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
[ 1, 40, 67, 58 ]
50
[ "1+40=41", "67-58=9", "41+9=50" ]
Current State: 50:[1, 40, 67, 58], Operations: [] Exploring Operation: 1+40=41, Resulting Numbers: [67, 58, 41] Generated Node #2: [67, 58, 41] from Operation: 1+40=41 Current State: 50:[67, 58, 41], Operations: ['1+40=41'] Exploring Operation: 67-58=9, Resulting Numbers: [41, 9] Generated Node #3: [41, 9] from Operation: 67-58=9 Current State: 50:[41, 9], Operations: ['1+40=41', '67-58=9'] Exploring Operation: 41+9=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[1, 40, 67, 58], Operations: [] Exploring Operation: 67-40=27, Resulting Numbers: [1, 58, 27] Generated Node #0,0: 50:[1, 58, 27] Operation: 67-40=27 Moving to Node #0,0 Current State: 50:[1, 58, 27], Operations: ['67-40=27'] Exploring Operation: 58-27=31, Resulting Numbers: [1, 31] Generated Node #0,0,0: 50:[1, 31] Operation: 58-27=31 Moving to Node #0,0,0 Current State: 50:[1, 31], Operations: ['67-40=27', '58-27=31'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,50 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 85, 22, 66, 44 ]
86
[ "66-22=44", "44/44=1", "85+1=86" ]
Current State: 86:[85, 22, 66, 44], Operations: [] Exploring Operation: 66-22=44, Resulting Numbers: [85, 44, 44] Generated Node #2: [85, 44, 44] from Operation: 66-22=44 Current State: 86:[85, 44, 44], Operations: ['66-22=44'] Exploring Operation: 44/44=1, Resulting Numbers: [85, 1] Generated Node #3: [85, 1] from Operation: 44/44=1 Current State: 86:[85, 1], Operations: ['66-22=44', '44/44=1'] Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[85, 22, 66, 44], Operations: [] Exploring Operation: 66/22=3, Resulting Numbers: [85, 44, 3] Generated Node #0,0: 86:[85, 44, 3] Operation: 66/22=3 Exploring Operation: 66-22=44, Resulting Numbers: [85, 44, 44] Generated Node #0,1: 86:[85, 44, 44] Operation: 66-22=44 Moving to Node #0,0 Current State: 86:[85, 44, 3], Operations: ['66/22=3'] Exploring Operation: 85-44=41, Resulting Numbers: [3, 41] Generated Node #0,0,0: 86:[3, 41] Operation: 85-44=41 Exploring Operation: 85+3=88, Resulting Numbers: [44, 88] Generated Node #0,0,1: 86:[44, 88] Operation: 85+3=88 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[3, 41], Operations: ['66/22=3', '85-44=41'] Exploring Operation: 3+41=44, Resulting Numbers: [44] 44,86 unequal: No Solution Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,86 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 #0,0,1 Current State: 86:[44, 88], Operations: ['66/22=3', '85+3=88'] Exploring Operation: 88/44=2, Resulting Numbers: [2] 2,86 unequal: No Solution Exploring Operation: 88-44=44, Resulting Numbers: [44] 44,86 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: 86:[85, 44, 44], Operations: ['66-22=44'] Exploring Operation: 44/44=1, Resulting Numbers: [85, 1] Generated Node #0,1,0: 86:[85, 1] Operation: 44/44=1 Exploring Operation: 85-44=41, Resulting Numbers: [44, 41] Generated Node #0,1,1: 86:[44, 41] Operation: 85-44=41 Moving to Node #0,1,0 Current State: 86:[85, 1], Operations: ['66-22=44', '44/44=1'] Exploring Operation: 85*1=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[85, 22, 66, 44], Operations: [] Exploring Operation: 66-22=44, Resulting Numbers: [85, 44, 44] Generated Node #0,1: 86:[85, 44, 44] Operation: 66-22=44 Moving to Node #0,1 Current State: 86:[85, 44, 44], Operations: ['66-22=44'] Exploring Operation: 44/44=1, Resulting Numbers: [85, 1] Generated Node #0,1,0: 86:[85, 1] Operation: 44/44=1 Moving to Node #0,1,0 Current State: 86:[85, 1], Operations: ['66-22=44', '44/44=1'] Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 27, 15, 9, 98 ]
65
[ "27+15=42", "9+98=107", "107-42=65" ]
Current State: 65:[27, 15, 9, 98], Operations: [] Exploring Operation: 27+15=42, Resulting Numbers: [9, 98, 42] Generated Node #2: [9, 98, 42] from Operation: 27+15=42 Current State: 65:[9, 98, 42], Operations: ['27+15=42'] Exploring Operation: 9+98=107, Resulting Numbers: [42, 107] Generated Node #3: [42, 107] from Operation: 9+98=107 Current State: 65:[42, 107], Operations: ['27+15=42', '9+98=107'] Exploring Operation: 107-42=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[27, 15, 9, 98], Operations: [] Exploring Operation: 98-27=71, Resulting Numbers: [15, 9, 71] Generated Node #0,0: 65:[15, 9, 71] Operation: 98-27=71 Moving to Node #0,0 Current State: 65:[15, 9, 71], Operations: ['98-27=71'] Exploring Operation: 71-9=62, Resulting Numbers: [15, 62] Generated Node #0,0,0: 65:[15, 62] Operation: 71-9=62 Moving to Node #0,0,0 Current State: 65:[15, 62], Operations: ['98-27=71', '71-9=62'] Exploring Operation: 15+62=77, Resulting Numbers: [77] 77,65 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 40, 29, 3, 24 ]
67
[ "40*3=120", "29+24=53", "120-53=67" ]
Current State: 67:[40, 29, 3, 24], Operations: [] Exploring Operation: 40*3=120, Resulting Numbers: [29, 24, 120] Generated Node #2: [29, 24, 120] from Operation: 40*3=120 Current State: 67:[29, 24, 120], Operations: ['40*3=120'] Exploring Operation: 29+24=53, Resulting Numbers: [120, 53] Generated Node #3: [120, 53] from Operation: 29+24=53 Current State: 67:[120, 53], Operations: ['40*3=120', '29+24=53'] Exploring Operation: 120-53=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[40, 29, 3, 24], Operations: [] Exploring Operation: 40+3=43, Resulting Numbers: [29, 24, 43] Generated Node #0,0: 67:[29, 24, 43] Operation: 40+3=43 Exploring Operation: 3*24=72, Resulting Numbers: [40, 29, 72] Generated Node #0,1: 67:[40, 29, 72] Operation: 3*24=72 Exploring Operation: 29*3=87, Resulting Numbers: [40, 24, 87] Generated Node #0,2: 67:[40, 24, 87] Operation: 29*3=87 Moving to Node #0,1 Current State: 67:[40, 29, 72], Operations: ['3*24=72'] Exploring Operation: 40-29=11, Resulting Numbers: [72, 11] Generated Node #0,1,0: 67:[72, 11] Operation: 40-29=11 Exploring Operation: 40+29=69, Resulting Numbers: [72, 69] Generated Node #0,1,1: 67:[72, 69] Operation: 40+29=69 Exploring Operation: 72-29=43, Resulting Numbers: [40, 43] Generated Node #0,1,2: 67:[40, 43] Operation: 72-29=43 Moving to Node #0,2 Current State: 67:[40, 24, 87], Operations: ['29*3=87'] Exploring Operation: 87-24=63, Resulting Numbers: [40, 63] Generated Node #0,2,0: 67:[40, 63] Operation: 87-24=63 Exploring Operation: 40+24=64, Resulting Numbers: [87, 64] Generated Node #0,2,1: 67:[87, 64] Operation: 40+24=64 Exploring Operation: 87-40=47, Resulting Numbers: [24, 47] Generated Node #0,2,2: 67:[24, 47] Operation: 87-40=47 Moving to Node #0,0 Current State: 67:[29, 24, 43], Operations: ['40+3=43'] Exploring Operation: 24+43=67, Resulting Numbers: [29, 67] Generated Node #0,0,0: 67:[29, 67] Operation: 24+43=67 Exploring Operation: 29+24=53, Resulting Numbers: [43, 53] Generated Node #0,0,1: 67:[43, 53] Operation: 29+24=53 Exploring Operation: 29+43=72, Resulting Numbers: [24, 72] Generated Node #0,0,2: 67:[24, 72] Operation: 29+43=72 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[29, 67], Operations: ['40+3=43', '24+43=67'] Exploring Operation: 67-29=38, Resulting Numbers: [38] 38,67 unequal: No Solution Exploring Operation: 29*67=1943, Resulting Numbers: [1943] 1943,67 unequal: No Solution Exploring Operation: 29+67=96, Resulting Numbers: [96] 96,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[43, 53], Operations: ['40+3=43', '29+24=53'] Exploring Operation: 43+53=96, Resulting Numbers: [96] 96,67 unequal: No Solution Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,67 unequal: No Solution Exploring Operation: 43*53=2279, Resulting Numbers: [2279] 2279,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 67:[24, 72], Operations: ['40+3=43', '29+43=72'] Exploring Operation: 72/24=3, Resulting Numbers: [3] 3,67 unequal: No Solution Exploring Operation: 72-24=48, Resulting Numbers: [48] 48,67 unequal: No Solution Exploring Operation: 24+72=96, Resulting Numbers: [96] 96,67 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: 67:[72, 69], Operations: ['3*24=72', '40+29=69'] Exploring Operation: 72-69=3, Resulting Numbers: [3] 3,67 unequal: No Solution Exploring Operation: 72*69=4968, Resulting Numbers: [4968] 4968,67 unequal: No Solution Exploring Operation: 72+69=141, Resulting Numbers: [141] 141,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[87, 64], Operations: ['29*3=87', '40+24=64'] Exploring Operation: 87-64=23, Resulting Numbers: [23] 23,67 unequal: No Solution Exploring Operation: 87*64=5568, Resulting Numbers: [5568] 5568,67 unequal: No Solution Exploring Operation: 87+64=151, Resulting Numbers: [151] 151,67 unequal: No Solution Moving to Node #0,2,0 Current State: 67:[40, 63], Operations: ['29*3=87', '87-24=63'] Exploring Operation: 40+63=103, Resulting Numbers: [103] 103,67 unequal: No Solution Exploring Operation: 40*63=2520, Resulting Numbers: [2520] 2520,67 unequal: No Solution Exploring Operation: 63-40=23, Resulting Numbers: [23] 23,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[40, 43], Operations: ['3*24=72', '72-29=43'] Exploring Operation: 43-40=3, Resulting Numbers: [3] 3,67 unequal: No Solution Exploring Operation: 40+43=83, Resulting Numbers: [83] 83,67 unequal: No Solution Exploring Operation: 40*43=1720, Resulting Numbers: [1720] 1720,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[72, 11], Operations: ['3*24=72', '40-29=11'] Exploring Operation: 72+11=83, Resulting Numbers: [83] 83,67 unequal: No Solution Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,67 unequal: No Solution Exploring Operation: 72*11=792, Resulting Numbers: [792] 792,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[24, 47], Operations: ['29*3=87', '87-40=47'] Exploring Operation: 47-24=23, Resulting Numbers: [23] 23,67 unequal: No Solution Exploring Operation: 24*47=1128, Resulting Numbers: [1128] 1128,67 unequal: No Solution Exploring Operation: 24+47=71, Resulting Numbers: [71] 71,67 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 3, 38, 31, 31 ]
42
[ "3+38=41", "31/31=1", "41+1=42" ]
Current State: 42:[3, 38, 31, 31], Operations: [] Exploring Operation: 3+38=41, Resulting Numbers: [31, 31, 41] Generated Node #2: [31, 31, 41] from Operation: 3+38=41 Current State: 42:[31, 31, 41], Operations: ['3+38=41'] Exploring Operation: 31/31=1, Resulting Numbers: [41, 1] Generated Node #3: [41, 1] from Operation: 31/31=1 Current State: 42:[41, 1], Operations: ['3+38=41', '31/31=1'] Exploring Operation: 41+1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[3, 38, 31, 31], Operations: [] Exploring Operation: 31/31=1, Resulting Numbers: [3, 38, 1] Generated Node #0,0: 42:[3, 38, 1] Operation: 31/31=1 Exploring Operation: 38-31=7, Resulting Numbers: [3, 31, 7] Generated Node #0,1: 42:[3, 31, 7] Operation: 38-31=7 Exploring Operation: 31-31=0, Resulting Numbers: [3, 38, 0] Generated Node #0,2: 42:[3, 38, 0] Operation: 31-31=0 Exploring Operation: 38-31=7, Resulting Numbers: [3, 31, 7] Generated Node #0,3: 42:[3, 31, 7] Operation: 38-31=7 Moving to Node #0,0 Current State: 42:[3, 38, 1], Operations: ['31/31=1'] Exploring Operation: 3-1=2, Resulting Numbers: [38, 2] Generated Node #0,0,0: 42:[38, 2] Operation: 3-1=2 Exploring Operation: 3*1=3, Resulting Numbers: [38, 3] Generated Node #0,0,1: 42:[38, 3] Operation: 3*1=3 Exploring Operation: 38+1=39, Resulting Numbers: [3, 39] Generated Node #0,0,2: 42:[3, 39] Operation: 38+1=39 Exploring Operation: 3+38=41, Resulting Numbers: [1, 41] Generated Node #0,0,3: 42:[1, 41] Operation: 3+38=41 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 42:[1, 41], Operations: ['31/31=1', '3+38=41'] Exploring Operation: 1*41=41, Resulting Numbers: [41] 41,42 unequal: No Solution Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,42 unequal: No Solution Exploring Operation: 1+41=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[3, 38, 31, 31], Operations: [] Exploring Operation: 31/31=1, Resulting Numbers: [3, 38, 1] Generated Node #0,0: 42:[3, 38, 1] Operation: 31/31=1 Moving to Node #0,0 Current State: 42:[3, 38, 1], Operations: ['31/31=1'] Exploring Operation: 3+38=41, Resulting Numbers: [1, 41] Generated Node #0,0,3: 42:[1, 41] Operation: 3+38=41 Moving to Node #0,0,3 Current State: 42:[1, 41], Operations: ['31/31=1', '3+38=41'] Exploring Operation: 1+41=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 60, 53, 3, 79 ]
31
[ "60+53=113", "3+79=82", "113-82=31" ]
Current State: 31:[60, 53, 3, 79], Operations: [] Exploring Operation: 60+53=113, Resulting Numbers: [3, 79, 113] Generated Node #2: [3, 79, 113] from Operation: 60+53=113 Current State: 31:[3, 79, 113], Operations: ['60+53=113'] Exploring Operation: 3+79=82, Resulting Numbers: [113, 82] Generated Node #3: [113, 82] from Operation: 3+79=82 Current State: 31:[113, 82], Operations: ['60+53=113', '3+79=82'] Exploring Operation: 113-82=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[60, 53, 3, 79], Operations: [] Exploring Operation: 79-53=26, Resulting Numbers: [60, 3, 26] Generated Node #0,0: 31:[60, 3, 26] Operation: 79-53=26 Exploring Operation: 79-60=19, Resulting Numbers: [53, 3, 19] Generated Node #0,1: 31:[53, 3, 19] Operation: 79-60=19 Exploring Operation: 60/3=20, Resulting Numbers: [53, 79, 20] Generated Node #0,2: 31:[53, 79, 20] Operation: 60/3=20 Exploring Operation: 60-3=57, Resulting Numbers: [53, 79, 57] Generated Node #0,3: 31:[53, 79, 57] Operation: 60-3=57 Moving to Node #0,0 Current State: 31:[60, 3, 26], Operations: ['79-53=26'] Exploring Operation: 3+26=29, Resulting Numbers: [60, 29] Generated Node #0,0,0: 31:[60, 29] Operation: 3+26=29 Exploring Operation: 60/3=20, Resulting Numbers: [26, 20] Generated Node #0,0,1: 31:[26, 20] Operation: 60/3=20 Exploring Operation: 60-3=57, Resulting Numbers: [26, 57] Generated Node #0,0,2: 31:[26, 57] Operation: 60-3=57 Exploring Operation: 60-26=34, Resulting Numbers: [3, 34] Generated Node #0,0,3: 31:[3, 34] Operation: 60-26=34 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 31:[26, 20], Operations: ['79-53=26', '60/3=20'] Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,31 unequal: No Solution Exploring Operation: 26+20=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 26*20=520, Resulting Numbers: [520] 520,31 unequal: No Solution No 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: 31:[60, 29], Operations: ['79-53=26', '3+26=29'] Exploring Operation: 60+29=89, Resulting Numbers: [89] 89,31 unequal: No Solution Exploring Operation: 60-29=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[60, 53, 3, 79], Operations: [] Exploring Operation: 79-53=26, Resulting Numbers: [60, 3, 26] Generated Node #0,0: 31:[60, 3, 26] Operation: 79-53=26 Moving to Node #0,0 Current State: 31:[60, 3, 26], Operations: ['79-53=26'] Exploring Operation: 3+26=29, Resulting Numbers: [60, 29] Generated Node #0,0,0: 31:[60, 29] Operation: 3+26=29 Moving to Node #0,0,0 Current State: 31:[60, 29], Operations: ['79-53=26', '3+26=29'] Exploring Operation: 60-29=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 68, 68, 85, 24 ]
20
[ "85-68=17", "68/17=4", "24-4=20" ]
Current State: 20:[68, 68, 85, 24], Operations: [] Exploring Operation: 85-68=17, Resulting Numbers: [24, 17] Generated Node #2: [24, 17] from Operation: 85-68=17 Current State: 20:[24, 17], Operations: ['85-68=17'] Exploring Operation: 68/17=4, Resulting Numbers: [24, 4] Generated Node #3: [24, 4] from Operation: 68/17=4 Current State: 20:[24, 4], Operations: ['85-68=17', '68/17=4'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[68, 68, 85, 24], Operations: [] Exploring Operation: 85-68=17, Resulting Numbers: [68, 24, 17] Generated Node #0,0: 20:[68, 24, 17] Operation: 85-68=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[68, 24, 17], Operations: ['85-68=17'] Exploring Operation: 68/17=4, Resulting Numbers: [24, 4] Generated Node #0,0,0: 20:[24, 4] Operation: 68/17=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[24, 4], Operations: ['85-68=17', '68/17=4'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[68, 68, 85, 24], Operations: [] Exploring Operation: 85-68=17, Resulting Numbers: [68, 24, 17] Generated Node #0,0: 20:[68, 24, 17] Operation: 85-68=17 Moving to Node #0,0 Current State: 20:[68, 24, 17], Operations: ['85-68=17'] Exploring Operation: 68/17=4, Resulting Numbers: [24, 4] Generated Node #0,0,0: 20:[24, 4] Operation: 68/17=4 Moving to Node #0,0,0 Current State: 20:[24, 4], Operations: ['85-68=17', '68/17=4'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 23, 35, 84, 83 ]
57
[ "23+35=58", "84-83=1", "58-1=57" ]
Current State: 57:[23, 35, 84, 83], Operations: [] Exploring Operation: 23+35=58, Resulting Numbers: [84, 83, 58] Generated Node #2: [84, 83, 58] from Operation: 23+35=58 Current State: 57:[84, 83, 58], Operations: ['23+35=58'] Exploring Operation: 84-83=1, Resulting Numbers: [58, 1] Generated Node #3: [58, 1] from Operation: 84-83=1 Current State: 57:[58, 1], Operations: ['23+35=58', '84-83=1'] Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[23, 35, 84, 83], Operations: [] Exploring Operation: 84-35=49, Resulting Numbers: [23, 83, 49] Generated Node #0,0: 57:[23, 83, 49] Operation: 84-35=49 Exploring Operation: 84-83=1, Resulting Numbers: [23, 35, 1] Generated Node #0,1: 57:[23, 35, 1] Operation: 84-83=1 Exploring Operation: 83-35=48, Resulting Numbers: [23, 84, 48] Generated Node #0,2: 57:[23, 84, 48] Operation: 83-35=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[23, 35, 1], Operations: ['84-83=1'] Exploring Operation: 23+35=58, Resulting Numbers: [1, 58] Generated Node #0,1,0: 57:[1, 58] Operation: 23+35=58 Exploring Operation: 35-23=12, Resulting Numbers: [1, 12] Generated Node #0,1,1: 57:[1, 12] Operation: 35-23=12 Exploring Operation: 23-1=22, Resulting Numbers: [35, 22] Generated Node #0,1,2: 57:[35, 22] Operation: 23-1=22 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 57:[1, 58], Operations: ['84-83=1', '23+35=58'] Exploring Operation: 1*58=58, Resulting Numbers: [58] 58,57 unequal: No Solution Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,57 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[23, 35, 84, 83], Operations: [] Exploring Operation: 84-83=1, Resulting Numbers: [23, 35, 1] Generated Node #0,1: 57:[23, 35, 1] Operation: 84-83=1 Moving to Node #0,1 Current State: 57:[23, 35, 1], Operations: ['84-83=1'] Exploring Operation: 23+35=58, Resulting Numbers: [1, 58] Generated Node #0,1,0: 57:[1, 58] Operation: 23+35=58 Moving to Node #0,1,0 Current State: 57:[1, 58], Operations: ['84-83=1', '23+35=58'] Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 74, 19, 75, 88 ]
69
[ "75-74=1", "88-19=69", "1*69=69" ]
Current State: 69:[74, 19, 75, 88], Operations: [] Exploring Operation: 75-74=1, Resulting Numbers: [19, 88, 1] Generated Node #2: [19, 88, 1] from Operation: 75-74=1 Current State: 69:[19, 88, 1], Operations: ['75-74=1'] Exploring Operation: 88-19=69, Resulting Numbers: [1, 69] Generated Node #3: [1, 69] from Operation: 88-19=69 Current State: 69:[1, 69], Operations: ['75-74=1', '88-19=69'] Exploring Operation: 1*69=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[74, 19, 75, 88], Operations: [] Exploring Operation: 88-74=14, Resulting Numbers: [19, 75, 14] Generated Node #0,0: 69:[19, 75, 14] Operation: 88-74=14 Exploring Operation: 88-19=69, Resulting Numbers: [74, 75, 69] Generated Node #0,1: 69:[74, 75, 69] Operation: 88-19=69 Exploring Operation: 75-74=1, Resulting Numbers: [19, 88, 1] Generated Node #0,2: 69:[19, 88, 1] Operation: 75-74=1 Exploring Operation: 88-75=13, Resulting Numbers: [74, 19, 13] Generated Node #0,3: 69:[74, 19, 13] Operation: 88-75=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[74, 75, 69], Operations: ['88-19=69'] Exploring Operation: 75-69=6, Resulting Numbers: [74, 6] Generated Node #0,1,0: 69:[74, 6] Operation: 75-69=6 Exploring Operation: 75-74=1, Resulting Numbers: [69, 1] Generated Node #0,1,1: 69:[69, 1] Operation: 75-74=1 Exploring Operation: 74-69=5, Resulting Numbers: [75, 5] Generated Node #0,1,2: 69:[75, 5] Operation: 74-69=5 Exploring Operation: 74+75=149, Resulting Numbers: [69, 149] Generated Node #0,1,3: 69:[69, 149] Operation: 74+75=149 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 69:[69, 1], Operations: ['88-19=69', '75-74=1'] Exploring Operation: 69*1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[74, 19, 75, 88], Operations: [] Exploring Operation: 88-19=69, Resulting Numbers: [74, 75, 69] Generated Node #0,1: 69:[74, 75, 69] Operation: 88-19=69 Moving to Node #0,1 Current State: 69:[74, 75, 69], Operations: ['88-19=69'] Exploring Operation: 75-74=1, Resulting Numbers: [69, 1] Generated Node #0,1,1: 69:[69, 1] Operation: 75-74=1 Moving to Node #0,1,1 Current State: 69:[69, 1], Operations: ['88-19=69', '75-74=1'] Exploring Operation: 69*1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 26, 9, 58, 21 ]
36
[ "26+58=84", "9*84=756", "756/21=36" ]
Current State: 36:[26, 9, 58, 21], Operations: [] Exploring Operation: 26+58=84, Resulting Numbers: [9, 21, 84] Generated Node #2: [9, 21, 84] from Operation: 26+58=84 Current State: 36:[9, 21, 84], Operations: ['26+58=84'] Exploring Operation: 9*84=756, Resulting Numbers: [21, 756] Generated Node #3: [21, 756] from Operation: 9*84=756 Current State: 36:[21, 756], Operations: ['26+58=84', '9*84=756'] Exploring Operation: 756/21=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[26, 9, 58, 21], Operations: [] Exploring Operation: 26-21=5, Resulting Numbers: [9, 58, 5] Generated Node #0,0: 36:[9, 58, 5] Operation: 26-21=5 Exploring Operation: 58-26=32, Resulting Numbers: [9, 21, 32] Generated Node #0,1: 36:[9, 21, 32] Operation: 58-26=32 Exploring Operation: 58-21=37, Resulting Numbers: [26, 9, 37] Generated Node #0,2: 36:[26, 9, 37] Operation: 58-21=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[9, 21, 32], Operations: ['58-26=32'] Exploring Operation: 21-9=12, Resulting Numbers: [32, 12] Generated Node #0,1,0: 36:[32, 12] Operation: 21-9=12 Exploring Operation: 9+32=41, Resulting Numbers: [21, 41] Generated Node #0,1,1: 36:[21, 41] Operation: 9+32=41 Exploring Operation: 32-21=11, Resulting Numbers: [9, 11] Generated Node #0,1,2: 36:[9, 11] Operation: 32-21=11 Moving to Node #0,1,2 Current State: 36:[9, 11], Operations: ['58-26=32', '32-21=11'] Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,36 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[32, 12], Operations: ['58-26=32', '21-9=12'] Exploring Operation: 32*12=384, Resulting Numbers: [384] 384,36 unequal: No Solution Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 32+12=44, Resulting Numbers: [44] 44,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[21, 41], Operations: ['58-26=32', '9+32=41'] Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 21*41=861, Resulting Numbers: [861] 861,36 unequal: No Solution Exploring Operation: 21+41=62, Resulting Numbers: [62] 62,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[26, 9, 37], Operations: ['58-21=37'] Exploring Operation: 26+9=35, Resulting Numbers: [37, 35] Generated Node #0,2,0: 36:[37, 35] Operation: 26+9=35 Exploring Operation: 26-9=17, Resulting Numbers: [37, 17] Generated Node #0,2,1: 36:[37, 17] Operation: 26-9=17 Exploring Operation: 37-26=11, Resulting Numbers: [9, 11] Generated Node #0,2,2: 36:[9, 11] Operation: 37-26=11 Moving to Node #0,2,2 Current State: 36:[9, 11], Operations: ['58-21=37', '37-26=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,36 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,36 unequal: No Solution Moving to Node #0,2,0 Current State: 36:[37, 35], Operations: ['58-21=37', '26+9=35'] Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 37*35=1295, Resulting Numbers: [1295] 1295,36 unequal: No Solution Exploring Operation: 37+35=72, Resulting Numbers: [72] 72,36 unequal: No Solution Moving to Node #0,2,1 Current State: 36:[37, 17], Operations: ['58-21=37', '26-9=17'] Exploring Operation: 37+17=54, Resulting Numbers: [54] 54,36 unequal: No Solution Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 37*17=629, Resulting Numbers: [629] 629,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[9, 58, 5], Operations: ['26-21=5'] Exploring Operation: 58-9=49, Resulting Numbers: [5, 49] Generated Node #0,0,0: 36:[5, 49] Operation: 58-9=49 Exploring Operation: 9-5=4, Resulting Numbers: [58, 4] Generated Node #0,0,1: 36:[58, 4] Operation: 9-5=4 Exploring Operation: 58-5=53, Resulting Numbers: [9, 53] Generated Node #0,0,2: 36:[9, 53] Operation: 58-5=53 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 36:[5, 49], Operations: ['26-21=5', '58-9=49'] Exploring Operation: 5*49=245, Resulting Numbers: [245] 245,36 unequal: No Solution Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 5+49=54, Resulting Numbers: [54] 54,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 36:[9, 53], Operations: ['26-21=5', '58-5=53'] Exploring Operation: 9+53=62, Resulting Numbers: [62] 62,36 unequal: No Solution Exploring Operation: 53-9=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 9*53=477, Resulting Numbers: [477] 477,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 36:[58, 4], Operations: ['26-21=5', '9-5=4'] Exploring Operation: 58+4=62, Resulting Numbers: [62] 62,36 unequal: No Solution Exploring Operation: 58*4=232, Resulting Numbers: [232] 232,36 unequal: No Solution Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 48, 81, 83, 8 ]
42
[ "81-48=33", "83-8=75", "75-33=42" ]
Current State: 42:[48, 81, 83, 8], Operations: [] Exploring Operation: 81-48=33, Resulting Numbers: [83, 8, 33] Generated Node #2: [83, 8, 33] from Operation: 81-48=33 Current State: 42:[83, 8, 33], Operations: ['81-48=33'] Exploring Operation: 83-8=75, Resulting Numbers: [33, 75] Generated Node #3: [33, 75] from Operation: 83-8=75 Current State: 42:[33, 75], Operations: ['81-48=33', '83-8=75'] Exploring Operation: 75-33=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[48, 81, 83, 8], Operations: [] Exploring Operation: 83-48=35, Resulting Numbers: [81, 8, 35] Generated Node #0,0: 42:[81, 8, 35] Operation: 83-48=35 Exploring Operation: 83-81=2, Resulting Numbers: [48, 8, 2] Generated Node #0,1: 42:[48, 8, 2] Operation: 83-81=2 Moving to Node #0,1 Current State: 42:[48, 8, 2], Operations: ['83-81=2'] Exploring Operation: 48-8=40, Resulting Numbers: [2, 40] Generated Node #0,1,0: 42:[2, 40] Operation: 48-8=40 Exploring Operation: 48/8=6, Resulting Numbers: [2, 6] Generated Node #0,1,1: 42:[2, 6] Operation: 48/8=6 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 42:[2, 6], Operations: ['83-81=2', '48/8=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,42 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 42:[2, 40], Operations: ['83-81=2', '48-8=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,42 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[48, 81, 83, 8], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [48, 8, 2] Generated Node #0,1: 42:[48, 8, 2] Operation: 83-81=2 Moving to Node #0,1 Current State: 42:[48, 8, 2], Operations: ['83-81=2'] Exploring Operation: 48-8=40, Resulting Numbers: [2, 40] Generated Node #0,1,0: 42:[2, 40] Operation: 48-8=40 Moving to Node #0,1,0 Current State: 42:[2, 40], Operations: ['83-81=2', '48-8=40'] Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 42, 94, 73, 92 ]
90
[ "94-73=21", "42/21=2", "92-2=90" ]
Current State: 90:[42, 94, 73, 92], Operations: [] Exploring Operation: 94-73=21, Resulting Numbers: [42, 92, 21] Generated Node #2: [42, 92, 21] from Operation: 94-73=21 Current State: 90:[42, 92, 21], Operations: ['94-73=21'] Exploring Operation: 42/21=2, Resulting Numbers: [92, 2] Generated Node #3: [92, 2] from Operation: 42/21=2 Current State: 90:[92, 2], Operations: ['94-73=21', '42/21=2'] Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[42, 94, 73, 92], Operations: [] Exploring Operation: 73-42=31, Resulting Numbers: [94, 92, 31] Generated Node #0,0: 90:[94, 92, 31] Operation: 73-42=31 Exploring Operation: 92-73=19, Resulting Numbers: [42, 94, 19] Generated Node #0,1: 90:[42, 94, 19] Operation: 92-73=19 Exploring Operation: 94-92=2, Resulting Numbers: [42, 73, 2] Generated Node #0,2: 90:[42, 73, 2] Operation: 94-92=2 Exploring Operation: 94-73=21, Resulting Numbers: [42, 92, 21] Generated Node #0,3: 90:[42, 92, 21] Operation: 94-73=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[94, 92, 31], Operations: ['73-42=31'] Exploring Operation: 94+31=125, Resulting Numbers: [92, 125] Generated Node #0,0,0: 90:[92, 125] Operation: 94+31=125 Exploring Operation: 94-31=63, Resulting Numbers: [92, 63] Generated Node #0,0,1: 90:[92, 63] Operation: 94-31=63 Exploring Operation: 94-92=2, Resulting Numbers: [31, 2] Generated Node #0,0,2: 90:[31, 2] Operation: 94-92=2 Exploring Operation: 92-31=61, Resulting Numbers: [94, 61] Generated Node #0,0,3: 90:[94, 61] Operation: 92-31=61 Moving to Node #0,0,2 Current State: 90:[31, 2], Operations: ['73-42=31', '94-92=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,90 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,90 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,90 unequal: No Solution Moving to Node #0,0,3 Current State: 90:[94, 61], Operations: ['73-42=31', '92-31=61'] Exploring Operation: 94+61=155, Resulting Numbers: [155] 155,90 unequal: No Solution Exploring Operation: 94*61=5734, Resulting Numbers: [5734] 5734,90 unequal: No Solution Exploring Operation: 94-61=33, Resulting Numbers: [33] 33,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[92, 63], Operations: ['73-42=31', '94-31=63'] Exploring Operation: 92+63=155, Resulting Numbers: [155] 155,90 unequal: No Solution Exploring Operation: 92-63=29, Resulting Numbers: [29] 29,90 unequal: No Solution Exploring Operation: 92*63=5796, Resulting Numbers: [5796] 5796,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[92, 125], Operations: ['73-42=31', '94+31=125'] Exploring Operation: 125-92=33, Resulting Numbers: [33] 33,90 unequal: No Solution Exploring Operation: 92+125=217, Resulting Numbers: [217] 217,90 unequal: No Solution Exploring Operation: 92*125=11500, Resulting Numbers: [11500] 11500,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[42, 94, 19], Operations: ['92-73=19'] Exploring Operation: 94-19=75, Resulting Numbers: [42, 75] Generated Node #0,1,0: 90:[42, 75] Operation: 94-19=75 Exploring Operation: 42-19=23, Resulting Numbers: [94, 23] Generated Node #0,1,1: 90:[94, 23] Operation: 42-19=23 Exploring Operation: 42+19=61, Resulting Numbers: [94, 61] Generated Node #0,1,2: 90:[94, 61] Operation: 42+19=61 Exploring Operation: 94-42=52, Resulting Numbers: [19, 52] Generated Node #0,1,3: 90:[19, 52] Operation: 94-42=52 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 90:[19, 52], Operations: ['92-73=19', '94-42=52'] Exploring Operation: 19*52=988, Resulting Numbers: [988] 988,90 unequal: No Solution Exploring Operation: 19+52=71, Resulting Numbers: [71] 71,90 unequal: No Solution Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,90 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 #0,1,1 Current State: 90:[94, 23], Operations: ['92-73=19', '42-19=23'] Exploring Operation: 94-23=71, Resulting Numbers: [71] 71,90 unequal: No Solution Exploring Operation: 94*23=2162, Resulting Numbers: [2162] 2162,90 unequal: No Solution Exploring Operation: 94+23=117, Resulting Numbers: [117] 117,90 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 #0,1,0 Current State: 90:[42, 75], Operations: ['92-73=19', '94-19=75'] Exploring Operation: 42+75=117, Resulting Numbers: [117] 117,90 unequal: No Solution Exploring Operation: 42*75=3150, Resulting Numbers: [3150] 3150,90 unequal: No Solution Exploring Operation: 75-42=33, Resulting Numbers: [33] 33,90 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 #0,1,2 Current State: 90:[94, 61], Operations: ['92-73=19', '42+19=61'] Exploring Operation: 94*61=5734, Resulting Numbers: [5734] 5734,90 unequal: No Solution Exploring Operation: 94-61=33, Resulting Numbers: [33] 33,90 unequal: No Solution Exploring Operation: 94+61=155, Resulting Numbers: [155] 155,90 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 #0,3 Current State: 90:[42, 92, 21], Operations: ['94-73=21'] Exploring Operation: 42-21=21, Resulting Numbers: [92, 21] Generated Node #0,3,0: 90:[92, 21] Operation: 42-21=21 Exploring Operation: 42/21=2, Resulting Numbers: [92, 2] Generated Node #0,3,1: 90:[92, 2] Operation: 42/21=2 Exploring Operation: 92-42=50, Resulting Numbers: [21, 50] Generated Node #0,3,2: 90:[21, 50] Operation: 92-42=50 Exploring Operation: 42+21=63, Resulting Numbers: [92, 63] Generated Node #0,3,3: 90:[92, 63] Operation: 42+21=63 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 90:[92, 2], Operations: ['94-73=21', '42/21=2'] Exploring Operation: 92*2=184, Resulting Numbers: [184] 184,90 unequal: No Solution Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[42, 94, 73, 92], Operations: [] Exploring Operation: 94-73=21, Resulting Numbers: [42, 92, 21] Generated Node #0,3: 90:[42, 92, 21] Operation: 94-73=21 Moving to Node #0,3 Current State: 90:[42, 92, 21], Operations: ['94-73=21'] Exploring Operation: 42/21=2, Resulting Numbers: [92, 2] Generated Node #0,3,1: 90:[92, 2] Operation: 42/21=2 Moving to Node #0,3,1 Current State: 90:[92, 2], Operations: ['94-73=21', '42/21=2'] Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.960069
hs_4
sum_heuristic
[ 36, 72, 24, 4 ]
94
[ "72/36=2", "24*4=96", "96-2=94" ]
Current State: 94:[36, 72, 24, 4], Operations: [] Exploring Operation: 72/36=2, Resulting Numbers: [24, 4, 2] Generated Node #2: [24, 4, 2] from Operation: 72/36=2 Current State: 94:[24, 4, 2], Operations: ['72/36=2'] Exploring Operation: 24*4=96, Resulting Numbers: [2, 96] Generated Node #3: [2, 96] from Operation: 24*4=96 Current State: 94:[2, 96], Operations: ['72/36=2', '24*4=96'] Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[36, 72, 24, 4], Operations: [] Exploring Operation: 72-24=48, Resulting Numbers: [36, 4, 48] Generated Node #0,0: 94:[36, 4, 48] Operation: 72-24=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[36, 4, 48], Operations: ['72-24=48'] Exploring Operation: 36+4=40, Resulting Numbers: [48, 40] Generated Node #0,0,0: 94:[48, 40] Operation: 36+4=40 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 94:[48, 40], Operations: ['72-24=48', '36+4=40'] Exploring Operation: 48+40=88, Resulting Numbers: [88] 88,94 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
[ 95, 36, 14, 78 ]
98
[ "78-36=42", "42/14=3", "95+3=98" ]
Current State: 98:[95, 36, 14, 78], Operations: [] Exploring Operation: 78-36=42, Resulting Numbers: [95, 14, 42] Generated Node #2: [95, 14, 42] from Operation: 78-36=42 Current State: 98:[95, 14, 42], Operations: ['78-36=42'] Exploring Operation: 42/14=3, Resulting Numbers: [95, 3] Generated Node #3: [95, 3] from Operation: 42/14=3 Current State: 98:[95, 3], Operations: ['78-36=42', '42/14=3'] Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[95, 36, 14, 78], Operations: [] Exploring Operation: 78-36=42, Resulting Numbers: [95, 14, 42] Generated Node #0,0: 98:[95, 14, 42] Operation: 78-36=42 Exploring Operation: 36+78=114, Resulting Numbers: [95, 14, 114] Generated Node #0,1: 98:[95, 14, 114] Operation: 36+78=114 Exploring Operation: 95-78=17, Resulting Numbers: [36, 14, 17] Generated Node #0,2: 98:[36, 14, 17] Operation: 95-78=17 Moving to Node #0,0 Current State: 98:[95, 14, 42], Operations: ['78-36=42'] Exploring Operation: 95-42=53, Resulting Numbers: [14, 53] Generated Node #0,0,0: 98:[14, 53] Operation: 95-42=53 Exploring Operation: 14+42=56, Resulting Numbers: [95, 56] Generated Node #0,0,1: 98:[95, 56] Operation: 14+42=56 Exploring Operation: 42/14=3, Resulting Numbers: [95, 3] Generated Node #0,0,2: 98:[95, 3] Operation: 42/14=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[14, 53], Operations: ['78-36=42', '95-42=53'] Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,98 unequal: No Solution Exploring Operation: 14+53=67, Resulting Numbers: [67] 67,98 unequal: No Solution Exploring Operation: 14*53=742, Resulting Numbers: [742] 742,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 98:[95, 3], Operations: ['78-36=42', '42/14=3'] Exploring Operation: 95*3=285, Resulting Numbers: [285] 285,98 unequal: No Solution Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[95, 36, 14, 78], Operations: [] Exploring Operation: 78-36=42, Resulting Numbers: [95, 14, 42] Generated Node #0,0: 98:[95, 14, 42] Operation: 78-36=42 Moving to Node #0,0 Current State: 98:[95, 14, 42], Operations: ['78-36=42'] Exploring Operation: 42/14=3, Resulting Numbers: [95, 3] Generated Node #0,0,2: 98:[95, 3] Operation: 42/14=3 Moving to Node #0,0,2 Current State: 98:[95, 3], Operations: ['78-36=42', '42/14=3'] Exploring Operation: 95+3=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 89, 5, 40, 47 ]
34
[ "89-47=42", "40/5=8", "42-8=34" ]
Current State: 34:[89, 5, 40, 47], Operations: [] Exploring Operation: 89-47=42, Resulting Numbers: [5, 40, 42] Generated Node #2: [5, 40, 42] from Operation: 89-47=42 Current State: 34:[5, 40, 42], Operations: ['89-47=42'] Exploring Operation: 40/5=8, Resulting Numbers: [42, 8] Generated Node #3: [42, 8] from Operation: 40/5=8 Current State: 34:[42, 8], Operations: ['89-47=42', '40/5=8'] Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[89, 5, 40, 47], Operations: [] Exploring Operation: 47-40=7, Resulting Numbers: [89, 5, 7] Generated Node #0,0: 34:[89, 5, 7] Operation: 47-40=7 Exploring Operation: 40-5=35, Resulting Numbers: [89, 47, 35] Generated Node #0,1: 34:[89, 47, 35] Operation: 40-5=35 Exploring Operation: 89-47=42, Resulting Numbers: [5, 40, 42] Generated Node #0,2: 34:[5, 40, 42] Operation: 89-47=42 Exploring Operation: 89-5=84, Resulting Numbers: [40, 47, 84] Generated Node #0,3: 34:[40, 47, 84] Operation: 89-5=84 Exploring Operation: 89-40=49, Resulting Numbers: [5, 47, 49] Generated Node #0,4: 34:[5, 47, 49] Operation: 89-40=49 Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[5, 40, 42], Operations: ['89-47=42'] Exploring Operation: 5+40=45, Resulting Numbers: [42, 45] Generated Node #0,2,0: 34:[42, 45] Operation: 5+40=45 Exploring Operation: 40-5=35, Resulting Numbers: [42, 35] Generated Node #0,2,1: 34:[42, 35] Operation: 40-5=35 Exploring Operation: 42-5=37, Resulting Numbers: [40, 37] Generated Node #0,2,2: 34:[40, 37] Operation: 42-5=37 Exploring Operation: 40/5=8, Resulting Numbers: [42, 8] Generated Node #0,2,3: 34:[42, 8] Operation: 40/5=8 Exploring Operation: 42-40=2, Resulting Numbers: [5, 2] Generated Node #0,2,4: 34:[5, 2] Operation: 42-40=2 Moving to Node #0,2,4 Current State: 34:[5, 2], Operations: ['89-47=42', '42-40=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,34 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,34 unequal: No Solution Moving to Node #0,2,2 Current State: 34:[40, 37], Operations: ['89-47=42', '42-5=37'] Exploring Operation: 40+37=77, Resulting Numbers: [77] 77,34 unequal: No Solution Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,34 unequal: No Solution Exploring Operation: 40*37=1480, Resulting Numbers: [1480] 1480,34 unequal: No Solution Moving to Node #0,2,1 Current State: 34:[42, 35], Operations: ['89-47=42', '40-5=35'] Exploring Operation: 42+35=77, Resulting Numbers: [77] 77,34 unequal: No Solution Exploring Operation: 42*35=1470, Resulting Numbers: [1470] 1470,34 unequal: No Solution Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,34 unequal: No Solution Moving to Node #0,2,3 Current State: 34:[42, 8], Operations: ['89-47=42', '40/5=8'] Exploring Operation: 42+8=50, Resulting Numbers: [50] 50,34 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[89, 5, 40, 47], Operations: [] Exploring Operation: 89-47=42, Resulting Numbers: [5, 40, 42] Generated Node #0,2: 34:[5, 40, 42] Operation: 89-47=42 Moving to Node #0,2 Current State: 34:[5, 40, 42], Operations: ['89-47=42'] Exploring Operation: 40/5=8, Resulting Numbers: [42, 8] Generated Node #0,2,3: 34:[42, 8] Operation: 40/5=8 Moving to Node #0,2,3 Current State: 34:[42, 8], Operations: ['89-47=42', '40/5=8'] Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_5
mult_heuristic
[ 10, 75, 92, 23 ]
30
[ "10+75=85", "92+23=115", "115-85=30" ]
Current State: 30:[10, 75, 92, 23], Operations: [] Exploring Operation: 10+75=85, Resulting Numbers: [92, 23, 85] Generated Node #2: [92, 23, 85] from Operation: 10+75=85 Current State: 30:[92, 23, 85], Operations: ['10+75=85'] Exploring Operation: 92+23=115, Resulting Numbers: [85, 115] Generated Node #3: [85, 115] from Operation: 92+23=115 Current State: 30:[85, 115], Operations: ['10+75=85', '92+23=115'] Exploring Operation: 115-85=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[10, 75, 92, 23], Operations: [] Exploring Operation: 92-75=17, Resulting Numbers: [10, 23, 17] Generated Node #0,0: 30:[10, 23, 17] Operation: 92-75=17 Exploring Operation: 92/23=4, Resulting Numbers: [10, 75, 4] Generated Node #0,1: 30:[10, 75, 4] Operation: 92/23=4 Exploring Operation: 92-23=69, Resulting Numbers: [10, 75, 69] Generated Node #0,2: 30:[10, 75, 69] Operation: 92-23=69 Exploring Operation: 75-23=52, Resulting Numbers: [10, 92, 52] Generated Node #0,3: 30:[10, 92, 52] Operation: 75-23=52 Moving to Node #0,0 Current State: 30:[10, 23, 17], Operations: ['92-75=17'] Exploring Operation: 10+23=33, Resulting Numbers: [17, 33] Generated Node #0,0,0: 30:[17, 33] Operation: 10+23=33 Exploring Operation: 23-17=6, Resulting Numbers: [10, 6] Generated Node #0,0,1: 30:[10, 6] Operation: 23-17=6 Exploring Operation: 17-10=7, Resulting Numbers: [23, 7] Generated Node #0,0,2: 30:[23, 7] Operation: 17-10=7 Exploring Operation: 23-10=13, Resulting Numbers: [17, 13] Generated Node #0,0,3: 30:[17, 13] Operation: 23-10=13 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[10, 6], Operations: ['92-75=17', '23-17=6'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,30 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 30:[17, 13], Operations: ['92-75=17', '23-10=13'] Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,30 unequal: No Solution Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[10, 75, 92, 23], Operations: [] Exploring Operation: 92-75=17, Resulting Numbers: [10, 23, 17] Generated Node #0,0: 30:[10, 23, 17] Operation: 92-75=17 Moving to Node #0,0 Current State: 30:[10, 23, 17], Operations: ['92-75=17'] Exploring Operation: 23-10=13, Resulting Numbers: [17, 13] Generated Node #0,0,3: 30:[17, 13] Operation: 23-10=13 Moving to Node #0,0,3 Current State: 30:[17, 13], Operations: ['92-75=17', '23-10=13'] Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 17, 45, 46, 36 ]
53
[ "17+36=53", "46-45=1", "53*1=53" ]
Current State: 53:[17, 45, 46, 36], Operations: [] Exploring Operation: 17+36=53, Resulting Numbers: [45, 46, 53] Generated Node #2: [45, 46, 53] from Operation: 17+36=53 Current State: 53:[45, 46, 53], Operations: ['17+36=53'] Exploring Operation: 46-45=1, Resulting Numbers: [53, 1] Generated Node #3: [53, 1] from Operation: 46-45=1 Current State: 53:[53, 1], Operations: ['17+36=53', '46-45=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[17, 45, 46, 36], Operations: [] Exploring Operation: 45-17=28, Resulting Numbers: [46, 36, 28] Generated Node #0,0: 53:[46, 36, 28] Operation: 45-17=28 Exploring Operation: 17+36=53, Resulting Numbers: [45, 46, 53] Generated Node #0,1: 53:[45, 46, 53] Operation: 17+36=53 Exploring Operation: 17+45=62, Resulting Numbers: [46, 36, 62] Generated Node #0,2: 53:[46, 36, 62] Operation: 17+45=62 Exploring Operation: 17+46=63, Resulting Numbers: [45, 36, 63] Generated Node #0,3: 53:[45, 36, 63] Operation: 17+46=63 Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[45, 46, 53], Operations: ['17+36=53'] Exploring Operation: 53-45=8, Resulting Numbers: [46, 8] Generated Node #0,1,0: 53:[46, 8] Operation: 53-45=8 Exploring Operation: 45+53=98, Resulting Numbers: [46, 98] Generated Node #0,1,1: 53:[46, 98] Operation: 45+53=98 Exploring Operation: 45+46=91, Resulting Numbers: [53, 91] Generated Node #0,1,2: 53:[53, 91] Operation: 45+46=91 Exploring Operation: 46-45=1, Resulting Numbers: [53, 1] Generated Node #0,1,3: 53:[53, 1] Operation: 46-45=1 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 53:[53, 91], Operations: ['17+36=53', '45+46=91'] Exploring Operation: 53*91=4823, Resulting Numbers: [4823] 4823,53 unequal: No Solution Exploring Operation: 53+91=144, Resulting Numbers: [144] 144,53 unequal: No Solution Exploring Operation: 91-53=38, Resulting Numbers: [38] 38,53 unequal: No Solution No 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: 53:[46, 8], Operations: ['17+36=53', '53-45=8'] Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,53 unequal: No Solution Exploring Operation: 46+8=54, Resulting Numbers: [54] 54,53 unequal: No Solution Exploring Operation: 46*8=368, Resulting Numbers: [368] 368,53 unequal: No Solution No 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: 53:[46, 98], Operations: ['17+36=53', '45+53=98'] Exploring Operation: 46+98=144, Resulting Numbers: [144] 144,53 unequal: No Solution Exploring Operation: 98-46=52, Resulting Numbers: [52] 52,53 unequal: No Solution Exploring Operation: 46*98=4508, Resulting Numbers: [4508] 4508,53 unequal: No Solution No 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: 53:[53, 1], Operations: ['17+36=53', '46-45=1'] Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,53 unequal: No Solution Exploring Operation: 53+1=54, Resulting Numbers: [54] 54,53 unequal: No Solution Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[17, 45, 46, 36], Operations: [] Exploring Operation: 17+36=53, Resulting Numbers: [45, 46, 53] Generated Node #0,1: 53:[45, 46, 53] Operation: 17+36=53 Moving to Node #0,1 Current State: 53:[45, 46, 53], Operations: ['17+36=53'] Exploring Operation: 46-45=1, Resulting Numbers: [53, 1] Generated Node #0,1,3: 53:[53, 1] Operation: 46-45=1 Moving to Node #0,1,3 Current State: 53:[53, 1], Operations: ['17+36=53', '46-45=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_4
mult_heuristic
[ 53, 6, 30, 62 ]
79
[ "53-6=47", "62-30=32", "47+32=79" ]
Current State: 79:[53, 6, 30, 62], Operations: [] Exploring Operation: 53-6=47, Resulting Numbers: [30, 62, 47] Generated Node #2: [30, 62, 47] from Operation: 53-6=47 Current State: 79:[30, 62, 47], Operations: ['53-6=47'] Exploring Operation: 62-30=32, Resulting Numbers: [47, 32] Generated Node #3: [47, 32] from Operation: 62-30=32 Current State: 79:[47, 32], Operations: ['53-6=47', '62-30=32'] Exploring Operation: 47+32=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[53, 6, 30, 62], Operations: [] Exploring Operation: 53+6=59, Resulting Numbers: [30, 62, 59] Generated Node #0,0: 79:[30, 62, 59] Operation: 53+6=59 Exploring Operation: 6+30=36, Resulting Numbers: [53, 62, 36] Generated Node #0,1: 79:[53, 62, 36] Operation: 6+30=36 Exploring Operation: 6+62=68, Resulting Numbers: [53, 30, 68] Generated Node #0,2: 79:[53, 30, 68] Operation: 6+62=68 Moving to Node #0,0 Current State: 79:[30, 62, 59], Operations: ['53+6=59'] Exploring Operation: 62-30=32, Resulting Numbers: [59, 32] Generated Node #0,0,0: 79:[59, 32] Operation: 62-30=32 Exploring Operation: 30+59=89, Resulting Numbers: [62, 89] Generated Node #0,0,1: 79:[62, 89] Operation: 30+59=89 Exploring Operation: 30+62=92, Resulting Numbers: [59, 92] Generated Node #0,0,2: 79:[59, 92] Operation: 30+62=92 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 79:[62, 89], Operations: ['53+6=59', '30+59=89'] Exploring Operation: 89-62=27, Resulting Numbers: [27] 27,79 unequal: No Solution Exploring Operation: 62*89=5518, Resulting Numbers: [5518] 5518,79 unequal: No Solution Exploring Operation: 62+89=151, Resulting Numbers: [151] 151,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 79:[59, 92], Operations: ['53+6=59', '30+62=92'] Exploring Operation: 59+92=151, Resulting Numbers: [151] 151,79 unequal: No Solution Exploring Operation: 92-59=33, Resulting Numbers: [33] 33,79 unequal: No Solution Exploring Operation: 59*92=5428, Resulting Numbers: [5428] 5428,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[59, 32], Operations: ['53+6=59', '62-30=32'] Exploring Operation: 59-32=27, Resulting Numbers: [27] 27,79 unequal: No Solution Exploring Operation: 59+32=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 59*32=1888, Resulting Numbers: [1888] 1888,79 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: 79:[53, 62, 36], Operations: ['6+30=36'] Exploring Operation: 53+36=89, Resulting Numbers: [62, 89] Generated Node #0,1,0: 79:[62, 89] Operation: 53+36=89 Exploring Operation: 62+36=98, Resulting Numbers: [53, 98] Generated Node #0,1,1: 79:[53, 98] Operation: 62+36=98 Exploring Operation: 53+62=115, Resulting Numbers: [36, 115] Generated Node #0,1,2: 79:[36, 115] Operation: 53+62=115 Moving to Node #0,2 Current State: 79:[53, 30, 68], Operations: ['6+62=68'] Exploring Operation: 53+30=83, Resulting Numbers: [68, 83] Generated Node #0,2,0: 79:[68, 83] Operation: 53+30=83 Exploring Operation: 30+68=98, Resulting Numbers: [53, 98] Generated Node #0,2,1: 79:[53, 98] Operation: 30+68=98 Exploring Operation: 53-30=23, Resulting Numbers: [68, 23] Generated Node #0,2,2: 79:[68, 23] Operation: 53-30=23 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 79:[68, 83], Operations: ['6+62=68', '53+30=83'] Exploring Operation: 68+83=151, Resulting Numbers: [151] 151,79 unequal: No Solution Exploring Operation: 83-68=15, Resulting Numbers: [15] 15,79 unequal: No Solution Exploring Operation: 68*83=5644, Resulting Numbers: [5644] 5644,79 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 #0,2,1 Current State: 79:[53, 98], Operations: ['6+62=68', '30+68=98'] Exploring Operation: 98-53=45, Resulting Numbers: [45] 45,79 unequal: No Solution Exploring Operation: 53+98=151, Resulting Numbers: [151] 151,79 unequal: No Solution Exploring Operation: 53*98=5194, Resulting Numbers: [5194] 5194,79 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 #0,2,2 Current State: 79:[68, 23], Operations: ['6+62=68', '53-30=23'] Exploring Operation: 68-23=45, Resulting Numbers: [45] 45,79 unequal: No Solution Exploring Operation: 68+23=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 68*23=1564, Resulting Numbers: [1564] 1564,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 79:[62, 89], Operations: ['6+30=36', '53+36=89'] Exploring Operation: 62+89=151, Resulting Numbers: [151] 151,79 unequal: No Solution Exploring Operation: 89-62=27, Resulting Numbers: [27] 27,79 unequal: No Solution Exploring Operation: 62*89=5518, Resulting Numbers: [5518] 5518,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[53, 98], Operations: ['6+30=36', '62+36=98'] Exploring Operation: 53+98=151, Resulting Numbers: [151] 151,79 unequal: No Solution Exploring Operation: 98-53=45, Resulting Numbers: [45] 45,79 unequal: No Solution Exploring Operation: 53*98=5194, Resulting Numbers: [5194] 5194,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[36, 115], Operations: ['6+30=36', '53+62=115'] Exploring Operation: 36+115=151, Resulting Numbers: [151] 151,79 unequal: No Solution Exploring Operation: 36*115=4140, Resulting Numbers: [4140] 4140,79 unequal: No Solution Exploring Operation: 115-36=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[53, 6, 30, 62], Operations: [] Exploring Operation: 6+30=36, Resulting Numbers: [53, 62, 36] Generated Node #0,1: 79:[53, 62, 36] Operation: 6+30=36 Moving to Node #0,1 Current State: 79:[53, 62, 36], Operations: ['6+30=36'] Exploring Operation: 53+62=115, Resulting Numbers: [36, 115] Generated Node #0,1,2: 79:[36, 115] Operation: 53+62=115 Moving to Node #0,1,2 Current State: 79:[36, 115], Operations: ['6+30=36', '53+62=115'] Exploring Operation: 115-36=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
0.962674
hs_3
sum_heuristic
[ 89, 3, 91, 8 ]
12
[ "91-89=2", "3*8=24", "24/2=12" ]
Current State: 12:[89, 3, 91, 8], Operations: [] Exploring Operation: 91-89=2, Resulting Numbers: [3, 8, 2] Generated Node #2: [3, 8, 2] from Operation: 91-89=2 Current State: 12:[3, 8, 2], Operations: ['91-89=2'] Exploring Operation: 3*8=24, Resulting Numbers: [2, 24] Generated Node #3: [2, 24] from Operation: 3*8=24 Current State: 12:[2, 24], Operations: ['91-89=2', '3*8=24'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[89, 3, 91, 8], Operations: [] Exploring Operation: 91-89=2, Resulting Numbers: [3, 8, 2] Generated Node #0,0: 12:[3, 8, 2] Operation: 91-89=2 Moving to Node #0,0 Current State: 12:[3, 8, 2], Operations: ['91-89=2'] Exploring Operation: 8-2=6, Resulting Numbers: [3, 6] Generated Node #0,0,0: 12:[3, 6] Operation: 8-2=6 Moving to Node #0,0,0 Current State: 12:[3, 6], Operations: ['91-89=2', '8-2=6'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,12 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 8, 58, 45, 54 ]
90
[ "8*45=360", "58-54=4", "360/4=90" ]
Current State: 90:[8, 58, 45, 54], Operations: [] Exploring Operation: 8*45=360, Resulting Numbers: [58, 54, 360] Generated Node #2: [58, 54, 360] from Operation: 8*45=360 Current State: 90:[58, 54, 360], Operations: ['8*45=360'] Exploring Operation: 58-54=4, Resulting Numbers: [360, 4] Generated Node #3: [360, 4] from Operation: 58-54=4 Current State: 90:[360, 4], Operations: ['8*45=360', '58-54=4'] Exploring Operation: 360/4=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[8, 58, 45, 54], Operations: [] Exploring Operation: 58-45=13, Resulting Numbers: [8, 54, 13] Generated Node #0,0: 90:[8, 54, 13] Operation: 58-45=13 Exploring Operation: 58-54=4, Resulting Numbers: [8, 45, 4] Generated Node #0,1: 90:[8, 45, 4] Operation: 58-54=4 Moving to Node #0,1 Current State: 90:[8, 45, 4], Operations: ['58-54=4'] Exploring Operation: 8-4=4, Resulting Numbers: [45, 4] Generated Node #0,1,0: 90:[45, 4] Operation: 8-4=4 Exploring Operation: 8/4=2, Resulting Numbers: [45, 2] Generated Node #0,1,1: 90:[45, 2] Operation: 8/4=2 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 90:[45, 2], Operations: ['58-54=4', '8/4=2'] Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,90 unequal: No Solution Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[8, 58, 45, 54], Operations: [] Exploring Operation: 58-54=4, Resulting Numbers: [8, 45, 4] Generated Node #0,1: 90:[8, 45, 4] Operation: 58-54=4 Moving to Node #0,1 Current State: 90:[8, 45, 4], Operations: ['58-54=4'] Exploring Operation: 8/4=2, Resulting Numbers: [45, 2] Generated Node #0,1,1: 90:[45, 2] Operation: 8/4=2 Moving to Node #0,1,1 Current State: 90:[45, 2], Operations: ['58-54=4', '8/4=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 93, 40, 25, 85 ]
32
[ "93-25=68", "40*68=2720", "2720/85=32" ]
Current State: 32:[93, 40, 25, 85], Operations: [] Exploring Operation: 93-25=68, Resulting Numbers: [40, 85, 68] Generated Node #2: [40, 85, 68] from Operation: 93-25=68 Current State: 32:[40, 85, 68], Operations: ['93-25=68'] Exploring Operation: 40*68=2720, Resulting Numbers: [85, 2720] Generated Node #3: [85, 2720] from Operation: 40*68=2720 Current State: 32:[85, 2720], Operations: ['93-25=68', '40*68=2720'] Exploring Operation: 2720/85=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[93, 40, 25, 85], Operations: [] Exploring Operation: 93-85=8, Resulting Numbers: [40, 25, 8] Generated Node #0,0: 32:[40, 25, 8] Operation: 93-85=8 Moving to Node #0,0 Current State: 32:[40, 25, 8], Operations: ['93-85=8'] Exploring Operation: 40-25=15, Resulting Numbers: [8, 15] Generated Node #0,0,0: 32:[8, 15] Operation: 40-25=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[8, 15], Operations: ['93-85=8', '40-25=15'] Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,32 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
[ 66, 13, 37, 6 ]
35
[ "66/6=11", "37-13=24", "11+24=35" ]
Current State: 35:[66, 13, 37, 6], Operations: [] Exploring Operation: 66/6=11, Resulting Numbers: [13, 37, 11] Generated Node #2: [13, 37, 11] from Operation: 66/6=11 Current State: 35:[13, 37, 11], Operations: ['66/6=11'] Exploring Operation: 37-13=24, Resulting Numbers: [11, 24] Generated Node #3: [11, 24] from Operation: 37-13=24 Current State: 35:[11, 24], Operations: ['66/6=11', '37-13=24'] Exploring Operation: 11+24=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[66, 13, 37, 6], Operations: [] Exploring Operation: 66-6=60, Resulting Numbers: [13, 37, 60] Generated Node #0,0: 35:[13, 37, 60] Operation: 66-6=60 Exploring Operation: 66-37=29, Resulting Numbers: [13, 6, 29] Generated Node #0,1: 35:[13, 6, 29] Operation: 66-37=29 Exploring Operation: 66-13=53, Resulting Numbers: [37, 6, 53] Generated Node #0,2: 35:[37, 6, 53] Operation: 66-13=53 Exploring Operation: 66/6=11, Resulting Numbers: [13, 37, 11] Generated Node #0,3: 35:[13, 37, 11] Operation: 66/6=11 Moving to Node #0,3 Current State: 35:[13, 37, 11], Operations: ['66/6=11'] Exploring Operation: 13-11=2, Resulting Numbers: [37, 2] Generated Node #0,3,0: 35:[37, 2] Operation: 13-11=2 Exploring Operation: 37-13=24, Resulting Numbers: [11, 24] Generated Node #0,3,1: 35:[11, 24] Operation: 37-13=24 Exploring Operation: 13+11=24, Resulting Numbers: [37, 24] Generated Node #0,3,2: 35:[37, 24] Operation: 13+11=24 Exploring Operation: 37-11=26, Resulting Numbers: [13, 26] Generated Node #0,3,3: 35:[13, 26] Operation: 37-11=26 Moving to Node #0,1 Current State: 35:[13, 6, 29], Operations: ['66-37=29'] Exploring Operation: 29-13=16, Resulting Numbers: [6, 16] Generated Node #0,1,0: 35:[6, 16] Operation: 29-13=16 Exploring Operation: 13+29=42, Resulting Numbers: [6, 42] Generated Node #0,1,1: 35:[6, 42] Operation: 13+29=42 Exploring Operation: 13-6=7, Resulting Numbers: [29, 7] Generated Node #0,1,2: 35:[29, 7] Operation: 13-6=7 Exploring Operation: 6+29=35, Resulting Numbers: [13, 35] Generated Node #0,1,3: 35:[13, 35] Operation: 6+29=35 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 35:[29, 7], Operations: ['66-37=29', '13-6=7'] Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 29*7=203, Resulting Numbers: [203] 203,35 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,35 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:[13, 35], Operations: ['66-37=29', '6+29=35'] Exploring Operation: 13*35=455, Resulting Numbers: [455] 455,35 unequal: No Solution Exploring Operation: 13+35=48, Resulting Numbers: [48] 48,35 unequal: No Solution Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,35 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:[6, 42], Operations: ['66-37=29', '13+29=42'] Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,35 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,35 unequal: No Solution Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,35 unequal: No Solution Exploring Operation: 6*42=252, Resulting Numbers: [252] 252,35 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:[6, 16], Operations: ['66-37=29', '29-13=16'] Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,35 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,35 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: 35:[37, 6, 53], Operations: ['66-13=53'] Exploring Operation: 53-6=47, Resulting Numbers: [37, 47] Generated Node #0,2,0: 35:[37, 47] Operation: 53-6=47 Exploring Operation: 37-6=31, Resulting Numbers: [53, 31] Generated Node #0,2,1: 35:[53, 31] Operation: 37-6=31 Exploring Operation: 37+6=43, Resulting Numbers: [53, 43] Generated Node #0,2,2: 35:[53, 43] Operation: 37+6=43 Exploring Operation: 53-37=16, Resulting Numbers: [6, 16] Generated Node #0,2,3: 35:[6, 16] Operation: 53-37=16 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 35:[6, 16], Operations: ['66-13=53', '53-37=16'] Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,35 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,35 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:[37, 47], Operations: ['66-13=53', '53-6=47'] Exploring Operation: 47-37=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 37*47=1739, Resulting Numbers: [1739] 1739,35 unequal: No Solution Exploring Operation: 37+47=84, Resulting Numbers: [84] 84,35 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:[53, 31], Operations: ['66-13=53', '37-6=31'] Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,35 unequal: No Solution Exploring Operation: 53*31=1643, Resulting Numbers: [1643] 1643,35 unequal: No Solution Exploring Operation: 53+31=84, Resulting Numbers: [84] 84,35 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:[53, 43], Operations: ['66-13=53', '37+6=43'] Exploring Operation: 53*43=2279, Resulting Numbers: [2279] 2279,35 unequal: No Solution Exploring Operation: 53+43=96, Resulting Numbers: [96] 96,35 unequal: No Solution Exploring Operation: 53-43=10, Resulting Numbers: [10] 10,35 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:[13, 37, 60], Operations: ['66-6=60'] Exploring Operation: 37-13=24, Resulting Numbers: [60, 24] Generated Node #0,0,0: 35:[60, 24] Operation: 37-13=24 Exploring Operation: 60-13=47, Resulting Numbers: [37, 47] Generated Node #0,0,1: 35:[37, 47] Operation: 60-13=47 Exploring Operation: 13+37=50, Resulting Numbers: [60, 50] Generated Node #0,0,2: 35:[60, 50] Operation: 13+37=50 Exploring Operation: 60-37=23, Resulting Numbers: [13, 23] Generated Node #0,0,3: 35:[13, 23] Operation: 60-37=23 Moving to Node #0,3,0 Current State: 35:[37, 2], Operations: ['66/6=11', '13-11=2'] Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,35 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[66, 13, 37, 6], Operations: [] Exploring Operation: 66/6=11, Resulting Numbers: [13, 37, 11] Generated Node #0,3: 35:[13, 37, 11] Operation: 66/6=11 Moving to Node #0,3 Current State: 35:[13, 37, 11], Operations: ['66/6=11'] Exploring Operation: 13-11=2, Resulting Numbers: [37, 2] Generated Node #0,3,0: 35:[37, 2] Operation: 13-11=2 Moving to Node #0,3,0 Current State: 35:[37, 2], Operations: ['66/6=11', '13-11=2'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
0.955729
hs_4
mult_heuristic
[ 19, 83, 78, 81 ]
99
[ "19+83=102", "81-78=3", "102-3=99" ]
Current State: 99:[19, 83, 78, 81], Operations: [] Exploring Operation: 19+83=102, Resulting Numbers: [78, 81, 102] Generated Node #2: [78, 81, 102] from Operation: 19+83=102 Current State: 99:[78, 81, 102], Operations: ['19+83=102'] Exploring Operation: 81-78=3, Resulting Numbers: [102, 3] Generated Node #3: [102, 3] from Operation: 81-78=3 Current State: 99:[102, 3], Operations: ['19+83=102', '81-78=3'] Exploring Operation: 102-3=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[19, 83, 78, 81], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [19, 78, 2] Generated Node #0,0: 99:[19, 78, 2] Operation: 83-81=2 Exploring Operation: 81-78=3, Resulting Numbers: [19, 83, 3] Generated Node #0,1: 99:[19, 83, 3] Operation: 81-78=3 Exploring Operation: 83-78=5, Resulting Numbers: [19, 81, 5] Generated Node #0,2: 99:[19, 81, 5] Operation: 83-78=5 Moving to Node #0,1 Current State: 99:[19, 83, 3], Operations: ['81-78=3'] Exploring Operation: 19-3=16, Resulting Numbers: [83, 16] Generated Node #0,1,0: 99:[83, 16] Operation: 19-3=16 Exploring Operation: 83+3=86, Resulting Numbers: [19, 86] Generated Node #0,1,1: 99:[19, 86] Operation: 83+3=86 Exploring Operation: 19+83=102, Resulting Numbers: [3, 102] Generated Node #0,1,2: 99:[3, 102] Operation: 19+83=102 Moving to Node #0,2 Current State: 99:[19, 81, 5], Operations: ['83-78=5'] Exploring Operation: 19-5=14, Resulting Numbers: [81, 14] Generated Node #0,2,0: 99:[81, 14] Operation: 19-5=14 Exploring Operation: 81+5=86, Resulting Numbers: [19, 86] Generated Node #0,2,1: 99:[19, 86] Operation: 81+5=86 Exploring Operation: 19+81=100, Resulting Numbers: [5, 100] Generated Node #0,2,2: 99:[5, 100] Operation: 19+81=100 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 99:[5, 100], Operations: ['83-78=5', '19+81=100'] Exploring Operation: 100-5=95, Resulting Numbers: [95] 95,99 unequal: No Solution Exploring Operation: 100/5=20, Resulting Numbers: [20] 20,99 unequal: No Solution Exploring Operation: 5+100=105, Resulting Numbers: [105] 105,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 99:[81, 14], Operations: ['83-78=5', '19-5=14'] Exploring Operation: 81-14=67, Resulting Numbers: [67] 67,99 unequal: No Solution Exploring Operation: 81*14=1134, Resulting Numbers: [1134] 1134,99 unequal: No Solution Exploring Operation: 81+14=95, Resulting Numbers: [95] 95,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 99:[19, 86], Operations: ['83-78=5', '81+5=86'] Exploring Operation: 19+86=105, Resulting Numbers: [105] 105,99 unequal: No Solution Exploring Operation: 19*86=1634, Resulting Numbers: [1634] 1634,99 unequal: No Solution Exploring Operation: 86-19=67, Resulting Numbers: [67] 67,99 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: 99:[19, 78, 2], Operations: ['83-81=2'] Exploring Operation: 78/2=39, Resulting Numbers: [19, 39] Generated Node #0,0,0: 99:[19, 39] Operation: 78/2=39 Exploring Operation: 19+78=97, Resulting Numbers: [2, 97] Generated Node #0,0,1: 99:[2, 97] Operation: 19+78=97 Exploring Operation: 19*2=38, Resulting Numbers: [78, 38] Generated Node #0,0,2: 99:[78, 38] Operation: 19*2=38 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[2, 97], Operations: ['83-81=2', '19+78=97'] Exploring Operation: 2+97=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[19, 83, 78, 81], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [19, 78, 2] Generated Node #0,0: 99:[19, 78, 2] Operation: 83-81=2 Moving to Node #0,0 Current State: 99:[19, 78, 2], Operations: ['83-81=2'] Exploring Operation: 19+78=97, Resulting Numbers: [2, 97] Generated Node #0,0,1: 99:[2, 97] Operation: 19+78=97 Moving to Node #0,0,1 Current State: 99:[2, 97], Operations: ['83-81=2', '19+78=97'] Exploring Operation: 2+97=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 69, 88, 24, 68 ]
64
[ "69-68=1", "88-24=64", "1*64=64" ]
Current State: 64:[69, 88, 24, 68], Operations: [] Exploring Operation: 69-68=1, Resulting Numbers: [88, 24, 1] Generated Node #2: [88, 24, 1] from Operation: 69-68=1 Current State: 64:[88, 24, 1], Operations: ['69-68=1'] Exploring Operation: 88-24=64, Resulting Numbers: [1, 64] Generated Node #3: [1, 64] from Operation: 88-24=64 Current State: 64:[1, 64], Operations: ['69-68=1', '88-24=64'] Exploring Operation: 1*64=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[69, 88, 24, 68], Operations: [] Exploring Operation: 88-24=64, Resulting Numbers: [69, 68, 64] Generated Node #0,0: 64:[69, 68, 64] Operation: 88-24=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[69, 68, 64], Operations: ['88-24=64'] Exploring Operation: 69-68=1, Resulting Numbers: [64, 1] Generated Node #0,0,0: 64:[64, 1] Operation: 69-68=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[64, 1], Operations: ['88-24=64', '69-68=1'] Exploring Operation: 64*1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[69, 88, 24, 68], Operations: [] Exploring Operation: 88-24=64, Resulting Numbers: [69, 68, 64] Generated Node #0,0: 64:[69, 68, 64] Operation: 88-24=64 Moving to Node #0,0 Current State: 64:[69, 68, 64], Operations: ['88-24=64'] Exploring Operation: 69-68=1, Resulting Numbers: [64, 1] Generated Node #0,0,0: 64:[64, 1] Operation: 69-68=1 Moving to Node #0,0,0 Current State: 64:[64, 1], Operations: ['88-24=64', '69-68=1'] Exploring Operation: 64*1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 54, 52, 2, 2 ]
27
[ "54/2=27", "52+2=54", "54-27=27" ]
Current State: 27:[54, 52, 2, 2], Operations: [] Exploring Operation: 54/2=27, Resulting Numbers: [52, 27] Generated Node #2: [52, 27] from Operation: 54/2=27 Current State: 27:[52, 27], Operations: ['54/2=27'] Exploring Operation: 52+2=54, Resulting Numbers: [27, 54] Generated Node #3: [27, 54] from Operation: 52+2=54 Current State: 27:[27, 54], Operations: ['54/2=27', '52+2=54'] Exploring Operation: 54-27=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[54, 52, 2, 2], Operations: [] Exploring Operation: 54/2=27, Resulting Numbers: [52, 2, 27] Generated Node #0,0: 27:[52, 2, 27] Operation: 54/2=27 Exploring Operation: 54/2=27, Resulting Numbers: [52, 2, 27] Generated Node #0,1: 27:[52, 2, 27] Operation: 54/2=27 Exploring Operation: 54-52=2, Resulting Numbers: [2, 2, 2] Generated Node #0,2: 27:[2, 2, 2] Operation: 54-52=2 Moving to Node #0,2 Current State: 27:[2, 2, 2], Operations: ['54-52=2'] Exploring Operation: 2+2=4, Resulting Numbers: [2, 4] Generated Node #0,2,0: 27:[2, 4] Operation: 2+2=4 Exploring Operation: 2+2=4, Resulting Numbers: [2, 4] Generated Node #0,2,1: 27:[2, 4] Operation: 2+2=4 Exploring Operation: 2*2=4, Resulting Numbers: [2, 4] Generated Node #0,2,2: 27:[2, 4] Operation: 2*2=4 Moving to Node #0,0 Current State: 27:[52, 2, 27], Operations: ['54/2=27'] Exploring Operation: 52/2=26, Resulting Numbers: [27, 26] Generated Node #0,0,0: 27:[27, 26] Operation: 52/2=26 Exploring Operation: 52-27=25, Resulting Numbers: [2, 25] Generated Node #0,0,1: 27:[2, 25] Operation: 52-27=25 Exploring Operation: 52-2=50, Resulting Numbers: [27, 50] Generated Node #0,0,2: 27:[27, 50] Operation: 52-2=50 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[27, 26], Operations: ['54/2=27', '52/2=26'] Exploring Operation: 27*26=702, Resulting Numbers: [702] 702,27 unequal: No Solution Exploring Operation: 27-26=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 27+26=53, Resulting Numbers: [53] 53,27 unequal: No Solution No 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: 27:[2, 25], Operations: ['54/2=27', '52-27=25'] Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,27 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[54, 52, 2, 2], Operations: [] Exploring Operation: 54/2=27, Resulting Numbers: [52, 2, 27] Generated Node #0,0: 27:[52, 2, 27] Operation: 54/2=27 Moving to Node #0,0 Current State: 27:[52, 2, 27], Operations: ['54/2=27'] Exploring Operation: 52-27=25, Resulting Numbers: [2, 25] Generated Node #0,0,1: 27:[2, 25] Operation: 52-27=25 Moving to Node #0,0,1 Current State: 27:[2, 25], Operations: ['54/2=27', '52-27=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
sum_heuristic
[ 65, 1, 52, 30 ]
23
[ "52*30=1560", "1560/65=24", "24-1=23" ]
Current State: 23:[65, 1, 52, 30], Operations: [] Exploring Operation: 52*30=1560, Resulting Numbers: [65, 1, 1560] Generated Node #2: [65, 1, 1560] from Operation: 52*30=1560 Current State: 23:[65, 1, 1560], Operations: ['52*30=1560'] Exploring Operation: 1560/65=24, Resulting Numbers: [1, 24] Generated Node #3: [1, 24] from Operation: 1560/65=24 Current State: 23:[1, 24], Operations: ['52*30=1560', '1560/65=24'] Exploring Operation: 24-1=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[65, 1, 52, 30], Operations: [] Exploring Operation: 52-1=51, Resulting Numbers: [65, 30, 51] Generated Node #0,0: 23:[65, 30, 51] Operation: 52-1=51 Exploring Operation: 65-52=13, Resulting Numbers: [1, 30, 13] Generated Node #0,1: 23:[1, 30, 13] Operation: 65-52=13 Exploring Operation: 65-30=35, Resulting Numbers: [1, 52, 35] Generated Node #0,2: 23:[1, 52, 35] Operation: 65-30=35 Exploring Operation: 52-30=22, Resulting Numbers: [65, 1, 22] Generated Node #0,3: 23:[65, 1, 22] Operation: 52-30=22 Exploring Operation: 65-1=64, Resulting Numbers: [52, 30, 64] Generated Node #0,4: 23:[52, 30, 64] Operation: 65-1=64 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[1, 30, 13], Operations: ['65-52=13'] Exploring Operation: 1*30=30, Resulting Numbers: [13, 30] Generated Node #0,1,0: 23:[13, 30] Operation: 1*30=30 Exploring Operation: 1+13=14, Resulting Numbers: [30, 14] Generated Node #0,1,1: 23:[30, 14] Operation: 1+13=14 Exploring Operation: 30-1=29, Resulting Numbers: [13, 29] Generated Node #0,1,2: 23:[13, 29] Operation: 30-1=29 Exploring Operation: 30/1=30, Resulting Numbers: [13, 30] Generated Node #0,1,3: 23:[13, 30] Operation: 30/1=30 Exploring Operation: 1*13=13, Resulting Numbers: [30, 13] Generated Node #0,1,4: 23:[30, 13] Operation: 1*13=13 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 23:[30, 14], Operations: ['65-52=13', '1+13=14'] Exploring Operation: 30*14=420, Resulting Numbers: [420] 420,23 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 23:[13, 29], Operations: ['65-52=13', '30-1=29'] Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 13+29=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 13*29=377, Resulting Numbers: [377] 377,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 23:[13, 30], Operations: ['65-52=13', '1*30=30'] Exploring Operation: 13*30=390, Resulting Numbers: [390] 390,23 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 23:[13, 30], Operations: ['65-52=13', '30/1=30'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 13*30=390, Resulting Numbers: [390] 390,23 unequal: No Solution Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 23:[30, 13], Operations: ['65-52=13', '1*13=13'] Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,23 unequal: No Solution Exploring Operation: 30*13=390, Resulting Numbers: [390] 390,23 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[1, 52, 35], Operations: ['65-30=35'] Exploring Operation: 1*52=52, Resulting Numbers: [35, 52] Generated Node #0,2,0: 23:[35, 52] Operation: 1*52=52 Exploring Operation: 52-1=51, Resulting Numbers: [35, 51] Generated Node #0,2,1: 23:[35, 51] Operation: 52-1=51 Exploring Operation: 52/1=52, Resulting Numbers: [35, 52] Generated Node #0,2,2: 23:[35, 52] Operation: 52/1=52 Exploring Operation: 52-35=17, Resulting Numbers: [1, 17] Generated Node #0,2,3: 23:[1, 17] Operation: 52-35=17 Exploring Operation: 35-1=34, Resulting Numbers: [52, 34] Generated Node #0,2,4: 23:[52, 34] Operation: 35-1=34 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 23:[1, 17], Operations: ['65-30=35', '52-35=17'] Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 1+17=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 1*17=17, Resulting Numbers: [17] 17,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 23:[35, 51], Operations: ['65-30=35', '52-1=51'] Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 35*51=1785, Resulting Numbers: [1785] 1785,23 unequal: No Solution Exploring Operation: 35+51=86, Resulting Numbers: [86] 86,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 23:[52, 34], Operations: ['65-30=35', '35-1=34'] Exploring Operation: 52*34=1768, Resulting Numbers: [1768] 1768,23 unequal: No Solution Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 52+34=86, Resulting Numbers: [86] 86,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 23:[35, 52], Operations: ['65-30=35', '1*52=52'] Exploring Operation: 35*52=1820, Resulting Numbers: [1820] 1820,23 unequal: No Solution Exploring Operation: 35+52=87, Resulting Numbers: [87] 87,23 unequal: No Solution Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 23:[35, 52], Operations: ['65-30=35', '52/1=52'] Exploring Operation: 35*52=1820, Resulting Numbers: [1820] 1820,23 unequal: No Solution Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 35+52=87, Resulting Numbers: [87] 87,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 23:[65, 1, 22], Operations: ['52-30=22'] Exploring Operation: 1+22=23, Resulting Numbers: [65, 23] Generated Node #0,3,0: 23:[65, 23] Operation: 1+22=23 Exploring Operation: 65/1=65, Resulting Numbers: [22, 65] Generated Node #0,3,1: 23:[22, 65] Operation: 65/1=65 Exploring Operation: 65-22=43, Resulting Numbers: [1, 43] Generated Node #0,3,2: 23:[1, 43] Operation: 65-22=43 Exploring Operation: 65-1=64, Resulting Numbers: [22, 64] Generated Node #0,3,3: 23:[22, 64] Operation: 65-1=64 Exploring Operation: 65*1=65, Resulting Numbers: [22, 65] Generated Node #0,3,4: 23:[22, 65] Operation: 65*1=65 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 23:[65, 23], Operations: ['52-30=22', '1+22=23'] Exploring Operation: 65+23=88, Resulting Numbers: [88] 88,23 unequal: No Solution Exploring Operation: 65*23=1495, Resulting Numbers: [1495] 1495,23 unequal: No Solution Exploring Operation: 65-23=42, Resulting Numbers: [42] 42,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 23:[1, 43], Operations: ['52-30=22', '65-22=43'] Exploring Operation: 1+43=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,23 unequal: No Solution Exploring Operation: 1*43=43, Resulting Numbers: [43] 43,23 unequal: No Solution Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 23:[22, 64], Operations: ['52-30=22', '65-1=64'] Exploring Operation: 22+64=86, Resulting Numbers: [86] 86,23 unequal: No Solution Exploring Operation: 64-22=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 22*64=1408, Resulting Numbers: [1408] 1408,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 23:[22, 65], Operations: ['52-30=22', '65/1=65'] Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,23 unequal: No Solution Exploring Operation: 22*65=1430, Resulting Numbers: [1430] 1430,23 unequal: No Solution Exploring Operation: 22+65=87, Resulting Numbers: [87] 87,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 23:[22, 65], Operations: ['52-30=22', '65*1=65'] Exploring Operation: 22+65=87, Resulting Numbers: [87] 87,23 unequal: No Solution Exploring Operation: 22*65=1430, Resulting Numbers: [1430] 1430,23 unequal: No Solution Exploring Operation: 65-22=43, Resulting Numbers: [43] 43,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[65, 30, 51], Operations: ['52-1=51'] Exploring Operation: 65-51=14, Resulting Numbers: [30, 14] Generated Node #0,0,0: 23:[30, 14] Operation: 65-51=14 Exploring Operation: 51-30=21, Resulting Numbers: [65, 21] Generated Node #0,0,1: 23:[65, 21] Operation: 51-30=21 Exploring Operation: 65+30=95, Resulting Numbers: [51, 95] Generated Node #0,0,2: 23:[51, 95] Operation: 65+30=95 Exploring Operation: 65-30=35, Resulting Numbers: [51, 35] Generated Node #0,0,3: 23:[51, 35] Operation: 65-30=35 Exploring Operation: 65+51=116, Resulting Numbers: [30, 116] Generated Node #0,0,4: 23:[30, 116] Operation: 65+51=116 Moving to Node #0,0,0 Current State: 23:[30, 14], Operations: ['52-1=51', '65-51=14'] Exploring Operation: 30*14=420, Resulting Numbers: [420] 420,23 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,23 unequal: No Solution Moving to Node #0,0,3 Current State: 23:[51, 35], Operations: ['52-1=51', '65-30=35'] Exploring Operation: 51*35=1785, Resulting Numbers: [1785] 1785,23 unequal: No Solution Exploring Operation: 51+35=86, Resulting Numbers: [86] 86,23 unequal: No Solution Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[65, 21], Operations: ['52-1=51', '51-30=21'] Exploring Operation: 65*21=1365, Resulting Numbers: [1365] 1365,23 unequal: No Solution Exploring Operation: 65+21=86, Resulting Numbers: [86] 86,23 unequal: No Solution Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,23 unequal: No Solution Moving to Node #0,0,2 Current State: 23:[51, 95], Operations: ['52-1=51', '65+30=95'] Exploring Operation: 95-51=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 51*95=4845, Resulting Numbers: [4845] 4845,23 unequal: No Solution Exploring Operation: 51+95=146, Resulting Numbers: [146] 146,23 unequal: No Solution Moving to Node #0,0,4 Current State: 23:[30, 116], Operations: ['52-1=51', '65+51=116'] Exploring Operation: 116-30=86, Resulting Numbers: [86] 86,23 unequal: No Solution Exploring Operation: 30*116=3480, Resulting Numbers: [3480] 3480,23 unequal: No Solution Exploring Operation: 30+116=146, Resulting Numbers: [146] 146,23 unequal: No Solution No 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: 23:[52, 30, 64], Operations: ['65-1=64'] Exploring Operation: 52-30=22, Resulting Numbers: [64, 22] Generated Node #0,4,0: 23:[64, 22] Operation: 52-30=22 Exploring Operation: 52+64=116, Resulting Numbers: [30, 116] Generated Node #0,4,1: 23:[30, 116] Operation: 52+64=116 Exploring Operation: 64-30=34, Resulting Numbers: [52, 34] Generated Node #0,4,2: 23:[52, 34] Operation: 64-30=34 Exploring Operation: 64-52=12, Resulting Numbers: [30, 12] Generated Node #0,4,3: 23:[30, 12] Operation: 64-52=12 Exploring Operation: 52+30=82, Resulting Numbers: [64, 82] Generated Node #0,4,4: 23:[64, 82] Operation: 52+30=82 Moving to Node #0,4,3 Current State: 23:[30, 12], Operations: ['65-1=64', '64-52=12'] Exploring Operation: 30+12=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 30*12=360, Resulting Numbers: [360] 360,23 unequal: No Solution Moving to Node #0,4,2 Current State: 23:[52, 34], Operations: ['65-1=64', '64-30=34'] Exploring Operation: 52*34=1768, Resulting Numbers: [1768] 1768,23 unequal: No Solution Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 52+34=86, Resulting Numbers: [86] 86,23 unequal: No Solution Moving to Node #0,4,0 Current State: 23:[64, 22], Operations: ['65-1=64', '52-30=22'] Exploring Operation: 64-22=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 64+22=86, Resulting Numbers: [86] 86,23 unequal: No Solution Exploring Operation: 64*22=1408, Resulting Numbers: [1408] 1408,23 unequal: No Solution Moving to Node #0,4,1 Current State: 23:[30, 116], Operations: ['65-1=64', '52+64=116'] Exploring Operation: 116-30=86, Resulting Numbers: [86] 86,23 unequal: No Solution Exploring Operation: 30+116=146, Resulting Numbers: [146] 146,23 unequal: No Solution Exploring Operation: 30*116=3480, Resulting Numbers: [3480] 3480,23 unequal: No Solution Moving to Node #0,4,4 Current State: 23:[64, 82], Operations: ['65-1=64', '52+30=82'] Exploring Operation: 64*82=5248, Resulting Numbers: [5248] 5248,23 unequal: No Solution Exploring Operation: 82-64=18, Resulting Numbers: [18] 18,23 unequal: No Solution Exploring Operation: 64+82=146, Resulting Numbers: [146] 146,23 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
[ 27, 73, 18, 68 ]
50
[ "27+73=100", "68-18=50", "100-50=50" ]
Current State: 50:[27, 73, 18, 68], Operations: [] Exploring Operation: 27+73=100, Resulting Numbers: [18, 68, 100] Generated Node #2: [18, 68, 100] from Operation: 27+73=100 Current State: 50:[18, 68, 100], Operations: ['27+73=100'] Exploring Operation: 68-18=50, Resulting Numbers: [100, 50] Generated Node #3: [100, 50] from Operation: 68-18=50 Current State: 50:[100, 50], Operations: ['27+73=100', '68-18=50'] Exploring Operation: 100-50=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[27, 73, 18, 68], Operations: [] Exploring Operation: 73-68=5, Resulting Numbers: [27, 18, 5] Generated Node #0,0: 50:[27, 18, 5] Operation: 73-68=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[27, 18, 5], Operations: ['73-68=5'] Exploring Operation: 27-18=9, Resulting Numbers: [5, 9] Generated Node #0,0,0: 50:[5, 9] Operation: 27-18=9 Moving to Node #0,0,0 Current State: 50:[5, 9], Operations: ['73-68=5', '27-18=9'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 2, 83, 12, 54 ]
19
[ "2+83=85", "12+54=66", "85-66=19" ]
Current State: 19:[2, 83, 12, 54], Operations: [] Exploring Operation: 2+83=85, Resulting Numbers: [12, 54, 85] Generated Node #2: [12, 54, 85] from Operation: 2+83=85 Current State: 19:[12, 54, 85], Operations: ['2+83=85'] Exploring Operation: 12+54=66, Resulting Numbers: [85, 66] Generated Node #3: [85, 66] from Operation: 12+54=66 Current State: 19:[85, 66], Operations: ['2+83=85', '12+54=66'] Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[2, 83, 12, 54], Operations: [] Exploring Operation: 54/2=27, Resulting Numbers: [83, 12, 27] Generated Node #0,0: 19:[83, 12, 27] Operation: 54/2=27 Exploring Operation: 83-54=29, Resulting Numbers: [2, 12, 29] Generated Node #0,1: 19:[2, 12, 29] Operation: 83-54=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[2, 12, 29], Operations: ['83-54=29'] Exploring Operation: 2+12=14, Resulting Numbers: [29, 14] Generated Node #0,1,0: 19:[29, 14] Operation: 2+12=14 Exploring Operation: 2*12=24, Resulting Numbers: [29, 24] Generated Node #0,1,1: 19:[29, 24] Operation: 2*12=24 Moving to Node #0,1,0 Current State: 19:[29, 14], Operations: ['83-54=29', '2+12=14'] Exploring Operation: 29+14=43, Resulting Numbers: [43] 43,19 unequal: No Solution Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[29, 24], Operations: ['83-54=29', '2*12=24'] Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 29+24=53, Resulting Numbers: [53] 53,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[83, 12, 27], Operations: ['54/2=27'] Exploring Operation: 83-27=56, Resulting Numbers: [12, 56] Generated Node #0,0,0: 19:[12, 56] Operation: 83-27=56 Exploring Operation: 83-12=71, Resulting Numbers: [27, 71] Generated Node #0,0,1: 19:[27, 71] Operation: 83-12=71 Moving to Node #0,0,0 Current State: 19:[12, 56], Operations: ['54/2=27', '83-27=56'] Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,19 unequal: No Solution Exploring Operation: 12+56=68, Resulting Numbers: [68] 68,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[27, 71], Operations: ['54/2=27', '83-12=71'] Exploring Operation: 71-27=44, Resulting Numbers: [44] 44,19 unequal: No Solution Exploring Operation: 27+71=98, Resulting Numbers: [98] 98,19 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
[ 47, 5, 6, 13 ]
72
[ "47+13=60", "60/5=12", "6*12=72" ]
Current State: 72:[47, 5, 6, 13], Operations: [] Exploring Operation: 47+13=60, Resulting Numbers: [5, 6, 60] Generated Node #2: [5, 6, 60] from Operation: 47+13=60 Current State: 72:[5, 6, 60], Operations: ['47+13=60'] Exploring Operation: 60/5=12, Resulting Numbers: [6, 12] Generated Node #3: [6, 12] from Operation: 60/5=12 Current State: 72:[6, 12], Operations: ['47+13=60', '60/5=12'] Exploring Operation: 6*12=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[47, 5, 6, 13], Operations: [] Exploring Operation: 47-13=34, Resulting Numbers: [5, 6, 34] Generated Node #0,0: 72:[5, 6, 34] Operation: 47-13=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[5, 6, 34], Operations: ['47-13=34'] Exploring Operation: 5+6=11, Resulting Numbers: [34, 11] Generated Node #0,0,0: 72:[34, 11] Operation: 5+6=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 72:[34, 11], Operations: ['47-13=34', '5+6=11'] Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 72, 56, 23, 89 ]
96
[ "72-56=16", "23+89=112", "112-16=96" ]
Current State: 96:[72, 56, 23, 89], Operations: [] Exploring Operation: 72-56=16, Resulting Numbers: [23, 89, 16] Generated Node #2: [23, 89, 16] from Operation: 72-56=16 Current State: 96:[23, 89, 16], Operations: ['72-56=16'] Exploring Operation: 23+89=112, Resulting Numbers: [16, 112] Generated Node #3: [16, 112] from Operation: 23+89=112 Current State: 96:[16, 112], Operations: ['72-56=16', '23+89=112'] Exploring Operation: 112-16=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[72, 56, 23, 89], Operations: [] Exploring Operation: 89-72=17, Resulting Numbers: [56, 23, 17] Generated Node #0,0: 96:[56, 23, 17] Operation: 89-72=17 Exploring Operation: 72-23=49, Resulting Numbers: [56, 89, 49] Generated Node #0,1: 96:[56, 89, 49] Operation: 72-23=49 Exploring Operation: 72-56=16, Resulting Numbers: [23, 89, 16] Generated Node #0,2: 96:[23, 89, 16] Operation: 72-56=16 Exploring Operation: 72+23=95, Resulting Numbers: [56, 89, 95] Generated Node #0,3: 96:[56, 89, 95] Operation: 72+23=95 Moving to Node #0,2 Current State: 96:[23, 89, 16], Operations: ['72-56=16'] Exploring Operation: 23-16=7, Resulting Numbers: [89, 7] Generated Node #0,2,0: 96:[89, 7] Operation: 23-16=7 Exploring Operation: 89+16=105, Resulting Numbers: [23, 105] Generated Node #0,2,1: 96:[23, 105] Operation: 89+16=105 Exploring Operation: 23+16=39, Resulting Numbers: [89, 39] Generated Node #0,2,2: 96:[89, 39] Operation: 23+16=39 Exploring Operation: 23+89=112, Resulting Numbers: [16, 112] Generated Node #0,2,3: 96:[16, 112] Operation: 23+89=112 Moving to Node #0,0 Current State: 96:[56, 23, 17], Operations: ['89-72=17'] Exploring Operation: 56-17=39, Resulting Numbers: [23, 39] Generated Node #0,0,0: 96:[23, 39] Operation: 56-17=39 Exploring Operation: 23+17=40, Resulting Numbers: [56, 40] Generated Node #0,0,1: 96:[56, 40] Operation: 23+17=40 Exploring Operation: 23-17=6, Resulting Numbers: [56, 6] Generated Node #0,0,2: 96:[56, 6] Operation: 23-17=6 Exploring Operation: 56-23=33, Resulting Numbers: [17, 33] Generated Node #0,0,3: 96:[17, 33] Operation: 56-23=33 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 96:[17, 33], Operations: ['89-72=17', '56-23=33'] Exploring Operation: 17*33=561, Resulting Numbers: [561] 561,96 unequal: No Solution Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 17+33=50, Resulting Numbers: [50] 50,96 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:[23, 39], Operations: ['89-72=17', '56-17=39'] Exploring Operation: 39-23=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 23+39=62, Resulting Numbers: [62] 62,96 unequal: No Solution Exploring Operation: 23*39=897, Resulting Numbers: [897] 897,96 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:[56, 6], Operations: ['89-72=17', '23-17=6'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,96 unequal: No Solution Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,96 unequal: No Solution Exploring Operation: 56*6=336, Resulting Numbers: [336] 336,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 96:[56, 40], Operations: ['89-72=17', '23+17=40'] Exploring Operation: 56+40=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[72, 56, 23, 89], Operations: [] Exploring Operation: 89-72=17, Resulting Numbers: [56, 23, 17] Generated Node #0,0: 96:[56, 23, 17] Operation: 89-72=17 Moving to Node #0,0 Current State: 96:[56, 23, 17], Operations: ['89-72=17'] Exploring Operation: 23+17=40, Resulting Numbers: [56, 40] Generated Node #0,0,1: 96:[56, 40] Operation: 23+17=40 Moving to Node #0,0,1 Current State: 96:[56, 40], Operations: ['89-72=17', '23+17=40'] Exploring Operation: 56+40=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_4
sum_heuristic
[ 64, 27, 93, 16 ]
18
[ "64+27=91", "93+16=109", "109-91=18" ]
Current State: 18:[64, 27, 93, 16], Operations: [] Exploring Operation: 64+27=91, Resulting Numbers: [93, 16, 91] Generated Node #2: [93, 16, 91] from Operation: 64+27=91 Current State: 18:[93, 16, 91], Operations: ['64+27=91'] Exploring Operation: 93+16=109, Resulting Numbers: [91, 109] Generated Node #3: [91, 109] from Operation: 93+16=109 Current State: 18:[91, 109], Operations: ['64+27=91', '93+16=109'] Exploring Operation: 109-91=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[64, 27, 93, 16], Operations: [] Exploring Operation: 64/16=4, Resulting Numbers: [27, 93, 4] Generated Node #0,0: 18:[27, 93, 4] Operation: 64/16=4 Exploring Operation: 93-27=66, Resulting Numbers: [64, 16, 66] Generated Node #0,1: 18:[64, 16, 66] Operation: 93-27=66 Exploring Operation: 93-64=29, Resulting Numbers: [27, 16, 29] Generated Node #0,2: 18:[27, 16, 29] Operation: 93-64=29 Exploring Operation: 64-27=37, Resulting Numbers: [93, 16, 37] Generated Node #0,3: 18:[93, 16, 37] Operation: 64-27=37 Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[27, 16, 29], Operations: ['93-64=29'] Exploring Operation: 29-27=2, Resulting Numbers: [16, 2] Generated Node #0,2,0: 18:[16, 2] Operation: 29-27=2 Exploring Operation: 27-16=11, Resulting Numbers: [29, 11] Generated Node #0,2,1: 18:[29, 11] Operation: 27-16=11 Exploring Operation: 29-16=13, Resulting Numbers: [27, 13] Generated Node #0,2,2: 18:[27, 13] Operation: 29-16=13 Exploring Operation: 27+16=43, Resulting Numbers: [29, 43] Generated Node #0,2,3: 18:[29, 43] Operation: 27+16=43 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 18:[16, 2], Operations: ['93-64=29', '29-27=2'] Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[64, 27, 93, 16], Operations: [] Exploring Operation: 93-64=29, Resulting Numbers: [27, 16, 29] Generated Node #0,2: 18:[27, 16, 29] Operation: 93-64=29 Moving to Node #0,2 Current State: 18:[27, 16, 29], Operations: ['93-64=29'] Exploring Operation: 29-27=2, Resulting Numbers: [16, 2] Generated Node #0,2,0: 18:[16, 2] Operation: 29-27=2 Moving to Node #0,2,0 Current State: 18:[16, 2], Operations: ['93-64=29', '29-27=2'] Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 63, 11, 15, 99 ]
57
[ "63-15=48", "99/11=9", "48+9=57" ]
Current State: 57:[63, 11, 15, 99], Operations: [] Exploring Operation: 63-15=48, Resulting Numbers: [11, 99, 48] Generated Node #2: [11, 99, 48] from Operation: 63-15=48 Current State: 57:[11, 99, 48], Operations: ['63-15=48'] Exploring Operation: 99/11=9, Resulting Numbers: [48, 9] Generated Node #3: [48, 9] from Operation: 99/11=9 Current State: 57:[48, 9], Operations: ['63-15=48', '99/11=9'] Exploring Operation: 48+9=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[63, 11, 15, 99], Operations: [] Exploring Operation: 99-11=88, Resulting Numbers: [63, 15, 88] Generated Node #0,0: 57:[63, 15, 88] Operation: 99-11=88 Exploring Operation: 99-15=84, Resulting Numbers: [63, 11, 84] Generated Node #0,1: 57:[63, 11, 84] Operation: 99-15=84 Exploring Operation: 99/11=9, Resulting Numbers: [63, 15, 9] Generated Node #0,2: 57:[63, 15, 9] Operation: 99/11=9 Exploring Operation: 99-63=36, Resulting Numbers: [11, 15, 36] Generated Node #0,3: 57:[11, 15, 36] Operation: 99-63=36 Moving to Node #0,2 Current State: 57:[63, 15, 9], Operations: ['99/11=9'] Exploring Operation: 63-9=54, Resulting Numbers: [15, 54] Generated Node #0,2,0: 57:[15, 54] Operation: 63-9=54 Exploring Operation: 15-9=6, Resulting Numbers: [63, 6] Generated Node #0,2,1: 57:[63, 6] Operation: 15-9=6 Exploring Operation: 15+9=24, Resulting Numbers: [63, 24] Generated Node #0,2,2: 57:[63, 24] Operation: 15+9=24 Exploring Operation: 63/9=7, Resulting Numbers: [15, 7] Generated Node #0,2,3: 57:[15, 7] Operation: 63/9=7 Moving to Node #0,3 Current State: 57:[11, 15, 36], Operations: ['99-63=36'] Exploring Operation: 11+36=47, Resulting Numbers: [15, 47] Generated Node #0,3,0: 57:[15, 47] Operation: 11+36=47 Exploring Operation: 36-15=21, Resulting Numbers: [11, 21] Generated Node #0,3,1: 57:[11, 21] Operation: 36-15=21 Exploring Operation: 36-11=25, Resulting Numbers: [15, 25] Generated Node #0,3,2: 57:[15, 25] Operation: 36-11=25 Exploring Operation: 15+36=51, Resulting Numbers: [11, 51] Generated Node #0,3,3: 57:[11, 51] Operation: 15+36=51 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 57:[11, 21], Operations: ['99-63=36', '36-15=21'] Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,57 unequal: No Solution Exploring Operation: 11*21=231, Resulting Numbers: [231] 231,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 57:[15, 25], Operations: ['99-63=36', '36-11=25'] Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 15+25=40, Resulting Numbers: [40] 40,57 unequal: No Solution Exploring Operation: 15*25=375, Resulting Numbers: [375] 375,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 57:[15, 47], Operations: ['99-63=36', '11+36=47'] Exploring Operation: 15*47=705, Resulting Numbers: [705] 705,57 unequal: No Solution Exploring Operation: 15+47=62, Resulting Numbers: [62] 62,57 unequal: No Solution Exploring Operation: 47-15=32, Resulting Numbers: [32] 32,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 57:[11, 51], Operations: ['99-63=36', '15+36=51'] Exploring Operation: 11*51=561, Resulting Numbers: [561] 561,57 unequal: No Solution Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,57 unequal: No Solution Exploring Operation: 11+51=62, Resulting Numbers: [62] 62,57 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: 57:[63, 11, 84], Operations: ['99-15=84'] Exploring Operation: 63-11=52, Resulting Numbers: [84, 52] Generated Node #0,1,0: 57:[84, 52] Operation: 63-11=52 Exploring Operation: 84-63=21, Resulting Numbers: [11, 21] Generated Node #0,1,1: 57:[11, 21] Operation: 84-63=21 Exploring Operation: 84-11=73, Resulting Numbers: [63, 73] Generated Node #0,1,2: 57:[63, 73] Operation: 84-11=73 Exploring Operation: 63+11=74, Resulting Numbers: [84, 74] Generated Node #0,1,3: 57:[84, 74] Operation: 63+11=74 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 57:[11, 21], Operations: ['99-15=84', '84-63=21'] Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,57 unequal: No Solution Exploring Operation: 11*21=231, Resulting Numbers: [231] 231,57 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 57:[63, 73], Operations: ['99-15=84', '84-11=73'] Exploring Operation: 63*73=4599, Resulting Numbers: [4599] 4599,57 unequal: No Solution Exploring Operation: 63+73=136, Resulting Numbers: [136] 136,57 unequal: No Solution Exploring Operation: 73-63=10, Resulting Numbers: [10] 10,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 57:[84, 52], Operations: ['99-15=84', '63-11=52'] Exploring Operation: 84+52=136, Resulting Numbers: [136] 136,57 unequal: No Solution Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,57 unequal: No Solution Exploring Operation: 84*52=4368, Resulting Numbers: [4368] 4368,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 57:[84, 74], Operations: ['99-15=84', '63+11=74'] Exploring Operation: 84*74=6216, Resulting Numbers: [6216] 6216,57 unequal: No Solution Exploring Operation: 84-74=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 84+74=158, Resulting Numbers: [158] 158,57 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: 57:[63, 15, 88], Operations: ['99-11=88'] Exploring Operation: 63-15=48, Resulting Numbers: [88, 48] Generated Node #0,0,0: 57:[88, 48] Operation: 63-15=48 Exploring Operation: 63+15=78, Resulting Numbers: [88, 78] Generated Node #0,0,1: 57:[88, 78] Operation: 63+15=78 Exploring Operation: 88-63=25, Resulting Numbers: [15, 25] Generated Node #0,0,2: 57:[15, 25] Operation: 88-63=25 Exploring Operation: 88-15=73, Resulting Numbers: [63, 73] Generated Node #0,0,3: 57:[63, 73] Operation: 88-15=73 Moving to Node #0,2,0 Current State: 57:[15, 54], Operations: ['99/11=9', '63-9=54'] Exploring Operation: 15*54=810, Resulting Numbers: [810] 810,57 unequal: No Solution Exploring Operation: 54-15=39, Resulting Numbers: [39] 39,57 unequal: No Solution Exploring Operation: 15+54=69, Resulting Numbers: [69] 69,57 unequal: No Solution Moving to Node #0,2,3 Current State: 57:[15, 7], Operations: ['99/11=9', '63/9=7'] Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 15*7=105, Resulting Numbers: [105] 105,57 unequal: No Solution Exploring Operation: 15+7=22, Resulting Numbers: [22] 22,57 unequal: No Solution Moving to Node #0,2,1 Current State: 57:[63, 6], Operations: ['99/11=9', '15-9=6'] Exploring Operation: 63+6=69, Resulting Numbers: [69] 69,57 unequal: No Solution Exploring Operation: 63*6=378, Resulting Numbers: [378] 378,57 unequal: No Solution Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[63, 11, 15, 99], Operations: [] Exploring Operation: 99/11=9, Resulting Numbers: [63, 15, 9] Generated Node #0,2: 57:[63, 15, 9] Operation: 99/11=9 Moving to Node #0,2 Current State: 57:[63, 15, 9], Operations: ['99/11=9'] Exploring Operation: 15-9=6, Resulting Numbers: [63, 6] Generated Node #0,2,1: 57:[63, 6] Operation: 15-9=6 Moving to Node #0,2,1 Current State: 57:[63, 6], Operations: ['99/11=9', '15-9=6'] Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.950521
hs_4
sum_heuristic
[ 17, 47, 97, 83 ]
44
[ "47-17=30", "97-83=14", "30+14=44" ]
Current State: 44:[17, 47, 97, 83], Operations: [] Exploring Operation: 47-17=30, Resulting Numbers: [97, 83, 30] Generated Node #2: [97, 83, 30] from Operation: 47-17=30 Current State: 44:[97, 83, 30], Operations: ['47-17=30'] Exploring Operation: 97-83=14, Resulting Numbers: [30, 14] Generated Node #3: [30, 14] from Operation: 97-83=14 Current State: 44:[30, 14], Operations: ['47-17=30', '97-83=14'] Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[17, 47, 97, 83], Operations: [] Exploring Operation: 97-83=14, Resulting Numbers: [17, 47, 14] Generated Node #0,0: 44:[17, 47, 14] Operation: 97-83=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[17, 47, 14], Operations: ['97-83=14'] Exploring Operation: 17-14=3, Resulting Numbers: [47, 3] Generated Node #0,0,0: 44:[47, 3] Operation: 17-14=3 Moving to Node #0,0,0 Current State: 44:[47, 3], Operations: ['97-83=14', '17-14=3'] Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[17, 47, 97, 83], Operations: [] Exploring Operation: 97-83=14, Resulting Numbers: [17, 47, 14] Generated Node #0,0: 44:[17, 47, 14] Operation: 97-83=14 Moving to Node #0,0 Current State: 44:[17, 47, 14], Operations: ['97-83=14'] Exploring Operation: 17-14=3, Resulting Numbers: [47, 3] Generated Node #0,0,0: 44:[47, 3] Operation: 17-14=3 Moving to Node #0,0,0 Current State: 44:[47, 3], Operations: ['97-83=14', '17-14=3'] Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 26, 35, 28, 24 ]
37
[ "28+24=52", "52/26=2", "35+2=37" ]
Current State: 37:[26, 35, 28, 24], Operations: [] Exploring Operation: 28+24=52, Resulting Numbers: [26, 35, 52] Generated Node #2: [26, 35, 52] from Operation: 28+24=52 Current State: 37:[26, 35, 52], Operations: ['28+24=52'] Exploring Operation: 52/26=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 52/26=2 Current State: 37:[35, 2], Operations: ['28+24=52', '52/26=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[26, 35, 28, 24], Operations: [] Exploring Operation: 26+28=54, Resulting Numbers: [35, 24, 54] Generated Node #0,0: 37:[35, 24, 54] Operation: 26+28=54 Exploring Operation: 28+24=52, Resulting Numbers: [26, 35, 52] Generated Node #0,1: 37:[26, 35, 52] Operation: 28+24=52 Exploring Operation: 26+24=50, Resulting Numbers: [35, 28, 50] Generated Node #0,2: 37:[35, 28, 50] Operation: 26+24=50 Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[35, 28, 50], Operations: ['26+24=50'] Exploring Operation: 50-28=22, Resulting Numbers: [35, 22] Generated Node #0,2,0: 37:[35, 22] Operation: 50-28=22 Exploring Operation: 35+28=63, Resulting Numbers: [50, 63] Generated Node #0,2,1: 37:[50, 63] Operation: 35+28=63 Exploring Operation: 50-35=15, Resulting Numbers: [28, 15] Generated Node #0,2,2: 37:[28, 15] Operation: 50-35=15 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 37:[35, 22], Operations: ['26+24=50', '50-28=22'] Exploring Operation: 35*22=770, Resulting Numbers: [770] 770,37 unequal: No Solution Exploring Operation: 35+22=57, Resulting Numbers: [57] 57,37 unequal: No Solution Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,37 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 #0,2,2 Current State: 37:[28, 15], Operations: ['26+24=50', '50-35=15'] Exploring Operation: 28+15=43, Resulting Numbers: [43] 43,37 unequal: No Solution Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,37 unequal: No Solution Exploring Operation: 28*15=420, Resulting Numbers: [420] 420,37 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 #0,2,1 Current State: 37:[50, 63], Operations: ['26+24=50', '35+28=63'] Exploring Operation: 63-50=13, Resulting Numbers: [13] 13,37 unequal: No Solution Exploring Operation: 50*63=3150, Resulting Numbers: [3150] 3150,37 unequal: No Solution Exploring Operation: 50+63=113, Resulting Numbers: [113] 113,37 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:[26, 35, 52], Operations: ['28+24=52'] Exploring Operation: 52-26=26, Resulting Numbers: [35, 26] Generated Node #0,1,0: 37:[35, 26] Operation: 52-26=26 Exploring Operation: 52-35=17, Resulting Numbers: [26, 17] Generated Node #0,1,1: 37:[26, 17] Operation: 52-35=17 Exploring Operation: 52/26=2, Resulting Numbers: [35, 2] Generated Node #0,1,2: 37:[35, 2] Operation: 52/26=2 Moving to Node #0,1,0 Current State: 37:[35, 26], Operations: ['28+24=52', '52-26=26'] Exploring Operation: 35*26=910, Resulting Numbers: [910] 910,37 unequal: No Solution Exploring Operation: 35+26=61, Resulting Numbers: [61] 61,37 unequal: No Solution Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[26, 17], Operations: ['28+24=52', '52-35=17'] Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,37 unequal: No Solution Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,37 unequal: No Solution Exploring Operation: 26*17=442, Resulting Numbers: [442] 442,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[35, 2], Operations: ['28+24=52', '52/26=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[26, 35, 28, 24], Operations: [] Exploring Operation: 28+24=52, Resulting Numbers: [26, 35, 52] Generated Node #0,1: 37:[26, 35, 52] Operation: 28+24=52 Moving to Node #0,1 Current State: 37:[26, 35, 52], Operations: ['28+24=52'] Exploring Operation: 52/26=2, Resulting Numbers: [35, 2] Generated Node #0,1,2: 37:[35, 2] Operation: 52/26=2 Moving to Node #0,1,2 Current State: 37:[35, 2], Operations: ['28+24=52', '52/26=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_3
mult_heuristic
[ 47, 3, 43, 23 ]
59
[ "47+23=70", "3*43=129", "129-70=59" ]
Current State: 59:[47, 3, 43, 23], Operations: [] Exploring Operation: 47+23=70, Resulting Numbers: [3, 43, 70] Generated Node #2: [3, 43, 70] from Operation: 47+23=70 Current State: 59:[3, 43, 70], Operations: ['47+23=70'] Exploring Operation: 3*43=129, Resulting Numbers: [70, 129] Generated Node #3: [70, 129] from Operation: 3*43=129 Current State: 59:[70, 129], Operations: ['47+23=70', '3*43=129'] Exploring Operation: 129-70=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[47, 3, 43, 23], Operations: [] Exploring Operation: 3*23=69, Resulting Numbers: [47, 43, 69] Generated Node #0,0: 59:[47, 43, 69] Operation: 3*23=69 Moving to Node #0,0 Current State: 59:[47, 43, 69], Operations: ['3*23=69'] Exploring Operation: 47+43=90, Resulting Numbers: [69, 90] Generated Node #0,0,0: 59:[69, 90] Operation: 47+43=90 Moving to Node #0,0,0 Current State: 59:[69, 90], Operations: ['3*23=69', '47+43=90'] Exploring Operation: 90-69=21, Resulting Numbers: [21] 21,59 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 4, 46, 62, 60 ]
31
[ "60/4=15", "62-46=16", "15+16=31" ]
Current State: 31:[4, 46, 62, 60], Operations: [] Exploring Operation: 60/4=15, Resulting Numbers: [46, 62, 15] Generated Node #2: [46, 62, 15] from Operation: 60/4=15 Current State: 31:[46, 62, 15], Operations: ['60/4=15'] Exploring Operation: 62-46=16, Resulting Numbers: [15, 16] Generated Node #3: [15, 16] from Operation: 62-46=16 Current State: 31:[15, 16], Operations: ['60/4=15', '62-46=16'] Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[4, 46, 62, 60], Operations: [] Exploring Operation: 60/4=15, Resulting Numbers: [46, 62, 15] Generated Node #0,0: 31:[46, 62, 15] Operation: 60/4=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[46, 62, 15], Operations: ['60/4=15'] Exploring Operation: 62-46=16, Resulting Numbers: [15, 16] Generated Node #0,0,0: 31:[15, 16] Operation: 62-46=16 Moving to Node #0,0,0 Current State: 31:[15, 16], Operations: ['60/4=15', '62-46=16'] Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[4, 46, 62, 60], Operations: [] Exploring Operation: 60/4=15, Resulting Numbers: [46, 62, 15] Generated Node #0,0: 31:[46, 62, 15] Operation: 60/4=15 Moving to Node #0,0 Current State: 31:[46, 62, 15], Operations: ['60/4=15'] Exploring Operation: 62-46=16, Resulting Numbers: [15, 16] Generated Node #0,0,0: 31:[15, 16] Operation: 62-46=16 Moving to Node #0,0,0 Current State: 31:[15, 16], Operations: ['60/4=15', '62-46=16'] Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 77, 7, 91, 15 ]
49
[ "77-15=62", "91/7=13", "62-13=49" ]
Current State: 49:[77, 7, 91, 15], Operations: [] Exploring Operation: 77-15=62, Resulting Numbers: [7, 91, 62] Generated Node #2: [7, 91, 62] from Operation: 77-15=62 Current State: 49:[7, 91, 62], Operations: ['77-15=62'] Exploring Operation: 91/7=13, Resulting Numbers: [62, 13] Generated Node #3: [62, 13] from Operation: 91/7=13 Current State: 49:[62, 13], Operations: ['77-15=62', '91/7=13'] Exploring Operation: 62-13=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[77, 7, 91, 15], Operations: [] Exploring Operation: 91-77=14, Resulting Numbers: [7, 15, 14] Generated Node #0,0: 49:[7, 15, 14] Operation: 91-77=14 Exploring Operation: 77-15=62, Resulting Numbers: [7, 91, 62] Generated Node #0,1: 49:[7, 91, 62] Operation: 77-15=62 Exploring Operation: 91/7=13, Resulting Numbers: [77, 15, 13] Generated Node #0,2: 49:[77, 15, 13] Operation: 91/7=13 Exploring Operation: 77/7=11, Resulting Numbers: [91, 15, 11] Generated Node #0,3: 49:[91, 15, 11] Operation: 77/7=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[7, 15, 14], Operations: ['91-77=14'] Exploring Operation: 15-14=1, Resulting Numbers: [7, 1] Generated Node #0,0,0: 49:[7, 1] Operation: 15-14=1 Exploring Operation: 15-7=8, Resulting Numbers: [14, 8] Generated Node #0,0,1: 49:[14, 8] Operation: 15-7=8 Exploring Operation: 14-7=7, Resulting Numbers: [15, 7] Generated Node #0,0,2: 49:[15, 7] Operation: 14-7=7 Exploring Operation: 14/7=2, Resulting Numbers: [15, 2] Generated Node #0,0,3: 49:[15, 2] Operation: 14/7=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 49:[7, 1], Operations: ['91-77=14', '15-14=1'] Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 7*1=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 7+1=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,49 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:[14, 8], Operations: ['91-77=14', '15-7=8'] Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,49 unequal: No Solution Exploring Operation: 14*8=112, Resulting Numbers: [112] 112,49 unequal: No Solution Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,49 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 #0,0,2 Current State: 49:[15, 7], Operations: ['91-77=14', '14-7=7'] Exploring Operation: 15+7=22, Resulting Numbers: [22] 22,49 unequal: No Solution Exploring Operation: 15*7=105, Resulting Numbers: [105] 105,49 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,49 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 #0,0,3 Current State: 49:[15, 2], Operations: ['91-77=14', '14/7=2'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,49 unequal: No Solution Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,49 unequal: No Solution Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,49 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:[77, 15, 13], Operations: ['91/7=13'] Exploring Operation: 77-13=64, Resulting Numbers: [15, 64] Generated Node #0,2,0: 49:[15, 64] Operation: 77-13=64 Exploring Operation: 77-15=62, Resulting Numbers: [13, 62] Generated Node #0,2,1: 49:[13, 62] Operation: 77-15=62 Exploring Operation: 77+15=92, Resulting Numbers: [13, 92] Generated Node #0,2,2: 49:[13, 92] Operation: 77+15=92 Exploring Operation: 15-13=2, Resulting Numbers: [77, 2] Generated Node #0,2,3: 49:[77, 2] Operation: 15-13=2 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 49:[13, 62], Operations: ['91/7=13', '77-15=62'] Exploring Operation: 13+62=75, Resulting Numbers: [75] 75,49 unequal: No Solution Exploring Operation: 62-13=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[77, 7, 91, 15], Operations: [] Exploring Operation: 91/7=13, Resulting Numbers: [77, 15, 13] Generated Node #0,2: 49:[77, 15, 13] Operation: 91/7=13 Moving to Node #0,2 Current State: 49:[77, 15, 13], Operations: ['91/7=13'] Exploring Operation: 77-15=62, Resulting Numbers: [13, 62] Generated Node #0,2,1: 49:[13, 62] Operation: 77-15=62 Moving to Node #0,2,1 Current State: 49:[13, 62], Operations: ['91/7=13', '77-15=62'] Exploring Operation: 62-13=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.97309
hs_4
sum_heuristic
[ 4, 64, 48, 3 ]
68
[ "64-4=60", "60/3=20", "48+20=68" ]
Current State: 68:[4, 64, 48, 3], Operations: [] Exploring Operation: 64-4=60, Resulting Numbers: [48, 3, 60] Generated Node #2: [48, 3, 60] from Operation: 64-4=60 Current State: 68:[48, 3, 60], Operations: ['64-4=60'] Exploring Operation: 60/3=20, Resulting Numbers: [48, 20] Generated Node #3: [48, 20] from Operation: 60/3=20 Current State: 68:[48, 20], Operations: ['64-4=60', '60/3=20'] Exploring Operation: 48+20=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[4, 64, 48, 3], Operations: [] Exploring Operation: 48/3=16, Resulting Numbers: [4, 64, 16] Generated Node #0,0: 68:[4, 64, 16] Operation: 48/3=16 Exploring Operation: 64-48=16, Resulting Numbers: [4, 3, 16] Generated Node #0,1: 68:[4, 3, 16] Operation: 64-48=16 Moving to Node #0,1 Current State: 68:[4, 3, 16], Operations: ['64-48=16'] Exploring Operation: 16/4=4, Resulting Numbers: [3, 4] Generated Node #0,1,0: 68:[3, 4] Operation: 16/4=4 Exploring Operation: 4-3=1, Resulting Numbers: [16, 1] Generated Node #0,1,1: 68:[16, 1] Operation: 4-3=1 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 68:[3, 4], Operations: ['64-48=16', '16/4=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,68 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 68:[16, 1], Operations: ['64-48=16', '4-3=1'] Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,68 unequal: No Solution Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,68 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: 68:[4, 64, 16], Operations: ['48/3=16'] Exploring Operation: 64/16=4, Resulting Numbers: [4, 4] Generated Node #0,0,0: 68:[4, 4] Operation: 64/16=4 Exploring Operation: 4+64=68, Resulting Numbers: [16, 68] Generated Node #0,0,1: 68:[16, 68] Operation: 4+64=68 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[4, 4], Operations: ['48/3=16', '64/16=4'] Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,68 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 68:[16, 68], Operations: ['48/3=16', '4+64=68'] Exploring Operation: 68-16=52, Resulting Numbers: [52] 52,68 unequal: No Solution Exploring Operation: 16+68=84, Resulting Numbers: [84] 84,68 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
[ 8, 72, 24, 74 ]
69
[ "74-8=66", "72/24=3", "66+3=69" ]
Current State: 69:[8, 72, 24, 74], Operations: [] Exploring Operation: 74-8=66, Resulting Numbers: [72, 24, 66] Generated Node #2: [72, 24, 66] from Operation: 74-8=66 Current State: 69:[72, 24, 66], Operations: ['74-8=66'] Exploring Operation: 72/24=3, Resulting Numbers: [66, 3] Generated Node #3: [66, 3] from Operation: 72/24=3 Current State: 69:[66, 3], Operations: ['74-8=66', '72/24=3'] Exploring Operation: 66+3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[8, 72, 24, 74], Operations: [] Exploring Operation: 24/8=3, Resulting Numbers: [72, 74, 3] Generated Node #0,0: 69:[72, 74, 3] Operation: 24/8=3 Exploring Operation: 74-8=66, Resulting Numbers: [72, 24, 66] Generated Node #0,1: 69:[72, 24, 66] Operation: 74-8=66 Exploring Operation: 74-72=2, Resulting Numbers: [8, 24, 2] Generated Node #0,2: 69:[8, 24, 2] Operation: 74-72=2 Exploring Operation: 72/24=3, Resulting Numbers: [8, 74, 3] Generated Node #0,3: 69:[8, 74, 3] Operation: 72/24=3 Moving to Node #0,1 Current State: 69:[72, 24, 66], Operations: ['74-8=66'] Exploring Operation: 66-24=42, Resulting Numbers: [72, 42] Generated Node #0,1,0: 69:[72, 42] Operation: 66-24=42 Exploring Operation: 72-24=48, Resulting Numbers: [66, 48] Generated Node #0,1,1: 69:[66, 48] Operation: 72-24=48 Exploring Operation: 72/24=3, Resulting Numbers: [66, 3] Generated Node #0,1,2: 69:[66, 3] Operation: 72/24=3 Exploring Operation: 72-66=6, Resulting Numbers: [24, 6] Generated Node #0,1,3: 69:[24, 6] Operation: 72-66=6 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 69:[66, 3], Operations: ['74-8=66', '72/24=3'] Exploring Operation: 66*3=198, Resulting Numbers: [198] 198,69 unequal: No Solution Exploring Operation: 66+3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[8, 72, 24, 74], Operations: [] Exploring Operation: 74-8=66, Resulting Numbers: [72, 24, 66] Generated Node #0,1: 69:[72, 24, 66] Operation: 74-8=66 Moving to Node #0,1 Current State: 69:[72, 24, 66], Operations: ['74-8=66'] Exploring Operation: 72/24=3, Resulting Numbers: [66, 3] Generated Node #0,1,2: 69:[66, 3] Operation: 72/24=3 Moving to Node #0,1,2 Current State: 69:[66, 3], Operations: ['74-8=66', '72/24=3'] Exploring Operation: 66+3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 8, 73, 61, 58 ]
97
[ "61-58=3", "8*3=24", "73+24=97" ]
Current State: 97:[8, 73, 61, 58], Operations: [] Exploring Operation: 61-58=3, Resulting Numbers: [8, 73, 3] Generated Node #2: [8, 73, 3] from Operation: 61-58=3 Current State: 97:[8, 73, 3], Operations: ['61-58=3'] Exploring Operation: 8*3=24, Resulting Numbers: [73, 24] Generated Node #3: [73, 24] from Operation: 8*3=24 Current State: 97:[73, 24], Operations: ['61-58=3', '8*3=24'] Exploring Operation: 73+24=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[8, 73, 61, 58], Operations: [] Exploring Operation: 8+61=69, Resulting Numbers: [73, 58, 69] Generated Node #0,0: 97:[73, 58, 69] Operation: 8+61=69 Exploring Operation: 8+73=81, Resulting Numbers: [61, 58, 81] Generated Node #0,1: 97:[61, 58, 81] Operation: 8+73=81 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[73, 58, 69], Operations: ['8+61=69'] Exploring Operation: 58+69=127, Resulting Numbers: [73, 127] Generated Node #0,0,0: 97:[73, 127] Operation: 58+69=127 Exploring Operation: 73+58=131, Resulting Numbers: [69, 131] Generated Node #0,0,1: 97:[69, 131] Operation: 73+58=131 Moving to Node #0,0,0 Current State: 97:[73, 127], Operations: ['8+61=69', '58+69=127'] Exploring Operation: 127-73=54, Resulting Numbers: [54] 54,97 unequal: No Solution Exploring Operation: 73+127=200, Resulting Numbers: [200] 200,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[69, 131], Operations: ['8+61=69', '73+58=131'] Exploring Operation: 131-69=62, Resulting Numbers: [62] 62,97 unequal: No Solution Exploring Operation: 69+131=200, Resulting Numbers: [200] 200,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[61, 58, 81], Operations: ['8+73=81'] Exploring Operation: 58+81=139, Resulting Numbers: [61, 139] Generated Node #0,1,0: 97:[61, 139] Operation: 58+81=139 Exploring Operation: 61+58=119, Resulting Numbers: [81, 119] Generated Node #0,1,1: 97:[81, 119] Operation: 61+58=119 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 97:[81, 119], Operations: ['8+73=81', '61+58=119'] Exploring Operation: 81+119=200, Resulting Numbers: [200] 200,97 unequal: No Solution Exploring Operation: 119-81=38, Resulting Numbers: [38] 38,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 97:[61, 139], Operations: ['8+73=81', '58+81=139'] Exploring Operation: 61+139=200, Resulting Numbers: [200] 200,97 unequal: No Solution Exploring Operation: 139-61=78, Resulting Numbers: [78] 78,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 63, 82, 75, 21 ]
60
[ "82-75=7", "21/7=3", "63-3=60" ]
Current State: 60:[63, 82, 75, 21], Operations: [] Exploring Operation: 82-75=7, Resulting Numbers: [63, 21, 7] Generated Node #2: [63, 21, 7] from Operation: 82-75=7 Current State: 60:[63, 21, 7], Operations: ['82-75=7'] Exploring Operation: 21/7=3, Resulting Numbers: [63, 3] Generated Node #3: [63, 3] from Operation: 21/7=3 Current State: 60:[63, 3], Operations: ['82-75=7', '21/7=3'] Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[63, 82, 75, 21], Operations: [] Exploring Operation: 82-21=61, Resulting Numbers: [63, 75, 61] Generated Node #0,0: 60:[63, 75, 61] Operation: 82-21=61 Exploring Operation: 82-63=19, Resulting Numbers: [75, 21, 19] Generated Node #0,1: 60:[75, 21, 19] Operation: 82-63=19 Exploring Operation: 75-63=12, Resulting Numbers: [82, 21, 12] Generated Node #0,2: 60:[82, 21, 12] Operation: 75-63=12 Exploring Operation: 82-75=7, Resulting Numbers: [63, 21, 7] Generated Node #0,3: 60:[63, 21, 7] Operation: 82-75=7 Moving to Node #0,3 Current State: 60:[63, 21, 7], Operations: ['82-75=7'] Exploring Operation: 21-7=14, Resulting Numbers: [63, 14] Generated Node #0,3,0: 60:[63, 14] Operation: 21-7=14 Exploring Operation: 21/7=3, Resulting Numbers: [63, 3] Generated Node #0,3,1: 60:[63, 3] Operation: 21/7=3 Exploring Operation: 63/21=3, Resulting Numbers: [7, 3] Generated Node #0,3,2: 60:[7, 3] Operation: 63/21=3 Exploring Operation: 63/7=9, Resulting Numbers: [21, 9] Generated Node #0,3,3: 60:[21, 9] Operation: 63/7=9 Moving to Node #0,1 Current State: 60:[75, 21, 19], Operations: ['82-63=19'] Exploring Operation: 75-19=56, Resulting Numbers: [21, 56] Generated Node #0,1,0: 60:[21, 56] Operation: 75-19=56 Exploring Operation: 21-19=2, Resulting Numbers: [75, 2] Generated Node #0,1,1: 60:[75, 2] Operation: 21-19=2 Exploring Operation: 75-21=54, Resulting Numbers: [19, 54] Generated Node #0,1,2: 60:[19, 54] Operation: 75-21=54 Exploring Operation: 21+19=40, Resulting Numbers: [75, 40] Generated Node #0,1,3: 60:[75, 40] Operation: 21+19=40 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 60:[21, 56], Operations: ['82-63=19', '75-19=56'] Exploring Operation: 21+56=77, Resulting Numbers: [77] 77,60 unequal: No Solution Exploring Operation: 56-21=35, Resulting Numbers: [35] 35,60 unequal: No Solution Exploring Operation: 21*56=1176, Resulting Numbers: [1176] 1176,60 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 #0,1,2 Current State: 60:[19, 54], Operations: ['82-63=19', '75-21=54'] Exploring Operation: 54-19=35, Resulting Numbers: [35] 35,60 unequal: No Solution Exploring Operation: 19*54=1026, Resulting Numbers: [1026] 1026,60 unequal: No Solution Exploring Operation: 19+54=73, Resulting Numbers: [73] 73,60 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 #0,1,1 Current State: 60:[75, 2], Operations: ['82-63=19', '21-19=2'] Exploring Operation: 75*2=150, Resulting Numbers: [150] 150,60 unequal: No Solution Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,60 unequal: No Solution Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,60 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 #0,1,3 Current State: 60:[75, 40], Operations: ['82-63=19', '21+19=40'] Exploring Operation: 75-40=35, Resulting Numbers: [35] 35,60 unequal: No Solution Exploring Operation: 75+40=115, Resulting Numbers: [115] 115,60 unequal: No Solution Exploring Operation: 75*40=3000, Resulting Numbers: [3000] 3000,60 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: 60:[63, 75, 61], Operations: ['82-21=61'] Exploring Operation: 75-61=14, Resulting Numbers: [63, 14] Generated Node #0,0,0: 60:[63, 14] Operation: 75-61=14 Exploring Operation: 63+75=138, Resulting Numbers: [61, 138] Generated Node #0,0,1: 60:[61, 138] Operation: 63+75=138 Exploring Operation: 63-61=2, Resulting Numbers: [75, 2] Generated Node #0,0,2: 60:[75, 2] Operation: 63-61=2 Exploring Operation: 75-63=12, Resulting Numbers: [61, 12] Generated Node #0,0,3: 60:[61, 12] Operation: 75-63=12 Moving to Node #0,2 Current State: 60:[82, 21, 12], Operations: ['75-63=12'] Exploring Operation: 21+12=33, Resulting Numbers: [82, 33] Generated Node #0,2,0: 60:[82, 33] Operation: 21+12=33 Exploring Operation: 82-21=61, Resulting Numbers: [12, 61] Generated Node #0,2,1: 60:[12, 61] Operation: 82-21=61 Exploring Operation: 82-12=70, Resulting Numbers: [21, 70] Generated Node #0,2,2: 60:[21, 70] Operation: 82-12=70 Exploring Operation: 21-12=9, Resulting Numbers: [82, 9] Generated Node #0,2,3: 60:[82, 9] Operation: 21-12=9 Moving to Node #0,3,2 Current State: 60:[7, 3], Operations: ['82-75=7', '63/21=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,60 unequal: No Solution Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,60 unequal: No Solution Moving to Node #0,0,3 Current State: 60:[61, 12], Operations: ['82-21=61', '75-63=12'] Exploring Operation: 61+12=73, Resulting Numbers: [73] 73,60 unequal: No Solution Exploring Operation: 61*12=732, Resulting Numbers: [732] 732,60 unequal: No Solution Exploring Operation: 61-12=49, Resulting Numbers: [49] 49,60 unequal: No Solution Moving to Node #0,2,1 Current State: 60:[12, 61], Operations: ['75-63=12', '82-21=61'] Exploring Operation: 12+61=73, Resulting Numbers: [73] 73,60 unequal: No Solution Exploring Operation: 12*61=732, Resulting Numbers: [732] 732,60 unequal: No Solution Exploring Operation: 61-12=49, Resulting Numbers: [49] 49,60 unequal: No Solution Moving to Node #0,3,3 Current State: 60:[21, 9], Operations: ['82-75=7', '63/7=9'] Exploring Operation: 21*9=189, Resulting Numbers: [189] 189,60 unequal: No Solution Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,60 unequal: No Solution Moving to Node #0,3,1 Current State: 60:[63, 3], Operations: ['82-75=7', '21/7=3'] Exploring Operation: 63*3=189, Resulting Numbers: [189] 189,60 unequal: No Solution Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,60 unequal: No Solution Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[63, 82, 75, 21], Operations: [] Exploring Operation: 82-75=7, Resulting Numbers: [63, 21, 7] Generated Node #0,3: 60:[63, 21, 7] Operation: 82-75=7 Moving to Node #0,3 Current State: 60:[63, 21, 7], Operations: ['82-75=7'] Exploring Operation: 21/7=3, Resulting Numbers: [63, 3] Generated Node #0,3,1: 60:[63, 3] Operation: 21/7=3 Moving to Node #0,3,1 Current State: 60:[63, 3], Operations: ['82-75=7', '21/7=3'] Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
0.954861
hs_4
mult_heuristic
[ 29, 48, 6, 68 ]
93
[ "48-29=19", "6+68=74", "19+74=93" ]
Current State: 93:[29, 48, 6, 68], Operations: [] Exploring Operation: 48-29=19, Resulting Numbers: [6, 68, 19] Generated Node #2: [6, 68, 19] from Operation: 48-29=19 Current State: 93:[6, 68, 19], Operations: ['48-29=19'] Exploring Operation: 6+68=74, Resulting Numbers: [19, 74] Generated Node #3: [19, 74] from Operation: 6+68=74 Current State: 93:[19, 74], Operations: ['48-29=19', '6+68=74'] Exploring Operation: 19+74=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[29, 48, 6, 68], Operations: [] Exploring Operation: 29+68=97, Resulting Numbers: [48, 6, 97] Generated Node #0,0: 93:[48, 6, 97] Operation: 29+68=97 Exploring Operation: 68-48=20, Resulting Numbers: [29, 6, 20] Generated Node #0,1: 93:[29, 6, 20] Operation: 68-48=20 Exploring Operation: 68-29=39, Resulting Numbers: [48, 6, 39] Generated Node #0,2: 93:[48, 6, 39] Operation: 68-29=39 Exploring Operation: 48+68=116, Resulting Numbers: [29, 6, 116] Generated Node #0,3: 93:[29, 6, 116] Operation: 48+68=116 Exploring Operation: 48/6=8, Resulting Numbers: [29, 68, 8] Generated Node #0,4: 93:[29, 68, 8] Operation: 48/6=8 Moving to Node #0,1 Current State: 93:[29, 6, 20], Operations: ['68-48=20'] Exploring Operation: 6+20=26, Resulting Numbers: [29, 26] Generated Node #0,1,0: 93:[29, 26] Operation: 6+20=26 Exploring Operation: 29+6=35, Resulting Numbers: [20, 35] Generated Node #0,1,1: 93:[20, 35] Operation: 29+6=35 Exploring Operation: 20-6=14, Resulting Numbers: [29, 14] Generated Node #0,1,2: 93:[29, 14] Operation: 20-6=14 Exploring Operation: 29-6=23, Resulting Numbers: [20, 23] Generated Node #0,1,3: 93:[20, 23] Operation: 29-6=23 Exploring Operation: 29-20=9, Resulting Numbers: [6, 9] Generated Node #0,1,4: 93:[6, 9] Operation: 29-20=9 Moving to Node #0,0 Current State: 93:[48, 6, 97], Operations: ['29+68=97'] Exploring Operation: 97-48=49, Resulting Numbers: [6, 49] Generated Node #0,0,0: 93:[6, 49] Operation: 97-48=49 Exploring Operation: 48-6=42, Resulting Numbers: [97, 42] Generated Node #0,0,1: 93:[97, 42] Operation: 48-6=42 Exploring Operation: 97-6=91, Resulting Numbers: [48, 91] Generated Node #0,0,2: 93:[48, 91] Operation: 97-6=91 Exploring Operation: 48/6=8, Resulting Numbers: [97, 8] Generated Node #0,0,3: 93:[97, 8] Operation: 48/6=8 Exploring Operation: 48+6=54, Resulting Numbers: [97, 54] Generated Node #0,0,4: 93:[97, 54] Operation: 48+6=54 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 93:[97, 8], Operations: ['29+68=97', '48/6=8'] Exploring Operation: 97-8=89, Resulting Numbers: [89] 89,93 unequal: No Solution Exploring Operation: 97+8=105, Resulting Numbers: [105] 105,93 unequal: No Solution Exploring Operation: 97*8=776, Resulting Numbers: [776] 776,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[97, 42], Operations: ['29+68=97', '48-6=42'] Exploring Operation: 97+42=139, Resulting Numbers: [139] 139,93 unequal: No Solution Exploring Operation: 97*42=4074, Resulting Numbers: [4074] 4074,93 unequal: No Solution Exploring Operation: 97-42=55, Resulting Numbers: [55] 55,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 93:[48, 91], Operations: ['29+68=97', '97-6=91'] Exploring Operation: 48*91=4368, Resulting Numbers: [4368] 4368,93 unequal: No Solution Exploring Operation: 48+91=139, Resulting Numbers: [139] 139,93 unequal: No Solution Exploring Operation: 91-48=43, Resulting Numbers: [43] 43,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[6, 49], Operations: ['29+68=97', '97-48=49'] Exploring Operation: 6+49=55, Resulting Numbers: [55] 55,93 unequal: No Solution Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,93 unequal: No Solution Exploring Operation: 6*49=294, Resulting Numbers: [294] 294,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 93:[97, 54], Operations: ['29+68=97', '48+6=54'] Exploring Operation: 97+54=151, Resulting Numbers: [151] 151,93 unequal: No Solution Exploring Operation: 97*54=5238, Resulting Numbers: [5238] 5238,93 unequal: No Solution Exploring Operation: 97-54=43, Resulting Numbers: [43] 43,93 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: 93:[48, 6, 39], Operations: ['68-29=39'] Exploring Operation: 48/6=8, Resulting Numbers: [39, 8] Generated Node #0,2,0: 93:[39, 8] Operation: 48/6=8 Exploring Operation: 48-39=9, Resulting Numbers: [6, 9] Generated Node #0,2,1: 93:[6, 9] Operation: 48-39=9 Exploring Operation: 48-6=42, Resulting Numbers: [39, 42] Generated Node #0,2,2: 93:[39, 42] Operation: 48-6=42 Exploring Operation: 48+39=87, Resulting Numbers: [6, 87] Generated Node #0,2,3: 93:[6, 87] Operation: 48+39=87 Exploring Operation: 39-6=33, Resulting Numbers: [48, 33] Generated Node #0,2,4: 93:[48, 33] Operation: 39-6=33 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 93:[6, 9], Operations: ['68-29=39', '48-39=9'] Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,93 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:[6, 87], Operations: ['68-29=39', '48+39=87'] Exploring Operation: 87-6=81, Resulting Numbers: [81] 81,93 unequal: No Solution Exploring Operation: 6+87=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[29, 48, 6, 68], Operations: [] Exploring Operation: 68-29=39, Resulting Numbers: [48, 6, 39] Generated Node #0,2: 93:[48, 6, 39] Operation: 68-29=39 Moving to Node #0,2 Current State: 93:[48, 6, 39], Operations: ['68-29=39'] Exploring Operation: 48+39=87, Resulting Numbers: [6, 87] Generated Node #0,2,3: 93:[6, 87] Operation: 48+39=87 Moving to Node #0,2,3 Current State: 93:[6, 87], Operations: ['68-29=39', '48+39=87'] Exploring Operation: 6+87=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.961806
hs_5
sum_heuristic
[ 84, 6, 26, 35 ]
38
[ "84-6=78", "78/26=3", "35+3=38" ]
Current State: 38:[84, 6, 26, 35], Operations: [] Exploring Operation: 84-6=78, Resulting Numbers: [26, 35, 78] Generated Node #2: [26, 35, 78] from Operation: 84-6=78 Current State: 38:[26, 35, 78], Operations: ['84-6=78'] Exploring Operation: 78/26=3, Resulting Numbers: [35, 3] Generated Node #3: [35, 3] from Operation: 78/26=3 Current State: 38:[35, 3], Operations: ['84-6=78', '78/26=3'] Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[84, 6, 26, 35], Operations: [] Exploring Operation: 84-35=49, Resulting Numbers: [6, 26, 49] Generated Node #0,0: 38:[6, 26, 49] Operation: 84-35=49 Exploring Operation: 84/6=14, Resulting Numbers: [26, 35, 14] Generated Node #0,1: 38:[26, 35, 14] Operation: 84/6=14 Moving to Node #0,1 Current State: 38:[26, 35, 14], Operations: ['84/6=14'] Exploring Operation: 35-14=21, Resulting Numbers: [26, 21] Generated Node #0,1,0: 38:[26, 21] Operation: 35-14=21 Exploring Operation: 26+14=40, Resulting Numbers: [35, 40] Generated Node #0,1,1: 38:[35, 40] Operation: 26+14=40 Moving to Node #0,0 Current State: 38:[6, 26, 49], Operations: ['84-35=49'] Exploring Operation: 26-6=20, Resulting Numbers: [49, 20] Generated Node #0,0,0: 38:[49, 20] Operation: 26-6=20 Exploring Operation: 49-26=23, Resulting Numbers: [6, 23] Generated Node #0,0,1: 38:[6, 23] Operation: 49-26=23 Moving to Node #0,1,1 Current State: 38:[35, 40], Operations: ['84/6=14', '26+14=40'] Exploring Operation: 40-35=5, Resulting Numbers: [5] 5,38 unequal: No Solution Exploring Operation: 35+40=75, Resulting Numbers: [75] 75,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[6, 23], Operations: ['84-35=49', '49-26=23'] Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,38 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[26, 21], Operations: ['84/6=14', '35-14=21'] Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,38 unequal: No Solution Exploring Operation: 26+21=47, Resulting Numbers: [47] 47,38 unequal: No Solution Moving to Node #0,0,0 Current State: 38:[49, 20], Operations: ['84-35=49', '26-6=20'] Exploring Operation: 49+20=69, Resulting Numbers: [69] 69,38 unequal: No Solution Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,38 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 59, 60, 67, 5 ]
100
[ "67-59=8", "5*8=40", "60+40=100" ]
Current State: 100:[59, 60, 67, 5], Operations: [] Exploring Operation: 67-59=8, Resulting Numbers: [60, 5, 8] Generated Node #2: [60, 5, 8] from Operation: 67-59=8 Current State: 100:[60, 5, 8], Operations: ['67-59=8'] Exploring Operation: 5*8=40, Resulting Numbers: [60, 40] Generated Node #3: [60, 40] from Operation: 5*8=40 Current State: 100:[60, 40], Operations: ['67-59=8', '5*8=40'] Exploring Operation: 60+40=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[59, 60, 67, 5], Operations: [] Exploring Operation: 67-60=7, Resulting Numbers: [59, 5, 7] Generated Node #0,0: 100:[59, 5, 7] Operation: 67-60=7 Exploring Operation: 67-59=8, Resulting Numbers: [60, 5, 8] Generated Node #0,1: 100:[60, 5, 8] Operation: 67-59=8 Moving to Node #0,0 Current State: 100:[59, 5, 7], Operations: ['67-60=7'] Exploring Operation: 59-5=54, Resulting Numbers: [7, 54] Generated Node #0,0,0: 100:[7, 54] Operation: 59-5=54 Exploring Operation: 59-7=52, Resulting Numbers: [5, 52] Generated Node #0,0,1: 100:[5, 52] Operation: 59-7=52 Moving to Node #0,1 Current State: 100:[60, 5, 8], Operations: ['67-59=8'] Exploring Operation: 60/5=12, Resulting Numbers: [8, 12] Generated Node #0,1,0: 100:[8, 12] Operation: 60/5=12 Exploring Operation: 60-8=52, Resulting Numbers: [5, 52] Generated Node #0,1,1: 100:[5, 52] Operation: 60-8=52 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[5, 52], Operations: ['67-59=8', '60-8=52'] Exploring Operation: 5+52=57, Resulting Numbers: [57] 57,100 unequal: No Solution Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,100 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:[8, 12], Operations: ['67-59=8', '60/5=12'] Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,100 unequal: No Solution Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,100 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: 100:[5, 52], Operations: ['67-60=7', '59-7=52'] Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,100 unequal: No Solution Exploring Operation: 5+52=57, Resulting Numbers: [57] 57,100 unequal: No Solution Moving to Node #0,0,0 Current State: 100:[7, 54], Operations: ['67-60=7', '59-5=54'] Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,100 unequal: No Solution Exploring Operation: 7+54=61, Resulting Numbers: [61] 61,100 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 40, 12, 2, 35 ]
69
[ "40+12=52", "2*52=104", "104-35=69" ]
Current State: 69:[40, 12, 2, 35], Operations: [] Exploring Operation: 40+12=52, Resulting Numbers: [2, 35, 52] Generated Node #2: [2, 35, 52] from Operation: 40+12=52 Current State: 69:[2, 35, 52], Operations: ['40+12=52'] Exploring Operation: 2*52=104, Resulting Numbers: [35, 104] Generated Node #3: [35, 104] from Operation: 2*52=104 Current State: 69:[35, 104], Operations: ['40+12=52', '2*52=104'] Exploring Operation: 104-35=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[40, 12, 2, 35], Operations: [] Exploring Operation: 40-35=5, Resulting Numbers: [12, 2, 5] Generated Node #0,0: 69:[12, 2, 5] Operation: 40-35=5 Moving to Node #0,0 Current State: 69:[12, 2, 5], Operations: ['40-35=5'] Exploring Operation: 12*2=24, Resulting Numbers: [5, 24] Generated Node #0,0,0: 69:[5, 24] Operation: 12*2=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[5, 24], Operations: ['40-35=5', '12*2=24'] Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 15, 3, 9, 95 ]
13
[ "15-3=12", "9*12=108", "108-95=13" ]
Current State: 13:[15, 3, 9, 95], Operations: [] Exploring Operation: 15-3=12, Resulting Numbers: [9, 95, 12] Generated Node #2: [9, 95, 12] from Operation: 15-3=12 Current State: 13:[9, 95, 12], Operations: ['15-3=12'] Exploring Operation: 9*12=108, Resulting Numbers: [95, 108] Generated Node #3: [95, 108] from Operation: 9*12=108 Current State: 13:[95, 108], Operations: ['15-3=12', '9*12=108'] Exploring Operation: 108-95=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[15, 3, 9, 95], Operations: [] Exploring Operation: 95-15=80, Resulting Numbers: [3, 9, 80] Generated Node #0,0: 13:[3, 9, 80] Operation: 95-15=80 Exploring Operation: 3+9=12, Resulting Numbers: [15, 95, 12] Generated Node #0,1: 13:[15, 95, 12] Operation: 3+9=12 Moving to Node #0,0 Current State: 13:[3, 9, 80], Operations: ['95-15=80'] Exploring Operation: 80-3=77, Resulting Numbers: [9, 77] Generated Node #0,0,0: 13:[9, 77] Operation: 80-3=77 Exploring Operation: 3+9=12, Resulting Numbers: [80, 12] Generated Node #0,0,1: 13:[80, 12] Operation: 3+9=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[9, 77], Operations: ['95-15=80', '80-3=77'] Exploring Operation: 77-9=68, Resulting Numbers: [68] 68,13 unequal: No Solution Exploring Operation: 9+77=86, Resulting Numbers: [86] 86,13 unequal: No Solution No 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: 13:[80, 12], Operations: ['95-15=80', '3+9=12'] Exploring Operation: 80-12=68, Resulting Numbers: [68] 68,13 unequal: No Solution Exploring Operation: 80+12=92, Resulting Numbers: [92] 92,13 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: 13:[15, 95, 12], Operations: ['3+9=12'] Exploring Operation: 95-15=80, Resulting Numbers: [12, 80] Generated Node #0,1,0: 13:[12, 80] Operation: 95-15=80 Exploring Operation: 95-12=83, Resulting Numbers: [15, 83] Generated Node #0,1,1: 13:[15, 83] Operation: 95-12=83 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[12, 80], Operations: ['3+9=12', '95-15=80'] Exploring Operation: 12+80=92, Resulting Numbers: [92] 92,13 unequal: No Solution Exploring Operation: 80-12=68, Resulting Numbers: [68] 68,13 unequal: No Solution No 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: 13:[15, 83], Operations: ['3+9=12', '95-12=83'] Exploring Operation: 15+83=98, Resulting Numbers: [98] 98,13 unequal: No Solution Exploring Operation: 83-15=68, Resulting Numbers: [68] 68,13 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
[ 84, 98, 85, 72 ]
27
[ "98-84=14", "85-72=13", "14+13=27" ]
Current State: 27:[84, 98, 85, 72], Operations: [] Exploring Operation: 98-84=14, Resulting Numbers: [85, 72, 14] Generated Node #2: [85, 72, 14] from Operation: 98-84=14 Current State: 27:[85, 72, 14], Operations: ['98-84=14'] Exploring Operation: 85-72=13, Resulting Numbers: [14, 13] Generated Node #3: [14, 13] from Operation: 85-72=13 Current State: 27:[14, 13], Operations: ['98-84=14', '85-72=13'] Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[84, 98, 85, 72], Operations: [] Exploring Operation: 85-84=1, Resulting Numbers: [98, 72, 1] Generated Node #0,0: 27:[98, 72, 1] Operation: 85-84=1 Exploring Operation: 84-72=12, Resulting Numbers: [98, 85, 12] Generated Node #0,1: 27:[98, 85, 12] Operation: 84-72=12 Exploring Operation: 98-84=14, Resulting Numbers: [85, 72, 14] Generated Node #0,2: 27:[85, 72, 14] Operation: 98-84=14 Exploring Operation: 98-85=13, Resulting Numbers: [84, 72, 13] Generated Node #0,3: 27:[84, 72, 13] Operation: 98-85=13 Exploring Operation: 98-72=26, Resulting Numbers: [84, 85, 26] Generated Node #0,4: 27:[84, 85, 26] Operation: 98-72=26 Moving to Node #0,3 Current State: 27:[84, 72, 13], Operations: ['98-85=13'] Exploring Operation: 72-13=59, Resulting Numbers: [84, 59] Generated Node #0,3,0: 27:[84, 59] Operation: 72-13=59 Exploring Operation: 84-13=71, Resulting Numbers: [72, 71] Generated Node #0,3,1: 27:[72, 71] Operation: 84-13=71 Exploring Operation: 84-72=12, Resulting Numbers: [13, 12] Generated Node #0,3,2: 27:[13, 12] Operation: 84-72=12 Exploring Operation: 72+13=85, Resulting Numbers: [84, 85] Generated Node #0,3,3: 27:[84, 85] Operation: 72+13=85 Exploring Operation: 84+13=97, Resulting Numbers: [72, 97] Generated Node #0,3,4: 27:[72, 97] Operation: 84+13=97 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 27:[13, 12], Operations: ['98-85=13', '84-72=12'] Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,27 unequal: No Solution Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,27 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,27 unequal: No Solution No 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: 27:[84, 59], Operations: ['98-85=13', '72-13=59'] Exploring Operation: 84*59=4956, Resulting Numbers: [4956] 4956,27 unequal: No Solution Exploring Operation: 84-59=25, Resulting Numbers: [25] 25,27 unequal: No Solution Exploring Operation: 84+59=143, Resulting Numbers: [143] 143,27 unequal: No Solution No 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: 27:[72, 71], Operations: ['98-85=13', '84-13=71'] Exploring Operation: 72-71=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 72*71=5112, Resulting Numbers: [5112] 5112,27 unequal: No Solution Exploring Operation: 72+71=143, Resulting Numbers: [143] 143,27 unequal: No Solution No 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: 27:[84, 85], Operations: ['98-85=13', '72+13=85'] Exploring Operation: 84+85=169, Resulting Numbers: [169] 169,27 unequal: No Solution Exploring Operation: 84*85=7140, Resulting Numbers: [7140] 7140,27 unequal: No Solution Exploring Operation: 85-84=1, Resulting Numbers: [1] 1,27 unequal: No Solution No 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: 27:[72, 97], Operations: ['98-85=13', '84+13=97'] Exploring Operation: 72*97=6984, Resulting Numbers: [6984] 6984,27 unequal: No Solution Exploring Operation: 72+97=169, Resulting Numbers: [169] 169,27 unequal: No Solution Exploring Operation: 97-72=25, Resulting Numbers: [25] 25,27 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: 27:[85, 72, 14], Operations: ['98-84=14'] Exploring Operation: 85+14=99, Resulting Numbers: [72, 99] Generated Node #0,2,0: 27:[72, 99] Operation: 85+14=99 Exploring Operation: 72+14=86, Resulting Numbers: [85, 86] Generated Node #0,2,1: 27:[85, 86] Operation: 72+14=86 Exploring Operation: 72-14=58, Resulting Numbers: [85, 58] Generated Node #0,2,2: 27:[85, 58] Operation: 72-14=58 Exploring Operation: 85-14=71, Resulting Numbers: [72, 71] Generated Node #0,2,3: 27:[72, 71] Operation: 85-14=71 Exploring Operation: 85-72=13, Resulting Numbers: [14, 13] Generated Node #0,2,4: 27:[14, 13] Operation: 85-72=13 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 27:[14, 13], Operations: ['98-84=14', '85-72=13'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[84, 98, 85, 72], Operations: [] Exploring Operation: 98-84=14, Resulting Numbers: [85, 72, 14] Generated Node #0,2: 27:[85, 72, 14] Operation: 98-84=14 Moving to Node #0,2 Current State: 27:[85, 72, 14], Operations: ['98-84=14'] Exploring Operation: 85-72=13, Resulting Numbers: [14, 13] Generated Node #0,2,4: 27:[14, 13] Operation: 85-72=13 Moving to Node #0,2,4 Current State: 27:[14, 13], Operations: ['98-84=14', '85-72=13'] Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
sum_heuristic
[ 15, 76, 68, 2 ]
15
[ "68-15=53", "76/2=38", "53-38=15" ]
Current State: 15:[15, 76, 68, 2], Operations: [] Exploring Operation: 68-15=53, Resulting Numbers: [76, 2, 53] Generated Node #2: [76, 2, 53] from Operation: 68-15=53 Current State: 15:[76, 2, 53], Operations: ['68-15=53'] Exploring Operation: 76/2=38, Resulting Numbers: [53, 38] Generated Node #3: [53, 38] from Operation: 76/2=38 Current State: 15:[53, 38], Operations: ['68-15=53', '76/2=38'] Exploring Operation: 53-38=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[15, 76, 68, 2], Operations: [] Exploring Operation: 76-68=8, Resulting Numbers: [15, 2, 8] Generated Node #0,0: 15:[15, 2, 8] Operation: 76-68=8 Exploring Operation: 68/2=34, Resulting Numbers: [15, 76, 34] Generated Node #0,1: 15:[15, 76, 34] Operation: 68/2=34 Exploring Operation: 76/2=38, Resulting Numbers: [15, 68, 38] Generated Node #0,2: 15:[15, 68, 38] Operation: 76/2=38 Exploring Operation: 76-15=61, Resulting Numbers: [68, 2, 61] Generated Node #0,3: 15:[68, 2, 61] Operation: 76-15=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[15, 2, 8], Operations: ['76-68=8'] Exploring Operation: 2*8=16, Resulting Numbers: [15, 16] Generated Node #0,0,0: 15:[15, 16] Operation: 2*8=16 Exploring Operation: 8-2=6, Resulting Numbers: [15, 6] Generated Node #0,0,1: 15:[15, 6] Operation: 8-2=6 Exploring Operation: 15-8=7, Resulting Numbers: [2, 7] Generated Node #0,0,2: 15:[2, 7] Operation: 15-8=7 Exploring Operation: 8/2=4, Resulting Numbers: [15, 4] Generated Node #0,0,3: 15:[15, 4] Operation: 8/2=4 Moving to Node #0,0,0 Current State: 15:[15, 16], Operations: ['76-68=8', '2*8=16'] Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,15 unequal: No Solution Exploring Operation: 15*16=240, Resulting Numbers: [240] 240,15 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,15 unequal: No Solution Moving to Node #0,0,3 Current State: 15:[15, 4], Operations: ['76-68=8', '8/2=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,15 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,15 unequal: No Solution Moving to Node #0,0,1 Current State: 15:[15, 6], Operations: ['76-68=8', '8-2=6'] Exploring Operation: 15*6=90, Resulting Numbers: [90] 90,15 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,15 unequal: No Solution Moving to Node #0,0,2 Current State: 15:[2, 7], Operations: ['76-68=8', '15-8=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,15 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,15 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 15:[15, 68, 38], Operations: ['76/2=38'] Exploring Operation: 38-15=23, Resulting Numbers: [68, 23] Generated Node #0,2,0: 15:[68, 23] Operation: 38-15=23 Exploring Operation: 68-38=30, Resulting Numbers: [15, 30] Generated Node #0,2,1: 15:[15, 30] Operation: 68-38=30 Exploring Operation: 68-15=53, Resulting Numbers: [38, 53] Generated Node #0,2,2: 15:[38, 53] Operation: 68-15=53 Exploring Operation: 15+68=83, Resulting Numbers: [38, 83] Generated Node #0,2,3: 15:[38, 83] Operation: 15+68=83 Moving to Node #0,2,1 Current State: 15:[15, 30], Operations: ['76/2=38', '68-38=30'] Exploring Operation: 15*30=450, Resulting Numbers: [450] 450,15 unequal: No Solution Exploring Operation: 30-15=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[15, 76, 68, 2], Operations: [] Exploring Operation: 76/2=38, Resulting Numbers: [15, 68, 38] Generated Node #0,2: 15:[15, 68, 38] Operation: 76/2=38 Moving to Node #0,2 Current State: 15:[15, 68, 38], Operations: ['76/2=38'] Exploring Operation: 68-38=30, Resulting Numbers: [15, 30] Generated Node #0,2,1: 15:[15, 30] Operation: 68-38=30 Moving to Node #0,2,1 Current State: 15:[15, 30], Operations: ['76/2=38', '68-38=30'] Exploring Operation: 30-15=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 57, 20, 24, 40 ]
72
[ "57-20=37", "40-37=3", "24*3=72" ]
Current State: 72:[57, 20, 24, 40], Operations: [] Exploring Operation: 57-20=37, Resulting Numbers: [24, 40, 37] Generated Node #2: [24, 40, 37] from Operation: 57-20=37 Current State: 72:[24, 40, 37], Operations: ['57-20=37'] Exploring Operation: 40-37=3, Resulting Numbers: [24, 3] Generated Node #3: [24, 3] from Operation: 40-37=3 Current State: 72:[24, 3], Operations: ['57-20=37', '40-37=3'] Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[57, 20, 24, 40], Operations: [] Exploring Operation: 57-40=17, Resulting Numbers: [20, 24, 17] Generated Node #0,0: 72:[20, 24, 17] Operation: 57-40=17 Exploring Operation: 57-20=37, Resulting Numbers: [24, 40, 37] Generated Node #0,1: 72:[24, 40, 37] Operation: 57-20=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[20, 24, 17], Operations: ['57-40=17'] Exploring Operation: 24-20=4, Resulting Numbers: [17, 4] Generated Node #0,0,0: 72:[17, 4] Operation: 24-20=4 Exploring Operation: 20-17=3, Resulting Numbers: [24, 3] Generated Node #0,0,1: 72:[24, 3] Operation: 20-17=3 Moving to Node #0,0,1 Current State: 72:[24, 3], Operations: ['57-40=17', '20-17=3'] Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[57, 20, 24, 40], Operations: [] Exploring Operation: 57-40=17, Resulting Numbers: [20, 24, 17] Generated Node #0,0: 72:[20, 24, 17] Operation: 57-40=17 Moving to Node #0,0 Current State: 72:[20, 24, 17], Operations: ['57-40=17'] Exploring Operation: 20-17=3, Resulting Numbers: [24, 3] Generated Node #0,0,1: 72:[24, 3] Operation: 20-17=3 Moving to Node #0,0,1 Current State: 72:[24, 3], Operations: ['57-40=17', '20-17=3'] Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 82, 21, 37, 3 ]
18
[ "82-37=45", "21*3=63", "63-45=18" ]
Current State: 18:[82, 21, 37, 3], Operations: [] Exploring Operation: 82-37=45, Resulting Numbers: [21, 3, 45] Generated Node #2: [21, 3, 45] from Operation: 82-37=45 Current State: 18:[21, 3, 45], Operations: ['82-37=45'] Exploring Operation: 21*3=63, Resulting Numbers: [45, 63] Generated Node #3: [45, 63] from Operation: 21*3=63 Current State: 18:[45, 63], Operations: ['82-37=45', '21*3=63'] Exploring Operation: 63-45=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[82, 21, 37, 3], Operations: [] Exploring Operation: 82-21=61, Resulting Numbers: [37, 3, 61] Generated Node #0,0: 18:[37, 3, 61] Operation: 82-21=61 Exploring Operation: 82-37=45, Resulting Numbers: [21, 3, 45] Generated Node #0,1: 18:[21, 3, 45] Operation: 82-37=45 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[21, 3, 45], Operations: ['82-37=45'] Exploring Operation: 45-21=24, Resulting Numbers: [3, 24] Generated Node #0,1,0: 18:[3, 24] Operation: 45-21=24 Exploring Operation: 45/3=15, Resulting Numbers: [21, 15] Generated Node #0,1,1: 18:[21, 15] Operation: 45/3=15 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 18:[3, 24], Operations: ['82-37=45', '45-21=24'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,18 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 18:[21, 15], Operations: ['82-37=45', '45/3=15'] Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,18 unequal: No Solution Exploring Operation: 21+15=36, Resulting Numbers: [36] 36,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[37, 3, 61], Operations: ['82-21=61'] Exploring Operation: 61-37=24, Resulting Numbers: [3, 24] Generated Node #0,0,0: 18:[3, 24] Operation: 61-37=24 Exploring Operation: 37-3=34, Resulting Numbers: [61, 34] Generated Node #0,0,1: 18:[61, 34] Operation: 37-3=34 Moving to Node #0,0,0 Current State: 18:[3, 24], Operations: ['82-21=61', '61-37=24'] Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[61, 34], Operations: ['82-21=61', '37-3=34'] Exploring Operation: 61+34=95, Resulting Numbers: [95] 95,18 unequal: No Solution Exploring Operation: 61-34=27, Resulting Numbers: [27] 27,18 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
[ 58, 37, 65, 68 ]
15
[ "65-58=7", "37+68=105", "105/7=15" ]
Current State: 15:[58, 37, 65, 68], Operations: [] Exploring Operation: 65-58=7, Resulting Numbers: [37, 68, 7] Generated Node #2: [37, 68, 7] from Operation: 65-58=7 Current State: 15:[37, 68, 7], Operations: ['65-58=7'] Exploring Operation: 37+68=105, Resulting Numbers: [7, 105] Generated Node #3: [7, 105] from Operation: 37+68=105 Current State: 15:[7, 105], Operations: ['65-58=7', '37+68=105'] Exploring Operation: 105/7=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[58, 37, 65, 68], Operations: [] Exploring Operation: 68-65=3, Resulting Numbers: [58, 37, 3] Generated Node #0,0: 15:[58, 37, 3] Operation: 68-65=3 Exploring Operation: 68-58=10, Resulting Numbers: [37, 65, 10] Generated Node #0,1: 15:[37, 65, 10] Operation: 68-58=10 Exploring Operation: 65-58=7, Resulting Numbers: [37, 68, 7] Generated Node #0,2: 15:[37, 68, 7] Operation: 65-58=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[58, 37, 3], Operations: ['68-65=3'] Exploring Operation: 58-37=21, Resulting Numbers: [3, 21] Generated Node #0,0,0: 15:[3, 21] Operation: 58-37=21 Exploring Operation: 58-3=55, Resulting Numbers: [37, 55] Generated Node #0,0,1: 15:[37, 55] Operation: 58-3=55 Exploring Operation: 37-3=34, Resulting Numbers: [58, 34] Generated Node #0,0,2: 15:[58, 34] Operation: 37-3=34 Moving to Node #0,0,0 Current State: 15:[3, 21], Operations: ['68-65=3', '58-37=21'] Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,15 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,15 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,15 unequal: No Solution Moving to Node #0,0,1 Current State: 15:[37, 55], Operations: ['68-65=3', '58-3=55'] Exploring Operation: 37+55=92, Resulting Numbers: [92] 92,15 unequal: No Solution Exploring Operation: 55-37=18, Resulting Numbers: [18] 18,15 unequal: No Solution Exploring Operation: 37*55=2035, Resulting Numbers: [2035] 2035,15 unequal: No Solution Moving to Node #0,0,2 Current State: 15:[58, 34], Operations: ['68-65=3', '37-3=34'] Exploring Operation: 58-34=24, Resulting Numbers: [24] 24,15 unequal: No Solution Exploring Operation: 58+34=92, Resulting Numbers: [92] 92,15 unequal: No Solution Exploring Operation: 58*34=1972, Resulting Numbers: [1972] 1972,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[37, 65, 10], Operations: ['68-58=10'] Exploring Operation: 65-10=55, Resulting Numbers: [37, 55] Generated Node #0,1,0: 15:[37, 55] Operation: 65-10=55 Exploring Operation: 37-10=27, Resulting Numbers: [65, 27] Generated Node #0,1,1: 15:[65, 27] Operation: 37-10=27 Exploring Operation: 65-37=28, Resulting Numbers: [10, 28] Generated Node #0,1,2: 15:[10, 28] Operation: 65-37=28 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 15:[10, 28], Operations: ['68-58=10', '65-37=28'] Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,15 unequal: No Solution Exploring Operation: 10*28=280, Resulting Numbers: [280] 280,15 unequal: No Solution Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,15 unequal: No Solution No 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: 15:[37, 55], Operations: ['68-58=10', '65-10=55'] Exploring Operation: 37+55=92, Resulting Numbers: [92] 92,15 unequal: No Solution Exploring Operation: 55-37=18, Resulting Numbers: [18] 18,15 unequal: No Solution Exploring Operation: 37*55=2035, Resulting Numbers: [2035] 2035,15 unequal: No Solution No 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: 15:[65, 27], Operations: ['68-58=10', '37-10=27'] Exploring Operation: 65+27=92, Resulting Numbers: [92] 92,15 unequal: No Solution Exploring Operation: 65*27=1755, Resulting Numbers: [1755] 1755,15 unequal: No Solution Exploring Operation: 65-27=38, Resulting Numbers: [38] 38,15 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: 15:[37, 68, 7], Operations: ['65-58=7'] Exploring Operation: 68-7=61, Resulting Numbers: [37, 61] Generated Node #0,2,0: 15:[37, 61] Operation: 68-7=61 Exploring Operation: 68-37=31, Resulting Numbers: [7, 31] Generated Node #0,2,1: 15:[7, 31] Operation: 68-37=31 Exploring Operation: 37-7=30, Resulting Numbers: [68, 30] Generated Node #0,2,2: 15:[68, 30] Operation: 37-7=30 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 15:[7, 31], Operations: ['65-58=7', '68-37=31'] Exploring Operation: 7*31=217, Resulting Numbers: [217] 217,15 unequal: No Solution Exploring Operation: 7+31=38, Resulting Numbers: [38] 38,15 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,15 unequal: No Solution No 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: 15:[37, 61], Operations: ['65-58=7', '68-7=61'] Exploring Operation: 61-37=24, Resulting Numbers: [24] 24,15 unequal: No Solution Exploring Operation: 37+61=98, Resulting Numbers: [98] 98,15 unequal: No Solution Exploring Operation: 37*61=2257, Resulting Numbers: [2257] 2257,15 unequal: No Solution No 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: 15:[68, 30], Operations: ['65-58=7', '37-7=30'] Exploring Operation: 68-30=38, Resulting Numbers: [38] 38,15 unequal: No Solution Exploring Operation: 68+30=98, Resulting Numbers: [98] 98,15 unequal: No Solution Exploring Operation: 68*30=2040, Resulting Numbers: [2040] 2040,15 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
[ 65, 68, 27, 65 ]
27
[ "65-65=0", "68*0=0", "27+0=27" ]
Current State: 27:[65, 68, 27, 65], Operations: [] Exploring Operation: 65-65=0, Resulting Numbers: [68, 27, 0] Generated Node #2: [68, 27, 0] from Operation: 65-65=0 Current State: 27:[68, 27, 0], Operations: ['65-65=0'] Exploring Operation: 68*0=0, Resulting Numbers: [27, 0] Generated Node #3: [27, 0] from Operation: 68*0=0 Current State: 27:[27, 0], Operations: ['65-65=0', '68*0=0'] Exploring Operation: 27+0=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[65, 68, 27, 65], Operations: [] Exploring Operation: 68-65=3, Resulting Numbers: [27, 65, 3] Generated Node #0,0: 27:[27, 65, 3] Operation: 68-65=3 Moving to Node #0,0 Current State: 27:[27, 65, 3], Operations: ['68-65=3'] Exploring Operation: 65-27=38, Resulting Numbers: [3, 38] Generated Node #0,0,0: 27:[3, 38] Operation: 65-27=38 Moving to Node #0,0,0 Current State: 27:[3, 38], Operations: ['68-65=3', '65-27=38'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,27 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 91, 59, 90, 18 ]
77
[ "91-90=1", "59+18=77", "1*77=77" ]
Current State: 77:[91, 59, 90, 18], Operations: [] Exploring Operation: 91-90=1, Resulting Numbers: [59, 18, 1] Generated Node #2: [59, 18, 1] from Operation: 91-90=1 Current State: 77:[59, 18, 1], Operations: ['91-90=1'] Exploring Operation: 59+18=77, Resulting Numbers: [1, 77] Generated Node #3: [1, 77] from Operation: 59+18=77 Current State: 77:[1, 77], Operations: ['91-90=1', '59+18=77'] Exploring Operation: 1*77=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[91, 59, 90, 18], Operations: [] Exploring Operation: 59+18=77, Resulting Numbers: [91, 90, 77] Generated Node #0,0: 77:[91, 90, 77] Operation: 59+18=77 Exploring Operation: 91-90=1, Resulting Numbers: [59, 18, 1] Generated Node #0,1: 77:[59, 18, 1] Operation: 91-90=1 Moving to Node #0,0 Current State: 77:[91, 90, 77], Operations: ['59+18=77'] Exploring Operation: 91-90=1, Resulting Numbers: [77, 1] Generated Node #0,0,0: 77:[77, 1] Operation: 91-90=1 Exploring Operation: 91-77=14, Resulting Numbers: [90, 14] Generated Node #0,0,1: 77:[90, 14] Operation: 91-77=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[77, 1], Operations: ['59+18=77', '91-90=1'] Exploring Operation: 77/1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[91, 59, 90, 18], Operations: [] Exploring Operation: 59+18=77, Resulting Numbers: [91, 90, 77] Generated Node #0,0: 77:[91, 90, 77] Operation: 59+18=77 Moving to Node #0,0 Current State: 77:[91, 90, 77], Operations: ['59+18=77'] Exploring Operation: 91-90=1, Resulting Numbers: [77, 1] Generated Node #0,0,0: 77:[77, 1] Operation: 91-90=1 Moving to Node #0,0,0 Current State: 77:[77, 1], Operations: ['59+18=77', '91-90=1'] Exploring Operation: 77/1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 71, 45, 2, 60 ]
28
[ "71+45=116", "116-60=56", "56/2=28" ]
Current State: 28:[71, 45, 2, 60], Operations: [] Exploring Operation: 71+45=116, Resulting Numbers: [2, 60, 116] Generated Node #2: [2, 60, 116] from Operation: 71+45=116 Current State: 28:[2, 60, 116], Operations: ['71+45=116'] Exploring Operation: 116-60=56, Resulting Numbers: [2, 56] Generated Node #3: [2, 56] from Operation: 116-60=56 Current State: 28:[2, 56], Operations: ['71+45=116', '116-60=56'] Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[71, 45, 2, 60], Operations: [] Exploring Operation: 71-45=26, Resulting Numbers: [2, 60, 26] Generated Node #0,0: 28:[2, 60, 26] Operation: 71-45=26 Exploring Operation: 71-60=11, Resulting Numbers: [45, 2, 11] Generated Node #0,1: 28:[45, 2, 11] Operation: 71-60=11 Moving to Node #0,1 Current State: 28:[45, 2, 11], Operations: ['71-60=11'] Exploring Operation: 45-2=43, Resulting Numbers: [11, 43] Generated Node #0,1,0: 28:[11, 43] Operation: 45-2=43 Exploring Operation: 45-11=34, Resulting Numbers: [2, 34] Generated Node #0,1,1: 28:[2, 34] Operation: 45-11=34 Moving to Node #0,0 Current State: 28:[2, 60, 26], Operations: ['71-45=26'] Exploring Operation: 60-26=34, Resulting Numbers: [2, 34] Generated Node #0,0,0: 28:[2, 34] Operation: 60-26=34 Exploring Operation: 60/2=30, Resulting Numbers: [26, 30] Generated Node #0,0,1: 28:[26, 30] Operation: 60/2=30 Moving to Node #0,0,1 Current State: 28:[26, 30], Operations: ['71-45=26', '60/2=30'] Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,28 unequal: No Solution Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,28 unequal: No Solution Moving to Node #0,1,1 Current State: 28:[2, 34], Operations: ['71-60=11', '45-11=34'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,28 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[2, 34], Operations: ['71-45=26', '60-26=34'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,28 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,28 unequal: No Solution Moving to Node #0,1,0 Current State: 28:[11, 43], Operations: ['71-60=11', '45-2=43'] Exploring Operation: 11+43=54, Resulting Numbers: [54] 54,28 unequal: No Solution Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,28 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 93, 41, 60, 81 ]
31
[ "93-41=52", "81-60=21", "52-21=31" ]
Current State: 31:[93, 41, 60, 81], Operations: [] Exploring Operation: 93-41=52, Resulting Numbers: [60, 81, 52] Generated Node #2: [60, 81, 52] from Operation: 93-41=52 Current State: 31:[60, 81, 52], Operations: ['93-41=52'] Exploring Operation: 81-60=21, Resulting Numbers: [52, 21] Generated Node #3: [52, 21] from Operation: 81-60=21 Current State: 31:[52, 21], Operations: ['93-41=52', '81-60=21'] Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[93, 41, 60, 81], Operations: [] Exploring Operation: 93-60=33, Resulting Numbers: [41, 81, 33] Generated Node #0,0: 31:[41, 81, 33] Operation: 93-60=33 Exploring Operation: 93-81=12, Resulting Numbers: [41, 60, 12] Generated Node #0,1: 31:[41, 60, 12] Operation: 93-81=12 Exploring Operation: 81-60=21, Resulting Numbers: [93, 41, 21] Generated Node #0,2: 31:[93, 41, 21] Operation: 81-60=21 Moving to Node #0,1 Current State: 31:[41, 60, 12], Operations: ['93-81=12'] Exploring Operation: 60-41=19, Resulting Numbers: [12, 19] Generated Node #0,1,0: 31:[12, 19] Operation: 60-41=19 Exploring Operation: 60-12=48, Resulting Numbers: [41, 48] Generated Node #0,1,1: 31:[41, 48] Operation: 60-12=48 Exploring Operation: 41-12=29, Resulting Numbers: [60, 29] Generated Node #0,1,2: 31:[60, 29] Operation: 41-12=29 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 31:[41, 48], Operations: ['93-81=12', '60-12=48'] Exploring Operation: 41*48=1968, Resulting Numbers: [1968] 1968,31 unequal: No Solution Exploring Operation: 48-41=7, Resulting Numbers: [7] 7,31 unequal: No Solution Exploring Operation: 41+48=89, Resulting Numbers: [89] 89,31 unequal: No Solution No 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: 31:[12, 19], Operations: ['93-81=12', '60-41=19'] Exploring Operation: 12+19=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[93, 41, 60, 81], Operations: [] Exploring Operation: 93-81=12, Resulting Numbers: [41, 60, 12] Generated Node #0,1: 31:[41, 60, 12] Operation: 93-81=12 Moving to Node #0,1 Current State: 31:[41, 60, 12], Operations: ['93-81=12'] Exploring Operation: 60-41=19, Resulting Numbers: [12, 19] Generated Node #0,1,0: 31:[12, 19] Operation: 60-41=19 Moving to Node #0,1,0 Current State: 31:[12, 19], Operations: ['93-81=12', '60-41=19'] Exploring Operation: 12+19=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 48, 93, 38, 34 ]
49
[ "93-48=45", "38-34=4", "45+4=49" ]
Current State: 49:[48, 93, 38, 34], Operations: [] Exploring Operation: 93-48=45, Resulting Numbers: [38, 34, 45] Generated Node #2: [38, 34, 45] from Operation: 93-48=45 Current State: 49:[38, 34, 45], Operations: ['93-48=45'] Exploring Operation: 38-34=4, Resulting Numbers: [45, 4] Generated Node #3: [45, 4] from Operation: 38-34=4 Current State: 49:[45, 4], Operations: ['93-48=45', '38-34=4'] Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[48, 93, 38, 34], Operations: [] Exploring Operation: 38-34=4, Resulting Numbers: [48, 93, 4] Generated Node #0,0: 49:[48, 93, 4] Operation: 38-34=4 Exploring Operation: 93-38=55, Resulting Numbers: [48, 34, 55] Generated Node #0,1: 49:[48, 34, 55] Operation: 93-38=55 Exploring Operation: 93-34=59, Resulting Numbers: [48, 38, 59] Generated Node #0,2: 49:[48, 38, 59] Operation: 93-34=59 Exploring Operation: 48-38=10, Resulting Numbers: [93, 34, 10] Generated Node #0,3: 49:[93, 34, 10] Operation: 48-38=10 Exploring Operation: 93-48=45, Resulting Numbers: [38, 34, 45] Generated Node #0,4: 49:[38, 34, 45] Operation: 93-48=45 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[48, 34, 55], Operations: ['93-38=55'] Exploring Operation: 48-34=14, Resulting Numbers: [55, 14] Generated Node #0,1,0: 49:[55, 14] Operation: 48-34=14 Exploring Operation: 55-34=21, Resulting Numbers: [48, 21] Generated Node #0,1,1: 49:[48, 21] Operation: 55-34=21 Exploring Operation: 48+34=82, Resulting Numbers: [55, 82] Generated Node #0,1,2: 49:[55, 82] Operation: 48+34=82 Exploring Operation: 34+55=89, Resulting Numbers: [48, 89] Generated Node #0,1,3: 49:[48, 89] Operation: 34+55=89 Exploring Operation: 55-48=7, Resulting Numbers: [34, 7] Generated Node #0,1,4: 49:[34, 7] Operation: 55-48=7 Moving to Node #0,1,0 Current State: 49:[55, 14], Operations: ['93-38=55', '48-34=14'] Exploring Operation: 55*14=770, Resulting Numbers: [770] 770,49 unequal: No Solution Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 55+14=69, Resulting Numbers: [69] 69,49 unequal: No Solution Moving to Node #0,1,4 Current State: 49:[34, 7], Operations: ['93-38=55', '55-48=7'] Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 34*7=238, Resulting Numbers: [238] 238,49 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[48, 21], Operations: ['93-38=55', '55-34=21'] Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 48*21=1008, Resulting Numbers: [1008] 1008,49 unequal: No Solution Exploring Operation: 48+21=69, Resulting Numbers: [69] 69,49 unequal: No Solution Moving to Node #0,1,2 Current State: 49:[55, 82], Operations: ['93-38=55', '48+34=82'] Exploring Operation: 55+82=137, Resulting Numbers: [137] 137,49 unequal: No Solution Exploring Operation: 82-55=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 55*82=4510, Resulting Numbers: [4510] 4510,49 unequal: No Solution Moving to Node #0,1,3 Current State: 49:[48, 89], Operations: ['93-38=55', '34+55=89'] Exploring Operation: 48+89=137, Resulting Numbers: [137] 137,49 unequal: No Solution Exploring Operation: 48*89=4272, Resulting Numbers: [4272] 4272,49 unequal: No Solution Exploring Operation: 89-48=41, Resulting Numbers: [41] 41,49 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 #0,2 Current State: 49:[48, 38, 59], Operations: ['93-34=59'] Exploring Operation: 48+38=86, Resulting Numbers: [59, 86] Generated Node #0,2,0: 49:[59, 86] Operation: 48+38=86 Exploring Operation: 48-38=10, Resulting Numbers: [59, 10] Generated Node #0,2,1: 49:[59, 10] Operation: 48-38=10 Exploring Operation: 59-48=11, Resulting Numbers: [38, 11] Generated Node #0,2,2: 49:[38, 11] Operation: 59-48=11 Exploring Operation: 38+59=97, Resulting Numbers: [48, 97] Generated Node #0,2,3: 49:[48, 97] Operation: 38+59=97 Exploring Operation: 59-38=21, Resulting Numbers: [48, 21] Generated Node #0,2,4: 49:[48, 21] Operation: 59-38=21 Moving to Node #0,2,1 Current State: 49:[59, 10], Operations: ['93-34=59', '48-38=10'] Exploring Operation: 59-10=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[48, 93, 38, 34], Operations: [] Exploring Operation: 93-34=59, Resulting Numbers: [48, 38, 59] Generated Node #0,2: 49:[48, 38, 59] Operation: 93-34=59 Moving to Node #0,2 Current State: 49:[48, 38, 59], Operations: ['93-34=59'] Exploring Operation: 48-38=10, Resulting Numbers: [59, 10] Generated Node #0,2,1: 49:[59, 10] Operation: 48-38=10 Moving to Node #0,2,1 Current State: 49:[59, 10], Operations: ['93-34=59', '48-38=10'] Exploring Operation: 59-10=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_5
mult_heuristic
[ 72, 31, 29, 79 ]
43
[ "31-29=2", "72/2=36", "79-36=43" ]
Current State: 43:[72, 31, 29, 79], Operations: [] Exploring Operation: 31-29=2, Resulting Numbers: [72, 79, 2] Generated Node #2: [72, 79, 2] from Operation: 31-29=2 Current State: 43:[72, 79, 2], Operations: ['31-29=2'] Exploring Operation: 72/2=36, Resulting Numbers: [79, 36] Generated Node #3: [79, 36] from Operation: 72/2=36 Current State: 43:[79, 36], Operations: ['31-29=2', '72/2=36'] Exploring Operation: 79-36=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[72, 31, 29, 79], Operations: [] Exploring Operation: 72-29=43, Resulting Numbers: [31, 79, 43] Generated Node #0,0: 43:[31, 79, 43] Operation: 72-29=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[31, 79, 43], Operations: ['72-29=43'] Exploring Operation: 79-31=48, Resulting Numbers: [43, 48] Generated Node #0,0,0: 43:[43, 48] Operation: 79-31=48 Moving to Node #0,0,0 Current State: 43:[43, 48], Operations: ['72-29=43', '79-31=48'] Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 88, 1, 79, 51 ]
43
[ "88-1=87", "79+51=130", "130-87=43" ]
Current State: 43:[88, 1, 79, 51], Operations: [] Exploring Operation: 88-1=87, Resulting Numbers: [79, 51, 87] Generated Node #2: [79, 51, 87] from Operation: 88-1=87 Current State: 43:[79, 51, 87], Operations: ['88-1=87'] Exploring Operation: 79+51=130, Resulting Numbers: [87, 130] Generated Node #3: [87, 130] from Operation: 79+51=130 Current State: 43:[87, 130], Operations: ['88-1=87', '79+51=130'] Exploring Operation: 130-87=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[88, 1, 79, 51], Operations: [] Exploring Operation: 88-79=9, Resulting Numbers: [1, 51, 9] Generated Node #0,0: 43:[1, 51, 9] Operation: 88-79=9 Exploring Operation: 88-51=37, Resulting Numbers: [1, 79, 37] Generated Node #0,1: 43:[1, 79, 37] Operation: 88-51=37 Exploring Operation: 79-1=78, Resulting Numbers: [88, 51, 78] Generated Node #0,2: 43:[88, 51, 78] Operation: 79-1=78 Exploring Operation: 88-1=87, Resulting Numbers: [79, 51, 87] Generated Node #0,3: 43:[79, 51, 87] Operation: 88-1=87 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[1, 51, 9], Operations: ['88-79=9'] Exploring Operation: 51-1=50, Resulting Numbers: [9, 50] Generated Node #0,0,0: 43:[9, 50] Operation: 51-1=50 Exploring Operation: 1+9=10, Resulting Numbers: [51, 10] Generated Node #0,0,1: 43:[51, 10] Operation: 1+9=10 Exploring Operation: 51/1=51, Resulting Numbers: [9, 51] Generated Node #0,0,2: 43:[9, 51] Operation: 51/1=51 Exploring Operation: 1*51=51, Resulting Numbers: [9, 51] Generated Node #0,0,3: 43:[9, 51] Operation: 1*51=51 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[9, 50], Operations: ['88-79=9', '51-1=50'] Exploring Operation: 9+50=59, Resulting Numbers: [59] 59,43 unequal: No Solution Exploring Operation: 9*50=450, Resulting Numbers: [450] 450,43 unequal: No Solution Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[51, 10], Operations: ['88-79=9', '1+9=10'] Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,43 unequal: No Solution Exploring Operation: 51+10=61, Resulting Numbers: [61] 61,43 unequal: No Solution Exploring Operation: 51*10=510, Resulting Numbers: [510] 510,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[9, 51], Operations: ['88-79=9', '51/1=51'] Exploring Operation: 9+51=60, Resulting Numbers: [60] 60,43 unequal: No Solution Exploring Operation: 9*51=459, Resulting Numbers: [459] 459,43 unequal: No Solution Exploring Operation: 51-9=42, Resulting Numbers: [42] 42,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 43:[9, 51], Operations: ['88-79=9', '1*51=51'] Exploring Operation: 51-9=42, Resulting Numbers: [42] 42,43 unequal: No Solution Exploring Operation: 9*51=459, Resulting Numbers: [459] 459,43 unequal: No Solution Exploring Operation: 9+51=60, Resulting Numbers: [60] 60,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[1, 79, 37], Operations: ['88-51=37'] Exploring Operation: 1*79=79, Resulting Numbers: [37, 79] Generated Node #0,1,0: 43:[37, 79] Operation: 1*79=79 Exploring Operation: 79-1=78, Resulting Numbers: [37, 78] Generated Node #0,1,1: 43:[37, 78] Operation: 79-1=78 Exploring Operation: 1+37=38, Resulting Numbers: [79, 38] Generated Node #0,1,2: 43:[79, 38] Operation: 1+37=38 Exploring Operation: 79/1=79, Resulting Numbers: [37, 79] Generated Node #0,1,3: 43:[37, 79] Operation: 79/1=79 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[37, 78], Operations: ['88-51=37', '79-1=78'] Exploring Operation: 78-37=41, Resulting Numbers: [41] 41,43 unequal: No Solution Exploring Operation: 37*78=2886, Resulting Numbers: [2886] 2886,43 unequal: No Solution Exploring Operation: 37+78=115, Resulting Numbers: [115] 115,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 43:[79, 38], Operations: ['88-51=37', '1+37=38'] Exploring Operation: 79-38=41, Resulting Numbers: [41] 41,43 unequal: No Solution Exploring Operation: 79*38=3002, Resulting Numbers: [3002] 3002,43 unequal: No Solution Exploring Operation: 79+38=117, Resulting Numbers: [117] 117,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[37, 79], Operations: ['88-51=37', '1*79=79'] Exploring Operation: 37*79=2923, Resulting Numbers: [2923] 2923,43 unequal: No Solution Exploring Operation: 37+79=116, Resulting Numbers: [116] 116,43 unequal: No Solution Exploring Operation: 79-37=42, Resulting Numbers: [42] 42,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 43:[37, 79], Operations: ['88-51=37', '79/1=79'] Exploring Operation: 37+79=116, Resulting Numbers: [116] 116,43 unequal: No Solution Exploring Operation: 37*79=2923, Resulting Numbers: [2923] 2923,43 unequal: No Solution Exploring Operation: 79-37=42, Resulting Numbers: [42] 42,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[88, 51, 78], Operations: ['79-1=78'] Exploring Operation: 88-51=37, Resulting Numbers: [78, 37] Generated Node #0,2,0: 43:[78, 37] Operation: 88-51=37 Exploring Operation: 88+51=139, Resulting Numbers: [78, 139] Generated Node #0,2,1: 43:[78, 139] Operation: 88+51=139 Exploring Operation: 78-51=27, Resulting Numbers: [88, 27] Generated Node #0,2,2: 43:[88, 27] Operation: 78-51=27 Exploring Operation: 88-78=10, Resulting Numbers: [51, 10] Generated Node #0,2,3: 43:[51, 10] Operation: 88-78=10 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[78, 37], Operations: ['79-1=78', '88-51=37'] Exploring Operation: 78*37=2886, Resulting Numbers: [2886] 2886,43 unequal: No Solution Exploring Operation: 78+37=115, Resulting Numbers: [115] 115,43 unequal: No Solution Exploring Operation: 78-37=41, Resulting Numbers: [41] 41,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 43:[51, 10], Operations: ['79-1=78', '88-78=10'] Exploring Operation: 51+10=61, Resulting Numbers: [61] 61,43 unequal: No Solution Exploring Operation: 51*10=510, Resulting Numbers: [510] 510,43 unequal: No Solution Exploring Operation: 51-10=41, Resulting Numbers: [41] 41,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[88, 27], Operations: ['79-1=78', '78-51=27'] Exploring Operation: 88+27=115, Resulting Numbers: [115] 115,43 unequal: No Solution Exploring Operation: 88*27=2376, Resulting Numbers: [2376] 2376,43 unequal: No Solution Exploring Operation: 88-27=61, Resulting Numbers: [61] 61,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[78, 139], Operations: ['79-1=78', '88+51=139'] Exploring Operation: 78+139=217, Resulting Numbers: [217] 217,43 unequal: No Solution Exploring Operation: 139-78=61, Resulting Numbers: [61] 61,43 unequal: No Solution Exploring Operation: 78*139=10842, Resulting Numbers: [10842] 10842,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[79, 51, 87], Operations: ['88-1=87'] Exploring Operation: 87-79=8, Resulting Numbers: [51, 8] Generated Node #0,3,0: 43:[51, 8] Operation: 87-79=8 Exploring Operation: 87-51=36, Resulting Numbers: [79, 36] Generated Node #0,3,1: 43:[79, 36] Operation: 87-51=36 Exploring Operation: 79+51=130, Resulting Numbers: [87, 130] Generated Node #0,3,2: 43:[87, 130] Operation: 79+51=130 Exploring Operation: 79-51=28, Resulting Numbers: [87, 28] Generated Node #0,3,3: 43:[87, 28] Operation: 79-51=28 Moving to Node #0,3,0 Current State: 43:[51, 8], Operations: ['88-1=87', '87-79=8'] Exploring Operation: 51*8=408, Resulting Numbers: [408] 408,43 unequal: No Solution Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[88, 1, 79, 51], Operations: [] Exploring Operation: 88-1=87, Resulting Numbers: [79, 51, 87] Generated Node #0,3: 43:[79, 51, 87] Operation: 88-1=87 Moving to Node #0,3 Current State: 43:[79, 51, 87], Operations: ['88-1=87'] Exploring Operation: 87-79=8, Resulting Numbers: [51, 8] Generated Node #0,3,0: 43:[51, 8] Operation: 87-79=8 Moving to Node #0,3,0 Current State: 43:[51, 8], Operations: ['88-1=87', '87-79=8'] Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.946181
hs_4
mult_heuristic
[ 77, 58, 62, 93 ]
90
[ "77+58=135", "62*135=8370", "8370/93=90" ]
Current State: 90:[77, 58, 62, 93], Operations: [] Exploring Operation: 77+58=135, Resulting Numbers: [62, 93, 135] Generated Node #2: [62, 93, 135] from Operation: 77+58=135 Current State: 90:[62, 93, 135], Operations: ['77+58=135'] Exploring Operation: 62*135=8370, Resulting Numbers: [93, 8370] Generated Node #3: [93, 8370] from Operation: 62*135=8370 Current State: 90:[93, 8370], Operations: ['77+58=135', '62*135=8370'] Exploring Operation: 8370/93=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[77, 58, 62, 93], Operations: [] Exploring Operation: 77-58=19, Resulting Numbers: [62, 93, 19] Generated Node #0,0: 90:[62, 93, 19] Operation: 77-58=19 Exploring Operation: 77-62=15, Resulting Numbers: [58, 93, 15] Generated Node #0,1: 90:[58, 93, 15] Operation: 77-62=15 Exploring Operation: 62-58=4, Resulting Numbers: [77, 93, 4] Generated Node #0,2: 90:[77, 93, 4] Operation: 62-58=4 Moving to Node #0,1 Current State: 90:[58, 93, 15], Operations: ['77-62=15'] Exploring Operation: 58+15=73, Resulting Numbers: [93, 73] Generated Node #0,1,0: 90:[93, 73] Operation: 58+15=73 Exploring Operation: 58-15=43, Resulting Numbers: [93, 43] Generated Node #0,1,1: 90:[93, 43] Operation: 58-15=43 Exploring Operation: 93-58=35, Resulting Numbers: [15, 35] Generated Node #0,1,2: 90:[15, 35] Operation: 93-58=35 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 90:[93, 43], Operations: ['77-62=15', '58-15=43'] Exploring Operation: 93-43=50, Resulting Numbers: [50] 50,90 unequal: No Solution Exploring Operation: 93+43=136, Resulting Numbers: [136] 136,90 unequal: No Solution Exploring Operation: 93*43=3999, Resulting Numbers: [3999] 3999,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 90:[15, 35], Operations: ['77-62=15', '93-58=35'] Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 15+35=50, Resulting Numbers: [50] 50,90 unequal: No Solution Exploring Operation: 15*35=525, Resulting Numbers: [525] 525,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 90:[93, 73], Operations: ['77-62=15', '58+15=73'] Exploring Operation: 93-73=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 93*73=6789, Resulting Numbers: [6789] 6789,90 unequal: No Solution Exploring Operation: 93+73=166, Resulting Numbers: [166] 166,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 90:[77, 93, 4], Operations: ['62-58=4'] Exploring Operation: 93-4=89, Resulting Numbers: [77, 89] Generated Node #0,2,0: 90:[77, 89] Operation: 93-4=89 Exploring Operation: 93-77=16, Resulting Numbers: [4, 16] Generated Node #0,2,1: 90:[4, 16] Operation: 93-77=16 Exploring Operation: 77+4=81, Resulting Numbers: [93, 81] Generated Node #0,2,2: 90:[93, 81] Operation: 77+4=81 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 90:[4, 16], Operations: ['62-58=4', '93-77=16'] Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 90:[93, 81], Operations: ['62-58=4', '77+4=81'] Exploring Operation: 93+81=174, Resulting Numbers: [174] 174,90 unequal: No Solution Exploring Operation: 93-81=12, Resulting Numbers: [12] 12,90 unequal: No Solution Exploring Operation: 93*81=7533, Resulting Numbers: [7533] 7533,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 90:[77, 89], Operations: ['62-58=4', '93-4=89'] Exploring Operation: 77+89=166, Resulting Numbers: [166] 166,90 unequal: No Solution Exploring Operation: 77*89=6853, Resulting Numbers: [6853] 6853,90 unequal: No Solution Exploring Operation: 89-77=12, Resulting Numbers: [12] 12,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 90:[62, 93, 19], Operations: ['77-58=19'] Exploring Operation: 62+19=81, Resulting Numbers: [93, 81] Generated Node #0,0,0: 90:[93, 81] Operation: 62+19=81 Exploring Operation: 62-19=43, Resulting Numbers: [93, 43] Generated Node #0,0,1: 90:[93, 43] Operation: 62-19=43 Exploring Operation: 93-62=31, Resulting Numbers: [19, 31] Generated Node #0,0,2: 90:[19, 31] Operation: 93-62=31 Moving to Node #0,0,2 Current State: 90:[19, 31], Operations: ['77-58=19', '93-62=31'] Exploring Operation: 19*31=589, Resulting Numbers: [589] 589,90 unequal: No Solution Exploring Operation: 19+31=50, Resulting Numbers: [50] 50,90 unequal: No Solution Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[93, 43], Operations: ['77-58=19', '62-19=43'] Exploring Operation: 93*43=3999, Resulting Numbers: [3999] 3999,90 unequal: No Solution Exploring Operation: 93-43=50, Resulting Numbers: [50] 50,90 unequal: No Solution Exploring Operation: 93+43=136, Resulting Numbers: [136] 136,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[93, 81], Operations: ['77-58=19', '62+19=81'] Exploring Operation: 93-81=12, Resulting Numbers: [12] 12,90 unequal: No Solution Exploring Operation: 93*81=7533, Resulting Numbers: [7533] 7533,90 unequal: No Solution Exploring Operation: 93+81=174, Resulting Numbers: [174] 174,90 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 96, 20, 92, 48 ]
53
[ "96-92=4", "20/4=5", "48+5=53" ]
Current State: 53:[96, 20, 92, 48], Operations: [] Exploring Operation: 96-92=4, Resulting Numbers: [20, 48, 4] Generated Node #2: [20, 48, 4] from Operation: 96-92=4 Current State: 53:[20, 48, 4], Operations: ['96-92=4'] Exploring Operation: 20/4=5, Resulting Numbers: [48, 5] Generated Node #3: [48, 5] from Operation: 20/4=5 Current State: 53:[48, 5], Operations: ['96-92=4', '20/4=5'] Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[96, 20, 92, 48], Operations: [] Exploring Operation: 96-20=76, Resulting Numbers: [92, 48, 76] Generated Node #0,0: 53:[92, 48, 76] Operation: 96-20=76 Moving to Node #0,0 Current State: 53:[92, 48, 76], Operations: ['96-20=76'] Exploring Operation: 92-48=44, Resulting Numbers: [76, 44] Generated Node #0,0,0: 53:[76, 44] Operation: 92-48=44 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[76, 44], Operations: ['96-20=76', '92-48=44'] Exploring Operation: 76-44=32, Resulting Numbers: [32] 32,53 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
[ 69, 62, 21, 20 ]
60
[ "69-62=7", "21*20=420", "420/7=60" ]
Current State: 60:[69, 62, 21, 20], Operations: [] Exploring Operation: 69-62=7, Resulting Numbers: [21, 20, 7] Generated Node #2: [21, 20, 7] from Operation: 69-62=7 Current State: 60:[21, 20, 7], Operations: ['69-62=7'] Exploring Operation: 21*20=420, Resulting Numbers: [7, 420] Generated Node #3: [7, 420] from Operation: 21*20=420 Current State: 60:[7, 420], Operations: ['69-62=7', '21*20=420'] Exploring Operation: 420/7=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[69, 62, 21, 20], Operations: [] Exploring Operation: 21-20=1, Resulting Numbers: [69, 62, 1] Generated Node #0,0: 60:[69, 62, 1] Operation: 21-20=1 Exploring Operation: 69-62=7, Resulting Numbers: [21, 20, 7] Generated Node #0,1: 60:[21, 20, 7] Operation: 69-62=7 Exploring Operation: 69-21=48, Resulting Numbers: [62, 20, 48] Generated Node #0,2: 60:[62, 20, 48] Operation: 69-21=48 Moving to Node #0,1 Current State: 60:[21, 20, 7], Operations: ['69-62=7'] Exploring Operation: 21/7=3, Resulting Numbers: [20, 3] Generated Node #0,1,0: 60:[20, 3] Operation: 21/7=3 Exploring Operation: 21-20=1, Resulting Numbers: [7, 1] Generated Node #0,1,1: 60:[7, 1] Operation: 21-20=1 Exploring Operation: 21-7=14, Resulting Numbers: [20, 14] Generated Node #0,1,2: 60:[20, 14] Operation: 21-7=14 Moving to Node #0,0 Current State: 60:[69, 62, 1], Operations: ['21-20=1'] Exploring Operation: 62-1=61, Resulting Numbers: [69, 61] Generated Node #0,0,0: 60:[69, 61] Operation: 62-1=61 Exploring Operation: 69-1=68, Resulting Numbers: [62, 68] Generated Node #0,0,1: 60:[62, 68] Operation: 69-1=68 Exploring Operation: 69-62=7, Resulting Numbers: [1, 7] Generated Node #0,0,2: 60:[1, 7] Operation: 69-62=7 Moving to Node #0,2 Current State: 60:[62, 20, 48], Operations: ['69-21=48'] Exploring Operation: 62-48=14, Resulting Numbers: [20, 14] Generated Node #0,2,0: 60:[20, 14] Operation: 62-48=14 Exploring Operation: 48-20=28, Resulting Numbers: [62, 28] Generated Node #0,2,1: 60:[62, 28] Operation: 48-20=28 Exploring Operation: 20+48=68, Resulting Numbers: [62, 68] Generated Node #0,2,2: 60:[62, 68] Operation: 20+48=68 Moving to Node #0,1,0 Current State: 60:[20, 3], Operations: ['69-62=7', '21/7=3'] Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,60 unequal: No Solution Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[69, 62, 21, 20], Operations: [] Exploring Operation: 69-62=7, Resulting Numbers: [21, 20, 7] Generated Node #0,1: 60:[21, 20, 7] Operation: 69-62=7 Moving to Node #0,1 Current State: 60:[21, 20, 7], Operations: ['69-62=7'] Exploring Operation: 21/7=3, Resulting Numbers: [20, 3] Generated Node #0,1,0: 60:[20, 3] Operation: 21/7=3 Moving to Node #0,1,0 Current State: 60:[20, 3], Operations: ['69-62=7', '21/7=3'] Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
0.984375
hs_3
sum_heuristic
[ 37, 51, 28, 5 ]
47
[ "51-37=14", "28+5=33", "14+33=47" ]
Current State: 47:[37, 51, 28, 5], Operations: [] Exploring Operation: 51-37=14, Resulting Numbers: [28, 5, 14] Generated Node #2: [28, 5, 14] from Operation: 51-37=14 Current State: 47:[28, 5, 14], Operations: ['51-37=14'] Exploring Operation: 28+5=33, Resulting Numbers: [14, 33] Generated Node #3: [14, 33] from Operation: 28+5=33 Current State: 47:[14, 33], Operations: ['51-37=14', '28+5=33'] Exploring Operation: 14+33=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[37, 51, 28, 5], Operations: [] Exploring Operation: 37+5=42, Resulting Numbers: [51, 28, 42] Generated Node #0,0: 47:[51, 28, 42] Operation: 37+5=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[51, 28, 42], Operations: ['37+5=42'] Exploring Operation: 28+42=70, Resulting Numbers: [51, 70] Generated Node #0,0,0: 47:[51, 70] Operation: 28+42=70 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[51, 70], Operations: ['37+5=42', '28+42=70'] Exploring Operation: 70-51=19, Resulting Numbers: [19] 19,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 18, 44, 85, 37 ]
14
[ "18+44=62", "85-37=48", "62-48=14" ]
Current State: 14:[18, 44, 85, 37], Operations: [] Exploring Operation: 18+44=62, Resulting Numbers: [85, 37, 62] Generated Node #2: [85, 37, 62] from Operation: 18+44=62 Current State: 14:[85, 37, 62], Operations: ['18+44=62'] Exploring Operation: 85-37=48, Resulting Numbers: [62, 48] Generated Node #3: [62, 48] from Operation: 85-37=48 Current State: 14:[62, 48], Operations: ['18+44=62', '85-37=48'] Exploring Operation: 62-48=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[18, 44, 85, 37], Operations: [] Exploring Operation: 85-44=41, Resulting Numbers: [18, 37, 41] Generated Node #0,0: 14:[18, 37, 41] Operation: 85-44=41 Exploring Operation: 85-37=48, Resulting Numbers: [18, 44, 48] Generated Node #0,1: 14:[18, 44, 48] Operation: 85-37=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[18, 37, 41], Operations: ['85-44=41'] Exploring Operation: 41-37=4, Resulting Numbers: [18, 4] Generated Node #0,0,0: 14:[18, 4] Operation: 41-37=4 Exploring Operation: 37-18=19, Resulting Numbers: [41, 19] Generated Node #0,0,1: 14:[41, 19] Operation: 37-18=19 Moving to Node #0,0,0 Current State: 14:[18, 4], Operations: ['85-44=41', '41-37=4'] Exploring Operation: 18+4=22, Resulting Numbers: [22] 22,14 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[18, 44, 85, 37], Operations: [] Exploring Operation: 85-44=41, Resulting Numbers: [18, 37, 41] Generated Node #0,0: 14:[18, 37, 41] Operation: 85-44=41 Moving to Node #0,0 Current State: 14:[18, 37, 41], Operations: ['85-44=41'] Exploring Operation: 41-37=4, Resulting Numbers: [18, 4] Generated Node #0,0,0: 14:[18, 4] Operation: 41-37=4 Moving to Node #0,0,0 Current State: 14:[18, 4], Operations: ['85-44=41', '41-37=4'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 7, 72, 33, 94 ]
48
[ "7+72=79", "33+94=127", "127-79=48" ]
Current State: 48:[7, 72, 33, 94], Operations: [] Exploring Operation: 7+72=79, Resulting Numbers: [33, 94, 79] Generated Node #2: [33, 94, 79] from Operation: 7+72=79 Current State: 48:[33, 94, 79], Operations: ['7+72=79'] Exploring Operation: 33+94=127, Resulting Numbers: [79, 127] Generated Node #3: [79, 127] from Operation: 33+94=127 Current State: 48:[79, 127], Operations: ['7+72=79', '33+94=127'] Exploring Operation: 127-79=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[7, 72, 33, 94], Operations: [] Exploring Operation: 94-72=22, Resulting Numbers: [7, 33, 22] Generated Node #0,0: 48:[7, 33, 22] Operation: 94-72=22 Exploring Operation: 72-7=65, Resulting Numbers: [33, 94, 65] Generated Node #0,1: 48:[33, 94, 65] Operation: 72-7=65 Exploring Operation: 72-33=39, Resulting Numbers: [7, 94, 39] Generated Node #0,2: 48:[7, 94, 39] Operation: 72-33=39 Exploring Operation: 94-33=61, Resulting Numbers: [7, 72, 61] Generated Node #0,3: 48:[7, 72, 61] Operation: 94-33=61 Moving to Node #0,0 Current State: 48:[7, 33, 22], Operations: ['94-72=22'] Exploring Operation: 7+33=40, Resulting Numbers: [22, 40] Generated Node #0,0,0: 48:[22, 40] Operation: 7+33=40 Exploring Operation: 33-7=26, Resulting Numbers: [22, 26] Generated Node #0,0,1: 48:[22, 26] Operation: 33-7=26 Exploring Operation: 33-22=11, Resulting Numbers: [7, 11] Generated Node #0,0,2: 48:[7, 11] Operation: 33-22=11 Exploring Operation: 33+22=55, Resulting Numbers: [7, 55] Generated Node #0,0,3: 48:[7, 55] Operation: 33+22=55 Moving to Node #0,3 Current State: 48:[7, 72, 61], Operations: ['94-33=61'] Exploring Operation: 72-7=65, Resulting Numbers: [61, 65] Generated Node #0,3,0: 48:[61, 65] Operation: 72-7=65 Exploring Operation: 61-7=54, Resulting Numbers: [72, 54] Generated Node #0,3,1: 48:[72, 54] Operation: 61-7=54 Exploring Operation: 7+72=79, Resulting Numbers: [61, 79] Generated Node #0,3,2: 48:[61, 79] Operation: 7+72=79 Exploring Operation: 72-61=11, Resulting Numbers: [7, 11] Generated Node #0,3,3: 48:[7, 11] Operation: 72-61=11 Moving to Node #0,2 Current State: 48:[7, 94, 39], Operations: ['72-33=39'] Exploring Operation: 94-7=87, Resulting Numbers: [39, 87] Generated Node #0,2,0: 48:[39, 87] Operation: 94-7=87 Exploring Operation: 39-7=32, Resulting Numbers: [94, 32] Generated Node #0,2,1: 48:[94, 32] Operation: 39-7=32 Exploring Operation: 94-39=55, Resulting Numbers: [7, 55] Generated Node #0,2,2: 48:[7, 55] Operation: 94-39=55 Exploring Operation: 7+39=46, Resulting Numbers: [94, 46] Generated Node #0,2,3: 48:[94, 46] Operation: 7+39=46 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 48:[7, 55], Operations: ['72-33=39', '94-39=55'] Exploring Operation: 55-7=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[7, 72, 33, 94], Operations: [] Exploring Operation: 72-33=39, Resulting Numbers: [7, 94, 39] Generated Node #0,2: 48:[7, 94, 39] Operation: 72-33=39 Moving to Node #0,2 Current State: 48:[7, 94, 39], Operations: ['72-33=39'] Exploring Operation: 94-39=55, Resulting Numbers: [7, 55] Generated Node #0,2,2: 48:[7, 55] Operation: 94-39=55 Moving to Node #0,2,2 Current State: 48:[7, 55], Operations: ['72-33=39', '94-39=55'] Exploring Operation: 55-7=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 75, 86, 45, 50 ]
60
[ "86-50=36", "75*36=2700", "2700/45=60" ]
Current State: 60:[75, 86, 45, 50], Operations: [] Exploring Operation: 86-50=36, Resulting Numbers: [75, 45, 36] Generated Node #2: [75, 45, 36] from Operation: 86-50=36 Current State: 60:[75, 45, 36], Operations: ['86-50=36'] Exploring Operation: 75*36=2700, Resulting Numbers: [45, 2700] Generated Node #3: [45, 2700] from Operation: 75*36=2700 Current State: 60:[45, 2700], Operations: ['86-50=36', '75*36=2700'] Exploring Operation: 2700/45=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[75, 86, 45, 50], Operations: [] Exploring Operation: 86-75=11, Resulting Numbers: [45, 50, 11] Generated Node #0,0: 60:[45, 50, 11] Operation: 86-75=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[45, 50, 11], Operations: ['86-75=11'] Exploring Operation: 50-45=5, Resulting Numbers: [11, 5] Generated Node #0,0,0: 60:[11, 5] Operation: 50-45=5 Moving to Node #0,0,0 Current State: 60:[11, 5], Operations: ['86-75=11', '50-45=5'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,60 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
[ 41, 43, 11, 43 ]
41
[ "43-43=0", "11*0=0", "41+0=41" ]
Current State: 41:[41, 43, 11, 43], Operations: [] Exploring Operation: 43-43=0, Resulting Numbers: [41, 11, 0] Generated Node #2: [41, 11, 0] from Operation: 43-43=0 Current State: 41:[41, 11, 0], Operations: ['43-43=0'] Exploring Operation: 11*0=0, Resulting Numbers: [41, 0] Generated Node #3: [41, 0] from Operation: 11*0=0 Current State: 41:[41, 0], Operations: ['43-43=0', '11*0=0'] Exploring Operation: 41+0=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[41, 43, 11, 43], Operations: [] Exploring Operation: 41+11=52, Resulting Numbers: [43, 43, 52] Generated Node #0,0: 41:[43, 43, 52] Operation: 41+11=52 Exploring Operation: 43-11=32, Resulting Numbers: [41, 43, 32] Generated Node #0,1: 41:[41, 43, 32] Operation: 43-11=32 Exploring Operation: 43-11=32, Resulting Numbers: [41, 43, 32] Generated Node #0,2: 41:[41, 43, 32] Operation: 43-11=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[41, 43, 32], Operations: ['43-11=32'] Exploring Operation: 43-32=11, Resulting Numbers: [41, 11] Generated Node #0,1,0: 41:[41, 11] Operation: 43-32=11 Exploring Operation: 41+32=73, Resulting Numbers: [43, 73] Generated Node #0,1,1: 41:[43, 73] Operation: 41+32=73 Exploring Operation: 41-32=9, Resulting Numbers: [43, 9] Generated Node #0,1,2: 41:[43, 9] Operation: 41-32=9 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 41:[41, 11], Operations: ['43-11=32', '43-32=11'] Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,41 unequal: No Solution Exploring Operation: 41*11=451, Resulting Numbers: [451] 451,41 unequal: No Solution Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,41 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 #0,1,1 Current State: 41:[43, 73], Operations: ['43-11=32', '41+32=73'] Exploring Operation: 43*73=3139, Resulting Numbers: [3139] 3139,41 unequal: No Solution Exploring Operation: 73-43=30, Resulting Numbers: [30] 30,41 unequal: No Solution Exploring Operation: 43+73=116, Resulting Numbers: [116] 116,41 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 #0,1,2 Current State: 41:[43, 9], Operations: ['43-11=32', '41-32=9'] Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,41 unequal: No Solution Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,41 unequal: No Solution Exploring Operation: 43*9=387, Resulting Numbers: [387] 387,41 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 #0,2 Current State: 41:[41, 43, 32], Operations: ['43-11=32'] Exploring Operation: 41-32=9, Resulting Numbers: [43, 9] Generated Node #0,2,0: 41:[43, 9] Operation: 41-32=9 Exploring Operation: 41+32=73, Resulting Numbers: [43, 73] Generated Node #0,2,1: 41:[43, 73] Operation: 41+32=73 Exploring Operation: 43-32=11, Resulting Numbers: [41, 11] Generated Node #0,2,2: 41:[41, 11] Operation: 43-32=11 Moving to Node #0,2,2 Current State: 41:[41, 11], Operations: ['43-11=32', '43-32=11'] Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,41 unequal: No Solution Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,41 unequal: No Solution Exploring Operation: 41*11=451, Resulting Numbers: [451] 451,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[43, 9], Operations: ['43-11=32', '41-32=9'] Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,41 unequal: No Solution Exploring Operation: 43*9=387, Resulting Numbers: [387] 387,41 unequal: No Solution Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,41 unequal: No Solution Moving to Node #0,2,1 Current State: 41:[43, 73], Operations: ['43-11=32', '41+32=73'] Exploring Operation: 43+73=116, Resulting Numbers: [116] 116,41 unequal: No Solution Exploring Operation: 43*73=3139, Resulting Numbers: [3139] 3139,41 unequal: No Solution Exploring Operation: 73-43=30, Resulting Numbers: [30] 30,41 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 Current State: 41:[43, 43, 52], Operations: ['41+11=52'] Exploring Operation: 52-43=9, Resulting Numbers: [43, 9] Generated Node #0,0,0: 41:[43, 9] Operation: 52-43=9 Exploring Operation: 43/43=1, Resulting Numbers: [52, 1] Generated Node #0,0,1: 41:[52, 1] Operation: 43/43=1 Exploring Operation: 52-43=9, Resulting Numbers: [43, 9] Generated Node #0,0,2: 41:[43, 9] Operation: 52-43=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[43, 9], Operations: ['41+11=52', '52-43=9'] Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,41 unequal: No Solution Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,41 unequal: No Solution Exploring Operation: 43*9=387, Resulting Numbers: [387] 387,41 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:[43, 9], Operations: ['41+11=52', '52-43=9'] Exploring Operation: 43*9=387, Resulting Numbers: [387] 387,41 unequal: No Solution Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,41 unequal: No Solution Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,41 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:[52, 1], Operations: ['41+11=52', '43/43=1'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,41 unequal: No Solution Exploring Operation: 52*1=52, Resulting Numbers: [52] 52,41 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
[ 76, 48, 40, 19 ]
87
[ "76-48=28", "40+19=59", "28+59=87" ]
Current State: 87:[76, 48, 40, 19], Operations: [] Exploring Operation: 76-48=28, Resulting Numbers: [40, 19, 28] Generated Node #2: [40, 19, 28] from Operation: 76-48=28 Current State: 87:[40, 19, 28], Operations: ['76-48=28'] Exploring Operation: 40+19=59, Resulting Numbers: [28, 59] Generated Node #3: [28, 59] from Operation: 40+19=59 Current State: 87:[28, 59], Operations: ['76-48=28', '40+19=59'] Exploring Operation: 28+59=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[76, 48, 40, 19], Operations: [] Exploring Operation: 48+40=88, Resulting Numbers: [76, 19, 88] Generated Node #0,0: 87:[76, 19, 88] Operation: 48+40=88 Exploring Operation: 48-40=8, Resulting Numbers: [76, 19, 8] Generated Node #0,1: 87:[76, 19, 8] Operation: 48-40=8 Exploring Operation: 48-19=29, Resulting Numbers: [76, 40, 29] Generated Node #0,2: 87:[76, 40, 29] Operation: 48-19=29 Exploring Operation: 76-48=28, Resulting Numbers: [40, 19, 28] Generated Node #0,3: 87:[40, 19, 28] Operation: 76-48=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[76, 19, 88], Operations: ['48+40=88'] Exploring Operation: 76+19=95, Resulting Numbers: [88, 95] Generated Node #0,0,0: 87:[88, 95] Operation: 76+19=95 Exploring Operation: 76/19=4, Resulting Numbers: [88, 4] Generated Node #0,0,1: 87:[88, 4] Operation: 76/19=4 Exploring Operation: 76-19=57, Resulting Numbers: [88, 57] Generated Node #0,0,2: 87:[88, 57] Operation: 76-19=57 Exploring Operation: 88-76=12, Resulting Numbers: [19, 12] Generated Node #0,0,3: 87:[19, 12] Operation: 88-76=12 Moving to Node #0,0,1 Current State: 87:[88, 4], Operations: ['48+40=88', '76/19=4'] Exploring Operation: 88/4=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 88+4=92, Resulting Numbers: [92] 92,87 unequal: No Solution Exploring Operation: 88-4=84, Resulting Numbers: [84] 84,87 unequal: No Solution Exploring Operation: 88*4=352, Resulting Numbers: [352] 352,87 unequal: No Solution Moving to Node #0,0,0 Current State: 87:[88, 95], Operations: ['48+40=88', '76+19=95'] Exploring Operation: 95-88=7, Resulting Numbers: [7] 7,87 unequal: No Solution Exploring Operation: 88+95=183, Resulting Numbers: [183] 183,87 unequal: No Solution Exploring Operation: 88*95=8360, Resulting Numbers: [8360] 8360,87 unequal: No Solution Moving to Node #0,0,3 Current State: 87:[19, 12], Operations: ['48+40=88', '88-76=12'] Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,87 unequal: No Solution Exploring Operation: 19*12=228, Resulting Numbers: [228] 228,87 unequal: No Solution Exploring Operation: 19+12=31, Resulting Numbers: [31] 31,87 unequal: No Solution Moving to Node #0,0,2 Current State: 87:[88, 57], Operations: ['48+40=88', '76-19=57'] Exploring Operation: 88*57=5016, Resulting Numbers: [5016] 5016,87 unequal: No Solution Exploring Operation: 88-57=31, Resulting Numbers: [31] 31,87 unequal: No Solution Exploring Operation: 88+57=145, Resulting Numbers: [145] 145,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 87:[76, 40, 29], Operations: ['48-19=29'] Exploring Operation: 76+40=116, Resulting Numbers: [29, 116] Generated Node #0,2,0: 87:[29, 116] Operation: 76+40=116 Exploring Operation: 76-40=36, Resulting Numbers: [29, 36] Generated Node #0,2,1: 87:[29, 36] Operation: 76-40=36 Exploring Operation: 76+29=105, Resulting Numbers: [40, 105] Generated Node #0,2,2: 87:[40, 105] Operation: 76+29=105 Exploring Operation: 40-29=11, Resulting Numbers: [76, 11] Generated Node #0,2,3: 87:[76, 11] Operation: 40-29=11 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 87:[29, 36], Operations: ['48-19=29', '76-40=36'] Exploring Operation: 29+36=65, Resulting Numbers: [65] 65,87 unequal: No Solution Exploring Operation: 36-29=7, Resulting Numbers: [7] 7,87 unequal: No Solution Exploring Operation: 29*36=1044, Resulting Numbers: [1044] 1044,87 unequal: No Solution No 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: 87:[76, 11], Operations: ['48-19=29', '40-29=11'] Exploring Operation: 76*11=836, Resulting Numbers: [836] 836,87 unequal: No Solution Exploring Operation: 76+11=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[76, 48, 40, 19], Operations: [] Exploring Operation: 48-19=29, Resulting Numbers: [76, 40, 29] Generated Node #0,2: 87:[76, 40, 29] Operation: 48-19=29 Moving to Node #0,2 Current State: 87:[76, 40, 29], Operations: ['48-19=29'] Exploring Operation: 40-29=11, Resulting Numbers: [76, 11] Generated Node #0,2,3: 87:[76, 11] Operation: 40-29=11 Moving to Node #0,2,3 Current State: 87:[76, 11], Operations: ['48-19=29', '40-29=11'] Exploring Operation: 76+11=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.970486
hs_4
sum_heuristic
[ 29, 29, 2, 94 ]
46
[ "29/29=1", "94/2=47", "47-1=46" ]
Current State: 46:[29, 29, 2, 94], Operations: [] Exploring Operation: 29/29=1, Resulting Numbers: [2, 94, 1] Generated Node #2: [2, 94, 1] from Operation: 29/29=1 Current State: 46:[2, 94, 1], Operations: ['29/29=1'] Exploring Operation: 94/2=47, Resulting Numbers: [1, 47] Generated Node #3: [1, 47] from Operation: 94/2=47 Current State: 46:[1, 47], Operations: ['29/29=1', '94/2=47'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[29, 29, 2, 94], Operations: [] Exploring Operation: 94-29=65, Resulting Numbers: [29, 2, 65] Generated Node #0,0: 46:[29, 2, 65] Operation: 94-29=65 Exploring Operation: 29/29=1, Resulting Numbers: [2, 94, 1] Generated Node #0,1: 46:[2, 94, 1] Operation: 29/29=1 Exploring Operation: 94-29=65, Resulting Numbers: [29, 2, 65] Generated Node #0,2: 46:[29, 2, 65] Operation: 94-29=65 Exploring Operation: 94/2=47, Resulting Numbers: [29, 29, 47] Generated Node #0,3: 46:[29, 29, 47] Operation: 94/2=47 Start Sub Search at level 1: Moving to Node #0,3 Current State: 46:[29, 29, 47], Operations: ['94/2=47'] Exploring Operation: 29-29=0, Resulting Numbers: [47, 0] Generated Node #0,3,0: 46:[47, 0] Operation: 29-29=0 Exploring Operation: 29/29=1, Resulting Numbers: [47, 1] Generated Node #0,3,1: 46:[47, 1] Operation: 29/29=1 Exploring Operation: 47-29=18, Resulting Numbers: [29, 18] Generated Node #0,3,2: 46:[29, 18] Operation: 47-29=18 Exploring Operation: 47-29=18, Resulting Numbers: [29, 18] Generated Node #0,3,3: 46:[29, 18] Operation: 47-29=18 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 46:[47, 1], Operations: ['94/2=47', '29/29=1'] Exploring Operation: 47+1=48, Resulting Numbers: [48] 48,46 unequal: No Solution Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[29, 29, 2, 94], Operations: [] Exploring Operation: 94/2=47, Resulting Numbers: [29, 29, 47] Generated Node #0,3: 46:[29, 29, 47] Operation: 94/2=47 Moving to Node #0,3 Current State: 46:[29, 29, 47], Operations: ['94/2=47'] Exploring Operation: 29/29=1, Resulting Numbers: [47, 1] Generated Node #0,3,1: 46:[47, 1] Operation: 29/29=1 Moving to Node #0,3,1 Current State: 46:[47, 1], Operations: ['94/2=47', '29/29=1'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 19, 23, 81, 3 ]
36
[ "19+23=42", "81-3=78", "78-42=36" ]
Current State: 36:[19, 23, 81, 3], Operations: [] Exploring Operation: 19+23=42, Resulting Numbers: [81, 3, 42] Generated Node #2: [81, 3, 42] from Operation: 19+23=42 Current State: 36:[81, 3, 42], Operations: ['19+23=42'] Exploring Operation: 81-3=78, Resulting Numbers: [42, 78] Generated Node #3: [42, 78] from Operation: 81-3=78 Current State: 36:[42, 78], Operations: ['19+23=42', '81-3=78'] Exploring Operation: 78-42=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[19, 23, 81, 3], Operations: [] Exploring Operation: 81-23=58, Resulting Numbers: [19, 3, 58] Generated Node #0,0: 36:[19, 3, 58] Operation: 81-23=58 Exploring Operation: 81-19=62, Resulting Numbers: [23, 3, 62] Generated Node #0,1: 36:[23, 3, 62] Operation: 81-19=62 Exploring Operation: 81/3=27, Resulting Numbers: [19, 23, 27] Generated Node #0,2: 36:[19, 23, 27] Operation: 81/3=27 Moving to Node #0,2 Current State: 36:[19, 23, 27], Operations: ['81/3=27'] Exploring Operation: 23-19=4, Resulting Numbers: [27, 4] Generated Node #0,2,0: 36:[27, 4] Operation: 23-19=4 Exploring Operation: 27-19=8, Resulting Numbers: [23, 8] Generated Node #0,2,1: 36:[23, 8] Operation: 27-19=8 Exploring Operation: 27-23=4, Resulting Numbers: [19, 4] Generated Node #0,2,2: 36:[19, 4] Operation: 27-23=4 Moving to Node #0,0 Current State: 36:[19, 3, 58], Operations: ['81-23=58'] Exploring Operation: 58-19=39, Resulting Numbers: [3, 39] Generated Node #0,0,0: 36:[3, 39] Operation: 58-19=39 Exploring Operation: 19-3=16, Resulting Numbers: [58, 16] Generated Node #0,0,1: 36:[58, 16] Operation: 19-3=16 Exploring Operation: 58-3=55, Resulting Numbers: [19, 55] Generated Node #0,0,2: 36:[19, 55] Operation: 58-3=55 Moving to Node #0,1 Current State: 36:[23, 3, 62], Operations: ['81-19=62'] Exploring Operation: 23-3=20, Resulting Numbers: [62, 20] Generated Node #0,1,0: 36:[62, 20] Operation: 23-3=20 Exploring Operation: 62-3=59, Resulting Numbers: [23, 59] Generated Node #0,1,1: 36:[23, 59] Operation: 62-3=59 Exploring Operation: 62-23=39, Resulting Numbers: [3, 39] Generated Node #0,1,2: 36:[3, 39] Operation: 62-23=39 Moving to Node #0,2,2 Current State: 36:[19, 4], Operations: ['81/3=27', '27-23=4'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,36 unequal: No Solution Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,36 unequal: No Solution Moving to Node #0,1,2 Current State: 36:[3, 39], Operations: ['81-19=62', '62-23=39'] Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,36 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,36 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[19, 23, 81, 3], Operations: [] Exploring Operation: 81-19=62, Resulting Numbers: [23, 3, 62] Generated Node #0,1: 36:[23, 3, 62] Operation: 81-19=62 Moving to Node #0,1 Current State: 36:[23, 3, 62], Operations: ['81-19=62'] Exploring Operation: 62-23=39, Resulting Numbers: [3, 39] Generated Node #0,1,2: 36:[3, 39] Operation: 62-23=39 Moving to Node #0,1,2 Current State: 36:[3, 39], Operations: ['81-19=62', '62-23=39'] Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.980903
hs_3
sum_heuristic
[ 17, 15, 6, 78 ]
70
[ "17-15=2", "78-6=72", "72-2=70" ]
Current State: 70:[17, 15, 6, 78], Operations: [] Exploring Operation: 17-15=2, Resulting Numbers: [6, 78, 2] Generated Node #2: [6, 78, 2] from Operation: 17-15=2 Current State: 70:[6, 78, 2], Operations: ['17-15=2'] Exploring Operation: 78-6=72, Resulting Numbers: [2, 72] Generated Node #3: [2, 72] from Operation: 78-6=72 Current State: 70:[2, 72], Operations: ['17-15=2', '78-6=72'] Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[17, 15, 6, 78], Operations: [] Exploring Operation: 78-6=72, Resulting Numbers: [17, 15, 72] Generated Node #0,0: 70:[17, 15, 72] Operation: 78-6=72 Exploring Operation: 78/6=13, Resulting Numbers: [17, 15, 13] Generated Node #0,1: 70:[17, 15, 13] Operation: 78/6=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[17, 15, 13], Operations: ['78/6=13'] Exploring Operation: 17-15=2, Resulting Numbers: [13, 2] Generated Node #0,1,0: 70:[13, 2] Operation: 17-15=2 Exploring Operation: 17-13=4, Resulting Numbers: [15, 4] Generated Node #0,1,1: 70:[15, 4] Operation: 17-13=4 Moving to Node #0,1,0 Current State: 70:[13, 2], Operations: ['78/6=13', '17-15=2'] Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,70 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[15, 4], Operations: ['78/6=13', '17-13=4'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,70 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[17, 15, 72], Operations: ['78-6=72'] Exploring Operation: 17-15=2, Resulting Numbers: [72, 2] Generated Node #0,0,0: 70:[72, 2] Operation: 17-15=2 Exploring Operation: 17+15=32, Resulting Numbers: [72, 32] Generated Node #0,0,1: 70:[72, 32] Operation: 17+15=32 Moving to Node #0,0,0 Current State: 70:[72, 2], Operations: ['78-6=72', '17-15=2'] Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[17, 15, 6, 78], Operations: [] Exploring Operation: 78-6=72, Resulting Numbers: [17, 15, 72] Generated Node #0,0: 70:[17, 15, 72] Operation: 78-6=72 Moving to Node #0,0 Current State: 70:[17, 15, 72], Operations: ['78-6=72'] Exploring Operation: 17-15=2, Resulting Numbers: [72, 2] Generated Node #0,0,0: 70:[72, 2] Operation: 17-15=2 Moving to Node #0,0,0 Current State: 70:[72, 2], Operations: ['78-6=72', '17-15=2'] Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 3, 36, 32, 66 ]
59
[ "3+36=39", "32+66=98", "98-39=59" ]
Current State: 59:[3, 36, 32, 66], Operations: [] Exploring Operation: 3+36=39, Resulting Numbers: [32, 66, 39] Generated Node #2: [32, 66, 39] from Operation: 3+36=39 Current State: 59:[32, 66, 39], Operations: ['3+36=39'] Exploring Operation: 32+66=98, Resulting Numbers: [39, 98] Generated Node #3: [39, 98] from Operation: 32+66=98 Current State: 59:[39, 98], Operations: ['3+36=39', '32+66=98'] Exploring Operation: 98-39=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[3, 36, 32, 66], Operations: [] Exploring Operation: 36-3=33, Resulting Numbers: [32, 66, 33] Generated Node #0,0: 59:[32, 66, 33] Operation: 36-3=33 Exploring Operation: 3+36=39, Resulting Numbers: [32, 66, 39] Generated Node #0,1: 59:[32, 66, 39] Operation: 3+36=39 Exploring Operation: 66-3=63, Resulting Numbers: [36, 32, 63] Generated Node #0,2: 59:[36, 32, 63] Operation: 66-3=63 Exploring Operation: 32-3=29, Resulting Numbers: [36, 66, 29] Generated Node #0,3: 59:[36, 66, 29] Operation: 32-3=29 Exploring Operation: 3+32=35, Resulting Numbers: [36, 66, 35] Generated Node #0,4: 59:[36, 66, 35] Operation: 3+32=35 Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[32, 66, 39], Operations: ['3+36=39'] Exploring Operation: 39-32=7, Resulting Numbers: [66, 7] Generated Node #0,1,0: 59:[66, 7] Operation: 39-32=7 Exploring Operation: 32+39=71, Resulting Numbers: [66, 71] Generated Node #0,1,1: 59:[66, 71] Operation: 32+39=71 Exploring Operation: 66-39=27, Resulting Numbers: [32, 27] Generated Node #0,1,2: 59:[32, 27] Operation: 66-39=27 Exploring Operation: 32+66=98, Resulting Numbers: [39, 98] Generated Node #0,1,3: 59:[39, 98] Operation: 32+66=98 Exploring Operation: 66-32=34, Resulting Numbers: [39, 34] Generated Node #0,1,4: 59:[39, 34] Operation: 66-32=34 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 59:[66, 71], Operations: ['3+36=39', '32+39=71'] Exploring Operation: 66*71=4686, Resulting Numbers: [4686] 4686,59 unequal: No Solution Exploring Operation: 71-66=5, Resulting Numbers: [5] 5,59 unequal: No Solution Exploring Operation: 66+71=137, Resulting Numbers: [137] 137,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 59:[39, 34], Operations: ['3+36=39', '66-32=34'] Exploring Operation: 39+34=73, Resulting Numbers: [73] 73,59 unequal: No Solution Exploring Operation: 39-34=5, Resulting Numbers: [5] 5,59 unequal: No Solution Exploring Operation: 39*34=1326, Resulting Numbers: [1326] 1326,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 59:[66, 7], Operations: ['3+36=39', '39-32=7'] Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[3, 36, 32, 66], Operations: [] Exploring Operation: 3+36=39, Resulting Numbers: [32, 66, 39] Generated Node #0,1: 59:[32, 66, 39] Operation: 3+36=39 Moving to Node #0,1 Current State: 59:[32, 66, 39], Operations: ['3+36=39'] Exploring Operation: 39-32=7, Resulting Numbers: [66, 7] Generated Node #0,1,0: 59:[66, 7] Operation: 39-32=7 Moving to Node #0,1,0 Current State: 59:[66, 7], Operations: ['3+36=39', '39-32=7'] Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 71, 69, 7, 73 ]
31
[ "73-71=2", "69-7=62", "62/2=31" ]
Current State: 31:[71, 69, 7, 73], Operations: [] Exploring Operation: 73-71=2, Resulting Numbers: [69, 7, 2] Generated Node #2: [69, 7, 2] from Operation: 73-71=2 Current State: 31:[69, 7, 2], Operations: ['73-71=2'] Exploring Operation: 69-7=62, Resulting Numbers: [2, 62] Generated Node #3: [2, 62] from Operation: 69-7=62 Current State: 31:[2, 62], Operations: ['73-71=2', '69-7=62'] Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[71, 69, 7, 73], Operations: [] Exploring Operation: 73-69=4, Resulting Numbers: [71, 7, 4] Generated Node #0,0: 31:[71, 7, 4] Operation: 73-69=4 Exploring Operation: 69-7=62, Resulting Numbers: [71, 73, 62] Generated Node #0,1: 31:[71, 73, 62] Operation: 69-7=62 Exploring Operation: 71-69=2, Resulting Numbers: [7, 73, 2] Generated Node #0,2: 31:[7, 73, 2] Operation: 71-69=2 Exploring Operation: 73-71=2, Resulting Numbers: [69, 7, 2] Generated Node #0,3: 31:[69, 7, 2] Operation: 73-71=2 Exploring Operation: 71-7=64, Resulting Numbers: [69, 73, 64] Generated Node #0,4: 31:[69, 73, 64] Operation: 71-7=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[71, 7, 4], Operations: ['73-69=4'] Exploring Operation: 71-7=64, Resulting Numbers: [4, 64] Generated Node #0,0,0: 31:[4, 64] Operation: 71-7=64 Exploring Operation: 71+4=75, Resulting Numbers: [7, 75] Generated Node #0,0,1: 31:[7, 75] Operation: 71+4=75 Exploring Operation: 71-4=67, Resulting Numbers: [7, 67] Generated Node #0,0,2: 31:[7, 67] Operation: 71-4=67 Exploring Operation: 7*4=28, Resulting Numbers: [71, 28] Generated Node #0,0,3: 31:[71, 28] Operation: 7*4=28 Exploring Operation: 7+4=11, Resulting Numbers: [71, 11] Generated Node #0,0,4: 31:[71, 11] Operation: 7+4=11 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 31:[71, 28], Operations: ['73-69=4', '7*4=28'] Exploring Operation: 71*28=1988, Resulting Numbers: [1988] 1988,31 unequal: No Solution Exploring Operation: 71-28=43, Resulting Numbers: [43] 43,31 unequal: No Solution Exploring Operation: 71+28=99, Resulting Numbers: [99] 99,31 unequal: No Solution No 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: 31:[4, 64], Operations: ['73-69=4', '71-7=64'] Exploring Operation: 4+64=68, Resulting Numbers: [68] 68,31 unequal: No Solution Exploring Operation: 4*64=256, Resulting Numbers: [256] 256,31 unequal: No Solution Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,31 unequal: No Solution No 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: 31:[7, 67], Operations: ['73-69=4', '71-4=67'] Exploring Operation: 7+67=74, Resulting Numbers: [74] 74,31 unequal: No Solution Exploring Operation: 67-7=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 7*67=469, Resulting Numbers: [469] 469,31 unequal: No Solution No 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: 31:[71, 11], Operations: ['73-69=4', '7+4=11'] Exploring Operation: 71*11=781, Resulting Numbers: [781] 781,31 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 71+11=82, Resulting Numbers: [82] 82,31 unequal: No Solution No 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: 31:[7, 75], Operations: ['73-69=4', '71+4=75'] Exploring Operation: 7+75=82, Resulting Numbers: [82] 82,31 unequal: No Solution Exploring Operation: 7*75=525, Resulting Numbers: [525] 525,31 unequal: No Solution Exploring Operation: 75-7=68, Resulting Numbers: [68] 68,31 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: 31:[69, 7, 2], Operations: ['73-71=2'] Exploring Operation: 69+2=71, Resulting Numbers: [7, 71] Generated Node #0,3,0: 31:[7, 71] Operation: 69+2=71 Exploring Operation: 69-7=62, Resulting Numbers: [2, 62] Generated Node #0,3,1: 31:[2, 62] Operation: 69-7=62 Exploring Operation: 7+2=9, Resulting Numbers: [69, 9] Generated Node #0,3,2: 31:[69, 9] Operation: 7+2=9 Exploring Operation: 69-2=67, Resulting Numbers: [7, 67] Generated Node #0,3,3: 31:[7, 67] Operation: 69-2=67 Exploring Operation: 7*2=14, Resulting Numbers: [69, 14] Generated Node #0,3,4: 31:[69, 14] Operation: 7*2=14 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 31:[69, 14], Operations: ['73-71=2', '7*2=14'] Exploring Operation: 69+14=83, Resulting Numbers: [83] 83,31 unequal: No Solution Exploring Operation: 69-14=55, Resulting Numbers: [55] 55,31 unequal: No Solution Exploring Operation: 69*14=966, Resulting Numbers: [966] 966,31 unequal: No Solution No 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: 31:[2, 62], Operations: ['73-71=2', '69-7=62'] Exploring Operation: 2*62=124, Resulting Numbers: [124] 124,31 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 2+62=64, Resulting Numbers: [64] 64,31 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[71, 69, 7, 73], Operations: [] Exploring Operation: 73-71=2, Resulting Numbers: [69, 7, 2] Generated Node #0,3: 31:[69, 7, 2] Operation: 73-71=2 Moving to Node #0,3 Current State: 31:[69, 7, 2], Operations: ['73-71=2'] Exploring Operation: 69-7=62, Resulting Numbers: [2, 62] Generated Node #0,3,1: 31:[2, 62] Operation: 69-7=62 Moving to Node #0,3,1 Current State: 31:[2, 62], Operations: ['73-71=2', '69-7=62'] Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.963542
hs_5
mult_heuristic
[ 20, 85, 60, 17 ]
75
[ "20+60=80", "85/17=5", "80-5=75" ]
Current State: 75:[20, 85, 60, 17], Operations: [] Exploring Operation: 20+60=80, Resulting Numbers: [85, 17, 80] Generated Node #2: [85, 17, 80] from Operation: 20+60=80 Current State: 75:[85, 17, 80], Operations: ['20+60=80'] Exploring Operation: 85/17=5, Resulting Numbers: [80, 5] Generated Node #3: [80, 5] from Operation: 85/17=5 Current State: 75:[80, 5], Operations: ['20+60=80', '85/17=5'] Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[20, 85, 60, 17], Operations: [] Exploring Operation: 85-60=25, Resulting Numbers: [20, 17, 25] Generated Node #0,0: 75:[20, 17, 25] Operation: 85-60=25 Exploring Operation: 60/20=3, Resulting Numbers: [85, 17, 3] Generated Node #0,1: 75:[85, 17, 3] Operation: 60/20=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[20, 17, 25], Operations: ['85-60=25'] Exploring Operation: 20-17=3, Resulting Numbers: [25, 3] Generated Node #0,0,0: 75:[25, 3] Operation: 20-17=3 Exploring Operation: 25-20=5, Resulting Numbers: [17, 5] Generated Node #0,0,1: 75:[17, 5] Operation: 25-20=5 Moving to Node #0,0,0 Current State: 75:[25, 3], Operations: ['85-60=25', '20-17=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[20, 85, 60, 17], Operations: [] Exploring Operation: 85-60=25, Resulting Numbers: [20, 17, 25] Generated Node #0,0: 75:[20, 17, 25] Operation: 85-60=25 Moving to Node #0,0 Current State: 75:[20, 17, 25], Operations: ['85-60=25'] Exploring Operation: 20-17=3, Resulting Numbers: [25, 3] Generated Node #0,0,0: 75:[25, 3] Operation: 20-17=3 Moving to Node #0,0,0 Current State: 75:[25, 3], Operations: ['85-60=25', '20-17=3'] Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 10, 62, 80, 11 ]
92
[ "10*11=110", "80-62=18", "110-18=92" ]
Current State: 92:[10, 62, 80, 11], Operations: [] Exploring Operation: 10*11=110, Resulting Numbers: [62, 80, 110] Generated Node #2: [62, 80, 110] from Operation: 10*11=110 Current State: 92:[62, 80, 110], Operations: ['10*11=110'] Exploring Operation: 80-62=18, Resulting Numbers: [110, 18] Generated Node #3: [110, 18] from Operation: 80-62=18 Current State: 92:[110, 18], Operations: ['10*11=110', '80-62=18'] Exploring Operation: 110-18=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[10, 62, 80, 11], Operations: [] Exploring Operation: 80+11=91, Resulting Numbers: [10, 62, 91] Generated Node #0,0: 92:[10, 62, 91] Operation: 80+11=91 Exploring Operation: 62-11=51, Resulting Numbers: [10, 80, 51] Generated Node #0,1: 92:[10, 80, 51] Operation: 62-11=51 Exploring Operation: 62-10=52, Resulting Numbers: [80, 11, 52] Generated Node #0,2: 92:[80, 11, 52] Operation: 62-10=52 Exploring Operation: 80-62=18, Resulting Numbers: [10, 11, 18] Generated Node #0,3: 92:[10, 11, 18] Operation: 80-62=18 Moving to Node #0,3 Current State: 92:[10, 11, 18], Operations: ['80-62=18'] Exploring Operation: 18-11=7, Resulting Numbers: [10, 7] Generated Node #0,3,0: 92:[10, 7] Operation: 18-11=7 Exploring Operation: 11-10=1, Resulting Numbers: [18, 1] Generated Node #0,3,1: 92:[18, 1] Operation: 11-10=1 Exploring Operation: 10+11=21, Resulting Numbers: [18, 21] Generated Node #0,3,2: 92:[18, 21] Operation: 10+11=21 Exploring Operation: 18-10=8, Resulting Numbers: [11, 8] Generated Node #0,3,3: 92:[11, 8] Operation: 18-10=8 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 92:[18, 1], Operations: ['80-62=18', '11-10=1'] Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,92 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,92 unequal: No Solution Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 92:[18, 21], Operations: ['80-62=18', '10+11=21'] Exploring Operation: 18*21=378, Resulting Numbers: [378] 378,92 unequal: No Solution Exploring Operation: 18+21=39, Resulting Numbers: [39] 39,92 unequal: No Solution Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 92:[10, 7], Operations: ['80-62=18', '18-11=7'] Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,92 unequal: No Solution Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,92 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 92:[11, 8], Operations: ['80-62=18', '18-10=8'] Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,92 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 92:[10, 80, 51], Operations: ['62-11=51'] Exploring Operation: 80-51=29, Resulting Numbers: [10, 29] Generated Node #0,1,0: 92:[10, 29] Operation: 80-51=29 Exploring Operation: 80/10=8, Resulting Numbers: [51, 8] Generated Node #0,1,1: 92:[51, 8] Operation: 80/10=8 Exploring Operation: 10+80=90, Resulting Numbers: [51, 90] Generated Node #0,1,2: 92:[51, 90] Operation: 10+80=90 Exploring Operation: 51-10=41, Resulting Numbers: [80, 41] Generated Node #0,1,3: 92:[80, 41] Operation: 51-10=41 Moving to Node #0,0 Current State: 92:[10, 62, 91], Operations: ['80+11=91'] Exploring Operation: 62-10=52, Resulting Numbers: [91, 52] Generated Node #0,0,0: 92:[91, 52] Operation: 62-10=52 Exploring Operation: 10+91=101, Resulting Numbers: [62, 101] Generated Node #0,0,1: 92:[62, 101] Operation: 10+91=101 Exploring Operation: 91-62=29, Resulting Numbers: [10, 29] Generated Node #0,0,2: 92:[10, 29] Operation: 91-62=29 Exploring Operation: 10+62=72, Resulting Numbers: [91, 72] Generated Node #0,0,3: 92:[91, 72] Operation: 10+62=72 Moving to Node #0,2 Current State: 92:[80, 11, 52], Operations: ['62-10=52'] Exploring Operation: 80-11=69, Resulting Numbers: [52, 69] Generated Node #0,2,0: 92:[52, 69] Operation: 80-11=69 Exploring Operation: 80-52=28, Resulting Numbers: [11, 28] Generated Node #0,2,1: 92:[11, 28] Operation: 80-52=28 Exploring Operation: 52-11=41, Resulting Numbers: [80, 41] Generated Node #0,2,2: 92:[80, 41] Operation: 52-11=41 Exploring Operation: 80+11=91, Resulting Numbers: [52, 91] Generated Node #0,2,3: 92:[52, 91] Operation: 80+11=91 Moving to Node #0,1,2 Current State: 92:[51, 90], Operations: ['62-11=51', '10+80=90'] Exploring Operation: 51+90=141, Resulting Numbers: [141] 141,92 unequal: No Solution Exploring Operation: 51*90=4590, Resulting Numbers: [4590] 4590,92 unequal: No Solution Exploring Operation: 90-51=39, Resulting Numbers: [39] 39,92 unequal: No Solution Moving to Node #0,0,0 Current State: 92:[91, 52], Operations: ['80+11=91', '62-10=52'] Exploring Operation: 91+52=143, Resulting Numbers: [143] 143,92 unequal: No Solution Exploring Operation: 91*52=4732, Resulting Numbers: [4732] 4732,92 unequal: No Solution Exploring Operation: 91-52=39, Resulting Numbers: [39] 39,92 unequal: No Solution Moving to Node #0,2,3 Current State: 92:[52, 91], Operations: ['62-10=52', '80+11=91'] Exploring Operation: 52+91=143, Resulting Numbers: [143] 143,92 unequal: No Solution Exploring Operation: 91-52=39, Resulting Numbers: [39] 39,92 unequal: No Solution Exploring Operation: 52*91=4732, Resulting Numbers: [4732] 4732,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[51, 8], Operations: ['62-11=51', '80/10=8'] Exploring Operation: 51*8=408, Resulting Numbers: [408] 408,92 unequal: No Solution Exploring Operation: 51+8=59, Resulting Numbers: [59] 59,92 unequal: No Solution Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[10, 29], Operations: ['62-11=51', '80-51=29'] Exploring Operation: 10+29=39, Resulting Numbers: [39] 39,92 unequal: No Solution Exploring Operation: 10*29=290, Resulting Numbers: [290] 290,92 unequal: No Solution Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[10, 29], Operations: ['80+11=91', '91-62=29'] Exploring Operation: 10+29=39, Resulting Numbers: [39] 39,92 unequal: No Solution Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 10*29=290, Resulting Numbers: [290] 290,92 unequal: No Solution Moving to Node #0,2,1 Current State: 92:[11, 28], Operations: ['62-10=52', '80-52=28'] Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,92 unequal: No Solution Exploring Operation: 11*28=308, Resulting Numbers: [308] 308,92 unequal: No Solution Exploring Operation: 11+28=39, Resulting Numbers: [39] 39,92 unequal: No Solution Moving to Node #0,2,2 Current State: 92:[80, 41], Operations: ['62-10=52', '52-11=41'] Exploring Operation: 80+41=121, Resulting Numbers: [121] 121,92 unequal: No Solution Exploring Operation: 80-41=39, Resulting Numbers: [39] 39,92 unequal: No Solution Exploring Operation: 80*41=3280, Resulting Numbers: [3280] 3280,92 unequal: No Solution Moving to Node #0,1,3 Current State: 92:[80, 41], Operations: ['62-11=51', '51-10=41'] Exploring Operation: 80+41=121, Resulting Numbers: [121] 121,92 unequal: No Solution Exploring Operation: 80*41=3280, Resulting Numbers: [3280] 3280,92 unequal: No Solution Exploring Operation: 80-41=39, Resulting Numbers: [39] 39,92 unequal: No Solution Moving to Node #0,0,3 Current State: 92:[91, 72], Operations: ['80+11=91', '10+62=72'] Exploring Operation: 91+72=163, Resulting Numbers: [163] 163,92 unequal: No Solution Exploring Operation: 91*72=6552, Resulting Numbers: [6552] 6552,92 unequal: No Solution Exploring Operation: 91-72=19, Resulting Numbers: [19] 19,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[62, 101], Operations: ['80+11=91', '10+91=101'] Exploring Operation: 62*101=6262, Resulting Numbers: [6262] 6262,92 unequal: No Solution Exploring Operation: 62+101=163, Resulting Numbers: [163] 163,92 unequal: No Solution Exploring Operation: 101-62=39, Resulting Numbers: [39] 39,92 unequal: No Solution Moving to Node #0,2,0 Current State: 92:[52, 69], Operations: ['62-10=52', '80-11=69'] Exploring Operation: 69-52=17, Resulting Numbers: [17] 17,92 unequal: No Solution Exploring Operation: 52+69=121, Resulting Numbers: [121] 121,92 unequal: No Solution Exploring Operation: 52*69=3588, Resulting Numbers: [3588] 3588,92 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 22, 48, 28, 26 ]
35
[ "22+48=70", "28-26=2", "70/2=35" ]
Current State: 35:[22, 48, 28, 26], Operations: [] Exploring Operation: 22+48=70, Resulting Numbers: [28, 26, 70] Generated Node #2: [28, 26, 70] from Operation: 22+48=70 Current State: 35:[28, 26, 70], Operations: ['22+48=70'] Exploring Operation: 28-26=2, Resulting Numbers: [70, 2] Generated Node #3: [70, 2] from Operation: 28-26=2 Current State: 35:[70, 2], Operations: ['22+48=70', '28-26=2'] Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[22, 48, 28, 26], Operations: [] Exploring Operation: 26-22=4, Resulting Numbers: [48, 28, 4] Generated Node #0,0: 35:[48, 28, 4] Operation: 26-22=4 Exploring Operation: 48-22=26, Resulting Numbers: [28, 26, 26] Generated Node #0,1: 35:[28, 26, 26] Operation: 48-22=26 Exploring Operation: 28-22=6, Resulting Numbers: [48, 26, 6] Generated Node #0,2: 35:[48, 26, 6] Operation: 28-22=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[48, 28, 4], Operations: ['26-22=4'] Exploring Operation: 48-28=20, Resulting Numbers: [4, 20] Generated Node #0,0,0: 35:[4, 20] Operation: 48-28=20 Exploring Operation: 48/4=12, Resulting Numbers: [28, 12] Generated Node #0,0,1: 35:[28, 12] Operation: 48/4=12 Exploring Operation: 28/4=7, Resulting Numbers: [48, 7] Generated Node #0,0,2: 35:[48, 7] Operation: 28/4=7 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 35:[28, 12], Operations: ['26-22=4', '48/4=12'] Exploring Operation: 28+12=40, Resulting Numbers: [40] 40,35 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,35 unequal: No Solution Exploring Operation: 28*12=336, Resulting Numbers: [336] 336,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 35:[48, 7], Operations: ['26-22=4', '28/4=7'] Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,35 unequal: No Solution Exploring Operation: 48*7=336, Resulting Numbers: [336] 336,35 unequal: No Solution Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 35:[4, 20], Operations: ['26-22=4', '48-28=20'] Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,35 unequal: No Solution Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[48, 26, 6], Operations: ['28-22=6'] Exploring Operation: 48-6=42, Resulting Numbers: [26, 42] Generated Node #0,2,0: 35:[26, 42] Operation: 48-6=42 Exploring Operation: 48-26=22, Resulting Numbers: [6, 22] Generated Node #0,2,1: 35:[6, 22] Operation: 48-26=22 Exploring Operation: 48/6=8, Resulting Numbers: [26, 8] Generated Node #0,2,2: 35:[26, 8] Operation: 48/6=8 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 35:[26, 8], Operations: ['28-22=6', '48/6=8'] Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 26+8=34, Resulting Numbers: [34] 34,35 unequal: No Solution Exploring Operation: 26*8=208, Resulting Numbers: [208] 208,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 35:[6, 22], Operations: ['28-22=6', '48-26=22'] Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,35 unequal: No Solution Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,35 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 35:[26, 42], Operations: ['28-22=6', '48-6=42'] Exploring Operation: 26+42=68, Resulting Numbers: [68] 68,35 unequal: No Solution Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,35 unequal: No Solution Exploring Operation: 26*42=1092, Resulting Numbers: [1092] 1092,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[28, 26, 26], Operations: ['48-22=26'] Exploring Operation: 26/26=1, Resulting Numbers: [28, 1] Generated Node #0,1,0: 35:[28, 1] Operation: 26/26=1 Exploring Operation: 28-26=2, Resulting Numbers: [26, 2] Generated Node #0,1,1: 35:[26, 2] Operation: 28-26=2 Exploring Operation: 28-26=2, Resulting Numbers: [26, 2] Generated Node #0,1,2: 35:[26, 2] Operation: 28-26=2 Moving to Node #0,1,0 Current State: 35:[28, 1], Operations: ['48-22=26', '26/26=1'] Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,35 unequal: No Solution Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,35 unequal: No Solution Exploring Operation: 28+1=29, Resulting Numbers: [29] 29,35 unequal: No Solution Moving to Node #0,1,1 Current State: 35:[26, 2], Operations: ['48-22=26', '28-26=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,35 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[26, 2], Operations: ['48-22=26', '28-26=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,35 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,35 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 43, 38, 49, 49 ]
80
[ "43+38=81", "49/49=1", "81-1=80" ]
Current State: 80:[43, 38, 49, 49], Operations: [] Exploring Operation: 43+38=81, Resulting Numbers: [49, 49, 81] Generated Node #2: [49, 49, 81] from Operation: 43+38=81 Current State: 80:[49, 49, 81], Operations: ['43+38=81'] Exploring Operation: 49/49=1, Resulting Numbers: [81, 1] Generated Node #3: [81, 1] from Operation: 49/49=1 Current State: 80:[81, 1], Operations: ['43+38=81', '49/49=1'] Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[43, 38, 49, 49], Operations: [] Exploring Operation: 49/49=1, Resulting Numbers: [43, 38, 1] Generated Node #0,0: 80:[43, 38, 1] Operation: 49/49=1 Exploring Operation: 49-49=0, Resulting Numbers: [43, 38, 0] Generated Node #0,1: 80:[43, 38, 0] Operation: 49-49=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[43, 38, 1], Operations: ['49/49=1'] Exploring Operation: 43+38=81, Resulting Numbers: [1, 81] Generated Node #0,0,0: 80:[1, 81] Operation: 43+38=81 Exploring Operation: 43-38=5, Resulting Numbers: [1, 5] Generated Node #0,0,1: 80:[1, 5] Operation: 43-38=5 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 80:[1, 5], Operations: ['49/49=1', '43-38=5'] Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,80 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:[1, 81], Operations: ['49/49=1', '43+38=81'] Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[43, 38, 49, 49], Operations: [] Exploring Operation: 49/49=1, Resulting Numbers: [43, 38, 1] Generated Node #0,0: 80:[43, 38, 1] Operation: 49/49=1 Moving to Node #0,0 Current State: 80:[43, 38, 1], Operations: ['49/49=1'] Exploring Operation: 43+38=81, Resulting Numbers: [1, 81] Generated Node #0,0,0: 80:[1, 81] Operation: 43+38=81 Moving to Node #0,0,0 Current State: 80:[1, 81], Operations: ['49/49=1', '43+38=81'] 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
0.990451
hs_2
mult_heuristic
[ 52, 32, 58, 16 ]
22
[ "52-32=20", "58-16=42", "42-20=22" ]
Current State: 22:[52, 32, 58, 16], Operations: [] Exploring Operation: 52-32=20, Resulting Numbers: [58, 16, 20] Generated Node #2: [58, 16, 20] from Operation: 52-32=20 Current State: 22:[58, 16, 20], Operations: ['52-32=20'] Exploring Operation: 58-16=42, Resulting Numbers: [20, 42] Generated Node #3: [20, 42] from Operation: 58-16=42 Current State: 22:[20, 42], Operations: ['52-32=20', '58-16=42'] Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[52, 32, 58, 16], Operations: [] Exploring Operation: 58-32=26, Resulting Numbers: [52, 16, 26] Generated Node #0,0: 22:[52, 16, 26] Operation: 58-32=26 Exploring Operation: 58-52=6, Resulting Numbers: [32, 16, 6] Generated Node #0,1: 22:[32, 16, 6] Operation: 58-52=6 Exploring Operation: 52-32=20, Resulting Numbers: [58, 16, 20] Generated Node #0,2: 22:[58, 16, 20] Operation: 52-32=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[32, 16, 6], Operations: ['58-52=6'] Exploring Operation: 32/16=2, Resulting Numbers: [6, 2] Generated Node #0,1,0: 22:[6, 2] Operation: 32/16=2 Exploring Operation: 32-6=26, Resulting Numbers: [16, 26] Generated Node #0,1,1: 22:[16, 26] Operation: 32-6=26 Exploring Operation: 32-16=16, Resulting Numbers: [6, 16] Generated Node #0,1,2: 22:[6, 16] Operation: 32-16=16 Moving to Node #0,1,0 Current State: 22:[6, 2], Operations: ['58-52=6', '32/16=2'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,22 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[16, 26], Operations: ['58-52=6', '32-6=26'] Exploring Operation: 16*26=416, Resulting Numbers: [416] 416,22 unequal: No Solution Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 16+26=42, Resulting Numbers: [42] 42,22 unequal: No Solution Moving to Node #0,1,2 Current State: 22:[6, 16], Operations: ['58-52=6', '32-16=16'] Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,22 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[52, 32, 58, 16], Operations: [] Exploring Operation: 58-52=6, Resulting Numbers: [32, 16, 6] Generated Node #0,1: 22:[32, 16, 6] Operation: 58-52=6 Moving to Node #0,1 Current State: 22:[32, 16, 6], Operations: ['58-52=6'] Exploring Operation: 32-16=16, Resulting Numbers: [6, 16] Generated Node #0,1,2: 22:[6, 16] Operation: 32-16=16 Moving to Node #0,1,2 Current State: 22:[6, 16], Operations: ['58-52=6', '32-16=16'] Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 62, 57, 78, 10 ]
28
[ "62-57=5", "10*5=50", "78-50=28" ]
Current State: 28:[62, 57, 78, 10], Operations: [] Exploring Operation: 62-57=5, Resulting Numbers: [78, 10, 5] Generated Node #2: [78, 10, 5] from Operation: 62-57=5 Current State: 28:[78, 10, 5], Operations: ['62-57=5'] Exploring Operation: 10*5=50, Resulting Numbers: [78, 50] Generated Node #3: [78, 50] from Operation: 10*5=50 Current State: 28:[78, 50], Operations: ['62-57=5', '10*5=50'] Exploring Operation: 78-50=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[62, 57, 78, 10], Operations: [] Exploring Operation: 78-62=16, Resulting Numbers: [57, 10, 16] Generated Node #0,0: 28:[57, 10, 16] Operation: 78-62=16 Exploring Operation: 62-10=52, Resulting Numbers: [57, 78, 52] Generated Node #0,1: 28:[57, 78, 52] Operation: 62-10=52 Exploring Operation: 57-10=47, Resulting Numbers: [62, 78, 47] Generated Node #0,2: 28:[62, 78, 47] Operation: 57-10=47 Exploring Operation: 78-57=21, Resulting Numbers: [62, 10, 21] Generated Node #0,3: 28:[62, 10, 21] Operation: 78-57=21 Exploring Operation: 62-57=5, Resulting Numbers: [78, 10, 5] Generated Node #0,4: 28:[78, 10, 5] Operation: 62-57=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[57, 10, 16], Operations: ['78-62=16'] Exploring Operation: 16-10=6, Resulting Numbers: [57, 6] Generated Node #0,0,0: 28:[57, 6] Operation: 16-10=6 Exploring Operation: 57-16=41, Resulting Numbers: [10, 41] Generated Node #0,0,1: 28:[10, 41] Operation: 57-16=41 Exploring Operation: 10+16=26, Resulting Numbers: [57, 26] Generated Node #0,0,2: 28:[57, 26] Operation: 10+16=26 Exploring Operation: 57+10=67, Resulting Numbers: [16, 67] Generated Node #0,0,3: 28:[16, 67] Operation: 57+10=67 Exploring Operation: 57-10=47, Resulting Numbers: [16, 47] Generated Node #0,0,4: 28:[16, 47] Operation: 57-10=47 Moving to Node #0,0,1 Current State: 28:[10, 41], Operations: ['78-62=16', '57-16=41'] Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 10*41=410, Resulting Numbers: [410] 410,28 unequal: No Solution Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,28 unequal: No Solution Moving to Node #0,0,4 Current State: 28:[16, 47], Operations: ['78-62=16', '57-10=47'] Exploring Operation: 16+47=63, Resulting Numbers: [63] 63,28 unequal: No Solution Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 16*47=752, Resulting Numbers: [752] 752,28 unequal: No Solution Moving to Node #0,0,0 Current State: 28:[57, 6], Operations: ['78-62=16', '16-10=6'] Exploring Operation: 57+6=63, Resulting Numbers: [63] 63,28 unequal: No Solution Exploring Operation: 57*6=342, Resulting Numbers: [342] 342,28 unequal: No Solution Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,28 unequal: No Solution Moving to Node #0,0,2 Current State: 28:[57, 26], Operations: ['78-62=16', '10+16=26'] Exploring Operation: 57+26=83, Resulting Numbers: [83] 83,28 unequal: No Solution Exploring Operation: 57-26=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 57*26=1482, Resulting Numbers: [1482] 1482,28 unequal: No Solution Moving to Node #0,0,3 Current State: 28:[16, 67], Operations: ['78-62=16', '57+10=67'] Exploring Operation: 16+67=83, Resulting Numbers: [83] 83,28 unequal: No Solution Exploring Operation: 16*67=1072, Resulting Numbers: [1072] 1072,28 unequal: No Solution Exploring Operation: 67-16=51, Resulting Numbers: [51] 51,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 28:[62, 10, 21], Operations: ['78-57=21'] Exploring Operation: 62+10=72, Resulting Numbers: [21, 72] Generated Node #0,3,0: 28:[21, 72] Operation: 62+10=72 Exploring Operation: 62-10=52, Resulting Numbers: [21, 52] Generated Node #0,3,1: 28:[21, 52] Operation: 62-10=52 Exploring Operation: 21-10=11, Resulting Numbers: [62, 11] Generated Node #0,3,2: 28:[62, 11] Operation: 21-10=11 Exploring Operation: 62-21=41, Resulting Numbers: [10, 41] Generated Node #0,3,3: 28:[10, 41] Operation: 62-21=41 Exploring Operation: 10+21=31, Resulting Numbers: [62, 31] Generated Node #0,3,4: 28:[62, 31] Operation: 10+21=31 Moving to Node #0,3,3 Current State: 28:[10, 41], Operations: ['78-57=21', '62-21=41'] Exploring Operation: 10*41=410, Resulting Numbers: [410] 410,28 unequal: No Solution Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,28 unequal: No Solution Moving to Node #0,3,1 Current State: 28:[21, 52], Operations: ['78-57=21', '62-10=52'] Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 21*52=1092, Resulting Numbers: [1092] 1092,28 unequal: No Solution Exploring Operation: 21+52=73, Resulting Numbers: [73] 73,28 unequal: No Solution Moving to Node #0,3,2 Current State: 28:[62, 11], Operations: ['78-57=21', '21-10=11'] Exploring Operation: 62-11=51, Resulting Numbers: [51] 51,28 unequal: No Solution Exploring Operation: 62*11=682, Resulting Numbers: [682] 682,28 unequal: No Solution Exploring Operation: 62+11=73, Resulting Numbers: [73] 73,28 unequal: No Solution Moving to Node #0,3,4 Current State: 28:[62, 31], Operations: ['78-57=21', '10+21=31'] Exploring Operation: 62*31=1922, Resulting Numbers: [1922] 1922,28 unequal: No Solution Exploring Operation: 62/31=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 62+31=93, Resulting Numbers: [93] 93,28 unequal: No Solution Exploring Operation: 62-31=31, Resulting Numbers: [31] 31,28 unequal: No Solution Moving to Node #0,3,0 Current State: 28:[21, 72], Operations: ['78-57=21', '62+10=72'] Exploring Operation: 21+72=93, Resulting Numbers: [93] 93,28 unequal: No Solution Exploring Operation: 72-21=51, Resulting Numbers: [51] 51,28 unequal: No Solution Exploring Operation: 21*72=1512, Resulting Numbers: [1512] 1512,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 28:[78, 10, 5], Operations: ['62-57=5'] Exploring Operation: 78-5=73, Resulting Numbers: [10, 73] Generated Node #0,4,0: 28:[10, 73] Operation: 78-5=73 Exploring Operation: 78-10=68, Resulting Numbers: [5, 68] Generated Node #0,4,1: 28:[5, 68] Operation: 78-10=68 Exploring Operation: 10-5=5, Resulting Numbers: [78, 5] Generated Node #0,4,2: 28:[78, 5] Operation: 10-5=5 Exploring Operation: 10/5=2, Resulting Numbers: [78, 2] Generated Node #0,4,3: 28:[78, 2] Operation: 10/5=2 Exploring Operation: 10+5=15, Resulting Numbers: [78, 15] Generated Node #0,4,4: 28:[78, 15] Operation: 10+5=15 Moving to Node #0,4,1 Current State: 28:[5, 68], Operations: ['62-57=5', '78-10=68'] Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,28 unequal: No Solution Exploring Operation: 5+68=73, Resulting Numbers: [73] 73,28 unequal: No Solution Exploring Operation: 5*68=340, Resulting Numbers: [340] 340,28 unequal: No Solution Moving to Node #0,4,0 Current State: 28:[10, 73], Operations: ['62-57=5', '78-5=73'] Exploring Operation: 10+73=83, Resulting Numbers: [83] 83,28 unequal: No Solution Exploring Operation: 73-10=63, Resulting Numbers: [63] 63,28 unequal: No Solution Exploring Operation: 10*73=730, Resulting Numbers: [730] 730,28 unequal: No Solution Moving to Node #0,4,3 Current State: 28:[78, 2], Operations: ['62-57=5', '10/5=2'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,28 unequal: No Solution Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,28 unequal: No Solution Exploring Operation: 78+2=80, Resulting Numbers: [80] 80,28 unequal: No Solution Exploring Operation: 78*2=156, Resulting Numbers: [156] 156,28 unequal: No Solution Moving to Node #0,4,2 Current State: 28:[78, 5], Operations: ['62-57=5', '10-5=5'] Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,28 unequal: No Solution Exploring Operation: 78*5=390, Resulting Numbers: [390] 390,28 unequal: No Solution Exploring Operation: 78+5=83, Resulting Numbers: [83] 83,28 unequal: No Solution Moving to Node #0,4,4 Current State: 28:[78, 15], Operations: ['62-57=5', '10+5=15'] Exploring Operation: 78+15=93, Resulting Numbers: [93] 93,28 unequal: No Solution Exploring Operation: 78-15=63, Resulting Numbers: [63] 63,28 unequal: No Solution Exploring Operation: 78*15=1170, Resulting Numbers: [1170] 1170,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 28:[57, 78, 52], Operations: ['62-10=52'] Exploring Operation: 78-57=21, Resulting Numbers: [52, 21] Generated Node #0,1,0: 28:[52, 21] Operation: 78-57=21 Exploring Operation: 78-52=26, Resulting Numbers: [57, 26] Generated Node #0,1,1: 28:[57, 26] Operation: 78-52=26 Exploring Operation: 57+78=135, Resulting Numbers: [52, 135] Generated Node #0,1,2: 28:[52, 135] Operation: 57+78=135 Exploring Operation: 57-52=5, Resulting Numbers: [78, 5] Generated Node #0,1,3: 28:[78, 5] Operation: 57-52=5 Exploring Operation: 57+52=109, Resulting Numbers: [78, 109] Generated Node #0,1,4: 28:[78, 109] Operation: 57+52=109 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 28:[52, 21], Operations: ['62-10=52', '78-57=21'] Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 52+21=73, Resulting Numbers: [73] 73,28 unequal: No Solution Exploring Operation: 52*21=1092, Resulting Numbers: [1092] 1092,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 28:[57, 26], Operations: ['62-10=52', '78-52=26'] Exploring Operation: 57+26=83, Resulting Numbers: [83] 83,28 unequal: No Solution Exploring Operation: 57-26=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 57*26=1482, Resulting Numbers: [1482] 1482,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 28:[78, 5], Operations: ['62-10=52', '57-52=5'] Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,28 unequal: No Solution Exploring Operation: 78*5=390, Resulting Numbers: [390] 390,28 unequal: No Solution Exploring Operation: 78+5=83, Resulting Numbers: [83] 83,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 28:[52, 135], Operations: ['62-10=52', '57+78=135'] Exploring Operation: 52*135=7020, Resulting Numbers: [7020] 7020,28 unequal: No Solution Exploring Operation: 135-52=83, Resulting Numbers: [83] 83,28 unequal: No Solution Exploring Operation: 52+135=187, Resulting Numbers: [187] 187,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 28:[78, 109], Operations: ['62-10=52', '57+52=109'] Exploring Operation: 109-78=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 78+109=187, Resulting Numbers: [187] 187,28 unequal: No Solution Exploring Operation: 78*109=8502, Resulting Numbers: [8502] 8502,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[62, 78, 47], Operations: ['57-10=47'] Exploring Operation: 62+47=109, Resulting Numbers: [78, 109] Generated Node #0,2,0: 28:[78, 109] Operation: 62+47=109 Exploring Operation: 78-47=31, Resulting Numbers: [62, 31] Generated Node #0,2,1: 28:[62, 31] Operation: 78-47=31 Exploring Operation: 78-62=16, Resulting Numbers: [47, 16] Generated Node #0,2,2: 28:[47, 16] Operation: 78-62=16 Exploring Operation: 62+78=140, Resulting Numbers: [47, 140] Generated Node #0,2,3: 28:[47, 140] Operation: 62+78=140 Exploring Operation: 62-47=15, Resulting Numbers: [78, 15] Generated Node #0,2,4: 28:[78, 15] Operation: 62-47=15 Moving to Node #0,2,2 Current State: 28:[47, 16], Operations: ['57-10=47', '78-62=16'] Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 47*16=752, Resulting Numbers: [752] 752,28 unequal: No Solution Exploring Operation: 47+16=63, Resulting Numbers: [63] 63,28 unequal: No Solution Moving to Node #0,2,1 Current State: 28:[62, 31], Operations: ['57-10=47', '78-47=31'] Exploring Operation: 62+31=93, Resulting Numbers: [93] 93,28 unequal: No Solution Exploring Operation: 62/31=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 62-31=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 62*31=1922, Resulting Numbers: [1922] 1922,28 unequal: No Solution Moving to Node #0,2,4 Current State: 28:[78, 15], Operations: ['57-10=47', '62-47=15'] Exploring Operation: 78+15=93, Resulting Numbers: [93] 93,28 unequal: No Solution Exploring Operation: 78-15=63, Resulting Numbers: [63] 63,28 unequal: No Solution Exploring Operation: 78*15=1170, Resulting Numbers: [1170] 1170,28 unequal: No Solution Moving to Node #0,2,0 Current State: 28:[78, 109], Operations: ['57-10=47', '62+47=109'] Exploring Operation: 109-78=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 78+109=187, Resulting Numbers: [187] 187,28 unequal: No Solution Exploring Operation: 78*109=8502, Resulting Numbers: [8502] 8502,28 unequal: No Solution Moving to Node #0,2,3 Current State: 28:[47, 140], Operations: ['57-10=47', '62+78=140'] Exploring Operation: 47*140=6580, Resulting Numbers: [6580] 6580,28 unequal: No Solution Exploring Operation: 47+140=187, Resulting Numbers: [187] 187,28 unequal: No Solution Exploring Operation: 140-47=93, Resulting Numbers: [93] 93,28 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
[ 10, 37, 8, 26 ]
65
[ "10+37=47", "26-8=18", "47+18=65" ]
Current State: 65:[10, 37, 8, 26], Operations: [] Exploring Operation: 10+37=47, Resulting Numbers: [8, 26, 47] Generated Node #2: [8, 26, 47] from Operation: 10+37=47 Current State: 65:[8, 26, 47], Operations: ['10+37=47'] Exploring Operation: 26-8=18, Resulting Numbers: [47, 18] Generated Node #3: [47, 18] from Operation: 26-8=18 Current State: 65:[47, 18], Operations: ['10+37=47', '26-8=18'] Exploring Operation: 47+18=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[10, 37, 8, 26], Operations: [] Exploring Operation: 37+26=63, Resulting Numbers: [10, 8, 63] Generated Node #0,0: 65:[10, 8, 63] Operation: 37+26=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[10, 8, 63], Operations: ['37+26=63'] Exploring Operation: 10-8=2, Resulting Numbers: [63, 2] Generated Node #0,0,0: 65:[63, 2] Operation: 10-8=2 Moving to Node #0,0,0 Current State: 65:[63, 2], Operations: ['37+26=63', '10-8=2'] Exploring Operation: 63+2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[10, 37, 8, 26], Operations: [] Exploring Operation: 37+26=63, Resulting Numbers: [10, 8, 63] Generated Node #0,0: 65:[10, 8, 63] Operation: 37+26=63 Moving to Node #0,0 Current State: 65:[10, 8, 63], Operations: ['37+26=63'] Exploring Operation: 10-8=2, Resulting Numbers: [63, 2] Generated Node #0,0,0: 65:[63, 2] Operation: 10-8=2 Moving to Node #0,0,0 Current State: 65:[63, 2], Operations: ['37+26=63', '10-8=2'] Exploring Operation: 63+2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 64, 24, 87, 89 ]
66
[ "87+89=176", "24*176=4224", "4224/64=66" ]
Current State: 66:[64, 24, 87, 89], Operations: [] Exploring Operation: 87+89=176, Resulting Numbers: [64, 24, 176] Generated Node #2: [64, 24, 176] from Operation: 87+89=176 Current State: 66:[64, 24, 176], Operations: ['87+89=176'] Exploring Operation: 24*176=4224, Resulting Numbers: [64, 4224] Generated Node #3: [64, 4224] from Operation: 24*176=4224 Current State: 66:[64, 4224], Operations: ['87+89=176', '24*176=4224'] Exploring Operation: 4224/64=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[64, 24, 87, 89], Operations: [] Exploring Operation: 89-64=25, Resulting Numbers: [24, 87, 25] Generated Node #0,0: 66:[24, 87, 25] Operation: 89-64=25 Exploring Operation: 89-24=65, Resulting Numbers: [64, 87, 65] Generated Node #0,1: 66:[64, 87, 65] Operation: 89-24=65 Exploring Operation: 87-64=23, Resulting Numbers: [24, 89, 23] Generated Node #0,2: 66:[24, 89, 23] Operation: 87-64=23 Exploring Operation: 89-87=2, Resulting Numbers: [64, 24, 2] Generated Node #0,3: 66:[64, 24, 2] Operation: 89-87=2 Moving to Node #0,3 Current State: 66:[64, 24, 2], Operations: ['89-87=2'] Exploring Operation: 24-2=22, Resulting Numbers: [64, 22] Generated Node #0,3,0: 66:[64, 22] Operation: 24-2=22 Exploring Operation: 64+2=66, Resulting Numbers: [24, 66] Generated Node #0,3,1: 66:[24, 66] Operation: 64+2=66 Exploring Operation: 64/2=32, Resulting Numbers: [24, 32] Generated Node #0,3,2: 66:[24, 32] Operation: 64/2=32 Exploring Operation: 24/2=12, Resulting Numbers: [64, 12] Generated Node #0,3,3: 66:[64, 12] Operation: 24/2=12 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 66:[64, 22], Operations: ['89-87=2', '24-2=22'] Exploring Operation: 64*22=1408, Resulting Numbers: [1408] 1408,66 unequal: No Solution Exploring Operation: 64+22=86, Resulting Numbers: [86] 86,66 unequal: No Solution Exploring Operation: 64-22=42, Resulting Numbers: [42] 42,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 66:[24, 66], Operations: ['89-87=2', '64+2=66'] Exploring Operation: 24+66=90, Resulting Numbers: [90] 90,66 unequal: No Solution Exploring Operation: 24*66=1584, Resulting Numbers: [1584] 1584,66 unequal: No Solution Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 66:[24, 32], Operations: ['89-87=2', '64/2=32'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,66 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,66 unequal: No Solution Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 66:[64, 12], Operations: ['89-87=2', '24/2=12'] Exploring Operation: 64-12=52, Resulting Numbers: [52] 52,66 unequal: No Solution Exploring Operation: 64*12=768, Resulting Numbers: [768] 768,66 unequal: No Solution Exploring Operation: 64+12=76, Resulting Numbers: [76] 76,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 66:[64, 87, 65], Operations: ['89-24=65'] Exploring Operation: 65-64=1, Resulting Numbers: [87, 1] Generated Node #0,1,0: 66:[87, 1] Operation: 65-64=1 Exploring Operation: 64+65=129, Resulting Numbers: [87, 129] Generated Node #0,1,1: 66:[87, 129] Operation: 64+65=129 Exploring Operation: 87-65=22, Resulting Numbers: [64, 22] Generated Node #0,1,2: 66:[64, 22] Operation: 87-65=22 Exploring Operation: 87-64=23, Resulting Numbers: [65, 23] Generated Node #0,1,3: 66:[65, 23] Operation: 87-64=23 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 66:[64, 22], Operations: ['89-24=65', '87-65=22'] Exploring Operation: 64-22=42, Resulting Numbers: [42] 42,66 unequal: No Solution Exploring Operation: 64+22=86, Resulting Numbers: [86] 86,66 unequal: No Solution Exploring Operation: 64*22=1408, Resulting Numbers: [1408] 1408,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 66:[65, 23], Operations: ['89-24=65', '87-64=23'] Exploring Operation: 65-23=42, Resulting Numbers: [42] 42,66 unequal: No Solution Exploring Operation: 65+23=88, Resulting Numbers: [88] 88,66 unequal: No Solution Exploring Operation: 65*23=1495, Resulting Numbers: [1495] 1495,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 66:[87, 1], Operations: ['89-24=65', '65-64=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,66 unequal: No Solution Exploring Operation: 87+1=88, Resulting Numbers: [88] 88,66 unequal: No Solution Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,66 unequal: No Solution Exploring Operation: 87/1=87, Resulting Numbers: [87] 87,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 66:[87, 129], Operations: ['89-24=65', '64+65=129'] Exploring Operation: 87+129=216, Resulting Numbers: [216] 216,66 unequal: No Solution Exploring Operation: 129-87=42, Resulting Numbers: [42] 42,66 unequal: No Solution Exploring Operation: 87*129=11223, Resulting Numbers: [11223] 11223,66 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: 66:[24, 89, 23], Operations: ['87-64=23'] Exploring Operation: 89-24=65, Resulting Numbers: [23, 65] Generated Node #0,2,0: 66:[23, 65] Operation: 89-24=65 Exploring Operation: 89-23=66, Resulting Numbers: [24, 66] Generated Node #0,2,1: 66:[24, 66] Operation: 89-23=66 Exploring Operation: 24+23=47, Resulting Numbers: [89, 47] Generated Node #0,2,2: 66:[89, 47] Operation: 24+23=47 Exploring Operation: 24-23=1, Resulting Numbers: [89, 1] Generated Node #0,2,3: 66:[89, 1] Operation: 24-23=1 Moving to Node #0,0 Current State: 66:[24, 87, 25], Operations: ['89-64=25'] Exploring Operation: 24+25=49, Resulting Numbers: [87, 49] Generated Node #0,0,0: 66:[87, 49] Operation: 24+25=49 Exploring Operation: 87-24=63, Resulting Numbers: [25, 63] Generated Node #0,0,1: 66:[25, 63] Operation: 87-24=63 Exploring Operation: 87-25=62, Resulting Numbers: [24, 62] Generated Node #0,0,2: 66:[24, 62] Operation: 87-25=62 Exploring Operation: 25-24=1, Resulting Numbers: [87, 1] Generated Node #0,0,3: 66:[87, 1] Operation: 25-24=1 Moving to Node #0,2,0 Current State: 66:[23, 65], Operations: ['87-64=23', '89-24=65'] Exploring Operation: 65-23=42, Resulting Numbers: [42] 42,66 unequal: No Solution Exploring Operation: 23*65=1495, Resulting Numbers: [1495] 1495,66 unequal: No Solution Exploring Operation: 23+65=88, Resulting Numbers: [88] 88,66 unequal: No Solution Moving to Node #0,2,1 Current State: 66:[24, 66], Operations: ['87-64=23', '89-23=66'] Exploring Operation: 24*66=1584, Resulting Numbers: [1584] 1584,66 unequal: No Solution Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,66 unequal: No Solution Exploring Operation: 24+66=90, Resulting Numbers: [90] 90,66 unequal: No Solution Moving to Node #0,0,2 Current State: 66:[24, 62], Operations: ['89-64=25', '87-25=62'] Exploring Operation: 24*62=1488, Resulting Numbers: [1488] 1488,66 unequal: No Solution Exploring Operation: 24+62=86, Resulting Numbers: [86] 86,66 unequal: No Solution Exploring Operation: 62-24=38, Resulting Numbers: [38] 38,66 unequal: No Solution Moving to Node #0,0,1 Current State: 66:[25, 63], Operations: ['89-64=25', '87-24=63'] Exploring Operation: 25+63=88, Resulting Numbers: [88] 88,66 unequal: No Solution Exploring Operation: 25*63=1575, Resulting Numbers: [1575] 1575,66 unequal: No Solution Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,66 unequal: No Solution Moving to Node #0,0,3 Current State: 66:[87, 1], Operations: ['89-64=25', '25-24=1'] Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,66 unequal: No Solution Exploring Operation: 87/1=87, Resulting Numbers: [87] 87,66 unequal: No Solution Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,66 unequal: No Solution Exploring Operation: 87+1=88, Resulting Numbers: [88] 88,66 unequal: No Solution Moving to Node #0,2,3 Current State: 66:[89, 1], Operations: ['87-64=23', '24-23=1'] Exploring Operation: 89+1=90, Resulting Numbers: [90] 90,66 unequal: No Solution Exploring Operation: 89*1=89, Resulting Numbers: [89] 89,66 unequal: No Solution Exploring Operation: 89/1=89, Resulting Numbers: [89] 89,66 unequal: No Solution Exploring Operation: 89-1=88, Resulting Numbers: [88] 88,66 unequal: No Solution Moving to Node #0,2,2 Current State: 66:[89, 47], Operations: ['87-64=23', '24+23=47'] Exploring Operation: 89-47=42, Resulting Numbers: [42] 42,66 unequal: No Solution Exploring Operation: 89*47=4183, Resulting Numbers: [4183] 4183,66 unequal: No Solution Exploring Operation: 89+47=136, Resulting Numbers: [136] 136,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[87, 49], Operations: ['89-64=25', '24+25=49'] Exploring Operation: 87-49=38, Resulting Numbers: [38] 38,66 unequal: No Solution Exploring Operation: 87+49=136, Resulting Numbers: [136] 136,66 unequal: No Solution Exploring Operation: 87*49=4263, Resulting Numbers: [4263] 4263,66 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 44, 19, 41, 14 ]
36
[ "44+19=63", "41-14=27", "63-27=36" ]
Current State: 36:[44, 19, 41, 14], Operations: [] Exploring Operation: 44+19=63, Resulting Numbers: [41, 14, 63] Generated Node #2: [41, 14, 63] from Operation: 44+19=63 Current State: 36:[41, 14, 63], Operations: ['44+19=63'] Exploring Operation: 41-14=27, Resulting Numbers: [63, 27] Generated Node #3: [63, 27] from Operation: 41-14=27 Current State: 36:[63, 27], Operations: ['44+19=63', '41-14=27'] Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[44, 19, 41, 14], Operations: [] Exploring Operation: 44-19=25, Resulting Numbers: [41, 14, 25] Generated Node #0,0: 36:[41, 14, 25] Operation: 44-19=25 Exploring Operation: 44-14=30, Resulting Numbers: [19, 41, 30] Generated Node #0,1: 36:[19, 41, 30] Operation: 44-14=30 Exploring Operation: 44-41=3, Resulting Numbers: [19, 14, 3] Generated Node #0,2: 36:[19, 14, 3] Operation: 44-41=3 Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[19, 14, 3], Operations: ['44-41=3'] Exploring Operation: 19-14=5, Resulting Numbers: [3, 5] Generated Node #0,2,0: 36:[3, 5] Operation: 19-14=5 Exploring Operation: 14-3=11, Resulting Numbers: [19, 11] Generated Node #0,2,1: 36:[19, 11] Operation: 14-3=11 Exploring Operation: 14+3=17, Resulting Numbers: [19, 17] Generated Node #0,2,2: 36:[19, 17] Operation: 14+3=17 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 36:[3, 5], Operations: ['44-41=3', '19-14=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 36:[19, 11], Operations: ['44-41=3', '14-3=11'] Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,36 unequal: No Solution Exploring Operation: 19*11=209, Resulting Numbers: [209] 209,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 36:[19, 17], Operations: ['44-41=3', '14+3=17'] Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[44, 19, 41, 14], Operations: [] Exploring Operation: 44-41=3, Resulting Numbers: [19, 14, 3] Generated Node #0,2: 36:[19, 14, 3] Operation: 44-41=3 Moving to Node #0,2 Current State: 36:[19, 14, 3], Operations: ['44-41=3'] Exploring Operation: 14+3=17, Resulting Numbers: [19, 17] Generated Node #0,2,2: 36:[19, 17] Operation: 14+3=17 Moving to Node #0,2,2 Current State: 36:[19, 17], Operations: ['44-41=3', '14+3=17'] Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 13, 97, 98, 61 ]
48
[ "61-13=48", "98-97=1", "48*1=48" ]
Current State: 48:[13, 97, 98, 61], Operations: [] Exploring Operation: 61-13=48, Resulting Numbers: [97, 98, 48] Generated Node #2: [97, 98, 48] from Operation: 61-13=48 Current State: 48:[97, 98, 48], Operations: ['61-13=48'] Exploring Operation: 98-97=1, Resulting Numbers: [48, 1] Generated Node #3: [48, 1] from Operation: 98-97=1 Current State: 48:[48, 1], Operations: ['61-13=48', '98-97=1'] Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[13, 97, 98, 61], Operations: [] Exploring Operation: 98-61=37, Resulting Numbers: [13, 97, 37] Generated Node #0,0: 48:[13, 97, 37] Operation: 98-61=37 Exploring Operation: 97-61=36, Resulting Numbers: [13, 98, 36] Generated Node #0,1: 48:[13, 98, 36] Operation: 97-61=36 Exploring Operation: 98-97=1, Resulting Numbers: [13, 61, 1] Generated Node #0,2: 48:[13, 61, 1] Operation: 98-97=1 Moving to Node #0,2 Current State: 48:[13, 61, 1], Operations: ['98-97=1'] Exploring Operation: 61-13=48, Resulting Numbers: [1, 48] Generated Node #0,2,0: 48:[1, 48] Operation: 61-13=48 Exploring Operation: 13-1=12, Resulting Numbers: [61, 12] Generated Node #0,2,1: 48:[61, 12] Operation: 13-1=12 Exploring Operation: 61-1=60, Resulting Numbers: [13, 60] Generated Node #0,2,2: 48:[13, 60] Operation: 61-1=60 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 48:[1, 48], Operations: ['98-97=1', '61-13=48'] Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[13, 97, 98, 61], Operations: [] Exploring Operation: 98-97=1, Resulting Numbers: [13, 61, 1] Generated Node #0,2: 48:[13, 61, 1] Operation: 98-97=1 Moving to Node #0,2 Current State: 48:[13, 61, 1], Operations: ['98-97=1'] Exploring Operation: 61-13=48, Resulting Numbers: [1, 48] Generated Node #0,2,0: 48:[1, 48] Operation: 61-13=48 Moving to Node #0,2,0 Current State: 48:[1, 48], Operations: ['98-97=1', '61-13=48'] Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 4, 12, 58, 64 ]
71
[ "64-12=52", "52/4=13", "58+13=71" ]
Current State: 71:[4, 12, 58, 64], Operations: [] Exploring Operation: 64-12=52, Resulting Numbers: [4, 58, 52] Generated Node #2: [4, 58, 52] from Operation: 64-12=52 Current State: 71:[4, 58, 52], Operations: ['64-12=52'] Exploring Operation: 52/4=13, Resulting Numbers: [58, 13] Generated Node #3: [58, 13] from Operation: 52/4=13 Current State: 71:[58, 13], Operations: ['64-12=52', '52/4=13'] Exploring Operation: 58+13=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[4, 12, 58, 64], Operations: [] Exploring Operation: 4*12=48, Resulting Numbers: [58, 64, 48] Generated Node #0,0: 71:[58, 64, 48] Operation: 4*12=48 Exploring Operation: 4+12=16, Resulting Numbers: [58, 64, 16] Generated Node #0,1: 71:[58, 64, 16] Operation: 4+12=16 Moving to Node #0,0 Current State: 71:[58, 64, 48], Operations: ['4*12=48'] Exploring Operation: 64+48=112, Resulting Numbers: [58, 112] Generated Node #0,0,0: 71:[58, 112] Operation: 64+48=112 Exploring Operation: 58+48=106, Resulting Numbers: [64, 106] Generated Node #0,0,1: 71:[64, 106] Operation: 58+48=106 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[64, 106], Operations: ['4*12=48', '58+48=106'] Exploring Operation: 106-64=42, Resulting Numbers: [42] 42,71 unequal: No Solution Exploring Operation: 64+106=170, Resulting Numbers: [170] 170,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[58, 112], Operations: ['4*12=48', '64+48=112'] Exploring Operation: 58+112=170, Resulting Numbers: [170] 170,71 unequal: No Solution Exploring Operation: 112-58=54, Resulting Numbers: [54] 54,71 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: 71:[58, 64, 16], Operations: ['4+12=16'] Exploring Operation: 58+16=74, Resulting Numbers: [64, 74] Generated Node #0,1,0: 71:[64, 74] Operation: 58+16=74 Exploring Operation: 64+16=80, Resulting Numbers: [58, 80] Generated Node #0,1,1: 71:[58, 80] Operation: 64+16=80 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[64, 74], Operations: ['4+12=16', '58+16=74'] Exploring Operation: 64+74=138, Resulting Numbers: [138] 138,71 unequal: No Solution Exploring Operation: 74-64=10, Resulting Numbers: [10] 10,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[58, 80], Operations: ['4+12=16', '64+16=80'] Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,71 unequal: No Solution Exploring Operation: 58+80=138, Resulting Numbers: [138] 138,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 78, 88, 92, 31 ]
43
[ "78+88=166", "92+31=123", "166-123=43" ]
Current State: 43:[78, 88, 92, 31], Operations: [] Exploring Operation: 78+88=166, Resulting Numbers: [92, 31, 166] Generated Node #2: [92, 31, 166] from Operation: 78+88=166 Current State: 43:[92, 31, 166], Operations: ['78+88=166'] Exploring Operation: 92+31=123, Resulting Numbers: [166, 123] Generated Node #3: [166, 123] from Operation: 92+31=123 Current State: 43:[166, 123], Operations: ['78+88=166', '92+31=123'] Exploring Operation: 166-123=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[78, 88, 92, 31], Operations: [] Exploring Operation: 88-78=10, Resulting Numbers: [92, 31, 10] Generated Node #0,0: 43:[92, 31, 10] Operation: 88-78=10 Exploring Operation: 92-78=14, Resulting Numbers: [88, 31, 14] Generated Node #0,1: 43:[88, 31, 14] Operation: 92-78=14 Exploring Operation: 92-88=4, Resulting Numbers: [78, 31, 4] Generated Node #0,2: 43:[78, 31, 4] Operation: 92-88=4 Exploring Operation: 78-31=47, Resulting Numbers: [88, 92, 47] Generated Node #0,3: 43:[88, 92, 47] Operation: 78-31=47 Moving to Node #0,1 Current State: 43:[88, 31, 14], Operations: ['92-78=14'] Exploring Operation: 88+14=102, Resulting Numbers: [31, 102] Generated Node #0,1,0: 43:[31, 102] Operation: 88+14=102 Exploring Operation: 31+14=45, Resulting Numbers: [88, 45] Generated Node #0,1,1: 43:[88, 45] Operation: 31+14=45 Exploring Operation: 88-31=57, Resulting Numbers: [14, 57] Generated Node #0,1,2: 43:[14, 57] Operation: 88-31=57 Exploring Operation: 88-14=74, Resulting Numbers: [31, 74] Generated Node #0,1,3: 43:[31, 74] Operation: 88-14=74 Moving to Node #0,2 Current State: 43:[78, 31, 4], Operations: ['92-88=4'] Exploring Operation: 78-4=74, Resulting Numbers: [31, 74] Generated Node #0,2,0: 43:[31, 74] Operation: 78-4=74 Exploring Operation: 78+4=82, Resulting Numbers: [31, 82] Generated Node #0,2,1: 43:[31, 82] Operation: 78+4=82 Exploring Operation: 78-31=47, Resulting Numbers: [4, 47] Generated Node #0,2,2: 43:[4, 47] Operation: 78-31=47 Exploring Operation: 31+4=35, Resulting Numbers: [78, 35] Generated Node #0,2,3: 43:[78, 35] Operation: 31+4=35 Moving to Node #0,0 Current State: 43:[92, 31, 10], Operations: ['88-78=10'] Exploring Operation: 92-10=82, Resulting Numbers: [31, 82] Generated Node #0,0,0: 43:[31, 82] Operation: 92-10=82 Exploring Operation: 31+10=41, Resulting Numbers: [92, 41] Generated Node #0,0,1: 43:[92, 41] Operation: 31+10=41 Exploring Operation: 92+10=102, Resulting Numbers: [31, 102] Generated Node #0,0,2: 43:[31, 102] Operation: 92+10=102 Exploring Operation: 92-31=61, Resulting Numbers: [10, 61] Generated Node #0,0,3: 43:[10, 61] Operation: 92-31=61 Moving to Node #0,3 Current State: 43:[88, 92, 47], Operations: ['78-31=47'] Exploring Operation: 88-47=41, Resulting Numbers: [92, 41] Generated Node #0,3,0: 43:[92, 41] Operation: 88-47=41 Exploring Operation: 92-47=45, Resulting Numbers: [88, 45] Generated Node #0,3,1: 43:[88, 45] Operation: 92-47=45 Exploring Operation: 92-88=4, Resulting Numbers: [47, 4] Generated Node #0,3,2: 43:[47, 4] Operation: 92-88=4 Exploring Operation: 88+92=180, Resulting Numbers: [47, 180] Generated Node #0,3,3: 43:[47, 180] Operation: 88+92=180 Moving to Node #0,1,2 Current State: 43:[14, 57], Operations: ['92-78=14', '88-31=57'] Exploring Operation: 57-14=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[78, 88, 92, 31], Operations: [] Exploring Operation: 92-78=14, Resulting Numbers: [88, 31, 14] Generated Node #0,1: 43:[88, 31, 14] Operation: 92-78=14 Moving to Node #0,1 Current State: 43:[88, 31, 14], Operations: ['92-78=14'] Exploring Operation: 88-31=57, Resulting Numbers: [14, 57] Generated Node #0,1,2: 43:[14, 57] Operation: 88-31=57 Moving to Node #0,1,2 Current State: 43:[14, 57], Operations: ['92-78=14', '88-31=57'] Exploring Operation: 57-14=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
0.978299
hs_4
mult_heuristic
[ 47, 30, 68, 74 ]
23
[ "47-30=17", "74-68=6", "17+6=23" ]
Current State: 23:[47, 30, 68, 74], Operations: [] Exploring Operation: 47-30=17, Resulting Numbers: [68, 74, 17] Generated Node #2: [68, 74, 17] from Operation: 47-30=17 Current State: 23:[68, 74, 17], Operations: ['47-30=17'] Exploring Operation: 74-68=6, Resulting Numbers: [17, 6] Generated Node #3: [17, 6] from Operation: 74-68=6 Current State: 23:[17, 6], Operations: ['47-30=17', '74-68=6'] Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[47, 30, 68, 74], Operations: [] Exploring Operation: 68-47=21, Resulting Numbers: [30, 74, 21] Generated Node #0,0: 23:[30, 74, 21] Operation: 68-47=21 Exploring Operation: 74-68=6, Resulting Numbers: [47, 30, 6] Generated Node #0,1: 23:[47, 30, 6] Operation: 74-68=6 Exploring Operation: 74-47=27, Resulting Numbers: [30, 68, 27] Generated Node #0,2: 23:[30, 68, 27] Operation: 74-47=27 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[47, 30, 6], Operations: ['74-68=6'] Exploring Operation: 47-6=41, Resulting Numbers: [30, 41] Generated Node #0,1,0: 23:[30, 41] Operation: 47-6=41 Exploring Operation: 47-30=17, Resulting Numbers: [6, 17] Generated Node #0,1,1: 23:[6, 17] Operation: 47-30=17 Exploring Operation: 30-6=24, Resulting Numbers: [47, 24] Generated Node #0,1,2: 23:[47, 24] Operation: 30-6=24 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 23:[6, 17], Operations: ['74-68=6', '47-30=17'] Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[47, 30, 68, 74], Operations: [] Exploring Operation: 74-68=6, Resulting Numbers: [47, 30, 6] Generated Node #0,1: 23:[47, 30, 6] Operation: 74-68=6 Moving to Node #0,1 Current State: 23:[47, 30, 6], Operations: ['74-68=6'] Exploring Operation: 47-30=17, Resulting Numbers: [6, 17] Generated Node #0,1,1: 23:[6, 17] Operation: 47-30=17 Moving to Node #0,1,1 Current State: 23:[6, 17], Operations: ['74-68=6', '47-30=17'] Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 9, 16, 42, 60 ]
68
[ "16*42=672", "672-60=612", "612/9=68" ]
Current State: 68:[9, 16, 42, 60], Operations: [] Exploring Operation: 16*42=672, Resulting Numbers: [9, 60, 672] Generated Node #2: [9, 60, 672] from Operation: 16*42=672 Current State: 68:[9, 60, 672], Operations: ['16*42=672'] Exploring Operation: 672-60=612, Resulting Numbers: [9, 612] Generated Node #3: [9, 612] from Operation: 672-60=612 Current State: 68:[9, 612], Operations: ['16*42=672', '672-60=612'] Exploring Operation: 612/9=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[9, 16, 42, 60], Operations: [] Exploring Operation: 16-9=7, Resulting Numbers: [42, 60, 7] Generated Node #0,0: 68:[42, 60, 7] Operation: 16-9=7 Exploring Operation: 42-16=26, Resulting Numbers: [9, 60, 26] Generated Node #0,1: 68:[9, 60, 26] Operation: 42-16=26 Exploring Operation: 60-42=18, Resulting Numbers: [9, 16, 18] Generated Node #0,2: 68:[9, 16, 18] Operation: 60-42=18 Exploring Operation: 9+60=69, Resulting Numbers: [16, 42, 69] Generated Node #0,3: 68:[16, 42, 69] Operation: 9+60=69 Exploring Operation: 42-9=33, Resulting Numbers: [16, 60, 33] Generated Node #0,4: 68:[16, 60, 33] Operation: 42-9=33 Start Sub Search at level 1: Moving to Node #0,2 Current State: 68:[9, 16, 18], Operations: ['60-42=18'] Exploring Operation: 18-16=2, Resulting Numbers: [9, 2] Generated Node #0,2,0: 68:[9, 2] Operation: 18-16=2 Exploring Operation: 16-9=7, Resulting Numbers: [18, 7] Generated Node #0,2,1: 68:[18, 7] Operation: 16-9=7 Exploring Operation: 16+18=34, Resulting Numbers: [9, 34] Generated Node #0,2,2: 68:[9, 34] Operation: 16+18=34 Exploring Operation: 18/9=2, Resulting Numbers: [16, 2] Generated Node #0,2,3: 68:[16, 2] Operation: 18/9=2 Exploring Operation: 18-9=9, Resulting Numbers: [16, 9] Generated Node #0,2,4: 68:[16, 9] Operation: 18-9=9 Moving to Node #0,2,3 Current State: 68:[16, 2], Operations: ['60-42=18', '18/9=2'] Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,68 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,68 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,68 unequal: No Solution Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,68 unequal: No Solution Moving to Node #0,2,1 Current State: 68:[18, 7], Operations: ['60-42=18', '16-9=7'] Exploring Operation: 18*7=126, Resulting Numbers: [126] 126,68 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,68 unequal: No Solution Moving to Node #0,2,0 Current State: 68:[9, 2], Operations: ['60-42=18', '18-16=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,68 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,68 unequal: No Solution Moving to Node #0,2,2 Current State: 68:[9, 34], Operations: ['60-42=18', '16+18=34'] Exploring Operation: 9*34=306, Resulting Numbers: [306] 306,68 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 9+34=43, Resulting Numbers: [43] 43,68 unequal: No Solution Moving to Node #0,2,4 Current State: 68:[16, 9], Operations: ['60-42=18', '18-9=9'] Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 16*9=144, Resulting Numbers: [144] 144,68 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 68:[16, 42, 69], Operations: ['9+60=69'] Exploring Operation: 42-16=26, Resulting Numbers: [69, 26] Generated Node #0,3,0: 68:[69, 26] Operation: 42-16=26 Exploring Operation: 69-42=27, Resulting Numbers: [16, 27] Generated Node #0,3,1: 68:[16, 27] Operation: 69-42=27 Exploring Operation: 69-16=53, Resulting Numbers: [42, 53] Generated Node #0,3,2: 68:[42, 53] Operation: 69-16=53 Exploring Operation: 16+69=85, Resulting Numbers: [42, 85] Generated Node #0,3,3: 68:[42, 85] Operation: 16+69=85 Exploring Operation: 16+42=58, Resulting Numbers: [69, 58] Generated Node #0,3,4: 68:[69, 58] Operation: 16+42=58 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 68:[16, 27], Operations: ['9+60=69', '69-42=27'] Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,68 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,68 unequal: No Solution No 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: 68:[69, 26], Operations: ['9+60=69', '42-16=26'] Exploring Operation: 69*26=1794, Resulting Numbers: [1794] 1794,68 unequal: No Solution Exploring Operation: 69+26=95, Resulting Numbers: [95] 95,68 unequal: No Solution Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,68 unequal: No Solution No 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: 68:[69, 58], Operations: ['9+60=69', '16+42=58'] Exploring Operation: 69+58=127, Resulting Numbers: [127] 127,68 unequal: No Solution Exploring Operation: 69-58=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 69*58=4002, Resulting Numbers: [4002] 4002,68 unequal: No Solution No 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: 68:[42, 53], Operations: ['9+60=69', '69-16=53'] Exploring Operation: 42*53=2226, Resulting Numbers: [2226] 2226,68 unequal: No Solution Exploring Operation: 53-42=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 42+53=95, Resulting Numbers: [95] 95,68 unequal: No Solution No 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: 68:[42, 85], Operations: ['9+60=69', '16+69=85'] Exploring Operation: 85-42=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 42*85=3570, Resulting Numbers: [3570] 3570,68 unequal: No Solution Exploring Operation: 42+85=127, Resulting Numbers: [127] 127,68 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: 68:[16, 60, 33], Operations: ['42-9=33'] Exploring Operation: 60-33=27, Resulting Numbers: [16, 27] Generated Node #0,4,0: 68:[16, 27] Operation: 60-33=27 Exploring Operation: 16+33=49, Resulting Numbers: [60, 49] Generated Node #0,4,1: 68:[60, 49] Operation: 16+33=49 Exploring Operation: 60-16=44, Resulting Numbers: [33, 44] Generated Node #0,4,2: 68:[33, 44] Operation: 60-16=44 Exploring Operation: 33-16=17, Resulting Numbers: [60, 17] Generated Node #0,4,3: 68:[60, 17] Operation: 33-16=17 Exploring Operation: 16+60=76, Resulting Numbers: [33, 76] Generated Node #0,4,4: 68:[33, 76] Operation: 16+60=76 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 68:[16, 27], Operations: ['42-9=33', '60-33=27'] Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,68 unequal: No Solution Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,68 unequal: No Solution No 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: 68:[60, 17], Operations: ['42-9=33', '33-16=17'] Exploring Operation: 60*17=1020, Resulting Numbers: [1020] 1020,68 unequal: No Solution Exploring Operation: 60-17=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 60+17=77, Resulting Numbers: [77] 77,68 unequal: No Solution No 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: 68:[33, 76], Operations: ['42-9=33', '16+60=76'] Exploring Operation: 33+76=109, Resulting Numbers: [109] 109,68 unequal: No Solution Exploring Operation: 76-33=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 33*76=2508, Resulting Numbers: [2508] 2508,68 unequal: No Solution No 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: 68:[33, 44], Operations: ['42-9=33', '60-16=44'] Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 33+44=77, Resulting Numbers: [77] 77,68 unequal: No Solution Exploring Operation: 33*44=1452, Resulting Numbers: [1452] 1452,68 unequal: No Solution No 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: 68:[60, 49], Operations: ['42-9=33', '16+33=49'] Exploring Operation: 60+49=109, Resulting Numbers: [109] 109,68 unequal: No Solution Exploring Operation: 60*49=2940, Resulting Numbers: [2940] 2940,68 unequal: No Solution Exploring Operation: 60-49=11, Resulting Numbers: [11] 11,68 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: 68:[42, 60, 7], Operations: ['16-9=7'] Exploring Operation: 60-42=18, Resulting Numbers: [7, 18] Generated Node #0,0,0: 68:[7, 18] Operation: 60-42=18 Exploring Operation: 42/7=6, Resulting Numbers: [60, 6] Generated Node #0,0,1: 68:[60, 6] Operation: 42/7=6 Exploring Operation: 60+7=67, Resulting Numbers: [42, 67] Generated Node #0,0,2: 68:[42, 67] Operation: 60+7=67 Exploring Operation: 42+7=49, Resulting Numbers: [60, 49] Generated Node #0,0,3: 68:[60, 49] Operation: 42+7=49 Exploring Operation: 42-7=35, Resulting Numbers: [60, 35] Generated Node #0,0,4: 68:[60, 35] Operation: 42-7=35 Moving to Node #0,0,0 Current State: 68:[7, 18], Operations: ['16-9=7', '60-42=18'] Exploring Operation: 7*18=126, Resulting Numbers: [126] 126,68 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,68 unequal: No Solution Moving to Node #0,0,4 Current State: 68:[60, 35], Operations: ['16-9=7', '42-7=35'] Exploring Operation: 60*35=2100, Resulting Numbers: [2100] 2100,68 unequal: No Solution Exploring Operation: 60-35=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 60+35=95, Resulting Numbers: [95] 95,68 unequal: No Solution Moving to Node #0,0,2 Current State: 68:[42, 67], Operations: ['16-9=7', '60+7=67'] Exploring Operation: 67-42=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 42*67=2814, Resulting Numbers: [2814] 2814,68 unequal: No Solution Exploring Operation: 42+67=109, Resulting Numbers: [109] 109,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[60, 6], Operations: ['16-9=7', '42/7=6'] Exploring Operation: 60-6=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 60*6=360, Resulting Numbers: [360] 360,68 unequal: No Solution Exploring Operation: 60+6=66, Resulting Numbers: [66] 66,68 unequal: No Solution Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,68 unequal: No Solution Moving to Node #0,0,3 Current State: 68:[60, 49], Operations: ['16-9=7', '42+7=49'] Exploring Operation: 60-49=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 60*49=2940, Resulting Numbers: [2940] 2940,68 unequal: No Solution Exploring Operation: 60+49=109, Resulting Numbers: [109] 109,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[9, 60, 26], Operations: ['42-16=26'] Exploring Operation: 9+60=69, Resulting Numbers: [26, 69] Generated Node #0,1,0: 68:[26, 69] Operation: 9+60=69 Exploring Operation: 26-9=17, Resulting Numbers: [60, 17] Generated Node #0,1,1: 68:[60, 17] Operation: 26-9=17 Exploring Operation: 60+26=86, Resulting Numbers: [9, 86] Generated Node #0,1,2: 68:[9, 86] Operation: 60+26=86 Exploring Operation: 9+26=35, Resulting Numbers: [60, 35] Generated Node #0,1,3: 68:[60, 35] Operation: 9+26=35 Exploring Operation: 60-26=34, Resulting Numbers: [9, 34] Generated Node #0,1,4: 68:[9, 34] Operation: 60-26=34 Moving to Node #0,1,4 Current State: 68:[9, 34], Operations: ['42-16=26', '60-26=34'] Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 9*34=306, Resulting Numbers: [306] 306,68 unequal: No Solution Exploring Operation: 9+34=43, Resulting Numbers: [43] 43,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[60, 17], Operations: ['42-16=26', '26-9=17'] Exploring Operation: 60*17=1020, Resulting Numbers: [1020] 1020,68 unequal: No Solution Exploring Operation: 60-17=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 60+17=77, Resulting Numbers: [77] 77,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[26, 69], Operations: ['42-16=26', '9+60=69'] Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 26*69=1794, Resulting Numbers: [1794] 1794,68 unequal: No Solution Exploring Operation: 26+69=95, Resulting Numbers: [95] 95,68 unequal: No Solution Moving to Node #0,1,3 Current State: 68:[60, 35], Operations: ['42-16=26', '9+26=35'] Exploring Operation: 60+35=95, Resulting Numbers: [95] 95,68 unequal: No Solution Exploring Operation: 60-35=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 60*35=2100, Resulting Numbers: [2100] 2100,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[9, 86], Operations: ['42-16=26', '60+26=86'] Exploring Operation: 86-9=77, Resulting Numbers: [77] 77,68 unequal: No Solution Exploring Operation: 9*86=774, Resulting Numbers: [774] 774,68 unequal: No Solution Exploring Operation: 9+86=95, Resulting Numbers: [95] 95,68 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
[ 21, 9, 2, 98 ]
17
[ "21+98=119", "9-2=7", "119/7=17" ]
Current State: 17:[21, 9, 2, 98], Operations: [] Exploring Operation: 21+98=119, Resulting Numbers: [9, 2, 119] Generated Node #2: [9, 2, 119] from Operation: 21+98=119 Current State: 17:[9, 2, 119], Operations: ['21+98=119'] Exploring Operation: 9-2=7, Resulting Numbers: [119, 7] Generated Node #3: [119, 7] from Operation: 9-2=7 Current State: 17:[119, 7], Operations: ['21+98=119', '9-2=7'] Exploring Operation: 119/7=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[21, 9, 2, 98], Operations: [] Exploring Operation: 98-21=77, Resulting Numbers: [9, 2, 77] Generated Node #0,0: 17:[9, 2, 77] Operation: 98-21=77 Exploring Operation: 9*2=18, Resulting Numbers: [21, 98, 18] Generated Node #0,1: 17:[21, 98, 18] Operation: 9*2=18 Exploring Operation: 98/2=49, Resulting Numbers: [21, 9, 49] Generated Node #0,2: 17:[21, 9, 49] Operation: 98/2=49 Start Sub Search at level 1: Moving to Node #0,2 Current State: 17:[21, 9, 49], Operations: ['98/2=49'] Exploring Operation: 21-9=12, Resulting Numbers: [49, 12] Generated Node #0,2,0: 17:[49, 12] Operation: 21-9=12 Exploring Operation: 49-9=40, Resulting Numbers: [21, 40] Generated Node #0,2,1: 17:[21, 40] Operation: 49-9=40 Exploring Operation: 49-21=28, Resulting Numbers: [9, 28] Generated Node #0,2,2: 17:[9, 28] Operation: 49-21=28 Moving to Node #0,2,2 Current State: 17:[9, 28], Operations: ['98/2=49', '49-21=28'] Exploring Operation: 9*28=252, Resulting Numbers: [252] 252,17 unequal: No Solution Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,17 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,17 unequal: No Solution Moving to Node #0,2,1 Current State: 17:[21, 40], Operations: ['98/2=49', '49-9=40'] Exploring Operation: 21+40=61, Resulting Numbers: [61] 61,17 unequal: No Solution Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,17 unequal: No Solution Exploring Operation: 21*40=840, Resulting Numbers: [840] 840,17 unequal: No Solution Moving to Node #0,2,0 Current State: 17:[49, 12], Operations: ['98/2=49', '21-9=12'] Exploring Operation: 49-12=37, Resulting Numbers: [37] 37,17 unequal: No Solution Exploring Operation: 49+12=61, Resulting Numbers: [61] 61,17 unequal: No Solution Exploring Operation: 49*12=588, Resulting Numbers: [588] 588,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[9, 2, 77], Operations: ['98-21=77'] Exploring Operation: 9*2=18, Resulting Numbers: [77, 18] Generated Node #0,0,0: 17:[77, 18] Operation: 9*2=18 Exploring Operation: 9+2=11, Resulting Numbers: [77, 11] Generated Node #0,0,1: 17:[77, 11] Operation: 9+2=11 Exploring Operation: 77-9=68, Resulting Numbers: [2, 68] Generated Node #0,0,2: 17:[2, 68] Operation: 77-9=68 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[77, 18], Operations: ['98-21=77', '9*2=18'] Exploring Operation: 77*18=1386, Resulting Numbers: [1386] 1386,17 unequal: No Solution Exploring Operation: 77+18=95, Resulting Numbers: [95] 95,17 unequal: No Solution Exploring Operation: 77-18=59, Resulting Numbers: [59] 59,17 unequal: No Solution No 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: 17:[77, 11], Operations: ['98-21=77', '9+2=11'] Exploring Operation: 77/11=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 77-11=66, Resulting Numbers: [66] 66,17 unequal: No Solution Exploring Operation: 77+11=88, Resulting Numbers: [88] 88,17 unequal: No Solution No 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: 17:[2, 68], Operations: ['98-21=77', '77-9=68'] Exploring Operation: 2+68=70, Resulting Numbers: [70] 70,17 unequal: No Solution Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,17 unequal: No Solution Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,17 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: 17:[21, 98, 18], Operations: ['9*2=18'] Exploring Operation: 98-21=77, Resulting Numbers: [18, 77] Generated Node #0,1,0: 17:[18, 77] Operation: 98-21=77 Exploring Operation: 21-18=3, Resulting Numbers: [98, 3] Generated Node #0,1,1: 17:[98, 3] Operation: 21-18=3 Exploring Operation: 98-18=80, Resulting Numbers: [21, 80] Generated Node #0,1,2: 17:[21, 80] Operation: 98-18=80 Moving to Node #0,1,0 Current State: 17:[18, 77], Operations: ['9*2=18', '98-21=77'] Exploring Operation: 18*77=1386, Resulting Numbers: [1386] 1386,17 unequal: No Solution Exploring Operation: 77-18=59, Resulting Numbers: [59] 59,17 unequal: No Solution Exploring Operation: 18+77=95, Resulting Numbers: [95] 95,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[21, 80], Operations: ['9*2=18', '98-18=80'] Exploring Operation: 21*80=1680, Resulting Numbers: [1680] 1680,17 unequal: No Solution Exploring Operation: 80-21=59, Resulting Numbers: [59] 59,17 unequal: No Solution Exploring Operation: 21+80=101, Resulting Numbers: [101] 101,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[98, 3], Operations: ['9*2=18', '21-18=3'] Exploring Operation: 98-3=95, Resulting Numbers: [95] 95,17 unequal: No Solution Exploring Operation: 98*3=294, Resulting Numbers: [294] 294,17 unequal: No Solution Exploring Operation: 98+3=101, Resulting Numbers: [101] 101,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 54, 2, 57, 80 ]
100
[ "80-57=23", "2*23=46", "54+46=100" ]
Current State: 100:[54, 2, 57, 80], Operations: [] Exploring Operation: 80-57=23, Resulting Numbers: [54, 2, 23] Generated Node #2: [54, 2, 23] from Operation: 80-57=23 Current State: 100:[54, 2, 23], Operations: ['80-57=23'] Exploring Operation: 2*23=46, Resulting Numbers: [54, 46] Generated Node #3: [54, 46] from Operation: 2*23=46 Current State: 100:[54, 46], Operations: ['80-57=23', '2*23=46'] Exploring Operation: 54+46=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[54, 2, 57, 80], Operations: [] Exploring Operation: 80-57=23, Resulting Numbers: [54, 2, 23] Generated Node #0,0: 100:[54, 2, 23] Operation: 80-57=23 Exploring Operation: 57-54=3, Resulting Numbers: [2, 80, 3] Generated Node #0,1: 100:[2, 80, 3] Operation: 57-54=3 Exploring Operation: 80-54=26, Resulting Numbers: [2, 57, 26] Generated Node #0,2: 100:[2, 57, 26] Operation: 80-54=26 Exploring Operation: 54-2=52, Resulting Numbers: [57, 80, 52] Generated Node #0,3: 100:[57, 80, 52] Operation: 54-2=52 Exploring Operation: 80/2=40, Resulting Numbers: [54, 57, 40] Generated Node #0,4: 100:[54, 57, 40] Operation: 80/2=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[54, 2, 23], Operations: ['80-57=23'] Exploring Operation: 2+23=25, Resulting Numbers: [54, 25] Generated Node #0,0,0: 100:[54, 25] Operation: 2+23=25 Exploring Operation: 54/2=27, Resulting Numbers: [23, 27] Generated Node #0,0,1: 100:[23, 27] Operation: 54/2=27 Exploring Operation: 54-23=31, Resulting Numbers: [2, 31] Generated Node #0,0,2: 100:[2, 31] Operation: 54-23=31 Exploring Operation: 54-2=52, Resulting Numbers: [23, 52] Generated Node #0,0,3: 100:[23, 52] Operation: 54-2=52 Exploring Operation: 23-2=21, Resulting Numbers: [54, 21] Generated Node #0,0,4: 100:[54, 21] Operation: 23-2=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 100:[54, 25], Operations: ['80-57=23', '2+23=25'] Exploring Operation: 54*25=1350, Resulting Numbers: [1350] 1350,100 unequal: No Solution Exploring Operation: 54+25=79, Resulting Numbers: [79] 79,100 unequal: No Solution Exploring Operation: 54-25=29, Resulting Numbers: [29] 29,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 100:[23, 27], Operations: ['80-57=23', '54/2=27'] Exploring Operation: 23+27=50, Resulting Numbers: [50] 50,100 unequal: No Solution Exploring Operation: 23*27=621, Resulting Numbers: [621] 621,100 unequal: No Solution Exploring Operation: 27-23=4, Resulting Numbers: [4] 4,100 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:[23, 52], Operations: ['80-57=23', '54-2=52'] Exploring Operation: 23+52=75, Resulting Numbers: [75] 75,100 unequal: No Solution Exploring Operation: 23*52=1196, Resulting Numbers: [1196] 1196,100 unequal: No Solution Exploring Operation: 52-23=29, Resulting Numbers: [29] 29,100 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 #0,0,4 Current State: 100:[54, 21], Operations: ['80-57=23', '23-2=21'] Exploring Operation: 54+21=75, Resulting Numbers: [75] 75,100 unequal: No Solution Exploring Operation: 54-21=33, Resulting Numbers: [33] 33,100 unequal: No Solution Exploring Operation: 54*21=1134, Resulting Numbers: [1134] 1134,100 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:[2, 31], Operations: ['80-57=23', '54-23=31'] Exploring Operation: 2*31=62, Resulting Numbers: [62] 62,100 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,100 unequal: No Solution Exploring Operation: 2+31=33, Resulting Numbers: [33] 33,100 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:[2, 57, 26], Operations: ['80-54=26'] Exploring Operation: 2*26=52, Resulting Numbers: [57, 52] Generated Node #0,2,0: 100:[57, 52] Operation: 2*26=52 Exploring Operation: 57-2=55, Resulting Numbers: [26, 55] Generated Node #0,2,1: 100:[26, 55] Operation: 57-2=55 Exploring Operation: 57-26=31, Resulting Numbers: [2, 31] Generated Node #0,2,2: 100:[2, 31] Operation: 57-26=31 Exploring Operation: 2+57=59, Resulting Numbers: [26, 59] Generated Node #0,2,3: 100:[26, 59] Operation: 2+57=59 Exploring Operation: 26-2=24, Resulting Numbers: [57, 24] Generated Node #0,2,4: 100:[57, 24] Operation: 26-2=24 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 100:[26, 55], Operations: ['80-54=26', '57-2=55'] Exploring Operation: 26*55=1430, Resulting Numbers: [1430] 1430,100 unequal: No Solution Exploring Operation: 26+55=81, Resulting Numbers: [81] 81,100 unequal: No Solution Exploring Operation: 55-26=29, Resulting Numbers: [29] 29,100 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:[2, 31], Operations: ['80-54=26', '57-26=31'] Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,100 unequal: No Solution Exploring Operation: 2*31=62, Resulting Numbers: [62] 62,100 unequal: No Solution Exploring Operation: 2+31=33, Resulting Numbers: [33] 33,100 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 #0,2,4 Current State: 100:[57, 24], Operations: ['80-54=26', '26-2=24'] Exploring Operation: 57-24=33, Resulting Numbers: [33] 33,100 unequal: No Solution Exploring Operation: 57*24=1368, Resulting Numbers: [1368] 1368,100 unequal: No Solution Exploring Operation: 57+24=81, Resulting Numbers: [81] 81,100 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:[57, 52], Operations: ['80-54=26', '2*26=52'] Exploring Operation: 57*52=2964, Resulting Numbers: [2964] 2964,100 unequal: No Solution Exploring Operation: 57+52=109, Resulting Numbers: [109] 109,100 unequal: No Solution Exploring Operation: 57-52=5, Resulting Numbers: [5] 5,100 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:[26, 59], Operations: ['80-54=26', '2+57=59'] Exploring Operation: 26+59=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 26*59=1534, Resulting Numbers: [1534] 1534,100 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,100 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 #0,1 Current State: 100:[2, 80, 3], Operations: ['57-54=3'] Exploring Operation: 2+3=5, Resulting Numbers: [80, 5] Generated Node #0,1,0: 100:[80, 5] Operation: 2+3=5 Exploring Operation: 80+3=83, Resulting Numbers: [2, 83] Generated Node #0,1,1: 100:[2, 83] Operation: 80+3=83 Exploring Operation: 2+80=82, Resulting Numbers: [3, 82] Generated Node #0,1,2: 100:[3, 82] Operation: 2+80=82 Exploring Operation: 80/2=40, Resulting Numbers: [3, 40] Generated Node #0,1,3: 100:[3, 40] Operation: 80/2=40 Exploring Operation: 2*3=6, Resulting Numbers: [80, 6] Generated Node #0,1,4: 100:[80, 6] Operation: 2*3=6 Moving to Node #0,1,3 Current State: 100:[3, 40], Operations: ['57-54=3', '80/2=40'] Exploring Operation: 3*40=120, Resulting Numbers: [120] 120,100 unequal: No Solution Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,100 unequal: No Solution Exploring Operation: 3+40=43, Resulting Numbers: [43] 43,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[2, 83], Operations: ['57-54=3', '80+3=83'] Exploring Operation: 2*83=166, Resulting Numbers: [166] 166,100 unequal: No Solution Exploring Operation: 2+83=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,100 unequal: No Solution Moving to Node #0,1,2 Current State: 100:[3, 82], Operations: ['57-54=3', '2+80=82'] Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,100 unequal: No Solution Exploring Operation: 3*82=246, Resulting Numbers: [246] 246,100 unequal: No Solution Exploring Operation: 3+82=85, Resulting Numbers: [85] 85,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[80, 5], Operations: ['57-54=3', '2+3=5'] Exploring Operation: 80*5=400, Resulting Numbers: [400] 400,100 unequal: No Solution Exploring Operation: 80/5=16, Resulting Numbers: [16] 16,100 unequal: No Solution Exploring Operation: 80+5=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,100 unequal: No Solution Moving to Node #0,1,4 Current State: 100:[80, 6], Operations: ['57-54=3', '2*3=6'] Exploring Operation: 80*6=480, Resulting Numbers: [480] 480,100 unequal: No Solution Exploring Operation: 80-6=74, Resulting Numbers: [74] 74,100 unequal: No Solution Exploring Operation: 80+6=86, Resulting Numbers: [86] 86,100 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 #0,4 Current State: 100:[54, 57, 40], Operations: ['80/2=40'] Exploring Operation: 57-54=3, Resulting Numbers: [40, 3] Generated Node #0,4,0: 100:[40, 3] Operation: 57-54=3 Exploring Operation: 57-40=17, Resulting Numbers: [54, 17] Generated Node #0,4,1: 100:[54, 17] Operation: 57-40=17 Exploring Operation: 54+40=94, Resulting Numbers: [57, 94] Generated Node #0,4,2: 100:[57, 94] Operation: 54+40=94 Exploring Operation: 54-40=14, Resulting Numbers: [57, 14] Generated Node #0,4,3: 100:[57, 14] Operation: 54-40=14 Exploring Operation: 57+40=97, Resulting Numbers: [54, 97] Generated Node #0,4,4: 100:[54, 97] Operation: 57+40=97 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 100:[54, 17], Operations: ['80/2=40', '57-40=17'] Exploring Operation: 54+17=71, Resulting Numbers: [71] 71,100 unequal: No Solution Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,100 unequal: No Solution Exploring Operation: 54*17=918, Resulting Numbers: [918] 918,100 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 #0,4,4 Current State: 100:[54, 97], Operations: ['80/2=40', '57+40=97'] Exploring Operation: 54*97=5238, Resulting Numbers: [5238] 5238,100 unequal: No Solution Exploring Operation: 97-54=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 54+97=151, Resulting Numbers: [151] 151,100 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 #0,4,0 Current State: 100:[40, 3], Operations: ['80/2=40', '57-54=3'] Exploring Operation: 40*3=120, Resulting Numbers: [120] 120,100 unequal: No Solution Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,100 unequal: No Solution Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,100 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 #0,4,3 Current State: 100:[57, 14], Operations: ['80/2=40', '54-40=14'] Exploring Operation: 57*14=798, Resulting Numbers: [798] 798,100 unequal: No Solution Exploring Operation: 57-14=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 57+14=71, Resulting Numbers: [71] 71,100 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 #0,4,2 Current State: 100:[57, 94], Operations: ['80/2=40', '54+40=94'] Exploring Operation: 94-57=37, Resulting Numbers: [37] 37,100 unequal: No Solution Exploring Operation: 57+94=151, Resulting Numbers: [151] 151,100 unequal: No Solution Exploring Operation: 57*94=5358, Resulting Numbers: [5358] 5358,100 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 #0,3 Current State: 100:[57, 80, 52], Operations: ['54-2=52'] Exploring Operation: 57-52=5, Resulting Numbers: [80, 5] Generated Node #0,3,0: 100:[80, 5] Operation: 57-52=5 Exploring Operation: 80-52=28, Resulting Numbers: [57, 28] Generated Node #0,3,1: 100:[57, 28] Operation: 80-52=28 Exploring Operation: 57+80=137, Resulting Numbers: [52, 137] Generated Node #0,3,2: 100:[52, 137] Operation: 57+80=137 Exploring Operation: 80-57=23, Resulting Numbers: [52, 23] Generated Node #0,3,3: 100:[52, 23] Operation: 80-57=23 Exploring Operation: 57+52=109, Resulting Numbers: [80, 109] Generated Node #0,3,4: 100:[80, 109] Operation: 57+52=109 Moving to Node #0,3,3 Current State: 100:[52, 23], Operations: ['54-2=52', '80-57=23'] Exploring Operation: 52*23=1196, Resulting Numbers: [1196] 1196,100 unequal: No Solution Exploring Operation: 52+23=75, Resulting Numbers: [75] 75,100 unequal: No Solution Exploring Operation: 52-23=29, Resulting Numbers: [29] 29,100 unequal: No Solution Moving to Node #0,3,1 Current State: 100:[57, 28], Operations: ['54-2=52', '80-52=28'] Exploring Operation: 57+28=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 57-28=29, Resulting Numbers: [29] 29,100 unequal: No Solution Exploring Operation: 57*28=1596, Resulting Numbers: [1596] 1596,100 unequal: No Solution Moving to Node #0,3,0 Current State: 100:[80, 5], Operations: ['54-2=52', '57-52=5'] Exploring Operation: 80+5=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,100 unequal: No Solution Exploring Operation: 80*5=400, Resulting Numbers: [400] 400,100 unequal: No Solution Exploring Operation: 80/5=16, Resulting Numbers: [16] 16,100 unequal: No Solution Moving to Node #0,3,4 Current State: 100:[80, 109], Operations: ['54-2=52', '57+52=109'] Exploring Operation: 80+109=189, Resulting Numbers: [189] 189,100 unequal: No Solution Exploring Operation: 109-80=29, Resulting Numbers: [29] 29,100 unequal: No Solution Exploring Operation: 80*109=8720, Resulting Numbers: [8720] 8720,100 unequal: No Solution Moving to Node #0,3,2 Current State: 100:[52, 137], Operations: ['54-2=52', '57+80=137'] Exploring Operation: 137-52=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 52*137=7124, Resulting Numbers: [7124] 7124,100 unequal: No Solution Exploring Operation: 52+137=189, Resulting Numbers: [189] 189,100 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
[ 53, 37, 46, 3 ]
27
[ "53-37=16", "46-3=43", "43-16=27" ]
Current State: 27:[53, 37, 46, 3], Operations: [] Exploring Operation: 53-37=16, Resulting Numbers: [46, 3, 16] Generated Node #2: [46, 3, 16] from Operation: 53-37=16 Current State: 27:[46, 3, 16], Operations: ['53-37=16'] Exploring Operation: 46-3=43, Resulting Numbers: [16, 43] Generated Node #3: [16, 43] from Operation: 46-3=43 Current State: 27:[16, 43], Operations: ['53-37=16', '46-3=43'] Exploring Operation: 43-16=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[53, 37, 46, 3], Operations: [] Exploring Operation: 53-37=16, Resulting Numbers: [46, 3, 16] Generated Node #0,0: 27:[46, 3, 16] Operation: 53-37=16 Exploring Operation: 53-46=7, Resulting Numbers: [37, 3, 7] Generated Node #0,1: 27:[37, 3, 7] Operation: 53-46=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[37, 3, 7], Operations: ['53-46=7'] Exploring Operation: 37-7=30, Resulting Numbers: [3, 30] Generated Node #0,1,0: 27:[3, 30] Operation: 37-7=30 Exploring Operation: 37-3=34, Resulting Numbers: [7, 34] Generated Node #0,1,1: 27:[7, 34] Operation: 37-3=34 Moving to Node #0,1,0 Current State: 27:[3, 30], Operations: ['53-46=7', '37-7=30'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[53, 37, 46, 3], Operations: [] Exploring Operation: 53-46=7, Resulting Numbers: [37, 3, 7] Generated Node #0,1: 27:[37, 3, 7] Operation: 53-46=7 Moving to Node #0,1 Current State: 27:[37, 3, 7], Operations: ['53-46=7'] Exploring Operation: 37-7=30, Resulting Numbers: [3, 30] Generated Node #0,1,0: 27:[3, 30] Operation: 37-7=30 Moving to Node #0,1,0 Current State: 27:[3, 30], Operations: ['53-46=7', '37-7=30'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 51, 30, 34, 17 ]
42
[ "51-30=21", "34/17=2", "21*2=42" ]
Current State: 42:[51, 30, 34, 17], Operations: [] Exploring Operation: 51-30=21, Resulting Numbers: [34, 17, 21] Generated Node #2: [34, 17, 21] from Operation: 51-30=21 Current State: 42:[34, 17, 21], Operations: ['51-30=21'] Exploring Operation: 34/17=2, Resulting Numbers: [21, 2] Generated Node #3: [21, 2] from Operation: 34/17=2 Current State: 42:[21, 2], Operations: ['51-30=21', '34/17=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[51, 30, 34, 17], Operations: [] Exploring Operation: 51-30=21, Resulting Numbers: [34, 17, 21] Generated Node #0,0: 42:[34, 17, 21] Operation: 51-30=21 Exploring Operation: 34-30=4, Resulting Numbers: [51, 17, 4] Generated Node #0,1: 42:[51, 17, 4] Operation: 34-30=4 Exploring Operation: 51-34=17, Resulting Numbers: [30, 17, 17] Generated Node #0,2: 42:[30, 17, 17] Operation: 51-34=17 Moving to Node #0,0 Current State: 42:[34, 17, 21], Operations: ['51-30=21'] Exploring Operation: 34/17=2, Resulting Numbers: [21, 2] Generated Node #0,0,0: 42:[21, 2] Operation: 34/17=2 Exploring Operation: 34-21=13, Resulting Numbers: [17, 13] Generated Node #0,0,1: 42:[17, 13] Operation: 34-21=13 Exploring Operation: 34-17=17, Resulting Numbers: [21, 17] Generated Node #0,0,2: 42:[21, 17] Operation: 34-17=17 Moving to Node #0,1 Current State: 42:[51, 17, 4], Operations: ['34-30=4'] Exploring Operation: 51-17=34, Resulting Numbers: [4, 34] Generated Node #0,1,0: 42:[4, 34] Operation: 51-17=34 Exploring Operation: 51/17=3, Resulting Numbers: [4, 3] Generated Node #0,1,1: 42:[4, 3] Operation: 51/17=3 Exploring Operation: 51-4=47, Resulting Numbers: [17, 47] Generated Node #0,1,2: 42:[17, 47] Operation: 51-4=47 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 42:[4, 3], Operations: ['34-30=4', '51/17=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,42 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 42:[17, 47], Operations: ['34-30=4', '51-4=47'] Exploring Operation: 17*47=799, Resulting Numbers: [799] 799,42 unequal: No Solution Exploring Operation: 47-17=30, Resulting Numbers: [30] 30,42 unequal: No Solution Exploring Operation: 17+47=64, Resulting Numbers: [64] 64,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 42:[4, 34], Operations: ['34-30=4', '51-17=34'] Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,42 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,42 unequal: No Solution Exploring Operation: 4*34=136, Resulting Numbers: [136] 136,42 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: 42:[30, 17, 17], Operations: ['51-34=17'] Exploring Operation: 30-17=13, Resulting Numbers: [17, 13] Generated Node #0,2,0: 42:[17, 13] Operation: 30-17=13 Exploring Operation: 30-17=13, Resulting Numbers: [17, 13] Generated Node #0,2,1: 42:[17, 13] Operation: 30-17=13 Exploring Operation: 30+17=47, Resulting Numbers: [17, 47] Generated Node #0,2,2: 42:[17, 47] Operation: 30+17=47 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 42:[17, 13], Operations: ['51-34=17', '30-17=13'] Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,42 unequal: No Solution Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,42 unequal: No Solution Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 42:[17, 13], Operations: ['51-34=17', '30-17=13'] Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,42 unequal: No Solution Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,42 unequal: No Solution Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 42:[17, 47], Operations: ['51-34=17', '30+17=47'] Exploring Operation: 17+47=64, Resulting Numbers: [64] 64,42 unequal: No Solution Exploring Operation: 47-17=30, Resulting Numbers: [30] 30,42 unequal: No Solution Exploring Operation: 17*47=799, Resulting Numbers: [799] 799,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 42:[21, 2], Operations: ['51-30=21', '34/17=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[51, 30, 34, 17], Operations: [] Exploring Operation: 51-30=21, Resulting Numbers: [34, 17, 21] Generated Node #0,0: 42:[34, 17, 21] Operation: 51-30=21 Moving to Node #0,0 Current State: 42:[34, 17, 21], Operations: ['51-30=21'] Exploring Operation: 34/17=2, Resulting Numbers: [21, 2] Generated Node #0,0,0: 42:[21, 2] Operation: 34/17=2 Moving to Node #0,0,0 Current State: 42:[21, 2], Operations: ['51-30=21', '34/17=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
0.969618
hs_3
mult_heuristic
[ 82, 21, 94, 94 ]
82
[ "94-94=0", "21*0=0", "82+0=82" ]
Current State: 82:[82, 21, 94, 94], Operations: [] Exploring Operation: 94-94=0, Resulting Numbers: [82, 21, 0] Generated Node #2: [82, 21, 0] from Operation: 94-94=0 Current State: 82:[82, 21, 0], Operations: ['94-94=0'] Exploring Operation: 21*0=0, Resulting Numbers: [82, 0] Generated Node #3: [82, 0] from Operation: 21*0=0 Current State: 82:[82, 0], Operations: ['94-94=0', '21*0=0'] Exploring Operation: 82+0=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[82, 21, 94, 94], Operations: [] Exploring Operation: 94-21=73, Resulting Numbers: [82, 94, 73] Generated Node #0,0: 82:[82, 94, 73] Operation: 94-21=73 Exploring Operation: 94-21=73, Resulting Numbers: [82, 94, 73] Generated Node #0,1: 82:[82, 94, 73] Operation: 94-21=73 Exploring Operation: 94-94=0, Resulting Numbers: [82, 21, 0] Generated Node #0,2: 82:[82, 21, 0] Operation: 94-94=0 Exploring Operation: 94-82=12, Resulting Numbers: [21, 94, 12] Generated Node #0,3: 82:[21, 94, 12] Operation: 94-82=12 Exploring Operation: 94/94=1, Resulting Numbers: [82, 21, 1] Generated Node #0,4: 82:[82, 21, 1] Operation: 94/94=1 Start Sub Search at level 1: Moving to Node #0,4 Current State: 82:[82, 21, 1], Operations: ['94/94=1'] Exploring Operation: 82*1=82, Resulting Numbers: [21, 82] Generated Node #0,4,0: 82:[21, 82] Operation: 82*1=82 Exploring Operation: 21-1=20, Resulting Numbers: [82, 20] Generated Node #0,4,1: 82:[82, 20] Operation: 21-1=20 Exploring Operation: 82/1=82, Resulting Numbers: [21, 82] Generated Node #0,4,2: 82:[21, 82] Operation: 82/1=82 Exploring Operation: 21*1=21, Resulting Numbers: [82, 21] Generated Node #0,4,3: 82:[82, 21] Operation: 21*1=21 Exploring Operation: 21+1=22, Resulting Numbers: [82, 22] Generated Node #0,4,4: 82:[82, 22] Operation: 21+1=22 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 82:[82, 20], Operations: ['94/94=1', '21-1=20'] Exploring Operation: 82*20=1640, Resulting Numbers: [1640] 1640,82 unequal: No Solution Exploring Operation: 82-20=62, Resulting Numbers: [62] 62,82 unequal: No Solution Exploring Operation: 82+20=102, Resulting Numbers: [102] 102,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 82:[21, 82], Operations: ['94/94=1', '82*1=82'] Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,82 unequal: No Solution Exploring Operation: 21+82=103, Resulting Numbers: [103] 103,82 unequal: No Solution Exploring Operation: 21*82=1722, Resulting Numbers: [1722] 1722,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 82:[21, 82], Operations: ['94/94=1', '82/1=82'] Exploring Operation: 21*82=1722, Resulting Numbers: [1722] 1722,82 unequal: No Solution Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,82 unequal: No Solution Exploring Operation: 21+82=103, Resulting Numbers: [103] 103,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 82:[82, 21], Operations: ['94/94=1', '21*1=21'] Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,82 unequal: No Solution Exploring Operation: 82*21=1722, Resulting Numbers: [1722] 1722,82 unequal: No Solution Exploring Operation: 82+21=103, Resulting Numbers: [103] 103,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 82:[82, 22], Operations: ['94/94=1', '21+1=22'] Exploring Operation: 82*22=1804, Resulting Numbers: [1804] 1804,82 unequal: No Solution Exploring Operation: 82+22=104, Resulting Numbers: [104] 104,82 unequal: No Solution Exploring Operation: 82-22=60, Resulting Numbers: [60] 60,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[82, 94, 73], Operations: ['94-21=73'] Exploring Operation: 94-82=12, Resulting Numbers: [73, 12] Generated Node #0,0,0: 82:[73, 12] Operation: 94-82=12 Exploring Operation: 94-73=21, Resulting Numbers: [82, 21] Generated Node #0,0,1: 82:[82, 21] Operation: 94-73=21 Exploring Operation: 94+73=167, Resulting Numbers: [82, 167] Generated Node #0,0,2: 82:[82, 167] Operation: 94+73=167 Exploring Operation: 82-73=9, Resulting Numbers: [94, 9] Generated Node #0,0,3: 82:[94, 9] Operation: 82-73=9 Exploring Operation: 82+73=155, Resulting Numbers: [94, 155] Generated Node #0,0,4: 82:[94, 155] Operation: 82+73=155 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[73, 12], Operations: ['94-21=73', '94-82=12'] Exploring Operation: 73-12=61, Resulting Numbers: [61] 61,82 unequal: No Solution Exploring Operation: 73*12=876, Resulting Numbers: [876] 876,82 unequal: No Solution Exploring Operation: 73+12=85, Resulting Numbers: [85] 85,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[82, 21], Operations: ['94-21=73', '94-73=21'] Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,82 unequal: No Solution Exploring Operation: 82*21=1722, Resulting Numbers: [1722] 1722,82 unequal: No Solution Exploring Operation: 82+21=103, Resulting Numbers: [103] 103,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 82:[94, 9], Operations: ['94-21=73', '82-73=9'] Exploring Operation: 94-9=85, Resulting Numbers: [85] 85,82 unequal: No Solution Exploring Operation: 94+9=103, Resulting Numbers: [103] 103,82 unequal: No Solution Exploring Operation: 94*9=846, Resulting Numbers: [846] 846,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 82:[82, 167], Operations: ['94-21=73', '94+73=167'] Exploring Operation: 82+167=249, Resulting Numbers: [249] 249,82 unequal: No Solution Exploring Operation: 82*167=13694, Resulting Numbers: [13694] 13694,82 unequal: No Solution Exploring Operation: 167-82=85, Resulting Numbers: [85] 85,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 82:[94, 155], Operations: ['94-21=73', '82+73=155'] Exploring Operation: 94*155=14570, Resulting Numbers: [14570] 14570,82 unequal: No Solution Exploring Operation: 94+155=249, Resulting Numbers: [249] 249,82 unequal: No Solution Exploring Operation: 155-94=61, Resulting Numbers: [61] 61,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[82, 94, 73], Operations: ['94-21=73'] Exploring Operation: 82+73=155, Resulting Numbers: [94, 155] Generated Node #0,1,0: 82:[94, 155] Operation: 82+73=155 Exploring Operation: 82-73=9, Resulting Numbers: [94, 9] Generated Node #0,1,1: 82:[94, 9] Operation: 82-73=9 Exploring Operation: 94-82=12, Resulting Numbers: [73, 12] Generated Node #0,1,2: 82:[73, 12] Operation: 94-82=12 Exploring Operation: 94+73=167, Resulting Numbers: [82, 167] Generated Node #0,1,3: 82:[82, 167] Operation: 94+73=167 Exploring Operation: 94-73=21, Resulting Numbers: [82, 21] Generated Node #0,1,4: 82:[82, 21] Operation: 94-73=21 Moving to Node #0,1,1 Current State: 82:[94, 9], Operations: ['94-21=73', '82-73=9'] Exploring Operation: 94*9=846, Resulting Numbers: [846] 846,82 unequal: No Solution Exploring Operation: 94+9=103, Resulting Numbers: [103] 103,82 unequal: No Solution Exploring Operation: 94-9=85, Resulting Numbers: [85] 85,82 unequal: No Solution Moving to Node #0,1,4 Current State: 82:[82, 21], Operations: ['94-21=73', '94-73=21'] Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,82 unequal: No Solution Exploring Operation: 82*21=1722, Resulting Numbers: [1722] 1722,82 unequal: No Solution Exploring Operation: 82+21=103, Resulting Numbers: [103] 103,82 unequal: No Solution Moving to Node #0,1,2 Current State: 82:[73, 12], Operations: ['94-21=73', '94-82=12'] Exploring Operation: 73*12=876, Resulting Numbers: [876] 876,82 unequal: No Solution Exploring Operation: 73-12=61, Resulting Numbers: [61] 61,82 unequal: No Solution Exploring Operation: 73+12=85, Resulting Numbers: [85] 85,82 unequal: No Solution Moving to Node #0,1,0 Current State: 82:[94, 155], Operations: ['94-21=73', '82+73=155'] Exploring Operation: 94*155=14570, Resulting Numbers: [14570] 14570,82 unequal: No Solution Exploring Operation: 94+155=249, Resulting Numbers: [249] 249,82 unequal: No Solution Exploring Operation: 155-94=61, Resulting Numbers: [61] 61,82 unequal: No Solution Moving to Node #0,1,3 Current State: 82:[82, 167], Operations: ['94-21=73', '94+73=167'] Exploring Operation: 167-82=85, Resulting Numbers: [85] 85,82 unequal: No Solution Exploring Operation: 82+167=249, Resulting Numbers: [249] 249,82 unequal: No Solution Exploring Operation: 82*167=13694, Resulting Numbers: [13694] 13694,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[82, 21, 0], Operations: ['94-94=0'] Exploring Operation: 21+0=21, Resulting Numbers: [82, 21] Generated Node #0,2,0: 82:[82, 21] Operation: 21+0=21 Exploring Operation: 21*0=0, Resulting Numbers: [82, 0] Generated Node #0,2,1: 82:[82, 0] Operation: 21*0=0 Exploring Operation: 82-0=82, Resulting Numbers: [21, 82] Generated Node #0,2,2: 82:[21, 82] Operation: 82-0=82 Exploring Operation: 82+0=82, Resulting Numbers: [21, 82] Generated Node #0,2,3: 82:[21, 82] Operation: 82+0=82 Exploring Operation: 21-0=21, Resulting Numbers: [82, 21] Generated Node #0,2,4: 82:[82, 21] Operation: 21-0=21 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 82:[82, 0], Operations: ['94-94=0', '21*0=0'] Exploring Operation: 82-0=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[82, 21, 94, 94], Operations: [] Exploring Operation: 94-94=0, Resulting Numbers: [82, 21, 0] Generated Node #0,2: 82:[82, 21, 0] Operation: 94-94=0 Moving to Node #0,2 Current State: 82:[82, 21, 0], Operations: ['94-94=0'] Exploring Operation: 21*0=0, Resulting Numbers: [82, 0] Generated Node #0,2,1: 82:[82, 0] Operation: 21*0=0 Moving to Node #0,2,1 Current State: 82:[82, 0], Operations: ['94-94=0', '21*0=0'] Exploring Operation: 82-0=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.934896
hs_5
mult_heuristic
[ 4, 32, 7, 88 ]
24
[ "4+7=11", "88/11=8", "32-8=24" ]
Current State: 24:[4, 32, 7, 88], Operations: [] Exploring Operation: 4+7=11, Resulting Numbers: [32, 88, 11] Generated Node #2: [32, 88, 11] from Operation: 4+7=11 Current State: 24:[32, 88, 11], Operations: ['4+7=11'] Exploring Operation: 88/11=8, Resulting Numbers: [32, 8] Generated Node #3: [32, 8] from Operation: 88/11=8 Current State: 24:[32, 8], Operations: ['4+7=11', '88/11=8'] Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[4, 32, 7, 88], Operations: [] Exploring Operation: 88/4=22, Resulting Numbers: [32, 7, 22] Generated Node #0,0: 24:[32, 7, 22] Operation: 88/4=22 Exploring Operation: 32/4=8, Resulting Numbers: [7, 88, 8] Generated Node #0,1: 24:[7, 88, 8] Operation: 32/4=8 Exploring Operation: 32-7=25, Resulting Numbers: [4, 88, 25] Generated Node #0,2: 24:[4, 88, 25] Operation: 32-7=25 Exploring Operation: 88-32=56, Resulting Numbers: [4, 7, 56] Generated Node #0,3: 24:[4, 7, 56] Operation: 88-32=56 Moving to Node #0,0 Current State: 24:[32, 7, 22], Operations: ['88/4=22'] Exploring Operation: 7+22=29, Resulting Numbers: [32, 29] Generated Node #0,0,0: 24:[32, 29] Operation: 7+22=29 Exploring Operation: 32-7=25, Resulting Numbers: [22, 25] Generated Node #0,0,1: 24:[22, 25] Operation: 32-7=25 Exploring Operation: 22-7=15, Resulting Numbers: [32, 15] Generated Node #0,0,2: 24:[32, 15] Operation: 22-7=15 Exploring Operation: 32-22=10, Resulting Numbers: [7, 10] Generated Node #0,0,3: 24:[7, 10] Operation: 32-22=10 Moving to Node #0,3 Current State: 24:[4, 7, 56], Operations: ['88-32=56'] Exploring Operation: 56/7=8, Resulting Numbers: [4, 8] Generated Node #0,3,0: 24:[4, 8] Operation: 56/7=8 Exploring Operation: 56/4=14, Resulting Numbers: [7, 14] Generated Node #0,3,1: 24:[7, 14] Operation: 56/4=14 Exploring Operation: 56-7=49, Resulting Numbers: [4, 49] Generated Node #0,3,2: 24:[4, 49] Operation: 56-7=49 Exploring Operation: 56-4=52, Resulting Numbers: [7, 52] Generated Node #0,3,3: 24:[7, 52] Operation: 56-4=52 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 24:[4, 8], Operations: ['88-32=56', '56/7=8'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,24 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 24:[7, 14], Operations: ['88-32=56', '56/4=14'] Exploring Operation: 7+14=21, Resulting Numbers: [21] 21,24 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,24 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 24:[4, 49], Operations: ['88-32=56', '56-7=49'] Exploring Operation: 4*49=196, Resulting Numbers: [196] 196,24 unequal: No Solution Exploring Operation: 4+49=53, Resulting Numbers: [53] 53,24 unequal: No Solution Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 24:[7, 52], Operations: ['88-32=56', '56-4=52'] Exploring Operation: 7*52=364, Resulting Numbers: [364] 364,24 unequal: No Solution Exploring Operation: 7+52=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 24:[4, 88, 25], Operations: ['32-7=25'] Exploring Operation: 88/4=22, Resulting Numbers: [25, 22] Generated Node #0,2,0: 24:[25, 22] Operation: 88/4=22 Exploring Operation: 88-4=84, Resulting Numbers: [25, 84] Generated Node #0,2,1: 24:[25, 84] Operation: 88-4=84 Exploring Operation: 88-25=63, Resulting Numbers: [4, 63] Generated Node #0,2,2: 24:[4, 63] Operation: 88-25=63 Exploring Operation: 25-4=21, Resulting Numbers: [88, 21] Generated Node #0,2,3: 24:[88, 21] Operation: 25-4=21 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 24:[25, 22], Operations: ['32-7=25', '88/4=22'] Exploring Operation: 25*22=550, Resulting Numbers: [550] 550,24 unequal: No Solution Exploring Operation: 25-22=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 25+22=47, Resulting Numbers: [47] 47,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 24:[4, 63], Operations: ['32-7=25', '88-25=63'] Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 4*63=252, Resulting Numbers: [252] 252,24 unequal: No Solution Exploring Operation: 4+63=67, Resulting Numbers: [67] 67,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 24:[25, 84], Operations: ['32-7=25', '88-4=84'] Exploring Operation: 25+84=109, Resulting Numbers: [109] 109,24 unequal: No Solution Exploring Operation: 25*84=2100, Resulting Numbers: [2100] 2100,24 unequal: No Solution Exploring Operation: 84-25=59, Resulting Numbers: [59] 59,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 24:[88, 21], Operations: ['32-7=25', '25-4=21'] Exploring Operation: 88*21=1848, Resulting Numbers: [1848] 1848,24 unequal: No Solution Exploring Operation: 88+21=109, Resulting Numbers: [109] 109,24 unequal: No Solution Exploring Operation: 88-21=67, Resulting Numbers: [67] 67,24 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: 24:[7, 88, 8], Operations: ['32/4=8'] Exploring Operation: 88/8=11, Resulting Numbers: [7, 11] Generated Node #0,1,0: 24:[7, 11] Operation: 88/8=11 Exploring Operation: 88-8=80, Resulting Numbers: [7, 80] Generated Node #0,1,1: 24:[7, 80] Operation: 88-8=80 Exploring Operation: 8-7=1, Resulting Numbers: [88, 1] Generated Node #0,1,2: 24:[88, 1] Operation: 8-7=1 Exploring Operation: 88-7=81, Resulting Numbers: [8, 81] Generated Node #0,1,3: 24:[8, 81] Operation: 88-7=81 Moving to Node #0,1,0 Current State: 24:[7, 11], Operations: ['32/4=8', '88/8=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,24 unequal: No Solution Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,24 unequal: No Solution Moving to Node #0,0,1 Current State: 24:[22, 25], Operations: ['88/4=22', '32-7=25'] Exploring Operation: 25-22=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 22+25=47, Resulting Numbers: [47] 47,24 unequal: No Solution Exploring Operation: 22*25=550, Resulting Numbers: [550] 550,24 unequal: No Solution Moving to Node #0,0,3 Current State: 24:[7, 10], Operations: ['88/4=22', '32-22=10'] Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,24 unequal: No Solution Exploring Operation: 7+10=17, Resulting Numbers: [17] 17,24 unequal: No Solution Moving to Node #0,0,2 Current State: 24:[32, 15], Operations: ['88/4=22', '22-7=15'] Exploring Operation: 32*15=480, Resulting Numbers: [480] 480,24 unequal: No Solution Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,24 unequal: No Solution Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,24 unequal: No Solution Moving to Node #0,0,0 Current State: 24:[32, 29], Operations: ['88/4=22', '7+22=29'] Exploring Operation: 32+29=61, Resulting Numbers: [61] 61,24 unequal: No Solution Exploring Operation: 32*29=928, Resulting Numbers: [928] 928,24 unequal: No Solution Exploring Operation: 32-29=3, Resulting Numbers: [3] 3,24 unequal: No Solution Moving to Node #0,1,1 Current State: 24:[7, 80], Operations: ['32/4=8', '88-8=80'] Exploring Operation: 80-7=73, Resulting Numbers: [73] 73,24 unequal: No Solution Exploring Operation: 7*80=560, Resulting Numbers: [560] 560,24 unequal: No Solution Exploring Operation: 7+80=87, Resulting Numbers: [87] 87,24 unequal: No Solution Moving to Node #0,1,3 Current State: 24:[8, 81], Operations: ['32/4=8', '88-7=81'] Exploring Operation: 8*81=648, Resulting Numbers: [648] 648,24 unequal: No Solution Exploring Operation: 81-8=73, Resulting Numbers: [73] 73,24 unequal: No Solution Exploring Operation: 8+81=89, Resulting Numbers: [89] 89,24 unequal: No Solution Moving to Node #0,1,2 Current State: 24:[88, 1], Operations: ['32/4=8', '8-7=1'] Exploring Operation: 88+1=89, Resulting Numbers: [89] 89,24 unequal: No Solution Exploring Operation: 88*1=88, Resulting Numbers: [88] 88,24 unequal: No Solution Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,24 unequal: No Solution Exploring Operation: 88/1=88, Resulting Numbers: [88] 88,24 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 38, 91, 17, 37 ]
74
[ "38-37=1", "91-17=74", "1*74=74" ]
Current State: 74:[38, 91, 17, 37], Operations: [] Exploring Operation: 38-37=1, Resulting Numbers: [91, 17, 1] Generated Node #2: [91, 17, 1] from Operation: 38-37=1 Current State: 74:[91, 17, 1], Operations: ['38-37=1'] Exploring Operation: 91-17=74, Resulting Numbers: [1, 74] Generated Node #3: [1, 74] from Operation: 91-17=74 Current State: 74:[1, 74], Operations: ['38-37=1', '91-17=74'] Exploring Operation: 1*74=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[38, 91, 17, 37], Operations: [] Exploring Operation: 91-38=53, Resulting Numbers: [17, 37, 53] Generated Node #0,0: 74:[17, 37, 53] Operation: 91-38=53 Exploring Operation: 91-17=74, Resulting Numbers: [38, 37, 74] Generated Node #0,1: 74:[38, 37, 74] Operation: 91-17=74 Moving to Node #0,1 Current State: 74:[38, 37, 74], Operations: ['91-17=74'] Exploring Operation: 38-37=1, Resulting Numbers: [74, 1] Generated Node #0,1,0: 74:[74, 1] Operation: 38-37=1 Exploring Operation: 38+37=75, Resulting Numbers: [74, 75] Generated Node #0,1,1: 74:[74, 75] Operation: 38+37=75 Moving to Node #0,0 Current State: 74:[17, 37, 53], Operations: ['91-38=53'] Exploring Operation: 53-17=36, Resulting Numbers: [37, 36] Generated Node #0,0,0: 74:[37, 36] Operation: 53-17=36 Exploring Operation: 17+53=70, Resulting Numbers: [37, 70] Generated Node #0,0,1: 74:[37, 70] Operation: 17+53=70 Moving to Node #0,1,0 Current State: 74:[74, 1], Operations: ['91-17=74', '38-37=1'] Exploring Operation: 74*1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[38, 91, 17, 37], Operations: [] Exploring Operation: 91-17=74, Resulting Numbers: [38, 37, 74] Generated Node #0,1: 74:[38, 37, 74] Operation: 91-17=74 Moving to Node #0,1 Current State: 74:[38, 37, 74], Operations: ['91-17=74'] Exploring Operation: 38-37=1, Resulting Numbers: [74, 1] Generated Node #0,1,0: 74:[74, 1] Operation: 38-37=1 Moving to Node #0,1,0 Current State: 74:[74, 1], Operations: ['91-17=74', '38-37=1'] Exploring Operation: 74*1=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 46, 30, 3, 87 ]
68
[ "46-30=16", "87-3=84", "84-16=68" ]
Current State: 68:[46, 30, 3, 87], Operations: [] Exploring Operation: 46-30=16, Resulting Numbers: [3, 87, 16] Generated Node #2: [3, 87, 16] from Operation: 46-30=16 Current State: 68:[3, 87, 16], Operations: ['46-30=16'] Exploring Operation: 87-3=84, Resulting Numbers: [16, 84] Generated Node #3: [16, 84] from Operation: 87-3=84 Current State: 68:[16, 84], Operations: ['46-30=16', '87-3=84'] Exploring Operation: 84-16=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[46, 30, 3, 87], Operations: [] Exploring Operation: 46-30=16, Resulting Numbers: [3, 87, 16] Generated Node #0,0: 68:[3, 87, 16] Operation: 46-30=16 Exploring Operation: 87-46=41, Resulting Numbers: [30, 3, 41] Generated Node #0,1: 68:[30, 3, 41] Operation: 87-46=41 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[30, 3, 41], Operations: ['87-46=41'] Exploring Operation: 30+41=71, Resulting Numbers: [3, 71] Generated Node #0,1,0: 68:[3, 71] Operation: 30+41=71 Exploring Operation: 41-30=11, Resulting Numbers: [3, 11] Generated Node #0,1,1: 68:[3, 11] Operation: 41-30=11 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 68:[3, 71], Operations: ['87-46=41', '30+41=71'] Exploring Operation: 3+71=74, Resulting Numbers: [74] 74,68 unequal: No Solution Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[46, 30, 3, 87], Operations: [] Exploring Operation: 87-46=41, Resulting Numbers: [30, 3, 41] Generated Node #0,1: 68:[30, 3, 41] Operation: 87-46=41 Moving to Node #0,1 Current State: 68:[30, 3, 41], Operations: ['87-46=41'] Exploring Operation: 30+41=71, Resulting Numbers: [3, 71] Generated Node #0,1,0: 68:[3, 71] Operation: 30+41=71 Moving to Node #0,1,0 Current State: 68:[3, 71], Operations: ['87-46=41', '30+41=71'] Exploring Operation: 71-3=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
[ 23, 80, 17, 3 ]
78
[ "23-17=6", "6/3=2", "80-2=78" ]
Current State: 78:[23, 80, 17, 3], Operations: [] Exploring Operation: 23-17=6, Resulting Numbers: [80, 3, 6] Generated Node #2: [80, 3, 6] from Operation: 23-17=6 Current State: 78:[80, 3, 6], Operations: ['23-17=6'] Exploring Operation: 6/3=2, Resulting Numbers: [80, 2] Generated Node #3: [80, 2] from Operation: 6/3=2 Current State: 78:[80, 2], Operations: ['23-17=6', '6/3=2'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[23, 80, 17, 3], Operations: [] Exploring Operation: 23-17=6, Resulting Numbers: [80, 3, 6] Generated Node #0,0: 78:[80, 3, 6] Operation: 23-17=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[80, 3, 6], Operations: ['23-17=6'] Exploring Operation: 80-3=77, Resulting Numbers: [6, 77] Generated Node #0,0,0: 78:[6, 77] Operation: 80-3=77 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[6, 77], Operations: ['23-17=6', '80-3=77'] Exploring Operation: 6+77=83, Resulting Numbers: [83] 83,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 28, 84, 45, 40 ]
25
[ "84/28=3", "45/3=15", "40-15=25" ]
Current State: 25:[28, 84, 45, 40], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [45, 40, 3] Generated Node #2: [45, 40, 3] from Operation: 84/28=3 Current State: 25:[45, 40, 3], Operations: ['84/28=3'] Exploring Operation: 45/3=15, Resulting Numbers: [40, 15] Generated Node #3: [40, 15] from Operation: 45/3=15 Current State: 25:[40, 15], Operations: ['84/28=3', '45/3=15'] Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[28, 84, 45, 40], Operations: [] Exploring Operation: 45-40=5, Resulting Numbers: [28, 84, 5] Generated Node #0,0: 25:[28, 84, 5] Operation: 45-40=5 Exploring Operation: 84-45=39, Resulting Numbers: [28, 40, 39] Generated Node #0,1: 25:[28, 40, 39] Operation: 84-45=39 Exploring Operation: 84-40=44, Resulting Numbers: [28, 45, 44] Generated Node #0,2: 25:[28, 45, 44] Operation: 84-40=44 Exploring Operation: 84/28=3, Resulting Numbers: [45, 40, 3] Generated Node #0,3: 25:[45, 40, 3] Operation: 84/28=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[28, 40, 39], Operations: ['84-45=39'] Exploring Operation: 40-39=1, Resulting Numbers: [28, 1] Generated Node #0,1,0: 25:[28, 1] Operation: 40-39=1 Exploring Operation: 28+40=68, Resulting Numbers: [39, 68] Generated Node #0,1,1: 25:[39, 68] Operation: 28+40=68 Exploring Operation: 40-28=12, Resulting Numbers: [39, 12] Generated Node #0,1,2: 25:[39, 12] Operation: 40-28=12 Exploring Operation: 39-28=11, Resulting Numbers: [40, 11] Generated Node #0,1,3: 25:[40, 11] Operation: 39-28=11 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 25:[28, 1], Operations: ['84-45=39', '40-39=1'] Exploring Operation: 28+1=29, Resulting Numbers: [29] 29,25 unequal: No Solution Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,25 unequal: No Solution Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,25 unequal: No Solution Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 25:[39, 12], Operations: ['84-45=39', '40-28=12'] Exploring Operation: 39*12=468, Resulting Numbers: [468] 468,25 unequal: No Solution Exploring Operation: 39+12=51, Resulting Numbers: [51] 51,25 unequal: No Solution Exploring Operation: 39-12=27, Resulting Numbers: [27] 27,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 25:[40, 11], Operations: ['84-45=39', '39-28=11'] Exploring Operation: 40+11=51, Resulting Numbers: [51] 51,25 unequal: No Solution Exploring Operation: 40*11=440, Resulting Numbers: [440] 440,25 unequal: No Solution Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[39, 68], Operations: ['84-45=39', '28+40=68'] Exploring Operation: 39*68=2652, Resulting Numbers: [2652] 2652,25 unequal: No Solution Exploring Operation: 39+68=107, Resulting Numbers: [107] 107,25 unequal: No Solution Exploring Operation: 68-39=29, Resulting Numbers: [29] 29,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 25:[45, 40, 3], Operations: ['84/28=3'] Exploring Operation: 45-40=5, Resulting Numbers: [3, 5] Generated Node #0,3,0: 25:[3, 5] Operation: 45-40=5 Exploring Operation: 45-3=42, Resulting Numbers: [40, 42] Generated Node #0,3,1: 25:[40, 42] Operation: 45-3=42 Exploring Operation: 40-3=37, Resulting Numbers: [45, 37] Generated Node #0,3,2: 25:[45, 37] Operation: 40-3=37 Exploring Operation: 45/3=15, Resulting Numbers: [40, 15] Generated Node #0,3,3: 25:[40, 15] Operation: 45/3=15 Moving to Node #0,3,0 Current State: 25:[3, 5], Operations: ['84/28=3', '45-40=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,25 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,25 unequal: No Solution Moving to Node #0,3,3 Current State: 25:[40, 15], Operations: ['84/28=3', '45/3=15'] Exploring Operation: 40+15=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[28, 84, 45, 40], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [45, 40, 3] Generated Node #0,3: 25:[45, 40, 3] Operation: 84/28=3 Moving to Node #0,3 Current State: 25:[45, 40, 3], Operations: ['84/28=3'] Exploring Operation: 45/3=15, Resulting Numbers: [40, 15] Generated Node #0,3,3: 25:[40, 15] Operation: 45/3=15 Moving to Node #0,3,3 Current State: 25:[40, 15], Operations: ['84/28=3', '45/3=15'] Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
mult_heuristic
[ 34, 75, 39, 49 ]
47
[ "75-34=41", "39+49=88", "88-41=47" ]
Current State: 47:[34, 75, 39, 49], Operations: [] Exploring Operation: 75-34=41, Resulting Numbers: [39, 49, 41] Generated Node #2: [39, 49, 41] from Operation: 75-34=41 Current State: 47:[39, 49, 41], Operations: ['75-34=41'] Exploring Operation: 39+49=88, Resulting Numbers: [41, 88] Generated Node #3: [41, 88] from Operation: 39+49=88 Current State: 47:[41, 88], Operations: ['75-34=41', '39+49=88'] Exploring Operation: 88-41=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[34, 75, 39, 49], Operations: [] Exploring Operation: 34+39=73, Resulting Numbers: [75, 49, 73] Generated Node #0,0: 47:[75, 49, 73] Operation: 34+39=73 Exploring Operation: 75-34=41, Resulting Numbers: [39, 49, 41] Generated Node #0,1: 47:[39, 49, 41] Operation: 75-34=41 Exploring Operation: 75-49=26, Resulting Numbers: [34, 39, 26] Generated Node #0,2: 47:[34, 39, 26] Operation: 75-49=26 Exploring Operation: 75-39=36, Resulting Numbers: [34, 49, 36] Generated Node #0,3: 47:[34, 49, 36] Operation: 75-39=36 Exploring Operation: 49-34=15, Resulting Numbers: [75, 39, 15] Generated Node #0,4: 47:[75, 39, 15] Operation: 49-34=15 Moving to Node #0,1 Current State: 47:[39, 49, 41], Operations: ['75-34=41'] Exploring Operation: 39+49=88, Resulting Numbers: [41, 88] Generated Node #0,1,0: 47:[41, 88] Operation: 39+49=88 Exploring Operation: 49-41=8, Resulting Numbers: [39, 8] Generated Node #0,1,1: 47:[39, 8] Operation: 49-41=8 Exploring Operation: 39+41=80, Resulting Numbers: [49, 80] Generated Node #0,1,2: 47:[49, 80] Operation: 39+41=80 Exploring Operation: 49-39=10, Resulting Numbers: [41, 10] Generated Node #0,1,3: 47:[41, 10] Operation: 49-39=10 Exploring Operation: 41-39=2, Resulting Numbers: [49, 2] Generated Node #0,1,4: 47:[49, 2] Operation: 41-39=2 Moving to Node #0,3 Current State: 47:[34, 49, 36], Operations: ['75-39=36'] Exploring Operation: 36-34=2, Resulting Numbers: [49, 2] Generated Node #0,3,0: 47:[49, 2] Operation: 36-34=2 Exploring Operation: 34+36=70, Resulting Numbers: [49, 70] Generated Node #0,3,1: 47:[49, 70] Operation: 34+36=70 Exploring Operation: 49-34=15, Resulting Numbers: [36, 15] Generated Node #0,3,2: 47:[36, 15] Operation: 49-34=15 Exploring Operation: 49-36=13, Resulting Numbers: [34, 13] Generated Node #0,3,3: 47:[34, 13] Operation: 49-36=13 Exploring Operation: 34+49=83, Resulting Numbers: [36, 83] Generated Node #0,3,4: 47:[36, 83] Operation: 34+49=83 Moving to Node #0,2 Current State: 47:[34, 39, 26], Operations: ['75-49=26'] Exploring Operation: 34+39=73, Resulting Numbers: [26, 73] Generated Node #0,2,0: 47:[26, 73] Operation: 34+39=73 Exploring Operation: 34-26=8, Resulting Numbers: [39, 8] Generated Node #0,2,1: 47:[39, 8] Operation: 34-26=8 Exploring Operation: 39-26=13, Resulting Numbers: [34, 13] Generated Node #0,2,2: 47:[34, 13] Operation: 39-26=13 Exploring Operation: 39+26=65, Resulting Numbers: [34, 65] Generated Node #0,2,3: 47:[34, 65] Operation: 39+26=65 Exploring Operation: 34+26=60, Resulting Numbers: [39, 60] Generated Node #0,2,4: 47:[39, 60] Operation: 34+26=60 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 47:[39, 60], Operations: ['75-49=26', '34+26=60'] Exploring Operation: 39*60=2340, Resulting Numbers: [2340] 2340,47 unequal: No Solution Exploring Operation: 39+60=99, Resulting Numbers: [99] 99,47 unequal: No Solution Exploring Operation: 60-39=21, Resulting Numbers: [21] 21,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 47:[34, 65], Operations: ['75-49=26', '39+26=65'] Exploring Operation: 65-34=31, Resulting Numbers: [31] 31,47 unequal: No Solution Exploring Operation: 34*65=2210, Resulting Numbers: [2210] 2210,47 unequal: No Solution Exploring Operation: 34+65=99, Resulting Numbers: [99] 99,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[26, 73], Operations: ['75-49=26', '34+39=73'] Exploring Operation: 73-26=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[34, 75, 39, 49], Operations: [] Exploring Operation: 75-49=26, Resulting Numbers: [34, 39, 26] Generated Node #0,2: 47:[34, 39, 26] Operation: 75-49=26 Moving to Node #0,2 Current State: 47:[34, 39, 26], Operations: ['75-49=26'] Exploring Operation: 34+39=73, Resulting Numbers: [26, 73] Generated Node #0,2,0: 47:[26, 73] Operation: 34+39=73 Moving to Node #0,2,0 Current State: 47:[26, 73], Operations: ['75-49=26', '34+39=73'] Exploring Operation: 73-26=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_5
sum_heuristic
[ 19, 83, 45, 81 ]
83
[ "83-45=38", "38/19=2", "81+2=83" ]
Current State: 83:[19, 83, 45, 81], Operations: [] Exploring Operation: 83-45=38, Resulting Numbers: [19, 81, 38] Generated Node #2: [19, 81, 38] from Operation: 83-45=38 Current State: 83:[19, 81, 38], Operations: ['83-45=38'] Exploring Operation: 38/19=2, Resulting Numbers: [81, 2] Generated Node #3: [81, 2] from Operation: 38/19=2 Current State: 83:[81, 2], Operations: ['83-45=38', '38/19=2'] Exploring Operation: 81+2=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[19, 83, 45, 81], Operations: [] Exploring Operation: 19+83=102, Resulting Numbers: [45, 81, 102] Generated Node #0,0: 83:[45, 81, 102] Operation: 19+83=102 Exploring Operation: 83-19=64, Resulting Numbers: [45, 81, 64] Generated Node #0,1: 83:[45, 81, 64] Operation: 83-19=64 Exploring Operation: 19+81=100, Resulting Numbers: [83, 45, 100] Generated Node #0,2: 83:[83, 45, 100] Operation: 19+81=100 Exploring Operation: 19+45=64, Resulting Numbers: [83, 81, 64] Generated Node #0,3: 83:[83, 81, 64] Operation: 19+45=64 Start Sub Search at level 1: Moving to Node #0,3 Current State: 83:[83, 81, 64], Operations: ['19+45=64'] Exploring Operation: 83-64=19, Resulting Numbers: [81, 19] Generated Node #0,3,0: 83:[81, 19] Operation: 83-64=19 Exploring Operation: 81+64=145, Resulting Numbers: [83, 145] Generated Node #0,3,1: 83:[83, 145] Operation: 81+64=145 Exploring Operation: 81-64=17, Resulting Numbers: [83, 17] Generated Node #0,3,2: 83:[83, 17] Operation: 81-64=17 Exploring Operation: 83+64=147, Resulting Numbers: [81, 147] Generated Node #0,3,3: 83:[81, 147] Operation: 83+64=147 Moving to Node #0,3,1 Current State: 83:[83, 145], Operations: ['19+45=64', '81+64=145'] Exploring Operation: 83+145=228, Resulting Numbers: [228] 228,83 unequal: No Solution Exploring Operation: 83*145=12035, Resulting Numbers: [12035] 12035,83 unequal: No Solution Exploring Operation: 145-83=62, Resulting Numbers: [62] 62,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[83, 17], Operations: ['19+45=64', '81-64=17'] Exploring Operation: 83*17=1411, Resulting Numbers: [1411] 1411,83 unequal: No Solution Exploring Operation: 83+17=100, Resulting Numbers: [100] 100,83 unequal: No Solution Exploring Operation: 83-17=66, Resulting Numbers: [66] 66,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[81, 19], Operations: ['19+45=64', '83-64=19'] Exploring Operation: 81+19=100, Resulting Numbers: [100] 100,83 unequal: No Solution Exploring Operation: 81*19=1539, Resulting Numbers: [1539] 1539,83 unequal: No Solution Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[81, 147], Operations: ['19+45=64', '83+64=147'] Exploring Operation: 81+147=228, Resulting Numbers: [228] 228,83 unequal: No Solution Exploring Operation: 81*147=11907, Resulting Numbers: [11907] 11907,83 unequal: No Solution Exploring Operation: 147-81=66, Resulting Numbers: [66] 66,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[83, 45, 100], Operations: ['19+81=100'] Exploring Operation: 83-45=38, Resulting Numbers: [100, 38] Generated Node #0,2,0: 83:[100, 38] Operation: 83-45=38 Exploring Operation: 100-45=55, Resulting Numbers: [83, 55] Generated Node #0,2,1: 83:[83, 55] Operation: 100-45=55 Exploring Operation: 83+45=128, Resulting Numbers: [100, 128] Generated Node #0,2,2: 83:[100, 128] Operation: 83+45=128 Exploring Operation: 45+100=145, Resulting Numbers: [83, 145] Generated Node #0,2,3: 83:[83, 145] Operation: 45+100=145 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 83:[83, 55], Operations: ['19+81=100', '100-45=55'] Exploring Operation: 83+55=138, Resulting Numbers: [138] 138,83 unequal: No Solution Exploring Operation: 83*55=4565, Resulting Numbers: [4565] 4565,83 unequal: No Solution Exploring Operation: 83-55=28, Resulting Numbers: [28] 28,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 83:[100, 38], Operations: ['19+81=100', '83-45=38'] Exploring Operation: 100-38=62, Resulting Numbers: [62] 62,83 unequal: No Solution Exploring Operation: 100+38=138, Resulting Numbers: [138] 138,83 unequal: No Solution Exploring Operation: 100*38=3800, Resulting Numbers: [3800] 3800,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 83:[100, 128], Operations: ['19+81=100', '83+45=128'] Exploring Operation: 100*128=12800, Resulting Numbers: [12800] 12800,83 unequal: No Solution Exploring Operation: 128-100=28, Resulting Numbers: [28] 28,83 unequal: No Solution Exploring Operation: 100+128=228, Resulting Numbers: [228] 228,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 83:[83, 145], Operations: ['19+81=100', '45+100=145'] Exploring Operation: 83*145=12035, Resulting Numbers: [12035] 12035,83 unequal: No Solution Exploring Operation: 83+145=228, Resulting Numbers: [228] 228,83 unequal: No Solution Exploring Operation: 145-83=62, Resulting Numbers: [62] 62,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[45, 81, 102], Operations: ['19+83=102'] Exploring Operation: 45+81=126, Resulting Numbers: [102, 126] Generated Node #0,0,0: 83:[102, 126] Operation: 45+81=126 Exploring Operation: 81-45=36, Resulting Numbers: [102, 36] Generated Node #0,0,1: 83:[102, 36] Operation: 81-45=36 Exploring Operation: 102-45=57, Resulting Numbers: [81, 57] Generated Node #0,0,2: 83:[81, 57] Operation: 102-45=57 Exploring Operation: 45+102=147, Resulting Numbers: [81, 147] Generated Node #0,0,3: 83:[81, 147] Operation: 45+102=147 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 83:[81, 57], Operations: ['19+83=102', '102-45=57'] Exploring Operation: 81+57=138, Resulting Numbers: [138] 138,83 unequal: No Solution Exploring Operation: 81*57=4617, Resulting Numbers: [4617] 4617,83 unequal: No Solution Exploring Operation: 81-57=24, Resulting Numbers: [24] 24,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 83:[102, 126], Operations: ['19+83=102', '45+81=126'] Exploring Operation: 102*126=12852, Resulting Numbers: [12852] 12852,83 unequal: No Solution Exploring Operation: 126-102=24, Resulting Numbers: [24] 24,83 unequal: No Solution Exploring Operation: 102+126=228, Resulting Numbers: [228] 228,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 83:[102, 36], Operations: ['19+83=102', '81-45=36'] Exploring Operation: 102+36=138, Resulting Numbers: [138] 138,83 unequal: No Solution Exploring Operation: 102*36=3672, Resulting Numbers: [3672] 3672,83 unequal: No Solution Exploring Operation: 102-36=66, Resulting Numbers: [66] 66,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 83:[81, 147], Operations: ['19+83=102', '45+102=147'] Exploring Operation: 147-81=66, Resulting Numbers: [66] 66,83 unequal: No Solution Exploring Operation: 81*147=11907, Resulting Numbers: [11907] 11907,83 unequal: No Solution Exploring Operation: 81+147=228, Resulting Numbers: [228] 228,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[45, 81, 64], Operations: ['83-19=64'] Exploring Operation: 81-45=36, Resulting Numbers: [64, 36] Generated Node #0,1,0: 83:[64, 36] Operation: 81-45=36 Exploring Operation: 45+81=126, Resulting Numbers: [64, 126] Generated Node #0,1,1: 83:[64, 126] Operation: 45+81=126 Exploring Operation: 45+64=109, Resulting Numbers: [81, 109] Generated Node #0,1,2: 83:[81, 109] Operation: 45+64=109 Exploring Operation: 64-45=19, Resulting Numbers: [81, 19] Generated Node #0,1,3: 83:[81, 19] Operation: 64-45=19 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 83:[81, 109], Operations: ['83-19=64', '45+64=109'] Exploring Operation: 81*109=8829, Resulting Numbers: [8829] 8829,83 unequal: No Solution Exploring Operation: 81+109=190, Resulting Numbers: [190] 190,83 unequal: No Solution Exploring Operation: 109-81=28, Resulting Numbers: [28] 28,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 83:[64, 126], Operations: ['83-19=64', '45+81=126'] Exploring Operation: 64*126=8064, Resulting Numbers: [8064] 8064,83 unequal: No Solution Exploring Operation: 126-64=62, Resulting Numbers: [62] 62,83 unequal: No Solution Exploring Operation: 64+126=190, Resulting Numbers: [190] 190,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 83:[64, 36], Operations: ['83-19=64', '81-45=36'] Exploring Operation: 64*36=2304, Resulting Numbers: [2304] 2304,83 unequal: No Solution Exploring Operation: 64-36=28, Resulting Numbers: [28] 28,83 unequal: No Solution Exploring Operation: 64+36=100, Resulting Numbers: [100] 100,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 83:[81, 19], Operations: ['83-19=64', '64-45=19'] Exploring Operation: 81+19=100, Resulting Numbers: [100] 100,83 unequal: No Solution Exploring Operation: 81*19=1539, Resulting Numbers: [1539] 1539,83 unequal: No Solution Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,83 unequal: No Solution 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
[ 51, 57, 60, 7 ]
24
[ "51+57=108", "60+108=168", "168/7=24" ]
Current State: 24:[51, 57, 60, 7], Operations: [] Exploring Operation: 51+57=108, Resulting Numbers: [60, 7, 108] Generated Node #2: [60, 7, 108] from Operation: 51+57=108 Current State: 24:[60, 7, 108], Operations: ['51+57=108'] Exploring Operation: 60+108=168, Resulting Numbers: [7, 168] Generated Node #3: [7, 168] from Operation: 60+108=168 Current State: 24:[7, 168], Operations: ['51+57=108', '60+108=168'] Exploring Operation: 168/7=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[51, 57, 60, 7], Operations: [] Exploring Operation: 60-57=3, Resulting Numbers: [51, 7, 3] Generated Node #0,0: 24:[51, 7, 3] Operation: 60-57=3 Exploring Operation: 57-51=6, Resulting Numbers: [60, 7, 6] Generated Node #0,1: 24:[60, 7, 6] Operation: 57-51=6 Exploring Operation: 60-51=9, Resulting Numbers: [57, 7, 9] Generated Node #0,2: 24:[57, 7, 9] Operation: 60-51=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[51, 7, 3], Operations: ['60-57=3'] Exploring Operation: 51-7=44, Resulting Numbers: [3, 44] Generated Node #0,0,0: 24:[3, 44] Operation: 51-7=44 Exploring Operation: 51/3=17, Resulting Numbers: [7, 17] Generated Node #0,0,1: 24:[7, 17] Operation: 51/3=17 Exploring Operation: 51-3=48, Resulting Numbers: [7, 48] Generated Node #0,0,2: 24:[7, 48] Operation: 51-3=48 Moving to Node #0,0,1 Current State: 24:[7, 17], Operations: ['60-57=3', '51/3=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[51, 57, 60, 7], Operations: [] Exploring Operation: 60-57=3, Resulting Numbers: [51, 7, 3] Generated Node #0,0: 24:[51, 7, 3] Operation: 60-57=3 Moving to Node #0,0 Current State: 24:[51, 7, 3], Operations: ['60-57=3'] Exploring Operation: 51/3=17, Resulting Numbers: [7, 17] Generated Node #0,0,1: 24:[7, 17] Operation: 51/3=17 Moving to Node #0,0,1 Current State: 24:[7, 17], Operations: ['60-57=3', '51/3=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 99, 89, 95, 67 ]
39
[ "99-95=4", "89+67=156", "156/4=39" ]
Current State: 39:[99, 89, 95, 67], Operations: [] Exploring Operation: 99-95=4, Resulting Numbers: [89, 67, 4] Generated Node #2: [89, 67, 4] from Operation: 99-95=4 Current State: 39:[89, 67, 4], Operations: ['99-95=4'] Exploring Operation: 89+67=156, Resulting Numbers: [4, 156] Generated Node #3: [4, 156] from Operation: 89+67=156 Current State: 39:[4, 156], Operations: ['99-95=4', '89+67=156'] Exploring Operation: 156/4=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[99, 89, 95, 67], Operations: [] Exploring Operation: 99-89=10, Resulting Numbers: [95, 67, 10] Generated Node #0,0: 39:[95, 67, 10] Operation: 99-89=10 Exploring Operation: 99-95=4, Resulting Numbers: [89, 67, 4] Generated Node #0,1: 39:[89, 67, 4] Operation: 99-95=4 Exploring Operation: 95-67=28, Resulting Numbers: [99, 89, 28] Generated Node #0,2: 39:[99, 89, 28] Operation: 95-67=28 Exploring Operation: 95-89=6, Resulting Numbers: [99, 67, 6] Generated Node #0,3: 39:[99, 67, 6] Operation: 95-89=6 Exploring Operation: 99-67=32, Resulting Numbers: [89, 95, 32] Generated Node #0,4: 39:[89, 95, 32] Operation: 99-67=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[89, 67, 4], Operations: ['99-95=4'] Exploring Operation: 67-4=63, Resulting Numbers: [89, 63] Generated Node #0,1,0: 39:[89, 63] Operation: 67-4=63 Exploring Operation: 89-67=22, Resulting Numbers: [4, 22] Generated Node #0,1,1: 39:[4, 22] Operation: 89-67=22 Exploring Operation: 89+4=93, Resulting Numbers: [67, 93] Generated Node #0,1,2: 39:[67, 93] Operation: 89+4=93 Exploring Operation: 67+4=71, Resulting Numbers: [89, 71] Generated Node #0,1,3: 39:[89, 71] Operation: 67+4=71 Exploring Operation: 89-4=85, Resulting Numbers: [67, 85] Generated Node #0,1,4: 39:[67, 85] Operation: 89-4=85 Moving to Node #0,1,1 Current State: 39:[4, 22], Operations: ['99-95=4', '89-67=22'] Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,39 unequal: No Solution Moving to Node #0,1,4 Current State: 39:[67, 85], Operations: ['99-95=4', '89-4=85'] Exploring Operation: 67+85=152, Resulting Numbers: [152] 152,39 unequal: No Solution Exploring Operation: 85-67=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 67*85=5695, Resulting Numbers: [5695] 5695,39 unequal: No Solution Moving to Node #0,1,0 Current State: 39:[89, 63], Operations: ['99-95=4', '67-4=63'] Exploring Operation: 89+63=152, Resulting Numbers: [152] 152,39 unequal: No Solution Exploring Operation: 89*63=5607, Resulting Numbers: [5607] 5607,39 unequal: No Solution Exploring Operation: 89-63=26, Resulting Numbers: [26] 26,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[67, 93], Operations: ['99-95=4', '89+4=93'] Exploring Operation: 67+93=160, Resulting Numbers: [160] 160,39 unequal: No Solution Exploring Operation: 93-67=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 67*93=6231, Resulting Numbers: [6231] 6231,39 unequal: No Solution Moving to Node #0,1,3 Current State: 39:[89, 71], Operations: ['99-95=4', '67+4=71'] Exploring Operation: 89*71=6319, Resulting Numbers: [6319] 6319,39 unequal: No Solution Exploring Operation: 89-71=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 89+71=160, Resulting Numbers: [160] 160,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[95, 67, 10], Operations: ['99-89=10'] Exploring Operation: 67+10=77, Resulting Numbers: [95, 77] Generated Node #0,0,0: 39:[95, 77] Operation: 67+10=77 Exploring Operation: 95-10=85, Resulting Numbers: [67, 85] Generated Node #0,0,1: 39:[67, 85] Operation: 95-10=85 Exploring Operation: 67-10=57, Resulting Numbers: [95, 57] Generated Node #0,0,2: 39:[95, 57] Operation: 67-10=57 Exploring Operation: 95+10=105, Resulting Numbers: [67, 105] Generated Node #0,0,3: 39:[67, 105] Operation: 95+10=105 Exploring Operation: 95-67=28, Resulting Numbers: [10, 28] Generated Node #0,0,4: 39:[10, 28] Operation: 95-67=28 Moving to Node #0,0,4 Current State: 39:[10, 28], Operations: ['99-89=10', '95-67=28'] Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 10*28=280, Resulting Numbers: [280] 280,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[95, 57], Operations: ['99-89=10', '67-10=57'] Exploring Operation: 95-57=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 95*57=5415, Resulting Numbers: [5415] 5415,39 unequal: No Solution Exploring Operation: 95+57=152, Resulting Numbers: [152] 152,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[67, 85], Operations: ['99-89=10', '95-10=85'] Exploring Operation: 67*85=5695, Resulting Numbers: [5695] 5695,39 unequal: No Solution Exploring Operation: 67+85=152, Resulting Numbers: [152] 152,39 unequal: No Solution Exploring Operation: 85-67=18, Resulting Numbers: [18] 18,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[95, 77], Operations: ['99-89=10', '67+10=77'] Exploring Operation: 95+77=172, Resulting Numbers: [172] 172,39 unequal: No Solution Exploring Operation: 95-77=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 95*77=7315, Resulting Numbers: [7315] 7315,39 unequal: No Solution Moving to Node #0,0,3 Current State: 39:[67, 105], Operations: ['99-89=10', '95+10=105'] Exploring Operation: 105-67=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 67+105=172, Resulting Numbers: [172] 172,39 unequal: No Solution Exploring Operation: 67*105=7035, Resulting Numbers: [7035] 7035,39 unequal: No Solution No 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: 39:[99, 67, 6], Operations: ['95-89=6'] Exploring Operation: 99-67=32, Resulting Numbers: [6, 32] Generated Node #0,3,0: 39:[6, 32] Operation: 99-67=32 Exploring Operation: 99+6=105, Resulting Numbers: [67, 105] Generated Node #0,3,1: 39:[67, 105] Operation: 99+6=105 Exploring Operation: 67-6=61, Resulting Numbers: [99, 61] Generated Node #0,3,2: 39:[99, 61] Operation: 67-6=61 Exploring Operation: 99-6=93, Resulting Numbers: [67, 93] Generated Node #0,3,3: 39:[67, 93] Operation: 99-6=93 Exploring Operation: 67+6=73, Resulting Numbers: [99, 73] Generated Node #0,3,4: 39:[99, 73] Operation: 67+6=73 Moving to Node #0,3,0 Current State: 39:[6, 32], Operations: ['95-89=6', '99-67=32'] Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,39 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,39 unequal: No Solution Moving to Node #0,3,3 Current State: 39:[67, 93], Operations: ['95-89=6', '99-6=93'] Exploring Operation: 67*93=6231, Resulting Numbers: [6231] 6231,39 unequal: No Solution Exploring Operation: 93-67=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 67+93=160, Resulting Numbers: [160] 160,39 unequal: No Solution Moving to Node #0,3,2 Current State: 39:[99, 61], Operations: ['95-89=6', '67-6=61'] Exploring Operation: 99*61=6039, Resulting Numbers: [6039] 6039,39 unequal: No Solution Exploring Operation: 99-61=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 99+61=160, Resulting Numbers: [160] 160,39 unequal: No Solution Moving to Node #0,3,1 Current State: 39:[67, 105], Operations: ['95-89=6', '99+6=105'] Exploring Operation: 105-67=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 67+105=172, Resulting Numbers: [172] 172,39 unequal: No Solution Exploring Operation: 67*105=7035, Resulting Numbers: [7035] 7035,39 unequal: No Solution Moving to Node #0,3,4 Current State: 39:[99, 73], Operations: ['95-89=6', '67+6=73'] Exploring Operation: 99*73=7227, Resulting Numbers: [7227] 7227,39 unequal: No Solution Exploring Operation: 99+73=172, Resulting Numbers: [172] 172,39 unequal: No Solution Exploring Operation: 99-73=26, Resulting Numbers: [26] 26,39 unequal: No Solution No 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: 39:[89, 95, 32], Operations: ['99-67=32'] Exploring Operation: 89+32=121, Resulting Numbers: [95, 121] Generated Node #0,4,0: 39:[95, 121] Operation: 89+32=121 Exploring Operation: 95+32=127, Resulting Numbers: [89, 127] Generated Node #0,4,1: 39:[89, 127] Operation: 95+32=127 Exploring Operation: 95-32=63, Resulting Numbers: [89, 63] Generated Node #0,4,2: 39:[89, 63] Operation: 95-32=63 Exploring Operation: 89-32=57, Resulting Numbers: [95, 57] Generated Node #0,4,3: 39:[95, 57] Operation: 89-32=57 Exploring Operation: 95-89=6, Resulting Numbers: [32, 6] Generated Node #0,4,4: 39:[32, 6] Operation: 95-89=6 Moving to Node #0,4,4 Current State: 39:[32, 6], Operations: ['99-67=32', '95-89=6'] Exploring Operation: 32+6=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 32*6=192, Resulting Numbers: [192] 192,39 unequal: No Solution Moving to Node #0,4,3 Current State: 39:[95, 57], Operations: ['99-67=32', '89-32=57'] Exploring Operation: 95-57=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 95+57=152, Resulting Numbers: [152] 152,39 unequal: No Solution Exploring Operation: 95*57=5415, Resulting Numbers: [5415] 5415,39 unequal: No Solution Moving to Node #0,4,2 Current State: 39:[89, 63], Operations: ['99-67=32', '95-32=63'] Exploring Operation: 89-63=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 89*63=5607, Resulting Numbers: [5607] 5607,39 unequal: No Solution Exploring Operation: 89+63=152, Resulting Numbers: [152] 152,39 unequal: No Solution Moving to Node #0,4,0 Current State: 39:[95, 121], Operations: ['99-67=32', '89+32=121'] Exploring Operation: 121-95=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 95*121=11495, Resulting Numbers: [11495] 11495,39 unequal: No Solution Exploring Operation: 95+121=216, Resulting Numbers: [216] 216,39 unequal: No Solution Moving to Node #0,4,1 Current State: 39:[89, 127], Operations: ['99-67=32', '95+32=127'] Exploring Operation: 89*127=11303, Resulting Numbers: [11303] 11303,39 unequal: No Solution Exploring Operation: 89+127=216, Resulting Numbers: [216] 216,39 unequal: No Solution Exploring Operation: 127-89=38, Resulting Numbers: [38] 38,39 unequal: No Solution No 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: 39:[99, 89, 28], Operations: ['95-67=28'] Exploring Operation: 99+28=127, Resulting Numbers: [89, 127] Generated Node #0,2,0: 39:[89, 127] Operation: 99+28=127 Exploring Operation: 89-28=61, Resulting Numbers: [99, 61] Generated Node #0,2,1: 39:[99, 61] Operation: 89-28=61 Exploring Operation: 99-89=10, Resulting Numbers: [28, 10] Generated Node #0,2,2: 39:[28, 10] Operation: 99-89=10 Exploring Operation: 89+28=117, Resulting Numbers: [99, 117] Generated Node #0,2,3: 39:[99, 117] Operation: 89+28=117 Exploring Operation: 99-28=71, Resulting Numbers: [89, 71] Generated Node #0,2,4: 39:[89, 71] Operation: 99-28=71 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 39:[28, 10], Operations: ['95-67=28', '99-89=10'] Exploring Operation: 28+10=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 28*10=280, Resulting Numbers: [280] 280,39 unequal: No Solution Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 39:[99, 61], Operations: ['95-67=28', '89-28=61'] Exploring Operation: 99-61=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 99+61=160, Resulting Numbers: [160] 160,39 unequal: No Solution Exploring Operation: 99*61=6039, Resulting Numbers: [6039] 6039,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 39:[89, 71], Operations: ['95-67=28', '99-28=71'] Exploring Operation: 89*71=6319, Resulting Numbers: [6319] 6319,39 unequal: No Solution Exploring Operation: 89+71=160, Resulting Numbers: [160] 160,39 unequal: No Solution Exploring Operation: 89-71=18, Resulting Numbers: [18] 18,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 39:[89, 127], Operations: ['95-67=28', '99+28=127'] Exploring Operation: 89*127=11303, Resulting Numbers: [11303] 11303,39 unequal: No Solution Exploring Operation: 89+127=216, Resulting Numbers: [216] 216,39 unequal: No Solution Exploring Operation: 127-89=38, Resulting Numbers: [38] 38,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 39:[99, 117], Operations: ['95-67=28', '89+28=117'] Exploring Operation: 99+117=216, Resulting Numbers: [216] 216,39 unequal: No Solution Exploring Operation: 117-99=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 99*117=11583, Resulting Numbers: [11583] 11583,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic