 86:[7, 38, 41], Operations: ['60-19=41'] Exploring Operation: 7+38=45, Resulting Numbers: [41, 45] Generated Node #0,1,0: 86:[41, 45] Operation: 7+38=45 Moving to Node #0,1,0 Current State: 86:[41, 45], Operations: ['60-19=41', '7+38=45'] Exploring Operation: 41+45=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 5, 19, 49, 89 ]
54
[ "19-5=14", "89-49=40", "14+40=54" ]
Current State: 54:[5, 19, 49, 89], Operations: [] Exploring Operation: 19-5=14, Resulting Numbers: [49, 89, 14] Generated Node #2: [49, 89, 14] from Operation: 19-5=14 Current State: 54:[49, 89, 14], Operations: ['19-5=14'] Exploring Operation: 89-49=40, Resulting Numbers: [14, 40] Generated Node #3: [14, 40] from Operation: 89-49=40 Current State: 54:[14, 40], Operations: ['19-5=14', '89-49=40'] Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[5, 19, 49, 89], Operations: [] Exploring Operation: 89-49=40, Resulting Numbers: [5, 19, 40] Generated Node #0,0: 54:[5, 19, 40] Operation: 89-49=40 Exploring Operation: 89-19=70, Resulting Numbers: [5, 49, 70] Generated Node #0,1: 54:[5, 49, 70] Operation: 89-19=70 Exploring Operation: 5+49=54, Resulting Numbers: [19, 89, 54] Generated Node #0,2: 54:[19, 89, 54] Operation: 5+49=54 Moving to Node #0,0 Current State: 54:[5, 19, 40], Operations: ['89-49=40'] Exploring Operation: 19+40=59, Resulting Numbers: [5, 59] Generated Node #0,0,0: 54:[5, 59] Operation: 19+40=59 Exploring Operation: 40/5=8, Resulting Numbers: [19, 8] Generated Node #0,0,1: 54:[19, 8] Operation: 40/5=8 Exploring Operation: 40-19=21, Resulting Numbers: [5, 21] Generated Node #0,0,2: 54:[5, 21] Operation: 40-19=21 Moving to Node #0,1 Current State: 54:[5, 49, 70], Operations: ['89-19=70'] Exploring Operation: 70-49=21, Resulting Numbers: [5, 21] Generated Node #0,1,0: 54:[5, 21] Operation: 70-49=21 Exploring Operation: 5+49=54, Resulting Numbers: [70, 54] Generated Node #0,1,1: 54:[70, 54] Operation: 5+49=54 Exploring Operation: 70/5=14, Resulting Numbers: [49, 14] Generated Node #0,1,2: 54:[49, 14] Operation: 70/5=14 Moving to Node #0,2 Current State: 54:[19, 89, 54], Operations: ['5+49=54'] Exploring Operation: 54-19=35, Resulting Numbers: [89, 35] Generated Node #0,2,0: 54:[89, 35] Operation: 54-19=35 Exploring Operation: 89-54=35, Resulting Numbers: [19, 35] Generated Node #0,2,1: 54:[19, 35] Operation: 89-54=35 Exploring Operation: 89-19=70, Resulting Numbers: [54, 70] Generated Node #0,2,2: 54:[54, 70] Operation: 89-19=70 Moving to Node #0,0,1 Current State: 54:[19, 8], Operations: ['89-49=40', '40/5=8'] Exploring Operation: 19+8=27, Resulting Numbers: [27] 27,54 unequal: No Solution Exploring Operation: 19*8=152, Resulting Numbers: [152] 152,54 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[5, 21], Operations: ['89-49=40', '40-19=21'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,54 unequal: No Solution Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,54 unequal: No Solution Moving to Node #0,1,0 Current State: 54:[5, 21], Operations: ['89-19=70', '70-49=21'] Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,54 unequal: No Solution Moving to Node #0,0,0 Current State: 54:[5, 59], Operations: ['89-49=40', '19+40=59'] Exploring Operation: 5*59=295, Resulting Numbers: [295] 295,54 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[5, 19, 49, 89], Operations: [] Exploring Operation: 89-49=40, Resulting Numbers: [5, 19, 40] Generated Node #0,0: 54:[5, 19, 40] Operation: 89-49=40 Moving to Node #0,0 Current State: 54:[5, 19, 40], Operations: ['89-49=40'] Exploring Operation: 19+40=59, Resulting Numbers: [5, 59] Generated Node #0,0,0: 54:[5, 59] Operation: 19+40=59 Moving to Node #0,0,0 Current State: 54:[5, 59], Operations: ['89-49=40', '19+40=59'] Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.976563
hs_3
sum_heuristic
[ 76, 88, 38, 20 ]
66
[ "76/38=2", "88-20=68", "68-2=66" ]
Current State: 66:[76, 88, 38, 20], Operations: [] Exploring Operation: 76/38=2, Resulting Numbers: [88, 20, 2] Generated Node #2: [88, 20, 2] from Operation: 76/38=2 Current State: 66:[88, 20, 2], Operations: ['76/38=2'] Exploring Operation: 88-20=68, Resulting Numbers: [2, 68] Generated Node #3: [2, 68] from Operation: 88-20=68 Current State: 66:[2, 68], Operations: ['76/38=2', '88-20=68'] Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[76, 88, 38, 20], Operations: [] Exploring Operation: 88-76=12, Resulting Numbers: [38, 20, 12] Generated Node #0,0: 66:[38, 20, 12] Operation: 88-76=12 Exploring Operation: 88-20=68, Resulting Numbers: [76, 38, 68] Generated Node #0,1: 66:[76, 38, 68] Operation: 88-20=68 Exploring Operation: 88-38=50, Resulting Numbers: [76, 20, 50] Generated Node #0,2: 66:[76, 20, 50] Operation: 88-38=50 Exploring Operation: 76/38=2, Resulting Numbers: [88, 20, 2] Generated Node #0,3: 66:[88, 20, 2] Operation: 76/38=2 Exploring Operation: 76-38=38, Resulting Numbers: [88, 20, 38] Generated Node #0,4: 66:[88, 20, 38] Operation: 76-38=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[38, 20, 12], Operations: ['88-76=12'] Exploring Operation: 20-12=8, Resulting Numbers: [38, 8] Generated Node #0,0,0: 66:[38, 8] Operation: 20-12=8 Exploring Operation: 38-12=26, Resulting Numbers: [20, 26] Generated Node #0,0,1: 66:[20, 26] Operation: 38-12=26 Exploring Operation: 38+20=58, Resulting Numbers: [12, 58] Generated Node #0,0,2: 66:[12, 58] Operation: 38+20=58 Exploring Operation: 20+12=32, Resulting Numbers: [38, 32] Generated Node #0,0,3: 66:[38, 32] Operation: 20+12=32 Exploring Operation: 38-20=18, Resulting Numbers: [12, 18] Generated Node #0,0,4: 66:[12, 18] Operation: 38-20=18 Moving to Node #0,0,4 Current State: 66:[12, 18], Operations: ['88-76=12', '38-20=18'] Exploring Operation: 12*18=216, Resulting Numbers: [216] 216,66 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,66 unequal: No Solution Exploring Operation: 12+18=30, Resulting Numbers: [30] 30,66 unequal: No Solution Moving to Node #0,0,3 Current State: 66:[38, 32], Operations: ['88-76=12', '20+12=32'] Exploring Operation: 38-32=6, Resulting Numbers: [6] 6,66 unequal: No Solution Exploring Operation: 38+32=70, Resulting Numbers: [70] 70,66 unequal: No Solution Exploring Operation: 38*32=1216, Resulting Numbers: [1216] 1216,66 unequal: No Solution Moving to Node #0,0,1 Current State: 66:[20, 26], Operations: ['88-76=12', '38-12=26'] Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,66 unequal: No Solution Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,66 unequal: No Solution Exploring Operation: 20*26=520, Resulting Numbers: [520] 520,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[38, 8], Operations: ['88-76=12', '20-12=8'] Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,66 unequal: No Solution Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,66 unequal: No Solution Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,66 unequal: No Solution Moving to Node #0,0,2 Current State: 66:[12, 58], Operations: ['88-76=12', '38+20=58'] Exploring Operation: 12+58=70, Resulting Numbers: [70] 70,66 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,66 unequal: No Solution Exploring Operation: 12*58=696, Resulting Numbers: [696] 696,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[76, 38, 68], Operations: ['88-20=68'] Exploring Operation: 76-68=8, Resulting Numbers: [38, 8] Generated Node #0,1,0: 66:[38, 8] Operation: 76-68=8 Exploring Operation: 76-38=38, Resulting Numbers: [68, 38] Generated Node #0,1,1: 66:[68, 38] Operation: 76-38=38 Exploring Operation: 68-38=30, Resulting Numbers: [76, 30] Generated Node #0,1,2: 66:[76, 30] Operation: 68-38=30 Exploring Operation: 76+38=114, Resulting Numbers: [68, 114] Generated Node #0,1,3: 66:[68, 114] Operation: 76+38=114 Exploring Operation: 76/38=2, Resulting Numbers: [68, 2] Generated Node #0,1,4: 66:[68, 2] Operation: 76/38=2 Moving to Node #0,1,4 Current State: 66:[68, 2], Operations: ['88-20=68', '76/38=2'] Exploring Operation: 68+2=70, Resulting Numbers: [70] 70,66 unequal: No Solution Exploring Operation: 68*2=136, Resulting Numbers: [136] 136,66 unequal: No Solution Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[76, 88, 38, 20], Operations: [] Exploring Operation: 88-20=68, Resulting Numbers: [76, 38, 68] Generated Node #0,1: 66:[76, 38, 68] Operation: 88-20=68 Moving to Node #0,1 Current State: 66:[76, 38, 68], Operations: ['88-20=68'] Exploring Operation: 76/38=2, Resulting Numbers: [68, 2] Generated Node #0,1,4: 66:[68, 2] Operation: 76/38=2 Moving to Node #0,1,4 Current State: 66:[68, 2], Operations: ['88-20=68', '76/38=2'] Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 62, 95, 87, 88 ]
34
[ "95-62=33", "88-87=1", "33+1=34" ]
Current State: 34:[62, 95, 87, 88], Operations: [] Exploring Operation: 95-62=33, Resulting Numbers: [87, 88, 33] Generated Node #2: [87, 88, 33] from Operation: 95-62=33 Current State: 34:[87, 88, 33], Operations: ['95-62=33'] Exploring Operation: 88-87=1, Resulting Numbers: [33, 1] Generated Node #3: [33, 1] from Operation: 88-87=1 Current State: 34:[33, 1], Operations: ['95-62=33', '88-87=1'] Exploring Operation: 33+1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[62, 95, 87, 88], Operations: [] Exploring Operation: 95-62=33, Resulting Numbers: [87, 88, 33] Generated Node #0,0: 34:[87, 88, 33] Operation: 95-62=33 Exploring Operation: 95-87=8, Resulting Numbers: [62, 88, 8] Generated Node #0,1: 34:[62, 88, 8] Operation: 95-87=8 Exploring Operation: 88-62=26, Resulting Numbers: [95, 87, 26] Generated Node #0,2: 34:[95, 87, 26] Operation: 88-62=26 Exploring Operation: 95-88=7, Resulting Numbers: [62, 87, 7] Generated Node #0,3: 34:[62, 87, 7] Operation: 95-88=7 Exploring Operation: 88-87=1, Resulting Numbers: [62, 95, 1] Generated Node #0,4: 34:[62, 95, 1] Operation: 88-87=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 34:[62, 87, 7], Operations: ['95-88=7'] Exploring Operation: 62+7=69, Resulting Numbers: [87, 69] Generated Node #0,3,0: 34:[87, 69] Operation: 62+7=69 Exploring Operation: 62-7=55, Resulting Numbers: [87, 55] Generated Node #0,3,1: 34:[87, 55] Operation: 62-7=55 Exploring Operation: 87-62=25, Resulting Numbers: [7, 25] Generated Node #0,3,2: 34:[7, 25] Operation: 87-62=25 Exploring Operation: 87-7=80, Resulting Numbers: [62, 80] Generated Node #0,3,3: 34:[62, 80] Operation: 87-7=80 Exploring Operation: 87+7=94, Resulting Numbers: [62, 94] Generated Node #0,3,4: 34:[62, 94] Operation: 87+7=94 Moving to Node #0,3,2 Current State: 34:[7, 25], Operations: ['95-88=7', '87-62=25'] Exploring Operation: 7+25=32, Resulting Numbers: [32] 32,34 unequal: No Solution Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 7*25=175, Resulting Numbers: [175] 175,34 unequal: No Solution Moving to Node #0,3,3 Current State: 34:[62, 80], Operations: ['95-88=7', '87-7=80'] Exploring Operation: 80-62=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 62+80=142, Resulting Numbers: [142] 142,34 unequal: No Solution Exploring Operation: 62*80=4960, Resulting Numbers: [4960] 4960,34 unequal: No Solution Moving to Node #0,3,1 Current State: 34:[87, 55], Operations: ['95-88=7', '62-7=55'] Exploring Operation: 87-55=32, Resulting Numbers: [32] 32,34 unequal: No Solution Exploring Operation: 87+55=142, Resulting Numbers: [142] 142,34 unequal: No Solution Exploring Operation: 87*55=4785, Resulting Numbers: [4785] 4785,34 unequal: No Solution Moving to Node #0,3,0 Current State: 34:[87, 69], Operations: ['95-88=7', '62+7=69'] Exploring Operation: 87-69=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 87+69=156, Resulting Numbers: [156] 156,34 unequal: No Solution Exploring Operation: 87*69=6003, Resulting Numbers: [6003] 6003,34 unequal: No Solution Moving to Node #0,3,4 Current State: 34:[62, 94], Operations: ['95-88=7', '87+7=94'] Exploring Operation: 62+94=156, Resulting Numbers: [156] 156,34 unequal: No Solution Exploring Operation: 94-62=32, Resulting Numbers: [32] 32,34 unequal: No Solution Exploring Operation: 62*94=5828, Resulting Numbers: [5828] 5828,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[62, 88, 8], Operations: ['95-87=8'] Exploring Operation: 62+8=70, Resulting Numbers: [88, 70] Generated Node #0,1,0: 34:[88, 70] Operation: 62+8=70 Exploring Operation: 88-62=26, Resulting Numbers: [8, 26] Generated Node #0,1,1: 34:[8, 26] Operation: 88-62=26 Exploring Operation: 62-8=54, Resulting Numbers: [88, 54] Generated Node #0,1,2: 34:[88, 54] Operation: 62-8=54 Exploring Operation: 88/8=11, Resulting Numbers: [62, 11] Generated Node #0,1,3: 34:[62, 11] Operation: 88/8=11 Exploring Operation: 88-8=80, Resulting Numbers: [62, 80] Generated Node #0,1,4: 34:[62, 80] Operation: 88-8=80 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 34:[8, 26], Operations: ['95-87=8', '88-62=26'] Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[62, 95, 87, 88], Operations: [] Exploring Operation: 95-87=8, Resulting Numbers: [62, 88, 8] Generated Node #0,1: 34:[62, 88, 8] Operation: 95-87=8 Moving to Node #0,1 Current State: 34:[62, 88, 8], Operations: ['95-87=8'] Exploring Operation: 88-62=26, Resulting Numbers: [8, 26] Generated Node #0,1,1: 34:[8, 26] Operation: 88-62=26 Moving to Node #0,1,1 Current State: 34:[8, 26], Operations: ['95-87=8', '88-62=26'] Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_5
mult_heuristic
[ 74, 63, 95, 71 ]
67
[ "74*63=4662", "95+4662=4757", "4757/71=67" ]
Current State: 67:[74, 63, 95, 71], Operations: [] Exploring Operation: 74*63=4662, Resulting Numbers: [95, 71, 4662] Generated Node #2: [95, 71, 4662] from Operation: 74*63=4662 Current State: 67:[95, 71, 4662], Operations: ['74*63=4662'] Exploring Operation: 95+4662=4757, Resulting Numbers: [71, 4757] Generated Node #3: [71, 4757] from Operation: 95+4662=4757 Current State: 67:[71, 4757], Operations: ['74*63=4662', '95+4662=4757'] Exploring Operation: 4757/71=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[74, 63, 95, 71], Operations: [] Exploring Operation: 95-63=32, Resulting Numbers: [74, 71, 32] Generated Node #0,0: 67:[74, 71, 32] Operation: 95-63=32 Exploring Operation: 95-74=21, Resulting Numbers: [63, 71, 21] Generated Node #0,1: 67:[63, 71, 21] Operation: 95-74=21 Exploring Operation: 74-63=11, Resulting Numbers: [95, 71, 11] Generated Node #0,2: 67:[95, 71, 11] Operation: 74-63=11 Exploring Operation: 95-71=24, Resulting Numbers: [74, 63, 24] Generated Node #0,3: 67:[74, 63, 24] Operation: 95-71=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[74, 71, 32], Operations: ['95-63=32'] Exploring Operation: 74+32=106, Resulting Numbers: [71, 106] Generated Node #0,0,0: 67:[71, 106] Operation: 74+32=106 Exploring Operation: 71-32=39, Resulting Numbers: [74, 39] Generated Node #0,0,1: 67:[74, 39] Operation: 71-32=39 Exploring Operation: 74-32=42, Resulting Numbers: [71, 42] Generated Node #0,0,2: 67:[71, 42] Operation: 74-32=42 Exploring Operation: 71+32=103, Resulting Numbers: [74, 103] Generated Node #0,0,3: 67:[74, 103] Operation: 71+32=103 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 67:[71, 42], Operations: ['95-63=32', '74-32=42'] Exploring Operation: 71+42=113, Resulting Numbers: [113] 113,67 unequal: No Solution Exploring Operation: 71-42=29, Resulting Numbers: [29] 29,67 unequal: No Solution Exploring Operation: 71*42=2982, Resulting Numbers: [2982] 2982,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[74, 39], Operations: ['95-63=32', '71-32=39'] Exploring Operation: 74+39=113, Resulting Numbers: [113] 113,67 unequal: No Solution Exploring Operation: 74-39=35, Resulting Numbers: [35] 35,67 unequal: No Solution Exploring Operation: 74*39=2886, Resulting Numbers: [2886] 2886,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[71, 106], Operations: ['95-63=32', '74+32=106'] Exploring Operation: 71*106=7526, Resulting Numbers: [7526] 7526,67 unequal: No Solution Exploring Operation: 71+106=177, Resulting Numbers: [177] 177,67 unequal: No Solution Exploring Operation: 106-71=35, Resulting Numbers: [35] 35,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 67:[74, 103], Operations: ['95-63=32', '71+32=103'] Exploring Operation: 74+103=177, Resulting Numbers: [177] 177,67 unequal: No Solution Exploring Operation: 74*103=7622, Resulting Numbers: [7622] 7622,67 unequal: No Solution Exploring Operation: 103-74=29, Resulting Numbers: [29] 29,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[63, 71, 21], Operations: ['95-74=21'] Exploring Operation: 71+21=92, Resulting Numbers: [63, 92] Generated Node #0,1,0: 67:[63, 92] Operation: 71+21=92 Exploring Operation: 71-21=50, Resulting Numbers: [63, 50] Generated Node #0,1,1: 67:[63, 50] Operation: 71-21=50 Exploring Operation: 63+21=84, Resulting Numbers: [71, 84] Generated Node #0,1,2: 67:[71, 84] Operation: 63+21=84 Exploring Operation: 63-21=42, Resulting Numbers: [71, 42] Generated Node #0,1,3: 67:[71, 42] Operation: 63-21=42 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 67:[63, 50], Operations: ['95-74=21', '71-21=50'] Exploring Operation: 63+50=113, Resulting Numbers: [113] 113,67 unequal: No Solution Exploring Operation: 63-50=13, Resulting Numbers: [13] 13,67 unequal: No Solution Exploring Operation: 63*50=3150, Resulting Numbers: [3150] 3150,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 67:[71, 84], Operations: ['95-74=21', '63+21=84'] Exploring Operation: 71+84=155, Resulting Numbers: [155] 155,67 unequal: No Solution Exploring Operation: 84-71=13, Resulting Numbers: [13] 13,67 unequal: No Solution Exploring Operation: 71*84=5964, Resulting Numbers: [5964] 5964,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[63, 92], Operations: ['95-74=21', '71+21=92'] Exploring Operation: 63*92=5796, Resulting Numbers: [5796] 5796,67 unequal: No Solution Exploring Operation: 92-63=29, Resulting Numbers: [29] 29,67 unequal: No Solution Exploring Operation: 63+92=155, Resulting Numbers: [155] 155,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 67:[71, 42], Operations: ['95-74=21', '63-21=42'] Exploring Operation: 71+42=113, Resulting Numbers: [113] 113,67 unequal: No Solution Exploring Operation: 71*42=2982, Resulting Numbers: [2982] 2982,67 unequal: No Solution Exploring Operation: 71-42=29, Resulting Numbers: [29] 29,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 67:[74, 63, 24], Operations: ['95-71=24'] Exploring Operation: 63-24=39, Resulting Numbers: [74, 39] Generated Node #0,3,0: 67:[74, 39] Operation: 63-24=39 Exploring Operation: 74-24=50, Resulting Numbers: [63, 50] Generated Node #0,3,1: 67:[63, 50] Operation: 74-24=50 Exploring Operation: 74+24=98, Resulting Numbers: [63, 98] Generated Node #0,3,2: 67:[63, 98] Operation: 74+24=98 Exploring Operation: 63+24=87, Resulting Numbers: [74, 87] Generated Node #0,3,3: 67:[74, 87] Operation: 63+24=87 Moving to Node #0,3,1 Current State: 67:[63, 50], Operations: ['95-71=24', '74-24=50'] Exploring Operation: 63-50=13, Resulting Numbers: [13] 13,67 unequal: No Solution Exploring Operation: 63*50=3150, Resulting Numbers: [3150] 3150,67 unequal: No Solution Exploring Operation: 63+50=113, Resulting Numbers: [113] 113,67 unequal: No Solution Moving to Node #0,3,3 Current State: 67:[74, 87], Operations: ['95-71=24', '63+24=87'] Exploring Operation: 74+87=161, Resulting Numbers: [161] 161,67 unequal: No Solution Exploring Operation: 87-74=13, Resulting Numbers: [13] 13,67 unequal: No Solution Exploring Operation: 74*87=6438, Resulting Numbers: [6438] 6438,67 unequal: No Solution Moving to Node #0,3,2 Current State: 67:[63, 98], Operations: ['95-71=24', '74+24=98'] Exploring Operation: 63*98=6174, Resulting Numbers: [6174] 6174,67 unequal: No Solution Exploring Operation: 63+98=161, Resulting Numbers: [161] 161,67 unequal: No Solution Exploring Operation: 98-63=35, Resulting Numbers: [35] 35,67 unequal: No Solution Moving to Node #0,3,0 Current State: 67:[74, 39], Operations: ['95-71=24', '63-24=39'] Exploring Operation: 74-39=35, Resulting Numbers: [35] 35,67 unequal: No Solution Exploring Operation: 74+39=113, Resulting Numbers: [113] 113,67 unequal: No Solution Exploring Operation: 74*39=2886, Resulting Numbers: [2886] 2886,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[95, 71, 11], Operations: ['74-63=11'] Exploring Operation: 95-11=84, Resulting Numbers: [71, 84] Generated Node #0,2,0: 67:[71, 84] Operation: 95-11=84 Exploring Operation: 71-11=60, Resulting Numbers: [95, 60] Generated Node #0,2,1: 67:[95, 60] Operation: 71-11=60 Exploring Operation: 71+11=82, Resulting Numbers: [95, 82] Generated Node #0,2,2: 67:[95, 82] Operation: 71+11=82 Exploring Operation: 95+11=106, Resulting Numbers: [71, 106] Generated Node #0,2,3: 67:[71, 106] Operation: 95+11=106 Moving to Node #0,2,0 Current State: 67:[71, 84], Operations: ['74-63=11', '95-11=84'] Exploring Operation: 84-71=13, Resulting Numbers: [13] 13,67 unequal: No Solution Exploring Operation: 71*84=5964, Resulting Numbers: [5964] 5964,67 unequal: No Solution Exploring Operation: 71+84=155, Resulting Numbers: [155] 155,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[95, 60], Operations: ['74-63=11', '71-11=60'] Exploring Operation: 95+60=155, Resulting Numbers: [155] 155,67 unequal: No Solution Exploring Operation: 95-60=35, Resulting Numbers: [35] 35,67 unequal: No Solution Exploring Operation: 95*60=5700, Resulting Numbers: [5700] 5700,67 unequal: No Solution Moving to Node #0,2,3 Current State: 67:[71, 106], Operations: ['74-63=11', '95+11=106'] Exploring Operation: 71*106=7526, Resulting Numbers: [7526] 7526,67 unequal: No Solution Exploring Operation: 106-71=35, Resulting Numbers: [35] 35,67 unequal: No Solution Exploring Operation: 71+106=177, Resulting Numbers: [177] 177,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[95, 82], Operations: ['74-63=11', '71+11=82'] Exploring Operation: 95+82=177, Resulting Numbers: [177] 177,67 unequal: No Solution Exploring Operation: 95*82=7790, Resulting Numbers: [7790] 7790,67 unequal: No Solution Exploring Operation: 95-82=13, Resulting Numbers: [13] 13,67 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
[ 11, 58, 66, 68 ]
94
[ "58-11=47", "68-66=2", "47*2=94" ]
Current State: 94:[11, 58, 66, 68], Operations: [] Exploring Operation: 58-11=47, Resulting Numbers: [66, 68, 47] Generated Node #2: [66, 68, 47] from Operation: 58-11=47 Current State: 94:[66, 68, 47], Operations: ['58-11=47'] Exploring Operation: 68-66=2, Resulting Numbers: [47, 2] Generated Node #3: [47, 2] from Operation: 68-66=2 Current State: 94:[47, 2], Operations: ['58-11=47', '68-66=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[11, 58, 66, 68], Operations: [] Exploring Operation: 66-58=8, Resulting Numbers: [11, 68, 8] Generated Node #0,0: 94:[11, 68, 8] Operation: 66-58=8 Exploring Operation: 66/11=6, Resulting Numbers: [58, 68, 6] Generated Node #0,1: 94:[58, 68, 6] Operation: 66/11=6 Exploring Operation: 68-58=10, Resulting Numbers: [11, 66, 10] Generated Node #0,2: 94:[11, 66, 10] Operation: 68-58=10 Exploring Operation: 58-11=47, Resulting Numbers: [66, 68, 47] Generated Node #0,3: 94:[66, 68, 47] Operation: 58-11=47 Exploring Operation: 68-66=2, Resulting Numbers: [11, 58, 2] Generated Node #0,4: 94:[11, 58, 2] Operation: 68-66=2 Start Sub Search at level 1: Moving to Node #0,4 Current State: 94:[11, 58, 2], Operations: ['68-66=2'] Exploring Operation: 11+2=13, Resulting Numbers: [58, 13] Generated Node #0,4,0: 94:[58, 13] Operation: 11+2=13 Exploring Operation: 11-2=9, Resulting Numbers: [58, 9] Generated Node #0,4,1: 94:[58, 9] Operation: 11-2=9 Exploring Operation: 58-11=47, Resulting Numbers: [2, 47] Generated Node #0,4,2: 94:[2, 47] Operation: 58-11=47 Exploring Operation: 11+58=69, Resulting Numbers: [2, 69] Generated Node #0,4,3: 94:[2, 69] Operation: 11+58=69 Exploring Operation: 58-2=56, Resulting Numbers: [11, 56] Generated Node #0,4,4: 94:[11, 56] Operation: 58-2=56 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 94:[2, 47], Operations: ['68-66=2', '58-11=47'] Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[11, 58, 66, 68], Operations: [] Exploring Operation: 68-66=2, Resulting Numbers: [11, 58, 2] Generated Node #0,4: 94:[11, 58, 2] Operation: 68-66=2 Moving to Node #0,4 Current State: 94:[11, 58, 2], Operations: ['68-66=2'] Exploring Operation: 58-11=47, Resulting Numbers: [2, 47] Generated Node #0,4,2: 94:[2, 47] Operation: 58-11=47 Moving to Node #0,4,2 Current State: 94:[2, 47], Operations: ['68-66=2', '58-11=47'] Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 49, 8, 72, 37 ]
11
[ "8*72=576", "576-37=539", "539/49=11" ]
Current State: 11:[49, 8, 72, 37], Operations: [] Exploring Operation: 8*72=576, Resulting Numbers: [49, 37, 576] Generated Node #2: [49, 37, 576] from Operation: 8*72=576 Current State: 11:[49, 37, 576], Operations: ['8*72=576'] Exploring Operation: 576-37=539, Resulting Numbers: [49, 539] Generated Node #3: [49, 539] from Operation: 576-37=539 Current State: 11:[49, 539], Operations: ['8*72=576', '576-37=539'] Exploring Operation: 539/49=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[49, 8, 72, 37], Operations: [] Exploring Operation: 72-49=23, Resulting Numbers: [8, 37, 23] Generated Node #0,0: 11:[8, 37, 23] Operation: 72-49=23 Moving to Node #0,0 Current State: 11:[8, 37, 23], Operations: ['72-49=23'] Exploring Operation: 37-23=14, Resulting Numbers: [8, 14] Generated Node #0,0,0: 11:[8, 14] Operation: 37-23=14 Moving to Node #0,0,0 Current State: 11:[8, 14], Operations: ['72-49=23', '37-23=14'] Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,11 unequal: No Solution No solution found.
0
hs_1
sum_heuristic