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
[ 87, 64, 12, 79 ]
20
[ "87-79=8", "64/8=8", "12+8=20" ]
Current State: 20:[87, 64, 12, 79], Operations: [] Exploring Operation: 87-79=8, Resulting Numbers: [64, 12, 8] Generated Node #2: [64, 12, 8] from Operation: 87-79=8 Current State: 20:[64, 12, 8], Operations: ['87-79=8'] Exploring Operation: 64/8=8, Resulting Numbers: [12, 8] Generated Node #3: [12, 8] from Operation: 64/8=8 Current State: 20:[12, 8], Operations: ['87-79=8', '64/8=8'] Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[87, 64, 12, 79], Operations: [] Exploring Operation: 87-64=23, Resulting Numbers: [12, 79, 23] Generated Node #0,0: 20:[12, 79, 23] Operation: 87-64=23 Exploring Operation: 79-64=15, Resulting Numbers: [87, 12, 15] Generated Node #0,1: 20:[87, 12, 15] Operation: 79-64=15 Exploring Operation: 87-79=8, Resulting Numbers: [64, 12, 8] Generated Node #0,2: 20:[64, 12, 8] Operation: 87-79=8 Moving to Node #0,2 Current State: 20:[64, 12, 8], Operations: ['87-79=8'] Exploring Operation: 64/8=8, Resulting Numbers: [12, 8] Generated Node #0,2,0: 20:[12, 8] Operation: 64/8=8 Exploring Operation: 64-12=52, Resulting Numbers: [8, 52] Generated Node #0,2,1: 20:[8, 52] Operation: 64-12=52 Exploring Operation: 64-8=56, Resulting Numbers: [12, 56] Generated Node #0,2,2: 20:[12, 56] Operation: 64-8=56 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 20:[12, 8], Operations: ['87-79=8', '64/8=8'] Exploring Operation: 12*8=96, Resulting Numbers: [96] 96,20 unequal: No Solution Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[87, 64, 12, 79], Operations: [] Exploring Operation: 87-79=8, Resulting Numbers: [64, 12, 8] Generated Node #0,2: 20:[64, 12, 8] Operation: 87-79=8 Moving to Node #0,2 Current State: 20:[64, 12, 8], Operations: ['87-79=8'] Exploring Operation: 64/8=8, Resulting Numbers: [12, 8] Generated Node #0,2,0: 20:[12, 8] Operation: 64/8=8 Moving to Node #0,2,0 Current State: 20:[12, 8], Operations: ['87-79=8', '64/8=8'] Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 55, 66, 44, 53 ]
47
[ "55-44=11", "66/11=6", "53-6=47" ]
Current State: 47:[55, 66, 44, 53], Operations: [] Exploring Operation: 55-44=11, Resulting Numbers: [66, 53, 11] Generated Node #2: [66, 53, 11] from Operation: 55-44=11 Current State: 47:[66, 53, 11], Operations: ['55-44=11'] Exploring Operation: 66/11=6, Resulting Numbers: [53, 6] Generated Node #3: [53, 6] from Operation: 66/11=6 Current State: 47:[53, 6], Operations: ['55-44=11', '66/11=6'] Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[55, 66, 44, 53], Operations: [] Exploring Operation: 66-55=11, Resulting Numbers: [44, 53, 11] Generated Node #0,0: 47:[44, 53, 11] Operation: 66-55=11 Exploring Operation: 66-44=22, Resulting Numbers: [55, 53, 22] Generated Node #0,1: 47:[55, 53, 22] Operation: 66-44=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[55, 53, 22], Operations: ['66-44=22'] Exploring Operation: 53-22=31, Resulting Numbers: [55, 31] Generated Node #0,1,0: 47:[55, 31] Operation: 53-22=31 Exploring Operation: 55-22=33, Resulting Numbers: [53, 33] Generated Node #0,1,1: 47:[53, 33] Operation: 55-22=33 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 47:[53, 33], Operations: ['66-44=22', '55-22=33'] Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,47 unequal: No Solution Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,47 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:[55, 31], Operations: ['66-44=22', '53-22=31'] Exploring Operation: 55-31=24, Resulting Numbers: [24] 24,47 unequal: No Solution Exploring Operation: 55+31=86, Resulting Numbers: [86] 86,47 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:[44, 53, 11], Operations: ['66-55=11'] Exploring Operation: 53-11=42, Resulting Numbers: [44, 42] Generated Node #0,0,0: 47:[44, 42] Operation: 53-11=42 Exploring Operation: 44+11=55, Resulting Numbers: [53, 55] Generated Node #0,0,1: 47:[53, 55] Operation: 44+11=55 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[44, 42], Operations: ['66-55=11', '53-11=42'] Exploring Operation: 44+42=86, Resulting Numbers: [86] 86,47 unequal: No Solution Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,47 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:[53, 55], Operations: ['66-55=11', '44+11=55'] Exploring Operation: 55-53=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 53+55=108, Resulting Numbers: [108] 108,47 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_2
mult_heuristic
[ 66, 1, 27, 2 ]
93
[ "66+27=93", "2-1=1", "93*1=93" ]
Current State: 93:[66, 1, 27, 2], Operations: [] Exploring Operation: 66+27=93, Resulting Numbers: [1, 2, 93] Generated Node #2: [1, 2, 93] from Operation: 66+27=93 Current State: 93:[1, 2, 93], Operations: ['66+27=93'] Exploring Operation: 2-1=1, Resulting Numbers: [93, 1] Generated Node #3: [93, 1] from Operation: 2-1=1 Current State: 93:[93, 1], Operations: ['66+27=93', '2-1=1'] Exploring Operation: 93*1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[66, 1, 27, 2], Operations: [] Exploring Operation: 66+27=93, Resulting Numbers: [1, 2, 93] Generated Node #0,0: 93:[1, 2, 93] Operation: 66+27=93 Exploring Operation: 66/2=33, Resulting Numbers: [1, 27, 33] Generated Node #0,1: 93:[1, 27, 33] Operation: 66/2=33 Moving to Node #0,0 Current State: 93:[1, 2, 93], Operations: ['66+27=93'] Exploring Operation: 1+2=3, Resulting Numbers: [93, 3] Generated Node #0,0,0: 93:[93, 3] Operation: 1+2=3 Exploring Operation: 1*2=2, Resulting Numbers: [93, 2] Generated Node #0,0,1: 93:[93, 2] Operation: 1*2=2 Moving to Node #0,1 Current State: 93:[1, 27, 33], Operations: ['66/2=33'] Exploring Operation: 1+27=28, Resulting Numbers: [33, 28] Generated Node #0,1,0: 93:[33, 28] Operation: 1+27=28 Exploring Operation: 33-1=32, Resulting Numbers: [27, 32] Generated Node #0,1,1: 93:[27, 32] Operation: 33-1=32 Moving to Node #0,0,0 Current State: 93:[93, 3], Operations: ['66+27=93', '1+2=3'] Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,93 unequal: No Solution Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[93, 2], Operations: ['66+27=93', '1*2=2'] Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[27, 32], Operations: ['66/2=33', '33-1=32'] Exploring Operation: 27+32=59, Resulting Numbers: [59] 59,93 unequal: No Solution Exploring Operation: 32-27=5, Resulting Numbers: [5] 5,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[33, 28], Operations: ['66/2=33', '1+27=28'] Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 33+28=61, Resulting Numbers: [61] 61,93 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 3, 32, 61, 41 ]
92
[ "61-41=20", "3*20=60", "32+60=92" ]
Current State: 92:[3, 32, 61, 41], Operations: [] Exploring Operation: 61-41=20, Resulting Numbers: [3, 32, 20] Generated Node #2: [3, 32, 20] from Operation: 61-41=20 Current State: 92:[3, 32, 20], Operations: ['61-41=20'] Exploring Operation: 3*20=60, Resulting Numbers: [32, 60] Generated Node #3: [32, 60] from Operation: 3*20=60 Current State: 92:[32, 60], Operations: ['61-41=20', '3*20=60'] Exploring Operation: 32+60=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[3, 32, 61, 41], Operations: [] Exploring Operation: 41-32=9, Resulting Numbers: [3, 61, 9] Generated Node #0,0: 92:[3, 61, 9] Operation: 41-32=9 Exploring Operation: 61-41=20, Resulting Numbers: [3, 32, 20] Generated Node #0,1: 92:[3, 32, 20] Operation: 61-41=20 Exploring Operation: 61+41=102, Resulting Numbers: [3, 32, 102] Generated Node #0,2: 92:[3, 32, 102] Operation: 61+41=102 Exploring Operation: 61-32=29, Resulting Numbers: [3, 41, 29] Generated Node #0,3: 92:[3, 41, 29] Operation: 61-32=29 Exploring Operation: 32+61=93, Resulting Numbers: [3, 41, 93] Generated Node #0,4: 92:[3, 41, 93] Operation: 32+61=93 Start Sub Search at level 1: Moving to Node #0,4 Current State: 92:[3, 41, 93], Operations: ['32+61=93'] Exploring Operation: 41-3=38, Resulting Numbers: [93, 38] Generated Node #0,4,0: 92:[93, 38] Operation: 41-3=38 Exploring Operation: 93-41=52, Resulting Numbers: [3, 52] Generated Node #0,4,1: 92:[3, 52] Operation: 93-41=52 Exploring Operation: 93-3=90, Resulting Numbers: [41, 90] Generated Node #0,4,2: 92:[41, 90] Operation: 93-3=90 Exploring Operation: 3+93=96, Resulting Numbers: [41, 96] Generated Node #0,4,3: 92:[41, 96] Operation: 3+93=96 Exploring Operation: 3+41=44, Resulting Numbers: [93, 44] Generated Node #0,4,4: 92:[93, 44] Operation: 3+41=44 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 92:[93, 44], Operations: ['32+61=93', '3+41=44'] Exploring Operation: 93-44=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 93+44=137, Resulting Numbers: [137] 137,92 unequal: No Solution Exploring Operation: 93*44=4092, Resulting Numbers: [4092] 4092,92 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 #0,4,1 Current State: 92:[3, 52], Operations: ['32+61=93', '93-41=52'] Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,92 unequal: No Solution Exploring Operation: 3*52=156, Resulting Numbers: [156] 156,92 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,92 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 #0,4,2 Current State: 92:[41, 90], Operations: ['32+61=93', '93-3=90'] Exploring Operation: 41+90=131, Resulting Numbers: [131] 131,92 unequal: No Solution Exploring Operation: 41*90=3690, Resulting Numbers: [3690] 3690,92 unequal: No Solution Exploring Operation: 90-41=49, Resulting Numbers: [49] 49,92 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 #0,4,0 Current State: 92:[93, 38], Operations: ['32+61=93', '41-3=38'] Exploring Operation: 93*38=3534, Resulting Numbers: [3534] 3534,92 unequal: No Solution Exploring Operation: 93-38=55, Resulting Numbers: [55] 55,92 unequal: No Solution Exploring Operation: 93+38=131, Resulting Numbers: [131] 131,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 92:[41, 96], Operations: ['32+61=93', '3+93=96'] Exploring Operation: 96-41=55, Resulting Numbers: [55] 55,92 unequal: No Solution Exploring Operation: 41*96=3936, Resulting Numbers: [3936] 3936,92 unequal: No Solution Exploring Operation: 41+96=137, Resulting Numbers: [137] 137,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 92:[3, 41, 29], Operations: ['61-32=29'] Exploring Operation: 29-3=26, Resulting Numbers: [41, 26] Generated Node #0,3,0: 92:[41, 26] Operation: 29-3=26 Exploring Operation: 41-3=38, Resulting Numbers: [29, 38] Generated Node #0,3,1: 92:[29, 38] Operation: 41-3=38 Exploring Operation: 3+41=44, Resulting Numbers: [29, 44] Generated Node #0,3,2: 92:[29, 44] Operation: 3+41=44 Exploring Operation: 3*29=87, Resulting Numbers: [41, 87] Generated Node #0,3,3: 92:[41, 87] Operation: 3*29=87 Exploring Operation: 41-29=12, Resulting Numbers: [3, 12] Generated Node #0,3,4: 92:[3, 12] Operation: 41-29=12 Moving to Node #0,3,0 Current State: 92:[41, 26], Operations: ['61-32=29', '29-3=26'] Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,92 unequal: No Solution Exploring Operation: 41+26=67, Resulting Numbers: [67] 67,92 unequal: No Solution Exploring Operation: 41*26=1066, Resulting Numbers: [1066] 1066,92 unequal: No Solution Moving to Node #0,3,2 Current State: 92:[29, 44], Operations: ['61-32=29', '3+41=44'] Exploring Operation: 44-29=15, Resulting Numbers: [15] 15,92 unequal: No Solution Exploring Operation: 29+44=73, Resulting Numbers: [73] 73,92 unequal: No Solution Exploring Operation: 29*44=1276, Resulting Numbers: [1276] 1276,92 unequal: No Solution Moving to Node #0,3,4 Current State: 92:[3, 12], Operations: ['61-32=29', '41-29=12'] Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,92 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,92 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,92 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,92 unequal: No Solution Moving to Node #0,3,3 Current State: 92:[41, 87], Operations: ['61-32=29', '3*29=87'] Exploring Operation: 41+87=128, Resulting Numbers: [128] 128,92 unequal: No Solution Exploring Operation: 87-41=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 41*87=3567, Resulting Numbers: [3567] 3567,92 unequal: No Solution Moving to Node #0,3,1 Current State: 92:[29, 38], Operations: ['61-32=29', '41-3=38'] Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,92 unequal: No Solution Exploring Operation: 29+38=67, Resulting Numbers: [67] 67,92 unequal: No Solution Exploring Operation: 29*38=1102, Resulting Numbers: [1102] 1102,92 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 Current State: 92:[3, 32, 20], Operations: ['61-41=20'] Exploring Operation: 32-3=29, Resulting Numbers: [20, 29] Generated Node #0,1,0: 92:[20, 29] Operation: 32-3=29 Exploring Operation: 32-20=12, Resulting Numbers: [3, 12] Generated Node #0,1,1: 92:[3, 12] Operation: 32-20=12 Exploring Operation: 32+20=52, Resulting Numbers: [3, 52] Generated Node #0,1,2: 92:[3, 52] Operation: 32+20=52 Exploring Operation: 3+20=23, Resulting Numbers: [32, 23] Generated Node #0,1,3: 92:[32, 23] Operation: 3+20=23 Exploring Operation: 3*32=96, Resulting Numbers: [20, 96] Generated Node #0,1,4: 92:[20, 96] Operation: 3*32=96 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 92:[3, 52], Operations: ['61-41=20', '32+20=52'] Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,92 unequal: No Solution Exploring Operation: 3*52=156, Resulting Numbers: [156] 156,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 92:[20, 96], Operations: ['61-41=20', '3*32=96'] Exploring Operation: 20*96=1920, Resulting Numbers: [1920] 1920,92 unequal: No Solution Exploring Operation: 96-20=76, Resulting Numbers: [76] 76,92 unequal: No Solution Exploring Operation: 20+96=116, Resulting Numbers: [116] 116,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 92:[20, 29], Operations: ['61-41=20', '32-3=29'] Exploring Operation: 20*29=580, Resulting Numbers: [580] 580,92 unequal: No Solution Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,92 unequal: No Solution Exploring Operation: 20+29=49, Resulting Numbers: [49] 49,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 92:[3, 12], Operations: ['61-41=20', '32-20=12'] Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,92 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,92 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,92 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 92:[32, 23], Operations: ['61-41=20', '3+20=23'] Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,92 unequal: No Solution Exploring Operation: 32*23=736, Resulting Numbers: [736] 736,92 unequal: No Solution Exploring Operation: 32+23=55, Resulting Numbers: [55] 55,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[3, 32, 102], Operations: ['61+41=102'] Exploring Operation: 102-3=99, Resulting Numbers: [32, 99] Generated Node #0,2,0: 92:[32, 99] Operation: 102-3=99 Exploring Operation: 3*32=96, Resulting Numbers: [102, 96] Generated Node #0,2,1: 92:[102, 96] Operation: 3*32=96 Exploring Operation: 102/3=34, Resulting Numbers: [32, 34] Generated Node #0,2,2: 92:[32, 34] Operation: 102/3=34 Exploring Operation: 3+32=35, Resulting Numbers: [102, 35] Generated Node #0,2,3: 92:[102, 35] Operation: 3+32=35 Exploring Operation: 32-3=29, Resulting Numbers: [102, 29] Generated Node #0,2,4: 92:[102, 29] Operation: 32-3=29 Moving to Node #0,2,1 Current State: 92:[102, 96], Operations: ['61+41=102', '3*32=96'] Exploring Operation: 102*96=9792, Resulting Numbers: [9792] 9792,92 unequal: No Solution Exploring Operation: 102-96=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 102+96=198, Resulting Numbers: [198] 198,92 unequal: No Solution Moving to Node #0,2,4 Current State: 92:[102, 29], Operations: ['61+41=102', '32-3=29'] Exploring Operation: 102+29=131, Resulting Numbers: [131] 131,92 unequal: No Solution Exploring Operation: 102-29=73, Resulting Numbers: [73] 73,92 unequal: No Solution Exploring Operation: 102*29=2958, Resulting Numbers: [2958] 2958,92 unequal: No Solution Moving to Node #0,2,0 Current State: 92:[32, 99], Operations: ['61+41=102', '102-3=99'] Exploring Operation: 32+99=131, Resulting Numbers: [131] 131,92 unequal: No Solution Exploring Operation: 99-32=67, Resulting Numbers: [67] 67,92 unequal: No Solution Exploring Operation: 32*99=3168, Resulting Numbers: [3168] 3168,92 unequal: No Solution Moving to Node #0,2,2 Current State: 92:[32, 34], Operations: ['61+41=102', '102/3=34'] Exploring Operation: 32*34=1088, Resulting Numbers: [1088] 1088,92 unequal: No Solution Exploring Operation: 32+34=66, Resulting Numbers: [66] 66,92 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,92 unequal: No Solution Moving to Node #0,2,3 Current State: 92:[102, 35], Operations: ['61+41=102', '3+32=35'] Exploring Operation: 102+35=137, Resulting Numbers: [137] 137,92 unequal: No Solution Exploring Operation: 102*35=3570, Resulting Numbers: [3570] 3570,92 unequal: No Solution Exploring Operation: 102-35=67, Resulting Numbers: [67] 67,92 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:[3, 61, 9], Operations: ['41-32=9'] Exploring Operation: 3*9=27, Resulting Numbers: [61, 27] Generated Node #0,0,0: 92:[61, 27] Operation: 3*9=27 Exploring Operation: 61-9=52, Resulting Numbers: [3, 52] Generated Node #0,0,1: 92:[3, 52] Operation: 61-9=52 Exploring Operation: 9/3=3, Resulting Numbers: [61, 3] Generated Node #0,0,2: 92:[61, 3] Operation: 9/3=3 Exploring Operation: 61-3=58, Resulting Numbers: [9, 58] Generated Node #0,0,3: 92:[9, 58] Operation: 61-3=58 Exploring Operation: 9-3=6, Resulting Numbers: [61, 6] Generated Node #0,0,4: 92:[61, 6] Operation: 9-3=6 Moving to Node #0,0,1 Current State: 92:[3, 52], Operations: ['41-32=9', '61-9=52'] Exploring Operation: 3*52=156, Resulting Numbers: [156] 156,92 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[61, 3], Operations: ['41-32=9', '9/3=3'] Exploring Operation: 61*3=183, Resulting Numbers: [183] 183,92 unequal: No Solution Exploring Operation: 61+3=64, Resulting Numbers: [64] 64,92 unequal: No Solution Exploring Operation: 61-3=58, Resulting Numbers: [58] 58,92 unequal: No Solution Moving to Node #0,0,3 Current State: 92:[9, 58], Operations: ['41-32=9', '61-3=58'] Exploring Operation: 9*58=522, Resulting Numbers: [522] 522,92 unequal: No Solution Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 9+58=67, Resulting Numbers: [67] 67,92 unequal: No Solution Moving to Node #0,0,4 Current State: 92:[61, 6], Operations: ['41-32=9', '9-3=6'] Exploring Operation: 61-6=55, Resulting Numbers: [55] 55,92 unequal: No Solution Exploring Operation: 61*6=366, Resulting Numbers: [366] 366,92 unequal: No Solution Exploring Operation: 61+6=67, Resulting Numbers: [67] 67,92 unequal: No Solution Moving to Node #0,0,0 Current State: 92:[61, 27], Operations: ['41-32=9', '3*9=27'] Exploring Operation: 61+27=88, Resulting Numbers: [88] 88,92 unequal: No Solution Exploring Operation: 61*27=1647, Resulting Numbers: [1647] 1647,92 unequal: No Solution Exploring Operation: 61-27=34, Resulting Numbers: [34] 34,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 82, 99, 74, 83 ]
25
[ "83-82=1", "99-74=25", "1*25=25" ]
Current State: 25:[82, 99, 74, 83], Operations: [] Exploring Operation: 83-82=1, Resulting Numbers: [99, 74, 1] Generated Node #2: [99, 74, 1] from Operation: 83-82=1 Current State: 25:[99, 74, 1], Operations: ['83-82=1'] Exploring Operation: 99-74=25, Resulting Numbers: [1, 25] Generated Node #3: [1, 25] from Operation: 99-74=25 Current State: 25:[1, 25], Operations: ['83-82=1', '99-74=25'] Exploring Operation: 1*25=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[82, 99, 74, 83], Operations: [] Exploring Operation: 99-83=16, Resulting Numbers: [82, 74, 16] Generated Node #0,0: 25:[82, 74, 16] Operation: 99-83=16 Exploring Operation: 83-82=1, Resulting Numbers: [99, 74, 1] Generated Node #0,1: 25:[99, 74, 1] Operation: 83-82=1 Exploring Operation: 99-82=17, Resulting Numbers: [74, 83, 17] Generated Node #0,2: 25:[74, 83, 17] Operation: 99-82=17 Exploring Operation: 99-74=25, Resulting Numbers: [82, 83, 25] Generated Node #0,3: 25:[82, 83, 25] Operation: 99-74=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[82, 74, 16], Operations: ['99-83=16'] Exploring Operation: 82+16=98, Resulting Numbers: [74, 98] Generated Node #0,0,0: 25:[74, 98] Operation: 82+16=98 Exploring Operation: 82-16=66, Resulting Numbers: [74, 66] Generated Node #0,0,1: 25:[74, 66] Operation: 82-16=66 Exploring Operation: 74-16=58, Resulting Numbers: [82, 58] Generated Node #0,0,2: 25:[82, 58] Operation: 74-16=58 Exploring Operation: 82-74=8, Resulting Numbers: [16, 8] Generated Node #0,0,3: 25:[16, 8] Operation: 82-74=8 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 25:[16, 8], Operations: ['99-83=16', '82-74=8'] Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 16*8=128, Resulting Numbers: [128] 128,25 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,25 unequal: No Solution No 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: 25:[74, 66], Operations: ['99-83=16', '82-16=66'] Exploring Operation: 74+66=140, Resulting Numbers: [140] 140,25 unequal: No Solution Exploring Operation: 74*66=4884, Resulting Numbers: [4884] 4884,25 unequal: No Solution Exploring Operation: 74-66=8, Resulting Numbers: [8] 8,25 unequal: No Solution No 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: 25:[82, 58], Operations: ['99-83=16', '74-16=58'] Exploring Operation: 82-58=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 82+58=140, Resulting Numbers: [140] 140,25 unequal: No Solution Exploring Operation: 82*58=4756, Resulting Numbers: [4756] 4756,25 unequal: No Solution No 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: 25:[74, 98], Operations: ['99-83=16', '82+16=98'] Exploring Operation: 98-74=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 74*98=7252, Resulting Numbers: [7252] 7252,25 unequal: No Solution Exploring Operation: 74+98=172, Resulting Numbers: [172] 172,25 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: 25:[74, 83, 17], Operations: ['99-82=17'] Exploring Operation: 74+17=91, Resulting Numbers: [83, 91] Generated Node #0,2,0: 25:[83, 91] Operation: 74+17=91 Exploring Operation: 83-17=66, Resulting Numbers: [74, 66] Generated Node #0,2,1: 25:[74, 66] Operation: 83-17=66 Exploring Operation: 83-74=9, Resulting Numbers: [17, 9] Generated Node #0,2,2: 25:[17, 9] Operation: 83-74=9 Exploring Operation: 74-17=57, Resulting Numbers: [83, 57] Generated Node #0,2,3: 25:[83, 57] Operation: 74-17=57 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 25:[17, 9], Operations: ['99-82=17', '83-74=9'] Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,25 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,25 unequal: No Solution No 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: 25:[74, 66], Operations: ['99-82=17', '83-17=66'] Exploring Operation: 74*66=4884, Resulting Numbers: [4884] 4884,25 unequal: No Solution Exploring Operation: 74+66=140, Resulting Numbers: [140] 140,25 unequal: No Solution Exploring Operation: 74-66=8, Resulting Numbers: [8] 8,25 unequal: No Solution No 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: 25:[83, 57], Operations: ['99-82=17', '74-17=57'] Exploring Operation: 83+57=140, Resulting Numbers: [140] 140,25 unequal: No Solution Exploring Operation: 83-57=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 83*57=4731, Resulting Numbers: [4731] 4731,25 unequal: No Solution No 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: 25:[83, 91], Operations: ['99-82=17', '74+17=91'] Exploring Operation: 91-83=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 83*91=7553, Resulting Numbers: [7553] 7553,25 unequal: No Solution Exploring Operation: 83+91=174, Resulting Numbers: [174] 174,25 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: 25:[82, 83, 25], Operations: ['99-74=25'] Exploring Operation: 82+83=165, Resulting Numbers: [25, 165] Generated Node #0,3,0: 25:[25, 165] Operation: 82+83=165 Exploring Operation: 82-25=57, Resulting Numbers: [83, 57] Generated Node #0,3,1: 25:[83, 57] Operation: 82-25=57 Exploring Operation: 83-82=1, Resulting Numbers: [25, 1] Generated Node #0,3,2: 25:[25, 1] Operation: 83-82=1 Exploring Operation: 83-25=58, Resulting Numbers: [82, 58] Generated Node #0,3,3: 25:[82, 58] Operation: 83-25=58 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 25:[25, 1], Operations: ['99-74=25', '83-82=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[82, 99, 74, 83], Operations: [] Exploring Operation: 99-74=25, Resulting Numbers: [82, 83, 25] Generated Node #0,3: 25:[82, 83, 25] Operation: 99-74=25 Moving to Node #0,3 Current State: 25:[82, 83, 25], Operations: ['99-74=25'] Exploring Operation: 83-82=1, Resulting Numbers: [25, 1] Generated Node #0,3,2: 25:[25, 1] Operation: 83-82=1 Moving to Node #0,3,2 Current State: 25:[25, 1], Operations: ['99-74=25', '83-82=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.960069
hs_4
sum_heuristic
[ 84, 12, 44, 82 ]
20
[ "84-82=2", "12*2=24", "44-24=20" ]
Current State: 20:[84, 12, 44, 82], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [12, 44, 2] Generated Node #2: [12, 44, 2] from Operation: 84-82=2 Current State: 20:[12, 44, 2], Operations: ['84-82=2'] Exploring Operation: 12*2=24, Resulting Numbers: [44, 24] Generated Node #3: [44, 24] from Operation: 12*2=24 Current State: 20:[44, 24], Operations: ['84-82=2', '12*2=24'] Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[84, 12, 44, 82], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [12, 44, 2] Generated Node #0,0: 20:[12, 44, 2] Operation: 84-82=2 Exploring Operation: 82-44=38, Resulting Numbers: [84, 12, 38] Generated Node #0,1: 20:[84, 12, 38] Operation: 82-44=38 Exploring Operation: 84-44=40, Resulting Numbers: [12, 82, 40] Generated Node #0,2: 20:[12, 82, 40] Operation: 84-44=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[12, 44, 2], Operations: ['84-82=2'] Exploring Operation: 44-12=32, Resulting Numbers: [2, 32] Generated Node #0,0,0: 20:[2, 32] Operation: 44-12=32 Exploring Operation: 44/2=22, Resulting Numbers: [12, 22] Generated Node #0,0,1: 20:[12, 22] Operation: 44/2=22 Exploring Operation: 12-2=10, Resulting Numbers: [44, 10] Generated Node #0,0,2: 20:[44, 10] Operation: 12-2=10 Moving to Node #0,0,1 Current State: 20:[12, 22], Operations: ['84-82=2', '44/2=22'] Exploring Operation: 12*22=264, Resulting Numbers: [264] 264,20 unequal: No Solution Exploring Operation: 12+22=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[2, 32], Operations: ['84-82=2', '44-12=32'] Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,20 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,20 unequal: No Solution Moving to Node #0,0,2 Current State: 20:[44, 10], Operations: ['84-82=2', '12-2=10'] Exploring Operation: 44*10=440, Resulting Numbers: [440] 440,20 unequal: No Solution Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[84, 12, 38], Operations: ['82-44=38'] Exploring Operation: 84/12=7, Resulting Numbers: [38, 7] Generated Node #0,1,0: 20:[38, 7] Operation: 84/12=7 Exploring Operation: 84-38=46, Resulting Numbers: [12, 46] Generated Node #0,1,1: 20:[12, 46] Operation: 84-38=46 Exploring Operation: 84-12=72, Resulting Numbers: [38, 72] Generated Node #0,1,2: 20:[38, 72] Operation: 84-12=72 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[38, 7], Operations: ['82-44=38', '84/12=7'] Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 38+7=45, Resulting Numbers: [45] 45,20 unequal: No Solution Exploring Operation: 38*7=266, Resulting Numbers: [266] 266,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 20:[12, 46], Operations: ['82-44=38', '84-38=46'] Exploring Operation: 12*46=552, Resulting Numbers: [552] 552,20 unequal: No Solution Exploring Operation: 46-12=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 12+46=58, Resulting Numbers: [58] 58,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 20:[38, 72], Operations: ['82-44=38', '84-12=72'] Exploring Operation: 38*72=2736, Resulting Numbers: [2736] 2736,20 unequal: No Solution Exploring Operation: 38+72=110, Resulting Numbers: [110] 110,20 unequal: No Solution Exploring Operation: 72-38=34, Resulting Numbers: [34] 34,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[12, 82, 40], Operations: ['84-44=40'] Exploring Operation: 82-40=42, Resulting Numbers: [12, 42] Generated Node #0,2,0: 20:[12, 42] Operation: 82-40=42 Exploring Operation: 82-12=70, Resulting Numbers: [40, 70] Generated Node #0,2,1: 20:[40, 70] Operation: 82-12=70 Exploring Operation: 40-12=28, Resulting Numbers: [82, 28] Generated Node #0,2,2: 20:[82, 28] Operation: 40-12=28 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 20:[12, 42], Operations: ['84-44=40', '82-40=42'] Exploring Operation: 12+42=54, Resulting Numbers: [54] 54,20 unequal: No Solution Exploring Operation: 42-12=30, Resulting Numbers: [30] 30,20 unequal: No Solution Exploring Operation: 12*42=504, Resulting Numbers: [504] 504,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 20:[40, 70], Operations: ['84-44=40', '82-12=70'] Exploring Operation: 70-40=30, Resulting Numbers: [30] 30,20 unequal: No Solution Exploring Operation: 40+70=110, Resulting Numbers: [110] 110,20 unequal: No Solution Exploring Operation: 40*70=2800, Resulting Numbers: [2800] 2800,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 20:[82, 28], Operations: ['84-44=40', '40-12=28'] Exploring Operation: 82+28=110, Resulting Numbers: [110] 110,20 unequal: No Solution Exploring Operation: 82*28=2296, Resulting Numbers: [2296] 2296,20 unequal: No Solution Exploring Operation: 82-28=54, Resulting Numbers: [54] 54,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 17, 34, 72, 29 ]
14
[ "34/17=2", "29*2=58", "72-58=14" ]
Current State: 14:[17, 34, 72, 29], Operations: [] Exploring Operation: 34/17=2, Resulting Numbers: [72, 29, 2] Generated Node #2: [72, 29, 2] from Operation: 34/17=2 Current State: 14:[72, 29, 2], Operations: ['34/17=2'] Exploring Operation: 29*2=58, Resulting Numbers: [72, 58] Generated Node #3: [72, 58] from Operation: 29*2=58 Current State: 14:[72, 58], Operations: ['34/17=2', '29*2=58'] Exploring Operation: 72-58=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[17, 34, 72, 29], Operations: [] Exploring Operation: 72-34=38, Resulting Numbers: [17, 29, 38] Generated Node #0,0: 14:[17, 29, 38] Operation: 72-34=38 Moving to Node #0,0 Current State: 14:[17, 29, 38], Operations: ['72-34=38'] Exploring Operation: 38-29=9, Resulting Numbers: [17, 9] Generated Node #0,0,0: 14:[17, 9] Operation: 38-29=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[17, 9], Operations: ['72-34=38', '38-29=9'] Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,14 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
[ 44, 80, 64, 56 ]
54
[ "64-56=8", "80/8=10", "44+10=54" ]
Current State: 54:[44, 80, 64, 56], Operations: [] Exploring Operation: 64-56=8, Resulting Numbers: [44, 80, 8] Generated Node #2: [44, 80, 8] from Operation: 64-56=8 Current State: 54:[44, 80, 8], Operations: ['64-56=8'] Exploring Operation: 80/8=10, Resulting Numbers: [44, 10] Generated Node #3: [44, 10] from Operation: 80/8=10 Current State: 54:[44, 10], Operations: ['64-56=8', '80/8=10'] Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[44, 80, 64, 56], Operations: [] Exploring Operation: 64-56=8, Resulting Numbers: [44, 80, 8] Generated Node #0,0: 54:[44, 80, 8] Operation: 64-56=8 Exploring Operation: 64-44=20, Resulting Numbers: [80, 56, 20] Generated Node #0,1: 54:[80, 56, 20] Operation: 64-44=20 Exploring Operation: 80-44=36, Resulting Numbers: [64, 56, 36] Generated Node #0,2: 54:[64, 56, 36] Operation: 80-44=36 Exploring Operation: 80-64=16, Resulting Numbers: [44, 56, 16] Generated Node #0,3: 54:[44, 56, 16] Operation: 80-64=16 Exploring Operation: 80-56=24, Resulting Numbers: [44, 64, 24] Generated Node #0,4: 54:[44, 64, 24] Operation: 80-56=24 Start Sub Search at level 1: Moving to Node #0,3 Current State: 54:[44, 56, 16], Operations: ['80-64=16'] Exploring Operation: 56-44=12, Resulting Numbers: [16, 12] Generated Node #0,3,0: 54:[16, 12] Operation: 56-44=12 Exploring Operation: 44+16=60, Resulting Numbers: [56, 60] Generated Node #0,3,1: 54:[56, 60] Operation: 44+16=60 Exploring Operation: 56-16=40, Resulting Numbers: [44, 40] Generated Node #0,3,2: 54:[44, 40] Operation: 56-16=40 Exploring Operation: 44-16=28, Resulting Numbers: [56, 28] Generated Node #0,3,3: 54:[56, 28] Operation: 44-16=28 Exploring Operation: 56+16=72, Resulting Numbers: [44, 72] Generated Node #0,3,4: 54:[44, 72] Operation: 56+16=72 Moving to Node #0,3,3 Current State: 54:[56, 28], Operations: ['80-64=16', '44-16=28'] Exploring Operation: 56-28=28, Resulting Numbers: [28] 28,54 unequal: No Solution Exploring Operation: 56*28=1568, Resulting Numbers: [1568] 1568,54 unequal: No Solution Exploring Operation: 56+28=84, Resulting Numbers: [84] 84,54 unequal: No Solution Exploring Operation: 56/28=2, Resulting Numbers: [2] 2,54 unequal: No Solution Moving to Node #0,3,0 Current State: 54:[16, 12], Operations: ['80-64=16', '56-44=12'] Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,54 unequal: No Solution Exploring Operation: 16+12=28, Resulting Numbers: [28] 28,54 unequal: No Solution Exploring Operation: 16*12=192, Resulting Numbers: [192] 192,54 unequal: No Solution Moving to Node #0,3,1 Current State: 54:[56, 60], Operations: ['80-64=16', '44+16=60'] Exploring Operation: 56+60=116, Resulting Numbers: [116] 116,54 unequal: No Solution Exploring Operation: 60-56=4, Resulting Numbers: [4] 4,54 unequal: No Solution Exploring Operation: 56*60=3360, Resulting Numbers: [3360] 3360,54 unequal: No Solution Moving to Node #0,3,2 Current State: 54:[44, 40], Operations: ['80-64=16', '56-16=40'] Exploring Operation: 44*40=1760, Resulting Numbers: [1760] 1760,54 unequal: No Solution Exploring Operation: 44+40=84, Resulting Numbers: [84] 84,54 unequal: No Solution Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,54 unequal: No Solution Moving to Node #0,3,4 Current State: 54:[44, 72], Operations: ['80-64=16', '56+16=72'] Exploring Operation: 44+72=116, Resulting Numbers: [116] 116,54 unequal: No Solution Exploring Operation: 44*72=3168, Resulting Numbers: [3168] 3168,54 unequal: No Solution Exploring Operation: 72-44=28, Resulting Numbers: [28] 28,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[64, 56, 36], Operations: ['80-44=36'] Exploring Operation: 64-36=28, Resulting Numbers: [56, 28] Generated Node #0,2,0: 54:[56, 28] Operation: 64-36=28 Exploring Operation: 56-36=20, Resulting Numbers: [64, 20] Generated Node #0,2,1: 54:[64, 20] Operation: 56-36=20 Exploring Operation: 64+36=100, Resulting Numbers: [56, 100] Generated Node #0,2,2: 54:[56, 100] Operation: 64+36=100 Exploring Operation: 64-56=8, Resulting Numbers: [36, 8] Generated Node #0,2,3: 54:[36, 8] Operation: 64-56=8 Exploring Operation: 56+36=92, Resulting Numbers: [64, 92] Generated Node #0,2,4: 54:[64, 92] Operation: 56+36=92 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 54:[56, 28], Operations: ['80-44=36', '64-36=28'] Exploring Operation: 56-28=28, Resulting Numbers: [28] 28,54 unequal: No Solution Exploring Operation: 56/28=2, Resulting Numbers: [2] 2,54 unequal: No Solution Exploring Operation: 56+28=84, Resulting Numbers: [84] 84,54 unequal: No Solution Exploring Operation: 56*28=1568, Resulting Numbers: [1568] 1568,54 unequal: No Solution No 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: 54:[36, 8], Operations: ['80-44=36', '64-56=8'] Exploring Operation: 36+8=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 36*8=288, Resulting Numbers: [288] 288,54 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,54 unequal: No Solution No 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: 54:[64, 20], Operations: ['80-44=36', '56-36=20'] Exploring Operation: 64+20=84, Resulting Numbers: [84] 84,54 unequal: No Solution Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 64*20=1280, Resulting Numbers: [1280] 1280,54 unequal: No Solution No 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: 54:[56, 100], Operations: ['80-44=36', '64+36=100'] Exploring Operation: 56+100=156, Resulting Numbers: [156] 156,54 unequal: No Solution Exploring Operation: 100-56=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 56*100=5600, Resulting Numbers: [5600] 5600,54 unequal: No Solution No 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: 54:[64, 92], Operations: ['80-44=36', '56+36=92'] Exploring Operation: 92-64=28, Resulting Numbers: [28] 28,54 unequal: No Solution Exploring Operation: 64+92=156, Resulting Numbers: [156] 156,54 unequal: No Solution Exploring Operation: 64*92=5888, Resulting Numbers: [5888] 5888,54 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: 54:[44, 64, 24], Operations: ['80-56=24'] Exploring Operation: 64-24=40, Resulting Numbers: [44, 40] Generated Node #0,4,0: 54:[44, 40] Operation: 64-24=40 Exploring Operation: 44+24=68, Resulting Numbers: [64, 68] Generated Node #0,4,1: 54:[64, 68] Operation: 44+24=68 Exploring Operation: 44-24=20, Resulting Numbers: [64, 20] Generated Node #0,4,2: 54:[64, 20] Operation: 44-24=20 Exploring Operation: 64+24=88, Resulting Numbers: [44, 88] Generated Node #0,4,3: 54:[44, 88] Operation: 64+24=88 Exploring Operation: 64-44=20, Resulting Numbers: [24, 20] Generated Node #0,4,4: 54:[24, 20] Operation: 64-44=20 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 54:[24, 20], Operations: ['80-56=24', '64-44=20'] Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 24*20=480, Resulting Numbers: [480] 480,54 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,54 unequal: No Solution No 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: 54:[64, 20], Operations: ['80-56=24', '44-24=20'] Exploring Operation: 64+20=84, Resulting Numbers: [84] 84,54 unequal: No Solution Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 64*20=1280, Resulting Numbers: [1280] 1280,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 54:[44, 40], Operations: ['80-56=24', '64-24=40'] Exploring Operation: 44*40=1760, Resulting Numbers: [1760] 1760,54 unequal: No Solution Exploring Operation: 44+40=84, Resulting Numbers: [84] 84,54 unequal: No Solution Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,54 unequal: No Solution No 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: 54:[64, 68], Operations: ['80-56=24', '44+24=68'] Exploring Operation: 64+68=132, Resulting Numbers: [132] 132,54 unequal: No Solution Exploring Operation: 64*68=4352, Resulting Numbers: [4352] 4352,54 unequal: No Solution Exploring Operation: 68-64=4, Resulting Numbers: [4] 4,54 unequal: No Solution No 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: 54:[44, 88], Operations: ['80-56=24', '64+24=88'] Exploring Operation: 88-44=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 44+88=132, Resulting Numbers: [132] 132,54 unequal: No Solution Exploring Operation: 88/44=2, Resulting Numbers: [2] 2,54 unequal: No Solution Exploring Operation: 44*88=3872, Resulting Numbers: [3872] 3872,54 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: 54:[80, 56, 20], Operations: ['64-44=20'] Exploring Operation: 80+20=100, Resulting Numbers: [56, 100] Generated Node #0,1,0: 54:[56, 100] Operation: 80+20=100 Exploring Operation: 80/20=4, Resulting Numbers: [56, 4] Generated Node #0,1,1: 54:[56, 4] Operation: 80/20=4 Exploring Operation: 80-20=60, Resulting Numbers: [56, 60] Generated Node #0,1,2: 54:[56, 60] Operation: 80-20=60 Exploring Operation: 56-20=36, Resulting Numbers: [80, 36] Generated Node #0,1,3: 54:[80, 36] Operation: 56-20=36 Exploring Operation: 80-56=24, Resulting Numbers: [20, 24] Generated Node #0,1,4: 54:[20, 24] Operation: 80-56=24 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[56, 4], Operations: ['64-44=20', '80/20=4'] Exploring Operation: 56+4=60, Resulting Numbers: [60] 60,54 unequal: No Solution Exploring Operation: 56*4=224, Resulting Numbers: [224] 224,54 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,54 unequal: No Solution No 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: 54:[20, 24], Operations: ['64-44=20', '80-56=24'] Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 20*24=480, Resulting Numbers: [480] 480,54 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,54 unequal: No Solution No 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: 54:[56, 60], Operations: ['64-44=20', '80-20=60'] Exploring Operation: 56*60=3360, Resulting Numbers: [3360] 3360,54 unequal: No Solution Exploring Operation: 60-56=4, Resulting Numbers: [4] 4,54 unequal: No Solution Exploring Operation: 56+60=116, Resulting Numbers: [116] 116,54 unequal: No Solution No 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: 54:[80, 36], Operations: ['64-44=20', '56-20=36'] Exploring Operation: 80*36=2880, Resulting Numbers: [2880] 2880,54 unequal: No Solution Exploring Operation: 80-36=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 80+36=116, Resulting Numbers: [116] 116,54 unequal: No Solution No 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: 54:[56, 100], Operations: ['64-44=20', '80+20=100'] Exploring Operation: 56*100=5600, Resulting Numbers: [5600] 5600,54 unequal: No Solution Exploring Operation: 56+100=156, Resulting Numbers: [156] 156,54 unequal: No Solution Exploring Operation: 100-56=44, Resulting Numbers: [44] 44,54 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: 54:[44, 80, 8], Operations: ['64-56=8'] Exploring Operation: 44-8=36, Resulting Numbers: [80, 36] Generated Node #0,0,0: 54:[80, 36] Operation: 44-8=36 Exploring Operation: 80-44=36, Resulting Numbers: [8, 36] Generated Node #0,0,1: 54:[8, 36] Operation: 80-44=36 Exploring Operation: 80/8=10, Resulting Numbers: [44, 10] Generated Node #0,0,2: 54:[44, 10] Operation: 80/8=10 Exploring Operation: 44+8=52, Resulting Numbers: [80, 52] Generated Node #0,0,3: 54:[80, 52] Operation: 44+8=52 Exploring Operation: 80-8=72, Resulting Numbers: [44, 72] Generated Node #0,0,4: 54:[44, 72] Operation: 80-8=72 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 54:[8, 36], Operations: ['64-56=8', '80-44=36'] Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,54 unequal: No Solution Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,54 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,54 unequal: No Solution No 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: 54:[44, 10], Operations: ['64-56=8', '80/8=10'] Exploring Operation: 44*10=440, Resulting Numbers: [440] 440,54 unequal: No Solution Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,54 unequal: No Solution Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[44, 80, 64, 56], Operations: [] Exploring Operation: 64-56=8, Resulting Numbers: [44, 80, 8] Generated Node #0,0: 54:[44, 80, 8] Operation: 64-56=8 Moving to Node #0,0 Current State: 54:[44, 80, 8], Operations: ['64-56=8'] Exploring Operation: 80/8=10, Resulting Numbers: [44, 10] Generated Node #0,0,2: 54:[44, 10] Operation: 80/8=10 Moving to Node #0,0,2 Current State: 54:[44, 10], Operations: ['64-56=8', '80/8=10'] Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.909722
hs_5
sum_heuristic
[ 36, 2, 64, 61 ]
57
[ "61-36=25", "64/2=32", "25+32=57" ]
Current State: 57:[36, 2, 64, 61], Operations: [] Exploring Operation: 61-36=25, Resulting Numbers: [2, 64, 25] Generated Node #2: [2, 64, 25] from Operation: 61-36=25 Current State: 57:[2, 64, 25], Operations: ['61-36=25'] Exploring Operation: 64/2=32, Resulting Numbers: [25, 32] Generated Node #3: [25, 32] from Operation: 64/2=32 Current State: 57:[25, 32], Operations: ['61-36=25', '64/2=32'] Exploring Operation: 25+32=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[36, 2, 64, 61], Operations: [] Exploring Operation: 36/2=18, Resulting Numbers: [64, 61, 18] Generated Node #0,0: 57:[64, 61, 18] Operation: 36/2=18 Exploring Operation: 64-36=28, Resulting Numbers: [2, 61, 28] Generated Node #0,1: 57:[2, 61, 28] Operation: 64-36=28 Moving to Node #0,0 Current State: 57:[64, 61, 18], Operations: ['36/2=18'] Exploring Operation: 64-18=46, Resulting Numbers: [61, 46] Generated Node #0,0,0: 57:[61, 46] Operation: 64-18=46 Exploring Operation: 64-61=3, Resulting Numbers: [18, 3] Generated Node #0,0,1: 57:[18, 3] Operation: 64-61=3 Moving to Node #0,1 Current State: 57:[2, 61, 28], Operations: ['64-36=28'] Exploring Operation: 2*28=56, Resulting Numbers: [61, 56] Generated Node #0,1,0: 57:[61, 56] Operation: 2*28=56 Exploring Operation: 28/2=14, Resulting Numbers: [61, 14] Generated Node #0,1,1: 57:[61, 14] Operation: 28/2=14 Moving to Node #0,0,1 Current State: 57:[18, 3], Operations: ['36/2=18', '64-61=3'] Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,57 unequal: No Solution Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[61, 56], Operations: ['64-36=28', '2*28=56'] Exploring Operation: 61+56=117, Resulting Numbers: [117] 117,57 unequal: No Solution Exploring Operation: 61-56=5, Resulting Numbers: [5] 5,57 unequal: No Solution Moving to Node #0,1,1 Current State: 57:[61, 14], Operations: ['64-36=28', '28/2=14'] Exploring Operation: 61+14=75, Resulting Numbers: [75] 75,57 unequal: No Solution Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[61, 46], Operations: ['36/2=18', '64-18=46'] Exploring Operation: 61-46=15, Resulting Numbers: [15] 15,57 unequal: No Solution Exploring Operation: 61+46=107, Resulting Numbers: [107] 107,57 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 26, 93, 28, 61 ]
86
[ "26+93=119", "61-28=33", "119-33=86" ]
Current State: 86:[26, 93, 28, 61], Operations: [] Exploring Operation: 26+93=119, Resulting Numbers: [28, 61, 119] Generated Node #2: [28, 61, 119] from Operation: 26+93=119 Current State: 86:[28, 61, 119], Operations: ['26+93=119'] Exploring Operation: 61-28=33, Resulting Numbers: [119, 33] Generated Node #3: [119, 33] from Operation: 61-28=33 Current State: 86:[119, 33], Operations: ['26+93=119', '61-28=33'] Exploring Operation: 119-33=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[26, 93, 28, 61], Operations: [] Exploring Operation: 28-26=2, Resulting Numbers: [93, 61, 2] Generated Node #0,0: 86:[93, 61, 2] Operation: 28-26=2 Exploring Operation: 26+61=87, Resulting Numbers: [93, 28, 87] Generated Node #0,1: 86:[93, 28, 87] Operation: 26+61=87 Exploring Operation: 28+61=89, Resulting Numbers: [26, 93, 89] Generated Node #0,2: 86:[26, 93, 89] Operation: 28+61=89 Moving to Node #0,1 Current State: 86:[93, 28, 87], Operations: ['26+61=87'] Exploring Operation: 87-28=59, Resulting Numbers: [93, 59] Generated Node #0,1,0: 86:[93, 59] Operation: 87-28=59 Exploring Operation: 93-28=65, Resulting Numbers: [87, 65] Generated Node #0,1,1: 86:[87, 65] Operation: 93-28=65 Exploring Operation: 93-87=6, Resulting Numbers: [28, 6] Generated Node #0,1,2: 86:[28, 6] Operation: 93-87=6 Moving to Node #0,0 Current State: 86:[93, 61, 2], Operations: ['28-26=2'] Exploring Operation: 93-2=91, Resulting Numbers: [61, 91] Generated Node #0,0,0: 86:[61, 91] Operation: 93-2=91 Exploring Operation: 93-61=32, Resulting Numbers: [2, 32] Generated Node #0,0,1: 86:[2, 32] Operation: 93-61=32 Exploring Operation: 61-2=59, Resulting Numbers: [93, 59] Generated Node #0,0,2: 86:[93, 59] Operation: 61-2=59 Moving to Node #0,2 Current State: 86:[26, 93, 89], Operations: ['28+61=89'] Exploring Operation: 89-26=63, Resulting Numbers: [93, 63] Generated Node #0,2,0: 86:[93, 63] Operation: 89-26=63 Exploring Operation: 93-89=4, Resulting Numbers: [26, 4] Generated Node #0,2,1: 86:[26, 4] Operation: 93-89=4 Exploring Operation: 93-26=67, Resulting Numbers: [89, 67] Generated Node #0,2,2: 86:[89, 67] Operation: 93-26=67 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 86:[26, 4], Operations: ['28+61=89', '93-89=4'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,86 unequal: No Solution Exploring Operation: 26*4=104, Resulting Numbers: [104] 104,86 unequal: No Solution Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 86:[89, 67], Operations: ['28+61=89', '93-26=67'] Exploring Operation: 89-67=22, Resulting Numbers: [22] 22,86 unequal: No Solution Exploring Operation: 89*67=5963, Resulting Numbers: [5963] 5963,86 unequal: No Solution Exploring Operation: 89+67=156, Resulting Numbers: [156] 156,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 86:[93, 63], Operations: ['28+61=89', '89-26=63'] Exploring Operation: 93*63=5859, Resulting Numbers: [5859] 5859,86 unequal: No Solution Exploring Operation: 93-63=30, Resulting Numbers: [30] 30,86 unequal: No Solution Exploring Operation: 93+63=156, Resulting Numbers: [156] 156,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 86:[2, 32], Operations: ['28-26=2', '93-61=32'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,86 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,86 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,86 unequal: No Solution Moving to Node #0,1,2 Current State: 86:[28, 6], Operations: ['26+61=87', '93-87=6'] Exploring Operation: 28*6=168, Resulting Numbers: [168] 168,86 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,86 unequal: No Solution Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,86 unequal: No Solution Moving to Node #0,1,1 Current State: 86:[87, 65], Operations: ['26+61=87', '93-28=65'] Exploring Operation: 87+65=152, Resulting Numbers: [152] 152,86 unequal: No Solution Exploring Operation: 87*65=5655, Resulting Numbers: [5655] 5655,86 unequal: No Solution Exploring Operation: 87-65=22, Resulting Numbers: [22] 22,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[93, 59], Operations: ['26+61=87', '87-28=59'] Exploring Operation: 93+59=152, Resulting Numbers: [152] 152,86 unequal: No Solution Exploring Operation: 93-59=34, Resulting Numbers: [34] 34,86 unequal: No Solution Exploring Operation: 93*59=5487, Resulting Numbers: [5487] 5487,86 unequal: No Solution Moving to Node #0,0,2 Current State: 86:[93, 59], Operations: ['28-26=2', '61-2=59'] Exploring Operation: 93*59=5487, Resulting Numbers: [5487] 5487,86 unequal: No Solution Exploring Operation: 93-59=34, Resulting Numbers: [34] 34,86 unequal: No Solution Exploring Operation: 93+59=152, Resulting Numbers: [152] 152,86 unequal: No Solution Moving to Node #0,0,0 Current State: 86:[61, 91], Operations: ['28-26=2', '93-2=91'] Exploring Operation: 91-61=30, Resulting Numbers: [30] 30,86 unequal: No Solution Exploring Operation: 61*91=5551, Resulting Numbers: [5551] 5551,86 unequal: No Solution Exploring Operation: 61+91=152, Resulting Numbers: [152] 152,86 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 65, 34, 37, 35 ]
38
[ "65+37=102", "102/34=3", "35+3=38" ]
Current State: 38:[65, 34, 37, 35], Operations: [] Exploring Operation: 65+37=102, Resulting Numbers: [34, 35, 102] Generated Node #2: [34, 35, 102] from Operation: 65+37=102 Current State: 38:[34, 35, 102], Operations: ['65+37=102'] Exploring Operation: 102/34=3, Resulting Numbers: [35, 3] Generated Node #3: [35, 3] from Operation: 102/34=3 Current State: 38:[35, 3], Operations: ['65+37=102', '102/34=3'] Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[65, 34, 37, 35], Operations: [] Exploring Operation: 65-37=28, Resulting Numbers: [34, 35, 28] Generated Node #0,0: 38:[34, 35, 28] Operation: 65-37=28 Exploring Operation: 65-34=31, Resulting Numbers: [37, 35, 31] Generated Node #0,1: 38:[37, 35, 31] Operation: 65-34=31 Exploring Operation: 65-35=30, Resulting Numbers: [34, 37, 30] Generated Node #0,2: 38:[34, 37, 30] Operation: 65-35=30 Exploring Operation: 35-34=1, Resulting Numbers: [65, 37, 1] Generated Node #0,3: 38:[65, 37, 1] Operation: 35-34=1 Moving to Node #0,1 Current State: 38:[37, 35, 31], Operations: ['65-34=31'] Exploring Operation: 37-31=6, Resulting Numbers: [35, 6] Generated Node #0,1,0: 38:[35, 6] Operation: 37-31=6 Exploring Operation: 35-31=4, Resulting Numbers: [37, 4] Generated Node #0,1,1: 38:[37, 4] Operation: 35-31=4 Exploring Operation: 35+31=66, Resulting Numbers: [37, 66] Generated Node #0,1,2: 38:[37, 66] Operation: 35+31=66 Exploring Operation: 37-35=2, Resulting Numbers: [31, 2] Generated Node #0,1,3: 38:[31, 2] Operation: 37-35=2 Moving to Node #0,2 Current State: 38:[34, 37, 30], Operations: ['65-35=30'] Exploring Operation: 37-34=3, Resulting Numbers: [30, 3] Generated Node #0,2,0: 38:[30, 3] Operation: 37-34=3 Exploring Operation: 34+30=64, Resulting Numbers: [37, 64] Generated Node #0,2,1: 38:[37, 64] Operation: 34+30=64 Exploring Operation: 34-30=4, Resulting Numbers: [37, 4] Generated Node #0,2,2: 38:[37, 4] Operation: 34-30=4 Exploring Operation: 37-30=7, Resulting Numbers: [34, 7] Generated Node #0,2,3: 38:[34, 7] Operation: 37-30=7 Moving to Node #0,0 Current State: 38:[34, 35, 28], Operations: ['65-37=28'] Exploring Operation: 35-28=7, Resulting Numbers: [34, 7] Generated Node #0,0,0: 38:[34, 7] Operation: 35-28=7 Exploring Operation: 35-34=1, Resulting Numbers: [28, 1] Generated Node #0,0,1: 38:[28, 1] Operation: 35-34=1 Exploring Operation: 34+28=62, Resulting Numbers: [35, 62] Generated Node #0,0,2: 38:[35, 62] Operation: 34+28=62 Exploring Operation: 34-28=6, Resulting Numbers: [35, 6] Generated Node #0,0,3: 38:[35, 6] Operation: 34-28=6 Moving to Node #0,3 Current State: 38:[65, 37, 1], Operations: ['35-34=1'] Exploring Operation: 65*1=65, Resulting Numbers: [37, 65] Generated Node #0,3,0: 38:[37, 65] Operation: 65*1=65 Exploring Operation: 37+1=38, Resulting Numbers: [65, 38] Generated Node #0,3,1: 38:[65, 38] Operation: 37+1=38 Exploring Operation: 65-1=64, Resulting Numbers: [37, 64] Generated Node #0,3,2: 38:[37, 64] Operation: 65-1=64 Exploring Operation: 65-37=28, Resulting Numbers: [1, 28] Generated Node #0,3,3: 38:[1, 28] Operation: 65-37=28 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 38:[1, 28], Operations: ['35-34=1', '65-37=28'] Exploring Operation: 1+28=29, Resulting Numbers: [29] 29,38 unequal: No Solution Exploring Operation: 1*28=28, Resulting Numbers: [28] 28,38 unequal: No Solution Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,38 unequal: No Solution Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,38 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 #0,3,1 Current State: 38:[65, 38], Operations: ['35-34=1', '37+1=38'] Exploring Operation: 65-38=27, Resulting Numbers: [27] 27,38 unequal: No Solution Exploring Operation: 65*38=2470, Resulting Numbers: [2470] 2470,38 unequal: No Solution Exploring Operation: 65+38=103, Resulting Numbers: [103] 103,38 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 #0,3,2 Current State: 38:[37, 64], Operations: ['35-34=1', '65-1=64'] Exploring Operation: 37*64=2368, Resulting Numbers: [2368] 2368,38 unequal: No Solution Exploring Operation: 37+64=101, Resulting Numbers: [101] 101,38 unequal: No Solution Exploring Operation: 64-37=27, Resulting Numbers: [27] 27,38 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 #0,3,0 Current State: 38:[37, 65], Operations: ['35-34=1', '65*1=65'] Exploring Operation: 37+65=102, Resulting Numbers: [102] 102,38 unequal: No Solution Exploring Operation: 37*65=2405, Resulting Numbers: [2405] 2405,38 unequal: No Solution Exploring Operation: 65-37=28, Resulting Numbers: [28] 28,38 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:[37, 4], Operations: ['65-34=31', '35-31=4'] Exploring Operation: 37+4=41, Resulting Numbers: [41] 41,38 unequal: No Solution Exploring Operation: 37*4=148, Resulting Numbers: [148] 148,38 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,38 unequal: No Solution Moving to Node #0,2,2 Current State: 38:[37, 4], Operations: ['65-35=30', '34-30=4'] Exploring Operation: 37+4=41, Resulting Numbers: [41] 41,38 unequal: No Solution Exploring Operation: 37*4=148, Resulting Numbers: [148] 148,38 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,38 unequal: No Solution Moving to Node #0,1,3 Current State: 38:[31, 2], Operations: ['65-34=31', '37-35=2'] Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,38 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[35, 6], Operations: ['65-34=31', '37-31=6'] Exploring Operation: 35*6=210, Resulting Numbers: [210] 210,38 unequal: No Solution Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,38 unequal: No Solution Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,38 unequal: No Solution Moving to Node #0,0,3 Current State: 38:[35, 6], Operations: ['65-37=28', '34-28=6'] Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,38 unequal: No Solution Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,38 unequal: No Solution Exploring Operation: 35*6=210, Resulting Numbers: [210] 210,38 unequal: No Solution Moving to Node #0,2,3 Current State: 38:[34, 7], Operations: ['65-35=30', '37-30=7'] Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,38 unequal: No Solution Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,38 unequal: No Solution Exploring Operation: 34*7=238, Resulting Numbers: [238] 238,38 unequal: No Solution Moving to Node #0,2,0 Current State: 38:[30, 3], Operations: ['65-35=30', '37-34=3'] Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,38 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,38 unequal: No Solution Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,38 unequal: No Solution Moving to Node #0,0,0 Current State: 38:[34, 7], Operations: ['65-37=28', '35-28=7'] Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,38 unequal: No Solution Exploring Operation: 34*7=238, Resulting Numbers: [238] 238,38 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[28, 1], Operations: ['65-37=28', '35-34=1'] Exploring Operation: 28+1=29, Resulting Numbers: [29] 29,38 unequal: No Solution Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,38 unequal: No Solution Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,38 unequal: No Solution Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,38 unequal: No Solution Moving to Node #0,0,2 Current State: 38:[35, 62], Operations: ['65-37=28', '34+28=62'] Exploring Operation: 35+62=97, Resulting Numbers: [97] 97,38 unequal: No Solution Exploring Operation: 62-35=27, Resulting Numbers: [27] 27,38 unequal: No Solution Exploring Operation: 35*62=2170, Resulting Numbers: [2170] 2170,38 unequal: No Solution Moving to Node #0,2,1 Current State: 38:[37, 64], Operations: ['65-35=30', '34+30=64'] Exploring Operation: 37*64=2368, Resulting Numbers: [2368] 2368,38 unequal: No Solution Exploring Operation: 64-37=27, Resulting Numbers: [27] 27,38 unequal: No Solution Exploring Operation: 37+64=101, Resulting Numbers: [101] 101,38 unequal: No Solution Moving to Node #0,1,2 Current State: 38:[37, 66], Operations: ['65-34=31', '35+31=66'] Exploring Operation: 37*66=2442, Resulting Numbers: [2442] 2442,38 unequal: No Solution Exploring Operation: 37+66=103, Resulting Numbers: [103] 103,38 unequal: No Solution Exploring Operation: 66-37=29, Resulting Numbers: [29] 29,38 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 54, 82, 48, 81 ]
10
[ "48*81=3888", "3888/54=72", "82-72=10" ]
Current State: 10:[54, 82, 48, 81], Operations: [] Exploring Operation: 48*81=3888, Resulting Numbers: [54, 82, 3888] Generated Node #2: [54, 82, 3888] from Operation: 48*81=3888 Current State: 10:[54, 82, 3888], Operations: ['48*81=3888'] Exploring Operation: 3888/54=72, Resulting Numbers: [82, 72] Generated Node #3: [82, 72] from Operation: 3888/54=72 Current State: 10:[82, 72], Operations: ['48*81=3888', '3888/54=72'] Exploring Operation: 82-72=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[54, 82, 48, 81], Operations: [] Exploring Operation: 81-54=27, Resulting Numbers: [82, 48, 27] Generated Node #0,0: 10:[82, 48, 27] Operation: 81-54=27 Exploring Operation: 82-81=1, Resulting Numbers: [54, 48, 1] Generated Node #0,1: 10:[54, 48, 1] Operation: 82-81=1 Exploring Operation: 82-54=28, Resulting Numbers: [48, 81, 28] Generated Node #0,2: 10:[48, 81, 28] Operation: 82-54=28 Exploring Operation: 82-48=34, Resulting Numbers: [54, 81, 34] Generated Node #0,3: 10:[54, 81, 34] Operation: 82-48=34 Moving to Node #0,1 Current State: 10:[54, 48, 1], Operations: ['82-81=1'] Exploring Operation: 54-1=53, Resulting Numbers: [48, 53] Generated Node #0,1,0: 10:[48, 53] Operation: 54-1=53 Exploring Operation: 54-48=6, Resulting Numbers: [1, 6] Generated Node #0,1,1: 10:[1, 6] Operation: 54-48=6 Exploring Operation: 54*1=54, Resulting Numbers: [48, 54] Generated Node #0,1,2: 10:[48, 54] Operation: 54*1=54 Exploring Operation: 48-1=47, Resulting Numbers: [54, 47] Generated Node #0,1,3: 10:[54, 47] Operation: 48-1=47 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 10:[1, 6], Operations: ['82-81=1', '54-48=6'] Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 10:[48, 53], Operations: ['82-81=1', '54-1=53'] Exploring Operation: 53-48=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 48*53=2544, Resulting Numbers: [2544] 2544,10 unequal: No Solution Exploring Operation: 48+53=101, Resulting Numbers: [101] 101,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 10:[54, 47], Operations: ['82-81=1', '48-1=47'] Exploring Operation: 54+47=101, Resulting Numbers: [101] 101,10 unequal: No Solution Exploring Operation: 54*47=2538, Resulting Numbers: [2538] 2538,10 unequal: No Solution Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 10:[48, 54], Operations: ['82-81=1', '54*1=54'] Exploring Operation: 54-48=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 48*54=2592, Resulting Numbers: [2592] 2592,10 unequal: No Solution Exploring Operation: 48+54=102, Resulting Numbers: [102] 102,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 10:[48, 81, 28], Operations: ['82-54=28'] Exploring Operation: 81-48=33, Resulting Numbers: [28, 33] Generated Node #0,2,0: 10:[28, 33] Operation: 81-48=33 Exploring Operation: 48-28=20, Resulting Numbers: [81, 20] Generated Node #0,2,1: 10:[81, 20] Operation: 48-28=20 Exploring Operation: 81-28=53, Resulting Numbers: [48, 53] Generated Node #0,2,2: 10:[48, 53] Operation: 81-28=53 Exploring Operation: 48+81=129, Resulting Numbers: [28, 129] Generated Node #0,2,3: 10:[28, 129] Operation: 48+81=129 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 10:[28, 33], Operations: ['82-54=28', '81-48=33'] Exploring Operation: 28*33=924, Resulting Numbers: [924] 924,10 unequal: No Solution Exploring Operation: 28+33=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 10:[81, 20], Operations: ['82-54=28', '48-28=20'] Exploring Operation: 81*20=1620, Resulting Numbers: [1620] 1620,10 unequal: No Solution Exploring Operation: 81-20=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 81+20=101, Resulting Numbers: [101] 101,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 10:[48, 53], Operations: ['82-54=28', '81-28=53'] Exploring Operation: 53-48=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 48*53=2544, Resulting Numbers: [2544] 2544,10 unequal: No Solution Exploring Operation: 48+53=101, Resulting Numbers: [101] 101,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 10:[28, 129], Operations: ['82-54=28', '48+81=129'] Exploring Operation: 28*129=3612, Resulting Numbers: [3612] 3612,10 unequal: No Solution Exploring Operation: 129-28=101, Resulting Numbers: [101] 101,10 unequal: No Solution Exploring Operation: 28+129=157, Resulting Numbers: [157] 157,10 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: 10:[82, 48, 27], Operations: ['81-54=27'] Exploring Operation: 82-48=34, Resulting Numbers: [27, 34] Generated Node #0,0,0: 10:[27, 34] Operation: 82-48=34 Exploring Operation: 82-27=55, Resulting Numbers: [48, 55] Generated Node #0,0,1: 10:[48, 55] Operation: 82-27=55 Exploring Operation: 82+48=130, Resulting Numbers: [27, 130] Generated Node #0,0,2: 10:[27, 130] Operation: 82+48=130 Exploring Operation: 48-27=21, Resulting Numbers: [82, 21] Generated Node #0,0,3: 10:[82, 21] Operation: 48-27=21 Moving to Node #0,3 Current State: 10:[54, 81, 34], Operations: ['82-48=34'] Exploring Operation: 81-34=47, Resulting Numbers: [54, 47] Generated Node #0,3,0: 10:[54, 47] Operation: 81-34=47 Exploring Operation: 81-54=27, Resulting Numbers: [34, 27] Generated Node #0,3,1: 10:[34, 27] Operation: 81-54=27 Exploring Operation: 54-34=20, Resulting Numbers: [81, 20] Generated Node #0,3,2: 10:[81, 20] Operation: 54-34=20 Exploring Operation: 54+81=135, Resulting Numbers: [34, 135] Generated Node #0,3,3: 10:[34, 135] Operation: 54+81=135 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 10:[34, 27], Operations: ['82-48=34', '81-54=27'] Exploring Operation: 34+27=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 34*27=918, Resulting Numbers: [918] 918,10 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 10:[54, 47], Operations: ['82-48=34', '81-34=47'] Exploring Operation: 54+47=101, Resulting Numbers: [101] 101,10 unequal: No Solution Exploring Operation: 54*47=2538, Resulting Numbers: [2538] 2538,10 unequal: No Solution Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 10:[81, 20], Operations: ['82-48=34', '54-34=20'] Exploring Operation: 81-20=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 81*20=1620, Resulting Numbers: [1620] 1620,10 unequal: No Solution Exploring Operation: 81+20=101, Resulting Numbers: [101] 101,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 10:[34, 135], Operations: ['82-48=34', '54+81=135'] Exploring Operation: 34+135=169, Resulting Numbers: [169] 169,10 unequal: No Solution Exploring Operation: 34*135=4590, Resulting Numbers: [4590] 4590,10 unequal: No Solution Exploring Operation: 135-34=101, Resulting Numbers: [101] 101,10 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: 10:[27, 34], Operations: ['81-54=27', '82-48=34'] Exploring Operation: 27*34=918, Resulting Numbers: [918] 918,10 unequal: No Solution Exploring Operation: 27+34=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[82, 21], Operations: ['81-54=27', '48-27=21'] Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,10 unequal: No Solution Exploring Operation: 82*21=1722, Resulting Numbers: [1722] 1722,10 unequal: No Solution Exploring Operation: 82+21=103, Resulting Numbers: [103] 103,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[48, 55], Operations: ['81-54=27', '82-27=55'] Exploring Operation: 48+55=103, Resulting Numbers: [103] 103,10 unequal: No Solution Exploring Operation: 55-48=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 48*55=2640, Resulting Numbers: [2640] 2640,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[27, 130], Operations: ['81-54=27', '82+48=130'] Exploring Operation: 27+130=157, Resulting Numbers: [157] 157,10 unequal: No Solution Exploring Operation: 130-27=103, Resulting Numbers: [103] 103,10 unequal: No Solution Exploring Operation: 27*130=3510, Resulting Numbers: [3510] 3510,10 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 5, 9, 83, 7 ]
39
[ "83-5=78", "9-7=2", "78/2=39" ]
Current State: 39:[5, 9, 83, 7], Operations: [] Exploring Operation: 83-5=78, Resulting Numbers: [9, 7, 78] Generated Node #2: [9, 7, 78] from Operation: 83-5=78 Current State: 39:[9, 7, 78], Operations: ['83-5=78'] Exploring Operation: 9-7=2, Resulting Numbers: [78, 2] Generated Node #3: [78, 2] from Operation: 9-7=2 Current State: 39:[78, 2], Operations: ['83-5=78', '9-7=2'] Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[5, 9, 83, 7], Operations: [] Exploring Operation: 83-7=76, Resulting Numbers: [5, 9, 76] Generated Node #0,0: 39:[5, 9, 76] Operation: 83-7=76 Exploring Operation: 83-9=74, Resulting Numbers: [5, 7, 74] Generated Node #0,1: 39:[5, 7, 74] Operation: 83-9=74 Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[5, 7, 74], Operations: ['83-9=74'] Exploring Operation: 74-7=67, Resulting Numbers: [5, 67] Generated Node #0,1,0: 39:[5, 67] Operation: 74-7=67 Exploring Operation: 74-5=69, Resulting Numbers: [7, 69] Generated Node #0,1,1: 39:[7, 69] Operation: 74-5=69 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 39:[5, 67], Operations: ['83-9=74', '74-7=67'] Exploring Operation: 5+67=72, Resulting Numbers: [72] 72,39 unequal: No Solution Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,39 unequal: No Solution No 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: 39:[7, 69], Operations: ['83-9=74', '74-5=69'] Exploring Operation: 7+69=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 69-7=62, Resulting Numbers: [62] 62,39 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: 39:[5, 9, 76], Operations: ['83-7=76'] Exploring Operation: 76-9=67, Resulting Numbers: [5, 67] Generated Node #0,0,0: 39:[5, 67] Operation: 76-9=67 Exploring Operation: 76-5=71, Resulting Numbers: [9, 71] Generated Node #0,0,1: 39:[9, 71] Operation: 76-5=71 Moving to Node #0,0,0 Current State: 39:[5, 67], Operations: ['83-7=76', '76-9=67'] Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,39 unequal: No Solution Exploring Operation: 5+67=72, Resulting Numbers: [72] 72,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[9, 71], Operations: ['83-7=76', '76-5=71'] Exploring Operation: 71-9=62, Resulting Numbers: [62] 62,39 unequal: No Solution Exploring Operation: 9+71=80, Resulting Numbers: [80] 80,39 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
[ 40, 45, 37, 96 ]
48
[ "40+45=85", "37+96=133", "133-85=48" ]
Current State: 48:[40, 45, 37, 96], Operations: [] Exploring Operation: 40+45=85, Resulting Numbers: [37, 96, 85] Generated Node #2: [37, 96, 85] from Operation: 40+45=85 Current State: 48:[37, 96, 85], Operations: ['40+45=85'] Exploring Operation: 37+96=133, Resulting Numbers: [85, 133] Generated Node #3: [85, 133] from Operation: 37+96=133 Current State: 48:[85, 133], Operations: ['40+45=85', '37+96=133'] Exploring Operation: 133-85=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[40, 45, 37, 96], Operations: [] Exploring Operation: 96-40=56, Resulting Numbers: [45, 37, 56] Generated Node #0,0: 48:[45, 37, 56] Operation: 96-40=56 Moving to Node #0,0 Current State: 48:[45, 37, 56], Operations: ['96-40=56'] Exploring Operation: 56-37=19, Resulting Numbers: [45, 19] Generated Node #0,0,0: 48:[45, 19] Operation: 56-37=19 Moving to Node #0,0,0 Current State: 48:[45, 19], Operations: ['96-40=56', '56-37=19'] Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,48 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 40, 30, 55, 96 ]
81
[ "40+30=70", "55+96=151", "151-70=81" ]
Current State: 81:[40, 30, 55, 96], Operations: [] Exploring Operation: 40+30=70, Resulting Numbers: [55, 96, 70] Generated Node #2: [55, 96, 70] from Operation: 40+30=70 Current State: 81:[55, 96, 70], Operations: ['40+30=70'] Exploring Operation: 55+96=151, Resulting Numbers: [70, 151] Generated Node #3: [70, 151] from Operation: 55+96=151 Current State: 81:[70, 151], Operations: ['40+30=70', '55+96=151'] Exploring Operation: 151-70=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[40, 30, 55, 96], Operations: [] Exploring Operation: 55-40=15, Resulting Numbers: [30, 96, 15] Generated Node #0,0: 81:[30, 96, 15] Operation: 55-40=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[30, 96, 15], Operations: ['55-40=15'] Exploring Operation: 96-15=81, Resulting Numbers: [30, 81] Generated Node #0,0,0: 81:[30, 81] Operation: 96-15=81 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[30, 81], Operations: ['55-40=15', '96-15=81'] Exploring Operation: 81-30=51, Resulting Numbers: [51] 51,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 55, 61, 59, 55 ]
59
[ "55-55=0", "61*0=0", "59+0=59" ]
Current State: 59:[55, 61, 59, 55], Operations: [] Exploring Operation: 55-55=0, Resulting Numbers: [61, 59, 0] Generated Node #2: [61, 59, 0] from Operation: 55-55=0 Current State: 59:[61, 59, 0], Operations: ['55-55=0'] Exploring Operation: 61*0=0, Resulting Numbers: [59, 0] Generated Node #3: [59, 0] from Operation: 61*0=0 Current State: 59:[59, 0], Operations: ['55-55=0', '61*0=0'] Exploring Operation: 59+0=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[55, 61, 59, 55], Operations: [] Exploring Operation: 55+55=110, Resulting Numbers: [61, 59, 110] Generated Node #0,0: 59:[61, 59, 110] Operation: 55+55=110 Exploring Operation: 61-55=6, Resulting Numbers: [55, 59, 6] Generated Node #0,1: 59:[55, 59, 6] Operation: 61-55=6 Exploring Operation: 61-55=6, Resulting Numbers: [59, 55, 6] Generated Node #0,2: 59:[59, 55, 6] Operation: 61-55=6 Moving to Node #0,0 Current State: 59:[61, 59, 110], Operations: ['55+55=110'] Exploring Operation: 110-61=49, Resulting Numbers: [59, 49] Generated Node #0,0,0: 59:[59, 49] Operation: 110-61=49 Exploring Operation: 61-59=2, Resulting Numbers: [110, 2] Generated Node #0,0,1: 59:[110, 2] Operation: 61-59=2 Exploring Operation: 110-59=51, Resulting Numbers: [61, 51] Generated Node #0,0,2: 59:[61, 51] Operation: 110-59=51 Moving to Node #0,1 Current State: 59:[55, 59, 6], Operations: ['61-55=6'] Exploring Operation: 59+6=65, Resulting Numbers: [55, 65] Generated Node #0,1,0: 59:[55, 65] Operation: 59+6=65 Exploring Operation: 55-6=49, Resulting Numbers: [59, 49] Generated Node #0,1,1: 59:[59, 49] Operation: 55-6=49 Exploring Operation: 55+6=61, Resulting Numbers: [59, 61] Generated Node #0,1,2: 59:[59, 61] Operation: 55+6=61 Moving to Node #0,2 Current State: 59:[59, 55, 6], Operations: ['61-55=6'] Exploring Operation: 55+6=61, Resulting Numbers: [59, 61] Generated Node #0,2,0: 59:[59, 61] Operation: 55+6=61 Exploring Operation: 59+6=65, Resulting Numbers: [55, 65] Generated Node #0,2,1: 59:[55, 65] Operation: 59+6=65 Exploring Operation: 59-6=53, Resulting Numbers: [55, 53] Generated Node #0,2,2: 59:[55, 53] Operation: 59-6=53 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 59:[59, 61], Operations: ['61-55=6', '55+6=61'] Exploring Operation: 61-59=2, Resulting Numbers: [2] 2,59 unequal: No Solution Exploring Operation: 59+61=120, Resulting Numbers: [120] 120,59 unequal: No Solution Exploring Operation: 59*61=3599, Resulting Numbers: [3599] 3599,59 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 #0,2,1 Current State: 59:[55, 65], Operations: ['61-55=6', '59+6=65'] Exploring Operation: 65-55=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 55+65=120, Resulting Numbers: [120] 120,59 unequal: No Solution Exploring Operation: 55*65=3575, Resulting Numbers: [3575] 3575,59 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 #0,2,2 Current State: 59:[55, 53], Operations: ['61-55=6', '59-6=53'] Exploring Operation: 55*53=2915, Resulting Numbers: [2915] 2915,59 unequal: No Solution Exploring Operation: 55-53=2, Resulting Numbers: [2] 2,59 unequal: No Solution Exploring Operation: 55+53=108, Resulting Numbers: [108] 108,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 59:[59, 61], Operations: ['61-55=6', '55+6=61'] Exploring Operation: 59*61=3599, Resulting Numbers: [3599] 3599,59 unequal: No Solution Exploring Operation: 61-59=2, Resulting Numbers: [2] 2,59 unequal: No Solution Exploring Operation: 59+61=120, Resulting Numbers: [120] 120,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[59, 49], Operations: ['61-55=6', '55-6=49'] Exploring Operation: 59-49=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 59+49=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 59*49=2891, Resulting Numbers: [2891] 2891,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[59, 49], Operations: ['55+55=110', '110-61=49'] Exploring Operation: 59*49=2891, Resulting Numbers: [2891] 2891,59 unequal: No Solution Exploring Operation: 59-49=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 59+49=108, Resulting Numbers: [108] 108,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[61, 51], Operations: ['55+55=110', '110-59=51'] Exploring Operation: 61*51=3111, Resulting Numbers: [3111] 3111,59 unequal: No Solution Exploring Operation: 61+51=112, Resulting Numbers: [112] 112,59 unequal: No Solution Exploring Operation: 61-51=10, Resulting Numbers: [10] 10,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[55, 65], Operations: ['61-55=6', '59+6=65'] Exploring Operation: 55*65=3575, Resulting Numbers: [3575] 3575,59 unequal: No Solution Exploring Operation: 65-55=10, Resulting Numbers: [10] 10,59 unequal: No Solution Exploring Operation: 55+65=120, Resulting Numbers: [120] 120,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[110, 2], Operations: ['55+55=110', '61-59=2'] Exploring Operation: 110-2=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 110/2=55, Resulting Numbers: [55] 55,59 unequal: No Solution Exploring Operation: 110+2=112, Resulting Numbers: [112] 112,59 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 13, 39, 76, 28 ]
100
[ "13+39=52", "76-28=48", "52+48=100" ]
Current State: 100:[13, 39, 76, 28], Operations: [] Exploring Operation: 13+39=52, Resulting Numbers: [76, 28, 52] Generated Node #2: [76, 28, 52] from Operation: 13+39=52 Current State: 100:[76, 28, 52], Operations: ['13+39=52'] Exploring Operation: 76-28=48, Resulting Numbers: [52, 48] Generated Node #3: [52, 48] from Operation: 76-28=48 Current State: 100:[52, 48], Operations: ['13+39=52', '76-28=48'] Exploring Operation: 52+48=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[13, 39, 76, 28], Operations: [] Exploring Operation: 76-39=37, Resulting Numbers: [13, 28, 37] Generated Node #0,0: 100:[13, 28, 37] Operation: 76-39=37 Exploring Operation: 76-28=48, Resulting Numbers: [13, 39, 48] Generated Node #0,1: 100:[13, 39, 48] Operation: 76-28=48 Exploring Operation: 76+28=104, Resulting Numbers: [13, 39, 104] Generated Node #0,2: 100:[13, 39, 104] Operation: 76+28=104 Moving to Node #0,1 Current State: 100:[13, 39, 48], Operations: ['76-28=48'] Exploring Operation: 39/13=3, Resulting Numbers: [48, 3] Generated Node #0,1,0: 100:[48, 3] Operation: 39/13=3 Exploring Operation: 13+39=52, Resulting Numbers: [48, 52] Generated Node #0,1,1: 100:[48, 52] Operation: 13+39=52 Exploring Operation: 39-13=26, Resulting Numbers: [48, 26] Generated Node #0,1,2: 100:[48, 26] Operation: 39-13=26 Moving to Node #0,0 Current State: 100:[13, 28, 37], Operations: ['76-39=37'] Exploring Operation: 13+37=50, Resulting Numbers: [28, 50] Generated Node #0,0,0: 100:[28, 50] Operation: 13+37=50 Exploring Operation: 37-28=9, Resulting Numbers: [13, 9] Generated Node #0,0,1: 100:[13, 9] Operation: 37-28=9 Exploring Operation: 37-13=24, Resulting Numbers: [28, 24] Generated Node #0,0,2: 100:[28, 24] Operation: 37-13=24 Moving to Node #0,2 Current State: 100:[13, 39, 104], Operations: ['76+28=104'] Exploring Operation: 39-13=26, Resulting Numbers: [104, 26] Generated Node #0,2,0: 100:[104, 26] Operation: 39-13=26 Exploring Operation: 39/13=3, Resulting Numbers: [104, 3] Generated Node #0,2,1: 100:[104, 3] Operation: 39/13=3 Exploring Operation: 13+39=52, Resulting Numbers: [104, 52] Generated Node #0,2,2: 100:[104, 52] Operation: 13+39=52 Moving to Node #0,1,0 Current State: 100:[48, 3], Operations: ['76-28=48', '39/13=3'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,100 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,100 unequal: No Solution Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,100 unequal: No Solution Moving to Node #0,1,2 Current State: 100:[48, 26], Operations: ['76-28=48', '39-13=26'] Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,100 unequal: No Solution Exploring Operation: 48+26=74, Resulting Numbers: [74] 74,100 unequal: No Solution Exploring Operation: 48*26=1248, Resulting Numbers: [1248] 1248,100 unequal: No Solution Moving to Node #0,0,0 Current State: 100:[28, 50], Operations: ['76-39=37', '13+37=50'] Exploring Operation: 28+50=78, Resulting Numbers: [78] 78,100 unequal: No Solution Exploring Operation: 28*50=1400, Resulting Numbers: [1400] 1400,100 unequal: No Solution Exploring Operation: 50-28=22, Resulting Numbers: [22] 22,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[48, 52], Operations: ['76-28=48', '13+39=52'] Exploring Operation: 52-48=4, Resulting Numbers: [4] 4,100 unequal: No Solution Exploring Operation: 48*52=2496, Resulting Numbers: [2496] 2496,100 unequal: No Solution Exploring Operation: 48+52=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[13, 39, 76, 28], Operations: [] Exploring Operation: 76-28=48, Resulting Numbers: [13, 39, 48] Generated Node #0,1: 100:[13, 39, 48] Operation: 76-28=48 Moving to Node #0,1 Current State: 100:[13, 39, 48], Operations: ['76-28=48'] Exploring Operation: 13+39=52, Resulting Numbers: [48, 52] Generated Node #0,1,1: 100:[48, 52] Operation: 13+39=52 Moving to Node #0,1,1 Current State: 100:[48, 52], Operations: ['76-28=48', '13+39=52'] Exploring Operation: 48+52=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
0.975694
hs_3
mult_heuristic
[ 23, 46, 44, 55 ]
77
[ "46/23=2", "44/2=22", "55+22=77" ]
Current State: 77:[23, 46, 44, 55], Operations: [] Exploring Operation: 46/23=2, Resulting Numbers: [44, 55, 2] Generated Node #2: [44, 55, 2] from Operation: 46/23=2 Current State: 77:[44, 55, 2], Operations: ['46/23=2'] Exploring Operation: 44/2=22, Resulting Numbers: [55, 22] Generated Node #3: [55, 22] from Operation: 44/2=22 Current State: 77:[55, 22], Operations: ['46/23=2', '44/2=22'] Exploring Operation: 55+22=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[23, 46, 44, 55], Operations: [] Exploring Operation: 46-44=2, Resulting Numbers: [23, 55, 2] Generated Node #0,0: 77:[23, 55, 2] Operation: 46-44=2 Moving to Node #0,0 Current State: 77:[23, 55, 2], Operations: ['46-44=2'] Exploring Operation: 23+55=78, Resulting Numbers: [2, 78] Generated Node #0,0,0: 77:[2, 78] Operation: 23+55=78 Moving to Node #0,0,0 Current State: 77:[2, 78], Operations: ['46-44=2', '23+55=78'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,77 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 6, 17, 76, 69 ]
16
[ "6+17=23", "76-69=7", "23-7=16" ]
Current State: 16:[6, 17, 76, 69], Operations: [] Exploring Operation: 6+17=23, Resulting Numbers: [76, 69, 23] Generated Node #2: [76, 69, 23] from Operation: 6+17=23 Current State: 16:[76, 69, 23], Operations: ['6+17=23'] Exploring Operation: 76-69=7, Resulting Numbers: [23, 7] Generated Node #3: [23, 7] from Operation: 76-69=7 Current State: 16:[23, 7], Operations: ['6+17=23', '76-69=7'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[6, 17, 76, 69], Operations: [] Exploring Operation: 76-69=7, Resulting Numbers: [6, 17, 7] Generated Node #0,0: 16:[6, 17, 7] Operation: 76-69=7 Moving to Node #0,0 Current State: 16:[6, 17, 7], Operations: ['76-69=7'] Exploring Operation: 7-6=1, Resulting Numbers: [17, 1] Generated Node #0,0,0: 16:[17, 1] Operation: 7-6=1 Moving to Node #0,0,0 Current State: 16:[17, 1], Operations: ['76-69=7', '7-6=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[6, 17, 76, 69], Operations: [] Exploring Operation: 76-69=7, Resulting Numbers: [6, 17, 7] Generated Node #0,0: 16:[6, 17, 7] Operation: 76-69=7 Moving to Node #0,0 Current State: 16:[6, 17, 7], Operations: ['76-69=7'] Exploring Operation: 7-6=1, Resulting Numbers: [17, 1] Generated Node #0,0,0: 16:[17, 1] Operation: 7-6=1 Moving to Node #0,0,0 Current State: 16:[17, 1], Operations: ['76-69=7', '7-6=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 17, 91, 11, 27 ]
90
[ "91-17=74", "27-11=16", "74+16=90" ]
Current State: 90:[17, 91, 11, 27], Operations: [] Exploring Operation: 91-17=74, Resulting Numbers: [11, 27, 74] Generated Node #2: [11, 27, 74] from Operation: 91-17=74 Current State: 90:[11, 27, 74], Operations: ['91-17=74'] Exploring Operation: 27-11=16, Resulting Numbers: [74, 16] Generated Node #3: [74, 16] from Operation: 27-11=16 Current State: 90:[74, 16], Operations: ['91-17=74', '27-11=16'] Exploring Operation: 74+16=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[17, 91, 11, 27], Operations: [] Exploring Operation: 27-17=10, Resulting Numbers: [91, 11, 10] Generated Node #0,0: 90:[91, 11, 10] Operation: 27-17=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[91, 11, 10], Operations: ['27-17=10'] Exploring Operation: 11-10=1, Resulting Numbers: [91, 1] Generated Node #0,0,0: 90:[91, 1] Operation: 11-10=1 Moving to Node #0,0,0 Current State: 90:[91, 1], Operations: ['27-17=10', '11-10=1'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[17, 91, 11, 27], Operations: [] Exploring Operation: 27-17=10, Resulting Numbers: [91, 11, 10] Generated Node #0,0: 90:[91, 11, 10] Operation: 27-17=10 Moving to Node #0,0 Current State: 90:[91, 11, 10], Operations: ['27-17=10'] Exploring Operation: 11-10=1, Resulting Numbers: [91, 1] Generated Node #0,0,0: 90:[91, 1] Operation: 11-10=1 Moving to Node #0,0,0 Current State: 90:[91, 1], Operations: ['27-17=10', '11-10=1'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 22, 20, 12, 5 ]
49
[ "22+20=42", "12-5=7", "42+7=49" ]
Current State: 49:[22, 20, 12, 5], Operations: [] Exploring Operation: 22+20=42, Resulting Numbers: [12, 5, 42] Generated Node #2: [12, 5, 42] from Operation: 22+20=42 Current State: 49:[12, 5, 42], Operations: ['22+20=42'] Exploring Operation: 12-5=7, Resulting Numbers: [42, 7] Generated Node #3: [42, 7] from Operation: 12-5=7 Current State: 49:[42, 7], Operations: ['22+20=42', '12-5=7'] Exploring Operation: 42+7=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[22, 20, 12, 5], Operations: [] Exploring Operation: 20-12=8, Resulting Numbers: [22, 5, 8] Generated Node #0,0: 49:[22, 5, 8] Operation: 20-12=8 Exploring Operation: 22+20=42, Resulting Numbers: [12, 5, 42] Generated Node #0,1: 49:[12, 5, 42] Operation: 22+20=42 Exploring Operation: 22-20=2, Resulting Numbers: [12, 5, 2] Generated Node #0,2: 49:[12, 5, 2] Operation: 22-20=2 Exploring Operation: 22-12=10, Resulting Numbers: [20, 5, 10] Generated Node #0,3: 49:[20, 5, 10] Operation: 22-12=10 Exploring Operation: 20/5=4, Resulting Numbers: [22, 12, 4] Generated Node #0,4: 49:[22, 12, 4] Operation: 20/5=4 Moving to Node #0,2 Current State: 49:[12, 5, 2], Operations: ['22-20=2'] Exploring Operation: 5*2=10, Resulting Numbers: [12, 10] Generated Node #0,2,0: 49:[12, 10] Operation: 5*2=10 Exploring Operation: 12-5=7, Resulting Numbers: [2, 7] Generated Node #0,2,1: 49:[2, 7] Operation: 12-5=7 Exploring Operation: 12/2=6, Resulting Numbers: [5, 6] Generated Node #0,2,2: 49:[5, 6] Operation: 12/2=6 Exploring Operation: 5+2=7, Resulting Numbers: [12, 7] Generated Node #0,2,3: 49:[12, 7] Operation: 5+2=7 Exploring Operation: 12-2=10, Resulting Numbers: [5, 10] Generated Node #0,2,4: 49:[5, 10] Operation: 12-2=10 Moving to Node #0,1 Current State: 49:[12, 5, 42], Operations: ['22+20=42'] Exploring Operation: 12+42=54, Resulting Numbers: [5, 54] Generated Node #0,1,0: 49:[5, 54] Operation: 12+42=54 Exploring Operation: 5+42=47, Resulting Numbers: [12, 47] Generated Node #0,1,1: 49:[12, 47] Operation: 5+42=47 Exploring Operation: 12+5=17, Resulting Numbers: [42, 17] Generated Node #0,1,2: 49:[42, 17] Operation: 12+5=17 Exploring Operation: 12-5=7, Resulting Numbers: [42, 7] Generated Node #0,1,3: 49:[42, 7] Operation: 12-5=7 Exploring Operation: 42-5=37, Resulting Numbers: [12, 37] Generated Node #0,1,4: 49:[12, 37] Operation: 42-5=37 Moving to Node #0,0 Current State: 49:[22, 5, 8], Operations: ['20-12=8'] Exploring Operation: 22+5=27, Resulting Numbers: [8, 27] Generated Node #0,0,0: 49:[8, 27] Operation: 22+5=27 Exploring Operation: 22-5=17, Resulting Numbers: [8, 17] Generated Node #0,0,1: 49:[8, 17] Operation: 22-5=17 Exploring Operation: 22-8=14, Resulting Numbers: [5, 14] Generated Node #0,0,2: 49:[5, 14] Operation: 22-8=14 Exploring Operation: 8-5=3, Resulting Numbers: [22, 3] Generated Node #0,0,3: 49:[22, 3] Operation: 8-5=3 Exploring Operation: 22+8=30, Resulting Numbers: [5, 30] Generated Node #0,0,4: 49:[5, 30] Operation: 22+8=30 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 49:[5, 14], Operations: ['20-12=8', '22-8=14'] Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,49 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[8, 17], Operations: ['20-12=8', '22-5=17'] Exploring Operation: 8*17=136, Resulting Numbers: [136] 136,49 unequal: No Solution Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 8+17=25, Resulting Numbers: [25] 25,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 49:[22, 3], Operations: ['20-12=8', '8-5=3'] Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,49 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,49 unequal: No Solution Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[8, 27], Operations: ['20-12=8', '22+5=27'] Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,49 unequal: No Solution Exploring Operation: 8*27=216, Resulting Numbers: [216] 216,49 unequal: No Solution Exploring Operation: 8+27=35, Resulting Numbers: [35] 35,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 49:[5, 30], Operations: ['20-12=8', '22+8=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,49 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 5*30=150, Resulting Numbers: [150] 150,49 unequal: No Solution Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,49 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: 49:[20, 5, 10], Operations: ['22-12=10'] Exploring Operation: 20/10=2, Resulting Numbers: [5, 2] Generated Node #0,3,0: 49:[5, 2] Operation: 20/10=2 Exploring Operation: 20/5=4, Resulting Numbers: [10, 4] Generated Node #0,3,1: 49:[10, 4] Operation: 20/5=4 Exploring Operation: 20-10=10, Resulting Numbers: [5, 10] Generated Node #0,3,2: 49:[5, 10] Operation: 20-10=10 Exploring Operation: 5*10=50, Resulting Numbers: [20, 50] Generated Node #0,3,3: 49:[20, 50] Operation: 5*10=50 Exploring Operation: 20-5=15, Resulting Numbers: [10, 15] Generated Node #0,3,4: 49:[10, 15] Operation: 20-5=15 Moving to Node #0,4 Current State: 49:[22, 12, 4], Operations: ['20/5=4'] Exploring Operation: 22+12=34, Resulting Numbers: [4, 34] Generated Node #0,4,0: 49:[4, 34] Operation: 22+12=34 Exploring Operation: 22-12=10, Resulting Numbers: [4, 10] Generated Node #0,4,1: 49:[4, 10] Operation: 22-12=10 Exploring Operation: 22-4=18, Resulting Numbers: [12, 18] Generated Node #0,4,2: 49:[12, 18] Operation: 22-4=18 Exploring Operation: 12-4=8, Resulting Numbers: [22, 8] Generated Node #0,4,3: 49:[22, 8] Operation: 12-4=8 Exploring Operation: 12*4=48, Resulting Numbers: [22, 48] Generated Node #0,4,4: 49:[22, 48] Operation: 12*4=48 Moving to Node #0,2,2 Current State: 49:[5, 6], Operations: ['22-20=2', '12/2=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,49 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,49 unequal: No Solution Moving to Node #0,2,3 Current State: 49:[12, 7], Operations: ['22-20=2', '5+2=7'] Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,49 unequal: No Solution Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,49 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,49 unequal: No Solution Moving to Node #0,2,1 Current State: 49:[2, 7], Operations: ['22-20=2', '12-5=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,49 unequal: No Solution Moving to Node #0,3,2 Current State: 49:[5, 10], Operations: ['22-12=10', '20-10=10'] Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,49 unequal: No Solution Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,49 unequal: No Solution Moving to Node #0,2,4 Current State: 49:[5, 10], Operations: ['22-20=2', '12-2=10'] Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,49 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,49 unequal: No Solution Moving to Node #0,3,1 Current State: 49:[10, 4], Operations: ['22-12=10', '20/5=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,49 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,49 unequal: No Solution Moving to Node #0,4,1 Current State: 49:[4, 10], Operations: ['20/5=4', '22-12=10'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[12, 47], Operations: ['22+20=42', '5+42=47'] Exploring Operation: 47-12=35, Resulting Numbers: [35] 35,49 unequal: No Solution Exploring Operation: 12+47=59, Resulting Numbers: [59] 59,49 unequal: No Solution Exploring Operation: 12*47=564, Resulting Numbers: [564] 564,49 unequal: No Solution Moving to Node #0,3,0 Current State: 49:[5, 2], Operations: ['22-12=10', '20/10=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,49 unequal: No Solution Moving to Node #0,1,0 Current State: 49:[5, 54], Operations: ['22+20=42', '12+42=54'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[22, 20, 12, 5], Operations: [] Exploring Operation: 22+20=42, Resulting Numbers: [12, 5, 42] Generated Node #0,1: 49:[12, 5, 42] Operation: 22+20=42 Moving to Node #0,1 Current State: 49:[12, 5, 42], Operations: ['22+20=42'] Exploring Operation: 12+42=54, Resulting Numbers: [5, 54] Generated Node #0,1,0: 49:[5, 54] Operation: 12+42=54 Moving to Node #0,1,0 Current State: 49:[5, 54], Operations: ['22+20=42', '12+42=54'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.930556
hs_5
mult_heuristic
[ 71, 49, 97, 64 ]
11
[ "71-49=22", "97-64=33", "33-22=11" ]
Current State: 11:[71, 49, 97, 64], Operations: [] Exploring Operation: 71-49=22, Resulting Numbers: [97, 64, 22] Generated Node #2: [97, 64, 22] from Operation: 71-49=22 Current State: 11:[97, 64, 22], Operations: ['71-49=22'] Exploring Operation: 97-64=33, Resulting Numbers: [22, 33] Generated Node #3: [22, 33] from Operation: 97-64=33 Current State: 11:[22, 33], Operations: ['71-49=22', '97-64=33'] Exploring Operation: 33-22=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[71, 49, 97, 64], Operations: [] Exploring Operation: 71-64=7, Resulting Numbers: [49, 97, 7] Generated Node #0,0: 11:[49, 97, 7] Operation: 71-64=7 Exploring Operation: 71-49=22, Resulting Numbers: [97, 64, 22] Generated Node #0,1: 11:[97, 64, 22] Operation: 71-49=22 Exploring Operation: 97-71=26, Resulting Numbers: [49, 64, 26] Generated Node #0,2: 11:[49, 64, 26] Operation: 97-71=26 Exploring Operation: 97-64=33, Resulting Numbers: [71, 49, 33] Generated Node #0,3: 11:[71, 49, 33] Operation: 97-64=33 Moving to Node #0,2 Current State: 11:[49, 64, 26], Operations: ['97-71=26'] Exploring Operation: 64-49=15, Resulting Numbers: [26, 15] Generated Node #0,2,0: 11:[26, 15] Operation: 64-49=15 Exploring Operation: 49+64=113, Resulting Numbers: [26, 113] Generated Node #0,2,1: 11:[26, 113] Operation: 49+64=113 Exploring Operation: 64-26=38, Resulting Numbers: [49, 38] Generated Node #0,2,2: 11:[49, 38] Operation: 64-26=38 Exploring Operation: 49-26=23, Resulting Numbers: [64, 23] Generated Node #0,2,3: 11:[64, 23] Operation: 49-26=23 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 11:[26, 15], Operations: ['97-71=26', '64-49=15'] Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[71, 49, 97, 64], Operations: [] Exploring Operation: 97-71=26, Resulting Numbers: [49, 64, 26] Generated Node #0,2: 11:[49, 64, 26] Operation: 97-71=26 Moving to Node #0,2 Current State: 11:[49, 64, 26], Operations: ['97-71=26'] Exploring Operation: 64-49=15, Resulting Numbers: [26, 15] Generated Node #0,2,0: 11:[26, 15] Operation: 64-49=15 Moving to Node #0,2,0 Current State: 11:[26, 15], Operations: ['97-71=26', '64-49=15'] Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 16, 40, 63, 91 ]
84
[ "16+40=56", "91-63=28", "56+28=84" ]
Current State: 84:[16, 40, 63, 91], Operations: [] Exploring Operation: 16+40=56, Resulting Numbers: [63, 91, 56] Generated Node #2: [63, 91, 56] from Operation: 16+40=56 Current State: 84:[63, 91, 56], Operations: ['16+40=56'] Exploring Operation: 91-63=28, Resulting Numbers: [56, 28] Generated Node #3: [56, 28] from Operation: 91-63=28 Current State: 84:[56, 28], Operations: ['16+40=56', '91-63=28'] Exploring Operation: 56+28=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[16, 40, 63, 91], Operations: [] Exploring Operation: 91-63=28, Resulting Numbers: [16, 40, 28] Generated Node #0,0: 84:[16, 40, 28] Operation: 91-63=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[16, 40, 28], Operations: ['91-63=28'] Exploring Operation: 28-16=12, Resulting Numbers: [40, 12] Generated Node #0,0,0: 84:[40, 12] Operation: 28-16=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[40, 12], Operations: ['91-63=28', '28-16=12'] Exploring Operation: 40-12=28, Resulting Numbers: [28] 28,84 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
[ 55, 88, 4, 31 ]
46
[ "55-31=24", "88/4=22", "24+22=46" ]
Current State: 46:[55, 88, 4, 31], Operations: [] Exploring Operation: 55-31=24, Resulting Numbers: [88, 4, 24] Generated Node #2: [88, 4, 24] from Operation: 55-31=24 Current State: 46:[88, 4, 24], Operations: ['55-31=24'] Exploring Operation: 88/4=22, Resulting Numbers: [24, 22] Generated Node #3: [24, 22] from Operation: 88/4=22 Current State: 46:[24, 22], Operations: ['55-31=24', '88/4=22'] Exploring Operation: 24+22=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[55, 88, 4, 31], Operations: [] Exploring Operation: 88-55=33, Resulting Numbers: [4, 31, 33] Generated Node #0,0: 46:[4, 31, 33] Operation: 88-55=33 Exploring Operation: 88/4=22, Resulting Numbers: [55, 31, 22] Generated Node #0,1: 46:[55, 31, 22] Operation: 88/4=22 Exploring Operation: 88-31=57, Resulting Numbers: [55, 4, 57] Generated Node #0,2: 46:[55, 4, 57] Operation: 88-31=57 Moving to Node #0,1 Current State: 46:[55, 31, 22], Operations: ['88/4=22'] Exploring Operation: 31-22=9, Resulting Numbers: [55, 9] Generated Node #0,1,0: 46:[55, 9] Operation: 31-22=9 Exploring Operation: 55-31=24, Resulting Numbers: [22, 24] Generated Node #0,1,1: 46:[22, 24] Operation: 55-31=24 Exploring Operation: 31+22=53, Resulting Numbers: [55, 53] Generated Node #0,1,2: 46:[55, 53] Operation: 31+22=53 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 46:[22, 24], Operations: ['88/4=22', '55-31=24'] Exploring Operation: 22+24=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[55, 88, 4, 31], Operations: [] Exploring Operation: 88/4=22, Resulting Numbers: [55, 31, 22] Generated Node #0,1: 46:[55, 31, 22] Operation: 88/4=22 Moving to Node #0,1 Current State: 46:[55, 31, 22], Operations: ['88/4=22'] Exploring Operation: 55-31=24, Resulting Numbers: [22, 24] Generated Node #0,1,1: 46:[22, 24] Operation: 55-31=24 Moving to Node #0,1,1 Current State: 46:[22, 24], Operations: ['88/4=22', '55-31=24'] Exploring Operation: 22+24=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 14, 2, 32, 39 ]
55
[ "14+2=16", "32+39=71", "71-16=55" ]
Current State: 55:[14, 2, 32, 39], Operations: [] Exploring Operation: 14+2=16, Resulting Numbers: [32, 39, 16] Generated Node #2: [32, 39, 16] from Operation: 14+2=16 Current State: 55:[32, 39, 16], Operations: ['14+2=16'] Exploring Operation: 32+39=71, Resulting Numbers: [16, 71] Generated Node #3: [16, 71] from Operation: 32+39=71 Current State: 55:[16, 71], Operations: ['14+2=16', '32+39=71'] Exploring Operation: 71-16=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[14, 2, 32, 39], Operations: [] Exploring Operation: 32/2=16, Resulting Numbers: [14, 39, 16] Generated Node #0,0: 55:[14, 39, 16] Operation: 32/2=16 Exploring Operation: 32+39=71, Resulting Numbers: [14, 2, 71] Generated Node #0,1: 55:[14, 2, 71] Operation: 32+39=71 Exploring Operation: 39-32=7, Resulting Numbers: [14, 2, 7] Generated Node #0,2: 55:[14, 2, 7] Operation: 39-32=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 55:[14, 2, 7], Operations: ['39-32=7'] Exploring Operation: 7-2=5, Resulting Numbers: [14, 5] Generated Node #0,2,0: 55:[14, 5] Operation: 7-2=5 Exploring Operation: 14/2=7, Resulting Numbers: [7, 7] Generated Node #0,2,1: 55:[7, 7] Operation: 14/2=7 Exploring Operation: 14-2=12, Resulting Numbers: [7, 12] Generated Node #0,2,2: 55:[7, 12] Operation: 14-2=12 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 55:[14, 5], Operations: ['39-32=7', '7-2=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,55 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,55 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 55:[7, 12], Operations: ['39-32=7', '14-2=12'] Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,55 unequal: No Solution Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 55:[7, 7], Operations: ['39-32=7', '14/2=7'] Exploring Operation: 7+7=14, Resulting Numbers: [14] 14,55 unequal: No Solution Exploring Operation: 7/7=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 7-7=0, Resulting Numbers: [0] 0,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[14, 2, 71], Operations: ['32+39=71'] Exploring Operation: 71-2=69, Resulting Numbers: [14, 69] Generated Node #0,1,0: 55:[14, 69] Operation: 71-2=69 Exploring Operation: 71-14=57, Resulting Numbers: [2, 57] Generated Node #0,1,1: 55:[2, 57] Operation: 71-14=57 Exploring Operation: 14-2=12, Resulting Numbers: [71, 12] Generated Node #0,1,2: 55:[71, 12] Operation: 14-2=12 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 55:[2, 57], Operations: ['32+39=71', '71-14=57'] Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[14, 2, 32, 39], Operations: [] Exploring Operation: 32+39=71, Resulting Numbers: [14, 2, 71] Generated Node #0,1: 55:[14, 2, 71] Operation: 32+39=71 Moving to Node #0,1 Current State: 55:[14, 2, 71], Operations: ['32+39=71'] Exploring Operation: 71-14=57, Resulting Numbers: [2, 57] Generated Node #0,1,1: 55:[2, 57] Operation: 71-14=57 Moving to Node #0,1,1 Current State: 55:[2, 57], Operations: ['32+39=71', '71-14=57'] Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 28, 95, 8, 6 ]
97
[ "8+6=14", "28/14=2", "95+2=97" ]
Current State: 97:[28, 95, 8, 6], Operations: [] Exploring Operation: 8+6=14, Resulting Numbers: [28, 95, 14] Generated Node #2: [28, 95, 14] from Operation: 8+6=14 Current State: 97:[28, 95, 14], Operations: ['8+6=14'] Exploring Operation: 28/14=2, Resulting Numbers: [95, 2] Generated Node #3: [95, 2] from Operation: 28/14=2 Current State: 97:[95, 2], Operations: ['8+6=14', '28/14=2'] Exploring Operation: 95+2=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[28, 95, 8, 6], Operations: [] Exploring Operation: 28+6=34, Resulting Numbers: [95, 8, 34] Generated Node #0,0: 97:[95, 8, 34] Operation: 28+6=34 Exploring Operation: 28+8=36, Resulting Numbers: [95, 6, 36] Generated Node #0,1: 97:[95, 6, 36] Operation: 28+8=36 Exploring Operation: 8+6=14, Resulting Numbers: [28, 95, 14] Generated Node #0,2: 97:[28, 95, 14] Operation: 8+6=14 Exploring Operation: 28*6=168, Resulting Numbers: [95, 8, 168] Generated Node #0,3: 97:[95, 8, 168] Operation: 28*6=168 Exploring Operation: 8*6=48, Resulting Numbers: [28, 95, 48] Generated Node #0,4: 97:[28, 95, 48] Operation: 8*6=48 Moving to Node #0,4 Current State: 97:[28, 95, 48], Operations: ['8*6=48'] Exploring Operation: 95-28=67, Resulting Numbers: [48, 67] Generated Node #0,4,0: 97:[48, 67] Operation: 95-28=67 Exploring Operation: 28+95=123, Resulting Numbers: [48, 123] Generated Node #0,4,1: 97:[48, 123] Operation: 28+95=123 Exploring Operation: 28+48=76, Resulting Numbers: [95, 76] Generated Node #0,4,2: 97:[95, 76] Operation: 28+48=76 Exploring Operation: 95+48=143, Resulting Numbers: [28, 143] Generated Node #0,4,3: 97:[28, 143] Operation: 95+48=143 Exploring Operation: 48-28=20, Resulting Numbers: [95, 20] Generated Node #0,4,4: 97:[95, 20] Operation: 48-28=20 Moving to Node #0,1 Current State: 97:[95, 6, 36], Operations: ['28+8=36'] Exploring Operation: 95+6=101, Resulting Numbers: [36, 101] Generated Node #0,1,0: 97:[36, 101] Operation: 95+6=101 Exploring Operation: 95-6=89, Resulting Numbers: [36, 89] Generated Node #0,1,1: 97:[36, 89] Operation: 95-6=89 Exploring Operation: 36/6=6, Resulting Numbers: [95, 6] Generated Node #0,1,2: 97:[95, 6] Operation: 36/6=6 Exploring Operation: 6+36=42, Resulting Numbers: [95, 42] Generated Node #0,1,3: 97:[95, 42] Operation: 6+36=42 Exploring Operation: 36-6=30, Resulting Numbers: [95, 30] Generated Node #0,1,4: 97:[95, 30] Operation: 36-6=30 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 97:[95, 42], Operations: ['28+8=36', '6+36=42'] Exploring Operation: 95*42=3990, Resulting Numbers: [3990] 3990,97 unequal: No Solution Exploring Operation: 95-42=53, Resulting Numbers: [53] 53,97 unequal: No Solution Exploring Operation: 95+42=137, Resulting Numbers: [137] 137,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[36, 101], Operations: ['28+8=36', '95+6=101'] Exploring Operation: 101-36=65, Resulting Numbers: [65] 65,97 unequal: No Solution Exploring Operation: 36+101=137, Resulting Numbers: [137] 137,97 unequal: No Solution Exploring Operation: 36*101=3636, Resulting Numbers: [3636] 3636,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[36, 89], Operations: ['28+8=36', '95-6=89'] Exploring Operation: 89-36=53, Resulting Numbers: [53] 53,97 unequal: No Solution Exploring Operation: 36*89=3204, Resulting Numbers: [3204] 3204,97 unequal: No Solution Exploring Operation: 36+89=125, Resulting Numbers: [125] 125,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 97:[95, 30], Operations: ['28+8=36', '36-6=30'] Exploring Operation: 95+30=125, Resulting Numbers: [125] 125,97 unequal: No Solution Exploring Operation: 95*30=2850, Resulting Numbers: [2850] 2850,97 unequal: No Solution Exploring Operation: 95-30=65, Resulting Numbers: [65] 65,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 97:[95, 6], Operations: ['28+8=36', '36/6=6'] Exploring Operation: 95*6=570, Resulting Numbers: [570] 570,97 unequal: No Solution Exploring Operation: 95+6=101, Resulting Numbers: [101] 101,97 unequal: No Solution Exploring Operation: 95-6=89, Resulting Numbers: [89] 89,97 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: 97:[95, 8, 34], Operations: ['28+6=34'] Exploring Operation: 95+8=103, Resulting Numbers: [34, 103] Generated Node #0,0,0: 97:[34, 103] Operation: 95+8=103 Exploring Operation: 95+34=129, Resulting Numbers: [8, 129] Generated Node #0,0,1: 97:[8, 129] Operation: 95+34=129 Exploring Operation: 95-8=87, Resulting Numbers: [34, 87] Generated Node #0,0,2: 97:[34, 87] Operation: 95-8=87 Exploring Operation: 8+34=42, Resulting Numbers: [95, 42] Generated Node #0,0,3: 97:[95, 42] Operation: 8+34=42 Exploring Operation: 34-8=26, Resulting Numbers: [95, 26] Generated Node #0,0,4: 97:[95, 26] Operation: 34-8=26 Moving to Node #0,2 Current State: 97:[28, 95, 14], Operations: ['8+6=14'] Exploring Operation: 95+14=109, Resulting Numbers: [28, 109] Generated Node #0,2,0: 97:[28, 109] Operation: 95+14=109 Exploring Operation: 28-14=14, Resulting Numbers: [95, 14] Generated Node #0,2,1: 97:[95, 14] Operation: 28-14=14 Exploring Operation: 28/14=2, Resulting Numbers: [95, 2] Generated Node #0,2,2: 97:[95, 2] Operation: 28/14=2 Exploring Operation: 28+14=42, Resulting Numbers: [95, 42] Generated Node #0,2,3: 97:[95, 42] Operation: 28+14=42 Exploring Operation: 95-14=81, Resulting Numbers: [28, 81] Generated Node #0,2,4: 97:[28, 81] Operation: 95-14=81 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 97:[95, 42], Operations: ['8+6=14', '28+14=42'] Exploring Operation: 95-42=53, Resulting Numbers: [53] 53,97 unequal: No Solution Exploring Operation: 95*42=3990, Resulting Numbers: [3990] 3990,97 unequal: No Solution Exploring Operation: 95+42=137, Resulting Numbers: [137] 137,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 97:[28, 109], Operations: ['8+6=14', '95+14=109'] Exploring Operation: 109-28=81, Resulting Numbers: [81] 81,97 unequal: No Solution Exploring Operation: 28+109=137, Resulting Numbers: [137] 137,97 unequal: No Solution Exploring Operation: 28*109=3052, Resulting Numbers: [3052] 3052,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 97:[95, 14], Operations: ['8+6=14', '28-14=14'] Exploring Operation: 95*14=1330, Resulting Numbers: [1330] 1330,97 unequal: No Solution Exploring Operation: 95+14=109, Resulting Numbers: [109] 109,97 unequal: No Solution Exploring Operation: 95-14=81, Resulting Numbers: [81] 81,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 97:[28, 81], Operations: ['8+6=14', '95-14=81'] Exploring Operation: 81-28=53, Resulting Numbers: [53] 53,97 unequal: No Solution Exploring Operation: 28*81=2268, Resulting Numbers: [2268] 2268,97 unequal: No Solution Exploring Operation: 28+81=109, Resulting Numbers: [109] 109,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 97:[95, 2], Operations: ['8+6=14', '28/14=2'] Exploring Operation: 95+2=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[28, 95, 8, 6], Operations: [] Exploring Operation: 8+6=14, Resulting Numbers: [28, 95, 14] Generated Node #0,2: 97:[28, 95, 14] Operation: 8+6=14 Moving to Node #0,2 Current State: 97:[28, 95, 14], Operations: ['8+6=14'] Exploring Operation: 28/14=2, Resulting Numbers: [95, 2] Generated Node #0,2,2: 97:[95, 2] Operation: 28/14=2 Moving to Node #0,2,2 Current State: 97:[95, 2], Operations: ['8+6=14', '28/14=2'] Exploring Operation: 95+2=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.950521
hs_5
mult_heuristic
[ 47, 92, 24, 66 ]
87
[ "92-47=45", "66-24=42", "45+42=87" ]
Current State: 87:[47, 92, 24, 66], Operations: [] Exploring Operation: 92-47=45, Resulting Numbers: [24, 66, 45] Generated Node #2: [24, 66, 45] from Operation: 92-47=45 Current State: 87:[24, 66, 45], Operations: ['92-47=45'] Exploring Operation: 66-24=42, Resulting Numbers: [45, 42] Generated Node #3: [45, 42] from Operation: 66-24=42 Current State: 87:[45, 42], Operations: ['92-47=45', '66-24=42'] Exploring Operation: 45+42=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[47, 92, 24, 66], Operations: [] Exploring Operation: 66-47=19, Resulting Numbers: [92, 24, 19] Generated Node #0,0: 87:[92, 24, 19] Operation: 66-47=19 Exploring Operation: 92-66=26, Resulting Numbers: [47, 24, 26] Generated Node #0,1: 87:[47, 24, 26] Operation: 92-66=26 Moving to Node #0,0 Current State: 87:[92, 24, 19], Operations: ['66-47=19'] Exploring Operation: 24-19=5, Resulting Numbers: [92, 5] Generated Node #0,0,0: 87:[92, 5] Operation: 24-19=5 Exploring Operation: 92-19=73, Resulting Numbers: [24, 73] Generated Node #0,0,1: 87:[24, 73] Operation: 92-19=73 Moving to Node #0,1 Current State: 87:[47, 24, 26], Operations: ['92-66=26'] Exploring Operation: 47-26=21, Resulting Numbers: [24, 21] Generated Node #0,1,0: 87:[24, 21] Operation: 47-26=21 Exploring Operation: 47-24=23, Resulting Numbers: [26, 23] Generated Node #0,1,1: 87:[26, 23] Operation: 47-24=23 Moving to Node #0,0,0 Current State: 87:[92, 5], Operations: ['66-47=19', '24-19=5'] Exploring Operation: 92+5=97, Resulting Numbers: [97] 97,87 unequal: No Solution Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[47, 92, 24, 66], Operations: [] Exploring Operation: 66-47=19, Resulting Numbers: [92, 24, 19] Generated Node #0,0: 87:[92, 24, 19] Operation: 66-47=19 Moving to Node #0,0 Current State: 87:[92, 24, 19], Operations: ['66-47=19'] Exploring Operation: 24-19=5, Resulting Numbers: [92, 5] Generated Node #0,0,0: 87:[92, 5] Operation: 24-19=5 Moving to Node #0,0,0 Current State: 87:[92, 5], Operations: ['66-47=19', '24-19=5'] Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.989583
hs_2
mult_heuristic
[ 40, 43, 10, 7 ]
77
[ "10-7=3", "40*3=120", "120-43=77" ]
Current State: 77:[40, 43, 10, 7], Operations: [] Exploring Operation: 10-7=3, Resulting Numbers: [40, 43, 3] Generated Node #2: [40, 43, 3] from Operation: 10-7=3 Current State: 77:[40, 43, 3], Operations: ['10-7=3'] Exploring Operation: 40*3=120, Resulting Numbers: [43, 120] Generated Node #3: [43, 120] from Operation: 40*3=120 Current State: 77:[43, 120], Operations: ['10-7=3', '40*3=120'] Exploring Operation: 120-43=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[40, 43, 10, 7], Operations: [] Exploring Operation: 40+43=83, Resulting Numbers: [10, 7, 83] Generated Node #0,0: 77:[10, 7, 83] Operation: 40+43=83 Exploring Operation: 40/10=4, Resulting Numbers: [43, 7, 4] Generated Node #0,1: 77:[43, 7, 4] Operation: 40/10=4 Exploring Operation: 43-40=3, Resulting Numbers: [10, 7, 3] Generated Node #0,2: 77:[10, 7, 3] Operation: 43-40=3 Moving to Node #0,2 Current State: 77:[10, 7, 3], Operations: ['43-40=3'] Exploring Operation: 7+3=10, Resulting Numbers: [10, 10] Generated Node #0,2,0: 77:[10, 10] Operation: 7+3=10 Exploring Operation: 10-3=7, Resulting Numbers: [7, 7] Generated Node #0,2,1: 77:[7, 7] Operation: 10-3=7 Exploring Operation: 10+3=13, Resulting Numbers: [7, 13] Generated Node #0,2,2: 77:[7, 13] Operation: 10+3=13 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 77:[7, 7], Operations: ['43-40=3', '10-3=7'] Exploring Operation: 7+7=14, Resulting Numbers: [14] 14,77 unequal: No Solution Exploring Operation: 7-7=0, Resulting Numbers: [0] 0,77 unequal: No Solution Exploring Operation: 7/7=1, Resulting Numbers: [1] 1,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 77:[10, 10], Operations: ['43-40=3', '7+3=10'] Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,77 unequal: No Solution Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,77 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 77:[7, 13], Operations: ['43-40=3', '10+3=13'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,77 unequal: No Solution Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,77 unequal: No Solution Exploring Operation: 7+13=20, Resulting Numbers: [20] 20,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 77:[10, 7, 83], Operations: ['40+43=83'] Exploring Operation: 83-10=73, Resulting Numbers: [7, 73] Generated Node #0,0,0: 77:[7, 73] Operation: 83-10=73 Exploring Operation: 10-7=3, Resulting Numbers: [83, 3] Generated Node #0,0,1: 77:[83, 3] Operation: 10-7=3 Exploring Operation: 83-7=76, Resulting Numbers: [10, 76] Generated Node #0,0,2: 77:[10, 76] Operation: 83-7=76 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 77:[10, 76], Operations: ['40+43=83', '83-7=76'] Exploring Operation: 10+76=86, Resulting Numbers: [86] 86,77 unequal: No Solution Exploring Operation: 10*76=760, Resulting Numbers: [760] 760,77 unequal: No Solution Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[7, 73], Operations: ['40+43=83', '83-10=73'] Exploring Operation: 73-7=66, Resulting Numbers: [66] 66,77 unequal: No Solution Exploring Operation: 7+73=80, Resulting Numbers: [80] 80,77 unequal: No Solution Exploring Operation: 7*73=511, Resulting Numbers: [511] 511,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 77:[83, 3], Operations: ['40+43=83', '10-7=3'] Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,77 unequal: No Solution Exploring Operation: 83*3=249, Resulting Numbers: [249] 249,77 unequal: No Solution Exploring Operation: 83+3=86, Resulting Numbers: [86] 86,77 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: 77:[43, 7, 4], Operations: ['40/10=4'] Exploring Operation: 43-7=36, Resulting Numbers: [4, 36] Generated Node #0,1,0: 77:[4, 36] Operation: 43-7=36 Exploring Operation: 43+7=50, Resulting Numbers: [4, 50] Generated Node #0,1,1: 77:[4, 50] Operation: 43+7=50 Exploring Operation: 43-4=39, Resulting Numbers: [7, 39] Generated Node #0,1,2: 77:[7, 39] Operation: 43-4=39 Moving to Node #0,1,0 Current State: 77:[4, 36], Operations: ['40/10=4', '43-7=36'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,77 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,77 unequal: No Solution Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,77 unequal: No Solution Moving to Node #0,1,2 Current State: 77:[7, 39], Operations: ['40/10=4', '43-4=39'] Exploring Operation: 7*39=273, Resulting Numbers: [273] 273,77 unequal: No Solution Exploring Operation: 7+39=46, Resulting Numbers: [46] 46,77 unequal: No Solution Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[4, 50], Operations: ['40/10=4', '43+7=50'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,77 unequal: No Solution Exploring Operation: 4*50=200, Resulting Numbers: [200] 200,77 unequal: No Solution Exploring Operation: 4+50=54, Resulting Numbers: [54] 54,77 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 42, 89, 38, 51 ]
42
[ "42+89=131", "38+51=89", "131-89=42" ]
Current State: 42:[42, 89, 38, 51], Operations: [] Exploring Operation: 42+89=131, Resulting Numbers: [38, 51, 131] Generated Node #2: [38, 51, 131] from Operation: 42+89=131 Current State: 42:[38, 51, 131], Operations: ['42+89=131'] Exploring Operation: 38+51=89, Resulting Numbers: [131, 89] Generated Node #3: [131, 89] from Operation: 38+51=89 Current State: 42:[131, 89], Operations: ['42+89=131', '38+51=89'] Exploring Operation: 131-89=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[42, 89, 38, 51], Operations: [] Exploring Operation: 89-38=51, Resulting Numbers: [42, 51, 51] Generated Node #0,0: 42:[42, 51, 51] Operation: 89-38=51 Exploring Operation: 89-42=47, Resulting Numbers: [38, 51, 47] Generated Node #0,1: 42:[38, 51, 47] Operation: 89-42=47 Exploring Operation: 89-51=38, Resulting Numbers: [42, 38, 38] Generated Node #0,2: 42:[42, 38, 38] Operation: 89-51=38 Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[42, 38, 38], Operations: ['89-51=38'] Exploring Operation: 38/38=1, Resulting Numbers: [42, 1] Generated Node #0,2,0: 42:[42, 1] Operation: 38/38=1 Exploring Operation: 38-38=0, Resulting Numbers: [42, 0] Generated Node #0,2,1: 42:[42, 0] Operation: 38-38=0 Exploring Operation: 42-38=4, Resulting Numbers: [38, 4] Generated Node #0,2,2: 42:[38, 4] Operation: 42-38=4 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 42:[42, 1], Operations: ['89-51=38', '38/38=1'] Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[42, 89, 38, 51], Operations: [] Exploring Operation: 89-51=38, Resulting Numbers: [42, 38, 38] Generated Node #0,2: 42:[42, 38, 38] Operation: 89-51=38 Moving to Node #0,2 Current State: 42:[42, 38, 38], Operations: ['89-51=38'] Exploring Operation: 38/38=1, Resulting Numbers: [42, 1] Generated Node #0,2,0: 42:[42, 1] Operation: 38/38=1 Moving to Node #0,2,0 Current State: 42:[42, 1], Operations: ['89-51=38', '38/38=1'] Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 4, 52, 38, 8 ]
58
[ "4*8=32", "52+38=90", "90-32=58" ]
Current State: 58:[4, 52, 38, 8], Operations: [] Exploring Operation: 4*8=32, Resulting Numbers: [52, 38, 32] Generated Node #2: [52, 38, 32] from Operation: 4*8=32 Current State: 58:[52, 38, 32], Operations: ['4*8=32'] Exploring Operation: 52+38=90, Resulting Numbers: [32, 90] Generated Node #3: [32, 90] from Operation: 52+38=90 Current State: 58:[32, 90], Operations: ['4*8=32', '52+38=90'] Exploring Operation: 90-32=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[4, 52, 38, 8], Operations: [] Exploring Operation: 38-8=30, Resulting Numbers: [4, 52, 30] Generated Node #0,0: 58:[4, 52, 30] Operation: 38-8=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[4, 52, 30], Operations: ['38-8=30'] Exploring Operation: 4+52=56, Resulting Numbers: [30, 56] Generated Node #0,0,0: 58:[30, 56] Operation: 4+52=56 Moving to Node #0,0,0 Current State: 58:[30, 56], Operations: ['38-8=30', '4+52=56'] Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,58 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
[ 95, 2, 29, 50 ]
58
[ "95-29=66", "50+66=116", "116/2=58" ]
Current State: 58:[95, 2, 29, 50], Operations: [] Exploring Operation: 95-29=66, Resulting Numbers: [2, 50, 66] Generated Node #2: [2, 50, 66] from Operation: 95-29=66 Current State: 58:[2, 50, 66], Operations: ['95-29=66'] Exploring Operation: 50+66=116, Resulting Numbers: [2, 116] Generated Node #3: [2, 116] from Operation: 50+66=116 Current State: 58:[2, 116], Operations: ['95-29=66', '50+66=116'] Exploring Operation: 116/2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[95, 2, 29, 50], Operations: [] Exploring Operation: 2+50=52, Resulting Numbers: [95, 29, 52] Generated Node #0,0: 58:[95, 29, 52] Operation: 2+50=52 Exploring Operation: 95-50=45, Resulting Numbers: [2, 29, 45] Generated Node #0,1: 58:[2, 29, 45] Operation: 95-50=45 Exploring Operation: 95-29=66, Resulting Numbers: [2, 50, 66] Generated Node #0,2: 58:[2, 50, 66] Operation: 95-29=66 Exploring Operation: 50/2=25, Resulting Numbers: [95, 29, 25] Generated Node #0,3: 58:[95, 29, 25] Operation: 50/2=25 Exploring Operation: 95-2=93, Resulting Numbers: [29, 50, 93] Generated Node #0,4: 58:[29, 50, 93] Operation: 95-2=93 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[2, 29, 45], Operations: ['95-50=45'] Exploring Operation: 45-2=43, Resulting Numbers: [29, 43] Generated Node #0,1,0: 58:[29, 43] Operation: 45-2=43 Exploring Operation: 2+45=47, Resulting Numbers: [29, 47] Generated Node #0,1,1: 58:[29, 47] Operation: 2+45=47 Exploring Operation: 45-29=16, Resulting Numbers: [2, 16] Generated Node #0,1,2: 58:[2, 16] Operation: 45-29=16 Exploring Operation: 2*29=58, Resulting Numbers: [45, 58] Generated Node #0,1,3: 58:[45, 58] Operation: 2*29=58 Exploring Operation: 2+29=31, Resulting Numbers: [45, 31] Generated Node #0,1,4: 58:[45, 31] Operation: 2+29=31 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 58:[29, 47], Operations: ['95-50=45', '2+45=47'] Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 29*47=1363, Resulting Numbers: [1363] 1363,58 unequal: No Solution Exploring Operation: 29+47=76, Resulting Numbers: [76] 76,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 58:[2, 16], Operations: ['95-50=45', '45-29=16'] Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,58 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 58:[45, 58], Operations: ['95-50=45', '2*29=58'] Exploring Operation: 45*58=2610, Resulting Numbers: [2610] 2610,58 unequal: No Solution Exploring Operation: 45+58=103, Resulting Numbers: [103] 103,58 unequal: No Solution Exploring Operation: 58-45=13, Resulting Numbers: [13] 13,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 58:[29, 43], Operations: ['95-50=45', '45-2=43'] Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 29+43=72, Resulting Numbers: [72] 72,58 unequal: No Solution Exploring Operation: 29*43=1247, Resulting Numbers: [1247] 1247,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 58:[45, 31], Operations: ['95-50=45', '2+29=31'] Exploring Operation: 45-31=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 45*31=1395, Resulting Numbers: [1395] 1395,58 unequal: No Solution Exploring Operation: 45+31=76, Resulting Numbers: [76] 76,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[2, 50, 66], Operations: ['95-29=66'] Exploring Operation: 66-2=64, Resulting Numbers: [50, 64] Generated Node #0,2,0: 58:[50, 64] Operation: 66-2=64 Exploring Operation: 66-50=16, Resulting Numbers: [2, 16] Generated Node #0,2,1: 58:[2, 16] Operation: 66-50=16 Exploring Operation: 2+50=52, Resulting Numbers: [66, 52] Generated Node #0,2,2: 58:[66, 52] Operation: 2+50=52 Exploring Operation: 66/2=33, Resulting Numbers: [50, 33] Generated Node #0,2,3: 58:[50, 33] Operation: 66/2=33 Exploring Operation: 50/2=25, Resulting Numbers: [66, 25] Generated Node #0,2,4: 58:[66, 25] Operation: 50/2=25 Moving to Node #0,2,3 Current State: 58:[50, 33], Operations: ['95-29=66', '66/2=33'] Exploring Operation: 50+33=83, Resulting Numbers: [83] 83,58 unequal: No Solution Exploring Operation: 50-33=17, Resulting Numbers: [17] 17,58 unequal: No Solution Exploring Operation: 50*33=1650, Resulting Numbers: [1650] 1650,58 unequal: No Solution Moving to Node #0,2,4 Current State: 58:[66, 25], Operations: ['95-29=66', '50/2=25'] Exploring Operation: 66+25=91, Resulting Numbers: [91] 91,58 unequal: No Solution Exploring Operation: 66*25=1650, Resulting Numbers: [1650] 1650,58 unequal: No Solution Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,58 unequal: No Solution Moving to Node #0,2,1 Current State: 58:[2, 16], Operations: ['95-29=66', '66-50=16'] Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,58 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,58 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,58 unequal: No Solution Moving to Node #0,2,0 Current State: 58:[50, 64], Operations: ['95-29=66', '66-2=64'] Exploring Operation: 50*64=3200, Resulting Numbers: [3200] 3200,58 unequal: No Solution Exploring Operation: 64-50=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 50+64=114, Resulting Numbers: [114] 114,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[66, 52], Operations: ['95-29=66', '2+50=52'] Exploring Operation: 66*52=3432, Resulting Numbers: [3432] 3432,58 unequal: No Solution Exploring Operation: 66-52=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 66+52=118, Resulting Numbers: [118] 118,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 58:[95, 29, 25], Operations: ['50/2=25'] Exploring Operation: 95-29=66, Resulting Numbers: [25, 66] Generated Node #0,3,0: 58:[25, 66] Operation: 95-29=66 Exploring Operation: 95+25=120, Resulting Numbers: [29, 120] Generated Node #0,3,1: 58:[29, 120] Operation: 95+25=120 Exploring Operation: 95-25=70, Resulting Numbers: [29, 70] Generated Node #0,3,2: 58:[29, 70] Operation: 95-25=70 Exploring Operation: 29-25=4, Resulting Numbers: [95, 4] Generated Node #0,3,3: 58:[95, 4] Operation: 29-25=4 Exploring Operation: 29+25=54, Resulting Numbers: [95, 54] Generated Node #0,3,4: 58:[95, 54] Operation: 29+25=54 Moving to Node #0,3,0 Current State: 58:[25, 66], Operations: ['50/2=25', '95-29=66'] Exploring Operation: 25+66=91, Resulting Numbers: [91] 91,58 unequal: No Solution Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,58 unequal: No Solution Exploring Operation: 25*66=1650, Resulting Numbers: [1650] 1650,58 unequal: No Solution Moving to Node #0,3,2 Current State: 58:[29, 70], Operations: ['50/2=25', '95-25=70'] Exploring Operation: 29*70=2030, Resulting Numbers: [2030] 2030,58 unequal: No Solution Exploring Operation: 29+70=99, Resulting Numbers: [99] 99,58 unequal: No Solution Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,58 unequal: No Solution Moving to Node #0,3,3 Current State: 58:[95, 4], Operations: ['50/2=25', '29-25=4'] Exploring Operation: 95+4=99, Resulting Numbers: [99] 99,58 unequal: No Solution Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,58 unequal: No Solution Exploring Operation: 95*4=380, Resulting Numbers: [380] 380,58 unequal: No Solution Moving to Node #0,3,4 Current State: 58:[95, 54], Operations: ['50/2=25', '29+25=54'] Exploring Operation: 95+54=149, Resulting Numbers: [149] 149,58 unequal: No Solution Exploring Operation: 95-54=41, Resulting Numbers: [41] 41,58 unequal: No Solution Exploring Operation: 95*54=5130, Resulting Numbers: [5130] 5130,58 unequal: No Solution Moving to Node #0,3,1 Current State: 58:[29, 120], Operations: ['50/2=25', '95+25=120'] Exploring Operation: 29+120=149, Resulting Numbers: [149] 149,58 unequal: No Solution Exploring Operation: 120-29=91, Resulting Numbers: [91] 91,58 unequal: No Solution Exploring Operation: 29*120=3480, Resulting Numbers: [3480] 3480,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[95, 29, 52], Operations: ['2+50=52'] Exploring Operation: 52-29=23, Resulting Numbers: [95, 23] Generated Node #0,0,0: 58:[95, 23] Operation: 52-29=23 Exploring Operation: 29+52=81, Resulting Numbers: [95, 81] Generated Node #0,0,1: 58:[95, 81] Operation: 29+52=81 Exploring Operation: 95-29=66, Resulting Numbers: [52, 66] Generated Node #0,0,2: 58:[52, 66] Operation: 95-29=66 Exploring Operation: 95+29=124, Resulting Numbers: [52, 124] Generated Node #0,0,3: 58:[52, 124] Operation: 95+29=124 Exploring Operation: 95-52=43, Resulting Numbers: [29, 43] Generated Node #0,0,4: 58:[29, 43] Operation: 95-52=43 Moving to Node #0,0,2 Current State: 58:[52, 66], Operations: ['2+50=52', '95-29=66'] Exploring Operation: 52*66=3432, Resulting Numbers: [3432] 3432,58 unequal: No Solution Exploring Operation: 66-52=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 52+66=118, Resulting Numbers: [118] 118,58 unequal: No Solution Moving to Node #0,0,4 Current State: 58:[29, 43], Operations: ['2+50=52', '95-52=43'] Exploring Operation: 29+43=72, Resulting Numbers: [72] 72,58 unequal: No Solution Exploring Operation: 29*43=1247, Resulting Numbers: [1247] 1247,58 unequal: No Solution Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[95, 23], Operations: ['2+50=52', '52-29=23'] Exploring Operation: 95-23=72, Resulting Numbers: [72] 72,58 unequal: No Solution Exploring Operation: 95*23=2185, Resulting Numbers: [2185] 2185,58 unequal: No Solution Exploring Operation: 95+23=118, Resulting Numbers: [118] 118,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[95, 81], Operations: ['2+50=52', '29+52=81'] Exploring Operation: 95+81=176, Resulting Numbers: [176] 176,58 unequal: No Solution Exploring Operation: 95-81=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 95*81=7695, Resulting Numbers: [7695] 7695,58 unequal: No Solution Moving to Node #0,0,3 Current State: 58:[52, 124], Operations: ['2+50=52', '95+29=124'] Exploring Operation: 52*124=6448, Resulting Numbers: [6448] 6448,58 unequal: No Solution Exploring Operation: 124-52=72, Resulting Numbers: [72] 72,58 unequal: No Solution Exploring Operation: 52+124=176, Resulting Numbers: [176] 176,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 58:[29, 50, 93], Operations: ['95-2=93'] Exploring Operation: 50-29=21, Resulting Numbers: [93, 21] Generated Node #0,4,0: 58:[93, 21] Operation: 50-29=21 Exploring Operation: 93-29=64, Resulting Numbers: [50, 64] Generated Node #0,4,1: 58:[50, 64] Operation: 93-29=64 Exploring Operation: 29+93=122, Resulting Numbers: [50, 122] Generated Node #0,4,2: 58:[50, 122] Operation: 29+93=122 Exploring Operation: 29+50=79, Resulting Numbers: [93, 79] Generated Node #0,4,3: 58:[93, 79] Operation: 29+50=79 Exploring Operation: 93-50=43, Resulting Numbers: [29, 43] Generated Node #0,4,4: 58:[29, 43] Operation: 93-50=43 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 58:[50, 64], Operations: ['95-2=93', '93-29=64'] Exploring Operation: 50+64=114, Resulting Numbers: [114] 114,58 unequal: No Solution Exploring Operation: 64-50=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 50*64=3200, Resulting Numbers: [3200] 3200,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 58:[29, 43], Operations: ['95-2=93', '93-50=43'] Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,58 unequal: No Solution Exploring Operation: 29+43=72, Resulting Numbers: [72] 72,58 unequal: No Solution Exploring Operation: 29*43=1247, Resulting Numbers: [1247] 1247,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 58:[93, 21], Operations: ['95-2=93', '50-29=21'] Exploring Operation: 93+21=114, Resulting Numbers: [114] 114,58 unequal: No Solution Exploring Operation: 93-21=72, Resulting Numbers: [72] 72,58 unequal: No Solution Exploring Operation: 93*21=1953, Resulting Numbers: [1953] 1953,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 58:[93, 79], Operations: ['95-2=93', '29+50=79'] Exploring Operation: 93+79=172, Resulting Numbers: [172] 172,58 unequal: No Solution Exploring Operation: 93*79=7347, Resulting Numbers: [7347] 7347,58 unequal: No Solution Exploring Operation: 93-79=14, Resulting Numbers: [14] 14,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 58:[50, 122], Operations: ['95-2=93', '29+93=122'] Exploring Operation: 50+122=172, Resulting Numbers: [172] 172,58 unequal: No Solution Exploring Operation: 50*122=6100, Resulting Numbers: [6100] 6100,58 unequal: No Solution Exploring Operation: 122-50=72, Resulting Numbers: [72] 72,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 26, 39, 6, 9 ]
12
[ "26*9=234", "234/39=6", "6+6=12" ]
Current State: 12:[26, 39, 6, 9], Operations: [] Exploring Operation: 26*9=234, Resulting Numbers: [39, 6, 234] Generated Node #2: [39, 6, 234] from Operation: 26*9=234 Current State: 12:[39, 6, 234], Operations: ['26*9=234'] Exploring Operation: 234/39=6, Resulting Numbers: [6, 6] Generated Node #3: [6, 6] from Operation: 234/39=6 Current State: 12:[6, 6], Operations: ['26*9=234', '234/39=6'] Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[26, 39, 6, 9], Operations: [] Exploring Operation: 39-26=13, Resulting Numbers: [6, 9, 13] Generated Node #0,0: 12:[6, 9, 13] Operation: 39-26=13 Moving to Node #0,0 Current State: 12:[6, 9, 13], Operations: ['39-26=13'] Exploring Operation: 13-9=4, Resulting Numbers: [6, 4] Generated Node #0,0,0: 12:[6, 4] Operation: 13-9=4 Moving to Node #0,0,0 Current State: 12:[6, 4], Operations: ['39-26=13', '13-9=4'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,12 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 43, 8, 97, 71 ]
77
[ "43+8=51", "97-71=26", "51+26=77" ]
Current State: 77:[43, 8, 97, 71], Operations: [] Exploring Operation: 43+8=51, Resulting Numbers: [97, 71, 51] Generated Node #2: [97, 71, 51] from Operation: 43+8=51 Current State: 77:[97, 71, 51], Operations: ['43+8=51'] Exploring Operation: 97-71=26, Resulting Numbers: [51, 26] Generated Node #3: [51, 26] from Operation: 97-71=26 Current State: 77:[51, 26], Operations: ['43+8=51', '97-71=26'] Exploring Operation: 51+26=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[43, 8, 97, 71], Operations: [] Exploring Operation: 97-43=54, Resulting Numbers: [8, 71, 54] Generated Node #0,0: 77:[8, 71, 54] Operation: 97-43=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[8, 71, 54], Operations: ['97-43=54'] Exploring Operation: 71-54=17, Resulting Numbers: [8, 17] Generated Node #0,0,0: 77:[8, 17] Operation: 71-54=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[8, 17], Operations: ['97-43=54', '71-54=17'] Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 9, 32, 23, 30 ]
64
[ "9+23=32", "32-30=2", "32*2=64" ]
Current State: 64:[9, 32, 23, 30], Operations: [] Exploring Operation: 9+23=32, Resulting Numbers: [32, 30, 32] Generated Node #2: [32, 30, 32] from Operation: 9+23=32 Current State: 64:[32, 30, 32], Operations: ['9+23=32'] Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,64 equal: Goal Reached Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[9, 32, 23, 30], Operations: [] Exploring Operation: 9+23=32, Resulting Numbers: [32, 30, 32] Generated Node #0,0: 64:[32, 30, 32] Operation: 9+23=32 Exploring Operation: 23-9=14, Resulting Numbers: [32, 30, 14] Generated Node #0,1: 64:[32, 30, 14] Operation: 23-9=14 Exploring Operation: 32-23=9, Resulting Numbers: [9, 30, 9] Generated Node #0,2: 64:[9, 30, 9] Operation: 32-23=9 Exploring Operation: 30-23=7, Resulting Numbers: [9, 32, 7] Generated Node #0,3: 64:[9, 32, 7] Operation: 30-23=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[32, 30, 32], Operations: ['9+23=32'] Exploring Operation: 32+30=62, Resulting Numbers: [32, 62] Generated Node #0,0,0: 64:[32, 62] Operation: 32+30=62 Exploring Operation: 32+32=64, Resulting Numbers: [30, 64] Generated Node #0,0,1: 64:[30, 64] Operation: 32+32=64 Exploring Operation: 32-30=2, Resulting Numbers: [32, 2] Generated Node #0,0,2: 64:[32, 2] Operation: 32-30=2 Exploring Operation: 32-30=2, Resulting Numbers: [32, 2] Generated Node #0,0,3: 64:[32, 2] Operation: 32-30=2 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 64:[32, 2], Operations: ['9+23=32', '32-30=2'] Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[9, 32, 23, 30], Operations: [] Exploring Operation: 9+23=32, Resulting Numbers: [32, 30, 32] Generated Node #0,0: 64:[32, 30, 32] Operation: 9+23=32 Moving to Node #0,0 Current State: 64:[32, 30, 32], Operations: ['9+23=32'] Exploring Operation: 32-30=2, Resulting Numbers: [32, 2] Generated Node #0,0,2: 64:[32, 2] Operation: 32-30=2 Moving to Node #0,0,2 Current State: 64:[32, 2], Operations: ['9+23=32', '32-30=2'] Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 33, 7, 39, 13 ]
29
[ "33-7=26", "39/13=3", "26+3=29" ]
Current State: 29:[33, 7, 39, 13], Operations: [] Exploring Operation: 33-7=26, Resulting Numbers: [39, 13, 26] Generated Node #2: [39, 13, 26] from Operation: 33-7=26 Current State: 29:[39, 13, 26], Operations: ['33-7=26'] Exploring Operation: 39/13=3, Resulting Numbers: [26, 3] Generated Node #3: [26, 3] from Operation: 39/13=3 Current State: 29:[26, 3], Operations: ['33-7=26', '39/13=3'] Exploring Operation: 26+3=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[33, 7, 39, 13], Operations: [] Exploring Operation: 7+13=20, Resulting Numbers: [33, 39, 20] Generated Node #0,0: 29:[33, 39, 20] Operation: 7+13=20 Exploring Operation: 39-7=32, Resulting Numbers: [33, 13, 32] Generated Node #0,1: 29:[33, 13, 32] Operation: 39-7=32 Exploring Operation: 39-13=26, Resulting Numbers: [33, 7, 26] Generated Node #0,2: 29:[33, 7, 26] Operation: 39-13=26 Exploring Operation: 33-7=26, Resulting Numbers: [39, 13, 26] Generated Node #0,3: 29:[39, 13, 26] Operation: 33-7=26 Moving to Node #0,0 Current State: 29:[33, 39, 20], Operations: ['7+13=20'] Exploring Operation: 39-33=6, Resulting Numbers: [20, 6] Generated Node #0,0,0: 29:[20, 6] Operation: 39-33=6 Exploring Operation: 33-20=13, Resulting Numbers: [39, 13] Generated Node #0,0,1: 29:[39, 13] Operation: 33-20=13 Exploring Operation: 33+20=53, Resulting Numbers: [39, 53] Generated Node #0,0,2: 29:[39, 53] Operation: 33+20=53 Exploring Operation: 39-20=19, Resulting Numbers: [33, 19] Generated Node #0,0,3: 29:[33, 19] Operation: 39-20=19 Moving to Node #0,1 Current State: 29:[33, 13, 32], Operations: ['39-7=32'] Exploring Operation: 32-13=19, Resulting Numbers: [33, 19] Generated Node #0,1,0: 29:[33, 19] Operation: 32-13=19 Exploring Operation: 33+13=46, Resulting Numbers: [32, 46] Generated Node #0,1,1: 29:[32, 46] Operation: 33+13=46 Exploring Operation: 13+32=45, Resulting Numbers: [33, 45] Generated Node #0,1,2: 29:[33, 45] Operation: 13+32=45 Exploring Operation: 33-13=20, Resulting Numbers: [32, 20] Generated Node #0,1,3: 29:[32, 20] Operation: 33-13=20 Moving to Node #0,3 Current State: 29:[39, 13, 26], Operations: ['33-7=26'] Exploring Operation: 39-13=26, Resulting Numbers: [26, 26] Generated Node #0,3,0: 29:[26, 26] Operation: 39-13=26 Exploring Operation: 13+26=39, Resulting Numbers: [39, 39] Generated Node #0,3,1: 29:[39, 39] Operation: 13+26=39 Exploring Operation: 39+13=52, Resulting Numbers: [26, 52] Generated Node #0,3,2: 29:[26, 52] Operation: 39+13=52 Exploring Operation: 26-13=13, Resulting Numbers: [39, 13] Generated Node #0,3,3: 29:[39, 13] Operation: 26-13=13 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 29:[26, 26], Operations: ['33-7=26', '39-13=26'] Exploring Operation: 26/26=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 26*26=676, Resulting Numbers: [676] 676,29 unequal: No Solution Exploring Operation: 26-26=0, Resulting Numbers: [0] 0,29 unequal: No Solution Exploring Operation: 26+26=52, Resulting Numbers: [52] 52,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 29:[39, 39], Operations: ['33-7=26', '13+26=39'] Exploring Operation: 39*39=1521, Resulting Numbers: [1521] 1521,29 unequal: No Solution Exploring Operation: 39+39=78, Resulting Numbers: [78] 78,29 unequal: No Solution Exploring Operation: 39/39=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 39-39=0, Resulting Numbers: [0] 0,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 29:[26, 52], Operations: ['33-7=26', '39+13=52'] Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,29 unequal: No Solution Exploring Operation: 26+52=78, Resulting Numbers: [78] 78,29 unequal: No Solution Exploring Operation: 26*52=1352, Resulting Numbers: [1352] 1352,29 unequal: No Solution Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 29:[39, 13], Operations: ['33-7=26', '26-13=13'] Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 39*13=507, Resulting Numbers: [507] 507,29 unequal: No Solution Exploring Operation: 39+13=52, Resulting Numbers: [52] 52,29 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: 29:[33, 7, 26], Operations: ['39-13=26'] Exploring Operation: 26-7=19, Resulting Numbers: [33, 19] Generated Node #0,2,0: 29:[33, 19] Operation: 26-7=19 Exploring Operation: 7+26=33, Resulting Numbers: [33, 33] Generated Node #0,2,1: 29:[33, 33] Operation: 7+26=33 Exploring Operation: 33-7=26, Resulting Numbers: [26, 26] Generated Node #0,2,2: 29:[26, 26] Operation: 33-7=26 Exploring Operation: 33+7=40, Resulting Numbers: [26, 40] Generated Node #0,2,3: 29:[26, 40] Operation: 33+7=40 Moving to Node #0,2,2 Current State: 29:[26, 26], Operations: ['39-13=26', '33-7=26'] Exploring Operation: 26/26=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 26-26=0, Resulting Numbers: [0] 0,29 unequal: No Solution Exploring Operation: 26+26=52, Resulting Numbers: [52] 52,29 unequal: No Solution Exploring Operation: 26*26=676, Resulting Numbers: [676] 676,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[33, 33], Operations: ['39-13=26', '7+26=33'] Exploring Operation: 33/33=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 33*33=1089, Resulting Numbers: [1089] 1089,29 unequal: No Solution Exploring Operation: 33+33=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 33-33=0, Resulting Numbers: [0] 0,29 unequal: No Solution Moving to Node #0,1,3 Current State: 29:[32, 20], Operations: ['39-7=32', '33-13=20'] Exploring Operation: 32*20=640, Resulting Numbers: [640] 640,29 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 32+20=52, Resulting Numbers: [52] 52,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[33, 19], Operations: ['39-7=32', '32-13=19'] Exploring Operation: 33*19=627, Resulting Numbers: [627] 627,29 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 33+19=52, Resulting Numbers: [52] 52,29 unequal: No Solution Moving to Node #0,2,3 Current State: 29:[26, 40], Operations: ['39-13=26', '33+7=40'] Exploring Operation: 26+40=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 26*40=1040, Resulting Numbers: [1040] 1040,29 unequal: No Solution Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[33, 19], Operations: ['39-13=26', '26-7=19'] Exploring Operation: 33*19=627, Resulting Numbers: [627] 627,29 unequal: No Solution Exploring Operation: 33+19=52, Resulting Numbers: [52] 52,29 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,29 unequal: No Solution Moving to Node #0,0,3 Current State: 29:[33, 19], Operations: ['7+13=20', '39-20=19'] Exploring Operation: 33*19=627, Resulting Numbers: [627] 627,29 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 33+19=52, Resulting Numbers: [52] 52,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[32, 46], Operations: ['39-7=32', '33+13=46'] Exploring Operation: 32*46=1472, Resulting Numbers: [1472] 1472,29 unequal: No Solution Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 32+46=78, Resulting Numbers: [78] 78,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[33, 45], Operations: ['39-7=32', '13+32=45'] Exploring Operation: 45-33=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 33+45=78, Resulting Numbers: [78] 78,29 unequal: No Solution Exploring Operation: 33*45=1485, Resulting Numbers: [1485] 1485,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[39, 13], Operations: ['7+13=20', '33-20=13'] Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 39+13=52, Resulting Numbers: [52] 52,29 unequal: No Solution Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 39*13=507, Resulting Numbers: [507] 507,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[20, 6], Operations: ['7+13=20', '39-33=6'] Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[39, 53], Operations: ['7+13=20', '33+20=53'] Exploring Operation: 39+53=92, Resulting Numbers: [92] 92,29 unequal: No Solution Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 39*53=2067, Resulting Numbers: [2067] 2067,29 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 16, 93, 6, 65 ]
18
[ "93-16=77", "65-6=59", "77-59=18" ]
Current State: 18:[16, 93, 6, 65], Operations: [] Exploring Operation: 93-16=77, Resulting Numbers: [6, 65, 77] Generated Node #2: [6, 65, 77] from Operation: 93-16=77 Current State: 18:[6, 65, 77], Operations: ['93-16=77'] Exploring Operation: 65-6=59, Resulting Numbers: [77, 59] Generated Node #3: [77, 59] from Operation: 65-6=59 Current State: 18:[77, 59], Operations: ['93-16=77', '65-6=59'] Exploring Operation: 77-59=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[16, 93, 6, 65], Operations: [] Exploring Operation: 93-65=28, Resulting Numbers: [16, 6, 28] Generated Node #0,0: 18:[16, 6, 28] Operation: 93-65=28 Exploring Operation: 93-16=77, Resulting Numbers: [6, 65, 77] Generated Node #0,1: 18:[6, 65, 77] Operation: 93-16=77 Exploring Operation: 65-16=49, Resulting Numbers: [93, 6, 49] Generated Node #0,2: 18:[93, 6, 49] Operation: 65-16=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[16, 6, 28], Operations: ['93-65=28'] Exploring Operation: 28-6=22, Resulting Numbers: [16, 22] Generated Node #0,0,0: 18:[16, 22] Operation: 28-6=22 Exploring Operation: 16-6=10, Resulting Numbers: [28, 10] Generated Node #0,0,1: 18:[28, 10] Operation: 16-6=10 Exploring Operation: 28-16=12, Resulting Numbers: [6, 12] Generated Node #0,0,2: 18:[6, 12] Operation: 28-16=12 Moving to Node #0,0,2 Current State: 18:[6, 12], Operations: ['93-65=28', '28-16=12'] Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[16, 93, 6, 65], Operations: [] Exploring Operation: 93-65=28, Resulting Numbers: [16, 6, 28] Generated Node #0,0: 18:[16, 6, 28] Operation: 93-65=28 Moving to Node #0,0 Current State: 18:[16, 6, 28], Operations: ['93-65=28'] Exploring Operation: 28-16=12, Resulting Numbers: [6, 12] Generated Node #0,0,2: 18:[6, 12] Operation: 28-16=12 Moving to Node #0,0,2 Current State: 18:[6, 12], Operations: ['93-65=28', '28-16=12'] Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 10, 39, 36, 27 ]
62
[ "39*36=1404", "1404/27=52", "10+52=62" ]
Current State: 62:[10, 39, 36, 27], Operations: [] Exploring Operation: 39*36=1404, Resulting Numbers: [10, 27, 1404] Generated Node #2: [10, 27, 1404] from Operation: 39*36=1404 Current State: 62:[10, 27, 1404], Operations: ['39*36=1404'] Exploring Operation: 1404/27=52, Resulting Numbers: [10, 52] Generated Node #3: [10, 52] from Operation: 1404/27=52 Current State: 62:[10, 52], Operations: ['39*36=1404', '1404/27=52'] Exploring Operation: 10+52=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[10, 39, 36, 27], Operations: [] Exploring Operation: 39+27=66, Resulting Numbers: [10, 36, 66] Generated Node #0,0: 62:[10, 36, 66] Operation: 39+27=66 Exploring Operation: 39-36=3, Resulting Numbers: [10, 27, 3] Generated Node #0,1: 62:[10, 27, 3] Operation: 39-36=3 Exploring Operation: 36-10=26, Resulting Numbers: [39, 27, 26] Generated Node #0,2: 62:[39, 27, 26] Operation: 36-10=26 Exploring Operation: 39-10=29, Resulting Numbers: [36, 27, 29] Generated Node #0,3: 62:[36, 27, 29] Operation: 39-10=29 Start Sub Search at level 1: Moving to Node #0,3 Current State: 62:[36, 27, 29], Operations: ['39-10=29'] Exploring Operation: 36+29=65, Resulting Numbers: [27, 65] Generated Node #0,3,0: 62:[27, 65] Operation: 36+29=65 Exploring Operation: 36+27=63, Resulting Numbers: [29, 63] Generated Node #0,3,1: 62:[29, 63] Operation: 36+27=63 Exploring Operation: 29-27=2, Resulting Numbers: [36, 2] Generated Node #0,3,2: 62:[36, 2] Operation: 29-27=2 Exploring Operation: 36-27=9, Resulting Numbers: [29, 9] Generated Node #0,3,3: 62:[29, 9] Operation: 36-27=9 Moving to Node #0,3,1 Current State: 62:[29, 63], Operations: ['39-10=29', '36+27=63'] Exploring Operation: 29*63=1827, Resulting Numbers: [1827] 1827,62 unequal: No Solution Exploring Operation: 29+63=92, Resulting Numbers: [92] 92,62 unequal: No Solution Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,62 unequal: No Solution Moving to Node #0,3,2 Current State: 62:[36, 2], Operations: ['39-10=29', '29-27=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,62 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,62 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,62 unequal: No Solution Moving to Node #0,3,0 Current State: 62:[27, 65], Operations: ['39-10=29', '36+29=65'] Exploring Operation: 65-27=38, Resulting Numbers: [38] 38,62 unequal: No Solution Exploring Operation: 27*65=1755, Resulting Numbers: [1755] 1755,62 unequal: No Solution Exploring Operation: 27+65=92, Resulting Numbers: [92] 92,62 unequal: No Solution Moving to Node #0,3,3 Current State: 62:[29, 9], Operations: ['39-10=29', '36-27=9'] Exploring Operation: 29+9=38, Resulting Numbers: [38] 38,62 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 29*9=261, Resulting Numbers: [261] 261,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[10, 27, 3], Operations: ['39-36=3'] Exploring Operation: 10*3=30, Resulting Numbers: [27, 30] Generated Node #0,1,0: 62:[27, 30] Operation: 10*3=30 Exploring Operation: 10-3=7, Resulting Numbers: [27, 7] Generated Node #0,1,1: 62:[27, 7] Operation: 10-3=7 Exploring Operation: 10+27=37, Resulting Numbers: [3, 37] Generated Node #0,1,2: 62:[3, 37] Operation: 10+27=37 Exploring Operation: 27+3=30, Resulting Numbers: [10, 30] Generated Node #0,1,3: 62:[10, 30] Operation: 27+3=30 Moving to Node #0,1,0 Current State: 62:[27, 30], Operations: ['39-36=3', '10*3=30'] Exploring Operation: 30-27=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 27+30=57, Resulting Numbers: [57] 57,62 unequal: No Solution Exploring Operation: 27*30=810, Resulting Numbers: [810] 810,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[3, 37], Operations: ['39-36=3', '10+27=37'] Exploring Operation: 3+37=40, Resulting Numbers: [40] 40,62 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 3*37=111, Resulting Numbers: [111] 111,62 unequal: No Solution Moving to Node #0,1,3 Current State: 62:[10, 30], Operations: ['39-36=3', '27+3=30'] Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 10*30=300, Resulting Numbers: [300] 300,62 unequal: No Solution Exploring Operation: 10+30=40, Resulting Numbers: [40] 40,62 unequal: No Solution Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[27, 7], Operations: ['39-36=3', '10-3=7'] Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[10, 36, 66], Operations: ['39+27=66'] Exploring Operation: 36-10=26, Resulting Numbers: [66, 26] Generated Node #0,0,0: 62:[66, 26] Operation: 36-10=26 Exploring Operation: 66-10=56, Resulting Numbers: [36, 56] Generated Node #0,0,1: 62:[36, 56] Operation: 66-10=56 Exploring Operation: 10+36=46, Resulting Numbers: [66, 46] Generated Node #0,0,2: 62:[66, 46] Operation: 10+36=46 Exploring Operation: 66-36=30, Resulting Numbers: [10, 30] Generated Node #0,0,3: 62:[10, 30] Operation: 66-36=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 62:[66, 26], Operations: ['39+27=66', '36-10=26'] Exploring Operation: 66*26=1716, Resulting Numbers: [1716] 1716,62 unequal: No Solution Exploring Operation: 66+26=92, Resulting Numbers: [92] 92,62 unequal: No Solution Exploring Operation: 66-26=40, Resulting Numbers: [40] 40,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 62:[10, 30], Operations: ['39+27=66', '66-36=30'] Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 10*30=300, Resulting Numbers: [300] 300,62 unequal: No Solution Exploring Operation: 10+30=40, Resulting Numbers: [40] 40,62 unequal: No Solution Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 62:[36, 56], Operations: ['39+27=66', '66-10=56'] Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 36*56=2016, Resulting Numbers: [2016] 2016,62 unequal: No Solution Exploring Operation: 36+56=92, Resulting Numbers: [92] 92,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 62:[66, 46], Operations: ['39+27=66', '10+36=46'] Exploring Operation: 66-46=20, Resulting Numbers: [20] 20,62 unequal: No Solution Exploring Operation: 66*46=3036, Resulting Numbers: [3036] 3036,62 unequal: No Solution Exploring Operation: 66+46=112, Resulting Numbers: [112] 112,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 62:[39, 27, 26], Operations: ['36-10=26'] Exploring Operation: 39+27=66, Resulting Numbers: [26, 66] Generated Node #0,2,0: 62:[26, 66] Operation: 39+27=66 Exploring Operation: 27-26=1, Resulting Numbers: [39, 1] Generated Node #0,2,1: 62:[39, 1] Operation: 27-26=1 Exploring Operation: 39+26=65, Resulting Numbers: [27, 65] Generated Node #0,2,2: 62:[27, 65] Operation: 39+26=65 Exploring Operation: 39-27=12, Resulting Numbers: [26, 12] Generated Node #0,2,3: 62:[26, 12] Operation: 39-27=12 Moving to Node #0,2,2 Current State: 62:[27, 65], Operations: ['36-10=26', '39+26=65'] Exploring Operation: 27+65=92, Resulting Numbers: [92] 92,62 unequal: No Solution Exploring Operation: 65-27=38, Resulting Numbers: [38] 38,62 unequal: No Solution Exploring Operation: 27*65=1755, Resulting Numbers: [1755] 1755,62 unequal: No Solution Moving to Node #0,2,1 Current State: 62:[39, 1], Operations: ['36-10=26', '27-26=1'] Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,62 unequal: No Solution Exploring Operation: 39+1=40, Resulting Numbers: [40] 40,62 unequal: No Solution Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,62 unequal: No Solution Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,62 unequal: No Solution Moving to Node #0,2,0 Current State: 62:[26, 66], Operations: ['36-10=26', '39+27=66'] Exploring Operation: 26*66=1716, Resulting Numbers: [1716] 1716,62 unequal: No Solution Exploring Operation: 26+66=92, Resulting Numbers: [92] 92,62 unequal: No Solution Exploring Operation: 66-26=40, Resulting Numbers: [40] 40,62 unequal: No Solution Moving to Node #0,2,3 Current State: 62:[26, 12], Operations: ['36-10=26', '39-27=12'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,62 unequal: No Solution Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,62 unequal: No Solution Exploring Operation: 26*12=312, Resulting Numbers: [312] 312,62 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, 26, 46, 38 ]
47
[ "11+26=37", "46+38=84", "84-37=47" ]
Current State: 47:[11, 26, 46, 38], Operations: [] Exploring Operation: 11+26=37, Resulting Numbers: [46, 38, 37] Generated Node #2: [46, 38, 37] from Operation: 11+26=37 Current State: 47:[46, 38, 37], Operations: ['11+26=37'] Exploring Operation: 46+38=84, Resulting Numbers: [37, 84] Generated Node #3: [37, 84] from Operation: 46+38=84 Current State: 47:[37, 84], Operations: ['11+26=37', '46+38=84'] Exploring Operation: 84-37=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[11, 26, 46, 38], Operations: [] Exploring Operation: 11+26=37, Resulting Numbers: [46, 38, 37] Generated Node #0,0: 47:[46, 38, 37] Operation: 11+26=37 Moving to Node #0,0 Current State: 47:[46, 38, 37], Operations: ['11+26=37'] Exploring Operation: 38+37=75, Resulting Numbers: [46, 75] Generated Node #0,0,0: 47:[46, 75] Operation: 38+37=75 Moving to Node #0,0,0 Current State: 47:[46, 75], Operations: ['11+26=37', '38+37=75'] Exploring Operation: 75-46=29, Resulting Numbers: [29] 29,47 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 74, 62, 54, 19 ]
23
[ "74-62=12", "54-19=35", "35-12=23" ]
Current State: 23:[74, 62, 54, 19], Operations: [] Exploring Operation: 74-62=12, Resulting Numbers: [54, 19, 12] Generated Node #2: [54, 19, 12] from Operation: 74-62=12 Current State: 23:[54, 19, 12], Operations: ['74-62=12'] Exploring Operation: 54-19=35, Resulting Numbers: [12, 35] Generated Node #3: [12, 35] from Operation: 54-19=35 Current State: 23:[12, 35], Operations: ['74-62=12', '54-19=35'] Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[74, 62, 54, 19], Operations: [] Exploring Operation: 74-54=20, Resulting Numbers: [62, 19, 20] Generated Node #0,0: 23:[62, 19, 20] Operation: 74-54=20 Exploring Operation: 74-62=12, Resulting Numbers: [54, 19, 12] Generated Node #0,1: 23:[54, 19, 12] Operation: 74-62=12 Moving to Node #0,0 Current State: 23:[62, 19, 20], Operations: ['74-54=20'] Exploring Operation: 62-20=42, Resulting Numbers: [19, 42] Generated Node #0,0,0: 23:[19, 42] Operation: 62-20=42 Exploring Operation: 62-19=43, Resulting Numbers: [20, 43] Generated Node #0,0,1: 23:[20, 43] Operation: 62-19=43 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[19, 42], Operations: ['74-54=20', '62-20=42'] Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[74, 62, 54, 19], Operations: [] Exploring Operation: 74-54=20, Resulting Numbers: [62, 19, 20] Generated Node #0,0: 23:[62, 19, 20] Operation: 74-54=20 Moving to Node #0,0 Current State: 23:[62, 19, 20], Operations: ['74-54=20'] Exploring Operation: 62-20=42, Resulting Numbers: [19, 42] Generated Node #0,0,0: 23:[19, 42] Operation: 62-20=42 Moving to Node #0,0,0 Current State: 23:[19, 42], Operations: ['74-54=20', '62-20=42'] Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 40, 80, 25, 65 ]
92
[ "80/40=2", "25+65=90", "2+90=92" ]
Current State: 92:[40, 80, 25, 65], Operations: [] Exploring Operation: 80/40=2, Resulting Numbers: [25, 65, 2] Generated Node #2: [25, 65, 2] from Operation: 80/40=2 Current State: 92:[25, 65, 2], Operations: ['80/40=2'] Exploring Operation: 25+65=90, Resulting Numbers: [2, 90] Generated Node #3: [2, 90] from Operation: 25+65=90 Current State: 92:[2, 90], Operations: ['80/40=2', '25+65=90'] Exploring Operation: 2+90=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[40, 80, 25, 65], Operations: [] Exploring Operation: 80-65=15, Resulting Numbers: [40, 25, 15] Generated Node #0,0: 92:[40, 25, 15] Operation: 80-65=15 Exploring Operation: 80/40=2, Resulting Numbers: [25, 65, 2] Generated Node #0,1: 92:[25, 65, 2] Operation: 80/40=2 Exploring Operation: 25+65=90, Resulting Numbers: [40, 80, 90] Generated Node #0,2: 92:[40, 80, 90] Operation: 25+65=90 Exploring Operation: 65-40=25, Resulting Numbers: [80, 25, 25] Generated Node #0,3: 92:[80, 25, 25] Operation: 65-40=25 Moving to Node #0,0 Current State: 92:[40, 25, 15], Operations: ['80-65=15'] Exploring Operation: 40-15=25, Resulting Numbers: [25, 25] Generated Node #0,0,0: 92:[25, 25] Operation: 40-15=25 Exploring Operation: 25-15=10, Resulting Numbers: [40, 10] Generated Node #0,0,1: 92:[40, 10] Operation: 25-15=10 Exploring Operation: 40+15=55, Resulting Numbers: [25, 55] Generated Node #0,0,2: 92:[25, 55] Operation: 40+15=55 Exploring Operation: 25+15=40, Resulting Numbers: [40, 40] Generated Node #0,0,3: 92:[40, 40] Operation: 25+15=40 Moving to Node #0,3 Current State: 92:[80, 25, 25], Operations: ['65-40=25'] Exploring Operation: 80-25=55, Resulting Numbers: [25, 55] Generated Node #0,3,0: 92:[25, 55] Operation: 80-25=55 Exploring Operation: 80-25=55, Resulting Numbers: [25, 55] Generated Node #0,3,1: 92:[25, 55] Operation: 80-25=55 Exploring Operation: 25-25=0, Resulting Numbers: [80, 0] Generated Node #0,3,2: 92:[80, 0] Operation: 25-25=0 Exploring Operation: 25/25=1, Resulting Numbers: [80, 1] Generated Node #0,3,3: 92:[80, 1] Operation: 25/25=1 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 92:[25, 55], Operations: ['65-40=25', '80-25=55'] Exploring Operation: 25*55=1375, Resulting Numbers: [1375] 1375,92 unequal: No Solution Exploring Operation: 25+55=80, Resulting Numbers: [80] 80,92 unequal: No Solution Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,92 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:[25, 55], Operations: ['65-40=25', '80-25=55'] Exploring Operation: 25+55=80, Resulting Numbers: [80] 80,92 unequal: No Solution Exploring Operation: 25*55=1375, Resulting Numbers: [1375] 1375,92 unequal: No Solution Exploring Operation: 55-25=30, Resulting Numbers: [30] 30,92 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:[80, 1], Operations: ['65-40=25', '25/25=1'] Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,92 unequal: No Solution Exploring Operation: 80/1=80, Resulting Numbers: [80] 80,92 unequal: No Solution Exploring Operation: 80-1=79, Resulting Numbers: [79] 79,92 unequal: No Solution Exploring Operation: 80+1=81, Resulting Numbers: [81] 81,92 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:[80, 0], Operations: ['65-40=25', '25-25=0'] Exploring Operation: 80*0=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 80+0=80, Resulting Numbers: [80] 80,92 unequal: No Solution Exploring Operation: 80-0=80, Resulting Numbers: [80] 80,92 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: 92:[40, 80, 90], Operations: ['25+65=90'] Exploring Operation: 90-80=10, Resulting Numbers: [40, 10] Generated Node #0,2,0: 92:[40, 10] Operation: 90-80=10 Exploring Operation: 80/40=2, Resulting Numbers: [90, 2] Generated Node #0,2,1: 92:[90, 2] Operation: 80/40=2 Exploring Operation: 80-40=40, Resulting Numbers: [90, 40] Generated Node #0,2,2: 92:[90, 40] Operation: 80-40=40 Exploring Operation: 90-40=50, Resulting Numbers: [80, 50] Generated Node #0,2,3: 92:[80, 50] Operation: 90-40=50 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 92:[90, 2], Operations: ['25+65=90', '80/40=2'] Exploring Operation: 90+2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[40, 80, 25, 65], Operations: [] Exploring Operation: 25+65=90, Resulting Numbers: [40, 80, 90] Generated Node #0,2: 92:[40, 80, 90] Operation: 25+65=90 Moving to Node #0,2 Current State: 92:[40, 80, 90], Operations: ['25+65=90'] Exploring Operation: 80/40=2, Resulting Numbers: [90, 2] Generated Node #0,2,1: 92:[90, 2] Operation: 80/40=2 Moving to Node #0,2,1 Current State: 92:[90, 2], Operations: ['25+65=90', '80/40=2'] Exploring Operation: 90+2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
sum_heuristic
[ 31, 26, 2, 39 ]
18
[ "31+39=70", "26*2=52", "70-52=18" ]
Current State: 18:[31, 26, 2, 39], Operations: [] Exploring Operation: 31+39=70, Resulting Numbers: [26, 2, 70] Generated Node #2: [26, 2, 70] from Operation: 31+39=70 Current State: 18:[26, 2, 70], Operations: ['31+39=70'] Exploring Operation: 26*2=52, Resulting Numbers: [70, 52] Generated Node #3: [70, 52] from Operation: 26*2=52 Current State: 18:[70, 52], Operations: ['31+39=70', '26*2=52'] Exploring Operation: 70-52=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[31, 26, 2, 39], Operations: [] Exploring Operation: 39-26=13, Resulting Numbers: [31, 2, 13] Generated Node #0,0: 18:[31, 2, 13] Operation: 39-26=13 Exploring Operation: 39-31=8, Resulting Numbers: [26, 2, 8] Generated Node #0,1: 18:[26, 2, 8] Operation: 39-31=8 Exploring Operation: 31-26=5, Resulting Numbers: [2, 39, 5] Generated Node #0,2: 18:[2, 39, 5] Operation: 31-26=5 Exploring Operation: 26/2=13, Resulting Numbers: [31, 39, 13] Generated Node #0,3: 18:[31, 39, 13] Operation: 26/2=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[26, 2, 8], Operations: ['39-31=8'] Exploring Operation: 26/2=13, Resulting Numbers: [8, 13] Generated Node #0,1,0: 18:[8, 13] Operation: 26/2=13 Exploring Operation: 26-2=24, Resulting Numbers: [8, 24] Generated Node #0,1,1: 18:[8, 24] Operation: 26-2=24 Exploring Operation: 26-8=18, Resulting Numbers: [2, 18] Generated Node #0,1,2: 18:[2, 18] Operation: 26-8=18 Exploring Operation: 8-2=6, Resulting Numbers: [26, 6] Generated Node #0,1,3: 18:[26, 6] Operation: 8-2=6 Moving to Node #0,1,2 Current State: 18:[2, 18], Operations: ['39-31=8', '26-8=18'] Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,18 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[8, 13], Operations: ['39-31=8', '26/2=13'] Exploring Operation: 8*13=104, Resulting Numbers: [104] 104,18 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 8+13=21, Resulting Numbers: [21] 21,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[8, 24], Operations: ['39-31=8', '26-2=24'] Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 8*24=192, Resulting Numbers: [192] 192,18 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,18 unequal: No Solution Moving to Node #0,1,3 Current State: 18:[26, 6], Operations: ['39-31=8', '8-2=6'] Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,18 unequal: No Solution Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,18 unequal: No Solution Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[31, 2, 13], Operations: ['39-26=13'] Exploring Operation: 2+13=15, Resulting Numbers: [31, 15] Generated Node #0,0,0: 18:[31, 15] Operation: 2+13=15 Exploring Operation: 31-2=29, Resulting Numbers: [13, 29] Generated Node #0,0,1: 18:[13, 29] Operation: 31-2=29 Exploring Operation: 31-13=18, Resulting Numbers: [2, 18] Generated Node #0,0,2: 18:[2, 18] Operation: 31-13=18 Exploring Operation: 13-2=11, Resulting Numbers: [31, 11] Generated Node #0,0,3: 18:[31, 11] Operation: 13-2=11 Moving to Node #0,0,2 Current State: 18:[2, 18], Operations: ['39-26=13', '31-13=18'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,18 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,18 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,18 unequal: No Solution Moving to Node #0,0,3 Current State: 18:[31, 11], Operations: ['39-26=13', '13-2=11'] Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,18 unequal: No Solution Exploring Operation: 31*11=341, Resulting Numbers: [341] 341,18 unequal: No Solution Exploring Operation: 31+11=42, Resulting Numbers: [42] 42,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[13, 29], Operations: ['39-26=13', '31-2=29'] Exploring Operation: 13+29=42, Resulting Numbers: [42] 42,18 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 13*29=377, Resulting Numbers: [377] 377,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[31, 15], Operations: ['39-26=13', '2+13=15'] Exploring Operation: 31*15=465, Resulting Numbers: [465] 465,18 unequal: No Solution Exploring Operation: 31+15=46, Resulting Numbers: [46] 46,18 unequal: No Solution Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[2, 39, 5], Operations: ['31-26=5'] Exploring Operation: 5-2=3, Resulting Numbers: [39, 3] Generated Node #0,2,0: 18:[39, 3] Operation: 5-2=3 Exploring Operation: 39-5=34, Resulting Numbers: [2, 34] Generated Node #0,2,1: 18:[2, 34] Operation: 39-5=34 Exploring Operation: 2+5=7, Resulting Numbers: [39, 7] Generated Node #0,2,2: 18:[39, 7] Operation: 2+5=7 Exploring Operation: 39-2=37, Resulting Numbers: [5, 37] Generated Node #0,2,3: 18:[5, 37] Operation: 39-2=37 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 18:[2, 34], Operations: ['31-26=5', '39-5=34'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,18 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,18 unequal: No Solution Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,18 unequal: No Solution Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 18:[5, 37], Operations: ['31-26=5', '39-2=37'] Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,18 unequal: No Solution Exploring Operation: 5*37=185, Resulting Numbers: [185] 185,18 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 18:[39, 3], Operations: ['31-26=5', '5-2=3'] Exploring Operation: 39*3=117, Resulting Numbers: [117] 117,18 unequal: No Solution Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,18 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 18:[39, 7], Operations: ['31-26=5', '2+5=7'] Exploring Operation: 39+7=46, Resulting Numbers: [46] 46,18 unequal: No Solution Exploring Operation: 39*7=273, Resulting Numbers: [273] 273,18 unequal: No Solution Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 18:[31, 39, 13], Operations: ['26/2=13'] Exploring Operation: 39-13=26, Resulting Numbers: [31, 26] Generated Node #0,3,0: 18:[31, 26] Operation: 39-13=26 Exploring Operation: 31-13=18, Resulting Numbers: [39, 18] Generated Node #0,3,1: 18:[39, 18] Operation: 31-13=18 Exploring Operation: 39/13=3, Resulting Numbers: [31, 3] Generated Node #0,3,2: 18:[31, 3] Operation: 39/13=3 Exploring Operation: 39-31=8, Resulting Numbers: [13, 8] Generated Node #0,3,3: 18:[13, 8] Operation: 39-31=8 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 18:[13, 8], Operations: ['26/2=13', '39-31=8'] Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,18 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 18:[31, 3], Operations: ['26/2=13', '39/13=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,18 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 18:[31, 26], Operations: ['26/2=13', '39-13=26'] Exploring Operation: 31*26=806, Resulting Numbers: [806] 806,18 unequal: No Solution Exploring Operation: 31+26=57, Resulting Numbers: [57] 57,18 unequal: No Solution Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 18:[39, 18], Operations: ['26/2=13', '31-13=18'] Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,18 unequal: No Solution Exploring Operation: 39+18=57, Resulting Numbers: [57] 57,18 unequal: No Solution Exploring Operation: 39*18=702, Resulting Numbers: [702] 702,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 55, 86, 58, 36 ]
98
[ "58-55=3", "36/3=12", "86+12=98" ]
Current State: 98:[55, 86, 58, 36], Operations: [] Exploring Operation: 58-55=3, Resulting Numbers: [86, 36, 3] Generated Node #2: [86, 36, 3] from Operation: 58-55=3 Current State: 98:[86, 36, 3], Operations: ['58-55=3'] Exploring Operation: 36/3=12, Resulting Numbers: [86, 12] Generated Node #3: [86, 12] from Operation: 36/3=12 Current State: 98:[86, 12], Operations: ['58-55=3', '36/3=12'] Exploring Operation: 86+12=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[55, 86, 58, 36], Operations: [] Exploring Operation: 86-36=50, Resulting Numbers: [55, 58, 50] Generated Node #0,0: 98:[55, 58, 50] Operation: 86-36=50 Exploring Operation: 58-55=3, Resulting Numbers: [86, 36, 3] Generated Node #0,1: 98:[86, 36, 3] Operation: 58-55=3 Exploring Operation: 58+36=94, Resulting Numbers: [55, 86, 94] Generated Node #0,2: 98:[55, 86, 94] Operation: 58+36=94 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[55, 58, 50], Operations: ['86-36=50'] Exploring Operation: 55-50=5, Resulting Numbers: [58, 5] Generated Node #0,0,0: 98:[58, 5] Operation: 55-50=5 Exploring Operation: 58-50=8, Resulting Numbers: [55, 8] Generated Node #0,0,1: 98:[55, 8] Operation: 58-50=8 Exploring Operation: 58-55=3, Resulting Numbers: [50, 3] Generated Node #0,0,2: 98:[50, 3] Operation: 58-55=3 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 98:[50, 3], Operations: ['86-36=50', '58-55=3'] Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,98 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,98 unequal: No Solution No 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: 98:[55, 8], Operations: ['86-36=50', '58-50=8'] Exploring Operation: 55-8=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 55+8=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 55*8=440, Resulting Numbers: [440] 440,98 unequal: No Solution No 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: 98:[58, 5], Operations: ['86-36=50', '55-50=5'] Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,98 unequal: No Solution Exploring Operation: 58+5=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 58*5=290, Resulting Numbers: [290] 290,98 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: 98:[55, 86, 94], Operations: ['58+36=94'] Exploring Operation: 86-55=31, Resulting Numbers: [94, 31] Generated Node #0,2,0: 98:[94, 31] Operation: 86-55=31 Exploring Operation: 94-55=39, Resulting Numbers: [86, 39] Generated Node #0,2,1: 98:[86, 39] Operation: 94-55=39 Exploring Operation: 94-86=8, Resulting Numbers: [55, 8] Generated Node #0,2,2: 98:[55, 8] Operation: 94-86=8 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 98:[55, 8], Operations: ['58+36=94', '94-86=8'] Exploring Operation: 55*8=440, Resulting Numbers: [440] 440,98 unequal: No Solution Exploring Operation: 55-8=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 55+8=63, Resulting Numbers: [63] 63,98 unequal: No Solution No 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: 98:[94, 31], Operations: ['58+36=94', '86-55=31'] Exploring Operation: 94-31=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 94+31=125, Resulting Numbers: [125] 125,98 unequal: No Solution Exploring Operation: 94*31=2914, Resulting Numbers: [2914] 2914,98 unequal: No Solution No 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: 98:[86, 39], Operations: ['58+36=94', '94-55=39'] Exploring Operation: 86-39=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 86*39=3354, Resulting Numbers: [3354] 3354,98 unequal: No Solution Exploring Operation: 86+39=125, Resulting Numbers: [125] 125,98 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: 98:[86, 36, 3], Operations: ['58-55=3'] Exploring Operation: 86-36=50, Resulting Numbers: [3, 50] Generated Node #0,1,0: 98:[3, 50] Operation: 86-36=50 Exploring Operation: 86+3=89, Resulting Numbers: [36, 89] Generated Node #0,1,1: 98:[36, 89] Operation: 86+3=89 Exploring Operation: 36/3=12, Resulting Numbers: [86, 12] Generated Node #0,1,2: 98:[86, 12] Operation: 36/3=12 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[3, 50], Operations: ['58-55=3', '86-36=50'] Exploring Operation: 3*50=150, Resulting Numbers: [150] 150,98 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 3+50=53, Resulting Numbers: [53] 53,98 unequal: No Solution No 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: 98:[86, 12], Operations: ['58-55=3', '36/3=12'] Exploring Operation: 86-12=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 86+12=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[55, 86, 58, 36], Operations: [] Exploring Operation: 58-55=3, Resulting Numbers: [86, 36, 3] Generated Node #0,1: 98:[86, 36, 3] Operation: 58-55=3 Moving to Node #0,1 Current State: 98:[86, 36, 3], Operations: ['58-55=3'] Exploring Operation: 36/3=12, Resulting Numbers: [86, 12] Generated Node #0,1,2: 98:[86, 12] Operation: 36/3=12 Moving to Node #0,1,2 Current State: 98:[86, 12], Operations: ['58-55=3', '36/3=12'] Exploring Operation: 86+12=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.966146
hs_3
mult_heuristic
[ 14, 85, 21, 71 ]
98
[ "21-14=7", "85-71=14", "7*14=98" ]
Current State: 98:[14, 85, 21, 71], Operations: [] Exploring Operation: 21-14=7, Resulting Numbers: [85, 71, 7] Generated Node #2: [85, 71, 7] from Operation: 21-14=7 Current State: 98:[85, 71, 7], Operations: ['21-14=7'] Exploring Operation: 85-71=14, Resulting Numbers: [7, 14] Generated Node #3: [7, 14] from Operation: 85-71=14 Current State: 98:[7, 14], Operations: ['21-14=7', '85-71=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[14, 85, 21, 71], Operations: [] Exploring Operation: 85-71=14, Resulting Numbers: [14, 21, 14] Generated Node #0,0: 98:[14, 21, 14] Operation: 85-71=14 Moving to Node #0,0 Current State: 98:[14, 21, 14], Operations: ['85-71=14'] Exploring Operation: 21-14=7, Resulting Numbers: [14, 7] Generated Node #0,0,0: 98:[14, 7] Operation: 21-14=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[14, 7], Operations: ['85-71=14', '21-14=7'] Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[14, 85, 21, 71], Operations: [] Exploring Operation: 85-71=14, Resulting Numbers: [14, 21, 14] Generated Node #0,0: 98:[14, 21, 14] Operation: 85-71=14 Moving to Node #0,0 Current State: 98:[14, 21, 14], Operations: ['85-71=14'] Exploring Operation: 21-14=7, Resulting Numbers: [14, 7] Generated Node #0,0,0: 98:[14, 7] Operation: 21-14=7 Moving to Node #0,0,0 Current State: 98:[14, 7], Operations: ['85-71=14', '21-14=7'] Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 27, 62, 6, 3 ]
66
[ "27-3=24", "24/6=4", "62+4=66" ]
Current State: 66:[27, 62, 6, 3], Operations: [] Exploring Operation: 27-3=24, Resulting Numbers: [62, 6, 24] Generated Node #2: [62, 6, 24] from Operation: 27-3=24 Current State: 66:[62, 6, 24], Operations: ['27-3=24'] Exploring Operation: 24/6=4, Resulting Numbers: [62, 4] Generated Node #3: [62, 4] from Operation: 24/6=4 Current State: 66:[62, 4], Operations: ['27-3=24', '24/6=4'] Exploring Operation: 62+4=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[27, 62, 6, 3], Operations: [] Exploring Operation: 62-27=35, Resulting Numbers: [6, 3, 35] Generated Node #0,0: 66:[6, 3, 35] Operation: 62-27=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[6, 3, 35], Operations: ['62-27=35'] Exploring Operation: 35-3=32, Resulting Numbers: [6, 32] Generated Node #0,0,0: 66:[6, 32] Operation: 35-3=32 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[6, 32], Operations: ['62-27=35', '35-3=32'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,66 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
[ 98, 83, 84, 8 ]
91
[ "98-83=15", "84-8=76", "15+76=91" ]
Current State: 91:[98, 83, 84, 8], Operations: [] Exploring Operation: 98-83=15, Resulting Numbers: [84, 8, 15] Generated Node #2: [84, 8, 15] from Operation: 98-83=15 Current State: 91:[84, 8, 15], Operations: ['98-83=15'] Exploring Operation: 84-8=76, Resulting Numbers: [15, 76] Generated Node #3: [15, 76] from Operation: 84-8=76 Current State: 91:[15, 76], Operations: ['98-83=15', '84-8=76'] Exploring Operation: 15+76=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[98, 83, 84, 8], Operations: [] Exploring Operation: 98-83=15, Resulting Numbers: [84, 8, 15] Generated Node #0,0: 91:[84, 8, 15] Operation: 98-83=15 Moving to Node #0,0 Current State: 91:[84, 8, 15], Operations: ['98-83=15'] Exploring Operation: 84+8=92, Resulting Numbers: [15, 92] Generated Node #0,0,0: 91:[15, 92] Operation: 84+8=92 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 91:[15, 92], Operations: ['98-83=15', '84+8=92'] Exploring Operation: 92-15=77, Resulting Numbers: [77] 77,91 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
[ 31, 72, 30, 98 ]
87
[ "72-31=41", "30+98=128", "128-41=87" ]
Current State: 87:[31, 72, 30, 98], Operations: [] Exploring Operation: 72-31=41, Resulting Numbers: [30, 98, 41] Generated Node #2: [30, 98, 41] from Operation: 72-31=41 Current State: 87:[30, 98, 41], Operations: ['72-31=41'] Exploring Operation: 30+98=128, Resulting Numbers: [41, 128] Generated Node #3: [41, 128] from Operation: 30+98=128 Current State: 87:[41, 128], Operations: ['72-31=41', '30+98=128'] Exploring Operation: 128-41=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[31, 72, 30, 98], Operations: [] Exploring Operation: 72-31=41, Resulting Numbers: [30, 98, 41] Generated Node #0,0: 87:[30, 98, 41] Operation: 72-31=41 Exploring Operation: 98-72=26, Resulting Numbers: [31, 30, 26] Generated Node #0,1: 87:[31, 30, 26] Operation: 98-72=26 Moving to Node #0,1 Current State: 87:[31, 30, 26], Operations: ['98-72=26'] Exploring Operation: 31-26=5, Resulting Numbers: [30, 5] Generated Node #0,1,0: 87:[30, 5] Operation: 31-26=5 Exploring Operation: 30-26=4, Resulting Numbers: [31, 4] Generated Node #0,1,1: 87:[31, 4] Operation: 30-26=4 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 87:[30, 5], Operations: ['98-72=26', '31-26=5'] Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,87 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 87:[31, 4], Operations: ['98-72=26', '30-26=4'] Exploring Operation: 31+4=35, Resulting Numbers: [35] 35,87 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 87:[30, 98, 41], Operations: ['72-31=41'] Exploring Operation: 41-30=11, Resulting Numbers: [98, 11] Generated Node #0,0,0: 87:[98, 11] Operation: 41-30=11 Exploring Operation: 30+41=71, Resulting Numbers: [98, 71] Generated Node #0,0,1: 87:[98, 71] Operation: 30+41=71 Moving to Node #0,0,0 Current State: 87:[98, 11], Operations: ['72-31=41', '41-30=11'] Exploring Operation: 98+11=109, Resulting Numbers: [109] 109,87 unequal: No Solution Exploring Operation: 98-11=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[31, 72, 30, 98], Operations: [] Exploring Operation: 72-31=41, Resulting Numbers: [30, 98, 41] Generated Node #0,0: 87:[30, 98, 41] Operation: 72-31=41 Moving to Node #0,0 Current State: 87:[30, 98, 41], Operations: ['72-31=41'] Exploring Operation: 41-30=11, Resulting Numbers: [98, 11] Generated Node #0,0,0: 87:[98, 11] Operation: 41-30=11 Moving to Node #0,0,0 Current State: 87:[98, 11], Operations: ['72-31=41', '41-30=11'] Exploring Operation: 98-11=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 83, 92, 39, 87 ]
64
[ "87-83=4", "39*4=156", "156-92=64" ]
Current State: 64:[83, 92, 39, 87], Operations: [] Exploring Operation: 87-83=4, Resulting Numbers: [92, 39, 4] Generated Node #2: [92, 39, 4] from Operation: 87-83=4 Current State: 64:[92, 39, 4], Operations: ['87-83=4'] Exploring Operation: 39*4=156, Resulting Numbers: [92, 156] Generated Node #3: [92, 156] from Operation: 39*4=156 Current State: 64:[92, 156], Operations: ['87-83=4', '39*4=156'] Exploring Operation: 156-92=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[83, 92, 39, 87], Operations: [] Exploring Operation: 92-87=5, Resulting Numbers: [83, 39, 5] Generated Node #0,0: 64:[83, 39, 5] Operation: 92-87=5 Exploring Operation: 92-83=9, Resulting Numbers: [39, 87, 9] Generated Node #0,1: 64:[39, 87, 9] Operation: 92-83=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[83, 39, 5], Operations: ['92-87=5'] Exploring Operation: 83-39=44, Resulting Numbers: [5, 44] Generated Node #0,0,0: 64:[5, 44] Operation: 83-39=44 Exploring Operation: 83-5=78, Resulting Numbers: [39, 78] Generated Node #0,0,1: 64:[39, 78] Operation: 83-5=78 Moving to Node #0,0,0 Current State: 64:[5, 44], Operations: ['92-87=5', '83-39=44'] Exploring Operation: 5+44=49, Resulting Numbers: [49] 49,64 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,64 unequal: No Solution Moving to Node #0,0,1 Current State: 64:[39, 78], Operations: ['92-87=5', '83-5=78'] Exploring Operation: 78-39=39, Resulting Numbers: [39] 39,64 unequal: No Solution Exploring Operation: 78/39=2, Resulting Numbers: [2] 2,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[39, 87, 9], Operations: ['92-83=9'] Exploring Operation: 87-9=78, Resulting Numbers: [39, 78] Generated Node #0,1,0: 64:[39, 78] Operation: 87-9=78 Exploring Operation: 87-39=48, Resulting Numbers: [9, 48] Generated Node #0,1,1: 64:[9, 48] Operation: 87-39=48 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 64:[9, 48], Operations: ['92-83=9', '87-39=48'] Exploring Operation: 9+48=57, Resulting Numbers: [57] 57,64 unequal: No Solution Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 64:[39, 78], Operations: ['92-83=9', '87-9=78'] Exploring Operation: 78/39=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 78-39=39, Resulting Numbers: [39] 39,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 8, 40, 65, 10 ]
33
[ "8*40=320", "320/10=32", "65-32=33" ]
Current State: 33:[8, 40, 65, 10], Operations: [] Exploring Operation: 8*40=320, Resulting Numbers: [65, 10, 320] Generated Node #2: [65, 10, 320] from Operation: 8*40=320 Current State: 33:[65, 10, 320], Operations: ['8*40=320'] Exploring Operation: 320/10=32, Resulting Numbers: [65, 32] Generated Node #3: [65, 32] from Operation: 320/10=32 Current State: 33:[65, 32], Operations: ['8*40=320', '320/10=32'] Exploring Operation: 65-32=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[8, 40, 65, 10], Operations: [] Exploring Operation: 65-8=57, Resulting Numbers: [40, 10, 57] Generated Node #0,0: 33:[40, 10, 57] Operation: 65-8=57 Exploring Operation: 65-40=25, Resulting Numbers: [8, 10, 25] Generated Node #0,1: 33:[8, 10, 25] Operation: 65-40=25 Exploring Operation: 65-10=55, Resulting Numbers: [8, 40, 55] Generated Node #0,2: 33:[8, 40, 55] Operation: 65-10=55 Exploring Operation: 40-8=32, Resulting Numbers: [65, 10, 32] Generated Node #0,3: 33:[65, 10, 32] Operation: 40-8=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[8, 10, 25], Operations: ['65-40=25'] Exploring Operation: 10+25=35, Resulting Numbers: [8, 35] Generated Node #0,1,0: 33:[8, 35] Operation: 10+25=35 Exploring Operation: 25-10=15, Resulting Numbers: [8, 15] Generated Node #0,1,1: 33:[8, 15] Operation: 25-10=15 Exploring Operation: 8+25=33, Resulting Numbers: [10, 33] Generated Node #0,1,2: 33:[10, 33] Operation: 8+25=33 Exploring Operation: 25-8=17, Resulting Numbers: [10, 17] Generated Node #0,1,3: 33:[10, 17] Operation: 25-8=17 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 33:[10, 33], Operations: ['65-40=25', '8+25=33'] Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,33 unequal: No Solution Exploring Operation: 10*33=330, Resulting Numbers: [330] 330,33 unequal: No Solution Exploring Operation: 10+33=43, Resulting Numbers: [43] 43,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 33:[8, 35], Operations: ['65-40=25', '10+25=35'] Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 8+35=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 8*35=280, Resulting Numbers: [280] 280,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 33:[8, 15], Operations: ['65-40=25', '25-10=15'] Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,33 unequal: No Solution Exploring Operation: 8*15=120, Resulting Numbers: [120] 120,33 unequal: No Solution Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 33:[10, 17], Operations: ['65-40=25', '25-8=17'] Exploring Operation: 10+17=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,33 unequal: No Solution Exploring Operation: 10*17=170, Resulting Numbers: [170] 170,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[40, 10, 57], Operations: ['65-8=57'] Exploring Operation: 57-10=47, Resulting Numbers: [40, 47] Generated Node #0,0,0: 33:[40, 47] Operation: 57-10=47 Exploring Operation: 40-10=30, Resulting Numbers: [57, 30] Generated Node #0,0,1: 33:[57, 30] Operation: 40-10=30 Exploring Operation: 57-40=17, Resulting Numbers: [10, 17] Generated Node #0,0,2: 33:[10, 17] Operation: 57-40=17 Exploring Operation: 40/10=4, Resulting Numbers: [57, 4] Generated Node #0,0,3: 33:[57, 4] Operation: 40/10=4 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 33:[10, 17], Operations: ['65-8=57', '57-40=17'] Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,33 unequal: No Solution Exploring Operation: 10*17=170, Resulting Numbers: [170] 170,33 unequal: No Solution Exploring Operation: 10+17=27, Resulting Numbers: [27] 27,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[40, 47], Operations: ['65-8=57', '57-10=47'] Exploring Operation: 40*47=1880, Resulting Numbers: [1880] 1880,33 unequal: No Solution Exploring Operation: 40+47=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 47-40=7, Resulting Numbers: [7] 7,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 33:[57, 4], Operations: ['65-8=57', '40/10=4'] Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,33 unequal: No Solution Exploring Operation: 57+4=61, Resulting Numbers: [61] 61,33 unequal: No Solution Exploring Operation: 57*4=228, Resulting Numbers: [228] 228,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 33:[57, 30], Operations: ['65-8=57', '40-10=30'] Exploring Operation: 57+30=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 57*30=1710, Resulting Numbers: [1710] 1710,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[8, 40, 55], Operations: ['65-10=55'] Exploring Operation: 40-8=32, Resulting Numbers: [55, 32] Generated Node #0,2,0: 33:[55, 32] Operation: 40-8=32 Exploring Operation: 55-40=15, Resulting Numbers: [8, 15] Generated Node #0,2,1: 33:[8, 15] Operation: 55-40=15 Exploring Operation: 55-8=47, Resulting Numbers: [40, 47] Generated Node #0,2,2: 33:[40, 47] Operation: 55-8=47 Exploring Operation: 40/8=5, Resulting Numbers: [55, 5] Generated Node #0,2,3: 33:[55, 5] Operation: 40/8=5 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 33:[8, 15], Operations: ['65-10=55', '55-40=15'] Exploring Operation: 8*15=120, Resulting Numbers: [120] 120,33 unequal: No Solution Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,33 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 33:[40, 47], Operations: ['65-10=55', '55-8=47'] Exploring Operation: 40*47=1880, Resulting Numbers: [1880] 1880,33 unequal: No Solution Exploring Operation: 40+47=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 47-40=7, Resulting Numbers: [7] 7,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 33:[55, 32], Operations: ['65-10=55', '40-8=32'] Exploring Operation: 55*32=1760, Resulting Numbers: [1760] 1760,33 unequal: No Solution Exploring Operation: 55+32=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 55-32=23, Resulting Numbers: [23] 23,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 33:[55, 5], Operations: ['65-10=55', '40/8=5'] Exploring Operation: 55*5=275, Resulting Numbers: [275] 275,33 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,33 unequal: No Solution Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,33 unequal: No Solution Exploring Operation: 55+5=60, Resulting Numbers: [60] 60,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 33:[65, 10, 32], Operations: ['40-8=32'] Exploring Operation: 65-10=55, Resulting Numbers: [32, 55] Generated Node #0,3,0: 33:[32, 55] Operation: 65-10=55 Exploring Operation: 65+10=75, Resulting Numbers: [32, 75] Generated Node #0,3,1: 33:[32, 75] Operation: 65+10=75 Exploring Operation: 65-32=33, Resulting Numbers: [10, 33] Generated Node #0,3,2: 33:[10, 33] Operation: 65-32=33 Exploring Operation: 10+32=42, Resulting Numbers: [65, 42] Generated Node #0,3,3: 33:[65, 42] Operation: 10+32=42 Moving to Node #0,3,2 Current State: 33:[10, 33], Operations: ['40-8=32', '65-32=33'] Exploring Operation: 10*33=330, Resulting Numbers: [330] 330,33 unequal: No Solution Exploring Operation: 10+33=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,33 unequal: No Solution Moving to Node #0,3,0 Current State: 33:[32, 55], Operations: ['40-8=32', '65-10=55'] Exploring Operation: 55-32=23, Resulting Numbers: [23] 23,33 unequal: No Solution Exploring Operation: 32+55=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 32*55=1760, Resulting Numbers: [1760] 1760,33 unequal: No Solution Moving to Node #0,3,3 Current State: 33:[65, 42], Operations: ['40-8=32', '10+32=42'] Exploring Operation: 65*42=2730, Resulting Numbers: [2730] 2730,33 unequal: No Solution Exploring Operation: 65-42=23, Resulting Numbers: [23] 23,33 unequal: No Solution Exploring Operation: 65+42=107, Resulting Numbers: [107] 107,33 unequal: No Solution Moving to Node #0,3,1 Current State: 33:[32, 75], Operations: ['40-8=32', '65+10=75'] Exploring Operation: 32+75=107, Resulting Numbers: [107] 107,33 unequal: No Solution Exploring Operation: 75-32=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 32*75=2400, Resulting Numbers: [2400] 2400,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 14, 42, 44, 27 ]
35
[ "42/14=3", "27/3=9", "44-9=35" ]
Current State: 35:[14, 42, 44, 27], Operations: [] Exploring Operation: 42/14=3, Resulting Numbers: [44, 27, 3] Generated Node #2: [44, 27, 3] from Operation: 42/14=3 Current State: 35:[44, 27, 3], Operations: ['42/14=3'] Exploring Operation: 27/3=9, Resulting Numbers: [44, 9] Generated Node #3: [44, 9] from Operation: 27/3=9 Current State: 35:[44, 9], Operations: ['42/14=3', '27/3=9'] Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[14, 42, 44, 27], Operations: [] Exploring Operation: 44-42=2, Resulting Numbers: [14, 27, 2] Generated Node #0,0: 35:[14, 27, 2] Operation: 44-42=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[14, 27, 2], Operations: ['44-42=2'] Exploring Operation: 14/2=7, Resulting Numbers: [27, 7] Generated Node #0,0,0: 35:[27, 7] Operation: 14/2=7 Moving to Node #0,0,0 Current State: 35:[27, 7], Operations: ['44-42=2', '14/2=7'] Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,35 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
[ 31, 22, 76, 76 ]
52
[ "31+22=53", "76/76=1", "53-1=52" ]
Current State: 52:[31, 22, 76, 76], Operations: [] Exploring Operation: 31+22=53, Resulting Numbers: [76, 76, 53] Generated Node #2: [76, 76, 53] from Operation: 31+22=53 Current State: 52:[76, 76, 53], Operations: ['31+22=53'] Exploring Operation: 76/76=1, Resulting Numbers: [53, 1] Generated Node #3: [53, 1] from Operation: 76/76=1 Current State: 52:[53, 1], Operations: ['31+22=53', '76/76=1'] Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[31, 22, 76, 76], Operations: [] Exploring Operation: 76/76=1, Resulting Numbers: [31, 22, 1] Generated Node #0,0: 52:[31, 22, 1] Operation: 76/76=1 Exploring Operation: 76-76=0, Resulting Numbers: [31, 22, 0] Generated Node #0,1: 52:[31, 22, 0] Operation: 76-76=0 Exploring Operation: 76-31=45, Resulting Numbers: [22, 76, 45] Generated Node #0,2: 52:[22, 76, 45] Operation: 76-31=45 Exploring Operation: 76-22=54, Resulting Numbers: [31, 76, 54] Generated Node #0,3: 52:[31, 76, 54] Operation: 76-22=54 Exploring Operation: 76-22=54, Resulting Numbers: [31, 76, 54] Generated Node #0,4: 52:[31, 76, 54] Operation: 76-22=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[31, 22, 1], Operations: ['76/76=1'] Exploring Operation: 31*1=31, Resulting Numbers: [22, 31] Generated Node #0,0,0: 52:[22, 31] Operation: 31*1=31 Exploring Operation: 31-22=9, Resulting Numbers: [1, 9] Generated Node #0,0,1: 52:[1, 9] Operation: 31-22=9 Exploring Operation: 22+1=23, Resulting Numbers: [31, 23] Generated Node #0,0,2: 52:[31, 23] Operation: 22+1=23 Exploring Operation: 31-1=30, Resulting Numbers: [22, 30] Generated Node #0,0,3: 52:[22, 30] Operation: 31-1=30 Exploring Operation: 31+22=53, Resulting Numbers: [1, 53] Generated Node #0,0,4: 52:[1, 53] Operation: 31+22=53 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 52:[1, 53], Operations: ['76/76=1', '31+22=53'] Exploring Operation: 1+53=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 1*53=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[31, 22, 76, 76], Operations: [] Exploring Operation: 76/76=1, Resulting Numbers: [31, 22, 1] Generated Node #0,0: 52:[31, 22, 1] Operation: 76/76=1 Moving to Node #0,0 Current State: 52:[31, 22, 1], Operations: ['76/76=1'] Exploring Operation: 31+22=53, Resulting Numbers: [1, 53] Generated Node #0,0,4: 52:[1, 53] Operation: 31+22=53 Moving to Node #0,0,4 Current State: 52:[1, 53], Operations: ['76/76=1', '31+22=53'] Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 63, 64, 61, 7 ]
42
[ "64-61=3", "7*3=21", "63-21=42" ]
Current State: 42:[63, 64, 61, 7], Operations: [] Exploring Operation: 64-61=3, Resulting Numbers: [63, 7, 3] Generated Node #2: [63, 7, 3] from Operation: 64-61=3 Current State: 42:[63, 7, 3], Operations: ['64-61=3'] Exploring Operation: 7*3=21, Resulting Numbers: [63, 21] Generated Node #3: [63, 21] from Operation: 7*3=21 Current State: 42:[63, 21], Operations: ['64-61=3', '7*3=21'] Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[63, 64, 61, 7], Operations: [] Exploring Operation: 63-7=56, Resulting Numbers: [64, 61, 56] Generated Node #0,0: 42:[64, 61, 56] Operation: 63-7=56 Exploring Operation: 63-61=2, Resulting Numbers: [64, 7, 2] Generated Node #0,1: 42:[64, 7, 2] Operation: 63-61=2 Exploring Operation: 63/7=9, Resulting Numbers: [64, 61, 9] Generated Node #0,2: 42:[64, 61, 9] Operation: 63/7=9 Exploring Operation: 64-61=3, Resulting Numbers: [63, 7, 3] Generated Node #0,3: 42:[63, 7, 3] Operation: 64-61=3 Exploring Operation: 64-63=1, Resulting Numbers: [61, 7, 1] Generated Node #0,4: 42:[61, 7, 1] Operation: 64-63=1 Start Sub Search at level 1: Moving to Node #0,4 Current State: 42:[61, 7, 1], Operations: ['64-63=1'] Exploring Operation: 61-7=54, Resulting Numbers: [1, 54] Generated Node #0,4,0: 42:[1, 54] Operation: 61-7=54 Exploring Operation: 7*1=7, Resulting Numbers: [61, 7] Generated Node #0,4,1: 42:[61, 7] Operation: 7*1=7 Exploring Operation: 61/1=61, Resulting Numbers: [7, 61] Generated Node #0,4,2: 42:[7, 61] Operation: 61/1=61 Exploring Operation: 61*1=61, Resulting Numbers: [7, 61] Generated Node #0,4,3: 42:[7, 61] Operation: 61*1=61 Exploring Operation: 61-1=60, Resulting Numbers: [7, 60] Generated Node #0,4,4: 42:[7, 60] Operation: 61-1=60 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 42:[1, 54], Operations: ['64-63=1', '61-7=54'] Exploring Operation: 54/1=54, Resulting Numbers: [54] 54,42 unequal: No Solution Exploring Operation: 1+54=55, Resulting Numbers: [55] 55,42 unequal: No Solution Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,42 unequal: No Solution Exploring Operation: 1*54=54, Resulting Numbers: [54] 54,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 42:[7, 60], Operations: ['64-63=1', '61-1=60'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,42 unequal: No Solution Exploring Operation: 7*60=420, Resulting Numbers: [420] 420,42 unequal: No Solution Exploring Operation: 7+60=67, Resulting Numbers: [67] 67,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 42:[61, 7], Operations: ['64-63=1', '7*1=7'] Exploring Operation: 61+7=68, Resulting Numbers: [68] 68,42 unequal: No Solution Exploring Operation: 61*7=427, Resulting Numbers: [427] 427,42 unequal: No Solution Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 42:[7, 61], Operations: ['64-63=1', '61/1=61'] Exploring Operation: 7*61=427, Resulting Numbers: [427] 427,42 unequal: No Solution Exploring Operation: 7+61=68, Resulting Numbers: [68] 68,42 unequal: No Solution Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 42:[7, 61], Operations: ['64-63=1', '61*1=61'] Exploring Operation: 7+61=68, Resulting Numbers: [68] 68,42 unequal: No Solution Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,42 unequal: No Solution Exploring Operation: 7*61=427, Resulting Numbers: [427] 427,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 42:[63, 7, 3], Operations: ['64-61=3'] Exploring Operation: 63-3=60, Resulting Numbers: [7, 60] Generated Node #0,3,0: 42:[7, 60] Operation: 63-3=60 Exploring Operation: 63/3=21, Resulting Numbers: [7, 21] Generated Node #0,3,1: 42:[7, 21] Operation: 63/3=21 Exploring Operation: 7*3=21, Resulting Numbers: [63, 21] Generated Node #0,3,2: 42:[63, 21] Operation: 7*3=21 Exploring Operation: 63/7=9, Resulting Numbers: [3, 9] Generated Node #0,3,3: 42:[3, 9] Operation: 63/7=9 Exploring Operation: 63-7=56, Resulting Numbers: [3, 56] Generated Node #0,3,4: 42:[3, 56] Operation: 63-7=56 Moving to Node #0,3,1 Current State: 42:[7, 21], Operations: ['64-61=3', '63/3=21'] Exploring Operation: 7*21=147, Resulting Numbers: [147] 147,42 unequal: No Solution Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,42 unequal: No Solution Exploring Operation: 7+21=28, Resulting Numbers: [28] 28,42 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,42 unequal: No Solution Moving to Node #0,3,3 Current State: 42:[3, 9], Operations: ['64-61=3', '63/7=9'] Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,42 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,42 unequal: No Solution Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,42 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,42 unequal: No Solution Moving to Node #0,3,4 Current State: 42:[3, 56], Operations: ['64-61=3', '63-7=56'] Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,42 unequal: No Solution Exploring Operation: 3*56=168, Resulting Numbers: [168] 168,42 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,42 unequal: No Solution Moving to Node #0,3,0 Current State: 42:[7, 60], Operations: ['64-61=3', '63-3=60'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,42 unequal: No Solution Exploring Operation: 7*60=420, Resulting Numbers: [420] 420,42 unequal: No Solution Exploring Operation: 7+60=67, Resulting Numbers: [67] 67,42 unequal: No Solution Moving to Node #0,3,2 Current State: 42:[63, 21], Operations: ['64-61=3', '7*3=21'] Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[63, 64, 61, 7], Operations: [] Exploring Operation: 64-61=3, Resulting Numbers: [63, 7, 3] Generated Node #0,3: 42:[63, 7, 3] Operation: 64-61=3 Moving to Node #0,3 Current State: 42:[63, 7, 3], Operations: ['64-61=3'] Exploring Operation: 7*3=21, Resulting Numbers: [63, 21] Generated Node #0,3,2: 42:[63, 21] Operation: 7*3=21 Moving to Node #0,3,2 Current State: 42:[63, 21], Operations: ['64-61=3', '7*3=21'] Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.956597
hs_5
sum_heuristic
[ 36, 79, 21, 12 ]
76
[ "79-36=43", "21+12=33", "43+33=76" ]
Current State: 76:[36, 79, 21, 12], Operations: [] Exploring Operation: 79-36=43, Resulting Numbers: [21, 12, 43] Generated Node #2: [21, 12, 43] from Operation: 79-36=43 Current State: 76:[21, 12, 43], Operations: ['79-36=43'] Exploring Operation: 21+12=33, Resulting Numbers: [43, 33] Generated Node #3: [43, 33] from Operation: 21+12=33 Current State: 76:[43, 33], Operations: ['79-36=43', '21+12=33'] Exploring Operation: 43+33=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[36, 79, 21, 12], Operations: [] Exploring Operation: 36-12=24, Resulting Numbers: [79, 21, 24] Generated Node #0,0: 76:[79, 21, 24] Operation: 36-12=24 Exploring Operation: 36/12=3, Resulting Numbers: [79, 21, 3] Generated Node #0,1: 76:[79, 21, 3] Operation: 36/12=3 Moving to Node #0,1 Current State: 76:[79, 21, 3], Operations: ['36/12=3'] Exploring Operation: 79-3=76, Resulting Numbers: [21, 76] Generated Node #0,1,0: 76:[21, 76] Operation: 79-3=76 Exploring Operation: 21-3=18, Resulting Numbers: [79, 18] Generated Node #0,1,1: 76:[79, 18] Operation: 21-3=18 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 76:[21, 76], Operations: ['36/12=3', '79-3=76'] Exploring Operation: 21+76=97, Resulting Numbers: [97] 97,76 unequal: No Solution Exploring Operation: 76-21=55, Resulting Numbers: [55] 55,76 unequal: No Solution No 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: 76:[79, 18], Operations: ['36/12=3', '21-3=18'] Exploring Operation: 79-18=61, Resulting Numbers: [61] 61,76 unequal: No Solution Exploring Operation: 79+18=97, Resulting Numbers: [97] 97,76 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: 76:[79, 21, 24], Operations: ['36-12=24'] Exploring Operation: 24-21=3, Resulting Numbers: [79, 3] Generated Node #0,0,0: 76:[79, 3] Operation: 24-21=3 Exploring Operation: 21+24=45, Resulting Numbers: [79, 45] Generated Node #0,0,1: 76:[79, 45] Operation: 21+24=45 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[79, 3], Operations: ['36-12=24', '24-21=3'] Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,76 unequal: No Solution Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[36, 79, 21, 12], Operations: [] Exploring Operation: 36-12=24, Resulting Numbers: [79, 21, 24] Generated Node #0,0: 76:[79, 21, 24] Operation: 36-12=24 Moving to Node #0,0 Current State: 76:[79, 21, 24], Operations: ['36-12=24'] Exploring Operation: 24-21=3, Resulting Numbers: [79, 3] Generated Node #0,0,0: 76:[79, 3] Operation: 24-21=3 Moving to Node #0,0,0 Current State: 76:[79, 3], Operations: ['36-12=24', '24-21=3'] Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 76, 43, 16, 64 ]
39
[ "76+43=119", "16+64=80", "119-80=39" ]
Current State: 39:[76, 43, 16, 64], Operations: [] Exploring Operation: 76+43=119, Resulting Numbers: [16, 64, 119] Generated Node #2: [16, 64, 119] from Operation: 76+43=119 Current State: 39:[16, 64, 119], Operations: ['76+43=119'] Exploring Operation: 16+64=80, Resulting Numbers: [119, 80] Generated Node #3: [119, 80] from Operation: 16+64=80 Current State: 39:[119, 80], Operations: ['76+43=119', '16+64=80'] Exploring Operation: 119-80=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[76, 43, 16, 64], Operations: [] Exploring Operation: 76-16=60, Resulting Numbers: [43, 64, 60] Generated Node #0,0: 39:[43, 64, 60] Operation: 76-16=60 Exploring Operation: 64-43=21, Resulting Numbers: [76, 16, 21] Generated Node #0,1: 39:[76, 16, 21] Operation: 64-43=21 Exploring Operation: 76-43=33, Resulting Numbers: [16, 64, 33] Generated Node #0,2: 39:[16, 64, 33] Operation: 76-43=33 Exploring Operation: 76-64=12, Resulting Numbers: [43, 16, 12] Generated Node #0,3: 39:[43, 16, 12] Operation: 76-64=12 Exploring Operation: 64/16=4, Resulting Numbers: [76, 43, 4] Generated Node #0,4: 39:[76, 43, 4] Operation: 64/16=4 Start Sub Search at level 1: Moving to Node #0,3 Current State: 39:[43, 16, 12], Operations: ['76-64=12'] Exploring Operation: 43+12=55, Resulting Numbers: [16, 55] Generated Node #0,3,0: 39:[16, 55] Operation: 43+12=55 Exploring Operation: 43-12=31, Resulting Numbers: [16, 31] Generated Node #0,3,1: 39:[16, 31] Operation: 43-12=31 Exploring Operation: 43-16=27, Resulting Numbers: [12, 27] Generated Node #0,3,2: 39:[12, 27] Operation: 43-16=27 Exploring Operation: 16-12=4, Resulting Numbers: [43, 4] Generated Node #0,3,3: 39:[43, 4] Operation: 16-12=4 Exploring Operation: 16+12=28, Resulting Numbers: [43, 28] Generated Node #0,3,4: 39:[43, 28] Operation: 16+12=28 Moving to Node #0,3,3 Current State: 39:[43, 4], Operations: ['76-64=12', '16-12=4'] Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[76, 43, 16, 64], Operations: [] Exploring Operation: 76-64=12, Resulting Numbers: [43, 16, 12] Generated Node #0,3: 39:[43, 16, 12] Operation: 76-64=12 Moving to Node #0,3 Current State: 39:[43, 16, 12], Operations: ['76-64=12'] Exploring Operation: 16-12=4, Resulting Numbers: [43, 4] Generated Node #0,3,3: 39:[43, 4] Operation: 16-12=4 Moving to Node #0,3,3 Current State: 39:[43, 4], Operations: ['76-64=12', '16-12=4'] Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 6, 51, 8, 52 ]
14
[ "6+8=14", "52-51=1", "14*1=14" ]
Current State: 14:[6, 51, 8, 52], Operations: [] Exploring Operation: 6+8=14, Resulting Numbers: [51, 52, 14] Generated Node #2: [51, 52, 14] from Operation: 6+8=14 Current State: 14:[51, 52, 14], Operations: ['6+8=14'] Exploring Operation: 52-51=1, Resulting Numbers: [14, 1] Generated Node #3: [14, 1] from Operation: 52-51=1 Current State: 14:[14, 1], Operations: ['6+8=14', '52-51=1'] Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[6, 51, 8, 52], Operations: [] Exploring Operation: 52-8=44, Resulting Numbers: [6, 51, 44] Generated Node #0,0: 14:[6, 51, 44] Operation: 52-8=44 Exploring Operation: 52-51=1, Resulting Numbers: [6, 8, 1] Generated Node #0,1: 14:[6, 8, 1] Operation: 52-51=1 Exploring Operation: 51-6=45, Resulting Numbers: [8, 52, 45] Generated Node #0,2: 14:[8, 52, 45] Operation: 51-6=45 Exploring Operation: 51-8=43, Resulting Numbers: [6, 52, 43] Generated Node #0,3: 14:[6, 52, 43] Operation: 51-8=43 Moving to Node #0,1 Current State: 14:[6, 8, 1], Operations: ['52-51=1'] Exploring Operation: 6+1=7, Resulting Numbers: [8, 7] Generated Node #0,1,0: 14:[8, 7] Operation: 6+1=7 Exploring Operation: 8-1=7, Resulting Numbers: [6, 7] Generated Node #0,1,1: 14:[6, 7] Operation: 8-1=7 Exploring Operation: 8-6=2, Resulting Numbers: [1, 2] Generated Node #0,1,2: 14:[1, 2] Operation: 8-6=2 Exploring Operation: 6+8=14, Resulting Numbers: [1, 14] Generated Node #0,1,3: 14:[1, 14] Operation: 6+8=14 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 14:[8, 7], Operations: ['52-51=1', '6+1=7'] Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,14 unequal: No Solution Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,14 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,14 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 #0,1,1 Current State: 14:[6, 7], Operations: ['52-51=1', '8-1=7'] Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,14 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,14 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:[1, 2], Operations: ['52-51=1', '8-6=2'] Exploring Operation: 1*2=2, Resulting Numbers: [2] 2,14 unequal: No Solution Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,14 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,14 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:[1, 14], Operations: ['52-51=1', '6+8=14'] Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[6, 51, 8, 52], Operations: [] Exploring Operation: 52-51=1, Resulting Numbers: [6, 8, 1] Generated Node #0,1: 14:[6, 8, 1] Operation: 52-51=1 Moving to Node #0,1 Current State: 14:[6, 8, 1], Operations: ['52-51=1'] Exploring Operation: 6+8=14, Resulting Numbers: [1, 14] Generated Node #0,1,3: 14:[1, 14] Operation: 6+8=14 Moving to Node #0,1,3 Current State: 14:[1, 14], Operations: ['52-51=1', '6+8=14'] Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
sum_heuristic
[ 39, 58, 9, 40 ]
49
[ "40-39=1", "58-9=49", "1*49=49" ]
Current State: 49:[39, 58, 9, 40], Operations: [] Exploring Operation: 40-39=1, Resulting Numbers: [58, 9, 1] Generated Node #2: [58, 9, 1] from Operation: 40-39=1 Current State: 49:[58, 9, 1], Operations: ['40-39=1'] Exploring Operation: 58-9=49, Resulting Numbers: [1, 49] Generated Node #3: [1, 49] from Operation: 58-9=49 Current State: 49:[1, 49], Operations: ['40-39=1', '58-9=49'] Exploring Operation: 1*49=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[39, 58, 9, 40], Operations: [] Exploring Operation: 39+9=48, Resulting Numbers: [58, 40, 48] Generated Node #0,0: 49:[58, 40, 48] Operation: 39+9=48 Exploring Operation: 58-9=49, Resulting Numbers: [39, 40, 49] Generated Node #0,1: 49:[39, 40, 49] Operation: 58-9=49 Exploring Operation: 9+40=49, Resulting Numbers: [39, 58, 49] Generated Node #0,2: 49:[39, 58, 49] Operation: 9+40=49 Exploring Operation: 40-39=1, Resulting Numbers: [58, 9, 1] Generated Node #0,3: 49:[58, 9, 1] Operation: 40-39=1 Moving to Node #0,3 Current State: 49:[58, 9, 1], Operations: ['40-39=1'] Exploring Operation: 58-1=57, Resulting Numbers: [9, 57] Generated Node #0,3,0: 49:[9, 57] Operation: 58-1=57 Exploring Operation: 58*1=58, Resulting Numbers: [9, 58] Generated Node #0,3,1: 49:[9, 58] Operation: 58*1=58 Exploring Operation: 58-9=49, Resulting Numbers: [1, 49] Generated Node #0,3,2: 49:[1, 49] Operation: 58-9=49 Exploring Operation: 9-1=8, Resulting Numbers: [58, 8] Generated Node #0,3,3: 49:[58, 8] Operation: 9-1=8 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 49:[1, 49], Operations: ['40-39=1', '58-9=49'] Exploring Operation: 1+49=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 1*49=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[39, 58, 9, 40], Operations: [] Exploring Operation: 40-39=1, Resulting Numbers: [58, 9, 1] Generated Node #0,3: 49:[58, 9, 1] Operation: 40-39=1 Moving to Node #0,3 Current State: 49:[58, 9, 1], Operations: ['40-39=1'] Exploring Operation: 58-9=49, Resulting Numbers: [1, 49] Generated Node #0,3,2: 49:[1, 49] Operation: 58-9=49 Moving to Node #0,3,2 Current State: 49:[1, 49], Operations: ['40-39=1', '58-9=49'] Exploring Operation: 1*49=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 47, 90, 86, 25 ]
23
[ "90-47=43", "86/43=2", "25-2=23" ]
Current State: 23:[47, 90, 86, 25], Operations: [] Exploring Operation: 90-47=43, Resulting Numbers: [86, 25, 43] Generated Node #2: [86, 25, 43] from Operation: 90-47=43 Current State: 23:[86, 25, 43], Operations: ['90-47=43'] Exploring Operation: 86/43=2, Resulting Numbers: [25, 2] Generated Node #3: [25, 2] from Operation: 86/43=2 Current State: 23:[25, 2], Operations: ['90-47=43', '86/43=2'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[47, 90, 86, 25], Operations: [] Exploring Operation: 90-86=4, Resulting Numbers: [47, 25, 4] Generated Node #0,0: 23:[47, 25, 4] Operation: 90-86=4 Exploring Operation: 90-47=43, Resulting Numbers: [86, 25, 43] Generated Node #0,1: 23:[86, 25, 43] Operation: 90-47=43 Exploring Operation: 86-47=39, Resulting Numbers: [90, 25, 39] Generated Node #0,2: 23:[90, 25, 39] Operation: 86-47=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[47, 25, 4], Operations: ['90-86=4'] Exploring Operation: 47-25=22, Resulting Numbers: [4, 22] Generated Node #0,0,0: 23:[4, 22] Operation: 47-25=22 Exploring Operation: 47-4=43, Resulting Numbers: [25, 43] Generated Node #0,0,1: 23:[25, 43] Operation: 47-4=43 Exploring Operation: 25-4=21, Resulting Numbers: [47, 21] Generated Node #0,0,2: 23:[47, 21] Operation: 25-4=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[4, 22], Operations: ['90-86=4', '47-25=22'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,23 unequal: No Solution Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[25, 43], Operations: ['90-86=4', '47-4=43'] Exploring Operation: 25*43=1075, Resulting Numbers: [1075] 1075,23 unequal: No Solution Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 25+43=68, Resulting Numbers: [68] 68,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 23:[47, 21], Operations: ['90-86=4', '25-4=21'] Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,23 unequal: No Solution Exploring Operation: 47*21=987, Resulting Numbers: [987] 987,23 unequal: No Solution Exploring Operation: 47+21=68, Resulting Numbers: [68] 68,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[86, 25, 43], Operations: ['90-47=43'] Exploring Operation: 86-25=61, Resulting Numbers: [43, 61] Generated Node #0,1,0: 23:[43, 61] Operation: 86-25=61 Exploring Operation: 86-43=43, Resulting Numbers: [25, 43] Generated Node #0,1,1: 23:[25, 43] Operation: 86-43=43 Exploring Operation: 86/43=2, Resulting Numbers: [25, 2] Generated Node #0,1,2: 23:[25, 2] Operation: 86/43=2 Moving to Node #0,1,1 Current State: 23:[25, 43], Operations: ['90-47=43', '86-43=43'] Exploring Operation: 43-25=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 25*43=1075, Resulting Numbers: [1075] 1075,23 unequal: No Solution Exploring Operation: 25+43=68, Resulting Numbers: [68] 68,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[25, 2], Operations: ['90-47=43', '86/43=2'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[47, 90, 86, 25], Operations: [] Exploring Operation: 90-47=43, Resulting Numbers: [86, 25, 43] Generated Node #0,1: 23:[86, 25, 43] Operation: 90-47=43 Moving to Node #0,1 Current State: 23:[86, 25, 43], Operations: ['90-47=43'] Exploring Operation: 86/43=2, Resulting Numbers: [25, 2] Generated Node #0,1,2: 23:[25, 2] Operation: 86/43=2 Moving to Node #0,1,2 Current State: 23:[25, 2], Operations: ['90-47=43', '86/43=2'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 95, 81, 8, 67 ]
89
[ "95+81=176", "176/8=22", "67+22=89" ]
Current State: 89:[95, 81, 8, 67], Operations: [] Exploring Operation: 95+81=176, Resulting Numbers: [8, 67, 176] Generated Node #2: [8, 67, 176] from Operation: 95+81=176 Current State: 89:[8, 67, 176], Operations: ['95+81=176'] Exploring Operation: 176/8=22, Resulting Numbers: [67, 22] Generated Node #3: [67, 22] from Operation: 176/8=22 Current State: 89:[67, 22], Operations: ['95+81=176', '176/8=22'] Exploring Operation: 67+22=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[95, 81, 8, 67], Operations: [] Exploring Operation: 8+67=75, Resulting Numbers: [95, 81, 75] Generated Node #0,0: 89:[95, 81, 75] Operation: 8+67=75 Exploring Operation: 95-8=87, Resulting Numbers: [81, 67, 87] Generated Node #0,1: 89:[81, 67, 87] Operation: 95-8=87 Exploring Operation: 81+8=89, Resulting Numbers: [95, 67, 89] Generated Node #0,2: 89:[95, 67, 89] Operation: 81+8=89 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[95, 81, 75], Operations: ['8+67=75'] Exploring Operation: 95-81=14, Resulting Numbers: [75, 14] Generated Node #0,0,0: 89:[75, 14] Operation: 95-81=14 Exploring Operation: 81+75=156, Resulting Numbers: [95, 156] Generated Node #0,0,1: 89:[95, 156] Operation: 81+75=156 Exploring Operation: 95-75=20, Resulting Numbers: [81, 20] Generated Node #0,0,2: 89:[81, 20] Operation: 95-75=20 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 89:[95, 156], Operations: ['8+67=75', '81+75=156'] Exploring Operation: 95+156=251, Resulting Numbers: [251] 251,89 unequal: No Solution Exploring Operation: 156-95=61, Resulting Numbers: [61] 61,89 unequal: No Solution Exploring Operation: 95*156=14820, Resulting Numbers: [14820] 14820,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 89:[81, 20], Operations: ['8+67=75', '95-75=20'] Exploring Operation: 81*20=1620, Resulting Numbers: [1620] 1620,89 unequal: No Solution Exploring Operation: 81-20=61, Resulting Numbers: [61] 61,89 unequal: No Solution Exploring Operation: 81+20=101, Resulting Numbers: [101] 101,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[75, 14], Operations: ['8+67=75', '95-81=14'] Exploring Operation: 75+14=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[95, 81, 8, 67], Operations: [] Exploring Operation: 8+67=75, Resulting Numbers: [95, 81, 75] Generated Node #0,0: 89:[95, 81, 75] Operation: 8+67=75 Moving to Node #0,0 Current State: 89:[95, 81, 75], Operations: ['8+67=75'] Exploring Operation: 95-81=14, Resulting Numbers: [75, 14] Generated Node #0,0,0: 89:[75, 14] Operation: 95-81=14 Moving to Node #0,0,0 Current State: 89:[75, 14], Operations: ['8+67=75', '95-81=14'] Exploring Operation: 75+14=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 2, 42, 74, 48 ]
47
[ "42/2=21", "74-48=26", "21+26=47" ]
Current State: 47:[2, 42, 74, 48], Operations: [] Exploring Operation: 42/2=21, Resulting Numbers: [74, 48, 21] Generated Node #2: [74, 48, 21] from Operation: 42/2=21 Current State: 47:[74, 48, 21], Operations: ['42/2=21'] Exploring Operation: 74-48=26, Resulting Numbers: [21, 26] Generated Node #3: [21, 26] from Operation: 74-48=26 Current State: 47:[21, 26], Operations: ['42/2=21', '74-48=26'] Exploring Operation: 21+26=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[2, 42, 74, 48], Operations: [] Exploring Operation: 74/2=37, Resulting Numbers: [42, 48, 37] Generated Node #0,0: 47:[42, 48, 37] Operation: 74/2=37 Exploring Operation: 2+42=44, Resulting Numbers: [74, 48, 44] Generated Node #0,1: 47:[74, 48, 44] Operation: 2+42=44 Exploring Operation: 74-2=72, Resulting Numbers: [42, 48, 72] Generated Node #0,2: 47:[42, 48, 72] Operation: 74-2=72 Exploring Operation: 42-2=40, Resulting Numbers: [74, 48, 40] Generated Node #0,3: 47:[74, 48, 40] Operation: 42-2=40 Exploring Operation: 48-2=46, Resulting Numbers: [42, 74, 46] Generated Node #0,4: 47:[42, 74, 46] Operation: 48-2=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[42, 48, 37], Operations: ['74/2=37'] Exploring Operation: 48-42=6, Resulting Numbers: [37, 6] Generated Node #0,0,0: 47:[37, 6] Operation: 48-42=6 Exploring Operation: 42+37=79, Resulting Numbers: [48, 79] Generated Node #0,0,1: 47:[48, 79] Operation: 42+37=79 Exploring Operation: 48+37=85, Resulting Numbers: [42, 85] Generated Node #0,0,2: 47:[42, 85] Operation: 48+37=85 Exploring Operation: 42-37=5, Resulting Numbers: [48, 5] Generated Node #0,0,3: 47:[48, 5] Operation: 42-37=5 Exploring Operation: 48-37=11, Resulting Numbers: [42, 11] Generated Node #0,0,4: 47:[42, 11] Operation: 48-37=11 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[48, 79], Operations: ['74/2=37', '42+37=79'] Exploring Operation: 48*79=3792, Resulting Numbers: [3792] 3792,47 unequal: No Solution Exploring Operation: 48+79=127, Resulting Numbers: [127] 127,47 unequal: No Solution Exploring Operation: 79-48=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 #0,0,4 Current State: 47:[42, 11], Operations: ['74/2=37', '48-37=11'] Exploring Operation: 42*11=462, Resulting Numbers: [462] 462,47 unequal: No Solution Exploring Operation: 42+11=53, Resulting Numbers: [53] 53,47 unequal: No Solution Exploring Operation: 42-11=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 #0,0,2 Current State: 47:[42, 85], Operations: ['74/2=37', '48+37=85'] Exploring Operation: 85-42=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 42+85=127, Resulting Numbers: [127] 127,47 unequal: No Solution Exploring Operation: 42*85=3570, Resulting Numbers: [3570] 3570,47 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 #0,0,3 Current State: 47:[48, 5], Operations: ['74/2=37', '42-37=5'] Exploring Operation: 48*5=240, Resulting Numbers: [240] 240,47 unequal: No Solution Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,47 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:[37, 6], Operations: ['74/2=37', '48-42=6'] Exploring Operation: 37+6=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 37*6=222, Resulting Numbers: [222] 222,47 unequal: No Solution Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,47 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:[74, 48, 44], Operations: ['2+42=44'] Exploring Operation: 74-44=30, Resulting Numbers: [48, 30] Generated Node #0,1,0: 47:[48, 30] Operation: 74-44=30 Exploring Operation: 74+44=118, Resulting Numbers: [48, 118] Generated Node #0,1,1: 47:[48, 118] Operation: 74+44=118 Exploring Operation: 48-44=4, Resulting Numbers: [74, 4] Generated Node #0,1,2: 47:[74, 4] Operation: 48-44=4 Exploring Operation: 48+44=92, Resulting Numbers: [74, 92] Generated Node #0,1,3: 47:[74, 92] Operation: 48+44=92 Exploring Operation: 74-48=26, Resulting Numbers: [44, 26] Generated Node #0,1,4: 47:[44, 26] Operation: 74-48=26 Moving to Node #0,1,0 Current State: 47:[48, 30], Operations: ['2+42=44', '74-44=30'] Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,47 unequal: No Solution Exploring Operation: 48*30=1440, Resulting Numbers: [1440] 1440,47 unequal: No Solution Exploring Operation: 48+30=78, Resulting Numbers: [78] 78,47 unequal: No Solution Moving to Node #0,1,4 Current State: 47:[44, 26], Operations: ['2+42=44', '74-48=26'] Exploring Operation: 44+26=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 44-26=18, Resulting Numbers: [18] 18,47 unequal: No Solution Exploring Operation: 44*26=1144, Resulting Numbers: [1144] 1144,47 unequal: No Solution Moving to Node #0,1,2 Current State: 47:[74, 4], Operations: ['2+42=44', '48-44=4'] Exploring Operation: 74-4=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 74*4=296, Resulting Numbers: [296] 296,47 unequal: No Solution Exploring Operation: 74+4=78, Resulting Numbers: [78] 78,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[48, 118], Operations: ['2+42=44', '74+44=118'] Exploring Operation: 118-48=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 48+118=166, Resulting Numbers: [166] 166,47 unequal: No Solution Exploring Operation: 48*118=5664, Resulting Numbers: [5664] 5664,47 unequal: No Solution Moving to Node #0,1,3 Current State: 47:[74, 92], Operations: ['2+42=44', '48+44=92'] Exploring Operation: 74*92=6808, Resulting Numbers: [6808] 6808,47 unequal: No Solution Exploring Operation: 74+92=166, Resulting Numbers: [166] 166,47 unequal: No Solution Exploring Operation: 92-74=18, Resulting Numbers: [18] 18,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[42, 48, 72], Operations: ['74-2=72'] Exploring Operation: 42+48=90, Resulting Numbers: [72, 90] Generated Node #0,2,0: 47:[72, 90] Operation: 42+48=90 Exploring Operation: 42+72=114, Resulting Numbers: [48, 114] Generated Node #0,2,1: 47:[48, 114] Operation: 42+72=114 Exploring Operation: 72-48=24, Resulting Numbers: [42, 24] Generated Node #0,2,2: 47:[42, 24] Operation: 72-48=24 Exploring Operation: 72-42=30, Resulting Numbers: [48, 30] Generated Node #0,2,3: 47:[48, 30] Operation: 72-42=30 Exploring Operation: 48-42=6, Resulting Numbers: [72, 6] Generated Node #0,2,4: 47:[72, 6] Operation: 48-42=6 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 47:[48, 30], Operations: ['74-2=72', '72-42=30'] Exploring Operation: 48+30=78, Resulting Numbers: [78] 78,47 unequal: No Solution Exploring Operation: 48*30=1440, Resulting Numbers: [1440] 1440,47 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,47 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:[42, 24], Operations: ['74-2=72', '72-48=24'] Exploring Operation: 42*24=1008, Resulting Numbers: [1008] 1008,47 unequal: No Solution Exploring Operation: 42+24=66, Resulting Numbers: [66] 66,47 unequal: No Solution Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,47 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 #0,2,4 Current State: 47:[72, 6], Operations: ['74-2=72', '48-42=6'] Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,47 unequal: No Solution Exploring Operation: 72+6=78, Resulting Numbers: [78] 78,47 unequal: No Solution Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,47 unequal: No Solution Exploring Operation: 72*6=432, Resulting Numbers: [432] 432,47 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:[72, 90], Operations: ['74-2=72', '42+48=90'] Exploring Operation: 90-72=18, Resulting Numbers: [18] 18,47 unequal: No Solution Exploring Operation: 72*90=6480, Resulting Numbers: [6480] 6480,47 unequal: No Solution Exploring Operation: 72+90=162, Resulting Numbers: [162] 162,47 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 #0,2,1 Current State: 47:[48, 114], Operations: ['74-2=72', '42+72=114'] Exploring Operation: 48*114=5472, Resulting Numbers: [5472] 5472,47 unequal: No Solution Exploring Operation: 114-48=66, Resulting Numbers: [66] 66,47 unequal: No Solution Exploring Operation: 48+114=162, Resulting Numbers: [162] 162,47 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 #0,4 Current State: 47:[42, 74, 46], Operations: ['48-2=46'] Exploring Operation: 74-42=32, Resulting Numbers: [46, 32] Generated Node #0,4,0: 47:[46, 32] Operation: 74-42=32 Exploring Operation: 74-46=28, Resulting Numbers: [42, 28] Generated Node #0,4,1: 47:[42, 28] Operation: 74-46=28 Exploring Operation: 42+46=88, Resulting Numbers: [74, 88] Generated Node #0,4,2: 47:[74, 88] Operation: 42+46=88 Exploring Operation: 42+74=116, Resulting Numbers: [46, 116] Generated Node #0,4,3: 47:[46, 116] Operation: 42+74=116 Exploring Operation: 46-42=4, Resulting Numbers: [74, 4] Generated Node #0,4,4: 47:[74, 4] Operation: 46-42=4 Moving to Node #0,4,0 Current State: 47:[46, 32], Operations: ['48-2=46', '74-42=32'] Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,47 unequal: No Solution Exploring Operation: 46+32=78, Resulting Numbers: [78] 78,47 unequal: No Solution Exploring Operation: 46*32=1472, Resulting Numbers: [1472] 1472,47 unequal: No Solution Moving to Node #0,4,1 Current State: 47:[42, 28], Operations: ['48-2=46', '74-46=28'] Exploring Operation: 42+28=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,47 unequal: No Solution Exploring Operation: 42*28=1176, Resulting Numbers: [1176] 1176,47 unequal: No Solution Moving to Node #0,4,2 Current State: 47:[74, 88], Operations: ['48-2=46', '42+46=88'] Exploring Operation: 74*88=6512, Resulting Numbers: [6512] 6512,47 unequal: No Solution Exploring Operation: 74+88=162, Resulting Numbers: [162] 162,47 unequal: No Solution Exploring Operation: 88-74=14, Resulting Numbers: [14] 14,47 unequal: No Solution Moving to Node #0,4,3 Current State: 47:[46, 116], Operations: ['48-2=46', '42+74=116'] Exploring Operation: 46*116=5336, Resulting Numbers: [5336] 5336,47 unequal: No Solution Exploring Operation: 46+116=162, Resulting Numbers: [162] 162,47 unequal: No Solution Exploring Operation: 116-46=70, Resulting Numbers: [70] 70,47 unequal: No Solution Moving to Node #0,4,4 Current State: 47:[74, 4], Operations: ['48-2=46', '46-42=4'] Exploring Operation: 74*4=296, Resulting Numbers: [296] 296,47 unequal: No Solution Exploring Operation: 74-4=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 74+4=78, Resulting Numbers: [78] 78,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 47:[74, 48, 40], Operations: ['42-2=40'] Exploring Operation: 48-40=8, Resulting Numbers: [74, 8] Generated Node #0,3,0: 47:[74, 8] Operation: 48-40=8 Exploring Operation: 48+40=88, Resulting Numbers: [74, 88] Generated Node #0,3,1: 47:[74, 88] Operation: 48+40=88 Exploring Operation: 74+40=114, Resulting Numbers: [48, 114] Generated Node #0,3,2: 47:[48, 114] Operation: 74+40=114 Exploring Operation: 74-48=26, Resulting Numbers: [40, 26] Generated Node #0,3,3: 47:[40, 26] Operation: 74-48=26 Exploring Operation: 74-40=34, Resulting Numbers: [48, 34] Generated Node #0,3,4: 47:[48, 34] Operation: 74-40=34 Moving to Node #0,3,4 Current State: 47:[48, 34], Operations: ['42-2=40', '74-40=34'] Exploring Operation: 48+34=82, Resulting Numbers: [82] 82,47 unequal: No Solution Exploring Operation: 48*34=1632, Resulting Numbers: [1632] 1632,47 unequal: No Solution Exploring Operation: 48-34=14, Resulting Numbers: [14] 14,47 unequal: No Solution Moving to Node #0,3,3 Current State: 47:[40, 26], Operations: ['42-2=40', '74-48=26'] Exploring Operation: 40*26=1040, Resulting Numbers: [1040] 1040,47 unequal: No Solution Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,47 unequal: No Solution Exploring Operation: 40+26=66, Resulting Numbers: [66] 66,47 unequal: No Solution Moving to Node #0,3,0 Current State: 47:[74, 8], Operations: ['42-2=40', '48-40=8'] Exploring Operation: 74*8=592, Resulting Numbers: [592] 592,47 unequal: No Solution Exploring Operation: 74+8=82, Resulting Numbers: [82] 82,47 unequal: No Solution Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,47 unequal: No Solution Moving to Node #0,3,1 Current State: 47:[74, 88], Operations: ['42-2=40', '48+40=88'] Exploring Operation: 74+88=162, Resulting Numbers: [162] 162,47 unequal: No Solution Exploring Operation: 74*88=6512, Resulting Numbers: [6512] 6512,47 unequal: No Solution Exploring Operation: 88-74=14, Resulting Numbers: [14] 14,47 unequal: No Solution Moving to Node #0,3,2 Current State: 47:[48, 114], Operations: ['42-2=40', '74+40=114'] Exploring Operation: 48+114=162, Resulting Numbers: [162] 162,47 unequal: No Solution Exploring Operation: 48*114=5472, Resulting Numbers: [5472] 5472,47 unequal: No Solution Exploring Operation: 114-48=66, Resulting Numbers: [66] 66,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 12, 19, 15, 8 ]
80
[ "12+8=20", "19-15=4", "20*4=80" ]
Current State: 80:[12, 19, 15, 8], Operations: [] Exploring Operation: 12+8=20, Resulting Numbers: [19, 15, 20] Generated Node #2: [19, 15, 20] from Operation: 12+8=20 Current State: 80:[19, 15, 20], Operations: ['12+8=20'] Exploring Operation: 19-15=4, Resulting Numbers: [20, 4] Generated Node #3: [20, 4] from Operation: 19-15=4 Current State: 80:[20, 4], Operations: ['12+8=20', '19-15=4'] Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[12, 19, 15, 8], Operations: [] Exploring Operation: 12+8=20, Resulting Numbers: [19, 15, 20] Generated Node #0,0: 80:[19, 15, 20] Operation: 12+8=20 Exploring Operation: 19-12=7, Resulting Numbers: [15, 8, 7] Generated Node #0,1: 80:[15, 8, 7] Operation: 19-12=7 Exploring Operation: 15-12=3, Resulting Numbers: [19, 8, 3] Generated Node #0,2: 80:[19, 8, 3] Operation: 15-12=3 Moving to Node #0,0 Current State: 80:[19, 15, 20], Operations: ['12+8=20'] Exploring Operation: 19-15=4, Resulting Numbers: [20, 4] Generated Node #0,0,0: 80:[20, 4] Operation: 19-15=4 Exploring Operation: 20-15=5, Resulting Numbers: [19, 5] Generated Node #0,0,1: 80:[19, 5] Operation: 20-15=5 Exploring Operation: 19+20=39, Resulting Numbers: [15, 39] Generated Node #0,0,2: 80:[15, 39] Operation: 19+20=39 Moving to Node #0,1 Current State: 80:[15, 8, 7], Operations: ['19-12=7'] Exploring Operation: 15+7=22, Resulting Numbers: [8, 22] Generated Node #0,1,0: 80:[8, 22] Operation: 15+7=22 Exploring Operation: 15-7=8, Resulting Numbers: [8, 8] Generated Node #0,1,1: 80:[8, 8] Operation: 15-7=8 Exploring Operation: 15-8=7, Resulting Numbers: [7, 7] Generated Node #0,1,2: 80:[7, 7] Operation: 15-8=7 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 80:[8, 8], Operations: ['19-12=7', '15-7=8'] Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,80 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 80:[8, 22], Operations: ['19-12=7', '15+7=22'] Exploring Operation: 8*22=176, Resulting Numbers: [176] 176,80 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,80 unequal: No Solution Exploring Operation: 8+22=30, Resulting Numbers: [30] 30,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 80:[7, 7], Operations: ['19-12=7', '15-8=7'] Exploring Operation: 7+7=14, Resulting Numbers: [14] 14,80 unequal: No Solution Exploring Operation: 7-7=0, Resulting Numbers: [0] 0,80 unequal: No Solution Exploring Operation: 7/7=1, Resulting Numbers: [1] 1,80 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: 80:[19, 8, 3], Operations: ['15-12=3'] Exploring Operation: 19-3=16, Resulting Numbers: [8, 16] Generated Node #0,2,0: 80:[8, 16] Operation: 19-3=16 Exploring Operation: 19-8=11, Resulting Numbers: [3, 11] Generated Node #0,2,1: 80:[3, 11] Operation: 19-8=11 Exploring Operation: 8-3=5, Resulting Numbers: [19, 5] Generated Node #0,2,2: 80:[19, 5] Operation: 8-3=5 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 80:[8, 16], Operations: ['15-12=3', '19-3=16'] Exploring Operation: 8+16=24, Resulting Numbers: [24] 24,80 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,80 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 80:[19, 5], Operations: ['15-12=3', '8-3=5'] Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,80 unequal: No Solution Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,80 unequal: No Solution Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 80:[3, 11], Operations: ['15-12=3', '19-8=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,80 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,80 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: 80:[20, 4], Operations: ['12+8=20', '19-15=4'] Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,80 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,80 unequal: No Solution Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[12, 19, 15, 8], Operations: [] Exploring Operation: 12+8=20, Resulting Numbers: [19, 15, 20] Generated Node #0,0: 80:[19, 15, 20] Operation: 12+8=20 Moving to Node #0,0 Current State: 80:[19, 15, 20], Operations: ['12+8=20'] Exploring Operation: 19-15=4, Resulting Numbers: [20, 4] Generated Node #0,0,0: 80:[20, 4] Operation: 19-15=4 Moving to Node #0,0,0 Current State: 80:[20, 4], Operations: ['12+8=20', '19-15=4'] Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
0.967882
hs_3
sum_heuristic
[ 49, 5, 2, 89 ]
75
[ "89-49=40", "2*40=80", "80-5=75" ]
Current State: 75:[49, 5, 2, 89], Operations: [] Exploring Operation: 89-49=40, Resulting Numbers: [5, 2, 40] Generated Node #2: [5, 2, 40] from Operation: 89-49=40 Current State: 75:[5, 2, 40], Operations: ['89-49=40'] Exploring Operation: 2*40=80, Resulting Numbers: [5, 80] Generated Node #3: [5, 80] from Operation: 2*40=80 Current State: 75:[5, 80], Operations: ['89-49=40', '2*40=80'] Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[49, 5, 2, 89], Operations: [] Exploring Operation: 49-2=47, Resulting Numbers: [5, 89, 47] Generated Node #0,0: 75:[5, 89, 47] Operation: 49-2=47 Exploring Operation: 49-5=44, Resulting Numbers: [2, 89, 44] Generated Node #0,1: 75:[2, 89, 44] Operation: 49-5=44 Exploring Operation: 49+5=54, Resulting Numbers: [2, 89, 54] Generated Node #0,2: 75:[2, 89, 54] Operation: 49+5=54 Exploring Operation: 89-5=84, Resulting Numbers: [49, 2, 84] Generated Node #0,3: 75:[49, 2, 84] Operation: 89-5=84 Exploring Operation: 89-49=40, Resulting Numbers: [5, 2, 40] Generated Node #0,4: 75:[5, 2, 40] Operation: 89-49=40 Start Sub Search at level 1: Moving to Node #0,4 Current State: 75:[5, 2, 40], Operations: ['89-49=40'] Exploring Operation: 40-2=38, Resulting Numbers: [5, 38] Generated Node #0,4,0: 75:[5, 38] Operation: 40-2=38 Exploring Operation: 40/2=20, Resulting Numbers: [5, 20] Generated Node #0,4,1: 75:[5, 20] Operation: 40/2=20 Exploring Operation: 40/5=8, Resulting Numbers: [2, 8] Generated Node #0,4,2: 75:[2, 8] Operation: 40/5=8 Exploring Operation: 40-5=35, Resulting Numbers: [2, 35] Generated Node #0,4,3: 75:[2, 35] Operation: 40-5=35 Exploring Operation: 2*40=80, Resulting Numbers: [5, 80] Generated Node #0,4,4: 75:[5, 80] Operation: 2*40=80 Moving to Node #0,4,2 Current State: 75:[2, 8], Operations: ['89-49=40', '40/5=8'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,75 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,75 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,75 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,75 unequal: No Solution Moving to Node #0,4,4 Current State: 75:[5, 80], Operations: ['89-49=40', '2*40=80'] Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[49, 5, 2, 89], Operations: [] Exploring Operation: 89-49=40, Resulting Numbers: [5, 2, 40] Generated Node #0,4: 75:[5, 2, 40] Operation: 89-49=40 Moving to Node #0,4 Current State: 75:[5, 2, 40], Operations: ['89-49=40'] Exploring Operation: 2*40=80, Resulting Numbers: [5, 80] Generated Node #0,4,4: 75:[5, 80] Operation: 2*40=80 Moving to Node #0,4,4 Current State: 75:[5, 80], Operations: ['89-49=40', '2*40=80'] Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 75, 15, 30, 37 ]
35
[ "75-15=60", "60/30=2", "37-2=35" ]
Current State: 35:[75, 15, 30, 37], Operations: [] Exploring Operation: 75-15=60, Resulting Numbers: [30, 37, 60] Generated Node #2: [30, 37, 60] from Operation: 75-15=60 Current State: 35:[30, 37, 60], Operations: ['75-15=60'] Exploring Operation: 60/30=2, Resulting Numbers: [37, 2] Generated Node #3: [37, 2] from Operation: 60/30=2 Current State: 35:[37, 2], Operations: ['75-15=60', '60/30=2'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[75, 15, 30, 37], Operations: [] Exploring Operation: 75/15=5, Resulting Numbers: [30, 37, 5] Generated Node #0,0: 35:[30, 37, 5] Operation: 75/15=5 Exploring Operation: 75-30=45, Resulting Numbers: [15, 37, 45] Generated Node #0,1: 35:[15, 37, 45] Operation: 75-30=45 Exploring Operation: 75-37=38, Resulting Numbers: [15, 30, 38] Generated Node #0,2: 35:[15, 30, 38] Operation: 75-37=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[30, 37, 5], Operations: ['75/15=5'] Exploring Operation: 30/5=6, Resulting Numbers: [37, 6] Generated Node #0,0,0: 35:[37, 6] Operation: 30/5=6 Exploring Operation: 37-30=7, Resulting Numbers: [5, 7] Generated Node #0,0,1: 35:[5, 7] Operation: 37-30=7 Exploring Operation: 30+5=35, Resulting Numbers: [37, 35] Generated Node #0,0,2: 35:[37, 35] Operation: 30+5=35 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 35:[5, 7], Operations: ['75/15=5', '37-30=7'] Exploring Operation: 5+7=12, Resulting Numbers: [12] 12,35 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[75, 15, 30, 37], Operations: [] Exploring Operation: 75/15=5, Resulting Numbers: [30, 37, 5] Generated Node #0,0: 35:[30, 37, 5] Operation: 75/15=5 Moving to Node #0,0 Current State: 35:[30, 37, 5], Operations: ['75/15=5'] Exploring Operation: 37-30=7, Resulting Numbers: [5, 7] Generated Node #0,0,1: 35:[5, 7] Operation: 37-30=7 Moving to Node #0,0,1 Current State: 35:[5, 7], Operations: ['75/15=5', '37-30=7'] Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 81, 21, 90, 17 ]
13
[ "81-21=60", "90-17=73", "73-60=13" ]
Current State: 13:[81, 21, 90, 17], Operations: [] Exploring Operation: 81-21=60, Resulting Numbers: [90, 17, 60] Generated Node #2: [90, 17, 60] from Operation: 81-21=60 Current State: 13:[90, 17, 60], Operations: ['81-21=60'] Exploring Operation: 90-17=73, Resulting Numbers: [60, 73] Generated Node #3: [60, 73] from Operation: 90-17=73 Current State: 13:[60, 73], Operations: ['81-21=60', '90-17=73'] Exploring Operation: 73-60=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[81, 21, 90, 17], Operations: [] Exploring Operation: 90-81=9, Resulting Numbers: [21, 17, 9] Generated Node #0,0: 13:[21, 17, 9] Operation: 90-81=9 Moving to Node #0,0 Current State: 13:[21, 17, 9], Operations: ['90-81=9'] Exploring Operation: 21-9=12, Resulting Numbers: [17, 12] Generated Node #0,0,0: 13:[17, 12] Operation: 21-9=12 Moving to Node #0,0,0 Current State: 13:[17, 12], Operations: ['90-81=9', '21-9=12'] Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,13 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 91, 50, 5, 16 ]
62
[ "91-50=41", "5+16=21", "41+21=62" ]
Current State: 62:[91, 50, 5, 16], Operations: [] Exploring Operation: 91-50=41, Resulting Numbers: [5, 16, 41] Generated Node #2: [5, 16, 41] from Operation: 91-50=41 Current State: 62:[5, 16, 41], Operations: ['91-50=41'] Exploring Operation: 5+16=21, Resulting Numbers: [41, 21] Generated Node #3: [41, 21] from Operation: 5+16=21 Current State: 62:[41, 21], Operations: ['91-50=41', '5+16=21'] Exploring Operation: 41+21=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[91, 50, 5, 16], Operations: [] Exploring Operation: 91-50=41, Resulting Numbers: [5, 16, 41] Generated Node #0,0: 62:[5, 16, 41] Operation: 91-50=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[5, 16, 41], Operations: ['91-50=41'] Exploring Operation: 16+41=57, Resulting Numbers: [5, 57] Generated Node #0,0,0: 62:[5, 57] Operation: 16+41=57 Moving to Node #0,0,0 Current State: 62:[5, 57], Operations: ['91-50=41', '16+41=57'] Exploring Operation: 5+57=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[91, 50, 5, 16], Operations: [] Exploring Operation: 91-50=41, Resulting Numbers: [5, 16, 41] Generated Node #0,0: 62:[5, 16, 41] Operation: 91-50=41 Moving to Node #0,0 Current State: 62:[5, 16, 41], Operations: ['91-50=41'] Exploring Operation: 16+41=57, Resulting Numbers: [5, 57] Generated Node #0,0,0: 62:[5, 57] Operation: 16+41=57 Moving to Node #0,0,0 Current State: 62:[5, 57], Operations: ['91-50=41', '16+41=57'] Exploring Operation: 5+57=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 98, 49, 48, 96 ]
98
[ "98-49=49", "96/48=2", "49*2=98" ]
Current State: 98:[98, 49, 48, 96], Operations: [] Exploring Operation: 98-49=49, Resulting Numbers: [48, 96, 49] Generated Node #2: [48, 96, 49] from Operation: 98-49=49 Current State: 98:[48, 96, 49], Operations: ['98-49=49'] Exploring Operation: 96/48=2, Resulting Numbers: [49, 2] Generated Node #3: [49, 2] from Operation: 96/48=2 Current State: 98:[49, 2], Operations: ['98-49=49', '96/48=2'] Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[98, 49, 48, 96], Operations: [] Exploring Operation: 96/48=2, Resulting Numbers: [98, 49, 2] Generated Node #0,0: 98:[98, 49, 2] Operation: 96/48=2 Exploring Operation: 98-96=2, Resulting Numbers: [49, 48, 2] Generated Node #0,1: 98:[49, 48, 2] Operation: 98-96=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[98, 49, 2], Operations: ['96/48=2'] Exploring Operation: 98/49=2, Resulting Numbers: [2, 2] Generated Node #0,0,0: 98:[2, 2] Operation: 98/49=2 Exploring Operation: 98-49=49, Resulting Numbers: [2, 49] Generated Node #0,0,1: 98:[2, 49] Operation: 98-49=49 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[2, 2], Operations: ['96/48=2', '98/49=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,98 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,98 unequal: No Solution No 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: 98:[2, 49], Operations: ['96/48=2', '98-49=49'] Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,98 unequal: No Solution Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[98, 49, 48, 96], Operations: [] Exploring Operation: 96/48=2, Resulting Numbers: [98, 49, 2] Generated Node #0,0: 98:[98, 49, 2] Operation: 96/48=2 Moving to Node #0,0 Current State: 98:[98, 49, 2], Operations: ['96/48=2'] Exploring Operation: 98-49=49, Resulting Numbers: [2, 49] Generated Node #0,0,1: 98:[2, 49] Operation: 98-49=49 Moving to Node #0,0,1 Current State: 98:[2, 49], Operations: ['96/48=2', '98-49=49'] Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 5, 85, 88, 61 ]
76
[ "88-85=3", "5*3=15", "61+15=76" ]
Current State: 76:[5, 85, 88, 61], Operations: [] Exploring Operation: 88-85=3, Resulting Numbers: [5, 61, 3] Generated Node #2: [5, 61, 3] from Operation: 88-85=3 Current State: 76:[5, 61, 3], Operations: ['88-85=3'] Exploring Operation: 5*3=15, Resulting Numbers: [61, 15] Generated Node #3: [61, 15] from Operation: 5*3=15 Current State: 76:[61, 15], Operations: ['88-85=3', '5*3=15'] Exploring Operation: 61+15=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[5, 85, 88, 61], Operations: [] Exploring Operation: 88-85=3, Resulting Numbers: [5, 61, 3] Generated Node #0,0: 76:[5, 61, 3] Operation: 88-85=3 Exploring Operation: 88-61=27, Resulting Numbers: [5, 85, 27] Generated Node #0,1: 76:[5, 85, 27] Operation: 88-61=27 Exploring Operation: 85-61=24, Resulting Numbers: [5, 88, 24] Generated Node #0,2: 76:[5, 88, 24] Operation: 85-61=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[5, 61, 3], Operations: ['88-85=3'] Exploring Operation: 5-3=2, Resulting Numbers: [61, 2] Generated Node #0,0,0: 76:[61, 2] Operation: 5-3=2 Exploring Operation: 61+3=64, Resulting Numbers: [5, 64] Generated Node #0,0,1: 76:[5, 64] Operation: 61+3=64 Exploring Operation: 5+61=66, Resulting Numbers: [3, 66] Generated Node #0,0,2: 76:[3, 66] Operation: 5+61=66 Moving to Node #0,0,2 Current State: 76:[3, 66], Operations: ['88-85=3', '5+61=66'] Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,76 unequal: No Solution Exploring Operation: 3+66=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[5, 64], Operations: ['88-85=3', '61+3=64'] Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,76 unequal: No Solution Exploring Operation: 5+64=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 5*64=320, Resulting Numbers: [320] 320,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[61, 2], Operations: ['88-85=3', '5-3=2'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,76 unequal: No Solution Exploring Operation: 61*2=122, Resulting Numbers: [122] 122,76 unequal: No Solution Exploring Operation: 61+2=63, Resulting Numbers: [63] 63,76 unequal: No Solution No 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: 76:[5, 85, 27], Operations: ['88-61=27'] Exploring Operation: 85-5=80, Resulting Numbers: [27, 80] Generated Node #0,1,0: 76:[27, 80] Operation: 85-5=80 Exploring Operation: 27-5=22, Resulting Numbers: [85, 22] Generated Node #0,1,1: 76:[85, 22] Operation: 27-5=22 Exploring Operation: 85/5=17, Resulting Numbers: [27, 17] Generated Node #0,1,2: 76:[27, 17] Operation: 85/5=17 Moving to Node #0,1,2 Current State: 76:[27, 17], Operations: ['88-61=27', '85/5=17'] Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,76 unequal: No Solution Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,76 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[27, 80], Operations: ['88-61=27', '85-5=80'] Exploring Operation: 27*80=2160, Resulting Numbers: [2160] 2160,76 unequal: No Solution Exploring Operation: 80-27=53, Resulting Numbers: [53] 53,76 unequal: No Solution Exploring Operation: 27+80=107, Resulting Numbers: [107] 107,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[85, 22], Operations: ['88-61=27', '27-5=22'] Exploring Operation: 85-22=63, Resulting Numbers: [63] 63,76 unequal: No Solution Exploring Operation: 85*22=1870, Resulting Numbers: [1870] 1870,76 unequal: No Solution Exploring Operation: 85+22=107, Resulting Numbers: [107] 107,76 unequal: No Solution No 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: 76:[5, 88, 24], Operations: ['85-61=24'] Exploring Operation: 24-5=19, Resulting Numbers: [88, 19] Generated Node #0,2,0: 76:[88, 19] Operation: 24-5=19 Exploring Operation: 88-24=64, Resulting Numbers: [5, 64] Generated Node #0,2,1: 76:[5, 64] Operation: 88-24=64 Exploring Operation: 88-5=83, Resulting Numbers: [24, 83] Generated Node #0,2,2: 76:[24, 83] Operation: 88-5=83 Moving to Node #0,2,0 Current State: 76:[88, 19], Operations: ['85-61=24', '24-5=19'] Exploring Operation: 88+19=107, Resulting Numbers: [107] 107,76 unequal: No Solution Exploring Operation: 88-19=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 88*19=1672, Resulting Numbers: [1672] 1672,76 unequal: No Solution Moving to Node #0,2,2 Current State: 76:[24, 83], Operations: ['85-61=24', '88-5=83'] Exploring Operation: 83-24=59, Resulting Numbers: [59] 59,76 unequal: No Solution Exploring Operation: 24+83=107, Resulting Numbers: [107] 107,76 unequal: No Solution Exploring Operation: 24*83=1992, Resulting Numbers: [1992] 1992,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[5, 64], Operations: ['85-61=24', '88-24=64'] Exploring Operation: 5*64=320, Resulting Numbers: [320] 320,76 unequal: No Solution Exploring Operation: 5+64=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,76 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
[ 65, 57, 61, 45 ]
90
[ "65+57=122", "122/61=2", "45*2=90" ]
Current State: 90:[65, 57, 61, 45], Operations: [] Exploring Operation: 65+57=122, Resulting Numbers: [61, 45, 122] Generated Node #2: [61, 45, 122] from Operation: 65+57=122 Current State: 90:[61, 45, 122], Operations: ['65+57=122'] Exploring Operation: 122/61=2, Resulting Numbers: [45, 2] Generated Node #3: [45, 2] from Operation: 122/61=2 Current State: 90:[45, 2], Operations: ['65+57=122', '122/61=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[65, 57, 61, 45], Operations: [] Exploring Operation: 61-57=4, Resulting Numbers: [65, 45, 4] Generated Node #0,0: 90:[65, 45, 4] Operation: 61-57=4 Exploring Operation: 65-61=4, Resulting Numbers: [57, 45, 4] Generated Node #0,1: 90:[57, 45, 4] Operation: 65-61=4 Exploring Operation: 61-45=16, Resulting Numbers: [65, 57, 16] Generated Node #0,2: 90:[65, 57, 16] Operation: 61-45=16 Exploring Operation: 65-45=20, Resulting Numbers: [57, 61, 20] Generated Node #0,3: 90:[57, 61, 20] Operation: 65-45=20 Exploring Operation: 65-57=8, Resulting Numbers: [61, 45, 8] Generated Node #0,4: 90:[61, 45, 8] Operation: 65-57=8 Moving to Node #0,1 Current State: 90:[57, 45, 4], Operations: ['65-61=4'] Exploring Operation: 57-4=53, Resulting Numbers: [45, 53] Generated Node #0,1,0: 90:[45, 53] Operation: 57-4=53 Exploring Operation: 57+4=61, Resulting Numbers: [45, 61] Generated Node #0,1,1: 90:[45, 61] Operation: 57+4=61 Exploring Operation: 45+4=49, Resulting Numbers: [57, 49] Generated Node #0,1,2: 90:[57, 49] Operation: 45+4=49 Exploring Operation: 57+45=102, Resulting Numbers: [4, 102] Generated Node #0,1,3: 90:[4, 102] Operation: 57+45=102 Exploring Operation: 57-45=12, Resulting Numbers: [4, 12] Generated Node #0,1,4: 90:[4, 12] Operation: 57-45=12 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 90:[4, 12], Operations: ['65-61=4', '57-45=12'] Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,90 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 90:[45, 53], Operations: ['65-61=4', '57-4=53'] Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 45*53=2385, Resulting Numbers: [2385] 2385,90 unequal: No Solution Exploring Operation: 45+53=98, Resulting Numbers: [98] 98,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 90:[4, 102], Operations: ['65-61=4', '57+45=102'] Exploring Operation: 4+102=106, Resulting Numbers: [106] 106,90 unequal: No Solution Exploring Operation: 102-4=98, Resulting Numbers: [98] 98,90 unequal: No Solution Exploring Operation: 4*102=408, Resulting Numbers: [408] 408,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 90:[45, 61], Operations: ['65-61=4', '57+4=61'] Exploring Operation: 45*61=2745, Resulting Numbers: [2745] 2745,90 unequal: No Solution Exploring Operation: 45+61=106, Resulting Numbers: [106] 106,90 unequal: No Solution Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 90:[57, 49], Operations: ['65-61=4', '45+4=49'] Exploring Operation: 57-49=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 57*49=2793, Resulting Numbers: [2793] 2793,90 unequal: No Solution Exploring Operation: 57+49=106, Resulting Numbers: [106] 106,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 90:[61, 45, 8], Operations: ['65-57=8'] Exploring Operation: 61+45=106, Resulting Numbers: [8, 106] Generated Node #0,4,0: 90:[8, 106] Operation: 61+45=106 Exploring Operation: 61+8=69, Resulting Numbers: [45, 69] Generated Node #0,4,1: 90:[45, 69] Operation: 61+8=69 Exploring Operation: 45-8=37, Resulting Numbers: [61, 37] Generated Node #0,4,2: 90:[61, 37] Operation: 45-8=37 Exploring Operation: 61-8=53, Resulting Numbers: [45, 53] Generated Node #0,4,3: 90:[45, 53] Operation: 61-8=53 Exploring Operation: 61-45=16, Resulting Numbers: [8, 16] Generated Node #0,4,4: 90:[8, 16] Operation: 61-45=16 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 90:[8, 16], Operations: ['65-57=8', '61-45=16'] Exploring Operation: 8*16=128, Resulting Numbers: [128] 128,90 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 8+16=24, Resulting Numbers: [24] 24,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 90:[45, 53], Operations: ['65-57=8', '61-8=53'] Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 45*53=2385, Resulting Numbers: [2385] 2385,90 unequal: No Solution Exploring Operation: 45+53=98, Resulting Numbers: [98] 98,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 90:[8, 106], Operations: ['65-57=8', '61+45=106'] Exploring Operation: 8+106=114, Resulting Numbers: [114] 114,90 unequal: No Solution Exploring Operation: 8*106=848, Resulting Numbers: [848] 848,90 unequal: No Solution Exploring Operation: 106-8=98, Resulting Numbers: [98] 98,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 90:[45, 69], Operations: ['65-57=8', '61+8=69'] Exploring Operation: 45*69=3105, Resulting Numbers: [3105] 3105,90 unequal: No Solution Exploring Operation: 69-45=24, Resulting Numbers: [24] 24,90 unequal: No Solution Exploring Operation: 45+69=114, Resulting Numbers: [114] 114,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 90:[61, 37], Operations: ['65-57=8', '45-8=37'] Exploring Operation: 61+37=98, Resulting Numbers: [98] 98,90 unequal: No Solution Exploring Operation: 61-37=24, Resulting Numbers: [24] 24,90 unequal: No Solution Exploring Operation: 61*37=2257, Resulting Numbers: [2257] 2257,90 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: 90:[65, 45, 4], Operations: ['61-57=4'] Exploring Operation: 65+45=110, Resulting Numbers: [4, 110] Generated Node #0,0,0: 90:[4, 110] Operation: 65+45=110 Exploring Operation: 45+4=49, Resulting Numbers: [65, 49] Generated Node #0,0,1: 90:[65, 49] Operation: 45+4=49 Exploring Operation: 65+4=69, Resulting Numbers: [45, 69] Generated Node #0,0,2: 90:[45, 69] Operation: 65+4=69 Exploring Operation: 65-4=61, Resulting Numbers: [45, 61] Generated Node #0,0,3: 90:[45, 61] Operation: 65-4=61 Exploring Operation: 65-45=20, Resulting Numbers: [4, 20] Generated Node #0,0,4: 90:[4, 20] Operation: 65-45=20 Moving to Node #0,3 Current State: 90:[57, 61, 20], Operations: ['65-45=20'] Exploring Operation: 61+20=81, Resulting Numbers: [57, 81] Generated Node #0,3,0: 90:[57, 81] Operation: 61+20=81 Exploring Operation: 57+20=77, Resulting Numbers: [61, 77] Generated Node #0,3,1: 90:[61, 77] Operation: 57+20=77 Exploring Operation: 61-57=4, Resulting Numbers: [20, 4] Generated Node #0,3,2: 90:[20, 4] Operation: 61-57=4 Exploring Operation: 61-20=41, Resulting Numbers: [57, 41] Generated Node #0,3,3: 90:[57, 41] Operation: 61-20=41 Exploring Operation: 57-20=37, Resulting Numbers: [61, 37] Generated Node #0,3,4: 90:[61, 37] Operation: 57-20=37 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 90:[20, 4], Operations: ['65-45=20', '61-57=4'] Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,90 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,90 unequal: No Solution Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 90:[57, 41], Operations: ['65-45=20', '61-20=41'] Exploring Operation: 57-41=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 57+41=98, Resulting Numbers: [98] 98,90 unequal: No Solution Exploring Operation: 57*41=2337, Resulting Numbers: [2337] 2337,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 90:[57, 81], Operations: ['65-45=20', '61+20=81'] Exploring Operation: 81-57=24, Resulting Numbers: [24] 24,90 unequal: No Solution Exploring Operation: 57*81=4617, Resulting Numbers: [4617] 4617,90 unequal: No Solution Exploring Operation: 57+81=138, Resulting Numbers: [138] 138,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 90:[61, 37], Operations: ['65-45=20', '57-20=37'] Exploring Operation: 61+37=98, Resulting Numbers: [98] 98,90 unequal: No Solution Exploring Operation: 61*37=2257, Resulting Numbers: [2257] 2257,90 unequal: No Solution Exploring Operation: 61-37=24, Resulting Numbers: [24] 24,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 90:[61, 77], Operations: ['65-45=20', '57+20=77'] Exploring Operation: 77-61=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 61+77=138, Resulting Numbers: [138] 138,90 unequal: No Solution Exploring Operation: 61*77=4697, Resulting Numbers: [4697] 4697,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 90:[65, 57, 16], Operations: ['61-45=16'] Exploring Operation: 65+16=81, Resulting Numbers: [57, 81] Generated Node #0,2,0: 90:[57, 81] Operation: 65+16=81 Exploring Operation: 65+57=122, Resulting Numbers: [16, 122] Generated Node #0,2,1: 90:[16, 122] Operation: 65+57=122 Exploring Operation: 65-16=49, Resulting Numbers: [57, 49] Generated Node #0,2,2: 90:[57, 49] Operation: 65-16=49 Exploring Operation: 57-16=41, Resulting Numbers: [65, 41] Generated Node #0,2,3: 90:[65, 41] Operation: 57-16=41 Exploring Operation: 65-57=8, Resulting Numbers: [16, 8] Generated Node #0,2,4: 90:[16, 8] Operation: 65-57=8 Moving to Node #0,2,4 Current State: 90:[16, 8], Operations: ['61-45=16', '65-57=8'] Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,90 unequal: No Solution Exploring Operation: 16*8=128, Resulting Numbers: [128] 128,90 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,90 unequal: No Solution Moving to Node #0,0,4 Current State: 90:[4, 20], Operations: ['61-57=4', '65-45=20'] Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,90 unequal: No Solution Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,90 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[57, 49], Operations: ['61-45=16', '65-16=49'] Exploring Operation: 57*49=2793, Resulting Numbers: [2793] 2793,90 unequal: No Solution Exploring Operation: 57+49=106, Resulting Numbers: [106] 106,90 unequal: No Solution Exploring Operation: 57-49=8, Resulting Numbers: [8] 8,90 unequal: No Solution Moving to Node #0,0,3 Current State: 90:[45, 61], Operations: ['61-57=4', '65-4=61'] Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 45+61=106, Resulting Numbers: [106] 106,90 unequal: No Solution Exploring Operation: 45*61=2745, Resulting Numbers: [2745] 2745,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[4, 110], Operations: ['61-57=4', '65+45=110'] Exploring Operation: 110-4=106, Resulting Numbers: [106] 106,90 unequal: No Solution Exploring Operation: 4*110=440, Resulting Numbers: [440] 440,90 unequal: No Solution Exploring Operation: 4+110=114, Resulting Numbers: [114] 114,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[45, 69], Operations: ['61-57=4', '65+4=69'] Exploring Operation: 45+69=114, Resulting Numbers: [114] 114,90 unequal: No Solution Exploring Operation: 45*69=3105, Resulting Numbers: [3105] 3105,90 unequal: No Solution Exploring Operation: 69-45=24, Resulting Numbers: [24] 24,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[57, 81], Operations: ['61-45=16', '65+16=81'] Exploring Operation: 57*81=4617, Resulting Numbers: [4617] 4617,90 unequal: No Solution Exploring Operation: 57+81=138, Resulting Numbers: [138] 138,90 unequal: No Solution Exploring Operation: 81-57=24, Resulting Numbers: [24] 24,90 unequal: No Solution Moving to Node #0,2,3 Current State: 90:[65, 41], Operations: ['61-45=16', '57-16=41'] Exploring Operation: 65*41=2665, Resulting Numbers: [2665] 2665,90 unequal: No Solution Exploring Operation: 65-41=24, Resulting Numbers: [24] 24,90 unequal: No Solution Exploring Operation: 65+41=106, Resulting Numbers: [106] 106,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[65, 49], Operations: ['61-57=4', '45+4=49'] Exploring Operation: 65*49=3185, Resulting Numbers: [3185] 3185,90 unequal: No Solution Exploring Operation: 65-49=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 65+49=114, Resulting Numbers: [114] 114,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[16, 122], Operations: ['61-45=16', '65+57=122'] Exploring Operation: 16*122=1952, Resulting Numbers: [1952] 1952,90 unequal: No Solution Exploring Operation: 122-16=106, Resulting Numbers: [106] 106,90 unequal: No Solution Exploring Operation: 16+122=138, Resulting Numbers: [138] 138,90 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 5, 33, 11, 22 ]
19
[ "5+33=38", "22/11=2", "38/2=19" ]
Current State: 19:[5, 33, 11, 22], Operations: [] Exploring Operation: 5+33=38, Resulting Numbers: [11, 22, 38] Generated Node #2: [11, 22, 38] from Operation: 5+33=38 Current State: 19:[11, 22, 38], Operations: ['5+33=38'] Exploring Operation: 22/11=2, Resulting Numbers: [38, 2] Generated Node #3: [38, 2] from Operation: 22/11=2 Current State: 19:[38, 2], Operations: ['5+33=38', '22/11=2'] Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[5, 33, 11, 22], Operations: [] Exploring Operation: 5+11=16, Resulting Numbers: [33, 22, 16] Generated Node #0,0: 19:[33, 22, 16] Operation: 5+11=16 Exploring Operation: 33-11=22, Resulting Numbers: [5, 22, 22] Generated Node #0,1: 19:[5, 22, 22] Operation: 33-11=22 Exploring Operation: 33-5=28, Resulting Numbers: [11, 22, 28] Generated Node #0,2: 19:[11, 22, 28] Operation: 33-5=28 Exploring Operation: 5+33=38, Resulting Numbers: [11, 22, 38] Generated Node #0,3: 19:[11, 22, 38] Operation: 5+33=38 Exploring Operation: 22-5=17, Resulting Numbers: [33, 11, 17] Generated Node #0,4: 19:[33, 11, 17] Operation: 22-5=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[33, 22, 16], Operations: ['5+11=16'] Exploring Operation: 22-16=6, Resulting Numbers: [33, 6] Generated Node #0,0,0: 19:[33, 6] Operation: 22-16=6 Exploring Operation: 22+16=38, Resulting Numbers: [33, 38] Generated Node #0,0,1: 19:[33, 38] Operation: 22+16=38 Exploring Operation: 33-22=11, Resulting Numbers: [16, 11] Generated Node #0,0,2: 19:[16, 11] Operation: 33-22=11 Exploring Operation: 33-16=17, Resulting Numbers: [22, 17] Generated Node #0,0,3: 19:[22, 17] Operation: 33-16=17 Exploring Operation: 33+16=49, Resulting Numbers: [22, 49] Generated Node #0,0,4: 19:[22, 49] Operation: 33+16=49 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 19:[22, 17], Operations: ['5+11=16', '33-16=17'] Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 22*17=374, Resulting Numbers: [374] 374,19 unequal: No Solution No 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: 19:[16, 11], Operations: ['5+11=16', '33-22=11'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 16*11=176, Resulting Numbers: [176] 176,19 unequal: No Solution Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,19 unequal: No Solution No 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: 19:[33, 6], Operations: ['5+11=16', '22-16=6'] Exploring Operation: 33*6=198, Resulting Numbers: [198] 198,19 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 33+6=39, Resulting Numbers: [39] 39,19 unequal: No Solution No 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: 19:[33, 38], Operations: ['5+11=16', '22+16=38'] Exploring Operation: 38-33=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 33*38=1254, Resulting Numbers: [1254] 1254,19 unequal: No Solution Exploring Operation: 33+38=71, Resulting Numbers: [71] 71,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 19:[22, 49], Operations: ['5+11=16', '33+16=49'] Exploring Operation: 22+49=71, Resulting Numbers: [71] 71,19 unequal: No Solution Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 22*49=1078, Resulting Numbers: [1078] 1078,19 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: 19:[5, 22, 22], Operations: ['33-11=22'] Exploring Operation: 5+22=27, Resulting Numbers: [22, 27] Generated Node #0,1,0: 19:[22, 27] Operation: 5+22=27 Exploring Operation: 5+22=27, Resulting Numbers: [22, 27] Generated Node #0,1,1: 19:[22, 27] Operation: 5+22=27 Exploring Operation: 22-5=17, Resulting Numbers: [22, 17] Generated Node #0,1,2: 19:[22, 17] Operation: 22-5=17 Exploring Operation: 22/22=1, Resulting Numbers: [5, 1] Generated Node #0,1,3: 19:[5, 1] Operation: 22/22=1 Exploring Operation: 22-5=17, Resulting Numbers: [22, 17] Generated Node #0,1,4: 19:[22, 17] Operation: 22-5=17 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 19:[22, 17], Operations: ['33-11=22', '22-5=17'] Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 22*17=374, Resulting Numbers: [374] 374,19 unequal: No Solution Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,19 unequal: No Solution No 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: 19:[22, 17], Operations: ['33-11=22', '22-5=17'] Exploring Operation: 22*17=374, Resulting Numbers: [374] 374,19 unequal: No Solution Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,19 unequal: No Solution No 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: 19:[22, 27], Operations: ['33-11=22', '5+22=27'] Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 22+27=49, Resulting Numbers: [49] 49,19 unequal: No Solution Exploring Operation: 22*27=594, Resulting Numbers: [594] 594,19 unequal: No Solution No 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: 19:[22, 27], Operations: ['33-11=22', '5+22=27'] Exploring Operation: 22+27=49, Resulting Numbers: [49] 49,19 unequal: No Solution Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 22*27=594, Resulting Numbers: [594] 594,19 unequal: No Solution No 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: 19:[5, 1], Operations: ['33-11=22', '22/22=1'] Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 5+1=6, Resulting Numbers: [6] 6,19 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,19 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: 19:[11, 22, 28], Operations: ['33-5=28'] Exploring Operation: 22-11=11, Resulting Numbers: [28, 11] Generated Node #0,2,0: 19:[28, 11] Operation: 22-11=11 Exploring Operation: 28-22=6, Resulting Numbers: [11, 6] Generated Node #0,2,1: 19:[11, 6] Operation: 28-22=6 Exploring Operation: 11+28=39, Resulting Numbers: [22, 39] Generated Node #0,2,2: 19:[22, 39] Operation: 11+28=39 Exploring Operation: 11+22=33, Resulting Numbers: [28, 33] Generated Node #0,2,3: 19:[28, 33] Operation: 11+22=33 Exploring Operation: 28-11=17, Resulting Numbers: [22, 17] Generated Node #0,2,4: 19:[22, 17] Operation: 28-11=17 Moving to Node #0,2,4 Current State: 19:[22, 17], Operations: ['33-5=28', '28-11=17'] Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 22*17=374, Resulting Numbers: [374] 374,19 unequal: No Solution Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,19 unequal: No Solution Moving to Node #0,2,0 Current State: 19:[28, 11], Operations: ['33-5=28', '22-11=11'] Exploring Operation: 28+11=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 28*11=308, Resulting Numbers: [308] 308,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[11, 6], Operations: ['33-5=28', '28-22=6'] Exploring Operation: 11*6=66, Resulting Numbers: [66] 66,19 unequal: No Solution Exploring Operation: 11+6=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[22, 39], Operations: ['33-5=28', '11+28=39'] Exploring Operation: 22*39=858, Resulting Numbers: [858] 858,19 unequal: No Solution Exploring Operation: 22+39=61, Resulting Numbers: [61] 61,19 unequal: No Solution Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,19 unequal: No Solution Moving to Node #0,2,3 Current State: 19:[28, 33], Operations: ['33-5=28', '11+22=33'] Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 28*33=924, Resulting Numbers: [924] 924,19 unequal: No Solution Exploring Operation: 28+33=61, Resulting Numbers: [61] 61,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 19:[33, 11, 17], Operations: ['22-5=17'] Exploring Operation: 33-17=16, Resulting Numbers: [11, 16] Generated Node #0,4,0: 19:[11, 16] Operation: 33-17=16 Exploring Operation: 33+11=44, Resulting Numbers: [17, 44] Generated Node #0,4,1: 19:[17, 44] Operation: 33+11=44 Exploring Operation: 33-11=22, Resulting Numbers: [17, 22] Generated Node #0,4,2: 19:[17, 22] Operation: 33-11=22 Exploring Operation: 33/11=3, Resulting Numbers: [17, 3] Generated Node #0,4,3: 19:[17, 3] Operation: 33/11=3 Exploring Operation: 11+17=28, Resulting Numbers: [33, 28] Generated Node #0,4,4: 19:[33, 28] Operation: 11+17=28 Moving to Node #0,4,2 Current State: 19:[17, 22], Operations: ['22-5=17', '33-11=22'] Exploring Operation: 17*22=374, Resulting Numbers: [374] 374,19 unequal: No Solution Exploring Operation: 17+22=39, Resulting Numbers: [39] 39,19 unequal: No Solution Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,19 unequal: No Solution Moving to Node #0,4,0 Current State: 19:[11, 16], Operations: ['22-5=17', '33-17=16'] Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,19 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,19 unequal: No Solution Moving to Node #0,4,3 Current State: 19:[17, 3], Operations: ['22-5=17', '33/11=3'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,19 unequal: No Solution Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,19 unequal: No Solution Moving to Node #0,4,4 Current State: 19:[33, 28], Operations: ['22-5=17', '11+17=28'] Exploring Operation: 33*28=924, Resulting Numbers: [924] 924,19 unequal: No Solution Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 33+28=61, Resulting Numbers: [61] 61,19 unequal: No Solution Moving to Node #0,4,1 Current State: 19:[17, 44], Operations: ['22-5=17', '33+11=44'] Exploring Operation: 17*44=748, Resulting Numbers: [748] 748,19 unequal: No Solution Exploring Operation: 17+44=61, Resulting Numbers: [61] 61,19 unequal: No Solution Exploring Operation: 44-17=27, Resulting Numbers: [27] 27,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 19:[11, 22, 38], Operations: ['5+33=38'] Exploring Operation: 38-11=27, Resulting Numbers: [22, 27] Generated Node #0,3,0: 19:[22, 27] Operation: 38-11=27 Exploring Operation: 11+38=49, Resulting Numbers: [22, 49] Generated Node #0,3,1: 19:[22, 49] Operation: 11+38=49 Exploring Operation: 11+22=33, Resulting Numbers: [38, 33] Generated Node #0,3,2: 19:[38, 33] Operation: 11+22=33 Exploring Operation: 38-22=16, Resulting Numbers: [11, 16] Generated Node #0,3,3: 19:[11, 16] Operation: 38-22=16 Exploring Operation: 22-11=11, Resulting Numbers: [38, 11] Generated Node #0,3,4: 19:[38, 11] Operation: 22-11=11 Moving to Node #0,3,0 Current State: 19:[22, 27], Operations: ['5+33=38', '38-11=27'] Exploring Operation: 22+27=49, Resulting Numbers: [49] 49,19 unequal: No Solution Exploring Operation: 22*27=594, Resulting Numbers: [594] 594,19 unequal: No Solution Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,19 unequal: No Solution Moving to Node #0,3,3 Current State: 19:[11, 16], Operations: ['5+33=38', '38-22=16'] Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,19 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,19 unequal: No Solution Moving to Node #0,3,4 Current State: 19:[38, 11], Operations: ['5+33=38', '22-11=11'] Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 38*11=418, Resulting Numbers: [418] 418,19 unequal: No Solution Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,19 unequal: No Solution Moving to Node #0,3,1 Current State: 19:[22, 49], Operations: ['5+33=38', '11+38=49'] Exploring Operation: 22+49=71, Resulting Numbers: [71] 71,19 unequal: No Solution Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,19 unequal: No Solution Exploring Operation: 22*49=1078, Resulting Numbers: [1078] 1078,19 unequal: No Solution Moving to Node #0,3,2 Current State: 19:[38, 33], Operations: ['5+33=38', '11+22=33'] Exploring Operation: 38*33=1254, Resulting Numbers: [1254] 1254,19 unequal: No Solution Exploring Operation: 38+33=71, Resulting Numbers: [71] 71,19 unequal: No Solution Exploring Operation: 38-33=5, Resulting Numbers: [5] 5,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 31, 77, 32, 30 ]
79
[ "32+30=62", "62/31=2", "77+2=79" ]
Current State: 79:[31, 77, 32, 30], Operations: [] Exploring Operation: 32+30=62, Resulting Numbers: [31, 77, 62] Generated Node #2: [31, 77, 62] from Operation: 32+30=62 Current State: 79:[31, 77, 62], Operations: ['32+30=62'] Exploring Operation: 62/31=2, Resulting Numbers: [77, 2] Generated Node #3: [77, 2] from Operation: 62/31=2 Current State: 79:[77, 2], Operations: ['32+30=62', '62/31=2'] Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[31, 77, 32, 30], Operations: [] Exploring Operation: 31+32=63, Resulting Numbers: [77, 30, 63] Generated Node #0,0: 79:[77, 30, 63] Operation: 31+32=63 Exploring Operation: 31+30=61, Resulting Numbers: [77, 32, 61] Generated Node #0,1: 79:[77, 32, 61] Operation: 31+30=61 Exploring Operation: 32+30=62, Resulting Numbers: [31, 77, 62] Generated Node #0,2: 79:[31, 77, 62] Operation: 32+30=62 Exploring Operation: 31+77=108, Resulting Numbers: [32, 30, 108] Generated Node #0,3: 79:[32, 30, 108] Operation: 31+77=108 Exploring Operation: 77+30=107, Resulting Numbers: [31, 32, 107] Generated Node #0,4: 79:[31, 32, 107] Operation: 77+30=107 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[77, 30, 63], Operations: ['31+32=63'] Exploring Operation: 63-30=33, Resulting Numbers: [77, 33] Generated Node #0,0,0: 79:[77, 33] Operation: 63-30=33 Exploring Operation: 77-30=47, Resulting Numbers: [63, 47] Generated Node #0,0,1: 79:[63, 47] Operation: 77-30=47 Exploring Operation: 30+63=93, Resulting Numbers: [77, 93] Generated Node #0,0,2: 79:[77, 93] Operation: 30+63=93 Exploring Operation: 77+30=107, Resulting Numbers: [63, 107] Generated Node #0,0,3: 79:[63, 107] Operation: 77+30=107 Exploring Operation: 77+63=140, Resulting Numbers: [30, 140] Generated Node #0,0,4: 79:[30, 140] Operation: 77+63=140 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 79:[77, 93], Operations: ['31+32=63', '30+63=93'] Exploring Operation: 77*93=7161, Resulting Numbers: [7161] 7161,79 unequal: No Solution Exploring Operation: 77+93=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 93-77=16, Resulting Numbers: [16] 16,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 79:[63, 107], Operations: ['31+32=63', '77+30=107'] Exploring Operation: 63+107=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 63*107=6741, Resulting Numbers: [6741] 6741,79 unequal: No Solution Exploring Operation: 107-63=44, Resulting Numbers: [44] 44,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[77, 33], Operations: ['31+32=63', '63-30=33'] Exploring Operation: 77*33=2541, Resulting Numbers: [2541] 2541,79 unequal: No Solution Exploring Operation: 77-33=44, Resulting Numbers: [44] 44,79 unequal: No Solution Exploring Operation: 77+33=110, Resulting Numbers: [110] 110,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[63, 47], Operations: ['31+32=63', '77-30=47'] Exploring Operation: 63-47=16, Resulting Numbers: [16] 16,79 unequal: No Solution Exploring Operation: 63+47=110, Resulting Numbers: [110] 110,79 unequal: No Solution Exploring Operation: 63*47=2961, Resulting Numbers: [2961] 2961,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 79:[30, 140], Operations: ['31+32=63', '77+63=140'] Exploring Operation: 140-30=110, Resulting Numbers: [110] 110,79 unequal: No Solution Exploring Operation: 30+140=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 30*140=4200, Resulting Numbers: [4200] 4200,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[77, 32, 61], Operations: ['31+30=61'] Exploring Operation: 61-32=29, Resulting Numbers: [77, 29] Generated Node #0,1,0: 79:[77, 29] Operation: 61-32=29 Exploring Operation: 77-32=45, Resulting Numbers: [61, 45] Generated Node #0,1,1: 79:[61, 45] Operation: 77-32=45 Exploring Operation: 77+61=138, Resulting Numbers: [32, 138] Generated Node #0,1,2: 79:[32, 138] Operation: 77+61=138 Exploring Operation: 32+61=93, Resulting Numbers: [77, 93] Generated Node #0,1,3: 79:[77, 93] Operation: 32+61=93 Exploring Operation: 77+32=109, Resulting Numbers: [61, 109] Generated Node #0,1,4: 79:[61, 109] Operation: 77+32=109 Moving to Node #0,1,3 Current State: 79:[77, 93], Operations: ['31+30=61', '32+61=93'] Exploring Operation: 77+93=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 77*93=7161, Resulting Numbers: [7161] 7161,79 unequal: No Solution Exploring Operation: 93-77=16, Resulting Numbers: [16] 16,79 unequal: No Solution Moving to Node #0,1,4 Current State: 79:[61, 109], Operations: ['31+30=61', '77+32=109'] Exploring Operation: 109-61=48, Resulting Numbers: [48] 48,79 unequal: No Solution Exploring Operation: 61+109=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 61*109=6649, Resulting Numbers: [6649] 6649,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[77, 29], Operations: ['31+30=61', '61-32=29'] Exploring Operation: 77*29=2233, Resulting Numbers: [2233] 2233,79 unequal: No Solution Exploring Operation: 77-29=48, Resulting Numbers: [48] 48,79 unequal: No Solution Exploring Operation: 77+29=106, Resulting Numbers: [106] 106,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[61, 45], Operations: ['31+30=61', '77-32=45'] Exploring Operation: 61*45=2745, Resulting Numbers: [2745] 2745,79 unequal: No Solution Exploring Operation: 61+45=106, Resulting Numbers: [106] 106,79 unequal: No Solution Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[32, 138], Operations: ['31+30=61', '77+61=138'] Exploring Operation: 32+138=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 32*138=4416, Resulting Numbers: [4416] 4416,79 unequal: No Solution Exploring Operation: 138-32=106, Resulting Numbers: [106] 106,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[31, 77, 62], Operations: ['32+30=62'] Exploring Operation: 62-31=31, Resulting Numbers: [77, 31] Generated Node #0,2,0: 79:[77, 31] Operation: 62-31=31 Exploring Operation: 62/31=2, Resulting Numbers: [77, 2] Generated Node #0,2,1: 79:[77, 2] Operation: 62/31=2 Exploring Operation: 77-31=46, Resulting Numbers: [62, 46] Generated Node #0,2,2: 79:[62, 46] Operation: 77-31=46 Exploring Operation: 31+62=93, Resulting Numbers: [77, 93] Generated Node #0,2,3: 79:[77, 93] Operation: 31+62=93 Exploring Operation: 31+77=108, Resulting Numbers: [62, 108] Generated Node #0,2,4: 79:[62, 108] Operation: 31+77=108 Moving to Node #0,2,3 Current State: 79:[77, 93], Operations: ['32+30=62', '31+62=93'] Exploring Operation: 77*93=7161, Resulting Numbers: [7161] 7161,79 unequal: No Solution Exploring Operation: 93-77=16, Resulting Numbers: [16] 16,79 unequal: No Solution Exploring Operation: 77+93=170, Resulting Numbers: [170] 170,79 unequal: No Solution Moving to Node #0,2,4 Current State: 79:[62, 108], Operations: ['32+30=62', '31+77=108'] Exploring Operation: 62*108=6696, Resulting Numbers: [6696] 6696,79 unequal: No Solution Exploring Operation: 62+108=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 108-62=46, Resulting Numbers: [46] 46,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[77, 31], Operations: ['32+30=62', '62-31=31'] Exploring Operation: 77*31=2387, Resulting Numbers: [2387] 2387,79 unequal: No Solution Exploring Operation: 77-31=46, Resulting Numbers: [46] 46,79 unequal: No Solution Exploring Operation: 77+31=108, Resulting Numbers: [108] 108,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[62, 46], Operations: ['32+30=62', '77-31=46'] Exploring Operation: 62-46=16, Resulting Numbers: [16] 16,79 unequal: No Solution Exploring Operation: 62*46=2852, Resulting Numbers: [2852] 2852,79 unequal: No Solution Exploring Operation: 62+46=108, Resulting Numbers: [108] 108,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[77, 2], Operations: ['32+30=62', '62/31=2'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,79 unequal: No Solution Exploring Operation: 77*2=154, Resulting Numbers: [154] 154,79 unequal: No Solution Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[31, 77, 32, 30], Operations: [] Exploring Operation: 32+30=62, Resulting Numbers: [31, 77, 62] Generated Node #0,2: 79:[31, 77, 62] Operation: 32+30=62 Moving to Node #0,2 Current State: 79:[31, 77, 62], Operations: ['32+30=62'] Exploring Operation: 62/31=2, Resulting Numbers: [77, 2] Generated Node #0,2,1: 79:[77, 2] Operation: 62/31=2 Moving to Node #0,2,1 Current State: 79:[77, 2], Operations: ['32+30=62', '62/31=2'] Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.940104
hs_5
sum_heuristic
[ 45, 21, 24, 83 ]
97
[ "24*83=1992", "45+1992=2037", "2037/21=97" ]
Current State: 97:[45, 21, 24, 83], Operations: [] Exploring Operation: 24*83=1992, Resulting Numbers: [45, 21, 1992] Generated Node #2: [45, 21, 1992] from Operation: 24*83=1992 Current State: 97:[45, 21, 1992], Operations: ['24*83=1992'] Exploring Operation: 45+1992=2037, Resulting Numbers: [21, 2037] Generated Node #3: [21, 2037] from Operation: 45+1992=2037 Current State: 97:[21, 2037], Operations: ['24*83=1992', '45+1992=2037'] Exploring Operation: 2037/21=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[45, 21, 24, 83], Operations: [] Exploring Operation: 45+21=66, Resulting Numbers: [24, 83, 66] Generated Node #0,0: 97:[24, 83, 66] Operation: 45+21=66 Exploring Operation: 45+24=69, Resulting Numbers: [21, 83, 69] Generated Node #0,1: 97:[21, 83, 69] Operation: 45+24=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[24, 83, 66], Operations: ['45+21=66'] Exploring Operation: 24+66=90, Resulting Numbers: [83, 90] Generated Node #0,0,0: 97:[83, 90] Operation: 24+66=90 Exploring Operation: 24+83=107, Resulting Numbers: [66, 107] Generated Node #0,0,1: 97:[66, 107] Operation: 24+83=107 Moving to Node #0,0,0 Current State: 97:[83, 90], Operations: ['45+21=66', '24+66=90'] Exploring Operation: 83+90=173, Resulting Numbers: [173] 173,97 unequal: No Solution Exploring Operation: 90-83=7, Resulting Numbers: [7] 7,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[66, 107], Operations: ['45+21=66', '24+83=107'] Exploring Operation: 66+107=173, Resulting Numbers: [173] 173,97 unequal: No Solution Exploring Operation: 107-66=41, Resulting Numbers: [41] 41,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[21, 83, 69], Operations: ['45+24=69'] Exploring Operation: 21+83=104, Resulting Numbers: [69, 104] Generated Node #0,1,0: 97:[69, 104] Operation: 21+83=104 Exploring Operation: 21+69=90, Resulting Numbers: [83, 90] Generated Node #0,1,1: 97:[83, 90] Operation: 21+69=90 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 97:[83, 90], Operations: ['45+24=69', '21+69=90'] Exploring Operation: 90-83=7, Resulting Numbers: [7] 7,97 unequal: No Solution Exploring Operation: 83+90=173, Resulting Numbers: [173] 173,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 97:[69, 104], Operations: ['45+24=69', '21+83=104'] Exploring Operation: 69+104=173, Resulting Numbers: [173] 173,97 unequal: No Solution Exploring Operation: 104-69=35, Resulting Numbers: [35] 35,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 38, 54, 35, 25 ]
82
[ "38+54=92", "35-25=10", "92-10=82" ]
Current State: 82:[38, 54, 35, 25], Operations: [] Exploring Operation: 38+54=92, Resulting Numbers: [35, 25, 92] Generated Node #2: [35, 25, 92] from Operation: 38+54=92 Current State: 82:[35, 25, 92], Operations: ['38+54=92'] Exploring Operation: 35-25=10, Resulting Numbers: [92, 10] Generated Node #3: [92, 10] from Operation: 35-25=10 Current State: 82:[92, 10], Operations: ['38+54=92', '35-25=10'] Exploring Operation: 92-10=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[38, 54, 35, 25], Operations: [] Exploring Operation: 54+25=79, Resulting Numbers: [38, 35, 79] Generated Node #0,0: 82:[38, 35, 79] Operation: 54+25=79 Exploring Operation: 54-25=29, Resulting Numbers: [38, 35, 29] Generated Node #0,1: 82:[38, 35, 29] Operation: 54-25=29 Exploring Operation: 38-35=3, Resulting Numbers: [54, 25, 3] Generated Node #0,2: 82:[54, 25, 3] Operation: 38-35=3 Exploring Operation: 35-25=10, Resulting Numbers: [38, 54, 10] Generated Node #0,3: 82:[38, 54, 10] Operation: 35-25=10 Exploring Operation: 54+35=89, Resulting Numbers: [38, 25, 89] Generated Node #0,4: 82:[38, 25, 89] Operation: 54+35=89 Moving to Node #0,0 Current State: 82:[38, 35, 79], Operations: ['54+25=79'] Exploring Operation: 38+35=73, Resulting Numbers: [79, 73] Generated Node #0,0,0: 82:[79, 73] Operation: 38+35=73 Exploring Operation: 79-38=41, Resulting Numbers: [35, 41] Generated Node #0,0,1: 82:[35, 41] Operation: 79-38=41 Exploring Operation: 38-35=3, Resulting Numbers: [79, 3] Generated Node #0,0,2: 82:[79, 3] Operation: 38-35=3 Exploring Operation: 79-35=44, Resulting Numbers: [38, 44] Generated Node #0,0,3: 82:[38, 44] Operation: 79-35=44 Exploring Operation: 35+79=114, Resulting Numbers: [38, 114] Generated Node #0,0,4: 82:[38, 114] Operation: 35+79=114 Moving to Node #0,1 Current State: 82:[38, 35, 29], Operations: ['54-25=29'] Exploring Operation: 38+29=67, Resulting Numbers: [35, 67] Generated Node #0,1,0: 82:[35, 67] Operation: 38+29=67 Exploring Operation: 38-35=3, Resulting Numbers: [29, 3] Generated Node #0,1,1: 82:[29, 3] Operation: 38-35=3 Exploring Operation: 38+35=73, Resulting Numbers: [29, 73] Generated Node #0,1,2: 82:[29, 73] Operation: 38+35=73 Exploring Operation: 35-29=6, Resulting Numbers: [38, 6] Generated Node #0,1,3: 82:[38, 6] Operation: 35-29=6 Exploring Operation: 38-29=9, Resulting Numbers: [35, 9] Generated Node #0,1,4: 82:[35, 9] Operation: 38-29=9 Moving to Node #0,3 Current State: 82:[38, 54, 10], Operations: ['35-25=10'] Exploring Operation: 38+10=48, Resulting Numbers: [54, 48] Generated Node #0,3,0: 82:[54, 48] Operation: 38+10=48 Exploring Operation: 38+54=92, Resulting Numbers: [10, 92] Generated Node #0,3,1: 82:[10, 92] Operation: 38+54=92 Exploring Operation: 54-38=16, Resulting Numbers: [10, 16] Generated Node #0,3,2: 82:[10, 16] Operation: 54-38=16 Exploring Operation: 54-10=44, Resulting Numbers: [38, 44] Generated Node #0,3,3: 82:[38, 44] Operation: 54-10=44 Exploring Operation: 54+10=64, Resulting Numbers: [38, 64] Generated Node #0,3,4: 82:[38, 64] Operation: 54+10=64 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 82:[38, 44], Operations: ['35-25=10', '54-10=44'] Exploring Operation: 38*44=1672, Resulting Numbers: [1672] 1672,82 unequal: No Solution Exploring Operation: 38+44=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[38, 54, 35, 25], Operations: [] Exploring Operation: 35-25=10, Resulting Numbers: [38, 54, 10] Generated Node #0,3: 82:[38, 54, 10] Operation: 35-25=10 Moving to Node #0,3 Current State: 82:[38, 54, 10], Operations: ['35-25=10'] Exploring Operation: 54-10=44, Resulting Numbers: [38, 44] Generated Node #0,3,3: 82:[38, 44] Operation: 54-10=44 Moving to Node #0,3,3 Current State: 82:[38, 44], Operations: ['35-25=10', '54-10=44'] Exploring Operation: 38+44=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
sum_heuristic
[ 52, 77, 24, 12 ]
11
[ "77-52=25", "24+12=36", "36-25=11" ]
Current State: 11:[52, 77, 24, 12], Operations: [] Exploring Operation: 77-52=25, Resulting Numbers: [24, 12, 25] Generated Node #2: [24, 12, 25] from Operation: 77-52=25 Current State: 11:[24, 12, 25], Operations: ['77-52=25'] Exploring Operation: 24+12=36, Resulting Numbers: [25, 36] Generated Node #3: [25, 36] from Operation: 24+12=36 Current State: 11:[25, 36], Operations: ['77-52=25', '24+12=36'] Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[52, 77, 24, 12], Operations: [] Exploring Operation: 77-52=25, Resulting Numbers: [24, 12, 25] Generated Node #0,0: 11:[24, 12, 25] Operation: 77-52=25 Exploring Operation: 52-24=28, Resulting Numbers: [77, 12, 28] Generated Node #0,1: 11:[77, 12, 28] Operation: 52-24=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[24, 12, 25], Operations: ['77-52=25'] Exploring Operation: 25-24=1, Resulting Numbers: [12, 1] Generated Node #0,0,0: 11:[12, 1] Operation: 25-24=1 Exploring Operation: 24-12=12, Resulting Numbers: [25, 12] Generated Node #0,0,1: 11:[25, 12] Operation: 24-12=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[12, 1], Operations: ['77-52=25', '25-24=1'] Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[52, 77, 24, 12], Operations: [] Exploring Operation: 77-52=25, Resulting Numbers: [24, 12, 25] Generated Node #0,0: 11:[24, 12, 25] Operation: 77-52=25 Moving to Node #0,0 Current State: 11:[24, 12, 25], Operations: ['77-52=25'] Exploring Operation: 25-24=1, Resulting Numbers: [12, 1] Generated Node #0,0,0: 11:[12, 1] Operation: 25-24=1 Moving to Node #0,0,0 Current State: 11:[12, 1], Operations: ['77-52=25', '25-24=1'] Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 65, 81, 64, 43 ]
91
[ "81-65=16", "64+43=107", "107-16=91" ]
Current State: 91:[65, 81, 64, 43], Operations: [] Exploring Operation: 81-65=16, Resulting Numbers: [64, 43, 16] Generated Node #2: [64, 43, 16] from Operation: 81-65=16 Current State: 91:[64, 43, 16], Operations: ['81-65=16'] Exploring Operation: 64+43=107, Resulting Numbers: [16, 107] Generated Node #3: [16, 107] from Operation: 64+43=107 Current State: 91:[16, 107], Operations: ['81-65=16', '64+43=107'] Exploring Operation: 107-16=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[65, 81, 64, 43], Operations: [] Exploring Operation: 64-43=21, Resulting Numbers: [65, 81, 21] Generated Node #0,0: 91:[65, 81, 21] Operation: 64-43=21 Exploring Operation: 65-64=1, Resulting Numbers: [81, 43, 1] Generated Node #0,1: 91:[81, 43, 1] Operation: 65-64=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[65, 81, 21], Operations: ['64-43=21'] Exploring Operation: 65+21=86, Resulting Numbers: [81, 86] Generated Node #0,0,0: 91:[81, 86] Operation: 65+21=86 Exploring Operation: 81-65=16, Resulting Numbers: [21, 16] Generated Node #0,0,1: 91:[21, 16] Operation: 81-65=16 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 91:[21, 16], Operations: ['64-43=21', '81-65=16'] Exploring Operation: 21+16=37, Resulting Numbers: [37] 37,91 unequal: No Solution Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,91 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:[81, 86], Operations: ['64-43=21', '65+21=86'] Exploring Operation: 86-81=5, Resulting Numbers: [5] 5,91 unequal: No Solution Exploring Operation: 81+86=167, Resulting Numbers: [167] 167,91 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 #0,1 Current State: 91:[81, 43, 1], Operations: ['65-64=1'] Exploring Operation: 81+43=124, Resulting Numbers: [1, 124] Generated Node #0,1,0: 91:[1, 124] Operation: 81+43=124 Exploring Operation: 81-43=38, Resulting Numbers: [1, 38] Generated Node #0,1,1: 91:[1, 38] Operation: 81-43=38 Moving to Node #0,1,1 Current State: 91:[1, 38], Operations: ['65-64=1', '81-43=38'] Exploring Operation: 1*38=38, Resulting Numbers: [38] 38,91 unequal: No Solution Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[1, 124], Operations: ['65-64=1', '81+43=124'] Exploring Operation: 1*124=124, Resulting Numbers: [124] 124,91 unequal: No Solution Exploring Operation: 124-1=123, Resulting Numbers: [123] 123,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 13, 79, 12, 14 ]
33
[ "79-13=66", "14-12=2", "66/2=33" ]
Current State: 33:[13, 79, 12, 14], Operations: [] Exploring Operation: 79-13=66, Resulting Numbers: [12, 14, 66] Generated Node #2: [12, 14, 66] from Operation: 79-13=66 Current State: 33:[12, 14, 66], Operations: ['79-13=66'] Exploring Operation: 14-12=2, Resulting Numbers: [66, 2] Generated Node #3: [66, 2] from Operation: 14-12=2 Current State: 33:[66, 2], Operations: ['79-13=66', '14-12=2'] Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[13, 79, 12, 14], Operations: [] Exploring Operation: 79-14=65, Resulting Numbers: [13, 12, 65] Generated Node #0,0: 33:[13, 12, 65] Operation: 79-14=65 Exploring Operation: 79-12=67, Resulting Numbers: [13, 14, 67] Generated Node #0,1: 33:[13, 14, 67] Operation: 79-12=67 Exploring Operation: 14-13=1, Resulting Numbers: [79, 12, 1] Generated Node #0,2: 33:[79, 12, 1] Operation: 14-13=1 Exploring Operation: 14-12=2, Resulting Numbers: [13, 79, 2] Generated Node #0,3: 33:[13, 79, 2] Operation: 14-12=2 Exploring Operation: 79-13=66, Resulting Numbers: [12, 14, 66] Generated Node #0,4: 33:[12, 14, 66] Operation: 79-13=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[13, 12, 65], Operations: ['79-14=65'] Exploring Operation: 65-13=52, Resulting Numbers: [12, 52] Generated Node #0,0,0: 33:[12, 52] Operation: 65-13=52 Exploring Operation: 65/13=5, Resulting Numbers: [12, 5] Generated Node #0,0,1: 33:[12, 5] Operation: 65/13=5 Exploring Operation: 13+12=25, Resulting Numbers: [65, 25] Generated Node #0,0,2: 33:[65, 25] Operation: 13+12=25 Exploring Operation: 65-12=53, Resulting Numbers: [13, 53] Generated Node #0,0,3: 33:[13, 53] Operation: 65-12=53 Exploring Operation: 13-12=1, Resulting Numbers: [65, 1] Generated Node #0,0,4: 33:[65, 1] Operation: 13-12=1 Moving to Node #0,0,1 Current State: 33:[12, 5], Operations: ['79-14=65', '65/13=5'] Exploring Operation: 12*5=60, Resulting Numbers: [60] 60,33 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,33 unequal: No Solution Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,33 unequal: No Solution Moving to Node #0,0,0 Current State: 33:[12, 52], Operations: ['79-14=65', '65-13=52'] Exploring Operation: 12*52=624, Resulting Numbers: [624] 624,33 unequal: No Solution Exploring Operation: 52-12=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 12+52=64, Resulting Numbers: [64] 64,33 unequal: No Solution Moving to Node #0,0,3 Current State: 33:[13, 53], Operations: ['79-14=65', '65-12=53'] Exploring Operation: 13+53=66, Resulting Numbers: [66] 66,33 unequal: No Solution Exploring Operation: 13*53=689, Resulting Numbers: [689] 689,33 unequal: No Solution Exploring Operation: 53-13=40, Resulting Numbers: [40] 40,33 unequal: No Solution Moving to Node #0,0,4 Current State: 33:[65, 1], Operations: ['79-14=65', '13-12=1'] Exploring Operation: 65+1=66, Resulting Numbers: [66] 66,33 unequal: No Solution Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,33 unequal: No Solution Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,33 unequal: No Solution Exploring Operation: 65*1=65, Resulting Numbers: [65] 65,33 unequal: No Solution Moving to Node #0,0,2 Current State: 33:[65, 25], Operations: ['79-14=65', '13+12=25'] Exploring Operation: 65*25=1625, Resulting Numbers: [1625] 1625,33 unequal: No Solution Exploring Operation: 65-25=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 65+25=90, Resulting Numbers: [90] 90,33 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 #0,4 Current State: 33:[12, 14, 66], Operations: ['79-13=66'] Exploring Operation: 66-14=52, Resulting Numbers: [12, 52] Generated Node #0,4,0: 33:[12, 52] Operation: 66-14=52 Exploring Operation: 12+14=26, Resulting Numbers: [66, 26] Generated Node #0,4,1: 33:[66, 26] Operation: 12+14=26 Exploring Operation: 66-12=54, Resulting Numbers: [14, 54] Generated Node #0,4,2: 33:[14, 54] Operation: 66-12=54 Exploring Operation: 14-12=2, Resulting Numbers: [66, 2] Generated Node #0,4,3: 33:[66, 2] Operation: 14-12=2 Exploring Operation: 12+66=78, Resulting Numbers: [14, 78] Generated Node #0,4,4: 33:[14, 78] Operation: 12+66=78 Moving to Node #0,4,0 Current State: 33:[12, 52], Operations: ['79-13=66', '66-14=52'] Exploring Operation: 52-12=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 12*52=624, Resulting Numbers: [624] 624,33 unequal: No Solution Exploring Operation: 12+52=64, Resulting Numbers: [64] 64,33 unequal: No Solution Moving to Node #0,4,2 Current State: 33:[14, 54], Operations: ['79-13=66', '66-12=54'] Exploring Operation: 54-14=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 14*54=756, Resulting Numbers: [756] 756,33 unequal: No Solution Exploring Operation: 14+54=68, Resulting Numbers: [68] 68,33 unequal: No Solution Moving to Node #0,4,3 Current State: 33:[66, 2], Operations: ['79-13=66', '14-12=2'] Exploring Operation: 66*2=132, Resulting Numbers: [132] 132,33 unequal: No Solution Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[13, 79, 12, 14], Operations: [] Exploring Operation: 79-13=66, Resulting Numbers: [12, 14, 66] Generated Node #0,4: 33:[12, 14, 66] Operation: 79-13=66 Moving to Node #0,4 Current State: 33:[12, 14, 66], Operations: ['79-13=66'] Exploring Operation: 14-12=2, Resulting Numbers: [66, 2] Generated Node #0,4,3: 33:[66, 2] Operation: 14-12=2 Moving to Node #0,4,3 Current State: 33:[66, 2], Operations: ['79-13=66', '14-12=2'] Exploring Operation: 66/2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_5
sum_heuristic
[ 93, 64, 32, 8 ]
81
[ "64+32=96", "96/8=12", "93-12=81" ]
Current State: 81:[93, 64, 32, 8], Operations: [] Exploring Operation: 64+32=96, Resulting Numbers: [93, 8, 96] Generated Node #2: [93, 8, 96] from Operation: 64+32=96 Current State: 81:[93, 8, 96], Operations: ['64+32=96'] Exploring Operation: 96/8=12, Resulting Numbers: [93, 12] Generated Node #3: [93, 12] from Operation: 96/8=12 Current State: 81:[93, 12], Operations: ['64+32=96', '96/8=12'] Exploring Operation: 93-12=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[93, 64, 32, 8], Operations: [] Exploring Operation: 64/32=2, Resulting Numbers: [93, 8, 2] Generated Node #0,0: 81:[93, 8, 2] Operation: 64/32=2 Exploring Operation: 93-64=29, Resulting Numbers: [32, 8, 29] Generated Node #0,1: 81:[32, 8, 29] Operation: 93-64=29 Exploring Operation: 64-32=32, Resulting Numbers: [93, 8, 32] Generated Node #0,2: 81:[93, 8, 32] Operation: 64-32=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[32, 8, 29], Operations: ['93-64=29'] Exploring Operation: 32-8=24, Resulting Numbers: [29, 24] Generated Node #0,1,0: 81:[29, 24] Operation: 32-8=24 Exploring Operation: 32-29=3, Resulting Numbers: [8, 3] Generated Node #0,1,1: 81:[8, 3] Operation: 32-29=3 Exploring Operation: 32/8=4, Resulting Numbers: [29, 4] Generated Node #0,1,2: 81:[29, 4] Operation: 32/8=4 Moving to Node #0,1,1 Current State: 81:[8, 3], Operations: ['93-64=29', '32-29=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,81 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[29, 4], Operations: ['93-64=29', '32/8=4'] Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,81 unequal: No Solution Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,81 unequal: No Solution Exploring Operation: 29*4=116, Resulting Numbers: [116] 116,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[29, 24], Operations: ['93-64=29', '32-8=24'] Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 29*24=696, Resulting Numbers: [696] 696,81 unequal: No Solution Exploring Operation: 29+24=53, Resulting Numbers: [53] 53,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[93, 8, 2], Operations: ['64/32=2'] Exploring Operation: 93-8=85, Resulting Numbers: [2, 85] Generated Node #0,0,0: 81:[2, 85] Operation: 93-8=85 Exploring Operation: 93-2=91, Resulting Numbers: [8, 91] Generated Node #0,0,1: 81:[8, 91] Operation: 93-2=91 Exploring Operation: 8+2=10, Resulting Numbers: [93, 10] Generated Node #0,0,2: 81:[93, 10] Operation: 8+2=10 Moving to Node #0,0,0 Current State: 81:[2, 85], Operations: ['64/32=2', '93-8=85'] Exploring Operation: 2+85=87, Resulting Numbers: [87] 87,81 unequal: No Solution Exploring Operation: 2*85=170, Resulting Numbers: [170] 170,81 unequal: No Solution Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[8, 91], Operations: ['64/32=2', '93-2=91'] Exploring Operation: 8*91=728, Resulting Numbers: [728] 728,81 unequal: No Solution Exploring Operation: 91-8=83, Resulting Numbers: [83] 83,81 unequal: No Solution Exploring Operation: 8+91=99, Resulting Numbers: [99] 99,81 unequal: No Solution Moving to Node #0,0,2 Current State: 81:[93, 10], Operations: ['64/32=2', '8+2=10'] Exploring Operation: 93-10=83, Resulting Numbers: [83] 83,81 unequal: No Solution Exploring Operation: 93*10=930, Resulting Numbers: [930] 930,81 unequal: No Solution Exploring Operation: 93+10=103, Resulting Numbers: [103] 103,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[93, 8, 32], Operations: ['64-32=32'] Exploring Operation: 32-8=24, Resulting Numbers: [93, 24] Generated Node #0,2,0: 81:[93, 24] Operation: 32-8=24 Exploring Operation: 32/8=4, Resulting Numbers: [93, 4] Generated Node #0,2,1: 81:[93, 4] Operation: 32/8=4 Exploring Operation: 93-8=85, Resulting Numbers: [32, 85] Generated Node #0,2,2: 81:[32, 85] Operation: 93-8=85 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 81:[32, 85], Operations: ['64-32=32', '93-8=85'] Exploring Operation: 32+85=117, Resulting Numbers: [117] 117,81 unequal: No Solution Exploring Operation: 32*85=2720, Resulting Numbers: [2720] 2720,81 unequal: No Solution Exploring Operation: 85-32=53, Resulting Numbers: [53] 53,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 81:[93, 4], Operations: ['64-32=32', '32/8=4'] Exploring Operation: 93+4=97, Resulting Numbers: [97] 97,81 unequal: No Solution Exploring Operation: 93-4=89, Resulting Numbers: [89] 89,81 unequal: No Solution Exploring Operation: 93*4=372, Resulting Numbers: [372] 372,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 81:[93, 24], Operations: ['64-32=32', '32-8=24'] Exploring Operation: 93*24=2232, Resulting Numbers: [2232] 2232,81 unequal: No Solution Exploring Operation: 93-24=69, Resulting Numbers: [69] 69,81 unequal: No Solution Exploring Operation: 93+24=117, Resulting Numbers: [117] 117,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 3, 57, 58, 65 ]
80
[ "3*65=195", "57+58=115", "195-115=80" ]
Current State: 80:[3, 57, 58, 65], Operations: [] Exploring Operation: 3*65=195, Resulting Numbers: [57, 58, 195] Generated Node #2: [57, 58, 195] from Operation: 3*65=195 Current State: 80:[57, 58, 195], Operations: ['3*65=195'] Exploring Operation: 57+58=115, Resulting Numbers: [195, 115] Generated Node #3: [195, 115] from Operation: 57+58=115 Current State: 80:[195, 115], Operations: ['3*65=195', '57+58=115'] Exploring Operation: 195-115=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[3, 57, 58, 65], Operations: [] Exploring Operation: 58-57=1, Resulting Numbers: [3, 65, 1] Generated Node #0,0: 80:[3, 65, 1] Operation: 58-57=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[3, 65, 1], Operations: ['58-57=1'] Exploring Operation: 3+65=68, Resulting Numbers: [1, 68] Generated Node #0,0,0: 80:[1, 68] Operation: 3+65=68 Moving to Node #0,0,0 Current State: 80:[1, 68], Operations: ['58-57=1', '3+65=68'] Exploring Operation: 1+68=69, Resulting Numbers: [69] 69,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 65, 53, 24, 65 ]
53
[ "65-53=12", "65-24=41", "12+41=53" ]
Current State: 53:[65, 53, 24, 65], Operations: [] Exploring Operation: 65-53=12, Resulting Numbers: [24, 12] Generated Node #2: [24, 12] from Operation: 65-53=12 Current State: 53:[24, 12], Operations: ['65-53=12'] Exploring Operation: 65-24=41, Resulting Numbers: [12, 41] Generated Node #3: [12, 41] from Operation: 65-24=41 Current State: 53:[12, 41], Operations: ['65-53=12', '65-24=41'] Exploring Operation: 12+41=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[65, 53, 24, 65], Operations: [] Exploring Operation: 65-24=41, Resulting Numbers: [53, 65, 41] Generated Node #0,0: 53:[53, 65, 41] Operation: 65-24=41 Exploring Operation: 65-24=41, Resulting Numbers: [65, 53, 41] Generated Node #0,1: 53:[65, 53, 41] Operation: 65-24=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[53, 65, 41], Operations: ['65-24=41'] Exploring Operation: 65-41=24, Resulting Numbers: [53, 24] Generated Node #0,0,0: 53:[53, 24] Operation: 65-41=24 Exploring Operation: 65-53=12, Resulting Numbers: [41, 12] Generated Node #0,0,1: 53:[41, 12] Operation: 65-53=12 Moving to Node #0,0,0 Current State: 53:[53, 24], Operations: ['65-24=41', '65-41=24'] Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,53 unequal: No Solution Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[41, 12], Operations: ['65-24=41', '65-53=12'] Exploring Operation: 41+12=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[65, 53, 24, 65], Operations: [] Exploring Operation: 65-24=41, Resulting Numbers: [53, 65, 41] Generated Node #0,0: 53:[53, 65, 41] Operation: 65-24=41 Moving to Node #0,0 Current State: 53:[53, 65, 41], Operations: ['65-24=41'] Exploring Operation: 65-53=12, Resulting Numbers: [41, 12] Generated Node #0,0,1: 53:[41, 12] Operation: 65-53=12 Moving to Node #0,0,1 Current State: 53:[41, 12], Operations: ['65-24=41', '65-53=12'] Exploring Operation: 41+12=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 47, 69, 61, 21 ]
61
[ "69-47=22", "22-21=1", "61*1=61" ]
Current State: 61:[47, 69, 61, 21], Operations: [] Exploring Operation: 69-47=22, Resulting Numbers: [61, 21, 22] Generated Node #2: [61, 21, 22] from Operation: 69-47=22 Current State: 61:[61, 21, 22], Operations: ['69-47=22'] Exploring Operation: 22-21=1, Resulting Numbers: [61, 1] Generated Node #3: [61, 1] from Operation: 22-21=1 Current State: 61:[61, 1], Operations: ['69-47=22', '22-21=1'] Exploring Operation: 61*1=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[47, 69, 61, 21], Operations: [] Exploring Operation: 47+21=68, Resulting Numbers: [69, 61, 68] Generated Node #0,0: 61:[69, 61, 68] Operation: 47+21=68 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[69, 61, 68], Operations: ['47+21=68'] Exploring Operation: 69-61=8, Resulting Numbers: [68, 8] Generated Node #0,0,0: 61:[68, 8] Operation: 69-61=8 Moving to Node #0,0,0 Current State: 61:[68, 8], Operations: ['47+21=68', '69-61=8'] Exploring Operation: 68-8=60, Resulting Numbers: [60] 60,61 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
[ 19, 35, 90, 49 ]
57
[ "35-19=16", "90-49=41", "16+41=57" ]
Current State: 57:[19, 35, 90, 49], Operations: [] Exploring Operation: 35-19=16, Resulting Numbers: [90, 49, 16] Generated Node #2: [90, 49, 16] from Operation: 35-19=16 Current State: 57:[90, 49, 16], Operations: ['35-19=16'] Exploring Operation: 90-49=41, Resulting Numbers: [16, 41] Generated Node #3: [16, 41] from Operation: 90-49=41 Current State: 57:[16, 41], Operations: ['35-19=16', '90-49=41'] Exploring Operation: 16+41=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[19, 35, 90, 49], Operations: [] Exploring Operation: 90-19=71, Resulting Numbers: [35, 49, 71] Generated Node #0,0: 57:[35, 49, 71] Operation: 90-19=71 Exploring Operation: 49-35=14, Resulting Numbers: [19, 90, 14] Generated Node #0,1: 57:[19, 90, 14] Operation: 49-35=14 Exploring Operation: 90-35=55, Resulting Numbers: [19, 49, 55] Generated Node #0,2: 57:[19, 49, 55] Operation: 90-35=55 Exploring Operation: 90-49=41, Resulting Numbers: [19, 35, 41] Generated Node #0,3: 57:[19, 35, 41] Operation: 90-49=41 Moving to Node #0,2 Current State: 57:[19, 49, 55], Operations: ['90-35=55'] Exploring Operation: 19+55=74, Resulting Numbers: [49, 74] Generated Node #0,2,0: 57:[49, 74] Operation: 19+55=74 Exploring Operation: 55-49=6, Resulting Numbers: [19, 6] Generated Node #0,2,1: 57:[19, 6] Operation: 55-49=6 Exploring Operation: 49-19=30, Resulting Numbers: [55, 30] Generated Node #0,2,2: 57:[55, 30] Operation: 49-19=30 Exploring Operation: 19+49=68, Resulting Numbers: [55, 68] Generated Node #0,2,3: 57:[55, 68] Operation: 19+49=68 Moving to Node #0,3 Current State: 57:[19, 35, 41], Operations: ['90-49=41'] Exploring Operation: 35-19=16, Resulting Numbers: [41, 16] Generated Node #0,3,0: 57:[41, 16] Operation: 35-19=16 Exploring Operation: 19+35=54, Resulting Numbers: [41, 54] Generated Node #0,3,1: 57:[41, 54] Operation: 19+35=54 Exploring Operation: 19+41=60, Resulting Numbers: [35, 60] Generated Node #0,3,2: 57:[35, 60] Operation: 19+41=60 Exploring Operation: 41-35=6, Resulting Numbers: [19, 6] Generated Node #0,3,3: 57:[19, 6] Operation: 41-35=6 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 57:[19, 6], Operations: ['90-49=41', '41-35=6'] Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,57 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,57 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 57:[41, 16], Operations: ['90-49=41', '35-19=16'] Exploring Operation: 41-16=25, Resulting Numbers: [25] 25,57 unequal: No Solution Exploring Operation: 41+16=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[19, 35, 90, 49], Operations: [] Exploring Operation: 90-49=41, Resulting Numbers: [19, 35, 41] Generated Node #0,3: 57:[19, 35, 41] Operation: 90-49=41 Moving to Node #0,3 Current State: 57:[19, 35, 41], Operations: ['90-49=41'] Exploring Operation: 35-19=16, Resulting Numbers: [41, 16] Generated Node #0,3,0: 57:[41, 16] Operation: 35-19=16 Moving to Node #0,3,0 Current State: 57:[41, 16], Operations: ['90-49=41', '35-19=16'] Exploring Operation: 41+16=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 58, 60, 66, 29 ]
54
[ "58*60=3480", "3480/29=120", "120-66=54" ]
Current State: 54:[58, 60, 66, 29], Operations: [] Exploring Operation: 58*60=3480, Resulting Numbers: [66, 29, 3480] Generated Node #2: [66, 29, 3480] from Operation: 58*60=3480 Current State: 54:[66, 29, 3480], Operations: ['58*60=3480'] Exploring Operation: 3480/29=120, Resulting Numbers: [66, 120] Generated Node #3: [66, 120] from Operation: 3480/29=120 Current State: 54:[66, 120], Operations: ['58*60=3480', '3480/29=120'] Exploring Operation: 120-66=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[58, 60, 66, 29], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [66, 29, 2] Generated Node #0,0: 54:[66, 29, 2] Operation: 60-58=2 Exploring Operation: 66-60=6, Resulting Numbers: [58, 29, 6] Generated Node #0,1: 54:[58, 29, 6] Operation: 66-60=6 Exploring Operation: 58-29=29, Resulting Numbers: [60, 66, 29] Generated Node #0,2: 54:[60, 66, 29] Operation: 58-29=29 Exploring Operation: 58/29=2, Resulting Numbers: [60, 66, 2] Generated Node #0,3: 54:[60, 66, 2] Operation: 58/29=2 Exploring Operation: 66-58=8, Resulting Numbers: [60, 29, 8] Generated Node #0,4: 54:[60, 29, 8] Operation: 66-58=8 Moving to Node #0,1 Current State: 54:[58, 29, 6], Operations: ['66-60=6'] Exploring Operation: 29-6=23, Resulting Numbers: [58, 23] Generated Node #0,1,0: 54:[58, 23] Operation: 29-6=23 Exploring Operation: 58-6=52, Resulting Numbers: [29, 52] Generated Node #0,1,1: 54:[29, 52] Operation: 58-6=52 Exploring Operation: 58+6=64, Resulting Numbers: [29, 64] Generated Node #0,1,2: 54:[29, 64] Operation: 58+6=64 Exploring Operation: 58-29=29, Resulting Numbers: [6, 29] Generated Node #0,1,3: 54:[6, 29] Operation: 58-29=29 Exploring Operation: 58/29=2, Resulting Numbers: [6, 2] Generated Node #0,1,4: 54:[6, 2] Operation: 58/29=2 Moving to Node #0,4 Current State: 54:[60, 29, 8], Operations: ['66-58=8'] Exploring Operation: 60-29=31, Resulting Numbers: [8, 31] Generated Node #0,4,0: 54:[8, 31] Operation: 60-29=31 Exploring Operation: 29-8=21, Resulting Numbers: [60, 21] Generated Node #0,4,1: 54:[60, 21] Operation: 29-8=21 Exploring Operation: 60-8=52, Resulting Numbers: [29, 52] Generated Node #0,4,2: 54:[29, 52] Operation: 60-8=52 Exploring Operation: 60+8=68, Resulting Numbers: [29, 68] Generated Node #0,4,3: 54:[29, 68] Operation: 60+8=68 Exploring Operation: 29+8=37, Resulting Numbers: [60, 37] Generated Node #0,4,4: 54:[60, 37] Operation: 29+8=37 Moving to Node #0,0 Current State: 54:[66, 29, 2], Operations: ['60-58=2'] Exploring Operation: 66+2=68, Resulting Numbers: [29, 68] Generated Node #0,0,0: 54:[29, 68] Operation: 66+2=68 Exploring Operation: 66-29=37, Resulting Numbers: [2, 37] Generated Node #0,0,1: 54:[2, 37] Operation: 66-29=37 Exploring Operation: 66-2=64, Resulting Numbers: [29, 64] Generated Node #0,0,2: 54:[29, 64] Operation: 66-2=64 Exploring Operation: 29-2=27, Resulting Numbers: [66, 27] Generated Node #0,0,3: 54:[66, 27] Operation: 29-2=27 Exploring Operation: 66/2=33, Resulting Numbers: [29, 33] Generated Node #0,0,4: 54:[29, 33] Operation: 66/2=33 Moving to Node #0,3 Current State: 54:[60, 66, 2], Operations: ['58/29=2'] Exploring Operation: 60-2=58, Resulting Numbers: [66, 58] Generated Node #0,3,0: 54:[66, 58] Operation: 60-2=58 Exploring Operation: 66-2=64, Resulting Numbers: [60, 64] Generated Node #0,3,1: 54:[60, 64] Operation: 66-2=64 Exploring Operation: 60/2=30, Resulting Numbers: [66, 30] Generated Node #0,3,2: 54:[66, 30] Operation: 60/2=30 Exploring Operation: 66/2=33, Resulting Numbers: [60, 33] Generated Node #0,3,3: 54:[60, 33] Operation: 66/2=33 Exploring Operation: 66-60=6, Resulting Numbers: [2, 6] Generated Node #0,3,4: 54:[2, 6] Operation: 66-60=6 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 54:[2, 6], Operations: ['58/29=2', '66-60=6'] Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,54 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,54 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 54:[60, 33], Operations: ['58/29=2', '66/2=33'] Exploring Operation: 60-33=27, Resulting Numbers: [27] 27,54 unequal: No Solution Exploring Operation: 60+33=93, Resulting Numbers: [93] 93,54 unequal: No Solution Exploring Operation: 60*33=1980, Resulting Numbers: [1980] 1980,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 54:[66, 30], Operations: ['58/29=2', '60/2=30'] Exploring Operation: 66-30=36, Resulting Numbers: [36] 36,54 unequal: No Solution Exploring Operation: 66*30=1980, Resulting Numbers: [1980] 1980,54 unequal: No Solution Exploring Operation: 66+30=96, Resulting Numbers: [96] 96,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 54:[66, 58], Operations: ['58/29=2', '60-2=58'] Exploring Operation: 66*58=3828, Resulting Numbers: [3828] 3828,54 unequal: No Solution Exploring Operation: 66-58=8, Resulting Numbers: [8] 8,54 unequal: No Solution Exploring Operation: 66+58=124, Resulting Numbers: [124] 124,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 54:[60, 64], Operations: ['58/29=2', '66-2=64'] Exploring Operation: 60+64=124, Resulting Numbers: [124] 124,54 unequal: No Solution Exploring Operation: 64-60=4, Resulting Numbers: [4] 4,54 unequal: No Solution Exploring Operation: 60*64=3840, Resulting Numbers: [3840] 3840,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 54:[60, 66, 29], Operations: ['58-29=29'] Exploring Operation: 60-29=31, Resulting Numbers: [66, 31] Generated Node #0,2,0: 54:[66, 31] Operation: 60-29=31 Exploring Operation: 66+29=95, Resulting Numbers: [60, 95] Generated Node #0,2,1: 54:[60, 95] Operation: 66+29=95 Exploring Operation: 66-29=37, Resulting Numbers: [60, 37] Generated Node #0,2,2: 54:[60, 37] Operation: 66-29=37 Exploring Operation: 60+29=89, Resulting Numbers: [66, 89] Generated Node #0,2,3: 54:[66, 89] Operation: 60+29=89 Exploring Operation: 66-60=6, Resulting Numbers: [29, 6] Generated Node #0,2,4: 54:[29, 6] Operation: 66-60=6 Moving to Node #0,1,4 Current State: 54:[6, 2], Operations: ['66-60=6', '58/29=2'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,54 unequal: No Solution Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,54 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,54 unequal: No Solution Moving to Node #0,1,3 Current State: 54:[6, 29], Operations: ['66-60=6', '58-29=29'] Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,54 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,54 unequal: No Solution Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,54 unequal: No Solution Moving to Node #0,2,4 Current State: 54:[29, 6], Operations: ['58-29=29', '66-60=6'] Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,54 unequal: No Solution Exploring Operation: 29*6=174, Resulting Numbers: [174] 174,54 unequal: No Solution Exploring Operation: 29+6=35, Resulting Numbers: [35] 35,54 unequal: No Solution Moving to Node #0,1,1 Current State: 54:[29, 52], Operations: ['66-60=6', '58-6=52'] Exploring Operation: 52-29=23, Resulting Numbers: [23] 23,54 unequal: No Solution Exploring Operation: 29+52=81, Resulting Numbers: [81] 81,54 unequal: No Solution Exploring Operation: 29*52=1508, Resulting Numbers: [1508] 1508,54 unequal: No Solution Moving to Node #0,4,2 Current State: 54:[29, 52], Operations: ['66-58=8', '60-8=52'] Exploring Operation: 52-29=23, Resulting Numbers: [23] 23,54 unequal: No Solution Exploring Operation: 29*52=1508, Resulting Numbers: [1508] 1508,54 unequal: No Solution Exploring Operation: 29+52=81, Resulting Numbers: [81] 81,54 unequal: No Solution Moving to Node #0,4,0 Current State: 54:[8, 31], Operations: ['66-58=8', '60-29=31'] Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,54 unequal: No Solution Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,54 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,54 unequal: No Solution Moving to Node #0,0,4 Current State: 54:[29, 33], Operations: ['60-58=2', '66/2=33'] Exploring Operation: 29*33=957, Resulting Numbers: [957] 957,54 unequal: No Solution Exploring Operation: 29+33=62, Resulting Numbers: [62] 62,54 unequal: No Solution Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,54 unequal: No Solution Moving to Node #0,1,0 Current State: 54:[58, 23], Operations: ['66-60=6', '29-6=23'] Exploring Operation: 58+23=81, Resulting Numbers: [81] 81,54 unequal: No Solution Exploring Operation: 58*23=1334, Resulting Numbers: [1334] 1334,54 unequal: No Solution Exploring Operation: 58-23=35, Resulting Numbers: [35] 35,54 unequal: No Solution Moving to Node #0,4,1 Current State: 54:[60, 21], Operations: ['66-58=8', '29-8=21'] Exploring Operation: 60+21=81, Resulting Numbers: [81] 81,54 unequal: No Solution Exploring Operation: 60-21=39, Resulting Numbers: [39] 39,54 unequal: No Solution Exploring Operation: 60*21=1260, Resulting Numbers: [1260] 1260,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[2, 37], Operations: ['60-58=2', '66-29=37'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,54 unequal: No Solution Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,54 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,54 unequal: No Solution Moving to Node #0,0,3 Current State: 54:[66, 27], Operations: ['60-58=2', '29-2=27'] Exploring Operation: 66+27=93, Resulting Numbers: [93] 93,54 unequal: No Solution Exploring Operation: 66-27=39, Resulting Numbers: [39] 39,54 unequal: No Solution Exploring Operation: 66*27=1782, Resulting Numbers: [1782] 1782,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[29, 64], Operations: ['60-58=2', '66-2=64'] Exploring Operation: 29*64=1856, Resulting Numbers: [1856] 1856,54 unequal: No Solution Exploring Operation: 64-29=35, Resulting Numbers: [35] 35,54 unequal: No Solution Exploring Operation: 29+64=93, Resulting Numbers: [93] 93,54 unequal: No Solution Moving to Node #0,1,2 Current State: 54:[29, 64], Operations: ['66-60=6', '58+6=64'] Exploring Operation: 64-29=35, Resulting Numbers: [35] 35,54 unequal: No Solution Exploring Operation: 29*64=1856, Resulting Numbers: [1856] 1856,54 unequal: No Solution Exploring Operation: 29+64=93, Resulting Numbers: [93] 93,54 unequal: No Solution Moving to Node #0,2,2 Current State: 54:[60, 37], Operations: ['58-29=29', '66-29=37'] Exploring Operation: 60+37=97, Resulting Numbers: [97] 97,54 unequal: No Solution Exploring Operation: 60-37=23, Resulting Numbers: [23] 23,54 unequal: No Solution Exploring Operation: 60*37=2220, Resulting Numbers: [2220] 2220,54 unequal: No Solution Moving to Node #0,0,0 Current State: 54:[29, 68], Operations: ['60-58=2', '66+2=68'] Exploring Operation: 29*68=1972, Resulting Numbers: [1972] 1972,54 unequal: No Solution Exploring Operation: 68-29=39, Resulting Numbers: [39] 39,54 unequal: No Solution Exploring Operation: 29+68=97, Resulting Numbers: [97] 97,54 unequal: No Solution Moving to Node #0,4,4 Current State: 54:[60, 37], Operations: ['66-58=8', '29+8=37'] Exploring Operation: 60*37=2220, Resulting Numbers: [2220] 2220,54 unequal: No Solution Exploring Operation: 60-37=23, Resulting Numbers: [23] 23,54 unequal: No Solution Exploring Operation: 60+37=97, Resulting Numbers: [97] 97,54 unequal: No Solution Moving to Node #0,2,0 Current State: 54:[66, 31], Operations: ['58-29=29', '60-29=31'] Exploring Operation: 66-31=35, Resulting Numbers: [35] 35,54 unequal: No Solution Exploring Operation: 66+31=97, Resulting Numbers: [97] 97,54 unequal: No Solution Exploring Operation: 66*31=2046, Resulting Numbers: [2046] 2046,54 unequal: No Solution Moving to Node #0,4,3 Current State: 54:[29, 68], Operations: ['66-58=8', '60+8=68'] Exploring Operation: 29+68=97, Resulting Numbers: [97] 97,54 unequal: No Solution Exploring Operation: 68-29=39, Resulting Numbers: [39] 39,54 unequal: No Solution Exploring Operation: 29*68=1972, Resulting Numbers: [1972] 1972,54 unequal: No Solution Moving to Node #0,2,3 Current State: 54:[66, 89], Operations: ['58-29=29', '60+29=89'] Exploring Operation: 66*89=5874, Resulting Numbers: [5874] 5874,54 unequal: No Solution Exploring Operation: 66+89=155, Resulting Numbers: [155] 155,54 unequal: No Solution Exploring Operation: 89-66=23, Resulting Numbers: [23] 23,54 unequal: No Solution Moving to Node #0,2,1 Current State: 54:[60, 95], Operations: ['58-29=29', '66+29=95'] Exploring Operation: 95-60=35, Resulting Numbers: [35] 35,54 unequal: No Solution Exploring Operation: 60+95=155, Resulting Numbers: [155] 155,54 unequal: No Solution Exploring Operation: 60*95=5700, Resulting Numbers: [5700] 5700,54 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 3, 90, 6, 40 ]
25
[ "6/3=2", "90-40=50", "50/2=25" ]
Current State: 25:[3, 90, 6, 40], Operations: [] Exploring Operation: 6/3=2, Resulting Numbers: [90, 40, 2] Generated Node #2: [90, 40, 2] from Operation: 6/3=2 Current State: 25:[90, 40, 2], Operations: ['6/3=2'] Exploring Operation: 90-40=50, Resulting Numbers: [2, 50] Generated Node #3: [2, 50] from Operation: 90-40=50 Current State: 25:[2, 50], Operations: ['6/3=2', '90-40=50'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[3, 90, 6, 40], Operations: [] Exploring Operation: 90/6=15, Resulting Numbers: [3, 40, 15] Generated Node #0,0: 25:[3, 40, 15] Operation: 90/6=15 Exploring Operation: 90/3=30, Resulting Numbers: [6, 40, 30] Generated Node #0,1: 25:[6, 40, 30] Operation: 90/3=30 Moving to Node #0,1 Current State: 25:[6, 40, 30], Operations: ['90/3=30'] Exploring Operation: 40-6=34, Resulting Numbers: [30, 34] Generated Node #0,1,0: 25:[30, 34] Operation: 40-6=34 Exploring Operation: 40-30=10, Resulting Numbers: [6, 10] Generated Node #0,1,1: 25:[6, 10] Operation: 40-30=10 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[6, 10], Operations: ['90/3=30', '40-30=10'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,25 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:[30, 34], Operations: ['90/3=30', '40-6=34'] Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 30+34=64, Resulting Numbers: [64] 64,25 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:[3, 40, 15], Operations: ['90/6=15'] Exploring Operation: 40-15=25, Resulting Numbers: [3, 25] Generated Node #0,0,0: 25:[3, 25] Operation: 40-15=25 Exploring Operation: 15/3=5, Resulting Numbers: [40, 5] Generated Node #0,0,1: 25:[40, 5] Operation: 15/3=5 Moving to Node #0,0,0 Current State: 25:[3, 25], Operations: ['90/6=15', '40-15=25'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,25 unequal: No Solution Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[40, 5], Operations: ['90/6=15', '15/3=5'] Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,25 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 2, 99, 3, 77 ]
22
[ "3-2=1", "99-77=22", "1*22=22" ]
Current State: 22:[2, 99, 3, 77], Operations: [] Exploring Operation: 3-2=1, Resulting Numbers: [99, 77, 1] Generated Node #2: [99, 77, 1] from Operation: 3-2=1 Current State: 22:[99, 77, 1], Operations: ['3-2=1'] Exploring Operation: 99-77=22, Resulting Numbers: [1, 22] Generated Node #3: [1, 22] from Operation: 99-77=22 Current State: 22:[1, 22], Operations: ['3-2=1', '99-77=22'] Exploring Operation: 1*22=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[2, 99, 3, 77], Operations: [] Exploring Operation: 99-77=22, Resulting Numbers: [2, 3, 22] Generated Node #0,0: 22:[2, 3, 22] Operation: 99-77=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[2, 3, 22], Operations: ['99-77=22'] Exploring Operation: 3-2=1, Resulting Numbers: [22, 1] Generated Node #0,0,0: 22:[22, 1] Operation: 3-2=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 22:[22, 1], Operations: ['99-77=22', '3-2=1'] Exploring Operation: 22*1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[2, 99, 3, 77], Operations: [] Exploring Operation: 99-77=22, Resulting Numbers: [2, 3, 22] Generated Node #0,0: 22:[2, 3, 22] Operation: 99-77=22 Moving to Node #0,0 Current State: 22:[2, 3, 22], Operations: ['99-77=22'] Exploring Operation: 3-2=1, Resulting Numbers: [22, 1] Generated Node #0,0,0: 22:[22, 1] Operation: 3-2=1 Moving to Node #0,0,0 Current State: 22:[22, 1], Operations: ['99-77=22', '3-2=1'] Exploring Operation: 22*1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 26, 12, 41, 3 ]
82
[ "26+12=38", "41+3=44", "38+44=82" ]
Current State: 82:[26, 12, 41, 3], Operations: [] Exploring Operation: 26+12=38, Resulting Numbers: [41, 3, 38] Generated Node #2: [41, 3, 38] from Operation: 26+12=38 Current State: 82:[41, 3, 38], Operations: ['26+12=38'] Exploring Operation: 41+3=44, Resulting Numbers: [38, 44] Generated Node #3: [38, 44] from Operation: 41+3=44 Current State: 82:[38, 44], Operations: ['26+12=38', '41+3=44'] Exploring Operation: 38+44=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[26, 12, 41, 3], Operations: [] Exploring Operation: 26-12=14, Resulting Numbers: [41, 3, 14] Generated Node #0,0: 82:[41, 3, 14] Operation: 26-12=14 Exploring Operation: 26*3=78, Resulting Numbers: [12, 41, 78] Generated Node #0,1: 82:[12, 41, 78] Operation: 26*3=78 Exploring Operation: 26+12=38, Resulting Numbers: [41, 3, 38] Generated Node #0,2: 82:[41, 3, 38] Operation: 26+12=38 Moving to Node #0,2 Current State: 82:[41, 3, 38], Operations: ['26+12=38'] Exploring Operation: 41+38=79, Resulting Numbers: [3, 79] Generated Node #0,2,0: 82:[3, 79] Operation: 41+38=79 Exploring Operation: 3+38=41, Resulting Numbers: [41, 41] Generated Node #0,2,1: 82:[41, 41] Operation: 3+38=41 Exploring Operation: 41-38=3, Resulting Numbers: [3, 3] Generated Node #0,2,2: 82:[3, 3] Operation: 41-38=3 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 82:[41, 41], Operations: ['26+12=38', '3+38=41'] Exploring Operation: 41+41=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[26, 12, 41, 3], Operations: [] Exploring Operation: 26+12=38, Resulting Numbers: [41, 3, 38] Generated Node #0,2: 82:[41, 3, 38] Operation: 26+12=38 Moving to Node #0,2 Current State: 82:[41, 3, 38], Operations: ['26+12=38'] Exploring Operation: 3+38=41, Resulting Numbers: [41, 41] Generated Node #0,2,1: 82:[41, 41] Operation: 3+38=41 Moving to Node #0,2,1 Current State: 82:[41, 41], Operations: ['26+12=38', '3+38=41'] Exploring Operation: 41+41=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 65, 77, 34, 88 ]
88
[ "65+77=142", "88-34=54", "142-54=88" ]
Current State: 88:[65, 77, 34, 88], Operations: [] Exploring Operation: 65+77=142, Resulting Numbers: [34, 88, 142] Generated Node #2: [34, 88, 142] from Operation: 65+77=142 Current State: 88:[34, 88, 142], Operations: ['65+77=142'] Exploring Operation: 88-34=54, Resulting Numbers: [142, 54] Generated Node #3: [142, 54] from Operation: 88-34=54 Current State: 88:[142, 54], Operations: ['65+77=142', '88-34=54'] Exploring Operation: 142-54=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[65, 77, 34, 88], Operations: [] Exploring Operation: 77-65=12, Resulting Numbers: [34, 88, 12] Generated Node #0,0: 88:[34, 88, 12] Operation: 77-65=12 Exploring Operation: 65+34=99, Resulting Numbers: [77, 88, 99] Generated Node #0,1: 88:[77, 88, 99] Operation: 65+34=99 Exploring Operation: 88-65=23, Resulting Numbers: [77, 34, 23] Generated Node #0,2: 88:[77, 34, 23] Operation: 88-65=23 Exploring Operation: 65-34=31, Resulting Numbers: [77, 88, 31] Generated Node #0,3: 88:[77, 88, 31] Operation: 65-34=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[34, 88, 12], Operations: ['77-65=12'] Exploring Operation: 34-12=22, Resulting Numbers: [88, 22] Generated Node #0,0,0: 88:[88, 22] Operation: 34-12=22 Exploring Operation: 88-34=54, Resulting Numbers: [12, 54] Generated Node #0,0,1: 88:[12, 54] Operation: 88-34=54 Exploring Operation: 34+12=46, Resulting Numbers: [88, 46] Generated Node #0,0,2: 88:[88, 46] Operation: 34+12=46 Exploring Operation: 88+12=100, Resulting Numbers: [34, 100] Generated Node #0,0,3: 88:[34, 100] Operation: 88+12=100 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[88, 22], Operations: ['77-65=12', '34-12=22'] Exploring Operation: 88*22=1936, Resulting Numbers: [1936] 1936,88 unequal: No Solution Exploring Operation: 88/22=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 88+22=110, Resulting Numbers: [110] 110,88 unequal: No Solution Exploring Operation: 88-22=66, Resulting Numbers: [66] 66,88 unequal: No Solution No 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: 88:[88, 46], Operations: ['77-65=12', '34+12=46'] Exploring Operation: 88+46=134, Resulting Numbers: [134] 134,88 unequal: No Solution Exploring Operation: 88*46=4048, Resulting Numbers: [4048] 4048,88 unequal: No Solution Exploring Operation: 88-46=42, Resulting Numbers: [42] 42,88 unequal: No Solution No 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: 88:[12, 54], Operations: ['77-65=12', '88-34=54'] Exploring Operation: 12+54=66, Resulting Numbers: [66] 66,88 unequal: No Solution Exploring Operation: 12*54=648, Resulting Numbers: [648] 648,88 unequal: No Solution Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,88 unequal: No Solution No 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: 88:[34, 100], Operations: ['77-65=12', '88+12=100'] Exploring Operation: 34+100=134, Resulting Numbers: [134] 134,88 unequal: No Solution Exploring Operation: 34*100=3400, Resulting Numbers: [3400] 3400,88 unequal: No Solution Exploring Operation: 100-34=66, Resulting Numbers: [66] 66,88 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: 88:[77, 88, 31], Operations: ['65-34=31'] Exploring Operation: 88-31=57, Resulting Numbers: [77, 57] Generated Node #0,3,0: 88:[77, 57] Operation: 88-31=57 Exploring Operation: 77+31=108, Resulting Numbers: [88, 108] Generated Node #0,3,1: 88:[88, 108] Operation: 77+31=108 Exploring Operation: 77-31=46, Resulting Numbers: [88, 46] Generated Node #0,3,2: 88:[88, 46] Operation: 77-31=46 Exploring Operation: 88-77=11, Resulting Numbers: [31, 11] Generated Node #0,3,3: 88:[31, 11] Operation: 88-77=11 Moving to Node #0,3,2 Current State: 88:[88, 46], Operations: ['65-34=31', '77-31=46'] Exploring Operation: 88*46=4048, Resulting Numbers: [4048] 4048,88 unequal: No Solution Exploring Operation: 88+46=134, Resulting Numbers: [134] 134,88 unequal: No Solution Exploring Operation: 88-46=42, Resulting Numbers: [42] 42,88 unequal: No Solution Moving to Node #0,3,3 Current State: 88:[31, 11], Operations: ['65-34=31', '88-77=11'] Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,88 unequal: No Solution Exploring Operation: 31*11=341, Resulting Numbers: [341] 341,88 unequal: No Solution Exploring Operation: 31+11=42, Resulting Numbers: [42] 42,88 unequal: No Solution Moving to Node #0,3,1 Current State: 88:[88, 108], Operations: ['65-34=31', '77+31=108'] Exploring Operation: 88+108=196, Resulting Numbers: [196] 196,88 unequal: No Solution Exploring Operation: 108-88=20, Resulting Numbers: [20] 20,88 unequal: No Solution Exploring Operation: 88*108=9504, Resulting Numbers: [9504] 9504,88 unequal: No Solution Moving to Node #0,3,0 Current State: 88:[77, 57], Operations: ['65-34=31', '88-31=57'] Exploring Operation: 77+57=134, Resulting Numbers: [134] 134,88 unequal: No Solution Exploring Operation: 77*57=4389, Resulting Numbers: [4389] 4389,88 unequal: No Solution Exploring Operation: 77-57=20, Resulting Numbers: [20] 20,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[77, 88, 99], Operations: ['65+34=99'] Exploring Operation: 99-88=11, Resulting Numbers: [77, 11] Generated Node #0,1,0: 88:[77, 11] Operation: 99-88=11 Exploring Operation: 88-77=11, Resulting Numbers: [99, 11] Generated Node #0,1,1: 88:[99, 11] Operation: 88-77=11 Exploring Operation: 99-77=22, Resulting Numbers: [88, 22] Generated Node #0,1,2: 88:[88, 22] Operation: 99-77=22 Exploring Operation: 77+88=165, Resulting Numbers: [99, 165] Generated Node #0,1,3: 88:[99, 165] Operation: 77+88=165 Moving to Node #0,1,2 Current State: 88:[88, 22], Operations: ['65+34=99', '99-77=22'] Exploring Operation: 88*22=1936, Resulting Numbers: [1936] 1936,88 unequal: No Solution Exploring Operation: 88+22=110, Resulting Numbers: [110] 110,88 unequal: No Solution Exploring Operation: 88-22=66, Resulting Numbers: [66] 66,88 unequal: No Solution Exploring Operation: 88/22=4, Resulting Numbers: [4] 4,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[99, 11], Operations: ['65+34=99', '88-77=11'] Exploring Operation: 99-11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[65, 77, 34, 88], Operations: [] Exploring Operation: 65+34=99, Resulting Numbers: [77, 88, 99] Generated Node #0,1: 88:[77, 88, 99] Operation: 65+34=99 Moving to Node #0,1 Current State: 88:[77, 88, 99], Operations: ['65+34=99'] Exploring Operation: 88-77=11, Resulting Numbers: [99, 11] Generated Node #0,1,1: 88:[99, 11] Operation: 88-77=11 Moving to Node #0,1,1 Current State: 88:[99, 11], Operations: ['65+34=99', '88-77=11'] Exploring Operation: 99-11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.956597
hs_4
mult_heuristic
[ 47, 80, 4, 33 ]
40
[ "47+80=127", "33+127=160", "160/4=40" ]
Current State: 40:[47, 80, 4, 33], Operations: [] Exploring Operation: 47+80=127, Resulting Numbers: [4, 33, 127] Generated Node #2: [4, 33, 127] from Operation: 47+80=127 Current State: 40:[4, 33, 127], Operations: ['47+80=127'] Exploring Operation: 33+127=160, Resulting Numbers: [4, 160] Generated Node #3: [4, 160] from Operation: 33+127=160 Current State: 40:[4, 160], Operations: ['47+80=127', '33+127=160'] Exploring Operation: 160/4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[47, 80, 4, 33], Operations: [] Exploring Operation: 80-47=33, Resulting Numbers: [4, 33, 33] Generated Node #0,0: 40:[4, 33, 33] Operation: 80-47=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[4, 33, 33], Operations: ['80-47=33'] Exploring Operation: 33/33=1, Resulting Numbers: [4, 1] Generated Node #0,0,0: 40:[4, 1] Operation: 33/33=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 40:[4, 1], Operations: ['80-47=33', '33/33=1'] Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,40 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
[ 1, 85, 50, 1 ]
37
[ "1+85=86", "50-1=49", "86-49=37" ]
Current State: 37:[1, 85, 50, 1], Operations: [] Exploring Operation: 1+85=86, Resulting Numbers: [50, 86] Generated Node #2: [50, 86] from Operation: 1+85=86 Current State: 37:[50, 86], Operations: ['1+85=86'] Exploring Operation: 50-1=49, Resulting Numbers: [86, 49] Generated Node #3: [86, 49] from Operation: 50-1=49 Current State: 37:[86, 49], Operations: ['1+85=86', '50-1=49'] Exploring Operation: 86-49=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[1, 85, 50, 1], Operations: [] Exploring Operation: 85-50=35, Resulting Numbers: [1, 1, 35] Generated Node #0,0: 37:[1, 1, 35] Operation: 85-50=35 Exploring Operation: 85-1=84, Resulting Numbers: [50, 1, 84] Generated Node #0,1: 37:[50, 1, 84] Operation: 85-1=84 Exploring Operation: 50-1=49, Resulting Numbers: [85, 1, 49] Generated Node #0,2: 37:[85, 1, 49] Operation: 50-1=49 Moving to Node #0,0 Current State: 37:[1, 1, 35], Operations: ['85-50=35'] Exploring Operation: 1+1=2, Resulting Numbers: [35, 2] Generated Node #0,0,0: 37:[35, 2] Operation: 1+1=2 Exploring Operation: 1+35=36, Resulting Numbers: [1, 36] Generated Node #0,0,1: 37:[1, 36] Operation: 1+35=36 Exploring Operation: 1+35=36, Resulting Numbers: [1, 36] Generated Node #0,0,2: 37:[1, 36] Operation: 1+35=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 37:[35, 2], Operations: ['85-50=35', '1+1=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,37 unequal: No Solution Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[1, 85, 50, 1], Operations: [] Exploring Operation: 85-50=35, Resulting Numbers: [1, 1, 35] Generated Node #0,0: 37:[1, 1, 35] Operation: 85-50=35 Moving to Node #0,0 Current State: 37:[1, 1, 35], Operations: ['85-50=35'] Exploring Operation: 1+1=2, Resulting Numbers: [35, 2] Generated Node #0,0,0: 37:[35, 2] Operation: 1+1=2 Moving to Node #0,0,0 Current State: 37:[35, 2], Operations: ['85-50=35', '1+1=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 72, 32, 18, 49 ]
73
[ "72+32=104", "49-18=31", "104-31=73" ]
Current State: 73:[72, 32, 18, 49], Operations: [] Exploring Operation: 72+32=104, Resulting Numbers: [18, 49, 104] Generated Node #2: [18, 49, 104] from Operation: 72+32=104 Current State: 73:[18, 49, 104], Operations: ['72+32=104'] Exploring Operation: 49-18=31, Resulting Numbers: [104, 31] Generated Node #3: [104, 31] from Operation: 49-18=31 Current State: 73:[104, 31], Operations: ['72+32=104', '49-18=31'] Exploring Operation: 104-31=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[72, 32, 18, 49], Operations: [] Exploring Operation: 72+18=90, Resulting Numbers: [32, 49, 90] Generated Node #0,0: 73:[32, 49, 90] Operation: 72+18=90 Exploring Operation: 72-18=54, Resulting Numbers: [32, 49, 54] Generated Node #0,1: 73:[32, 49, 54] Operation: 72-18=54 Exploring Operation: 18+49=67, Resulting Numbers: [72, 32, 67] Generated Node #0,2: 73:[72, 32, 67] Operation: 18+49=67 Exploring Operation: 32+18=50, Resulting Numbers: [72, 49, 50] Generated Node #0,3: 73:[72, 49, 50] Operation: 32+18=50 Exploring Operation: 32+49=81, Resulting Numbers: [72, 18, 81] Generated Node #0,4: 73:[72, 18, 81] Operation: 32+49=81 Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[72, 32, 67], Operations: ['18+49=67'] Exploring Operation: 72-32=40, Resulting Numbers: [67, 40] Generated Node #0,2,0: 73:[67, 40] Operation: 72-32=40 Exploring Operation: 72+67=139, Resulting Numbers: [32, 139] Generated Node #0,2,1: 73:[32, 139] Operation: 72+67=139 Exploring Operation: 72+32=104, Resulting Numbers: [67, 104] Generated Node #0,2,2: 73:[67, 104] Operation: 72+32=104 Exploring Operation: 67-32=35, Resulting Numbers: [72, 35] Generated Node #0,2,3: 73:[72, 35] Operation: 67-32=35 Exploring Operation: 32+67=99, Resulting Numbers: [72, 99] Generated Node #0,2,4: 73:[72, 99] Operation: 32+67=99 Moving to Node #0,2,4 Current State: 73:[72, 99], Operations: ['18+49=67', '32+67=99'] Exploring Operation: 72*99=7128, Resulting Numbers: [7128] 7128,73 unequal: No Solution Exploring Operation: 99-72=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 72+99=171, Resulting Numbers: [171] 171,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[67, 104], Operations: ['18+49=67', '72+32=104'] Exploring Operation: 67+104=171, Resulting Numbers: [171] 171,73 unequal: No Solution Exploring Operation: 104-67=37, Resulting Numbers: [37] 37,73 unequal: No Solution Exploring Operation: 67*104=6968, Resulting Numbers: [6968] 6968,73 unequal: No Solution Moving to Node #0,2,0 Current State: 73:[67, 40], Operations: ['18+49=67', '72-32=40'] Exploring Operation: 67+40=107, Resulting Numbers: [107] 107,73 unequal: No Solution Exploring Operation: 67-40=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 67*40=2680, Resulting Numbers: [2680] 2680,73 unequal: No Solution Moving to Node #0,2,3 Current State: 73:[72, 35], Operations: ['18+49=67', '67-32=35'] Exploring Operation: 72-35=37, Resulting Numbers: [37] 37,73 unequal: No Solution Exploring Operation: 72+35=107, Resulting Numbers: [107] 107,73 unequal: No Solution Exploring Operation: 72*35=2520, Resulting Numbers: [2520] 2520,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[32, 139], Operations: ['18+49=67', '72+67=139'] Exploring Operation: 32*139=4448, Resulting Numbers: [4448] 4448,73 unequal: No Solution Exploring Operation: 139-32=107, Resulting Numbers: [107] 107,73 unequal: No Solution Exploring Operation: 32+139=171, Resulting Numbers: [171] 171,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 73:[72, 49, 50], Operations: ['32+18=50'] Exploring Operation: 72-49=23, Resulting Numbers: [50, 23] Generated Node #0,3,0: 73:[50, 23] Operation: 72-49=23 Exploring Operation: 50-49=1, Resulting Numbers: [72, 1] Generated Node #0,3,1: 73:[72, 1] Operation: 50-49=1 Exploring Operation: 72+50=122, Resulting Numbers: [49, 122] Generated Node #0,3,2: 73:[49, 122] Operation: 72+50=122 Exploring Operation: 49+50=99, Resulting Numbers: [72, 99] Generated Node #0,3,3: 73:[72, 99] Operation: 49+50=99 Exploring Operation: 72+49=121, Resulting Numbers: [50, 121] Generated Node #0,3,4: 73:[50, 121] Operation: 72+49=121 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 73:[72, 99], Operations: ['32+18=50', '49+50=99'] Exploring Operation: 99-72=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 72*99=7128, Resulting Numbers: [7128] 7128,73 unequal: No Solution Exploring Operation: 72+99=171, Resulting Numbers: [171] 171,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 73:[50, 121], Operations: ['32+18=50', '72+49=121'] Exploring Operation: 50+121=171, Resulting Numbers: [171] 171,73 unequal: No Solution Exploring Operation: 121-50=71, Resulting Numbers: [71] 71,73 unequal: No Solution Exploring Operation: 50*121=6050, Resulting Numbers: [6050] 6050,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 73:[50, 23], Operations: ['32+18=50', '72-49=23'] Exploring Operation: 50+23=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[72, 32, 18, 49], Operations: [] Exploring Operation: 32+18=50, Resulting Numbers: [72, 49, 50] Generated Node #0,3: 73:[72, 49, 50] Operation: 32+18=50 Moving to Node #0,3 Current State: 73:[72, 49, 50], Operations: ['32+18=50'] Exploring Operation: 72-49=23, Resulting Numbers: [50, 23] Generated Node #0,3,0: 73:[50, 23] Operation: 72-49=23 Moving to Node #0,3,0 Current State: 73:[50, 23], Operations: ['32+18=50', '72-49=23'] Exploring Operation: 50+23=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96441
hs_5
mult_heuristic
[ 12, 66, 56, 21 ]
42
[ "66-12=54", "56-54=2", "21*2=42" ]
Current State: 42:[12, 66, 56, 21], Operations: [] Exploring Operation: 66-12=54, Resulting Numbers: [56, 21, 54] Generated Node #2: [56, 21, 54] from Operation: 66-12=54 Current State: 42:[56, 21, 54], Operations: ['66-12=54'] Exploring Operation: 56-54=2, Resulting Numbers: [21, 2] Generated Node #3: [21, 2] from Operation: 56-54=2 Current State: 42:[21, 2], Operations: ['66-12=54', '56-54=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[12, 66, 56, 21], Operations: [] Exploring Operation: 66-21=45, Resulting Numbers: [12, 56, 45] Generated Node #0,0: 42:[12, 56, 45] Operation: 66-21=45 Exploring Operation: 66-56=10, Resulting Numbers: [12, 21, 10] Generated Node #0,1: 42:[12, 21, 10] Operation: 66-56=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[12, 21, 10], Operations: ['66-56=10'] Exploring Operation: 12+10=22, Resulting Numbers: [21, 22] Generated Node #0,1,0: 42:[21, 22] Operation: 12+10=22 Exploring Operation: 12-10=2, Resulting Numbers: [21, 2] Generated Node #0,1,1: 42:[21, 2] Operation: 12-10=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 42:[21, 2], Operations: ['66-56=10', '12-10=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,42 unequal: No Solution Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[12, 66, 56, 21], Operations: [] Exploring Operation: 66-56=10, Resulting Numbers: [12, 21, 10] Generated Node #0,1: 42:[12, 21, 10] Operation: 66-56=10 Moving to Node #0,1 Current State: 42:[12, 21, 10], Operations: ['66-56=10'] Exploring Operation: 12-10=2, Resulting Numbers: [21, 2] Generated Node #0,1,1: 42:[21, 2] Operation: 12-10=2 Moving to Node #0,1,1 Current State: 42:[21, 2], Operations: ['66-56=10', '12-10=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 77, 8, 81, 65 ]
33
[ "81-77=4", "8*4=32", "65-32=33" ]
Current State: 33:[77, 8, 81, 65], Operations: [] Exploring Operation: 81-77=4, Resulting Numbers: [8, 65, 4] Generated Node #2: [8, 65, 4] from Operation: 81-77=4 Current State: 33:[8, 65, 4], Operations: ['81-77=4'] Exploring Operation: 8*4=32, Resulting Numbers: [65, 32] Generated Node #3: [65, 32] from Operation: 8*4=32 Current State: 33:[65, 32], Operations: ['81-77=4', '8*4=32'] Exploring Operation: 65-32=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[77, 8, 81, 65], Operations: [] Exploring Operation: 81-77=4, Resulting Numbers: [8, 65, 4] Generated Node #0,0: 33:[8, 65, 4] Operation: 81-77=4 Moving to Node #0,0 Current State: 33:[8, 65, 4], Operations: ['81-77=4'] Exploring Operation: 65-8=57, Resulting Numbers: [4, 57] Generated Node #0,0,0: 33:[4, 57] Operation: 65-8=57 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[4, 57], Operations: ['81-77=4', '65-8=57'] Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,33 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
[ 48, 88, 92, 4 ]
99
[ "92-48=44", "44/4=11", "88+11=99" ]
Current State: 99:[48, 88, 92, 4], Operations: [] Exploring Operation: 92-48=44, Resulting Numbers: [88, 4, 44] Generated Node #2: [88, 4, 44] from Operation: 92-48=44 Current State: 99:[88, 4, 44], Operations: ['92-48=44'] Exploring Operation: 44/4=11, Resulting Numbers: [88, 11] Generated Node #3: [88, 11] from Operation: 44/4=11 Current State: 99:[88, 11], Operations: ['92-48=44', '44/4=11'] Exploring Operation: 88+11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[48, 88, 92, 4], Operations: [] Exploring Operation: 48/4=12, Resulting Numbers: [88, 92, 12] Generated Node #0,0: 99:[88, 92, 12] Operation: 48/4=12 Exploring Operation: 92-48=44, Resulting Numbers: [88, 4, 44] Generated Node #0,1: 99:[88, 4, 44] Operation: 92-48=44 Exploring Operation: 92-88=4, Resulting Numbers: [48, 4, 4] Generated Node #0,2: 99:[48, 4, 4] Operation: 92-88=4 Exploring Operation: 88-48=40, Resulting Numbers: [92, 4, 40] Generated Node #0,3: 99:[92, 4, 40] Operation: 88-48=40 Start Sub Search at level 1: Moving to Node #0,3 Current State: 99:[92, 4, 40], Operations: ['88-48=40'] Exploring Operation: 40-4=36, Resulting Numbers: [92, 36] Generated Node #0,3,0: 99:[92, 36] Operation: 40-4=36 Exploring Operation: 92+4=96, Resulting Numbers: [40, 96] Generated Node #0,3,1: 99:[40, 96] Operation: 92+4=96 Exploring Operation: 92/4=23, Resulting Numbers: [40, 23] Generated Node #0,3,2: 99:[40, 23] Operation: 92/4=23 Exploring Operation: 40/4=10, Resulting Numbers: [92, 10] Generated Node #0,3,3: 99:[92, 10] Operation: 40/4=10 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 99:[92, 10], Operations: ['88-48=40', '40/4=10'] Exploring Operation: 92*10=920, Resulting Numbers: [920] 920,99 unequal: No Solution Exploring Operation: 92-10=82, Resulting Numbers: [82] 82,99 unequal: No Solution Exploring Operation: 92+10=102, Resulting Numbers: [102] 102,99 unequal: No Solution No 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: 99:[92, 36], Operations: ['88-48=40', '40-4=36'] Exploring Operation: 92*36=3312, Resulting Numbers: [3312] 3312,99 unequal: No Solution Exploring Operation: 92-36=56, Resulting Numbers: [56] 56,99 unequal: No Solution Exploring Operation: 92+36=128, Resulting Numbers: [128] 128,99 unequal: No Solution No 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: 99:[40, 96], Operations: ['88-48=40', '92+4=96'] Exploring Operation: 96-40=56, Resulting Numbers: [56] 56,99 unequal: No Solution Exploring Operation: 40*96=3840, Resulting Numbers: [3840] 3840,99 unequal: No Solution Exploring Operation: 40+96=136, Resulting Numbers: [136] 136,99 unequal: No Solution No 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: 99:[40, 23], Operations: ['88-48=40', '92/4=23'] Exploring Operation: 40-23=17, Resulting Numbers: [17] 17,99 unequal: No Solution Exploring Operation: 40+23=63, Resulting Numbers: [63] 63,99 unequal: No Solution Exploring Operation: 40*23=920, Resulting Numbers: [920] 920,99 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: 99:[48, 4, 4], Operations: ['92-88=4'] Exploring Operation: 48/4=12, Resulting Numbers: [4, 12] Generated Node #0,2,0: 99:[4, 12] Operation: 48/4=12 Exploring Operation: 48/4=12, Resulting Numbers: [4, 12] Generated Node #0,2,1: 99:[4, 12] Operation: 48/4=12 Exploring Operation: 48-4=44, Resulting Numbers: [4, 44] Generated Node #0,2,2: 99:[4, 44] Operation: 48-4=44 Exploring Operation: 48-4=44, Resulting Numbers: [4, 44] Generated Node #0,2,3: 99:[4, 44] Operation: 48-4=44 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 99:[4, 12], Operations: ['92-88=4', '48/4=12'] Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,99 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,99 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,99 unequal: No Solution No 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: 99:[4, 12], Operations: ['92-88=4', '48/4=12'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,99 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,99 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,99 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,99 unequal: No Solution No 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: 99:[4, 44], Operations: ['92-88=4', '48-4=44'] Exploring Operation: 4+44=48, Resulting Numbers: [48] 48,99 unequal: No Solution Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,99 unequal: No Solution Exploring Operation: 4*44=176, Resulting Numbers: [176] 176,99 unequal: No Solution Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,99 unequal: No Solution No 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: 99:[4, 44], Operations: ['92-88=4', '48-4=44'] Exploring Operation: 4+44=48, Resulting Numbers: [48] 48,99 unequal: No Solution Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,99 unequal: No Solution Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,99 unequal: No Solution Exploring Operation: 4*44=176, Resulting Numbers: [176] 176,99 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: 99:[88, 92, 12], Operations: ['48/4=12'] Exploring Operation: 88-12=76, Resulting Numbers: [92, 76] Generated Node #0,0,0: 99:[92, 76] Operation: 88-12=76 Exploring Operation: 92-88=4, Resulting Numbers: [12, 4] Generated Node #0,0,1: 99:[12, 4] Operation: 92-88=4 Exploring Operation: 88+12=100, Resulting Numbers: [92, 100] Generated Node #0,0,2: 99:[92, 100] Operation: 88+12=100 Exploring Operation: 92+12=104, Resulting Numbers: [88, 104] Generated Node #0,0,3: 99:[88, 104] Operation: 92+12=104 Moving to Node #0,0,1 Current State: 99:[12, 4], Operations: ['48/4=12', '92-88=4'] Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,99 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,99 unequal: No Solution Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,99 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,99 unequal: No Solution Moving to Node #0,0,2 Current State: 99:[92, 100], Operations: ['48/4=12', '88+12=100'] Exploring Operation: 92+100=192, Resulting Numbers: [192] 192,99 unequal: No Solution Exploring Operation: 92*100=9200, Resulting Numbers: [9200] 9200,99 unequal: No Solution Exploring Operation: 100-92=8, Resulting Numbers: [8] 8,99 unequal: No Solution Moving to Node #0,0,3 Current State: 99:[88, 104], Operations: ['48/4=12', '92+12=104'] Exploring Operation: 104-88=16, Resulting Numbers: [16] 16,99 unequal: No Solution Exploring Operation: 88+104=192, Resulting Numbers: [192] 192,99 unequal: No Solution Exploring Operation: 88*104=9152, Resulting Numbers: [9152] 9152,99 unequal: No Solution Moving to Node #0,0,0 Current State: 99:[92, 76], Operations: ['48/4=12', '88-12=76'] Exploring Operation: 92-76=16, Resulting Numbers: [16] 16,99 unequal: No Solution Exploring Operation: 92*76=6992, Resulting Numbers: [6992] 6992,99 unequal: No Solution Exploring Operation: 92+76=168, Resulting Numbers: [168] 168,99 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 Current State: 99:[88, 4, 44], Operations: ['92-48=44'] Exploring Operation: 88/44=2, Resulting Numbers: [4, 2] Generated Node #0,1,0: 99:[4, 2] Operation: 88/44=2 Exploring Operation: 88-44=44, Resulting Numbers: [4, 44] Generated Node #0,1,1: 99:[4, 44] Operation: 88-44=44 Exploring Operation: 88+4=92, Resulting Numbers: [44, 92] Generated Node #0,1,2: 99:[44, 92] Operation: 88+4=92 Exploring Operation: 44/4=11, Resulting Numbers: [88, 11] Generated Node #0,1,3: 99:[88, 11] Operation: 44/4=11 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 99:[4, 2], Operations: ['92-48=44', '88/44=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,99 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,99 unequal: No Solution No 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: 99:[88, 11], Operations: ['92-48=44', '44/4=11'] Exploring Operation: 88-11=77, Resulting Numbers: [77] 77,99 unequal: No Solution Exploring Operation: 88+11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[48, 88, 92, 4], Operations: [] Exploring Operation: 92-48=44, Resulting Numbers: [88, 4, 44] Generated Node #0,1: 99:[88, 4, 44] Operation: 92-48=44 Moving to Node #0,1 Current State: 99:[88, 4, 44], Operations: ['92-48=44'] Exploring Operation: 44/4=11, Resulting Numbers: [88, 11] Generated Node #0,1,3: 99:[88, 11] Operation: 44/4=11 Moving to Node #0,1,3 Current State: 99:[88, 11], Operations: ['92-48=44', '44/4=11'] Exploring Operation: 88+11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.938368
hs_4
mult_heuristic
[ 14, 5, 63, 34 ]
28
[ "5+63=68", "14*68=952", "952/34=28" ]
Current State: 28:[14, 5, 63, 34], Operations: [] Exploring Operation: 5+63=68, Resulting Numbers: [14, 34, 68] Generated Node #2: [14, 34, 68] from Operation: 5+63=68 Current State: 28:[14, 34, 68], Operations: ['5+63=68'] Exploring Operation: 14*68=952, Resulting Numbers: [34, 952] Generated Node #3: [34, 952] from Operation: 14*68=952 Current State: 28:[34, 952], Operations: ['5+63=68', '14*68=952'] Exploring Operation: 952/34=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[14, 5, 63, 34], Operations: [] Exploring Operation: 63-34=29, Resulting Numbers: [14, 5, 29] Generated Node #0,0: 28:[14, 5, 29] Operation: 63-34=29 Exploring Operation: 63-14=49, Resulting Numbers: [5, 34, 49] Generated Node #0,1: 28:[5, 34, 49] Operation: 63-14=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[14, 5, 29], Operations: ['63-34=29'] Exploring Operation: 29-14=15, Resulting Numbers: [5, 15] Generated Node #0,0,0: 28:[5, 15] Operation: 29-14=15 Exploring Operation: 14-5=9, Resulting Numbers: [29, 9] Generated Node #0,0,1: 28:[29, 9] Operation: 14-5=9 Moving to Node #0,0,0 Current State: 28:[5, 15], Operations: ['63-34=29', '29-14=15'] Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[29, 9], Operations: ['63-34=29', '14-5=9'] Exploring Operation: 29+9=38, Resulting Numbers: [38] 38,28 unequal: No Solution Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[5, 34, 49], Operations: ['63-14=49'] Exploring Operation: 34-5=29, Resulting Numbers: [49, 29] Generated Node #0,1,0: 28:[49, 29] Operation: 34-5=29 Exploring Operation: 49-34=15, Resulting Numbers: [5, 15] Generated Node #0,1,1: 28:[5, 15] Operation: 49-34=15 Moving to Node #0,1,1 Current State: 28:[5, 15], Operations: ['63-14=49', '49-34=15'] Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,28 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,28 unequal: No Solution Moving to Node #0,1,0 Current State: 28:[49, 29], Operations: ['63-14=49', '34-5=29'] Exploring Operation: 49-29=20, Resulting Numbers: [20] 20,28 unequal: No Solution Exploring Operation: 49+29=78, Resulting Numbers: [78] 78,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 75, 77, 47, 50 ]
55
[ "75+77=152", "47+50=97", "152-97=55" ]
Current State: 55:[75, 77, 47, 50], Operations: [] Exploring Operation: 75+77=152, Resulting Numbers: [47, 50, 152] Generated Node #2: [47, 50, 152] from Operation: 75+77=152 Current State: 55:[47, 50, 152], Operations: ['75+77=152'] Exploring Operation: 47+50=97, Resulting Numbers: [152, 97] Generated Node #3: [152, 97] from Operation: 47+50=97 Current State: 55:[152, 97], Operations: ['75+77=152', '47+50=97'] Exploring Operation: 152-97=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[75, 77, 47, 50], Operations: [] Exploring Operation: 77-75=2, Resulting Numbers: [47, 50, 2] Generated Node #0,0: 55:[47, 50, 2] Operation: 77-75=2 Moving to Node #0,0 Current State: 55:[47, 50, 2], Operations: ['77-75=2'] Exploring Operation: 50-47=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 55:[2, 3] Operation: 50-47=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 55:[2, 3], Operations: ['77-75=2', '50-47=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,55 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
[ 83, 84, 97, 76 ]
20
[ "84-83=1", "97-76=21", "21-1=20" ]
Current State: 20:[83, 84, 97, 76], Operations: [] Exploring Operation: 84-83=1, Resulting Numbers: [97, 76, 1] Generated Node #2: [97, 76, 1] from Operation: 84-83=1 Current State: 20:[97, 76, 1], Operations: ['84-83=1'] Exploring Operation: 97-76=21, Resulting Numbers: [1, 21] Generated Node #3: [1, 21] from Operation: 97-76=21 Current State: 20:[1, 21], Operations: ['84-83=1', '97-76=21'] Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[83, 84, 97, 76], Operations: [] Exploring Operation: 97-84=13, Resulting Numbers: [83, 76, 13] Generated Node #0,0: 20:[83, 76, 13] Operation: 97-84=13 Moving to Node #0,0 Current State: 20:[83, 76, 13], Operations: ['97-84=13'] Exploring Operation: 83-76=7, Resulting Numbers: [13, 7] Generated Node #0,0,0: 20:[13, 7] Operation: 83-76=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[13, 7], Operations: ['97-84=13', '83-76=7'] Exploring Operation: 13+7=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[83, 84, 97, 76], Operations: [] Exploring Operation: 97-84=13, Resulting Numbers: [83, 76, 13] Generated Node #0,0: 20:[83, 76, 13] Operation: 97-84=13 Moving to Node #0,0 Current State: 20:[83, 76, 13], Operations: ['97-84=13'] Exploring Operation: 83-76=7, Resulting Numbers: [13, 7] Generated Node #0,0,0: 20:[13, 7] Operation: 83-76=7 Moving to Node #0,0,0 Current State: 20:[13, 7], Operations: ['97-84=13', '83-76=7'] Exploring Operation: 13+7=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 70, 54, 3, 73 ]
83
[ "70*3=210", "54+73=127", "210-127=83" ]
Current State: 83:[70, 54, 3, 73], Operations: [] Exploring Operation: 70*3=210, Resulting Numbers: [54, 73, 210] Generated Node #2: [54, 73, 210] from Operation: 70*3=210 Current State: 83:[54, 73, 210], Operations: ['70*3=210'] Exploring Operation: 54+73=127, Resulting Numbers: [210, 127] Generated Node #3: [210, 127] from Operation: 54+73=127 Current State: 83:[210, 127], Operations: ['70*3=210', '54+73=127'] Exploring Operation: 210-127=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[70, 54, 3, 73], Operations: [] Exploring Operation: 70+3=73, Resulting Numbers: [54, 73, 73] Generated Node #0,0: 83:[54, 73, 73] Operation: 70+3=73 Exploring Operation: 54+3=57, Resulting Numbers: [70, 73, 57] Generated Node #0,1: 83:[70, 73, 57] Operation: 54+3=57 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[54, 73, 73], Operations: ['70+3=73'] Exploring Operation: 54+73=127, Resulting Numbers: [73, 127] Generated Node #0,0,0: 83:[73, 127] Operation: 54+73=127 Exploring Operation: 54+73=127, Resulting Numbers: [73, 127] Generated Node #0,0,1: 83:[73, 127] Operation: 54+73=127 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 83:[73, 127], Operations: ['70+3=73', '54+73=127'] Exploring Operation: 127-73=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 73+127=200, Resulting Numbers: [200] 200,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 83:[73, 127], Operations: ['70+3=73', '54+73=127'] Exploring Operation: 127-73=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 73+127=200, Resulting Numbers: [200] 200,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[70, 73, 57], Operations: ['54+3=57'] Exploring Operation: 73+57=130, Resulting Numbers: [70, 130] Generated Node #0,1,0: 83:[70, 130] Operation: 73+57=130 Exploring Operation: 70+57=127, Resulting Numbers: [73, 127] Generated Node #0,1,1: 83:[73, 127] Operation: 70+57=127 Moving to Node #0,1,1 Current State: 83:[73, 127], Operations: ['54+3=57', '70+57=127'] Exploring Operation: 73+127=200, Resulting Numbers: [200] 200,83 unequal: No Solution Exploring Operation: 127-73=54, Resulting Numbers: [54] 54,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[70, 130], Operations: ['54+3=57', '73+57=130'] Exploring Operation: 130-70=60, Resulting Numbers: [60] 60,83 unequal: No Solution Exploring Operation: 70+130=200, Resulting Numbers: [200] 200,83 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
[ 3, 41, 2, 12 ]
44
[ "41-3=38", "12/2=6", "38+6=44" ]
Current State: 44:[3, 41, 2, 12], Operations: [] Exploring Operation: 41-3=38, Resulting Numbers: [2, 12, 38] Generated Node #2: [2, 12, 38] from Operation: 41-3=38 Current State: 44:[2, 12, 38], Operations: ['41-3=38'] Exploring Operation: 12/2=6, Resulting Numbers: [38, 6] Generated Node #3: [38, 6] from Operation: 12/2=6 Current State: 44:[38, 6], Operations: ['41-3=38', '12/2=6'] Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[3, 41, 2, 12], Operations: [] Exploring Operation: 3+41=44, Resulting Numbers: [2, 12, 44] Generated Node #0,0: 44:[2, 12, 44] Operation: 3+41=44 Exploring Operation: 3+2=5, Resulting Numbers: [41, 12, 5] Generated Node #0,1: 44:[41, 12, 5] Operation: 3+2=5 Exploring Operation: 12/3=4, Resulting Numbers: [41, 2, 4] Generated Node #0,2: 44:[41, 2, 4] Operation: 12/3=4 Exploring Operation: 41+2=43, Resulting Numbers: [3, 12, 43] Generated Node #0,3: 44:[3, 12, 43] Operation: 41+2=43 Moving to Node #0,0 Current State: 44:[2, 12, 44], Operations: ['3+41=44'] Exploring Operation: 12/2=6, Resulting Numbers: [44, 6] Generated Node #0,0,0: 44:[44, 6] Operation: 12/2=6 Exploring Operation: 2*12=24, Resulting Numbers: [44, 24] Generated Node #0,0,1: 44:[44, 24] Operation: 2*12=24 Exploring Operation: 12-2=10, Resulting Numbers: [44, 10] Generated Node #0,0,2: 44:[44, 10] Operation: 12-2=10 Exploring Operation: 44/2=22, Resulting Numbers: [12, 22] Generated Node #0,0,3: 44:[12, 22] Operation: 44/2=22 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 44:[44, 10], Operations: ['3+41=44', '12-2=10'] Exploring Operation: 44*10=440, Resulting Numbers: [440] 440,44 unequal: No Solution Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 44:[12, 22], Operations: ['3+41=44', '44/2=22'] Exploring Operation: 12+22=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 12*22=264, Resulting Numbers: [264] 264,44 unequal: No Solution Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[44, 6], Operations: ['3+41=44', '12/2=6'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,44 unequal: No Solution Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,44 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 44:[44, 24], Operations: ['3+41=44', '2*12=24'] Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 44*24=1056, Resulting Numbers: [1056] 1056,44 unequal: No Solution Exploring Operation: 44+24=68, Resulting Numbers: [68] 68,44 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: 44:[3, 12, 43], Operations: ['41+2=43'] Exploring Operation: 12-3=9, Resulting Numbers: [43, 9] Generated Node #0,3,0: 44:[43, 9] Operation: 12-3=9 Exploring Operation: 12/3=4, Resulting Numbers: [43, 4] Generated Node #0,3,1: 44:[43, 4] Operation: 12/3=4 Exploring Operation: 3+43=46, Resulting Numbers: [12, 46] Generated Node #0,3,2: 44:[12, 46] Operation: 3+43=46 Exploring Operation: 3+12=15, Resulting Numbers: [43, 15] Generated Node #0,3,3: 44:[43, 15] Operation: 3+12=15 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 44:[43, 4], Operations: ['41+2=43', '12/3=4'] Exploring Operation: 43*4=172, Resulting Numbers: [172] 172,44 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,44 unequal: No Solution Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,44 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 #0,3,0 Current State: 44:[43, 9], Operations: ['41+2=43', '12-3=9'] Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,44 unequal: No Solution Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 43*9=387, Resulting Numbers: [387] 387,44 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 #0,3,2 Current State: 44:[12, 46], Operations: ['41+2=43', '3+43=46'] Exploring Operation: 12+46=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 46-12=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 12*46=552, Resulting Numbers: [552] 552,44 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 #0,3,3 Current State: 44:[43, 15], Operations: ['41+2=43', '3+12=15'] Exploring Operation: 43*15=645, Resulting Numbers: [645] 645,44 unequal: No Solution Exploring Operation: 43-15=28, Resulting Numbers: [28] 28,44 unequal: No Solution Exploring Operation: 43+15=58, Resulting Numbers: [58] 58,44 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: 44:[41, 2, 4], Operations: ['12/3=4'] Exploring Operation: 4/2=2, Resulting Numbers: [41, 2] Generated Node #0,2,0: 44:[41, 2] Operation: 4/2=2 Exploring Operation: 41+4=45, Resulting Numbers: [2, 45] Generated Node #0,2,1: 44:[2, 45] Operation: 41+4=45 Exploring Operation: 4-2=2, Resulting Numbers: [41, 2] Generated Node #0,2,2: 44:[41, 2] Operation: 4-2=2 Exploring Operation: 41+2=43, Resulting Numbers: [4, 43] Generated Node #0,2,3: 44:[4, 43] Operation: 41+2=43 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 44:[2, 45], Operations: ['12/3=4', '41+4=45'] Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,44 unequal: No Solution Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,44 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 44:[4, 43], Operations: ['12/3=4', '41+2=43'] Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,44 unequal: No Solution Exploring Operation: 4*43=172, Resulting Numbers: [172] 172,44 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 44:[41, 2], Operations: ['12/3=4', '4/2=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,44 unequal: No Solution Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,44 unequal: No Solution Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 44:[41, 2], Operations: ['12/3=4', '4-2=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,44 unequal: No Solution Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,44 unequal: No Solution Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,44 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: 44:[41, 12, 5], Operations: ['3+2=5'] Exploring Operation: 12+5=17, Resulting Numbers: [41, 17] Generated Node #0,1,0: 44:[41, 17] Operation: 12+5=17 Exploring Operation: 12-5=7, Resulting Numbers: [41, 7] Generated Node #0,1,1: 44:[41, 7] Operation: 12-5=7 Exploring Operation: 41+5=46, Resulting Numbers: [12, 46] Generated Node #0,1,2: 44:[12, 46] Operation: 41+5=46 Exploring Operation: 41-12=29, Resulting Numbers: [5, 29] Generated Node #0,1,3: 44:[5, 29] Operation: 41-12=29 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 44:[12, 46], Operations: ['3+2=5', '41+5=46'] Exploring Operation: 12+46=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 46-12=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 12*46=552, Resulting Numbers: [552] 552,44 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 #0,1,1 Current State: 44:[41, 7], Operations: ['3+2=5', '12-5=7'] Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 41+7=48, Resulting Numbers: [48] 48,44 unequal: No Solution Exploring Operation: 41*7=287, Resulting Numbers: [287] 287,44 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 #0,1,0 Current State: 44:[41, 17], Operations: ['3+2=5', '12+5=17'] Exploring Operation: 41*17=697, Resulting Numbers: [697] 697,44 unequal: No Solution Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 41+17=58, Resulting Numbers: [58] 58,44 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 #0,1,3 Current State: 44:[5, 29], Operations: ['3+2=5', '41-12=29'] Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 5*29=145, Resulting Numbers: [145] 145,44 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
[ 29, 27, 76, 38 ]
58
[ "29+27=56", "76+38=114", "114-56=58" ]
Current State: 58:[29, 27, 76, 38], Operations: [] Exploring Operation: 29+27=56, Resulting Numbers: [76, 38, 56] Generated Node #2: [76, 38, 56] from Operation: 29+27=56 Current State: 58:[76, 38, 56], Operations: ['29+27=56'] Exploring Operation: 76+38=114, Resulting Numbers: [56, 114] Generated Node #3: [56, 114] from Operation: 76+38=114 Current State: 58:[56, 114], Operations: ['29+27=56', '76+38=114'] Exploring Operation: 114-56=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[29, 27, 76, 38], Operations: [] Exploring Operation: 76/38=2, Resulting Numbers: [29, 27, 2] Generated Node #0,0: 58:[29, 27, 2] Operation: 76/38=2 Exploring Operation: 76-38=38, Resulting Numbers: [29, 27, 38] Generated Node #0,1: 58:[29, 27, 38] Operation: 76-38=38 Moving to Node #0,0 Current State: 58:[29, 27, 2], Operations: ['76/38=2'] Exploring Operation: 27+2=29, Resulting Numbers: [29, 29] Generated Node #0,0,0: 58:[29, 29] Operation: 27+2=29 Exploring Operation: 29-27=2, Resulting Numbers: [2, 2] Generated Node #0,0,1: 58:[2, 2] Operation: 29-27=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[29, 29], Operations: ['76/38=2', '27+2=29'] Exploring Operation: 29+29=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[29, 27, 76, 38], Operations: [] Exploring Operation: 76/38=2, Resulting Numbers: [29, 27, 2] Generated Node #0,0: 58:[29, 27, 2] Operation: 76/38=2 Moving to Node #0,0 Current State: 58:[29, 27, 2], Operations: ['76/38=2'] Exploring Operation: 27+2=29, Resulting Numbers: [29, 29] Generated Node #0,0,0: 58:[29, 29] Operation: 27+2=29 Moving to Node #0,0,0 Current State: 58:[29, 29], Operations: ['76/38=2', '27+2=29'] Exploring Operation: 29+29=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 29, 45, 33, 85 ]
68
[ "45-29=16", "85-33=52", "16+52=68" ]
Current State: 68:[29, 45, 33, 85], Operations: [] Exploring Operation: 45-29=16, Resulting Numbers: [33, 85, 16] Generated Node #2: [33, 85, 16] from Operation: 45-29=16 Current State: 68:[33, 85, 16], Operations: ['45-29=16'] Exploring Operation: 85-33=52, Resulting Numbers: [16, 52] Generated Node #3: [16, 52] from Operation: 85-33=52 Current State: 68:[16, 52], Operations: ['45-29=16', '85-33=52'] Exploring Operation: 16+52=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[29, 45, 33, 85], Operations: [] Exploring Operation: 45-29=16, Resulting Numbers: [33, 85, 16] Generated Node #0,0: 68:[33, 85, 16] Operation: 45-29=16 Exploring Operation: 85-45=40, Resulting Numbers: [29, 33, 40] Generated Node #0,1: 68:[29, 33, 40] Operation: 85-45=40 Moving to Node #0,1 Current State: 68:[29, 33, 40], Operations: ['85-45=40'] Exploring Operation: 29+40=69, Resulting Numbers: [33, 69] Generated Node #0,1,0: 68:[33, 69] Operation: 29+40=69 Exploring Operation: 33-29=4, Resulting Numbers: [40, 4] Generated Node #0,1,1: 68:[40, 4] Operation: 33-29=4 Moving to Node #0,0 Current State: 68:[33, 85, 16], Operations: ['45-29=16'] Exploring Operation: 85-33=52, Resulting Numbers: [16, 52] Generated Node #0,0,0: 68:[16, 52] Operation: 85-33=52 Exploring Operation: 85-16=69, Resulting Numbers: [33, 69] Generated Node #0,0,1: 68:[33, 69] Operation: 85-16=69 Moving to Node #0,1,0 Current State: 68:[33, 69], Operations: ['85-45=40', '29+40=69'] Exploring Operation: 33+69=102, Resulting Numbers: [102] 102,68 unequal: No Solution Exploring Operation: 69-33=36, Resulting Numbers: [36] 36,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[33, 69], Operations: ['45-29=16', '85-16=69'] Exploring Operation: 33+69=102, Resulting Numbers: [102] 102,68 unequal: No Solution Exploring Operation: 69-33=36, Resulting Numbers: [36] 36,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[40, 4], Operations: ['85-45=40', '33-29=4'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,68 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[16, 52], Operations: ['45-29=16', '85-33=52'] Exploring Operation: 16+52=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[29, 45, 33, 85], Operations: [] Exploring Operation: 45-29=16, Resulting Numbers: [33, 85, 16] Generated Node #0,0: 68:[33, 85, 16] Operation: 45-29=16 Moving to Node #0,0 Current State: 68:[33, 85, 16], Operations: ['45-29=16'] Exploring Operation: 85-33=52, Resulting Numbers: [16, 52] Generated Node #0,0,0: 68:[16, 52] Operation: 85-33=52 Moving to Node #0,0,0 Current State: 68:[16, 52], Operations: ['45-29=16', '85-33=52'] Exploring Operation: 16+52=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
0.985243
hs_2
sum_heuristic
[ 71, 16, 14, 29 ]
44
[ "71+16=87", "14+29=43", "87-43=44" ]
Current State: 44:[71, 16, 14, 29], Operations: [] Exploring Operation: 71+16=87, Resulting Numbers: [14, 29, 87] Generated Node #2: [14, 29, 87] from Operation: 71+16=87 Current State: 44:[14, 29, 87], Operations: ['71+16=87'] Exploring Operation: 14+29=43, Resulting Numbers: [87, 43] Generated Node #3: [87, 43] from Operation: 14+29=43 Current State: 44:[87, 43], Operations: ['71+16=87', '14+29=43'] Exploring Operation: 87-43=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[71, 16, 14, 29], Operations: [] Exploring Operation: 71-14=57, Resulting Numbers: [16, 29, 57] Generated Node #0,0: 44:[16, 29, 57] Operation: 71-14=57 Exploring Operation: 71-16=55, Resulting Numbers: [14, 29, 55] Generated Node #0,1: 44:[14, 29, 55] Operation: 71-16=55 Exploring Operation: 71-29=42, Resulting Numbers: [16, 14, 42] Generated Node #0,2: 44:[16, 14, 42] Operation: 71-29=42 Moving to Node #0,2 Current State: 44:[16, 14, 42], Operations: ['71-29=42'] Exploring Operation: 42/14=3, Resulting Numbers: [16, 3] Generated Node #0,2,0: 44:[16, 3] Operation: 42/14=3 Exploring Operation: 16-14=2, Resulting Numbers: [42, 2] Generated Node #0,2,1: 44:[42, 2] Operation: 16-14=2 Exploring Operation: 42-16=26, Resulting Numbers: [14, 26] Generated Node #0,2,2: 44:[14, 26] Operation: 42-16=26 Moving to Node #0,1 Current State: 44:[14, 29, 55], Operations: ['71-16=55'] Exploring Operation: 14+29=43, Resulting Numbers: [55, 43] Generated Node #0,1,0: 44:[55, 43] Operation: 14+29=43 Exploring Operation: 55-14=41, Resulting Numbers: [29, 41] Generated Node #0,1,1: 44:[29, 41] Operation: 55-14=41 Exploring Operation: 55-29=26, Resulting Numbers: [14, 26] Generated Node #0,1,2: 44:[14, 26] Operation: 55-29=26 Moving to Node #0,0 Current State: 44:[16, 29, 57], Operations: ['71-14=57'] Exploring Operation: 16+29=45, Resulting Numbers: [57, 45] Generated Node #0,0,0: 44:[57, 45] Operation: 16+29=45 Exploring Operation: 57-16=41, Resulting Numbers: [29, 41] Generated Node #0,0,1: 44:[29, 41] Operation: 57-16=41 Exploring Operation: 57-29=28, Resulting Numbers: [16, 28] Generated Node #0,0,2: 44:[16, 28] Operation: 57-29=28 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 44:[29, 41], Operations: ['71-14=57', '57-16=41'] Exploring Operation: 29+41=70, Resulting Numbers: [70] 70,44 unequal: No Solution Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,44 unequal: No Solution Exploring Operation: 29*41=1189, Resulting Numbers: [1189] 1189,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 44:[16, 28], Operations: ['71-14=57', '57-29=28'] Exploring Operation: 16*28=448, Resulting Numbers: [448] 448,44 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,44 unequal: No Solution Exploring Operation: 16+28=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[71, 16, 14, 29], Operations: [] Exploring Operation: 71-14=57, Resulting Numbers: [16, 29, 57] Generated Node #0,0: 44:[16, 29, 57] Operation: 71-14=57 Moving to Node #0,0 Current State: 44:[16, 29, 57], Operations: ['71-14=57'] Exploring Operation: 57-29=28, Resulting Numbers: [16, 28] Generated Node #0,0,2: 44:[16, 28] Operation: 57-29=28 Moving to Node #0,0,2 Current State: 44:[16, 28], Operations: ['71-14=57', '57-29=28'] Exploring Operation: 16+28=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_3
sum_heuristic
[ 6, 85, 19, 1 ]
12
[ "85-19=66", "66/6=11", "1+11=12" ]
Current State: 12:[6, 85, 19, 1], Operations: [] Exploring Operation: 85-19=66, Resulting Numbers: [6, 1, 66] Generated Node #2: [6, 1, 66] from Operation: 85-19=66 Current State: 12:[6, 1, 66], Operations: ['85-19=66'] Exploring Operation: 66/6=11, Resulting Numbers: [1, 11] Generated Node #3: [1, 11] from Operation: 66/6=11 Current State: 12:[1, 11], Operations: ['85-19=66', '66/6=11'] Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[6, 85, 19, 1], Operations: [] Exploring Operation: 85-6=79, Resulting Numbers: [19, 1, 79] Generated Node #0,0: 12:[19, 1, 79] Operation: 85-6=79 Exploring Operation: 19-6=13, Resulting Numbers: [85, 1, 13] Generated Node #0,1: 12:[85, 1, 13] Operation: 19-6=13 Exploring Operation: 85-1=84, Resulting Numbers: [6, 19, 84] Generated Node #0,2: 12:[6, 19, 84] Operation: 85-1=84 Exploring Operation: 85-19=66, Resulting Numbers: [6, 1, 66] Generated Node #0,3: 12:[6, 1, 66] Operation: 85-19=66 Start Sub Search at level 1: Moving to Node #0,3 Current State: 12:[6, 1, 66], Operations: ['85-19=66'] Exploring Operation: 66/6=11, Resulting Numbers: [1, 11] Generated Node #0,3,0: 12:[1, 11] Operation: 66/6=11 Exploring Operation: 6*1=6, Resulting Numbers: [66, 6] Generated Node #0,3,1: 12:[66, 6] Operation: 6*1=6 Exploring Operation: 66-6=60, Resulting Numbers: [1, 60] Generated Node #0,3,2: 12:[1, 60] Operation: 66-6=60 Exploring Operation: 66-1=65, Resulting Numbers: [6, 65] Generated Node #0,3,3: 12:[6, 65] Operation: 66-1=65 Moving to Node #0,3,0 Current State: 12:[1, 11], Operations: ['85-19=66', '66/6=11'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,12 unequal: No Solution Exploring Operation: 11/1=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:[6, 85, 19, 1], Operations: [] Exploring Operation: 85-19=66, Resulting Numbers: [6, 1, 66] Generated Node #0,3: 12:[6, 1, 66] Operation: 85-19=66 Moving to Node #0,3 Current State: 12:[6, 1, 66], Operations: ['85-19=66'] Exploring Operation: 66/6=11, Resulting Numbers: [1, 11] Generated Node #0,3,0: 12:[1, 11] Operation: 66/6=11 Moving to Node #0,3,0 Current State: 12:[1, 11], Operations: ['85-19=66', '66/6=11'] Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 13, 56, 42, 89 ]
62
[ "13+56=69", "42+89=131", "131-69=62" ]
Current State: 62:[13, 56, 42, 89], Operations: [] Exploring Operation: 13+56=69, Resulting Numbers: [42, 89, 69] Generated Node #2: [42, 89, 69] from Operation: 13+56=69 Current State: 62:[42, 89, 69], Operations: ['13+56=69'] Exploring Operation: 42+89=131, Resulting Numbers: [69, 131] Generated Node #3: [69, 131] from Operation: 42+89=131 Current State: 62:[69, 131], Operations: ['13+56=69', '42+89=131'] Exploring Operation: 131-69=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[13, 56, 42, 89], Operations: [] Exploring Operation: 89-13=76, Resulting Numbers: [56, 42, 76] Generated Node #0,0: 62:[56, 42, 76] Operation: 89-13=76 Exploring Operation: 89-42=47, Resulting Numbers: [13, 56, 47] Generated Node #0,1: 62:[13, 56, 47] Operation: 89-42=47 Exploring Operation: 13+42=55, Resulting Numbers: [56, 89, 55] Generated Node #0,2: 62:[56, 89, 55] Operation: 13+42=55 Exploring Operation: 89-56=33, Resulting Numbers: [13, 42, 33] Generated Node #0,3: 62:[13, 42, 33] Operation: 89-56=33 Exploring Operation: 42-13=29, Resulting Numbers: [56, 89, 29] Generated Node #0,4: 62:[56, 89, 29] Operation: 42-13=29 Start Sub Search at level 1: Moving to Node #0,3 Current State: 62:[13, 42, 33], Operations: ['89-56=33'] Exploring Operation: 42-13=29, Resulting Numbers: [33, 29] Generated Node #0,3,0: 62:[33, 29] Operation: 42-13=29 Exploring Operation: 33-13=20, Resulting Numbers: [42, 20] Generated Node #0,3,1: 62:[42, 20] Operation: 33-13=20 Exploring Operation: 13+42=55, Resulting Numbers: [33, 55] Generated Node #0,3,2: 62:[33, 55] Operation: 13+42=55 Exploring Operation: 42-33=9, Resulting Numbers: [13, 9] Generated Node #0,3,3: 62:[13, 9] Operation: 42-33=9 Exploring Operation: 42+33=75, Resulting Numbers: [13, 75] Generated Node #0,3,4: 62:[13, 75] Operation: 42+33=75 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 62:[33, 29], Operations: ['89-56=33', '42-13=29'] Exploring Operation: 33*29=957, Resulting Numbers: [957] 957,62 unequal: No Solution Exploring Operation: 33+29=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[13, 56, 42, 89], Operations: [] Exploring Operation: 89-56=33, Resulting Numbers: [13, 42, 33] Generated Node #0,3: 62:[13, 42, 33] Operation: 89-56=33 Moving to Node #0,3 Current State: 62:[13, 42, 33], Operations: ['89-56=33'] Exploring Operation: 42-13=29, Resulting Numbers: [33, 29] Generated Node #0,3,0: 62:[33, 29] Operation: 42-13=29 Moving to Node #0,3,0 Current State: 62:[33, 29], Operations: ['89-56=33', '42-13=29'] Exploring Operation: 33+29=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 77, 69, 25, 75 ]
47
[ "77-75=2", "69+25=94", "94/2=47" ]
Current State: 47:[77, 69, 25, 75], Operations: [] Exploring Operation: 77-75=2, Resulting Numbers: [69, 25, 2] Generated Node #2: [69, 25, 2] from Operation: 77-75=2 Current State: 47:[69, 25, 2], Operations: ['77-75=2'] Exploring Operation: 69+25=94, Resulting Numbers: [2, 94] Generated Node #3: [2, 94] from Operation: 69+25=94 Current State: 47:[2, 94], Operations: ['77-75=2', '69+25=94'] Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[77, 69, 25, 75], Operations: [] Exploring Operation: 77-69=8, Resulting Numbers: [25, 75, 8] Generated Node #0,0: 47:[25, 75, 8] Operation: 77-69=8 Exploring Operation: 77-25=52, Resulting Numbers: [69, 75, 52] Generated Node #0,1: 47:[69, 75, 52] Operation: 77-25=52 Exploring Operation: 75-25=50, Resulting Numbers: [77, 69, 50] Generated Node #0,2: 47:[77, 69, 50] Operation: 75-25=50 Exploring Operation: 69-25=44, Resulting Numbers: [77, 75, 44] Generated Node #0,3: 47:[77, 75, 44] Operation: 69-25=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[69, 75, 52], Operations: ['77-25=52'] Exploring Operation: 75-52=23, Resulting Numbers: [69, 23] Generated Node #0,1,0: 47:[69, 23] Operation: 75-52=23 Exploring Operation: 69-52=17, Resulting Numbers: [75, 17] Generated Node #0,1,1: 47:[75, 17] Operation: 69-52=17 Exploring Operation: 69+75=144, Resulting Numbers: [52, 144] Generated Node #0,1,2: 47:[52, 144] Operation: 69+75=144 Exploring Operation: 75-69=6, Resulting Numbers: [52, 6] Generated Node #0,1,3: 47:[52, 6] Operation: 75-69=6 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 47:[69, 23], Operations: ['77-25=52', '75-52=23'] Exploring Operation: 69/23=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 69*23=1587, Resulting Numbers: [1587] 1587,47 unequal: No Solution Exploring Operation: 69-23=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 69+23=92, Resulting Numbers: [92] 92,47 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 #0,1,3 Current State: 47:[52, 6], Operations: ['77-25=52', '75-69=6'] Exploring Operation: 52*6=312, Resulting Numbers: [312] 312,47 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,47 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:[75, 17], Operations: ['77-25=52', '69-52=17'] Exploring Operation: 75*17=1275, Resulting Numbers: [1275] 1275,47 unequal: No Solution Exploring Operation: 75-17=58, Resulting Numbers: [58] 58,47 unequal: No Solution Exploring Operation: 75+17=92, Resulting Numbers: [92] 92,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 47:[52, 144], Operations: ['77-25=52', '69+75=144'] Exploring Operation: 144-52=92, Resulting Numbers: [92] 92,47 unequal: No Solution Exploring Operation: 52*144=7488, Resulting Numbers: [7488] 7488,47 unequal: No Solution Exploring Operation: 52+144=196, Resulting Numbers: [196] 196,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[77, 69, 50], Operations: ['75-25=50'] Exploring Operation: 77-50=27, Resulting Numbers: [69, 27] Generated Node #0,2,0: 47:[69, 27] Operation: 77-50=27 Exploring Operation: 69-50=19, Resulting Numbers: [77, 19] Generated Node #0,2,1: 47:[77, 19] Operation: 69-50=19 Exploring Operation: 77+69=146, Resulting Numbers: [50, 146] Generated Node #0,2,2: 47:[50, 146] Operation: 77+69=146 Exploring Operation: 77-69=8, Resulting Numbers: [50, 8] Generated Node #0,2,3: 47:[50, 8] Operation: 77-69=8 Moving to Node #0,2,0 Current State: 47:[69, 27], Operations: ['75-25=50', '77-50=27'] Exploring Operation: 69*27=1863, Resulting Numbers: [1863] 1863,47 unequal: No Solution Exploring Operation: 69-27=42, Resulting Numbers: [42] 42,47 unequal: No Solution Exploring Operation: 69+27=96, Resulting Numbers: [96] 96,47 unequal: No Solution Moving to Node #0,2,3 Current State: 47:[50, 8], Operations: ['75-25=50', '77-69=8'] Exploring Operation: 50+8=58, Resulting Numbers: [58] 58,47 unequal: No Solution Exploring Operation: 50-8=42, Resulting Numbers: [42] 42,47 unequal: No Solution Exploring Operation: 50*8=400, Resulting Numbers: [400] 400,47 unequal: No Solution Moving to Node #0,2,1 Current State: 47:[77, 19], Operations: ['75-25=50', '69-50=19'] Exploring Operation: 77*19=1463, Resulting Numbers: [1463] 1463,47 unequal: No Solution Exploring Operation: 77+19=96, Resulting Numbers: [96] 96,47 unequal: No Solution Exploring Operation: 77-19=58, Resulting Numbers: [58] 58,47 unequal: No Solution Moving to Node #0,2,2 Current State: 47:[50, 146], Operations: ['75-25=50', '77+69=146'] Exploring Operation: 50+146=196, Resulting Numbers: [196] 196,47 unequal: No Solution Exploring Operation: 146-50=96, Resulting Numbers: [96] 96,47 unequal: No Solution Exploring Operation: 50*146=7300, Resulting Numbers: [7300] 7300,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 47:[77, 75, 44], Operations: ['69-25=44'] Exploring Operation: 75-44=31, Resulting Numbers: [77, 31] Generated Node #0,3,0: 47:[77, 31] Operation: 75-44=31 Exploring Operation: 77-44=33, Resulting Numbers: [75, 33] Generated Node #0,3,1: 47:[75, 33] Operation: 77-44=33 Exploring Operation: 77+44=121, Resulting Numbers: [75, 121] Generated Node #0,3,2: 47:[75, 121] Operation: 77+44=121 Exploring Operation: 77-75=2, Resulting Numbers: [44, 2] Generated Node #0,3,3: 47:[44, 2] Operation: 77-75=2 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 47:[75, 33], Operations: ['69-25=44', '77-44=33'] Exploring Operation: 75*33=2475, Resulting Numbers: [2475] 2475,47 unequal: No Solution Exploring Operation: 75-33=42, Resulting Numbers: [42] 42,47 unequal: No Solution Exploring Operation: 75+33=108, Resulting Numbers: [108] 108,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 47:[77, 31], Operations: ['69-25=44', '75-44=31'] Exploring Operation: 77-31=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 77*31=2387, Resulting Numbers: [2387] 2387,47 unequal: No Solution Exploring Operation: 77+31=108, Resulting Numbers: [108] 108,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 47:[44, 2], Operations: ['69-25=44', '77-75=2'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,47 unequal: No Solution Exploring Operation: 44+2=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,47 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 47:[75, 121], Operations: ['69-25=44', '77+44=121'] Exploring Operation: 75+121=196, Resulting Numbers: [196] 196,47 unequal: No Solution Exploring Operation: 121-75=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 75*121=9075, Resulting Numbers: [9075] 9075,47 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:[25, 75, 8], Operations: ['77-69=8'] Exploring Operation: 25+8=33, Resulting Numbers: [75, 33] Generated Node #0,0,0: 47:[75, 33] Operation: 25+8=33 Exploring Operation: 75-25=50, Resulting Numbers: [8, 50] Generated Node #0,0,1: 47:[8, 50] Operation: 75-25=50 Exploring Operation: 25-8=17, Resulting Numbers: [75, 17] Generated Node #0,0,2: 47:[75, 17] Operation: 25-8=17 Exploring Operation: 75-8=67, Resulting Numbers: [25, 67] Generated Node #0,0,3: 47:[25, 67] Operation: 75-8=67 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[75, 33], Operations: ['77-69=8', '25+8=33'] Exploring Operation: 75+33=108, Resulting Numbers: [108] 108,47 unequal: No Solution Exploring Operation: 75-33=42, Resulting Numbers: [42] 42,47 unequal: No Solution Exploring Operation: 75*33=2475, Resulting Numbers: [2475] 2475,47 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:[8, 50], Operations: ['77-69=8', '75-25=50'] Exploring Operation: 8+50=58, Resulting Numbers: [58] 58,47 unequal: No Solution Exploring Operation: 50-8=42, Resulting Numbers: [42] 42,47 unequal: No Solution Exploring Operation: 8*50=400, Resulting Numbers: [400] 400,47 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 #0,0,3 Current State: 47:[25, 67], Operations: ['77-69=8', '75-8=67'] Exploring Operation: 25*67=1675, Resulting Numbers: [1675] 1675,47 unequal: No Solution Exploring Operation: 67-25=42, Resulting Numbers: [42] 42,47 unequal: No Solution Exploring Operation: 25+67=92, Resulting Numbers: [92] 92,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 47:[75, 17], Operations: ['77-69=8', '25-8=17'] Exploring Operation: 75*17=1275, Resulting Numbers: [1275] 1275,47 unequal: No Solution Exploring Operation: 75+17=92, Resulting Numbers: [92] 92,47 unequal: No Solution Exploring Operation: 75-17=58, Resulting Numbers: [58] 58,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic