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
[ 96, 40, 76, 90 ]
88
[ "96-76=20", "40/20=2", "90-2=88" ]
Current State: 88:[96, 40, 76, 90], Operations: [] Exploring Operation: 96-76=20, Resulting Numbers: [40, 90, 20] Generated Node #2: [40, 90, 20] from Operation: 96-76=20 Current State: 88:[40, 90, 20], Operations: ['96-76=20'] Exploring Operation: 40/20=2, Resulting Numbers: [90, 2] Generated Node #3: [90, 2] from Operation: 40/20=2 Current State: 88:[90, 2], Operations: ['96-76=20', '40/20=2'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[96, 40, 76, 90], Operations: [] Exploring Operation: 96-76=20, Resulting Numbers: [40, 90, 20] Generated Node #0,0: 88:[40, 90, 20] Operation: 96-76=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[40, 90, 20], Operations: ['96-76=20'] Exploring Operation: 40/20=2, Resulting Numbers: [90, 2] Generated Node #0,0,0: 88:[90, 2] Operation: 40/20=2 Moving to Node #0,0,0 Current State: 88:[90, 2], Operations: ['96-76=20', '40/20=2'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[96, 40, 76, 90], Operations: [] Exploring Operation: 96-76=20, Resulting Numbers: [40, 90, 20] Generated Node #0,0: 88:[40, 90, 20] Operation: 96-76=20 Moving to Node #0,0 Current State: 88:[40, 90, 20], Operations: ['96-76=20'] Exploring Operation: 40/20=2, Resulting Numbers: [90, 2] Generated Node #0,0,0: 88:[90, 2] Operation: 40/20=2 Moving to Node #0,0,0 Current State: 88:[90, 2], Operations: ['96-76=20', '40/20=2'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 91, 7, 27, 36 ]
35
[ "91+7=98", "27+36=63", "98-63=35" ]
Current State: 35:[91, 7, 27, 36], Operations: [] Exploring Operation: 91+7=98, Resulting Numbers: [27, 36, 98] Generated Node #2: [27, 36, 98] from Operation: 91+7=98 Current State: 35:[27, 36, 98], Operations: ['91+7=98'] Exploring Operation: 27+36=63, Resulting Numbers: [98, 63] Generated Node #3: [98, 63] from Operation: 27+36=63 Current State: 35:[98, 63], Operations: ['91+7=98', '27+36=63'] Exploring Operation: 98-63=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[91, 7, 27, 36], Operations: [] Exploring Operation: 91/7=13, Resulting Numbers: [27, 36, 13] Generated Node #0,0: 35:[27, 36, 13] Operation: 91/7=13 Moving to Node #0,0 Current State: 35:[27, 36, 13], Operations: ['91/7=13'] Exploring Operation: 27+13=40, Resulting Numbers: [36, 40] Generated Node #0,0,0: 35:[36, 40] Operation: 27+13=40 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[36, 40], Operations: ['91/7=13', '27+13=40'] Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,35 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
[ 60, 61, 6, 64 ]
69
[ "61-60=1", "6+64=70", "70-1=69" ]
Current State: 69:[60, 61, 6, 64], Operations: [] Exploring Operation: 61-60=1, Resulting Numbers: [6, 64, 1] Generated Node #2: [6, 64, 1] from Operation: 61-60=1 Current State: 69:[6, 64, 1], Operations: ['61-60=1'] Exploring Operation: 6+64=70, Resulting Numbers: [1, 70] Generated Node #3: [1, 70] from Operation: 6+64=70 Current State: 69:[1, 70], Operations: ['61-60=1', '6+64=70'] Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[60, 61, 6, 64], Operations: [] Exploring Operation: 61-60=1, Resulting Numbers: [6, 64, 1] Generated Node #0,0: 69:[6, 64, 1] Operation: 61-60=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[6, 64, 1], Operations: ['61-60=1'] Exploring Operation: 6+64=70, Resulting Numbers: [1, 70] Generated Node #0,0,0: 69:[1, 70] Operation: 6+64=70 Moving to Node #0,0,0 Current State: 69:[1, 70], Operations: ['61-60=1', '6+64=70'] Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[60, 61, 6, 64], Operations: [] Exploring Operation: 61-60=1, Resulting Numbers: [6, 64, 1] Generated Node #0,0: 69:[6, 64, 1] Operation: 61-60=1 Moving to Node #0,0 Current State: 69:[6, 64, 1], Operations: ['61-60=1'] Exploring Operation: 6+64=70, Resulting Numbers: [1, 70] Generated Node #0,0,0: 69:[1, 70] Operation: 6+64=70 Moving to Node #0,0,0 Current State: 69:[1, 70], Operations: ['61-60=1', '6+64=70'] Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 2, 24, 22, 80 ]
30
[ "24+80=104", "104/2=52", "52-22=30" ]
Current State: 30:[2, 24, 22, 80], Operations: [] Exploring Operation: 24+80=104, Resulting Numbers: [2, 22, 104] Generated Node #2: [2, 22, 104] from Operation: 24+80=104 Current State: 30:[2, 22, 104], Operations: ['24+80=104'] Exploring Operation: 104/2=52, Resulting Numbers: [22, 52] Generated Node #3: [22, 52] from Operation: 104/2=52 Current State: 30:[22, 52], Operations: ['24+80=104', '104/2=52'] Exploring Operation: 52-22=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[2, 24, 22, 80], Operations: [] Exploring Operation: 80/2=40, Resulting Numbers: [24, 22, 40] Generated Node #0,0: 30:[24, 22, 40] Operation: 80/2=40 Moving to Node #0,0 Current State: 30:[24, 22, 40], Operations: ['80/2=40'] Exploring Operation: 40-24=16, Resulting Numbers: [22, 16] Generated Node #0,0,0: 30:[22, 16] Operation: 40-24=16 Moving to Node #0,0,0 Current State: 30:[22, 16], Operations: ['80/2=40', '40-24=16'] Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,30 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 18, 69, 64, 78 ]
98
[ "78-69=9", "18*9=162", "162-64=98" ]
Current State: 98:[18, 69, 64, 78], Operations: [] Exploring Operation: 78-69=9, Resulting Numbers: [18, 64, 9] Generated Node #2: [18, 64, 9] from Operation: 78-69=9 Current State: 98:[18, 64, 9], Operations: ['78-69=9'] Exploring Operation: 18*9=162, Resulting Numbers: [64, 162] Generated Node #3: [64, 162] from Operation: 18*9=162 Current State: 98:[64, 162], Operations: ['78-69=9', '18*9=162'] Exploring Operation: 162-64=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[18, 69, 64, 78], Operations: [] Exploring Operation: 69-18=51, Resulting Numbers: [64, 78, 51] Generated Node #0,0: 98:[64, 78, 51] Operation: 69-18=51 Exploring Operation: 78-69=9, Resulting Numbers: [18, 64, 9] Generated Node #0,1: 98:[18, 64, 9] Operation: 78-69=9 Exploring Operation: 69-64=5, Resulting Numbers: [18, 78, 5] Generated Node #0,2: 98:[18, 78, 5] Operation: 69-64=5 Exploring Operation: 18+78=96, Resulting Numbers: [69, 64, 96] Generated Node #0,3: 98:[69, 64, 96] Operation: 18+78=96 Exploring Operation: 78-64=14, Resulting Numbers: [18, 69, 14] Generated Node #0,4: 98:[18, 69, 14] Operation: 78-64=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[18, 64, 9], Operations: ['78-69=9'] Exploring Operation: 64-18=46, Resulting Numbers: [9, 46] Generated Node #0,1,0: 98:[9, 46] Operation: 64-18=46 Exploring Operation: 18+64=82, Resulting Numbers: [9, 82] Generated Node #0,1,1: 98:[9, 82] Operation: 18+64=82 Exploring Operation: 64-9=55, Resulting Numbers: [18, 55] Generated Node #0,1,2: 98:[18, 55] Operation: 64-9=55 Exploring Operation: 18-9=9, Resulting Numbers: [64, 9] Generated Node #0,1,3: 98:[64, 9] Operation: 18-9=9 Exploring Operation: 18/9=2, Resulting Numbers: [64, 2] Generated Node #0,1,4: 98:[64, 2] Operation: 18/9=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[9, 46], Operations: ['78-69=9', '64-18=46'] Exploring Operation: 9+46=55, Resulting Numbers: [55] 55,98 unequal: No Solution Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,98 unequal: No Solution Exploring Operation: 9*46=414, Resulting Numbers: [414] 414,98 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:[18, 55], Operations: ['78-69=9', '64-9=55'] Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,98 unequal: No Solution Exploring Operation: 18+55=73, Resulting Numbers: [73] 73,98 unequal: No Solution Exploring Operation: 18*55=990, Resulting Numbers: [990] 990,98 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 #0,1,4 Current State: 98:[64, 2], Operations: ['78-69=9', '18/9=2'] Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,98 unequal: No Solution Exploring Operation: 64*2=128, Resulting Numbers: [128] 128,98 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,98 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,98 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 #0,1,3 Current State: 98:[64, 9], Operations: ['78-69=9', '18-9=9'] Exploring Operation: 64*9=576, Resulting Numbers: [576] 576,98 unequal: No Solution Exploring Operation: 64+9=73, Resulting Numbers: [73] 73,98 unequal: No Solution Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,98 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 #0,1,1 Current State: 98:[9, 82], Operations: ['78-69=9', '18+64=82'] Exploring Operation: 9*82=738, Resulting Numbers: [738] 738,98 unequal: No Solution Exploring Operation: 9+82=91, Resulting Numbers: [91] 91,98 unequal: No Solution Exploring Operation: 82-9=73, Resulting Numbers: [73] 73,98 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 #0,4 Current State: 98:[18, 69, 14], Operations: ['78-64=14'] Exploring Operation: 18-14=4, Resulting Numbers: [69, 4] Generated Node #0,4,0: 98:[69, 4] Operation: 18-14=4 Exploring Operation: 69-14=55, Resulting Numbers: [18, 55] Generated Node #0,4,1: 98:[18, 55] Operation: 69-14=55 Exploring Operation: 69+14=83, Resulting Numbers: [18, 83] Generated Node #0,4,2: 98:[18, 83] Operation: 69+14=83 Exploring Operation: 18+69=87, Resulting Numbers: [14, 87] Generated Node #0,4,3: 98:[14, 87] Operation: 18+69=87 Exploring Operation: 69-18=51, Resulting Numbers: [14, 51] Generated Node #0,4,4: 98:[14, 51] Operation: 69-18=51 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 98:[14, 51], Operations: ['78-64=14', '69-18=51'] Exploring Operation: 14+51=65, Resulting Numbers: [65] 65,98 unequal: No Solution Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,98 unequal: No Solution Exploring Operation: 14*51=714, Resulting Numbers: [714] 714,98 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 #0,4,1 Current State: 98:[18, 55], Operations: ['78-64=14', '69-14=55'] Exploring Operation: 18+55=73, Resulting Numbers: [73] 73,98 unequal: No Solution Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,98 unequal: No Solution Exploring Operation: 18*55=990, Resulting Numbers: [990] 990,98 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 #0,4,3 Current State: 98:[14, 87], Operations: ['78-64=14', '18+69=87'] Exploring Operation: 14*87=1218, Resulting Numbers: [1218] 1218,98 unequal: No Solution Exploring Operation: 14+87=101, Resulting Numbers: [101] 101,98 unequal: No Solution Exploring Operation: 87-14=73, Resulting Numbers: [73] 73,98 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 #0,4,2 Current State: 98:[18, 83], Operations: ['78-64=14', '69+14=83'] Exploring Operation: 83-18=65, Resulting Numbers: [65] 65,98 unequal: No Solution Exploring Operation: 18+83=101, Resulting Numbers: [101] 101,98 unequal: No Solution Exploring Operation: 18*83=1494, Resulting Numbers: [1494] 1494,98 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 #0,4,0 Current State: 98:[69, 4], Operations: ['78-64=14', '18-14=4'] Exploring Operation: 69+4=73, Resulting Numbers: [73] 73,98 unequal: No Solution Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,98 unequal: No Solution Exploring Operation: 69*4=276, Resulting Numbers: [276] 276,98 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:[18, 78, 5], Operations: ['69-64=5'] Exploring Operation: 18+78=96, Resulting Numbers: [5, 96] Generated Node #0,2,0: 98:[5, 96] Operation: 18+78=96 Exploring Operation: 18*5=90, Resulting Numbers: [78, 90] Generated Node #0,2,1: 98:[78, 90] Operation: 18*5=90 Exploring Operation: 18-5=13, Resulting Numbers: [78, 13] Generated Node #0,2,2: 98:[78, 13] Operation: 18-5=13 Exploring Operation: 78-18=60, Resulting Numbers: [5, 60] Generated Node #0,2,3: 98:[5, 60] Operation: 78-18=60 Exploring Operation: 78+5=83, Resulting Numbers: [18, 83] Generated Node #0,2,4: 98:[18, 83] Operation: 78+5=83 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 98:[5, 96], Operations: ['69-64=5', '18+78=96'] Exploring Operation: 5+96=101, Resulting Numbers: [101] 101,98 unequal: No Solution Exploring Operation: 5*96=480, Resulting Numbers: [480] 480,98 unequal: No Solution Exploring Operation: 96-5=91, Resulting Numbers: [91] 91,98 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 #0,2,3 Current State: 98:[5, 60], Operations: ['69-64=5', '78-18=60'] Exploring Operation: 5*60=300, Resulting Numbers: [300] 300,98 unequal: No Solution Exploring Operation: 5+60=65, Resulting Numbers: [65] 65,98 unequal: No Solution Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,98 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 #0,2,4 Current State: 98:[18, 83], Operations: ['69-64=5', '78+5=83'] Exploring Operation: 83-18=65, Resulting Numbers: [65] 65,98 unequal: No Solution Exploring Operation: 18*83=1494, Resulting Numbers: [1494] 1494,98 unequal: No Solution Exploring Operation: 18+83=101, Resulting Numbers: [101] 101,98 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 #0,2,2 Current State: 98:[78, 13], Operations: ['69-64=5', '18-5=13'] Exploring Operation: 78*13=1014, Resulting Numbers: [1014] 1014,98 unequal: No Solution Exploring Operation: 78/13=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 78-13=65, Resulting Numbers: [65] 65,98 unequal: No Solution Exploring Operation: 78+13=91, Resulting Numbers: [91] 91,98 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:[78, 90], Operations: ['69-64=5', '18*5=90'] Exploring Operation: 78+90=168, Resulting Numbers: [168] 168,98 unequal: No Solution Exploring Operation: 90-78=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 78*90=7020, Resulting Numbers: [7020] 7020,98 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 #0,0 Current State: 98:[64, 78, 51], Operations: ['69-18=51'] Exploring Operation: 64+51=115, Resulting Numbers: [78, 115] Generated Node #0,0,0: 98:[78, 115] Operation: 64+51=115 Exploring Operation: 64-51=13, Resulting Numbers: [78, 13] Generated Node #0,0,1: 98:[78, 13] Operation: 64-51=13 Exploring Operation: 78-64=14, Resulting Numbers: [51, 14] Generated Node #0,0,2: 98:[51, 14] Operation: 78-64=14 Exploring Operation: 78-51=27, Resulting Numbers: [64, 27] Generated Node #0,0,3: 98:[64, 27] Operation: 78-51=27 Exploring Operation: 64+78=142, Resulting Numbers: [51, 142] Generated Node #0,0,4: 98:[51, 142] Operation: 64+78=142 Moving to Node #0,0,2 Current State: 98:[51, 14], Operations: ['69-18=51', '78-64=14'] Exploring Operation: 51+14=65, Resulting Numbers: [65] 65,98 unequal: No Solution Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,98 unequal: No Solution Exploring Operation: 51*14=714, Resulting Numbers: [714] 714,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[78, 13], Operations: ['69-18=51', '64-51=13'] Exploring Operation: 78+13=91, Resulting Numbers: [91] 91,98 unequal: No Solution Exploring Operation: 78*13=1014, Resulting Numbers: [1014] 1014,98 unequal: No Solution Exploring Operation: 78-13=65, Resulting Numbers: [65] 65,98 unequal: No Solution Exploring Operation: 78/13=6, Resulting Numbers: [6] 6,98 unequal: No Solution Moving to Node #0,0,3 Current State: 98:[64, 27], Operations: ['69-18=51', '78-51=27'] Exploring Operation: 64+27=91, Resulting Numbers: [91] 91,98 unequal: No Solution Exploring Operation: 64-27=37, Resulting Numbers: [37] 37,98 unequal: No Solution Exploring Operation: 64*27=1728, Resulting Numbers: [1728] 1728,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[78, 115], Operations: ['69-18=51', '64+51=115'] Exploring Operation: 78+115=193, Resulting Numbers: [193] 193,98 unequal: No Solution Exploring Operation: 78*115=8970, Resulting Numbers: [8970] 8970,98 unequal: No Solution Exploring Operation: 115-78=37, Resulting Numbers: [37] 37,98 unequal: No Solution Moving to Node #0,0,4 Current State: 98:[51, 142], Operations: ['69-18=51', '64+78=142'] Exploring Operation: 142-51=91, Resulting Numbers: [91] 91,98 unequal: No Solution Exploring Operation: 51+142=193, Resulting Numbers: [193] 193,98 unequal: No Solution Exploring Operation: 51*142=7242, Resulting Numbers: [7242] 7242,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 98:[69, 64, 96], Operations: ['18+78=96'] Exploring Operation: 96-64=32, Resulting Numbers: [69, 32] Generated Node #0,3,0: 98:[69, 32] Operation: 96-64=32 Exploring Operation: 69-64=5, Resulting Numbers: [96, 5] Generated Node #0,3,1: 98:[96, 5] Operation: 69-64=5 Exploring Operation: 69+64=133, Resulting Numbers: [96, 133] Generated Node #0,3,2: 98:[96, 133] Operation: 69+64=133 Exploring Operation: 96-69=27, Resulting Numbers: [64, 27] Generated Node #0,3,3: 98:[64, 27] Operation: 96-69=27 Exploring Operation: 69+96=165, Resulting Numbers: [64, 165] Generated Node #0,3,4: 98:[64, 165] Operation: 69+96=165 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 98:[96, 5], Operations: ['18+78=96', '69-64=5'] Exploring Operation: 96*5=480, Resulting Numbers: [480] 480,98 unequal: No Solution Exploring Operation: 96+5=101, Resulting Numbers: [101] 101,98 unequal: No Solution Exploring Operation: 96-5=91, Resulting Numbers: [91] 91,98 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 #0,3,3 Current State: 98:[64, 27], Operations: ['18+78=96', '96-69=27'] Exploring Operation: 64+27=91, Resulting Numbers: [91] 91,98 unequal: No Solution Exploring Operation: 64*27=1728, Resulting Numbers: [1728] 1728,98 unequal: No Solution Exploring Operation: 64-27=37, Resulting Numbers: [37] 37,98 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 #0,3,0 Current State: 98:[69, 32], Operations: ['18+78=96', '96-64=32'] Exploring Operation: 69-32=37, Resulting Numbers: [37] 37,98 unequal: No Solution Exploring Operation: 69+32=101, Resulting Numbers: [101] 101,98 unequal: No Solution Exploring Operation: 69*32=2208, Resulting Numbers: [2208] 2208,98 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 #0,3,2 Current State: 98:[96, 133], Operations: ['18+78=96', '69+64=133'] Exploring Operation: 96+133=229, Resulting Numbers: [229] 229,98 unequal: No Solution Exploring Operation: 133-96=37, Resulting Numbers: [37] 37,98 unequal: No Solution Exploring Operation: 96*133=12768, Resulting Numbers: [12768] 12768,98 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 #0,3,4 Current State: 98:[64, 165], Operations: ['18+78=96', '69+96=165'] Exploring Operation: 165-64=101, Resulting Numbers: [101] 101,98 unequal: No Solution Exploring Operation: 64*165=10560, Resulting Numbers: [10560] 10560,98 unequal: No Solution Exploring Operation: 64+165=229, Resulting Numbers: [229] 229,98 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 No solution found.
0
hs_5
sum_heuristic
[ 73, 84, 51, 11 ]
29
[ "84-73=11", "51-11=40", "40-11=29" ]
Current State: 29:[73, 84, 51, 11], Operations: [] Exploring Operation: 84-73=11, Resulting Numbers: [51, 11, 11] Generated Node #2: [51, 11, 11] from Operation: 84-73=11 Current State: 29:[51, 11, 11], Operations: ['84-73=11'] Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,29 equal: Goal Reached Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[73, 84, 51, 11], Operations: [] Exploring Operation: 84-73=11, Resulting Numbers: [51, 11, 11] Generated Node #0,0: 29:[51, 11, 11] Operation: 84-73=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[51, 11, 11], Operations: ['84-73=11'] Exploring Operation: 51-11=40, Resulting Numbers: [11, 40] Generated Node #0,0,0: 29:[11, 40] Operation: 51-11=40 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[11, 40], Operations: ['84-73=11', '51-11=40'] Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[73, 84, 51, 11], Operations: [] Exploring Operation: 84-73=11, Resulting Numbers: [51, 11, 11] Generated Node #0,0: 29:[51, 11, 11] Operation: 84-73=11 Moving to Node #0,0 Current State: 29:[51, 11, 11], Operations: ['84-73=11'] Exploring Operation: 51-11=40, Resulting Numbers: [11, 40] Generated Node #0,0,0: 29:[11, 40] Operation: 51-11=40 Moving to Node #0,0,0 Current State: 29:[11, 40], Operations: ['84-73=11', '51-11=40'] Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 73, 45, 29, 50 ]
50
[ "73-45=28", "29-28=1", "50*1=50" ]
Current State: 50:[73, 45, 29, 50], Operations: [] Exploring Operation: 73-45=28, Resulting Numbers: [29, 50, 28] Generated Node #2: [29, 50, 28] from Operation: 73-45=28 Current State: 50:[29, 50, 28], Operations: ['73-45=28'] Exploring Operation: 29-28=1, Resulting Numbers: [50, 1] Generated Node #3: [50, 1] from Operation: 29-28=1 Current State: 50:[50, 1], Operations: ['73-45=28', '29-28=1'] Exploring Operation: 50*1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[73, 45, 29, 50], Operations: [] Exploring Operation: 73-50=23, Resulting Numbers: [45, 29, 23] Generated Node #0,0: 50:[45, 29, 23] Operation: 73-50=23 Exploring Operation: 73-29=44, Resulting Numbers: [45, 50, 44] Generated Node #0,1: 50:[45, 50, 44] Operation: 73-29=44 Exploring Operation: 73-45=28, Resulting Numbers: [29, 50, 28] Generated Node #0,2: 50:[29, 50, 28] Operation: 73-45=28 Start Sub Search at level 1: Moving to Node #0,2 Current State: 50:[29, 50, 28], Operations: ['73-45=28'] Exploring Operation: 29+28=57, Resulting Numbers: [50, 57] Generated Node #0,2,0: 50:[50, 57] Operation: 29+28=57 Exploring Operation: 29-28=1, Resulting Numbers: [50, 1] Generated Node #0,2,1: 50:[50, 1] Operation: 29-28=1 Exploring Operation: 50-29=21, Resulting Numbers: [28, 21] Generated Node #0,2,2: 50:[28, 21] Operation: 50-29=21 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 50:[50, 1], Operations: ['73-45=28', '29-28=1'] Exploring Operation: 50+1=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 50/1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[73, 45, 29, 50], Operations: [] Exploring Operation: 73-45=28, Resulting Numbers: [29, 50, 28] Generated Node #0,2: 50:[29, 50, 28] Operation: 73-45=28 Moving to Node #0,2 Current State: 50:[29, 50, 28], Operations: ['73-45=28'] Exploring Operation: 29-28=1, Resulting Numbers: [50, 1] Generated Node #0,2,1: 50:[50, 1] Operation: 29-28=1 Moving to Node #0,2,1 Current State: 50:[50, 1], Operations: ['73-45=28', '29-28=1'] Exploring Operation: 50/1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 14, 61, 5, 97 ]
88
[ "14*5=70", "61+97=158", "158-70=88" ]
Current State: 88:[14, 61, 5, 97], Operations: [] Exploring Operation: 14*5=70, Resulting Numbers: [61, 97, 70] Generated Node #2: [61, 97, 70] from Operation: 14*5=70 Current State: 88:[61, 97, 70], Operations: ['14*5=70'] Exploring Operation: 61+97=158, Resulting Numbers: [70, 158] Generated Node #3: [70, 158] from Operation: 61+97=158 Current State: 88:[70, 158], Operations: ['14*5=70', '61+97=158'] Exploring Operation: 158-70=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[14, 61, 5, 97], Operations: [] Exploring Operation: 61-14=47, Resulting Numbers: [5, 97, 47] Generated Node #0,0: 88:[5, 97, 47] Operation: 61-14=47 Exploring Operation: 97-61=36, Resulting Numbers: [14, 5, 36] Generated Node #0,1: 88:[14, 5, 36] Operation: 97-61=36 Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[14, 5, 36], Operations: ['97-61=36'] Exploring Operation: 5+36=41, Resulting Numbers: [14, 41] Generated Node #0,1,0: 88:[14, 41] Operation: 5+36=41 Exploring Operation: 36-14=22, Resulting Numbers: [5, 22] Generated Node #0,1,1: 88:[5, 22] Operation: 36-14=22 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 88:[5, 22], Operations: ['97-61=36', '36-14=22'] Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,88 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,88 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 #0,1,0 Current State: 88:[14, 41], Operations: ['97-61=36', '5+36=41'] Exploring Operation: 14+41=55, Resulting Numbers: [55] 55,88 unequal: No Solution Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,88 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 #0,0 Current State: 88:[5, 97, 47], Operations: ['61-14=47'] Exploring Operation: 97-47=50, Resulting Numbers: [5, 50] Generated Node #0,0,0: 88:[5, 50] Operation: 97-47=50 Exploring Operation: 97-5=92, Resulting Numbers: [47, 92] Generated Node #0,0,1: 88:[47, 92] Operation: 97-5=92 Moving to Node #0,0,0 Current State: 88:[5, 50], Operations: ['61-14=47', '97-47=50'] Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,88 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[47, 92], Operations: ['61-14=47', '97-5=92'] Exploring Operation: 47+92=139, Resulting Numbers: [139] 139,88 unequal: No Solution Exploring Operation: 92-47=45, Resulting Numbers: [45] 45,88 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
[ 44, 18, 41, 93 ]
26
[ "44-18=26", "93-41=52", "52-26=26" ]
Current State: 26:[44, 18, 41, 93], Operations: [] Exploring Operation: 44-18=26, Resulting Numbers: [41, 93, 26] Generated Node #2: [41, 93, 26] from Operation: 44-18=26 Current State: 26:[41, 93, 26], Operations: ['44-18=26'] Exploring Operation: 93-41=52, Resulting Numbers: [26, 52] Generated Node #3: [26, 52] from Operation: 93-41=52 Current State: 26:[26, 52], Operations: ['44-18=26', '93-41=52'] Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[44, 18, 41, 93], Operations: [] Exploring Operation: 93-44=49, Resulting Numbers: [18, 41, 49] Generated Node #0,0: 26:[18, 41, 49] Operation: 93-44=49 Exploring Operation: 93-41=52, Resulting Numbers: [44, 18, 52] Generated Node #0,1: 26:[44, 18, 52] Operation: 93-41=52 Moving to Node #0,0 Current State: 26:[18, 41, 49], Operations: ['93-44=49'] Exploring Operation: 49-18=31, Resulting Numbers: [41, 31] Generated Node #0,0,0: 26:[41, 31] Operation: 49-18=31 Exploring Operation: 49-41=8, Resulting Numbers: [18, 8] Generated Node #0,0,1: 26:[18, 8] Operation: 49-41=8 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 26:[18, 8], Operations: ['93-44=49', '49-41=8'] Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[44, 18, 41, 93], Operations: [] Exploring Operation: 93-44=49, Resulting Numbers: [18, 41, 49] Generated Node #0,0: 26:[18, 41, 49] Operation: 93-44=49 Moving to Node #0,0 Current State: 26:[18, 41, 49], Operations: ['93-44=49'] Exploring Operation: 49-41=8, Resulting Numbers: [18, 8] Generated Node #0,0,1: 26:[18, 8] Operation: 49-41=8 Moving to Node #0,0,1 Current State: 26:[18, 8], Operations: ['93-44=49', '49-41=8'] Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 9, 28, 55, 7 ]
68
[ "9+55=64", "28/7=4", "64+4=68" ]
Current State: 68:[9, 28, 55, 7], Operations: [] Exploring Operation: 9+55=64, Resulting Numbers: [28, 7, 64] Generated Node #2: [28, 7, 64] from Operation: 9+55=64 Current State: 68:[28, 7, 64], Operations: ['9+55=64'] Exploring Operation: 28/7=4, Resulting Numbers: [64, 4] Generated Node #3: [64, 4] from Operation: 28/7=4 Current State: 68:[64, 4], Operations: ['9+55=64', '28/7=4'] Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[9, 28, 55, 7], Operations: [] Exploring Operation: 55-28=27, Resulting Numbers: [9, 7, 27] Generated Node #0,0: 68:[9, 7, 27] Operation: 55-28=27 Exploring Operation: 9+55=64, Resulting Numbers: [28, 7, 64] Generated Node #0,1: 68:[28, 7, 64] Operation: 9+55=64 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[28, 7, 64], Operations: ['9+55=64'] Exploring Operation: 28/7=4, Resulting Numbers: [64, 4] Generated Node #0,1,0: 68:[64, 4] Operation: 28/7=4 Exploring Operation: 28+7=35, Resulting Numbers: [64, 35] Generated Node #0,1,1: 68:[64, 35] Operation: 28+7=35 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 68:[64, 4], Operations: ['9+55=64', '28/7=4'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[9, 28, 55, 7], Operations: [] Exploring Operation: 9+55=64, Resulting Numbers: [28, 7, 64] Generated Node #0,1: 68:[28, 7, 64] Operation: 9+55=64 Moving to Node #0,1 Current State: 68:[28, 7, 64], Operations: ['9+55=64'] Exploring Operation: 28/7=4, Resulting Numbers: [64, 4] Generated Node #0,1,0: 68:[64, 4] Operation: 28/7=4 Moving to Node #0,1,0 Current State: 68:[64, 4], Operations: ['9+55=64', '28/7=4'] Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 36, 22, 50, 87 ]
75
[ "36+22=58", "50*87=4350", "4350/58=75" ]
Current State: 75:[36, 22, 50, 87], Operations: [] Exploring Operation: 36+22=58, Resulting Numbers: [50, 87, 58] Generated Node #2: [50, 87, 58] from Operation: 36+22=58 Current State: 75:[50, 87, 58], Operations: ['36+22=58'] Exploring Operation: 50*87=4350, Resulting Numbers: [58, 4350] Generated Node #3: [58, 4350] from Operation: 50*87=4350 Current State: 75:[58, 4350], Operations: ['36+22=58', '50*87=4350'] Exploring Operation: 4350/58=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[36, 22, 50, 87], Operations: [] Exploring Operation: 36+50=86, Resulting Numbers: [22, 87, 86] Generated Node #0,0: 75:[22, 87, 86] Operation: 36+50=86 Exploring Operation: 50-36=14, Resulting Numbers: [22, 87, 14] Generated Node #0,1: 75:[22, 87, 14] Operation: 50-36=14 Moving to Node #0,1 Current State: 75:[22, 87, 14], Operations: ['50-36=14'] Exploring Operation: 87-22=65, Resulting Numbers: [14, 65] Generated Node #0,1,0: 75:[14, 65] Operation: 87-22=65 Exploring Operation: 87-14=73, Resulting Numbers: [22, 73] Generated Node #0,1,1: 75:[22, 73] Operation: 87-14=73 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 75:[22, 73], Operations: ['50-36=14', '87-14=73'] Exploring Operation: 73-22=51, Resulting Numbers: [51] 51,75 unequal: No Solution Exploring Operation: 22+73=95, Resulting Numbers: [95] 95,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[14, 65], Operations: ['50-36=14', '87-22=65'] Exploring Operation: 14+65=79, Resulting Numbers: [79] 79,75 unequal: No Solution Exploring Operation: 65-14=51, Resulting Numbers: [51] 51,75 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: 75:[22, 87, 86], Operations: ['36+50=86'] Exploring Operation: 87-22=65, Resulting Numbers: [86, 65] Generated Node #0,0,0: 75:[86, 65] Operation: 87-22=65 Exploring Operation: 87-86=1, Resulting Numbers: [22, 1] Generated Node #0,0,1: 75:[22, 1] Operation: 87-86=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 75:[22, 1], Operations: ['36+50=86', '87-86=1'] Exploring Operation: 22+1=23, Resulting Numbers: [23] 23,75 unequal: No Solution Exploring Operation: 22*1=22, Resulting Numbers: [22] 22,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[86, 65], Operations: ['36+50=86', '87-22=65'] Exploring Operation: 86+65=151, Resulting Numbers: [151] 151,75 unequal: No Solution Exploring Operation: 86-65=21, Resulting Numbers: [21] 21,75 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
[ 60, 30, 37, 54 ]
93
[ "60/30=2", "37+54=91", "2+91=93" ]
Current State: 93:[60, 30, 37, 54], Operations: [] Exploring Operation: 60/30=2, Resulting Numbers: [37, 54, 2] Generated Node #2: [37, 54, 2] from Operation: 60/30=2 Current State: 93:[37, 54, 2], Operations: ['60/30=2'] Exploring Operation: 37+54=91, Resulting Numbers: [2, 91] Generated Node #3: [2, 91] from Operation: 37+54=91 Current State: 93:[2, 91], Operations: ['60/30=2', '37+54=91'] Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[60, 30, 37, 54], Operations: [] Exploring Operation: 60+37=97, Resulting Numbers: [30, 54, 97] Generated Node #0,0: 93:[30, 54, 97] Operation: 60+37=97 Exploring Operation: 60-30=30, Resulting Numbers: [37, 54, 30] Generated Node #0,1: 93:[37, 54, 30] Operation: 60-30=30 Exploring Operation: 60-54=6, Resulting Numbers: [30, 37, 6] Generated Node #0,2: 93:[30, 37, 6] Operation: 60-54=6 Exploring Operation: 60/30=2, Resulting Numbers: [37, 54, 2] Generated Node #0,3: 93:[37, 54, 2] Operation: 60/30=2 Exploring Operation: 60+54=114, Resulting Numbers: [30, 37, 114] Generated Node #0,4: 93:[30, 37, 114] Operation: 60+54=114 Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[30, 37, 6], Operations: ['60-54=6'] Exploring Operation: 30/6=5, Resulting Numbers: [37, 5] Generated Node #0,2,0: 93:[37, 5] Operation: 30/6=5 Exploring Operation: 37-6=31, Resulting Numbers: [30, 31] Generated Node #0,2,1: 93:[30, 31] Operation: 37-6=31 Exploring Operation: 30-6=24, Resulting Numbers: [37, 24] Generated Node #0,2,2: 93:[37, 24] Operation: 30-6=24 Exploring Operation: 37-30=7, Resulting Numbers: [6, 7] Generated Node #0,2,3: 93:[6, 7] Operation: 37-30=7 Exploring Operation: 30+6=36, Resulting Numbers: [37, 36] Generated Node #0,2,4: 93:[37, 36] Operation: 30+6=36 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 93:[30, 31], Operations: ['60-54=6', '37-6=31'] Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 30+31=61, Resulting Numbers: [61] 61,93 unequal: No Solution Exploring Operation: 30*31=930, Resulting Numbers: [930] 930,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 93:[6, 7], Operations: ['60-54=6', '37-30=7'] Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,93 unequal: No Solution Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 93:[37, 5], Operations: ['60-54=6', '30/6=5'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,93 unequal: No Solution Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,93 unequal: No Solution Exploring Operation: 37*5=185, Resulting Numbers: [185] 185,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 93:[37, 36], Operations: ['60-54=6', '30+6=36'] Exploring Operation: 37+36=73, Resulting Numbers: [73] 73,93 unequal: No Solution Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,93 unequal: No Solution Exploring Operation: 37*36=1332, Resulting Numbers: [1332] 1332,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 93:[37, 24], Operations: ['60-54=6', '30-6=24'] Exploring Operation: 37*24=888, Resulting Numbers: [888] 888,93 unequal: No Solution Exploring Operation: 37+24=61, Resulting Numbers: [61] 61,93 unequal: No Solution Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[30, 54, 97], Operations: ['60+37=97'] Exploring Operation: 30+97=127, Resulting Numbers: [54, 127] Generated Node #0,0,0: 93:[54, 127] Operation: 30+97=127 Exploring Operation: 30+54=84, Resulting Numbers: [97, 84] Generated Node #0,0,1: 93:[97, 84] Operation: 30+54=84 Exploring Operation: 97-30=67, Resulting Numbers: [54, 67] Generated Node #0,0,2: 93:[54, 67] Operation: 97-30=67 Exploring Operation: 54-30=24, Resulting Numbers: [97, 24] Generated Node #0,0,3: 93:[97, 24] Operation: 54-30=24 Exploring Operation: 97-54=43, Resulting Numbers: [30, 43] Generated Node #0,0,4: 93:[30, 43] Operation: 97-54=43 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 93:[97, 24], Operations: ['60+37=97', '54-30=24'] Exploring Operation: 97*24=2328, Resulting Numbers: [2328] 2328,93 unequal: No Solution Exploring Operation: 97+24=121, Resulting Numbers: [121] 121,93 unequal: No Solution Exploring Operation: 97-24=73, Resulting Numbers: [73] 73,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 93:[97, 84], Operations: ['60+37=97', '30+54=84'] Exploring Operation: 97*84=8148, Resulting Numbers: [8148] 8148,93 unequal: No Solution Exploring Operation: 97-84=13, Resulting Numbers: [13] 13,93 unequal: No Solution Exploring Operation: 97+84=181, Resulting Numbers: [181] 181,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 93:[30, 43], Operations: ['60+37=97', '97-54=43'] Exploring Operation: 30+43=73, Resulting Numbers: [73] 73,93 unequal: No Solution Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,93 unequal: No Solution Exploring Operation: 30*43=1290, Resulting Numbers: [1290] 1290,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 93:[54, 67], Operations: ['60+37=97', '97-30=67'] Exploring Operation: 54*67=3618, Resulting Numbers: [3618] 3618,93 unequal: No Solution Exploring Operation: 54+67=121, Resulting Numbers: [121] 121,93 unequal: No Solution Exploring Operation: 67-54=13, Resulting Numbers: [13] 13,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 93:[54, 127], Operations: ['60+37=97', '30+97=127'] Exploring Operation: 54*127=6858, Resulting Numbers: [6858] 6858,93 unequal: No Solution Exploring Operation: 127-54=73, Resulting Numbers: [73] 73,93 unequal: No Solution Exploring Operation: 54+127=181, Resulting Numbers: [181] 181,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 93:[30, 37, 114], Operations: ['60+54=114'] Exploring Operation: 30+114=144, Resulting Numbers: [37, 144] Generated Node #0,4,0: 93:[37, 144] Operation: 30+114=144 Exploring Operation: 114-37=77, Resulting Numbers: [30, 77] Generated Node #0,4,1: 93:[30, 77] Operation: 114-37=77 Exploring Operation: 114-30=84, Resulting Numbers: [37, 84] Generated Node #0,4,2: 93:[37, 84] Operation: 114-30=84 Exploring Operation: 30+37=67, Resulting Numbers: [114, 67] Generated Node #0,4,3: 93:[114, 67] Operation: 30+37=67 Exploring Operation: 37-30=7, Resulting Numbers: [114, 7] Generated Node #0,4,4: 93:[114, 7] Operation: 37-30=7 Moving to Node #0,4,2 Current State: 93:[37, 84], Operations: ['60+54=114', '114-30=84'] Exploring Operation: 84-37=47, Resulting Numbers: [47] 47,93 unequal: No Solution Exploring Operation: 37*84=3108, Resulting Numbers: [3108] 3108,93 unequal: No Solution Exploring Operation: 37+84=121, Resulting Numbers: [121] 121,93 unequal: No Solution Moving to Node #0,4,1 Current State: 93:[30, 77], Operations: ['60+54=114', '114-37=77'] Exploring Operation: 30+77=107, Resulting Numbers: [107] 107,93 unequal: No Solution Exploring Operation: 77-30=47, Resulting Numbers: [47] 47,93 unequal: No Solution Exploring Operation: 30*77=2310, Resulting Numbers: [2310] 2310,93 unequal: No Solution Moving to Node #0,4,4 Current State: 93:[114, 7], Operations: ['60+54=114', '37-30=7'] Exploring Operation: 114-7=107, Resulting Numbers: [107] 107,93 unequal: No Solution Exploring Operation: 114*7=798, Resulting Numbers: [798] 798,93 unequal: No Solution Exploring Operation: 114+7=121, Resulting Numbers: [121] 121,93 unequal: No Solution Moving to Node #0,4,3 Current State: 93:[114, 67], Operations: ['60+54=114', '30+37=67'] Exploring Operation: 114+67=181, Resulting Numbers: [181] 181,93 unequal: No Solution Exploring Operation: 114-67=47, Resulting Numbers: [47] 47,93 unequal: No Solution Exploring Operation: 114*67=7638, Resulting Numbers: [7638] 7638,93 unequal: No Solution Moving to Node #0,4,0 Current State: 93:[37, 144], Operations: ['60+54=114', '30+114=144'] Exploring Operation: 37*144=5328, Resulting Numbers: [5328] 5328,93 unequal: No Solution Exploring Operation: 37+144=181, Resulting Numbers: [181] 181,93 unequal: No Solution Exploring Operation: 144-37=107, Resulting Numbers: [107] 107,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[37, 54, 30], Operations: ['60-30=30'] Exploring Operation: 54-37=17, Resulting Numbers: [30, 17] Generated Node #0,1,0: 93:[30, 17] Operation: 54-37=17 Exploring Operation: 54-30=24, Resulting Numbers: [37, 24] Generated Node #0,1,1: 93:[37, 24] Operation: 54-30=24 Exploring Operation: 37+54=91, Resulting Numbers: [30, 91] Generated Node #0,1,2: 93:[30, 91] Operation: 37+54=91 Exploring Operation: 37-30=7, Resulting Numbers: [54, 7] Generated Node #0,1,3: 93:[54, 7] Operation: 37-30=7 Exploring Operation: 54+30=84, Resulting Numbers: [37, 84] Generated Node #0,1,4: 93:[37, 84] Operation: 54+30=84 Moving to Node #0,1,2 Current State: 93:[30, 91], Operations: ['60-30=30', '37+54=91'] Exploring Operation: 30+91=121, Resulting Numbers: [121] 121,93 unequal: No Solution Exploring Operation: 30*91=2730, Resulting Numbers: [2730] 2730,93 unequal: No Solution Exploring Operation: 91-30=61, Resulting Numbers: [61] 61,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[37, 24], Operations: ['60-30=30', '54-30=24'] Exploring Operation: 37*24=888, Resulting Numbers: [888] 888,93 unequal: No Solution Exploring Operation: 37+24=61, Resulting Numbers: [61] 61,93 unequal: No Solution Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[30, 17], Operations: ['60-30=30', '54-37=17'] Exploring Operation: 30*17=510, Resulting Numbers: [510] 510,93 unequal: No Solution Exploring Operation: 30-17=13, Resulting Numbers: [13] 13,93 unequal: No Solution Exploring Operation: 30+17=47, Resulting Numbers: [47] 47,93 unequal: No Solution Moving to Node #0,1,4 Current State: 93:[37, 84], Operations: ['60-30=30', '54+30=84'] Exploring Operation: 37+84=121, Resulting Numbers: [121] 121,93 unequal: No Solution Exploring Operation: 84-37=47, Resulting Numbers: [47] 47,93 unequal: No Solution Exploring Operation: 37*84=3108, Resulting Numbers: [3108] 3108,93 unequal: No Solution Moving to Node #0,1,3 Current State: 93:[54, 7], Operations: ['60-30=30', '37-30=7'] Exploring Operation: 54*7=378, Resulting Numbers: [378] 378,93 unequal: No Solution Exploring Operation: 54+7=61, Resulting Numbers: [61] 61,93 unequal: No Solution Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 93:[37, 54, 2], Operations: ['60/30=2'] Exploring Operation: 54/2=27, Resulting Numbers: [37, 27] Generated Node #0,3,0: 93:[37, 27] Operation: 54/2=27 Exploring Operation: 54-37=17, Resulting Numbers: [2, 17] Generated Node #0,3,1: 93:[2, 17] Operation: 54-37=17 Exploring Operation: 37+54=91, Resulting Numbers: [2, 91] Generated Node #0,3,2: 93:[2, 91] Operation: 37+54=91 Exploring Operation: 54*2=108, Resulting Numbers: [37, 108] Generated Node #0,3,3: 93:[37, 108] Operation: 54*2=108 Exploring Operation: 37-2=35, Resulting Numbers: [54, 35] Generated Node #0,3,4: 93:[54, 35] Operation: 37-2=35 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 93:[2, 91], Operations: ['60/30=2', '37+54=91'] Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[60, 30, 37, 54], Operations: [] Exploring Operation: 60/30=2, Resulting Numbers: [37, 54, 2] Generated Node #0,3: 93:[37, 54, 2] Operation: 60/30=2 Moving to Node #0,3 Current State: 93:[37, 54, 2], Operations: ['60/30=2'] Exploring Operation: 37+54=91, Resulting Numbers: [2, 91] Generated Node #0,3,2: 93:[2, 91] Operation: 37+54=91 Moving to Node #0,3,2 Current State: 93:[2, 91], Operations: ['60/30=2', '37+54=91'] Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.917535
hs_5
mult_heuristic
[ 51, 8, 51, 40 ]
49
[ "51/51=1", "8+40=48", "1+48=49" ]
Current State: 49:[51, 8, 51, 40], Operations: [] Exploring Operation: 51/51=1, Resulting Numbers: [8, 40, 1] Generated Node #2: [8, 40, 1] from Operation: 51/51=1 Current State: 49:[8, 40, 1], Operations: ['51/51=1'] Exploring Operation: 8+40=48, Resulting Numbers: [1, 48] Generated Node #3: [1, 48] from Operation: 8+40=48 Current State: 49:[1, 48], Operations: ['51/51=1', '8+40=48'] Exploring Operation: 1+48=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[51, 8, 51, 40], Operations: [] Exploring Operation: 8+40=48, Resulting Numbers: [51, 51, 48] Generated Node #0,0: 49:[51, 51, 48] Operation: 8+40=48 Exploring Operation: 40/8=5, Resulting Numbers: [51, 51, 5] Generated Node #0,1: 49:[51, 51, 5] Operation: 40/8=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[51, 51, 48], Operations: ['8+40=48'] Exploring Operation: 51-48=3, Resulting Numbers: [51, 3] Generated Node #0,0,0: 49:[51, 3] Operation: 51-48=3 Exploring Operation: 51-48=3, Resulting Numbers: [51, 3] Generated Node #0,0,1: 49:[51, 3] Operation: 51-48=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 49:[51, 3], Operations: ['8+40=48', '51-48=3'] Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,49 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 49:[51, 3], Operations: ['8+40=48', '51-48=3'] Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[51, 51, 5], Operations: ['40/8=5'] Exploring Operation: 51-5=46, Resulting Numbers: [51, 46] Generated Node #0,1,0: 49:[51, 46] Operation: 51-5=46 Exploring Operation: 51-5=46, Resulting Numbers: [51, 46] Generated Node #0,1,1: 49:[51, 46] Operation: 51-5=46 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 49:[51, 46], Operations: ['40/8=5', '51-5=46'] Exploring Operation: 51-46=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 51+46=97, Resulting Numbers: [97] 97,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 49:[51, 46], Operations: ['40/8=5', '51-5=46'] Exploring Operation: 51-46=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 51+46=97, Resulting Numbers: [97] 97,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 69, 23, 37, 50 ]
39
[ "69/23=3", "50-37=13", "3*13=39" ]
Current State: 39:[69, 23, 37, 50], Operations: [] Exploring Operation: 69/23=3, Resulting Numbers: [37, 50, 3] Generated Node #2: [37, 50, 3] from Operation: 69/23=3 Current State: 39:[37, 50, 3], Operations: ['69/23=3'] Exploring Operation: 50-37=13, Resulting Numbers: [3, 13] Generated Node #3: [3, 13] from Operation: 50-37=13 Current State: 39:[3, 13], Operations: ['69/23=3', '50-37=13'] Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[69, 23, 37, 50], Operations: [] Exploring Operation: 69/23=3, Resulting Numbers: [37, 50, 3] Generated Node #0,0: 39:[37, 50, 3] Operation: 69/23=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[37, 50, 3], Operations: ['69/23=3'] Exploring Operation: 50-37=13, Resulting Numbers: [3, 13] Generated Node #0,0,0: 39:[3, 13] Operation: 50-37=13 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[3, 13], Operations: ['69/23=3', '50-37=13'] Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[69, 23, 37, 50], Operations: [] Exploring Operation: 69/23=3, Resulting Numbers: [37, 50, 3] Generated Node #0,0: 39:[37, 50, 3] Operation: 69/23=3 Moving to Node #0,0 Current State: 39:[37, 50, 3], Operations: ['69/23=3'] Exploring Operation: 50-37=13, Resulting Numbers: [3, 13] Generated Node #0,0,0: 39:[3, 13] Operation: 50-37=13 Moving to Node #0,0,0 Current State: 39:[3, 13], Operations: ['69/23=3', '50-37=13'] Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 45, 17, 23, 15 ]
44
[ "45-23=22", "17-15=2", "22*2=44" ]
Current State: 44:[45, 17, 23, 15], Operations: [] Exploring Operation: 45-23=22, Resulting Numbers: [17, 15, 22] Generated Node #2: [17, 15, 22] from Operation: 45-23=22 Current State: 44:[17, 15, 22], Operations: ['45-23=22'] Exploring Operation: 17-15=2, Resulting Numbers: [22, 2] Generated Node #3: [22, 2] from Operation: 17-15=2 Current State: 44:[22, 2], Operations: ['45-23=22', '17-15=2'] Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[45, 17, 23, 15], Operations: [] Exploring Operation: 23-17=6, Resulting Numbers: [45, 15, 6] Generated Node #0,0: 44:[45, 15, 6] Operation: 23-17=6 Exploring Operation: 45/15=3, Resulting Numbers: [17, 23, 3] Generated Node #0,1: 44:[17, 23, 3] Operation: 45/15=3 Exploring Operation: 17-15=2, Resulting Numbers: [45, 23, 2] Generated Node #0,2: 44:[45, 23, 2] Operation: 17-15=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[45, 23, 2], Operations: ['17-15=2'] Exploring Operation: 23-2=21, Resulting Numbers: [45, 21] Generated Node #0,2,0: 44:[45, 21] Operation: 23-2=21 Exploring Operation: 45-23=22, Resulting Numbers: [2, 22] Generated Node #0,2,1: 44:[2, 22] Operation: 45-23=22 Exploring Operation: 45-2=43, Resulting Numbers: [23, 43] Generated Node #0,2,2: 44:[23, 43] Operation: 45-2=43 Moving to Node #0,2,1 Current State: 44:[2, 22], Operations: ['17-15=2', '45-23=22'] Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[45, 17, 23, 15], Operations: [] Exploring Operation: 17-15=2, Resulting Numbers: [45, 23, 2] Generated Node #0,2: 44:[45, 23, 2] Operation: 17-15=2 Moving to Node #0,2 Current State: 44:[45, 23, 2], Operations: ['17-15=2'] Exploring Operation: 45-23=22, Resulting Numbers: [2, 22] Generated Node #0,2,1: 44:[2, 22] Operation: 45-23=22 Moving to Node #0,2,1 Current State: 44:[2, 22], Operations: ['17-15=2', '45-23=22'] Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 5, 6, 94, 68 ]
26
[ "6-5=1", "94-68=26", "1*26=26" ]
Current State: 26:[5, 6, 94, 68], Operations: [] Exploring Operation: 6-5=1, Resulting Numbers: [94, 68, 1] Generated Node #2: [94, 68, 1] from Operation: 6-5=1 Current State: 26:[94, 68, 1], Operations: ['6-5=1'] Exploring Operation: 94-68=26, Resulting Numbers: [1, 26] Generated Node #3: [1, 26] from Operation: 94-68=26 Current State: 26:[1, 26], Operations: ['6-5=1', '94-68=26'] Exploring Operation: 1*26=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[5, 6, 94, 68], Operations: [] Exploring Operation: 94-5=89, Resulting Numbers: [6, 68, 89] Generated Node #0,0: 26:[6, 68, 89] Operation: 94-5=89 Exploring Operation: 68-5=63, Resulting Numbers: [6, 94, 63] Generated Node #0,1: 26:[6, 94, 63] Operation: 68-5=63 Exploring Operation: 68-6=62, Resulting Numbers: [5, 94, 62] Generated Node #0,2: 26:[5, 94, 62] Operation: 68-6=62 Exploring Operation: 94-6=88, Resulting Numbers: [5, 68, 88] Generated Node #0,3: 26:[5, 68, 88] Operation: 94-6=88 Exploring Operation: 94-68=26, Resulting Numbers: [5, 6, 26] Generated Node #0,4: 26:[5, 6, 26] Operation: 94-68=26 Moving to Node #0,4 Current State: 26:[5, 6, 26], Operations: ['94-68=26'] Exploring Operation: 5+26=31, Resulting Numbers: [6, 31] Generated Node #0,4,0: 26:[6, 31] Operation: 5+26=31 Exploring Operation: 5+6=11, Resulting Numbers: [26, 11] Generated Node #0,4,1: 26:[26, 11] Operation: 5+6=11 Exploring Operation: 6-5=1, Resulting Numbers: [26, 1] Generated Node #0,4,2: 26:[26, 1] Operation: 6-5=1 Exploring Operation: 26-5=21, Resulting Numbers: [6, 21] Generated Node #0,4,3: 26:[6, 21] Operation: 26-5=21 Exploring Operation: 5*6=30, Resulting Numbers: [26, 30] Generated Node #0,4,4: 26:[26, 30] Operation: 5*6=30 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 26:[26, 1], Operations: ['94-68=26', '6-5=1'] Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,26 unequal: No Solution Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[5, 6, 94, 68], Operations: [] Exploring Operation: 94-68=26, Resulting Numbers: [5, 6, 26] Generated Node #0,4: 26:[5, 6, 26] Operation: 94-68=26 Moving to Node #0,4 Current State: 26:[5, 6, 26], Operations: ['94-68=26'] Exploring Operation: 6-5=1, Resulting Numbers: [26, 1] Generated Node #0,4,2: 26:[26, 1] Operation: 6-5=1 Moving to Node #0,4,2 Current State: 26:[26, 1], Operations: ['94-68=26', '6-5=1'] Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 68, 1, 63, 1 ]
97
[ "1+1=2", "68/2=34", "63+34=97" ]
Current State: 97:[68, 1, 63, 1], Operations: [] Exploring Operation: 1+1=2, Resulting Numbers: [68, 63, 2] Generated Node #2: [68, 63, 2] from Operation: 1+1=2 Current State: 97:[68, 63, 2], Operations: ['1+1=2'] Exploring Operation: 68/2=34, Resulting Numbers: [63, 34] Generated Node #3: [63, 34] from Operation: 68/2=34 Current State: 97:[63, 34], Operations: ['1+1=2', '68/2=34'] Exploring Operation: 63+34=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[68, 1, 63, 1], Operations: [] Exploring Operation: 68+1=69, Resulting Numbers: [1, 63, 69] Generated Node #0,0: 97:[1, 63, 69] Operation: 68+1=69 Exploring Operation: 1+1=2, Resulting Numbers: [68, 63, 2] Generated Node #0,1: 97:[68, 63, 2] Operation: 1+1=2 Exploring Operation: 1+63=64, Resulting Numbers: [68, 1, 64] Generated Node #0,2: 97:[68, 1, 64] Operation: 1+63=64 Exploring Operation: 63+1=64, Resulting Numbers: [68, 1, 64] Generated Node #0,3: 97:[68, 1, 64] Operation: 63+1=64 Exploring Operation: 68+1=69, Resulting Numbers: [63, 1, 69] Generated Node #0,4: 97:[63, 1, 69] Operation: 68+1=69 Moving to Node #0,0 Current State: 97:[1, 63, 69], Operations: ['68+1=69'] Exploring Operation: 1+63=64, Resulting Numbers: [69, 64] Generated Node #0,0,0: 97:[69, 64] Operation: 1+63=64 Exploring Operation: 1+69=70, Resulting Numbers: [63, 70] Generated Node #0,0,1: 97:[63, 70] Operation: 1+69=70 Exploring Operation: 1*63=63, Resulting Numbers: [69, 63] Generated Node #0,0,2: 97:[69, 63] Operation: 1*63=63 Exploring Operation: 1*69=69, Resulting Numbers: [63, 69] Generated Node #0,0,3: 97:[63, 69] Operation: 1*69=69 Exploring Operation: 63/1=63, Resulting Numbers: [69, 63] Generated Node #0,0,4: 97:[69, 63] Operation: 63/1=63 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[69, 64], Operations: ['68+1=69', '1+63=64'] Exploring Operation: 69*64=4416, Resulting Numbers: [4416] 4416,97 unequal: No Solution Exploring Operation: 69+64=133, Resulting Numbers: [133] 133,97 unequal: No Solution Exploring Operation: 69-64=5, Resulting Numbers: [5] 5,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[63, 70], Operations: ['68+1=69', '1+69=70'] Exploring Operation: 63+70=133, Resulting Numbers: [133] 133,97 unequal: No Solution Exploring Operation: 63*70=4410, Resulting Numbers: [4410] 4410,97 unequal: No Solution Exploring Operation: 70-63=7, Resulting Numbers: [7] 7,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[69, 63], Operations: ['68+1=69', '1*63=63'] Exploring Operation: 69*63=4347, Resulting Numbers: [4347] 4347,97 unequal: No Solution Exploring Operation: 69-63=6, Resulting Numbers: [6] 6,97 unequal: No Solution Exploring Operation: 69+63=132, Resulting Numbers: [132] 132,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[63, 69], Operations: ['68+1=69', '1*69=69'] Exploring Operation: 63*69=4347, Resulting Numbers: [4347] 4347,97 unequal: No Solution Exploring Operation: 69-63=6, Resulting Numbers: [6] 6,97 unequal: No Solution Exploring Operation: 63+69=132, Resulting Numbers: [132] 132,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 97:[69, 63], Operations: ['68+1=69', '63/1=63'] Exploring Operation: 69*63=4347, Resulting Numbers: [4347] 4347,97 unequal: No Solution Exploring Operation: 69+63=132, Resulting Numbers: [132] 132,97 unequal: No Solution Exploring Operation: 69-63=6, Resulting Numbers: [6] 6,97 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: 97:[68, 1, 64], Operations: ['1+63=64'] Exploring Operation: 68*1=68, Resulting Numbers: [64, 68] Generated Node #0,2,0: 97:[64, 68] Operation: 68*1=68 Exploring Operation: 1*64=64, Resulting Numbers: [68, 64] Generated Node #0,2,1: 97:[68, 64] Operation: 1*64=64 Exploring Operation: 68/1=68, Resulting Numbers: [64, 68] Generated Node #0,2,2: 97:[64, 68] Operation: 68/1=68 Exploring Operation: 68+1=69, Resulting Numbers: [64, 69] Generated Node #0,2,3: 97:[64, 69] Operation: 68+1=69 Exploring Operation: 1+64=65, Resulting Numbers: [68, 65] Generated Node #0,2,4: 97:[68, 65] Operation: 1+64=65 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 97:[64, 69], Operations: ['1+63=64', '68+1=69'] Exploring Operation: 69-64=5, Resulting Numbers: [5] 5,97 unequal: No Solution Exploring Operation: 64*69=4416, Resulting Numbers: [4416] 4416,97 unequal: No Solution Exploring Operation: 64+69=133, Resulting Numbers: [133] 133,97 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:[68, 65], Operations: ['1+63=64', '1+64=65'] Exploring Operation: 68+65=133, Resulting Numbers: [133] 133,97 unequal: No Solution Exploring Operation: 68*65=4420, Resulting Numbers: [4420] 4420,97 unequal: No Solution Exploring Operation: 68-65=3, Resulting Numbers: [3] 3,97 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:[64, 68], Operations: ['1+63=64', '68*1=68'] Exploring Operation: 64*68=4352, Resulting Numbers: [4352] 4352,97 unequal: No Solution Exploring Operation: 64+68=132, Resulting Numbers: [132] 132,97 unequal: No Solution Exploring Operation: 68-64=4, Resulting Numbers: [4] 4,97 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:[68, 64], Operations: ['1+63=64', '1*64=64'] Exploring Operation: 68+64=132, Resulting Numbers: [132] 132,97 unequal: No Solution Exploring Operation: 68*64=4352, Resulting Numbers: [4352] 4352,97 unequal: No Solution Exploring Operation: 68-64=4, Resulting Numbers: [4] 4,97 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:[64, 68], Operations: ['1+63=64', '68/1=68'] Exploring Operation: 68-64=4, Resulting Numbers: [4] 4,97 unequal: No Solution Exploring Operation: 64+68=132, Resulting Numbers: [132] 132,97 unequal: No Solution Exploring Operation: 64*68=4352, Resulting Numbers: [4352] 4352,97 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: 97:[63, 1, 69], Operations: ['68+1=69'] Exploring Operation: 63*1=63, Resulting Numbers: [69, 63] Generated Node #0,4,0: 97:[69, 63] Operation: 63*1=63 Exploring Operation: 1+69=70, Resulting Numbers: [63, 70] Generated Node #0,4,1: 97:[63, 70] Operation: 1+69=70 Exploring Operation: 63+1=64, Resulting Numbers: [69, 64] Generated Node #0,4,2: 97:[69, 64] Operation: 63+1=64 Exploring Operation: 1*69=69, Resulting Numbers: [63, 69] Generated Node #0,4,3: 97:[63, 69] Operation: 1*69=69 Exploring Operation: 63/1=63, Resulting Numbers: [69, 63] Generated Node #0,4,4: 97:[69, 63] Operation: 63/1=63 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 97:[63, 70], Operations: ['68+1=69', '1+69=70'] Exploring Operation: 63+70=133, Resulting Numbers: [133] 133,97 unequal: No Solution Exploring Operation: 63*70=4410, Resulting Numbers: [4410] 4410,97 unequal: No Solution Exploring Operation: 70-63=7, Resulting Numbers: [7] 7,97 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 #0,4,2 Current State: 97:[69, 64], Operations: ['68+1=69', '63+1=64'] Exploring Operation: 69-64=5, Resulting Numbers: [5] 5,97 unequal: No Solution Exploring Operation: 69+64=133, Resulting Numbers: [133] 133,97 unequal: No Solution Exploring Operation: 69*64=4416, Resulting Numbers: [4416] 4416,97 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 #0,4,0 Current State: 97:[69, 63], Operations: ['68+1=69', '63*1=63'] Exploring Operation: 69*63=4347, Resulting Numbers: [4347] 4347,97 unequal: No Solution Exploring Operation: 69+63=132, Resulting Numbers: [132] 132,97 unequal: No Solution Exploring Operation: 69-63=6, Resulting Numbers: [6] 6,97 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 #0,4,3 Current State: 97:[63, 69], Operations: ['68+1=69', '1*69=69'] Exploring Operation: 63*69=4347, Resulting Numbers: [4347] 4347,97 unequal: No Solution Exploring Operation: 69-63=6, Resulting Numbers: [6] 6,97 unequal: No Solution Exploring Operation: 63+69=132, Resulting Numbers: [132] 132,97 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 #0,4,4 Current State: 97:[69, 63], Operations: ['68+1=69', '63/1=63'] Exploring Operation: 69-63=6, Resulting Numbers: [6] 6,97 unequal: No Solution Exploring Operation: 69*63=4347, Resulting Numbers: [4347] 4347,97 unequal: No Solution Exploring Operation: 69+63=132, Resulting Numbers: [132] 132,97 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: 97:[68, 63, 2], Operations: ['1+1=2'] Exploring Operation: 68+2=70, Resulting Numbers: [63, 70] Generated Node #0,1,0: 97:[63, 70] Operation: 68+2=70 Exploring Operation: 68-2=66, Resulting Numbers: [63, 66] Generated Node #0,1,1: 97:[63, 66] Operation: 68-2=66 Exploring Operation: 63+2=65, Resulting Numbers: [68, 65] Generated Node #0,1,2: 97:[68, 65] Operation: 63+2=65 Exploring Operation: 63*2=126, Resulting Numbers: [68, 126] Generated Node #0,1,3: 97:[68, 126] Operation: 63*2=126 Exploring Operation: 63-2=61, Resulting Numbers: [68, 61] Generated Node #0,1,4: 97:[68, 61] Operation: 63-2=61 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 97:[68, 126], Operations: ['1+1=2', '63*2=126'] Exploring Operation: 68+126=194, Resulting Numbers: [194] 194,97 unequal: No Solution Exploring Operation: 126-68=58, Resulting Numbers: [58] 58,97 unequal: No Solution Exploring Operation: 68*126=8568, Resulting Numbers: [8568] 8568,97 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:[63, 70], Operations: ['1+1=2', '68+2=70'] Exploring Operation: 63*70=4410, Resulting Numbers: [4410] 4410,97 unequal: No Solution Exploring Operation: 63+70=133, Resulting Numbers: [133] 133,97 unequal: No Solution Exploring Operation: 70-63=7, Resulting Numbers: [7] 7,97 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:[68, 65], Operations: ['1+1=2', '63+2=65'] Exploring Operation: 68*65=4420, Resulting Numbers: [4420] 4420,97 unequal: No Solution Exploring Operation: 68-65=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 68+65=133, Resulting Numbers: [133] 133,97 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:[63, 66], Operations: ['1+1=2', '68-2=66'] Exploring Operation: 66-63=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 63+66=129, Resulting Numbers: [129] 129,97 unequal: No Solution Exploring Operation: 63*66=4158, Resulting Numbers: [4158] 4158,97 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:[68, 61], Operations: ['1+1=2', '63-2=61'] Exploring Operation: 68+61=129, Resulting Numbers: [129] 129,97 unequal: No Solution Exploring Operation: 68*61=4148, Resulting Numbers: [4148] 4148,97 unequal: No Solution Exploring Operation: 68-61=7, Resulting Numbers: [7] 7,97 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: 97:[68, 1, 64], Operations: ['63+1=64'] Exploring Operation: 68/1=68, Resulting Numbers: [64, 68] Generated Node #0,3,0: 97:[64, 68] Operation: 68/1=68 Exploring Operation: 1*64=64, Resulting Numbers: [68, 64] Generated Node #0,3,1: 97:[68, 64] Operation: 1*64=64 Exploring Operation: 1+64=65, Resulting Numbers: [68, 65] Generated Node #0,3,2: 97:[68, 65] Operation: 1+64=65 Exploring Operation: 68*1=68, Resulting Numbers: [64, 68] Generated Node #0,3,3: 97:[64, 68] Operation: 68*1=68 Exploring Operation: 68+1=69, Resulting Numbers: [64, 69] Generated Node #0,3,4: 97:[64, 69] Operation: 68+1=69 Moving to Node #0,3,2 Current State: 97:[68, 65], Operations: ['63+1=64', '1+64=65'] Exploring Operation: 68+65=133, Resulting Numbers: [133] 133,97 unequal: No Solution Exploring Operation: 68-65=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 68*65=4420, Resulting Numbers: [4420] 4420,97 unequal: No Solution Moving to Node #0,3,4 Current State: 97:[64, 69], Operations: ['63+1=64', '68+1=69'] Exploring Operation: 64+69=133, Resulting Numbers: [133] 133,97 unequal: No Solution Exploring Operation: 69-64=5, Resulting Numbers: [5] 5,97 unequal: No Solution Exploring Operation: 64*69=4416, Resulting Numbers: [4416] 4416,97 unequal: No Solution Moving to Node #0,3,0 Current State: 97:[64, 68], Operations: ['63+1=64', '68/1=68'] Exploring Operation: 64*68=4352, Resulting Numbers: [4352] 4352,97 unequal: No Solution Exploring Operation: 68-64=4, Resulting Numbers: [4] 4,97 unequal: No Solution Exploring Operation: 64+68=132, Resulting Numbers: [132] 132,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[68, 64], Operations: ['63+1=64', '1*64=64'] Exploring Operation: 68*64=4352, Resulting Numbers: [4352] 4352,97 unequal: No Solution Exploring Operation: 68+64=132, Resulting Numbers: [132] 132,97 unequal: No Solution Exploring Operation: 68-64=4, Resulting Numbers: [4] 4,97 unequal: No Solution Moving to Node #0,3,3 Current State: 97:[64, 68], Operations: ['63+1=64', '68*1=68'] Exploring Operation: 64+68=132, Resulting Numbers: [132] 132,97 unequal: No Solution Exploring Operation: 68-64=4, Resulting Numbers: [4] 4,97 unequal: No Solution Exploring Operation: 64*68=4352, Resulting Numbers: [4352] 4352,97 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 32, 54, 19, 56 ]
45
[ "56-54=2", "32*2=64", "64-19=45" ]
Current State: 45:[32, 54, 19, 56], Operations: [] Exploring Operation: 56-54=2, Resulting Numbers: [32, 19, 2] Generated Node #2: [32, 19, 2] from Operation: 56-54=2 Current State: 45:[32, 19, 2], Operations: ['56-54=2'] Exploring Operation: 32*2=64, Resulting Numbers: [19, 64] Generated Node #3: [19, 64] from Operation: 32*2=64 Current State: 45:[19, 64], Operations: ['56-54=2', '32*2=64'] Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[32, 54, 19, 56], Operations: [] Exploring Operation: 32-19=13, Resulting Numbers: [54, 56, 13] Generated Node #0,0: 45:[54, 56, 13] Operation: 32-19=13 Exploring Operation: 56-54=2, Resulting Numbers: [32, 19, 2] Generated Node #0,1: 45:[32, 19, 2] Operation: 56-54=2 Exploring Operation: 54-32=22, Resulting Numbers: [19, 56, 22] Generated Node #0,2: 45:[19, 56, 22] Operation: 54-32=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[32, 19, 2], Operations: ['56-54=2'] Exploring Operation: 32/2=16, Resulting Numbers: [19, 16] Generated Node #0,1,0: 45:[19, 16] Operation: 32/2=16 Exploring Operation: 32+19=51, Resulting Numbers: [2, 51] Generated Node #0,1,1: 45:[2, 51] Operation: 32+19=51 Exploring Operation: 32-19=13, Resulting Numbers: [2, 13] Generated Node #0,1,2: 45:[2, 13] Operation: 32-19=13 Moving to Node #0,1,2 Current State: 45:[2, 13], Operations: ['56-54=2', '32-19=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,45 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,45 unequal: No Solution Moving to Node #0,1,0 Current State: 45:[19, 16], Operations: ['56-54=2', '32/2=16'] Exploring Operation: 19+16=35, Resulting Numbers: [35] 35,45 unequal: No Solution Exploring Operation: 19*16=304, Resulting Numbers: [304] 304,45 unequal: No Solution Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,45 unequal: No Solution Moving to Node #0,1,1 Current State: 45:[2, 51], Operations: ['56-54=2', '32+19=51'] Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,45 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,45 unequal: No Solution Exploring Operation: 2*51=102, Resulting Numbers: [102] 102,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[54, 56, 13], Operations: ['32-19=13'] Exploring Operation: 56-13=43, Resulting Numbers: [54, 43] Generated Node #0,0,0: 45:[54, 43] Operation: 56-13=43 Exploring Operation: 54-13=41, Resulting Numbers: [56, 41] Generated Node #0,0,1: 45:[56, 41] Operation: 54-13=41 Exploring Operation: 56-54=2, Resulting Numbers: [13, 2] Generated Node #0,0,2: 45:[13, 2] Operation: 56-54=2 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 45:[13, 2], Operations: ['32-19=13', '56-54=2'] Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,45 unequal: No Solution No 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: 45:[54, 43], Operations: ['32-19=13', '56-13=43'] Exploring Operation: 54-43=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 54+43=97, Resulting Numbers: [97] 97,45 unequal: No Solution Exploring Operation: 54*43=2322, Resulting Numbers: [2322] 2322,45 unequal: No Solution No 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: 45:[56, 41], Operations: ['32-19=13', '54-13=41'] Exploring Operation: 56*41=2296, Resulting Numbers: [2296] 2296,45 unequal: No Solution Exploring Operation: 56-41=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 56+41=97, Resulting Numbers: [97] 97,45 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: 45:[19, 56, 22], Operations: ['54-32=22'] Exploring Operation: 22-19=3, Resulting Numbers: [56, 3] Generated Node #0,2,0: 45:[56, 3] Operation: 22-19=3 Exploring Operation: 19+22=41, Resulting Numbers: [56, 41] Generated Node #0,2,1: 45:[56, 41] Operation: 19+22=41 Exploring Operation: 56-19=37, Resulting Numbers: [22, 37] Generated Node #0,2,2: 45:[22, 37] Operation: 56-19=37 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 45:[56, 3], Operations: ['54-32=22', '22-19=3'] Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,45 unequal: No Solution Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 56*3=168, Resulting Numbers: [168] 168,45 unequal: No Solution No 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: 45:[56, 41], Operations: ['54-32=22', '19+22=41'] Exploring Operation: 56-41=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 56*41=2296, Resulting Numbers: [2296] 2296,45 unequal: No Solution Exploring Operation: 56+41=97, Resulting Numbers: [97] 97,45 unequal: No Solution No 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: 45:[22, 37], Operations: ['54-32=22', '56-19=37'] Exploring Operation: 22*37=814, Resulting Numbers: [814] 814,45 unequal: No Solution Exploring Operation: 22+37=59, Resulting Numbers: [59] 59,45 unequal: No Solution Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,45 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
[ 24, 30, 4, 2 ]
88
[ "24+4=28", "30*2=60", "28+60=88" ]
Current State: 88:[24, 30, 4, 2], Operations: [] Exploring Operation: 24+4=28, Resulting Numbers: [30, 2, 28] Generated Node #2: [30, 2, 28] from Operation: 24+4=28 Current State: 88:[30, 2, 28], Operations: ['24+4=28'] Exploring Operation: 30*2=60, Resulting Numbers: [28, 60] Generated Node #3: [28, 60] from Operation: 30*2=60 Current State: 88:[28, 60], Operations: ['24+4=28', '30*2=60'] Exploring Operation: 28+60=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[24, 30, 4, 2], Operations: [] Exploring Operation: 30-24=6, Resulting Numbers: [4, 2, 6] Generated Node #0,0: 88:[4, 2, 6] Operation: 30-24=6 Exploring Operation: 30-4=26, Resulting Numbers: [24, 2, 26] Generated Node #0,1: 88:[24, 2, 26] Operation: 30-4=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[4, 2, 6], Operations: ['30-24=6'] Exploring Operation: 2+6=8, Resulting Numbers: [4, 8] Generated Node #0,0,0: 88:[4, 8] Operation: 2+6=8 Exploring Operation: 6-4=2, Resulting Numbers: [2, 2] Generated Node #0,0,1: 88:[2, 2] Operation: 6-4=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[4, 8], Operations: ['30-24=6', '2+6=8'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,88 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:[2, 2], Operations: ['30-24=6', '6-4=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,88 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 #0,1 Current State: 88:[24, 2, 26], Operations: ['30-4=26'] Exploring Operation: 26-24=2, Resulting Numbers: [2, 2] Generated Node #0,1,0: 88:[2, 2] Operation: 26-24=2 Exploring Operation: 24-2=22, Resulting Numbers: [26, 22] Generated Node #0,1,1: 88:[26, 22] Operation: 24-2=22 Moving to Node #0,1,0 Current State: 88:[2, 2], Operations: ['30-4=26', '26-24=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[26, 22], Operations: ['30-4=26', '24-2=22'] Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,88 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
[ 5, 1, 33, 15 ]
100
[ "15/5=3", "33*3=99", "1+99=100" ]
Current State: 100:[5, 1, 33, 15], Operations: [] Exploring Operation: 15/5=3, Resulting Numbers: [1, 33, 3] Generated Node #2: [1, 33, 3] from Operation: 15/5=3 Current State: 100:[1, 33, 3], Operations: ['15/5=3'] Exploring Operation: 33*3=99, Resulting Numbers: [1, 99] Generated Node #3: [1, 99] from Operation: 33*3=99 Current State: 100:[1, 99], Operations: ['15/5=3', '33*3=99'] Exploring Operation: 1+99=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[5, 1, 33, 15], Operations: [] Exploring Operation: 5+15=20, Resulting Numbers: [1, 33, 20] Generated Node #0,0: 100:[1, 33, 20] Operation: 5+15=20 Exploring Operation: 33-15=18, Resulting Numbers: [5, 1, 18] Generated Node #0,1: 100:[5, 1, 18] Operation: 33-15=18 Exploring Operation: 33-5=28, Resulting Numbers: [1, 15, 28] Generated Node #0,2: 100:[1, 15, 28] Operation: 33-5=28 Exploring Operation: 33+15=48, Resulting Numbers: [5, 1, 48] Generated Node #0,3: 100:[5, 1, 48] Operation: 33+15=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[5, 1, 18], Operations: ['33-15=18'] Exploring Operation: 5*1=5, Resulting Numbers: [18, 5] Generated Node #0,1,0: 100:[18, 5] Operation: 5*1=5 Exploring Operation: 5-1=4, Resulting Numbers: [18, 4] Generated Node #0,1,1: 100:[18, 4] Operation: 5-1=4 Exploring Operation: 1+18=19, Resulting Numbers: [5, 19] Generated Node #0,1,2: 100:[5, 19] Operation: 1+18=19 Exploring Operation: 5/1=5, Resulting Numbers: [18, 5] Generated Node #0,1,3: 100:[18, 5] Operation: 5/1=5 Moving to Node #0,1,2 Current State: 100:[5, 19], Operations: ['33-15=18', '1+18=19'] Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,100 unequal: No Solution Exploring Operation: 5+19=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[18, 4], Operations: ['33-15=18', '5-1=4'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,100 unequal: No Solution Exploring Operation: 18*4=72, Resulting Numbers: [72] 72,100 unequal: No Solution Exploring Operation: 18+4=22, Resulting Numbers: [22] 22,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[18, 5], Operations: ['33-15=18', '5*1=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,100 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,100 unequal: No Solution Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,100 unequal: No Solution Moving to Node #0,1,3 Current State: 100:[18, 5], Operations: ['33-15=18', '5/1=5'] Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,100 unequal: No Solution Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,100 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 100:[5, 1, 48], Operations: ['33+15=48'] Exploring Operation: 1+48=49, Resulting Numbers: [5, 49] Generated Node #0,3,0: 100:[5, 49] Operation: 1+48=49 Exploring Operation: 5/1=5, Resulting Numbers: [48, 5] Generated Node #0,3,1: 100:[48, 5] Operation: 5/1=5 Exploring Operation: 5-1=4, Resulting Numbers: [48, 4] Generated Node #0,3,2: 100:[48, 4] Operation: 5-1=4 Exploring Operation: 5*1=5, Resulting Numbers: [48, 5] Generated Node #0,3,3: 100:[48, 5] Operation: 5*1=5 Moving to Node #0,3,0 Current State: 100:[5, 49], Operations: ['33+15=48', '1+48=49'] Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,100 unequal: No Solution Exploring Operation: 5*49=245, Resulting Numbers: [245] 245,100 unequal: No Solution Exploring Operation: 5+49=54, Resulting Numbers: [54] 54,100 unequal: No Solution Moving to Node #0,3,2 Current State: 100:[48, 4], Operations: ['33+15=48', '5-1=4'] Exploring Operation: 48+4=52, Resulting Numbers: [52] 52,100 unequal: No Solution Exploring Operation: 48*4=192, Resulting Numbers: [192] 192,100 unequal: No Solution Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,100 unequal: No Solution Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,100 unequal: No Solution Moving to Node #0,3,1 Current State: 100:[48, 5], Operations: ['33+15=48', '5/1=5'] Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 48*5=240, Resulting Numbers: [240] 240,100 unequal: No Solution Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,100 unequal: No Solution Moving to Node #0,3,3 Current State: 100:[48, 5], Operations: ['33+15=48', '5*1=5'] Exploring Operation: 48*5=240, Resulting Numbers: [240] 240,100 unequal: No Solution Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,100 unequal: No Solution Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[1, 33, 20], Operations: ['5+15=20'] Exploring Operation: 33-1=32, Resulting Numbers: [20, 32] Generated Node #0,0,0: 100:[20, 32] Operation: 33-1=32 Exploring Operation: 33-20=13, Resulting Numbers: [1, 13] Generated Node #0,0,1: 100:[1, 13] Operation: 33-20=13 Exploring Operation: 33+20=53, Resulting Numbers: [1, 53] Generated Node #0,0,2: 100:[1, 53] Operation: 33+20=53 Exploring Operation: 1*33=33, Resulting Numbers: [20, 33] Generated Node #0,0,3: 100:[20, 33] Operation: 1*33=33 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 100:[1, 13], Operations: ['5+15=20', '33-20=13'] Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,100 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,100 unequal: No Solution Exploring Operation: 1*13=13, Resulting Numbers: [13] 13,100 unequal: No Solution Exploring Operation: 1+13=14, Resulting Numbers: [14] 14,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 100:[1, 53], Operations: ['5+15=20', '33+20=53'] Exploring Operation: 1*53=53, Resulting Numbers: [53] 53,100 unequal: No Solution Exploring Operation: 53/1=53, Resulting Numbers: [53] 53,100 unequal: No Solution Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,100 unequal: No Solution Exploring Operation: 1+53=54, Resulting Numbers: [54] 54,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[20, 32], Operations: ['5+15=20', '33-1=32'] Exploring Operation: 20+32=52, Resulting Numbers: [52] 52,100 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,100 unequal: No Solution Exploring Operation: 20*32=640, Resulting Numbers: [640] 640,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 100:[20, 33], Operations: ['5+15=20', '1*33=33'] Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,100 unequal: No Solution Exploring Operation: 20+33=53, Resulting Numbers: [53] 53,100 unequal: No Solution Exploring Operation: 20*33=660, Resulting Numbers: [660] 660,100 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: 100:[1, 15, 28], Operations: ['33-5=28'] Exploring Operation: 28-1=27, Resulting Numbers: [15, 27] Generated Node #0,2,0: 100:[15, 27] Operation: 28-1=27 Exploring Operation: 28-15=13, Resulting Numbers: [1, 13] Generated Node #0,2,1: 100:[1, 13] Operation: 28-15=13 Exploring Operation: 1+15=16, Resulting Numbers: [28, 16] Generated Node #0,2,2: 100:[28, 16] Operation: 1+15=16 Exploring Operation: 15-1=14, Resulting Numbers: [28, 14] Generated Node #0,2,3: 100:[28, 14] Operation: 15-1=14 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 100:[1, 13], Operations: ['33-5=28', '28-15=13'] Exploring Operation: 1+13=14, Resulting Numbers: [14] 14,100 unequal: No Solution Exploring Operation: 1*13=13, Resulting Numbers: [13] 13,100 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,100 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 100:[15, 27], Operations: ['33-5=28', '28-1=27'] Exploring Operation: 15+27=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 15*27=405, Resulting Numbers: [405] 405,100 unequal: No Solution Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 100:[28, 16], Operations: ['33-5=28', '1+15=16'] Exploring Operation: 28*16=448, Resulting Numbers: [448] 448,100 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,100 unequal: No Solution Exploring Operation: 28+16=44, Resulting Numbers: [44] 44,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 100:[28, 14], Operations: ['33-5=28', '15-1=14'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,100 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,100 unequal: No Solution Exploring Operation: 28+14=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 28*14=392, Resulting Numbers: [392] 392,100 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
[ 40, 67, 35, 71 ]
100
[ "71-67=4", "35*4=140", "140-40=100" ]
Current State: 100:[40, 67, 35, 71], Operations: [] Exploring Operation: 71-67=4, Resulting Numbers: [40, 35, 4] Generated Node #2: [40, 35, 4] from Operation: 71-67=4 Current State: 100:[40, 35, 4], Operations: ['71-67=4'] Exploring Operation: 35*4=140, Resulting Numbers: [40, 140] Generated Node #3: [40, 140] from Operation: 35*4=140 Current State: 100:[40, 140], Operations: ['71-67=4', '35*4=140'] Exploring Operation: 140-40=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[40, 67, 35, 71], Operations: [] Exploring Operation: 71-40=31, Resulting Numbers: [67, 35, 31] Generated Node #0,0: 100:[67, 35, 31] Operation: 71-40=31 Exploring Operation: 67-40=27, Resulting Numbers: [35, 71, 27] Generated Node #0,1: 100:[35, 71, 27] Operation: 67-40=27 Exploring Operation: 71-67=4, Resulting Numbers: [40, 35, 4] Generated Node #0,2: 100:[40, 35, 4] Operation: 71-67=4 Exploring Operation: 67+35=102, Resulting Numbers: [40, 71, 102] Generated Node #0,3: 100:[40, 71, 102] Operation: 67+35=102 Moving to Node #0,2 Current State: 100:[40, 35, 4], Operations: ['71-67=4'] Exploring Operation: 40+4=44, Resulting Numbers: [35, 44] Generated Node #0,2,0: 100:[35, 44] Operation: 40+4=44 Exploring Operation: 40-35=5, Resulting Numbers: [4, 5] Generated Node #0,2,1: 100:[4, 5] Operation: 40-35=5 Exploring Operation: 35-4=31, Resulting Numbers: [40, 31] Generated Node #0,2,2: 100:[40, 31] Operation: 35-4=31 Exploring Operation: 40/4=10, Resulting Numbers: [35, 10] Generated Node #0,2,3: 100:[35, 10] Operation: 40/4=10 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 100:[4, 5], Operations: ['71-67=4', '40-35=5'] Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,100 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 100:[35, 10], Operations: ['71-67=4', '40/4=10'] Exploring Operation: 35+10=45, Resulting Numbers: [45] 45,100 unequal: No Solution Exploring Operation: 35*10=350, Resulting Numbers: [350] 350,100 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 100:[35, 44], Operations: ['71-67=4', '40+4=44'] Exploring Operation: 44-35=9, Resulting Numbers: [9] 9,100 unequal: No Solution Exploring Operation: 35*44=1540, Resulting Numbers: [1540] 1540,100 unequal: No Solution Exploring Operation: 35+44=79, Resulting Numbers: [79] 79,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 100:[40, 31], Operations: ['71-67=4', '35-4=31'] Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,100 unequal: No Solution Exploring Operation: 40+31=71, Resulting Numbers: [71] 71,100 unequal: No Solution Exploring Operation: 40*31=1240, Resulting Numbers: [1240] 1240,100 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: 100:[35, 71, 27], Operations: ['67-40=27'] Exploring Operation: 71-27=44, Resulting Numbers: [35, 44] Generated Node #0,1,0: 100:[35, 44] Operation: 71-27=44 Exploring Operation: 71+27=98, Resulting Numbers: [35, 98] Generated Node #0,1,1: 100:[35, 98] Operation: 71+27=98 Exploring Operation: 35+71=106, Resulting Numbers: [27, 106] Generated Node #0,1,2: 100:[27, 106] Operation: 35+71=106 Exploring Operation: 71-35=36, Resulting Numbers: [27, 36] Generated Node #0,1,3: 100:[27, 36] Operation: 71-35=36 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 100:[27, 106], Operations: ['67-40=27', '35+71=106'] Exploring Operation: 27*106=2862, Resulting Numbers: [2862] 2862,100 unequal: No Solution Exploring Operation: 27+106=133, Resulting Numbers: [133] 133,100 unequal: No Solution Exploring Operation: 106-27=79, Resulting Numbers: [79] 79,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[35, 98], Operations: ['67-40=27', '71+27=98'] Exploring Operation: 98-35=63, Resulting Numbers: [63] 63,100 unequal: No Solution Exploring Operation: 35+98=133, Resulting Numbers: [133] 133,100 unequal: No Solution Exploring Operation: 35*98=3430, Resulting Numbers: [3430] 3430,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 100:[27, 36], Operations: ['67-40=27', '71-35=36'] Exploring Operation: 27+36=63, Resulting Numbers: [63] 63,100 unequal: No Solution Exploring Operation: 27*36=972, Resulting Numbers: [972] 972,100 unequal: No Solution Exploring Operation: 36-27=9, Resulting Numbers: [9] 9,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[35, 44], Operations: ['67-40=27', '71-27=44'] Exploring Operation: 35*44=1540, Resulting Numbers: [1540] 1540,100 unequal: No Solution Exploring Operation: 35+44=79, Resulting Numbers: [79] 79,100 unequal: No Solution Exploring Operation: 44-35=9, Resulting Numbers: [9] 9,100 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: 100:[67, 35, 31], Operations: ['71-40=31'] Exploring Operation: 67-35=32, Resulting Numbers: [31, 32] Generated Node #0,0,0: 100:[31, 32] Operation: 67-35=32 Exploring Operation: 35-31=4, Resulting Numbers: [67, 4] Generated Node #0,0,1: 100:[67, 4] Operation: 35-31=4 Exploring Operation: 67+35=102, Resulting Numbers: [31, 102] Generated Node #0,0,2: 100:[31, 102] Operation: 67+35=102 Exploring Operation: 67+31=98, Resulting Numbers: [35, 98] Generated Node #0,0,3: 100:[35, 98] Operation: 67+31=98 Moving to Node #0,3 Current State: 100:[40, 71, 102], Operations: ['67+35=102'] Exploring Operation: 40+71=111, Resulting Numbers: [102, 111] Generated Node #0,3,0: 100:[102, 111] Operation: 40+71=111 Exploring Operation: 71-40=31, Resulting Numbers: [102, 31] Generated Node #0,3,1: 100:[102, 31] Operation: 71-40=31 Exploring Operation: 102-71=31, Resulting Numbers: [40, 31] Generated Node #0,3,2: 100:[40, 31] Operation: 102-71=31 Exploring Operation: 102-40=62, Resulting Numbers: [71, 62] Generated Node #0,3,3: 100:[71, 62] Operation: 102-40=62 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 100:[102, 31], Operations: ['67+35=102', '71-40=31'] Exploring Operation: 102-31=71, Resulting Numbers: [71] 71,100 unequal: No Solution Exploring Operation: 102+31=133, Resulting Numbers: [133] 133,100 unequal: No Solution Exploring Operation: 102*31=3162, Resulting Numbers: [3162] 3162,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 100:[102, 111], Operations: ['67+35=102', '40+71=111'] Exploring Operation: 111-102=9, Resulting Numbers: [9] 9,100 unequal: No Solution Exploring Operation: 102*111=11322, Resulting Numbers: [11322] 11322,100 unequal: No Solution Exploring Operation: 102+111=213, Resulting Numbers: [213] 213,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 100:[40, 31], Operations: ['67+35=102', '102-71=31'] Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,100 unequal: No Solution Exploring Operation: 40*31=1240, Resulting Numbers: [1240] 1240,100 unequal: No Solution Exploring Operation: 40+31=71, Resulting Numbers: [71] 71,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 100:[71, 62], Operations: ['67+35=102', '102-40=62'] Exploring Operation: 71-62=9, Resulting Numbers: [9] 9,100 unequal: No Solution Exploring Operation: 71+62=133, Resulting Numbers: [133] 133,100 unequal: No Solution Exploring Operation: 71*62=4402, Resulting Numbers: [4402] 4402,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 100:[31, 102], Operations: ['71-40=31', '67+35=102'] Exploring Operation: 31*102=3162, Resulting Numbers: [3162] 3162,100 unequal: No Solution Exploring Operation: 102-31=71, Resulting Numbers: [71] 71,100 unequal: No Solution Exploring Operation: 31+102=133, Resulting Numbers: [133] 133,100 unequal: No Solution Moving to Node #0,0,3 Current State: 100:[35, 98], Operations: ['71-40=31', '67+31=98'] Exploring Operation: 98-35=63, Resulting Numbers: [63] 63,100 unequal: No Solution Exploring Operation: 35+98=133, Resulting Numbers: [133] 133,100 unequal: No Solution Exploring Operation: 35*98=3430, Resulting Numbers: [3430] 3430,100 unequal: No Solution Moving to Node #0,0,0 Current State: 100:[31, 32], Operations: ['71-40=31', '67-35=32'] Exploring Operation: 31+32=63, Resulting Numbers: [63] 63,100 unequal: No Solution Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,100 unequal: No Solution Exploring Operation: 31*32=992, Resulting Numbers: [992] 992,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[67, 4], Operations: ['71-40=31', '35-31=4'] Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,100 unequal: No Solution Exploring Operation: 67*4=268, Resulting Numbers: [268] 268,100 unequal: No Solution Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,100 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 93, 65, 92, 25 ]
10
[ "93+65=158", "92+158=250", "250/25=10" ]
Current State: 10:[93, 65, 92, 25], Operations: [] Exploring Operation: 93+65=158, Resulting Numbers: [92, 25, 158] Generated Node #2: [92, 25, 158] from Operation: 93+65=158 Current State: 10:[92, 25, 158], Operations: ['93+65=158'] Exploring Operation: 92+158=250, Resulting Numbers: [25, 250] Generated Node #3: [25, 250] from Operation: 92+158=250 Current State: 10:[25, 250], Operations: ['93+65=158', '92+158=250'] Exploring Operation: 250/25=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[93, 65, 92, 25], Operations: [] Exploring Operation: 93-92=1, Resulting Numbers: [65, 25, 1] Generated Node #0,0: 10:[65, 25, 1] Operation: 93-92=1 Exploring Operation: 92-65=27, Resulting Numbers: [93, 25, 27] Generated Node #0,1: 10:[93, 25, 27] Operation: 92-65=27 Exploring Operation: 93-65=28, Resulting Numbers: [92, 25, 28] Generated Node #0,2: 10:[92, 25, 28] Operation: 93-65=28 Moving to Node #0,0 Current State: 10:[65, 25, 1], Operations: ['93-92=1'] Exploring Operation: 25-1=24, Resulting Numbers: [65, 24] Generated Node #0,0,0: 10:[65, 24] Operation: 25-1=24 Exploring Operation: 65-25=40, Resulting Numbers: [1, 40] Generated Node #0,0,1: 10:[1, 40] Operation: 65-25=40 Exploring Operation: 65-1=64, Resulting Numbers: [25, 64] Generated Node #0,0,2: 10:[25, 64] Operation: 65-1=64 Moving to Node #0,1 Current State: 10:[93, 25, 27], Operations: ['92-65=27'] Exploring Operation: 93-25=68, Resulting Numbers: [27, 68] Generated Node #0,1,0: 10:[27, 68] Operation: 93-25=68 Exploring Operation: 93-27=66, Resulting Numbers: [25, 66] Generated Node #0,1,1: 10:[25, 66] Operation: 93-27=66 Exploring Operation: 27-25=2, Resulting Numbers: [93, 2] Generated Node #0,1,2: 10:[93, 2] Operation: 27-25=2 Moving to Node #0,2 Current State: 10:[92, 25, 28], Operations: ['93-65=28'] Exploring Operation: 92-28=64, Resulting Numbers: [25, 64] Generated Node #0,2,0: 10:[25, 64] Operation: 92-28=64 Exploring Operation: 28-25=3, Resulting Numbers: [92, 3] Generated Node #0,2,1: 10:[92, 3] Operation: 28-25=3 Exploring Operation: 92-25=67, Resulting Numbers: [28, 67] Generated Node #0,2,2: 10:[28, 67] Operation: 92-25=67 Moving to Node #0,0,1 Current State: 10:[1, 40], Operations: ['93-92=1', '65-25=40'] Exploring Operation: 1*40=40, Resulting Numbers: [40] 40,10 unequal: No Solution Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,10 unequal: No Solution Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[25, 64], Operations: ['93-92=1', '65-1=64'] Exploring Operation: 25+64=89, Resulting Numbers: [89] 89,10 unequal: No Solution Exploring Operation: 25*64=1600, Resulting Numbers: [1600] 1600,10 unequal: No Solution Exploring Operation: 64-25=39, Resulting Numbers: [39] 39,10 unequal: No Solution Moving to Node #0,2,0 Current State: 10:[25, 64], Operations: ['93-65=28', '92-28=64'] Exploring Operation: 64-25=39, Resulting Numbers: [39] 39,10 unequal: No Solution Exploring Operation: 25+64=89, Resulting Numbers: [89] 89,10 unequal: No Solution Exploring Operation: 25*64=1600, Resulting Numbers: [1600] 1600,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[65, 24], Operations: ['93-92=1', '25-1=24'] Exploring Operation: 65+24=89, Resulting Numbers: [89] 89,10 unequal: No Solution Exploring Operation: 65*24=1560, Resulting Numbers: [1560] 1560,10 unequal: No Solution Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[25, 66], Operations: ['92-65=27', '93-27=66'] Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,10 unequal: No Solution Exploring Operation: 25*66=1650, Resulting Numbers: [1650] 1650,10 unequal: No Solution Exploring Operation: 25+66=91, Resulting Numbers: [91] 91,10 unequal: No Solution Moving to Node #0,2,2 Current State: 10:[28, 67], Operations: ['93-65=28', '92-25=67'] Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,10 unequal: No Solution Exploring Operation: 28+67=95, Resulting Numbers: [95] 95,10 unequal: No Solution Exploring Operation: 28*67=1876, Resulting Numbers: [1876] 1876,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[27, 68], Operations: ['92-65=27', '93-25=68'] Exploring Operation: 27*68=1836, Resulting Numbers: [1836] 1836,10 unequal: No Solution Exploring Operation: 27+68=95, Resulting Numbers: [95] 95,10 unequal: No Solution Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,10 unequal: No Solution Moving to Node #0,2,1 Current State: 10:[92, 3], Operations: ['93-65=28', '28-25=3'] Exploring Operation: 92*3=276, Resulting Numbers: [276] 276,10 unequal: No Solution Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,10 unequal: No Solution Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[93, 2], Operations: ['92-65=27', '27-25=2'] Exploring Operation: 93*2=186, Resulting Numbers: [186] 186,10 unequal: No Solution Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,10 unequal: No Solution Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,10 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 35, 42, 54, 21 ]
93
[ "42-35=7", "21*7=147", "147-54=93" ]
Current State: 93:[35, 42, 54, 21], Operations: [] Exploring Operation: 42-35=7, Resulting Numbers: [54, 21, 7] Generated Node #2: [54, 21, 7] from Operation: 42-35=7 Current State: 93:[54, 21, 7], Operations: ['42-35=7'] Exploring Operation: 21*7=147, Resulting Numbers: [54, 147] Generated Node #3: [54, 147] from Operation: 21*7=147 Current State: 93:[54, 147], Operations: ['42-35=7', '21*7=147'] Exploring Operation: 147-54=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[35, 42, 54, 21], Operations: [] Exploring Operation: 42/21=2, Resulting Numbers: [35, 54, 2] Generated Node #0,0: 93:[35, 54, 2] Operation: 42/21=2 Exploring Operation: 35+54=89, Resulting Numbers: [42, 21, 89] Generated Node #0,1: 93:[42, 21, 89] Operation: 35+54=89 Exploring Operation: 54-21=33, Resulting Numbers: [35, 42, 33] Generated Node #0,2: 93:[35, 42, 33] Operation: 54-21=33 Exploring Operation: 54-42=12, Resulting Numbers: [35, 21, 12] Generated Node #0,3: 93:[35, 21, 12] Operation: 54-42=12 Exploring Operation: 42+54=96, Resulting Numbers: [35, 21, 96] Generated Node #0,4: 93:[35, 21, 96] Operation: 42+54=96 Moving to Node #0,2 Current State: 93:[35, 42, 33], Operations: ['54-21=33'] Exploring Operation: 42+33=75, Resulting Numbers: [35, 75] Generated Node #0,2,0: 93:[35, 75] Operation: 42+33=75 Exploring Operation: 35+42=77, Resulting Numbers: [33, 77] Generated Node #0,2,1: 93:[33, 77] Operation: 35+42=77 Exploring Operation: 42-35=7, Resulting Numbers: [33, 7] Generated Node #0,2,2: 93:[33, 7] Operation: 42-35=7 Exploring Operation: 42-33=9, Resulting Numbers: [35, 9] Generated Node #0,2,3: 93:[35, 9] Operation: 42-33=9 Exploring Operation: 35-33=2, Resulting Numbers: [42, 2] Generated Node #0,2,4: 93:[42, 2] Operation: 35-33=2 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 93:[33, 7], Operations: ['54-21=33', '42-35=7'] Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,93 unequal: No Solution Exploring Operation: 33+7=40, Resulting Numbers: [40] 40,93 unequal: No Solution Exploring Operation: 33*7=231, Resulting Numbers: [231] 231,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 93:[35, 9], Operations: ['54-21=33', '42-33=9'] Exploring Operation: 35+9=44, Resulting Numbers: [44] 44,93 unequal: No Solution Exploring Operation: 35*9=315, Resulting Numbers: [315] 315,93 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 93:[42, 2], Operations: ['54-21=33', '35-33=2'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,93 unequal: No Solution Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,93 unequal: No Solution Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,93 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 93:[33, 77], Operations: ['54-21=33', '35+42=77'] Exploring Operation: 33+77=110, Resulting Numbers: [110] 110,93 unequal: No Solution Exploring Operation: 77-33=44, Resulting Numbers: [44] 44,93 unequal: No Solution Exploring Operation: 33*77=2541, Resulting Numbers: [2541] 2541,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 93:[35, 75], Operations: ['54-21=33', '42+33=75'] Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,93 unequal: No Solution Exploring Operation: 35*75=2625, Resulting Numbers: [2625] 2625,93 unequal: No Solution Exploring Operation: 35+75=110, Resulting Numbers: [110] 110,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 93:[35, 21, 96], Operations: ['42+54=96'] Exploring Operation: 96-35=61, Resulting Numbers: [21, 61] Generated Node #0,4,0: 93:[21, 61] Operation: 96-35=61 Exploring Operation: 35-21=14, Resulting Numbers: [96, 14] Generated Node #0,4,1: 93:[96, 14] Operation: 35-21=14 Exploring Operation: 35+21=56, Resulting Numbers: [96, 56] Generated Node #0,4,2: 93:[96, 56] Operation: 35+21=56 Exploring Operation: 96-21=75, Resulting Numbers: [35, 75] Generated Node #0,4,3: 93:[35, 75] Operation: 96-21=75 Exploring Operation: 21+96=117, Resulting Numbers: [35, 117] Generated Node #0,4,4: 93:[35, 117] Operation: 21+96=117 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 93:[96, 14], Operations: ['42+54=96', '35-21=14'] Exploring Operation: 96*14=1344, Resulting Numbers: [1344] 1344,93 unequal: No Solution Exploring Operation: 96+14=110, Resulting Numbers: [110] 110,93 unequal: No Solution Exploring Operation: 96-14=82, Resulting Numbers: [82] 82,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 93:[35, 75], Operations: ['42+54=96', '96-21=75'] Exploring Operation: 35+75=110, Resulting Numbers: [110] 110,93 unequal: No Solution Exploring Operation: 75-35=40, Resulting Numbers: [40] 40,93 unequal: No Solution Exploring Operation: 35*75=2625, Resulting Numbers: [2625] 2625,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 93:[96, 56], Operations: ['42+54=96', '35+21=56'] Exploring Operation: 96-56=40, Resulting Numbers: [40] 40,93 unequal: No Solution Exploring Operation: 96*56=5376, Resulting Numbers: [5376] 5376,93 unequal: No Solution Exploring Operation: 96+56=152, Resulting Numbers: [152] 152,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 93:[35, 117], Operations: ['42+54=96', '21+96=117'] Exploring Operation: 35*117=4095, Resulting Numbers: [4095] 4095,93 unequal: No Solution Exploring Operation: 35+117=152, Resulting Numbers: [152] 152,93 unequal: No Solution Exploring Operation: 117-35=82, Resulting Numbers: [82] 82,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 93:[21, 61], Operations: ['42+54=96', '96-35=61'] Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,93 unequal: No Solution Exploring Operation: 21*61=1281, Resulting Numbers: [1281] 1281,93 unequal: No Solution Exploring Operation: 21+61=82, Resulting Numbers: [82] 82,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 93:[35, 21, 12], Operations: ['54-42=12'] Exploring Operation: 35-12=23, Resulting Numbers: [21, 23] Generated Node #0,3,0: 93:[21, 23] Operation: 35-12=23 Exploring Operation: 35-21=14, Resulting Numbers: [12, 14] Generated Node #0,3,1: 93:[12, 14] Operation: 35-21=14 Exploring Operation: 35+12=47, Resulting Numbers: [21, 47] Generated Node #0,3,2: 93:[21, 47] Operation: 35+12=47 Exploring Operation: 21+12=33, Resulting Numbers: [35, 33] Generated Node #0,3,3: 93:[35, 33] Operation: 21+12=33 Exploring Operation: 21-12=9, Resulting Numbers: [35, 9] Generated Node #0,3,4: 93:[35, 9] Operation: 21-12=9 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 93:[35, 33], Operations: ['54-42=12', '21+12=33'] Exploring Operation: 35*33=1155, Resulting Numbers: [1155] 1155,93 unequal: No Solution Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 35+33=68, Resulting Numbers: [68] 68,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 93:[35, 9], Operations: ['54-42=12', '21-12=9'] Exploring Operation: 35*9=315, Resulting Numbers: [315] 315,93 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,93 unequal: No Solution Exploring Operation: 35+9=44, Resulting Numbers: [44] 44,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 93:[21, 23], Operations: ['54-42=12', '35-12=23'] Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,93 unequal: No Solution Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,93 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 93:[12, 14], Operations: ['54-42=12', '35-21=14'] Exploring Operation: 12*14=168, Resulting Numbers: [168] 168,93 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 93:[21, 47], Operations: ['54-42=12', '35+12=47'] Exploring Operation: 21+47=68, Resulting Numbers: [68] 68,93 unequal: No Solution Exploring Operation: 21*47=987, Resulting Numbers: [987] 987,93 unequal: No Solution Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 93:[42, 21, 89], Operations: ['35+54=89'] Exploring Operation: 42-21=21, Resulting Numbers: [89, 21] Generated Node #0,1,0: 93:[89, 21] Operation: 42-21=21 Exploring Operation: 42/21=2, Resulting Numbers: [89, 2] Generated Node #0,1,1: 93:[89, 2] Operation: 42/21=2 Exploring Operation: 21+89=110, Resulting Numbers: [42, 110] Generated Node #0,1,2: 93:[42, 110] Operation: 21+89=110 Exploring Operation: 42+21=63, Resulting Numbers: [89, 63] Generated Node #0,1,3: 93:[89, 63] Operation: 42+21=63 Exploring Operation: 89-42=47, Resulting Numbers: [21, 47] Generated Node #0,1,4: 93:[21, 47] Operation: 89-42=47 Moving to Node #0,0 Current State: 93:[35, 54, 2], Operations: ['42/21=2'] Exploring Operation: 35+54=89, Resulting Numbers: [2, 89] Generated Node #0,0,0: 93:[2, 89] Operation: 35+54=89 Exploring Operation: 35-2=33, Resulting Numbers: [54, 33] Generated Node #0,0,1: 93:[54, 33] Operation: 35-2=33 Exploring Operation: 54-35=19, Resulting Numbers: [2, 19] Generated Node #0,0,2: 93:[2, 19] Operation: 54-35=19 Exploring Operation: 54/2=27, Resulting Numbers: [35, 27] Generated Node #0,0,3: 93:[35, 27] Operation: 54/2=27 Exploring Operation: 54*2=108, Resulting Numbers: [35, 108] Generated Node #0,0,4: 93:[35, 108] Operation: 54*2=108 Moving to Node #0,1,1 Current State: 93:[89, 2], Operations: ['35+54=89', '42/21=2'] Exploring Operation: 89+2=91, Resulting Numbers: [91] 91,93 unequal: No Solution Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,93 unequal: No Solution Exploring Operation: 89*2=178, Resulting Numbers: [178] 178,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[2, 89], Operations: ['42/21=2', '35+54=89'] Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,93 unequal: No Solution Exploring Operation: 2*89=178, Resulting Numbers: [178] 178,93 unequal: No Solution Exploring Operation: 2+89=91, Resulting Numbers: [91] 91,93 unequal: No Solution Moving to Node #0,0,3 Current State: 93:[35, 27], Operations: ['42/21=2', '54/2=27'] Exploring Operation: 35-27=8, Resulting Numbers: [8] 8,93 unequal: No Solution Exploring Operation: 35+27=62, Resulting Numbers: [62] 62,93 unequal: No Solution Exploring Operation: 35*27=945, Resulting Numbers: [945] 945,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[2, 19], Operations: ['42/21=2', '54-35=19'] Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,93 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,93 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[89, 21], Operations: ['35+54=89', '42-21=21'] Exploring Operation: 89+21=110, Resulting Numbers: [110] 110,93 unequal: No Solution Exploring Operation: 89-21=68, Resulting Numbers: [68] 68,93 unequal: No Solution Exploring Operation: 89*21=1869, Resulting Numbers: [1869] 1869,93 unequal: No Solution Moving to Node #0,0,4 Current State: 93:[35, 108], Operations: ['42/21=2', '54*2=108'] Exploring Operation: 108-35=73, Resulting Numbers: [73] 73,93 unequal: No Solution Exploring Operation: 35+108=143, Resulting Numbers: [143] 143,93 unequal: No Solution Exploring Operation: 35*108=3780, Resulting Numbers: [3780] 3780,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[54, 33], Operations: ['42/21=2', '35-2=33'] Exploring Operation: 54+33=87, Resulting Numbers: [87] 87,93 unequal: No Solution Exploring Operation: 54*33=1782, Resulting Numbers: [1782] 1782,93 unequal: No Solution Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,93 unequal: No Solution Moving to Node #0,1,4 Current State: 93:[21, 47], Operations: ['35+54=89', '89-42=47'] Exploring Operation: 21*47=987, Resulting Numbers: [987] 987,93 unequal: No Solution Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,93 unequal: No Solution Exploring Operation: 21+47=68, Resulting Numbers: [68] 68,93 unequal: No Solution Moving to Node #0,1,2 Current State: 93:[42, 110], Operations: ['35+54=89', '21+89=110'] Exploring Operation: 42*110=4620, Resulting Numbers: [4620] 4620,93 unequal: No Solution Exploring Operation: 110-42=68, Resulting Numbers: [68] 68,93 unequal: No Solution Exploring Operation: 42+110=152, Resulting Numbers: [152] 152,93 unequal: No Solution Moving to Node #0,1,3 Current State: 93:[89, 63], Operations: ['35+54=89', '42+21=63'] Exploring Operation: 89+63=152, Resulting Numbers: [152] 152,93 unequal: No Solution Exploring Operation: 89*63=5607, Resulting Numbers: [5607] 5607,93 unequal: No Solution Exploring Operation: 89-63=26, Resulting Numbers: [26] 26,93 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 80, 40, 20, 71 ]
69
[ "80+40=120", "71-20=51", "120-51=69" ]
Current State: 69:[80, 40, 20, 71], Operations: [] Exploring Operation: 80+40=120, Resulting Numbers: [20, 71, 120] Generated Node #2: [20, 71, 120] from Operation: 80+40=120 Current State: 69:[20, 71, 120], Operations: ['80+40=120'] Exploring Operation: 71-20=51, Resulting Numbers: [120, 51] Generated Node #3: [120, 51] from Operation: 71-20=51 Current State: 69:[120, 51], Operations: ['80+40=120', '71-20=51'] Exploring Operation: 120-51=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[80, 40, 20, 71], Operations: [] Exploring Operation: 40/20=2, Resulting Numbers: [80, 71, 2] Generated Node #0,0: 69:[80, 71, 2] Operation: 40/20=2 Exploring Operation: 40-20=20, Resulting Numbers: [80, 71, 20] Generated Node #0,1: 69:[80, 71, 20] Operation: 40-20=20 Exploring Operation: 80/40=2, Resulting Numbers: [20, 71, 2] Generated Node #0,2: 69:[20, 71, 2] Operation: 80/40=2 Exploring Operation: 80/20=4, Resulting Numbers: [40, 71, 4] Generated Node #0,3: 69:[40, 71, 4] Operation: 80/20=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[20, 71, 2], Operations: ['80/40=2'] Exploring Operation: 20+2=22, Resulting Numbers: [71, 22] Generated Node #0,2,0: 69:[71, 22] Operation: 20+2=22 Exploring Operation: 71-2=69, Resulting Numbers: [20, 69] Generated Node #0,2,1: 69:[20, 69] Operation: 71-2=69 Exploring Operation: 20-2=18, Resulting Numbers: [71, 18] Generated Node #0,2,2: 69:[71, 18] Operation: 20-2=18 Exploring Operation: 71+2=73, Resulting Numbers: [20, 73] Generated Node #0,2,3: 69:[20, 73] Operation: 71+2=73 Moving to Node #0,2,0 Current State: 69:[71, 22], Operations: ['80/40=2', '20+2=22'] Exploring Operation: 71+22=93, Resulting Numbers: [93] 93,69 unequal: No Solution Exploring Operation: 71-22=49, Resulting Numbers: [49] 49,69 unequal: No Solution Exploring Operation: 71*22=1562, Resulting Numbers: [1562] 1562,69 unequal: No Solution Moving to Node #0,2,1 Current State: 69:[20, 69], Operations: ['80/40=2', '71-2=69'] Exploring Operation: 69-20=49, Resulting Numbers: [49] 49,69 unequal: No Solution Exploring Operation: 20+69=89, Resulting Numbers: [89] 89,69 unequal: No Solution Exploring Operation: 20*69=1380, Resulting Numbers: [1380] 1380,69 unequal: No Solution Moving to Node #0,2,3 Current State: 69:[20, 73], Operations: ['80/40=2', '71+2=73'] Exploring Operation: 20+73=93, Resulting Numbers: [93] 93,69 unequal: No Solution Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,69 unequal: No Solution Exploring Operation: 20*73=1460, Resulting Numbers: [1460] 1460,69 unequal: No Solution Moving to Node #0,2,2 Current State: 69:[71, 18], Operations: ['80/40=2', '20-2=18'] Exploring Operation: 71*18=1278, Resulting Numbers: [1278] 1278,69 unequal: No Solution Exploring Operation: 71-18=53, Resulting Numbers: [53] 53,69 unequal: No Solution Exploring Operation: 71+18=89, Resulting Numbers: [89] 89,69 unequal: No Solution No 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: 69:[80, 71, 2], Operations: ['40/20=2'] Exploring Operation: 80+2=82, Resulting Numbers: [71, 82] Generated Node #0,0,0: 69:[71, 82] Operation: 80+2=82 Exploring Operation: 80-71=9, Resulting Numbers: [2, 9] Generated Node #0,0,1: 69:[2, 9] Operation: 80-71=9 Exploring Operation: 71-2=69, Resulting Numbers: [80, 69] Generated Node #0,0,2: 69:[80, 69] Operation: 71-2=69 Exploring Operation: 80-2=78, Resulting Numbers: [71, 78] Generated Node #0,0,3: 69:[71, 78] Operation: 80-2=78 Moving to Node #0,0,1 Current State: 69:[2, 9], Operations: ['40/20=2', '80-71=9'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,69 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,69 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,69 unequal: No Solution Moving to Node #0,0,3 Current State: 69:[71, 78], Operations: ['40/20=2', '80-2=78'] Exploring Operation: 71*78=5538, Resulting Numbers: [5538] 5538,69 unequal: No Solution Exploring Operation: 71+78=149, Resulting Numbers: [149] 149,69 unequal: No Solution Exploring Operation: 78-71=7, Resulting Numbers: [7] 7,69 unequal: No Solution Moving to Node #0,0,2 Current State: 69:[80, 69], Operations: ['40/20=2', '71-2=69'] Exploring Operation: 80+69=149, Resulting Numbers: [149] 149,69 unequal: No Solution Exploring Operation: 80-69=11, Resulting Numbers: [11] 11,69 unequal: No Solution Exploring Operation: 80*69=5520, Resulting Numbers: [5520] 5520,69 unequal: No Solution Moving to Node #0,0,0 Current State: 69:[71, 82], Operations: ['40/20=2', '80+2=82'] Exploring Operation: 71+82=153, Resulting Numbers: [153] 153,69 unequal: No Solution Exploring Operation: 82-71=11, Resulting Numbers: [11] 11,69 unequal: No Solution Exploring Operation: 71*82=5822, Resulting Numbers: [5822] 5822,69 unequal: No Solution No 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: 69:[80, 71, 20], Operations: ['40-20=20'] Exploring Operation: 80-20=60, Resulting Numbers: [71, 60] Generated Node #0,1,0: 69:[71, 60] Operation: 80-20=60 Exploring Operation: 80-71=9, Resulting Numbers: [20, 9] Generated Node #0,1,1: 69:[20, 9] Operation: 80-71=9 Exploring Operation: 80/20=4, Resulting Numbers: [71, 4] Generated Node #0,1,2: 69:[71, 4] Operation: 80/20=4 Exploring Operation: 71-20=51, Resulting Numbers: [80, 51] Generated Node #0,1,3: 69:[80, 51] Operation: 71-20=51 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 69:[71, 4], Operations: ['40-20=20', '80/20=4'] Exploring Operation: 71*4=284, Resulting Numbers: [284] 284,69 unequal: No Solution Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,69 unequal: No Solution Exploring Operation: 71+4=75, Resulting Numbers: [75] 75,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 69:[20, 9], Operations: ['40-20=20', '80-71=9'] Exploring Operation: 20*9=180, Resulting Numbers: [180] 180,69 unequal: No Solution Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,69 unequal: No Solution Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 69:[71, 60], Operations: ['40-20=20', '80-20=60'] Exploring Operation: 71+60=131, Resulting Numbers: [131] 131,69 unequal: No Solution Exploring Operation: 71-60=11, Resulting Numbers: [11] 11,69 unequal: No Solution Exploring Operation: 71*60=4260, Resulting Numbers: [4260] 4260,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 69:[80, 51], Operations: ['40-20=20', '71-20=51'] Exploring Operation: 80-51=29, Resulting Numbers: [29] 29,69 unequal: No Solution Exploring Operation: 80*51=4080, Resulting Numbers: [4080] 4080,69 unequal: No Solution Exploring Operation: 80+51=131, Resulting Numbers: [131] 131,69 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: 69:[40, 71, 4], Operations: ['80/20=4'] Exploring Operation: 40-4=36, Resulting Numbers: [71, 36] Generated Node #0,3,0: 69:[71, 36] Operation: 40-4=36 Exploring Operation: 40/4=10, Resulting Numbers: [71, 10] Generated Node #0,3,1: 69:[71, 10] Operation: 40/4=10 Exploring Operation: 71-4=67, Resulting Numbers: [40, 67] Generated Node #0,3,2: 69:[40, 67] Operation: 71-4=67 Exploring Operation: 71-40=31, Resulting Numbers: [4, 31] Generated Node #0,3,3: 69:[4, 31] Operation: 71-40=31 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 69:[71, 10], Operations: ['80/20=4', '40/4=10'] Exploring Operation: 71+10=81, Resulting Numbers: [81] 81,69 unequal: No Solution Exploring Operation: 71*10=710, Resulting Numbers: [710] 710,69 unequal: No Solution Exploring Operation: 71-10=61, Resulting Numbers: [61] 61,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 69:[4, 31], Operations: ['80/20=4', '71-40=31'] Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,69 unequal: No Solution Exploring Operation: 4*31=124, Resulting Numbers: [124] 124,69 unequal: No Solution Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 69:[71, 36], Operations: ['80/20=4', '40-4=36'] Exploring Operation: 71-36=35, Resulting Numbers: [35] 35,69 unequal: No Solution Exploring Operation: 71*36=2556, Resulting Numbers: [2556] 2556,69 unequal: No Solution Exploring Operation: 71+36=107, Resulting Numbers: [107] 107,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 69:[40, 67], Operations: ['80/20=4', '71-4=67'] Exploring Operation: 40*67=2680, Resulting Numbers: [2680] 2680,69 unequal: No Solution Exploring Operation: 67-40=27, Resulting Numbers: [27] 27,69 unequal: No Solution Exploring Operation: 40+67=107, Resulting Numbers: [107] 107,69 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
[ 2, 62, 11, 12 ]
26
[ "62+12=74", "74/2=37", "37-11=26" ]
Current State: 26:[2, 62, 11, 12], Operations: [] Exploring Operation: 62+12=74, Resulting Numbers: [2, 11, 74] Generated Node #2: [2, 11, 74] from Operation: 62+12=74 Current State: 26:[2, 11, 74], Operations: ['62+12=74'] Exploring Operation: 74/2=37, Resulting Numbers: [11, 37] Generated Node #3: [11, 37] from Operation: 74/2=37 Current State: 26:[11, 37], Operations: ['62+12=74', '74/2=37'] Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[2, 62, 11, 12], Operations: [] Exploring Operation: 62/2=31, Resulting Numbers: [11, 12, 31] Generated Node #0,0: 26:[11, 12, 31] Operation: 62/2=31 Exploring Operation: 62-11=51, Resulting Numbers: [2, 12, 51] Generated Node #0,1: 26:[2, 12, 51] Operation: 62-11=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[11, 12, 31], Operations: ['62/2=31'] Exploring Operation: 31-11=20, Resulting Numbers: [12, 20] Generated Node #0,0,0: 26:[12, 20] Operation: 31-11=20 Exploring Operation: 12-11=1, Resulting Numbers: [31, 1] Generated Node #0,0,1: 26:[31, 1] Operation: 12-11=1 Moving to Node #0,0,1 Current State: 26:[31, 1], Operations: ['62/2=31', '12-11=1'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 31*1=31, Resulting Numbers: [31] 31,26 unequal: No Solution Moving to Node #0,0,0 Current State: 26:[12, 20], Operations: ['62/2=31', '31-11=20'] Exploring Operation: 12+20=32, Resulting Numbers: [32] 32,26 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,26 unequal: No Solution No 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: 26:[2, 12, 51], Operations: ['62-11=51'] Exploring Operation: 51-12=39, Resulting Numbers: [2, 39] Generated Node #0,1,0: 26:[2, 39] Operation: 51-12=39 Exploring Operation: 51-2=49, Resulting Numbers: [12, 49] Generated Node #0,1,1: 26:[12, 49] Operation: 51-2=49 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 26:[2, 39], Operations: ['62-11=51', '51-12=39'] Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,26 unequal: No Solution No 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: 26:[12, 49], Operations: ['62-11=51', '51-2=49'] Exploring Operation: 49-12=37, Resulting Numbers: [37] 37,26 unequal: No Solution Exploring Operation: 12+49=61, Resulting Numbers: [61] 61,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 80, 44, 19, 43 ]
99
[ "80+19=99", "44-43=1", "99*1=99" ]
Current State: 99:[80, 44, 19, 43], Operations: [] Exploring Operation: 80+19=99, Resulting Numbers: [44, 43, 99] Generated Node #2: [44, 43, 99] from Operation: 80+19=99 Current State: 99:[44, 43, 99], Operations: ['80+19=99'] Exploring Operation: 44-43=1, Resulting Numbers: [99, 1] Generated Node #3: [99, 1] from Operation: 44-43=1 Current State: 99:[99, 1], Operations: ['80+19=99', '44-43=1'] Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[80, 44, 19, 43], Operations: [] Exploring Operation: 80-44=36, Resulting Numbers: [19, 43, 36] Generated Node #0,0: 99:[19, 43, 36] Operation: 80-44=36 Exploring Operation: 44-43=1, Resulting Numbers: [80, 19, 1] Generated Node #0,1: 99:[80, 19, 1] Operation: 44-43=1 Exploring Operation: 80+19=99, Resulting Numbers: [44, 43, 99] Generated Node #0,2: 99:[44, 43, 99] Operation: 80+19=99 Exploring Operation: 80-43=37, Resulting Numbers: [44, 19, 37] Generated Node #0,3: 99:[44, 19, 37] Operation: 80-43=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[19, 43, 36], Operations: ['80-44=36'] Exploring Operation: 43-36=7, Resulting Numbers: [19, 7] Generated Node #0,0,0: 99:[19, 7] Operation: 43-36=7 Exploring Operation: 43+36=79, Resulting Numbers: [19, 79] Generated Node #0,0,1: 99:[19, 79] Operation: 43+36=79 Exploring Operation: 36-19=17, Resulting Numbers: [43, 17] Generated Node #0,0,2: 99:[43, 17] Operation: 36-19=17 Exploring Operation: 43-19=24, Resulting Numbers: [36, 24] Generated Node #0,0,3: 99:[36, 24] Operation: 43-19=24 Moving to Node #0,0,0 Current State: 99:[19, 7], Operations: ['80-44=36', '43-36=7'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,99 unequal: No Solution Exploring Operation: 19+7=26, Resulting Numbers: [26] 26,99 unequal: No Solution Exploring Operation: 19*7=133, Resulting Numbers: [133] 133,99 unequal: No Solution Moving to Node #0,0,3 Current State: 99:[36, 24], Operations: ['80-44=36', '43-19=24'] Exploring Operation: 36*24=864, Resulting Numbers: [864] 864,99 unequal: No Solution Exploring Operation: 36+24=60, Resulting Numbers: [60] 60,99 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,99 unequal: No Solution Moving to Node #0,0,2 Current State: 99:[43, 17], Operations: ['80-44=36', '36-19=17'] Exploring Operation: 43*17=731, Resulting Numbers: [731] 731,99 unequal: No Solution Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,99 unequal: No Solution Exploring Operation: 43+17=60, Resulting Numbers: [60] 60,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[19, 79], Operations: ['80-44=36', '43+36=79'] Exploring Operation: 79-19=60, Resulting Numbers: [60] 60,99 unequal: No Solution Exploring Operation: 19*79=1501, Resulting Numbers: [1501] 1501,99 unequal: No Solution Exploring Operation: 19+79=98, Resulting Numbers: [98] 98,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[44, 43, 99], Operations: ['80+19=99'] Exploring Operation: 44-43=1, Resulting Numbers: [99, 1] Generated Node #0,2,0: 99:[99, 1] Operation: 44-43=1 Exploring Operation: 99-44=55, Resulting Numbers: [43, 55] Generated Node #0,2,1: 99:[43, 55] Operation: 99-44=55 Exploring Operation: 44+43=87, Resulting Numbers: [99, 87] Generated Node #0,2,2: 99:[99, 87] Operation: 44+43=87 Exploring Operation: 99-43=56, Resulting Numbers: [44, 56] Generated Node #0,2,3: 99:[44, 56] Operation: 99-43=56 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 99:[99, 1], Operations: ['80+19=99', '44-43=1'] Exploring Operation: 99-1=98, Resulting Numbers: [98] 98,99 unequal: No Solution Exploring Operation: 99/1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[80, 44, 19, 43], Operations: [] Exploring Operation: 80+19=99, Resulting Numbers: [44, 43, 99] Generated Node #0,2: 99:[44, 43, 99] Operation: 80+19=99 Moving to Node #0,2 Current State: 99:[44, 43, 99], Operations: ['80+19=99'] Exploring Operation: 44-43=1, Resulting Numbers: [99, 1] Generated Node #0,2,0: 99:[99, 1] Operation: 44-43=1 Moving to Node #0,2,0 Current State: 99:[99, 1], Operations: ['80+19=99', '44-43=1'] Exploring Operation: 99/1=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 46, 35, 10, 9 ]
80
[ "46+35=81", "10-9=1", "81-1=80" ]
Current State: 80:[46, 35, 10, 9], Operations: [] Exploring Operation: 46+35=81, Resulting Numbers: [10, 9, 81] Generated Node #2: [10, 9, 81] from Operation: 46+35=81 Current State: 80:[10, 9, 81], Operations: ['46+35=81'] Exploring Operation: 10-9=1, Resulting Numbers: [81, 1] Generated Node #3: [81, 1] from Operation: 10-9=1 Current State: 80:[81, 1], Operations: ['46+35=81', '10-9=1'] Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[46, 35, 10, 9], Operations: [] Exploring Operation: 46+35=81, Resulting Numbers: [10, 9, 81] Generated Node #0,0: 80:[10, 9, 81] Operation: 46+35=81 Exploring Operation: 35+9=44, Resulting Numbers: [46, 10, 44] Generated Node #0,1: 80:[46, 10, 44] Operation: 35+9=44 Exploring Operation: 46-9=37, Resulting Numbers: [35, 10, 37] Generated Node #0,2: 80:[35, 10, 37] Operation: 46-9=37 Exploring Operation: 46-10=36, Resulting Numbers: [35, 9, 36] Generated Node #0,3: 80:[35, 9, 36] Operation: 46-10=36 Exploring Operation: 46-35=11, Resulting Numbers: [10, 9, 11] Generated Node #0,4: 80:[10, 9, 11] Operation: 46-35=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[10, 9, 81], Operations: ['46+35=81'] Exploring Operation: 10+9=19, Resulting Numbers: [81, 19] Generated Node #0,0,0: 80:[81, 19] Operation: 10+9=19 Exploring Operation: 81-9=72, Resulting Numbers: [10, 72] Generated Node #0,0,1: 80:[10, 72] Operation: 81-9=72 Exploring Operation: 10-9=1, Resulting Numbers: [81, 1] Generated Node #0,0,2: 80:[81, 1] Operation: 10-9=1 Exploring Operation: 81-10=71, Resulting Numbers: [9, 71] Generated Node #0,0,3: 80:[9, 71] Operation: 81-10=71 Exploring Operation: 81/9=9, Resulting Numbers: [10, 9] Generated Node #0,0,4: 80:[10, 9] Operation: 81/9=9 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 80:[10, 9], Operations: ['46+35=81', '81/9=9'] Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,80 unequal: No Solution Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[81, 19], Operations: ['46+35=81', '10+9=19'] Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,80 unequal: No Solution Exploring Operation: 81+19=100, Resulting Numbers: [100] 100,80 unequal: No Solution Exploring Operation: 81*19=1539, Resulting Numbers: [1539] 1539,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 80:[81, 1], Operations: ['46+35=81', '10-9=1'] Exploring Operation: 81/1=81, Resulting Numbers: [81] 81,80 unequal: No Solution Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[46, 35, 10, 9], Operations: [] Exploring Operation: 46+35=81, Resulting Numbers: [10, 9, 81] Generated Node #0,0: 80:[10, 9, 81] Operation: 46+35=81 Moving to Node #0,0 Current State: 80:[10, 9, 81], Operations: ['46+35=81'] Exploring Operation: 10-9=1, Resulting Numbers: [81, 1] Generated Node #0,0,2: 80:[81, 1] Operation: 10-9=1 Moving to Node #0,0,2 Current State: 80:[81, 1], Operations: ['46+35=81', '10-9=1'] Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 12, 60, 59, 65 ]
11
[ "60/12=5", "65-59=6", "5+6=11" ]
Current State: 11:[12, 60, 59, 65], Operations: [] Exploring Operation: 60/12=5, Resulting Numbers: [59, 65, 5] Generated Node #2: [59, 65, 5] from Operation: 60/12=5 Current State: 11:[59, 65, 5], Operations: ['60/12=5'] Exploring Operation: 65-59=6, Resulting Numbers: [5, 6] Generated Node #3: [5, 6] from Operation: 65-59=6 Current State: 11:[5, 6], Operations: ['60/12=5', '65-59=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[12, 60, 59, 65], Operations: [] Exploring Operation: 60-59=1, Resulting Numbers: [12, 65, 1] Generated Node #0,0: 11:[12, 65, 1] Operation: 60-59=1 Exploring Operation: 60-12=48, Resulting Numbers: [59, 65, 48] Generated Node #0,1: 11:[59, 65, 48] Operation: 60-12=48 Exploring Operation: 65-59=6, Resulting Numbers: [12, 60, 6] Generated Node #0,2: 11:[12, 60, 6] Operation: 65-59=6 Exploring Operation: 60/12=5, Resulting Numbers: [59, 65, 5] Generated Node #0,3: 11:[59, 65, 5] Operation: 60/12=5 Exploring Operation: 65-60=5, Resulting Numbers: [12, 59, 5] Generated Node #0,4: 11:[12, 59, 5] Operation: 65-60=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[12, 60, 6], Operations: ['65-59=6'] Exploring Operation: 60/12=5, Resulting Numbers: [6, 5] Generated Node #0,2,0: 11:[6, 5] Operation: 60/12=5 Exploring Operation: 12-6=6, Resulting Numbers: [60, 6] Generated Node #0,2,1: 11:[60, 6] Operation: 12-6=6 Exploring Operation: 60-6=54, Resulting Numbers: [12, 54] Generated Node #0,2,2: 11:[12, 54] Operation: 60-6=54 Exploring Operation: 60-12=48, Resulting Numbers: [6, 48] Generated Node #0,2,3: 11:[6, 48] Operation: 60-12=48 Exploring Operation: 60/6=10, Resulting Numbers: [12, 10] Generated Node #0,2,4: 11:[12, 10] Operation: 60/6=10 Moving to Node #0,2,4 Current State: 11:[12, 10], Operations: ['65-59=6', '60/6=10'] Exploring Operation: 12+10=22, Resulting Numbers: [22] 22,11 unequal: No Solution Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 12*10=120, Resulting Numbers: [120] 120,11 unequal: No Solution Moving to Node #0,2,0 Current State: 11:[6, 5], Operations: ['65-59=6', '60/12=5'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,11 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[12, 60, 59, 65], Operations: [] Exploring Operation: 65-59=6, Resulting Numbers: [12, 60, 6] Generated Node #0,2: 11:[12, 60, 6] Operation: 65-59=6 Moving to Node #0,2 Current State: 11:[12, 60, 6], Operations: ['65-59=6'] Exploring Operation: 60/12=5, Resulting Numbers: [6, 5] Generated Node #0,2,0: 11:[6, 5] Operation: 60/12=5 Moving to Node #0,2,0 Current State: 11:[6, 5], Operations: ['65-59=6', '60/12=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 29, 82, 22, 3 ]
93
[ "82-29=53", "53-22=31", "3*31=93" ]
Current State: 93:[29, 82, 22, 3], Operations: [] Exploring Operation: 82-29=53, Resulting Numbers: [22, 3, 53] Generated Node #2: [22, 3, 53] from Operation: 82-29=53 Current State: 93:[22, 3, 53], Operations: ['82-29=53'] Exploring Operation: 53-22=31, Resulting Numbers: [3, 31] Generated Node #3: [3, 31] from Operation: 53-22=31 Current State: 93:[3, 31], Operations: ['82-29=53', '53-22=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[29, 82, 22, 3], Operations: [] Exploring Operation: 82+22=104, Resulting Numbers: [29, 3, 104] Generated Node #0,0: 93:[29, 3, 104] Operation: 82+22=104 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[29, 3, 104], Operations: ['82+22=104'] Exploring Operation: 104-3=101, Resulting Numbers: [29, 101] Generated Node #0,0,0: 93:[29, 101] Operation: 104-3=101 Moving to Node #0,0,0 Current State: 93:[29, 101], Operations: ['82+22=104', '104-3=101'] Exploring Operation: 101-29=72, Resulting Numbers: [72] 72,93 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
[ 69, 72, 78, 60 ]
86
[ "72-69=3", "78/3=26", "60+26=86" ]
Current State: 86:[69, 72, 78, 60], Operations: [] Exploring Operation: 72-69=3, Resulting Numbers: [78, 60, 3] Generated Node #2: [78, 60, 3] from Operation: 72-69=3 Current State: 86:[78, 60, 3], Operations: ['72-69=3'] Exploring Operation: 78/3=26, Resulting Numbers: [60, 26] Generated Node #3: [60, 26] from Operation: 78/3=26 Current State: 86:[60, 26], Operations: ['72-69=3', '78/3=26'] Exploring Operation: 60+26=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[69, 72, 78, 60], Operations: [] Exploring Operation: 69-60=9, Resulting Numbers: [72, 78, 9] Generated Node #0,0: 86:[72, 78, 9] Operation: 69-60=9 Exploring Operation: 78-69=9, Resulting Numbers: [72, 60, 9] Generated Node #0,1: 86:[72, 60, 9] Operation: 78-69=9 Exploring Operation: 72-60=12, Resulting Numbers: [69, 78, 12] Generated Node #0,2: 86:[69, 78, 12] Operation: 72-60=12 Exploring Operation: 72-69=3, Resulting Numbers: [78, 60, 3] Generated Node #0,3: 86:[78, 60, 3] Operation: 72-69=3 Moving to Node #0,3 Current State: 86:[78, 60, 3], Operations: ['72-69=3'] Exploring Operation: 78-60=18, Resulting Numbers: [3, 18] Generated Node #0,3,0: 86:[3, 18] Operation: 78-60=18 Exploring Operation: 60-3=57, Resulting Numbers: [78, 57] Generated Node #0,3,1: 86:[78, 57] Operation: 60-3=57 Exploring Operation: 78+3=81, Resulting Numbers: [60, 81] Generated Node #0,3,2: 86:[60, 81] Operation: 78+3=81 Exploring Operation: 60/3=20, Resulting Numbers: [78, 20] Generated Node #0,3,3: 86:[78, 20] Operation: 60/3=20 Moving to Node #0,0 Current State: 86:[72, 78, 9], Operations: ['69-60=9'] Exploring Operation: 72/9=8, Resulting Numbers: [78, 8] Generated Node #0,0,0: 86:[78, 8] Operation: 72/9=8 Exploring Operation: 78-72=6, Resulting Numbers: [9, 6] Generated Node #0,0,1: 86:[9, 6] Operation: 78-72=6 Exploring Operation: 78+9=87, Resulting Numbers: [72, 87] Generated Node #0,0,2: 86:[72, 87] Operation: 78+9=87 Exploring Operation: 72+9=81, Resulting Numbers: [78, 81] Generated Node #0,0,3: 86:[78, 81] Operation: 72+9=81 Moving to Node #0,2 Current State: 86:[69, 78, 12], Operations: ['72-60=12'] Exploring Operation: 69+12=81, Resulting Numbers: [78, 81] Generated Node #0,2,0: 86:[78, 81] Operation: 69+12=81 Exploring Operation: 69-12=57, Resulting Numbers: [78, 57] Generated Node #0,2,1: 86:[78, 57] Operation: 69-12=57 Exploring Operation: 78-69=9, Resulting Numbers: [12, 9] Generated Node #0,2,2: 86:[12, 9] Operation: 78-69=9 Exploring Operation: 78+12=90, Resulting Numbers: [69, 90] Generated Node #0,2,3: 86:[69, 90] Operation: 78+12=90 Moving to Node #0,1 Current State: 86:[72, 60, 9], Operations: ['78-69=9'] Exploring Operation: 60-9=51, Resulting Numbers: [72, 51] Generated Node #0,1,0: 86:[72, 51] Operation: 60-9=51 Exploring Operation: 72/9=8, Resulting Numbers: [60, 8] Generated Node #0,1,1: 86:[60, 8] Operation: 72/9=8 Exploring Operation: 72+9=81, Resulting Numbers: [60, 81] Generated Node #0,1,2: 86:[60, 81] Operation: 72+9=81 Exploring Operation: 72-60=12, Resulting Numbers: [9, 12] Generated Node #0,1,3: 86:[9, 12] Operation: 72-60=12 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 86:[9, 12], Operations: ['78-69=9', '72-60=12'] Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,86 unequal: No Solution Exploring Operation: 9*12=108, Resulting Numbers: [108] 108,86 unequal: No Solution Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,86 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 #0,1,0 Current State: 86:[72, 51], Operations: ['78-69=9', '60-9=51'] Exploring Operation: 72*51=3672, Resulting Numbers: [3672] 3672,86 unequal: No Solution Exploring Operation: 72-51=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 72+51=123, Resulting Numbers: [123] 123,86 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 #0,1,2 Current State: 86:[60, 81], Operations: ['78-69=9', '72+9=81'] Exploring Operation: 60+81=141, Resulting Numbers: [141] 141,86 unequal: No Solution Exploring Operation: 81-60=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 60*81=4860, Resulting Numbers: [4860] 4860,86 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 #0,1,1 Current State: 86:[60, 8], Operations: ['78-69=9', '72/9=8'] Exploring Operation: 60+8=68, Resulting Numbers: [68] 68,86 unequal: No Solution Exploring Operation: 60*8=480, Resulting Numbers: [480] 480,86 unequal: No Solution Exploring Operation: 60-8=52, Resulting Numbers: [52] 52,86 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:[9, 6], Operations: ['69-60=9', '78-72=6'] Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,86 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,86 unequal: No Solution Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,86 unequal: No Solution Moving to Node #0,0,3 Current State: 86:[78, 81], Operations: ['69-60=9', '72+9=81'] Exploring Operation: 78+81=159, Resulting Numbers: [159] 159,86 unequal: No Solution Exploring Operation: 81-78=3, Resulting Numbers: [3] 3,86 unequal: No Solution Exploring Operation: 78*81=6318, Resulting Numbers: [6318] 6318,86 unequal: No Solution Moving to Node #0,2,0 Current State: 86:[78, 81], Operations: ['72-60=12', '69+12=81'] Exploring Operation: 78+81=159, Resulting Numbers: [159] 159,86 unequal: No Solution Exploring Operation: 78*81=6318, Resulting Numbers: [6318] 6318,86 unequal: No Solution Exploring Operation: 81-78=3, Resulting Numbers: [3] 3,86 unequal: No Solution Moving to Node #0,0,0 Current State: 86:[78, 8], Operations: ['69-60=9', '72/9=8'] Exploring Operation: 78-8=70, Resulting Numbers: [70] 70,86 unequal: No Solution Exploring Operation: 78+8=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[69, 72, 78, 60], Operations: [] Exploring Operation: 69-60=9, Resulting Numbers: [72, 78, 9] Generated Node #0,0: 86:[72, 78, 9] Operation: 69-60=9 Moving to Node #0,0 Current State: 86:[72, 78, 9], Operations: ['69-60=9'] Exploring Operation: 72/9=8, Resulting Numbers: [78, 8] Generated Node #0,0,0: 86:[78, 8] Operation: 72/9=8 Moving to Node #0,0,0 Current State: 86:[78, 8], Operations: ['69-60=9', '72/9=8'] Exploring Operation: 78+8=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.959201
hs_4
mult_heuristic
[ 27, 33, 54, 30 ]
63
[ "30-27=3", "54-33=21", "3*21=63" ]
Current State: 63:[27, 33, 54, 30], Operations: [] Exploring Operation: 30-27=3, Resulting Numbers: [33, 54, 3] Generated Node #2: [33, 54, 3] from Operation: 30-27=3 Current State: 63:[33, 54, 3], Operations: ['30-27=3'] Exploring Operation: 54-33=21, Resulting Numbers: [3, 21] Generated Node #3: [3, 21] from Operation: 54-33=21 Current State: 63:[3, 21], Operations: ['30-27=3', '54-33=21'] Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[27, 33, 54, 30], Operations: [] Exploring Operation: 54-33=21, Resulting Numbers: [27, 30, 21] Generated Node #0,0: 63:[27, 30, 21] Operation: 54-33=21 Moving to Node #0,0 Current State: 63:[27, 30, 21], Operations: ['54-33=21'] Exploring Operation: 30-27=3, Resulting Numbers: [21, 3] Generated Node #0,0,0: 63:[21, 3] Operation: 30-27=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[21, 3], Operations: ['54-33=21', '30-27=3'] Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[27, 33, 54, 30], Operations: [] Exploring Operation: 54-33=21, Resulting Numbers: [27, 30, 21] Generated Node #0,0: 63:[27, 30, 21] Operation: 54-33=21 Moving to Node #0,0 Current State: 63:[27, 30, 21], Operations: ['54-33=21'] Exploring Operation: 30-27=3, Resulting Numbers: [21, 3] Generated Node #0,0,0: 63:[21, 3] Operation: 30-27=3 Moving to Node #0,0,0 Current State: 63:[21, 3], Operations: ['54-33=21', '30-27=3'] Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 85, 49, 81, 98 ]
10
[ "98-85=13", "49+81=130", "130/13=10" ]
Current State: 10:[85, 49, 81, 98], Operations: [] Exploring Operation: 98-85=13, Resulting Numbers: [49, 81, 13] Generated Node #2: [49, 81, 13] from Operation: 98-85=13 Current State: 10:[49, 81, 13], Operations: ['98-85=13'] Exploring Operation: 49+81=130, Resulting Numbers: [13, 130] Generated Node #3: [13, 130] from Operation: 49+81=130 Current State: 10:[13, 130], Operations: ['98-85=13', '49+81=130'] Exploring Operation: 130/13=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[85, 49, 81, 98], Operations: [] Exploring Operation: 98-85=13, Resulting Numbers: [49, 81, 13] Generated Node #0,0: 10:[49, 81, 13] Operation: 98-85=13 Exploring Operation: 85-81=4, Resulting Numbers: [49, 98, 4] Generated Node #0,1: 10:[49, 98, 4] Operation: 85-81=4 Exploring Operation: 85-49=36, Resulting Numbers: [81, 98, 36] Generated Node #0,2: 10:[81, 98, 36] Operation: 85-49=36 Exploring Operation: 98-81=17, Resulting Numbers: [85, 49, 17] Generated Node #0,3: 10:[85, 49, 17] Operation: 98-81=17 Exploring Operation: 98/49=2, Resulting Numbers: [85, 81, 2] Generated Node #0,4: 10:[85, 81, 2] Operation: 98/49=2 Moving to Node #0,0 Current State: 10:[49, 81, 13], Operations: ['98-85=13'] Exploring Operation: 81-49=32, Resulting Numbers: [13, 32] Generated Node #0,0,0: 10:[13, 32] Operation: 81-49=32 Exploring Operation: 81-13=68, Resulting Numbers: [49, 68] Generated Node #0,0,1: 10:[49, 68] Operation: 81-13=68 Exploring Operation: 49-13=36, Resulting Numbers: [81, 36] Generated Node #0,0,2: 10:[81, 36] Operation: 49-13=36 Exploring Operation: 49+81=130, Resulting Numbers: [13, 130] Generated Node #0,0,3: 10:[13, 130] Operation: 49+81=130 Exploring Operation: 49+13=62, Resulting Numbers: [81, 62] Generated Node #0,0,4: 10:[81, 62] Operation: 49+13=62 Moving to Node #0,3 Current State: 10:[85, 49, 17], Operations: ['98-81=17'] Exploring Operation: 85/17=5, Resulting Numbers: [49, 5] Generated Node #0,3,0: 10:[49, 5] Operation: 85/17=5 Exploring Operation: 85+49=134, Resulting Numbers: [17, 134] Generated Node #0,3,1: 10:[17, 134] Operation: 85+49=134 Exploring Operation: 85-49=36, Resulting Numbers: [17, 36] Generated Node #0,3,2: 10:[17, 36] Operation: 85-49=36 Exploring Operation: 85-17=68, Resulting Numbers: [49, 68] Generated Node #0,3,3: 10:[49, 68] Operation: 85-17=68 Exploring Operation: 49-17=32, Resulting Numbers: [85, 32] Generated Node #0,3,4: 10:[85, 32] Operation: 49-17=32 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 10:[17, 36], Operations: ['98-81=17', '85-49=36'] Exploring Operation: 17+36=53, Resulting Numbers: [53] 53,10 unequal: No Solution Exploring Operation: 17*36=612, Resulting Numbers: [612] 612,10 unequal: No Solution Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,10 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:[49, 5], Operations: ['98-81=17', '85/17=5'] Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,10 unequal: No Solution Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,10 unequal: No Solution Exploring Operation: 49*5=245, Resulting Numbers: [245] 245,10 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:[49, 68], Operations: ['98-81=17', '85-17=68'] Exploring Operation: 49*68=3332, Resulting Numbers: [3332] 3332,10 unequal: No Solution Exploring Operation: 68-49=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 49+68=117, Resulting Numbers: [117] 117,10 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 #0,3,4 Current State: 10:[85, 32], Operations: ['98-81=17', '49-17=32'] Exploring Operation: 85*32=2720, Resulting Numbers: [2720] 2720,10 unequal: No Solution Exploring Operation: 85-32=53, Resulting Numbers: [53] 53,10 unequal: No Solution Exploring Operation: 85+32=117, Resulting Numbers: [117] 117,10 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 #0,3,1 Current State: 10:[17, 134], Operations: ['98-81=17', '85+49=134'] Exploring Operation: 17+134=151, Resulting Numbers: [151] 151,10 unequal: No Solution Exploring Operation: 134-17=117, Resulting Numbers: [117] 117,10 unequal: No Solution Exploring Operation: 17*134=2278, Resulting Numbers: [2278] 2278,10 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: 10:[49, 98, 4], Operations: ['85-81=4'] Exploring Operation: 49+4=53, Resulting Numbers: [98, 53] Generated Node #0,1,0: 10:[98, 53] Operation: 49+4=53 Exploring Operation: 98/49=2, Resulting Numbers: [4, 2] Generated Node #0,1,1: 10:[4, 2] Operation: 98/49=2 Exploring Operation: 98-49=49, Resulting Numbers: [4, 49] Generated Node #0,1,2: 10:[4, 49] Operation: 98-49=49 Exploring Operation: 49-4=45, Resulting Numbers: [98, 45] Generated Node #0,1,3: 10:[98, 45] Operation: 49-4=45 Exploring Operation: 98-4=94, Resulting Numbers: [49, 94] Generated Node #0,1,4: 10:[49, 94] Operation: 98-4=94 Moving to Node #0,4 Current State: 10:[85, 81, 2], Operations: ['98/49=2'] Exploring Operation: 85-2=83, Resulting Numbers: [81, 83] Generated Node #0,4,0: 10:[81, 83] Operation: 85-2=83 Exploring Operation: 85-81=4, Resulting Numbers: [2, 4] Generated Node #0,4,1: 10:[2, 4] Operation: 85-81=4 Exploring Operation: 81-2=79, Resulting Numbers: [85, 79] Generated Node #0,4,2: 10:[85, 79] Operation: 81-2=79 Exploring Operation: 85+2=87, Resulting Numbers: [81, 87] Generated Node #0,4,3: 10:[81, 87] Operation: 85+2=87 Exploring Operation: 81+2=83, Resulting Numbers: [85, 83] Generated Node #0,4,4: 10:[85, 83] Operation: 81+2=83 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 10:[2, 4], Operations: ['98/49=2', '85-81=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,10 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 10:[81, 83], Operations: ['98/49=2', '85-2=83'] Exploring Operation: 83-81=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 81+83=164, Resulting Numbers: [164] 164,10 unequal: No Solution Exploring Operation: 81*83=6723, Resulting Numbers: [6723] 6723,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 10:[85, 79], Operations: ['98/49=2', '81-2=79'] Exploring Operation: 85*79=6715, Resulting Numbers: [6715] 6715,10 unequal: No Solution Exploring Operation: 85-79=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 85+79=164, Resulting Numbers: [164] 164,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 10:[81, 87], Operations: ['98/49=2', '85+2=87'] Exploring Operation: 87-81=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 81+87=168, Resulting Numbers: [168] 168,10 unequal: No Solution Exploring Operation: 81*87=7047, Resulting Numbers: [7047] 7047,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 10:[85, 83], Operations: ['98/49=2', '81+2=83'] Exploring Operation: 85-83=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 85+83=168, Resulting Numbers: [168] 168,10 unequal: No Solution Exploring Operation: 85*83=7055, Resulting Numbers: [7055] 7055,10 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:[81, 98, 36], Operations: ['85-49=36'] Exploring Operation: 81+98=179, Resulting Numbers: [36, 179] Generated Node #0,2,0: 10:[36, 179] Operation: 81+98=179 Exploring Operation: 98-36=62, Resulting Numbers: [81, 62] Generated Node #0,2,1: 10:[81, 62] Operation: 98-36=62 Exploring Operation: 98-81=17, Resulting Numbers: [36, 17] Generated Node #0,2,2: 10:[36, 17] Operation: 98-81=17 Exploring Operation: 81-36=45, Resulting Numbers: [98, 45] Generated Node #0,2,3: 10:[98, 45] Operation: 81-36=45 Exploring Operation: 81+36=117, Resulting Numbers: [98, 117] Generated Node #0,2,4: 10:[98, 117] Operation: 81+36=117 Moving to Node #0,1,1 Current State: 10:[4, 2], Operations: ['85-81=4', '98/49=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,10 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[13, 32], Operations: ['98-85=13', '81-49=32'] Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 13+32=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 13*32=416, Resulting Numbers: [416] 416,10 unequal: No Solution Moving to Node #0,2,2 Current State: 10:[36, 17], Operations: ['85-49=36', '98-81=17'] Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 36+17=53, Resulting Numbers: [53] 53,10 unequal: No Solution Exploring Operation: 36*17=612, Resulting Numbers: [612] 612,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[4, 49], Operations: ['85-81=4', '98-49=49'] Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 4*49=196, Resulting Numbers: [196] 196,10 unequal: No Solution Exploring Operation: 4+49=53, Resulting Numbers: [53] 53,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[81, 36], Operations: ['98-85=13', '49-13=36'] Exploring Operation: 81+36=117, Resulting Numbers: [117] 117,10 unequal: No Solution Exploring Operation: 81-36=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 81*36=2916, Resulting Numbers: [2916] 2916,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[49, 68], Operations: ['98-85=13', '81-13=68'] Exploring Operation: 68-49=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 49*68=3332, Resulting Numbers: [3332] 3332,10 unequal: No Solution Exploring Operation: 49+68=117, Resulting Numbers: [117] 117,10 unequal: No Solution Moving to Node #0,2,1 Current State: 10:[81, 62], Operations: ['85-49=36', '98-36=62'] Exploring Operation: 81-62=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 81*62=5022, Resulting Numbers: [5022] 5022,10 unequal: No Solution Exploring Operation: 81+62=143, Resulting Numbers: [143] 143,10 unequal: No Solution Moving to Node #0,2,3 Current State: 10:[98, 45], Operations: ['85-49=36', '81-36=45'] Exploring Operation: 98-45=53, Resulting Numbers: [53] 53,10 unequal: No Solution Exploring Operation: 98*45=4410, Resulting Numbers: [4410] 4410,10 unequal: No Solution Exploring Operation: 98+45=143, Resulting Numbers: [143] 143,10 unequal: No Solution Moving to Node #0,1,4 Current State: 10:[49, 94], Operations: ['85-81=4', '98-4=94'] Exploring Operation: 49*94=4606, Resulting Numbers: [4606] 4606,10 unequal: No Solution Exploring Operation: 94-49=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 49+94=143, Resulting Numbers: [143] 143,10 unequal: No Solution Moving to Node #0,1,3 Current State: 10:[98, 45], Operations: ['85-81=4', '49-4=45'] Exploring Operation: 98*45=4410, Resulting Numbers: [4410] 4410,10 unequal: No Solution Exploring Operation: 98-45=53, Resulting Numbers: [53] 53,10 unequal: No Solution Exploring Operation: 98+45=143, Resulting Numbers: [143] 143,10 unequal: No Solution Moving to Node #0,0,4 Current State: 10:[81, 62], Operations: ['98-85=13', '49+13=62'] Exploring Operation: 81+62=143, Resulting Numbers: [143] 143,10 unequal: No Solution Exploring Operation: 81-62=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 81*62=5022, Resulting Numbers: [5022] 5022,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[13, 130], Operations: ['98-85=13', '49+81=130'] Exploring Operation: 130-13=117, Resulting Numbers: [117] 117,10 unequal: No Solution Exploring Operation: 13+130=143, Resulting Numbers: [143] 143,10 unequal: No Solution Exploring Operation: 13*130=1690, Resulting Numbers: [1690] 1690,10 unequal: No Solution Exploring Operation: 130/13=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[85, 49, 81, 98], Operations: [] Exploring Operation: 98-85=13, Resulting Numbers: [49, 81, 13] Generated Node #0,0: 10:[49, 81, 13] Operation: 98-85=13 Moving to Node #0,0 Current State: 10:[49, 81, 13], Operations: ['98-85=13'] Exploring Operation: 49+81=130, Resulting Numbers: [13, 130] Generated Node #0,0,3: 10:[13, 130] Operation: 49+81=130 Moving to Node #0,0,3 Current State: 10:[13, 130], Operations: ['98-85=13', '49+81=130'] Exploring Operation: 130/13=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.91059
hs_5
sum_heuristic
[ 60, 10, 50, 77 ]
76
[ "60-10=50", "50/50=1", "77-1=76" ]
Current State: 76:[60, 10, 50, 77], Operations: [] Exploring Operation: 60-10=50, Resulting Numbers: [50, 77, 50] Generated Node #2: [50, 77, 50] from Operation: 60-10=50 Current State: 76:[50, 77, 50], Operations: ['60-10=50'] Exploring Operation: 50/50=1, Resulting Numbers: [77, 1] Generated Node #3: [77, 1] from Operation: 50/50=1 Current State: 76:[77, 1], Operations: ['60-10=50', '50/50=1'] Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[60, 10, 50, 77], Operations: [] Exploring Operation: 50-10=40, Resulting Numbers: [60, 77, 40] Generated Node #0,0: 76:[60, 77, 40] Operation: 50-10=40 Exploring Operation: 60/10=6, Resulting Numbers: [50, 77, 6] Generated Node #0,1: 76:[50, 77, 6] Operation: 60/10=6 Exploring Operation: 60-50=10, Resulting Numbers: [10, 77, 10] Generated Node #0,2: 76:[10, 77, 10] Operation: 60-50=10 Exploring Operation: 60+10=70, Resulting Numbers: [50, 77, 70] Generated Node #0,3: 76:[50, 77, 70] Operation: 60+10=70 Exploring Operation: 50/10=5, Resulting Numbers: [60, 77, 5] Generated Node #0,4: 76:[60, 77, 5] Operation: 50/10=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[10, 77, 10], Operations: ['60-50=10'] Exploring Operation: 77-10=67, Resulting Numbers: [10, 67] Generated Node #0,2,0: 76:[10, 67] Operation: 77-10=67 Exploring Operation: 10+10=20, Resulting Numbers: [77, 20] Generated Node #0,2,1: 76:[77, 20] Operation: 10+10=20 Exploring Operation: 10-10=0, Resulting Numbers: [77, 0] Generated Node #0,2,2: 76:[77, 0] Operation: 10-10=0 Exploring Operation: 10/10=1, Resulting Numbers: [77, 1] Generated Node #0,2,3: 76:[77, 1] Operation: 10/10=1 Exploring Operation: 77-10=67, Resulting Numbers: [10, 67] Generated Node #0,2,4: 76:[10, 67] Operation: 77-10=67 Moving to Node #0,2,1 Current State: 76:[77, 20], Operations: ['60-50=10', '10+10=20'] Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,76 unequal: No Solution Exploring Operation: 77*20=1540, Resulting Numbers: [1540] 1540,76 unequal: No Solution Exploring Operation: 77+20=97, Resulting Numbers: [97] 97,76 unequal: No Solution Moving to Node #0,2,3 Current State: 76:[77, 1], Operations: ['60-50=10', '10/10=1'] Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[60, 10, 50, 77], Operations: [] Exploring Operation: 60-50=10, Resulting Numbers: [10, 77, 10] Generated Node #0,2: 76:[10, 77, 10] Operation: 60-50=10 Moving to Node #0,2 Current State: 76:[10, 77, 10], Operations: ['60-50=10'] Exploring Operation: 10/10=1, Resulting Numbers: [77, 1] Generated Node #0,2,3: 76:[77, 1] Operation: 10/10=1 Moving to Node #0,2,3 Current State: 76:[77, 1], Operations: ['60-50=10', '10/10=1'] Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 56, 17, 22, 36 ]
100
[ "56-36=20", "22-17=5", "20*5=100" ]
Current State: 100:[56, 17, 22, 36], Operations: [] Exploring Operation: 56-36=20, Resulting Numbers: [17, 22, 20] Generated Node #2: [17, 22, 20] from Operation: 56-36=20 Current State: 100:[17, 22, 20], Operations: ['56-36=20'] Exploring Operation: 22-17=5, Resulting Numbers: [20, 5] Generated Node #3: [20, 5] from Operation: 22-17=5 Current State: 100:[20, 5], Operations: ['56-36=20', '22-17=5'] Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[56, 17, 22, 36], Operations: [] Exploring Operation: 36-17=19, Resulting Numbers: [56, 22, 19] Generated Node #0,0: 100:[56, 22, 19] Operation: 36-17=19 Exploring Operation: 56-36=20, Resulting Numbers: [17, 22, 20] Generated Node #0,1: 100:[17, 22, 20] Operation: 56-36=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[17, 22, 20], Operations: ['56-36=20'] Exploring Operation: 20-17=3, Resulting Numbers: [22, 3] Generated Node #0,1,0: 100:[22, 3] Operation: 20-17=3 Exploring Operation: 22-17=5, Resulting Numbers: [20, 5] Generated Node #0,1,1: 100:[20, 5] Operation: 22-17=5 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 100:[20, 5], Operations: ['56-36=20', '22-17=5'] Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,100 unequal: No Solution Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[56, 17, 22, 36], Operations: [] Exploring Operation: 56-36=20, Resulting Numbers: [17, 22, 20] Generated Node #0,1: 100:[17, 22, 20] Operation: 56-36=20 Moving to Node #0,1 Current State: 100:[17, 22, 20], Operations: ['56-36=20'] Exploring Operation: 22-17=5, Resulting Numbers: [20, 5] Generated Node #0,1,1: 100:[20, 5] Operation: 22-17=5 Moving to Node #0,1,1 Current State: 100:[20, 5], Operations: ['56-36=20', '22-17=5'] Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 69, 5, 46, 43 ]
100
[ "69+46=115", "5*43=215", "215-115=100" ]
Current State: 100:[69, 5, 46, 43], Operations: [] Exploring Operation: 69+46=115, Resulting Numbers: [5, 43, 115] Generated Node #2: [5, 43, 115] from Operation: 69+46=115 Current State: 100:[5, 43, 115], Operations: ['69+46=115'] Exploring Operation: 5*43=215, Resulting Numbers: [115, 215] Generated Node #3: [115, 215] from Operation: 5*43=215 Current State: 100:[115, 215], Operations: ['69+46=115', '5*43=215'] Exploring Operation: 215-115=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[69, 5, 46, 43], Operations: [] Exploring Operation: 69+43=112, Resulting Numbers: [5, 46, 112] Generated Node #0,0: 100:[5, 46, 112] Operation: 69+43=112 Exploring Operation: 69-46=23, Resulting Numbers: [5, 43, 23] Generated Node #0,1: 100:[5, 43, 23] Operation: 69-46=23 Exploring Operation: 69+46=115, Resulting Numbers: [5, 43, 115] Generated Node #0,2: 100:[5, 43, 115] Operation: 69+46=115 Exploring Operation: 46-43=3, Resulting Numbers: [69, 5, 3] Generated Node #0,3: 100:[69, 5, 3] Operation: 46-43=3 Exploring Operation: 69-43=26, Resulting Numbers: [5, 46, 26] Generated Node #0,4: 100:[5, 46, 26] Operation: 69-43=26 Start Sub Search at level 1: Moving to Node #0,4 Current State: 100:[5, 46, 26], Operations: ['69-43=26'] Exploring Operation: 5+46=51, Resulting Numbers: [26, 51] Generated Node #0,4,0: 100:[26, 51] Operation: 5+46=51 Exploring Operation: 46-26=20, Resulting Numbers: [5, 20] Generated Node #0,4,1: 100:[5, 20] Operation: 46-26=20 Exploring Operation: 26-5=21, Resulting Numbers: [46, 21] Generated Node #0,4,2: 100:[46, 21] Operation: 26-5=21 Exploring Operation: 46-5=41, Resulting Numbers: [26, 41] Generated Node #0,4,3: 100:[26, 41] Operation: 46-5=41 Exploring Operation: 5+26=31, Resulting Numbers: [46, 31] Generated Node #0,4,4: 100:[46, 31] Operation: 5+26=31 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 100:[5, 20], Operations: ['69-43=26', '46-26=20'] Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[69, 5, 46, 43], Operations: [] Exploring Operation: 69-43=26, Resulting Numbers: [5, 46, 26] Generated Node #0,4: 100:[5, 46, 26] Operation: 69-43=26 Moving to Node #0,4 Current State: 100:[5, 46, 26], Operations: ['69-43=26'] Exploring Operation: 46-26=20, Resulting Numbers: [5, 20] Generated Node #0,4,1: 100:[5, 20] Operation: 46-26=20 Moving to Node #0,4,1 Current State: 100:[5, 20], Operations: ['69-43=26', '46-26=20'] Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 74, 46, 24, 48 ]
44
[ "74-46=28", "24+48=72", "72-28=44" ]
Current State: 44:[74, 46, 24, 48], Operations: [] Exploring Operation: 74-46=28, Resulting Numbers: [24, 48, 28] Generated Node #2: [24, 48, 28] from Operation: 74-46=28 Current State: 44:[24, 48, 28], Operations: ['74-46=28'] Exploring Operation: 24+48=72, Resulting Numbers: [28, 72] Generated Node #3: [28, 72] from Operation: 24+48=72 Current State: 44:[28, 72], Operations: ['74-46=28', '24+48=72'] Exploring Operation: 72-28=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[74, 46, 24, 48], Operations: [] Exploring Operation: 74-24=50, Resulting Numbers: [46, 48, 50] Generated Node #0,0: 44:[46, 48, 50] Operation: 74-24=50 Exploring Operation: 74-46=28, Resulting Numbers: [24, 48, 28] Generated Node #0,1: 44:[24, 48, 28] Operation: 74-46=28 Exploring Operation: 74-48=26, Resulting Numbers: [46, 24, 26] Generated Node #0,2: 44:[46, 24, 26] Operation: 74-48=26 Moving to Node #0,2 Current State: 44:[46, 24, 26], Operations: ['74-48=26'] Exploring Operation: 46-26=20, Resulting Numbers: [24, 20] Generated Node #0,2,0: 44:[24, 20] Operation: 46-26=20 Exploring Operation: 46-24=22, Resulting Numbers: [26, 22] Generated Node #0,2,1: 44:[26, 22] Operation: 46-24=22 Exploring Operation: 26-24=2, Resulting Numbers: [46, 2] Generated Node #0,2,2: 44:[46, 2] Operation: 26-24=2 Moving to Node #0,0 Current State: 44:[46, 48, 50], Operations: ['74-24=50'] Exploring Operation: 50-48=2, Resulting Numbers: [46, 2] Generated Node #0,0,0: 44:[46, 2] Operation: 50-48=2 Exploring Operation: 48-46=2, Resulting Numbers: [50, 2] Generated Node #0,0,1: 44:[50, 2] Operation: 48-46=2 Exploring Operation: 50-46=4, Resulting Numbers: [48, 4] Generated Node #0,0,2: 44:[48, 4] Operation: 50-46=4 Moving to Node #0,1 Current State: 44:[24, 48, 28], Operations: ['74-46=28'] Exploring Operation: 48/24=2, Resulting Numbers: [28, 2] Generated Node #0,1,0: 44:[28, 2] Operation: 48/24=2 Exploring Operation: 28-24=4, Resulting Numbers: [48, 4] Generated Node #0,1,1: 44:[48, 4] Operation: 28-24=4 Exploring Operation: 48-28=20, Resulting Numbers: [24, 20] Generated Node #0,1,2: 44:[24, 20] Operation: 48-28=20 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 44:[48, 4], Operations: ['74-46=28', '28-24=4'] Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,44 unequal: No Solution Exploring Operation: 48+4=52, Resulting Numbers: [52] 52,44 unequal: No Solution Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[74, 46, 24, 48], Operations: [] Exploring Operation: 74-46=28, Resulting Numbers: [24, 48, 28] Generated Node #0,1: 44:[24, 48, 28] Operation: 74-46=28 Moving to Node #0,1 Current State: 44:[24, 48, 28], Operations: ['74-46=28'] Exploring Operation: 28-24=4, Resulting Numbers: [48, 4] Generated Node #0,1,1: 44:[48, 4] Operation: 28-24=4 Moving to Node #0,1,1 Current State: 44:[48, 4], Operations: ['74-46=28', '28-24=4'] Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 64, 94, 67, 36 ]
46
[ "64*67=4288", "36+4288=4324", "4324/94=46" ]
Current State: 46:[64, 94, 67, 36], Operations: [] Exploring Operation: 64*67=4288, Resulting Numbers: [94, 36, 4288] Generated Node #2: [94, 36, 4288] from Operation: 64*67=4288 Current State: 46:[94, 36, 4288], Operations: ['64*67=4288'] Exploring Operation: 36+4288=4324, Resulting Numbers: [94, 4324] Generated Node #3: [94, 4324] from Operation: 36+4288=4324 Current State: 46:[94, 4324], Operations: ['64*67=4288', '36+4288=4324'] Exploring Operation: 4324/94=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[64, 94, 67, 36], Operations: [] Exploring Operation: 94-67=27, Resulting Numbers: [64, 36, 27] Generated Node #0,0: 46:[64, 36, 27] Operation: 94-67=27 Exploring Operation: 94-64=30, Resulting Numbers: [67, 36, 30] Generated Node #0,1: 46:[67, 36, 30] Operation: 94-64=30 Exploring Operation: 94-36=58, Resulting Numbers: [64, 67, 58] Generated Node #0,2: 46:[64, 67, 58] Operation: 94-36=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[64, 36, 27], Operations: ['94-67=27'] Exploring Operation: 36-27=9, Resulting Numbers: [64, 9] Generated Node #0,0,0: 46:[64, 9] Operation: 36-27=9 Exploring Operation: 64-36=28, Resulting Numbers: [27, 28] Generated Node #0,0,1: 46:[27, 28] Operation: 64-36=28 Exploring Operation: 64-27=37, Resulting Numbers: [36, 37] Generated Node #0,0,2: 46:[36, 37] Operation: 64-27=37 Moving to Node #0,0,1 Current State: 46:[27, 28], Operations: ['94-67=27', '64-36=28'] Exploring Operation: 27+28=55, Resulting Numbers: [55] 55,46 unequal: No Solution Exploring Operation: 27*28=756, Resulting Numbers: [756] 756,46 unequal: No Solution Exploring Operation: 28-27=1, Resulting Numbers: [1] 1,46 unequal: No Solution Moving to Node #0,0,2 Current State: 46:[36, 37], Operations: ['94-67=27', '64-27=37'] Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,46 unequal: No Solution Exploring Operation: 36*37=1332, Resulting Numbers: [1332] 1332,46 unequal: No Solution Exploring Operation: 36+37=73, Resulting Numbers: [73] 73,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[64, 9], Operations: ['94-67=27', '36-27=9'] Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,46 unequal: No Solution Exploring Operation: 64*9=576, Resulting Numbers: [576] 576,46 unequal: No Solution Exploring Operation: 64+9=73, Resulting Numbers: [73] 73,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[67, 36, 30], Operations: ['94-64=30'] Exploring Operation: 36-30=6, Resulting Numbers: [67, 6] Generated Node #0,1,0: 46:[67, 6] Operation: 36-30=6 Exploring Operation: 67-30=37, Resulting Numbers: [36, 37] Generated Node #0,1,1: 46:[36, 37] Operation: 67-30=37 Exploring Operation: 67-36=31, Resulting Numbers: [30, 31] Generated Node #0,1,2: 46:[30, 31] Operation: 67-36=31 Moving to Node #0,1,2 Current State: 46:[30, 31], Operations: ['94-64=30', '67-36=31'] Exploring Operation: 30*31=930, Resulting Numbers: [930] 930,46 unequal: No Solution Exploring Operation: 30+31=61, Resulting Numbers: [61] 61,46 unequal: No Solution Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[36, 37], Operations: ['94-64=30', '67-30=37'] Exploring Operation: 36+37=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,46 unequal: No Solution Exploring Operation: 36*37=1332, Resulting Numbers: [1332] 1332,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[67, 6], Operations: ['94-64=30', '36-30=6'] Exploring Operation: 67+6=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 67*6=402, Resulting Numbers: [402] 402,46 unequal: No Solution Exploring Operation: 67-6=61, Resulting Numbers: [61] 61,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[64, 67, 58], Operations: ['94-36=58'] Exploring Operation: 64-58=6, Resulting Numbers: [67, 6] Generated Node #0,2,0: 46:[67, 6] Operation: 64-58=6 Exploring Operation: 67-58=9, Resulting Numbers: [64, 9] Generated Node #0,2,1: 46:[64, 9] Operation: 67-58=9 Exploring Operation: 67-64=3, Resulting Numbers: [58, 3] Generated Node #0,2,2: 46:[58, 3] Operation: 67-64=3 Moving to Node #0,2,2 Current State: 46:[58, 3], Operations: ['94-36=58', '67-64=3'] Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,46 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,46 unequal: No Solution Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,46 unequal: No Solution Moving to Node #0,2,0 Current State: 46:[67, 6], Operations: ['94-36=58', '64-58=6'] Exploring Operation: 67*6=402, Resulting Numbers: [402] 402,46 unequal: No Solution Exploring Operation: 67+6=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 67-6=61, Resulting Numbers: [61] 61,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[64, 9], Operations: ['94-36=58', '67-58=9'] Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,46 unequal: No Solution Exploring Operation: 64+9=73, Resulting Numbers: [73] 73,46 unequal: No Solution Exploring Operation: 64*9=576, Resulting Numbers: [576] 576,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 14, 73, 9, 82 ]
32
[ "73-14=59", "9+82=91", "91-59=32" ]
Current State: 32:[14, 73, 9, 82], Operations: [] Exploring Operation: 73-14=59, Resulting Numbers: [9, 82, 59] Generated Node #2: [9, 82, 59] from Operation: 73-14=59 Current State: 32:[9, 82, 59], Operations: ['73-14=59'] Exploring Operation: 9+82=91, Resulting Numbers: [59, 91] Generated Node #3: [59, 91] from Operation: 9+82=91 Current State: 32:[59, 91], Operations: ['73-14=59', '9+82=91'] Exploring Operation: 91-59=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[14, 73, 9, 82], Operations: [] Exploring Operation: 73-14=59, Resulting Numbers: [9, 82, 59] Generated Node #0,0: 32:[9, 82, 59] Operation: 73-14=59 Exploring Operation: 82-14=68, Resulting Numbers: [73, 9, 68] Generated Node #0,1: 32:[73, 9, 68] Operation: 82-14=68 Exploring Operation: 82-73=9, Resulting Numbers: [14, 9, 9] Generated Node #0,2: 32:[14, 9, 9] Operation: 82-73=9 Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[14, 9, 9], Operations: ['82-73=9'] Exploring Operation: 9/9=1, Resulting Numbers: [14, 1] Generated Node #0,2,0: 32:[14, 1] Operation: 9/9=1 Exploring Operation: 14-9=5, Resulting Numbers: [9, 5] Generated Node #0,2,1: 32:[9, 5] Operation: 14-9=5 Exploring Operation: 14-9=5, Resulting Numbers: [9, 5] Generated Node #0,2,2: 32:[9, 5] Operation: 14-9=5 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 32:[9, 5], Operations: ['82-73=9', '14-9=5'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,32 unequal: No Solution No 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: 32:[9, 5], Operations: ['82-73=9', '14-9=5'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,32 unequal: No Solution No 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: 32:[14, 1], Operations: ['82-73=9', '9/9=1'] Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 14+1=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,32 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: 32:[9, 82, 59], Operations: ['73-14=59'] Exploring Operation: 82-59=23, Resulting Numbers: [9, 23] Generated Node #0,0,0: 32:[9, 23] Operation: 82-59=23 Exploring Operation: 59-9=50, Resulting Numbers: [82, 50] Generated Node #0,0,1: 32:[82, 50] Operation: 59-9=50 Exploring Operation: 82-9=73, Resulting Numbers: [59, 73] Generated Node #0,0,2: 32:[59, 73] Operation: 82-9=73 Moving to Node #0,0,0 Current State: 32:[9, 23], Operations: ['73-14=59', '82-59=23'] Exploring Operation: 9*23=207, Resulting Numbers: [207] 207,32 unequal: No Solution Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 9+23=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[14, 73, 9, 82], Operations: [] Exploring Operation: 73-14=59, Resulting Numbers: [9, 82, 59] Generated Node #0,0: 32:[9, 82, 59] Operation: 73-14=59 Moving to Node #0,0 Current State: 32:[9, 82, 59], Operations: ['73-14=59'] Exploring Operation: 82-59=23, Resulting Numbers: [9, 23] Generated Node #0,0,0: 32:[9, 23] Operation: 82-59=23 Moving to Node #0,0,0 Current State: 32:[9, 23], Operations: ['73-14=59', '82-59=23'] Exploring Operation: 9+23=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
sum_heuristic
[ 78, 80, 72, 68 ]
76
[ "80-78=2", "72*2=144", "144-68=76" ]
Current State: 76:[78, 80, 72, 68], Operations: [] Exploring Operation: 80-78=2, Resulting Numbers: [72, 68, 2] Generated Node #2: [72, 68, 2] from Operation: 80-78=2 Current State: 76:[72, 68, 2], Operations: ['80-78=2'] Exploring Operation: 72*2=144, Resulting Numbers: [68, 144] Generated Node #3: [68, 144] from Operation: 72*2=144 Current State: 76:[68, 144], Operations: ['80-78=2', '72*2=144'] Exploring Operation: 144-68=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[78, 80, 72, 68], Operations: [] Exploring Operation: 72-68=4, Resulting Numbers: [78, 80, 4] Generated Node #0,0: 76:[78, 80, 4] Operation: 72-68=4 Exploring Operation: 80-78=2, Resulting Numbers: [72, 68, 2] Generated Node #0,1: 76:[72, 68, 2] Operation: 80-78=2 Exploring Operation: 80-68=12, Resulting Numbers: [78, 72, 12] Generated Node #0,2: 76:[78, 72, 12] Operation: 80-68=12 Exploring Operation: 78-68=10, Resulting Numbers: [80, 72, 10] Generated Node #0,3: 76:[80, 72, 10] Operation: 78-68=10 Exploring Operation: 78-72=6, Resulting Numbers: [80, 68, 6] Generated Node #0,4: 76:[80, 68, 6] Operation: 78-72=6 Moving to Node #0,0 Current State: 76:[78, 80, 4], Operations: ['72-68=4'] Exploring Operation: 80/4=20, Resulting Numbers: [78, 20] Generated Node #0,0,0: 76:[78, 20] Operation: 80/4=20 Exploring Operation: 78-4=74, Resulting Numbers: [80, 74] Generated Node #0,0,1: 76:[80, 74] Operation: 78-4=74 Exploring Operation: 80-4=76, Resulting Numbers: [78, 76] Generated Node #0,0,2: 76:[78, 76] Operation: 80-4=76 Exploring Operation: 78+4=82, Resulting Numbers: [80, 82] Generated Node #0,0,3: 76:[80, 82] Operation: 78+4=82 Exploring Operation: 80-78=2, Resulting Numbers: [4, 2] Generated Node #0,0,4: 76:[4, 2] Operation: 80-78=2 Moving to Node #0,1 Current State: 76:[72, 68, 2], Operations: ['80-78=2'] Exploring Operation: 68+2=70, Resulting Numbers: [72, 70] Generated Node #0,1,0: 76:[72, 70] Operation: 68+2=70 Exploring Operation: 72-68=4, Resulting Numbers: [2, 4] Generated Node #0,1,1: 76:[2, 4] Operation: 72-68=4 Exploring Operation: 72+2=74, Resulting Numbers: [68, 74] Generated Node #0,1,2: 76:[68, 74] Operation: 72+2=74 Exploring Operation: 68/2=34, Resulting Numbers: [72, 34] Generated Node #0,1,3: 76:[72, 34] Operation: 68/2=34 Exploring Operation: 72/2=36, Resulting Numbers: [68, 36] Generated Node #0,1,4: 76:[68, 36] Operation: 72/2=36 Moving to Node #0,2 Current State: 76:[78, 72, 12], Operations: ['80-68=12'] Exploring Operation: 72+12=84, Resulting Numbers: [78, 84] Generated Node #0,2,0: 76:[78, 84] Operation: 72+12=84 Exploring Operation: 78-12=66, Resulting Numbers: [72, 66] Generated Node #0,2,1: 76:[72, 66] Operation: 78-12=66 Exploring Operation: 78-72=6, Resulting Numbers: [12, 6] Generated Node #0,2,2: 76:[12, 6] Operation: 78-72=6 Exploring Operation: 78+12=90, Resulting Numbers: [72, 90] Generated Node #0,2,3: 76:[72, 90] Operation: 78+12=90 Exploring Operation: 72/12=6, Resulting Numbers: [78, 6] Generated Node #0,2,4: 76:[78, 6] Operation: 72/12=6 Moving to Node #0,3 Current State: 76:[80, 72, 10], Operations: ['78-68=10'] Exploring Operation: 80-10=70, Resulting Numbers: [72, 70] Generated Node #0,3,0: 76:[72, 70] Operation: 80-10=70 Exploring Operation: 72+10=82, Resulting Numbers: [80, 82] Generated Node #0,3,1: 76:[80, 82] Operation: 72+10=82 Exploring Operation: 80/10=8, Resulting Numbers: [72, 8] Generated Node #0,3,2: 76:[72, 8] Operation: 80/10=8 Exploring Operation: 80-72=8, Resulting Numbers: [10, 8] Generated Node #0,3,3: 76:[10, 8] Operation: 80-72=8 Exploring Operation: 80+10=90, Resulting Numbers: [72, 90] Generated Node #0,3,4: 76:[72, 90] Operation: 80+10=90 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 76:[72, 8], Operations: ['78-68=10', '80/10=8'] Exploring Operation: 72*8=576, Resulting Numbers: [576] 576,76 unequal: No Solution Exploring Operation: 72+8=80, Resulting Numbers: [80] 80,76 unequal: No Solution Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,76 unequal: No Solution Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,76 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 #0,3,0 Current State: 76:[72, 70], Operations: ['78-68=10', '80-10=70'] Exploring Operation: 72*70=5040, Resulting Numbers: [5040] 5040,76 unequal: No Solution Exploring Operation: 72+70=142, Resulting Numbers: [142] 142,76 unequal: No Solution Exploring Operation: 72-70=2, Resulting Numbers: [2] 2,76 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 #0,3,1 Current State: 76:[80, 82], Operations: ['78-68=10', '72+10=82'] Exploring Operation: 80*82=6560, Resulting Numbers: [6560] 6560,76 unequal: No Solution Exploring Operation: 80+82=162, Resulting Numbers: [162] 162,76 unequal: No Solution Exploring Operation: 82-80=2, Resulting Numbers: [2] 2,76 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 #0,3,3 Current State: 76:[10, 8], Operations: ['78-68=10', '80-72=8'] Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,76 unequal: No Solution Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,76 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,76 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 #0,3,4 Current State: 76:[72, 90], Operations: ['78-68=10', '80+10=90'] Exploring Operation: 90-72=18, Resulting Numbers: [18] 18,76 unequal: No Solution Exploring Operation: 72+90=162, Resulting Numbers: [162] 162,76 unequal: No Solution Exploring Operation: 72*90=6480, Resulting Numbers: [6480] 6480,76 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: 76:[80, 68, 6], Operations: ['78-72=6'] Exploring Operation: 80-6=74, Resulting Numbers: [68, 74] Generated Node #0,4,0: 76:[68, 74] Operation: 80-6=74 Exploring Operation: 80+6=86, Resulting Numbers: [68, 86] Generated Node #0,4,1: 76:[68, 86] Operation: 80+6=86 Exploring Operation: 80-68=12, Resulting Numbers: [6, 12] Generated Node #0,4,2: 76:[6, 12] Operation: 80-68=12 Exploring Operation: 68+6=74, Resulting Numbers: [80, 74] Generated Node #0,4,3: 76:[80, 74] Operation: 68+6=74 Exploring Operation: 68-6=62, Resulting Numbers: [80, 62] Generated Node #0,4,4: 76:[80, 62] Operation: 68-6=62 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 76:[80, 74], Operations: ['78-72=6', '68+6=74'] Exploring Operation: 80-74=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 80+74=154, Resulting Numbers: [154] 154,76 unequal: No Solution Exploring Operation: 80*74=5920, Resulting Numbers: [5920] 5920,76 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 #0,4,2 Current State: 76:[6, 12], Operations: ['78-72=6', '80-68=12'] Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,76 unequal: No Solution Exploring Operation: 6*12=72, Resulting Numbers: [72] 72,76 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,76 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 #0,4,0 Current State: 76:[68, 74], Operations: ['78-72=6', '80-6=74'] Exploring Operation: 74-68=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 68*74=5032, Resulting Numbers: [5032] 5032,76 unequal: No Solution Exploring Operation: 68+74=142, Resulting Numbers: [142] 142,76 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 #0,4,1 Current State: 76:[68, 86], Operations: ['78-72=6', '80+6=86'] Exploring Operation: 68*86=5848, Resulting Numbers: [5848] 5848,76 unequal: No Solution Exploring Operation: 68+86=154, Resulting Numbers: [154] 154,76 unequal: No Solution Exploring Operation: 86-68=18, Resulting Numbers: [18] 18,76 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 #0,4,4 Current State: 76:[80, 62], Operations: ['78-72=6', '68-6=62'] Exploring Operation: 80*62=4960, Resulting Numbers: [4960] 4960,76 unequal: No Solution Exploring Operation: 80-62=18, Resulting Numbers: [18] 18,76 unequal: No Solution Exploring Operation: 80+62=142, Resulting Numbers: [142] 142,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,4 Current State: 76:[4, 2], Operations: ['72-68=4', '80-78=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[2, 4], Operations: ['80-78=2', '72-68=4'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,76 unequal: No Solution Moving to Node #0,0,2 Current State: 76:[78, 76], Operations: ['72-68=4', '80-4=76'] Exploring Operation: 78-76=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 78+76=154, Resulting Numbers: [154] 154,76 unequal: No Solution Exploring Operation: 78*76=5928, Resulting Numbers: [5928] 5928,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[78, 20], Operations: ['72-68=4', '80/4=20'] Exploring Operation: 78*20=1560, Resulting Numbers: [1560] 1560,76 unequal: No Solution Exploring Operation: 78-20=58, Resulting Numbers: [58] 58,76 unequal: No Solution Exploring Operation: 78+20=98, Resulting Numbers: [98] 98,76 unequal: No Solution Moving to Node #0,2,4 Current State: 76:[78, 6], Operations: ['80-68=12', '72/12=6'] Exploring Operation: 78*6=468, Resulting Numbers: [468] 468,76 unequal: No Solution Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,76 unequal: No Solution Exploring Operation: 78+6=84, Resulting Numbers: [84] 84,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[80, 74], Operations: ['72-68=4', '78-4=74'] Exploring Operation: 80*74=5920, Resulting Numbers: [5920] 5920,76 unequal: No Solution Exploring Operation: 80+74=154, Resulting Numbers: [154] 154,76 unequal: No Solution Exploring Operation: 80-74=6, Resulting Numbers: [6] 6,76 unequal: No Solution Moving to Node #0,1,3 Current State: 76:[72, 34], Operations: ['80-78=2', '68/2=34'] Exploring Operation: 72-34=38, Resulting Numbers: [38] 38,76 unequal: No Solution Exploring Operation: 72*34=2448, Resulting Numbers: [2448] 2448,76 unequal: No Solution Exploring Operation: 72+34=106, Resulting Numbers: [106] 106,76 unequal: No Solution Moving to Node #0,2,2 Current State: 76:[12, 6], Operations: ['80-68=12', '78-72=6'] Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 12*6=72, Resulting Numbers: [72] 72,76 unequal: No Solution Exploring Operation: 12+6=18, Resulting Numbers: [18] 18,76 unequal: No Solution Moving to Node #0,2,0 Current State: 76:[78, 84], Operations: ['80-68=12', '72+12=84'] Exploring Operation: 78*84=6552, Resulting Numbers: [6552] 6552,76 unequal: No Solution Exploring Operation: 78+84=162, Resulting Numbers: [162] 162,76 unequal: No Solution Exploring Operation: 84-78=6, Resulting Numbers: [6] 6,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[72, 70], Operations: ['80-78=2', '68+2=70'] Exploring Operation: 72+70=142, Resulting Numbers: [142] 142,76 unequal: No Solution Exploring Operation: 72-70=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 72*70=5040, Resulting Numbers: [5040] 5040,76 unequal: No Solution Moving to Node #0,0,3 Current State: 76:[80, 82], Operations: ['72-68=4', '78+4=82'] Exploring Operation: 82-80=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 80*82=6560, Resulting Numbers: [6560] 6560,76 unequal: No Solution Exploring Operation: 80+82=162, Resulting Numbers: [162] 162,76 unequal: No Solution Moving to Node #0,1,4 Current State: 76:[68, 36], Operations: ['80-78=2', '72/2=36'] Exploring Operation: 68*36=2448, Resulting Numbers: [2448] 2448,76 unequal: No Solution Exploring Operation: 68+36=104, Resulting Numbers: [104] 104,76 unequal: No Solution Exploring Operation: 68-36=32, Resulting Numbers: [32] 32,76 unequal: No Solution Moving to Node #0,1,2 Current State: 76:[68, 74], Operations: ['80-78=2', '72+2=74'] Exploring Operation: 74-68=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 68*74=5032, Resulting Numbers: [5032] 5032,76 unequal: No Solution Exploring Operation: 68+74=142, Resulting Numbers: [142] 142,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[72, 66], Operations: ['80-68=12', '78-12=66'] Exploring Operation: 72-66=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 72*66=4752, Resulting Numbers: [4752] 4752,76 unequal: No Solution Exploring Operation: 72+66=138, Resulting Numbers: [138] 138,76 unequal: No Solution Moving to Node #0,2,3 Current State: 76:[72, 90], Operations: ['80-68=12', '78+12=90'] Exploring Operation: 90-72=18, Resulting Numbers: [18] 18,76 unequal: No Solution Exploring Operation: 72*90=6480, Resulting Numbers: [6480] 6480,76 unequal: No Solution Exploring Operation: 72+90=162, Resulting Numbers: [162] 162,76 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 7, 2, 63, 53 ]
60
[ "7+2=9", "63/9=7", "53+7=60" ]
Current State: 60:[7, 2, 63, 53], Operations: [] Exploring Operation: 7+2=9, Resulting Numbers: [63, 53, 9] Generated Node #2: [63, 53, 9] from Operation: 7+2=9 Current State: 60:[63, 53, 9], Operations: ['7+2=9'] Exploring Operation: 63/9=7, Resulting Numbers: [53, 7] Generated Node #3: [53, 7] from Operation: 63/9=7 Current State: 60:[53, 7], Operations: ['7+2=9', '63/9=7'] Exploring Operation: 53+7=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[7, 2, 63, 53], Operations: [] Exploring Operation: 63-53=10, Resulting Numbers: [7, 2, 10] Generated Node #0,0: 60:[7, 2, 10] Operation: 63-53=10 Exploring Operation: 63/7=9, Resulting Numbers: [2, 53, 9] Generated Node #0,1: 60:[2, 53, 9] Operation: 63/7=9 Exploring Operation: 7+53=60, Resulting Numbers: [2, 63, 60] Generated Node #0,2: 60:[2, 63, 60] Operation: 7+53=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[7, 2, 10], Operations: ['63-53=10'] Exploring Operation: 7-2=5, Resulting Numbers: [10, 5] Generated Node #0,0,0: 60:[10, 5] Operation: 7-2=5 Exploring Operation: 7+2=9, Resulting Numbers: [10, 9] Generated Node #0,0,1: 60:[10, 9] Operation: 7+2=9 Exploring Operation: 10-7=3, Resulting Numbers: [2, 3] Generated Node #0,0,2: 60:[2, 3] Operation: 10-7=3 Moving to Node #0,0,0 Current State: 60:[10, 5], Operations: ['63-53=10', '7-2=5'] Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,60 unequal: No Solution Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,60 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[2, 3], Operations: ['63-53=10', '10-7=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[10, 9], Operations: ['63-53=10', '7+2=9'] Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,60 unequal: No Solution Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,60 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,60 unequal: No Solution No 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: 60:[2, 63, 60], Operations: ['7+53=60'] Exploring Operation: 60/2=30, Resulting Numbers: [63, 30] Generated Node #0,2,0: 60:[63, 30] Operation: 60/2=30 Exploring Operation: 63-60=3, Resulting Numbers: [2, 3] Generated Node #0,2,1: 60:[2, 3] Operation: 63-60=3 Exploring Operation: 63-2=61, Resulting Numbers: [60, 61] Generated Node #0,2,2: 60:[60, 61] Operation: 63-2=61 Moving to Node #0,2,1 Current State: 60:[2, 3], Operations: ['7+53=60', '63-60=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,60 unequal: No Solution Moving to Node #0,2,2 Current State: 60:[60, 61], Operations: ['7+53=60', '63-2=61'] Exploring Operation: 60+61=121, Resulting Numbers: [121] 121,60 unequal: No Solution Exploring Operation: 60*61=3660, Resulting Numbers: [3660] 3660,60 unequal: No Solution Exploring Operation: 61-60=1, Resulting Numbers: [1] 1,60 unequal: No Solution Moving to Node #0,2,0 Current State: 60:[63, 30], Operations: ['7+53=60', '60/2=30'] Exploring Operation: 63*30=1890, Resulting Numbers: [1890] 1890,60 unequal: No Solution Exploring Operation: 63+30=93, Resulting Numbers: [93] 93,60 unequal: No Solution Exploring Operation: 63-30=33, Resulting Numbers: [33] 33,60 unequal: No Solution No 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: 60:[2, 53, 9], Operations: ['63/7=9'] Exploring Operation: 2+9=11, Resulting Numbers: [53, 11] Generated Node #0,1,0: 60:[53, 11] Operation: 2+9=11 Exploring Operation: 2+53=55, Resulting Numbers: [9, 55] Generated Node #0,1,1: 60:[9, 55] Operation: 2+53=55 Exploring Operation: 53+9=62, Resulting Numbers: [2, 62] Generated Node #0,1,2: 60:[2, 62] Operation: 53+9=62 Moving to Node #0,1,2 Current State: 60:[2, 62], Operations: ['63/7=9', '53+9=62'] Exploring Operation: 2+62=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,60 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[7, 2, 63, 53], Operations: [] Exploring Operation: 63/7=9, Resulting Numbers: [2, 53, 9] Generated Node #0,1: 60:[2, 53, 9] Operation: 63/7=9 Moving to Node #0,1 Current State: 60:[2, 53, 9], Operations: ['63/7=9'] Exploring Operation: 53+9=62, Resulting Numbers: [2, 62] Generated Node #0,1,2: 60:[2, 62] Operation: 53+9=62 Moving to Node #0,1,2 Current State: 60:[2, 62], Operations: ['63/7=9', '53+9=62'] Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_3
sum_heuristic
[ 51, 84, 94, 27 ]
100
[ "84-51=33", "94-27=67", "33+67=100" ]
Current State: 100:[51, 84, 94, 27], Operations: [] Exploring Operation: 84-51=33, Resulting Numbers: [94, 27, 33] Generated Node #2: [94, 27, 33] from Operation: 84-51=33 Current State: 100:[94, 27, 33], Operations: ['84-51=33'] Exploring Operation: 94-27=67, Resulting Numbers: [33, 67] Generated Node #3: [33, 67] from Operation: 94-27=67 Current State: 100:[33, 67], Operations: ['84-51=33', '94-27=67'] Exploring Operation: 33+67=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[51, 84, 94, 27], Operations: [] Exploring Operation: 94-84=10, Resulting Numbers: [51, 27, 10] Generated Node #0,0: 100:[51, 27, 10] Operation: 94-84=10 Moving to Node #0,0 Current State: 100:[51, 27, 10], Operations: ['94-84=10'] Exploring Operation: 51-27=24, Resulting Numbers: [10, 24] Generated Node #0,0,0: 100:[10, 24] Operation: 51-27=24 Moving to Node #0,0,0 Current State: 100:[10, 24], Operations: ['94-84=10', '51-27=24'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,100 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 34, 31, 52, 94 ]
23
[ "34+31=65", "94-52=42", "65-42=23" ]
Current State: 23:[34, 31, 52, 94], Operations: [] Exploring Operation: 34+31=65, Resulting Numbers: [52, 94, 65] Generated Node #2: [52, 94, 65] from Operation: 34+31=65 Current State: 23:[52, 94, 65], Operations: ['34+31=65'] Exploring Operation: 94-52=42, Resulting Numbers: [65, 42] Generated Node #3: [65, 42] from Operation: 94-52=42 Current State: 23:[65, 42], Operations: ['34+31=65', '94-52=42'] Exploring Operation: 65-42=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[34, 31, 52, 94], Operations: [] Exploring Operation: 94-52=42, Resulting Numbers: [34, 31, 42] Generated Node #0,0: 23:[34, 31, 42] Operation: 94-52=42 Moving to Node #0,0 Current State: 23:[34, 31, 42], Operations: ['94-52=42'] Exploring Operation: 42-34=8, Resulting Numbers: [31, 8] Generated Node #0,0,0: 23:[31, 8] Operation: 42-34=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[31, 8], Operations: ['94-52=42', '42-34=8'] Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[34, 31, 52, 94], Operations: [] Exploring Operation: 94-52=42, Resulting Numbers: [34, 31, 42] Generated Node #0,0: 23:[34, 31, 42] Operation: 94-52=42 Moving to Node #0,0 Current State: 23:[34, 31, 42], Operations: ['94-52=42'] Exploring Operation: 42-34=8, Resulting Numbers: [31, 8] Generated Node #0,0,0: 23:[31, 8] Operation: 42-34=8 Moving to Node #0,0,0 Current State: 23:[31, 8], Operations: ['94-52=42', '42-34=8'] Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 11, 9, 73, 99 ]
46
[ "11+9=20", "99-73=26", "20+26=46" ]
Current State: 46:[11, 9, 73, 99], Operations: [] Exploring Operation: 11+9=20, Resulting Numbers: [73, 99, 20] Generated Node #2: [73, 99, 20] from Operation: 11+9=20 Current State: 46:[73, 99, 20], Operations: ['11+9=20'] Exploring Operation: 99-73=26, Resulting Numbers: [20, 26] Generated Node #3: [20, 26] from Operation: 99-73=26 Current State: 46:[20, 26], Operations: ['11+9=20', '99-73=26'] Exploring Operation: 20+26=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[11, 9, 73, 99], Operations: [] Exploring Operation: 99-73=26, Resulting Numbers: [11, 9, 26] Generated Node #0,0: 46:[11, 9, 26] Operation: 99-73=26 Exploring Operation: 99/11=9, Resulting Numbers: [9, 73, 9] Generated Node #0,1: 46:[9, 73, 9] Operation: 99/11=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[11, 9, 26], Operations: ['99-73=26'] Exploring Operation: 11+9=20, Resulting Numbers: [26, 20] Generated Node #0,0,0: 46:[26, 20] Operation: 11+9=20 Exploring Operation: 11-9=2, Resulting Numbers: [26, 2] Generated Node #0,0,1: 46:[26, 2] Operation: 11-9=2 Moving to Node #0,0,1 Current State: 46:[26, 2], Operations: ['99-73=26', '11-9=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[26, 20], Operations: ['99-73=26', '11+9=20'] Exploring Operation: 26+20=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[11, 9, 73, 99], Operations: [] Exploring Operation: 99-73=26, Resulting Numbers: [11, 9, 26] Generated Node #0,0: 46:[11, 9, 26] Operation: 99-73=26 Moving to Node #0,0 Current State: 46:[11, 9, 26], Operations: ['99-73=26'] Exploring Operation: 11+9=20, Resulting Numbers: [26, 20] Generated Node #0,0,0: 46:[26, 20] Operation: 11+9=20 Moving to Node #0,0,0 Current State: 46:[26, 20], Operations: ['99-73=26', '11+9=20'] Exploring Operation: 26+20=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 61, 92, 30, 4 ]
32
[ "61-30=31", "4*31=124", "124-92=32" ]
Current State: 32:[61, 92, 30, 4], Operations: [] Exploring Operation: 61-30=31, Resulting Numbers: [92, 4, 31] Generated Node #2: [92, 4, 31] from Operation: 61-30=31 Current State: 32:[92, 4, 31], Operations: ['61-30=31'] Exploring Operation: 4*31=124, Resulting Numbers: [92, 124] Generated Node #3: [92, 124] from Operation: 4*31=124 Current State: 32:[92, 124], Operations: ['61-30=31', '4*31=124'] Exploring Operation: 124-92=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[61, 92, 30, 4], Operations: [] Exploring Operation: 92/4=23, Resulting Numbers: [61, 30, 23] Generated Node #0,0: 32:[61, 30, 23] Operation: 92/4=23 Exploring Operation: 92-61=31, Resulting Numbers: [30, 4, 31] Generated Node #0,1: 32:[30, 4, 31] Operation: 92-61=31 Moving to Node #0,1 Current State: 32:[30, 4, 31], Operations: ['92-61=31'] Exploring Operation: 31-30=1, Resulting Numbers: [4, 1] Generated Node #0,1,0: 32:[4, 1] Operation: 31-30=1 Exploring Operation: 30+4=34, Resulting Numbers: [31, 34] Generated Node #0,1,1: 32:[31, 34] Operation: 30+4=34 Moving to Node #0,0 Current State: 32:[61, 30, 23], Operations: ['92/4=23'] Exploring Operation: 61-23=38, Resulting Numbers: [30, 38] Generated Node #0,0,0: 32:[30, 38] Operation: 61-23=38 Exploring Operation: 61-30=31, Resulting Numbers: [23, 31] Generated Node #0,0,1: 32:[23, 31] Operation: 61-30=31 Moving to Node #0,1,0 Current State: 32:[4, 1], Operations: ['92-61=31', '31-30=1'] Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[31, 34], Operations: ['92-61=31', '30+4=34'] Exploring Operation: 31+34=65, Resulting Numbers: [65] 65,32 unequal: No Solution Exploring Operation: 34-31=3, Resulting Numbers: [3] 3,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[23, 31], Operations: ['92/4=23', '61-30=31'] Exploring Operation: 23+31=54, Resulting Numbers: [54] 54,32 unequal: No Solution Exploring Operation: 31-23=8, Resulting Numbers: [8] 8,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[30, 38], Operations: ['92/4=23', '61-23=38'] Exploring Operation: 30+38=68, Resulting Numbers: [68] 68,32 unequal: No Solution Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,32 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 37, 14, 60, 97 ]
88
[ "37+14=51", "97-60=37", "51+37=88" ]
Current State: 88:[37, 14, 60, 97], Operations: [] Exploring Operation: 37+14=51, Resulting Numbers: [60, 97, 51] Generated Node #2: [60, 97, 51] from Operation: 37+14=51 Current State: 88:[60, 97, 51], Operations: ['37+14=51'] Exploring Operation: 97-60=37, Resulting Numbers: [51, 37] Generated Node #3: [51, 37] from Operation: 97-60=37 Current State: 88:[51, 37], Operations: ['37+14=51', '97-60=37'] Exploring Operation: 51+37=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[37, 14, 60, 97], Operations: [] Exploring Operation: 60-37=23, Resulting Numbers: [14, 97, 23] Generated Node #0,0: 88:[14, 97, 23] Operation: 60-37=23 Moving to Node #0,0 Current State: 88:[14, 97, 23], Operations: ['60-37=23'] Exploring Operation: 97-14=83, Resulting Numbers: [23, 83] Generated Node #0,0,0: 88:[23, 83] Operation: 97-14=83 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[23, 83], Operations: ['60-37=23', '97-14=83'] Exploring Operation: 83-23=60, Resulting Numbers: [60] 60,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 61, 23, 20, 23 ]
41
[ "61+23=84", "20+23=43", "84-43=41" ]
Current State: 41:[61, 23, 20, 23], Operations: [] Exploring Operation: 61+23=84, Resulting Numbers: [20, 84] Generated Node #2: [20, 84] from Operation: 61+23=84 Current State: 41:[20, 84], Operations: ['61+23=84'] Exploring Operation: 20+23=43, Resulting Numbers: [84, 43] Generated Node #3: [84, 43] from Operation: 20+23=43 Current State: 41:[84, 43], Operations: ['61+23=84', '20+23=43'] Exploring Operation: 84-43=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[61, 23, 20, 23], Operations: [] Exploring Operation: 61-23=38, Resulting Numbers: [23, 20, 38] Generated Node #0,0: 41:[23, 20, 38] Operation: 61-23=38 Exploring Operation: 20+23=43, Resulting Numbers: [61, 23, 43] Generated Node #0,1: 41:[61, 23, 43] Operation: 20+23=43 Exploring Operation: 61-20=41, Resulting Numbers: [23, 23, 41] Generated Node #0,2: 41:[23, 23, 41] Operation: 61-20=41 Exploring Operation: 61-23=38, Resulting Numbers: [20, 23, 38] Generated Node #0,3: 41:[20, 23, 38] Operation: 61-23=38 Exploring Operation: 23+20=43, Resulting Numbers: [61, 23, 43] Generated Node #0,4: 41:[61, 23, 43] Operation: 23+20=43 Moving to Node #0,2 Current State: 41:[23, 23, 41], Operations: ['61-20=41'] Exploring Operation: 23+41=64, Resulting Numbers: [23, 64] Generated Node #0,2,0: 41:[23, 64] Operation: 23+41=64 Exploring Operation: 23+23=46, Resulting Numbers: [41, 46] Generated Node #0,2,1: 41:[41, 46] Operation: 23+23=46 Exploring Operation: 41-23=18, Resulting Numbers: [23, 18] Generated Node #0,2,2: 41:[23, 18] Operation: 41-23=18 Exploring Operation: 23-23=0, Resulting Numbers: [41, 0] Generated Node #0,2,3: 41:[41, 0] Operation: 23-23=0 Exploring Operation: 23/23=1, Resulting Numbers: [41, 1] Generated Node #0,2,4: 41:[41, 1] Operation: 23/23=1 Moving to Node #0,4 Current State: 41:[61, 23, 43], Operations: ['23+20=43'] Exploring Operation: 61+23=84, Resulting Numbers: [43, 84] Generated Node #0,4,0: 41:[43, 84] Operation: 61+23=84 Exploring Operation: 61-43=18, Resulting Numbers: [23, 18] Generated Node #0,4,1: 41:[23, 18] Operation: 61-43=18 Exploring Operation: 61-23=38, Resulting Numbers: [43, 38] Generated Node #0,4,2: 41:[43, 38] Operation: 61-23=38 Exploring Operation: 43-23=20, Resulting Numbers: [61, 20] Generated Node #0,4,3: 41:[61, 20] Operation: 43-23=20 Exploring Operation: 23+43=66, Resulting Numbers: [61, 66] Generated Node #0,4,4: 41:[61, 66] Operation: 23+43=66 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 41:[43, 38], Operations: ['23+20=43', '61-23=38'] Exploring Operation: 43-38=5, Resulting Numbers: [5] 5,41 unequal: No Solution Exploring Operation: 43*38=1634, Resulting Numbers: [1634] 1634,41 unequal: No Solution Exploring Operation: 43+38=81, Resulting Numbers: [81] 81,41 unequal: No Solution No 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: 41:[23, 18], Operations: ['23+20=43', '61-43=18'] Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,41 unequal: No Solution Exploring Operation: 23+18=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[61, 23, 20, 23], Operations: [] Exploring Operation: 23+20=43, Resulting Numbers: [61, 23, 43] Generated Node #0,4: 41:[61, 23, 43] Operation: 23+20=43 Moving to Node #0,4 Current State: 41:[61, 23, 43], Operations: ['23+20=43'] Exploring Operation: 61-43=18, Resulting Numbers: [23, 18] Generated Node #0,4,1: 41:[23, 18] Operation: 61-43=18 Moving to Node #0,4,1 Current State: 41:[23, 18], Operations: ['23+20=43', '61-43=18'] Exploring Operation: 23+18=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_5
sum_heuristic
[ 50, 78, 31, 15 ]
45
[ "78-50=28", "31-28=3", "15*3=45" ]
Current State: 45:[50, 78, 31, 15], Operations: [] Exploring Operation: 78-50=28, Resulting Numbers: [31, 15, 28] Generated Node #2: [31, 15, 28] from Operation: 78-50=28 Current State: 45:[31, 15, 28], Operations: ['78-50=28'] Exploring Operation: 31-28=3, Resulting Numbers: [15, 3] Generated Node #3: [15, 3] from Operation: 31-28=3 Current State: 45:[15, 3], Operations: ['78-50=28', '31-28=3'] Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[50, 78, 31, 15], Operations: [] Exploring Operation: 78-15=63, Resulting Numbers: [50, 31, 63] Generated Node #0,0: 45:[50, 31, 63] Operation: 78-15=63 Exploring Operation: 78-50=28, Resulting Numbers: [31, 15, 28] Generated Node #0,1: 45:[31, 15, 28] Operation: 78-50=28 Exploring Operation: 31+15=46, Resulting Numbers: [50, 78, 46] Generated Node #0,2: 45:[50, 78, 46] Operation: 31+15=46 Exploring Operation: 78-31=47, Resulting Numbers: [50, 15, 47] Generated Node #0,3: 45:[50, 15, 47] Operation: 78-31=47 Exploring Operation: 50-31=19, Resulting Numbers: [78, 15, 19] Generated Node #0,4: 45:[78, 15, 19] Operation: 50-31=19 Start Sub Search at level 1: Moving to Node #0,3 Current State: 45:[50, 15, 47], Operations: ['78-31=47'] Exploring Operation: 47-15=32, Resulting Numbers: [50, 32] Generated Node #0,3,0: 45:[50, 32] Operation: 47-15=32 Exploring Operation: 50-15=35, Resulting Numbers: [47, 35] Generated Node #0,3,1: 45:[47, 35] Operation: 50-15=35 Exploring Operation: 15+47=62, Resulting Numbers: [50, 62] Generated Node #0,3,2: 45:[50, 62] Operation: 15+47=62 Exploring Operation: 50+15=65, Resulting Numbers: [47, 65] Generated Node #0,3,3: 45:[47, 65] Operation: 50+15=65 Exploring Operation: 50-47=3, Resulting Numbers: [15, 3] Generated Node #0,3,4: 45:[15, 3] Operation: 50-47=3 Moving to Node #0,3,4 Current State: 45:[15, 3], Operations: ['78-31=47', '50-47=3'] Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[50, 78, 31, 15], Operations: [] Exploring Operation: 78-31=47, Resulting Numbers: [50, 15, 47] Generated Node #0,3: 45:[50, 15, 47] Operation: 78-31=47 Moving to Node #0,3 Current State: 45:[50, 15, 47], Operations: ['78-31=47'] Exploring Operation: 50-47=3, Resulting Numbers: [15, 3] Generated Node #0,3,4: 45:[15, 3] Operation: 50-47=3 Moving to Node #0,3,4 Current State: 45:[15, 3], Operations: ['78-31=47', '50-47=3'] Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 58, 1, 2, 66 ]
52
[ "58+1=59", "2*59=118", "118-66=52" ]
Current State: 52:[58, 1, 2, 66], Operations: [] Exploring Operation: 58+1=59, Resulting Numbers: [2, 66, 59] Generated Node #2: [2, 66, 59] from Operation: 58+1=59 Current State: 52:[2, 66, 59], Operations: ['58+1=59'] Exploring Operation: 2*59=118, Resulting Numbers: [66, 118] Generated Node #3: [66, 118] from Operation: 2*59=118 Current State: 52:[66, 118], Operations: ['58+1=59', '2*59=118'] Exploring Operation: 118-66=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[58, 1, 2, 66], Operations: [] Exploring Operation: 58-1=57, Resulting Numbers: [2, 66, 57] Generated Node #0,0: 52:[2, 66, 57] Operation: 58-1=57 Exploring Operation: 66-58=8, Resulting Numbers: [1, 2, 8] Generated Node #0,1: 52:[1, 2, 8] Operation: 66-58=8 Exploring Operation: 58/2=29, Resulting Numbers: [1, 66, 29] Generated Node #0,2: 52:[1, 66, 29] Operation: 58/2=29 Exploring Operation: 66/2=33, Resulting Numbers: [58, 1, 33] Generated Node #0,3: 52:[58, 1, 33] Operation: 66/2=33 Exploring Operation: 58-2=56, Resulting Numbers: [1, 66, 56] Generated Node #0,4: 52:[1, 66, 56] Operation: 58-2=56 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[1, 2, 8], Operations: ['66-58=8'] Exploring Operation: 1*2=2, Resulting Numbers: [8, 2] Generated Node #0,1,0: 52:[8, 2] Operation: 1*2=2 Exploring Operation: 8-1=7, Resulting Numbers: [2, 7] Generated Node #0,1,1: 52:[2, 7] Operation: 8-1=7 Exploring Operation: 8/2=4, Resulting Numbers: [1, 4] Generated Node #0,1,2: 52:[1, 4] Operation: 8/2=4 Exploring Operation: 2/1=2, Resulting Numbers: [8, 2] Generated Node #0,1,3: 52:[8, 2] Operation: 2/1=2 Exploring Operation: 8-2=6, Resulting Numbers: [1, 6] Generated Node #0,1,4: 52:[1, 6] Operation: 8-2=6 Moving to Node #0,1,2 Current State: 52:[1, 4], Operations: ['66-58=8', '8/2=4'] Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,52 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,52 unequal: No Solution Moving to Node #0,1,4 Current State: 52:[1, 6], Operations: ['66-58=8', '8-2=6'] Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,52 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[2, 7], Operations: ['66-58=8', '8-1=7'] Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,52 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,52 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[8, 2], Operations: ['66-58=8', '1*2=2'] Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,52 unequal: No Solution Moving to Node #0,1,3 Current State: 52:[8, 2], Operations: ['66-58=8', '2/1=2'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 52:[58, 1, 33], Operations: ['66/2=33'] Exploring Operation: 58-33=25, Resulting Numbers: [1, 25] Generated Node #0,3,0: 52:[1, 25] Operation: 58-33=25 Exploring Operation: 33-1=32, Resulting Numbers: [58, 32] Generated Node #0,3,1: 52:[58, 32] Operation: 33-1=32 Exploring Operation: 58-1=57, Resulting Numbers: [33, 57] Generated Node #0,3,2: 52:[33, 57] Operation: 58-1=57 Exploring Operation: 58*1=58, Resulting Numbers: [33, 58] Generated Node #0,3,3: 52:[33, 58] Operation: 58*1=58 Exploring Operation: 58/1=58, Resulting Numbers: [33, 58] Generated Node #0,3,4: 52:[33, 58] Operation: 58/1=58 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 52:[1, 25], Operations: ['66/2=33', '58-33=25'] Exploring Operation: 1+25=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 1*25=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 52:[58, 32], Operations: ['66/2=33', '33-1=32'] Exploring Operation: 58+32=90, Resulting Numbers: [90] 90,52 unequal: No Solution Exploring Operation: 58-32=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 58*32=1856, Resulting Numbers: [1856] 1856,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 52:[33, 57], Operations: ['66/2=33', '58-1=57'] Exploring Operation: 33+57=90, Resulting Numbers: [90] 90,52 unequal: No Solution Exploring Operation: 57-33=24, Resulting Numbers: [24] 24,52 unequal: No Solution Exploring Operation: 33*57=1881, Resulting Numbers: [1881] 1881,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 52:[33, 58], Operations: ['66/2=33', '58*1=58'] Exploring Operation: 33+58=91, Resulting Numbers: [91] 91,52 unequal: No Solution Exploring Operation: 33*58=1914, Resulting Numbers: [1914] 1914,52 unequal: No Solution Exploring Operation: 58-33=25, Resulting Numbers: [25] 25,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 52:[33, 58], Operations: ['66/2=33', '58/1=58'] Exploring Operation: 33*58=1914, Resulting Numbers: [1914] 1914,52 unequal: No Solution Exploring Operation: 33+58=91, Resulting Numbers: [91] 91,52 unequal: No Solution Exploring Operation: 58-33=25, Resulting Numbers: [25] 25,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[1, 66, 29], Operations: ['58/2=29'] Exploring Operation: 29-1=28, Resulting Numbers: [66, 28] Generated Node #0,2,0: 52:[66, 28] Operation: 29-1=28 Exploring Operation: 66-29=37, Resulting Numbers: [1, 37] Generated Node #0,2,1: 52:[1, 37] Operation: 66-29=37 Exploring Operation: 66-1=65, Resulting Numbers: [29, 65] Generated Node #0,2,2: 52:[29, 65] Operation: 66-1=65 Exploring Operation: 66/1=66, Resulting Numbers: [29, 66] Generated Node #0,2,3: 52:[29, 66] Operation: 66/1=66 Exploring Operation: 1*66=66, Resulting Numbers: [29, 66] Generated Node #0,2,4: 52:[29, 66] Operation: 1*66=66 Moving to Node #0,2,1 Current State: 52:[1, 37], Operations: ['58/2=29', '66-29=37'] Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 1+37=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,52 unequal: No Solution Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[29, 65], Operations: ['58/2=29', '66-1=65'] Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,52 unequal: No Solution Exploring Operation: 29*65=1885, Resulting Numbers: [1885] 1885,52 unequal: No Solution Exploring Operation: 29+65=94, Resulting Numbers: [94] 94,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[66, 28], Operations: ['58/2=29', '29-1=28'] Exploring Operation: 66*28=1848, Resulting Numbers: [1848] 1848,52 unequal: No Solution Exploring Operation: 66+28=94, Resulting Numbers: [94] 94,52 unequal: No Solution Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,52 unequal: No Solution Moving to Node #0,2,3 Current State: 52:[29, 66], Operations: ['58/2=29', '66/1=66'] Exploring Operation: 29*66=1914, Resulting Numbers: [1914] 1914,52 unequal: No Solution Exploring Operation: 29+66=95, Resulting Numbers: [95] 95,52 unequal: No Solution Exploring Operation: 66-29=37, Resulting Numbers: [37] 37,52 unequal: No Solution Moving to Node #0,2,4 Current State: 52:[29, 66], Operations: ['58/2=29', '1*66=66'] Exploring Operation: 29*66=1914, Resulting Numbers: [1914] 1914,52 unequal: No Solution Exploring Operation: 66-29=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 29+66=95, Resulting Numbers: [95] 95,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[2, 66, 57], Operations: ['58-1=57'] Exploring Operation: 2+66=68, Resulting Numbers: [57, 68] Generated Node #0,0,0: 52:[57, 68] Operation: 2+66=68 Exploring Operation: 66-2=64, Resulting Numbers: [57, 64] Generated Node #0,0,1: 52:[57, 64] Operation: 66-2=64 Exploring Operation: 66-57=9, Resulting Numbers: [2, 9] Generated Node #0,0,2: 52:[2, 9] Operation: 66-57=9 Exploring Operation: 66/2=33, Resulting Numbers: [57, 33] Generated Node #0,0,3: 52:[57, 33] Operation: 66/2=33 Exploring Operation: 57-2=55, Resulting Numbers: [66, 55] Generated Node #0,0,4: 52:[66, 55] Operation: 57-2=55 Moving to Node #0,0,2 Current State: 52:[2, 9], Operations: ['58-1=57', '66-57=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,52 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,52 unequal: No Solution Moving to Node #0,0,3 Current State: 52:[57, 33], Operations: ['58-1=57', '66/2=33'] Exploring Operation: 57+33=90, Resulting Numbers: [90] 90,52 unequal: No Solution Exploring Operation: 57-33=24, Resulting Numbers: [24] 24,52 unequal: No Solution Exploring Operation: 57*33=1881, Resulting Numbers: [1881] 1881,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[57, 64], Operations: ['58-1=57', '66-2=64'] Exploring Operation: 57*64=3648, Resulting Numbers: [3648] 3648,52 unequal: No Solution Exploring Operation: 57+64=121, Resulting Numbers: [121] 121,52 unequal: No Solution Exploring Operation: 64-57=7, Resulting Numbers: [7] 7,52 unequal: No Solution Moving to Node #0,0,4 Current State: 52:[66, 55], Operations: ['58-1=57', '57-2=55'] Exploring Operation: 66*55=3630, Resulting Numbers: [3630] 3630,52 unequal: No Solution Exploring Operation: 66+55=121, Resulting Numbers: [121] 121,52 unequal: No Solution Exploring Operation: 66-55=11, Resulting Numbers: [11] 11,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[57, 68], Operations: ['58-1=57', '2+66=68'] Exploring Operation: 57+68=125, Resulting Numbers: [125] 125,52 unequal: No Solution Exploring Operation: 68-57=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 57*68=3876, Resulting Numbers: [3876] 3876,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 52:[1, 66, 56], Operations: ['58-2=56'] Exploring Operation: 56-1=55, Resulting Numbers: [66, 55] Generated Node #0,4,0: 52:[66, 55] Operation: 56-1=55 Exploring Operation: 66/1=66, Resulting Numbers: [56, 66] Generated Node #0,4,1: 52:[56, 66] Operation: 66/1=66 Exploring Operation: 1*66=66, Resulting Numbers: [56, 66] Generated Node #0,4,2: 52:[56, 66] Operation: 1*66=66 Exploring Operation: 66-56=10, Resulting Numbers: [1, 10] Generated Node #0,4,3: 52:[1, 10] Operation: 66-56=10 Exploring Operation: 66-1=65, Resulting Numbers: [56, 65] Generated Node #0,4,4: 52:[56, 65] Operation: 66-1=65 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 52:[1, 10], Operations: ['58-2=56', '66-56=10'] Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,52 unequal: No Solution Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,52 unequal: No Solution Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 52:[66, 55], Operations: ['58-2=56', '56-1=55'] Exploring Operation: 66+55=121, Resulting Numbers: [121] 121,52 unequal: No Solution Exploring Operation: 66-55=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 66*55=3630, Resulting Numbers: [3630] 3630,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 52:[56, 65], Operations: ['58-2=56', '66-1=65'] Exploring Operation: 56+65=121, Resulting Numbers: [121] 121,52 unequal: No Solution Exploring Operation: 65-56=9, Resulting Numbers: [9] 9,52 unequal: No Solution Exploring Operation: 56*65=3640, Resulting Numbers: [3640] 3640,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 52:[56, 66], Operations: ['58-2=56', '66/1=66'] Exploring Operation: 56+66=122, Resulting Numbers: [122] 122,52 unequal: No Solution Exploring Operation: 66-56=10, Resulting Numbers: [10] 10,52 unequal: No Solution Exploring Operation: 56*66=3696, Resulting Numbers: [3696] 3696,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 52:[56, 66], Operations: ['58-2=56', '1*66=66'] Exploring Operation: 66-56=10, Resulting Numbers: [10] 10,52 unequal: No Solution Exploring Operation: 56+66=122, Resulting Numbers: [122] 122,52 unequal: No Solution Exploring Operation: 56*66=3696, Resulting Numbers: [3696] 3696,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 5, 13, 7, 65 ]
80
[ "13-5=8", "7+65=72", "8+72=80" ]
Current State: 80:[5, 13, 7, 65], Operations: [] Exploring Operation: 13-5=8, Resulting Numbers: [7, 65, 8] Generated Node #2: [7, 65, 8] from Operation: 13-5=8 Current State: 80:[7, 65, 8], Operations: ['13-5=8'] Exploring Operation: 7+65=72, Resulting Numbers: [8, 72] Generated Node #3: [8, 72] from Operation: 7+65=72 Current State: 80:[8, 72], Operations: ['13-5=8', '7+65=72'] Exploring Operation: 8+72=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[5, 13, 7, 65], Operations: [] Exploring Operation: 65/5=13, Resulting Numbers: [13, 7, 13] Generated Node #0,0: 80:[13, 7, 13] Operation: 65/5=13 Exploring Operation: 13+65=78, Resulting Numbers: [5, 7, 78] Generated Node #0,1: 80:[5, 7, 78] Operation: 13+65=78 Exploring Operation: 7+65=72, Resulting Numbers: [5, 13, 72] Generated Node #0,2: 80:[5, 13, 72] Operation: 7+65=72 Exploring Operation: 65/13=5, Resulting Numbers: [5, 7, 5] Generated Node #0,3: 80:[5, 7, 5] Operation: 65/13=5 Start Sub Search at level 1: Moving to Node #0,3 Current State: 80:[5, 7, 5], Operations: ['65/13=5'] Exploring Operation: 7-5=2, Resulting Numbers: [5, 2] Generated Node #0,3,0: 80:[5, 2] Operation: 7-5=2 Exploring Operation: 7-5=2, Resulting Numbers: [5, 2] Generated Node #0,3,1: 80:[5, 2] Operation: 7-5=2 Exploring Operation: 5+7=12, Resulting Numbers: [5, 12] Generated Node #0,3,2: 80:[5, 12] Operation: 5+7=12 Exploring Operation: 5+5=10, Resulting Numbers: [7, 10] Generated Node #0,3,3: 80:[7, 10] Operation: 5+5=10 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 80:[5, 2], Operations: ['65/13=5', '7-5=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,80 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,80 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 80:[5, 2], Operations: ['65/13=5', '7-5=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,80 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,80 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 80:[7, 10], Operations: ['65/13=5', '5+5=10'] Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,80 unequal: No Solution Exploring Operation: 7+10=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 80:[5, 12], Operations: ['65/13=5', '5+7=12'] Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,80 unequal: No Solution Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[5, 7, 78], Operations: ['13+65=78'] Exploring Operation: 7+78=85, Resulting Numbers: [5, 85] Generated Node #0,1,0: 80:[5, 85] Operation: 7+78=85 Exploring Operation: 5+78=83, Resulting Numbers: [7, 83] Generated Node #0,1,1: 80:[7, 83] Operation: 5+78=83 Exploring Operation: 5+7=12, Resulting Numbers: [78, 12] Generated Node #0,1,2: 80:[78, 12] Operation: 5+7=12 Exploring Operation: 7-5=2, Resulting Numbers: [78, 2] Generated Node #0,1,3: 80:[78, 2] Operation: 7-5=2 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 80:[78, 2], Operations: ['13+65=78', '7-5=2'] Exploring Operation: 78*2=156, Resulting Numbers: [156] 156,80 unequal: No Solution Exploring Operation: 78+2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[5, 13, 7, 65], Operations: [] Exploring Operation: 13+65=78, Resulting Numbers: [5, 7, 78] Generated Node #0,1: 80:[5, 7, 78] Operation: 13+65=78 Moving to Node #0,1 Current State: 80:[5, 7, 78], Operations: ['13+65=78'] Exploring Operation: 7-5=2, Resulting Numbers: [78, 2] Generated Node #0,1,3: 80:[78, 2] Operation: 7-5=2 Moving to Node #0,1,3 Current State: 80:[78, 2], Operations: ['13+65=78', '7-5=2'] Exploring Operation: 78+2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_4
sum_heuristic
[ 21, 40, 42, 38 ]
55
[ "42-40=2", "38*2=76", "76-21=55" ]
Current State: 55:[21, 40, 42, 38], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [21, 38, 2] Generated Node #2: [21, 38, 2] from Operation: 42-40=2 Current State: 55:[21, 38, 2], Operations: ['42-40=2'] Exploring Operation: 38*2=76, Resulting Numbers: [21, 76] Generated Node #3: [21, 76] from Operation: 38*2=76 Current State: 55:[21, 76], Operations: ['42-40=2', '38*2=76'] Exploring Operation: 76-21=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[21, 40, 42, 38], Operations: [] Exploring Operation: 40-38=2, Resulting Numbers: [21, 42, 2] Generated Node #0,0: 55:[21, 42, 2] Operation: 40-38=2 Moving to Node #0,0 Current State: 55:[21, 42, 2], Operations: ['40-38=2'] Exploring Operation: 42/21=2, Resulting Numbers: [2, 2] Generated Node #0,0,0: 55:[2, 2] Operation: 42/21=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 55:[2, 2], Operations: ['40-38=2', '42/21=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 42, 72, 82, 58 ]
90
[ "42+72=114", "82-58=24", "114-24=90" ]
Current State: 90:[42, 72, 82, 58], Operations: [] Exploring Operation: 42+72=114, Resulting Numbers: [82, 58, 114] Generated Node #2: [82, 58, 114] from Operation: 42+72=114 Current State: 90:[82, 58, 114], Operations: ['42+72=114'] Exploring Operation: 82-58=24, Resulting Numbers: [114, 24] Generated Node #3: [114, 24] from Operation: 82-58=24 Current State: 90:[114, 24], Operations: ['42+72=114', '82-58=24'] Exploring Operation: 114-24=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[42, 72, 82, 58], Operations: [] Exploring Operation: 58-42=16, Resulting Numbers: [72, 82, 16] Generated Node #0,0: 90:[72, 82, 16] Operation: 58-42=16 Exploring Operation: 82-72=10, Resulting Numbers: [42, 58, 10] Generated Node #0,1: 90:[42, 58, 10] Operation: 82-72=10 Exploring Operation: 72-42=30, Resulting Numbers: [82, 58, 30] Generated Node #0,2: 90:[82, 58, 30] Operation: 72-42=30 Exploring Operation: 72-58=14, Resulting Numbers: [42, 82, 14] Generated Node #0,3: 90:[42, 82, 14] Operation: 72-58=14 Exploring Operation: 82-58=24, Resulting Numbers: [42, 72, 24] Generated Node #0,4: 90:[42, 72, 24] Operation: 82-58=24 Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[42, 82, 14], Operations: ['72-58=14'] Exploring Operation: 42+14=56, Resulting Numbers: [82, 56] Generated Node #0,3,0: 90:[82, 56] Operation: 42+14=56 Exploring Operation: 82-42=40, Resulting Numbers: [14, 40] Generated Node #0,3,1: 90:[14, 40] Operation: 82-42=40 Exploring Operation: 82+14=96, Resulting Numbers: [42, 96] Generated Node #0,3,2: 90:[42, 96] Operation: 82+14=96 Exploring Operation: 42-14=28, Resulting Numbers: [82, 28] Generated Node #0,3,3: 90:[82, 28] Operation: 42-14=28 Exploring Operation: 42/14=3, Resulting Numbers: [82, 3] Generated Node #0,3,4: 90:[82, 3] Operation: 42/14=3 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 90:[14, 40], Operations: ['72-58=14', '82-42=40'] Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,90 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,90 unequal: No Solution Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,90 unequal: No Solution No 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: 90:[82, 3], Operations: ['72-58=14', '42/14=3'] Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,90 unequal: No Solution Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,90 unequal: No Solution Exploring Operation: 82*3=246, Resulting Numbers: [246] 246,90 unequal: No Solution No 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: 90:[42, 96], Operations: ['72-58=14', '82+14=96'] Exploring Operation: 42*96=4032, Resulting Numbers: [4032] 4032,90 unequal: No Solution Exploring Operation: 96-42=54, Resulting Numbers: [54] 54,90 unequal: No Solution Exploring Operation: 42+96=138, Resulting Numbers: [138] 138,90 unequal: No Solution No 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: 90:[82, 28], Operations: ['72-58=14', '42-14=28'] Exploring Operation: 82+28=110, Resulting Numbers: [110] 110,90 unequal: No Solution Exploring Operation: 82*28=2296, Resulting Numbers: [2296] 2296,90 unequal: No Solution Exploring Operation: 82-28=54, Resulting Numbers: [54] 54,90 unequal: No Solution No 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: 90:[82, 56], Operations: ['72-58=14', '42+14=56'] Exploring Operation: 82-56=26, Resulting Numbers: [26] 26,90 unequal: No Solution Exploring Operation: 82+56=138, Resulting Numbers: [138] 138,90 unequal: No Solution Exploring Operation: 82*56=4592, Resulting Numbers: [4592] 4592,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[42, 58, 10], Operations: ['82-72=10'] Exploring Operation: 58-42=16, Resulting Numbers: [10, 16] Generated Node #0,1,0: 90:[10, 16] Operation: 58-42=16 Exploring Operation: 42+58=100, Resulting Numbers: [10, 100] Generated Node #0,1,1: 90:[10, 100] Operation: 42+58=100 Exploring Operation: 42-10=32, Resulting Numbers: [58, 32] Generated Node #0,1,2: 90:[58, 32] Operation: 42-10=32 Exploring Operation: 42+10=52, Resulting Numbers: [58, 52] Generated Node #0,1,3: 90:[58, 52] Operation: 42+10=52 Exploring Operation: 58-10=48, Resulting Numbers: [42, 48] Generated Node #0,1,4: 90:[42, 48] Operation: 58-10=48 Moving to Node #0,1,0 Current State: 90:[10, 16], Operations: ['82-72=10', '58-42=16'] Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,90 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,90 unequal: No Solution Moving to Node #0,1,4 Current State: 90:[42, 48], Operations: ['82-72=10', '58-10=48'] Exploring Operation: 42+48=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[42, 72, 82, 58], Operations: [] Exploring Operation: 82-72=10, Resulting Numbers: [42, 58, 10] Generated Node #0,1: 90:[42, 58, 10] Operation: 82-72=10 Moving to Node #0,1 Current State: 90:[42, 58, 10], Operations: ['82-72=10'] Exploring Operation: 58-10=48, Resulting Numbers: [42, 48] Generated Node #0,1,4: 90:[42, 48] Operation: 58-10=48 Moving to Node #0,1,4 Current State: 90:[42, 48], Operations: ['82-72=10', '58-10=48'] Exploring Operation: 42+48=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 5, 33, 52, 12 ]
35
[ "52-33=19", "19-12=7", "5*7=35" ]
Current State: 35:[5, 33, 52, 12], Operations: [] Exploring Operation: 52-33=19, Resulting Numbers: [5, 12, 19] Generated Node #2: [5, 12, 19] from Operation: 52-33=19 Current State: 35:[5, 12, 19], Operations: ['52-33=19'] Exploring Operation: 19-12=7, Resulting Numbers: [5, 7] Generated Node #3: [5, 7] from Operation: 19-12=7 Current State: 35:[5, 7], Operations: ['52-33=19', '19-12=7'] Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[5, 33, 52, 12], Operations: [] Exploring Operation: 52-33=19, Resulting Numbers: [5, 12, 19] Generated Node #0,0: 35:[5, 12, 19] Operation: 52-33=19 Exploring Operation: 52-5=47, Resulting Numbers: [33, 12, 47] Generated Node #0,1: 35:[33, 12, 47] Operation: 52-5=47 Exploring Operation: 52-12=40, Resulting Numbers: [5, 33, 40] Generated Node #0,2: 35:[5, 33, 40] Operation: 52-12=40 Moving to Node #0,2 Current State: 35:[5, 33, 40], Operations: ['52-12=40'] Exploring Operation: 40-5=35, Resulting Numbers: [33, 35] Generated Node #0,2,0: 35:[33, 35] Operation: 40-5=35 Exploring Operation: 40/5=8, Resulting Numbers: [33, 8] Generated Node #0,2,1: 35:[33, 8] Operation: 40/5=8 Exploring Operation: 40-33=7, Resulting Numbers: [5, 7] Generated Node #0,2,2: 35:[5, 7] Operation: 40-33=7 Moving to Node #0,0 Current State: 35:[5, 12, 19], Operations: ['52-33=19'] Exploring Operation: 12+19=31, Resulting Numbers: [5, 31] Generated Node #0,0,0: 35:[5, 31] Operation: 12+19=31 Exploring Operation: 19-12=7, Resulting Numbers: [5, 7] Generated Node #0,0,1: 35:[5, 7] Operation: 19-12=7 Exploring Operation: 12-5=7, Resulting Numbers: [19, 7] Generated Node #0,0,2: 35:[19, 7] Operation: 12-5=7 Moving to Node #0,1 Current State: 35:[33, 12, 47], Operations: ['52-5=47'] Exploring Operation: 33+12=45, Resulting Numbers: [47, 45] Generated Node #0,1,0: 35:[47, 45] Operation: 33+12=45 Exploring Operation: 47-12=35, Resulting Numbers: [33, 35] Generated Node #0,1,1: 35:[33, 35] Operation: 47-12=35 Exploring Operation: 47-33=14, Resulting Numbers: [12, 14] Generated Node #0,1,2: 35:[12, 14] Operation: 47-33=14 Moving to Node #0,2,2 Current State: 35:[5, 7], Operations: ['52-12=40', '40-33=7'] Exploring Operation: 5+7=12, Resulting Numbers: [12] 12,35 unequal: No Solution Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[5, 33, 52, 12], Operations: [] Exploring Operation: 52-12=40, Resulting Numbers: [5, 33, 40] Generated Node #0,2: 35:[5, 33, 40] Operation: 52-12=40 Moving to Node #0,2 Current State: 35:[5, 33, 40], Operations: ['52-12=40'] Exploring Operation: 40-33=7, Resulting Numbers: [5, 7] Generated Node #0,2,2: 35:[5, 7] Operation: 40-33=7 Moving to Node #0,2,2 Current State: 35:[5, 7], Operations: ['52-12=40', '40-33=7'] Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
0.984375
hs_3
sum_heuristic
[ 12, 17, 6, 12 ]
41
[ "12/6=2", "12*2=24", "17+24=41" ]
Current State: 41:[12, 17, 6, 12], Operations: [] Exploring Operation: 12/6=2, Resulting Numbers: [17, 2] Generated Node #2: [17, 2] from Operation: 12/6=2 Current State: 41:[17, 2], Operations: ['12/6=2'] Exploring Operation: 12*2=24, Resulting Numbers: [17, 24] Generated Node #3: [17, 24] from Operation: 12*2=24 Current State: 41:[17, 24], Operations: ['12/6=2', '12*2=24'] Exploring Operation: 17+24=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[12, 17, 6, 12], Operations: [] Exploring Operation: 12+6=18, Resulting Numbers: [17, 12, 18] Generated Node #0,0: 41:[17, 12, 18] Operation: 12+6=18 Exploring Operation: 12+12=24, Resulting Numbers: [17, 6, 24] Generated Node #0,1: 41:[17, 6, 24] Operation: 12+12=24 Exploring Operation: 12+17=29, Resulting Numbers: [6, 12, 29] Generated Node #0,2: 41:[6, 12, 29] Operation: 12+17=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[17, 12, 18], Operations: ['12+6=18'] Exploring Operation: 17+12=29, Resulting Numbers: [18, 29] Generated Node #0,0,0: 41:[18, 29] Operation: 17+12=29 Exploring Operation: 12+18=30, Resulting Numbers: [17, 30] Generated Node #0,0,1: 41:[17, 30] Operation: 12+18=30 Exploring Operation: 17+18=35, Resulting Numbers: [12, 35] Generated Node #0,0,2: 41:[12, 35] Operation: 17+18=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[18, 29], Operations: ['12+6=18', '17+12=29'] Exploring Operation: 18+29=47, Resulting Numbers: [47] 47,41 unequal: No Solution Exploring Operation: 18*29=522, Resulting Numbers: [522] 522,41 unequal: No Solution Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 41:[17, 30], Operations: ['12+6=18', '12+18=30'] Exploring Operation: 17+30=47, Resulting Numbers: [47] 47,41 unequal: No Solution Exploring Operation: 30-17=13, Resulting Numbers: [13] 13,41 unequal: No Solution Exploring Operation: 17*30=510, Resulting Numbers: [510] 510,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 41:[12, 35], Operations: ['12+6=18', '17+18=35'] Exploring Operation: 12*35=420, Resulting Numbers: [420] 420,41 unequal: No Solution Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,41 unequal: No Solution Exploring Operation: 12+35=47, Resulting Numbers: [47] 47,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[17, 6, 24], Operations: ['12+12=24'] Exploring Operation: 17+6=23, Resulting Numbers: [24, 23] Generated Node #0,1,0: 41:[24, 23] Operation: 17+6=23 Exploring Operation: 6+24=30, Resulting Numbers: [17, 30] Generated Node #0,1,1: 41:[17, 30] Operation: 6+24=30 Exploring Operation: 17+24=41, Resulting Numbers: [6, 41] Generated Node #0,1,2: 41:[6, 41] Operation: 17+24=41 Moving to Node #0,1,0 Current State: 41:[24, 23], Operations: ['12+12=24', '17+6=23'] Exploring Operation: 24*23=552, Resulting Numbers: [552] 552,41 unequal: No Solution Exploring Operation: 24-23=1, Resulting Numbers: [1] 1,41 unequal: No Solution Exploring Operation: 24+23=47, Resulting Numbers: [47] 47,41 unequal: No Solution Moving to Node #0,1,1 Current State: 41:[17, 30], Operations: ['12+12=24', '6+24=30'] Exploring Operation: 17*30=510, Resulting Numbers: [510] 510,41 unequal: No Solution Exploring Operation: 30-17=13, Resulting Numbers: [13] 13,41 unequal: No Solution Exploring Operation: 17+30=47, Resulting Numbers: [47] 47,41 unequal: No Solution Moving to Node #0,1,2 Current State: 41:[6, 41], Operations: ['12+12=24', '17+24=41'] Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,41 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,41 unequal: No Solution Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,41 unequal: No Solution No 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: 41:[6, 12, 29], Operations: ['12+17=29'] Exploring Operation: 6+29=35, Resulting Numbers: [12, 35] Generated Node #0,2,0: 41:[12, 35] Operation: 6+29=35 Exploring Operation: 6+12=18, Resulting Numbers: [29, 18] Generated Node #0,2,1: 41:[29, 18] Operation: 6+12=18 Exploring Operation: 12+29=41, Resulting Numbers: [6, 41] Generated Node #0,2,2: 41:[6, 41] Operation: 12+29=41 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 41:[12, 35], Operations: ['12+17=29', '6+29=35'] Exploring Operation: 12+35=47, Resulting Numbers: [47] 47,41 unequal: No Solution Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,41 unequal: No Solution Exploring Operation: 12*35=420, Resulting Numbers: [420] 420,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 41:[29, 18], Operations: ['12+17=29', '6+12=18'] Exploring Operation: 29+18=47, Resulting Numbers: [47] 47,41 unequal: No Solution Exploring Operation: 29*18=522, Resulting Numbers: [522] 522,41 unequal: No Solution Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 41:[6, 41], Operations: ['12+17=29', '12+29=41'] Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,41 unequal: No Solution Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,41 unequal: No Solution Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 7, 34, 21, 89 ]
41
[ "34-7=27", "89-21=68", "68-27=41" ]
Current State: 41:[7, 34, 21, 89], Operations: [] Exploring Operation: 34-7=27, Resulting Numbers: [21, 89, 27] Generated Node #2: [21, 89, 27] from Operation: 34-7=27 Current State: 41:[21, 89, 27], Operations: ['34-7=27'] Exploring Operation: 89-21=68, Resulting Numbers: [27, 68] Generated Node #3: [27, 68] from Operation: 89-21=68 Current State: 41:[27, 68], Operations: ['34-7=27', '89-21=68'] Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[7, 34, 21, 89], Operations: [] Exploring Operation: 7+34=41, Resulting Numbers: [21, 89, 41] Generated Node #0,0: 41:[21, 89, 41] Operation: 7+34=41 Exploring Operation: 7+21=28, Resulting Numbers: [34, 89, 28] Generated Node #0,1: 41:[34, 89, 28] Operation: 7+21=28 Moving to Node #0,0 Current State: 41:[21, 89, 41], Operations: ['7+34=41'] Exploring Operation: 89-41=48, Resulting Numbers: [21, 48] Generated Node #0,0,0: 41:[21, 48] Operation: 89-41=48 Exploring Operation: 89-21=68, Resulting Numbers: [41, 68] Generated Node #0,0,1: 41:[41, 68] Operation: 89-21=68 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[21, 48], Operations: ['7+34=41', '89-41=48'] Exploring Operation: 21+48=69, Resulting Numbers: [69] 69,41 unequal: No Solution Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,41 unequal: No Solution No 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: 41:[41, 68], Operations: ['7+34=41', '89-21=68'] Exploring Operation: 68-41=27, Resulting Numbers: [27] 27,41 unequal: No Solution Exploring Operation: 41+68=109, Resulting Numbers: [109] 109,41 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: 41:[34, 89, 28], Operations: ['7+21=28'] Exploring Operation: 89-34=55, Resulting Numbers: [28, 55] Generated Node #0,1,0: 41:[28, 55] Operation: 89-34=55 Exploring Operation: 89-28=61, Resulting Numbers: [34, 61] Generated Node #0,1,1: 41:[34, 61] Operation: 89-28=61 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[28, 55], Operations: ['7+21=28', '89-34=55'] Exploring Operation: 28+55=83, Resulting Numbers: [83] 83,41 unequal: No Solution Exploring Operation: 55-28=27, Resulting Numbers: [27] 27,41 unequal: No Solution No 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: 41:[34, 61], Operations: ['7+21=28', '89-28=61'] Exploring Operation: 34+61=95, Resulting Numbers: [95] 95,41 unequal: No Solution Exploring Operation: 61-34=27, Resulting Numbers: [27] 27,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 55, 77, 63, 25 ]
70
[ "55*63=3465", "3465/77=45", "25+45=70" ]
Current State: 70:[55, 77, 63, 25], Operations: [] Exploring Operation: 55*63=3465, Resulting Numbers: [77, 25, 3465] Generated Node #2: [77, 25, 3465] from Operation: 55*63=3465 Current State: 70:[77, 25, 3465], Operations: ['55*63=3465'] Exploring Operation: 3465/77=45, Resulting Numbers: [25, 45] Generated Node #3: [25, 45] from Operation: 3465/77=45 Current State: 70:[25, 45], Operations: ['55*63=3465', '3465/77=45'] Exploring Operation: 25+45=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[55, 77, 63, 25], Operations: [] Exploring Operation: 55+25=80, Resulting Numbers: [77, 63, 80] Generated Node #0,0: 70:[77, 63, 80] Operation: 55+25=80 Exploring Operation: 63-55=8, Resulting Numbers: [77, 25, 8] Generated Node #0,1: 70:[77, 25, 8] Operation: 63-55=8 Exploring Operation: 77-55=22, Resulting Numbers: [63, 25, 22] Generated Node #0,2: 70:[63, 25, 22] Operation: 77-55=22 Exploring Operation: 55-25=30, Resulting Numbers: [77, 63, 30] Generated Node #0,3: 70:[77, 63, 30] Operation: 55-25=30 Moving to Node #0,1 Current State: 70:[77, 25, 8], Operations: ['63-55=8'] Exploring Operation: 25+8=33, Resulting Numbers: [77, 33] Generated Node #0,1,0: 70:[77, 33] Operation: 25+8=33 Exploring Operation: 25-8=17, Resulting Numbers: [77, 17] Generated Node #0,1,1: 70:[77, 17] Operation: 25-8=17 Exploring Operation: 77-8=69, Resulting Numbers: [25, 69] Generated Node #0,1,2: 70:[25, 69] Operation: 77-8=69 Exploring Operation: 77-25=52, Resulting Numbers: [8, 52] Generated Node #0,1,3: 70:[8, 52] Operation: 77-25=52 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[77, 33], Operations: ['63-55=8', '25+8=33'] Exploring Operation: 77*33=2541, Resulting Numbers: [2541] 2541,70 unequal: No Solution Exploring Operation: 77+33=110, Resulting Numbers: [110] 110,70 unequal: No Solution Exploring Operation: 77-33=44, Resulting Numbers: [44] 44,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[77, 17], Operations: ['63-55=8', '25-8=17'] Exploring Operation: 77*17=1309, Resulting Numbers: [1309] 1309,70 unequal: No Solution Exploring Operation: 77+17=94, Resulting Numbers: [94] 94,70 unequal: No Solution Exploring Operation: 77-17=60, Resulting Numbers: [60] 60,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 70:[25, 69], Operations: ['63-55=8', '77-8=69'] Exploring Operation: 25*69=1725, Resulting Numbers: [1725] 1725,70 unequal: No Solution Exploring Operation: 69-25=44, Resulting Numbers: [44] 44,70 unequal: No Solution Exploring Operation: 25+69=94, Resulting Numbers: [94] 94,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 70:[8, 52], Operations: ['63-55=8', '77-25=52'] Exploring Operation: 8+52=60, Resulting Numbers: [60] 60,70 unequal: No Solution Exploring Operation: 8*52=416, Resulting Numbers: [416] 416,70 unequal: No Solution Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,70 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: 70:[77, 63, 30], Operations: ['55-25=30'] Exploring Operation: 77-30=47, Resulting Numbers: [63, 47] Generated Node #0,3,0: 70:[63, 47] Operation: 77-30=47 Exploring Operation: 77-63=14, Resulting Numbers: [30, 14] Generated Node #0,3,1: 70:[30, 14] Operation: 77-63=14 Exploring Operation: 63-30=33, Resulting Numbers: [77, 33] Generated Node #0,3,2: 70:[77, 33] Operation: 63-30=33 Exploring Operation: 63+30=93, Resulting Numbers: [77, 93] Generated Node #0,3,3: 70:[77, 93] Operation: 63+30=93 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 70:[30, 14], Operations: ['55-25=30', '77-63=14'] Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 30*14=420, Resulting Numbers: [420] 420,70 unequal: No Solution Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 70:[77, 33], Operations: ['55-25=30', '63-30=33'] Exploring Operation: 77*33=2541, Resulting Numbers: [2541] 2541,70 unequal: No Solution Exploring Operation: 77-33=44, Resulting Numbers: [44] 44,70 unequal: No Solution Exploring Operation: 77+33=110, Resulting Numbers: [110] 110,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 70:[63, 47], Operations: ['55-25=30', '77-30=47'] Exploring Operation: 63+47=110, Resulting Numbers: [110] 110,70 unequal: No Solution Exploring Operation: 63-47=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 63*47=2961, Resulting Numbers: [2961] 2961,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 70:[77, 93], Operations: ['55-25=30', '63+30=93'] Exploring Operation: 77+93=170, Resulting Numbers: [170] 170,70 unequal: No Solution Exploring Operation: 93-77=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 77*93=7161, Resulting Numbers: [7161] 7161,70 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: 70:[77, 63, 80], Operations: ['55+25=80'] Exploring Operation: 77+63=140, Resulting Numbers: [80, 140] Generated Node #0,0,0: 70:[80, 140] Operation: 77+63=140 Exploring Operation: 77-63=14, Resulting Numbers: [80, 14] Generated Node #0,0,1: 70:[80, 14] Operation: 77-63=14 Exploring Operation: 80-63=17, Resulting Numbers: [77, 17] Generated Node #0,0,2: 70:[77, 17] Operation: 80-63=17 Exploring Operation: 80-77=3, Resulting Numbers: [63, 3] Generated Node #0,0,3: 70:[63, 3] Operation: 80-77=3 Moving to Node #0,2 Current State: 70:[63, 25, 22], Operations: ['77-55=22'] Exploring Operation: 63-25=38, Resulting Numbers: [22, 38] Generated Node #0,2,0: 70:[22, 38] Operation: 63-25=38 Exploring Operation: 63-22=41, Resulting Numbers: [25, 41] Generated Node #0,2,1: 70:[25, 41] Operation: 63-22=41 Exploring Operation: 25-22=3, Resulting Numbers: [63, 3] Generated Node #0,2,2: 70:[63, 3] Operation: 25-22=3 Exploring Operation: 25+22=47, Resulting Numbers: [63, 47] Generated Node #0,2,3: 70:[63, 47] Operation: 25+22=47 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 70:[63, 3], Operations: ['77-55=22', '25-22=3'] Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,70 unequal: No Solution Exploring Operation: 63*3=189, Resulting Numbers: [189] 189,70 unequal: No Solution Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,70 unequal: No Solution Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 70:[22, 38], Operations: ['77-55=22', '63-25=38'] Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 22+38=60, Resulting Numbers: [60] 60,70 unequal: No Solution Exploring Operation: 22*38=836, Resulting Numbers: [836] 836,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 70:[25, 41], Operations: ['77-55=22', '63-22=41'] Exploring Operation: 25+41=66, Resulting Numbers: [66] 66,70 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 25*41=1025, Resulting Numbers: [1025] 1025,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 70:[63, 47], Operations: ['77-55=22', '25+22=47'] Exploring Operation: 63*47=2961, Resulting Numbers: [2961] 2961,70 unequal: No Solution Exploring Operation: 63-47=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 63+47=110, Resulting Numbers: [110] 110,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 70:[63, 3], Operations: ['55+25=80', '80-77=3'] Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,70 unequal: No Solution Exploring Operation: 63*3=189, Resulting Numbers: [189] 189,70 unequal: No Solution Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,70 unequal: No Solution Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[77, 17], Operations: ['55+25=80', '80-63=17'] Exploring Operation: 77*17=1309, Resulting Numbers: [1309] 1309,70 unequal: No Solution Exploring Operation: 77-17=60, Resulting Numbers: [60] 60,70 unequal: No Solution Exploring Operation: 77+17=94, Resulting Numbers: [94] 94,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[80, 14], Operations: ['55+25=80', '77-63=14'] Exploring Operation: 80+14=94, Resulting Numbers: [94] 94,70 unequal: No Solution Exploring Operation: 80-14=66, Resulting Numbers: [66] 66,70 unequal: No Solution Exploring Operation: 80*14=1120, Resulting Numbers: [1120] 1120,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[80, 140], Operations: ['55+25=80', '77+63=140'] Exploring Operation: 80+140=220, Resulting Numbers: [220] 220,70 unequal: No Solution Exploring Operation: 140-80=60, Resulting Numbers: [60] 60,70 unequal: No Solution Exploring Operation: 80*140=11200, Resulting Numbers: [11200] 11200,70 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 34, 53, 89, 90 ]
85
[ "34*90=3060", "89-53=36", "3060/36=85" ]
Current State: 85:[34, 53, 89, 90], Operations: [] Exploring Operation: 34*90=3060, Resulting Numbers: [53, 89, 3060] Generated Node #2: [53, 89, 3060] from Operation: 34*90=3060 Current State: 85:[53, 89, 3060], Operations: ['34*90=3060'] Exploring Operation: 89-53=36, Resulting Numbers: [3060, 36] Generated Node #3: [3060, 36] from Operation: 89-53=36 Current State: 85:[3060, 36], Operations: ['34*90=3060', '89-53=36'] Exploring Operation: 3060/36=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[34, 53, 89, 90], Operations: [] Exploring Operation: 34+53=87, Resulting Numbers: [89, 90, 87] Generated Node #0,0: 85:[89, 90, 87] Operation: 34+53=87 Exploring Operation: 53-34=19, Resulting Numbers: [89, 90, 19] Generated Node #0,1: 85:[89, 90, 19] Operation: 53-34=19 Moving to Node #0,0 Current State: 85:[89, 90, 87], Operations: ['34+53=87'] Exploring Operation: 90-89=1, Resulting Numbers: [87, 1] Generated Node #0,0,0: 85:[87, 1] Operation: 90-89=1 Exploring Operation: 90-87=3, Resulting Numbers: [89, 3] Generated Node #0,0,1: 85:[89, 3] Operation: 90-87=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[87, 1], Operations: ['34+53=87', '90-89=1'] Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,85 unequal: No Solution Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,85 unequal: No Solution No 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: 85:[89, 3], Operations: ['34+53=87', '90-87=3'] Exploring Operation: 89-3=86, Resulting Numbers: [86] 86,85 unequal: No Solution Exploring Operation: 89+3=92, Resulting Numbers: [92] 92,85 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: 85:[89, 90, 19], Operations: ['53-34=19'] Exploring Operation: 90-19=71, Resulting Numbers: [89, 71] Generated Node #0,1,0: 85:[89, 71] Operation: 90-19=71 Exploring Operation: 90-89=1, Resulting Numbers: [19, 1] Generated Node #0,1,1: 85:[19, 1] Operation: 90-89=1 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[19, 1], Operations: ['53-34=19', '90-89=1'] Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,85 unequal: No Solution No 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: 85:[89, 71], Operations: ['53-34=19', '90-19=71'] Exploring Operation: 89-71=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 89+71=160, Resulting Numbers: [160] 160,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 11, 17, 58, 75 ]
54
[ "11*17=187", "58+75=133", "187-133=54" ]
Current State: 54:[11, 17, 58, 75], Operations: [] Exploring Operation: 11*17=187, Resulting Numbers: [58, 75, 187] Generated Node #2: [58, 75, 187] from Operation: 11*17=187 Current State: 54:[58, 75, 187], Operations: ['11*17=187'] Exploring Operation: 58+75=133, Resulting Numbers: [187, 133] Generated Node #3: [187, 133] from Operation: 58+75=133 Current State: 54:[187, 133], Operations: ['11*17=187', '58+75=133'] Exploring Operation: 187-133=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[11, 17, 58, 75], Operations: [] Exploring Operation: 75-17=58, Resulting Numbers: [11, 58, 58] Generated Node #0,0: 54:[11, 58, 58] Operation: 75-17=58 Exploring Operation: 17-11=6, Resulting Numbers: [58, 75, 6] Generated Node #0,1: 54:[58, 75, 6] Operation: 17-11=6 Exploring Operation: 75-11=64, Resulting Numbers: [17, 58, 64] Generated Node #0,2: 54:[17, 58, 64] Operation: 75-11=64 Exploring Operation: 75-58=17, Resulting Numbers: [11, 17, 17] Generated Node #0,3: 54:[11, 17, 17] Operation: 75-58=17 Start Sub Search at level 1: Moving to Node #0,3 Current State: 54:[11, 17, 17], Operations: ['75-58=17'] Exploring Operation: 17-11=6, Resulting Numbers: [17, 6] Generated Node #0,3,0: 54:[17, 6] Operation: 17-11=6 Exploring Operation: 11+17=28, Resulting Numbers: [17, 28] Generated Node #0,3,1: 54:[17, 28] Operation: 11+17=28 Exploring Operation: 17-11=6, Resulting Numbers: [17, 6] Generated Node #0,3,2: 54:[17, 6] Operation: 17-11=6 Exploring Operation: 11+17=28, Resulting Numbers: [17, 28] Generated Node #0,3,3: 54:[17, 28] Operation: 11+17=28 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 54:[17, 6], Operations: ['75-58=17', '17-11=6'] Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,54 unequal: No Solution Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,54 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,54 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 #0,3,2 Current State: 54:[17, 6], Operations: ['75-58=17', '17-11=6'] Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,54 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,54 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 #0,3,1 Current State: 54:[17, 28], Operations: ['75-58=17', '11+17=28'] Exploring Operation: 17*28=476, Resulting Numbers: [476] 476,54 unequal: No Solution Exploring Operation: 28-17=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 17+28=45, Resulting Numbers: [45] 45,54 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 #0,3,3 Current State: 54:[17, 28], Operations: ['75-58=17', '11+17=28'] Exploring Operation: 17+28=45, Resulting Numbers: [45] 45,54 unequal: No Solution Exploring Operation: 28-17=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 17*28=476, Resulting Numbers: [476] 476,54 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:[11, 58, 58], Operations: ['75-17=58'] Exploring Operation: 58-58=0, Resulting Numbers: [11, 0] Generated Node #0,0,0: 54:[11, 0] Operation: 58-58=0 Exploring Operation: 58-11=47, Resulting Numbers: [58, 47] Generated Node #0,0,1: 54:[58, 47] Operation: 58-11=47 Exploring Operation: 58/58=1, Resulting Numbers: [11, 1] Generated Node #0,0,2: 54:[11, 1] Operation: 58/58=1 Exploring Operation: 58-11=47, Resulting Numbers: [58, 47] Generated Node #0,0,3: 54:[58, 47] Operation: 58-11=47 Moving to Node #0,0,2 Current State: 54:[11, 1], Operations: ['75-17=58', '58/58=1'] Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,54 unequal: No Solution Moving to Node #0,0,0 Current State: 54:[11, 0], Operations: ['75-17=58', '58-58=0'] Exploring Operation: 11-0=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 11+0=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 11*0=0, Resulting Numbers: [0] 0,54 unequal: No Solution Moving to Node #0,0,3 Current State: 54:[58, 47], Operations: ['75-17=58', '58-11=47'] Exploring Operation: 58-47=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 58*47=2726, Resulting Numbers: [2726] 2726,54 unequal: No Solution Exploring Operation: 58+47=105, Resulting Numbers: [105] 105,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[58, 47], Operations: ['75-17=58', '58-11=47'] Exploring Operation: 58*47=2726, Resulting Numbers: [2726] 2726,54 unequal: No Solution Exploring Operation: 58-47=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 58+47=105, Resulting Numbers: [105] 105,54 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:[17, 58, 64], Operations: ['75-11=64'] Exploring Operation: 64-17=47, Resulting Numbers: [58, 47] Generated Node #0,2,0: 54:[58, 47] Operation: 64-17=47 Exploring Operation: 58-17=41, Resulting Numbers: [64, 41] Generated Node #0,2,1: 54:[64, 41] Operation: 58-17=41 Exploring Operation: 17+58=75, Resulting Numbers: [64, 75] Generated Node #0,2,2: 54:[64, 75] Operation: 17+58=75 Exploring Operation: 64-58=6, Resulting Numbers: [17, 6] Generated Node #0,2,3: 54:[17, 6] Operation: 64-58=6 Moving to Node #0,2,3 Current State: 54:[17, 6], Operations: ['75-11=64', '64-58=6'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,54 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,54 unequal: No Solution Moving to Node #0,2,0 Current State: 54:[58, 47], Operations: ['75-11=64', '64-17=47'] Exploring Operation: 58*47=2726, Resulting Numbers: [2726] 2726,54 unequal: No Solution Exploring Operation: 58-47=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 58+47=105, Resulting Numbers: [105] 105,54 unequal: No Solution Moving to Node #0,2,1 Current State: 54:[64, 41], Operations: ['75-11=64', '58-17=41'] Exploring Operation: 64*41=2624, Resulting Numbers: [2624] 2624,54 unequal: No Solution Exploring Operation: 64+41=105, Resulting Numbers: [105] 105,54 unequal: No Solution Exploring Operation: 64-41=23, Resulting Numbers: [23] 23,54 unequal: No Solution Moving to Node #0,2,2 Current State: 54:[64, 75], Operations: ['75-11=64', '17+58=75'] Exploring Operation: 75-64=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 64*75=4800, Resulting Numbers: [4800] 4800,54 unequal: No Solution Exploring Operation: 64+75=139, Resulting Numbers: [139] 139,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[58, 75, 6], Operations: ['17-11=6'] Exploring Operation: 75-58=17, Resulting Numbers: [6, 17] Generated Node #0,1,0: 54:[6, 17] Operation: 75-58=17 Exploring Operation: 75-6=69, Resulting Numbers: [58, 69] Generated Node #0,1,1: 54:[58, 69] Operation: 75-6=69 Exploring Operation: 58+6=64, Resulting Numbers: [75, 64] Generated Node #0,1,2: 54:[75, 64] Operation: 58+6=64 Exploring Operation: 58-6=52, Resulting Numbers: [75, 52] Generated Node #0,1,3: 54:[75, 52] Operation: 58-6=52 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 54:[6, 17], Operations: ['17-11=6', '75-58=17'] Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,54 unequal: No Solution Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,54 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,54 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 #0,1,1 Current State: 54:[58, 69], Operations: ['17-11=6', '75-6=69'] Exploring Operation: 58+69=127, Resulting Numbers: [127] 127,54 unequal: No Solution Exploring Operation: 69-58=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 58*69=4002, Resulting Numbers: [4002] 4002,54 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:[75, 52], Operations: ['17-11=6', '58-6=52'] Exploring Operation: 75-52=23, Resulting Numbers: [23] 23,54 unequal: No Solution Exploring Operation: 75*52=3900, Resulting Numbers: [3900] 3900,54 unequal: No Solution Exploring Operation: 75+52=127, Resulting Numbers: [127] 127,54 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:[75, 64], Operations: ['17-11=6', '58+6=64'] Exploring Operation: 75*64=4800, Resulting Numbers: [4800] 4800,54 unequal: No Solution Exploring Operation: 75+64=139, Resulting Numbers: [139] 139,54 unequal: No Solution Exploring Operation: 75-64=11, Resulting Numbers: [11] 11,54 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 No solution found.
0
hs_4
mult_heuristic
[ 8, 84, 3, 99 ]
79
[ "8+99=107", "84/3=28", "107-28=79" ]
Current State: 79:[8, 84, 3, 99], Operations: [] Exploring Operation: 8+99=107, Resulting Numbers: [84, 3, 107] Generated Node #2: [84, 3, 107] from Operation: 8+99=107 Current State: 79:[84, 3, 107], Operations: ['8+99=107'] Exploring Operation: 84/3=28, Resulting Numbers: [107, 28] Generated Node #3: [107, 28] from Operation: 84/3=28 Current State: 79:[107, 28], Operations: ['8+99=107', '84/3=28'] Exploring Operation: 107-28=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[8, 84, 3, 99], Operations: [] Exploring Operation: 8*3=24, Resulting Numbers: [84, 99, 24] Generated Node #0,0: 79:[84, 99, 24] Operation: 8*3=24 Exploring Operation: 99-8=91, Resulting Numbers: [84, 3, 91] Generated Node #0,1: 79:[84, 3, 91] Operation: 99-8=91 Exploring Operation: 84-3=81, Resulting Numbers: [8, 99, 81] Generated Node #0,2: 79:[8, 99, 81] Operation: 84-3=81 Exploring Operation: 8+3=11, Resulting Numbers: [84, 99, 11] Generated Node #0,3: 79:[84, 99, 11] Operation: 8+3=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[84, 99, 24], Operations: ['8*3=24'] Exploring Operation: 84-24=60, Resulting Numbers: [99, 60] Generated Node #0,0,0: 79:[99, 60] Operation: 84-24=60 Exploring Operation: 84+24=108, Resulting Numbers: [99, 108] Generated Node #0,0,1: 79:[99, 108] Operation: 84+24=108 Exploring Operation: 99+24=123, Resulting Numbers: [84, 123] Generated Node #0,0,2: 79:[84, 123] Operation: 99+24=123 Exploring Operation: 99-24=75, Resulting Numbers: [84, 75] Generated Node #0,0,3: 79:[84, 75] Operation: 99-24=75 Moving to Node #0,0,3 Current State: 79:[84, 75], Operations: ['8*3=24', '99-24=75'] Exploring Operation: 84*75=6300, Resulting Numbers: [6300] 6300,79 unequal: No Solution Exploring Operation: 84+75=159, Resulting Numbers: [159] 159,79 unequal: No Solution Exploring Operation: 84-75=9, Resulting Numbers: [9] 9,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[99, 60], Operations: ['8*3=24', '84-24=60'] Exploring Operation: 99+60=159, Resulting Numbers: [159] 159,79 unequal: No Solution Exploring Operation: 99*60=5940, Resulting Numbers: [5940] 5940,79 unequal: No Solution Exploring Operation: 99-60=39, Resulting Numbers: [39] 39,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[84, 123], Operations: ['8*3=24', '99+24=123'] Exploring Operation: 84+123=207, Resulting Numbers: [207] 207,79 unequal: No Solution Exploring Operation: 84*123=10332, Resulting Numbers: [10332] 10332,79 unequal: No Solution Exploring Operation: 123-84=39, Resulting Numbers: [39] 39,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[99, 108], Operations: ['8*3=24', '84+24=108'] Exploring Operation: 108-99=9, Resulting Numbers: [9] 9,79 unequal: No Solution Exploring Operation: 99+108=207, Resulting Numbers: [207] 207,79 unequal: No Solution Exploring Operation: 99*108=10692, Resulting Numbers: [10692] 10692,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[84, 3, 91], Operations: ['99-8=91'] Exploring Operation: 3+91=94, Resulting Numbers: [84, 94] Generated Node #0,1,0: 79:[84, 94] Operation: 3+91=94 Exploring Operation: 84+3=87, Resulting Numbers: [91, 87] Generated Node #0,1,1: 79:[91, 87] Operation: 84+3=87 Exploring Operation: 91-3=88, Resulting Numbers: [84, 88] Generated Node #0,1,2: 79:[84, 88] Operation: 91-3=88 Exploring Operation: 84-3=81, Resulting Numbers: [91, 81] Generated Node #0,1,3: 79:[91, 81] Operation: 84-3=81 Moving to Node #0,1,2 Current State: 79:[84, 88], Operations: ['99-8=91', '91-3=88'] Exploring Operation: 84+88=172, Resulting Numbers: [172] 172,79 unequal: No Solution Exploring Operation: 88-84=4, Resulting Numbers: [4] 4,79 unequal: No Solution Exploring Operation: 84*88=7392, Resulting Numbers: [7392] 7392,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[91, 81], Operations: ['99-8=91', '84-3=81'] Exploring Operation: 91-81=10, Resulting Numbers: [10] 10,79 unequal: No Solution Exploring Operation: 91+81=172, Resulting Numbers: [172] 172,79 unequal: No Solution Exploring Operation: 91*81=7371, Resulting Numbers: [7371] 7371,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[91, 87], Operations: ['99-8=91', '84+3=87'] Exploring Operation: 91+87=178, Resulting Numbers: [178] 178,79 unequal: No Solution Exploring Operation: 91-87=4, Resulting Numbers: [4] 4,79 unequal: No Solution Exploring Operation: 91*87=7917, Resulting Numbers: [7917] 7917,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[84, 94], Operations: ['99-8=91', '3+91=94'] Exploring Operation: 84*94=7896, Resulting Numbers: [7896] 7896,79 unequal: No Solution Exploring Operation: 94-84=10, Resulting Numbers: [10] 10,79 unequal: No Solution Exploring Operation: 84+94=178, Resulting Numbers: [178] 178,79 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:[8, 99, 81], Operations: ['84-3=81'] Exploring Operation: 99-8=91, Resulting Numbers: [81, 91] Generated Node #0,2,0: 79:[81, 91] Operation: 99-8=91 Exploring Operation: 8+81=89, Resulting Numbers: [99, 89] Generated Node #0,2,1: 79:[99, 89] Operation: 8+81=89 Exploring Operation: 81-8=73, Resulting Numbers: [99, 73] Generated Node #0,2,2: 79:[99, 73] Operation: 81-8=73 Exploring Operation: 8+99=107, Resulting Numbers: [81, 107] Generated Node #0,2,3: 79:[81, 107] Operation: 8+99=107 Moving to Node #0,2,0 Current State: 79:[81, 91], Operations: ['84-3=81', '99-8=91'] Exploring Operation: 91-81=10, Resulting Numbers: [10] 10,79 unequal: No Solution Exploring Operation: 81*91=7371, Resulting Numbers: [7371] 7371,79 unequal: No Solution Exploring Operation: 81+91=172, Resulting Numbers: [172] 172,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[99, 73], Operations: ['84-3=81', '81-8=73'] Exploring Operation: 99+73=172, Resulting Numbers: [172] 172,79 unequal: No Solution Exploring Operation: 99*73=7227, Resulting Numbers: [7227] 7227,79 unequal: No Solution Exploring Operation: 99-73=26, Resulting Numbers: [26] 26,79 unequal: No Solution Moving to Node #0,2,3 Current State: 79:[81, 107], Operations: ['84-3=81', '8+99=107'] Exploring Operation: 81+107=188, Resulting Numbers: [188] 188,79 unequal: No Solution Exploring Operation: 81*107=8667, Resulting Numbers: [8667] 8667,79 unequal: No Solution Exploring Operation: 107-81=26, Resulting Numbers: [26] 26,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[99, 89], Operations: ['84-3=81', '8+81=89'] Exploring Operation: 99-89=10, Resulting Numbers: [10] 10,79 unequal: No Solution Exploring Operation: 99*89=8811, Resulting Numbers: [8811] 8811,79 unequal: No Solution Exploring Operation: 99+89=188, Resulting Numbers: [188] 188,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 79:[84, 99, 11], Operations: ['8+3=11'] Exploring Operation: 99-11=88, Resulting Numbers: [84, 88] Generated Node #0,3,0: 79:[84, 88] Operation: 99-11=88 Exploring Operation: 84+11=95, Resulting Numbers: [99, 95] Generated Node #0,3,1: 79:[99, 95] Operation: 84+11=95 Exploring Operation: 84-11=73, Resulting Numbers: [99, 73] Generated Node #0,3,2: 79:[99, 73] Operation: 84-11=73 Exploring Operation: 99+11=110, Resulting Numbers: [84, 110] Generated Node #0,3,3: 79:[84, 110] Operation: 99+11=110 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 79:[84, 88], Operations: ['8+3=11', '99-11=88'] Exploring Operation: 84+88=172, Resulting Numbers: [172] 172,79 unequal: No Solution Exploring Operation: 84*88=7392, Resulting Numbers: [7392] 7392,79 unequal: No Solution Exploring Operation: 88-84=4, Resulting Numbers: [4] 4,79 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 #0,3,2 Current State: 79:[99, 73], Operations: ['8+3=11', '84-11=73'] Exploring Operation: 99*73=7227, Resulting Numbers: [7227] 7227,79 unequal: No Solution Exploring Operation: 99-73=26, Resulting Numbers: [26] 26,79 unequal: No Solution Exploring Operation: 99+73=172, Resulting Numbers: [172] 172,79 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 #0,3,1 Current State: 79:[99, 95], Operations: ['8+3=11', '84+11=95'] Exploring Operation: 99-95=4, Resulting Numbers: [4] 4,79 unequal: No Solution Exploring Operation: 99*95=9405, Resulting Numbers: [9405] 9405,79 unequal: No Solution Exploring Operation: 99+95=194, Resulting Numbers: [194] 194,79 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 #0,3,3 Current State: 79:[84, 110], Operations: ['8+3=11', '99+11=110'] Exploring Operation: 84*110=9240, Resulting Numbers: [9240] 9240,79 unequal: No Solution Exploring Operation: 110-84=26, Resulting Numbers: [26] 26,79 unequal: No Solution Exploring Operation: 84+110=194, Resulting Numbers: [194] 194,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 26, 9, 52, 77 ]
10
[ "26+9=35", "77-52=25", "35-25=10" ]
Current State: 10:[26, 9, 52, 77], Operations: [] Exploring Operation: 26+9=35, Resulting Numbers: [52, 77, 35] Generated Node #2: [52, 77, 35] from Operation: 26+9=35 Current State: 10:[52, 77, 35], Operations: ['26+9=35'] Exploring Operation: 77-52=25, Resulting Numbers: [35, 25] Generated Node #3: [35, 25] from Operation: 77-52=25 Current State: 10:[35, 25], Operations: ['26+9=35', '77-52=25'] Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[26, 9, 52, 77], Operations: [] Exploring Operation: 77-52=25, Resulting Numbers: [26, 9, 25] Generated Node #0,0: 10:[26, 9, 25] Operation: 77-52=25 Moving to Node #0,0 Current State: 10:[26, 9, 25], Operations: ['77-52=25'] Exploring Operation: 26-25=1, Resulting Numbers: [9, 1] Generated Node #0,0,0: 10:[9, 1] Operation: 26-25=1 Moving to Node #0,0,0 Current State: 10:[9, 1], Operations: ['77-52=25', '26-25=1'] Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[26, 9, 52, 77], Operations: [] Exploring Operation: 77-52=25, Resulting Numbers: [26, 9, 25] Generated Node #0,0: 10:[26, 9, 25] Operation: 77-52=25 Moving to Node #0,0 Current State: 10:[26, 9, 25], Operations: ['77-52=25'] Exploring Operation: 26-25=1, Resulting Numbers: [9, 1] Generated Node #0,0,0: 10:[9, 1] Operation: 26-25=1 Moving to Node #0,0,0 Current State: 10:[9, 1], Operations: ['77-52=25', '26-25=1'] Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 21, 2, 93, 66 ]
96
[ "21+93=114", "114-66=48", "2*48=96" ]
Current State: 96:[21, 2, 93, 66], Operations: [] Exploring Operation: 21+93=114, Resulting Numbers: [2, 66, 114] Generated Node #2: [2, 66, 114] from Operation: 21+93=114 Current State: 96:[2, 66, 114], Operations: ['21+93=114'] Exploring Operation: 114-66=48, Resulting Numbers: [2, 48] Generated Node #3: [2, 48] from Operation: 114-66=48 Current State: 96:[2, 48], Operations: ['21+93=114', '114-66=48'] Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[21, 2, 93, 66], Operations: [] Exploring Operation: 66-21=45, Resulting Numbers: [2, 93, 45] Generated Node #0,0: 96:[2, 93, 45] Operation: 66-21=45 Exploring Operation: 93-66=27, Resulting Numbers: [21, 2, 27] Generated Node #0,1: 96:[21, 2, 27] Operation: 93-66=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[2, 93, 45], Operations: ['66-21=45'] Exploring Operation: 2+93=95, Resulting Numbers: [45, 95] Generated Node #0,0,0: 96:[45, 95] Operation: 2+93=95 Exploring Operation: 93-45=48, Resulting Numbers: [2, 48] Generated Node #0,0,1: 96:[2, 48] Operation: 93-45=48 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 96:[2, 48], Operations: ['66-21=45', '93-45=48'] Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,96 unequal: No Solution Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[21, 2, 93, 66], Operations: [] Exploring Operation: 66-21=45, Resulting Numbers: [2, 93, 45] Generated Node #0,0: 96:[2, 93, 45] Operation: 66-21=45 Moving to Node #0,0 Current State: 96:[2, 93, 45], Operations: ['66-21=45'] Exploring Operation: 93-45=48, Resulting Numbers: [2, 48] Generated Node #0,0,1: 96:[2, 48] Operation: 93-45=48 Moving to Node #0,0,1 Current State: 96:[2, 48], Operations: ['66-21=45', '93-45=48'] Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 74, 37, 72, 83 ]
100
[ "74+37=111", "83-72=11", "111-11=100" ]
Current State: 100:[74, 37, 72, 83], Operations: [] Exploring Operation: 74+37=111, Resulting Numbers: [72, 83, 111] Generated Node #2: [72, 83, 111] from Operation: 74+37=111 Current State: 100:[72, 83, 111], Operations: ['74+37=111'] Exploring Operation: 83-72=11, Resulting Numbers: [111, 11] Generated Node #3: [111, 11] from Operation: 83-72=11 Current State: 100:[111, 11], Operations: ['74+37=111', '83-72=11'] Exploring Operation: 111-11=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[74, 37, 72, 83], Operations: [] Exploring Operation: 74/37=2, Resulting Numbers: [72, 83, 2] Generated Node #0,0: 100:[72, 83, 2] Operation: 74/37=2 Exploring Operation: 83-72=11, Resulting Numbers: [74, 37, 11] Generated Node #0,1: 100:[74, 37, 11] Operation: 83-72=11 Exploring Operation: 83-74=9, Resulting Numbers: [37, 72, 9] Generated Node #0,2: 100:[37, 72, 9] Operation: 83-74=9 Exploring Operation: 74-72=2, Resulting Numbers: [37, 83, 2] Generated Node #0,3: 100:[37, 83, 2] Operation: 74-72=2 Start Sub Search at level 1: Moving to Node #0,3 Current State: 100:[37, 83, 2], Operations: ['74-72=2'] Exploring Operation: 83+2=85, Resulting Numbers: [37, 85] Generated Node #0,3,0: 100:[37, 85] Operation: 83+2=85 Exploring Operation: 83-37=46, Resulting Numbers: [2, 46] Generated Node #0,3,1: 100:[2, 46] Operation: 83-37=46 Exploring Operation: 37-2=35, Resulting Numbers: [83, 35] Generated Node #0,3,2: 100:[83, 35] Operation: 37-2=35 Exploring Operation: 37+83=120, Resulting Numbers: [2, 120] Generated Node #0,3,3: 100:[2, 120] Operation: 37+83=120 Moving to Node #0,3,1 Current State: 100:[2, 46], Operations: ['74-72=2', '83-37=46'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,100 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,100 unequal: No Solution Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,100 unequal: No Solution Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,100 unequal: No Solution Moving to Node #0,3,3 Current State: 100:[2, 120], Operations: ['74-72=2', '37+83=120'] Exploring Operation: 2*120=240, Resulting Numbers: [240] 240,100 unequal: No Solution Exploring Operation: 2+120=122, Resulting Numbers: [122] 122,100 unequal: No Solution Exploring Operation: 120-2=118, Resulting Numbers: [118] 118,100 unequal: No Solution Exploring Operation: 120/2=60, Resulting Numbers: [60] 60,100 unequal: No Solution Moving to Node #0,3,2 Current State: 100:[83, 35], Operations: ['74-72=2', '37-2=35'] Exploring Operation: 83+35=118, Resulting Numbers: [118] 118,100 unequal: No Solution Exploring Operation: 83*35=2905, Resulting Numbers: [2905] 2905,100 unequal: No Solution Exploring Operation: 83-35=48, Resulting Numbers: [48] 48,100 unequal: No Solution Moving to Node #0,3,0 Current State: 100:[37, 85], Operations: ['74-72=2', '83+2=85'] Exploring Operation: 85-37=48, Resulting Numbers: [48] 48,100 unequal: No Solution Exploring Operation: 37+85=122, Resulting Numbers: [122] 122,100 unequal: No Solution Exploring Operation: 37*85=3145, Resulting Numbers: [3145] 3145,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 100:[37, 72, 9], Operations: ['83-74=9'] Exploring Operation: 72/9=8, Resulting Numbers: [37, 8] Generated Node #0,2,0: 100:[37, 8] Operation: 72/9=8 Exploring Operation: 37+72=109, Resulting Numbers: [9, 109] Generated Node #0,2,1: 100:[9, 109] Operation: 37+72=109 Exploring Operation: 72-37=35, Resulting Numbers: [9, 35] Generated Node #0,2,2: 100:[9, 35] Operation: 72-37=35 Exploring Operation: 37-9=28, Resulting Numbers: [72, 28] Generated Node #0,2,3: 100:[72, 28] Operation: 37-9=28 Moving to Node #0,2,1 Current State: 100:[9, 109], Operations: ['83-74=9', '37+72=109'] Exploring Operation: 109-9=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[74, 37, 72, 83], Operations: [] Exploring Operation: 83-74=9, Resulting Numbers: [37, 72, 9] Generated Node #0,2: 100:[37, 72, 9] Operation: 83-74=9 Moving to Node #0,2 Current State: 100:[37, 72, 9], Operations: ['83-74=9'] Exploring Operation: 37+72=109, Resulting Numbers: [9, 109] Generated Node #0,2,1: 100:[9, 109] Operation: 37+72=109 Moving to Node #0,2,1 Current State: 100:[9, 109], Operations: ['83-74=9', '37+72=109'] Exploring Operation: 109-9=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
mult_heuristic
[ 12, 66, 6, 91 ]
97
[ "12*6=72", "91-66=25", "72+25=97" ]
Current State: 97:[12, 66, 6, 91], Operations: [] Exploring Operation: 12*6=72, Resulting Numbers: [66, 91, 72] Generated Node #2: [66, 91, 72] from Operation: 12*6=72 Current State: 97:[66, 91, 72], Operations: ['12*6=72'] Exploring Operation: 91-66=25, Resulting Numbers: [72, 25] Generated Node #3: [72, 25] from Operation: 91-66=25 Current State: 97:[72, 25], Operations: ['12*6=72', '91-66=25'] Exploring Operation: 72+25=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[12, 66, 6, 91], Operations: [] Exploring Operation: 12+66=78, Resulting Numbers: [6, 91, 78] Generated Node #0,0: 97:[6, 91, 78] Operation: 12+66=78 Exploring Operation: 66+6=72, Resulting Numbers: [12, 91, 72] Generated Node #0,1: 97:[12, 91, 72] Operation: 66+6=72 Exploring Operation: 12+6=18, Resulting Numbers: [66, 91, 18] Generated Node #0,2: 97:[66, 91, 18] Operation: 12+6=18 Exploring Operation: 12*6=72, Resulting Numbers: [66, 91, 72] Generated Node #0,3: 97:[66, 91, 72] Operation: 12*6=72 Start Sub Search at level 1: Moving to Node #0,3 Current State: 97:[66, 91, 72], Operations: ['12*6=72'] Exploring Operation: 72-66=6, Resulting Numbers: [91, 6] Generated Node #0,3,0: 97:[91, 6] Operation: 72-66=6 Exploring Operation: 66+72=138, Resulting Numbers: [91, 138] Generated Node #0,3,1: 97:[91, 138] Operation: 66+72=138 Exploring Operation: 66+91=157, Resulting Numbers: [72, 157] Generated Node #0,3,2: 97:[72, 157] Operation: 66+91=157 Exploring Operation: 91-66=25, Resulting Numbers: [72, 25] Generated Node #0,3,3: 97:[72, 25] Operation: 91-66=25 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 97:[91, 138], Operations: ['12*6=72', '66+72=138'] Exploring Operation: 91+138=229, Resulting Numbers: [229] 229,97 unequal: No Solution Exploring Operation: 138-91=47, Resulting Numbers: [47] 47,97 unequal: No Solution Exploring Operation: 91*138=12558, Resulting Numbers: [12558] 12558,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 97:[72, 157], Operations: ['12*6=72', '66+91=157'] Exploring Operation: 157-72=85, Resulting Numbers: [85] 85,97 unequal: No Solution Exploring Operation: 72+157=229, Resulting Numbers: [229] 229,97 unequal: No Solution Exploring Operation: 72*157=11304, Resulting Numbers: [11304] 11304,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 97:[91, 6], Operations: ['12*6=72', '72-66=6'] Exploring Operation: 91-6=85, Resulting Numbers: [85] 85,97 unequal: No Solution Exploring Operation: 91*6=546, Resulting Numbers: [546] 546,97 unequal: No Solution Exploring Operation: 91+6=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[12, 66, 6, 91], Operations: [] Exploring Operation: 12*6=72, Resulting Numbers: [66, 91, 72] Generated Node #0,3: 97:[66, 91, 72] Operation: 12*6=72 Moving to Node #0,3 Current State: 97:[66, 91, 72], Operations: ['12*6=72'] Exploring Operation: 72-66=6, Resulting Numbers: [91, 6] Generated Node #0,3,0: 97:[91, 6] Operation: 72-66=6 Moving to Node #0,3,0 Current State: 97:[91, 6], Operations: ['12*6=72', '72-66=6'] Exploring Operation: 91+6=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 12, 54, 57, 94 ]
85
[ "12+54=66", "57+94=151", "151-66=85" ]
Current State: 85:[12, 54, 57, 94], Operations: [] Exploring Operation: 12+54=66, Resulting Numbers: [57, 94, 66] Generated Node #2: [57, 94, 66] from Operation: 12+54=66 Current State: 85:[57, 94, 66], Operations: ['12+54=66'] Exploring Operation: 57+94=151, Resulting Numbers: [66, 151] Generated Node #3: [66, 151] from Operation: 57+94=151 Current State: 85:[66, 151], Operations: ['12+54=66', '57+94=151'] Exploring Operation: 151-66=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[12, 54, 57, 94], Operations: [] Exploring Operation: 54+57=111, Resulting Numbers: [12, 94, 111] Generated Node #0,0: 85:[12, 94, 111] Operation: 54+57=111 Exploring Operation: 57-54=3, Resulting Numbers: [12, 94, 3] Generated Node #0,1: 85:[12, 94, 3] Operation: 57-54=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[12, 94, 3], Operations: ['57-54=3'] Exploring Operation: 12/3=4, Resulting Numbers: [94, 4] Generated Node #0,1,0: 85:[94, 4] Operation: 12/3=4 Exploring Operation: 94-12=82, Resulting Numbers: [3, 82] Generated Node #0,1,1: 85:[3, 82] Operation: 94-12=82 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 85:[3, 82], Operations: ['57-54=3', '94-12=82'] Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 3+82=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[12, 54, 57, 94], Operations: [] Exploring Operation: 57-54=3, Resulting Numbers: [12, 94, 3] Generated Node #0,1: 85:[12, 94, 3] Operation: 57-54=3 Moving to Node #0,1 Current State: 85:[12, 94, 3], Operations: ['57-54=3'] Exploring Operation: 94-12=82, Resulting Numbers: [3, 82] Generated Node #0,1,1: 85:[3, 82] Operation: 94-12=82 Moving to Node #0,1,1 Current State: 85:[3, 82], Operations: ['57-54=3', '94-12=82'] Exploring Operation: 3+82=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 77, 83, 91, 84 ]
35
[ "77*91=7007", "83*84=6972", "7007-6972=35" ]
Current State: 35:[77, 83, 91, 84], Operations: [] Exploring Operation: 77*91=7007, Resulting Numbers: [83, 84, 7007] Generated Node #2: [83, 84, 7007] from Operation: 77*91=7007 Current State: 35:[83, 84, 7007], Operations: ['77*91=7007'] Exploring Operation: 83*84=6972, Resulting Numbers: [7007, 6972] Generated Node #3: [7007, 6972] from Operation: 83*84=6972 Current State: 35:[7007, 6972], Operations: ['77*91=7007', '83*84=6972'] Exploring Operation: 7007-6972=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[77, 83, 91, 84], Operations: [] Exploring Operation: 91-77=14, Resulting Numbers: [83, 84, 14] Generated Node #0,0: 35:[83, 84, 14] Operation: 91-77=14 Exploring Operation: 84-83=1, Resulting Numbers: [77, 91, 1] Generated Node #0,1: 35:[77, 91, 1] Operation: 84-83=1 Exploring Operation: 91-84=7, Resulting Numbers: [77, 83, 7] Generated Node #0,2: 35:[77, 83, 7] Operation: 91-84=7 Exploring Operation: 91-83=8, Resulting Numbers: [77, 84, 8] Generated Node #0,3: 35:[77, 84, 8] Operation: 91-83=8 Exploring Operation: 84-77=7, Resulting Numbers: [83, 91, 7] Generated Node #0,4: 35:[83, 91, 7] Operation: 84-77=7 Moving to Node #0,2 Current State: 35:[77, 83, 7], Operations: ['91-84=7'] Exploring Operation: 77/7=11, Resulting Numbers: [83, 11] Generated Node #0,2,0: 35:[83, 11] Operation: 77/7=11 Exploring Operation: 77-7=70, Resulting Numbers: [83, 70] Generated Node #0,2,1: 35:[83, 70] Operation: 77-7=70 Exploring Operation: 83-7=76, Resulting Numbers: [77, 76] Generated Node #0,2,2: 35:[77, 76] Operation: 83-7=76 Exploring Operation: 83-77=6, Resulting Numbers: [7, 6] Generated Node #0,2,3: 35:[7, 6] Operation: 83-77=6 Exploring Operation: 77+7=84, Resulting Numbers: [83, 84] Generated Node #0,2,4: 35:[83, 84] Operation: 77+7=84 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 35:[7, 6], Operations: ['91-84=7', '83-77=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,35 unequal: No Solution Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,35 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 35:[83, 11], Operations: ['91-84=7', '77/7=11'] Exploring Operation: 83-11=72, Resulting Numbers: [72] 72,35 unequal: No Solution Exploring Operation: 83+11=94, Resulting Numbers: [94] 94,35 unequal: No Solution Exploring Operation: 83*11=913, Resulting Numbers: [913] 913,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 35:[83, 70], Operations: ['91-84=7', '77-7=70'] Exploring Operation: 83*70=5810, Resulting Numbers: [5810] 5810,35 unequal: No Solution Exploring Operation: 83-70=13, Resulting Numbers: [13] 13,35 unequal: No Solution Exploring Operation: 83+70=153, Resulting Numbers: [153] 153,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 35:[77, 76], Operations: ['91-84=7', '83-7=76'] Exploring Operation: 77+76=153, Resulting Numbers: [153] 153,35 unequal: No Solution Exploring Operation: 77-76=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 77*76=5852, Resulting Numbers: [5852] 5852,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 35:[83, 84], Operations: ['91-84=7', '77+7=84'] Exploring Operation: 83+84=167, Resulting Numbers: [167] 167,35 unequal: No Solution Exploring Operation: 83*84=6972, Resulting Numbers: [6972] 6972,35 unequal: No Solution Exploring Operation: 84-83=1, Resulting Numbers: [1] 1,35 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: 35:[77, 84, 8], Operations: ['91-83=8'] Exploring Operation: 84+8=92, Resulting Numbers: [77, 92] Generated Node #0,3,0: 35:[77, 92] Operation: 84+8=92 Exploring Operation: 77+8=85, Resulting Numbers: [84, 85] Generated Node #0,3,1: 35:[84, 85] Operation: 77+8=85 Exploring Operation: 84-77=7, Resulting Numbers: [8, 7] Generated Node #0,3,2: 35:[8, 7] Operation: 84-77=7 Exploring Operation: 77-8=69, Resulting Numbers: [84, 69] Generated Node #0,3,3: 35:[84, 69] Operation: 77-8=69 Exploring Operation: 84-8=76, Resulting Numbers: [77, 76] Generated Node #0,3,4: 35:[77, 76] Operation: 84-8=76 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 35:[8, 7], Operations: ['91-83=8', '84-77=7'] Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,35 unequal: No Solution Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,35 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 35:[84, 69], Operations: ['91-83=8', '77-8=69'] Exploring Operation: 84*69=5796, Resulting Numbers: [5796] 5796,35 unequal: No Solution Exploring Operation: 84-69=15, Resulting Numbers: [15] 15,35 unequal: No Solution Exploring Operation: 84+69=153, Resulting Numbers: [153] 153,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 35:[77, 76], Operations: ['91-83=8', '84-8=76'] Exploring Operation: 77+76=153, Resulting Numbers: [153] 153,35 unequal: No Solution Exploring Operation: 77-76=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 77*76=5852, Resulting Numbers: [5852] 5852,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 35:[77, 92], Operations: ['91-83=8', '84+8=92'] Exploring Operation: 77*92=7084, Resulting Numbers: [7084] 7084,35 unequal: No Solution Exploring Operation: 77+92=169, Resulting Numbers: [169] 169,35 unequal: No Solution Exploring Operation: 92-77=15, Resulting Numbers: [15] 15,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 35:[84, 85], Operations: ['91-83=8', '77+8=85'] Exploring Operation: 84*85=7140, Resulting Numbers: [7140] 7140,35 unequal: No Solution Exploring Operation: 84+85=169, Resulting Numbers: [169] 169,35 unequal: No Solution Exploring Operation: 85-84=1, Resulting Numbers: [1] 1,35 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: 35:[77, 91, 1], Operations: ['84-83=1'] Exploring Operation: 91-1=90, Resulting Numbers: [77, 90] Generated Node #0,1,0: 35:[77, 90] Operation: 91-1=90 Exploring Operation: 77-1=76, Resulting Numbers: [91, 76] Generated Node #0,1,1: 35:[91, 76] Operation: 77-1=76 Exploring Operation: 77/1=77, Resulting Numbers: [91, 77] Generated Node #0,1,2: 35:[91, 77] Operation: 77/1=77 Exploring Operation: 77*1=77, Resulting Numbers: [91, 77] Generated Node #0,1,3: 35:[91, 77] Operation: 77*1=77 Exploring Operation: 91-77=14, Resulting Numbers: [1, 14] Generated Node #0,1,4: 35:[1, 14] Operation: 91-77=14 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 35:[1, 14], Operations: ['84-83=1', '91-77=14'] Exploring Operation: 1+14=15, Resulting Numbers: [15] 15,35 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,35 unequal: No Solution Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,35 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[77, 90], Operations: ['84-83=1', '91-1=90'] Exploring Operation: 77*90=6930, Resulting Numbers: [6930] 6930,35 unequal: No Solution Exploring Operation: 77+90=167, Resulting Numbers: [167] 167,35 unequal: No Solution Exploring Operation: 90-77=13, Resulting Numbers: [13] 13,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[91, 76], Operations: ['84-83=1', '77-1=76'] Exploring Operation: 91-76=15, Resulting Numbers: [15] 15,35 unequal: No Solution Exploring Operation: 91+76=167, Resulting Numbers: [167] 167,35 unequal: No Solution Exploring Operation: 91*76=6916, Resulting Numbers: [6916] 6916,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 35:[91, 77], Operations: ['84-83=1', '77/1=77'] Exploring Operation: 91*77=7007, Resulting Numbers: [7007] 7007,35 unequal: No Solution Exploring Operation: 91-77=14, Resulting Numbers: [14] 14,35 unequal: No Solution Exploring Operation: 91+77=168, Resulting Numbers: [168] 168,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 35:[91, 77], Operations: ['84-83=1', '77*1=77'] Exploring Operation: 91*77=7007, Resulting Numbers: [7007] 7007,35 unequal: No Solution Exploring Operation: 91-77=14, Resulting Numbers: [14] 14,35 unequal: No Solution Exploring Operation: 91+77=168, Resulting Numbers: [168] 168,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 35:[83, 84, 14], Operations: ['91-77=14'] Exploring Operation: 84/14=6, Resulting Numbers: [83, 6] Generated Node #0,0,0: 35:[83, 6] Operation: 84/14=6 Exploring Operation: 84-83=1, Resulting Numbers: [14, 1] Generated Node #0,0,1: 35:[14, 1] Operation: 84-83=1 Exploring Operation: 83-14=69, Resulting Numbers: [84, 69] Generated Node #0,0,2: 35:[84, 69] Operation: 83-14=69 Exploring Operation: 84-14=70, Resulting Numbers: [83, 70] Generated Node #0,0,3: 35:[83, 70] Operation: 84-14=70 Exploring Operation: 83+14=97, Resulting Numbers: [84, 97] Generated Node #0,0,4: 35:[84, 97] Operation: 83+14=97 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 35:[14, 1], Operations: ['91-77=14', '84-83=1'] Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,35 unequal: No Solution Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,35 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,35 unequal: No Solution Exploring Operation: 14+1=15, Resulting Numbers: [15] 15,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[83, 6], Operations: ['91-77=14', '84/14=6'] Exploring Operation: 83+6=89, Resulting Numbers: [89] 89,35 unequal: No Solution Exploring Operation: 83*6=498, Resulting Numbers: [498] 498,35 unequal: No Solution Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 35:[84, 69], Operations: ['91-77=14', '83-14=69'] Exploring Operation: 84-69=15, Resulting Numbers: [15] 15,35 unequal: No Solution Exploring Operation: 84*69=5796, Resulting Numbers: [5796] 5796,35 unequal: No Solution Exploring Operation: 84+69=153, Resulting Numbers: [153] 153,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 35:[83, 70], Operations: ['91-77=14', '84-14=70'] Exploring Operation: 83+70=153, Resulting Numbers: [153] 153,35 unequal: No Solution Exploring Operation: 83*70=5810, Resulting Numbers: [5810] 5810,35 unequal: No Solution Exploring Operation: 83-70=13, Resulting Numbers: [13] 13,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 35:[84, 97], Operations: ['91-77=14', '83+14=97'] Exploring Operation: 97-84=13, Resulting Numbers: [13] 13,35 unequal: No Solution Exploring Operation: 84+97=181, Resulting Numbers: [181] 181,35 unequal: No Solution Exploring Operation: 84*97=8148, Resulting Numbers: [8148] 8148,35 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: 35:[83, 91, 7], Operations: ['84-77=7'] Exploring Operation: 83-7=76, Resulting Numbers: [91, 76] Generated Node #0,4,0: 35:[91, 76] Operation: 83-7=76 Exploring Operation: 91-83=8, Resulting Numbers: [7, 8] Generated Node #0,4,1: 35:[7, 8] Operation: 91-83=8 Exploring Operation: 91/7=13, Resulting Numbers: [83, 13] Generated Node #0,4,2: 35:[83, 13] Operation: 91/7=13 Exploring Operation: 83+7=90, Resulting Numbers: [91, 90] Generated Node #0,4,3: 35:[91, 90] Operation: 83+7=90 Exploring Operation: 91-7=84, Resulting Numbers: [83, 84] Generated Node #0,4,4: 35:[83, 84] Operation: 91-7=84 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 35:[7, 8], Operations: ['84-77=7', '91-83=8'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,35 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 35:[83, 13], Operations: ['84-77=7', '91/7=13'] Exploring Operation: 83*13=1079, Resulting Numbers: [1079] 1079,35 unequal: No Solution Exploring Operation: 83+13=96, Resulting Numbers: [96] 96,35 unequal: No Solution Exploring Operation: 83-13=70, Resulting Numbers: [70] 70,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 35:[91, 76], Operations: ['84-77=7', '83-7=76'] Exploring Operation: 91+76=167, Resulting Numbers: [167] 167,35 unequal: No Solution Exploring Operation: 91*76=6916, Resulting Numbers: [6916] 6916,35 unequal: No Solution Exploring Operation: 91-76=15, Resulting Numbers: [15] 15,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 35:[83, 84], Operations: ['84-77=7', '91-7=84'] Exploring Operation: 83*84=6972, Resulting Numbers: [6972] 6972,35 unequal: No Solution Exploring Operation: 84-83=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 83+84=167, Resulting Numbers: [167] 167,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 35:[91, 90], Operations: ['84-77=7', '83+7=90'] Exploring Operation: 91*90=8190, Resulting Numbers: [8190] 8190,35 unequal: No Solution Exploring Operation: 91-90=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 91+90=181, Resulting Numbers: [181] 181,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 74, 48, 7, 24 ]
44
[ "74*24=1776", "1776/48=37", "7+37=44" ]
Current State: 44:[74, 48, 7, 24], Operations: [] Exploring Operation: 74*24=1776, Resulting Numbers: [48, 7, 1776] Generated Node #2: [48, 7, 1776] from Operation: 74*24=1776 Current State: 44:[48, 7, 1776], Operations: ['74*24=1776'] Exploring Operation: 1776/48=37, Resulting Numbers: [7, 37] Generated Node #3: [7, 37] from Operation: 1776/48=37 Current State: 44:[7, 37], Operations: ['74*24=1776', '1776/48=37'] Exploring Operation: 7+37=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[74, 48, 7, 24], Operations: [] Exploring Operation: 74-24=50, Resulting Numbers: [48, 7, 50] Generated Node #0,0: 44:[48, 7, 50] Operation: 74-24=50 Exploring Operation: 48-7=41, Resulting Numbers: [74, 24, 41] Generated Node #0,1: 44:[74, 24, 41] Operation: 48-7=41 Exploring Operation: 74-7=67, Resulting Numbers: [48, 24, 67] Generated Node #0,2: 44:[48, 24, 67] Operation: 74-7=67 Exploring Operation: 48/24=2, Resulting Numbers: [74, 7, 2] Generated Node #0,3: 44:[74, 7, 2] Operation: 48/24=2 Exploring Operation: 74-48=26, Resulting Numbers: [7, 24, 26] Generated Node #0,4: 44:[7, 24, 26] Operation: 74-48=26 Start Sub Search at level 1: Moving to Node #0,4 Current State: 44:[7, 24, 26], Operations: ['74-48=26'] Exploring Operation: 24+26=50, Resulting Numbers: [7, 50] Generated Node #0,4,0: 44:[7, 50] Operation: 24+26=50 Exploring Operation: 24-7=17, Resulting Numbers: [26, 17] Generated Node #0,4,1: 44:[26, 17] Operation: 24-7=17 Exploring Operation: 7+24=31, Resulting Numbers: [26, 31] Generated Node #0,4,2: 44:[26, 31] Operation: 7+24=31 Exploring Operation: 26-7=19, Resulting Numbers: [24, 19] Generated Node #0,4,3: 44:[24, 19] Operation: 26-7=19 Exploring Operation: 26-24=2, Resulting Numbers: [7, 2] Generated Node #0,4,4: 44:[7, 2] Operation: 26-24=2 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 44:[7, 2], Operations: ['74-48=26', '26-24=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,44 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 44:[24, 19], Operations: ['74-48=26', '26-7=19'] Exploring Operation: 24+19=43, Resulting Numbers: [43] 43,44 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,44 unequal: No Solution Exploring Operation: 24*19=456, Resulting Numbers: [456] 456,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 44:[7, 50], Operations: ['74-48=26', '24+26=50'] Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,44 unequal: No Solution Exploring Operation: 7*50=350, Resulting Numbers: [350] 350,44 unequal: No Solution Exploring Operation: 7+50=57, Resulting Numbers: [57] 57,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 44:[26, 17], Operations: ['74-48=26', '24-7=17'] Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,44 unequal: No Solution Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,44 unequal: No Solution Exploring Operation: 26*17=442, Resulting Numbers: [442] 442,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 44:[26, 31], Operations: ['74-48=26', '7+24=31'] Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,44 unequal: No Solution Exploring Operation: 26*31=806, Resulting Numbers: [806] 806,44 unequal: No Solution Exploring Operation: 26+31=57, Resulting Numbers: [57] 57,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[48, 7, 50], Operations: ['74-24=50'] Exploring Operation: 48+7=55, Resulting Numbers: [50, 55] Generated Node #0,0,0: 44:[50, 55] Operation: 48+7=55 Exploring Operation: 48-7=41, Resulting Numbers: [50, 41] Generated Node #0,0,1: 44:[50, 41] Operation: 48-7=41 Exploring Operation: 50-7=43, Resulting Numbers: [48, 43] Generated Node #0,0,2: 44:[48, 43] Operation: 50-7=43 Exploring Operation: 7+50=57, Resulting Numbers: [48, 57] Generated Node #0,0,3: 44:[48, 57] Operation: 7+50=57 Exploring Operation: 50-48=2, Resulting Numbers: [7, 2] Generated Node #0,0,4: 44:[7, 2] Operation: 50-48=2 Moving to Node #0,0,4 Current State: 44:[7, 2], Operations: ['74-24=50', '50-48=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,44 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,44 unequal: No Solution Moving to Node #0,0,2 Current State: 44:[48, 43], Operations: ['74-24=50', '50-7=43'] Exploring Operation: 48*43=2064, Resulting Numbers: [2064] 2064,44 unequal: No Solution Exploring Operation: 48+43=91, Resulting Numbers: [91] 91,44 unequal: No Solution Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[50, 41], Operations: ['74-24=50', '48-7=41'] Exploring Operation: 50*41=2050, Resulting Numbers: [2050] 2050,44 unequal: No Solution Exploring Operation: 50-41=9, Resulting Numbers: [9] 9,44 unequal: No Solution Exploring Operation: 50+41=91, Resulting Numbers: [91] 91,44 unequal: No Solution Moving to Node #0,0,0 Current State: 44:[50, 55], Operations: ['74-24=50', '48+7=55'] Exploring Operation: 50*55=2750, Resulting Numbers: [2750] 2750,44 unequal: No Solution Exploring Operation: 50+55=105, Resulting Numbers: [105] 105,44 unequal: No Solution Exploring Operation: 55-50=5, Resulting Numbers: [5] 5,44 unequal: No Solution Moving to Node #0,0,3 Current State: 44:[48, 57], Operations: ['74-24=50', '7+50=57'] Exploring Operation: 48+57=105, Resulting Numbers: [105] 105,44 unequal: No Solution Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,44 unequal: No Solution Exploring Operation: 48*57=2736, Resulting Numbers: [2736] 2736,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[48, 24, 67], Operations: ['74-7=67'] Exploring Operation: 67-48=19, Resulting Numbers: [24, 19] Generated Node #0,2,0: 44:[24, 19] Operation: 67-48=19 Exploring Operation: 48/24=2, Resulting Numbers: [67, 2] Generated Node #0,2,1: 44:[67, 2] Operation: 48/24=2 Exploring Operation: 48-24=24, Resulting Numbers: [67, 24] Generated Node #0,2,2: 44:[67, 24] Operation: 48-24=24 Exploring Operation: 48+24=72, Resulting Numbers: [67, 72] Generated Node #0,2,3: 44:[67, 72] Operation: 48+24=72 Exploring Operation: 67-24=43, Resulting Numbers: [48, 43] Generated Node #0,2,4: 44:[48, 43] Operation: 67-24=43 Moving to Node #0,2,0 Current State: 44:[24, 19], Operations: ['74-7=67', '67-48=19'] Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,44 unequal: No Solution Exploring Operation: 24+19=43, Resulting Numbers: [43] 43,44 unequal: No Solution Exploring Operation: 24*19=456, Resulting Numbers: [456] 456,44 unequal: No Solution Moving to Node #0,2,4 Current State: 44:[48, 43], Operations: ['74-7=67', '67-24=43'] Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,44 unequal: No Solution Exploring Operation: 48+43=91, Resulting Numbers: [91] 91,44 unequal: No Solution Exploring Operation: 48*43=2064, Resulting Numbers: [2064] 2064,44 unequal: No Solution Moving to Node #0,2,1 Current State: 44:[67, 2], Operations: ['74-7=67', '48/24=2'] Exploring Operation: 67*2=134, Resulting Numbers: [134] 134,44 unequal: No Solution Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,44 unequal: No Solution Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,44 unequal: No Solution Moving to Node #0,2,2 Current State: 44:[67, 24], Operations: ['74-7=67', '48-24=24'] Exploring Operation: 67-24=43, Resulting Numbers: [43] 43,44 unequal: No Solution Exploring Operation: 67+24=91, Resulting Numbers: [91] 91,44 unequal: No Solution Exploring Operation: 67*24=1608, Resulting Numbers: [1608] 1608,44 unequal: No Solution Moving to Node #0,2,3 Current State: 44:[67, 72], Operations: ['74-7=67', '48+24=72'] Exploring Operation: 67*72=4824, Resulting Numbers: [4824] 4824,44 unequal: No Solution Exploring Operation: 72-67=5, Resulting Numbers: [5] 5,44 unequal: No Solution Exploring Operation: 67+72=139, Resulting Numbers: [139] 139,44 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 Current State: 44:[74, 7, 2], Operations: ['48/24=2'] Exploring Operation: 7+2=9, Resulting Numbers: [74, 9] Generated Node #0,3,0: 44:[74, 9] Operation: 7+2=9 Exploring Operation: 74-7=67, Resulting Numbers: [2, 67] Generated Node #0,3,1: 44:[2, 67] Operation: 74-7=67 Exploring Operation: 7-2=5, Resulting Numbers: [74, 5] Generated Node #0,3,2: 44:[74, 5] Operation: 7-2=5 Exploring Operation: 74/2=37, Resulting Numbers: [7, 37] Generated Node #0,3,3: 44:[7, 37] Operation: 74/2=37 Exploring Operation: 74-2=72, Resulting Numbers: [7, 72] Generated Node #0,3,4: 44:[7, 72] Operation: 74-2=72 Moving to Node #0,3,3 Current State: 44:[7, 37], Operations: ['48/24=2', '74/2=37'] Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,44 unequal: No Solution Exploring Operation: 7*37=259, Resulting Numbers: [259] 259,44 unequal: No Solution Exploring Operation: 7+37=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[74, 48, 7, 24], Operations: [] Exploring Operation: 48/24=2, Resulting Numbers: [74, 7, 2] Generated Node #0,3: 44:[74, 7, 2] Operation: 48/24=2 Moving to Node #0,3 Current State: 44:[74, 7, 2], Operations: ['48/24=2'] Exploring Operation: 74/2=37, Resulting Numbers: [7, 37] Generated Node #0,3,3: 44:[7, 37] Operation: 74/2=37 Moving to Node #0,3,3 Current State: 44:[7, 37], Operations: ['48/24=2', '74/2=37'] Exploring Operation: 7+37=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.93316
hs_5
sum_heuristic
[ 88, 4, 86, 64 ]
18
[ "88-86=2", "64/4=16", "2+16=18" ]
Current State: 18:[88, 4, 86, 64], Operations: [] Exploring Operation: 88-86=2, Resulting Numbers: [4, 64, 2] Generated Node #2: [4, 64, 2] from Operation: 88-86=2 Current State: 18:[4, 64, 2], Operations: ['88-86=2'] Exploring Operation: 64/4=16, Resulting Numbers: [2, 16] Generated Node #3: [2, 16] from Operation: 64/4=16 Current State: 18:[2, 16], Operations: ['88-86=2', '64/4=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[88, 4, 86, 64], Operations: [] Exploring Operation: 88-64=24, Resulting Numbers: [4, 86, 24] Generated Node #0,0: 18:[4, 86, 24] Operation: 88-64=24 Exploring Operation: 86-64=22, Resulting Numbers: [88, 4, 22] Generated Node #0,1: 18:[88, 4, 22] Operation: 86-64=22 Exploring Operation: 88-86=2, Resulting Numbers: [4, 64, 2] Generated Node #0,2: 18:[4, 64, 2] Operation: 88-86=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[4, 64, 2], Operations: ['88-86=2'] Exploring Operation: 64-4=60, Resulting Numbers: [2, 60] Generated Node #0,2,0: 18:[2, 60] Operation: 64-4=60 Exploring Operation: 64/2=32, Resulting Numbers: [4, 32] Generated Node #0,2,1: 18:[4, 32] Operation: 64/2=32 Exploring Operation: 64/4=16, Resulting Numbers: [2, 16] Generated Node #0,2,2: 18:[2, 16] Operation: 64/4=16 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 18:[2, 16], Operations: ['88-86=2', '64/4=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[88, 4, 86, 64], Operations: [] Exploring Operation: 88-86=2, Resulting Numbers: [4, 64, 2] Generated Node #0,2: 18:[4, 64, 2] Operation: 88-86=2 Moving to Node #0,2 Current State: 18:[4, 64, 2], Operations: ['88-86=2'] Exploring Operation: 64/4=16, Resulting Numbers: [2, 16] Generated Node #0,2,2: 18:[2, 16] Operation: 64/4=16 Moving to Node #0,2,2 Current State: 18:[2, 16], Operations: ['88-86=2', '64/4=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 17, 69, 43, 68 ]
61
[ "17+69=86", "68-43=25", "86-25=61" ]
Current State: 61:[17, 69, 43, 68], Operations: [] Exploring Operation: 17+69=86, Resulting Numbers: [43, 68, 86] Generated Node #2: [43, 68, 86] from Operation: 17+69=86 Current State: 61:[43, 68, 86], Operations: ['17+69=86'] Exploring Operation: 68-43=25, Resulting Numbers: [86, 25] Generated Node #3: [86, 25] from Operation: 68-43=25 Current State: 61:[86, 25], Operations: ['17+69=86', '68-43=25'] Exploring Operation: 86-25=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[17, 69, 43, 68], Operations: [] Exploring Operation: 17+43=60, Resulting Numbers: [69, 68, 60] Generated Node #0,0: 61:[69, 68, 60] Operation: 17+43=60 Exploring Operation: 69-17=52, Resulting Numbers: [43, 68, 52] Generated Node #0,1: 61:[43, 68, 52] Operation: 69-17=52 Moving to Node #0,0 Current State: 61:[69, 68, 60], Operations: ['17+43=60'] Exploring Operation: 69-68=1, Resulting Numbers: [60, 1] Generated Node #0,0,0: 61:[60, 1] Operation: 69-68=1 Exploring Operation: 69-60=9, Resulting Numbers: [68, 9] Generated Node #0,0,1: 61:[68, 9] Operation: 69-60=9 Moving to Node #0,1 Current State: 61:[43, 68, 52], Operations: ['69-17=52'] Exploring Operation: 43+52=95, Resulting Numbers: [68, 95] Generated Node #0,1,0: 61:[68, 95] Operation: 43+52=95 Exploring Operation: 68-43=25, Resulting Numbers: [52, 25] Generated Node #0,1,1: 61:[52, 25] Operation: 68-43=25 Moving to Node #0,1,0 Current State: 61:[68, 95], Operations: ['69-17=52', '43+52=95'] Exploring Operation: 68+95=163, Resulting Numbers: [163] 163,61 unequal: No Solution Exploring Operation: 95-68=27, Resulting Numbers: [27] 27,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[52, 25], Operations: ['69-17=52', '68-43=25'] Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,61 unequal: No Solution Exploring Operation: 52+25=77, Resulting Numbers: [77] 77,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[68, 9], Operations: ['17+43=60', '69-60=9'] Exploring Operation: 68+9=77, Resulting Numbers: [77] 77,61 unequal: No Solution Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[60, 1], Operations: ['17+43=60', '69-68=1'] Exploring Operation: 60*1=60, Resulting Numbers: [60] 60,61 unequal: No Solution Exploring Operation: 60+1=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[17, 69, 43, 68], Operations: [] Exploring Operation: 17+43=60, Resulting Numbers: [69, 68, 60] Generated Node #0,0: 61:[69, 68, 60] Operation: 17+43=60 Moving to Node #0,0 Current State: 61:[69, 68, 60], Operations: ['17+43=60'] Exploring Operation: 69-68=1, Resulting Numbers: [60, 1] Generated Node #0,0,0: 61:[60, 1] Operation: 69-68=1 Moving to Node #0,0,0 Current State: 61:[60, 1], Operations: ['17+43=60', '69-68=1'] Exploring Operation: 60+1=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
0.984375
hs_2
sum_heuristic
[ 33, 48, 72, 82 ]
91
[ "33+48=81", "82-72=10", "81+10=91" ]
Current State: 91:[33, 48, 72, 82], Operations: [] Exploring Operation: 33+48=81, Resulting Numbers: [72, 82, 81] Generated Node #2: [72, 82, 81] from Operation: 33+48=81 Current State: 91:[72, 82, 81], Operations: ['33+48=81'] Exploring Operation: 82-72=10, Resulting Numbers: [81, 10] Generated Node #3: [81, 10] from Operation: 82-72=10 Current State: 91:[81, 10], Operations: ['33+48=81', '82-72=10'] Exploring Operation: 81+10=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[33, 48, 72, 82], Operations: [] Exploring Operation: 48-33=15, Resulting Numbers: [72, 82, 15] Generated Node #0,0: 91:[72, 82, 15] Operation: 48-33=15 Moving to Node #0,0 Current State: 91:[72, 82, 15], Operations: ['48-33=15'] Exploring Operation: 82-72=10, Resulting Numbers: [15, 10] Generated Node #0,0,0: 91:[15, 10] Operation: 82-72=10 Moving to Node #0,0,0 Current State: 91:[15, 10], Operations: ['48-33=15', '82-72=10'] Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,91 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 8, 19, 28, 74 ]
74
[ "8+19=27", "28-27=1", "74*1=74" ]
Current State: 74:[8, 19, 28, 74], Operations: [] Exploring Operation: 8+19=27, Resulting Numbers: [28, 74, 27] Generated Node #2: [28, 74, 27] from Operation: 8+19=27 Current State: 74:[28, 74, 27], Operations: ['8+19=27'] Exploring Operation: 28-27=1, Resulting Numbers: [74, 1] Generated Node #3: [74, 1] from Operation: 28-27=1 Current State: 74:[74, 1], Operations: ['8+19=27', '28-27=1'] Exploring Operation: 74*1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[8, 19, 28, 74], Operations: [] Exploring Operation: 28-19=9, Resulting Numbers: [8, 74, 9] Generated Node #0,0: 74:[8, 74, 9] Operation: 28-19=9 Exploring Operation: 19+28=47, Resulting Numbers: [8, 74, 47] Generated Node #0,1: 74:[8, 74, 47] Operation: 19+28=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[8, 74, 9], Operations: ['28-19=9'] Exploring Operation: 9-8=1, Resulting Numbers: [74, 1] Generated Node #0,0,0: 74:[74, 1] Operation: 9-8=1 Exploring Operation: 8*9=72, Resulting Numbers: [74, 72] Generated Node #0,0,1: 74:[74, 72] Operation: 8*9=72 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 74:[74, 1], Operations: ['28-19=9', '9-8=1'] Exploring Operation: 74/1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[8, 19, 28, 74], Operations: [] Exploring Operation: 28-19=9, Resulting Numbers: [8, 74, 9] Generated Node #0,0: 74:[8, 74, 9] Operation: 28-19=9 Moving to Node #0,0 Current State: 74:[8, 74, 9], Operations: ['28-19=9'] Exploring Operation: 9-8=1, Resulting Numbers: [74, 1] Generated Node #0,0,0: 74:[74, 1] Operation: 9-8=1 Moving to Node #0,0,0 Current State: 74:[74, 1], Operations: ['28-19=9', '9-8=1'] Exploring Operation: 74/1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 42, 68, 22, 82 ]
77
[ "42+68=110", "110/22=5", "82-5=77" ]
Current State: 77:[42, 68, 22, 82], Operations: [] Exploring Operation: 42+68=110, Resulting Numbers: [22, 82, 110] Generated Node #2: [22, 82, 110] from Operation: 42+68=110 Current State: 77:[22, 82, 110], Operations: ['42+68=110'] Exploring Operation: 110/22=5, Resulting Numbers: [82, 5] Generated Node #3: [82, 5] from Operation: 110/22=5 Current State: 77:[82, 5], Operations: ['42+68=110', '110/22=5'] Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[42, 68, 22, 82], Operations: [] Exploring Operation: 42-22=20, Resulting Numbers: [68, 82, 20] Generated Node #0,0: 77:[68, 82, 20] Operation: 42-22=20 Exploring Operation: 42+22=64, Resulting Numbers: [68, 82, 64] Generated Node #0,1: 77:[68, 82, 64] Operation: 42+22=64 Moving to Node #0,0 Current State: 77:[68, 82, 20], Operations: ['42-22=20'] Exploring Operation: 82-68=14, Resulting Numbers: [20, 14] Generated Node #0,0,0: 77:[20, 14] Operation: 82-68=14 Exploring Operation: 68+20=88, Resulting Numbers: [82, 88] Generated Node #0,0,1: 77:[82, 88] Operation: 68+20=88 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[20, 14], Operations: ['42-22=20', '82-68=14'] Exploring Operation: 20+14=34, Resulting Numbers: [34] 34,77 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,77 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:[82, 88], Operations: ['42-22=20', '68+20=88'] Exploring Operation: 82+88=170, Resulting Numbers: [170] 170,77 unequal: No Solution Exploring Operation: 88-82=6, Resulting Numbers: [6] 6,77 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:[68, 82, 64], Operations: ['42+22=64'] Exploring Operation: 68-64=4, Resulting Numbers: [82, 4] Generated Node #0,1,0: 77:[82, 4] Operation: 68-64=4 Exploring Operation: 82-68=14, Resulting Numbers: [64, 14] Generated Node #0,1,1: 77:[64, 14] Operation: 82-68=14 Moving to Node #0,1,0 Current State: 77:[82, 4], Operations: ['42+22=64', '68-64=4'] Exploring Operation: 82+4=86, Resulting Numbers: [86] 86,77 unequal: No Solution Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[64, 14], Operations: ['42+22=64', '82-68=14'] Exploring Operation: 64-14=50, Resulting Numbers: [50] 50,77 unequal: No Solution Exploring Operation: 64+14=78, Resulting Numbers: [78] 78,77 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 74, 47, 11, 11 ]
49
[ "74-47=27", "11+11=22", "27+22=49" ]
Current State: 49:[74, 47, 11, 11], Operations: [] Exploring Operation: 74-47=27, Resulting Numbers: [11, 11, 27] Generated Node #2: [11, 11, 27] from Operation: 74-47=27 Current State: 49:[11, 11, 27], Operations: ['74-47=27'] Exploring Operation: 11+11=22, Resulting Numbers: [27, 22] Generated Node #3: [27, 22] from Operation: 11+11=22 Current State: 49:[27, 22], Operations: ['74-47=27', '11+11=22'] Exploring Operation: 27+22=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[74, 47, 11, 11], Operations: [] Exploring Operation: 11-11=0, Resulting Numbers: [74, 47, 0] Generated Node #0,0: 49:[74, 47, 0] Operation: 11-11=0 Exploring Operation: 74-11=63, Resulting Numbers: [47, 11, 63] Generated Node #0,1: 49:[47, 11, 63] Operation: 74-11=63 Exploring Operation: 74-47=27, Resulting Numbers: [11, 11, 27] Generated Node #0,2: 49:[11, 11, 27] Operation: 74-47=27 Exploring Operation: 11/11=1, Resulting Numbers: [74, 47, 1] Generated Node #0,3: 49:[74, 47, 1] Operation: 11/11=1 Exploring Operation: 74-11=63, Resulting Numbers: [47, 11, 63] Generated Node #0,4: 49:[47, 11, 63] Operation: 74-11=63 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[47, 11, 63], Operations: ['74-11=63'] Exploring Operation: 47-11=36, Resulting Numbers: [63, 36] Generated Node #0,1,0: 49:[63, 36] Operation: 47-11=36 Exploring Operation: 63-47=16, Resulting Numbers: [11, 16] Generated Node #0,1,1: 49:[11, 16] Operation: 63-47=16 Exploring Operation: 63-11=52, Resulting Numbers: [47, 52] Generated Node #0,1,2: 49:[47, 52] Operation: 63-11=52 Exploring Operation: 47+11=58, Resulting Numbers: [63, 58] Generated Node #0,1,3: 49:[63, 58] Operation: 47+11=58 Exploring Operation: 11+63=74, Resulting Numbers: [47, 74] Generated Node #0,1,4: 49:[47, 74] Operation: 11+63=74 Moving to Node #0,1,2 Current State: 49:[47, 52], Operations: ['74-11=63', '63-11=52'] Exploring Operation: 52-47=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 47+52=99, Resulting Numbers: [99] 99,49 unequal: No Solution Exploring Operation: 47*52=2444, Resulting Numbers: [2444] 2444,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[11, 16], Operations: ['74-11=63', '63-47=16'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,49 unequal: No Solution Moving to Node #0,1,3 Current State: 49:[63, 58], Operations: ['74-11=63', '47+11=58'] Exploring Operation: 63-58=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 63+58=121, Resulting Numbers: [121] 121,49 unequal: No Solution Exploring Operation: 63*58=3654, Resulting Numbers: [3654] 3654,49 unequal: No Solution Moving to Node #0,1,0 Current State: 49:[63, 36], Operations: ['74-11=63', '47-11=36'] Exploring Operation: 63+36=99, Resulting Numbers: [99] 99,49 unequal: No Solution Exploring Operation: 63-36=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 63*36=2268, Resulting Numbers: [2268] 2268,49 unequal: No Solution Moving to Node #0,1,4 Current State: 49:[47, 74], Operations: ['74-11=63', '11+63=74'] Exploring Operation: 47*74=3478, Resulting Numbers: [3478] 3478,49 unequal: No Solution Exploring Operation: 74-47=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 47+74=121, Resulting Numbers: [121] 121,49 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 #0,4 Current State: 49:[47, 11, 63], Operations: ['74-11=63'] Exploring Operation: 11+63=74, Resulting Numbers: [47, 74] Generated Node #0,4,0: 49:[47, 74] Operation: 11+63=74 Exploring Operation: 47-11=36, Resulting Numbers: [63, 36] Generated Node #0,4,1: 49:[63, 36] Operation: 47-11=36 Exploring Operation: 63-11=52, Resulting Numbers: [47, 52] Generated Node #0,4,2: 49:[47, 52] Operation: 63-11=52 Exploring Operation: 47+11=58, Resulting Numbers: [63, 58] Generated Node #0,4,3: 49:[63, 58] Operation: 47+11=58 Exploring Operation: 63-47=16, Resulting Numbers: [11, 16] Generated Node #0,4,4: 49:[11, 16] Operation: 63-47=16 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 49:[47, 52], Operations: ['74-11=63', '63-11=52'] Exploring Operation: 47*52=2444, Resulting Numbers: [2444] 2444,49 unequal: No Solution Exploring Operation: 47+52=99, Resulting Numbers: [99] 99,49 unequal: No Solution Exploring Operation: 52-47=5, Resulting Numbers: [5] 5,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 49:[11, 16], Operations: ['74-11=63', '63-47=16'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,49 unequal: No Solution Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 49:[63, 58], Operations: ['74-11=63', '47+11=58'] Exploring Operation: 63-58=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 63*58=3654, Resulting Numbers: [3654] 3654,49 unequal: No Solution Exploring Operation: 63+58=121, Resulting Numbers: [121] 121,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 49:[47, 74], Operations: ['74-11=63', '11+63=74'] Exploring Operation: 74-47=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 47*74=3478, Resulting Numbers: [3478] 3478,49 unequal: No Solution Exploring Operation: 47+74=121, Resulting Numbers: [121] 121,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 49:[63, 36], Operations: ['74-11=63', '47-11=36'] Exploring Operation: 63+36=99, Resulting Numbers: [99] 99,49 unequal: No Solution Exploring Operation: 63-36=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 63*36=2268, Resulting Numbers: [2268] 2268,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[11, 11, 27], Operations: ['74-47=27'] Exploring Operation: 27-11=16, Resulting Numbers: [11, 16] Generated Node #0,2,0: 49:[11, 16] Operation: 27-11=16 Exploring Operation: 11+27=38, Resulting Numbers: [11, 38] Generated Node #0,2,1: 49:[11, 38] Operation: 11+27=38 Exploring Operation: 11/11=1, Resulting Numbers: [27, 1] Generated Node #0,2,2: 49:[27, 1] Operation: 11/11=1 Exploring Operation: 27-11=16, Resulting Numbers: [11, 16] Generated Node #0,2,3: 49:[11, 16] Operation: 27-11=16 Exploring Operation: 11+27=38, Resulting Numbers: [11, 38] Generated Node #0,2,4: 49:[11, 38] Operation: 11+27=38 Moving to Node #0,2,0 Current State: 49:[11, 16], Operations: ['74-47=27', '27-11=16'] Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,49 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,49 unequal: No Solution Moving to Node #0,2,3 Current State: 49:[11, 16], Operations: ['74-47=27', '27-11=16'] Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,49 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,49 unequal: No Solution Moving to Node #0,2,1 Current State: 49:[11, 38], Operations: ['74-47=27', '11+27=38'] Exploring Operation: 11*38=418, Resulting Numbers: [418] 418,49 unequal: No Solution Exploring Operation: 11+38=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[74, 47, 11, 11], Operations: [] Exploring Operation: 74-47=27, Resulting Numbers: [11, 11, 27] Generated Node #0,2: 49:[11, 11, 27] Operation: 74-47=27 Moving to Node #0,2 Current State: 49:[11, 11, 27], Operations: ['74-47=27'] Exploring Operation: 11+27=38, Resulting Numbers: [11, 38] Generated Node #0,2,1: 49:[11, 38] Operation: 11+27=38 Moving to Node #0,2,1 Current State: 49:[11, 38], Operations: ['74-47=27', '11+27=38'] Exploring Operation: 11+38=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.946181
hs_5
mult_heuristic
[ 17, 57, 52, 54 ]
66
[ "57-17=40", "52+54=106", "106-40=66" ]
Current State: 66:[17, 57, 52, 54], Operations: [] Exploring Operation: 57-17=40, Resulting Numbers: [52, 54, 40] Generated Node #2: [52, 54, 40] from Operation: 57-17=40 Current State: 66:[52, 54, 40], Operations: ['57-17=40'] Exploring Operation: 52+54=106, Resulting Numbers: [40, 106] Generated Node #3: [40, 106] from Operation: 52+54=106 Current State: 66:[40, 106], Operations: ['57-17=40', '52+54=106'] Exploring Operation: 106-40=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[17, 57, 52, 54], Operations: [] Exploring Operation: 57-52=5, Resulting Numbers: [17, 54, 5] Generated Node #0,0: 66:[17, 54, 5] Operation: 57-52=5 Exploring Operation: 54-52=2, Resulting Numbers: [17, 57, 2] Generated Node #0,1: 66:[17, 57, 2] Operation: 54-52=2 Exploring Operation: 57-54=3, Resulting Numbers: [17, 52, 3] Generated Node #0,2: 66:[17, 52, 3] Operation: 57-54=3 Exploring Operation: 17+52=69, Resulting Numbers: [57, 54, 69] Generated Node #0,3: 66:[57, 54, 69] Operation: 17+52=69 Exploring Operation: 52-17=35, Resulting Numbers: [57, 54, 35] Generated Node #0,4: 66:[57, 54, 35] Operation: 52-17=35 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[17, 57, 2], Operations: ['54-52=2'] Exploring Operation: 57+2=59, Resulting Numbers: [17, 59] Generated Node #0,1,0: 66:[17, 59] Operation: 57+2=59 Exploring Operation: 17+2=19, Resulting Numbers: [57, 19] Generated Node #0,1,1: 66:[57, 19] Operation: 17+2=19 Exploring Operation: 57-17=40, Resulting Numbers: [2, 40] Generated Node #0,1,2: 66:[2, 40] Operation: 57-17=40 Exploring Operation: 17*2=34, Resulting Numbers: [57, 34] Generated Node #0,1,3: 66:[57, 34] Operation: 17*2=34 Exploring Operation: 17+57=74, Resulting Numbers: [2, 74] Generated Node #0,1,4: 66:[2, 74] Operation: 17+57=74 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 66:[2, 40], Operations: ['54-52=2', '57-17=40'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,66 unequal: No Solution Exploring Operation: 2*40=80, Resulting Numbers: [80] 80,66 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,66 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,66 unequal: No Solution No 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: 66:[2, 74], Operations: ['54-52=2', '17+57=74'] Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,66 unequal: No Solution Exploring Operation: 2*74=148, Resulting Numbers: [148] 148,66 unequal: No Solution Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,66 unequal: No Solution Exploring Operation: 2+74=76, Resulting Numbers: [76] 76,66 unequal: No Solution No 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: 66:[57, 34], Operations: ['54-52=2', '17*2=34'] Exploring Operation: 57-34=23, Resulting Numbers: [23] 23,66 unequal: No Solution Exploring Operation: 57+34=91, Resulting Numbers: [91] 91,66 unequal: No Solution Exploring Operation: 57*34=1938, Resulting Numbers: [1938] 1938,66 unequal: No Solution No 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: 66:[17, 59], Operations: ['54-52=2', '57+2=59'] Exploring Operation: 59-17=42, Resulting Numbers: [42] 42,66 unequal: No Solution Exploring Operation: 17*59=1003, Resulting Numbers: [1003] 1003,66 unequal: No Solution Exploring Operation: 17+59=76, Resulting Numbers: [76] 76,66 unequal: No Solution No 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: 66:[57, 19], Operations: ['54-52=2', '17+2=19'] Exploring Operation: 57+19=76, Resulting Numbers: [76] 76,66 unequal: No Solution Exploring Operation: 57*19=1083, Resulting Numbers: [1083] 1083,66 unequal: No Solution Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,66 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[17, 54, 5], Operations: ['57-52=5'] Exploring Operation: 54-17=37, Resulting Numbers: [5, 37] Generated Node #0,0,0: 66:[5, 37] Operation: 54-17=37 Exploring Operation: 17+5=22, Resulting Numbers: [54, 22] Generated Node #0,0,1: 66:[54, 22] Operation: 17+5=22 Exploring Operation: 54+5=59, Resulting Numbers: [17, 59] Generated Node #0,0,2: 66:[17, 59] Operation: 54+5=59 Exploring Operation: 17-5=12, Resulting Numbers: [54, 12] Generated Node #0,0,3: 66:[54, 12] Operation: 17-5=12 Exploring Operation: 17+54=71, Resulting Numbers: [5, 71] Generated Node #0,0,4: 66:[5, 71] Operation: 17+54=71 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[5, 37], Operations: ['57-52=5', '54-17=37'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,66 unequal: No Solution Exploring Operation: 5*37=185, Resulting Numbers: [185] 185,66 unequal: No Solution Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,66 unequal: No Solution No 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: 66:[5, 71], Operations: ['57-52=5', '17+54=71'] Exploring Operation: 5*71=355, Resulting Numbers: [355] 355,66 unequal: No Solution Exploring Operation: 5+71=76, Resulting Numbers: [76] 76,66 unequal: No Solution Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[17, 57, 52, 54], Operations: [] Exploring Operation: 57-52=5, Resulting Numbers: [17, 54, 5] Generated Node #0,0: 66:[17, 54, 5] Operation: 57-52=5 Moving to Node #0,0 Current State: 66:[17, 54, 5], Operations: ['57-52=5'] Exploring Operation: 17+54=71, Resulting Numbers: [5, 71] Generated Node #0,0,4: 66:[5, 71] Operation: 17+54=71 Moving to Node #0,0,4 Current State: 66:[5, 71], Operations: ['57-52=5', '17+54=71'] Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.962674
hs_5
sum_heuristic
[ 95, 62, 85, 12 ]
77
[ "95+85=180", "180/12=15", "62+15=77" ]
Current State: 77:[95, 62, 85, 12], Operations: [] Exploring Operation: 95+85=180, Resulting Numbers: [62, 12, 180] Generated Node #2: [62, 12, 180] from Operation: 95+85=180 Current State: 77:[62, 12, 180], Operations: ['95+85=180'] Exploring Operation: 180/12=15, Resulting Numbers: [62, 15] Generated Node #3: [62, 15] from Operation: 180/12=15 Current State: 77:[62, 15], Operations: ['95+85=180', '180/12=15'] Exploring Operation: 62+15=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[95, 62, 85, 12], Operations: [] Exploring Operation: 95-62=33, Resulting Numbers: [85, 12, 33] Generated Node #0,0: 77:[85, 12, 33] Operation: 95-62=33 Exploring Operation: 95-85=10, Resulting Numbers: [62, 12, 10] Generated Node #0,1: 77:[62, 12, 10] Operation: 95-85=10 Exploring Operation: 62+12=74, Resulting Numbers: [95, 85, 74] Generated Node #0,2: 77:[95, 85, 74] Operation: 62+12=74 Exploring Operation: 85-62=23, Resulting Numbers: [95, 12, 23] Generated Node #0,3: 77:[95, 12, 23] Operation: 85-62=23 Exploring Operation: 95-12=83, Resulting Numbers: [62, 85, 83] Generated Node #0,4: 77:[62, 85, 83] Operation: 95-12=83 Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[62, 12, 10], Operations: ['95-85=10'] Exploring Operation: 62+12=74, Resulting Numbers: [10, 74] Generated Node #0,1,0: 77:[10, 74] Operation: 62+12=74 Exploring Operation: 12+10=22, Resulting Numbers: [62, 22] Generated Node #0,1,1: 77:[62, 22] Operation: 12+10=22 Exploring Operation: 62+10=72, Resulting Numbers: [12, 72] Generated Node #0,1,2: 77:[12, 72] Operation: 62+10=72 Exploring Operation: 62-10=52, Resulting Numbers: [12, 52] Generated Node #0,1,3: 77:[12, 52] Operation: 62-10=52 Exploring Operation: 12-10=2, Resulting Numbers: [62, 2] Generated Node #0,1,4: 77:[62, 2] Operation: 12-10=2 Moving to Node #0,1,0 Current State: 77:[10, 74], Operations: ['95-85=10', '62+12=74'] Exploring Operation: 10+74=84, Resulting Numbers: [84] 84,77 unequal: No Solution Exploring Operation: 10*74=740, Resulting Numbers: [740] 740,77 unequal: No Solution Exploring Operation: 74-10=64, Resulting Numbers: [64] 64,77 unequal: No Solution Moving to Node #0,1,2 Current State: 77:[12, 72], Operations: ['95-85=10', '62+10=72'] Exploring Operation: 12*72=864, Resulting Numbers: [864] 864,77 unequal: No Solution Exploring Operation: 72/12=6, Resulting Numbers: [6] 6,77 unequal: No Solution Exploring Operation: 72-12=60, Resulting Numbers: [60] 60,77 unequal: No Solution Exploring Operation: 12+72=84, Resulting Numbers: [84] 84,77 unequal: No Solution Moving to Node #0,1,4 Current State: 77:[62, 2], Operations: ['95-85=10', '12-10=2'] Exploring Operation: 62*2=124, Resulting Numbers: [124] 124,77 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,77 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,77 unequal: No Solution Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[62, 22], Operations: ['95-85=10', '12+10=22'] Exploring Operation: 62-22=40, Resulting Numbers: [40] 40,77 unequal: No Solution Exploring Operation: 62*22=1364, Resulting Numbers: [1364] 1364,77 unequal: No Solution Exploring Operation: 62+22=84, Resulting Numbers: [84] 84,77 unequal: No Solution Moving to Node #0,1,3 Current State: 77:[12, 52], Operations: ['95-85=10', '62-10=52'] Exploring Operation: 12*52=624, Resulting Numbers: [624] 624,77 unequal: No Solution Exploring Operation: 12+52=64, Resulting Numbers: [64] 64,77 unequal: No Solution Exploring Operation: 52-12=40, Resulting Numbers: [40] 40,77 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 Current State: 77:[95, 85, 74], Operations: ['62+12=74'] Exploring Operation: 85-74=11, Resulting Numbers: [95, 11] Generated Node #0,2,0: 77:[95, 11] Operation: 85-74=11 Exploring Operation: 95+74=169, Resulting Numbers: [85, 169] Generated Node #0,2,1: 77:[85, 169] Operation: 95+74=169 Exploring Operation: 95-74=21, Resulting Numbers: [85, 21] Generated Node #0,2,2: 77:[85, 21] Operation: 95-74=21 Exploring Operation: 95-85=10, Resulting Numbers: [74, 10] Generated Node #0,2,3: 77:[74, 10] Operation: 95-85=10 Exploring Operation: 85+74=159, Resulting Numbers: [95, 159] Generated Node #0,2,4: 77:[95, 159] Operation: 85+74=159 Moving to Node #0,2,3 Current State: 77:[74, 10], Operations: ['62+12=74', '95-85=10'] Exploring Operation: 74*10=740, Resulting Numbers: [740] 740,77 unequal: No Solution Exploring Operation: 74-10=64, Resulting Numbers: [64] 64,77 unequal: No Solution Exploring Operation: 74+10=84, Resulting Numbers: [84] 84,77 unequal: No Solution Moving to Node #0,2,2 Current State: 77:[85, 21], Operations: ['62+12=74', '95-74=21'] Exploring Operation: 85*21=1785, Resulting Numbers: [1785] 1785,77 unequal: No Solution Exploring Operation: 85-21=64, Resulting Numbers: [64] 64,77 unequal: No Solution Exploring Operation: 85+21=106, Resulting Numbers: [106] 106,77 unequal: No Solution Moving to Node #0,2,0 Current State: 77:[95, 11], Operations: ['62+12=74', '85-74=11'] Exploring Operation: 95-11=84, Resulting Numbers: [84] 84,77 unequal: No Solution Exploring Operation: 95+11=106, Resulting Numbers: [106] 106,77 unequal: No Solution Exploring Operation: 95*11=1045, Resulting Numbers: [1045] 1045,77 unequal: No Solution Moving to Node #0,2,1 Current State: 77:[85, 169], Operations: ['62+12=74', '95+74=169'] Exploring Operation: 85+169=254, Resulting Numbers: [254] 254,77 unequal: No Solution Exploring Operation: 169-85=84, Resulting Numbers: [84] 84,77 unequal: No Solution Exploring Operation: 85*169=14365, Resulting Numbers: [14365] 14365,77 unequal: No Solution Moving to Node #0,2,4 Current State: 77:[95, 159], Operations: ['62+12=74', '85+74=159'] Exploring Operation: 95*159=15105, Resulting Numbers: [15105] 15105,77 unequal: No Solution Exploring Operation: 95+159=254, Resulting Numbers: [254] 254,77 unequal: No Solution Exploring Operation: 159-95=64, Resulting Numbers: [64] 64,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 77:[62, 85, 83], Operations: ['95-12=83'] Exploring Operation: 83-62=21, Resulting Numbers: [85, 21] Generated Node #0,4,0: 77:[85, 21] Operation: 83-62=21 Exploring Operation: 85-83=2, Resulting Numbers: [62, 2] Generated Node #0,4,1: 77:[62, 2] Operation: 85-83=2 Exploring Operation: 62+85=147, Resulting Numbers: [83, 147] Generated Node #0,4,2: 77:[83, 147] Operation: 62+85=147 Exploring Operation: 85-62=23, Resulting Numbers: [83, 23] Generated Node #0,4,3: 77:[83, 23] Operation: 85-62=23 Exploring Operation: 62+83=145, Resulting Numbers: [85, 145] Generated Node #0,4,4: 77:[85, 145] Operation: 62+83=145 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 77:[85, 21], Operations: ['95-12=83', '83-62=21'] Exploring Operation: 85*21=1785, Resulting Numbers: [1785] 1785,77 unequal: No Solution Exploring Operation: 85-21=64, Resulting Numbers: [64] 64,77 unequal: No Solution Exploring Operation: 85+21=106, Resulting Numbers: [106] 106,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 77:[83, 23], Operations: ['95-12=83', '85-62=23'] Exploring Operation: 83*23=1909, Resulting Numbers: [1909] 1909,77 unequal: No Solution Exploring Operation: 83+23=106, Resulting Numbers: [106] 106,77 unequal: No Solution Exploring Operation: 83-23=60, Resulting Numbers: [60] 60,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 77:[62, 2], Operations: ['95-12=83', '85-83=2'] Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,77 unequal: No Solution Exploring Operation: 62*2=124, Resulting Numbers: [124] 124,77 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,77 unequal: No Solution Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 77:[83, 147], Operations: ['95-12=83', '62+85=147'] Exploring Operation: 83+147=230, Resulting Numbers: [230] 230,77 unequal: No Solution Exploring Operation: 83*147=12201, Resulting Numbers: [12201] 12201,77 unequal: No Solution Exploring Operation: 147-83=64, Resulting Numbers: [64] 64,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 77:[85, 145], Operations: ['95-12=83', '62+83=145'] Exploring Operation: 85*145=12325, Resulting Numbers: [12325] 12325,77 unequal: No Solution Exploring Operation: 85+145=230, Resulting Numbers: [230] 230,77 unequal: No Solution Exploring Operation: 145-85=60, Resulting Numbers: [60] 60,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[85, 12, 33], Operations: ['95-62=33'] Exploring Operation: 85-33=52, Resulting Numbers: [12, 52] Generated Node #0,0,0: 77:[12, 52] Operation: 85-33=52 Exploring Operation: 85+12=97, Resulting Numbers: [33, 97] Generated Node #0,0,1: 77:[33, 97] Operation: 85+12=97 Exploring Operation: 33-12=21, Resulting Numbers: [85, 21] Generated Node #0,0,2: 77:[85, 21] Operation: 33-12=21 Exploring Operation: 85-12=73, Resulting Numbers: [33, 73] Generated Node #0,0,3: 77:[33, 73] Operation: 85-12=73 Exploring Operation: 12+33=45, Resulting Numbers: [85, 45] Generated Node #0,0,4: 77:[85, 45] Operation: 12+33=45 Moving to Node #0,0,2 Current State: 77:[85, 21], Operations: ['95-62=33', '33-12=21'] Exploring Operation: 85-21=64, Resulting Numbers: [64] 64,77 unequal: No Solution Exploring Operation: 85*21=1785, Resulting Numbers: [1785] 1785,77 unequal: No Solution Exploring Operation: 85+21=106, Resulting Numbers: [106] 106,77 unequal: No Solution Moving to Node #0,0,3 Current State: 77:[33, 73], Operations: ['95-62=33', '85-12=73'] Exploring Operation: 33*73=2409, Resulting Numbers: [2409] 2409,77 unequal: No Solution Exploring Operation: 73-33=40, Resulting Numbers: [40] 40,77 unequal: No Solution Exploring Operation: 33+73=106, Resulting Numbers: [106] 106,77 unequal: No Solution Moving to Node #0,0,0 Current State: 77:[12, 52], Operations: ['95-62=33', '85-33=52'] Exploring Operation: 12*52=624, Resulting Numbers: [624] 624,77 unequal: No Solution Exploring Operation: 12+52=64, Resulting Numbers: [64] 64,77 unequal: No Solution Exploring Operation: 52-12=40, Resulting Numbers: [40] 40,77 unequal: No Solution Moving to Node #0,0,4 Current State: 77:[85, 45], Operations: ['95-62=33', '12+33=45'] Exploring Operation: 85*45=3825, Resulting Numbers: [3825] 3825,77 unequal: No Solution Exploring Operation: 85+45=130, Resulting Numbers: [130] 130,77 unequal: No Solution Exploring Operation: 85-45=40, Resulting Numbers: [40] 40,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[33, 97], Operations: ['95-62=33', '85+12=97'] Exploring Operation: 97-33=64, Resulting Numbers: [64] 64,77 unequal: No Solution Exploring Operation: 33*97=3201, Resulting Numbers: [3201] 3201,77 unequal: No Solution Exploring Operation: 33+97=130, Resulting Numbers: [130] 130,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 77:[95, 12, 23], Operations: ['85-62=23'] Exploring Operation: 95-23=72, Resulting Numbers: [12, 72] Generated Node #0,3,0: 77:[12, 72] Operation: 95-23=72 Exploring Operation: 95+23=118, Resulting Numbers: [12, 118] Generated Node #0,3,1: 77:[12, 118] Operation: 95+23=118 Exploring Operation: 95-12=83, Resulting Numbers: [23, 83] Generated Node #0,3,2: 77:[23, 83] Operation: 95-12=83 Exploring Operation: 23-12=11, Resulting Numbers: [95, 11] Generated Node #0,3,3: 77:[95, 11] Operation: 23-12=11 Exploring Operation: 95+12=107, Resulting Numbers: [23, 107] Generated Node #0,3,4: 77:[23, 107] Operation: 95+12=107 Moving to Node #0,3,0 Current State: 77:[12, 72], Operations: ['85-62=23', '95-23=72'] Exploring Operation: 12+72=84, Resulting Numbers: [84] 84,77 unequal: No Solution Exploring Operation: 12*72=864, Resulting Numbers: [864] 864,77 unequal: No Solution Exploring Operation: 72-12=60, Resulting Numbers: [60] 60,77 unequal: No Solution Exploring Operation: 72/12=6, Resulting Numbers: [6] 6,77 unequal: No Solution Moving to Node #0,3,3 Current State: 77:[95, 11], Operations: ['85-62=23', '23-12=11'] Exploring Operation: 95+11=106, Resulting Numbers: [106] 106,77 unequal: No Solution Exploring Operation: 95-11=84, Resulting Numbers: [84] 84,77 unequal: No Solution Exploring Operation: 95*11=1045, Resulting Numbers: [1045] 1045,77 unequal: No Solution Moving to Node #0,3,2 Current State: 77:[23, 83], Operations: ['85-62=23', '95-12=83'] Exploring Operation: 23*83=1909, Resulting Numbers: [1909] 1909,77 unequal: No Solution Exploring Operation: 23+83=106, Resulting Numbers: [106] 106,77 unequal: No Solution Exploring Operation: 83-23=60, Resulting Numbers: [60] 60,77 unequal: No Solution Moving to Node #0,3,1 Current State: 77:[12, 118], Operations: ['85-62=23', '95+23=118'] Exploring Operation: 12+118=130, Resulting Numbers: [130] 130,77 unequal: No Solution Exploring Operation: 12*118=1416, Resulting Numbers: [1416] 1416,77 unequal: No Solution Exploring Operation: 118-12=106, Resulting Numbers: [106] 106,77 unequal: No Solution Moving to Node #0,3,4 Current State: 77:[23, 107], Operations: ['85-62=23', '95+12=107'] Exploring Operation: 107-23=84, Resulting Numbers: [84] 84,77 unequal: No Solution Exploring Operation: 23*107=2461, Resulting Numbers: [2461] 2461,77 unequal: No Solution Exploring Operation: 23+107=130, Resulting Numbers: [130] 130,77 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
[ 95, 79, 98, 64 ]
69
[ "98-79=19", "95/19=5", "64+5=69" ]
Current State: 69:[95, 79, 98, 64], Operations: [] Exploring Operation: 98-79=19, Resulting Numbers: [95, 64, 19] Generated Node #2: [95, 64, 19] from Operation: 98-79=19 Current State: 69:[95, 64, 19], Operations: ['98-79=19'] Exploring Operation: 95/19=5, Resulting Numbers: [64, 5] Generated Node #3: [64, 5] from Operation: 95/19=5 Current State: 69:[64, 5], Operations: ['98-79=19', '95/19=5'] Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[95, 79, 98, 64], Operations: [] Exploring Operation: 98-79=19, Resulting Numbers: [95, 64, 19] Generated Node #0,0: 69:[95, 64, 19] Operation: 98-79=19 Exploring Operation: 98-95=3, Resulting Numbers: [79, 64, 3] Generated Node #0,1: 69:[79, 64, 3] Operation: 98-95=3 Moving to Node #0,1 Current State: 69:[79, 64, 3], Operations: ['98-95=3'] Exploring Operation: 79-3=76, Resulting Numbers: [64, 76] Generated Node #0,1,0: 69:[64, 76] Operation: 79-3=76 Exploring Operation: 79-64=15, Resulting Numbers: [3, 15] Generated Node #0,1,1: 69:[3, 15] Operation: 79-64=15 Moving to Node #0,0 Current State: 69:[95, 64, 19], Operations: ['98-79=19'] Exploring Operation: 95-64=31, Resulting Numbers: [19, 31] Generated Node #0,0,0: 69:[19, 31] Operation: 95-64=31 Exploring Operation: 95/19=5, Resulting Numbers: [64, 5] Generated Node #0,0,1: 69:[64, 5] Operation: 95/19=5 Moving to Node #0,0,1 Current State: 69:[64, 5], Operations: ['98-79=19', '95/19=5'] Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[95, 79, 98, 64], Operations: [] Exploring Operation: 98-79=19, Resulting Numbers: [95, 64, 19] Generated Node #0,0: 69:[95, 64, 19] Operation: 98-79=19 Moving to Node #0,0 Current State: 69:[95, 64, 19], Operations: ['98-79=19'] Exploring Operation: 95/19=5, Resulting Numbers: [64, 5] Generated Node #0,0,1: 69:[64, 5] Operation: 95/19=5 Moving to Node #0,0,1 Current State: 69:[64, 5], Operations: ['98-79=19', '95/19=5'] Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 21, 11, 48, 51 ]
34
[ "21+11=32", "51*32=1632", "1632/48=34" ]
Current State: 34:[21, 11, 48, 51], Operations: [] Exploring Operation: 21+11=32, Resulting Numbers: [48, 51, 32] Generated Node #2: [48, 51, 32] from Operation: 21+11=32 Current State: 34:[48, 51, 32], Operations: ['21+11=32'] Exploring Operation: 51*32=1632, Resulting Numbers: [48, 1632] Generated Node #3: [48, 1632] from Operation: 51*32=1632 Current State: 34:[48, 1632], Operations: ['21+11=32', '51*32=1632'] Exploring Operation: 1632/48=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[21, 11, 48, 51], Operations: [] Exploring Operation: 51-48=3, Resulting Numbers: [21, 11, 3] Generated Node #0,0: 34:[21, 11, 3] Operation: 51-48=3 Exploring Operation: 48-11=37, Resulting Numbers: [21, 51, 37] Generated Node #0,1: 34:[21, 51, 37] Operation: 48-11=37 Exploring Operation: 51-21=30, Resulting Numbers: [11, 48, 30] Generated Node #0,2: 34:[11, 48, 30] Operation: 51-21=30 Exploring Operation: 48-21=27, Resulting Numbers: [11, 51, 27] Generated Node #0,3: 34:[11, 51, 27] Operation: 48-21=27 Exploring Operation: 51-11=40, Resulting Numbers: [21, 48, 40] Generated Node #0,4: 34:[21, 48, 40] Operation: 51-11=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[21, 11, 3], Operations: ['51-48=3'] Exploring Operation: 11*3=33, Resulting Numbers: [21, 33] Generated Node #0,0,0: 34:[21, 33] Operation: 11*3=33 Exploring Operation: 21+11=32, Resulting Numbers: [3, 32] Generated Node #0,0,1: 34:[3, 32] Operation: 21+11=32 Exploring Operation: 11+3=14, Resulting Numbers: [21, 14] Generated Node #0,0,2: 34:[21, 14] Operation: 11+3=14 Exploring Operation: 21-11=10, Resulting Numbers: [3, 10] Generated Node #0,0,3: 34:[3, 10] Operation: 21-11=10 Exploring Operation: 21-3=18, Resulting Numbers: [11, 18] Generated Node #0,0,4: 34:[11, 18] Operation: 21-3=18 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[3, 32], Operations: ['51-48=3', '21+11=32'] Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,34 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,34 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[21, 33], Operations: ['51-48=3', '11*3=33'] Exploring Operation: 21*33=693, Resulting Numbers: [693] 693,34 unequal: No Solution Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 21+33=54, Resulting Numbers: [54] 54,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 34:[21, 14], Operations: ['51-48=3', '11+3=14'] Exploring Operation: 21+14=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 21*14=294, Resulting Numbers: [294] 294,34 unequal: No Solution Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 34:[11, 18], Operations: ['51-48=3', '21-3=18'] Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 11*18=198, Resulting Numbers: [198] 198,34 unequal: No Solution Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 34:[3, 10], Operations: ['51-48=3', '21-11=10'] Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,34 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[21, 51, 37], Operations: ['48-11=37'] Exploring Operation: 51-21=30, Resulting Numbers: [37, 30] Generated Node #0,1,0: 34:[37, 30] Operation: 51-21=30 Exploring Operation: 51-37=14, Resulting Numbers: [21, 14] Generated Node #0,1,1: 34:[21, 14] Operation: 51-37=14 Exploring Operation: 21+51=72, Resulting Numbers: [37, 72] Generated Node #0,1,2: 34:[37, 72] Operation: 21+51=72 Exploring Operation: 37-21=16, Resulting Numbers: [51, 16] Generated Node #0,1,3: 34:[51, 16] Operation: 37-21=16 Exploring Operation: 21+37=58, Resulting Numbers: [51, 58] Generated Node #0,1,4: 34:[51, 58] Operation: 21+37=58 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 34:[37, 30], Operations: ['48-11=37', '51-21=30'] Exploring Operation: 37*30=1110, Resulting Numbers: [1110] 1110,34 unequal: No Solution Exploring Operation: 37+30=67, Resulting Numbers: [67] 67,34 unequal: No Solution Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 34:[21, 14], Operations: ['48-11=37', '51-37=14'] Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 21*14=294, Resulting Numbers: [294] 294,34 unequal: No Solution Exploring Operation: 21+14=35, Resulting Numbers: [35] 35,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 34:[51, 16], Operations: ['48-11=37', '37-21=16'] Exploring Operation: 51+16=67, Resulting Numbers: [67] 67,34 unequal: No Solution Exploring Operation: 51*16=816, Resulting Numbers: [816] 816,34 unequal: No Solution Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 34:[37, 72], Operations: ['48-11=37', '21+51=72'] Exploring Operation: 72-37=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 37+72=109, Resulting Numbers: [109] 109,34 unequal: No Solution Exploring Operation: 37*72=2664, Resulting Numbers: [2664] 2664,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 34:[51, 58], Operations: ['48-11=37', '21+37=58'] Exploring Operation: 51*58=2958, Resulting Numbers: [2958] 2958,34 unequal: No Solution Exploring Operation: 58-51=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 51+58=109, Resulting Numbers: [109] 109,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[11, 48, 30], Operations: ['51-21=30'] Exploring Operation: 48-30=18, Resulting Numbers: [11, 18] Generated Node #0,2,0: 34:[11, 18] Operation: 48-30=18 Exploring Operation: 30-11=19, Resulting Numbers: [48, 19] Generated Node #0,2,1: 34:[48, 19] Operation: 30-11=19 Exploring Operation: 11+30=41, Resulting Numbers: [48, 41] Generated Node #0,2,2: 34:[48, 41] Operation: 11+30=41 Exploring Operation: 48-11=37, Resulting Numbers: [30, 37] Generated Node #0,2,3: 34:[30, 37] Operation: 48-11=37 Exploring Operation: 11+48=59, Resulting Numbers: [30, 59] Generated Node #0,2,4: 34:[30, 59] Operation: 11+48=59 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 34:[11, 18], Operations: ['51-21=30', '48-30=18'] Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,34 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 11*18=198, Resulting Numbers: [198] 198,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 34:[30, 37], Operations: ['51-21=30', '48-11=37'] Exploring Operation: 30*37=1110, Resulting Numbers: [1110] 1110,34 unequal: No Solution Exploring Operation: 30+37=67, Resulting Numbers: [67] 67,34 unequal: No Solution Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 34:[48, 19], Operations: ['51-21=30', '30-11=19'] Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,34 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,34 unequal: No Solution Exploring Operation: 48*19=912, Resulting Numbers: [912] 912,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 34:[48, 41], Operations: ['51-21=30', '11+30=41'] Exploring Operation: 48+41=89, Resulting Numbers: [89] 89,34 unequal: No Solution Exploring Operation: 48*41=1968, Resulting Numbers: [1968] 1968,34 unequal: No Solution Exploring Operation: 48-41=7, Resulting Numbers: [7] 7,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 34:[30, 59], Operations: ['51-21=30', '11+48=59'] Exploring Operation: 30*59=1770, Resulting Numbers: [1770] 1770,34 unequal: No Solution Exploring Operation: 59-30=29, Resulting Numbers: [29] 29,34 unequal: No Solution Exploring Operation: 30+59=89, Resulting Numbers: [89] 89,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 34:[21, 48, 40], Operations: ['51-11=40'] Exploring Operation: 21+48=69, Resulting Numbers: [40, 69] Generated Node #0,4,0: 34:[40, 69] Operation: 21+48=69 Exploring Operation: 40-21=19, Resulting Numbers: [48, 19] Generated Node #0,4,1: 34:[48, 19] Operation: 40-21=19 Exploring Operation: 48-21=27, Resulting Numbers: [40, 27] Generated Node #0,4,2: 34:[40, 27] Operation: 48-21=27 Exploring Operation: 21+40=61, Resulting Numbers: [48, 61] Generated Node #0,4,3: 34:[48, 61] Operation: 21+40=61 Exploring Operation: 48-40=8, Resulting Numbers: [21, 8] Generated Node #0,4,4: 34:[21, 8] Operation: 48-40=8 Moving to Node #0,4,4 Current State: 34:[21, 8], Operations: ['51-11=40', '48-40=8'] Exploring Operation: 21*8=168, Resulting Numbers: [168] 168,34 unequal: No Solution Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,34 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,34 unequal: No Solution Moving to Node #0,4,2 Current State: 34:[40, 27], Operations: ['51-11=40', '48-21=27'] Exploring Operation: 40-27=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 40+27=67, Resulting Numbers: [67] 67,34 unequal: No Solution Exploring Operation: 40*27=1080, Resulting Numbers: [1080] 1080,34 unequal: No Solution Moving to Node #0,4,1 Current State: 34:[48, 19], Operations: ['51-11=40', '40-21=19'] Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,34 unequal: No Solution Exploring Operation: 48*19=912, Resulting Numbers: [912] 912,34 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,34 unequal: No Solution Moving to Node #0,4,0 Current State: 34:[40, 69], Operations: ['51-11=40', '21+48=69'] Exploring Operation: 40+69=109, Resulting Numbers: [109] 109,34 unequal: No Solution Exploring Operation: 69-40=29, Resulting Numbers: [29] 29,34 unequal: No Solution Exploring Operation: 40*69=2760, Resulting Numbers: [2760] 2760,34 unequal: No Solution Moving to Node #0,4,3 Current State: 34:[48, 61], Operations: ['51-11=40', '21+40=61'] Exploring Operation: 48*61=2928, Resulting Numbers: [2928] 2928,34 unequal: No Solution Exploring Operation: 61-48=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 48+61=109, Resulting Numbers: [109] 109,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 34:[11, 51, 27], Operations: ['48-21=27'] Exploring Operation: 11+51=62, Resulting Numbers: [27, 62] Generated Node #0,3,0: 34:[27, 62] Operation: 11+51=62 Exploring Operation: 11+27=38, Resulting Numbers: [51, 38] Generated Node #0,3,1: 34:[51, 38] Operation: 11+27=38 Exploring Operation: 51-11=40, Resulting Numbers: [27, 40] Generated Node #0,3,2: 34:[27, 40] Operation: 51-11=40 Exploring Operation: 51-27=24, Resulting Numbers: [11, 24] Generated Node #0,3,3: 34:[11, 24] Operation: 51-27=24 Exploring Operation: 27-11=16, Resulting Numbers: [51, 16] Generated Node #0,3,4: 34:[51, 16] Operation: 27-11=16 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 34:[27, 40], Operations: ['48-21=27', '51-11=40'] Exploring Operation: 27*40=1080, Resulting Numbers: [1080] 1080,34 unequal: No Solution Exploring Operation: 27+40=67, Resulting Numbers: [67] 67,34 unequal: No Solution Exploring Operation: 40-27=13, Resulting Numbers: [13] 13,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 34:[11, 24], Operations: ['48-21=27', '51-27=24'] Exploring Operation: 11+24=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 11*24=264, Resulting Numbers: [264] 264,34 unequal: No Solution Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 34:[51, 16], Operations: ['48-21=27', '27-11=16'] Exploring Operation: 51*16=816, Resulting Numbers: [816] 816,34 unequal: No Solution Exploring Operation: 51+16=67, Resulting Numbers: [67] 67,34 unequal: No Solution Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 34:[51, 38], Operations: ['48-21=27', '11+27=38'] Exploring Operation: 51-38=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 51*38=1938, Resulting Numbers: [1938] 1938,34 unequal: No Solution Exploring Operation: 51+38=89, Resulting Numbers: [89] 89,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 34:[27, 62], Operations: ['48-21=27', '11+51=62'] Exploring Operation: 27*62=1674, Resulting Numbers: [1674] 1674,34 unequal: No Solution Exploring Operation: 62-27=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 27+62=89, Resulting Numbers: [89] 89,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 78, 45, 68, 26 ]
75
[ "78-45=33", "68-26=42", "33+42=75" ]
Current State: 75:[78, 45, 68, 26], Operations: [] Exploring Operation: 78-45=33, Resulting Numbers: [68, 26, 33] Generated Node #2: [68, 26, 33] from Operation: 78-45=33 Current State: 75:[68, 26, 33], Operations: ['78-45=33'] Exploring Operation: 68-26=42, Resulting Numbers: [33, 42] Generated Node #3: [33, 42] from Operation: 68-26=42 Current State: 75:[33, 42], Operations: ['78-45=33', '68-26=42'] Exploring Operation: 33+42=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[78, 45, 68, 26], Operations: [] Exploring Operation: 68-45=23, Resulting Numbers: [78, 26, 23] Generated Node #0,0: 75:[78, 26, 23] Operation: 68-45=23 Exploring Operation: 78-45=33, Resulting Numbers: [68, 26, 33] Generated Node #0,1: 75:[68, 26, 33] Operation: 78-45=33 Exploring Operation: 45-26=19, Resulting Numbers: [78, 68, 19] Generated Node #0,2: 75:[78, 68, 19] Operation: 45-26=19 Exploring Operation: 45+26=71, Resulting Numbers: [78, 68, 71] Generated Node #0,3: 75:[78, 68, 71] Operation: 45+26=71 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[78, 26, 23], Operations: ['68-45=23'] Exploring Operation: 78/26=3, Resulting Numbers: [23, 3] Generated Node #0,0,0: 75:[23, 3] Operation: 78/26=3 Exploring Operation: 26-23=3, Resulting Numbers: [78, 3] Generated Node #0,0,1: 75:[78, 3] Operation: 26-23=3 Exploring Operation: 78-26=52, Resulting Numbers: [23, 52] Generated Node #0,0,2: 75:[23, 52] Operation: 78-26=52 Exploring Operation: 78-23=55, Resulting Numbers: [26, 55] Generated Node #0,0,3: 75:[26, 55] Operation: 78-23=55 Moving to Node #0,0,0 Current State: 75:[23, 3], Operations: ['68-45=23', '78/26=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 23*3=69, Resulting Numbers: [69] 69,75 unequal: No Solution Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[78, 3], Operations: ['68-45=23', '26-23=3'] Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[78, 45, 68, 26], Operations: [] Exploring Operation: 68-45=23, Resulting Numbers: [78, 26, 23] Generated Node #0,0: 75:[78, 26, 23] Operation: 68-45=23 Moving to Node #0,0 Current State: 75:[78, 26, 23], Operations: ['68-45=23'] Exploring Operation: 26-23=3, Resulting Numbers: [78, 3] Generated Node #0,0,1: 75:[78, 3] Operation: 26-23=3 Moving to Node #0,0,1 Current State: 75:[78, 3], Operations: ['68-45=23', '26-23=3'] Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 10, 25, 38, 87 ]
84
[ "10+25=35", "87-38=49", "35+49=84" ]
Current State: 84:[10, 25, 38, 87], Operations: [] Exploring Operation: 10+25=35, Resulting Numbers: [38, 87, 35] Generated Node #2: [38, 87, 35] from Operation: 10+25=35 Current State: 84:[38, 87, 35], Operations: ['10+25=35'] Exploring Operation: 87-38=49, Resulting Numbers: [35, 49] Generated Node #3: [35, 49] from Operation: 87-38=49 Current State: 84:[35, 49], Operations: ['10+25=35', '87-38=49'] Exploring Operation: 35+49=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[10, 25, 38, 87], Operations: [] Exploring Operation: 38-10=28, Resulting Numbers: [25, 87, 28] Generated Node #0,0: 84:[25, 87, 28] Operation: 38-10=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[25, 87, 28], Operations: ['38-10=28'] Exploring Operation: 28-25=3, Resulting Numbers: [87, 3] Generated Node #0,0,0: 84:[87, 3] Operation: 28-25=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 84:[87, 3], Operations: ['38-10=28', '28-25=3'] Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[10, 25, 38, 87], Operations: [] Exploring Operation: 38-10=28, Resulting Numbers: [25, 87, 28] Generated Node #0,0: 84:[25, 87, 28] Operation: 38-10=28 Moving to Node #0,0 Current State: 84:[25, 87, 28], Operations: ['38-10=28'] Exploring Operation: 28-25=3, Resulting Numbers: [87, 3] Generated Node #0,0,0: 84:[87, 3] Operation: 28-25=3 Moving to Node #0,0,0 Current State: 84:[87, 3], Operations: ['38-10=28', '28-25=3'] Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 16, 65, 38, 13 ]
27
[ "38-16=22", "65/13=5", "22+5=27" ]
Current State: 27:[16, 65, 38, 13], Operations: [] Exploring Operation: 38-16=22, Resulting Numbers: [65, 13, 22] Generated Node #2: [65, 13, 22] from Operation: 38-16=22 Current State: 27:[65, 13, 22], Operations: ['38-16=22'] Exploring Operation: 65/13=5, Resulting Numbers: [22, 5] Generated Node #3: [22, 5] from Operation: 65/13=5 Current State: 27:[22, 5], Operations: ['38-16=22', '65/13=5'] Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[16, 65, 38, 13], Operations: [] Exploring Operation: 65-38=27, Resulting Numbers: [16, 13, 27] Generated Node #0,0: 27:[16, 13, 27] Operation: 65-38=27 Moving to Node #0,0 Current State: 27:[16, 13, 27], Operations: ['65-38=27'] Exploring Operation: 16-13=3, Resulting Numbers: [27, 3] Generated Node #0,0,0: 27:[27, 3] Operation: 16-13=3 Moving to Node #0,0,0 Current State: 27:[27, 3], Operations: ['65-38=27', '16-13=3'] Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,27 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 29, 3, 8, 38 ]
11
[ "38-29=9", "9/3=3", "8+3=11" ]
Current State: 11:[29, 3, 8, 38], Operations: [] Exploring Operation: 38-29=9, Resulting Numbers: [3, 8, 9] Generated Node #2: [3, 8, 9] from Operation: 38-29=9 Current State: 11:[3, 8, 9], Operations: ['38-29=9'] Exploring Operation: 9/3=3, Resulting Numbers: [8, 3] Generated Node #3: [8, 3] from Operation: 9/3=3 Current State: 11:[8, 3], Operations: ['38-29=9', '9/3=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[29, 3, 8, 38], Operations: [] Exploring Operation: 29-3=26, Resulting Numbers: [8, 38, 26] Generated Node #0,0: 11:[8, 38, 26] Operation: 29-3=26 Exploring Operation: 29-8=21, Resulting Numbers: [3, 38, 21] Generated Node #0,1: 11:[3, 38, 21] Operation: 29-8=21 Exploring Operation: 38-29=9, Resulting Numbers: [3, 8, 9] Generated Node #0,2: 11:[3, 8, 9] Operation: 38-29=9 Exploring Operation: 3+8=11, Resulting Numbers: [29, 38, 11] Generated Node #0,3: 11:[29, 38, 11] Operation: 3+8=11 Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[3, 8, 9], Operations: ['38-29=9'] Exploring Operation: 3+8=11, Resulting Numbers: [9, 11] Generated Node #0,2,0: 11:[9, 11] Operation: 3+8=11 Exploring Operation: 8-3=5, Resulting Numbers: [9, 5] Generated Node #0,2,1: 11:[9, 5] Operation: 8-3=5 Exploring Operation: 9-3=6, Resulting Numbers: [8, 6] Generated Node #0,2,2: 11:[8, 6] Operation: 9-3=6 Exploring Operation: 3+9=12, Resulting Numbers: [8, 12] Generated Node #0,2,3: 11:[8, 12] Operation: 3+9=12 Moving to Node #0,2,0 Current State: 11:[9, 11], Operations: ['38-29=9', '3+8=11'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,11 unequal: No Solution Moving to Node #0,2,3 Current State: 11:[8, 12], Operations: ['38-29=9', '3+9=12'] Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,11 unequal: No Solution Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,11 unequal: No Solution Moving to Node #0,2,2 Current State: 11:[8, 6], Operations: ['38-29=9', '9-3=6'] Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,11 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,11 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,11 unequal: No Solution Moving to Node #0,2,1 Current State: 11:[9, 5], Operations: ['38-29=9', '8-3=5'] Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,11 unequal: No Solution Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,11 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,11 unequal: No Solution No 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: 11:[8, 38, 26], Operations: ['29-3=26'] Exploring Operation: 38-26=12, Resulting Numbers: [8, 12] Generated Node #0,0,0: 11:[8, 12] Operation: 38-26=12 Exploring Operation: 26-8=18, Resulting Numbers: [38, 18] Generated Node #0,0,1: 11:[38, 18] Operation: 26-8=18 Exploring Operation: 8+38=46, Resulting Numbers: [26, 46] Generated Node #0,0,2: 11:[26, 46] Operation: 8+38=46 Exploring Operation: 38-8=30, Resulting Numbers: [26, 30] Generated Node #0,0,3: 11:[26, 30] Operation: 38-8=30 Moving to Node #0,0,0 Current State: 11:[8, 12], Operations: ['29-3=26', '38-26=12'] Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,11 unequal: No Solution Moving to Node #0,0,3 Current State: 11:[26, 30], Operations: ['29-3=26', '38-8=30'] Exploring Operation: 26*30=780, Resulting Numbers: [780] 780,11 unequal: No Solution Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,11 unequal: No Solution Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,11 unequal: No Solution Moving to Node #0,0,1 Current State: 11:[38, 18], Operations: ['29-3=26', '26-8=18'] Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,11 unequal: No Solution Exploring Operation: 38*18=684, Resulting Numbers: [684] 684,11 unequal: No Solution Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,11 unequal: No Solution Moving to Node #0,0,2 Current State: 11:[26, 46], Operations: ['29-3=26', '8+38=46'] Exploring Operation: 26*46=1196, Resulting Numbers: [1196] 1196,11 unequal: No Solution Exploring Operation: 26+46=72, Resulting Numbers: [72] 72,11 unequal: No Solution Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,11 unequal: No Solution No 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: 11:[3, 38, 21], Operations: ['29-8=21'] Exploring Operation: 38-21=17, Resulting Numbers: [3, 17] Generated Node #0,1,0: 11:[3, 17] Operation: 38-21=17 Exploring Operation: 21-3=18, Resulting Numbers: [38, 18] Generated Node #0,1,1: 11:[38, 18] Operation: 21-3=18 Exploring Operation: 38-3=35, Resulting Numbers: [21, 35] Generated Node #0,1,2: 11:[21, 35] Operation: 38-3=35 Exploring Operation: 21/3=7, Resulting Numbers: [38, 7] Generated Node #0,1,3: 11:[38, 7] Operation: 21/3=7 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[3, 17], Operations: ['29-8=21', '38-21=17'] Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,11 unequal: No Solution No 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: 11:[38, 7], Operations: ['29-8=21', '21/3=7'] Exploring Operation: 38*7=266, Resulting Numbers: [266] 266,11 unequal: No Solution Exploring Operation: 38+7=45, Resulting Numbers: [45] 45,11 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,11 unequal: No Solution No 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: 11:[38, 18], Operations: ['29-8=21', '21-3=18'] Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 38*18=684, Resulting Numbers: [684] 684,11 unequal: No Solution Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,11 unequal: No Solution No 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: 11:[21, 35], Operations: ['29-8=21', '38-3=35'] Exploring Operation: 21*35=735, Resulting Numbers: [735] 735,11 unequal: No Solution Exploring Operation: 35-21=14, Resulting Numbers: [14] 14,11 unequal: No Solution Exploring Operation: 21+35=56, Resulting Numbers: [56] 56,11 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: 11:[29, 38, 11], Operations: ['3+8=11'] Exploring Operation: 38-29=9, Resulting Numbers: [11, 9] Generated Node #0,3,0: 11:[11, 9] Operation: 38-29=9 Exploring Operation: 29+38=67, Resulting Numbers: [11, 67] Generated Node #0,3,1: 11:[11, 67] Operation: 29+38=67 Exploring Operation: 29-11=18, Resulting Numbers: [38, 18] Generated Node #0,3,2: 11:[38, 18] Operation: 29-11=18 Exploring Operation: 38-11=27, Resulting Numbers: [29, 27] Generated Node #0,3,3: 11:[29, 27] Operation: 38-11=27 Moving to Node #0,3,0 Current State: 11:[11, 9], Operations: ['3+8=11', '38-29=9'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,11 unequal: No Solution Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,11 unequal: No Solution Moving to Node #0,3,3 Current State: 11:[29, 27], Operations: ['3+8=11', '38-11=27'] Exploring Operation: 29-27=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 29*27=783, Resulting Numbers: [783] 783,11 unequal: No Solution Exploring Operation: 29+27=56, Resulting Numbers: [56] 56,11 unequal: No Solution Moving to Node #0,3,2 Current State: 11:[38, 18], Operations: ['3+8=11', '29-11=18'] Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 38*18=684, Resulting Numbers: [684] 684,11 unequal: No Solution Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,11 unequal: No Solution Moving to Node #0,3,1 Current State: 11:[11, 67], Operations: ['3+8=11', '29+38=67'] Exploring Operation: 11+67=78, Resulting Numbers: [78] 78,11 unequal: No Solution Exploring Operation: 11*67=737, Resulting Numbers: [737] 737,11 unequal: No Solution Exploring Operation: 67-11=56, Resulting Numbers: [56] 56,11 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
[ 93, 3, 93, 15 ]
48
[ "93/93=1", "15+1=16", "3*16=48" ]
Current State: 48:[93, 3, 93, 15], Operations: [] Exploring Operation: 93/93=1, Resulting Numbers: [3, 15, 1] Generated Node #2: [3, 15, 1] from Operation: 93/93=1 Current State: 48:[3, 15, 1], Operations: ['93/93=1'] Exploring Operation: 15+1=16, Resulting Numbers: [3, 16] Generated Node #3: [3, 16] from Operation: 15+1=16 Current State: 48:[3, 16], Operations: ['93/93=1', '15+1=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[93, 3, 93, 15], Operations: [] Exploring Operation: 93/93=1, Resulting Numbers: [3, 15, 1] Generated Node #0,0: 48:[3, 15, 1] Operation: 93/93=1 Moving to Node #0,0 Current State: 48:[3, 15, 1], Operations: ['93/93=1'] Exploring Operation: 15+1=16, Resulting Numbers: [3, 16] Generated Node #0,0,0: 48:[3, 16] Operation: 15+1=16 Moving to Node #0,0,0 Current State: 48:[3, 16], Operations: ['93/93=1', '15+1=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[93, 3, 93, 15], Operations: [] Exploring Operation: 93/93=1, Resulting Numbers: [3, 15, 1] Generated Node #0,0: 48:[3, 15, 1] Operation: 93/93=1 Moving to Node #0,0 Current State: 48:[3, 15, 1], Operations: ['93/93=1'] Exploring Operation: 15+1=16, Resulting Numbers: [3, 16] Generated Node #0,0,0: 48:[3, 16] Operation: 15+1=16 Moving to Node #0,0,0 Current State: 48:[3, 16], Operations: ['93/93=1', '15+1=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 30, 41, 42, 83 ]
52
[ "41-30=11", "83-42=41", "11+41=52" ]
Current State: 52:[30, 41, 42, 83], Operations: [] Exploring Operation: 41-30=11, Resulting Numbers: [42, 83, 11] Generated Node #2: [42, 83, 11] from Operation: 41-30=11 Current State: 52:[42, 83, 11], Operations: ['41-30=11'] Exploring Operation: 83-42=41, Resulting Numbers: [11, 41] Generated Node #3: [11, 41] from Operation: 83-42=41 Current State: 52:[11, 41], Operations: ['41-30=11', '83-42=41'] Exploring Operation: 11+41=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[30, 41, 42, 83], Operations: [] Exploring Operation: 83-30=53, Resulting Numbers: [41, 42, 53] Generated Node #0,0: 52:[41, 42, 53] Operation: 83-30=53 Exploring Operation: 83-41=42, Resulting Numbers: [30, 42, 42] Generated Node #0,1: 52:[30, 42, 42] Operation: 83-41=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[41, 42, 53], Operations: ['83-30=53'] Exploring Operation: 42-41=1, Resulting Numbers: [53, 1] Generated Node #0,0,0: 52:[53, 1] Operation: 42-41=1 Exploring Operation: 53-41=12, Resulting Numbers: [42, 12] Generated Node #0,0,1: 52:[42, 12] Operation: 53-41=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[53, 1], Operations: ['83-30=53', '42-41=1'] Exploring Operation: 53*1=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:[30, 41, 42, 83], Operations: [] Exploring Operation: 83-30=53, Resulting Numbers: [41, 42, 53] Generated Node #0,0: 52:[41, 42, 53] Operation: 83-30=53 Moving to Node #0,0 Current State: 52:[41, 42, 53], Operations: ['83-30=53'] Exploring Operation: 42-41=1, Resulting Numbers: [53, 1] Generated Node #0,0,0: 52:[53, 1] Operation: 42-41=1 Moving to Node #0,0,0 Current State: 52:[53, 1], Operations: ['83-30=53', '42-41=1'] 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
0.991319
hs_2
mult_heuristic
[ 98, 37, 55, 49 ]
90
[ "98/49=2", "37+55=92", "92-2=90" ]
Current State: 90:[98, 37, 55, 49], Operations: [] Exploring Operation: 98/49=2, Resulting Numbers: [37, 55, 2] Generated Node #2: [37, 55, 2] from Operation: 98/49=2 Current State: 90:[37, 55, 2], Operations: ['98/49=2'] Exploring Operation: 37+55=92, Resulting Numbers: [2, 92] Generated Node #3: [2, 92] from Operation: 37+55=92 Current State: 90:[2, 92], Operations: ['98/49=2', '37+55=92'] Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[98, 37, 55, 49], Operations: [] Exploring Operation: 55-37=18, Resulting Numbers: [98, 49, 18] Generated Node #0,0: 90:[98, 49, 18] Operation: 55-37=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[98, 49, 18], Operations: ['55-37=18'] Exploring Operation: 98/49=2, Resulting Numbers: [18, 2] Generated Node #0,0,0: 90:[18, 2] Operation: 98/49=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[18, 2], Operations: ['55-37=18', '98/49=2'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 14, 65, 19, 17 ]
37
[ "19-17=2", "14*2=28", "65-28=37" ]
Current State: 37:[14, 65, 19, 17], Operations: [] Exploring Operation: 19-17=2, Resulting Numbers: [14, 65, 2] Generated Node #2: [14, 65, 2] from Operation: 19-17=2 Current State: 37:[14, 65, 2], Operations: ['19-17=2'] Exploring Operation: 14*2=28, Resulting Numbers: [65, 28] Generated Node #3: [65, 28] from Operation: 14*2=28 Current State: 37:[65, 28], Operations: ['19-17=2', '14*2=28'] Exploring Operation: 65-28=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[14, 65, 19, 17], Operations: [] Exploring Operation: 14+19=33, Resulting Numbers: [65, 17, 33] Generated Node #0,0: 37:[65, 17, 33] Operation: 14+19=33 Exploring Operation: 14+17=31, Resulting Numbers: [65, 19, 31] Generated Node #0,1: 37:[65, 19, 31] Operation: 14+17=31 Exploring Operation: 65-14=51, Resulting Numbers: [19, 17, 51] Generated Node #0,2: 37:[19, 17, 51] Operation: 65-14=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[65, 17, 33], Operations: ['14+19=33'] Exploring Operation: 17+33=50, Resulting Numbers: [65, 50] Generated Node #0,0,0: 37:[65, 50] Operation: 17+33=50 Exploring Operation: 65-33=32, Resulting Numbers: [17, 32] Generated Node #0,0,1: 37:[17, 32] Operation: 65-33=32 Exploring Operation: 65-17=48, Resulting Numbers: [33, 48] Generated Node #0,0,2: 37:[33, 48] Operation: 65-17=48 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 37:[33, 48], Operations: ['14+19=33', '65-17=48'] Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 33*48=1584, Resulting Numbers: [1584] 1584,37 unequal: No Solution Exploring Operation: 33+48=81, Resulting Numbers: [81] 81,37 unequal: No Solution No 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: 37:[17, 32], Operations: ['14+19=33', '65-33=32'] Exploring Operation: 17*32=544, Resulting Numbers: [544] 544,37 unequal: No Solution Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 17+32=49, Resulting Numbers: [49] 49,37 unequal: No Solution No 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: 37:[65, 50], Operations: ['14+19=33', '17+33=50'] Exploring Operation: 65+50=115, Resulting Numbers: [115] 115,37 unequal: No Solution Exploring Operation: 65*50=3250, Resulting Numbers: [3250] 3250,37 unequal: No Solution Exploring Operation: 65-50=15, Resulting Numbers: [15] 15,37 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: 37:[65, 19, 31], Operations: ['14+17=31'] Exploring Operation: 65-31=34, Resulting Numbers: [19, 34] Generated Node #0,1,0: 37:[19, 34] Operation: 65-31=34 Exploring Operation: 19+31=50, Resulting Numbers: [65, 50] Generated Node #0,1,1: 37:[65, 50] Operation: 19+31=50 Exploring Operation: 65-19=46, Resulting Numbers: [31, 46] Generated Node #0,1,2: 37:[31, 46] Operation: 65-19=46 Moving to Node #0,1,2 Current State: 37:[31, 46], Operations: ['14+17=31', '65-19=46'] Exploring Operation: 46-31=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 31*46=1426, Resulting Numbers: [1426] 1426,37 unequal: No Solution Exploring Operation: 31+46=77, Resulting Numbers: [77] 77,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[19, 34], Operations: ['14+17=31', '65-31=34'] Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 19+34=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 19*34=646, Resulting Numbers: [646] 646,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[65, 50], Operations: ['14+17=31', '19+31=50'] Exploring Operation: 65-50=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 65+50=115, Resulting Numbers: [115] 115,37 unequal: No Solution Exploring Operation: 65*50=3250, Resulting Numbers: [3250] 3250,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[19, 17, 51], Operations: ['65-14=51'] Exploring Operation: 51-19=32, Resulting Numbers: [17, 32] Generated Node #0,2,0: 37:[17, 32] Operation: 51-19=32 Exploring Operation: 51-17=34, Resulting Numbers: [19, 34] Generated Node #0,2,1: 37:[19, 34] Operation: 51-17=34 Exploring Operation: 19+17=36, Resulting Numbers: [51, 36] Generated Node #0,2,2: 37:[51, 36] Operation: 19+17=36 Moving to Node #0,2,2 Current State: 37:[51, 36], Operations: ['65-14=51', '19+17=36'] Exploring Operation: 51+36=87, Resulting Numbers: [87] 87,37 unequal: No Solution Exploring Operation: 51-36=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 51*36=1836, Resulting Numbers: [1836] 1836,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[19, 34], Operations: ['65-14=51', '51-17=34'] Exploring Operation: 19+34=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 19*34=646, Resulting Numbers: [646] 646,37 unequal: No Solution Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,37 unequal: No Solution Moving to Node #0,2,0 Current State: 37:[17, 32], Operations: ['65-14=51', '51-19=32'] Exploring Operation: 17*32=544, Resulting Numbers: [544] 544,37 unequal: No Solution Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 17+32=49, Resulting Numbers: [49] 49,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 23, 94, 78, 7 ]
89
[ "94-78=16", "7*16=112", "112-23=89" ]
Current State: 89:[23, 94, 78, 7], Operations: [] Exploring Operation: 94-78=16, Resulting Numbers: [23, 7, 16] Generated Node #2: [23, 7, 16] from Operation: 94-78=16 Current State: 89:[23, 7, 16], Operations: ['94-78=16'] Exploring Operation: 7*16=112, Resulting Numbers: [23, 112] Generated Node #3: [23, 112] from Operation: 7*16=112 Current State: 89:[23, 112], Operations: ['94-78=16', '7*16=112'] Exploring Operation: 112-23=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[23, 94, 78, 7], Operations: [] Exploring Operation: 23+7=30, Resulting Numbers: [94, 78, 30] Generated Node #0,0: 89:[94, 78, 30] Operation: 23+7=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[94, 78, 30], Operations: ['23+7=30'] Exploring Operation: 78+30=108, Resulting Numbers: [94, 108] Generated Node #0,0,0: 89:[94, 108] Operation: 78+30=108 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[94, 108], Operations: ['23+7=30', '78+30=108'] Exploring Operation: 108-94=14, Resulting Numbers: [14] 14,89 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
[ 33, 53, 85, 66 ]
25
[ "33*66=2178", "2178-53=2125", "2125/85=25" ]
Current State: 25:[33, 53, 85, 66], Operations: [] Exploring Operation: 33*66=2178, Resulting Numbers: [53, 85, 2178] Generated Node #2: [53, 85, 2178] from Operation: 33*66=2178 Current State: 25:[53, 85, 2178], Operations: ['33*66=2178'] Exploring Operation: 2178-53=2125, Resulting Numbers: [85, 2125] Generated Node #3: [85, 2125] from Operation: 2178-53=2125 Current State: 25:[85, 2125], Operations: ['33*66=2178', '2178-53=2125'] Exploring Operation: 2125/85=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[33, 53, 85, 66], Operations: [] Exploring Operation: 66-53=13, Resulting Numbers: [33, 85, 13] Generated Node #0,0: 25:[33, 85, 13] Operation: 66-53=13 Exploring Operation: 66/33=2, Resulting Numbers: [53, 85, 2] Generated Node #0,1: 25:[53, 85, 2] Operation: 66/33=2 Exploring Operation: 85-53=32, Resulting Numbers: [33, 66, 32] Generated Node #0,2: 25:[33, 66, 32] Operation: 85-53=32 Exploring Operation: 85-66=19, Resulting Numbers: [33, 53, 19] Generated Node #0,3: 25:[33, 53, 19] Operation: 85-66=19 Exploring Operation: 85-33=52, Resulting Numbers: [53, 66, 52] Generated Node #0,4: 25:[53, 66, 52] Operation: 85-33=52 Moving to Node #0,3 Current State: 25:[33, 53, 19], Operations: ['85-66=19'] Exploring Operation: 33+19=52, Resulting Numbers: [53, 52] Generated Node #0,3,0: 25:[53, 52] Operation: 33+19=52 Exploring Operation: 53+19=72, Resulting Numbers: [33, 72] Generated Node #0,3,1: 25:[33, 72] Operation: 53+19=72 Exploring Operation: 53-19=34, Resulting Numbers: [33, 34] Generated Node #0,3,2: 25:[33, 34] Operation: 53-19=34 Exploring Operation: 53-33=20, Resulting Numbers: [19, 20] Generated Node #0,3,3: 25:[19, 20] Operation: 53-33=20 Exploring Operation: 33-19=14, Resulting Numbers: [53, 14] Generated Node #0,3,4: 25:[53, 14] Operation: 33-19=14 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 25:[19, 20], Operations: ['85-66=19', '53-33=20'] Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 19*20=380, Resulting Numbers: [380] 380,25 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 #0,3,2 Current State: 25:[33, 34], Operations: ['85-66=19', '53-19=34'] Exploring Operation: 33+34=67, Resulting Numbers: [67] 67,25 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 33*34=1122, Resulting Numbers: [1122] 1122,25 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 #0,3,4 Current State: 25:[53, 14], Operations: ['85-66=19', '33-19=14'] Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 53*14=742, Resulting Numbers: [742] 742,25 unequal: No Solution Exploring Operation: 53+14=67, Resulting Numbers: [67] 67,25 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 #0,3,0 Current State: 25:[53, 52], Operations: ['85-66=19', '33+19=52'] Exploring Operation: 53-52=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 53+52=105, Resulting Numbers: [105] 105,25 unequal: No Solution Exploring Operation: 53*52=2756, Resulting Numbers: [2756] 2756,25 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 #0,3,1 Current State: 25:[33, 72], Operations: ['85-66=19', '53+19=72'] Exploring Operation: 72-33=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 33+72=105, Resulting Numbers: [105] 105,25 unequal: No Solution Exploring Operation: 33*72=2376, Resulting Numbers: [2376] 2376,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 25:[33, 66, 32], Operations: ['85-53=32'] Exploring Operation: 66-32=34, Resulting Numbers: [33, 34] Generated Node #0,2,0: 25:[33, 34] Operation: 66-32=34 Exploring Operation: 66-33=33, Resulting Numbers: [32, 33] Generated Node #0,2,1: 25:[32, 33] Operation: 66-33=33 Exploring Operation: 33-32=1, Resulting Numbers: [66, 1] Generated Node #0,2,2: 25:[66, 1] Operation: 33-32=1 Exploring Operation: 33+66=99, Resulting Numbers: [32, 99] Generated Node #0,2,3: 25:[32, 99] Operation: 33+66=99 Exploring Operation: 66/33=2, Resulting Numbers: [32, 2] Generated Node #0,2,4: 25:[32, 2] Operation: 66/33=2 Moving to Node #0,0 Current State: 25:[33, 85, 13], Operations: ['66-53=13'] Exploring Operation: 85-13=72, Resulting Numbers: [33, 72] Generated Node #0,0,0: 25:[33, 72] Operation: 85-13=72 Exploring Operation: 33-13=20, Resulting Numbers: [85, 20] Generated Node #0,0,1: 25:[85, 20] Operation: 33-13=20 Exploring Operation: 33+13=46, Resulting Numbers: [85, 46] Generated Node #0,0,2: 25:[85, 46] Operation: 33+13=46 Exploring Operation: 85-33=52, Resulting Numbers: [13, 52] Generated Node #0,0,3: 25:[13, 52] Operation: 85-33=52 Exploring Operation: 85+13=98, Resulting Numbers: [33, 98] Generated Node #0,0,4: 25:[33, 98] Operation: 85+13=98 Moving to Node #0,1 Current State: 25:[53, 85, 2], Operations: ['66/33=2'] Exploring Operation: 53+2=55, Resulting Numbers: [85, 55] Generated Node #0,1,0: 25:[85, 55] Operation: 53+2=55 Exploring Operation: 85-53=32, Resulting Numbers: [2, 32] Generated Node #0,1,1: 25:[2, 32] Operation: 85-53=32 Exploring Operation: 85+2=87, Resulting Numbers: [53, 87] Generated Node #0,1,2: 25:[53, 87] Operation: 85+2=87 Exploring Operation: 85-2=83, Resulting Numbers: [53, 83] Generated Node #0,1,3: 25:[53, 83] Operation: 85-2=83 Exploring Operation: 53-2=51, Resulting Numbers: [85, 51] Generated Node #0,1,4: 25:[85, 51] Operation: 53-2=51 Moving to Node #0,4 Current State: 25:[53, 66, 52], Operations: ['85-33=52'] Exploring Operation: 66-53=13, Resulting Numbers: [52, 13] Generated Node #0,4,0: 25:[52, 13] Operation: 66-53=13 Exploring Operation: 66-52=14, Resulting Numbers: [53, 14] Generated Node #0,4,1: 25:[53, 14] Operation: 66-52=14 Exploring Operation: 53+66=119, Resulting Numbers: [52, 119] Generated Node #0,4,2: 25:[52, 119] Operation: 53+66=119 Exploring Operation: 53-52=1, Resulting Numbers: [66, 1] Generated Node #0,4,3: 25:[66, 1] Operation: 53-52=1 Exploring Operation: 53+52=105, Resulting Numbers: [66, 105] Generated Node #0,4,4: 25:[66, 105] Operation: 53+52=105 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 25:[52, 13], Operations: ['85-33=52', '66-53=13'] Exploring Operation: 52+13=65, Resulting Numbers: [65] 65,25 unequal: No Solution Exploring Operation: 52*13=676, Resulting Numbers: [676] 676,25 unequal: No Solution Exploring Operation: 52/13=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 52-13=39, Resulting Numbers: [39] 39,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 25:[53, 14], Operations: ['85-33=52', '66-52=14'] Exploring Operation: 53*14=742, Resulting Numbers: [742] 742,25 unequal: No Solution Exploring Operation: 53+14=67, Resulting Numbers: [67] 67,25 unequal: No Solution Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 25:[66, 1], Operations: ['85-33=52', '53-52=1'] Exploring Operation: 66+1=67, Resulting Numbers: [67] 67,25 unequal: No Solution Exploring Operation: 66/1=66, Resulting Numbers: [66] 66,25 unequal: No Solution Exploring Operation: 66-1=65, Resulting Numbers: [65] 65,25 unequal: No Solution Exploring Operation: 66*1=66, Resulting Numbers: [66] 66,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 25:[52, 119], Operations: ['85-33=52', '53+66=119'] Exploring Operation: 52*119=6188, Resulting Numbers: [6188] 6188,25 unequal: No Solution Exploring Operation: 119-52=67, Resulting Numbers: [67] 67,25 unequal: No Solution Exploring Operation: 52+119=171, Resulting Numbers: [171] 171,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 25:[66, 105], Operations: ['85-33=52', '53+52=105'] Exploring Operation: 66+105=171, Resulting Numbers: [171] 171,25 unequal: No Solution Exploring Operation: 66*105=6930, Resulting Numbers: [6930] 6930,25 unequal: No Solution Exploring Operation: 105-66=39, Resulting Numbers: [39] 39,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,4 Current State: 25:[32, 2], Operations: ['85-53=32', '66/33=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,25 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,25 unequal: No Solution Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[2, 32], Operations: ['66/33=2', '85-53=32'] Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,25 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,25 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[32, 33], Operations: ['85-53=32', '66-33=33'] Exploring Operation: 32*33=1056, Resulting Numbers: [1056] 1056,25 unequal: No Solution Exploring Operation: 32+33=65, Resulting Numbers: [65] 65,25 unequal: No Solution Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[33, 34], Operations: ['85-53=32', '66-32=34'] Exploring Operation: 33*34=1122, Resulting Numbers: [1122] 1122,25 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 33+34=67, Resulting Numbers: [67] 67,25 unequal: No Solution Moving to Node #0,0,3 Current State: 25:[13, 52], Operations: ['66-53=13', '85-33=52'] Exploring Operation: 52/13=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 13+52=65, Resulting Numbers: [65] 65,25 unequal: No Solution Exploring Operation: 13*52=676, Resulting Numbers: [676] 676,25 unequal: No Solution Exploring Operation: 52-13=39, Resulting Numbers: [39] 39,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[66, 1], Operations: ['85-53=32', '33-32=1'] Exploring Operation: 66+1=67, Resulting Numbers: [67] 67,25 unequal: No Solution Exploring Operation: 66*1=66, Resulting Numbers: [66] 66,25 unequal: No Solution Exploring Operation: 66/1=66, Resulting Numbers: [66] 66,25 unequal: No Solution Exploring Operation: 66-1=65, Resulting Numbers: [65] 65,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[33, 72], Operations: ['66-53=13', '85-13=72'] Exploring Operation: 33*72=2376, Resulting Numbers: [2376] 2376,25 unequal: No Solution Exploring Operation: 33+72=105, Resulting Numbers: [105] 105,25 unequal: No Solution Exploring Operation: 72-33=39, Resulting Numbers: [39] 39,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[85, 20], Operations: ['66-53=13', '33-13=20'] Exploring Operation: 85*20=1700, Resulting Numbers: [1700] 1700,25 unequal: No Solution Exploring Operation: 85+20=105, Resulting Numbers: [105] 105,25 unequal: No Solution Exploring Operation: 85-20=65, Resulting Numbers: [65] 65,25 unequal: No Solution Moving to Node #0,0,4 Current State: 25:[33, 98], Operations: ['66-53=13', '85+13=98'] Exploring Operation: 98-33=65, Resulting Numbers: [65] 65,25 unequal: No Solution Exploring Operation: 33+98=131, Resulting Numbers: [131] 131,25 unequal: No Solution Exploring Operation: 33*98=3234, Resulting Numbers: [3234] 3234,25 unequal: No Solution Moving to Node #0,2,3 Current State: 25:[32, 99], Operations: ['85-53=32', '33+66=99'] Exploring Operation: 99-32=67, Resulting Numbers: [67] 67,25 unequal: No Solution Exploring Operation: 32+99=131, Resulting Numbers: [131] 131,25 unequal: No Solution Exploring Operation: 32*99=3168, Resulting Numbers: [3168] 3168,25 unequal: No Solution Moving to Node #0,0,2 Current State: 25:[85, 46], Operations: ['66-53=13', '33+13=46'] Exploring Operation: 85-46=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 85+46=131, Resulting Numbers: [131] 131,25 unequal: No Solution Exploring Operation: 85*46=3910, Resulting Numbers: [3910] 3910,25 unequal: No Solution Moving to Node #0,1,4 Current State: 25:[85, 51], Operations: ['66/33=2', '53-2=51'] Exploring Operation: 85*51=4335, Resulting Numbers: [4335] 4335,25 unequal: No Solution Exploring Operation: 85+51=136, Resulting Numbers: [136] 136,25 unequal: No Solution Exploring Operation: 85-51=34, Resulting Numbers: [34] 34,25 unequal: No Solution Moving to Node #0,1,3 Current State: 25:[53, 83], Operations: ['66/33=2', '85-2=83'] Exploring Operation: 53*83=4399, Resulting Numbers: [4399] 4399,25 unequal: No Solution Exploring Operation: 83-53=30, Resulting Numbers: [30] 30,25 unequal: No Solution Exploring Operation: 53+83=136, Resulting Numbers: [136] 136,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[85, 55], Operations: ['66/33=2', '53+2=55'] Exploring Operation: 85+55=140, Resulting Numbers: [140] 140,25 unequal: No Solution Exploring Operation: 85*55=4675, Resulting Numbers: [4675] 4675,25 unequal: No Solution Exploring Operation: 85-55=30, Resulting Numbers: [30] 30,25 unequal: No Solution Moving to Node #0,1,2 Current State: 25:[53, 87], Operations: ['66/33=2', '85+2=87'] Exploring Operation: 53+87=140, Resulting Numbers: [140] 140,25 unequal: No Solution Exploring Operation: 87-53=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 53*87=4611, Resulting Numbers: [4611] 4611,25 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 7, 98, 75, 80 ]
63
[ "80-75=5", "7*5=35", "98-35=63" ]
Current State: 63:[7, 98, 75, 80], Operations: [] Exploring Operation: 80-75=5, Resulting Numbers: [7, 98, 5] Generated Node #2: [7, 98, 5] from Operation: 80-75=5 Current State: 63:[7, 98, 5], Operations: ['80-75=5'] Exploring Operation: 7*5=35, Resulting Numbers: [98, 35] Generated Node #3: [98, 35] from Operation: 7*5=35 Current State: 63:[98, 35], Operations: ['80-75=5', '7*5=35'] Exploring Operation: 98-35=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[7, 98, 75, 80], Operations: [] Exploring Operation: 98-80=18, Resulting Numbers: [7, 75, 18] Generated Node #0,0: 63:[7, 75, 18] Operation: 98-80=18 Moving to Node #0,0 Current State: 63:[7, 75, 18], Operations: ['98-80=18'] Exploring Operation: 75-18=57, Resulting Numbers: [7, 57] Generated Node #0,0,0: 63:[7, 57] Operation: 75-18=57 Moving to Node #0,0,0 Current State: 63:[7, 57], Operations: ['98-80=18', '75-18=57'] Exploring Operation: 7+57=64, Resulting Numbers: [64] 64,63 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 42, 5, 34, 58 ]
71
[ "42+5=47", "58-34=24", "47+24=71" ]
Current State: 71:[42, 5, 34, 58], Operations: [] Exploring Operation: 42+5=47, Resulting Numbers: [34, 58, 47] Generated Node #2: [34, 58, 47] from Operation: 42+5=47 Current State: 71:[34, 58, 47], Operations: ['42+5=47'] Exploring Operation: 58-34=24, Resulting Numbers: [47, 24] Generated Node #3: [47, 24] from Operation: 58-34=24 Current State: 71:[47, 24], Operations: ['42+5=47', '58-34=24'] Exploring Operation: 47+24=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[42, 5, 34, 58], Operations: [] Exploring Operation: 42+5=47, Resulting Numbers: [34, 58, 47] Generated Node #0,0: 71:[34, 58, 47] Operation: 42+5=47 Exploring Operation: 5+58=63, Resulting Numbers: [42, 34, 63] Generated Node #0,1: 71:[42, 34, 63] Operation: 5+58=63 Exploring Operation: 5+34=39, Resulting Numbers: [42, 58, 39] Generated Node #0,2: 71:[42, 58, 39] Operation: 5+34=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[34, 58, 47], Operations: ['42+5=47'] Exploring Operation: 58-34=24, Resulting Numbers: [47, 24] Generated Node #0,0,0: 71:[47, 24] Operation: 58-34=24 Exploring Operation: 34+47=81, Resulting Numbers: [58, 81] Generated Node #0,0,1: 71:[58, 81] Operation: 34+47=81 Exploring Operation: 34+58=92, Resulting Numbers: [47, 92] Generated Node #0,0,2: 71:[47, 92] Operation: 34+58=92 Moving to Node #0,0,1 Current State: 71:[58, 81], Operations: ['42+5=47', '34+47=81'] Exploring Operation: 81-58=23, Resulting Numbers: [23] 23,71 unequal: No Solution Exploring Operation: 58*81=4698, Resulting Numbers: [4698] 4698,71 unequal: No Solution Exploring Operation: 58+81=139, Resulting Numbers: [139] 139,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[47, 92], Operations: ['42+5=47', '34+58=92'] Exploring Operation: 47*92=4324, Resulting Numbers: [4324] 4324,71 unequal: No Solution Exploring Operation: 92-47=45, Resulting Numbers: [45] 45,71 unequal: No Solution Exploring Operation: 47+92=139, Resulting Numbers: [139] 139,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[47, 24], Operations: ['42+5=47', '58-34=24'] Exploring Operation: 47*24=1128, Resulting Numbers: [1128] 1128,71 unequal: No Solution Exploring Operation: 47-24=23, Resulting Numbers: [23] 23,71 unequal: No Solution Exploring Operation: 47+24=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[42, 5, 34, 58], Operations: [] Exploring Operation: 42+5=47, Resulting Numbers: [34, 58, 47] Generated Node #0,0: 71:[34, 58, 47] Operation: 42+5=47 Moving to Node #0,0 Current State: 71:[34, 58, 47], Operations: ['42+5=47'] Exploring Operation: 58-34=24, Resulting Numbers: [47, 24] Generated Node #0,0,0: 71:[47, 24] Operation: 58-34=24 Moving to Node #0,0,0 Current State: 71:[47, 24], Operations: ['42+5=47', '58-34=24'] Exploring Operation: 47+24=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 8, 11, 38, 27 ]
54
[ "8+11=19", "38*27=1026", "1026/19=54" ]
Current State: 54:[8, 11, 38, 27], Operations: [] Exploring Operation: 8+11=19, Resulting Numbers: [38, 27, 19] Generated Node #2: [38, 27, 19] from Operation: 8+11=19 Current State: 54:[38, 27, 19], Operations: ['8+11=19'] Exploring Operation: 38*27=1026, Resulting Numbers: [19, 1026] Generated Node #3: [19, 1026] from Operation: 38*27=1026 Current State: 54:[19, 1026], Operations: ['8+11=19', '38*27=1026'] Exploring Operation: 1026/19=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[8, 11, 38, 27], Operations: [] Exploring Operation: 38-11=27, Resulting Numbers: [8, 27, 27] Generated Node #0,0: 54:[8, 27, 27] Operation: 38-11=27 Exploring Operation: 38-8=30, Resulting Numbers: [11, 27, 30] Generated Node #0,1: 54:[11, 27, 30] Operation: 38-8=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[8, 27, 27], Operations: ['38-11=27'] Exploring Operation: 27-8=19, Resulting Numbers: [27, 19] Generated Node #0,0,0: 54:[27, 19] Operation: 27-8=19 Exploring Operation: 27-8=19, Resulting Numbers: [27, 19] Generated Node #0,0,1: 54:[27, 19] Operation: 27-8=19 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[27, 19], Operations: ['38-11=27', '27-8=19'] Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,54 unequal: No Solution Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,54 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 #0,0,1 Current State: 54:[27, 19], Operations: ['38-11=27', '27-8=19'] Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,54 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,54 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:[11, 27, 30], Operations: ['38-8=30'] Exploring Operation: 30-27=3, Resulting Numbers: [11, 3] Generated Node #0,1,0: 54:[11, 3] Operation: 30-27=3 Exploring Operation: 30-11=19, Resulting Numbers: [27, 19] Generated Node #0,1,1: 54:[27, 19] Operation: 30-11=19 Moving to Node #0,1,1 Current State: 54:[27, 19], Operations: ['38-8=30', '30-11=19'] Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,54 unequal: No Solution Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,54 unequal: No Solution Moving to Node #0,1,0 Current State: 54:[11, 3], Operations: ['38-8=30', '30-27=3'] Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 57, 2, 35, 17 ]
29
[ "57+35=92", "92/2=46", "46-17=29" ]
Current State: 29:[57, 2, 35, 17], Operations: [] Exploring Operation: 57+35=92, Resulting Numbers: [2, 17, 92] Generated Node #2: [2, 17, 92] from Operation: 57+35=92 Current State: 29:[2, 17, 92], Operations: ['57+35=92'] Exploring Operation: 92/2=46, Resulting Numbers: [17, 46] Generated Node #3: [17, 46] from Operation: 92/2=46 Current State: 29:[17, 46], Operations: ['57+35=92', '92/2=46'] Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[57, 2, 35, 17], Operations: [] Exploring Operation: 35-2=33, Resulting Numbers: [57, 17, 33] Generated Node #0,0: 29:[57, 17, 33] Operation: 35-2=33 Exploring Operation: 57-17=40, Resulting Numbers: [2, 35, 40] Generated Node #0,1: 29:[2, 35, 40] Operation: 57-17=40 Exploring Operation: 57-2=55, Resulting Numbers: [35, 17, 55] Generated Node #0,2: 29:[35, 17, 55] Operation: 57-2=55 Exploring Operation: 2*17=34, Resulting Numbers: [57, 35, 34] Generated Node #0,3: 29:[57, 35, 34] Operation: 2*17=34 Moving to Node #0,3 Current State: 29:[57, 35, 34], Operations: ['2*17=34'] Exploring Operation: 57-35=22, Resulting Numbers: [34, 22] Generated Node #0,3,0: 29:[34, 22] Operation: 57-35=22 Exploring Operation: 57-34=23, Resulting Numbers: [35, 23] Generated Node #0,3,1: 29:[35, 23] Operation: 57-34=23 Exploring Operation: 35-34=1, Resulting Numbers: [57, 1] Generated Node #0,3,2: 29:[57, 1] Operation: 35-34=1 Exploring Operation: 57+35=92, Resulting Numbers: [34, 92] Generated Node #0,3,3: 29:[34, 92] Operation: 57+35=92 Moving to Node #0,1 Current State: 29:[2, 35, 40], Operations: ['57-17=40'] Exploring Operation: 2+35=37, Resulting Numbers: [40, 37] Generated Node #0,1,0: 29:[40, 37] Operation: 2+35=37 Exploring Operation: 35-2=33, Resulting Numbers: [40, 33] Generated Node #0,1,1: 29:[40, 33] Operation: 35-2=33 Exploring Operation: 40-2=38, Resulting Numbers: [35, 38] Generated Node #0,1,2: 29:[35, 38] Operation: 40-2=38 Exploring Operation: 40/2=20, Resulting Numbers: [35, 20] Generated Node #0,1,3: 29:[35, 20] Operation: 40/2=20 Moving to Node #0,0 Current State: 29:[57, 17, 33], Operations: ['35-2=33'] Exploring Operation: 57+17=74, Resulting Numbers: [33, 74] Generated Node #0,0,0: 29:[33, 74] Operation: 57+17=74 Exploring Operation: 57-33=24, Resulting Numbers: [17, 24] Generated Node #0,0,1: 29:[17, 24] Operation: 57-33=24 Exploring Operation: 57-17=40, Resulting Numbers: [33, 40] Generated Node #0,0,2: 29:[33, 40] Operation: 57-17=40 Exploring Operation: 33-17=16, Resulting Numbers: [57, 16] Generated Node #0,0,3: 29:[57, 16] Operation: 33-17=16 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 29:[33, 40], Operations: ['35-2=33', '57-17=40'] Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 33*40=1320, Resulting Numbers: [1320] 1320,29 unequal: No Solution Exploring Operation: 33+40=73, Resulting Numbers: [73] 73,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[17, 24], Operations: ['35-2=33', '57-33=24'] Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 17+24=41, Resulting Numbers: [41] 41,29 unequal: No Solution Exploring Operation: 17*24=408, Resulting Numbers: [408] 408,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 29:[57, 16], Operations: ['35-2=33', '33-17=16'] Exploring Operation: 57+16=73, Resulting Numbers: [73] 73,29 unequal: No Solution Exploring Operation: 57*16=912, Resulting Numbers: [912] 912,29 unequal: No Solution Exploring Operation: 57-16=41, Resulting Numbers: [41] 41,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[33, 74], Operations: ['35-2=33', '57+17=74'] Exploring Operation: 33+74=107, Resulting Numbers: [107] 107,29 unequal: No Solution Exploring Operation: 74-33=41, Resulting Numbers: [41] 41,29 unequal: No Solution Exploring Operation: 33*74=2442, Resulting Numbers: [2442] 2442,29 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:[35, 17, 55], Operations: ['57-2=55'] Exploring Operation: 55-35=20, Resulting Numbers: [17, 20] Generated Node #0,2,0: 29:[17, 20] Operation: 55-35=20 Exploring Operation: 35+17=52, Resulting Numbers: [55, 52] Generated Node #0,2,1: 29:[55, 52] Operation: 35+17=52 Exploring Operation: 35-17=18, Resulting Numbers: [55, 18] Generated Node #0,2,2: 29:[55, 18] Operation: 35-17=18 Exploring Operation: 55-17=38, Resulting Numbers: [35, 38] Generated Node #0,2,3: 29:[35, 38] Operation: 55-17=38 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 29:[35, 38], Operations: ['57-2=55', '55-17=38'] Exploring Operation: 35*38=1330, Resulting Numbers: [1330] 1330,29 unequal: No Solution Exploring Operation: 38-35=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 35+38=73, Resulting Numbers: [73] 73,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 29:[17, 20], Operations: ['57-2=55', '55-35=20'] Exploring Operation: 17*20=340, Resulting Numbers: [340] 340,29 unequal: No Solution Exploring Operation: 17+20=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 29:[55, 18], Operations: ['57-2=55', '35-17=18'] Exploring Operation: 55+18=73, Resulting Numbers: [73] 73,29 unequal: No Solution Exploring Operation: 55*18=990, Resulting Numbers: [990] 990,29 unequal: No Solution Exploring Operation: 55-18=37, Resulting Numbers: [37] 37,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 29:[55, 52], Operations: ['57-2=55', '35+17=52'] Exploring Operation: 55+52=107, Resulting Numbers: [107] 107,29 unequal: No Solution Exploring Operation: 55*52=2860, Resulting Numbers: [2860] 2860,29 unequal: No Solution Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 29:[34, 22], Operations: ['2*17=34', '57-35=22'] Exploring Operation: 34+22=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 34*22=748, Resulting Numbers: [748] 748,29 unequal: No Solution Moving to Node #0,3,1 Current State: 29:[35, 23], Operations: ['2*17=34', '57-34=23'] Exploring Operation: 35+23=58, Resulting Numbers: [58] 58,29 unequal: No Solution Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 35*23=805, Resulting Numbers: [805] 805,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[35, 38], Operations: ['57-17=40', '40-2=38'] Exploring Operation: 35+38=73, Resulting Numbers: [73] 73,29 unequal: No Solution Exploring Operation: 35*38=1330, Resulting Numbers: [1330] 1330,29 unequal: No Solution Exploring Operation: 38-35=3, Resulting Numbers: [3] 3,29 unequal: No Solution Moving to Node #0,1,3 Current State: 29:[35, 20], Operations: ['57-17=40', '40/2=20'] Exploring Operation: 35+20=55, Resulting Numbers: [55] 55,29 unequal: No Solution Exploring Operation: 35*20=700, Resulting Numbers: [700] 700,29 unequal: No Solution Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[40, 33], Operations: ['57-17=40', '35-2=33'] Exploring Operation: 40+33=73, Resulting Numbers: [73] 73,29 unequal: No Solution Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 40*33=1320, Resulting Numbers: [1320] 1320,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[40, 37], Operations: ['57-17=40', '2+35=37'] Exploring Operation: 40*37=1480, Resulting Numbers: [1480] 1480,29 unequal: No Solution Exploring Operation: 40+37=77, Resulting Numbers: [77] 77,29 unequal: No Solution Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,29 unequal: No Solution Moving to Node #0,3,2 Current State: 29:[57, 1], Operations: ['2*17=34', '35-34=1'] Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,29 unequal: No Solution Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,29 unequal: No Solution Exploring Operation: 57*1=57, Resulting Numbers: [57] 57,29 unequal: No Solution Moving to Node #0,3,3 Current State: 29:[34, 92], Operations: ['2*17=34', '57+35=92'] Exploring Operation: 34*92=3128, Resulting Numbers: [3128] 3128,29 unequal: No Solution Exploring Operation: 34+92=126, Resulting Numbers: [126] 126,29 unequal: No Solution Exploring Operation: 92-34=58, Resulting Numbers: [58] 58,29 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 14, 25, 54, 45 ]
48
[ "14+25=39", "54-45=9", "39+9=48" ]
Current State: 48:[14, 25, 54, 45], Operations: [] Exploring Operation: 14+25=39, Resulting Numbers: [54, 45, 39] Generated Node #2: [54, 45, 39] from Operation: 14+25=39 Current State: 48:[54, 45, 39], Operations: ['14+25=39'] Exploring Operation: 54-45=9, Resulting Numbers: [39, 9] Generated Node #3: [39, 9] from Operation: 54-45=9 Current State: 48:[39, 9], Operations: ['14+25=39', '54-45=9'] Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[14, 25, 54, 45], Operations: [] Exploring Operation: 54-14=40, Resulting Numbers: [25, 45, 40] Generated Node #0,0: 48:[25, 45, 40] Operation: 54-14=40 Exploring Operation: 54-25=29, Resulting Numbers: [14, 45, 29] Generated Node #0,1: 48:[14, 45, 29] Operation: 54-25=29 Exploring Operation: 54-45=9, Resulting Numbers: [14, 25, 9] Generated Node #0,2: 48:[14, 25, 9] Operation: 54-45=9 Exploring Operation: 25-14=11, Resulting Numbers: [54, 45, 11] Generated Node #0,3: 48:[54, 45, 11] Operation: 25-14=11 Moving to Node #0,2 Current State: 48:[14, 25, 9], Operations: ['54-45=9'] Exploring Operation: 14-9=5, Resulting Numbers: [25, 5] Generated Node #0,2,0: 48:[25, 5] Operation: 14-9=5 Exploring Operation: 25-14=11, Resulting Numbers: [9, 11] Generated Node #0,2,1: 48:[9, 11] Operation: 25-14=11 Exploring Operation: 14+9=23, Resulting Numbers: [25, 23] Generated Node #0,2,2: 48:[25, 23] Operation: 14+9=23 Exploring Operation: 25-9=16, Resulting Numbers: [14, 16] Generated Node #0,2,3: 48:[14, 16] Operation: 25-9=16 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 48:[25, 5], Operations: ['54-45=9', '14-9=5'] Exploring Operation: 25*5=125, Resulting Numbers: [125] 125,48 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,48 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 48:[9, 11], Operations: ['54-45=9', '25-14=11'] Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 48:[25, 23], Operations: ['54-45=9', '14+9=23'] Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 25*23=575, Resulting Numbers: [575] 575,48 unequal: No Solution Exploring Operation: 25+23=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[14, 25, 54, 45], Operations: [] Exploring Operation: 54-45=9, Resulting Numbers: [14, 25, 9] Generated Node #0,2: 48:[14, 25, 9] Operation: 54-45=9 Moving to Node #0,2 Current State: 48:[14, 25, 9], Operations: ['54-45=9'] Exploring Operation: 14+9=23, Resulting Numbers: [25, 23] Generated Node #0,2,2: 48:[25, 23] Operation: 14+9=23 Moving to Node #0,2,2 Current State: 48:[25, 23], Operations: ['54-45=9', '14+9=23'] Exploring Operation: 25+23=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
mult_heuristic
[ 76, 32, 39, 90 ]
84
[ "76*39=2964", "32*90=2880", "2964-2880=84" ]
Current State: 84:[76, 32, 39, 90], Operations: [] Exploring Operation: 76*39=2964, Resulting Numbers: [32, 90, 2964] Generated Node #2: [32, 90, 2964] from Operation: 76*39=2964 Current State: 84:[32, 90, 2964], Operations: ['76*39=2964'] Exploring Operation: 32*90=2880, Resulting Numbers: [2964, 2880] Generated Node #3: [2964, 2880] from Operation: 32*90=2880 Current State: 84:[2964, 2880], Operations: ['76*39=2964', '32*90=2880'] Exploring Operation: 2964-2880=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[76, 32, 39, 90], Operations: [] Exploring Operation: 76-39=37, Resulting Numbers: [32, 90, 37] Generated Node #0,0: 84:[32, 90, 37] Operation: 76-39=37 Exploring Operation: 39-32=7, Resulting Numbers: [76, 90, 7] Generated Node #0,1: 84:[76, 90, 7] Operation: 39-32=7 Exploring Operation: 76-32=44, Resulting Numbers: [39, 90, 44] Generated Node #0,2: 84:[39, 90, 44] Operation: 76-32=44 Exploring Operation: 90-76=14, Resulting Numbers: [32, 39, 14] Generated Node #0,3: 84:[32, 39, 14] Operation: 90-76=14 Moving to Node #0,3 Current State: 84:[32, 39, 14], Operations: ['90-76=14'] Exploring Operation: 39-32=7, Resulting Numbers: [14, 7] Generated Node #0,3,0: 84:[14, 7] Operation: 39-32=7 Exploring Operation: 32+14=46, Resulting Numbers: [39, 46] Generated Node #0,3,1: 84:[39, 46] Operation: 32+14=46 Exploring Operation: 39-14=25, Resulting Numbers: [32, 25] Generated Node #0,3,2: 84:[32, 25] Operation: 39-14=25 Exploring Operation: 32-14=18, Resulting Numbers: [39, 18] Generated Node #0,3,3: 84:[39, 18] Operation: 32-14=18 Moving to Node #0,2 Current State: 84:[39, 90, 44], Operations: ['76-32=44'] Exploring Operation: 90-39=51, Resulting Numbers: [44, 51] Generated Node #0,2,0: 84:[44, 51] Operation: 90-39=51 Exploring Operation: 90-44=46, Resulting Numbers: [39, 46] Generated Node #0,2,1: 84:[39, 46] Operation: 90-44=46 Exploring Operation: 39+44=83, Resulting Numbers: [90, 83] Generated Node #0,2,2: 84:[90, 83] Operation: 39+44=83 Exploring Operation: 44-39=5, Resulting Numbers: [90, 5] Generated Node #0,2,3: 84:[90, 5] Operation: 44-39=5 Moving to Node #0,1 Current State: 84:[76, 90, 7], Operations: ['39-32=7'] Exploring Operation: 76+7=83, Resulting Numbers: [90, 83] Generated Node #0,1,0: 84:[90, 83] Operation: 76+7=83 Exploring Operation: 76-7=69, Resulting Numbers: [90, 69] Generated Node #0,1,1: 84:[90, 69] Operation: 76-7=69 Exploring Operation: 90-76=14, Resulting Numbers: [7, 14] Generated Node #0,1,2: 84:[7, 14] Operation: 90-76=14 Exploring Operation: 90-7=83, Resulting Numbers: [76, 83] Generated Node #0,1,3: 84:[76, 83] Operation: 90-7=83 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 84:[7, 14], Operations: ['39-32=7', '90-76=14'] Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,84 unequal: No Solution Exploring Operation: 7+14=21, Resulting Numbers: [21] 21,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 84:[90, 83], Operations: ['39-32=7', '76+7=83'] Exploring Operation: 90*83=7470, Resulting Numbers: [7470] 7470,84 unequal: No Solution Exploring Operation: 90+83=173, Resulting Numbers: [173] 173,84 unequal: No Solution Exploring Operation: 90-83=7, Resulting Numbers: [7] 7,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 84:[76, 83], Operations: ['39-32=7', '90-7=83'] Exploring Operation: 76*83=6308, Resulting Numbers: [6308] 6308,84 unequal: No Solution Exploring Operation: 76+83=159, Resulting Numbers: [159] 159,84 unequal: No Solution Exploring Operation: 83-76=7, Resulting Numbers: [7] 7,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 84:[90, 69], Operations: ['39-32=7', '76-7=69'] Exploring Operation: 90-69=21, Resulting Numbers: [21] 21,84 unequal: No Solution Exploring Operation: 90*69=6210, Resulting Numbers: [6210] 6210,84 unequal: No Solution Exploring Operation: 90+69=159, Resulting Numbers: [159] 159,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 84:[32, 90, 37], Operations: ['76-39=37'] Exploring Operation: 90-32=58, Resulting Numbers: [37, 58] Generated Node #0,0,0: 84:[37, 58] Operation: 90-32=58 Exploring Operation: 37-32=5, Resulting Numbers: [90, 5] Generated Node #0,0,1: 84:[90, 5] Operation: 37-32=5 Exploring Operation: 90-37=53, Resulting Numbers: [32, 53] Generated Node #0,0,2: 84:[32, 53] Operation: 90-37=53 Exploring Operation: 32+37=69, Resulting Numbers: [90, 69] Generated Node #0,0,3: 84:[90, 69] Operation: 32+37=69 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[90, 5], Operations: ['76-39=37', '37-32=5'] Exploring Operation: 90+5=95, Resulting Numbers: [95] 95,84 unequal: No Solution Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,84 unequal: No Solution Exploring Operation: 90*5=450, Resulting Numbers: [450] 450,84 unequal: No Solution Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 84:[32, 53], Operations: ['76-39=37', '90-37=53'] Exploring Operation: 32+53=85, Resulting Numbers: [85] 85,84 unequal: No Solution Exploring Operation: 53-32=21, Resulting Numbers: [21] 21,84 unequal: No Solution Exploring Operation: 32*53=1696, Resulting Numbers: [1696] 1696,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[37, 58], Operations: ['76-39=37', '90-32=58'] Exploring Operation: 37*58=2146, Resulting Numbers: [2146] 2146,84 unequal: No Solution Exploring Operation: 58-37=21, Resulting Numbers: [21] 21,84 unequal: No Solution Exploring Operation: 37+58=95, Resulting Numbers: [95] 95,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 84:[90, 69], Operations: ['76-39=37', '32+37=69'] Exploring Operation: 90+69=159, Resulting Numbers: [159] 159,84 unequal: No Solution Exploring Operation: 90*69=6210, Resulting Numbers: [6210] 6210,84 unequal: No Solution Exploring Operation: 90-69=21, Resulting Numbers: [21] 21,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 84:[14, 7], Operations: ['90-76=14', '39-32=7'] Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,84 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,84 unequal: No Solution Moving to Node #0,3,3 Current State: 84:[39, 18], Operations: ['90-76=14', '32-14=18'] Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,84 unequal: No Solution Exploring Operation: 39*18=702, Resulting Numbers: [702] 702,84 unequal: No Solution Exploring Operation: 39+18=57, Resulting Numbers: [57] 57,84 unequal: No Solution Moving to Node #0,3,1 Current State: 84:[39, 46], Operations: ['90-76=14', '32+14=46'] Exploring Operation: 39+46=85, Resulting Numbers: [85] 85,84 unequal: No Solution Exploring Operation: 39*46=1794, Resulting Numbers: [1794] 1794,84 unequal: No Solution Exploring Operation: 46-39=7, Resulting Numbers: [7] 7,84 unequal: No Solution Moving to Node #0,2,2 Current State: 84:[90, 83], Operations: ['76-32=44', '39+44=83'] Exploring Operation: 90+83=173, Resulting Numbers: [173] 173,84 unequal: No Solution Exploring Operation: 90-83=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 90*83=7470, Resulting Numbers: [7470] 7470,84 unequal: No Solution Moving to Node #0,2,3 Current State: 84:[90, 5], Operations: ['76-32=44', '44-39=5'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 90+5=95, Resulting Numbers: [95] 95,84 unequal: No Solution Exploring Operation: 90*5=450, Resulting Numbers: [450] 450,84 unequal: No Solution Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,84 unequal: No Solution Moving to Node #0,2,1 Current State: 84:[39, 46], Operations: ['76-32=44', '90-44=46'] Exploring Operation: 39+46=85, Resulting Numbers: [85] 85,84 unequal: No Solution Exploring Operation: 39*46=1794, Resulting Numbers: [1794] 1794,84 unequal: No Solution Exploring Operation: 46-39=7, Resulting Numbers: [7] 7,84 unequal: No Solution Moving to Node #0,3,2 Current State: 84:[32, 25], Operations: ['90-76=14', '39-14=25'] Exploring Operation: 32*25=800, Resulting Numbers: [800] 800,84 unequal: No Solution Exploring Operation: 32+25=57, Resulting Numbers: [57] 57,84 unequal: No Solution Exploring Operation: 32-25=7, Resulting Numbers: [7] 7,84 unequal: No Solution Moving to Node #0,2,0 Current State: 84:[44, 51], Operations: ['76-32=44', '90-39=51'] Exploring Operation: 44*51=2244, Resulting Numbers: [2244] 2244,84 unequal: No Solution Exploring Operation: 51-44=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 44+51=95, Resulting Numbers: [95] 95,84 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 16, 54, 87, 78 ]
96
[ "16*54=864", "87-78=9", "864/9=96" ]
Current State: 96:[16, 54, 87, 78], Operations: [] Exploring Operation: 16*54=864, Resulting Numbers: [87, 78, 864] Generated Node #2: [87, 78, 864] from Operation: 16*54=864 Current State: 96:[87, 78, 864], Operations: ['16*54=864'] Exploring Operation: 87-78=9, Resulting Numbers: [864, 9] Generated Node #3: [864, 9] from Operation: 87-78=9 Current State: 96:[864, 9], Operations: ['16*54=864', '87-78=9'] Exploring Operation: 864/9=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[16, 54, 87, 78], Operations: [] Exploring Operation: 87-54=33, Resulting Numbers: [16, 78, 33] Generated Node #0,0: 96:[16, 78, 33] Operation: 87-54=33 Exploring Operation: 87-78=9, Resulting Numbers: [16, 54, 9] Generated Node #0,1: 96:[16, 54, 9] Operation: 87-78=9 Exploring Operation: 78-54=24, Resulting Numbers: [16, 87, 24] Generated Node #0,2: 96:[16, 87, 24] Operation: 78-54=24 Exploring Operation: 16+78=94, Resulting Numbers: [54, 87, 94] Generated Node #0,3: 96:[54, 87, 94] Operation: 16+78=94 Moving to Node #0,1 Current State: 96:[16, 54, 9], Operations: ['87-78=9'] Exploring Operation: 16+9=25, Resulting Numbers: [54, 25] Generated Node #0,1,0: 96:[54, 25] Operation: 16+9=25 Exploring Operation: 54-9=45, Resulting Numbers: [16, 45] Generated Node #0,1,1: 96:[16, 45] Operation: 54-9=45 Exploring Operation: 54-16=38, Resulting Numbers: [9, 38] Generated Node #0,1,2: 96:[9, 38] Operation: 54-16=38 Exploring Operation: 54/9=6, Resulting Numbers: [16, 6] Generated Node #0,1,3: 96:[16, 6] Operation: 54/9=6 Moving to Node #0,2 Current State: 96:[16, 87, 24], Operations: ['78-54=24'] Exploring Operation: 87-24=63, Resulting Numbers: [16, 63] Generated Node #0,2,0: 96:[16, 63] Operation: 87-24=63 Exploring Operation: 24-16=8, Resulting Numbers: [87, 8] Generated Node #0,2,1: 96:[87, 8] Operation: 24-16=8 Exploring Operation: 87+24=111, Resulting Numbers: [16, 111] Generated Node #0,2,2: 96:[16, 111] Operation: 87+24=111 Exploring Operation: 16+87=103, Resulting Numbers: [24, 103] Generated Node #0,2,3: 96:[24, 103] Operation: 16+87=103 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 96:[24, 103], Operations: ['78-54=24', '16+87=103'] Exploring Operation: 24+103=127, Resulting Numbers: [127] 127,96 unequal: No Solution Exploring Operation: 24*103=2472, Resulting Numbers: [2472] 2472,96 unequal: No Solution Exploring Operation: 103-24=79, Resulting Numbers: [79] 79,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 96:[87, 8], Operations: ['78-54=24', '24-16=8'] Exploring Operation: 87-8=79, Resulting Numbers: [79] 79,96 unequal: No Solution Exploring Operation: 87*8=696, Resulting Numbers: [696] 696,96 unequal: No Solution Exploring Operation: 87+8=95, Resulting Numbers: [95] 95,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 96:[16, 63], Operations: ['78-54=24', '87-24=63'] Exploring Operation: 16*63=1008, Resulting Numbers: [1008] 1008,96 unequal: No Solution Exploring Operation: 63-16=47, Resulting Numbers: [47] 47,96 unequal: No Solution Exploring Operation: 16+63=79, Resulting Numbers: [79] 79,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 96:[16, 111], Operations: ['78-54=24', '87+24=111'] Exploring Operation: 16+111=127, Resulting Numbers: [127] 127,96 unequal: No Solution Exploring Operation: 16*111=1776, Resulting Numbers: [1776] 1776,96 unequal: No Solution Exploring Operation: 111-16=95, Resulting Numbers: [95] 95,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 96:[54, 87, 94], Operations: ['16+78=94'] Exploring Operation: 94-87=7, Resulting Numbers: [54, 7] Generated Node #0,3,0: 96:[54, 7] Operation: 94-87=7 Exploring Operation: 94-54=40, Resulting Numbers: [87, 40] Generated Node #0,3,1: 96:[87, 40] Operation: 94-54=40 Exploring Operation: 54+87=141, Resulting Numbers: [94, 141] Generated Node #0,3,2: 96:[94, 141] Operation: 54+87=141 Exploring Operation: 87-54=33, Resulting Numbers: [94, 33] Generated Node #0,3,3: 96:[94, 33] Operation: 87-54=33 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 96:[94, 33], Operations: ['16+78=94', '87-54=33'] Exploring Operation: 94+33=127, Resulting Numbers: [127] 127,96 unequal: No Solution Exploring Operation: 94-33=61, Resulting Numbers: [61] 61,96 unequal: No Solution Exploring Operation: 94*33=3102, Resulting Numbers: [3102] 3102,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 96:[54, 7], Operations: ['16+78=94', '94-87=7'] Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,96 unequal: No Solution Exploring Operation: 54+7=61, Resulting Numbers: [61] 61,96 unequal: No Solution Exploring Operation: 54*7=378, Resulting Numbers: [378] 378,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 96:[87, 40], Operations: ['16+78=94', '94-54=40'] Exploring Operation: 87*40=3480, Resulting Numbers: [3480] 3480,96 unequal: No Solution Exploring Operation: 87+40=127, Resulting Numbers: [127] 127,96 unequal: No Solution Exploring Operation: 87-40=47, Resulting Numbers: [47] 47,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 96:[94, 141], Operations: ['16+78=94', '54+87=141'] Exploring Operation: 94*141=13254, Resulting Numbers: [13254] 13254,96 unequal: No Solution Exploring Operation: 94+141=235, Resulting Numbers: [235] 235,96 unequal: No Solution Exploring Operation: 141-94=47, Resulting Numbers: [47] 47,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 96:[16, 78, 33], Operations: ['87-54=33'] Exploring Operation: 78-16=62, Resulting Numbers: [33, 62] Generated Node #0,0,0: 96:[33, 62] Operation: 78-16=62 Exploring Operation: 78-33=45, Resulting Numbers: [16, 45] Generated Node #0,0,1: 96:[16, 45] Operation: 78-33=45 Exploring Operation: 16+78=94, Resulting Numbers: [33, 94] Generated Node #0,0,2: 96:[33, 94] Operation: 16+78=94 Exploring Operation: 78+33=111, Resulting Numbers: [16, 111] Generated Node #0,0,3: 96:[16, 111] Operation: 78+33=111 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 96:[16, 45], Operations: ['87-54=33', '78-33=45'] Exploring Operation: 16+45=61, Resulting Numbers: [61] 61,96 unequal: No Solution Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,96 unequal: No Solution Exploring Operation: 16*45=720, Resulting Numbers: [720] 720,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 96:[33, 94], Operations: ['87-54=33', '16+78=94'] Exploring Operation: 33+94=127, Resulting Numbers: [127] 127,96 unequal: No Solution Exploring Operation: 94-33=61, Resulting Numbers: [61] 61,96 unequal: No Solution Exploring Operation: 33*94=3102, Resulting Numbers: [3102] 3102,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[33, 62], Operations: ['87-54=33', '78-16=62'] Exploring Operation: 33*62=2046, Resulting Numbers: [2046] 2046,96 unequal: No Solution Exploring Operation: 33+62=95, Resulting Numbers: [95] 95,96 unequal: No Solution Exploring Operation: 62-33=29, Resulting Numbers: [29] 29,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 96:[16, 111], Operations: ['87-54=33', '78+33=111'] Exploring Operation: 16*111=1776, Resulting Numbers: [1776] 1776,96 unequal: No Solution Exploring Operation: 111-16=95, Resulting Numbers: [95] 95,96 unequal: No Solution Exploring Operation: 16+111=127, Resulting Numbers: [127] 127,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 96:[16, 6], Operations: ['87-78=9', '54/9=6'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,96 unequal: No Solution Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[16, 54, 87, 78], Operations: [] Exploring Operation: 87-78=9, Resulting Numbers: [16, 54, 9] Generated Node #0,1: 96:[16, 54, 9] Operation: 87-78=9 Moving to Node #0,1 Current State: 96:[16, 54, 9], Operations: ['87-78=9'] Exploring Operation: 54/9=6, Resulting Numbers: [16, 6] Generated Node #0,1,3: 96:[16, 6] Operation: 54/9=6 Moving to Node #0,1,3 Current State: 96:[16, 6], Operations: ['87-78=9', '54/9=6'] Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
0.946181
hs_4
mult_heuristic
[ 51, 13, 15, 70 ]
38
[ "70-51=19", "15-13=2", "19*2=38" ]
Current State: 38:[51, 13, 15, 70], Operations: [] Exploring Operation: 70-51=19, Resulting Numbers: [13, 15, 19] Generated Node #2: [13, 15, 19] from Operation: 70-51=19 Current State: 38:[13, 15, 19], Operations: ['70-51=19'] Exploring Operation: 15-13=2, Resulting Numbers: [19, 2] Generated Node #3: [19, 2] from Operation: 15-13=2 Current State: 38:[19, 2], Operations: ['70-51=19', '15-13=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[51, 13, 15, 70], Operations: [] Exploring Operation: 70-51=19, Resulting Numbers: [13, 15, 19] Generated Node #0,0: 38:[13, 15, 19] Operation: 70-51=19 Moving to Node #0,0 Current State: 38:[13, 15, 19], Operations: ['70-51=19'] Exploring Operation: 15-13=2, Resulting Numbers: [19, 2] Generated Node #0,0,0: 38:[19, 2] Operation: 15-13=2 Moving to Node #0,0,0 Current State: 38:[19, 2], Operations: ['70-51=19', '15-13=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[51, 13, 15, 70], Operations: [] Exploring Operation: 70-51=19, Resulting Numbers: [13, 15, 19] Generated Node #0,0: 38:[13, 15, 19] Operation: 70-51=19 Moving to Node #0,0 Current State: 38:[13, 15, 19], Operations: ['70-51=19'] Exploring Operation: 15-13=2, Resulting Numbers: [19, 2] Generated Node #0,0,0: 38:[19, 2] Operation: 15-13=2 Moving to Node #0,0,0 Current State: 38:[19, 2], Operations: ['70-51=19', '15-13=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 95, 20, 8, 57 ]
66
[ "95+20=115", "57-8=49", "115-49=66" ]
Current State: 66:[95, 20, 8, 57], Operations: [] Exploring Operation: 95+20=115, Resulting Numbers: [8, 57, 115] Generated Node #2: [8, 57, 115] from Operation: 95+20=115 Current State: 66:[8, 57, 115], Operations: ['95+20=115'] Exploring Operation: 57-8=49, Resulting Numbers: [115, 49] Generated Node #3: [115, 49] from Operation: 57-8=49 Current State: 66:[115, 49], Operations: ['95+20=115', '57-8=49'] Exploring Operation: 115-49=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[95, 20, 8, 57], Operations: [] Exploring Operation: 57-20=37, Resulting Numbers: [95, 8, 37] Generated Node #0,0: 66:[95, 8, 37] Operation: 57-20=37 Exploring Operation: 95-20=75, Resulting Numbers: [8, 57, 75] Generated Node #0,1: 66:[8, 57, 75] Operation: 95-20=75 Exploring Operation: 8+57=65, Resulting Numbers: [95, 20, 65] Generated Node #0,2: 66:[95, 20, 65] Operation: 8+57=65 Exploring Operation: 95-8=87, Resulting Numbers: [20, 57, 87] Generated Node #0,3: 66:[20, 57, 87] Operation: 95-8=87 Exploring Operation: 95-57=38, Resulting Numbers: [20, 8, 38] Generated Node #0,4: 66:[20, 8, 38] Operation: 95-57=38 Start Sub Search at level 1: Moving to Node #0,4 Current State: 66:[20, 8, 38], Operations: ['95-57=38'] Exploring Operation: 38-8=30, Resulting Numbers: [20, 30] Generated Node #0,4,0: 66:[20, 30] Operation: 38-8=30 Exploring Operation: 20-8=12, Resulting Numbers: [38, 12] Generated Node #0,4,1: 66:[38, 12] Operation: 20-8=12 Exploring Operation: 20+8=28, Resulting Numbers: [38, 28] Generated Node #0,4,2: 66:[38, 28] Operation: 20+8=28 Exploring Operation: 38-20=18, Resulting Numbers: [8, 18] Generated Node #0,4,3: 66:[8, 18] Operation: 38-20=18 Exploring Operation: 20+38=58, Resulting Numbers: [8, 58] Generated Node #0,4,4: 66:[8, 58] Operation: 20+38=58 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 66:[20, 30], Operations: ['95-57=38', '38-8=30'] Exploring Operation: 30-20=10, Resulting Numbers: [10] 10,66 unequal: No Solution Exploring Operation: 20+30=50, Resulting Numbers: [50] 50,66 unequal: No Solution Exploring Operation: 20*30=600, Resulting Numbers: [600] 600,66 unequal: No Solution No 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: 66:[38, 12], Operations: ['95-57=38', '20-8=12'] Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,66 unequal: No Solution Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,66 unequal: No Solution Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,66 unequal: No Solution No 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: 66:[8, 18], Operations: ['95-57=38', '38-20=18'] Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,66 unequal: No Solution Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,66 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,66 unequal: No Solution No 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: 66:[38, 28], Operations: ['95-57=38', '20+8=28'] Exploring Operation: 38*28=1064, Resulting Numbers: [1064] 1064,66 unequal: No Solution Exploring Operation: 38+28=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[95, 20, 8, 57], Operations: [] Exploring Operation: 95-57=38, Resulting Numbers: [20, 8, 38] Generated Node #0,4: 66:[20, 8, 38] Operation: 95-57=38 Moving to Node #0,4 Current State: 66:[20, 8, 38], Operations: ['95-57=38'] Exploring Operation: 20+8=28, Resulting Numbers: [38, 28] Generated Node #0,4,2: 66:[38, 28] Operation: 20+8=28 Moving to Node #0,4,2 Current State: 66:[38, 28], Operations: ['95-57=38', '20+8=28'] Exploring Operation: 38+28=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_5
mult_heuristic
[ 52, 81, 18, 22 ]
69
[ "81-52=29", "18+22=40", "29+40=69" ]
Current State: 69:[52, 81, 18, 22], Operations: [] Exploring Operation: 81-52=29, Resulting Numbers: [18, 22, 29] Generated Node #2: [18, 22, 29] from Operation: 81-52=29 Current State: 69:[18, 22, 29], Operations: ['81-52=29'] Exploring Operation: 18+22=40, Resulting Numbers: [29, 40] Generated Node #3: [29, 40] from Operation: 18+22=40 Current State: 69:[29, 40], Operations: ['81-52=29', '18+22=40'] Exploring Operation: 29+40=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[52, 81, 18, 22], Operations: [] Exploring Operation: 81-52=29, Resulting Numbers: [18, 22, 29] Generated Node #0,0: 69:[18, 22, 29] Operation: 81-52=29 Exploring Operation: 52+18=70, Resulting Numbers: [81, 22, 70] Generated Node #0,1: 69:[81, 22, 70] Operation: 52+18=70 Exploring Operation: 52+22=74, Resulting Numbers: [81, 18, 74] Generated Node #0,2: 69:[81, 18, 74] Operation: 52+22=74 Moving to Node #0,0 Current State: 69:[18, 22, 29], Operations: ['81-52=29'] Exploring Operation: 29-22=7, Resulting Numbers: [18, 7] Generated Node #0,0,0: 69:[18, 7] Operation: 29-22=7 Exploring Operation: 22-18=4, Resulting Numbers: [29, 4] Generated Node #0,0,1: 69:[29, 4] Operation: 22-18=4 Exploring Operation: 29-18=11, Resulting Numbers: [22, 11] Generated Node #0,0,2: 69:[22, 11] Operation: 29-18=11 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 69:[29, 4], Operations: ['81-52=29', '22-18=4'] Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,69 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,69 unequal: No Solution Exploring Operation: 29*4=116, Resulting Numbers: [116] 116,69 unequal: No Solution No 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: 69:[18, 7], Operations: ['81-52=29', '29-22=7'] Exploring Operation: 18*7=126, Resulting Numbers: [126] 126,69 unequal: No Solution Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,69 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,69 unequal: No Solution No 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: 69:[22, 11], Operations: ['81-52=29', '29-18=11'] Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,69 unequal: No Solution Exploring Operation: 22+11=33, Resulting Numbers: [33] 33,69 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,69 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: 69:[81, 22, 70], Operations: ['52+18=70'] Exploring Operation: 70-22=48, Resulting Numbers: [81, 48] Generated Node #0,1,0: 69:[81, 48] Operation: 70-22=48 Exploring Operation: 81-22=59, Resulting Numbers: [70, 59] Generated Node #0,1,1: 69:[70, 59] Operation: 81-22=59 Exploring Operation: 81-70=11, Resulting Numbers: [22, 11] Generated Node #0,1,2: 69:[22, 11] Operation: 81-70=11 Moving to Node #0,2 Current State: 69:[81, 18, 74], Operations: ['52+22=74'] Exploring Operation: 81-18=63, Resulting Numbers: [74, 63] Generated Node #0,2,0: 69:[74, 63] Operation: 81-18=63 Exploring Operation: 81-74=7, Resulting Numbers: [18, 7] Generated Node #0,2,1: 69:[18, 7] Operation: 81-74=7 Exploring Operation: 74-18=56, Resulting Numbers: [81, 56] Generated Node #0,2,2: 69:[81, 56] Operation: 74-18=56 Moving to Node #0,1,2 Current State: 69:[22, 11], Operations: ['52+18=70', '81-70=11'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,69 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,69 unequal: No Solution Exploring Operation: 22+11=33, Resulting Numbers: [33] 33,69 unequal: No Solution Moving to Node #0,2,1 Current State: 69:[18, 7], Operations: ['52+22=74', '81-74=7'] Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,69 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,69 unequal: No Solution Exploring Operation: 18*7=126, Resulting Numbers: [126] 126,69 unequal: No Solution Moving to Node #0,2,0 Current State: 69:[74, 63], Operations: ['52+22=74', '81-18=63'] Exploring Operation: 74+63=137, Resulting Numbers: [137] 137,69 unequal: No Solution Exploring Operation: 74-63=11, Resulting Numbers: [11] 11,69 unequal: No Solution Exploring Operation: 74*63=4662, Resulting Numbers: [4662] 4662,69 unequal: No Solution Moving to Node #0,1,1 Current State: 69:[70, 59], Operations: ['52+18=70', '81-22=59'] Exploring Operation: 70*59=4130, Resulting Numbers: [4130] 4130,69 unequal: No Solution Exploring Operation: 70+59=129, Resulting Numbers: [129] 129,69 unequal: No Solution Exploring Operation: 70-59=11, Resulting Numbers: [11] 11,69 unequal: No Solution Moving to Node #0,2,2 Current State: 69:[81, 56], Operations: ['52+22=74', '74-18=56'] Exploring Operation: 81+56=137, Resulting Numbers: [137] 137,69 unequal: No Solution Exploring Operation: 81*56=4536, Resulting Numbers: [4536] 4536,69 unequal: No Solution Exploring Operation: 81-56=25, Resulting Numbers: [25] 25,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[81, 48], Operations: ['52+18=70', '70-22=48'] Exploring Operation: 81+48=129, Resulting Numbers: [129] 129,69 unequal: No Solution Exploring Operation: 81*48=3888, Resulting Numbers: [3888] 3888,69 unequal: No Solution Exploring Operation: 81-48=33, Resulting Numbers: [33] 33,69 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 51, 44, 75, 48 ]
22
[ "75-51=24", "44*24=1056", "1056/48=22" ]
Current State: 22:[51, 44, 75, 48], Operations: [] Exploring Operation: 75-51=24, Resulting Numbers: [44, 48, 24] Generated Node #2: [44, 48, 24] from Operation: 75-51=24 Current State: 22:[44, 48, 24], Operations: ['75-51=24'] Exploring Operation: 44*24=1056, Resulting Numbers: [48, 1056] Generated Node #3: [48, 1056] from Operation: 44*24=1056 Current State: 22:[48, 1056], Operations: ['75-51=24', '44*24=1056'] Exploring Operation: 1056/48=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[51, 44, 75, 48], Operations: [] Exploring Operation: 75-48=27, Resulting Numbers: [51, 44, 27] Generated Node #0,0: 22:[51, 44, 27] Operation: 75-48=27 Exploring Operation: 75-51=24, Resulting Numbers: [44, 48, 24] Generated Node #0,1: 22:[44, 48, 24] Operation: 75-51=24 Moving to Node #0,1 Current State: 22:[44, 48, 24], Operations: ['75-51=24'] Exploring Operation: 48/24=2, Resulting Numbers: [44, 2] Generated Node #0,1,0: 22:[44, 2] Operation: 48/24=2 Exploring Operation: 48-44=4, Resulting Numbers: [24, 4] Generated Node #0,1,1: 22:[24, 4] Operation: 48-44=4 Moving to Node #0,0 Current State: 22:[51, 44, 27], Operations: ['75-48=27'] Exploring Operation: 51-27=24, Resulting Numbers: [44, 24] Generated Node #0,0,0: 22:[44, 24] Operation: 51-27=24 Exploring Operation: 51-44=7, Resulting Numbers: [27, 7] Generated Node #0,0,1: 22:[27, 7] Operation: 51-44=7 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 22:[27, 7], Operations: ['75-48=27', '51-44=7'] Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,22 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[44, 24], Operations: ['75-48=27', '51-27=24'] Exploring Operation: 44+24=68, Resulting Numbers: [68] 68,22 unequal: No Solution Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,22 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: 22:[24, 4], Operations: ['75-51=24', '48-44=4'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,22 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,22 unequal: No Solution Moving to Node #0,1,0 Current State: 22:[44, 2], Operations: ['75-51=24', '48/24=2'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[51, 44, 75, 48], Operations: [] Exploring Operation: 75-51=24, Resulting Numbers: [44, 48, 24] Generated Node #0,1: 22:[44, 48, 24] Operation: 75-51=24 Moving to Node #0,1 Current State: 22:[44, 48, 24], Operations: ['75-51=24'] Exploring Operation: 48/24=2, Resulting Numbers: [44, 2] Generated Node #0,1,0: 22:[44, 2] Operation: 48/24=2 Moving to Node #0,1,0 Current State: 22:[44, 2], Operations: ['75-51=24', '48/24=2'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
0.985243
hs_2
mult_heuristic
[ 52, 59, 73, 76 ]
21
[ "59-52=7", "76-73=3", "7*3=21" ]
Current State: 21:[52, 59, 73, 76], Operations: [] Exploring Operation: 59-52=7, Resulting Numbers: [73, 76, 7] Generated Node #2: [73, 76, 7] from Operation: 59-52=7 Current State: 21:[73, 76, 7], Operations: ['59-52=7'] Exploring Operation: 76-73=3, Resulting Numbers: [7, 3] Generated Node #3: [7, 3] from Operation: 76-73=3 Current State: 21:[7, 3], Operations: ['59-52=7', '76-73=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[52, 59, 73, 76], Operations: [] Exploring Operation: 73-52=21, Resulting Numbers: [59, 76, 21] Generated Node #0,0: 21:[59, 76, 21] Operation: 73-52=21 Exploring Operation: 76-73=3, Resulting Numbers: [52, 59, 3] Generated Node #0,1: 21:[52, 59, 3] Operation: 76-73=3 Exploring Operation: 76-59=17, Resulting Numbers: [52, 73, 17] Generated Node #0,2: 21:[52, 73, 17] Operation: 76-59=17 Exploring Operation: 76-52=24, Resulting Numbers: [59, 73, 24] Generated Node #0,3: 21:[59, 73, 24] Operation: 76-52=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[52, 59, 3], Operations: ['76-73=3'] Exploring Operation: 59-3=56, Resulting Numbers: [52, 56] Generated Node #0,1,0: 21:[52, 56] Operation: 59-3=56 Exploring Operation: 52-3=49, Resulting Numbers: [59, 49] Generated Node #0,1,1: 21:[59, 49] Operation: 52-3=49 Exploring Operation: 52+3=55, Resulting Numbers: [59, 55] Generated Node #0,1,2: 21:[59, 55] Operation: 52+3=55 Exploring Operation: 59-52=7, Resulting Numbers: [3, 7] Generated Node #0,1,3: 21:[3, 7] Operation: 59-52=7 Moving to Node #0,1,3 Current State: 21:[3, 7], Operations: ['76-73=3', '59-52=7'] Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[52, 59, 73, 76], Operations: [] Exploring Operation: 76-73=3, Resulting Numbers: [52, 59, 3] Generated Node #0,1: 21:[52, 59, 3] Operation: 76-73=3 Moving to Node #0,1 Current State: 21:[52, 59, 3], Operations: ['76-73=3'] Exploring Operation: 59-52=7, Resulting Numbers: [3, 7] Generated Node #0,1,3: 21:[3, 7] Operation: 59-52=7 Moving to Node #0,1,3 Current State: 21:[3, 7], Operations: ['76-73=3', '59-52=7'] Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 10, 72, 57, 98 ]
21
[ "72-10=62", "98-57=41", "62-41=21" ]
Current State: 21:[10, 72, 57, 98], Operations: [] Exploring Operation: 72-10=62, Resulting Numbers: [57, 98, 62] Generated Node #2: [57, 98, 62] from Operation: 72-10=62 Current State: 21:[57, 98, 62], Operations: ['72-10=62'] Exploring Operation: 98-57=41, Resulting Numbers: [62, 41] Generated Node #3: [62, 41] from Operation: 98-57=41 Current State: 21:[62, 41], Operations: ['72-10=62', '98-57=41'] Exploring Operation: 62-41=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[10, 72, 57, 98], Operations: [] Exploring Operation: 98-72=26, Resulting Numbers: [10, 57, 26] Generated Node #0,0: 21:[10, 57, 26] Operation: 98-72=26 Exploring Operation: 98-57=41, Resulting Numbers: [10, 72, 41] Generated Node #0,1: 21:[10, 72, 41] Operation: 98-57=41 Moving to Node #0,0 Current State: 21:[10, 57, 26], Operations: ['98-72=26'] Exploring Operation: 57-26=31, Resulting Numbers: [10, 31] Generated Node #0,0,0: 21:[10, 31] Operation: 57-26=31 Exploring Operation: 57-10=47, Resulting Numbers: [26, 47] Generated Node #0,0,1: 21:[26, 47] Operation: 57-10=47 Moving to Node #0,1 Current State: 21:[10, 72, 41], Operations: ['98-57=41'] Exploring Operation: 72-10=62, Resulting Numbers: [41, 62] Generated Node #0,1,0: 21:[41, 62] Operation: 72-10=62 Exploring Operation: 72-41=31, Resulting Numbers: [10, 31] Generated Node #0,1,1: 21:[10, 31] Operation: 72-41=31 Moving to Node #0,0,0 Current State: 21:[10, 31], Operations: ['98-72=26', '57-26=31'] Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[10, 72, 57, 98], Operations: [] Exploring Operation: 98-72=26, Resulting Numbers: [10, 57, 26] Generated Node #0,0: 21:[10, 57, 26] Operation: 98-72=26 Moving to Node #0,0 Current State: 21:[10, 57, 26], Operations: ['98-72=26'] Exploring Operation: 57-26=31, Resulting Numbers: [10, 31] Generated Node #0,0,0: 21:[10, 31] Operation: 57-26=31 Moving to Node #0,0,0 Current State: 21:[10, 31], Operations: ['98-72=26', '57-26=31'] Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 32, 84, 22, 70 ]
24
[ "32+84=116", "22+70=92", "116-92=24" ]
Current State: 24:[32, 84, 22, 70], Operations: [] Exploring Operation: 32+84=116, Resulting Numbers: [22, 70, 116] Generated Node #2: [22, 70, 116] from Operation: 32+84=116 Current State: 24:[22, 70, 116], Operations: ['32+84=116'] Exploring Operation: 22+70=92, Resulting Numbers: [116, 92] Generated Node #3: [116, 92] from Operation: 22+70=92 Current State: 24:[116, 92], Operations: ['32+84=116', '22+70=92'] Exploring Operation: 116-92=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[32, 84, 22, 70], Operations: [] Exploring Operation: 84-70=14, Resulting Numbers: [32, 22, 14] Generated Node #0,0: 24:[32, 22, 14] Operation: 84-70=14 Moving to Node #0,0 Current State: 24:[32, 22, 14], Operations: ['84-70=14'] Exploring Operation: 32-22=10, Resulting Numbers: [14, 10] Generated Node #0,0,0: 24:[14, 10] Operation: 32-22=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[14, 10], Operations: ['84-70=14', '32-22=10'] Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[32, 84, 22, 70], Operations: [] Exploring Operation: 84-70=14, Resulting Numbers: [32, 22, 14] Generated Node #0,0: 24:[32, 22, 14] Operation: 84-70=14 Moving to Node #0,0 Current State: 24:[32, 22, 14], Operations: ['84-70=14'] Exploring Operation: 32-22=10, Resulting Numbers: [14, 10] Generated Node #0,0,0: 24:[14, 10] Operation: 32-22=10 Moving to Node #0,0,0 Current State: 24:[14, 10], Operations: ['84-70=14', '32-22=10'] Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 93, 10, 16, 89 ]
56
[ "93-89=4", "10*4=40", "16+40=56" ]
Current State: 56:[93, 10, 16, 89], Operations: [] Exploring Operation: 93-89=4, Resulting Numbers: [10, 16, 4] Generated Node #2: [10, 16, 4] from Operation: 93-89=4 Current State: 56:[10, 16, 4], Operations: ['93-89=4'] Exploring Operation: 10*4=40, Resulting Numbers: [16, 40] Generated Node #3: [16, 40] from Operation: 10*4=40 Current State: 56:[16, 40], Operations: ['93-89=4', '10*4=40'] Exploring Operation: 16+40=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[93, 10, 16, 89], Operations: [] Exploring Operation: 93-10=83, Resulting Numbers: [16, 89, 83] Generated Node #0,0: 56:[16, 89, 83] Operation: 93-10=83 Exploring Operation: 89-16=73, Resulting Numbers: [93, 10, 73] Generated Node #0,1: 56:[93, 10, 73] Operation: 89-16=73 Exploring Operation: 93-89=4, Resulting Numbers: [10, 16, 4] Generated Node #0,2: 56:[10, 16, 4] Operation: 93-89=4 Exploring Operation: 93-16=77, Resulting Numbers: [10, 89, 77] Generated Node #0,3: 56:[10, 89, 77] Operation: 93-16=77 Moving to Node #0,2 Current State: 56:[10, 16, 4], Operations: ['93-89=4'] Exploring Operation: 16/4=4, Resulting Numbers: [10, 4] Generated Node #0,2,0: 56:[10, 4] Operation: 16/4=4 Exploring Operation: 16-10=6, Resulting Numbers: [4, 6] Generated Node #0,2,1: 56:[4, 6] Operation: 16-10=6 Exploring Operation: 10+16=26, Resulting Numbers: [4, 26] Generated Node #0,2,2: 56:[4, 26] Operation: 10+16=26 Exploring Operation: 10+4=14, Resulting Numbers: [16, 14] Generated Node #0,2,3: 56:[16, 14] Operation: 10+4=14 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 56:[4, 6], Operations: ['93-89=4', '16-10=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,56 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,56 unequal: No Solution No 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: 56:[10, 4], Operations: ['93-89=4', '16/4=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,56 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,56 unequal: No Solution No 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: 56:[4, 26], Operations: ['93-89=4', '10+16=26'] Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,56 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,56 unequal: No Solution No 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: 56:[16, 14], Operations: ['93-89=4', '10+4=14'] Exploring Operation: 16*14=224, Resulting Numbers: [224] 224,56 unequal: No Solution Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,56 unequal: No Solution Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,56 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: 56:[10, 89, 77], Operations: ['93-16=77'] Exploring Operation: 77-10=67, Resulting Numbers: [89, 67] Generated Node #0,3,0: 56:[89, 67] Operation: 77-10=67 Exploring Operation: 10+89=99, Resulting Numbers: [77, 99] Generated Node #0,3,1: 56:[77, 99] Operation: 10+89=99 Exploring Operation: 89-77=12, Resulting Numbers: [10, 12] Generated Node #0,3,2: 56:[10, 12] Operation: 89-77=12 Exploring Operation: 89-10=79, Resulting Numbers: [77, 79] Generated Node #0,3,3: 56:[77, 79] Operation: 89-10=79 Moving to Node #0,1 Current State: 56:[93, 10, 73], Operations: ['89-16=73'] Exploring Operation: 93-10=83, Resulting Numbers: [73, 83] Generated Node #0,1,0: 56:[73, 83] Operation: 93-10=83 Exploring Operation: 73-10=63, Resulting Numbers: [93, 63] Generated Node #0,1,1: 56:[93, 63] Operation: 73-10=63 Exploring Operation: 93-73=20, Resulting Numbers: [10, 20] Generated Node #0,1,2: 56:[10, 20] Operation: 93-73=20 Exploring Operation: 93+10=103, Resulting Numbers: [73, 103] Generated Node #0,1,3: 56:[73, 103] Operation: 93+10=103 Moving to Node #0,0 Current State: 56:[16, 89, 83], Operations: ['93-10=83'] Exploring Operation: 83-16=67, Resulting Numbers: [89, 67] Generated Node #0,0,0: 56:[89, 67] Operation: 83-16=67 Exploring Operation: 89-83=6, Resulting Numbers: [16, 6] Generated Node #0,0,1: 56:[16, 6] Operation: 89-83=6 Exploring Operation: 16+89=105, Resulting Numbers: [83, 105] Generated Node #0,0,2: 56:[83, 105] Operation: 16+89=105 Exploring Operation: 89-16=73, Resulting Numbers: [83, 73] Generated Node #0,0,3: 56:[83, 73] Operation: 89-16=73 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 56:[16, 6], Operations: ['93-10=83', '89-83=6'] Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,56 unequal: No Solution Exploring Operation: 16+6=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,56 unequal: No Solution No 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: 56:[89, 67], Operations: ['93-10=83', '83-16=67'] Exploring Operation: 89+67=156, Resulting Numbers: [156] 156,56 unequal: No Solution Exploring Operation: 89-67=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 89*67=5963, Resulting Numbers: [5963] 5963,56 unequal: No Solution No 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: 56:[83, 73], Operations: ['93-10=83', '89-16=73'] Exploring Operation: 83*73=6059, Resulting Numbers: [6059] 6059,56 unequal: No Solution Exploring Operation: 83-73=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 83+73=156, Resulting Numbers: [156] 156,56 unequal: No Solution No 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: 56:[83, 105], Operations: ['93-10=83', '16+89=105'] Exploring Operation: 105-83=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 83+105=188, Resulting Numbers: [188] 188,56 unequal: No Solution Exploring Operation: 83*105=8715, Resulting Numbers: [8715] 8715,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 56:[10, 12], Operations: ['93-16=77', '89-77=12'] Exploring Operation: 10*12=120, Resulting Numbers: [120] 120,56 unequal: No Solution Exploring Operation: 10+12=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,56 unequal: No Solution Moving to Node #0,1,2 Current State: 56:[10, 20], Operations: ['89-16=73', '93-73=20'] Exploring Operation: 10*20=200, Resulting Numbers: [200] 200,56 unequal: No Solution Exploring Operation: 10+20=30, Resulting Numbers: [30] 30,56 unequal: No Solution Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,56 unequal: No Solution Moving to Node #0,3,3 Current State: 56:[77, 79], Operations: ['93-16=77', '89-10=79'] Exploring Operation: 77+79=156, Resulting Numbers: [156] 156,56 unequal: No Solution Exploring Operation: 77*79=6083, Resulting Numbers: [6083] 6083,56 unequal: No Solution Exploring Operation: 79-77=2, Resulting Numbers: [2] 2,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[73, 83], Operations: ['89-16=73', '93-10=83'] Exploring Operation: 73*83=6059, Resulting Numbers: [6059] 6059,56 unequal: No Solution Exploring Operation: 83-73=10, Resulting Numbers: [10] 10,56 unequal: No Solution Exploring Operation: 73+83=156, Resulting Numbers: [156] 156,56 unequal: No Solution Moving to Node #0,1,1 Current State: 56:[93, 63], Operations: ['89-16=73', '73-10=63'] Exploring Operation: 93*63=5859, Resulting Numbers: [5859] 5859,56 unequal: No Solution Exploring Operation: 93+63=156, Resulting Numbers: [156] 156,56 unequal: No Solution Exploring Operation: 93-63=30, Resulting Numbers: [30] 30,56 unequal: No Solution Moving to Node #0,3,0 Current State: 56:[89, 67], Operations: ['93-16=77', '77-10=67'] Exploring Operation: 89-67=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 89*67=5963, Resulting Numbers: [5963] 5963,56 unequal: No Solution Exploring Operation: 89+67=156, Resulting Numbers: [156] 156,56 unequal: No Solution Moving to Node #0,3,1 Current State: 56:[77, 99], Operations: ['93-16=77', '10+89=99'] Exploring Operation: 77*99=7623, Resulting Numbers: [7623] 7623,56 unequal: No Solution Exploring Operation: 77+99=176, Resulting Numbers: [176] 176,56 unequal: No Solution Exploring Operation: 99-77=22, Resulting Numbers: [22] 22,56 unequal: No Solution Moving to Node #0,1,3 Current State: 56:[73, 103], Operations: ['89-16=73', '93+10=103'] Exploring Operation: 73+103=176, Resulting Numbers: [176] 176,56 unequal: No Solution Exploring Operation: 73*103=7519, Resulting Numbers: [7519] 7519,56 unequal: No Solution Exploring Operation: 103-73=30, Resulting Numbers: [30] 30,56 unequal: No Solution No solution found.
0
hs_4
mult_heuristic