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
[ 32, 7, 83, 99 ]
55
[ "32+7=39", "99-83=16", "39+16=55" ]
Current State: 55:[32, 7, 83, 99], Operations: [] Exploring Operation: 32+7=39, Resulting Numbers: [83, 99, 39] Generated Node #2: [83, 99, 39] from Operation: 32+7=39 Current State: 55:[83, 99, 39], Operations: ['32+7=39'] Exploring Operation: 99-83=16, Resulting Numbers: [39, 16] Generated Node #3: [39, 16] from Operation: 99-83=16 Current State: 55:[39, 16], Operations: ['32+7=39', '99-83=16'] Exploring Operation: 39+16=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[32, 7, 83, 99], Operations: [] Exploring Operation: 99-32=67, Resulting Numbers: [7, 83, 67] Generated Node #0,0: 55:[7, 83, 67] Operation: 99-32=67 Exploring Operation: 99-83=16, Resulting Numbers: [32, 7, 16] Generated Node #0,1: 55:[32, 7, 16] Operation: 99-83=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[32, 7, 16], Operations: ['99-83=16'] Exploring Operation: 32-16=16, Resulting Numbers: [7, 16] Generated Node #0,1,0: 55:[7, 16] Operation: 32-16=16 Exploring Operation: 32/16=2, Resulting Numbers: [7, 2] Generated Node #0,1,1: 55:[7, 2] Operation: 32/16=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 55:[7, 2], Operations: ['99-83=16', '32/16=2'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[7, 16], Operations: ['99-83=16', '32-16=16'] Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,55 unequal: No Solution Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[7, 83, 67], Operations: ['99-32=67'] Exploring Operation: 83-67=16, Resulting Numbers: [7, 16] Generated Node #0,0,0: 55:[7, 16] Operation: 83-67=16 Exploring Operation: 83-7=76, Resulting Numbers: [67, 76] Generated Node #0,0,1: 55:[67, 76] Operation: 83-7=76 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 55:[7, 16], Operations: ['99-32=67', '83-67=16'] Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,55 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 55:[67, 76], Operations: ['99-32=67', '83-7=76'] Exploring Operation: 67+76=143, Resulting Numbers: [143] 143,55 unequal: No Solution Exploring Operation: 76-67=9, Resulting Numbers: [9] 9,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 58, 25, 4, 80 ]
12
[ "58+25=83", "83-80=3", "4*3=12" ]
Current State: 12:[58, 25, 4, 80], Operations: [] Exploring Operation: 58+25=83, Resulting Numbers: [4, 80, 83] Generated Node #2: [4, 80, 83] from Operation: 58+25=83 Current State: 12:[4, 80, 83], Operations: ['58+25=83'] Exploring Operation: 83-80=3, Resulting Numbers: [4, 3] Generated Node #3: [4, 3] from Operation: 83-80=3 Current State: 12:[4, 3], Operations: ['58+25=83', '83-80=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[58, 25, 4, 80], Operations: [] Exploring Operation: 58-25=33, Resulting Numbers: [4, 80, 33] Generated Node #0,0: 12:[4, 80, 33] Operation: 58-25=33 Exploring Operation: 58-4=54, Resulting Numbers: [25, 80, 54] Generated Node #0,1: 12:[25, 80, 54] Operation: 58-4=54 Exploring Operation: 80-58=22, Resulting Numbers: [25, 4, 22] Generated Node #0,2: 12:[25, 4, 22] Operation: 80-58=22 Exploring Operation: 80/4=20, Resulting Numbers: [58, 25, 20] Generated Node #0,3: 12:[58, 25, 20] Operation: 80/4=20 Exploring Operation: 80-25=55, Resulting Numbers: [58, 4, 55] Generated Node #0,4: 12:[58, 4, 55] Operation: 80-25=55 Start Sub Search at level 1: Moving to Node #0,2 Current State: 12:[25, 4, 22], Operations: ['80-58=22'] Exploring Operation: 25-4=21, Resulting Numbers: [22, 21] Generated Node #0,2,0: 12:[22, 21] Operation: 25-4=21 Exploring Operation: 22-4=18, Resulting Numbers: [25, 18] Generated Node #0,2,1: 12:[25, 18] Operation: 22-4=18 Exploring Operation: 25-22=3, Resulting Numbers: [4, 3] Generated Node #0,2,2: 12:[4, 3] Operation: 25-22=3 Exploring Operation: 25+4=29, Resulting Numbers: [22, 29] Generated Node #0,2,3: 12:[22, 29] Operation: 25+4=29 Exploring Operation: 4+22=26, Resulting Numbers: [25, 26] Generated Node #0,2,4: 12:[25, 26] Operation: 4+22=26 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 12:[4, 3], Operations: ['80-58=22', '25-22=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[58, 25, 4, 80], Operations: [] Exploring Operation: 80-58=22, Resulting Numbers: [25, 4, 22] Generated Node #0,2: 12:[25, 4, 22] Operation: 80-58=22 Moving to Node #0,2 Current State: 12:[25, 4, 22], Operations: ['80-58=22'] Exploring Operation: 25-22=3, Resulting Numbers: [4, 3] Generated Node #0,2,2: 12:[4, 3] Operation: 25-22=3 Moving to Node #0,2,2 Current State: 12:[4, 3], Operations: ['80-58=22', '25-22=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 95, 42, 78, 65 ]
90
[ "95-42=53", "78+65=143", "143-53=90" ]
Current State: 90:[95, 42, 78, 65], Operations: [] Exploring Operation: 95-42=53, Resulting Numbers: [78, 65, 53] Generated Node #2: [78, 65, 53] from Operation: 95-42=53 Current State: 90:[78, 65, 53], Operations: ['95-42=53'] Exploring Operation: 78+65=143, Resulting Numbers: [53, 143] Generated Node #3: [53, 143] from Operation: 78+65=143 Current State: 90:[53, 143], Operations: ['95-42=53', '78+65=143'] Exploring Operation: 143-53=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[95, 42, 78, 65], Operations: [] Exploring Operation: 95-65=30, Resulting Numbers: [42, 78, 30] Generated Node #0,0: 90:[42, 78, 30] Operation: 95-65=30 Exploring Operation: 78-65=13, Resulting Numbers: [95, 42, 13] Generated Node #0,1: 90:[95, 42, 13] Operation: 78-65=13 Moving to Node #0,1 Current State: 90:[95, 42, 13], Operations: ['78-65=13'] Exploring Operation: 95-42=53, Resulting Numbers: [13, 53] Generated Node #0,1,0: 90:[13, 53] Operation: 95-42=53 Exploring Operation: 42-13=29, Resulting Numbers: [95, 29] Generated Node #0,1,1: 90:[95, 29] Operation: 42-13=29 Moving to Node #0,0 Current State: 90:[42, 78, 30], Operations: ['95-65=30'] Exploring Operation: 78-42=36, Resulting Numbers: [30, 36] Generated Node #0,0,0: 90:[30, 36] Operation: 78-42=36 Exploring Operation: 78-30=48, Resulting Numbers: [42, 48] Generated Node #0,0,1: 90:[42, 48] Operation: 78-30=48 Moving to Node #0,1,1 Current State: 90:[95, 29], Operations: ['78-65=13', '42-13=29'] Exploring Operation: 95-29=66, Resulting Numbers: [66] 66,90 unequal: No Solution Exploring Operation: 95+29=124, Resulting Numbers: [124] 124,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[30, 36], Operations: ['95-65=30', '78-42=36'] Exploring Operation: 30+36=66, Resulting Numbers: [66] 66,90 unequal: No Solution Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[42, 48], Operations: ['95-65=30', '78-30=48'] Exploring Operation: 42+48=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[95, 42, 78, 65], Operations: [] Exploring Operation: 95-65=30, Resulting Numbers: [42, 78, 30] Generated Node #0,0: 90:[42, 78, 30] Operation: 95-65=30 Moving to Node #0,0 Current State: 90:[42, 78, 30], Operations: ['95-65=30'] Exploring Operation: 78-30=48, Resulting Numbers: [42, 48] Generated Node #0,0,1: 90:[42, 48] Operation: 78-30=48 Moving to Node #0,0,1 Current State: 90:[42, 48], Operations: ['95-65=30', '78-30=48'] Exploring Operation: 42+48=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 60, 7, 9, 64 ]
60
[ "7*9=63", "64-63=1", "60*1=60" ]
Current State: 60:[60, 7, 9, 64], Operations: [] Exploring Operation: 7*9=63, Resulting Numbers: [60, 64, 63] Generated Node #2: [60, 64, 63] from Operation: 7*9=63 Current State: 60:[60, 64, 63], Operations: ['7*9=63'] Exploring Operation: 64-63=1, Resulting Numbers: [60, 1] Generated Node #3: [60, 1] from Operation: 64-63=1 Current State: 60:[60, 1], Operations: ['7*9=63', '64-63=1'] Exploring Operation: 60*1=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[60, 7, 9, 64], Operations: [] Exploring Operation: 64-60=4, Resulting Numbers: [7, 9, 4] Generated Node #0,0: 60:[7, 9, 4] Operation: 64-60=4 Moving to Node #0,0 Current State: 60:[7, 9, 4], Operations: ['64-60=4'] Exploring Operation: 9-7=2, Resulting Numbers: [4, 2] Generated Node #0,0,0: 60:[4, 2] Operation: 9-7=2 Moving to Node #0,0,0 Current State: 60:[4, 2], Operations: ['64-60=4', '9-7=2'] Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,60 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 95, 17, 19, 15 ]
65
[ "19-17=2", "15*2=30", "95-30=65" ]
Current State: 65:[95, 17, 19, 15], Operations: [] Exploring Operation: 19-17=2, Resulting Numbers: [95, 15, 2] Generated Node #2: [95, 15, 2] from Operation: 19-17=2 Current State: 65:[95, 15, 2], Operations: ['19-17=2'] Exploring Operation: 15*2=30, Resulting Numbers: [95, 30] Generated Node #3: [95, 30] from Operation: 15*2=30 Current State: 65:[95, 30], Operations: ['19-17=2', '15*2=30'] Exploring Operation: 95-30=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[95, 17, 19, 15], Operations: [] Exploring Operation: 95/19=5, Resulting Numbers: [17, 15, 5] Generated Node #0,0: 65:[17, 15, 5] Operation: 95/19=5 Exploring Operation: 95-19=76, Resulting Numbers: [17, 15, 76] Generated Node #0,1: 65:[17, 15, 76] Operation: 95-19=76 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[17, 15, 5], Operations: ['95/19=5'] Exploring Operation: 17-15=2, Resulting Numbers: [5, 2] Generated Node #0,0,0: 65:[5, 2] Operation: 17-15=2 Exploring Operation: 17-5=12, Resulting Numbers: [15, 12] Generated Node #0,0,1: 65:[15, 12] Operation: 17-5=12 Moving to Node #0,0,0 Current State: 65:[5, 2], Operations: ['95/19=5', '17-15=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[15, 12], Operations: ['95/19=5', '17-5=12'] Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,65 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[17, 15, 76], Operations: ['95-19=76'] Exploring Operation: 76-17=59, Resulting Numbers: [15, 59] Generated Node #0,1,0: 65:[15, 59] Operation: 76-17=59 Exploring Operation: 76-15=61, Resulting Numbers: [17, 61] Generated Node #0,1,1: 65:[17, 61] Operation: 76-15=61 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 65:[15, 59], Operations: ['95-19=76', '76-17=59'] Exploring Operation: 59-15=44, Resulting Numbers: [44] 44,65 unequal: No Solution Exploring Operation: 15+59=74, Resulting Numbers: [74] 74,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 65:[17, 61], Operations: ['95-19=76', '76-15=61'] Exploring Operation: 17+61=78, Resulting Numbers: [78] 78,65 unequal: No Solution Exploring Operation: 61-17=44, Resulting Numbers: [44] 44,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 43, 19, 4, 31 ]
67
[ "43-31=12", "4*12=48", "19+48=67" ]
Current State: 67:[43, 19, 4, 31], Operations: [] Exploring Operation: 43-31=12, Resulting Numbers: [19, 4, 12] Generated Node #2: [19, 4, 12] from Operation: 43-31=12 Current State: 67:[19, 4, 12], Operations: ['43-31=12'] Exploring Operation: 4*12=48, Resulting Numbers: [19, 48] Generated Node #3: [19, 48] from Operation: 4*12=48 Current State: 67:[19, 48], Operations: ['43-31=12', '4*12=48'] Exploring Operation: 19+48=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[43, 19, 4, 31], Operations: [] Exploring Operation: 19*4=76, Resulting Numbers: [43, 31, 76] Generated Node #0,0: 67:[43, 31, 76] Operation: 19*4=76 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[43, 31, 76], Operations: ['19*4=76'] Exploring Operation: 43+31=74, Resulting Numbers: [76, 74] Generated Node #0,0,0: 67:[76, 74] Operation: 43+31=74 Moving to Node #0,0,0 Current State: 67:[76, 74], Operations: ['19*4=76', '43+31=74'] Exploring Operation: 76-74=2, Resulting Numbers: [2] 2,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 50, 71, 14, 4 ]
35
[ "71-50=21", "14*4=56", "56-21=35" ]
Current State: 35:[50, 71, 14, 4], Operations: [] Exploring Operation: 71-50=21, Resulting Numbers: [14, 4, 21] Generated Node #2: [14, 4, 21] from Operation: 71-50=21 Current State: 35:[14, 4, 21], Operations: ['71-50=21'] Exploring Operation: 14*4=56, Resulting Numbers: [21, 56] Generated Node #3: [21, 56] from Operation: 14*4=56 Current State: 35:[21, 56], Operations: ['71-50=21', '14*4=56'] Exploring Operation: 56-21=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[50, 71, 14, 4], Operations: [] Exploring Operation: 71-14=57, Resulting Numbers: [50, 4, 57] Generated Node #0,0: 35:[50, 4, 57] Operation: 71-14=57 Exploring Operation: 71-50=21, Resulting Numbers: [14, 4, 21] Generated Node #0,1: 35:[14, 4, 21] Operation: 71-50=21 Exploring Operation: 50-14=36, Resulting Numbers: [71, 4, 36] Generated Node #0,2: 35:[71, 4, 36] Operation: 50-14=36 Moving to Node #0,1 Current State: 35:[14, 4, 21], Operations: ['71-50=21'] Exploring Operation: 14-4=10, Resulting Numbers: [21, 10] Generated Node #0,1,0: 35:[21, 10] Operation: 14-4=10 Exploring Operation: 14+21=35, Resulting Numbers: [4, 35] Generated Node #0,1,1: 35:[4, 35] Operation: 14+21=35 Exploring Operation: 21-14=7, Resulting Numbers: [4, 7] Generated Node #0,1,2: 35:[4, 7] Operation: 21-14=7 Moving to Node #0,0 Current State: 35:[50, 4, 57], Operations: ['71-14=57'] Exploring Operation: 57-4=53, Resulting Numbers: [50, 53] Generated Node #0,0,0: 35:[50, 53] Operation: 57-4=53 Exploring Operation: 50-4=46, Resulting Numbers: [57, 46] Generated Node #0,0,1: 35:[57, 46] Operation: 50-4=46 Exploring Operation: 57-50=7, Resulting Numbers: [4, 7] Generated Node #0,0,2: 35:[4, 7] Operation: 57-50=7 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 35:[4, 7], Operations: ['71-14=57', '57-50=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[50, 53], Operations: ['71-14=57', '57-4=53'] Exploring Operation: 50*53=2650, Resulting Numbers: [2650] 2650,35 unequal: No Solution Exploring Operation: 50+53=103, Resulting Numbers: [103] 103,35 unequal: No Solution Exploring Operation: 53-50=3, Resulting Numbers: [3] 3,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 35:[57, 46], Operations: ['71-14=57', '50-4=46'] Exploring Operation: 57+46=103, Resulting Numbers: [103] 103,35 unequal: No Solution Exploring Operation: 57-46=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 57*46=2622, Resulting Numbers: [2622] 2622,35 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:[71, 4, 36], Operations: ['50-14=36'] Exploring Operation: 36/4=9, Resulting Numbers: [71, 9] Generated Node #0,2,0: 35:[71, 9] Operation: 36/4=9 Exploring Operation: 71-4=67, Resulting Numbers: [36, 67] Generated Node #0,2,1: 35:[36, 67] Operation: 71-4=67 Exploring Operation: 71-36=35, Resulting Numbers: [4, 35] Generated Node #0,2,2: 35:[4, 35] Operation: 71-36=35 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 35:[4, 35], Operations: ['50-14=36', '71-36=35'] Exploring Operation: 4+35=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 4*35=140, Resulting Numbers: [140] 140,35 unequal: No Solution Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,35 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:[36, 67], Operations: ['50-14=36', '71-4=67'] Exploring Operation: 67-36=31, Resulting Numbers: [31] 31,35 unequal: No Solution Exploring Operation: 36*67=2412, Resulting Numbers: [2412] 2412,35 unequal: No Solution Exploring Operation: 36+67=103, Resulting Numbers: [103] 103,35 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:[71, 9], Operations: ['50-14=36', '36/4=9'] Exploring Operation: 71*9=639, Resulting Numbers: [639] 639,35 unequal: No Solution Exploring Operation: 71-9=62, Resulting Numbers: [62] 62,35 unequal: No Solution Exploring Operation: 71+9=80, Resulting Numbers: [80] 80,35 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: 35:[4, 35], Operations: ['71-50=21', '14+21=35'] Exploring Operation: 4*35=140, Resulting Numbers: [140] 140,35 unequal: No Solution Exploring Operation: 35-4=31, Resulting Numbers: [31] 31,35 unequal: No Solution Exploring Operation: 4+35=39, Resulting Numbers: [39] 39,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[4, 7], Operations: ['71-50=21', '21-14=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,35 unequal: No Solution Moving to Node #0,1,0 Current State: 35:[21, 10], Operations: ['71-50=21', '14-4=10'] Exploring Operation: 21*10=210, Resulting Numbers: [210] 210,35 unequal: No Solution Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 21+10=31, Resulting Numbers: [31] 31,35 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 75, 45, 85, 69 ]
46
[ "75-45=30", "85-69=16", "30+16=46" ]
Current State: 46:[75, 45, 85, 69], Operations: [] Exploring Operation: 75-45=30, Resulting Numbers: [85, 69, 30] Generated Node #2: [85, 69, 30] from Operation: 75-45=30 Current State: 46:[85, 69, 30], Operations: ['75-45=30'] Exploring Operation: 85-69=16, Resulting Numbers: [30, 16] Generated Node #3: [30, 16] from Operation: 85-69=16 Current State: 46:[30, 16], Operations: ['75-45=30', '85-69=16'] Exploring Operation: 30+16=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[75, 45, 85, 69], Operations: [] Exploring Operation: 75-69=6, Resulting Numbers: [45, 85, 6] Generated Node #0,0: 46:[45, 85, 6] Operation: 75-69=6 Exploring Operation: 85-75=10, Resulting Numbers: [45, 69, 10] Generated Node #0,1: 46:[45, 69, 10] Operation: 85-75=10 Exploring Operation: 85-69=16, Resulting Numbers: [75, 45, 16] Generated Node #0,2: 46:[75, 45, 16] Operation: 85-69=16 Moving to Node #0,1 Current State: 46:[45, 69, 10], Operations: ['85-75=10'] Exploring Operation: 45+10=55, Resulting Numbers: [69, 55] Generated Node #0,1,0: 46:[69, 55] Operation: 45+10=55 Exploring Operation: 69-10=59, Resulting Numbers: [45, 59] Generated Node #0,1,1: 46:[45, 59] Operation: 69-10=59 Exploring Operation: 69-45=24, Resulting Numbers: [10, 24] Generated Node #0,1,2: 46:[10, 24] Operation: 69-45=24 Moving to Node #0,2 Current State: 46:[75, 45, 16], Operations: ['85-69=16'] Exploring Operation: 75-45=30, Resulting Numbers: [16, 30] Generated Node #0,2,0: 46:[16, 30] Operation: 75-45=30 Exploring Operation: 75-16=59, Resulting Numbers: [45, 59] Generated Node #0,2,1: 46:[45, 59] Operation: 75-16=59 Exploring Operation: 45-16=29, Resulting Numbers: [75, 29] Generated Node #0,2,2: 46:[75, 29] Operation: 45-16=29 Moving to Node #0,0 Current State: 46:[45, 85, 6], Operations: ['75-69=6'] Exploring Operation: 85-45=40, Resulting Numbers: [6, 40] Generated Node #0,0,0: 46:[6, 40] Operation: 85-45=40 Exploring Operation: 85-6=79, Resulting Numbers: [45, 79] Generated Node #0,0,1: 46:[45, 79] Operation: 85-6=79 Exploring Operation: 45+6=51, Resulting Numbers: [85, 51] Generated Node #0,0,2: 46:[85, 51] Operation: 45+6=51 Moving to Node #0,1,2 Current State: 46:[10, 24], Operations: ['85-75=10', '69-45=24'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,46 unequal: No Solution Exploring Operation: 10*24=240, Resulting Numbers: [240] 240,46 unequal: No Solution Exploring Operation: 10+24=34, Resulting Numbers: [34] 34,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[6, 40], Operations: ['75-69=6', '85-45=40'] Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[75, 45, 85, 69], Operations: [] Exploring Operation: 75-69=6, Resulting Numbers: [45, 85, 6] Generated Node #0,0: 46:[45, 85, 6] Operation: 75-69=6 Moving to Node #0,0 Current State: 46:[45, 85, 6], Operations: ['75-69=6'] Exploring Operation: 85-45=40, Resulting Numbers: [6, 40] Generated Node #0,0,0: 46:[6, 40] Operation: 85-45=40 Moving to Node #0,0,0 Current State: 46:[6, 40], Operations: ['75-69=6', '85-45=40'] Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
0.981771
hs_3
mult_heuristic
[ 63, 1, 47, 82 ]
65
[ "63+1=64", "47+82=129", "129-64=65" ]
Current State: 65:[63, 1, 47, 82], Operations: [] Exploring Operation: 63+1=64, Resulting Numbers: [47, 82, 64] Generated Node #2: [47, 82, 64] from Operation: 63+1=64 Current State: 65:[47, 82, 64], Operations: ['63+1=64'] Exploring Operation: 47+82=129, Resulting Numbers: [64, 129] Generated Node #3: [64, 129] from Operation: 47+82=129 Current State: 65:[64, 129], Operations: ['63+1=64', '47+82=129'] Exploring Operation: 129-64=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[63, 1, 47, 82], Operations: [] Exploring Operation: 82-63=19, Resulting Numbers: [1, 47, 19] Generated Node #0,0: 65:[1, 47, 19] Operation: 82-63=19 Exploring Operation: 82-47=35, Resulting Numbers: [63, 1, 35] Generated Node #0,1: 65:[63, 1, 35] Operation: 82-47=35 Exploring Operation: 63+1=64, Resulting Numbers: [47, 82, 64] Generated Node #0,2: 65:[47, 82, 64] Operation: 63+1=64 Exploring Operation: 1+47=48, Resulting Numbers: [63, 82, 48] Generated Node #0,3: 65:[63, 82, 48] Operation: 1+47=48 Exploring Operation: 63-47=16, Resulting Numbers: [1, 82, 16] Generated Node #0,4: 65:[1, 82, 16] Operation: 63-47=16 Start Sub Search at level 1: Moving to Node #0,4 Current State: 65:[1, 82, 16], Operations: ['63-47=16'] Exploring Operation: 82-16=66, Resulting Numbers: [1, 66] Generated Node #0,4,0: 65:[1, 66] Operation: 82-16=66 Exploring Operation: 16-1=15, Resulting Numbers: [82, 15] Generated Node #0,4,1: 65:[82, 15] Operation: 16-1=15 Exploring Operation: 82/1=82, Resulting Numbers: [16, 82] Generated Node #0,4,2: 65:[16, 82] Operation: 82/1=82 Exploring Operation: 82-1=81, Resulting Numbers: [16, 81] Generated Node #0,4,3: 65:[16, 81] Operation: 82-1=81 Exploring Operation: 1*82=82, Resulting Numbers: [16, 82] Generated Node #0,4,4: 65:[16, 82] Operation: 1*82=82 Moving to Node #0,4,0 Current State: 65:[1, 66], Operations: ['63-47=16', '82-16=66'] Exploring Operation: 1+66=67, Resulting Numbers: [67] 67,65 unequal: No Solution Exploring Operation: 66/1=66, Resulting Numbers: [66] 66,65 unequal: No Solution Exploring Operation: 1*66=66, Resulting Numbers: [66] 66,65 unequal: No Solution Exploring Operation: 66-1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[63, 1, 47, 82], Operations: [] Exploring Operation: 63-47=16, Resulting Numbers: [1, 82, 16] Generated Node #0,4: 65:[1, 82, 16] Operation: 63-47=16 Moving to Node #0,4 Current State: 65:[1, 82, 16], Operations: ['63-47=16'] Exploring Operation: 82-16=66, Resulting Numbers: [1, 66] Generated Node #0,4,0: 65:[1, 66] Operation: 82-16=66 Moving to Node #0,4,0 Current State: 65:[1, 66], Operations: ['63-47=16', '82-16=66'] Exploring Operation: 66-1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 28, 8, 4, 81 ]
39
[ "28*4=112", "81-8=73", "112-73=39" ]
Current State: 39:[28, 8, 4, 81], Operations: [] Exploring Operation: 28*4=112, Resulting Numbers: [8, 81, 112] Generated Node #2: [8, 81, 112] from Operation: 28*4=112 Current State: 39:[8, 81, 112], Operations: ['28*4=112'] Exploring Operation: 81-8=73, Resulting Numbers: [112, 73] Generated Node #3: [112, 73] from Operation: 81-8=73 Current State: 39:[112, 73], Operations: ['28*4=112', '81-8=73'] Exploring Operation: 112-73=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[28, 8, 4, 81], Operations: [] Exploring Operation: 28+8=36, Resulting Numbers: [4, 81, 36] Generated Node #0,0: 39:[4, 81, 36] Operation: 28+8=36 Exploring Operation: 81-8=73, Resulting Numbers: [28, 4, 73] Generated Node #0,1: 39:[28, 4, 73] Operation: 81-8=73 Exploring Operation: 81-28=53, Resulting Numbers: [8, 4, 53] Generated Node #0,2: 39:[8, 4, 53] Operation: 81-28=53 Moving to Node #0,2 Current State: 39:[8, 4, 53], Operations: ['81-28=53'] Exploring Operation: 8-4=4, Resulting Numbers: [53, 4] Generated Node #0,2,0: 39:[53, 4] Operation: 8-4=4 Exploring Operation: 53-8=45, Resulting Numbers: [4, 45] Generated Node #0,2,1: 39:[4, 45] Operation: 53-8=45 Exploring Operation: 8+4=12, Resulting Numbers: [53, 12] Generated Node #0,2,2: 39:[53, 12] Operation: 8+4=12 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 39:[4, 45], Operations: ['81-28=53', '53-8=45'] Exploring Operation: 4*45=180, Resulting Numbers: [180] 180,39 unequal: No Solution Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,39 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,39 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 #0,2,0 Current State: 39:[53, 4], Operations: ['81-28=53', '8-4=4'] Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,39 unequal: No Solution Exploring Operation: 53*4=212, Resulting Numbers: [212] 212,39 unequal: No Solution Exploring Operation: 53+4=57, Resulting Numbers: [57] 57,39 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 #0,2,2 Current State: 39:[53, 12], Operations: ['81-28=53', '8+4=12'] Exploring Operation: 53-12=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 53*12=636, Resulting Numbers: [636] 636,39 unequal: No Solution Exploring Operation: 53+12=65, Resulting Numbers: [65] 65,39 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: 39:[4, 81, 36], Operations: ['28+8=36'] Exploring Operation: 81-36=45, Resulting Numbers: [4, 45] Generated Node #0,0,0: 39:[4, 45] Operation: 81-36=45 Exploring Operation: 81-4=77, Resulting Numbers: [36, 77] Generated Node #0,0,1: 39:[36, 77] Operation: 81-4=77 Exploring Operation: 4+36=40, Resulting Numbers: [81, 40] Generated Node #0,0,2: 39:[81, 40] Operation: 4+36=40 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[4, 45], Operations: ['28+8=36', '81-36=45'] Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,39 unequal: No Solution Exploring Operation: 4*45=180, Resulting Numbers: [180] 180,39 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,39 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 #0,0,1 Current State: 39:[36, 77], Operations: ['28+8=36', '81-4=77'] Exploring Operation: 36+77=113, Resulting Numbers: [113] 113,39 unequal: No Solution Exploring Operation: 77-36=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 36*77=2772, Resulting Numbers: [2772] 2772,39 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 #0,0,2 Current State: 39:[81, 40], Operations: ['28+8=36', '4+36=40'] Exploring Operation: 81*40=3240, Resulting Numbers: [3240] 3240,39 unequal: No Solution Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 81+40=121, Resulting Numbers: [121] 121,39 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: 39:[28, 4, 73], Operations: ['81-8=73'] Exploring Operation: 28+4=32, Resulting Numbers: [73, 32] Generated Node #0,1,0: 39:[73, 32] Operation: 28+4=32 Exploring Operation: 28/4=7, Resulting Numbers: [73, 7] Generated Node #0,1,1: 39:[73, 7] Operation: 28/4=7 Exploring Operation: 73-28=45, Resulting Numbers: [4, 45] Generated Node #0,1,2: 39:[4, 45] Operation: 73-28=45 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 39:[4, 45], Operations: ['81-8=73', '73-28=45'] Exploring Operation: 4*45=180, Resulting Numbers: [180] 180,39 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,39 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 #0,1,1 Current State: 39:[73, 7], Operations: ['81-8=73', '28/4=7'] Exploring Operation: 73+7=80, Resulting Numbers: [80] 80,39 unequal: No Solution Exploring Operation: 73-7=66, Resulting Numbers: [66] 66,39 unequal: No Solution Exploring Operation: 73*7=511, Resulting Numbers: [511] 511,39 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 #0,1,0 Current State: 39:[73, 32], Operations: ['81-8=73', '28+4=32'] Exploring Operation: 73+32=105, Resulting Numbers: [105] 105,39 unequal: No Solution Exploring Operation: 73-32=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 73*32=2336, Resulting Numbers: [2336] 2336,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 16, 89, 64, 65 ]
73
[ "89-16=73", "65-64=1", "73*1=73" ]
Current State: 73:[16, 89, 64, 65], Operations: [] Exploring Operation: 89-16=73, Resulting Numbers: [64, 65, 73] Generated Node #2: [64, 65, 73] from Operation: 89-16=73 Current State: 73:[64, 65, 73], Operations: ['89-16=73'] Exploring Operation: 65-64=1, Resulting Numbers: [73, 1] Generated Node #3: [73, 1] from Operation: 65-64=1 Current State: 73:[73, 1], Operations: ['89-16=73', '65-64=1'] Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[16, 89, 64, 65], Operations: [] Exploring Operation: 16+65=81, Resulting Numbers: [89, 64, 81] Generated Node #0,0: 73:[89, 64, 81] Operation: 16+65=81 Exploring Operation: 16+89=105, Resulting Numbers: [64, 65, 105] Generated Node #0,1: 73:[64, 65, 105] Operation: 16+89=105 Exploring Operation: 16+64=80, Resulting Numbers: [89, 65, 80] Generated Node #0,2: 73:[89, 65, 80] Operation: 16+64=80 Exploring Operation: 89-16=73, Resulting Numbers: [64, 65, 73] Generated Node #0,3: 73:[64, 65, 73] Operation: 89-16=73 Moving to Node #0,3 Current State: 73:[64, 65, 73], Operations: ['89-16=73'] Exploring Operation: 64+73=137, Resulting Numbers: [65, 137] Generated Node #0,3,0: 73:[65, 137] Operation: 64+73=137 Exploring Operation: 73-64=9, Resulting Numbers: [65, 9] Generated Node #0,3,1: 73:[65, 9] Operation: 73-64=9 Exploring Operation: 64+65=129, Resulting Numbers: [73, 129] Generated Node #0,3,2: 73:[73, 129] Operation: 64+65=129 Exploring Operation: 65-64=1, Resulting Numbers: [73, 1] Generated Node #0,3,3: 73:[73, 1] Operation: 65-64=1 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 73:[73, 129], Operations: ['89-16=73', '64+65=129'] Exploring Operation: 129-73=56, Resulting Numbers: [56] 56,73 unequal: No Solution Exploring Operation: 73*129=9417, Resulting Numbers: [9417] 9417,73 unequal: No Solution Exploring Operation: 73+129=202, Resulting Numbers: [202] 202,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 73:[65, 137], Operations: ['89-16=73', '64+73=137'] Exploring Operation: 137-65=72, Resulting Numbers: [72] 72,73 unequal: No Solution Exploring Operation: 65+137=202, Resulting Numbers: [202] 202,73 unequal: No Solution Exploring Operation: 65*137=8905, Resulting Numbers: [8905] 8905,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 73:[65, 9], Operations: ['89-16=73', '73-64=9'] Exploring Operation: 65-9=56, Resulting Numbers: [56] 56,73 unequal: No Solution Exploring Operation: 65+9=74, Resulting Numbers: [74] 74,73 unequal: No Solution Exploring Operation: 65*9=585, Resulting Numbers: [585] 585,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 73:[73, 1], Operations: ['89-16=73', '65-64=1'] Exploring Operation: 73+1=74, Resulting Numbers: [74] 74,73 unequal: No Solution Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[16, 89, 64, 65], Operations: [] Exploring Operation: 89-16=73, Resulting Numbers: [64, 65, 73] Generated Node #0,3: 73:[64, 65, 73] Operation: 89-16=73 Moving to Node #0,3 Current State: 73:[64, 65, 73], Operations: ['89-16=73'] Exploring Operation: 65-64=1, Resulting Numbers: [73, 1] Generated Node #0,3,3: 73:[73, 1] Operation: 65-64=1 Moving to Node #0,3,3 Current State: 73:[73, 1], Operations: ['89-16=73', '65-64=1'] Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
mult_heuristic
[ 66, 26, 25, 34 ]
83
[ "66+26=92", "34-25=9", "92-9=83" ]
Current State: 83:[66, 26, 25, 34], Operations: [] Exploring Operation: 66+26=92, Resulting Numbers: [25, 34, 92] Generated Node #2: [25, 34, 92] from Operation: 66+26=92 Current State: 83:[25, 34, 92], Operations: ['66+26=92'] Exploring Operation: 34-25=9, Resulting Numbers: [92, 9] Generated Node #3: [92, 9] from Operation: 34-25=9 Current State: 83:[92, 9], Operations: ['66+26=92', '34-25=9'] Exploring Operation: 92-9=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[66, 26, 25, 34], Operations: [] Exploring Operation: 26+34=60, Resulting Numbers: [66, 25, 60] Generated Node #0,0: 83:[66, 25, 60] Operation: 26+34=60 Exploring Operation: 25+34=59, Resulting Numbers: [66, 26, 59] Generated Node #0,1: 83:[66, 26, 59] Operation: 25+34=59 Exploring Operation: 26+25=51, Resulting Numbers: [66, 34, 51] Generated Node #0,2: 83:[66, 34, 51] Operation: 26+25=51 Moving to Node #0,0 Current State: 83:[66, 25, 60], Operations: ['26+34=60'] Exploring Operation: 66+25=91, Resulting Numbers: [60, 91] Generated Node #0,0,0: 83:[60, 91] Operation: 66+25=91 Exploring Operation: 25+60=85, Resulting Numbers: [66, 85] Generated Node #0,0,1: 83:[66, 85] Operation: 25+60=85 Exploring Operation: 66-25=41, Resulting Numbers: [60, 41] Generated Node #0,0,2: 83:[60, 41] Operation: 66-25=41 Moving to Node #0,1 Current State: 83:[66, 26, 59], Operations: ['25+34=59'] Exploring Operation: 26+59=85, Resulting Numbers: [66, 85] Generated Node #0,1,0: 83:[66, 85] Operation: 26+59=85 Exploring Operation: 66-26=40, Resulting Numbers: [59, 40] Generated Node #0,1,1: 83:[59, 40] Operation: 66-26=40 Exploring Operation: 66+26=92, Resulting Numbers: [59, 92] Generated Node #0,1,2: 83:[59, 92] Operation: 66+26=92 Moving to Node #0,2 Current State: 83:[66, 34, 51], Operations: ['26+25=51'] Exploring Operation: 66-34=32, Resulting Numbers: [51, 32] Generated Node #0,2,0: 83:[51, 32] Operation: 66-34=32 Exploring Operation: 66+34=100, Resulting Numbers: [51, 100] Generated Node #0,2,1: 83:[51, 100] Operation: 66+34=100 Exploring Operation: 34+51=85, Resulting Numbers: [66, 85] Generated Node #0,2,2: 83:[66, 85] Operation: 34+51=85 Moving to Node #0,0,1 Current State: 83:[66, 85], Operations: ['26+34=60', '25+60=85'] Exploring Operation: 66*85=5610, Resulting Numbers: [5610] 5610,83 unequal: No Solution Exploring Operation: 66+85=151, Resulting Numbers: [151] 151,83 unequal: No Solution Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[66, 85], Operations: ['26+25=51', '34+51=85'] Exploring Operation: 66+85=151, Resulting Numbers: [151] 151,83 unequal: No Solution Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,83 unequal: No Solution Exploring Operation: 66*85=5610, Resulting Numbers: [5610] 5610,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[66, 85], Operations: ['25+34=59', '26+59=85'] Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,83 unequal: No Solution Exploring Operation: 66*85=5610, Resulting Numbers: [5610] 5610,83 unequal: No Solution Exploring Operation: 66+85=151, Resulting Numbers: [151] 151,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[60, 91], Operations: ['26+34=60', '66+25=91'] Exploring Operation: 60+91=151, Resulting Numbers: [151] 151,83 unequal: No Solution Exploring Operation: 60*91=5460, Resulting Numbers: [5460] 5460,83 unequal: No Solution Exploring Operation: 91-60=31, Resulting Numbers: [31] 31,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[59, 92], Operations: ['25+34=59', '66+26=92'] Exploring Operation: 92-59=33, Resulting Numbers: [33] 33,83 unequal: No Solution Exploring Operation: 59*92=5428, Resulting Numbers: [5428] 5428,83 unequal: No Solution Exploring Operation: 59+92=151, Resulting Numbers: [151] 151,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[51, 100], Operations: ['26+25=51', '66+34=100'] Exploring Operation: 51*100=5100, Resulting Numbers: [5100] 5100,83 unequal: No Solution Exploring Operation: 100-51=49, Resulting Numbers: [49] 49,83 unequal: No Solution Exploring Operation: 51+100=151, Resulting Numbers: [151] 151,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[60, 41], Operations: ['26+34=60', '66-25=41'] Exploring Operation: 60*41=2460, Resulting Numbers: [2460] 2460,83 unequal: No Solution Exploring Operation: 60-41=19, Resulting Numbers: [19] 19,83 unequal: No Solution Exploring Operation: 60+41=101, Resulting Numbers: [101] 101,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[59, 40], Operations: ['25+34=59', '66-26=40'] Exploring Operation: 59*40=2360, Resulting Numbers: [2360] 2360,83 unequal: No Solution Exploring Operation: 59+40=99, Resulting Numbers: [99] 99,83 unequal: No Solution Exploring Operation: 59-40=19, Resulting Numbers: [19] 19,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[51, 32], Operations: ['26+25=51', '66-34=32'] Exploring Operation: 51*32=1632, Resulting Numbers: [1632] 1632,83 unequal: No Solution Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[66, 26, 25, 34], Operations: [] Exploring Operation: 26+25=51, Resulting Numbers: [66, 34, 51] Generated Node #0,2: 83:[66, 34, 51] Operation: 26+25=51 Moving to Node #0,2 Current State: 83:[66, 34, 51], Operations: ['26+25=51'] Exploring Operation: 66-34=32, Resulting Numbers: [51, 32] Generated Node #0,2,0: 83:[51, 32] Operation: 66-34=32 Moving to Node #0,2,0 Current State: 83:[51, 32], Operations: ['26+25=51', '66-34=32'] Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
0.963542
hs_3
sum_heuristic
[ 4, 10, 2, 17 ]
66
[ "2+17=19", "4*19=76", "76-10=66" ]
Current State: 66:[4, 10, 2, 17], Operations: [] Exploring Operation: 2+17=19, Resulting Numbers: [4, 10, 19] Generated Node #2: [4, 10, 19] from Operation: 2+17=19 Current State: 66:[4, 10, 19], Operations: ['2+17=19'] Exploring Operation: 4*19=76, Resulting Numbers: [10, 76] Generated Node #3: [10, 76] from Operation: 4*19=76 Current State: 66:[10, 76], Operations: ['2+17=19', '4*19=76'] Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[4, 10, 2, 17], Operations: [] Exploring Operation: 17-10=7, Resulting Numbers: [4, 2, 7] Generated Node #0,0: 66:[4, 2, 7] Operation: 17-10=7 Exploring Operation: 4+17=21, Resulting Numbers: [10, 2, 21] Generated Node #0,1: 66:[10, 2, 21] Operation: 4+17=21 Moving to Node #0,0 Current State: 66:[4, 2, 7], Operations: ['17-10=7'] Exploring Operation: 7-4=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 66:[2, 3] Operation: 7-4=3 Exploring Operation: 4+7=11, Resulting Numbers: [2, 11] Generated Node #0,0,1: 66:[2, 11] Operation: 4+7=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[2, 3], Operations: ['17-10=7', '7-4=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,66 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 66:[2, 11], Operations: ['17-10=7', '4+7=11'] Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,66 unequal: No Solution Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,66 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:[10, 2, 21], Operations: ['4+17=21'] Exploring Operation: 10+2=12, Resulting Numbers: [21, 12] Generated Node #0,1,0: 66:[21, 12] Operation: 10+2=12 Exploring Operation: 21-10=11, Resulting Numbers: [2, 11] Generated Node #0,1,1: 66:[2, 11] Operation: 21-10=11 Moving to Node #0,1,1 Current State: 66:[2, 11], Operations: ['4+17=21', '21-10=11'] Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,66 unequal: No Solution Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,66 unequal: No Solution Moving to Node #0,1,0 Current State: 66:[21, 12], Operations: ['4+17=21', '10+2=12'] Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,66 unequal: No Solution Exploring Operation: 21+12=33, Resulting Numbers: [33] 33,66 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 62, 54, 36, 59 ]
31
[ "62-54=8", "59-36=23", "8+23=31" ]
Current State: 31:[62, 54, 36, 59], Operations: [] Exploring Operation: 62-54=8, Resulting Numbers: [36, 59, 8] Generated Node #2: [36, 59, 8] from Operation: 62-54=8 Current State: 31:[36, 59, 8], Operations: ['62-54=8'] Exploring Operation: 59-36=23, Resulting Numbers: [8, 23] Generated Node #3: [8, 23] from Operation: 59-36=23 Current State: 31:[8, 23], Operations: ['62-54=8', '59-36=23'] Exploring Operation: 8+23=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[62, 54, 36, 59], Operations: [] Exploring Operation: 62-36=26, Resulting Numbers: [54, 59, 26] Generated Node #0,0: 31:[54, 59, 26] Operation: 62-36=26 Exploring Operation: 62-59=3, Resulting Numbers: [54, 36, 3] Generated Node #0,1: 31:[54, 36, 3] Operation: 62-59=3 Exploring Operation: 62-54=8, Resulting Numbers: [36, 59, 8] Generated Node #0,2: 31:[36, 59, 8] Operation: 62-54=8 Moving to Node #0,0 Current State: 31:[54, 59, 26], Operations: ['62-36=26'] Exploring Operation: 59-54=5, Resulting Numbers: [26, 5] Generated Node #0,0,0: 31:[26, 5] Operation: 59-54=5 Exploring Operation: 54-26=28, Resulting Numbers: [59, 28] Generated Node #0,0,1: 31:[59, 28] Operation: 54-26=28 Exploring Operation: 59-26=33, Resulting Numbers: [54, 33] Generated Node #0,0,2: 31:[54, 33] Operation: 59-26=33 Moving to Node #0,1 Current State: 31:[54, 36, 3], Operations: ['62-59=3'] Exploring Operation: 54-3=51, Resulting Numbers: [36, 51] Generated Node #0,1,0: 31:[36, 51] Operation: 54-3=51 Exploring Operation: 36-3=33, Resulting Numbers: [54, 33] Generated Node #0,1,1: 31:[54, 33] Operation: 36-3=33 Exploring Operation: 54/3=18, Resulting Numbers: [36, 18] Generated Node #0,1,2: 31:[36, 18] Operation: 54/3=18 Moving to Node #0,2 Current State: 31:[36, 59, 8], Operations: ['62-54=8'] Exploring Operation: 59-36=23, Resulting Numbers: [8, 23] Generated Node #0,2,0: 31:[8, 23] Operation: 59-36=23 Exploring Operation: 59-8=51, Resulting Numbers: [36, 51] Generated Node #0,2,1: 31:[36, 51] Operation: 59-8=51 Exploring Operation: 36-8=28, Resulting Numbers: [59, 28] Generated Node #0,2,2: 31:[59, 28] Operation: 36-8=28 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 31:[36, 51], Operations: ['62-54=8', '59-8=51'] Exploring Operation: 51-36=15, Resulting Numbers: [15] 15,31 unequal: No Solution Exploring Operation: 36*51=1836, Resulting Numbers: [1836] 1836,31 unequal: No Solution Exploring Operation: 36+51=87, Resulting Numbers: [87] 87,31 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 #0,2,0 Current State: 31:[8, 23], Operations: ['62-54=8', '59-36=23'] Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,31 unequal: No Solution Exploring Operation: 8+23=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[62, 54, 36, 59], Operations: [] Exploring Operation: 62-54=8, Resulting Numbers: [36, 59, 8] Generated Node #0,2: 31:[36, 59, 8] Operation: 62-54=8 Moving to Node #0,2 Current State: 31:[36, 59, 8], Operations: ['62-54=8'] Exploring Operation: 59-36=23, Resulting Numbers: [8, 23] Generated Node #0,2,0: 31:[8, 23] Operation: 59-36=23 Moving to Node #0,2,0 Current State: 31:[8, 23], Operations: ['62-54=8', '59-36=23'] Exploring Operation: 8+23=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_3
sum_heuristic
[ 44, 92, 67, 64 ]
60
[ "67-44=23", "92/23=4", "64-4=60" ]
Current State: 60:[44, 92, 67, 64], Operations: [] Exploring Operation: 67-44=23, Resulting Numbers: [92, 64, 23] Generated Node #2: [92, 64, 23] from Operation: 67-44=23 Current State: 60:[92, 64, 23], Operations: ['67-44=23'] Exploring Operation: 92/23=4, Resulting Numbers: [64, 4] Generated Node #3: [64, 4] from Operation: 92/23=4 Current State: 60:[64, 4], Operations: ['67-44=23', '92/23=4'] Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[44, 92, 67, 64], Operations: [] Exploring Operation: 92-64=28, Resulting Numbers: [44, 67, 28] Generated Node #0,0: 60:[44, 67, 28] Operation: 92-64=28 Exploring Operation: 92-67=25, Resulting Numbers: [44, 64, 25] Generated Node #0,1: 60:[44, 64, 25] Operation: 92-67=25 Exploring Operation: 92-44=48, Resulting Numbers: [67, 64, 48] Generated Node #0,2: 60:[67, 64, 48] Operation: 92-44=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[44, 67, 28], Operations: ['92-64=28'] Exploring Operation: 44+28=72, Resulting Numbers: [67, 72] Generated Node #0,0,0: 60:[67, 72] Operation: 44+28=72 Exploring Operation: 44-28=16, Resulting Numbers: [67, 16] Generated Node #0,0,1: 60:[67, 16] Operation: 44-28=16 Exploring Operation: 67-44=23, Resulting Numbers: [28, 23] Generated Node #0,0,2: 60:[28, 23] Operation: 67-44=23 Moving to Node #0,0,2 Current State: 60:[28, 23], Operations: ['92-64=28', '67-44=23'] Exploring Operation: 28+23=51, Resulting Numbers: [51] 51,60 unequal: No Solution Exploring Operation: 28*23=644, Resulting Numbers: [644] 644,60 unequal: No Solution Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[67, 16], Operations: ['92-64=28', '44-28=16'] Exploring Operation: 67-16=51, Resulting Numbers: [51] 51,60 unequal: No Solution Exploring Operation: 67*16=1072, Resulting Numbers: [1072] 1072,60 unequal: No Solution Exploring Operation: 67+16=83, Resulting Numbers: [83] 83,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[67, 72], Operations: ['92-64=28', '44+28=72'] Exploring Operation: 67+72=139, Resulting Numbers: [139] 139,60 unequal: No Solution Exploring Operation: 67*72=4824, Resulting Numbers: [4824] 4824,60 unequal: No Solution Exploring Operation: 72-67=5, Resulting Numbers: [5] 5,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[44, 64, 25], Operations: ['92-67=25'] Exploring Operation: 64-44=20, Resulting Numbers: [25, 20] Generated Node #0,1,0: 60:[25, 20] Operation: 64-44=20 Exploring Operation: 44+25=69, Resulting Numbers: [64, 69] Generated Node #0,1,1: 60:[64, 69] Operation: 44+25=69 Exploring Operation: 44-25=19, Resulting Numbers: [64, 19] Generated Node #0,1,2: 60:[64, 19] Operation: 44-25=19 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 60:[25, 20], Operations: ['92-67=25', '64-44=20'] Exploring Operation: 25+20=45, Resulting Numbers: [45] 45,60 unequal: No Solution Exploring Operation: 25*20=500, Resulting Numbers: [500] 500,60 unequal: No Solution Exploring Operation: 25-20=5, Resulting Numbers: [5] 5,60 unequal: No Solution No 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: 60:[64, 19], Operations: ['92-67=25', '44-25=19'] Exploring Operation: 64*19=1216, Resulting Numbers: [1216] 1216,60 unequal: No Solution Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,60 unequal: No Solution Exploring Operation: 64+19=83, Resulting Numbers: [83] 83,60 unequal: No Solution No 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: 60:[64, 69], Operations: ['92-67=25', '44+25=69'] Exploring Operation: 64*69=4416, Resulting Numbers: [4416] 4416,60 unequal: No Solution Exploring Operation: 69-64=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 64+69=133, Resulting Numbers: [133] 133,60 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: 60:[67, 64, 48], Operations: ['92-44=48'] Exploring Operation: 67-64=3, Resulting Numbers: [48, 3] Generated Node #0,2,0: 60:[48, 3] Operation: 67-64=3 Exploring Operation: 64-48=16, Resulting Numbers: [67, 16] Generated Node #0,2,1: 60:[67, 16] Operation: 64-48=16 Exploring Operation: 67-48=19, Resulting Numbers: [64, 19] Generated Node #0,2,2: 60:[64, 19] Operation: 67-48=19 Moving to Node #0,2,2 Current State: 60:[64, 19], Operations: ['92-44=48', '67-48=19'] Exploring Operation: 64*19=1216, Resulting Numbers: [1216] 1216,60 unequal: No Solution Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,60 unequal: No Solution Exploring Operation: 64+19=83, Resulting Numbers: [83] 83,60 unequal: No Solution Moving to Node #0,2,1 Current State: 60:[67, 16], Operations: ['92-44=48', '64-48=16'] Exploring Operation: 67-16=51, Resulting Numbers: [51] 51,60 unequal: No Solution Exploring Operation: 67+16=83, Resulting Numbers: [83] 83,60 unequal: No Solution Exploring Operation: 67*16=1072, Resulting Numbers: [1072] 1072,60 unequal: No Solution Moving to Node #0,2,0 Current State: 60:[48, 3], Operations: ['92-44=48', '67-64=3'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,60 unequal: No Solution Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,60 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 85, 43, 69, 56 ]
87
[ "43+69=112", "112/56=2", "85+2=87" ]
Current State: 87:[85, 43, 69, 56], Operations: [] Exploring Operation: 43+69=112, Resulting Numbers: [85, 56, 112] Generated Node #2: [85, 56, 112] from Operation: 43+69=112 Current State: 87:[85, 56, 112], Operations: ['43+69=112'] Exploring Operation: 112/56=2, Resulting Numbers: [85, 2] Generated Node #3: [85, 2] from Operation: 112/56=2 Current State: 87:[85, 2], Operations: ['43+69=112', '112/56=2'] Exploring Operation: 85+2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[85, 43, 69, 56], Operations: [] Exploring Operation: 69-56=13, Resulting Numbers: [85, 43, 13] Generated Node #0,0: 87:[85, 43, 13] Operation: 69-56=13 Moving to Node #0,0 Current State: 87:[85, 43, 13], Operations: ['69-56=13'] Exploring Operation: 43-13=30, Resulting Numbers: [85, 30] Generated Node #0,0,0: 87:[85, 30] Operation: 43-13=30 Moving to Node #0,0,0 Current State: 87:[85, 30], Operations: ['69-56=13', '43-13=30'] Exploring Operation: 85-30=55, Resulting Numbers: [55] 55,87 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 93, 64, 36, 26 ]
39
[ "93-64=29", "36-26=10", "29+10=39" ]
Current State: 39:[93, 64, 36, 26], Operations: [] Exploring Operation: 93-64=29, Resulting Numbers: [36, 26, 29] Generated Node #2: [36, 26, 29] from Operation: 93-64=29 Current State: 39:[36, 26, 29], Operations: ['93-64=29'] Exploring Operation: 36-26=10, Resulting Numbers: [29, 10] Generated Node #3: [29, 10] from Operation: 36-26=10 Current State: 39:[29, 10], Operations: ['93-64=29', '36-26=10'] Exploring Operation: 29+10=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[93, 64, 36, 26], Operations: [] Exploring Operation: 93-64=29, Resulting Numbers: [36, 26, 29] Generated Node #0,0: 39:[36, 26, 29] Operation: 93-64=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[36, 26, 29], Operations: ['93-64=29'] Exploring Operation: 29-26=3, Resulting Numbers: [36, 3] Generated Node #0,0,0: 39:[36, 3] Operation: 29-26=3 Moving to Node #0,0,0 Current State: 39:[36, 3], Operations: ['93-64=29', '29-26=3'] Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[93, 64, 36, 26], Operations: [] Exploring Operation: 93-64=29, Resulting Numbers: [36, 26, 29] Generated Node #0,0: 39:[36, 26, 29] Operation: 93-64=29 Moving to Node #0,0 Current State: 39:[36, 26, 29], Operations: ['93-64=29'] Exploring Operation: 29-26=3, Resulting Numbers: [36, 3] Generated Node #0,0,0: 39:[36, 3] Operation: 29-26=3 Moving to Node #0,0,0 Current State: 39:[36, 3], Operations: ['93-64=29', '29-26=3'] Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 58, 35, 79, 55 ]
26
[ "58-55=3", "35*3=105", "105-79=26" ]
Current State: 26:[58, 35, 79, 55], Operations: [] Exploring Operation: 58-55=3, Resulting Numbers: [35, 79, 3] Generated Node #2: [35, 79, 3] from Operation: 58-55=3 Current State: 26:[35, 79, 3], Operations: ['58-55=3'] Exploring Operation: 35*3=105, Resulting Numbers: [79, 105] Generated Node #3: [79, 105] from Operation: 35*3=105 Current State: 26:[79, 105], Operations: ['58-55=3', '35*3=105'] Exploring Operation: 105-79=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[58, 35, 79, 55], Operations: [] Exploring Operation: 79-58=21, Resulting Numbers: [35, 55, 21] Generated Node #0,0: 26:[35, 55, 21] Operation: 79-58=21 Exploring Operation: 58-55=3, Resulting Numbers: [35, 79, 3] Generated Node #0,1: 26:[35, 79, 3] Operation: 58-55=3 Exploring Operation: 79-35=44, Resulting Numbers: [58, 55, 44] Generated Node #0,2: 26:[58, 55, 44] Operation: 79-35=44 Exploring Operation: 58-35=23, Resulting Numbers: [79, 55, 23] Generated Node #0,3: 26:[79, 55, 23] Operation: 58-35=23 Exploring Operation: 79-55=24, Resulting Numbers: [58, 35, 24] Generated Node #0,4: 26:[58, 35, 24] Operation: 79-55=24 Moving to Node #0,0 Current State: 26:[35, 55, 21], Operations: ['79-58=21'] Exploring Operation: 35+21=56, Resulting Numbers: [55, 56] Generated Node #0,0,0: 26:[55, 56] Operation: 35+21=56 Exploring Operation: 55+21=76, Resulting Numbers: [35, 76] Generated Node #0,0,1: 26:[35, 76] Operation: 55+21=76 Exploring Operation: 35-21=14, Resulting Numbers: [55, 14] Generated Node #0,0,2: 26:[55, 14] Operation: 35-21=14 Exploring Operation: 55-21=34, Resulting Numbers: [35, 34] Generated Node #0,0,3: 26:[35, 34] Operation: 55-21=34 Exploring Operation: 55-35=20, Resulting Numbers: [21, 20] Generated Node #0,0,4: 26:[21, 20] Operation: 55-35=20 Moving to Node #0,4 Current State: 26:[58, 35, 24], Operations: ['79-55=24'] Exploring Operation: 35+24=59, Resulting Numbers: [58, 59] Generated Node #0,4,0: 26:[58, 59] Operation: 35+24=59 Exploring Operation: 58-24=34, Resulting Numbers: [35, 34] Generated Node #0,4,1: 26:[35, 34] Operation: 58-24=34 Exploring Operation: 35-24=11, Resulting Numbers: [58, 11] Generated Node #0,4,2: 26:[58, 11] Operation: 35-24=11 Exploring Operation: 58-35=23, Resulting Numbers: [24, 23] Generated Node #0,4,3: 26:[24, 23] Operation: 58-35=23 Exploring Operation: 58+24=82, Resulting Numbers: [35, 82] Generated Node #0,4,4: 26:[35, 82] Operation: 58+24=82 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 26:[24, 23], Operations: ['79-55=24', '58-35=23'] Exploring Operation: 24*23=552, Resulting Numbers: [552] 552,26 unequal: No Solution Exploring Operation: 24-23=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 24+23=47, Resulting Numbers: [47] 47,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 26:[35, 34], Operations: ['79-55=24', '58-24=34'] Exploring Operation: 35-34=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 35+34=69, Resulting Numbers: [69] 69,26 unequal: No Solution Exploring Operation: 35*34=1190, Resulting Numbers: [1190] 1190,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 26:[58, 11], Operations: ['79-55=24', '35-24=11'] Exploring Operation: 58+11=69, Resulting Numbers: [69] 69,26 unequal: No Solution Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,26 unequal: No Solution Exploring Operation: 58*11=638, Resulting Numbers: [638] 638,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 26:[58, 59], Operations: ['79-55=24', '35+24=59'] Exploring Operation: 58*59=3422, Resulting Numbers: [3422] 3422,26 unequal: No Solution Exploring Operation: 59-58=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 58+59=117, Resulting Numbers: [117] 117,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 26:[35, 82], Operations: ['79-55=24', '58+24=82'] Exploring Operation: 35+82=117, Resulting Numbers: [117] 117,26 unequal: No Solution Exploring Operation: 82-35=47, Resulting Numbers: [47] 47,26 unequal: No Solution Exploring Operation: 35*82=2870, Resulting Numbers: [2870] 2870,26 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: 26:[35, 79, 3], Operations: ['58-55=3'] Exploring Operation: 35+3=38, Resulting Numbers: [79, 38] Generated Node #0,1,0: 26:[79, 38] Operation: 35+3=38 Exploring Operation: 79+3=82, Resulting Numbers: [35, 82] Generated Node #0,1,1: 26:[35, 82] Operation: 79+3=82 Exploring Operation: 35-3=32, Resulting Numbers: [79, 32] Generated Node #0,1,2: 26:[79, 32] Operation: 35-3=32 Exploring Operation: 79-35=44, Resulting Numbers: [3, 44] Generated Node #0,1,3: 26:[3, 44] Operation: 79-35=44 Exploring Operation: 79-3=76, Resulting Numbers: [35, 76] Generated Node #0,1,4: 26:[35, 76] Operation: 79-3=76 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 26:[3, 44], Operations: ['58-55=3', '79-35=44'] Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 3*44=132, Resulting Numbers: [132] 132,26 unequal: No Solution Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 26:[79, 32], Operations: ['58-55=3', '35-3=32'] Exploring Operation: 79+32=111, Resulting Numbers: [111] 111,26 unequal: No Solution Exploring Operation: 79-32=47, Resulting Numbers: [47] 47,26 unequal: No Solution Exploring Operation: 79*32=2528, Resulting Numbers: [2528] 2528,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 26:[35, 76], Operations: ['58-55=3', '79-3=76'] Exploring Operation: 35*76=2660, Resulting Numbers: [2660] 2660,26 unequal: No Solution Exploring Operation: 35+76=111, Resulting Numbers: [111] 111,26 unequal: No Solution Exploring Operation: 76-35=41, Resulting Numbers: [41] 41,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[79, 38], Operations: ['58-55=3', '35+3=38'] Exploring Operation: 79*38=3002, Resulting Numbers: [3002] 3002,26 unequal: No Solution Exploring Operation: 79+38=117, Resulting Numbers: [117] 117,26 unequal: No Solution Exploring Operation: 79-38=41, Resulting Numbers: [41] 41,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[35, 82], Operations: ['58-55=3', '79+3=82'] Exploring Operation: 35*82=2870, Resulting Numbers: [2870] 2870,26 unequal: No Solution Exploring Operation: 35+82=117, Resulting Numbers: [117] 117,26 unequal: No Solution Exploring Operation: 82-35=47, Resulting Numbers: [47] 47,26 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: 26:[58, 55, 44], Operations: ['79-35=44'] Exploring Operation: 58-44=14, Resulting Numbers: [55, 14] Generated Node #0,2,0: 26:[55, 14] Operation: 58-44=14 Exploring Operation: 55-44=11, Resulting Numbers: [58, 11] Generated Node #0,2,1: 26:[58, 11] Operation: 55-44=11 Exploring Operation: 58+44=102, Resulting Numbers: [55, 102] Generated Node #0,2,2: 26:[55, 102] Operation: 58+44=102 Exploring Operation: 58-55=3, Resulting Numbers: [44, 3] Generated Node #0,2,3: 26:[44, 3] Operation: 58-55=3 Exploring Operation: 58+55=113, Resulting Numbers: [44, 113] Generated Node #0,2,4: 26:[44, 113] Operation: 58+55=113 Moving to Node #0,3 Current State: 26:[79, 55, 23], Operations: ['58-35=23'] Exploring Operation: 79-55=24, Resulting Numbers: [23, 24] Generated Node #0,3,0: 26:[23, 24] Operation: 79-55=24 Exploring Operation: 79+23=102, Resulting Numbers: [55, 102] Generated Node #0,3,1: 26:[55, 102] Operation: 79+23=102 Exploring Operation: 55+23=78, Resulting Numbers: [79, 78] Generated Node #0,3,2: 26:[79, 78] Operation: 55+23=78 Exploring Operation: 55-23=32, Resulting Numbers: [79, 32] Generated Node #0,3,3: 26:[79, 32] Operation: 55-23=32 Exploring Operation: 79-23=56, Resulting Numbers: [55, 56] Generated Node #0,3,4: 26:[55, 56] Operation: 79-23=56 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 26:[23, 24], Operations: ['58-35=23', '79-55=24'] Exploring Operation: 24-23=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 23*24=552, Resulting Numbers: [552] 552,26 unequal: No Solution Exploring Operation: 23+24=47, Resulting Numbers: [47] 47,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 26:[79, 32], Operations: ['58-35=23', '55-23=32'] Exploring Operation: 79+32=111, Resulting Numbers: [111] 111,26 unequal: No Solution Exploring Operation: 79*32=2528, Resulting Numbers: [2528] 2528,26 unequal: No Solution Exploring Operation: 79-32=47, Resulting Numbers: [47] 47,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 26:[55, 56], Operations: ['58-35=23', '79-23=56'] Exploring Operation: 56-55=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 55*56=3080, Resulting Numbers: [3080] 3080,26 unequal: No Solution Exploring Operation: 55+56=111, Resulting Numbers: [111] 111,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 26:[55, 102], Operations: ['58-35=23', '79+23=102'] Exploring Operation: 55+102=157, Resulting Numbers: [157] 157,26 unequal: No Solution Exploring Operation: 55*102=5610, Resulting Numbers: [5610] 5610,26 unequal: No Solution Exploring Operation: 102-55=47, Resulting Numbers: [47] 47,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 26:[79, 78], Operations: ['58-35=23', '55+23=78'] Exploring Operation: 79-78=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 79*78=6162, Resulting Numbers: [6162] 6162,26 unequal: No Solution Exploring Operation: 79+78=157, Resulting Numbers: [157] 157,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,4 Current State: 26:[21, 20], Operations: ['79-58=21', '55-35=20'] Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 21+20=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 21*20=420, Resulting Numbers: [420] 420,26 unequal: No Solution Moving to Node #0,0,3 Current State: 26:[35, 34], Operations: ['79-58=21', '55-21=34'] Exploring Operation: 35*34=1190, Resulting Numbers: [1190] 1190,26 unequal: No Solution Exploring Operation: 35-34=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 35+34=69, Resulting Numbers: [69] 69,26 unequal: No Solution Moving to Node #0,2,3 Current State: 26:[44, 3], Operations: ['79-35=44', '58-55=3'] Exploring Operation: 44+3=47, Resulting Numbers: [47] 47,26 unequal: No Solution Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 44*3=132, Resulting Numbers: [132] 132,26 unequal: No Solution Moving to Node #0,2,0 Current State: 26:[55, 14], Operations: ['79-35=44', '58-44=14'] Exploring Operation: 55*14=770, Resulting Numbers: [770] 770,26 unequal: No Solution Exploring Operation: 55+14=69, Resulting Numbers: [69] 69,26 unequal: No Solution Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,26 unequal: No Solution Moving to Node #0,0,2 Current State: 26:[55, 14], Operations: ['79-58=21', '35-21=14'] Exploring Operation: 55*14=770, Resulting Numbers: [770] 770,26 unequal: No Solution Exploring Operation: 55+14=69, Resulting Numbers: [69] 69,26 unequal: No Solution Exploring Operation: 55-14=41, Resulting Numbers: [41] 41,26 unequal: No Solution Moving to Node #0,2,1 Current State: 26:[58, 11], Operations: ['79-35=44', '55-44=11'] Exploring Operation: 58*11=638, Resulting Numbers: [638] 638,26 unequal: No Solution Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,26 unequal: No Solution Exploring Operation: 58+11=69, Resulting Numbers: [69] 69,26 unequal: No Solution Moving to Node #0,0,1 Current State: 26:[35, 76], Operations: ['79-58=21', '55+21=76'] Exploring Operation: 35+76=111, Resulting Numbers: [111] 111,26 unequal: No Solution Exploring Operation: 35*76=2660, Resulting Numbers: [2660] 2660,26 unequal: No Solution Exploring Operation: 76-35=41, Resulting Numbers: [41] 41,26 unequal: No Solution Moving to Node #0,0,0 Current State: 26:[55, 56], Operations: ['79-58=21', '35+21=56'] Exploring Operation: 56-55=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 55*56=3080, Resulting Numbers: [3080] 3080,26 unequal: No Solution Exploring Operation: 55+56=111, Resulting Numbers: [111] 111,26 unequal: No Solution Moving to Node #0,2,2 Current State: 26:[55, 102], Operations: ['79-35=44', '58+44=102'] Exploring Operation: 55+102=157, Resulting Numbers: [157] 157,26 unequal: No Solution Exploring Operation: 55*102=5610, Resulting Numbers: [5610] 5610,26 unequal: No Solution Exploring Operation: 102-55=47, Resulting Numbers: [47] 47,26 unequal: No Solution Moving to Node #0,2,4 Current State: 26:[44, 113], Operations: ['79-35=44', '58+55=113'] Exploring Operation: 113-44=69, Resulting Numbers: [69] 69,26 unequal: No Solution Exploring Operation: 44*113=4972, Resulting Numbers: [4972] 4972,26 unequal: No Solution Exploring Operation: 44+113=157, Resulting Numbers: [157] 157,26 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 77, 49, 67, 10 ]
69
[ "77+49=126", "67-10=57", "126-57=69" ]
Current State: 69:[77, 49, 67, 10], Operations: [] Exploring Operation: 77+49=126, Resulting Numbers: [67, 10, 126] Generated Node #2: [67, 10, 126] from Operation: 77+49=126 Current State: 69:[67, 10, 126], Operations: ['77+49=126'] Exploring Operation: 67-10=57, Resulting Numbers: [126, 57] Generated Node #3: [126, 57] from Operation: 67-10=57 Current State: 69:[126, 57], Operations: ['77+49=126', '67-10=57'] Exploring Operation: 126-57=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[77, 49, 67, 10], Operations: [] Exploring Operation: 77-49=28, Resulting Numbers: [67, 10, 28] Generated Node #0,0: 69:[67, 10, 28] Operation: 77-49=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[67, 10, 28], Operations: ['77-49=28'] Exploring Operation: 28-10=18, Resulting Numbers: [67, 18] Generated Node #0,0,0: 69:[67, 18] Operation: 28-10=18 Moving to Node #0,0,0 Current State: 69:[67, 18], Operations: ['77-49=28', '28-10=18'] Exploring Operation: 67+18=85, Resulting Numbers: [85] 85,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 14, 60, 76, 74 ]
92
[ "60-14=46", "76-74=2", "46*2=92" ]
Current State: 92:[14, 60, 76, 74], Operations: [] Exploring Operation: 60-14=46, Resulting Numbers: [76, 74, 46] Generated Node #2: [76, 74, 46] from Operation: 60-14=46 Current State: 92:[76, 74, 46], Operations: ['60-14=46'] Exploring Operation: 76-74=2, Resulting Numbers: [46, 2] Generated Node #3: [46, 2] from Operation: 76-74=2 Current State: 92:[46, 2], Operations: ['60-14=46', '76-74=2'] Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[14, 60, 76, 74], Operations: [] Exploring Operation: 76-74=2, Resulting Numbers: [14, 60, 2] Generated Node #0,0: 92:[14, 60, 2] Operation: 76-74=2 Exploring Operation: 60-14=46, Resulting Numbers: [76, 74, 46] Generated Node #0,1: 92:[76, 74, 46] Operation: 60-14=46 Moving to Node #0,0 Current State: 92:[14, 60, 2], Operations: ['76-74=2'] Exploring Operation: 60-14=46, Resulting Numbers: [2, 46] Generated Node #0,0,0: 92:[2, 46] Operation: 60-14=46 Exploring Operation: 60/2=30, Resulting Numbers: [14, 30] Generated Node #0,0,1: 92:[14, 30] Operation: 60/2=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[2, 46], Operations: ['76-74=2', '60-14=46'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,92 unequal: No Solution Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[14, 60, 76, 74], Operations: [] Exploring Operation: 76-74=2, Resulting Numbers: [14, 60, 2] Generated Node #0,0: 92:[14, 60, 2] Operation: 76-74=2 Moving to Node #0,0 Current State: 92:[14, 60, 2], Operations: ['76-74=2'] Exploring Operation: 60-14=46, Resulting Numbers: [2, 46] Generated Node #0,0,0: 92:[2, 46] Operation: 60-14=46 Moving to Node #0,0,0 Current State: 92:[2, 46], Operations: ['76-74=2', '60-14=46'] Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 5, 35, 1, 52 ]
80
[ "35+1=36", "52-36=16", "5*16=80" ]
Current State: 80:[5, 35, 1, 52], Operations: [] Exploring Operation: 35+1=36, Resulting Numbers: [5, 52, 36] Generated Node #2: [5, 52, 36] from Operation: 35+1=36 Current State: 80:[5, 52, 36], Operations: ['35+1=36'] Exploring Operation: 52-36=16, Resulting Numbers: [5, 16] Generated Node #3: [5, 16] from Operation: 52-36=16 Current State: 80:[5, 16], Operations: ['35+1=36', '52-36=16'] Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[5, 35, 1, 52], Operations: [] Exploring Operation: 35+52=87, Resulting Numbers: [5, 1, 87] Generated Node #0,0: 80:[5, 1, 87] Operation: 35+52=87 Exploring Operation: 52-35=17, Resulting Numbers: [5, 1, 17] Generated Node #0,1: 80:[5, 1, 17] Operation: 52-35=17 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[5, 1, 17], Operations: ['52-35=17'] Exploring Operation: 17-1=16, Resulting Numbers: [5, 16] Generated Node #0,1,0: 80:[5, 16] Operation: 17-1=16 Exploring Operation: 5*1=5, Resulting Numbers: [17, 5] Generated Node #0,1,1: 80:[17, 5] Operation: 5*1=5 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 80:[5, 16], Operations: ['52-35=17', '17-1=16'] Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[5, 35, 1, 52], Operations: [] Exploring Operation: 52-35=17, Resulting Numbers: [5, 1, 17] Generated Node #0,1: 80:[5, 1, 17] Operation: 52-35=17 Moving to Node #0,1 Current State: 80:[5, 1, 17], Operations: ['52-35=17'] Exploring Operation: 17-1=16, Resulting Numbers: [5, 16] Generated Node #0,1,0: 80:[5, 16] Operation: 17-1=16 Moving to Node #0,1,0 Current State: 80:[5, 16], Operations: ['52-35=17', '17-1=16'] Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 56, 34, 33, 28 ]
29
[ "56+34=90", "33+28=61", "90-61=29" ]
Current State: 29:[56, 34, 33, 28], Operations: [] Exploring Operation: 56+34=90, Resulting Numbers: [33, 28, 90] Generated Node #2: [33, 28, 90] from Operation: 56+34=90 Current State: 29:[33, 28, 90], Operations: ['56+34=90'] Exploring Operation: 33+28=61, Resulting Numbers: [90, 61] Generated Node #3: [90, 61] from Operation: 33+28=61 Current State: 29:[90, 61], Operations: ['56+34=90', '33+28=61'] Exploring Operation: 90-61=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[56, 34, 33, 28], Operations: [] Exploring Operation: 56-34=22, Resulting Numbers: [33, 28, 22] Generated Node #0,0: 29:[33, 28, 22] Operation: 56-34=22 Exploring Operation: 56-33=23, Resulting Numbers: [34, 28, 23] Generated Node #0,1: 29:[34, 28, 23] Operation: 56-33=23 Exploring Operation: 56-28=28, Resulting Numbers: [34, 33, 28] Generated Node #0,2: 29:[34, 33, 28] Operation: 56-28=28 Moving to Node #0,2 Current State: 29:[34, 33, 28], Operations: ['56-28=28'] Exploring Operation: 34-28=6, Resulting Numbers: [33, 6] Generated Node #0,2,0: 29:[33, 6] Operation: 34-28=6 Exploring Operation: 33-28=5, Resulting Numbers: [34, 5] Generated Node #0,2,1: 29:[34, 5] Operation: 33-28=5 Exploring Operation: 34-33=1, Resulting Numbers: [28, 1] Generated Node #0,2,2: 29:[28, 1] Operation: 34-33=1 Moving to Node #0,0 Current State: 29:[33, 28, 22], Operations: ['56-34=22'] Exploring Operation: 33-22=11, Resulting Numbers: [28, 11] Generated Node #0,0,0: 29:[28, 11] Operation: 33-22=11 Exploring Operation: 33+22=55, Resulting Numbers: [28, 55] Generated Node #0,0,1: 29:[28, 55] Operation: 33+22=55 Exploring Operation: 28+22=50, Resulting Numbers: [33, 50] Generated Node #0,0,2: 29:[33, 50] Operation: 28+22=50 Moving to Node #0,1 Current State: 29:[34, 28, 23], Operations: ['56-33=23'] Exploring Operation: 28+23=51, Resulting Numbers: [34, 51] Generated Node #0,1,0: 29:[34, 51] Operation: 28+23=51 Exploring Operation: 34-28=6, Resulting Numbers: [23, 6] Generated Node #0,1,1: 29:[23, 6] Operation: 34-28=6 Exploring Operation: 34-23=11, Resulting Numbers: [28, 11] Generated Node #0,1,2: 29:[28, 11] Operation: 34-23=11 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 29:[28, 11], Operations: ['56-33=23', '34-23=11'] Exploring Operation: 28+11=39, Resulting Numbers: [39] 39,29 unequal: No Solution Exploring Operation: 28*11=308, Resulting Numbers: [308] 308,29 unequal: No Solution Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[34, 51], Operations: ['56-33=23', '28+23=51'] Exploring Operation: 34+51=85, Resulting Numbers: [85] 85,29 unequal: No Solution Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,29 unequal: No Solution Exploring Operation: 34*51=1734, Resulting Numbers: [1734] 1734,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[23, 6], Operations: ['56-33=23', '34-28=6'] Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[56, 34, 33, 28], Operations: [] Exploring Operation: 56-33=23, Resulting Numbers: [34, 28, 23] Generated Node #0,1: 29:[34, 28, 23] Operation: 56-33=23 Moving to Node #0,1 Current State: 29:[34, 28, 23], Operations: ['56-33=23'] Exploring Operation: 34-28=6, Resulting Numbers: [23, 6] Generated Node #0,1,1: 29:[23, 6] Operation: 34-28=6 Moving to Node #0,1,1 Current State: 29:[23, 6], Operations: ['56-33=23', '34-28=6'] Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 58, 77, 41, 29 ]
59
[ "58/29=2", "77+41=118", "118/2=59" ]
Current State: 59:[58, 77, 41, 29], Operations: [] Exploring Operation: 58/29=2, Resulting Numbers: [77, 41, 2] Generated Node #2: [77, 41, 2] from Operation: 58/29=2 Current State: 59:[77, 41, 2], Operations: ['58/29=2'] Exploring Operation: 77+41=118, Resulting Numbers: [2, 118] Generated Node #3: [2, 118] from Operation: 77+41=118 Current State: 59:[2, 118], Operations: ['58/29=2', '77+41=118'] Exploring Operation: 118/2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[58, 77, 41, 29], Operations: [] Exploring Operation: 77-29=48, Resulting Numbers: [58, 41, 48] Generated Node #0,0: 59:[58, 41, 48] Operation: 77-29=48 Exploring Operation: 41+29=70, Resulting Numbers: [58, 77, 70] Generated Node #0,1: 59:[58, 77, 70] Operation: 41+29=70 Moving to Node #0,0 Current State: 59:[58, 41, 48], Operations: ['77-29=48'] Exploring Operation: 41+48=89, Resulting Numbers: [58, 89] Generated Node #0,0,0: 59:[58, 89] Operation: 41+48=89 Exploring Operation: 58+41=99, Resulting Numbers: [48, 99] Generated Node #0,0,1: 59:[48, 99] Operation: 58+41=99 Moving to Node #0,1 Current State: 59:[58, 77, 70], Operations: ['41+29=70'] Exploring Operation: 77-58=19, Resulting Numbers: [70, 19] Generated Node #0,1,0: 59:[70, 19] Operation: 77-58=19 Exploring Operation: 77-70=7, Resulting Numbers: [58, 7] Generated Node #0,1,1: 59:[58, 7] Operation: 77-70=7 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[70, 19], Operations: ['41+29=70', '77-58=19'] Exploring Operation: 70-19=51, Resulting Numbers: [51] 51,59 unequal: No Solution Exploring Operation: 70+19=89, Resulting Numbers: [89] 89,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 59:[58, 7], Operations: ['41+29=70', '77-70=7'] Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,59 unequal: No Solution Exploring Operation: 58+7=65, Resulting Numbers: [65] 65,59 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: 59:[58, 89], Operations: ['77-29=48', '41+48=89'] Exploring Operation: 89-58=31, Resulting Numbers: [31] 31,59 unequal: No Solution Exploring Operation: 58+89=147, Resulting Numbers: [147] 147,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[48, 99], Operations: ['77-29=48', '58+41=99'] Exploring Operation: 99-48=51, Resulting Numbers: [51] 51,59 unequal: No Solution Exploring Operation: 48+99=147, Resulting Numbers: [147] 147,59 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 88, 72, 24, 15 ]
43
[ "72/24=3", "15*3=45", "88-45=43" ]
Current State: 43:[88, 72, 24, 15], Operations: [] Exploring Operation: 72/24=3, Resulting Numbers: [88, 15, 3] Generated Node #2: [88, 15, 3] from Operation: 72/24=3 Current State: 43:[88, 15, 3], Operations: ['72/24=3'] Exploring Operation: 15*3=45, Resulting Numbers: [88, 45] Generated Node #3: [88, 45] from Operation: 15*3=45 Current State: 43:[88, 45], Operations: ['72/24=3', '15*3=45'] Exploring Operation: 88-45=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[88, 72, 24, 15], Operations: [] Exploring Operation: 88-72=16, Resulting Numbers: [24, 15, 16] Generated Node #0,0: 43:[24, 15, 16] Operation: 88-72=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[24, 15, 16], Operations: ['88-72=16'] Exploring Operation: 24+15=39, Resulting Numbers: [16, 39] Generated Node #0,0,0: 43:[16, 39] Operation: 24+15=39 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[16, 39], Operations: ['88-72=16', '24+15=39'] Exploring Operation: 16+39=55, Resulting Numbers: [55] 55,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 24, 81, 46, 3 ]
14
[ "81-24=57", "46-3=43", "57-43=14" ]
Current State: 14:[24, 81, 46, 3], Operations: [] Exploring Operation: 81-24=57, Resulting Numbers: [46, 3, 57] Generated Node #2: [46, 3, 57] from Operation: 81-24=57 Current State: 14:[46, 3, 57], Operations: ['81-24=57'] Exploring Operation: 46-3=43, Resulting Numbers: [57, 43] Generated Node #3: [57, 43] from Operation: 46-3=43 Current State: 14:[57, 43], Operations: ['81-24=57', '46-3=43'] Exploring Operation: 57-43=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[24, 81, 46, 3], Operations: [] Exploring Operation: 81-46=35, Resulting Numbers: [24, 3, 35] Generated Node #0,0: 14:[24, 3, 35] Operation: 81-46=35 Moving to Node #0,0 Current State: 14:[24, 3, 35], Operations: ['81-46=35'] Exploring Operation: 35-24=11, Resulting Numbers: [3, 11] Generated Node #0,0,0: 14:[3, 11] Operation: 35-24=11 Moving to Node #0,0,0 Current State: 14:[3, 11], Operations: ['81-46=35', '35-24=11'] Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[24, 81, 46, 3], Operations: [] Exploring Operation: 81-46=35, Resulting Numbers: [24, 3, 35] Generated Node #0,0: 14:[24, 3, 35] Operation: 81-46=35 Moving to Node #0,0 Current State: 14:[24, 3, 35], Operations: ['81-46=35'] Exploring Operation: 35-24=11, Resulting Numbers: [3, 11] Generated Node #0,0,0: 14:[3, 11] Operation: 35-24=11 Moving to Node #0,0,0 Current State: 14:[3, 11], Operations: ['81-46=35', '35-24=11'] Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 83, 4, 14, 33 ]
40
[ "83+4=87", "14+33=47", "87-47=40" ]
Current State: 40:[83, 4, 14, 33], Operations: [] Exploring Operation: 83+4=87, Resulting Numbers: [14, 33, 87] Generated Node #2: [14, 33, 87] from Operation: 83+4=87 Current State: 40:[14, 33, 87], Operations: ['83+4=87'] Exploring Operation: 14+33=47, Resulting Numbers: [87, 47] Generated Node #3: [87, 47] from Operation: 14+33=47 Current State: 40:[87, 47], Operations: ['83+4=87', '14+33=47'] Exploring Operation: 87-47=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[83, 4, 14, 33], Operations: [] Exploring Operation: 83-33=50, Resulting Numbers: [4, 14, 50] Generated Node #0,0: 40:[4, 14, 50] Operation: 83-33=50 Moving to Node #0,0 Current State: 40:[4, 14, 50], Operations: ['83-33=50'] Exploring Operation: 50-14=36, Resulting Numbers: [4, 36] Generated Node #0,0,0: 40:[4, 36] Operation: 50-14=36 Moving to Node #0,0,0 Current State: 40:[4, 36], Operations: ['83-33=50', '50-14=36'] Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[83, 4, 14, 33], Operations: [] Exploring Operation: 83-33=50, Resulting Numbers: [4, 14, 50] Generated Node #0,0: 40:[4, 14, 50] Operation: 83-33=50 Moving to Node #0,0 Current State: 40:[4, 14, 50], Operations: ['83-33=50'] Exploring Operation: 50-14=36, Resulting Numbers: [4, 36] Generated Node #0,0,0: 40:[4, 36] Operation: 50-14=36 Moving to Node #0,0,0 Current State: 40:[4, 36], Operations: ['83-33=50', '50-14=36'] Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 94, 4, 21, 42 ]
52
[ "94+42=136", "4*21=84", "136-84=52" ]
Current State: 52:[94, 4, 21, 42], Operations: [] Exploring Operation: 94+42=136, Resulting Numbers: [4, 21, 136] Generated Node #2: [4, 21, 136] from Operation: 94+42=136 Current State: 52:[4, 21, 136], Operations: ['94+42=136'] Exploring Operation: 4*21=84, Resulting Numbers: [136, 84] Generated Node #3: [136, 84] from Operation: 4*21=84 Current State: 52:[136, 84], Operations: ['94+42=136', '4*21=84'] Exploring Operation: 136-84=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[94, 4, 21, 42], Operations: [] Exploring Operation: 94-42=52, Resulting Numbers: [4, 21, 52] Generated Node #0,0: 52:[4, 21, 52] Operation: 94-42=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[4, 21, 52], Operations: ['94-42=52'] Exploring Operation: 4+21=25, Resulting Numbers: [52, 25] Generated Node #0,0,0: 52:[52, 25] Operation: 4+21=25 Moving to Node #0,0,0 Current State: 52:[52, 25], Operations: ['94-42=52', '4+21=25'] Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,52 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
[ 96, 1, 36, 3 ]
21
[ "96-36=60", "60/3=20", "1+20=21" ]
Current State: 21:[96, 1, 36, 3], Operations: [] Exploring Operation: 96-36=60, Resulting Numbers: [1, 3, 60] Generated Node #2: [1, 3, 60] from Operation: 96-36=60 Current State: 21:[1, 3, 60], Operations: ['96-36=60'] Exploring Operation: 60/3=20, Resulting Numbers: [1, 20] Generated Node #3: [1, 20] from Operation: 60/3=20 Current State: 21:[1, 20], Operations: ['96-36=60', '60/3=20'] Exploring Operation: 1+20=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[96, 1, 36, 3], Operations: [] Exploring Operation: 96/3=32, Resulting Numbers: [1, 36, 32] Generated Node #0,0: 21:[1, 36, 32] Operation: 96/3=32 Moving to Node #0,0 Current State: 21:[1, 36, 32], Operations: ['96/3=32'] Exploring Operation: 36-32=4, Resulting Numbers: [1, 4] Generated Node #0,0,0: 21:[1, 4] Operation: 36-32=4 Moving to Node #0,0,0 Current State: 21:[1, 4], Operations: ['96/3=32', '36-32=4'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,21 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 90, 3, 58, 7 ]
89
[ "90-58=32", "3*32=96", "96-7=89" ]
Current State: 89:[90, 3, 58, 7], Operations: [] Exploring Operation: 90-58=32, Resulting Numbers: [3, 7, 32] Generated Node #2: [3, 7, 32] from Operation: 90-58=32 Current State: 89:[3, 7, 32], Operations: ['90-58=32'] Exploring Operation: 3*32=96, Resulting Numbers: [7, 96] Generated Node #3: [7, 96] from Operation: 3*32=96 Current State: 89:[7, 96], Operations: ['90-58=32', '3*32=96'] Exploring Operation: 96-7=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[90, 3, 58, 7], Operations: [] Exploring Operation: 3*7=21, Resulting Numbers: [90, 58, 21] Generated Node #0,0: 89:[90, 58, 21] Operation: 3*7=21 Exploring Operation: 58+7=65, Resulting Numbers: [90, 3, 65] Generated Node #0,1: 89:[90, 3, 65] Operation: 58+7=65 Exploring Operation: 3+7=10, Resulting Numbers: [90, 58, 10] Generated Node #0,2: 89:[90, 58, 10] Operation: 3+7=10 Exploring Operation: 90-3=87, Resulting Numbers: [58, 7, 87] Generated Node #0,3: 89:[58, 7, 87] Operation: 90-3=87 Exploring Operation: 3+58=61, Resulting Numbers: [90, 7, 61] Generated Node #0,4: 89:[90, 7, 61] Operation: 3+58=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[90, 58, 21], Operations: ['3*7=21'] Exploring Operation: 90-58=32, Resulting Numbers: [21, 32] Generated Node #0,0,0: 89:[21, 32] Operation: 90-58=32 Exploring Operation: 58+21=79, Resulting Numbers: [90, 79] Generated Node #0,0,1: 89:[90, 79] Operation: 58+21=79 Exploring Operation: 90-21=69, Resulting Numbers: [58, 69] Generated Node #0,0,2: 89:[58, 69] Operation: 90-21=69 Exploring Operation: 90+21=111, Resulting Numbers: [58, 111] Generated Node #0,0,3: 89:[58, 111] Operation: 90+21=111 Exploring Operation: 58-21=37, Resulting Numbers: [90, 37] Generated Node #0,0,4: 89:[90, 37] Operation: 58-21=37 Moving to Node #0,0,1 Current State: 89:[90, 79], Operations: ['3*7=21', '58+21=79'] Exploring Operation: 90+79=169, Resulting Numbers: [169] 169,89 unequal: No Solution Exploring Operation: 90-79=11, Resulting Numbers: [11] 11,89 unequal: No Solution Exploring Operation: 90*79=7110, Resulting Numbers: [7110] 7110,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[58, 69], Operations: ['3*7=21', '90-21=69'] Exploring Operation: 58+69=127, Resulting Numbers: [127] 127,89 unequal: No Solution Exploring Operation: 58*69=4002, Resulting Numbers: [4002] 4002,89 unequal: No Solution Exploring Operation: 69-58=11, Resulting Numbers: [11] 11,89 unequal: No Solution Moving to Node #0,0,3 Current State: 89:[58, 111], Operations: ['3*7=21', '90+21=111'] Exploring Operation: 58+111=169, Resulting Numbers: [169] 169,89 unequal: No Solution Exploring Operation: 111-58=53, Resulting Numbers: [53] 53,89 unequal: No Solution Exploring Operation: 58*111=6438, Resulting Numbers: [6438] 6438,89 unequal: No Solution Moving to Node #0,0,4 Current State: 89:[90, 37], Operations: ['3*7=21', '58-21=37'] Exploring Operation: 90*37=3330, Resulting Numbers: [3330] 3330,89 unequal: No Solution Exploring Operation: 90+37=127, Resulting Numbers: [127] 127,89 unequal: No Solution Exploring Operation: 90-37=53, Resulting Numbers: [53] 53,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[21, 32], Operations: ['3*7=21', '90-58=32'] Exploring Operation: 21*32=672, Resulting Numbers: [672] 672,89 unequal: No Solution Exploring Operation: 21+32=53, Resulting Numbers: [53] 53,89 unequal: No Solution Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[90, 3, 65], Operations: ['58+7=65'] Exploring Operation: 3+65=68, Resulting Numbers: [90, 68] Generated Node #0,1,0: 89:[90, 68] Operation: 3+65=68 Exploring Operation: 90-3=87, Resulting Numbers: [65, 87] Generated Node #0,1,1: 89:[65, 87] Operation: 90-3=87 Exploring Operation: 90+3=93, Resulting Numbers: [65, 93] Generated Node #0,1,2: 89:[65, 93] Operation: 90+3=93 Exploring Operation: 65-3=62, Resulting Numbers: [90, 62] Generated Node #0,1,3: 89:[90, 62] Operation: 65-3=62 Exploring Operation: 90/3=30, Resulting Numbers: [65, 30] Generated Node #0,1,4: 89:[65, 30] Operation: 90/3=30 Moving to Node #0,1,0 Current State: 89:[90, 68], Operations: ['58+7=65', '3+65=68'] Exploring Operation: 90*68=6120, Resulting Numbers: [6120] 6120,89 unequal: No Solution Exploring Operation: 90+68=158, Resulting Numbers: [158] 158,89 unequal: No Solution Exploring Operation: 90-68=22, Resulting Numbers: [22] 22,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[65, 87], Operations: ['58+7=65', '90-3=87'] Exploring Operation: 65+87=152, Resulting Numbers: [152] 152,89 unequal: No Solution Exploring Operation: 65*87=5655, Resulting Numbers: [5655] 5655,89 unequal: No Solution Exploring Operation: 87-65=22, Resulting Numbers: [22] 22,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[65, 93], Operations: ['58+7=65', '90+3=93'] Exploring Operation: 93-65=28, Resulting Numbers: [28] 28,89 unequal: No Solution Exploring Operation: 65*93=6045, Resulting Numbers: [6045] 6045,89 unequal: No Solution Exploring Operation: 65+93=158, Resulting Numbers: [158] 158,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[90, 62], Operations: ['58+7=65', '65-3=62'] Exploring Operation: 90+62=152, Resulting Numbers: [152] 152,89 unequal: No Solution Exploring Operation: 90-62=28, Resulting Numbers: [28] 28,89 unequal: No Solution Exploring Operation: 90*62=5580, Resulting Numbers: [5580] 5580,89 unequal: No Solution Moving to Node #0,1,4 Current State: 89:[65, 30], Operations: ['58+7=65', '90/3=30'] Exploring Operation: 65*30=1950, Resulting Numbers: [1950] 1950,89 unequal: No Solution Exploring Operation: 65+30=95, Resulting Numbers: [95] 95,89 unequal: No Solution Exploring Operation: 65-30=35, Resulting Numbers: [35] 35,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[90, 58, 10], Operations: ['3+7=10'] Exploring Operation: 90+10=100, Resulting Numbers: [58, 100] Generated Node #0,2,0: 89:[58, 100] Operation: 90+10=100 Exploring Operation: 58+10=68, Resulting Numbers: [90, 68] Generated Node #0,2,1: 89:[90, 68] Operation: 58+10=68 Exploring Operation: 90-10=80, Resulting Numbers: [58, 80] Generated Node #0,2,2: 89:[58, 80] Operation: 90-10=80 Exploring Operation: 58-10=48, Resulting Numbers: [90, 48] Generated Node #0,2,3: 89:[90, 48] Operation: 58-10=48 Exploring Operation: 90/10=9, Resulting Numbers: [58, 9] Generated Node #0,2,4: 89:[58, 9] Operation: 90/10=9 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 89:[90, 68], Operations: ['3+7=10', '58+10=68'] Exploring Operation: 90-68=22, Resulting Numbers: [22] 22,89 unequal: No Solution Exploring Operation: 90+68=158, Resulting Numbers: [158] 158,89 unequal: No Solution Exploring Operation: 90*68=6120, Resulting Numbers: [6120] 6120,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 89:[58, 80], Operations: ['3+7=10', '90-10=80'] Exploring Operation: 58*80=4640, Resulting Numbers: [4640] 4640,89 unequal: No Solution Exploring Operation: 58+80=138, Resulting Numbers: [138] 138,89 unequal: No Solution Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 89:[58, 100], Operations: ['3+7=10', '90+10=100'] Exploring Operation: 100-58=42, Resulting Numbers: [42] 42,89 unequal: No Solution Exploring Operation: 58+100=158, Resulting Numbers: [158] 158,89 unequal: No Solution Exploring Operation: 58*100=5800, Resulting Numbers: [5800] 5800,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 89:[90, 48], Operations: ['3+7=10', '58-10=48'] Exploring Operation: 90-48=42, Resulting Numbers: [42] 42,89 unequal: No Solution Exploring Operation: 90+48=138, Resulting Numbers: [138] 138,89 unequal: No Solution Exploring Operation: 90*48=4320, Resulting Numbers: [4320] 4320,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 89:[58, 9], Operations: ['3+7=10', '90/10=9'] Exploring Operation: 58*9=522, Resulting Numbers: [522] 522,89 unequal: No Solution Exploring Operation: 58+9=67, Resulting Numbers: [67] 67,89 unequal: No Solution Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 89:[90, 7, 61], Operations: ['3+58=61'] Exploring Operation: 7+61=68, Resulting Numbers: [90, 68] Generated Node #0,4,0: 89:[90, 68] Operation: 7+61=68 Exploring Operation: 90+7=97, Resulting Numbers: [61, 97] Generated Node #0,4,1: 89:[61, 97] Operation: 90+7=97 Exploring Operation: 90-7=83, Resulting Numbers: [61, 83] Generated Node #0,4,2: 89:[61, 83] Operation: 90-7=83 Exploring Operation: 61-7=54, Resulting Numbers: [90, 54] Generated Node #0,4,3: 89:[90, 54] Operation: 61-7=54 Exploring Operation: 90-61=29, Resulting Numbers: [7, 29] Generated Node #0,4,4: 89:[7, 29] Operation: 90-61=29 Moving to Node #0,4,0 Current State: 89:[90, 68], Operations: ['3+58=61', '7+61=68'] Exploring Operation: 90*68=6120, Resulting Numbers: [6120] 6120,89 unequal: No Solution Exploring Operation: 90+68=158, Resulting Numbers: [158] 158,89 unequal: No Solution Exploring Operation: 90-68=22, Resulting Numbers: [22] 22,89 unequal: No Solution Moving to Node #0,4,2 Current State: 89:[61, 83], Operations: ['3+58=61', '90-7=83'] Exploring Operation: 83-61=22, Resulting Numbers: [22] 22,89 unequal: No Solution Exploring Operation: 61*83=5063, Resulting Numbers: [5063] 5063,89 unequal: No Solution Exploring Operation: 61+83=144, Resulting Numbers: [144] 144,89 unequal: No Solution Moving to Node #0,4,1 Current State: 89:[61, 97], Operations: ['3+58=61', '90+7=97'] Exploring Operation: 61+97=158, Resulting Numbers: [158] 158,89 unequal: No Solution Exploring Operation: 97-61=36, Resulting Numbers: [36] 36,89 unequal: No Solution Exploring Operation: 61*97=5917, Resulting Numbers: [5917] 5917,89 unequal: No Solution Moving to Node #0,4,3 Current State: 89:[90, 54], Operations: ['3+58=61', '61-7=54'] Exploring Operation: 90*54=4860, Resulting Numbers: [4860] 4860,89 unequal: No Solution Exploring Operation: 90+54=144, Resulting Numbers: [144] 144,89 unequal: No Solution Exploring Operation: 90-54=36, Resulting Numbers: [36] 36,89 unequal: No Solution Moving to Node #0,4,4 Current State: 89:[7, 29], Operations: ['3+58=61', '90-61=29'] Exploring Operation: 7+29=36, Resulting Numbers: [36] 36,89 unequal: No Solution Exploring Operation: 7*29=203, Resulting Numbers: [203] 203,89 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 89:[58, 7, 87], Operations: ['90-3=87'] Exploring Operation: 58+87=145, Resulting Numbers: [7, 145] Generated Node #0,3,0: 89:[7, 145] Operation: 58+87=145 Exploring Operation: 87-7=80, Resulting Numbers: [58, 80] Generated Node #0,3,1: 89:[58, 80] Operation: 87-7=80 Exploring Operation: 7+87=94, Resulting Numbers: [58, 94] Generated Node #0,3,2: 89:[58, 94] Operation: 7+87=94 Exploring Operation: 58+7=65, Resulting Numbers: [87, 65] Generated Node #0,3,3: 89:[87, 65] Operation: 58+7=65 Exploring Operation: 58-7=51, Resulting Numbers: [87, 51] Generated Node #0,3,4: 89:[87, 51] Operation: 58-7=51 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 89:[87, 65], Operations: ['90-3=87', '58+7=65'] Exploring Operation: 87-65=22, Resulting Numbers: [22] 22,89 unequal: No Solution Exploring Operation: 87+65=152, Resulting Numbers: [152] 152,89 unequal: No Solution Exploring Operation: 87*65=5655, Resulting Numbers: [5655] 5655,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 89:[58, 94], Operations: ['90-3=87', '7+87=94'] Exploring Operation: 58*94=5452, Resulting Numbers: [5452] 5452,89 unequal: No Solution Exploring Operation: 58+94=152, Resulting Numbers: [152] 152,89 unequal: No Solution Exploring Operation: 94-58=36, Resulting Numbers: [36] 36,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 89:[58, 80], Operations: ['90-3=87', '87-7=80'] Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,89 unequal: No Solution Exploring Operation: 58*80=4640, Resulting Numbers: [4640] 4640,89 unequal: No Solution Exploring Operation: 58+80=138, Resulting Numbers: [138] 138,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 89:[87, 51], Operations: ['90-3=87', '58-7=51'] Exploring Operation: 87-51=36, Resulting Numbers: [36] 36,89 unequal: No Solution Exploring Operation: 87*51=4437, Resulting Numbers: [4437] 4437,89 unequal: No Solution Exploring Operation: 87+51=138, Resulting Numbers: [138] 138,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 89:[7, 145], Operations: ['90-3=87', '58+87=145'] Exploring Operation: 7*145=1015, Resulting Numbers: [1015] 1015,89 unequal: No Solution Exploring Operation: 145-7=138, Resulting Numbers: [138] 138,89 unequal: No Solution Exploring Operation: 7+145=152, Resulting Numbers: [152] 152,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 18, 54, 2, 44 ]
43
[ "54/18=3", "2+44=46", "46-3=43" ]
Current State: 43:[18, 54, 2, 44], Operations: [] Exploring Operation: 54/18=3, Resulting Numbers: [2, 44, 3] Generated Node #2: [2, 44, 3] from Operation: 54/18=3 Current State: 43:[2, 44, 3], Operations: ['54/18=3'] Exploring Operation: 2+44=46, Resulting Numbers: [3, 46] Generated Node #3: [3, 46] from Operation: 2+44=46 Current State: 43:[3, 46], Operations: ['54/18=3', '2+44=46'] Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[18, 54, 2, 44], Operations: [] Exploring Operation: 54-2=52, Resulting Numbers: [18, 44, 52] Generated Node #0,0: 43:[18, 44, 52] Operation: 54-2=52 Exploring Operation: 18*2=36, Resulting Numbers: [54, 44, 36] Generated Node #0,1: 43:[54, 44, 36] Operation: 18*2=36 Exploring Operation: 18+2=20, Resulting Numbers: [54, 44, 20] Generated Node #0,2: 43:[54, 44, 20] Operation: 18+2=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[54, 44, 36], Operations: ['18*2=36'] Exploring Operation: 54-44=10, Resulting Numbers: [36, 10] Generated Node #0,1,0: 43:[36, 10] Operation: 54-44=10 Exploring Operation: 44-36=8, Resulting Numbers: [54, 8] Generated Node #0,1,1: 43:[54, 8] Operation: 44-36=8 Exploring Operation: 54-36=18, Resulting Numbers: [44, 18] Generated Node #0,1,2: 43:[44, 18] Operation: 54-36=18 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 43:[44, 18], Operations: ['18*2=36', '54-36=18'] Exploring Operation: 44+18=62, Resulting Numbers: [62] 62,43 unequal: No Solution Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 44*18=792, Resulting Numbers: [792] 792,43 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:[36, 10], Operations: ['18*2=36', '54-44=10'] Exploring Operation: 36+10=46, Resulting Numbers: [46] 46,43 unequal: No Solution Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 36*10=360, Resulting Numbers: [360] 360,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[54, 8], Operations: ['18*2=36', '44-36=8'] Exploring Operation: 54*8=432, Resulting Numbers: [432] 432,43 unequal: No Solution Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,43 unequal: No Solution Exploring Operation: 54+8=62, Resulting Numbers: [62] 62,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[18, 44, 52], Operations: ['54-2=52'] Exploring Operation: 44-18=26, Resulting Numbers: [52, 26] Generated Node #0,0,0: 43:[52, 26] Operation: 44-18=26 Exploring Operation: 18+44=62, Resulting Numbers: [52, 62] Generated Node #0,0,1: 43:[52, 62] Operation: 18+44=62 Exploring Operation: 52-18=34, Resulting Numbers: [44, 34] Generated Node #0,0,2: 43:[44, 34] Operation: 52-18=34 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[44, 34], Operations: ['54-2=52', '52-18=34'] Exploring Operation: 44+34=78, Resulting Numbers: [78] 78,43 unequal: No Solution Exploring Operation: 44*34=1496, Resulting Numbers: [1496] 1496,43 unequal: No Solution Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,43 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 #0,0,0 Current State: 43:[52, 26], Operations: ['54-2=52', '44-18=26'] Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 52+26=78, Resulting Numbers: [78] 78,43 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:[52, 62], Operations: ['54-2=52', '18+44=62'] Exploring Operation: 62-52=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 52*62=3224, Resulting Numbers: [3224] 3224,43 unequal: No Solution Exploring Operation: 52+62=114, Resulting Numbers: [114] 114,43 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:[54, 44, 20], Operations: ['18+2=20'] Exploring Operation: 54-20=34, Resulting Numbers: [44, 34] Generated Node #0,2,0: 43:[44, 34] Operation: 54-20=34 Exploring Operation: 54+20=74, Resulting Numbers: [44, 74] Generated Node #0,2,1: 43:[44, 74] Operation: 54+20=74 Exploring Operation: 44-20=24, Resulting Numbers: [54, 24] Generated Node #0,2,2: 43:[54, 24] Operation: 44-20=24 Moving to Node #0,2,0 Current State: 43:[44, 34], Operations: ['18+2=20', '54-20=34'] Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 44+34=78, Resulting Numbers: [78] 78,43 unequal: No Solution Exploring Operation: 44*34=1496, Resulting Numbers: [1496] 1496,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[54, 24], Operations: ['18+2=20', '44-20=24'] Exploring Operation: 54-24=30, Resulting Numbers: [30] 30,43 unequal: No Solution Exploring Operation: 54*24=1296, Resulting Numbers: [1296] 1296,43 unequal: No Solution Exploring Operation: 54+24=78, Resulting Numbers: [78] 78,43 unequal: No Solution Moving to Node #0,2,1 Current State: 43:[44, 74], Operations: ['18+2=20', '54+20=74'] Exploring Operation: 44*74=3256, Resulting Numbers: [3256] 3256,43 unequal: No Solution Exploring Operation: 74-44=30, Resulting Numbers: [30] 30,43 unequal: No Solution Exploring Operation: 44+74=118, Resulting Numbers: [118] 118,43 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
[ 13, 42, 83, 4 ]
18
[ "13+83=96", "96/4=24", "42-24=18" ]
Current State: 18:[13, 42, 83, 4], Operations: [] Exploring Operation: 13+83=96, Resulting Numbers: [42, 4, 96] Generated Node #2: [42, 4, 96] from Operation: 13+83=96 Current State: 18:[42, 4, 96], Operations: ['13+83=96'] Exploring Operation: 96/4=24, Resulting Numbers: [42, 24] Generated Node #3: [42, 24] from Operation: 96/4=24 Current State: 18:[42, 24], Operations: ['13+83=96', '96/4=24'] Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[13, 42, 83, 4], Operations: [] Exploring Operation: 83-42=41, Resulting Numbers: [13, 4, 41] Generated Node #0,0: 18:[13, 4, 41] Operation: 83-42=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[13, 4, 41], Operations: ['83-42=41'] Exploring Operation: 41-13=28, Resulting Numbers: [4, 28] Generated Node #0,0,0: 18:[4, 28] Operation: 41-13=28 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[4, 28], Operations: ['83-42=41', '41-13=28'] Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 91, 4, 72, 43 ]
28
[ "91-4=87", "72+43=115", "115-87=28" ]
Current State: 28:[91, 4, 72, 43], Operations: [] Exploring Operation: 91-4=87, Resulting Numbers: [72, 43, 87] Generated Node #2: [72, 43, 87] from Operation: 91-4=87 Current State: 28:[72, 43, 87], Operations: ['91-4=87'] Exploring Operation: 72+43=115, Resulting Numbers: [87, 115] Generated Node #3: [87, 115] from Operation: 72+43=115 Current State: 28:[87, 115], Operations: ['91-4=87', '72+43=115'] Exploring Operation: 115-87=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[91, 4, 72, 43], Operations: [] Exploring Operation: 72/4=18, Resulting Numbers: [91, 43, 18] Generated Node #0,0: 28:[91, 43, 18] Operation: 72/4=18 Exploring Operation: 91-43=48, Resulting Numbers: [4, 72, 48] Generated Node #0,1: 28:[4, 72, 48] Operation: 91-43=48 Exploring Operation: 72-43=29, Resulting Numbers: [91, 4, 29] Generated Node #0,2: 28:[91, 4, 29] Operation: 72-43=29 Exploring Operation: 91-72=19, Resulting Numbers: [4, 43, 19] Generated Node #0,3: 28:[4, 43, 19] Operation: 91-72=19 Start Sub Search at level 1: Moving to Node #0,3 Current State: 28:[4, 43, 19], Operations: ['91-72=19'] Exploring Operation: 19-4=15, Resulting Numbers: [43, 15] Generated Node #0,3,0: 28:[43, 15] Operation: 19-4=15 Exploring Operation: 43-4=39, Resulting Numbers: [19, 39] Generated Node #0,3,1: 28:[19, 39] Operation: 43-4=39 Exploring Operation: 43-19=24, Resulting Numbers: [4, 24] Generated Node #0,3,2: 28:[4, 24] Operation: 43-19=24 Exploring Operation: 4+19=23, Resulting Numbers: [43, 23] Generated Node #0,3,3: 28:[43, 23] Operation: 4+19=23 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 28:[4, 24], Operations: ['91-72=19', '43-19=24'] Exploring Operation: 4*24=96, Resulting Numbers: [96] 96,28 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,28 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[91, 4, 72, 43], Operations: [] Exploring Operation: 91-72=19, Resulting Numbers: [4, 43, 19] Generated Node #0,3: 28:[4, 43, 19] Operation: 91-72=19 Moving to Node #0,3 Current State: 28:[4, 43, 19], Operations: ['91-72=19'] Exploring Operation: 43-19=24, Resulting Numbers: [4, 24] Generated Node #0,3,2: 28:[4, 24] Operation: 43-19=24 Moving to Node #0,3,2 Current State: 28:[4, 24], Operations: ['91-72=19', '43-19=24'] Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 13, 62, 32, 50 ]
67
[ "62-13=49", "50-32=18", "49+18=67" ]
Current State: 67:[13, 62, 32, 50], Operations: [] Exploring Operation: 62-13=49, Resulting Numbers: [32, 50, 49] Generated Node #2: [32, 50, 49] from Operation: 62-13=49 Current State: 67:[32, 50, 49], Operations: ['62-13=49'] Exploring Operation: 50-32=18, Resulting Numbers: [49, 18] Generated Node #3: [49, 18] from Operation: 50-32=18 Current State: 67:[49, 18], Operations: ['62-13=49', '50-32=18'] Exploring Operation: 49+18=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[13, 62, 32, 50], Operations: [] Exploring Operation: 32-13=19, Resulting Numbers: [62, 50, 19] Generated Node #0,0: 67:[62, 50, 19] Operation: 32-13=19 Exploring Operation: 62-13=49, Resulting Numbers: [32, 50, 49] Generated Node #0,1: 67:[32, 50, 49] Operation: 62-13=49 Exploring Operation: 13+32=45, Resulting Numbers: [62, 50, 45] Generated Node #0,2: 67:[62, 50, 45] Operation: 13+32=45 Exploring Operation: 13+50=63, Resulting Numbers: [62, 32, 63] Generated Node #0,3: 67:[62, 32, 63] Operation: 13+50=63 Exploring Operation: 13+62=75, Resulting Numbers: [32, 50, 75] Generated Node #0,4: 67:[32, 50, 75] Operation: 13+62=75 Moving to Node #0,2 Current State: 67:[62, 50, 45], Operations: ['13+32=45'] Exploring Operation: 50+45=95, Resulting Numbers: [62, 95] Generated Node #0,2,0: 67:[62, 95] Operation: 50+45=95 Exploring Operation: 62-45=17, Resulting Numbers: [50, 17] Generated Node #0,2,1: 67:[50, 17] Operation: 62-45=17 Exploring Operation: 50-45=5, Resulting Numbers: [62, 5] Generated Node #0,2,2: 67:[62, 5] Operation: 50-45=5 Exploring Operation: 62+50=112, Resulting Numbers: [45, 112] Generated Node #0,2,3: 67:[45, 112] Operation: 62+50=112 Exploring Operation: 62+45=107, Resulting Numbers: [50, 107] Generated Node #0,2,4: 67:[50, 107] Operation: 62+45=107 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[62, 95], Operations: ['13+32=45', '50+45=95'] Exploring Operation: 95-62=33, Resulting Numbers: [33] 33,67 unequal: No Solution Exploring Operation: 62*95=5890, Resulting Numbers: [5890] 5890,67 unequal: No Solution Exploring Operation: 62+95=157, Resulting Numbers: [157] 157,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 67:[50, 107], Operations: ['13+32=45', '62+45=107'] Exploring Operation: 107-50=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 50*107=5350, Resulting Numbers: [5350] 5350,67 unequal: No Solution Exploring Operation: 50+107=157, Resulting Numbers: [157] 157,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[50, 17], Operations: ['13+32=45', '62-45=17'] Exploring Operation: 50+17=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[13, 62, 32, 50], Operations: [] Exploring Operation: 13+32=45, Resulting Numbers: [62, 50, 45] Generated Node #0,2: 67:[62, 50, 45] Operation: 13+32=45 Moving to Node #0,2 Current State: 67:[62, 50, 45], Operations: ['13+32=45'] Exploring Operation: 62-45=17, Resulting Numbers: [50, 17] Generated Node #0,2,1: 67:[50, 17] Operation: 62-45=17 Moving to Node #0,2,1 Current State: 67:[50, 17], Operations: ['13+32=45', '62-45=17'] Exploring Operation: 50+17=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 2, 62, 73, 35 ]
65
[ "2*35=70", "62+73=135", "135-70=65" ]
Current State: 65:[2, 62, 73, 35], Operations: [] Exploring Operation: 2*35=70, Resulting Numbers: [62, 73, 70] Generated Node #2: [62, 73, 70] from Operation: 2*35=70 Current State: 65:[62, 73, 70], Operations: ['2*35=70'] Exploring Operation: 62+73=135, Resulting Numbers: [70, 135] Generated Node #3: [70, 135] from Operation: 62+73=135 Current State: 65:[70, 135], Operations: ['2*35=70', '62+73=135'] Exploring Operation: 135-70=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[2, 62, 73, 35], Operations: [] Exploring Operation: 2*35=70, Resulting Numbers: [62, 73, 70] Generated Node #0,0: 65:[62, 73, 70] Operation: 2*35=70 Exploring Operation: 2+62=64, Resulting Numbers: [73, 35, 64] Generated Node #0,1: 65:[73, 35, 64] Operation: 2+62=64 Exploring Operation: 62-35=27, Resulting Numbers: [2, 73, 27] Generated Node #0,2: 65:[2, 73, 27] Operation: 62-35=27 Exploring Operation: 73-62=11, Resulting Numbers: [2, 35, 11] Generated Node #0,3: 65:[2, 35, 11] Operation: 73-62=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[62, 73, 70], Operations: ['2*35=70'] Exploring Operation: 70-62=8, Resulting Numbers: [73, 8] Generated Node #0,0,0: 65:[73, 8] Operation: 70-62=8 Exploring Operation: 73-62=11, Resulting Numbers: [70, 11] Generated Node #0,0,1: 65:[70, 11] Operation: 73-62=11 Exploring Operation: 62+73=135, Resulting Numbers: [70, 135] Generated Node #0,0,2: 65:[70, 135] Operation: 62+73=135 Exploring Operation: 73-70=3, Resulting Numbers: [62, 3] Generated Node #0,0,3: 65:[62, 3] Operation: 73-70=3 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 65:[62, 3], Operations: ['2*35=70', '73-70=3'] Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 62*3=186, Resulting Numbers: [186] 186,65 unequal: No Solution Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[2, 62, 73, 35], Operations: [] Exploring Operation: 2*35=70, Resulting Numbers: [62, 73, 70] Generated Node #0,0: 65:[62, 73, 70] Operation: 2*35=70 Moving to Node #0,0 Current State: 65:[62, 73, 70], Operations: ['2*35=70'] Exploring Operation: 73-70=3, Resulting Numbers: [62, 3] Generated Node #0,0,3: 65:[62, 3] Operation: 73-70=3 Moving to Node #0,0,3 Current State: 65:[62, 3], Operations: ['2*35=70', '73-70=3'] Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 84, 49, 14, 40 ]
56
[ "49*40=1960", "1960/14=140", "140-84=56" ]
Current State: 56:[84, 49, 14, 40], Operations: [] Exploring Operation: 49*40=1960, Resulting Numbers: [84, 14, 1960] Generated Node #2: [84, 14, 1960] from Operation: 49*40=1960 Current State: 56:[84, 14, 1960], Operations: ['49*40=1960'] Exploring Operation: 1960/14=140, Resulting Numbers: [84, 140] Generated Node #3: [84, 140] from Operation: 1960/14=140 Current State: 56:[84, 140], Operations: ['49*40=1960', '1960/14=140'] Exploring Operation: 140-84=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[84, 49, 14, 40], Operations: [] Exploring Operation: 84/14=6, Resulting Numbers: [49, 40, 6] Generated Node #0,0: 56:[49, 40, 6] Operation: 84/14=6 Exploring Operation: 84-49=35, Resulting Numbers: [14, 40, 35] Generated Node #0,1: 56:[14, 40, 35] Operation: 84-49=35 Exploring Operation: 84-40=44, Resulting Numbers: [49, 14, 44] Generated Node #0,2: 56:[49, 14, 44] Operation: 84-40=44 Moving to Node #0,1 Current State: 56:[14, 40, 35], Operations: ['84-49=35'] Exploring Operation: 40-14=26, Resulting Numbers: [35, 26] Generated Node #0,1,0: 56:[35, 26] Operation: 40-14=26 Exploring Operation: 40-35=5, Resulting Numbers: [14, 5] Generated Node #0,1,1: 56:[14, 5] Operation: 40-35=5 Exploring Operation: 14+40=54, Resulting Numbers: [35, 54] Generated Node #0,1,2: 56:[35, 54] Operation: 14+40=54 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 56:[14, 5], Operations: ['84-49=35', '40-35=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,56 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,56 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 56:[35, 26], Operations: ['84-49=35', '40-14=26'] Exploring Operation: 35+26=61, Resulting Numbers: [61] 61,56 unequal: No Solution Exploring Operation: 35*26=910, Resulting Numbers: [910] 910,56 unequal: No Solution Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 56:[35, 54], Operations: ['84-49=35', '14+40=54'] Exploring Operation: 54-35=19, Resulting Numbers: [19] 19,56 unequal: No Solution Exploring Operation: 35*54=1890, Resulting Numbers: [1890] 1890,56 unequal: No Solution Exploring Operation: 35+54=89, Resulting Numbers: [89] 89,56 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: 56:[49, 14, 44], Operations: ['84-40=44'] Exploring Operation: 14+44=58, Resulting Numbers: [49, 58] Generated Node #0,2,0: 56:[49, 58] Operation: 14+44=58 Exploring Operation: 44-14=30, Resulting Numbers: [49, 30] Generated Node #0,2,1: 56:[49, 30] Operation: 44-14=30 Exploring Operation: 49-44=5, Resulting Numbers: [14, 5] Generated Node #0,2,2: 56:[14, 5] Operation: 49-44=5 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 56:[14, 5], Operations: ['84-40=44', '49-44=5'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,56 unequal: No Solution Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 56:[49, 58], Operations: ['84-40=44', '14+44=58'] Exploring Operation: 58-49=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 49+58=107, Resulting Numbers: [107] 107,56 unequal: No Solution Exploring Operation: 49*58=2842, Resulting Numbers: [2842] 2842,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 56:[49, 30], Operations: ['84-40=44', '44-14=30'] Exploring Operation: 49+30=79, Resulting Numbers: [79] 79,56 unequal: No Solution Exploring Operation: 49*30=1470, Resulting Numbers: [1470] 1470,56 unequal: No Solution Exploring Operation: 49-30=19, Resulting Numbers: [19] 19,56 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: 56:[49, 40, 6], Operations: ['84/14=6'] Exploring Operation: 40-6=34, Resulting Numbers: [49, 34] Generated Node #0,0,0: 56:[49, 34] Operation: 40-6=34 Exploring Operation: 49+6=55, Resulting Numbers: [40, 55] Generated Node #0,0,1: 56:[40, 55] Operation: 49+6=55 Exploring Operation: 49-40=9, Resulting Numbers: [6, 9] Generated Node #0,0,2: 56:[6, 9] Operation: 49-40=9 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 56:[6, 9], Operations: ['84/14=6', '49-40=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,56 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,56 unequal: No Solution Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[49, 34], Operations: ['84/14=6', '40-6=34'] Exploring Operation: 49+34=83, Resulting Numbers: [83] 83,56 unequal: No Solution Exploring Operation: 49*34=1666, Resulting Numbers: [1666] 1666,56 unequal: No Solution Exploring Operation: 49-34=15, Resulting Numbers: [15] 15,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 56:[40, 55], Operations: ['84/14=6', '49+6=55'] Exploring Operation: 55-40=15, Resulting Numbers: [15] 15,56 unequal: No Solution Exploring Operation: 40*55=2200, Resulting Numbers: [2200] 2200,56 unequal: No Solution Exploring Operation: 40+55=95, Resulting Numbers: [95] 95,56 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
[ 85, 5, 68, 80 ]
69
[ "85-5=80", "80/80=1", "68+1=69" ]
Current State: 69:[85, 5, 68, 80], Operations: [] Exploring Operation: 85-5=80, Resulting Numbers: [68, 80, 80] Generated Node #2: [68, 80, 80] from Operation: 85-5=80 Current State: 69:[68, 80, 80], Operations: ['85-5=80'] Exploring Operation: 80/80=1, Resulting Numbers: [68, 1] Generated Node #3: [68, 1] from Operation: 80/80=1 Current State: 69:[68, 1], Operations: ['85-5=80', '80/80=1'] Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[85, 5, 68, 80], Operations: [] Exploring Operation: 85-5=80, Resulting Numbers: [68, 80, 80] Generated Node #0,0: 69:[68, 80, 80] Operation: 85-5=80 Exploring Operation: 85-68=17, Resulting Numbers: [5, 80, 17] Generated Node #0,1: 69:[5, 80, 17] Operation: 85-68=17 Exploring Operation: 85-80=5, Resulting Numbers: [5, 68, 5] Generated Node #0,2: 69:[5, 68, 5] Operation: 85-80=5 Exploring Operation: 85/5=17, Resulting Numbers: [68, 80, 17] Generated Node #0,3: 69:[68, 80, 17] Operation: 85/5=17 Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[5, 68, 5], Operations: ['85-80=5'] Exploring Operation: 5*5=25, Resulting Numbers: [68, 25] Generated Node #0,2,0: 69:[68, 25] Operation: 5*5=25 Exploring Operation: 5-5=0, Resulting Numbers: [68, 0] Generated Node #0,2,1: 69:[68, 0] Operation: 5-5=0 Exploring Operation: 5+68=73, Resulting Numbers: [5, 73] Generated Node #0,2,2: 69:[5, 73] Operation: 5+68=73 Exploring Operation: 5/5=1, Resulting Numbers: [68, 1] Generated Node #0,2,3: 69:[68, 1] Operation: 5/5=1 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 69:[68, 25], Operations: ['85-80=5', '5*5=25'] Exploring Operation: 68*25=1700, Resulting Numbers: [1700] 1700,69 unequal: No Solution Exploring Operation: 68-25=43, Resulting Numbers: [43] 43,69 unequal: No Solution Exploring Operation: 68+25=93, Resulting Numbers: [93] 93,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 69:[68, 1], Operations: ['85-80=5', '5/5=1'] Exploring Operation: 68-1=67, Resulting Numbers: [67] 67,69 unequal: No Solution Exploring Operation: 68/1=68, Resulting Numbers: [68] 68,69 unequal: No Solution Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[85, 5, 68, 80], Operations: [] Exploring Operation: 85-80=5, Resulting Numbers: [5, 68, 5] Generated Node #0,2: 69:[5, 68, 5] Operation: 85-80=5 Moving to Node #0,2 Current State: 69:[5, 68, 5], Operations: ['85-80=5'] Exploring Operation: 5/5=1, Resulting Numbers: [68, 1] Generated Node #0,2,3: 69:[68, 1] Operation: 5/5=1 Moving to Node #0,2,3 Current State: 69:[68, 1], Operations: ['85-80=5', '5/5=1'] Exploring Operation: 68+1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 59, 46, 38, 99 ]
92
[ "59+38=97", "99-97=2", "46*2=92" ]
Current State: 92:[59, 46, 38, 99], Operations: [] Exploring Operation: 59+38=97, Resulting Numbers: [46, 99, 97] Generated Node #2: [46, 99, 97] from Operation: 59+38=97 Current State: 92:[46, 99, 97], Operations: ['59+38=97'] Exploring Operation: 99-97=2, Resulting Numbers: [46, 2] Generated Node #3: [46, 2] from Operation: 99-97=2 Current State: 92:[46, 2], Operations: ['59+38=97', '99-97=2'] Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[59, 46, 38, 99], Operations: [] Exploring Operation: 59+38=97, Resulting Numbers: [46, 99, 97] Generated Node #0,0: 92:[46, 99, 97] Operation: 59+38=97 Exploring Operation: 59-38=21, Resulting Numbers: [46, 99, 21] Generated Node #0,1: 92:[46, 99, 21] Operation: 59-38=21 Exploring Operation: 59-46=13, Resulting Numbers: [38, 99, 13] Generated Node #0,2: 92:[38, 99, 13] Operation: 59-46=13 Exploring Operation: 99-59=40, Resulting Numbers: [46, 38, 40] Generated Node #0,3: 92:[46, 38, 40] Operation: 99-59=40 Exploring Operation: 46-38=8, Resulting Numbers: [59, 99, 8] Generated Node #0,4: 92:[59, 99, 8] Operation: 46-38=8 Moving to Node #0,1 Current State: 92:[46, 99, 21], Operations: ['59-38=21'] Exploring Operation: 46-21=25, Resulting Numbers: [99, 25] Generated Node #0,1,0: 92:[99, 25] Operation: 46-21=25 Exploring Operation: 46+21=67, Resulting Numbers: [99, 67] Generated Node #0,1,1: 92:[99, 67] Operation: 46+21=67 Exploring Operation: 99-21=78, Resulting Numbers: [46, 78] Generated Node #0,1,2: 92:[46, 78] Operation: 99-21=78 Exploring Operation: 99-46=53, Resulting Numbers: [21, 53] Generated Node #0,1,3: 92:[21, 53] Operation: 99-46=53 Exploring Operation: 99+21=120, Resulting Numbers: [46, 120] Generated Node #0,1,4: 92:[46, 120] Operation: 99+21=120 Moving to Node #0,0 Current State: 92:[46, 99, 97], Operations: ['59+38=97'] Exploring Operation: 46+97=143, Resulting Numbers: [99, 143] Generated Node #0,0,0: 92:[99, 143] Operation: 46+97=143 Exploring Operation: 99-97=2, Resulting Numbers: [46, 2] Generated Node #0,0,1: 92:[46, 2] Operation: 99-97=2 Exploring Operation: 99-46=53, Resulting Numbers: [97, 53] Generated Node #0,0,2: 92:[97, 53] Operation: 99-46=53 Exploring Operation: 46+99=145, Resulting Numbers: [97, 145] Generated Node #0,0,3: 92:[97, 145] Operation: 46+99=145 Exploring Operation: 97-46=51, Resulting Numbers: [99, 51] Generated Node #0,0,4: 92:[99, 51] Operation: 97-46=51 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 92:[46, 2], Operations: ['59+38=97', '99-97=2'] Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,92 unequal: No Solution Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[59, 46, 38, 99], Operations: [] Exploring Operation: 59+38=97, Resulting Numbers: [46, 99, 97] Generated Node #0,0: 92:[46, 99, 97] Operation: 59+38=97 Moving to Node #0,0 Current State: 92:[46, 99, 97], Operations: ['59+38=97'] Exploring Operation: 99-97=2, Resulting Numbers: [46, 2] Generated Node #0,0,1: 92:[46, 2] Operation: 99-97=2 Moving to Node #0,0,1 Current State: 92:[46, 2], Operations: ['59+38=97', '99-97=2'] Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 72, 84, 15, 24 ]
51
[ "84-72=12", "15+24=39", "12+39=51" ]
Current State: 51:[72, 84, 15, 24], Operations: [] Exploring Operation: 84-72=12, Resulting Numbers: [15, 24, 12] Generated Node #2: [15, 24, 12] from Operation: 84-72=12 Current State: 51:[15, 24, 12], Operations: ['84-72=12'] Exploring Operation: 15+24=39, Resulting Numbers: [12, 39] Generated Node #3: [12, 39] from Operation: 15+24=39 Current State: 51:[12, 39], Operations: ['84-72=12', '15+24=39'] Exploring Operation: 12+39=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[72, 84, 15, 24], Operations: [] Exploring Operation: 84-72=12, Resulting Numbers: [15, 24, 12] Generated Node #0,0: 51:[15, 24, 12] Operation: 84-72=12 Exploring Operation: 72/24=3, Resulting Numbers: [84, 15, 3] Generated Node #0,1: 51:[84, 15, 3] Operation: 72/24=3 Exploring Operation: 72-15=57, Resulting Numbers: [84, 24, 57] Generated Node #0,2: 51:[84, 24, 57] Operation: 72-15=57 Exploring Operation: 72-24=48, Resulting Numbers: [84, 15, 48] Generated Node #0,3: 51:[84, 15, 48] Operation: 72-24=48 Exploring Operation: 84-24=60, Resulting Numbers: [72, 15, 60] Generated Node #0,4: 51:[72, 15, 60] Operation: 84-24=60 Moving to Node #0,0 Current State: 51:[15, 24, 12], Operations: ['84-72=12'] Exploring Operation: 15-12=3, Resulting Numbers: [24, 3] Generated Node #0,0,0: 51:[24, 3] Operation: 15-12=3 Exploring Operation: 24/12=2, Resulting Numbers: [15, 2] Generated Node #0,0,1: 51:[15, 2] Operation: 24/12=2 Exploring Operation: 15+24=39, Resulting Numbers: [12, 39] Generated Node #0,0,2: 51:[12, 39] Operation: 15+24=39 Exploring Operation: 24-15=9, Resulting Numbers: [12, 9] Generated Node #0,0,3: 51:[12, 9] Operation: 24-15=9 Exploring Operation: 24-12=12, Resulting Numbers: [15, 12] Generated Node #0,0,4: 51:[15, 12] Operation: 24-12=12 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 51:[15, 2], Operations: ['84-72=12', '24/12=2'] Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,51 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[24, 3], Operations: ['84-72=12', '15-12=3'] Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,51 unequal: No Solution Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,51 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,51 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 51:[15, 12], Operations: ['84-72=12', '24-12=12'] Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,51 unequal: No Solution Exploring Operation: 15*12=180, Resulting Numbers: [180] 180,51 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 51:[12, 9], Operations: ['84-72=12', '24-15=9'] Exploring Operation: 12*9=108, Resulting Numbers: [108] 108,51 unequal: No Solution Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,51 unequal: No Solution Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 51:[12, 39], Operations: ['84-72=12', '15+24=39'] Exploring Operation: 12*39=468, Resulting Numbers: [468] 468,51 unequal: No Solution Exploring Operation: 39-12=27, Resulting Numbers: [27] 27,51 unequal: No Solution Exploring Operation: 12+39=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[72, 84, 15, 24], Operations: [] Exploring Operation: 84-72=12, Resulting Numbers: [15, 24, 12] Generated Node #0,0: 51:[15, 24, 12] Operation: 84-72=12 Moving to Node #0,0 Current State: 51:[15, 24, 12], Operations: ['84-72=12'] Exploring Operation: 15+24=39, Resulting Numbers: [12, 39] Generated Node #0,0,2: 51:[12, 39] Operation: 15+24=39 Moving to Node #0,0,2 Current State: 51:[12, 39], Operations: ['84-72=12', '15+24=39'] Exploring Operation: 12+39=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_5
sum_heuristic
[ 29, 13, 16, 15 ]
39
[ "29+16=45", "13*45=585", "585/15=39" ]
Current State: 39:[29, 13, 16, 15], Operations: [] Exploring Operation: 29+16=45, Resulting Numbers: [13, 15, 45] Generated Node #2: [13, 15, 45] from Operation: 29+16=45 Current State: 39:[13, 15, 45], Operations: ['29+16=45'] Exploring Operation: 13*45=585, Resulting Numbers: [15, 585] Generated Node #3: [15, 585] from Operation: 13*45=585 Current State: 39:[15, 585], Operations: ['29+16=45', '13*45=585'] Exploring Operation: 585/15=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[29, 13, 16, 15], Operations: [] Exploring Operation: 29+13=42, Resulting Numbers: [16, 15, 42] Generated Node #0,0: 39:[16, 15, 42] Operation: 29+13=42 Exploring Operation: 29-15=14, Resulting Numbers: [13, 16, 14] Generated Node #0,1: 39:[13, 16, 14] Operation: 29-15=14 Exploring Operation: 29-16=13, Resulting Numbers: [13, 15, 13] Generated Node #0,2: 39:[13, 15, 13] Operation: 29-16=13 Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[13, 15, 13], Operations: ['29-16=13'] Exploring Operation: 15-13=2, Resulting Numbers: [13, 2] Generated Node #0,2,0: 39:[13, 2] Operation: 15-13=2 Exploring Operation: 15-13=2, Resulting Numbers: [13, 2] Generated Node #0,2,1: 39:[13, 2] Operation: 15-13=2 Exploring Operation: 13/13=1, Resulting Numbers: [15, 1] Generated Node #0,2,2: 39:[15, 1] Operation: 13/13=1 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 39:[13, 2], Operations: ['29-16=13', '15-13=2'] Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,39 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:[13, 2], Operations: ['29-16=13', '15-13=2'] Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,39 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 #0,2,2 Current State: 39:[15, 1], Operations: ['29-16=13', '13/13=1'] Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[13, 16, 14], Operations: ['29-15=14'] Exploring Operation: 16-14=2, Resulting Numbers: [13, 2] Generated Node #0,1,0: 39:[13, 2] Operation: 16-14=2 Exploring Operation: 16-13=3, Resulting Numbers: [14, 3] Generated Node #0,1,1: 39:[14, 3] Operation: 16-13=3 Exploring Operation: 14-13=1, Resulting Numbers: [16, 1] Generated Node #0,1,2: 39:[16, 1] Operation: 14-13=1 Moving to Node #0,1,0 Current State: 39:[13, 2], Operations: ['29-15=14', '16-14=2'] Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[14, 3], Operations: ['29-15=14', '16-13=3'] Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,39 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[16, 1], Operations: ['29-15=14', '14-13=1'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,39 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:[16, 15, 42], Operations: ['29+13=42'] Exploring Operation: 42-16=26, Resulting Numbers: [15, 26] Generated Node #0,0,0: 39:[15, 26] Operation: 42-16=26 Exploring Operation: 16-15=1, Resulting Numbers: [42, 1] Generated Node #0,0,1: 39:[42, 1] Operation: 16-15=1 Exploring Operation: 16+15=31, Resulting Numbers: [42, 31] Generated Node #0,0,2: 39:[42, 31] Operation: 16+15=31 Moving to Node #0,0,1 Current State: 39:[42, 1], Operations: ['29+13=42', '16-15=1'] Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,39 unequal: No Solution Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 42*1=42, Resulting Numbers: [42] 42,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[42, 31], Operations: ['29+13=42', '16+15=31'] Exploring Operation: 42+31=73, Resulting Numbers: [73] 73,39 unequal: No Solution Exploring Operation: 42*31=1302, Resulting Numbers: [1302] 1302,39 unequal: No Solution Exploring Operation: 42-31=11, Resulting Numbers: [11] 11,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[15, 26], Operations: ['29+13=42', '42-16=26'] Exploring Operation: 15*26=390, Resulting Numbers: [390] 390,39 unequal: No Solution Exploring Operation: 15+26=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 69, 81, 3, 58 ]
16
[ "69-58=11", "81/3=27", "27-11=16" ]
Current State: 16:[69, 81, 3, 58], Operations: [] Exploring Operation: 69-58=11, Resulting Numbers: [81, 3, 11] Generated Node #2: [81, 3, 11] from Operation: 69-58=11 Current State: 16:[81, 3, 11], Operations: ['69-58=11'] Exploring Operation: 81/3=27, Resulting Numbers: [11, 27] Generated Node #3: [11, 27] from Operation: 81/3=27 Current State: 16:[11, 27], Operations: ['69-58=11', '81/3=27'] Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[69, 81, 3, 58], Operations: [] Exploring Operation: 81-58=23, Resulting Numbers: [69, 3, 23] Generated Node #0,0: 16:[69, 3, 23] Operation: 81-58=23 Exploring Operation: 69-58=11, Resulting Numbers: [81, 3, 11] Generated Node #0,1: 16:[81, 3, 11] Operation: 69-58=11 Exploring Operation: 81-69=12, Resulting Numbers: [3, 58, 12] Generated Node #0,2: 16:[3, 58, 12] Operation: 81-69=12 Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[3, 58, 12], Operations: ['81-69=12'] Exploring Operation: 12/3=4, Resulting Numbers: [58, 4] Generated Node #0,2,0: 16:[58, 4] Operation: 12/3=4 Exploring Operation: 58-3=55, Resulting Numbers: [12, 55] Generated Node #0,2,1: 16:[12, 55] Operation: 58-3=55 Exploring Operation: 58-12=46, Resulting Numbers: [3, 46] Generated Node #0,2,2: 16:[3, 46] Operation: 58-12=46 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 16:[3, 46], Operations: ['81-69=12', '58-12=46'] Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,16 unequal: No Solution Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,16 unequal: No Solution Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,16 unequal: No Solution No 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: 16:[58, 4], Operations: ['81-69=12', '12/3=4'] Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,16 unequal: No Solution Exploring Operation: 58+4=62, Resulting Numbers: [62] 62,16 unequal: No Solution Exploring Operation: 58*4=232, Resulting Numbers: [232] 232,16 unequal: No Solution No 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: 16:[12, 55], Operations: ['81-69=12', '58-3=55'] Exploring Operation: 12*55=660, Resulting Numbers: [660] 660,16 unequal: No Solution Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,16 unequal: No Solution Exploring Operation: 12+55=67, Resulting Numbers: [67] 67,16 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: 16:[69, 3, 23], Operations: ['81-58=23'] Exploring Operation: 69-23=46, Resulting Numbers: [3, 46] Generated Node #0,0,0: 16:[3, 46] Operation: 69-23=46 Exploring Operation: 69/23=3, Resulting Numbers: [3, 3] Generated Node #0,0,1: 16:[3, 3] Operation: 69/23=3 Exploring Operation: 69/3=23, Resulting Numbers: [23, 23] Generated Node #0,0,2: 16:[23, 23] Operation: 69/3=23 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 16:[3, 3], Operations: ['81-58=23', '69/23=3'] Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,16 unequal: No Solution No 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: 16:[23, 23], Operations: ['81-58=23', '69/3=23'] Exploring Operation: 23-23=0, Resulting Numbers: [0] 0,16 unequal: No Solution Exploring Operation: 23+23=46, Resulting Numbers: [46] 46,16 unequal: No Solution Exploring Operation: 23/23=1, Resulting Numbers: [1] 1,16 unequal: No Solution No 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: 16:[3, 46], Operations: ['81-58=23', '69-23=46'] Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,16 unequal: No Solution Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,16 unequal: No Solution Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,16 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: 16:[81, 3, 11], Operations: ['69-58=11'] Exploring Operation: 81-3=78, Resulting Numbers: [11, 78] Generated Node #0,1,0: 16:[11, 78] Operation: 81-3=78 Exploring Operation: 81-11=70, Resulting Numbers: [3, 70] Generated Node #0,1,1: 16:[3, 70] Operation: 81-11=70 Exploring Operation: 81/3=27, Resulting Numbers: [11, 27] Generated Node #0,1,2: 16:[11, 27] Operation: 81/3=27 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 16:[11, 27], Operations: ['69-58=11', '81/3=27'] Exploring Operation: 11*27=297, Resulting Numbers: [297] 297,16 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[69, 81, 3, 58], Operations: [] Exploring Operation: 69-58=11, Resulting Numbers: [81, 3, 11] Generated Node #0,1: 16:[81, 3, 11] Operation: 69-58=11 Moving to Node #0,1 Current State: 16:[81, 3, 11], Operations: ['69-58=11'] Exploring Operation: 81/3=27, Resulting Numbers: [11, 27] Generated Node #0,1,2: 16:[11, 27] Operation: 81/3=27 Moving to Node #0,1,2 Current State: 16:[11, 27], Operations: ['69-58=11', '81/3=27'] Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_3
sum_heuristic
[ 94, 53, 62, 48 ]
69
[ "94-53=41", "62+48=110", "110-41=69" ]
Current State: 69:[94, 53, 62, 48], Operations: [] Exploring Operation: 94-53=41, Resulting Numbers: [62, 48, 41] Generated Node #2: [62, 48, 41] from Operation: 94-53=41 Current State: 69:[62, 48, 41], Operations: ['94-53=41'] Exploring Operation: 62+48=110, Resulting Numbers: [41, 110] Generated Node #3: [41, 110] from Operation: 62+48=110 Current State: 69:[41, 110], Operations: ['94-53=41', '62+48=110'] Exploring Operation: 110-41=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[94, 53, 62, 48], Operations: [] Exploring Operation: 53-48=5, Resulting Numbers: [94, 62, 5] Generated Node #0,0: 69:[94, 62, 5] Operation: 53-48=5 Exploring Operation: 94-53=41, Resulting Numbers: [62, 48, 41] Generated Node #0,1: 69:[62, 48, 41] Operation: 94-53=41 Exploring Operation: 94-62=32, Resulting Numbers: [53, 48, 32] Generated Node #0,2: 69:[53, 48, 32] Operation: 94-62=32 Exploring Operation: 94-48=46, Resulting Numbers: [53, 62, 46] Generated Node #0,3: 69:[53, 62, 46] Operation: 94-48=46 Moving to Node #0,0 Current State: 69:[94, 62, 5], Operations: ['53-48=5'] Exploring Operation: 94+5=99, Resulting Numbers: [62, 99] Generated Node #0,0,0: 69:[62, 99] Operation: 94+5=99 Exploring Operation: 94-62=32, Resulting Numbers: [5, 32] Generated Node #0,0,1: 69:[5, 32] Operation: 94-62=32 Exploring Operation: 62+5=67, Resulting Numbers: [94, 67] Generated Node #0,0,2: 69:[94, 67] Operation: 62+5=67 Exploring Operation: 94-5=89, Resulting Numbers: [62, 89] Generated Node #0,0,3: 69:[62, 89] Operation: 94-5=89 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 69:[5, 32], Operations: ['53-48=5', '94-62=32'] Exploring Operation: 5*32=160, Resulting Numbers: [160] 160,69 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,69 unequal: No Solution Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 69:[94, 67], Operations: ['53-48=5', '62+5=67'] Exploring Operation: 94*67=6298, Resulting Numbers: [6298] 6298,69 unequal: No Solution Exploring Operation: 94+67=161, Resulting Numbers: [161] 161,69 unequal: No Solution Exploring Operation: 94-67=27, Resulting Numbers: [27] 27,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 69:[62, 89], Operations: ['53-48=5', '94-5=89'] Exploring Operation: 89-62=27, Resulting Numbers: [27] 27,69 unequal: No Solution Exploring Operation: 62+89=151, Resulting Numbers: [151] 151,69 unequal: No Solution Exploring Operation: 62*89=5518, Resulting Numbers: [5518] 5518,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[62, 99], Operations: ['53-48=5', '94+5=99'] Exploring Operation: 62*99=6138, Resulting Numbers: [6138] 6138,69 unequal: No Solution Exploring Operation: 62+99=161, Resulting Numbers: [161] 161,69 unequal: No Solution Exploring Operation: 99-62=37, Resulting Numbers: [37] 37,69 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: 69:[53, 48, 32], Operations: ['94-62=32'] Exploring Operation: 48+32=80, Resulting Numbers: [53, 80] Generated Node #0,2,0: 69:[53, 80] Operation: 48+32=80 Exploring Operation: 53-48=5, Resulting Numbers: [32, 5] Generated Node #0,2,1: 69:[32, 5] Operation: 53-48=5 Exploring Operation: 53-32=21, Resulting Numbers: [48, 21] Generated Node #0,2,2: 69:[48, 21] Operation: 53-32=21 Exploring Operation: 48-32=16, Resulting Numbers: [53, 16] Generated Node #0,2,3: 69:[53, 16] Operation: 48-32=16 Moving to Node #0,1 Current State: 69:[62, 48, 41], Operations: ['94-53=41'] Exploring Operation: 48-41=7, Resulting Numbers: [62, 7] Generated Node #0,1,0: 69:[62, 7] Operation: 48-41=7 Exploring Operation: 62-41=21, Resulting Numbers: [48, 21] Generated Node #0,1,1: 69:[48, 21] Operation: 62-41=21 Exploring Operation: 48+41=89, Resulting Numbers: [62, 89] Generated Node #0,1,2: 69:[62, 89] Operation: 48+41=89 Exploring Operation: 62-48=14, Resulting Numbers: [41, 14] Generated Node #0,1,3: 69:[41, 14] Operation: 62-48=14 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 69:[62, 7], Operations: ['94-53=41', '48-41=7'] Exploring Operation: 62+7=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[94, 53, 62, 48], Operations: [] Exploring Operation: 94-53=41, Resulting Numbers: [62, 48, 41] Generated Node #0,1: 69:[62, 48, 41] Operation: 94-53=41 Moving to Node #0,1 Current State: 69:[62, 48, 41], Operations: ['94-53=41'] Exploring Operation: 48-41=7, Resulting Numbers: [62, 7] Generated Node #0,1,0: 69:[62, 7] Operation: 48-41=7 Moving to Node #0,1,0 Current State: 69:[62, 7], Operations: ['94-53=41', '48-41=7'] Exploring Operation: 62+7=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
mult_heuristic
[ 11, 1, 82, 16 ]
87
[ "11*1=11", "82+16=98", "98-11=87" ]
Current State: 87:[11, 1, 82, 16], Operations: [] Exploring Operation: 11*1=11, Resulting Numbers: [82, 16, 11] Generated Node #2: [82, 16, 11] from Operation: 11*1=11 Current State: 87:[82, 16, 11], Operations: ['11*1=11'] Exploring Operation: 82+16=98, Resulting Numbers: [11, 98] Generated Node #3: [11, 98] from Operation: 82+16=98 Current State: 87:[11, 98], Operations: ['11*1=11', '82+16=98'] Exploring Operation: 98-11=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[11, 1, 82, 16], Operations: [] Exploring Operation: 11+82=93, Resulting Numbers: [1, 16, 93] Generated Node #0,0: 87:[1, 16, 93] Operation: 11+82=93 Exploring Operation: 11+16=27, Resulting Numbers: [1, 82, 27] Generated Node #0,1: 87:[1, 82, 27] Operation: 11+16=27 Exploring Operation: 16-11=5, Resulting Numbers: [1, 82, 5] Generated Node #0,2: 87:[1, 82, 5] Operation: 16-11=5 Moving to Node #0,1 Current State: 87:[1, 82, 27], Operations: ['11+16=27'] Exploring Operation: 1+82=83, Resulting Numbers: [27, 83] Generated Node #0,1,0: 87:[27, 83] Operation: 1+82=83 Exploring Operation: 1*82=82, Resulting Numbers: [27, 82] Generated Node #0,1,1: 87:[27, 82] Operation: 1*82=82 Exploring Operation: 1+27=28, Resulting Numbers: [82, 28] Generated Node #0,1,2: 87:[82, 28] Operation: 1+27=28 Moving to Node #0,2 Current State: 87:[1, 82, 5], Operations: ['16-11=5'] Exploring Operation: 82+5=87, Resulting Numbers: [1, 87] Generated Node #0,2,0: 87:[1, 87] Operation: 82+5=87 Exploring Operation: 5-1=4, Resulting Numbers: [82, 4] Generated Node #0,2,1: 87:[82, 4] Operation: 5-1=4 Exploring Operation: 1+82=83, Resulting Numbers: [5, 83] Generated Node #0,2,2: 87:[5, 83] Operation: 1+82=83 Moving to Node #0,0 Current State: 87:[1, 16, 93], Operations: ['11+82=93'] Exploring Operation: 1+16=17, Resulting Numbers: [93, 17] Generated Node #0,0,0: 87:[93, 17] Operation: 1+16=17 Exploring Operation: 16-1=15, Resulting Numbers: [93, 15] Generated Node #0,0,1: 87:[93, 15] Operation: 16-1=15 Exploring Operation: 93-16=77, Resulting Numbers: [1, 77] Generated Node #0,0,2: 87:[1, 77] Operation: 93-16=77 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 87:[1, 77], Operations: ['11+82=93', '93-16=77'] Exploring Operation: 77/1=77, Resulting Numbers: [77] 77,87 unequal: No Solution Exploring Operation: 1+77=78, Resulting Numbers: [78] 78,87 unequal: No Solution Exploring Operation: 1*77=77, Resulting Numbers: [77] 77,87 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 #0,0,0 Current State: 87:[93, 17], Operations: ['11+82=93', '1+16=17'] Exploring Operation: 93+17=110, Resulting Numbers: [110] 110,87 unequal: No Solution Exploring Operation: 93*17=1581, Resulting Numbers: [1581] 1581,87 unequal: No Solution Exploring Operation: 93-17=76, Resulting Numbers: [76] 76,87 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 #0,0,1 Current State: 87:[93, 15], Operations: ['11+82=93', '16-1=15'] Exploring Operation: 93-15=78, Resulting Numbers: [78] 78,87 unequal: No Solution Exploring Operation: 93*15=1395, Resulting Numbers: [1395] 1395,87 unequal: No Solution Exploring Operation: 93+15=108, Resulting Numbers: [108] 108,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 87:[1, 87], Operations: ['16-11=5', '82+5=87'] Exploring Operation: 1*87=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[11, 1, 82, 16], Operations: [] Exploring Operation: 16-11=5, Resulting Numbers: [1, 82, 5] Generated Node #0,2: 87:[1, 82, 5] Operation: 16-11=5 Moving to Node #0,2 Current State: 87:[1, 82, 5], Operations: ['16-11=5'] Exploring Operation: 82+5=87, Resulting Numbers: [1, 87] Generated Node #0,2,0: 87:[1, 87] Operation: 82+5=87 Moving to Node #0,2,0 Current State: 87:[1, 87], Operations: ['16-11=5', '82+5=87'] Exploring Operation: 1*87=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.977431
hs_3
sum_heuristic
[ 87, 27, 50, 10 ]
11
[ "87-27=60", "50+60=110", "110/10=11" ]
Current State: 11:[87, 27, 50, 10], Operations: [] Exploring Operation: 87-27=60, Resulting Numbers: [50, 10, 60] Generated Node #2: [50, 10, 60] from Operation: 87-27=60 Current State: 11:[50, 10, 60], Operations: ['87-27=60'] Exploring Operation: 50+60=110, Resulting Numbers: [10, 110] Generated Node #3: [10, 110] from Operation: 50+60=110 Current State: 11:[10, 110], Operations: ['87-27=60', '50+60=110'] Exploring Operation: 110/10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[87, 27, 50, 10], Operations: [] Exploring Operation: 50/10=5, Resulting Numbers: [87, 27, 5] Generated Node #0,0: 11:[87, 27, 5] Operation: 50/10=5 Exploring Operation: 87-50=37, Resulting Numbers: [27, 10, 37] Generated Node #0,1: 11:[27, 10, 37] Operation: 87-50=37 Exploring Operation: 87-27=60, Resulting Numbers: [50, 10, 60] Generated Node #0,2: 11:[50, 10, 60] Operation: 87-27=60 Exploring Operation: 50-27=23, Resulting Numbers: [87, 10, 23] Generated Node #0,3: 11:[87, 10, 23] Operation: 50-27=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[27, 10, 37], Operations: ['87-50=37'] Exploring Operation: 27-10=17, Resulting Numbers: [37, 17] Generated Node #0,1,0: 11:[37, 17] Operation: 27-10=17 Exploring Operation: 37-10=27, Resulting Numbers: [27, 27] Generated Node #0,1,1: 11:[27, 27] Operation: 37-10=27 Exploring Operation: 37-27=10, Resulting Numbers: [10, 10] Generated Node #0,1,2: 11:[10, 10] Operation: 37-27=10 Exploring Operation: 27+10=37, Resulting Numbers: [37, 37] Generated Node #0,1,3: 11:[37, 37] Operation: 27+10=37 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 11:[10, 10], Operations: ['87-50=37', '37-27=10'] Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,11 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,11 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[37, 17], Operations: ['87-50=37', '27-10=17'] Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 37+17=54, Resulting Numbers: [54] 54,11 unequal: No Solution Exploring Operation: 37*17=629, Resulting Numbers: [629] 629,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 11:[27, 27], Operations: ['87-50=37', '37-10=27'] Exploring Operation: 27*27=729, Resulting Numbers: [729] 729,11 unequal: No Solution Exploring Operation: 27/27=1, Resulting Numbers: [1] 1,11 unequal: No Solution Exploring Operation: 27+27=54, Resulting Numbers: [54] 54,11 unequal: No Solution Exploring Operation: 27-27=0, Resulting Numbers: [0] 0,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 11:[37, 37], Operations: ['87-50=37', '27+10=37'] Exploring Operation: 37*37=1369, Resulting Numbers: [1369] 1369,11 unequal: No Solution Exploring Operation: 37-37=0, Resulting Numbers: [0] 0,11 unequal: No Solution Exploring Operation: 37+37=74, Resulting Numbers: [74] 74,11 unequal: No Solution Exploring Operation: 37/37=1, Resulting Numbers: [1] 1,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[50, 10, 60], Operations: ['87-27=60'] Exploring Operation: 60/10=6, Resulting Numbers: [50, 6] Generated Node #0,2,0: 11:[50, 6] Operation: 60/10=6 Exploring Operation: 50-10=40, Resulting Numbers: [60, 40] Generated Node #0,2,1: 11:[60, 40] Operation: 50-10=40 Exploring Operation: 50/10=5, Resulting Numbers: [60, 5] Generated Node #0,2,2: 11:[60, 5] Operation: 50/10=5 Exploring Operation: 60-50=10, Resulting Numbers: [10, 10] Generated Node #0,2,3: 11:[10, 10] Operation: 60-50=10 Moving to Node #0,2,3 Current State: 11:[10, 10], Operations: ['87-27=60', '60-50=10'] Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,11 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,11 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,11 unequal: No Solution Moving to Node #0,2,0 Current State: 11:[50, 6], Operations: ['87-27=60', '60/10=6'] Exploring Operation: 50*6=300, Resulting Numbers: [300] 300,11 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,11 unequal: No Solution Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,11 unequal: No Solution Moving to Node #0,2,2 Current State: 11:[60, 5], Operations: ['87-27=60', '50/10=5'] Exploring Operation: 60+5=65, Resulting Numbers: [65] 65,11 unequal: No Solution Exploring Operation: 60*5=300, Resulting Numbers: [300] 300,11 unequal: No Solution Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,11 unequal: No Solution Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,11 unequal: No Solution Moving to Node #0,2,1 Current State: 11:[60, 40], Operations: ['87-27=60', '50-10=40'] Exploring Operation: 60*40=2400, Resulting Numbers: [2400] 2400,11 unequal: No Solution Exploring Operation: 60+40=100, Resulting Numbers: [100] 100,11 unequal: No Solution Exploring Operation: 60-40=20, Resulting Numbers: [20] 20,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 11:[87, 10, 23], Operations: ['50-27=23'] Exploring Operation: 87+10=97, Resulting Numbers: [23, 97] Generated Node #0,3,0: 11:[23, 97] Operation: 87+10=97 Exploring Operation: 23-10=13, Resulting Numbers: [87, 13] Generated Node #0,3,1: 11:[87, 13] Operation: 23-10=13 Exploring Operation: 87-10=77, Resulting Numbers: [23, 77] Generated Node #0,3,2: 11:[23, 77] Operation: 87-10=77 Exploring Operation: 87-23=64, Resulting Numbers: [10, 64] Generated Node #0,3,3: 11:[10, 64] Operation: 87-23=64 Moving to Node #0,3,3 Current State: 11:[10, 64], Operations: ['50-27=23', '87-23=64'] Exploring Operation: 10+64=74, Resulting Numbers: [74] 74,11 unequal: No Solution Exploring Operation: 10*64=640, Resulting Numbers: [640] 640,11 unequal: No Solution Exploring Operation: 64-10=54, Resulting Numbers: [54] 54,11 unequal: No Solution Moving to Node #0,3,2 Current State: 11:[23, 77], Operations: ['50-27=23', '87-10=77'] Exploring Operation: 23*77=1771, Resulting Numbers: [1771] 1771,11 unequal: No Solution Exploring Operation: 23+77=100, Resulting Numbers: [100] 100,11 unequal: No Solution Exploring Operation: 77-23=54, Resulting Numbers: [54] 54,11 unequal: No Solution Moving to Node #0,3,1 Current State: 11:[87, 13], Operations: ['50-27=23', '23-10=13'] Exploring Operation: 87-13=74, Resulting Numbers: [74] 74,11 unequal: No Solution Exploring Operation: 87*13=1131, Resulting Numbers: [1131] 1131,11 unequal: No Solution Exploring Operation: 87+13=100, Resulting Numbers: [100] 100,11 unequal: No Solution Moving to Node #0,3,0 Current State: 11:[23, 97], Operations: ['50-27=23', '87+10=97'] Exploring Operation: 23*97=2231, Resulting Numbers: [2231] 2231,11 unequal: No Solution Exploring Operation: 23+97=120, Resulting Numbers: [120] 120,11 unequal: No Solution Exploring Operation: 97-23=74, Resulting Numbers: [74] 74,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[87, 27, 5], Operations: ['50/10=5'] Exploring Operation: 87+5=92, Resulting Numbers: [27, 92] Generated Node #0,0,0: 11:[27, 92] Operation: 87+5=92 Exploring Operation: 87-27=60, Resulting Numbers: [5, 60] Generated Node #0,0,1: 11:[5, 60] Operation: 87-27=60 Exploring Operation: 87-5=82, Resulting Numbers: [27, 82] Generated Node #0,0,2: 11:[27, 82] Operation: 87-5=82 Exploring Operation: 27-5=22, Resulting Numbers: [87, 22] Generated Node #0,0,3: 11:[87, 22] Operation: 27-5=22 Moving to Node #0,0,1 Current State: 11:[5, 60], Operations: ['50/10=5', '87-27=60'] Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,11 unequal: No Solution Exploring Operation: 5+60=65, Resulting Numbers: [65] 65,11 unequal: No Solution Exploring Operation: 5*60=300, Resulting Numbers: [300] 300,11 unequal: No Solution Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,11 unequal: No Solution Moving to Node #0,0,3 Current State: 11:[87, 22], Operations: ['50/10=5', '27-5=22'] Exploring Operation: 87+22=109, Resulting Numbers: [109] 109,11 unequal: No Solution Exploring Operation: 87-22=65, Resulting Numbers: [65] 65,11 unequal: No Solution Exploring Operation: 87*22=1914, Resulting Numbers: [1914] 1914,11 unequal: No Solution Moving to Node #0,0,2 Current State: 11:[27, 82], Operations: ['50/10=5', '87-5=82'] Exploring Operation: 27*82=2214, Resulting Numbers: [2214] 2214,11 unequal: No Solution Exploring Operation: 82-27=55, Resulting Numbers: [55] 55,11 unequal: No Solution Exploring Operation: 27+82=109, Resulting Numbers: [109] 109,11 unequal: No Solution Moving to Node #0,0,0 Current State: 11:[27, 92], Operations: ['50/10=5', '87+5=92'] Exploring Operation: 92-27=65, Resulting Numbers: [65] 65,11 unequal: No Solution Exploring Operation: 27*92=2484, Resulting Numbers: [2484] 2484,11 unequal: No Solution Exploring Operation: 27+92=119, Resulting Numbers: [119] 119,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 86, 47, 43, 55 ]
39
[ "86*47=4042", "4042/43=94", "94-55=39" ]
Current State: 39:[86, 47, 43, 55], Operations: [] Exploring Operation: 86*47=4042, Resulting Numbers: [43, 55, 4042] Generated Node #2: [43, 55, 4042] from Operation: 86*47=4042 Current State: 39:[43, 55, 4042], Operations: ['86*47=4042'] Exploring Operation: 4042/43=94, Resulting Numbers: [55, 94] Generated Node #3: [55, 94] from Operation: 4042/43=94 Current State: 39:[55, 94], Operations: ['86*47=4042', '4042/43=94'] Exploring Operation: 94-55=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[86, 47, 43, 55], Operations: [] Exploring Operation: 86-47=39, Resulting Numbers: [43, 55, 39] Generated Node #0,0: 39:[43, 55, 39] Operation: 86-47=39 Moving to Node #0,0 Current State: 39:[43, 55, 39], Operations: ['86-47=39'] Exploring Operation: 55-43=12, Resulting Numbers: [39, 12] Generated Node #0,0,0: 39:[39, 12] Operation: 55-43=12 Moving to Node #0,0,0 Current State: 39:[39, 12], Operations: ['86-47=39', '55-43=12'] Exploring Operation: 39+12=51, Resulting Numbers: [51] 51,39 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 83, 91, 30, 71 ]
49
[ "91-83=8", "71-30=41", "8+41=49" ]
Current State: 49:[83, 91, 30, 71], Operations: [] Exploring Operation: 91-83=8, Resulting Numbers: [30, 71, 8] Generated Node #2: [30, 71, 8] from Operation: 91-83=8 Current State: 49:[30, 71, 8], Operations: ['91-83=8'] Exploring Operation: 71-30=41, Resulting Numbers: [8, 41] Generated Node #3: [8, 41] from Operation: 71-30=41 Current State: 49:[8, 41], Operations: ['91-83=8', '71-30=41'] Exploring Operation: 8+41=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[83, 91, 30, 71], Operations: [] Exploring Operation: 91-83=8, Resulting Numbers: [30, 71, 8] Generated Node #0,0: 49:[30, 71, 8] Operation: 91-83=8 Moving to Node #0,0 Current State: 49:[30, 71, 8], Operations: ['91-83=8'] Exploring Operation: 71-30=41, Resulting Numbers: [8, 41] Generated Node #0,0,0: 49:[8, 41] Operation: 71-30=41 Moving to Node #0,0,0 Current State: 49:[8, 41], Operations: ['91-83=8', '71-30=41'] Exploring Operation: 8+41=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[83, 91, 30, 71], Operations: [] Exploring Operation: 91-83=8, Resulting Numbers: [30, 71, 8] Generated Node #0,0: 49:[30, 71, 8] Operation: 91-83=8 Moving to Node #0,0 Current State: 49:[30, 71, 8], Operations: ['91-83=8'] Exploring Operation: 71-30=41, Resulting Numbers: [8, 41] Generated Node #0,0,0: 49:[8, 41] Operation: 71-30=41 Moving to Node #0,0,0 Current State: 49:[8, 41], Operations: ['91-83=8', '71-30=41'] Exploring Operation: 8+41=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 67, 46, 71, 62 ]
12
[ "67-46=21", "71-62=9", "21-9=12" ]
Current State: 12:[67, 46, 71, 62], Operations: [] Exploring Operation: 67-46=21, Resulting Numbers: [71, 62, 21] Generated Node #2: [71, 62, 21] from Operation: 67-46=21 Current State: 12:[71, 62, 21], Operations: ['67-46=21'] Exploring Operation: 71-62=9, Resulting Numbers: [21, 9] Generated Node #3: [21, 9] from Operation: 71-62=9 Current State: 12:[21, 9], Operations: ['67-46=21', '71-62=9'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[67, 46, 71, 62], Operations: [] Exploring Operation: 67-62=5, Resulting Numbers: [46, 71, 5] Generated Node #0,0: 12:[46, 71, 5] Operation: 67-62=5 Exploring Operation: 71-67=4, Resulting Numbers: [46, 62, 4] Generated Node #0,1: 12:[46, 62, 4] Operation: 71-67=4 Exploring Operation: 71-62=9, Resulting Numbers: [67, 46, 9] Generated Node #0,2: 12:[67, 46, 9] Operation: 71-62=9 Moving to Node #0,1 Current State: 12:[46, 62, 4], Operations: ['71-67=4'] Exploring Operation: 62-46=16, Resulting Numbers: [4, 16] Generated Node #0,1,0: 12:[4, 16] Operation: 62-46=16 Exploring Operation: 46-4=42, Resulting Numbers: [62, 42] Generated Node #0,1,1: 12:[62, 42] Operation: 46-4=42 Exploring Operation: 62-4=58, Resulting Numbers: [46, 58] Generated Node #0,1,2: 12:[46, 58] Operation: 62-4=58 Moving to Node #0,2 Current State: 12:[67, 46, 9], Operations: ['71-62=9'] Exploring Operation: 67-9=58, Resulting Numbers: [46, 58] Generated Node #0,2,0: 12:[46, 58] Operation: 67-9=58 Exploring Operation: 46-9=37, Resulting Numbers: [67, 37] Generated Node #0,2,1: 12:[67, 37] Operation: 46-9=37 Exploring Operation: 67-46=21, Resulting Numbers: [9, 21] Generated Node #0,2,2: 12:[9, 21] Operation: 67-46=21 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 12:[9, 21], Operations: ['71-62=9', '67-46=21'] Exploring Operation: 9+21=30, Resulting Numbers: [30] 30,12 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[67, 46, 71, 62], Operations: [] Exploring Operation: 71-62=9, Resulting Numbers: [67, 46, 9] Generated Node #0,2: 12:[67, 46, 9] Operation: 71-62=9 Moving to Node #0,2 Current State: 12:[67, 46, 9], Operations: ['71-62=9'] Exploring Operation: 67-46=21, Resulting Numbers: [9, 21] Generated Node #0,2,2: 12:[9, 21] Operation: 67-46=21 Moving to Node #0,2,2 Current State: 12:[9, 21], Operations: ['71-62=9', '67-46=21'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 81, 22, 9, 22 ]
28
[ "81-22=59", "9+22=31", "59-31=28" ]
Current State: 28:[81, 22, 9, 22], Operations: [] Exploring Operation: 81-22=59, Resulting Numbers: [9, 59] Generated Node #2: [9, 59] from Operation: 81-22=59 Current State: 28:[9, 59], Operations: ['81-22=59'] Exploring Operation: 9+22=31, Resulting Numbers: [59, 31] Generated Node #3: [59, 31] from Operation: 9+22=31 Current State: 28:[59, 31], Operations: ['81-22=59', '9+22=31'] Exploring Operation: 59-31=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[81, 22, 9, 22], Operations: [] Exploring Operation: 81/9=9, Resulting Numbers: [22, 22, 9] Generated Node #0,0: 28:[22, 22, 9] Operation: 81/9=9 Exploring Operation: 81-22=59, Resulting Numbers: [22, 9, 59] Generated Node #0,1: 28:[22, 9, 59] Operation: 81-22=59 Exploring Operation: 81-9=72, Resulting Numbers: [22, 22, 72] Generated Node #0,2: 28:[22, 22, 72] Operation: 81-9=72 Exploring Operation: 81-22=59, Resulting Numbers: [9, 22, 59] Generated Node #0,3: 28:[9, 22, 59] Operation: 81-22=59 Moving to Node #0,0 Current State: 28:[22, 22, 9], Operations: ['81/9=9'] Exploring Operation: 22-9=13, Resulting Numbers: [22, 13] Generated Node #0,0,0: 28:[22, 13] Operation: 22-9=13 Exploring Operation: 22-22=0, Resulting Numbers: [9, 0] Generated Node #0,0,1: 28:[9, 0] Operation: 22-22=0 Exploring Operation: 22/22=1, Resulting Numbers: [9, 1] Generated Node #0,0,2: 28:[9, 1] Operation: 22/22=1 Exploring Operation: 22-9=13, Resulting Numbers: [22, 13] Generated Node #0,0,3: 28:[22, 13] Operation: 22-9=13 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 28:[9, 1], Operations: ['81/9=9', '22/22=1'] Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,28 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,28 unequal: No Solution Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,28 unequal: No Solution Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,28 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 #0,0,1 Current State: 28:[9, 0], Operations: ['81/9=9', '22-22=0'] Exploring Operation: 9*0=0, Resulting Numbers: [0] 0,28 unequal: No Solution Exploring Operation: 9-0=9, Resulting Numbers: [9] 9,28 unequal: No Solution Exploring Operation: 9+0=9, Resulting Numbers: [9] 9,28 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 #0,0,0 Current State: 28:[22, 13], Operations: ['81/9=9', '22-9=13'] Exploring Operation: 22+13=35, Resulting Numbers: [35] 35,28 unequal: No Solution Exploring Operation: 22*13=286, Resulting Numbers: [286] 286,28 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,28 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 #0,0,3 Current State: 28:[22, 13], Operations: ['81/9=9', '22-9=13'] Exploring Operation: 22+13=35, Resulting Numbers: [35] 35,28 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,28 unequal: No Solution Exploring Operation: 22*13=286, Resulting Numbers: [286] 286,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 28:[9, 22, 59], Operations: ['81-22=59'] Exploring Operation: 59-22=37, Resulting Numbers: [9, 37] Generated Node #0,3,0: 28:[9, 37] Operation: 59-22=37 Exploring Operation: 9+22=31, Resulting Numbers: [59, 31] Generated Node #0,3,1: 28:[59, 31] Operation: 9+22=31 Exploring Operation: 22-9=13, Resulting Numbers: [59, 13] Generated Node #0,3,2: 28:[59, 13] Operation: 22-9=13 Exploring Operation: 59-9=50, Resulting Numbers: [22, 50] Generated Node #0,3,3: 28:[22, 50] Operation: 59-9=50 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 28:[9, 37], Operations: ['81-22=59', '59-22=37'] Exploring Operation: 9*37=333, Resulting Numbers: [333] 333,28 unequal: No Solution Exploring Operation: 9+37=46, Resulting Numbers: [46] 46,28 unequal: No Solution Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[81, 22, 9, 22], Operations: [] Exploring Operation: 81-22=59, Resulting Numbers: [9, 22, 59] Generated Node #0,3: 28:[9, 22, 59] Operation: 81-22=59 Moving to Node #0,3 Current State: 28:[9, 22, 59], Operations: ['81-22=59'] Exploring Operation: 59-22=37, Resulting Numbers: [9, 37] Generated Node #0,3,0: 28:[9, 37] Operation: 59-22=37 Moving to Node #0,3,0 Current State: 28:[9, 37], Operations: ['81-22=59', '59-22=37'] Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
mult_heuristic
[ 37, 10, 11, 83 ]
67
[ "37-10=27", "11+83=94", "94-27=67" ]
Current State: 67:[37, 10, 11, 83], Operations: [] Exploring Operation: 37-10=27, Resulting Numbers: [11, 83, 27] Generated Node #2: [11, 83, 27] from Operation: 37-10=27 Current State: 67:[11, 83, 27], Operations: ['37-10=27'] Exploring Operation: 11+83=94, Resulting Numbers: [27, 94] Generated Node #3: [27, 94] from Operation: 11+83=94 Current State: 67:[27, 94], Operations: ['37-10=27', '11+83=94'] Exploring Operation: 94-27=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[37, 10, 11, 83], Operations: [] Exploring Operation: 37+11=48, Resulting Numbers: [10, 83, 48] Generated Node #0,0: 67:[10, 83, 48] Operation: 37+11=48 Exploring Operation: 10*11=110, Resulting Numbers: [37, 83, 110] Generated Node #0,1: 67:[37, 83, 110] Operation: 10*11=110 Exploring Operation: 10+11=21, Resulting Numbers: [37, 83, 21] Generated Node #0,2: 67:[37, 83, 21] Operation: 10+11=21 Exploring Operation: 83-10=73, Resulting Numbers: [37, 11, 73] Generated Node #0,3: 67:[37, 11, 73] Operation: 83-10=73 Exploring Operation: 37+10=47, Resulting Numbers: [11, 83, 47] Generated Node #0,4: 67:[11, 83, 47] Operation: 37+10=47 Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[37, 83, 110], Operations: ['10*11=110'] Exploring Operation: 83-37=46, Resulting Numbers: [110, 46] Generated Node #0,1,0: 67:[110, 46] Operation: 83-37=46 Exploring Operation: 110-37=73, Resulting Numbers: [83, 73] Generated Node #0,1,1: 67:[83, 73] Operation: 110-37=73 Exploring Operation: 110-83=27, Resulting Numbers: [37, 27] Generated Node #0,1,2: 67:[37, 27] Operation: 110-83=27 Exploring Operation: 37+83=120, Resulting Numbers: [110, 120] Generated Node #0,1,3: 67:[110, 120] Operation: 37+83=120 Exploring Operation: 37+110=147, Resulting Numbers: [83, 147] Generated Node #0,1,4: 67:[83, 147] Operation: 37+110=147 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 67:[83, 73], Operations: ['10*11=110', '110-37=73'] Exploring Operation: 83-73=10, Resulting Numbers: [10] 10,67 unequal: No Solution Exploring Operation: 83+73=156, Resulting Numbers: [156] 156,67 unequal: No Solution Exploring Operation: 83*73=6059, Resulting Numbers: [6059] 6059,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[110, 46], Operations: ['10*11=110', '83-37=46'] Exploring Operation: 110+46=156, Resulting Numbers: [156] 156,67 unequal: No Solution Exploring Operation: 110*46=5060, Resulting Numbers: [5060] 5060,67 unequal: No Solution Exploring Operation: 110-46=64, Resulting Numbers: [64] 64,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 67:[37, 27], Operations: ['10*11=110', '110-83=27'] Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,67 unequal: No Solution Exploring Operation: 37+27=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 37*27=999, Resulting Numbers: [999] 999,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 67:[110, 120], Operations: ['10*11=110', '37+83=120'] Exploring Operation: 110+120=230, Resulting Numbers: [230] 230,67 unequal: No Solution Exploring Operation: 110*120=13200, Resulting Numbers: [13200] 13200,67 unequal: No Solution Exploring Operation: 120-110=10, Resulting Numbers: [10] 10,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 67:[83, 147], Operations: ['10*11=110', '37+110=147'] Exploring Operation: 147-83=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 83+147=230, Resulting Numbers: [230] 230,67 unequal: No Solution Exploring Operation: 83*147=12201, Resulting Numbers: [12201] 12201,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[10, 83, 48], Operations: ['37+11=48'] Exploring Operation: 83-48=35, Resulting Numbers: [10, 35] Generated Node #0,0,0: 67:[10, 35] Operation: 83-48=35 Exploring Operation: 10+83=93, Resulting Numbers: [48, 93] Generated Node #0,0,1: 67:[48, 93] Operation: 10+83=93 Exploring Operation: 83-10=73, Resulting Numbers: [48, 73] Generated Node #0,0,2: 67:[48, 73] Operation: 83-10=73 Exploring Operation: 48-10=38, Resulting Numbers: [83, 38] Generated Node #0,0,3: 67:[83, 38] Operation: 48-10=38 Exploring Operation: 10+48=58, Resulting Numbers: [83, 58] Generated Node #0,0,4: 67:[83, 58] Operation: 10+48=58 Moving to Node #0,0,2 Current State: 67:[48, 73], Operations: ['37+11=48', '83-10=73'] Exploring Operation: 73-48=25, Resulting Numbers: [25] 25,67 unequal: No Solution Exploring Operation: 48*73=3504, Resulting Numbers: [3504] 3504,67 unequal: No Solution Exploring Operation: 48+73=121, Resulting Numbers: [121] 121,67 unequal: No Solution Moving to Node #0,0,4 Current State: 67:[83, 58], Operations: ['37+11=48', '10+48=58'] Exploring Operation: 83-58=25, Resulting Numbers: [25] 25,67 unequal: No Solution Exploring Operation: 83+58=141, Resulting Numbers: [141] 141,67 unequal: No Solution Exploring Operation: 83*58=4814, Resulting Numbers: [4814] 4814,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[48, 93], Operations: ['37+11=48', '10+83=93'] Exploring Operation: 93-48=45, Resulting Numbers: [45] 45,67 unequal: No Solution Exploring Operation: 48*93=4464, Resulting Numbers: [4464] 4464,67 unequal: No Solution Exploring Operation: 48+93=141, Resulting Numbers: [141] 141,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[83, 38], Operations: ['37+11=48', '48-10=38'] Exploring Operation: 83-38=45, Resulting Numbers: [45] 45,67 unequal: No Solution Exploring Operation: 83*38=3154, Resulting Numbers: [3154] 3154,67 unequal: No Solution Exploring Operation: 83+38=121, Resulting Numbers: [121] 121,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[10, 35], Operations: ['37+11=48', '83-48=35'] Exploring Operation: 10*35=350, Resulting Numbers: [350] 350,67 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,67 unequal: No Solution Exploring Operation: 10+35=45, Resulting Numbers: [45] 45,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[37, 83, 21], Operations: ['10+11=21'] Exploring Operation: 83+21=104, Resulting Numbers: [37, 104] Generated Node #0,2,0: 67:[37, 104] Operation: 83+21=104 Exploring Operation: 37-21=16, Resulting Numbers: [83, 16] Generated Node #0,2,1: 67:[83, 16] Operation: 37-21=16 Exploring Operation: 37+21=58, Resulting Numbers: [83, 58] Generated Node #0,2,2: 67:[83, 58] Operation: 37+21=58 Exploring Operation: 83-37=46, Resulting Numbers: [21, 46] Generated Node #0,2,3: 67:[21, 46] Operation: 83-37=46 Exploring Operation: 83-21=62, Resulting Numbers: [37, 62] Generated Node #0,2,4: 67:[37, 62] Operation: 83-21=62 Moving to Node #0,2,2 Current State: 67:[83, 58], Operations: ['10+11=21', '37+21=58'] Exploring Operation: 83+58=141, Resulting Numbers: [141] 141,67 unequal: No Solution Exploring Operation: 83*58=4814, Resulting Numbers: [4814] 4814,67 unequal: No Solution Exploring Operation: 83-58=25, Resulting Numbers: [25] 25,67 unequal: No Solution Moving to Node #0,2,4 Current State: 67:[37, 62], Operations: ['10+11=21', '83-21=62'] Exploring Operation: 37*62=2294, Resulting Numbers: [2294] 2294,67 unequal: No Solution Exploring Operation: 62-37=25, Resulting Numbers: [25] 25,67 unequal: No Solution Exploring Operation: 37+62=99, Resulting Numbers: [99] 99,67 unequal: No Solution Moving to Node #0,2,0 Current State: 67:[37, 104], Operations: ['10+11=21', '83+21=104'] Exploring Operation: 37*104=3848, Resulting Numbers: [3848] 3848,67 unequal: No Solution Exploring Operation: 37+104=141, Resulting Numbers: [141] 141,67 unequal: No Solution Exploring Operation: 104-37=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[37, 10, 11, 83], Operations: [] Exploring Operation: 10+11=21, Resulting Numbers: [37, 83, 21] Generated Node #0,2: 67:[37, 83, 21] Operation: 10+11=21 Moving to Node #0,2 Current State: 67:[37, 83, 21], Operations: ['10+11=21'] Exploring Operation: 83+21=104, Resulting Numbers: [37, 104] Generated Node #0,2,0: 67:[37, 104] Operation: 83+21=104 Moving to Node #0,2,0 Current State: 67:[37, 104], Operations: ['10+11=21', '83+21=104'] Exploring Operation: 104-37=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.945313
hs_5
sum_heuristic
[ 31, 15, 32, 39 ]
78
[ "31-15=16", "32*39=1248", "1248/16=78" ]
Current State: 78:[31, 15, 32, 39], Operations: [] Exploring Operation: 31-15=16, Resulting Numbers: [32, 39, 16] Generated Node #2: [32, 39, 16] from Operation: 31-15=16 Current State: 78:[32, 39, 16], Operations: ['31-15=16'] Exploring Operation: 32*39=1248, Resulting Numbers: [16, 1248] Generated Node #3: [16, 1248] from Operation: 32*39=1248 Current State: 78:[16, 1248], Operations: ['31-15=16', '32*39=1248'] Exploring Operation: 1248/16=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[31, 15, 32, 39], Operations: [] Exploring Operation: 32-15=17, Resulting Numbers: [31, 39, 17] Generated Node #0,0: 78:[31, 39, 17] Operation: 32-15=17 Exploring Operation: 32-31=1, Resulting Numbers: [15, 39, 1] Generated Node #0,1: 78:[15, 39, 1] Operation: 32-31=1 Exploring Operation: 31-15=16, Resulting Numbers: [32, 39, 16] Generated Node #0,2: 78:[32, 39, 16] Operation: 31-15=16 Exploring Operation: 39-32=7, Resulting Numbers: [31, 15, 7] Generated Node #0,3: 78:[31, 15, 7] Operation: 39-32=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[15, 39, 1], Operations: ['32-31=1'] Exploring Operation: 15-1=14, Resulting Numbers: [39, 14] Generated Node #0,1,0: 78:[39, 14] Operation: 15-1=14 Exploring Operation: 15/1=15, Resulting Numbers: [39, 15] Generated Node #0,1,1: 78:[39, 15] Operation: 15/1=15 Exploring Operation: 39*1=39, Resulting Numbers: [15, 39] Generated Node #0,1,2: 78:[15, 39] Operation: 39*1=39 Exploring Operation: 15*1=15, Resulting Numbers: [39, 15] Generated Node #0,1,3: 78:[39, 15] Operation: 15*1=15 Moving to Node #0,1,0 Current State: 78:[39, 14], Operations: ['32-31=1', '15-1=14'] Exploring Operation: 39+14=53, Resulting Numbers: [53] 53,78 unequal: No Solution Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,78 unequal: No Solution Exploring Operation: 39*14=546, Resulting Numbers: [546] 546,78 unequal: No Solution Moving to Node #0,1,2 Current State: 78:[15, 39], Operations: ['32-31=1', '39*1=39'] Exploring Operation: 15*39=585, Resulting Numbers: [585] 585,78 unequal: No Solution Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,78 unequal: No Solution Exploring Operation: 15+39=54, Resulting Numbers: [54] 54,78 unequal: No Solution Moving to Node #0,1,1 Current State: 78:[39, 15], Operations: ['32-31=1', '15/1=15'] Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,78 unequal: No Solution Exploring Operation: 39*15=585, Resulting Numbers: [585] 585,78 unequal: No Solution Exploring Operation: 39+15=54, Resulting Numbers: [54] 54,78 unequal: No Solution Moving to Node #0,1,3 Current State: 78:[39, 15], Operations: ['32-31=1', '15*1=15'] Exploring Operation: 39*15=585, Resulting Numbers: [585] 585,78 unequal: No Solution Exploring Operation: 39+15=54, Resulting Numbers: [54] 54,78 unequal: No Solution Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 78:[31, 15, 7], Operations: ['39-32=7'] Exploring Operation: 31-15=16, Resulting Numbers: [7, 16] Generated Node #0,3,0: 78:[7, 16] Operation: 31-15=16 Exploring Operation: 31-7=24, Resulting Numbers: [15, 24] Generated Node #0,3,1: 78:[15, 24] Operation: 31-7=24 Exploring Operation: 15-7=8, Resulting Numbers: [31, 8] Generated Node #0,3,2: 78:[31, 8] Operation: 15-7=8 Exploring Operation: 31+7=38, Resulting Numbers: [15, 38] Generated Node #0,3,3: 78:[15, 38] Operation: 31+7=38 Moving to Node #0,3,3 Current State: 78:[15, 38], Operations: ['39-32=7', '31+7=38'] Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,78 unequal: No Solution Exploring Operation: 15+38=53, Resulting Numbers: [53] 53,78 unequal: No Solution Exploring Operation: 15*38=570, Resulting Numbers: [570] 570,78 unequal: No Solution Moving to Node #0,3,1 Current State: 78:[15, 24], Operations: ['39-32=7', '31-7=24'] Exploring Operation: 15+24=39, Resulting Numbers: [39] 39,78 unequal: No Solution Exploring Operation: 15*24=360, Resulting Numbers: [360] 360,78 unequal: No Solution Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,78 unequal: No Solution Moving to Node #0,3,0 Current State: 78:[7, 16], Operations: ['39-32=7', '31-15=16'] Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,78 unequal: No Solution Exploring Operation: 7*16=112, Resulting Numbers: [112] 112,78 unequal: No Solution Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,78 unequal: No Solution Moving to Node #0,3,2 Current State: 78:[31, 8], Operations: ['39-32=7', '15-7=8'] Exploring Operation: 31+8=39, Resulting Numbers: [39] 39,78 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,78 unequal: No Solution Exploring Operation: 31*8=248, Resulting Numbers: [248] 248,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[31, 39, 17], Operations: ['32-15=17'] Exploring Operation: 39-31=8, Resulting Numbers: [17, 8] Generated Node #0,0,0: 78:[17, 8] Operation: 39-31=8 Exploring Operation: 31+17=48, Resulting Numbers: [39, 48] Generated Node #0,0,1: 78:[39, 48] Operation: 31+17=48 Exploring Operation: 39-17=22, Resulting Numbers: [31, 22] Generated Node #0,0,2: 78:[31, 22] Operation: 39-17=22 Exploring Operation: 31-17=14, Resulting Numbers: [39, 14] Generated Node #0,0,3: 78:[39, 14] Operation: 31-17=14 Moving to Node #0,0,3 Current State: 78:[39, 14], Operations: ['32-15=17', '31-17=14'] Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,78 unequal: No Solution Exploring Operation: 39+14=53, Resulting Numbers: [53] 53,78 unequal: No Solution Exploring Operation: 39*14=546, Resulting Numbers: [546] 546,78 unequal: No Solution Moving to Node #0,0,0 Current State: 78:[17, 8], Operations: ['32-15=17', '39-31=8'] Exploring Operation: 17+8=25, Resulting Numbers: [25] 25,78 unequal: No Solution Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,78 unequal: No Solution Exploring Operation: 17*8=136, Resulting Numbers: [136] 136,78 unequal: No Solution Moving to Node #0,0,2 Current State: 78:[31, 22], Operations: ['32-15=17', '39-17=22'] Exploring Operation: 31-22=9, Resulting Numbers: [9] 9,78 unequal: No Solution Exploring Operation: 31*22=682, Resulting Numbers: [682] 682,78 unequal: No Solution Exploring Operation: 31+22=53, Resulting Numbers: [53] 53,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[39, 48], Operations: ['32-15=17', '31+17=48'] Exploring Operation: 48-39=9, Resulting Numbers: [9] 9,78 unequal: No Solution Exploring Operation: 39*48=1872, Resulting Numbers: [1872] 1872,78 unequal: No Solution Exploring Operation: 39+48=87, Resulting Numbers: [87] 87,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 78:[32, 39, 16], Operations: ['31-15=16'] Exploring Operation: 39-32=7, Resulting Numbers: [16, 7] Generated Node #0,2,0: 78:[16, 7] Operation: 39-32=7 Exploring Operation: 32-16=16, Resulting Numbers: [39, 16] Generated Node #0,2,1: 78:[39, 16] Operation: 32-16=16 Exploring Operation: 32/16=2, Resulting Numbers: [39, 2] Generated Node #0,2,2: 78:[39, 2] Operation: 32/16=2 Exploring Operation: 32+16=48, Resulting Numbers: [39, 48] Generated Node #0,2,3: 78:[39, 48] Operation: 32+16=48 Moving to Node #0,2,2 Current State: 78:[39, 2], Operations: ['31-15=16', '32/16=2'] Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,78 unequal: No Solution Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[31, 15, 32, 39], Operations: [] Exploring Operation: 31-15=16, Resulting Numbers: [32, 39, 16] Generated Node #0,2: 78:[32, 39, 16] Operation: 31-15=16 Moving to Node #0,2 Current State: 78:[32, 39, 16], Operations: ['31-15=16'] Exploring Operation: 32/16=2, Resulting Numbers: [39, 2] Generated Node #0,2,2: 78:[39, 2] Operation: 32/16=2 Moving to Node #0,2,2 Current State: 78:[39, 2], Operations: ['31-15=16', '32/16=2'] Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.946181
hs_4
sum_heuristic
[ 95, 24, 70, 1 ]
49
[ "95+24=119", "70*1=70", "119-70=49" ]
Current State: 49:[95, 24, 70, 1], Operations: [] Exploring Operation: 95+24=119, Resulting Numbers: [70, 1, 119] Generated Node #2: [70, 1, 119] from Operation: 95+24=119 Current State: 49:[70, 1, 119], Operations: ['95+24=119'] Exploring Operation: 70*1=70, Resulting Numbers: [119, 70] Generated Node #3: [119, 70] from Operation: 70*1=70 Current State: 49:[119, 70], Operations: ['95+24=119', '70*1=70'] Exploring Operation: 119-70=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[95, 24, 70, 1], Operations: [] Exploring Operation: 95-70=25, Resulting Numbers: [24, 1, 25] Generated Node #0,0: 49:[24, 1, 25] Operation: 95-70=25 Exploring Operation: 95-24=71, Resulting Numbers: [70, 1, 71] Generated Node #0,1: 49:[70, 1, 71] Operation: 95-24=71 Moving to Node #0,0 Current State: 49:[24, 1, 25], Operations: ['95-70=25'] Exploring Operation: 25-24=1, Resulting Numbers: [1, 1] Generated Node #0,0,0: 49:[1, 1] Operation: 25-24=1 Exploring Operation: 24+25=49, Resulting Numbers: [1, 49] Generated Node #0,0,1: 49:[1, 49] Operation: 24+25=49 Moving to Node #0,1 Current State: 49:[70, 1, 71], Operations: ['95-24=71'] Exploring Operation: 71-70=1, Resulting Numbers: [1, 1] Generated Node #0,1,0: 49:[1, 1] Operation: 71-70=1 Exploring Operation: 70-1=69, Resulting Numbers: [71, 69] Generated Node #0,1,1: 49:[71, 69] Operation: 70-1=69 Moving to Node #0,0,1 Current State: 49:[1, 49], Operations: ['95-70=25', '24+25=49'] Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[95, 24, 70, 1], Operations: [] Exploring Operation: 95-70=25, Resulting Numbers: [24, 1, 25] Generated Node #0,0: 49:[24, 1, 25] Operation: 95-70=25 Moving to Node #0,0 Current State: 49:[24, 1, 25], Operations: ['95-70=25'] Exploring Operation: 24+25=49, Resulting Numbers: [1, 49] Generated Node #0,0,1: 49:[1, 49] Operation: 24+25=49 Moving to Node #0,0,1 Current State: 49:[1, 49], Operations: ['95-70=25', '24+25=49'] Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 50, 41, 65, 90 ]
39
[ "90-65=25", "50/25=2", "41-2=39" ]
Current State: 39:[50, 41, 65, 90], Operations: [] Exploring Operation: 90-65=25, Resulting Numbers: [50, 41, 25] Generated Node #2: [50, 41, 25] from Operation: 90-65=25 Current State: 39:[50, 41, 25], Operations: ['90-65=25'] Exploring Operation: 50/25=2, Resulting Numbers: [41, 2] Generated Node #3: [41, 2] from Operation: 50/25=2 Current State: 39:[41, 2], Operations: ['90-65=25', '50/25=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[50, 41, 65, 90], Operations: [] Exploring Operation: 90-65=25, Resulting Numbers: [50, 41, 25] Generated Node #0,0: 39:[50, 41, 25] Operation: 90-65=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[50, 41, 25], Operations: ['90-65=25'] Exploring Operation: 50/25=2, Resulting Numbers: [41, 2] Generated Node #0,0,0: 39:[41, 2] Operation: 50/25=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[41, 2], Operations: ['90-65=25', '50/25=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[50, 41, 65, 90], Operations: [] Exploring Operation: 90-65=25, Resulting Numbers: [50, 41, 25] Generated Node #0,0: 39:[50, 41, 25] Operation: 90-65=25 Moving to Node #0,0 Current State: 39:[50, 41, 25], Operations: ['90-65=25'] Exploring Operation: 50/25=2, Resulting Numbers: [41, 2] Generated Node #0,0,0: 39:[41, 2] Operation: 50/25=2 Moving to Node #0,0,0 Current State: 39:[41, 2], Operations: ['90-65=25', '50/25=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 17, 5, 68, 6 ]
86
[ "17-5=12", "68+6=74", "12+74=86" ]
Current State: 86:[17, 5, 68, 6], Operations: [] Exploring Operation: 17-5=12, Resulting Numbers: [68, 6, 12] Generated Node #2: [68, 6, 12] from Operation: 17-5=12 Current State: 86:[68, 6, 12], Operations: ['17-5=12'] Exploring Operation: 68+6=74, Resulting Numbers: [12, 74] Generated Node #3: [12, 74] from Operation: 68+6=74 Current State: 86:[12, 74], Operations: ['17-5=12', '68+6=74'] Exploring Operation: 12+74=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[17, 5, 68, 6], Operations: [] Exploring Operation: 17+68=85, Resulting Numbers: [5, 6, 85] Generated Node #0,0: 86:[5, 6, 85] Operation: 17+68=85 Exploring Operation: 68-17=51, Resulting Numbers: [5, 6, 51] Generated Node #0,1: 86:[5, 6, 51] Operation: 68-17=51 Exploring Operation: 68/17=4, Resulting Numbers: [5, 6, 4] Generated Node #0,2: 86:[5, 6, 4] Operation: 68/17=4 Exploring Operation: 17*5=85, Resulting Numbers: [68, 6, 85] Generated Node #0,3: 86:[68, 6, 85] Operation: 17*5=85 Moving to Node #0,0 Current State: 86:[5, 6, 85], Operations: ['17+68=85'] Exploring Operation: 6+85=91, Resulting Numbers: [5, 91] Generated Node #0,0,0: 86:[5, 91] Operation: 6+85=91 Exploring Operation: 6-5=1, Resulting Numbers: [85, 1] Generated Node #0,0,1: 86:[85, 1] Operation: 6-5=1 Exploring Operation: 5+6=11, Resulting Numbers: [85, 11] Generated Node #0,0,2: 86:[85, 11] Operation: 5+6=11 Exploring Operation: 5+85=90, Resulting Numbers: [6, 90] Generated Node #0,0,3: 86:[6, 90] Operation: 5+85=90 Moving to Node #0,2 Current State: 86:[5, 6, 4], Operations: ['68/17=4'] Exploring Operation: 6-4=2, Resulting Numbers: [5, 2] Generated Node #0,2,0: 86:[5, 2] Operation: 6-4=2 Exploring Operation: 5-4=1, Resulting Numbers: [6, 1] Generated Node #0,2,1: 86:[6, 1] Operation: 5-4=1 Exploring Operation: 5+6=11, Resulting Numbers: [4, 11] Generated Node #0,2,2: 86:[4, 11] Operation: 5+6=11 Exploring Operation: 6-5=1, Resulting Numbers: [4, 1] Generated Node #0,2,3: 86:[4, 1] Operation: 6-5=1 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 86:[5, 2], Operations: ['68/17=4', '6-4=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,86 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,86 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 86:[4, 1], Operations: ['68/17=4', '6-5=1'] Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,86 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,86 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 86:[6, 1], Operations: ['68/17=4', '5-4=1'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 86:[4, 11], Operations: ['68/17=4', '5+6=11'] Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,86 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,86 unequal: No Solution Exploring Operation: 4*11=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:[5, 6, 51], Operations: ['68-17=51'] Exploring Operation: 6-5=1, Resulting Numbers: [51, 1] Generated Node #0,1,0: 86:[51, 1] Operation: 6-5=1 Exploring Operation: 5+6=11, Resulting Numbers: [51, 11] Generated Node #0,1,1: 86:[51, 11] Operation: 5+6=11 Exploring Operation: 51-5=46, Resulting Numbers: [6, 46] Generated Node #0,1,2: 86:[6, 46] Operation: 51-5=46 Exploring Operation: 51-6=45, Resulting Numbers: [5, 45] Generated Node #0,1,3: 86:[5, 45] Operation: 51-6=45 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 86:[5, 45], Operations: ['68-17=51', '51-6=45'] Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,86 unequal: No Solution Exploring Operation: 5*45=225, Resulting Numbers: [225] 225,86 unequal: No Solution Exploring Operation: 5+45=50, Resulting Numbers: [50] 50,86 unequal: No Solution Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 86:[6, 46], Operations: ['68-17=51', '51-5=46'] Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,86 unequal: No Solution Exploring Operation: 6+46=52, Resulting Numbers: [52] 52,86 unequal: No Solution Exploring Operation: 6*46=276, Resulting Numbers: [276] 276,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[51, 1], Operations: ['68-17=51', '6-5=1'] Exploring Operation: 51+1=52, Resulting Numbers: [52] 52,86 unequal: No Solution Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,86 unequal: No Solution Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,86 unequal: No Solution Exploring Operation: 51*1=51, Resulting Numbers: [51] 51,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 86:[51, 11], Operations: ['68-17=51', '5+6=11'] Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,86 unequal: No Solution Exploring Operation: 51+11=62, Resulting Numbers: [62] 62,86 unequal: No Solution Exploring Operation: 51*11=561, Resulting Numbers: [561] 561,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 86:[68, 6, 85], Operations: ['17*5=85'] Exploring Operation: 85-68=17, Resulting Numbers: [6, 17] Generated Node #0,3,0: 86:[6, 17] Operation: 85-68=17 Exploring Operation: 68-6=62, Resulting Numbers: [85, 62] Generated Node #0,3,1: 86:[85, 62] Operation: 68-6=62 Exploring Operation: 68+6=74, Resulting Numbers: [85, 74] Generated Node #0,3,2: 86:[85, 74] Operation: 68+6=74 Exploring Operation: 6+85=91, Resulting Numbers: [68, 91] Generated Node #0,3,3: 86:[68, 91] Operation: 6+85=91 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 86:[85, 74], Operations: ['17*5=85', '68+6=74'] Exploring Operation: 85-74=11, Resulting Numbers: [11] 11,86 unequal: No Solution Exploring Operation: 85*74=6290, Resulting Numbers: [6290] 6290,86 unequal: No Solution Exploring Operation: 85+74=159, Resulting Numbers: [159] 159,86 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 #0,3,0 Current State: 86:[6, 17], Operations: ['17*5=85', '85-68=17'] Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,86 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,86 unequal: No Solution Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,86 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 #0,3,1 Current State: 86:[85, 62], Operations: ['17*5=85', '68-6=62'] Exploring Operation: 85-62=23, Resulting Numbers: [23] 23,86 unequal: No Solution Exploring Operation: 85+62=147, Resulting Numbers: [147] 147,86 unequal: No Solution Exploring Operation: 85*62=5270, Resulting Numbers: [5270] 5270,86 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 #0,3,3 Current State: 86:[68, 91], Operations: ['17*5=85', '6+85=91'] Exploring Operation: 68+91=159, Resulting Numbers: [159] 159,86 unequal: No Solution Exploring Operation: 68*91=6188, Resulting Numbers: [6188] 6188,86 unequal: No Solution Exploring Operation: 91-68=23, Resulting Numbers: [23] 23,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 86:[85, 1], Operations: ['17+68=85', '6-5=1'] Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[17, 5, 68, 6], Operations: [] Exploring Operation: 17+68=85, Resulting Numbers: [5, 6, 85] Generated Node #0,0: 86:[5, 6, 85] Operation: 17+68=85 Moving to Node #0,0 Current State: 86:[5, 6, 85], Operations: ['17+68=85'] Exploring Operation: 6-5=1, Resulting Numbers: [85, 1] Generated Node #0,0,1: 86:[85, 1] Operation: 6-5=1 Moving to Node #0,0,1 Current State: 86:[85, 1], Operations: ['17+68=85', '6-5=1'] Exploring Operation: 85+1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.943576
hs_4
mult_heuristic
[ 63, 9, 14, 4 ]
25
[ "63/9=7", "14+4=18", "7+18=25" ]
Current State: 25:[63, 9, 14, 4], Operations: [] Exploring Operation: 63/9=7, Resulting Numbers: [14, 4, 7] Generated Node #2: [14, 4, 7] from Operation: 63/9=7 Current State: 25:[14, 4, 7], Operations: ['63/9=7'] Exploring Operation: 14+4=18, Resulting Numbers: [7, 18] Generated Node #3: [7, 18] from Operation: 14+4=18 Current State: 25:[7, 18], Operations: ['63/9=7', '14+4=18'] Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[63, 9, 14, 4], Operations: [] Exploring Operation: 63-14=49, Resulting Numbers: [9, 4, 49] Generated Node #0,0: 25:[9, 4, 49] Operation: 63-14=49 Exploring Operation: 63/9=7, Resulting Numbers: [14, 4, 7] Generated Node #0,1: 25:[14, 4, 7] Operation: 63/9=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[14, 4, 7], Operations: ['63/9=7'] Exploring Operation: 14-7=7, Resulting Numbers: [4, 7] Generated Node #0,1,0: 25:[4, 7] Operation: 14-7=7 Exploring Operation: 14/7=2, Resulting Numbers: [4, 2] Generated Node #0,1,1: 25:[4, 2] Operation: 14/7=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 25:[4, 7], Operations: ['63/9=7', '14-7=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,25 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:[4, 2], Operations: ['63/9=7', '14/7=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,25 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 #0,0 Current State: 25:[9, 4, 49], Operations: ['63-14=49'] Exploring Operation: 9-4=5, Resulting Numbers: [49, 5] Generated Node #0,0,0: 25:[49, 5] Operation: 9-4=5 Exploring Operation: 49-9=40, Resulting Numbers: [4, 40] Generated Node #0,0,1: 25:[4, 40] Operation: 49-9=40 Moving to Node #0,0,1 Current State: 25:[4, 40], Operations: ['63-14=49', '49-9=40'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,25 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[49, 5], Operations: ['63-14=49', '9-4=5'] Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,25 unequal: No Solution Exploring Operation: 49+5=54, Resulting Numbers: [54] 54,25 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
[ 93, 5, 73, 82 ]
57
[ "93+5=98", "73+82=155", "155-98=57" ]
Current State: 57:[93, 5, 73, 82], Operations: [] Exploring Operation: 93+5=98, Resulting Numbers: [73, 82, 98] Generated Node #2: [73, 82, 98] from Operation: 93+5=98 Current State: 57:[73, 82, 98], Operations: ['93+5=98'] Exploring Operation: 73+82=155, Resulting Numbers: [98, 155] Generated Node #3: [98, 155] from Operation: 73+82=155 Current State: 57:[98, 155], Operations: ['93+5=98', '73+82=155'] Exploring Operation: 155-98=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[93, 5, 73, 82], Operations: [] Exploring Operation: 93-73=20, Resulting Numbers: [5, 82, 20] Generated Node #0,0: 57:[5, 82, 20] Operation: 93-73=20 Exploring Operation: 93-82=11, Resulting Numbers: [5, 73, 11] Generated Node #0,1: 57:[5, 73, 11] Operation: 93-82=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[5, 73, 11], Operations: ['93-82=11'] Exploring Operation: 5*11=55, Resulting Numbers: [73, 55] Generated Node #0,1,0: 57:[73, 55] Operation: 5*11=55 Exploring Operation: 73-11=62, Resulting Numbers: [5, 62] Generated Node #0,1,1: 57:[5, 62] Operation: 73-11=62 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 57:[5, 62], Operations: ['93-82=11', '73-11=62'] Exploring Operation: 62-5=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[93, 5, 73, 82], Operations: [] Exploring Operation: 93-82=11, Resulting Numbers: [5, 73, 11] Generated Node #0,1: 57:[5, 73, 11] Operation: 93-82=11 Moving to Node #0,1 Current State: 57:[5, 73, 11], Operations: ['93-82=11'] Exploring Operation: 73-11=62, Resulting Numbers: [5, 62] Generated Node #0,1,1: 57:[5, 62] Operation: 73-11=62 Moving to Node #0,1,1 Current State: 57:[5, 62], Operations: ['93-82=11', '73-11=62'] Exploring Operation: 62-5=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 17, 7, 88, 39 ]
10
[ "88-39=49", "49/7=7", "17-7=10" ]
Current State: 10:[17, 7, 88, 39], Operations: [] Exploring Operation: 88-39=49, Resulting Numbers: [17, 7, 49] Generated Node #2: [17, 7, 49] from Operation: 88-39=49 Current State: 10:[17, 7, 49], Operations: ['88-39=49'] Exploring Operation: 49/7=7, Resulting Numbers: [17, 7] Generated Node #3: [17, 7] from Operation: 49/7=7 Current State: 10:[17, 7], Operations: ['88-39=49', '49/7=7'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[17, 7, 88, 39], Operations: [] Exploring Operation: 88-39=49, Resulting Numbers: [17, 7, 49] Generated Node #0,0: 10:[17, 7, 49] Operation: 88-39=49 Moving to Node #0,0 Current State: 10:[17, 7, 49], Operations: ['88-39=49'] Exploring Operation: 49/7=7, Resulting Numbers: [17, 7] Generated Node #0,0,0: 10:[17, 7] Operation: 49/7=7 Moving to Node #0,0,0 Current State: 10:[17, 7], Operations: ['88-39=49', '49/7=7'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[17, 7, 88, 39], Operations: [] Exploring Operation: 88-39=49, Resulting Numbers: [17, 7, 49] Generated Node #0,0: 10:[17, 7, 49] Operation: 88-39=49 Moving to Node #0,0 Current State: 10:[17, 7, 49], Operations: ['88-39=49'] Exploring Operation: 49/7=7, Resulting Numbers: [17, 7] Generated Node #0,0,0: 10:[17, 7] Operation: 49/7=7 Moving to Node #0,0,0 Current State: 10:[17, 7], Operations: ['88-39=49', '49/7=7'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 60, 22, 76, 82 ]
76
[ "60+22=82", "76+82=158", "158-82=76" ]
Current State: 76:[60, 22, 76, 82], Operations: [] Exploring Operation: 60+22=82, Resulting Numbers: [76, 82, 82] Generated Node #2: [76, 82, 82] from Operation: 60+22=82 Current State: 76:[76, 82, 82], Operations: ['60+22=82'] Exploring Operation: 76+82=158, Resulting Numbers: [158] 158,76 equal: Goal Reached Exploring Operation: 158-82=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[60, 22, 76, 82], Operations: [] Exploring Operation: 82-60=22, Resulting Numbers: [22, 76, 22] Generated Node #0,0: 76:[22, 76, 22] Operation: 82-60=22 Exploring Operation: 60+22=82, Resulting Numbers: [76, 82, 82] Generated Node #0,1: 76:[76, 82, 82] Operation: 60+22=82 Exploring Operation: 60-22=38, Resulting Numbers: [76, 82, 38] Generated Node #0,2: 76:[76, 82, 38] Operation: 60-22=38 Exploring Operation: 82-76=6, Resulting Numbers: [60, 22, 6] Generated Node #0,3: 76:[60, 22, 6] Operation: 82-76=6 Exploring Operation: 76-60=16, Resulting Numbers: [22, 82, 16] Generated Node #0,4: 76:[22, 82, 16] Operation: 76-60=16 Moving to Node #0,0 Current State: 76:[22, 76, 22], Operations: ['82-60=22'] Exploring Operation: 22+22=44, Resulting Numbers: [76, 44] Generated Node #0,0,0: 76:[76, 44] Operation: 22+22=44 Exploring Operation: 22/22=1, Resulting Numbers: [76, 1] Generated Node #0,0,1: 76:[76, 1] Operation: 22/22=1 Exploring Operation: 76-22=54, Resulting Numbers: [22, 54] Generated Node #0,0,2: 76:[22, 54] Operation: 76-22=54 Exploring Operation: 22-22=0, Resulting Numbers: [76, 0] Generated Node #0,0,3: 76:[76, 0] Operation: 22-22=0 Exploring Operation: 76-22=54, Resulting Numbers: [22, 54] Generated Node #0,0,4: 76:[22, 54] Operation: 76-22=54 Moving to Node #0,2 Current State: 76:[76, 82, 38], Operations: ['60-22=38'] Exploring Operation: 76+38=114, Resulting Numbers: [82, 114] Generated Node #0,2,0: 76:[82, 114] Operation: 76+38=114 Exploring Operation: 76-38=38, Resulting Numbers: [82, 38] Generated Node #0,2,1: 76:[82, 38] Operation: 76-38=38 Exploring Operation: 82-76=6, Resulting Numbers: [38, 6] Generated Node #0,2,2: 76:[38, 6] Operation: 82-76=6 Exploring Operation: 76/38=2, Resulting Numbers: [82, 2] Generated Node #0,2,3: 76:[82, 2] Operation: 76/38=2 Exploring Operation: 82-38=44, Resulting Numbers: [76, 44] Generated Node #0,2,4: 76:[76, 44] Operation: 82-38=44 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 76:[38, 6], Operations: ['60-22=38', '82-76=6'] Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,76 unequal: No Solution Exploring Operation: 38*6=228, Resulting Numbers: [228] 228,76 unequal: No Solution Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 76:[82, 38], Operations: ['60-22=38', '76-38=38'] Exploring Operation: 82*38=3116, Resulting Numbers: [3116] 3116,76 unequal: No Solution Exploring Operation: 82-38=44, Resulting Numbers: [44] 44,76 unequal: No Solution Exploring Operation: 82+38=120, Resulting Numbers: [120] 120,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 76:[82, 2], Operations: ['60-22=38', '76/38=2'] Exploring Operation: 82*2=164, Resulting Numbers: [164] 164,76 unequal: No Solution Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,76 unequal: No Solution Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,76 unequal: No Solution Exploring Operation: 82+2=84, Resulting Numbers: [84] 84,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 76:[76, 44], Operations: ['60-22=38', '82-38=44'] Exploring Operation: 76+44=120, Resulting Numbers: [120] 120,76 unequal: No Solution Exploring Operation: 76*44=3344, Resulting Numbers: [3344] 3344,76 unequal: No Solution Exploring Operation: 76-44=32, Resulting Numbers: [32] 32,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 76:[82, 114], Operations: ['60-22=38', '76+38=114'] Exploring Operation: 114-82=32, Resulting Numbers: [32] 32,76 unequal: No Solution Exploring Operation: 82*114=9348, Resulting Numbers: [9348] 9348,76 unequal: No Solution Exploring Operation: 82+114=196, Resulting Numbers: [196] 196,76 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: 76:[76, 82, 82], Operations: ['60+22=82'] Exploring Operation: 82-76=6, Resulting Numbers: [82, 6] Generated Node #0,1,0: 76:[82, 6] Operation: 82-76=6 Exploring Operation: 76+82=158, Resulting Numbers: [82, 158] Generated Node #0,1,1: 76:[82, 158] Operation: 76+82=158 Exploring Operation: 82-82=0, Resulting Numbers: [76, 0] Generated Node #0,1,2: 76:[76, 0] Operation: 82-82=0 Exploring Operation: 82-76=6, Resulting Numbers: [82, 6] Generated Node #0,1,3: 76:[82, 6] Operation: 82-76=6 Exploring Operation: 82/82=1, Resulting Numbers: [76, 1] Generated Node #0,1,4: 76:[76, 1] Operation: 82/82=1 Moving to Node #0,4 Current State: 76:[22, 82, 16], Operations: ['76-60=16'] Exploring Operation: 82+16=98, Resulting Numbers: [22, 98] Generated Node #0,4,0: 76:[22, 98] Operation: 82+16=98 Exploring Operation: 22-16=6, Resulting Numbers: [82, 6] Generated Node #0,4,1: 76:[82, 6] Operation: 22-16=6 Exploring Operation: 82-16=66, Resulting Numbers: [22, 66] Generated Node #0,4,2: 76:[22, 66] Operation: 82-16=66 Exploring Operation: 82-22=60, Resulting Numbers: [16, 60] Generated Node #0,4,3: 76:[16, 60] Operation: 82-22=60 Exploring Operation: 22+16=38, Resulting Numbers: [82, 38] Generated Node #0,4,4: 76:[82, 38] Operation: 22+16=38 Moving to Node #0,3 Current State: 76:[60, 22, 6], Operations: ['82-76=6'] Exploring Operation: 60+6=66, Resulting Numbers: [22, 66] Generated Node #0,3,0: 76:[22, 66] Operation: 60+6=66 Exploring Operation: 60-6=54, Resulting Numbers: [22, 54] Generated Node #0,3,1: 76:[22, 54] Operation: 60-6=54 Exploring Operation: 60+22=82, Resulting Numbers: [6, 82] Generated Node #0,3,2: 76:[6, 82] Operation: 60+22=82 Exploring Operation: 60-22=38, Resulting Numbers: [6, 38] Generated Node #0,3,3: 76:[6, 38] Operation: 60-22=38 Exploring Operation: 60/6=10, Resulting Numbers: [22, 10] Generated Node #0,3,4: 76:[22, 10] Operation: 60/6=10 Moving to Node #0,0,1 Current State: 76:[76, 1], Operations: ['82-60=22', '22/22=1'] Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,76 unequal: No Solution Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[60, 22, 76, 82], Operations: [] Exploring Operation: 82-60=22, Resulting Numbers: [22, 76, 22] Generated Node #0,0: 76:[22, 76, 22] Operation: 82-60=22 Moving to Node #0,0 Current State: 76:[22, 76, 22], Operations: ['82-60=22'] Exploring Operation: 22/22=1, Resulting Numbers: [76, 1] Generated Node #0,0,1: 76:[76, 1] Operation: 22/22=1 Moving to Node #0,0,1 Current State: 76:[76, 1], Operations: ['82-60=22', '22/22=1'] Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
0.954861
hs_5
sum_heuristic
[ 88, 72, 2, 83 ]
24
[ "88-2=86", "86-83=3", "72/3=24" ]
Current State: 24:[88, 72, 2, 83], Operations: [] Exploring Operation: 88-2=86, Resulting Numbers: [72, 83, 86] Generated Node #2: [72, 83, 86] from Operation: 88-2=86 Current State: 24:[72, 83, 86], Operations: ['88-2=86'] Exploring Operation: 86-83=3, Resulting Numbers: [72, 3] Generated Node #3: [72, 3] from Operation: 86-83=3 Current State: 24:[72, 3], Operations: ['88-2=86', '86-83=3'] Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[88, 72, 2, 83], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [72, 2, 5] Generated Node #0,0: 24:[72, 2, 5] Operation: 88-83=5 Moving to Node #0,0 Current State: 24:[72, 2, 5], Operations: ['88-83=5'] Exploring Operation: 72/2=36, Resulting Numbers: [5, 36] Generated Node #0,0,0: 24:[5, 36] Operation: 72/2=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[5, 36], Operations: ['88-83=5', '72/2=36'] Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 87, 94, 80, 86 ]
14
[ "87-86=1", "94-80=14", "1*14=14" ]
Current State: 14:[87, 94, 80, 86], Operations: [] Exploring Operation: 87-86=1, Resulting Numbers: [94, 80, 1] Generated Node #2: [94, 80, 1] from Operation: 87-86=1 Current State: 14:[94, 80, 1], Operations: ['87-86=1'] Exploring Operation: 94-80=14, Resulting Numbers: [1, 14] Generated Node #3: [1, 14] from Operation: 94-80=14 Current State: 14:[1, 14], Operations: ['87-86=1', '94-80=14'] Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[87, 94, 80, 86], Operations: [] Exploring Operation: 94-87=7, Resulting Numbers: [80, 86, 7] Generated Node #0,0: 14:[80, 86, 7] Operation: 94-87=7 Exploring Operation: 94-80=14, Resulting Numbers: [87, 86, 14] Generated Node #0,1: 14:[87, 86, 14] Operation: 94-80=14 Exploring Operation: 94-86=8, Resulting Numbers: [87, 80, 8] Generated Node #0,2: 14:[87, 80, 8] Operation: 94-86=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[80, 86, 7], Operations: ['94-87=7'] Exploring Operation: 86-7=79, Resulting Numbers: [80, 79] Generated Node #0,0,0: 14:[80, 79] Operation: 86-7=79 Exploring Operation: 86-80=6, Resulting Numbers: [7, 6] Generated Node #0,0,1: 14:[7, 6] Operation: 86-80=6 Exploring Operation: 80-7=73, Resulting Numbers: [86, 73] Generated Node #0,0,2: 14:[86, 73] Operation: 80-7=73 Moving to Node #0,0,1 Current State: 14:[7, 6], Operations: ['94-87=7', '86-80=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,14 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 7*6=42, Resulting Numbers: [42] 42,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[80, 79], Operations: ['94-87=7', '86-7=79'] Exploring Operation: 80+79=159, Resulting Numbers: [159] 159,14 unequal: No Solution Exploring Operation: 80-79=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 80*79=6320, Resulting Numbers: [6320] 6320,14 unequal: No Solution Moving to Node #0,0,2 Current State: 14:[86, 73], Operations: ['94-87=7', '80-7=73'] Exploring Operation: 86*73=6278, Resulting Numbers: [6278] 6278,14 unequal: No Solution Exploring Operation: 86+73=159, Resulting Numbers: [159] 159,14 unequal: No Solution Exploring Operation: 86-73=13, Resulting Numbers: [13] 13,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 14:[87, 80, 8], Operations: ['94-86=8'] Exploring Operation: 87-8=79, Resulting Numbers: [80, 79] Generated Node #0,2,0: 14:[80, 79] Operation: 87-8=79 Exploring Operation: 80/8=10, Resulting Numbers: [87, 10] Generated Node #0,2,1: 14:[87, 10] Operation: 80/8=10 Exploring Operation: 87-80=7, Resulting Numbers: [8, 7] Generated Node #0,2,2: 14:[8, 7] Operation: 87-80=7 Moving to Node #0,2,2 Current State: 14:[8, 7], Operations: ['94-86=8', '87-80=7'] Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,14 unequal: No Solution Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,14 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,14 unequal: No Solution Moving to Node #0,2,1 Current State: 14:[87, 10], Operations: ['94-86=8', '80/8=10'] Exploring Operation: 87-10=77, Resulting Numbers: [77] 77,14 unequal: No Solution Exploring Operation: 87+10=97, Resulting Numbers: [97] 97,14 unequal: No Solution Exploring Operation: 87*10=870, Resulting Numbers: [870] 870,14 unequal: No Solution Moving to Node #0,2,0 Current State: 14:[80, 79], Operations: ['94-86=8', '87-8=79'] Exploring Operation: 80+79=159, Resulting Numbers: [159] 159,14 unequal: No Solution Exploring Operation: 80*79=6320, Resulting Numbers: [6320] 6320,14 unequal: No Solution Exploring Operation: 80-79=1, Resulting Numbers: [1] 1,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[87, 86, 14], Operations: ['94-80=14'] Exploring Operation: 87-14=73, Resulting Numbers: [86, 73] Generated Node #0,1,0: 14:[86, 73] Operation: 87-14=73 Exploring Operation: 87-86=1, Resulting Numbers: [14, 1] Generated Node #0,1,1: 14:[14, 1] Operation: 87-86=1 Exploring Operation: 86-14=72, Resulting Numbers: [87, 72] Generated Node #0,1,2: 14:[87, 72] Operation: 86-14=72 Moving to Node #0,1,1 Current State: 14:[14, 1], Operations: ['94-80=14', '87-86=1'] Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[87, 94, 80, 86], Operations: [] Exploring Operation: 94-80=14, Resulting Numbers: [87, 86, 14] Generated Node #0,1: 14:[87, 86, 14] Operation: 94-80=14 Moving to Node #0,1 Current State: 14:[87, 86, 14], Operations: ['94-80=14'] Exploring Operation: 87-86=1, Resulting Numbers: [14, 1] Generated Node #0,1,1: 14:[14, 1] Operation: 87-86=1 Moving to Node #0,1,1 Current State: 14:[14, 1], Operations: ['94-80=14', '87-86=1'] Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_3
sum_heuristic
[ 74, 76, 61, 36 ]
50
[ "76-74=2", "61-36=25", "2*25=50" ]
Current State: 50:[74, 76, 61, 36], Operations: [] Exploring Operation: 76-74=2, Resulting Numbers: [61, 36, 2] Generated Node #2: [61, 36, 2] from Operation: 76-74=2 Current State: 50:[61, 36, 2], Operations: ['76-74=2'] Exploring Operation: 61-36=25, Resulting Numbers: [2, 25] Generated Node #3: [2, 25] from Operation: 61-36=25 Current State: 50:[2, 25], Operations: ['76-74=2', '61-36=25'] Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[74, 76, 61, 36], Operations: [] Exploring Operation: 76-74=2, Resulting Numbers: [61, 36, 2] Generated Node #0,0: 50:[61, 36, 2] Operation: 76-74=2 Exploring Operation: 74-61=13, Resulting Numbers: [76, 36, 13] Generated Node #0,1: 50:[76, 36, 13] Operation: 74-61=13 Exploring Operation: 76-61=15, Resulting Numbers: [74, 36, 15] Generated Node #0,2: 50:[74, 36, 15] Operation: 76-61=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[61, 36, 2], Operations: ['76-74=2'] Exploring Operation: 36/2=18, Resulting Numbers: [61, 18] Generated Node #0,0,0: 50:[61, 18] Operation: 36/2=18 Exploring Operation: 61-36=25, Resulting Numbers: [2, 25] Generated Node #0,0,1: 50:[2, 25] Operation: 61-36=25 Exploring Operation: 61-2=59, Resulting Numbers: [36, 59] Generated Node #0,0,2: 50:[36, 59] Operation: 61-2=59 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 50:[2, 25], Operations: ['76-74=2', '61-36=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,50 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[74, 76, 61, 36], Operations: [] Exploring Operation: 76-74=2, Resulting Numbers: [61, 36, 2] Generated Node #0,0: 50:[61, 36, 2] Operation: 76-74=2 Moving to Node #0,0 Current State: 50:[61, 36, 2], Operations: ['76-74=2'] Exploring Operation: 61-36=25, Resulting Numbers: [2, 25] Generated Node #0,0,1: 50:[2, 25] Operation: 61-36=25 Moving to Node #0,0,1 Current State: 50:[2, 25], Operations: ['76-74=2', '61-36=25'] Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 25, 50, 49, 23 ]
48
[ "25+23=48", "50-49=1", "48*1=48" ]
Current State: 48:[25, 50, 49, 23], Operations: [] Exploring Operation: 25+23=48, Resulting Numbers: [50, 49, 48] Generated Node #2: [50, 49, 48] from Operation: 25+23=48 Current State: 48:[50, 49, 48], Operations: ['25+23=48'] Exploring Operation: 50-49=1, Resulting Numbers: [48, 1] Generated Node #3: [48, 1] from Operation: 50-49=1 Current State: 48:[48, 1], Operations: ['25+23=48', '50-49=1'] Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[25, 50, 49, 23], Operations: [] Exploring Operation: 49-25=24, Resulting Numbers: [50, 23, 24] Generated Node #0,0: 48:[50, 23, 24] Operation: 49-25=24 Exploring Operation: 25-23=2, Resulting Numbers: [50, 49, 2] Generated Node #0,1: 48:[50, 49, 2] Operation: 25-23=2 Exploring Operation: 25+23=48, Resulting Numbers: [50, 49, 48] Generated Node #0,2: 48:[50, 49, 48] Operation: 25+23=48 Exploring Operation: 50/25=2, Resulting Numbers: [49, 23, 2] Generated Node #0,3: 48:[49, 23, 2] Operation: 50/25=2 Exploring Operation: 50-25=25, Resulting Numbers: [49, 23, 25] Generated Node #0,4: 48:[49, 23, 25] Operation: 50-25=25 Moving to Node #0,3 Current State: 48:[49, 23, 2], Operations: ['50/25=2'] Exploring Operation: 49-2=47, Resulting Numbers: [23, 47] Generated Node #0,3,0: 48:[23, 47] Operation: 49-2=47 Exploring Operation: 23+2=25, Resulting Numbers: [49, 25] Generated Node #0,3,1: 48:[49, 25] Operation: 23+2=25 Exploring Operation: 49+2=51, Resulting Numbers: [23, 51] Generated Node #0,3,2: 48:[23, 51] Operation: 49+2=51 Exploring Operation: 49-23=26, Resulting Numbers: [2, 26] Generated Node #0,3,3: 48:[2, 26] Operation: 49-23=26 Exploring Operation: 23*2=46, Resulting Numbers: [49, 46] Generated Node #0,3,4: 48:[49, 46] Operation: 23*2=46 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 48:[23, 47], Operations: ['50/25=2', '49-2=47'] Exploring Operation: 23*47=1081, Resulting Numbers: [1081] 1081,48 unequal: No Solution Exploring Operation: 47-23=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 23+47=70, Resulting Numbers: [70] 70,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 48:[49, 25], Operations: ['50/25=2', '23+2=25'] Exploring Operation: 49-25=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 49+25=74, Resulting Numbers: [74] 74,48 unequal: No Solution Exploring Operation: 49*25=1225, Resulting Numbers: [1225] 1225,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 48:[2, 26], Operations: ['50/25=2', '49-23=26'] Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,48 unequal: No Solution Exploring Operation: 2*26=52, Resulting Numbers: [52] 52,48 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 48:[49, 46], Operations: ['50/25=2', '23*2=46'] Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 49*46=2254, Resulting Numbers: [2254] 2254,48 unequal: No Solution Exploring Operation: 49+46=95, Resulting Numbers: [95] 95,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 48:[23, 51], Operations: ['50/25=2', '49+2=51'] Exploring Operation: 23+51=74, Resulting Numbers: [74] 74,48 unequal: No Solution Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,48 unequal: No Solution Exploring Operation: 23*51=1173, Resulting Numbers: [1173] 1173,48 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: 48:[50, 49, 2], Operations: ['25-23=2'] Exploring Operation: 50-2=48, Resulting Numbers: [49, 48] Generated Node #0,1,0: 48:[49, 48] Operation: 50-2=48 Exploring Operation: 49-2=47, Resulting Numbers: [50, 47] Generated Node #0,1,1: 48:[50, 47] Operation: 49-2=47 Exploring Operation: 50+2=52, Resulting Numbers: [49, 52] Generated Node #0,1,2: 48:[49, 52] Operation: 50+2=52 Exploring Operation: 50/2=25, Resulting Numbers: [49, 25] Generated Node #0,1,3: 48:[49, 25] Operation: 50/2=25 Exploring Operation: 50-49=1, Resulting Numbers: [2, 1] Generated Node #0,1,4: 48:[2, 1] Operation: 50-49=1 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[49, 48], Operations: ['25-23=2', '50-2=48'] Exploring Operation: 49*48=2352, Resulting Numbers: [2352] 2352,48 unequal: No Solution Exploring Operation: 49+48=97, Resulting Numbers: [97] 97,48 unequal: No Solution Exploring Operation: 49-48=1, Resulting Numbers: [1] 1,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 48:[2, 1], Operations: ['25-23=2', '50-49=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 48:[49, 25], Operations: ['25-23=2', '50/2=25'] Exploring Operation: 49+25=74, Resulting Numbers: [74] 74,48 unequal: No Solution Exploring Operation: 49-25=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 49*25=1225, Resulting Numbers: [1225] 1225,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[50, 47], Operations: ['25-23=2', '49-2=47'] Exploring Operation: 50+47=97, Resulting Numbers: [97] 97,48 unequal: No Solution Exploring Operation: 50-47=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 50*47=2350, Resulting Numbers: [2350] 2350,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 48:[49, 52], Operations: ['25-23=2', '50+2=52'] Exploring Operation: 49+52=101, Resulting Numbers: [101] 101,48 unequal: No Solution Exploring Operation: 49*52=2548, Resulting Numbers: [2548] 2548,48 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 48:[49, 23, 25], Operations: ['50-25=25'] Exploring Operation: 25-23=2, Resulting Numbers: [49, 2] Generated Node #0,4,0: 48:[49, 2] Operation: 25-23=2 Exploring Operation: 49+23=72, Resulting Numbers: [25, 72] Generated Node #0,4,1: 48:[25, 72] Operation: 49+23=72 Exploring Operation: 49-25=24, Resulting Numbers: [23, 24] Generated Node #0,4,2: 48:[23, 24] Operation: 49-25=24 Exploring Operation: 49-23=26, Resulting Numbers: [25, 26] Generated Node #0,4,3: 48:[25, 26] Operation: 49-23=26 Exploring Operation: 23+25=48, Resulting Numbers: [49, 48] Generated Node #0,4,4: 48:[49, 48] Operation: 23+25=48 Moving to Node #0,0 Current State: 48:[50, 23, 24], Operations: ['49-25=24'] Exploring Operation: 24-23=1, Resulting Numbers: [50, 1] Generated Node #0,0,0: 48:[50, 1] Operation: 24-23=1 Exploring Operation: 23+24=47, Resulting Numbers: [50, 47] Generated Node #0,0,1: 48:[50, 47] Operation: 23+24=47 Exploring Operation: 50-24=26, Resulting Numbers: [23, 26] Generated Node #0,0,2: 48:[23, 26] Operation: 50-24=26 Exploring Operation: 50-23=27, Resulting Numbers: [24, 27] Generated Node #0,0,3: 48:[24, 27] Operation: 50-23=27 Exploring Operation: 50+23=73, Resulting Numbers: [24, 73] Generated Node #0,0,4: 48:[24, 73] Operation: 50+23=73 Moving to Node #0,2 Current State: 48:[50, 49, 48], Operations: ['25+23=48'] Exploring Operation: 50-48=2, Resulting Numbers: [49, 2] Generated Node #0,2,0: 48:[49, 2] Operation: 50-48=2 Exploring Operation: 50-49=1, Resulting Numbers: [48, 1] Generated Node #0,2,1: 48:[48, 1] Operation: 50-49=1 Exploring Operation: 50+48=98, Resulting Numbers: [49, 98] Generated Node #0,2,2: 48:[49, 98] Operation: 50+48=98 Exploring Operation: 49-48=1, Resulting Numbers: [50, 1] Generated Node #0,2,3: 48:[50, 1] Operation: 49-48=1 Exploring Operation: 50+49=99, Resulting Numbers: [48, 99] Generated Node #0,2,4: 48:[48, 99] Operation: 50+49=99 Moving to Node #0,4,0 Current State: 48:[49, 2], Operations: ['50-25=25', '25-23=2'] Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,48 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,48 unequal: No Solution Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,48 unequal: No Solution Moving to Node #0,4,4 Current State: 48:[49, 48], Operations: ['50-25=25', '23+25=48'] Exploring Operation: 49-48=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 49+48=97, Resulting Numbers: [97] 97,48 unequal: No Solution Exploring Operation: 49*48=2352, Resulting Numbers: [2352] 2352,48 unequal: No Solution Moving to Node #0,2,1 Current State: 48:[48, 1], Operations: ['25+23=48', '50-49=1'] Exploring Operation: 48+1=49, Resulting Numbers: [49] 49,48 unequal: No Solution Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,48 unequal: No Solution Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[25, 50, 49, 23], Operations: [] Exploring Operation: 25+23=48, Resulting Numbers: [50, 49, 48] Generated Node #0,2: 48:[50, 49, 48] Operation: 25+23=48 Moving to Node #0,2 Current State: 48:[50, 49, 48], Operations: ['25+23=48'] Exploring Operation: 50-49=1, Resulting Numbers: [48, 1] Generated Node #0,2,1: 48:[48, 1] Operation: 50-49=1 Moving to Node #0,2,1 Current State: 48:[48, 1], Operations: ['25+23=48', '50-49=1'] Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
0.934896
hs_5
mult_heuristic
[ 85, 51, 80, 38 ]
70
[ "80-38=42", "85*42=3570", "3570/51=70" ]
Current State: 70:[85, 51, 80, 38], Operations: [] Exploring Operation: 80-38=42, Resulting Numbers: [85, 51, 42] Generated Node #2: [85, 51, 42] from Operation: 80-38=42 Current State: 70:[85, 51, 42], Operations: ['80-38=42'] Exploring Operation: 85*42=3570, Resulting Numbers: [51, 3570] Generated Node #3: [51, 3570] from Operation: 85*42=3570 Current State: 70:[51, 3570], Operations: ['80-38=42', '85*42=3570'] Exploring Operation: 3570/51=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[85, 51, 80, 38], Operations: [] Exploring Operation: 85-80=5, Resulting Numbers: [51, 38, 5] Generated Node #0,0: 70:[51, 38, 5] Operation: 85-80=5 Exploring Operation: 85-51=34, Resulting Numbers: [80, 38, 34] Generated Node #0,1: 70:[80, 38, 34] Operation: 85-51=34 Moving to Node #0,1 Current State: 70:[80, 38, 34], Operations: ['85-51=34'] Exploring Operation: 80-38=42, Resulting Numbers: [34, 42] Generated Node #0,1,0: 70:[34, 42] Operation: 80-38=42 Exploring Operation: 38-34=4, Resulting Numbers: [80, 4] Generated Node #0,1,1: 70:[80, 4] Operation: 38-34=4 Moving to Node #0,0 Current State: 70:[51, 38, 5], Operations: ['85-80=5'] Exploring Operation: 51-38=13, Resulting Numbers: [5, 13] Generated Node #0,0,0: 70:[5, 13] Operation: 51-38=13 Exploring Operation: 51-5=46, Resulting Numbers: [38, 46] Generated Node #0,0,1: 70:[38, 46] Operation: 51-5=46 Moving to Node #0,0,0 Current State: 70:[5, 13], Operations: ['85-80=5', '51-38=13'] Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[34, 42], Operations: ['85-51=34', '80-38=42'] Exploring Operation: 34+42=76, Resulting Numbers: [76] 76,70 unequal: No Solution Exploring Operation: 42-34=8, Resulting Numbers: [8] 8,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[80, 4], Operations: ['85-51=34', '38-34=4'] Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,70 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[38, 46], Operations: ['85-80=5', '51-5=46'] Exploring Operation: 38+46=84, Resulting Numbers: [84] 84,70 unequal: No Solution Exploring Operation: 46-38=8, Resulting Numbers: [8] 8,70 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 3, 88, 73, 83 ]
14
[ "73-3=70", "88-83=5", "70/5=14" ]
Current State: 14:[3, 88, 73, 83], Operations: [] Exploring Operation: 73-3=70, Resulting Numbers: [88, 83, 70] Generated Node #2: [88, 83, 70] from Operation: 73-3=70 Current State: 14:[88, 83, 70], Operations: ['73-3=70'] Exploring Operation: 88-83=5, Resulting Numbers: [70, 5] Generated Node #3: [70, 5] from Operation: 88-83=5 Current State: 14:[70, 5], Operations: ['73-3=70', '88-83=5'] Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[3, 88, 73, 83], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [3, 73, 5] Generated Node #0,0: 14:[3, 73, 5] Operation: 88-83=5 Exploring Operation: 88-73=15, Resulting Numbers: [3, 83, 15] Generated Node #0,1: 14:[3, 83, 15] Operation: 88-73=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[3, 73, 5], Operations: ['88-83=5'] Exploring Operation: 73-5=68, Resulting Numbers: [3, 68] Generated Node #0,0,0: 14:[3, 68] Operation: 73-5=68 Exploring Operation: 73-3=70, Resulting Numbers: [5, 70] Generated Node #0,0,1: 14:[5, 70] Operation: 73-3=70 Moving to Node #0,0,0 Current State: 14:[3, 68], Operations: ['88-83=5', '73-5=68'] Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,14 unequal: No Solution Exploring Operation: 3+68=71, Resulting Numbers: [71] 71,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[5, 70], Operations: ['88-83=5', '73-3=70'] Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[3, 88, 73, 83], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [3, 73, 5] Generated Node #0,0: 14:[3, 73, 5] Operation: 88-83=5 Moving to Node #0,0 Current State: 14:[3, 73, 5], Operations: ['88-83=5'] Exploring Operation: 73-3=70, Resulting Numbers: [5, 70] Generated Node #0,0,1: 14:[5, 70] Operation: 73-3=70 Moving to Node #0,0,1 Current State: 14:[5, 70], Operations: ['88-83=5', '73-3=70'] Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 64, 21, 95, 72 ]
32
[ "95-21=74", "74-72=2", "64/2=32" ]
Current State: 32:[64, 21, 95, 72], Operations: [] Exploring Operation: 95-21=74, Resulting Numbers: [64, 72, 74] Generated Node #2: [64, 72, 74] from Operation: 95-21=74 Current State: 32:[64, 72, 74], Operations: ['95-21=74'] Exploring Operation: 74-72=2, Resulting Numbers: [64, 2] Generated Node #3: [64, 2] from Operation: 74-72=2 Current State: 32:[64, 2], Operations: ['95-21=74', '74-72=2'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[64, 21, 95, 72], Operations: [] Exploring Operation: 95-64=31, Resulting Numbers: [21, 72, 31] Generated Node #0,0: 32:[21, 72, 31] Operation: 95-64=31 Exploring Operation: 72-64=8, Resulting Numbers: [21, 95, 8] Generated Node #0,1: 32:[21, 95, 8] Operation: 72-64=8 Exploring Operation: 95-72=23, Resulting Numbers: [64, 21, 23] Generated Node #0,2: 32:[64, 21, 23] Operation: 95-72=23 Moving to Node #0,2 Current State: 32:[64, 21, 23], Operations: ['95-72=23'] Exploring Operation: 64-23=41, Resulting Numbers: [21, 41] Generated Node #0,2,0: 32:[21, 41] Operation: 64-23=41 Exploring Operation: 64-21=43, Resulting Numbers: [23, 43] Generated Node #0,2,1: 32:[23, 43] Operation: 64-21=43 Exploring Operation: 23-21=2, Resulting Numbers: [64, 2] Generated Node #0,2,2: 32:[64, 2] Operation: 23-21=2 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 32:[21, 41], Operations: ['95-72=23', '64-23=41'] Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,32 unequal: No Solution Exploring Operation: 21+41=62, Resulting Numbers: [62] 62,32 unequal: No Solution Exploring Operation: 21*41=861, Resulting Numbers: [861] 861,32 unequal: No Solution No 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: 32:[23, 43], Operations: ['95-72=23', '64-21=43'] Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,32 unequal: No Solution Exploring Operation: 23+43=66, Resulting Numbers: [66] 66,32 unequal: No Solution Exploring Operation: 23*43=989, Resulting Numbers: [989] 989,32 unequal: No Solution No 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: 32:[64, 2], Operations: ['95-72=23', '23-21=2'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[64, 21, 95, 72], Operations: [] Exploring Operation: 95-72=23, Resulting Numbers: [64, 21, 23] Generated Node #0,2: 32:[64, 21, 23] Operation: 95-72=23 Moving to Node #0,2 Current State: 32:[64, 21, 23], Operations: ['95-72=23'] Exploring Operation: 23-21=2, Resulting Numbers: [64, 2] Generated Node #0,2,2: 32:[64, 2] Operation: 23-21=2 Moving to Node #0,2,2 Current State: 32:[64, 2], Operations: ['95-72=23', '23-21=2'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 80, 11, 83, 74 ]
100
[ "80+11=91", "83-74=9", "91+9=100" ]
Current State: 100:[80, 11, 83, 74], Operations: [] Exploring Operation: 80+11=91, Resulting Numbers: [83, 74, 91] Generated Node #2: [83, 74, 91] from Operation: 80+11=91 Current State: 100:[83, 74, 91], Operations: ['80+11=91'] Exploring Operation: 83-74=9, Resulting Numbers: [91, 9] Generated Node #3: [91, 9] from Operation: 83-74=9 Current State: 100:[91, 9], Operations: ['80+11=91', '83-74=9'] Exploring Operation: 91+9=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[80, 11, 83, 74], Operations: [] Exploring Operation: 80-74=6, Resulting Numbers: [11, 83, 6] Generated Node #0,0: 100:[11, 83, 6] Operation: 80-74=6 Exploring Operation: 83-80=3, Resulting Numbers: [11, 74, 3] Generated Node #0,1: 100:[11, 74, 3] Operation: 83-80=3 Exploring Operation: 83-74=9, Resulting Numbers: [80, 11, 9] Generated Node #0,2: 100:[80, 11, 9] Operation: 83-74=9 Moving to Node #0,0 Current State: 100:[11, 83, 6], Operations: ['80-74=6'] Exploring Operation: 11+83=94, Resulting Numbers: [6, 94] Generated Node #0,0,0: 100:[6, 94] Operation: 11+83=94 Exploring Operation: 83+6=89, Resulting Numbers: [11, 89] Generated Node #0,0,1: 100:[11, 89] Operation: 83+6=89 Exploring Operation: 11-6=5, Resulting Numbers: [83, 5] Generated Node #0,0,2: 100:[83, 5] Operation: 11-6=5 Moving to Node #0,2 Current State: 100:[80, 11, 9], Operations: ['83-74=9'] Exploring Operation: 80+11=91, Resulting Numbers: [9, 91] Generated Node #0,2,0: 100:[9, 91] Operation: 80+11=91 Exploring Operation: 80-11=69, Resulting Numbers: [9, 69] Generated Node #0,2,1: 100:[9, 69] Operation: 80-11=69 Exploring Operation: 80+9=89, Resulting Numbers: [11, 89] Generated Node #0,2,2: 100:[11, 89] Operation: 80+9=89 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 100:[9, 91], Operations: ['83-74=9', '80+11=91'] Exploring Operation: 9*91=819, Resulting Numbers: [819] 819,100 unequal: No Solution Exploring Operation: 9+91=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[80, 11, 83, 74], Operations: [] Exploring Operation: 83-74=9, Resulting Numbers: [80, 11, 9] Generated Node #0,2: 100:[80, 11, 9] Operation: 83-74=9 Moving to Node #0,2 Current State: 100:[80, 11, 9], Operations: ['83-74=9'] Exploring Operation: 80+11=91, Resulting Numbers: [9, 91] Generated Node #0,2,0: 100:[9, 91] Operation: 80+11=91 Moving to Node #0,2,0 Current State: 100:[9, 91], Operations: ['83-74=9', '80+11=91'] Exploring Operation: 9+91=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 41, 26, 16, 43 ]
12
[ "41-26=15", "43-16=27", "27-15=12" ]
Current State: 12:[41, 26, 16, 43], Operations: [] Exploring Operation: 41-26=15, Resulting Numbers: [16, 43, 15] Generated Node #2: [16, 43, 15] from Operation: 41-26=15 Current State: 12:[16, 43, 15], Operations: ['41-26=15'] Exploring Operation: 43-16=27, Resulting Numbers: [15, 27] Generated Node #3: [15, 27] from Operation: 43-16=27 Current State: 12:[15, 27], Operations: ['41-26=15', '43-16=27'] Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[41, 26, 16, 43], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [26, 16, 2] Generated Node #0,0: 12:[26, 16, 2] Operation: 43-41=2 Exploring Operation: 41-26=15, Resulting Numbers: [16, 43, 15] Generated Node #0,1: 12:[16, 43, 15] Operation: 41-26=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[26, 16, 2], Operations: ['43-41=2'] Exploring Operation: 26-16=10, Resulting Numbers: [2, 10] Generated Node #0,0,0: 12:[2, 10] Operation: 26-16=10 Exploring Operation: 26/2=13, Resulting Numbers: [16, 13] Generated Node #0,0,1: 12:[16, 13] Operation: 26/2=13 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[2, 10], Operations: ['43-41=2', '26-16=10'] Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,12 unequal: No Solution Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[41, 26, 16, 43], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [26, 16, 2] Generated Node #0,0: 12:[26, 16, 2] Operation: 43-41=2 Moving to Node #0,0 Current State: 12:[26, 16, 2], Operations: ['43-41=2'] Exploring Operation: 26-16=10, Resulting Numbers: [2, 10] Generated Node #0,0,0: 12:[2, 10] Operation: 26-16=10 Moving to Node #0,0,0 Current State: 12:[2, 10], Operations: ['43-41=2', '26-16=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 24, 42, 80, 9 ]
94
[ "24*9=216", "42+80=122", "216-122=94" ]
Current State: 94:[24, 42, 80, 9], Operations: [] Exploring Operation: 24*9=216, Resulting Numbers: [42, 80, 216] Generated Node #2: [42, 80, 216] from Operation: 24*9=216 Current State: 94:[42, 80, 216], Operations: ['24*9=216'] Exploring Operation: 42+80=122, Resulting Numbers: [216, 122] Generated Node #3: [216, 122] from Operation: 42+80=122 Current State: 94:[216, 122], Operations: ['24*9=216', '42+80=122'] Exploring Operation: 216-122=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[24, 42, 80, 9], Operations: [] Exploring Operation: 80+9=89, Resulting Numbers: [24, 42, 89] Generated Node #0,0: 94:[24, 42, 89] Operation: 80+9=89 Exploring Operation: 24+80=104, Resulting Numbers: [42, 9, 104] Generated Node #0,1: 94:[42, 9, 104] Operation: 24+80=104 Exploring Operation: 80-24=56, Resulting Numbers: [42, 9, 56] Generated Node #0,2: 94:[42, 9, 56] Operation: 80-24=56 Exploring Operation: 24-9=15, Resulting Numbers: [42, 80, 15] Generated Node #0,3: 94:[42, 80, 15] Operation: 24-9=15 Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[42, 9, 56], Operations: ['80-24=56'] Exploring Operation: 42+9=51, Resulting Numbers: [56, 51] Generated Node #0,2,0: 94:[56, 51] Operation: 42+9=51 Exploring Operation: 42+56=98, Resulting Numbers: [9, 98] Generated Node #0,2,1: 94:[9, 98] Operation: 42+56=98 Exploring Operation: 56-9=47, Resulting Numbers: [42, 47] Generated Node #0,2,2: 94:[42, 47] Operation: 56-9=47 Exploring Operation: 56-42=14, Resulting Numbers: [9, 14] Generated Node #0,2,3: 94:[9, 14] Operation: 56-42=14 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 94:[42, 47], Operations: ['80-24=56', '56-9=47'] Exploring Operation: 42*47=1974, Resulting Numbers: [1974] 1974,94 unequal: No Solution Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 42+47=89, Resulting Numbers: [89] 89,94 unequal: No Solution No 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: 94:[9, 98], Operations: ['80-24=56', '42+56=98'] Exploring Operation: 9+98=107, Resulting Numbers: [107] 107,94 unequal: No Solution Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,94 unequal: No Solution Exploring Operation: 9*98=882, Resulting Numbers: [882] 882,94 unequal: No Solution No 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: 94:[56, 51], Operations: ['80-24=56', '42+9=51'] Exploring Operation: 56-51=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 56*51=2856, Resulting Numbers: [2856] 2856,94 unequal: No Solution Exploring Operation: 56+51=107, Resulting Numbers: [107] 107,94 unequal: No Solution No 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: 94:[9, 14], Operations: ['80-24=56', '56-42=14'] Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,94 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,94 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 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[42, 9, 104], Operations: ['24+80=104'] Exploring Operation: 104-42=62, Resulting Numbers: [9, 62] Generated Node #0,1,0: 94:[9, 62] Operation: 104-42=62 Exploring Operation: 42-9=33, Resulting Numbers: [104, 33] Generated Node #0,1,1: 94:[104, 33] Operation: 42-9=33 Exploring Operation: 104-9=95, Resulting Numbers: [42, 95] Generated Node #0,1,2: 94:[42, 95] Operation: 104-9=95 Exploring Operation: 42+9=51, Resulting Numbers: [104, 51] Generated Node #0,1,3: 94:[104, 51] Operation: 42+9=51 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 94:[42, 95], Operations: ['24+80=104', '104-9=95'] Exploring Operation: 42*95=3990, Resulting Numbers: [3990] 3990,94 unequal: No Solution Exploring Operation: 42+95=137, Resulting Numbers: [137] 137,94 unequal: No Solution Exploring Operation: 95-42=53, Resulting Numbers: [53] 53,94 unequal: No Solution No 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: 94:[104, 51], Operations: ['24+80=104', '42+9=51'] Exploring Operation: 104-51=53, Resulting Numbers: [53] 53,94 unequal: No Solution Exploring Operation: 104+51=155, Resulting Numbers: [155] 155,94 unequal: No Solution Exploring Operation: 104*51=5304, Resulting Numbers: [5304] 5304,94 unequal: No Solution No 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: 94:[9, 62], Operations: ['24+80=104', '104-42=62'] Exploring Operation: 9+62=71, Resulting Numbers: [71] 71,94 unequal: No Solution Exploring Operation: 9*62=558, Resulting Numbers: [558] 558,94 unequal: No Solution Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,94 unequal: No Solution No 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: 94:[104, 33], Operations: ['24+80=104', '42-9=33'] Exploring Operation: 104+33=137, Resulting Numbers: [137] 137,94 unequal: No Solution Exploring Operation: 104-33=71, Resulting Numbers: [71] 71,94 unequal: No Solution Exploring Operation: 104*33=3432, Resulting Numbers: [3432] 3432,94 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[24, 42, 89], Operations: ['80+9=89'] Exploring Operation: 24+42=66, Resulting Numbers: [89, 66] Generated Node #0,0,0: 94:[89, 66] Operation: 24+42=66 Exploring Operation: 42-24=18, Resulting Numbers: [89, 18] Generated Node #0,0,1: 94:[89, 18] Operation: 42-24=18 Exploring Operation: 89-42=47, Resulting Numbers: [24, 47] Generated Node #0,0,2: 94:[24, 47] Operation: 89-42=47 Exploring Operation: 89-24=65, Resulting Numbers: [42, 65] Generated Node #0,0,3: 94:[42, 65] Operation: 89-24=65 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 94:[89, 18], Operations: ['80+9=89', '42-24=18'] Exploring Operation: 89*18=1602, Resulting Numbers: [1602] 1602,94 unequal: No Solution Exploring Operation: 89+18=107, Resulting Numbers: [107] 107,94 unequal: No Solution Exploring Operation: 89-18=71, Resulting Numbers: [71] 71,94 unequal: No Solution No 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: 94:[24, 47], Operations: ['80+9=89', '89-42=47'] Exploring Operation: 24*47=1128, Resulting Numbers: [1128] 1128,94 unequal: No Solution Exploring Operation: 47-24=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 24+47=71, Resulting Numbers: [71] 71,94 unequal: No Solution No 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: 94:[42, 65], Operations: ['80+9=89', '89-24=65'] Exploring Operation: 42+65=107, Resulting Numbers: [107] 107,94 unequal: No Solution Exploring Operation: 65-42=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 42*65=2730, Resulting Numbers: [2730] 2730,94 unequal: No Solution No 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: 94:[89, 66], Operations: ['80+9=89', '24+42=66'] Exploring Operation: 89-66=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 89+66=155, Resulting Numbers: [155] 155,94 unequal: No Solution Exploring Operation: 89*66=5874, Resulting Numbers: [5874] 5874,94 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 Start Sub Search at level 1: Moving to Node #0,3 Current State: 94:[42, 80, 15], Operations: ['24-9=15'] Exploring Operation: 80-42=38, Resulting Numbers: [15, 38] Generated Node #0,3,0: 94:[15, 38] Operation: 80-42=38 Exploring Operation: 42+15=57, Resulting Numbers: [80, 57] Generated Node #0,3,1: 94:[80, 57] Operation: 42+15=57 Exploring Operation: 80-15=65, Resulting Numbers: [42, 65] Generated Node #0,3,2: 94:[42, 65] Operation: 80-15=65 Exploring Operation: 80+15=95, Resulting Numbers: [42, 95] Generated Node #0,3,3: 94:[42, 95] Operation: 80+15=95 Moving to Node #0,3,3 Current State: 94:[42, 95], Operations: ['24-9=15', '80+15=95'] Exploring Operation: 42+95=137, Resulting Numbers: [137] 137,94 unequal: No Solution Exploring Operation: 42*95=3990, Resulting Numbers: [3990] 3990,94 unequal: No Solution Exploring Operation: 95-42=53, Resulting Numbers: [53] 53,94 unequal: No Solution Moving to Node #0,3,0 Current State: 94:[15, 38], Operations: ['24-9=15', '80-42=38'] Exploring Operation: 15+38=53, Resulting Numbers: [53] 53,94 unequal: No Solution Exploring Operation: 15*38=570, Resulting Numbers: [570] 570,94 unequal: No Solution Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,94 unequal: No Solution Moving to Node #0,3,2 Current State: 94:[42, 65], Operations: ['24-9=15', '80-15=65'] Exploring Operation: 42+65=107, Resulting Numbers: [107] 107,94 unequal: No Solution Exploring Operation: 65-42=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 42*65=2730, Resulting Numbers: [2730] 2730,94 unequal: No Solution Moving to Node #0,3,1 Current State: 94:[80, 57], Operations: ['24-9=15', '42+15=57'] Exploring Operation: 80-57=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 80*57=4560, Resulting Numbers: [4560] 4560,94 unequal: No Solution Exploring Operation: 80+57=137, Resulting Numbers: [137] 137,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 63, 2, 65, 98 ]
28
[ "63-2=61", "98-65=33", "61-33=28" ]
Current State: 28:[63, 2, 65, 98], Operations: [] Exploring Operation: 63-2=61, Resulting Numbers: [65, 98, 61] Generated Node #2: [65, 98, 61] from Operation: 63-2=61 Current State: 28:[65, 98, 61], Operations: ['63-2=61'] Exploring Operation: 98-65=33, Resulting Numbers: [61, 33] Generated Node #3: [61, 33] from Operation: 98-65=33 Current State: 28:[61, 33], Operations: ['63-2=61', '98-65=33'] Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[63, 2, 65, 98], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [63, 2, 33] Generated Node #0,0: 28:[63, 2, 33] Operation: 98-65=33 Moving to Node #0,0 Current State: 28:[63, 2, 33], Operations: ['98-65=33'] Exploring Operation: 63-33=30, Resulting Numbers: [2, 30] Generated Node #0,0,0: 28:[2, 30] Operation: 63-33=30 Moving to Node #0,0,0 Current State: 28:[2, 30], Operations: ['98-65=33', '63-33=30'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[63, 2, 65, 98], Operations: [] Exploring Operation: 98-65=33, Resulting Numbers: [63, 2, 33] Generated Node #0,0: 28:[63, 2, 33] Operation: 98-65=33 Moving to Node #0,0 Current State: 28:[63, 2, 33], Operations: ['98-65=33'] Exploring Operation: 63-33=30, Resulting Numbers: [2, 30] Generated Node #0,0,0: 28:[2, 30] Operation: 63-33=30 Moving to Node #0,0,0 Current State: 28:[2, 30], Operations: ['98-65=33', '63-33=30'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 87, 65, 85, 32 ]
95
[ "87-65=22", "85+32=117", "117-22=95" ]
Current State: 95:[87, 65, 85, 32], Operations: [] Exploring Operation: 87-65=22, Resulting Numbers: [85, 32, 22] Generated Node #2: [85, 32, 22] from Operation: 87-65=22 Current State: 95:[85, 32, 22], Operations: ['87-65=22'] Exploring Operation: 85+32=117, Resulting Numbers: [22, 117] Generated Node #3: [22, 117] from Operation: 85+32=117 Current State: 95:[22, 117], Operations: ['87-65=22', '85+32=117'] Exploring Operation: 117-22=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[87, 65, 85, 32], Operations: [] Exploring Operation: 85-65=20, Resulting Numbers: [87, 32, 20] Generated Node #0,0: 95:[87, 32, 20] Operation: 85-65=20 Exploring Operation: 65+32=97, Resulting Numbers: [87, 85, 97] Generated Node #0,1: 95:[87, 85, 97] Operation: 65+32=97 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[87, 85, 97], Operations: ['65+32=97'] Exploring Operation: 87-85=2, Resulting Numbers: [97, 2] Generated Node #0,1,0: 95:[97, 2] Operation: 87-85=2 Exploring Operation: 97-87=10, Resulting Numbers: [85, 10] Generated Node #0,1,1: 95:[85, 10] Operation: 97-87=10 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 95:[97, 2], Operations: ['65+32=97', '87-85=2'] Exploring Operation: 97+2=99, Resulting Numbers: [99] 99,95 unequal: No Solution Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[87, 65, 85, 32], Operations: [] Exploring Operation: 65+32=97, Resulting Numbers: [87, 85, 97] Generated Node #0,1: 95:[87, 85, 97] Operation: 65+32=97 Moving to Node #0,1 Current State: 95:[87, 85, 97], Operations: ['65+32=97'] Exploring Operation: 87-85=2, Resulting Numbers: [97, 2] Generated Node #0,1,0: 95:[97, 2] Operation: 87-85=2 Moving to Node #0,1,0 Current State: 95:[97, 2], Operations: ['65+32=97', '87-85=2'] Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 27, 20, 2, 28 ]
19
[ "27-20=7", "28-2=26", "26-7=19" ]
Current State: 19:[27, 20, 2, 28], Operations: [] Exploring Operation: 27-20=7, Resulting Numbers: [2, 28, 7] Generated Node #2: [2, 28, 7] from Operation: 27-20=7 Current State: 19:[2, 28, 7], Operations: ['27-20=7'] Exploring Operation: 28-2=26, Resulting Numbers: [7, 26] Generated Node #3: [7, 26] from Operation: 28-2=26 Current State: 19:[7, 26], Operations: ['27-20=7', '28-2=26'] Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[27, 20, 2, 28], Operations: [] Exploring Operation: 27-2=25, Resulting Numbers: [20, 28, 25] Generated Node #0,0: 19:[20, 28, 25] Operation: 27-2=25 Exploring Operation: 20-2=18, Resulting Numbers: [27, 28, 18] Generated Node #0,1: 19:[27, 28, 18] Operation: 20-2=18 Exploring Operation: 28-2=26, Resulting Numbers: [27, 20, 26] Generated Node #0,2: 19:[27, 20, 26] Operation: 28-2=26 Exploring Operation: 28/2=14, Resulting Numbers: [27, 20, 14] Generated Node #0,3: 19:[27, 20, 14] Operation: 28/2=14 Moving to Node #0,3 Current State: 19:[27, 20, 14], Operations: ['28/2=14'] Exploring Operation: 20-14=6, Resulting Numbers: [27, 6] Generated Node #0,3,0: 19:[27, 6] Operation: 20-14=6 Exploring Operation: 27+14=41, Resulting Numbers: [20, 41] Generated Node #0,3,1: 19:[20, 41] Operation: 27+14=41 Exploring Operation: 27-14=13, Resulting Numbers: [20, 13] Generated Node #0,3,2: 19:[20, 13] Operation: 27-14=13 Exploring Operation: 27-20=7, Resulting Numbers: [14, 7] Generated Node #0,3,3: 19:[14, 7] Operation: 27-20=7 Moving to Node #0,2 Current State: 19:[27, 20, 26], Operations: ['28-2=26'] Exploring Operation: 27-26=1, Resulting Numbers: [20, 1] Generated Node #0,2,0: 19:[20, 1] Operation: 27-26=1 Exploring Operation: 27-20=7, Resulting Numbers: [26, 7] Generated Node #0,2,1: 19:[26, 7] Operation: 27-20=7 Exploring Operation: 27+20=47, Resulting Numbers: [26, 47] Generated Node #0,2,2: 19:[26, 47] Operation: 27+20=47 Exploring Operation: 26-20=6, Resulting Numbers: [27, 6] Generated Node #0,2,3: 19:[27, 6] Operation: 26-20=6 Moving to Node #0,0 Current State: 19:[20, 28, 25], Operations: ['27-2=25'] Exploring Operation: 25-20=5, Resulting Numbers: [28, 5] Generated Node #0,0,0: 19:[28, 5] Operation: 25-20=5 Exploring Operation: 28-25=3, Resulting Numbers: [20, 3] Generated Node #0,0,1: 19:[20, 3] Operation: 28-25=3 Exploring Operation: 28-20=8, Resulting Numbers: [25, 8] Generated Node #0,0,2: 19:[25, 8] Operation: 28-20=8 Exploring Operation: 20+28=48, Resulting Numbers: [25, 48] Generated Node #0,0,3: 19:[25, 48] Operation: 20+28=48 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[20, 3], Operations: ['27-2=25', '28-25=3'] Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,19 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 #0,0,2 Current State: 19:[25, 8], Operations: ['27-2=25', '28-20=8'] Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 25*8=200, Resulting Numbers: [200] 200,19 unequal: No Solution Exploring Operation: 25+8=33, Resulting Numbers: [33] 33,19 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 #0,0,0 Current State: 19:[28, 5], Operations: ['27-2=25', '25-20=5'] Exploring Operation: 28*5=140, Resulting Numbers: [140] 140,19 unequal: No Solution Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,19 unequal: No Solution Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,19 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 #0,0,3 Current State: 19:[25, 48], Operations: ['27-2=25', '20+28=48'] Exploring Operation: 25+48=73, Resulting Numbers: [73] 73,19 unequal: No Solution Exploring Operation: 25*48=1200, Resulting Numbers: [1200] 1200,19 unequal: No Solution Exploring Operation: 48-25=23, Resulting Numbers: [23] 23,19 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: 19:[27, 28, 18], Operations: ['20-2=18'] Exploring Operation: 27+18=45, Resulting Numbers: [28, 45] Generated Node #0,1,0: 19:[28, 45] Operation: 27+18=45 Exploring Operation: 27-18=9, Resulting Numbers: [28, 9] Generated Node #0,1,1: 19:[28, 9] Operation: 27-18=9 Exploring Operation: 28-18=10, Resulting Numbers: [27, 10] Generated Node #0,1,2: 19:[27, 10] Operation: 28-18=10 Exploring Operation: 28-27=1, Resulting Numbers: [18, 1] Generated Node #0,1,3: 19:[18, 1] Operation: 28-27=1 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 19:[27, 10], Operations: ['20-2=18', '28-18=10'] Exploring Operation: 27*10=270, Resulting Numbers: [270] 270,19 unequal: No Solution Exploring Operation: 27+10=37, Resulting Numbers: [37] 37,19 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,19 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 #0,1,1 Current State: 19:[28, 9], Operations: ['20-2=18', '27-18=9'] Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[27, 20, 2, 28], Operations: [] Exploring Operation: 20-2=18, Resulting Numbers: [27, 28, 18] Generated Node #0,1: 19:[27, 28, 18] Operation: 20-2=18 Moving to Node #0,1 Current State: 19:[27, 28, 18], Operations: ['20-2=18'] Exploring Operation: 27-18=9, Resulting Numbers: [28, 9] Generated Node #0,1,1: 19:[28, 9] Operation: 27-18=9 Moving to Node #0,1,1 Current State: 19:[28, 9], Operations: ['20-2=18', '27-18=9'] Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_4
sum_heuristic
[ 75, 19, 42, 99 ]
25
[ "75*19=1425", "99-42=57", "1425/57=25" ]
Current State: 25:[75, 19, 42, 99], Operations: [] Exploring Operation: 75*19=1425, Resulting Numbers: [42, 99, 1425] Generated Node #2: [42, 99, 1425] from Operation: 75*19=1425 Current State: 25:[42, 99, 1425], Operations: ['75*19=1425'] Exploring Operation: 99-42=57, Resulting Numbers: [1425, 57] Generated Node #3: [1425, 57] from Operation: 99-42=57 Current State: 25:[1425, 57], Operations: ['75*19=1425', '99-42=57'] Exploring Operation: 1425/57=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[75, 19, 42, 99], Operations: [] Exploring Operation: 75-42=33, Resulting Numbers: [19, 99, 33] Generated Node #0,0: 25:[19, 99, 33] Operation: 75-42=33 Exploring Operation: 75-19=56, Resulting Numbers: [42, 99, 56] Generated Node #0,1: 25:[42, 99, 56] Operation: 75-19=56 Exploring Operation: 99-75=24, Resulting Numbers: [19, 42, 24] Generated Node #0,2: 25:[19, 42, 24] Operation: 99-75=24 Exploring Operation: 99-42=57, Resulting Numbers: [75, 19, 57] Generated Node #0,3: 25:[75, 19, 57] Operation: 99-42=57 Exploring Operation: 99-19=80, Resulting Numbers: [75, 42, 80] Generated Node #0,4: 25:[75, 42, 80] Operation: 99-19=80 Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[19, 42, 24], Operations: ['99-75=24'] Exploring Operation: 42-19=23, Resulting Numbers: [24, 23] Generated Node #0,2,0: 25:[24, 23] Operation: 42-19=23 Exploring Operation: 24-19=5, Resulting Numbers: [42, 5] Generated Node #0,2,1: 25:[42, 5] Operation: 24-19=5 Exploring Operation: 19+24=43, Resulting Numbers: [42, 43] Generated Node #0,2,2: 25:[42, 43] Operation: 19+24=43 Exploring Operation: 19+42=61, Resulting Numbers: [24, 61] Generated Node #0,2,3: 25:[24, 61] Operation: 19+42=61 Exploring Operation: 42-24=18, Resulting Numbers: [19, 18] Generated Node #0,2,4: 25:[19, 18] Operation: 42-24=18 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 25:[24, 23], Operations: ['99-75=24', '42-19=23'] Exploring Operation: 24-23=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 24*23=552, Resulting Numbers: [552] 552,25 unequal: No Solution Exploring Operation: 24+23=47, Resulting Numbers: [47] 47,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 25:[19, 18], Operations: ['99-75=24', '42-24=18'] Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,25 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 25:[42, 5], Operations: ['99-75=24', '24-19=5'] Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,25 unequal: No Solution Exploring Operation: 42+5=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 42*5=210, Resulting Numbers: [210] 210,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 25:[42, 43], Operations: ['99-75=24', '19+24=43'] Exploring Operation: 42*43=1806, Resulting Numbers: [1806] 1806,25 unequal: No Solution Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 42+43=85, Resulting Numbers: [85] 85,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 25:[24, 61], Operations: ['99-75=24', '19+42=61'] Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,25 unequal: No Solution Exploring Operation: 24*61=1464, Resulting Numbers: [1464] 1464,25 unequal: No Solution Exploring Operation: 24+61=85, Resulting Numbers: [85] 85,25 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 #0,0 Current State: 25:[19, 99, 33], Operations: ['75-42=33'] Exploring Operation: 19+99=118, Resulting Numbers: [33, 118] Generated Node #0,0,0: 25:[33, 118] Operation: 19+99=118 Exploring Operation: 99-19=80, Resulting Numbers: [33, 80] Generated Node #0,0,1: 25:[33, 80] Operation: 99-19=80 Exploring Operation: 33-19=14, Resulting Numbers: [99, 14] Generated Node #0,0,2: 25:[99, 14] Operation: 33-19=14 Exploring Operation: 99/33=3, Resulting Numbers: [19, 3] Generated Node #0,0,3: 25:[19, 3] Operation: 99/33=3 Exploring Operation: 99-33=66, Resulting Numbers: [19, 66] Generated Node #0,0,4: 25:[19, 66] Operation: 99-33=66 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 25:[19, 3], Operations: ['75-42=33', '99/33=3'] Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,25 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,25 unequal: No Solution Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 25:[19, 66], Operations: ['75-42=33', '99-33=66'] Exploring Operation: 19+66=85, Resulting Numbers: [85] 85,25 unequal: No Solution Exploring Operation: 66-19=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 19*66=1254, Resulting Numbers: [1254] 1254,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 25:[33, 80], Operations: ['75-42=33', '99-19=80'] Exploring Operation: 80-33=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 33*80=2640, Resulting Numbers: [2640] 2640,25 unequal: No Solution Exploring Operation: 33+80=113, Resulting Numbers: [113] 113,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 25:[99, 14], Operations: ['75-42=33', '33-19=14'] Exploring Operation: 99*14=1386, Resulting Numbers: [1386] 1386,25 unequal: No Solution Exploring Operation: 99-14=85, Resulting Numbers: [85] 85,25 unequal: No Solution Exploring Operation: 99+14=113, Resulting Numbers: [113] 113,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[33, 118], Operations: ['75-42=33', '19+99=118'] Exploring Operation: 33*118=3894, Resulting Numbers: [3894] 3894,25 unequal: No Solution Exploring Operation: 118-33=85, Resulting Numbers: [85] 85,25 unequal: No Solution Exploring Operation: 33+118=151, Resulting Numbers: [151] 151,25 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:[75, 19, 57], Operations: ['99-42=57'] Exploring Operation: 75-19=56, Resulting Numbers: [57, 56] Generated Node #0,3,0: 25:[57, 56] Operation: 75-19=56 Exploring Operation: 75-57=18, Resulting Numbers: [19, 18] Generated Node #0,3,1: 25:[19, 18] Operation: 75-57=18 Exploring Operation: 75+19=94, Resulting Numbers: [57, 94] Generated Node #0,3,2: 25:[57, 94] Operation: 75+19=94 Exploring Operation: 57/19=3, Resulting Numbers: [75, 3] Generated Node #0,3,3: 25:[75, 3] Operation: 57/19=3 Exploring Operation: 57-19=38, Resulting Numbers: [75, 38] Generated Node #0,3,4: 25:[75, 38] Operation: 57-19=38 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 25:[19, 18], Operations: ['99-42=57', '75-57=18'] Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,25 unequal: No Solution Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,25 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 #0,3,3 Current State: 25:[75, 3], Operations: ['99-42=57', '57/19=3'] Exploring Operation: 75+3=78, Resulting Numbers: [78] 78,25 unequal: No Solution Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 75*3=225, Resulting Numbers: [225] 225,25 unequal: No Solution Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[75, 19, 42, 99], Operations: [] Exploring Operation: 99-42=57, Resulting Numbers: [75, 19, 57] Generated Node #0,3: 25:[75, 19, 57] Operation: 99-42=57 Moving to Node #0,3 Current State: 25:[75, 19, 57], Operations: ['99-42=57'] Exploring Operation: 57/19=3, Resulting Numbers: [75, 3] Generated Node #0,3,3: 25:[75, 3] Operation: 57/19=3 Moving to Node #0,3,3 Current State: 25:[75, 3], Operations: ['99-42=57', '57/19=3'] Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.947049
hs_5
sum_heuristic
[ 97, 31, 96, 76 ]
57
[ "97+31=128", "96*76=7296", "7296/128=57" ]
Current State: 57:[97, 31, 96, 76], Operations: [] Exploring Operation: 97+31=128, Resulting Numbers: [96, 76, 128] Generated Node #2: [96, 76, 128] from Operation: 97+31=128 Current State: 57:[96, 76, 128], Operations: ['97+31=128'] Exploring Operation: 96*76=7296, Resulting Numbers: [128, 7296] Generated Node #3: [128, 7296] from Operation: 96*76=7296 Current State: 57:[128, 7296], Operations: ['97+31=128', '96*76=7296'] Exploring Operation: 7296/128=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[97, 31, 96, 76], Operations: [] Exploring Operation: 97-96=1, Resulting Numbers: [31, 76, 1] Generated Node #0,0: 57:[31, 76, 1] Operation: 97-96=1 Exploring Operation: 97-76=21, Resulting Numbers: [31, 96, 21] Generated Node #0,1: 57:[31, 96, 21] Operation: 97-76=21 Exploring Operation: 96-76=20, Resulting Numbers: [97, 31, 20] Generated Node #0,2: 57:[97, 31, 20] Operation: 96-76=20 Exploring Operation: 97-31=66, Resulting Numbers: [96, 76, 66] Generated Node #0,3: 57:[96, 76, 66] Operation: 97-31=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[31, 76, 1], Operations: ['97-96=1'] Exploring Operation: 31-1=30, Resulting Numbers: [76, 30] Generated Node #0,0,0: 57:[76, 30] Operation: 31-1=30 Exploring Operation: 76-1=75, Resulting Numbers: [31, 75] Generated Node #0,0,1: 57:[31, 75] Operation: 76-1=75 Exploring Operation: 76-31=45, Resulting Numbers: [1, 45] Generated Node #0,0,2: 57:[1, 45] Operation: 76-31=45 Exploring Operation: 31*1=31, Resulting Numbers: [76, 31] Generated Node #0,0,3: 57:[76, 31] Operation: 31*1=31 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 57:[1, 45], Operations: ['97-96=1', '76-31=45'] Exploring Operation: 1*45=45, Resulting Numbers: [45] 45,57 unequal: No Solution Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,57 unequal: No Solution Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,57 unequal: No Solution Exploring Operation: 1+45=46, Resulting Numbers: [46] 46,57 unequal: No Solution No 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: 57:[76, 30], Operations: ['97-96=1', '31-1=30'] Exploring Operation: 76*30=2280, Resulting Numbers: [2280] 2280,57 unequal: No Solution Exploring Operation: 76+30=106, Resulting Numbers: [106] 106,57 unequal: No Solution Exploring Operation: 76-30=46, Resulting Numbers: [46] 46,57 unequal: No Solution No 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: 57:[31, 75], Operations: ['97-96=1', '76-1=75'] Exploring Operation: 31*75=2325, Resulting Numbers: [2325] 2325,57 unequal: No Solution Exploring Operation: 75-31=44, Resulting Numbers: [44] 44,57 unequal: No Solution Exploring Operation: 31+75=106, Resulting Numbers: [106] 106,57 unequal: No Solution No 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: 57:[76, 31], Operations: ['97-96=1', '31*1=31'] Exploring Operation: 76+31=107, Resulting Numbers: [107] 107,57 unequal: No Solution Exploring Operation: 76*31=2356, Resulting Numbers: [2356] 2356,57 unequal: No Solution Exploring Operation: 76-31=45, Resulting Numbers: [45] 45,57 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: 57:[31, 96, 21], Operations: ['97-76=21'] Exploring Operation: 96-21=75, Resulting Numbers: [31, 75] Generated Node #0,1,0: 57:[31, 75] Operation: 96-21=75 Exploring Operation: 31+21=52, Resulting Numbers: [96, 52] Generated Node #0,1,1: 57:[96, 52] Operation: 31+21=52 Exploring Operation: 96-31=65, Resulting Numbers: [21, 65] Generated Node #0,1,2: 57:[21, 65] Operation: 96-31=65 Exploring Operation: 31-21=10, Resulting Numbers: [96, 10] Generated Node #0,1,3: 57:[96, 10] Operation: 31-21=10 Moving to Node #0,1,2 Current State: 57:[21, 65], Operations: ['97-76=21', '96-31=65'] Exploring Operation: 21+65=86, Resulting Numbers: [86] 86,57 unequal: No Solution Exploring Operation: 21*65=1365, Resulting Numbers: [1365] 1365,57 unequal: No Solution Exploring Operation: 65-21=44, Resulting Numbers: [44] 44,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[31, 75], Operations: ['97-76=21', '96-21=75'] Exploring Operation: 75-31=44, Resulting Numbers: [44] 44,57 unequal: No Solution Exploring Operation: 31*75=2325, Resulting Numbers: [2325] 2325,57 unequal: No Solution Exploring Operation: 31+75=106, Resulting Numbers: [106] 106,57 unequal: No Solution Moving to Node #0,1,1 Current State: 57:[96, 52], Operations: ['97-76=21', '31+21=52'] Exploring Operation: 96-52=44, Resulting Numbers: [44] 44,57 unequal: No Solution Exploring Operation: 96+52=148, Resulting Numbers: [148] 148,57 unequal: No Solution Exploring Operation: 96*52=4992, Resulting Numbers: [4992] 4992,57 unequal: No Solution Moving to Node #0,1,3 Current State: 57:[96, 10], Operations: ['97-76=21', '31-21=10'] Exploring Operation: 96-10=86, Resulting Numbers: [86] 86,57 unequal: No Solution Exploring Operation: 96*10=960, Resulting Numbers: [960] 960,57 unequal: No Solution Exploring Operation: 96+10=106, Resulting Numbers: [106] 106,57 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 #0,2 Current State: 57:[97, 31, 20], Operations: ['96-76=20'] Exploring Operation: 97-20=77, Resulting Numbers: [31, 77] Generated Node #0,2,0: 57:[31, 77] Operation: 97-20=77 Exploring Operation: 31-20=11, Resulting Numbers: [97, 11] Generated Node #0,2,1: 57:[97, 11] Operation: 31-20=11 Exploring Operation: 31+20=51, Resulting Numbers: [97, 51] Generated Node #0,2,2: 57:[97, 51] Operation: 31+20=51 Exploring Operation: 97-31=66, Resulting Numbers: [20, 66] Generated Node #0,2,3: 57:[20, 66] Operation: 97-31=66 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 57:[20, 66], Operations: ['96-76=20', '97-31=66'] Exploring Operation: 20*66=1320, Resulting Numbers: [1320] 1320,57 unequal: No Solution Exploring Operation: 66-20=46, Resulting Numbers: [46] 46,57 unequal: No Solution Exploring Operation: 20+66=86, Resulting Numbers: [86] 86,57 unequal: No Solution No 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: 57:[31, 77], Operations: ['96-76=20', '97-20=77'] Exploring Operation: 77-31=46, Resulting Numbers: [46] 46,57 unequal: No Solution Exploring Operation: 31+77=108, Resulting Numbers: [108] 108,57 unequal: No Solution Exploring Operation: 31*77=2387, Resulting Numbers: [2387] 2387,57 unequal: No Solution No 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: 57:[97, 51], Operations: ['96-76=20', '31+20=51'] Exploring Operation: 97-51=46, Resulting Numbers: [46] 46,57 unequal: No Solution Exploring Operation: 97+51=148, Resulting Numbers: [148] 148,57 unequal: No Solution Exploring Operation: 97*51=4947, Resulting Numbers: [4947] 4947,57 unequal: No Solution No 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: 57:[97, 11], Operations: ['96-76=20', '31-20=11'] Exploring Operation: 97*11=1067, Resulting Numbers: [1067] 1067,57 unequal: No Solution Exploring Operation: 97+11=108, Resulting Numbers: [108] 108,57 unequal: No Solution Exploring Operation: 97-11=86, Resulting Numbers: [86] 86,57 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: 57:[96, 76, 66], Operations: ['97-31=66'] Exploring Operation: 76-66=10, Resulting Numbers: [96, 10] Generated Node #0,3,0: 57:[96, 10] Operation: 76-66=10 Exploring Operation: 96-66=30, Resulting Numbers: [76, 30] Generated Node #0,3,1: 57:[76, 30] Operation: 96-66=30 Exploring Operation: 96+76=172, Resulting Numbers: [66, 172] Generated Node #0,3,2: 57:[66, 172] Operation: 96+76=172 Exploring Operation: 96-76=20, Resulting Numbers: [66, 20] Generated Node #0,3,3: 57:[66, 20] Operation: 96-76=20 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 57:[66, 20], Operations: ['97-31=66', '96-76=20'] Exploring Operation: 66-20=46, Resulting Numbers: [46] 46,57 unequal: No Solution Exploring Operation: 66*20=1320, Resulting Numbers: [1320] 1320,57 unequal: No Solution Exploring Operation: 66+20=86, Resulting Numbers: [86] 86,57 unequal: No Solution No 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: 57:[76, 30], Operations: ['97-31=66', '96-66=30'] Exploring Operation: 76+30=106, Resulting Numbers: [106] 106,57 unequal: No Solution Exploring Operation: 76*30=2280, Resulting Numbers: [2280] 2280,57 unequal: No Solution Exploring Operation: 76-30=46, Resulting Numbers: [46] 46,57 unequal: No Solution No 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: 57:[96, 10], Operations: ['97-31=66', '76-66=10'] Exploring Operation: 96*10=960, Resulting Numbers: [960] 960,57 unequal: No Solution Exploring Operation: 96-10=86, Resulting Numbers: [86] 86,57 unequal: No Solution Exploring Operation: 96+10=106, Resulting Numbers: [106] 106,57 unequal: No Solution No 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: 57:[66, 172], Operations: ['97-31=66', '96+76=172'] Exploring Operation: 172-66=106, Resulting Numbers: [106] 106,57 unequal: No Solution Exploring Operation: 66*172=11352, Resulting Numbers: [11352] 11352,57 unequal: No Solution Exploring Operation: 66+172=238, Resulting Numbers: [238] 238,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 17, 77, 54, 79 ]
85
[ "77-17=60", "79-54=25", "60+25=85" ]
Current State: 85:[17, 77, 54, 79], Operations: [] Exploring Operation: 77-17=60, Resulting Numbers: [54, 79, 60] Generated Node #2: [54, 79, 60] from Operation: 77-17=60 Current State: 85:[54, 79, 60], Operations: ['77-17=60'] Exploring Operation: 79-54=25, Resulting Numbers: [60, 25] Generated Node #3: [60, 25] from Operation: 79-54=25 Current State: 85:[60, 25], Operations: ['77-17=60', '79-54=25'] Exploring Operation: 60+25=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[17, 77, 54, 79], Operations: [] Exploring Operation: 17+54=71, Resulting Numbers: [77, 79, 71] Generated Node #0,0: 85:[77, 79, 71] Operation: 17+54=71 Exploring Operation: 77-54=23, Resulting Numbers: [17, 79, 23] Generated Node #0,1: 85:[17, 79, 23] Operation: 77-54=23 Exploring Operation: 79-77=2, Resulting Numbers: [17, 54, 2] Generated Node #0,2: 85:[17, 54, 2] Operation: 79-77=2 Exploring Operation: 79-54=25, Resulting Numbers: [17, 77, 25] Generated Node #0,3: 85:[17, 77, 25] Operation: 79-54=25 Exploring Operation: 54-17=37, Resulting Numbers: [77, 79, 37] Generated Node #0,4: 85:[77, 79, 37] Operation: 54-17=37 Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[17, 79, 23], Operations: ['77-54=23'] Exploring Operation: 79-17=62, Resulting Numbers: [23, 62] Generated Node #0,1,0: 85:[23, 62] Operation: 79-17=62 Exploring Operation: 79+23=102, Resulting Numbers: [17, 102] Generated Node #0,1,1: 85:[17, 102] Operation: 79+23=102 Exploring Operation: 17+79=96, Resulting Numbers: [23, 96] Generated Node #0,1,2: 85:[23, 96] Operation: 17+79=96 Exploring Operation: 17+23=40, Resulting Numbers: [79, 40] Generated Node #0,1,3: 85:[79, 40] Operation: 17+23=40 Exploring Operation: 23-17=6, Resulting Numbers: [79, 6] Generated Node #0,1,4: 85:[79, 6] Operation: 23-17=6 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 85:[79, 6], Operations: ['77-54=23', '23-17=6'] Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,85 unequal: No Solution Exploring Operation: 79+6=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[17, 77, 54, 79], Operations: [] Exploring Operation: 77-54=23, Resulting Numbers: [17, 79, 23] Generated Node #0,1: 85:[17, 79, 23] Operation: 77-54=23 Moving to Node #0,1 Current State: 85:[17, 79, 23], Operations: ['77-54=23'] Exploring Operation: 23-17=6, Resulting Numbers: [79, 6] Generated Node #0,1,4: 85:[79, 6] Operation: 23-17=6 Moving to Node #0,1,4 Current State: 85:[79, 6], Operations: ['77-54=23', '23-17=6'] Exploring Operation: 79+6=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 50, 12, 75, 51 ]
26
[ "51-12=39", "50*39=1950", "1950/75=26" ]
Current State: 26:[50, 12, 75, 51], Operations: [] Exploring Operation: 51-12=39, Resulting Numbers: [50, 75, 39] Generated Node #2: [50, 75, 39] from Operation: 51-12=39 Current State: 26:[50, 75, 39], Operations: ['51-12=39'] Exploring Operation: 50*39=1950, Resulting Numbers: [75, 1950] Generated Node #3: [75, 1950] from Operation: 50*39=1950 Current State: 26:[75, 1950], Operations: ['51-12=39', '50*39=1950'] Exploring Operation: 1950/75=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[50, 12, 75, 51], Operations: [] Exploring Operation: 75-50=25, Resulting Numbers: [12, 51, 25] Generated Node #0,0: 26:[12, 51, 25] Operation: 75-50=25 Exploring Operation: 75-51=24, Resulting Numbers: [50, 12, 24] Generated Node #0,1: 26:[50, 12, 24] Operation: 75-51=24 Moving to Node #0,0 Current State: 26:[12, 51, 25], Operations: ['75-50=25'] Exploring Operation: 51-25=26, Resulting Numbers: [12, 26] Generated Node #0,0,0: 26:[12, 26] Operation: 51-25=26 Exploring Operation: 51-12=39, Resulting Numbers: [25, 39] Generated Node #0,0,1: 26:[25, 39] Operation: 51-12=39 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[12, 26], Operations: ['75-50=25', '51-25=26'] Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,26 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 26:[25, 39], Operations: ['75-50=25', '51-12=39'] Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 25+39=64, Resulting Numbers: [64] 64,26 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: 26:[50, 12, 24], Operations: ['75-51=24'] Exploring Operation: 50-12=38, Resulting Numbers: [24, 38] Generated Node #0,1,0: 26:[24, 38] Operation: 50-12=38 Exploring Operation: 50-24=26, Resulting Numbers: [12, 26] Generated Node #0,1,1: 26:[12, 26] Operation: 50-24=26 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[12, 26], Operations: ['75-51=24', '50-24=26'] Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,26 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[24, 38], Operations: ['75-51=24', '50-12=38'] Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,26 unequal: No Solution Exploring Operation: 24+38=62, Resulting Numbers: [62] 62,26 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
[ 22, 90, 80, 66 ]
78
[ "90-22=68", "80+66=146", "146-68=78" ]
Current State: 78:[22, 90, 80, 66], Operations: [] Exploring Operation: 90-22=68, Resulting Numbers: [80, 66, 68] Generated Node #2: [80, 66, 68] from Operation: 90-22=68 Current State: 78:[80, 66, 68], Operations: ['90-22=68'] Exploring Operation: 80+66=146, Resulting Numbers: [68, 146] Generated Node #3: [68, 146] from Operation: 80+66=146 Current State: 78:[68, 146], Operations: ['90-22=68', '80+66=146'] Exploring Operation: 146-68=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[22, 90, 80, 66], Operations: [] Exploring Operation: 90-66=24, Resulting Numbers: [22, 80, 24] Generated Node #0,0: 78:[22, 80, 24] Operation: 90-66=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[22, 80, 24], Operations: ['90-66=24'] Exploring Operation: 24-22=2, Resulting Numbers: [80, 2] Generated Node #0,0,0: 78:[80, 2] Operation: 24-22=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[80, 2], Operations: ['90-66=24', '24-22=2'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[22, 90, 80, 66], Operations: [] Exploring Operation: 90-66=24, Resulting Numbers: [22, 80, 24] Generated Node #0,0: 78:[22, 80, 24] Operation: 90-66=24 Moving to Node #0,0 Current State: 78:[22, 80, 24], Operations: ['90-66=24'] Exploring Operation: 24-22=2, Resulting Numbers: [80, 2] Generated Node #0,0,0: 78:[80, 2] Operation: 24-22=2 Moving to Node #0,0,0 Current State: 78:[80, 2], Operations: ['90-66=24', '24-22=2'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 46, 32, 52, 59 ]
36
[ "59-46=13", "52/13=4", "32+4=36" ]
Current State: 36:[46, 32, 52, 59], Operations: [] Exploring Operation: 59-46=13, Resulting Numbers: [32, 52, 13] Generated Node #2: [32, 52, 13] from Operation: 59-46=13 Current State: 36:[32, 52, 13], Operations: ['59-46=13'] Exploring Operation: 52/13=4, Resulting Numbers: [32, 4] Generated Node #3: [32, 4] from Operation: 52/13=4 Current State: 36:[32, 4], Operations: ['59-46=13', '52/13=4'] Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[46, 32, 52, 59], Operations: [] Exploring Operation: 59-52=7, Resulting Numbers: [46, 32, 7] Generated Node #0,0: 36:[46, 32, 7] Operation: 59-52=7 Exploring Operation: 59-46=13, Resulting Numbers: [32, 52, 13] Generated Node #0,1: 36:[32, 52, 13] Operation: 59-46=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[46, 32, 7], Operations: ['59-52=7'] Exploring Operation: 46-7=39, Resulting Numbers: [32, 39] Generated Node #0,0,0: 36:[32, 39] Operation: 46-7=39 Exploring Operation: 46-32=14, Resulting Numbers: [7, 14] Generated Node #0,0,1: 36:[7, 14] Operation: 46-32=14 Moving to Node #0,0,1 Current State: 36:[7, 14], Operations: ['59-52=7', '46-32=14'] Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,36 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,36 unequal: No Solution Moving to Node #0,0,0 Current State: 36:[32, 39], Operations: ['59-52=7', '46-7=39'] Exploring Operation: 32+39=71, Resulting Numbers: [71] 71,36 unequal: No Solution Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,36 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 #0,1 Current State: 36:[32, 52, 13], Operations: ['59-46=13'] Exploring Operation: 52-32=20, Resulting Numbers: [13, 20] Generated Node #0,1,0: 36:[13, 20] Operation: 52-32=20 Exploring Operation: 52/13=4, Resulting Numbers: [32, 4] Generated Node #0,1,1: 36:[32, 4] Operation: 52/13=4 Moving to Node #0,1,0 Current State: 36:[13, 20], Operations: ['59-46=13', '52-32=20'] Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,36 unequal: No Solution Exploring Operation: 13+20=33, Resulting Numbers: [33] 33,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[32, 4], Operations: ['59-46=13', '52/13=4'] Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[46, 32, 52, 59], Operations: [] Exploring Operation: 59-46=13, Resulting Numbers: [32, 52, 13] Generated Node #0,1: 36:[32, 52, 13] Operation: 59-46=13 Moving to Node #0,1 Current State: 36:[32, 52, 13], Operations: ['59-46=13'] Exploring Operation: 52/13=4, Resulting Numbers: [32, 4] Generated Node #0,1,1: 36:[32, 4] Operation: 52/13=4 Moving to Node #0,1,1 Current State: 36:[32, 4], Operations: ['59-46=13', '52/13=4'] Exploring Operation: 32+4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_2
mult_heuristic
[ 69, 30, 19, 38 ]
80
[ "69+30=99", "38-19=19", "99-19=80" ]
Current State: 80:[69, 30, 19, 38], Operations: [] Exploring Operation: 69+30=99, Resulting Numbers: [19, 38, 99] Generated Node #2: [19, 38, 99] from Operation: 69+30=99 Current State: 80:[19, 38, 99], Operations: ['69+30=99'] Exploring Operation: 38-19=19, Resulting Numbers: [99, 19] Generated Node #3: [99, 19] from Operation: 38-19=19 Current State: 80:[99, 19], Operations: ['69+30=99', '38-19=19'] Exploring Operation: 99-19=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[69, 30, 19, 38], Operations: [] Exploring Operation: 38-30=8, Resulting Numbers: [69, 19, 8] Generated Node #0,0: 80:[69, 19, 8] Operation: 38-30=8 Exploring Operation: 69+19=88, Resulting Numbers: [30, 38, 88] Generated Node #0,1: 80:[30, 38, 88] Operation: 69+19=88 Exploring Operation: 30-19=11, Resulting Numbers: [69, 38, 11] Generated Node #0,2: 80:[69, 38, 11] Operation: 30-19=11 Exploring Operation: 69-38=31, Resulting Numbers: [30, 19, 31] Generated Node #0,3: 80:[30, 19, 31] Operation: 69-38=31 Exploring Operation: 69-30=39, Resulting Numbers: [19, 38, 39] Generated Node #0,4: 80:[19, 38, 39] Operation: 69-30=39 Moving to Node #0,4 Current State: 80:[19, 38, 39], Operations: ['69-30=39'] Exploring Operation: 38+39=77, Resulting Numbers: [19, 77] Generated Node #0,4,0: 80:[19, 77] Operation: 38+39=77 Exploring Operation: 38/19=2, Resulting Numbers: [39, 2] Generated Node #0,4,1: 80:[39, 2] Operation: 38/19=2 Exploring Operation: 39-38=1, Resulting Numbers: [19, 1] Generated Node #0,4,2: 80:[19, 1] Operation: 39-38=1 Exploring Operation: 38-19=19, Resulting Numbers: [39, 19] Generated Node #0,4,3: 80:[39, 19] Operation: 38-19=19 Exploring Operation: 39-19=20, Resulting Numbers: [38, 20] Generated Node #0,4,4: 80:[38, 20] Operation: 39-19=20 Moving to Node #0,0 Current State: 80:[69, 19, 8], Operations: ['38-30=8'] Exploring Operation: 69+19=88, Resulting Numbers: [8, 88] Generated Node #0,0,0: 80:[8, 88] Operation: 69+19=88 Exploring Operation: 19-8=11, Resulting Numbers: [69, 11] Generated Node #0,0,1: 80:[69, 11] Operation: 19-8=11 Exploring Operation: 69+8=77, Resulting Numbers: [19, 77] Generated Node #0,0,2: 80:[19, 77] Operation: 69+8=77 Exploring Operation: 19+8=27, Resulting Numbers: [69, 27] Generated Node #0,0,3: 80:[69, 27] Operation: 19+8=27 Exploring Operation: 69-19=50, Resulting Numbers: [8, 50] Generated Node #0,0,4: 80:[8, 50] Operation: 69-19=50 Moving to Node #0,2 Current State: 80:[69, 38, 11], Operations: ['30-19=11'] Exploring Operation: 69-11=58, Resulting Numbers: [38, 58] Generated Node #0,2,0: 80:[38, 58] Operation: 69-11=58 Exploring Operation: 38+11=49, Resulting Numbers: [69, 49] Generated Node #0,2,1: 80:[69, 49] Operation: 38+11=49 Exploring Operation: 69+11=80, Resulting Numbers: [38, 80] Generated Node #0,2,2: 80:[38, 80] Operation: 69+11=80 Exploring Operation: 38-11=27, Resulting Numbers: [69, 27] Generated Node #0,2,3: 80:[69, 27] Operation: 38-11=27 Exploring Operation: 69-38=31, Resulting Numbers: [11, 31] Generated Node #0,2,4: 80:[11, 31] Operation: 69-38=31 Moving to Node #0,1 Current State: 80:[30, 38, 88], Operations: ['69+19=88'] Exploring Operation: 30+88=118, Resulting Numbers: [38, 118] Generated Node #0,1,0: 80:[38, 118] Operation: 30+88=118 Exploring Operation: 38-30=8, Resulting Numbers: [88, 8] Generated Node #0,1,1: 80:[88, 8] Operation: 38-30=8 Exploring Operation: 88-30=58, Resulting Numbers: [38, 58] Generated Node #0,1,2: 80:[38, 58] Operation: 88-30=58 Exploring Operation: 30+38=68, Resulting Numbers: [88, 68] Generated Node #0,1,3: 80:[88, 68] Operation: 30+38=68 Exploring Operation: 88-38=50, Resulting Numbers: [30, 50] Generated Node #0,1,4: 80:[30, 50] Operation: 88-38=50 Moving to Node #0,3 Current State: 80:[30, 19, 31], Operations: ['69-38=31'] Exploring Operation: 31-30=1, Resulting Numbers: [19, 1] Generated Node #0,3,0: 80:[19, 1] Operation: 31-30=1 Exploring Operation: 30+19=49, Resulting Numbers: [31, 49] Generated Node #0,3,1: 80:[31, 49] Operation: 30+19=49 Exploring Operation: 31-19=12, Resulting Numbers: [30, 12] Generated Node #0,3,2: 80:[30, 12] Operation: 31-19=12 Exploring Operation: 30-19=11, Resulting Numbers: [31, 11] Generated Node #0,3,3: 80:[31, 11] Operation: 30-19=11 Exploring Operation: 30+31=61, Resulting Numbers: [19, 61] Generated Node #0,3,4: 80:[19, 61] Operation: 30+31=61 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 80:[19, 1], Operations: ['69-38=31', '31-30=1'] Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,80 unequal: No Solution Exploring Operation: 19+1=20, Resulting Numbers: [20] 20,80 unequal: No Solution Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,80 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 80:[31, 11], Operations: ['69-38=31', '30-19=11'] Exploring Operation: 31+11=42, Resulting Numbers: [42] 42,80 unequal: No Solution Exploring Operation: 31*11=341, Resulting Numbers: [341] 341,80 unequal: No Solution Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 80:[30, 12], Operations: ['69-38=31', '31-19=12'] Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,80 unequal: No Solution Exploring Operation: 30+12=42, Resulting Numbers: [42] 42,80 unequal: No Solution Exploring Operation: 30*12=360, Resulting Numbers: [360] 360,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 80:[31, 49], Operations: ['69-38=31', '30+19=49'] Exploring Operation: 31*49=1519, Resulting Numbers: [1519] 1519,80 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,80 unequal: No Solution Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[69, 30, 19, 38], Operations: [] Exploring Operation: 69-38=31, Resulting Numbers: [30, 19, 31] Generated Node #0,3: 80:[30, 19, 31] Operation: 69-38=31 Moving to Node #0,3 Current State: 80:[30, 19, 31], Operations: ['69-38=31'] Exploring Operation: 30+19=49, Resulting Numbers: [31, 49] Generated Node #0,3,1: 80:[31, 49] Operation: 30+19=49 Moving to Node #0,3,1 Current State: 80:[31, 49], Operations: ['69-38=31', '30+19=49'] Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_5
mult_heuristic
[ 91, 93, 89, 96 ]
94
[ "93+89=182", "182/91=2", "96-2=94" ]
Current State: 94:[91, 93, 89, 96], Operations: [] Exploring Operation: 93+89=182, Resulting Numbers: [91, 96, 182] Generated Node #2: [91, 96, 182] from Operation: 93+89=182 Current State: 94:[91, 96, 182], Operations: ['93+89=182'] Exploring Operation: 182/91=2, Resulting Numbers: [96, 2] Generated Node #3: [96, 2] from Operation: 182/91=2 Current State: 94:[96, 2], Operations: ['93+89=182', '182/91=2'] Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[91, 93, 89, 96], Operations: [] Exploring Operation: 91-89=2, Resulting Numbers: [93, 96, 2] Generated Node #0,0: 94:[93, 96, 2] Operation: 91-89=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[93, 96, 2], Operations: ['91-89=2'] Exploring Operation: 96-93=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 94:[2, 3] Operation: 96-93=3 Moving to Node #0,0,0 Current State: 94:[2, 3], Operations: ['91-89=2', '96-93=3'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,94 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
[ 12, 30, 69, 71 ]
16
[ "30-12=18", "71-69=2", "18-2=16" ]
Current State: 16:[12, 30, 69, 71], Operations: [] Exploring Operation: 30-12=18, Resulting Numbers: [69, 71, 18] Generated Node #2: [69, 71, 18] from Operation: 30-12=18 Current State: 16:[69, 71, 18], Operations: ['30-12=18'] Exploring Operation: 71-69=2, Resulting Numbers: [18, 2] Generated Node #3: [18, 2] from Operation: 71-69=2 Current State: 16:[18, 2], Operations: ['30-12=18', '71-69=2'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[12, 30, 69, 71], Operations: [] Exploring Operation: 69-30=39, Resulting Numbers: [12, 71, 39] Generated Node #0,0: 16:[12, 71, 39] Operation: 69-30=39 Exploring Operation: 30-12=18, Resulting Numbers: [69, 71, 18] Generated Node #0,1: 16:[69, 71, 18] Operation: 30-12=18 Exploring Operation: 71-30=41, Resulting Numbers: [12, 69, 41] Generated Node #0,2: 16:[12, 69, 41] Operation: 71-30=41 Exploring Operation: 71-69=2, Resulting Numbers: [12, 30, 2] Generated Node #0,3: 16:[12, 30, 2] Operation: 71-69=2 Moving to Node #0,3 Current State: 16:[12, 30, 2], Operations: ['71-69=2'] Exploring Operation: 12-2=10, Resulting Numbers: [30, 10] Generated Node #0,3,0: 16:[30, 10] Operation: 12-2=10 Exploring Operation: 12+2=14, Resulting Numbers: [30, 14] Generated Node #0,3,1: 16:[30, 14] Operation: 12+2=14 Exploring Operation: 30-12=18, Resulting Numbers: [2, 18] Generated Node #0,3,2: 16:[2, 18] Operation: 30-12=18 Exploring Operation: 30/2=15, Resulting Numbers: [12, 15] Generated Node #0,3,3: 16:[12, 15] Operation: 30/2=15 Moving to Node #0,2 Current State: 16:[12, 69, 41], Operations: ['71-30=41'] Exploring Operation: 69-41=28, Resulting Numbers: [12, 28] Generated Node #0,2,0: 16:[12, 28] Operation: 69-41=28 Exploring Operation: 12+69=81, Resulting Numbers: [41, 81] Generated Node #0,2,1: 16:[41, 81] Operation: 12+69=81 Exploring Operation: 41-12=29, Resulting Numbers: [69, 29] Generated Node #0,2,2: 16:[69, 29] Operation: 41-12=29 Exploring Operation: 69-12=57, Resulting Numbers: [41, 57] Generated Node #0,2,3: 16:[41, 57] Operation: 69-12=57 Moving to Node #0,0 Current State: 16:[12, 71, 39], Operations: ['69-30=39'] Exploring Operation: 71-39=32, Resulting Numbers: [12, 32] Generated Node #0,0,0: 16:[12, 32] Operation: 71-39=32 Exploring Operation: 12+71=83, Resulting Numbers: [39, 83] Generated Node #0,0,1: 16:[39, 83] Operation: 12+71=83 Exploring Operation: 39-12=27, Resulting Numbers: [71, 27] Generated Node #0,0,2: 16:[71, 27] Operation: 39-12=27 Exploring Operation: 71-12=59, Resulting Numbers: [39, 59] Generated Node #0,0,3: 16:[39, 59] Operation: 71-12=59 Moving to Node #0,1 Current State: 16:[69, 71, 18], Operations: ['30-12=18'] Exploring Operation: 69+71=140, Resulting Numbers: [18, 140] Generated Node #0,1,0: 16:[18, 140] Operation: 69+71=140 Exploring Operation: 71-69=2, Resulting Numbers: [18, 2] Generated Node #0,1,1: 16:[18, 2] Operation: 71-69=2 Exploring Operation: 69-18=51, Resulting Numbers: [71, 51] Generated Node #0,1,2: 16:[71, 51] Operation: 69-18=51 Exploring Operation: 71-18=53, Resulting Numbers: [69, 53] Generated Node #0,1,3: 16:[69, 53] Operation: 71-18=53 Moving to Node #0,3,2 Current State: 16:[2, 18], Operations: ['71-69=2', '30-12=18'] Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,16 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[12, 30, 69, 71], Operations: [] Exploring Operation: 71-69=2, Resulting Numbers: [12, 30, 2] Generated Node #0,3: 16:[12, 30, 2] Operation: 71-69=2 Moving to Node #0,3 Current State: 16:[12, 30, 2], Operations: ['71-69=2'] Exploring Operation: 30-12=18, Resulting Numbers: [2, 18] Generated Node #0,3,2: 16:[2, 18] Operation: 30-12=18 Moving to Node #0,3,2 Current State: 16:[2, 18], Operations: ['71-69=2', '30-12=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
0.976563
hs_4
sum_heuristic
[ 48, 58, 2, 48 ]
36
[ "58-48=10", "48-2=46", "46-10=36" ]
Current State: 36:[48, 58, 2, 48], Operations: [] Exploring Operation: 58-48=10, Resulting Numbers: [2, 10] Generated Node #2: [2, 10] from Operation: 58-48=10 Current State: 36:[2, 10], Operations: ['58-48=10'] Exploring Operation: 48-2=46, Resulting Numbers: [10, 46] Generated Node #3: [10, 46] from Operation: 48-2=46 Current State: 36:[10, 46], Operations: ['58-48=10', '48-2=46'] Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[48, 58, 2, 48], Operations: [] Exploring Operation: 58-48=10, Resulting Numbers: [2, 48, 10] Generated Node #0,0: 36:[2, 48, 10] Operation: 58-48=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[2, 48, 10], Operations: ['58-48=10'] Exploring Operation: 48-10=38, Resulting Numbers: [2, 38] Generated Node #0,0,0: 36:[2, 38] Operation: 48-10=38 Moving to Node #0,0,0 Current State: 36:[2, 38], Operations: ['58-48=10', '48-10=38'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[48, 58, 2, 48], Operations: [] Exploring Operation: 58-48=10, Resulting Numbers: [2, 48, 10] Generated Node #0,0: 36:[2, 48, 10] Operation: 58-48=10 Moving to Node #0,0 Current State: 36:[2, 48, 10], Operations: ['58-48=10'] Exploring Operation: 48-10=38, Resulting Numbers: [2, 38] Generated Node #0,0,0: 36:[2, 38] Operation: 48-10=38 Moving to Node #0,0,0 Current State: 36:[2, 38], Operations: ['58-48=10', '48-10=38'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 90, 7, 70, 68 ]
81
[ "90-7=83", "70-68=2", "83-2=81" ]
Current State: 81:[90, 7, 70, 68], Operations: [] Exploring Operation: 90-7=83, Resulting Numbers: [70, 68, 83] Generated Node #2: [70, 68, 83] from Operation: 90-7=83 Current State: 81:[70, 68, 83], Operations: ['90-7=83'] Exploring Operation: 70-68=2, Resulting Numbers: [83, 2] Generated Node #3: [83, 2] from Operation: 70-68=2 Current State: 81:[83, 2], Operations: ['90-7=83', '70-68=2'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[90, 7, 70, 68], Operations: [] Exploring Operation: 90-70=20, Resulting Numbers: [7, 68, 20] Generated Node #0,0: 81:[7, 68, 20] Operation: 90-70=20 Exploring Operation: 70-68=2, Resulting Numbers: [90, 7, 2] Generated Node #0,1: 81:[90, 7, 2] Operation: 70-68=2 Exploring Operation: 90-68=22, Resulting Numbers: [7, 70, 22] Generated Node #0,2: 81:[7, 70, 22] Operation: 90-68=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[90, 7, 2], Operations: ['70-68=2'] Exploring Operation: 7+2=9, Resulting Numbers: [90, 9] Generated Node #0,1,0: 81:[90, 9] Operation: 7+2=9 Exploring Operation: 90-7=83, Resulting Numbers: [2, 83] Generated Node #0,1,1: 81:[2, 83] Operation: 90-7=83 Exploring Operation: 90-2=88, Resulting Numbers: [7, 88] Generated Node #0,1,2: 81:[7, 88] Operation: 90-2=88 Moving to Node #0,1,1 Current State: 81:[2, 83], Operations: ['70-68=2', '90-7=83'] Exploring Operation: 2*83=166, Resulting Numbers: [166] 166,81 unequal: No Solution Exploring Operation: 2+83=85, Resulting Numbers: [85] 85,81 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[90, 7, 70, 68], Operations: [] Exploring Operation: 70-68=2, Resulting Numbers: [90, 7, 2] Generated Node #0,1: 81:[90, 7, 2] Operation: 70-68=2 Moving to Node #0,1 Current State: 81:[90, 7, 2], Operations: ['70-68=2'] Exploring Operation: 90-7=83, Resulting Numbers: [2, 83] Generated Node #0,1,1: 81:[2, 83] Operation: 90-7=83 Moving to Node #0,1,1 Current State: 81:[2, 83], Operations: ['70-68=2', '90-7=83'] Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 38, 34, 88, 15 ]
37
[ "38-34=4", "88/4=22", "15+22=37" ]
Current State: 37:[38, 34, 88, 15], Operations: [] Exploring Operation: 38-34=4, Resulting Numbers: [88, 15, 4] Generated Node #2: [88, 15, 4] from Operation: 38-34=4 Current State: 37:[88, 15, 4], Operations: ['38-34=4'] Exploring Operation: 88/4=22, Resulting Numbers: [15, 22] Generated Node #3: [15, 22] from Operation: 88/4=22 Current State: 37:[15, 22], Operations: ['38-34=4', '88/4=22'] Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[38, 34, 88, 15], Operations: [] Exploring Operation: 88-15=73, Resulting Numbers: [38, 34, 73] Generated Node #0,0: 37:[38, 34, 73] Operation: 88-15=73 Exploring Operation: 88-34=54, Resulting Numbers: [38, 15, 54] Generated Node #0,1: 37:[38, 15, 54] Operation: 88-34=54 Exploring Operation: 88-38=50, Resulting Numbers: [34, 15, 50] Generated Node #0,2: 37:[34, 15, 50] Operation: 88-38=50 Moving to Node #0,2 Current State: 37:[34, 15, 50], Operations: ['88-38=50'] Exploring Operation: 34+15=49, Resulting Numbers: [50, 49] Generated Node #0,2,0: 37:[50, 49] Operation: 34+15=49 Exploring Operation: 34-15=19, Resulting Numbers: [50, 19] Generated Node #0,2,1: 37:[50, 19] Operation: 34-15=19 Exploring Operation: 50-15=35, Resulting Numbers: [34, 35] Generated Node #0,2,2: 37:[34, 35] Operation: 50-15=35 Moving to Node #0,0 Current State: 37:[38, 34, 73], Operations: ['88-15=73'] Exploring Operation: 73-38=35, Resulting Numbers: [34, 35] Generated Node #0,0,0: 37:[34, 35] Operation: 73-38=35 Exploring Operation: 38-34=4, Resulting Numbers: [73, 4] Generated Node #0,0,1: 37:[73, 4] Operation: 38-34=4 Exploring Operation: 73-34=39, Resulting Numbers: [38, 39] Generated Node #0,0,2: 37:[38, 39] Operation: 73-34=39 Moving to Node #0,1 Current State: 37:[38, 15, 54], Operations: ['88-34=54'] Exploring Operation: 38-15=23, Resulting Numbers: [54, 23] Generated Node #0,1,0: 37:[54, 23] Operation: 38-15=23 Exploring Operation: 54-15=39, Resulting Numbers: [38, 39] Generated Node #0,1,1: 37:[38, 39] Operation: 54-15=39 Exploring Operation: 38+15=53, Resulting Numbers: [54, 53] Generated Node #0,1,2: 37:[54, 53] Operation: 38+15=53 Moving to Node #0,0,2 Current State: 37:[38, 39], Operations: ['88-15=73', '73-34=39'] Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 38+39=77, Resulting Numbers: [77] 77,37 unequal: No Solution Exploring Operation: 38*39=1482, Resulting Numbers: [1482] 1482,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[38, 39], Operations: ['88-34=54', '54-15=39'] Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 38+39=77, Resulting Numbers: [77] 77,37 unequal: No Solution Exploring Operation: 38*39=1482, Resulting Numbers: [1482] 1482,37 unequal: No Solution Moving to Node #0,2,2 Current State: 37:[34, 35], Operations: ['88-38=50', '50-15=35'] Exploring Operation: 35-34=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 34+35=69, Resulting Numbers: [69] 69,37 unequal: No Solution Exploring Operation: 34*35=1190, Resulting Numbers: [1190] 1190,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[34, 35], Operations: ['88-15=73', '73-38=35'] Exploring Operation: 34*35=1190, Resulting Numbers: [1190] 1190,37 unequal: No Solution Exploring Operation: 34+35=69, Resulting Numbers: [69] 69,37 unequal: No Solution Exploring Operation: 35-34=1, Resulting Numbers: [1] 1,37 unequal: No Solution Moving to Node #0,2,0 Current State: 37:[50, 49], Operations: ['88-38=50', '34+15=49'] Exploring Operation: 50-49=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 50+49=99, Resulting Numbers: [99] 99,37 unequal: No Solution Exploring Operation: 50*49=2450, Resulting Numbers: [2450] 2450,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[50, 19], Operations: ['88-38=50', '34-15=19'] Exploring Operation: 50+19=69, Resulting Numbers: [69] 69,37 unequal: No Solution Exploring Operation: 50*19=950, Resulting Numbers: [950] 950,37 unequal: No Solution Exploring Operation: 50-19=31, Resulting Numbers: [31] 31,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[54, 23], Operations: ['88-34=54', '38-15=23'] Exploring Operation: 54+23=77, Resulting Numbers: [77] 77,37 unequal: No Solution Exploring Operation: 54-23=31, Resulting Numbers: [31] 31,37 unequal: No Solution Exploring Operation: 54*23=1242, Resulting Numbers: [1242] 1242,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[54, 53], Operations: ['88-34=54', '38+15=53'] Exploring Operation: 54+53=107, Resulting Numbers: [107] 107,37 unequal: No Solution Exploring Operation: 54-53=1, Resulting Numbers: [1] 1,37 unequal: No Solution Exploring Operation: 54*53=2862, Resulting Numbers: [2862] 2862,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[73, 4], Operations: ['88-15=73', '38-34=4'] Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,37 unequal: No Solution Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,37 unequal: No Solution Exploring Operation: 73*4=292, Resulting Numbers: [292] 292,37 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 96, 95, 72, 24 ]
93
[ "72-24=48", "96/48=2", "95-2=93" ]
Current State: 93:[96, 95, 72, 24], Operations: [] Exploring Operation: 72-24=48, Resulting Numbers: [96, 95, 48] Generated Node #2: [96, 95, 48] from Operation: 72-24=48 Current State: 93:[96, 95, 48], Operations: ['72-24=48'] Exploring Operation: 96/48=2, Resulting Numbers: [95, 2] Generated Node #3: [95, 2] from Operation: 96/48=2 Current State: 93:[95, 2], Operations: ['72-24=48', '96/48=2'] Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[96, 95, 72, 24], Operations: [] Exploring Operation: 72/24=3, Resulting Numbers: [96, 95, 3] Generated Node #0,0: 93:[96, 95, 3] Operation: 72/24=3 Exploring Operation: 96-72=24, Resulting Numbers: [95, 24, 24] Generated Node #0,1: 93:[95, 24, 24] Operation: 96-72=24 Exploring Operation: 72+24=96, Resulting Numbers: [96, 95, 96] Generated Node #0,2: 93:[96, 95, 96] Operation: 72+24=96 Moving to Node #0,0 Current State: 93:[96, 95, 3], Operations: ['72/24=3'] Exploring Operation: 96-95=1, Resulting Numbers: [3, 1] Generated Node #0,0,0: 93:[3, 1] Operation: 96-95=1 Exploring Operation: 96/3=32, Resulting Numbers: [95, 32] Generated Node #0,0,1: 93:[95, 32] Operation: 96/3=32 Exploring Operation: 96-3=93, Resulting Numbers: [95, 93] Generated Node #0,0,2: 93:[95, 93] Operation: 96-3=93 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[3, 1], Operations: ['72/24=3', '96-95=1'] Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,93 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:[95, 93], Operations: ['72/24=3', '96-3=93'] Exploring Operation: 95+93=188, Resulting Numbers: [188] 188,93 unequal: No Solution Exploring Operation: 95*93=8835, Resulting Numbers: [8835] 8835,93 unequal: No Solution Exploring Operation: 95-93=2, Resulting Numbers: [2] 2,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[95, 32], Operations: ['72/24=3', '96/3=32'] Exploring Operation: 95-32=63, Resulting Numbers: [63] 63,93 unequal: No Solution Exploring Operation: 95*32=3040, Resulting Numbers: [3040] 3040,93 unequal: No Solution Exploring Operation: 95+32=127, Resulting Numbers: [127] 127,93 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:[96, 95, 96], Operations: ['72+24=96'] Exploring Operation: 96-95=1, Resulting Numbers: [96, 1] Generated Node #0,2,0: 93:[96, 1] Operation: 96-95=1 Exploring Operation: 96/96=1, Resulting Numbers: [95, 1] Generated Node #0,2,1: 93:[95, 1] Operation: 96/96=1 Exploring Operation: 96-96=0, Resulting Numbers: [95, 0] Generated Node #0,2,2: 93:[95, 0] Operation: 96-96=0 Moving to Node #0,1 Current State: 93:[95, 24, 24], Operations: ['96-72=24'] Exploring Operation: 24/24=1, Resulting Numbers: [95, 1] Generated Node #0,1,0: 93:[95, 1] Operation: 24/24=1 Exploring Operation: 24+24=48, Resulting Numbers: [95, 48] Generated Node #0,1,1: 93:[95, 48] Operation: 24+24=48 Exploring Operation: 24-24=0, Resulting Numbers: [95, 0] Generated Node #0,1,2: 93:[95, 0] Operation: 24-24=0 Moving to Node #0,2,1 Current State: 93:[95, 1], Operations: ['72+24=96', '96/96=1'] Exploring Operation: 95-1=94, Resulting Numbers: [94] 94,93 unequal: No Solution Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 95/1=95, Resulting Numbers: [95] 95,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[95, 1], Operations: ['96-72=24', '24/24=1'] Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 95-1=94, Resulting Numbers: [94] 94,93 unequal: No Solution Exploring Operation: 95/1=95, Resulting Numbers: [95] 95,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[95, 0], Operations: ['72+24=96', '96-96=0'] Exploring Operation: 95-0=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 95+0=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 95*0=0, Resulting Numbers: [0] 0,93 unequal: No Solution Moving to Node #0,1,2 Current State: 93:[95, 0], Operations: ['96-72=24', '24-24=0'] Exploring Operation: 95+0=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 95*0=0, Resulting Numbers: [0] 0,93 unequal: No Solution Exploring Operation: 95-0=95, Resulting Numbers: [95] 95,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[96, 1], Operations: ['72+24=96', '96-95=1'] Exploring Operation: 96/1=96, Resulting Numbers: [96] 96,93 unequal: No Solution Exploring Operation: 96-1=95, Resulting Numbers: [95] 95,93 unequal: No Solution Exploring Operation: 96*1=96, Resulting Numbers: [96] 96,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[95, 48], Operations: ['96-72=24', '24+24=48'] Exploring Operation: 95-48=47, Resulting Numbers: [47] 47,93 unequal: No Solution Exploring Operation: 95*48=4560, Resulting Numbers: [4560] 4560,93 unequal: No Solution Exploring Operation: 95+48=143, Resulting Numbers: [143] 143,93 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 35, 67, 52, 40 ]
65
[ "67-35=32", "52*40=2080", "2080/32=65" ]
Current State: 65:[35, 67, 52, 40], Operations: [] Exploring Operation: 67-35=32, Resulting Numbers: [52, 40, 32] Generated Node #2: [52, 40, 32] from Operation: 67-35=32 Current State: 65:[52, 40, 32], Operations: ['67-35=32'] Exploring Operation: 52*40=2080, Resulting Numbers: [32, 2080] Generated Node #3: [32, 2080] from Operation: 52*40=2080 Current State: 65:[32, 2080], Operations: ['67-35=32', '52*40=2080'] Exploring Operation: 2080/32=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[35, 67, 52, 40], Operations: [] Exploring Operation: 52-35=17, Resulting Numbers: [67, 40, 17] Generated Node #0,0: 65:[67, 40, 17] Operation: 52-35=17 Exploring Operation: 35+40=75, Resulting Numbers: [67, 52, 75] Generated Node #0,1: 65:[67, 52, 75] Operation: 35+40=75 Exploring Operation: 40-35=5, Resulting Numbers: [67, 52, 5] Generated Node #0,2: 65:[67, 52, 5] Operation: 40-35=5 Exploring Operation: 52-40=12, Resulting Numbers: [35, 67, 12] Generated Node #0,3: 65:[35, 67, 12] Operation: 52-40=12 Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[67, 52, 5], Operations: ['40-35=5'] Exploring Operation: 67-5=62, Resulting Numbers: [52, 62] Generated Node #0,2,0: 65:[52, 62] Operation: 67-5=62 Exploring Operation: 67-52=15, Resulting Numbers: [5, 15] Generated Node #0,2,1: 65:[5, 15] Operation: 67-52=15 Exploring Operation: 52+5=57, Resulting Numbers: [67, 57] Generated Node #0,2,2: 65:[67, 57] Operation: 52+5=57 Exploring Operation: 67+5=72, Resulting Numbers: [52, 72] Generated Node #0,2,3: 65:[52, 72] Operation: 67+5=72 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 65:[5, 15], Operations: ['40-35=5', '67-52=15'] Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 5*15=75, Resulting Numbers: [75] 75,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 65:[67, 57], Operations: ['40-35=5', '52+5=57'] Exploring Operation: 67+57=124, Resulting Numbers: [124] 124,65 unequal: No Solution Exploring Operation: 67*57=3819, Resulting Numbers: [3819] 3819,65 unequal: No Solution Exploring Operation: 67-57=10, Resulting Numbers: [10] 10,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 65:[52, 62], Operations: ['40-35=5', '67-5=62'] Exploring Operation: 52*62=3224, Resulting Numbers: [3224] 3224,65 unequal: No Solution Exploring Operation: 52+62=114, Resulting Numbers: [114] 114,65 unequal: No Solution Exploring Operation: 62-52=10, Resulting Numbers: [10] 10,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 65:[52, 72], Operations: ['40-35=5', '67+5=72'] Exploring Operation: 72-52=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 52+72=124, Resulting Numbers: [124] 124,65 unequal: No Solution Exploring Operation: 52*72=3744, Resulting Numbers: [3744] 3744,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[67, 52, 75], Operations: ['35+40=75'] Exploring Operation: 75-67=8, Resulting Numbers: [52, 8] Generated Node #0,1,0: 65:[52, 8] Operation: 75-67=8 Exploring Operation: 67+52=119, Resulting Numbers: [75, 119] Generated Node #0,1,1: 65:[75, 119] Operation: 67+52=119 Exploring Operation: 67-52=15, Resulting Numbers: [75, 15] Generated Node #0,1,2: 65:[75, 15] Operation: 67-52=15 Exploring Operation: 75-52=23, Resulting Numbers: [67, 23] Generated Node #0,1,3: 65:[67, 23] Operation: 75-52=23 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 65:[75, 15], Operations: ['35+40=75', '67-52=15'] Exploring Operation: 75*15=1125, Resulting Numbers: [1125] 1125,65 unequal: No Solution Exploring Operation: 75+15=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 75/15=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 75-15=60, Resulting Numbers: [60] 60,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 65:[67, 23], Operations: ['35+40=75', '75-52=23'] Exploring Operation: 67+23=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 67*23=1541, Resulting Numbers: [1541] 1541,65 unequal: No Solution Exploring Operation: 67-23=44, Resulting Numbers: [44] 44,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 65:[52, 8], Operations: ['35+40=75', '75-67=8'] Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,65 unequal: No Solution Exploring Operation: 52*8=416, Resulting Numbers: [416] 416,65 unequal: No Solution Exploring Operation: 52+8=60, Resulting Numbers: [60] 60,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 65:[75, 119], Operations: ['35+40=75', '67+52=119'] Exploring Operation: 75*119=8925, Resulting Numbers: [8925] 8925,65 unequal: No Solution Exploring Operation: 75+119=194, Resulting Numbers: [194] 194,65 unequal: No Solution Exploring Operation: 119-75=44, Resulting Numbers: [44] 44,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 65:[35, 67, 12], Operations: ['52-40=12'] Exploring Operation: 35-12=23, Resulting Numbers: [67, 23] Generated Node #0,3,0: 65:[67, 23] Operation: 35-12=23 Exploring Operation: 67-35=32, Resulting Numbers: [12, 32] Generated Node #0,3,1: 65:[12, 32] Operation: 67-35=32 Exploring Operation: 35+12=47, Resulting Numbers: [67, 47] Generated Node #0,3,2: 65:[67, 47] Operation: 35+12=47 Exploring Operation: 67-12=55, Resulting Numbers: [35, 55] Generated Node #0,3,3: 65:[35, 55] Operation: 67-12=55 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 65:[67, 23], Operations: ['52-40=12', '35-12=23'] Exploring Operation: 67*23=1541, Resulting Numbers: [1541] 1541,65 unequal: No Solution Exploring Operation: 67+23=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 67-23=44, Resulting Numbers: [44] 44,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 65:[12, 32], Operations: ['52-40=12', '67-35=32'] Exploring Operation: 12+32=44, Resulting Numbers: [44] 44,65 unequal: No Solution Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 12*32=384, Resulting Numbers: [384] 384,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 65:[67, 47], Operations: ['52-40=12', '35+12=47'] Exploring Operation: 67*47=3149, Resulting Numbers: [3149] 3149,65 unequal: No Solution Exploring Operation: 67-47=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 67+47=114, Resulting Numbers: [114] 114,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 65:[35, 55], Operations: ['52-40=12', '67-12=55'] Exploring Operation: 35+55=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 55-35=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 35*55=1925, Resulting Numbers: [1925] 1925,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[67, 40, 17], Operations: ['52-35=17'] Exploring Operation: 67-17=50, Resulting Numbers: [40, 50] Generated Node #0,0,0: 65:[40, 50] Operation: 67-17=50 Exploring Operation: 40+17=57, Resulting Numbers: [67, 57] Generated Node #0,0,1: 65:[67, 57] Operation: 40+17=57 Exploring Operation: 40-17=23, Resulting Numbers: [67, 23] Generated Node #0,0,2: 65:[67, 23] Operation: 40-17=23 Exploring Operation: 67-40=27, Resulting Numbers: [17, 27] Generated Node #0,0,3: 65:[17, 27] Operation: 67-40=27 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 65:[67, 57], Operations: ['52-35=17', '40+17=57'] Exploring Operation: 67*57=3819, Resulting Numbers: [3819] 3819,65 unequal: No Solution Exploring Operation: 67-57=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 67+57=124, Resulting Numbers: [124] 124,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 65:[67, 23], Operations: ['52-35=17', '40-17=23'] Exploring Operation: 67*23=1541, Resulting Numbers: [1541] 1541,65 unequal: No Solution Exploring Operation: 67-23=44, Resulting Numbers: [44] 44,65 unequal: No Solution Exploring Operation: 67+23=90, Resulting Numbers: [90] 90,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 65:[17, 27], Operations: ['52-35=17', '67-40=27'] Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,65 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 17*27=459, Resulting Numbers: [459] 459,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[40, 50], Operations: ['52-35=17', '67-17=50'] Exploring Operation: 40*50=2000, Resulting Numbers: [2000] 2000,65 unequal: No Solution Exploring Operation: 40+50=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 50-40=10, Resulting Numbers: [10] 10,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 22, 44, 65, 76 ]
87
[ "44/22=2", "76*2=152", "152-65=87" ]
Current State: 87:[22, 44, 65, 76], Operations: [] Exploring Operation: 44/22=2, Resulting Numbers: [65, 76, 2] Generated Node #2: [65, 76, 2] from Operation: 44/22=2 Current State: 87:[65, 76, 2], Operations: ['44/22=2'] Exploring Operation: 76*2=152, Resulting Numbers: [65, 152] Generated Node #3: [65, 152] from Operation: 76*2=152 Current State: 87:[65, 152], Operations: ['44/22=2', '76*2=152'] Exploring Operation: 152-65=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[22, 44, 65, 76], Operations: [] Exploring Operation: 22+65=87, Resulting Numbers: [44, 76, 87] Generated Node #0,0: 87:[44, 76, 87] Operation: 22+65=87 Moving to Node #0,0 Current State: 87:[44, 76, 87], Operations: ['22+65=87'] Exploring Operation: 76-44=32, Resulting Numbers: [87, 32] Generated Node #0,0,0: 87:[87, 32] Operation: 76-44=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[87, 32], Operations: ['22+65=87', '76-44=32'] Exploring Operation: 87-32=55, Resulting Numbers: [55] 55,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 32, 58, 16, 93 ]
37
[ "32/16=2", "93-58=35", "2+35=37" ]
Current State: 37:[32, 58, 16, 93], Operations: [] Exploring Operation: 32/16=2, Resulting Numbers: [58, 93, 2] Generated Node #2: [58, 93, 2] from Operation: 32/16=2 Current State: 37:[58, 93, 2], Operations: ['32/16=2'] Exploring Operation: 93-58=35, Resulting Numbers: [2, 35] Generated Node #3: [2, 35] from Operation: 93-58=35 Current State: 37:[2, 35], Operations: ['32/16=2', '93-58=35'] Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[32, 58, 16, 93], Operations: [] Exploring Operation: 58-32=26, Resulting Numbers: [16, 93, 26] Generated Node #0,0: 37:[16, 93, 26] Operation: 58-32=26 Exploring Operation: 58-16=42, Resulting Numbers: [32, 93, 42] Generated Node #0,1: 37:[32, 93, 42] Operation: 58-16=42 Exploring Operation: 93-16=77, Resulting Numbers: [32, 58, 77] Generated Node #0,2: 37:[32, 58, 77] Operation: 93-16=77 Exploring Operation: 93-58=35, Resulting Numbers: [32, 16, 35] Generated Node #0,3: 37:[32, 16, 35] Operation: 93-58=35 Exploring Operation: 93-32=61, Resulting Numbers: [58, 16, 61] Generated Node #0,4: 37:[58, 16, 61] Operation: 93-32=61 Moving to Node #0,3 Current State: 37:[32, 16, 35], Operations: ['93-58=35'] Exploring Operation: 32-16=16, Resulting Numbers: [35, 16] Generated Node #0,3,0: 37:[35, 16] Operation: 32-16=16 Exploring Operation: 32+16=48, Resulting Numbers: [35, 48] Generated Node #0,3,1: 37:[35, 48] Operation: 32+16=48 Exploring Operation: 16+35=51, Resulting Numbers: [32, 51] Generated Node #0,3,2: 37:[32, 51] Operation: 16+35=51 Exploring Operation: 35-16=19, Resulting Numbers: [32, 19] Generated Node #0,3,3: 37:[32, 19] Operation: 35-16=19 Exploring Operation: 32/16=2, Resulting Numbers: [35, 2] Generated Node #0,3,4: 37:[35, 2] Operation: 32/16=2 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 37:[35, 48], Operations: ['93-58=35', '32+16=48'] Exploring Operation: 48-35=13, Resulting Numbers: [13] 13,37 unequal: No Solution Exploring Operation: 35*48=1680, Resulting Numbers: [1680] 1680,37 unequal: No Solution Exploring Operation: 35+48=83, Resulting Numbers: [83] 83,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 37:[32, 51], Operations: ['93-58=35', '16+35=51'] Exploring Operation: 32*51=1632, Resulting Numbers: [1632] 1632,37 unequal: No Solution Exploring Operation: 32+51=83, Resulting Numbers: [83] 83,37 unequal: No Solution Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 37:[35, 16], Operations: ['93-58=35', '32-16=16'] Exploring Operation: 35+16=51, Resulting Numbers: [51] 51,37 unequal: No Solution Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,37 unequal: No Solution Exploring Operation: 35*16=560, Resulting Numbers: [560] 560,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 37:[32, 19], Operations: ['93-58=35', '35-16=19'] Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,37 unequal: No Solution Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,37 unequal: No Solution Exploring Operation: 32*19=608, Resulting Numbers: [608] 608,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 37:[35, 2], Operations: ['93-58=35', '32/16=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[32, 58, 16, 93], Operations: [] Exploring Operation: 93-58=35, Resulting Numbers: [32, 16, 35] Generated Node #0,3: 37:[32, 16, 35] Operation: 93-58=35 Moving to Node #0,3 Current State: 37:[32, 16, 35], Operations: ['93-58=35'] Exploring Operation: 32/16=2, Resulting Numbers: [35, 2] Generated Node #0,3,4: 37:[35, 2] Operation: 32/16=2 Moving to Node #0,3,4 Current State: 37:[35, 2], Operations: ['93-58=35', '32/16=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
mult_heuristic
[ 6, 92, 2, 85 ]
100
[ "92-2=90", "90/6=15", "85+15=100" ]
Current State: 100:[6, 92, 2, 85], Operations: [] Exploring Operation: 92-2=90, Resulting Numbers: [6, 85, 90] Generated Node #2: [6, 85, 90] from Operation: 92-2=90 Current State: 100:[6, 85, 90], Operations: ['92-2=90'] Exploring Operation: 90/6=15, Resulting Numbers: [85, 15] Generated Node #3: [85, 15] from Operation: 90/6=15 Current State: 100:[85, 15], Operations: ['92-2=90', '90/6=15'] Exploring Operation: 85+15=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[6, 92, 2, 85], Operations: [] Exploring Operation: 92-85=7, Resulting Numbers: [6, 2, 7] Generated Node #0,0: 100:[6, 2, 7] Operation: 92-85=7 Moving to Node #0,0 Current State: 100:[6, 2, 7], Operations: ['92-85=7'] Exploring Operation: 7-6=1, Resulting Numbers: [2, 1] Generated Node #0,0,0: 100:[2, 1] Operation: 7-6=1 Moving to Node #0,0,0 Current State: 100:[2, 1], Operations: ['92-85=7', '7-6=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,100 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 46, 48, 6, 43 ]
55
[ "48-46=2", "6*2=12", "43+12=55" ]
Current State: 55:[46, 48, 6, 43], Operations: [] Exploring Operation: 48-46=2, Resulting Numbers: [6, 43, 2] Generated Node #2: [6, 43, 2] from Operation: 48-46=2 Current State: 55:[6, 43, 2], Operations: ['48-46=2'] Exploring Operation: 6*2=12, Resulting Numbers: [43, 12] Generated Node #3: [43, 12] from Operation: 6*2=12 Current State: 55:[43, 12], Operations: ['48-46=2', '6*2=12'] Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[46, 48, 6, 43], Operations: [] Exploring Operation: 46+6=52, Resulting Numbers: [48, 43, 52] Generated Node #0,0: 55:[48, 43, 52] Operation: 46+6=52 Exploring Operation: 46-43=3, Resulting Numbers: [48, 6, 3] Generated Node #0,1: 55:[48, 6, 3] Operation: 46-43=3 Exploring Operation: 48-43=5, Resulting Numbers: [46, 6, 5] Generated Node #0,2: 55:[46, 6, 5] Operation: 48-43=5 Exploring Operation: 48-46=2, Resulting Numbers: [6, 43, 2] Generated Node #0,3: 55:[6, 43, 2] Operation: 48-46=2 Moving to Node #0,1 Current State: 55:[48, 6, 3], Operations: ['46-43=3'] Exploring Operation: 48/6=8, Resulting Numbers: [3, 8] Generated Node #0,1,0: 55:[3, 8] Operation: 48/6=8 Exploring Operation: 48+6=54, Resulting Numbers: [3, 54] Generated Node #0,1,1: 55:[3, 54] Operation: 48+6=54 Exploring Operation: 48+3=51, Resulting Numbers: [6, 51] Generated Node #0,1,2: 55:[6, 51] Operation: 48+3=51 Exploring Operation: 48/3=16, Resulting Numbers: [6, 16] Generated Node #0,1,3: 55:[6, 16] Operation: 48/3=16 Moving to Node #0,2 Current State: 55:[46, 6, 5], Operations: ['48-43=5'] Exploring Operation: 46+5=51, Resulting Numbers: [6, 51] Generated Node #0,2,0: 55:[6, 51] Operation: 46+5=51 Exploring Operation: 6-5=1, Resulting Numbers: [46, 1] Generated Node #0,2,1: 55:[46, 1] Operation: 6-5=1 Exploring Operation: 6+5=11, Resulting Numbers: [46, 11] Generated Node #0,2,2: 55:[46, 11] Operation: 6+5=11 Exploring Operation: 46+6=52, Resulting Numbers: [5, 52] Generated Node #0,2,3: 55:[5, 52] Operation: 46+6=52 Moving to Node #0,3 Current State: 55:[6, 43, 2], Operations: ['48-46=2'] Exploring Operation: 43+2=45, Resulting Numbers: [6, 45] Generated Node #0,3,0: 55:[6, 45] Operation: 43+2=45 Exploring Operation: 6-2=4, Resulting Numbers: [43, 4] Generated Node #0,3,1: 55:[43, 4] Operation: 6-2=4 Exploring Operation: 6*2=12, Resulting Numbers: [43, 12] Generated Node #0,3,2: 55:[43, 12] Operation: 6*2=12 Exploring Operation: 6+43=49, Resulting Numbers: [2, 49] Generated Node #0,3,3: 55:[2, 49] Operation: 6+43=49 Moving to Node #0,0 Current State: 55:[48, 43, 52], Operations: ['46+6=52'] Exploring Operation: 48-43=5, Resulting Numbers: [52, 5] Generated Node #0,0,0: 55:[52, 5] Operation: 48-43=5 Exploring Operation: 48+43=91, Resulting Numbers: [52, 91] Generated Node #0,0,1: 55:[52, 91] Operation: 48+43=91 Exploring Operation: 52-43=9, Resulting Numbers: [48, 9] Generated Node #0,0,2: 55:[48, 9] Operation: 52-43=9 Exploring Operation: 52-48=4, Resulting Numbers: [43, 4] Generated Node #0,0,3: 55:[43, 4] Operation: 52-48=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 55:[52, 5], Operations: ['46+6=52', '48-43=5'] Exploring Operation: 52*5=260, Resulting Numbers: [260] 260,55 unequal: No Solution Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,55 unequal: No Solution Exploring Operation: 52+5=57, Resulting Numbers: [57] 57,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 55:[48, 9], Operations: ['46+6=52', '52-43=9'] Exploring Operation: 48+9=57, Resulting Numbers: [57] 57,55 unequal: No Solution Exploring Operation: 48*9=432, Resulting Numbers: [432] 432,55 unequal: No Solution Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 55:[43, 4], Operations: ['46+6=52', '52-48=4'] Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 43*4=172, Resulting Numbers: [172] 172,55 unequal: No Solution Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 55:[52, 91], Operations: ['46+6=52', '48+43=91'] Exploring Operation: 91-52=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 52*91=4732, Resulting Numbers: [4732] 4732,55 unequal: No Solution Exploring Operation: 52+91=143, Resulting Numbers: [143] 143,55 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: 55:[3, 54], Operations: ['46-43=3', '48+6=54'] Exploring Operation: 3*54=162, Resulting Numbers: [162] 162,55 unequal: No Solution Exploring Operation: 3+54=57, Resulting Numbers: [57] 57,55 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,55 unequal: No Solution Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,55 unequal: No Solution Moving to Node #0,2,3 Current State: 55:[5, 52], Operations: ['48-43=5', '46+6=52'] Exploring Operation: 5*52=260, Resulting Numbers: [260] 260,55 unequal: No Solution Exploring Operation: 5+52=57, Resulting Numbers: [57] 57,55 unequal: No Solution Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,55 unequal: No Solution Moving to Node #0,1,2 Current State: 55:[6, 51], Operations: ['46-43=3', '48+3=51'] Exploring Operation: 6*51=306, Resulting Numbers: [306] 306,55 unequal: No Solution Exploring Operation: 6+51=57, Resulting Numbers: [57] 57,55 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,55 unequal: No Solution Moving to Node #0,2,0 Current State: 55:[6, 51], Operations: ['48-43=5', '46+5=51'] Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,55 unequal: No Solution Exploring Operation: 6*51=306, Resulting Numbers: [306] 306,55 unequal: No Solution Exploring Operation: 6+51=57, Resulting Numbers: [57] 57,55 unequal: No Solution Moving to Node #0,1,0 Current State: 55:[3, 8], Operations: ['46-43=3', '48/6=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,55 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,55 unequal: No Solution Moving to Node #0,1,3 Current State: 55:[6, 16], Operations: ['46-43=3', '48/3=16'] Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,55 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,55 unequal: No Solution Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,55 unequal: No Solution Moving to Node #0,2,2 Current State: 55:[46, 11], Operations: ['48-43=5', '6+5=11'] Exploring Operation: 46-11=35, Resulting Numbers: [35] 35,55 unequal: No Solution Exploring Operation: 46+11=57, Resulting Numbers: [57] 57,55 unequal: No Solution Exploring Operation: 46*11=506, Resulting Numbers: [506] 506,55 unequal: No Solution Moving to Node #0,3,3 Current State: 55:[2, 49], Operations: ['48-46=2', '6+43=49'] Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,55 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,55 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,55 unequal: No Solution Moving to Node #0,3,0 Current State: 55:[6, 45], Operations: ['48-46=2', '43+2=45'] Exploring Operation: 6*45=270, Resulting Numbers: [270] 270,55 unequal: No Solution Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 6+45=51, Resulting Numbers: [51] 51,55 unequal: No Solution Moving to Node #0,3,1 Current State: 55:[43, 4], Operations: ['48-46=2', '6-2=4'] Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,55 unequal: No Solution Exploring Operation: 43*4=172, Resulting Numbers: [172] 172,55 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,55 unequal: No Solution Moving to Node #0,2,1 Current State: 55:[46, 1], Operations: ['48-43=5', '6-5=1'] Exploring Operation: 46*1=46, Resulting Numbers: [46] 46,55 unequal: No Solution Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,55 unequal: No Solution Exploring Operation: 46+1=47, Resulting Numbers: [47] 47,55 unequal: No Solution Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,55 unequal: No Solution Moving to Node #0,3,2 Current State: 55:[43, 12], Operations: ['48-46=2', '6*2=12'] Exploring Operation: 43*12=516, Resulting Numbers: [516] 516,55 unequal: No Solution Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[46, 48, 6, 43], Operations: [] Exploring Operation: 48-46=2, Resulting Numbers: [6, 43, 2] Generated Node #0,3: 55:[6, 43, 2] Operation: 48-46=2 Moving to Node #0,3 Current State: 55:[6, 43, 2], Operations: ['48-46=2'] Exploring Operation: 6*2=12, Resulting Numbers: [43, 12] Generated Node #0,3,2: 55:[43, 12] Operation: 6*2=12 Moving to Node #0,3,2 Current State: 55:[43, 12], Operations: ['48-46=2', '6*2=12'] Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
0.936632
hs_4
mult_heuristic
[ 10, 83, 94, 99 ]
68
[ "83-10=73", "99-94=5", "73-5=68" ]
Current State: 68:[10, 83, 94, 99], Operations: [] Exploring Operation: 83-10=73, Resulting Numbers: [94, 99, 73] Generated Node #2: [94, 99, 73] from Operation: 83-10=73 Current State: 68:[94, 99, 73], Operations: ['83-10=73'] Exploring Operation: 99-94=5, Resulting Numbers: [73, 5] Generated Node #3: [73, 5] from Operation: 99-94=5 Current State: 68:[73, 5], Operations: ['83-10=73', '99-94=5'] Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[10, 83, 94, 99], Operations: [] Exploring Operation: 94-10=84, Resulting Numbers: [83, 99, 84] Generated Node #0,0: 68:[83, 99, 84] Operation: 94-10=84 Exploring Operation: 94-83=11, Resulting Numbers: [10, 99, 11] Generated Node #0,1: 68:[10, 99, 11] Operation: 94-83=11 Exploring Operation: 99-94=5, Resulting Numbers: [10, 83, 5] Generated Node #0,2: 68:[10, 83, 5] Operation: 99-94=5 Exploring Operation: 83-10=73, Resulting Numbers: [94, 99, 73] Generated Node #0,3: 68:[94, 99, 73] Operation: 83-10=73 Exploring Operation: 99-83=16, Resulting Numbers: [10, 94, 16] Generated Node #0,4: 68:[10, 94, 16] Operation: 99-83=16 Moving to Node #0,2 Current State: 68:[10, 83, 5], Operations: ['99-94=5'] Exploring Operation: 10+5=15, Resulting Numbers: [83, 15] Generated Node #0,2,0: 68:[83, 15] Operation: 10+5=15 Exploring Operation: 83-10=73, Resulting Numbers: [5, 73] Generated Node #0,2,1: 68:[5, 73] Operation: 83-10=73 Exploring Operation: 10/5=2, Resulting Numbers: [83, 2] Generated Node #0,2,2: 68:[83, 2] Operation: 10/5=2 Exploring Operation: 83-5=78, Resulting Numbers: [10, 78] Generated Node #0,2,3: 68:[10, 78] Operation: 83-5=78 Exploring Operation: 10-5=5, Resulting Numbers: [83, 5] Generated Node #0,2,4: 68:[83, 5] Operation: 10-5=5 Moving to Node #0,4 Current State: 68:[10, 94, 16], Operations: ['99-83=16'] Exploring Operation: 10+16=26, Resulting Numbers: [94, 26] Generated Node #0,4,0: 68:[94, 26] Operation: 10+16=26 Exploring Operation: 94-16=78, Resulting Numbers: [10, 78] Generated Node #0,4,1: 68:[10, 78] Operation: 94-16=78 Exploring Operation: 10+94=104, Resulting Numbers: [16, 104] Generated Node #0,4,2: 68:[16, 104] Operation: 10+94=104 Exploring Operation: 94-10=84, Resulting Numbers: [16, 84] Generated Node #0,4,3: 68:[16, 84] Operation: 94-10=84 Exploring Operation: 16-10=6, Resulting Numbers: [94, 6] Generated Node #0,4,4: 68:[94, 6] Operation: 16-10=6 Moving to Node #0,1 Current State: 68:[10, 99, 11], Operations: ['94-83=11'] Exploring Operation: 99-10=89, Resulting Numbers: [11, 89] Generated Node #0,1,0: 68:[11, 89] Operation: 99-10=89 Exploring Operation: 99/11=9, Resulting Numbers: [10, 9] Generated Node #0,1,1: 68:[10, 9] Operation: 99/11=9 Exploring Operation: 10+11=21, Resulting Numbers: [99, 21] Generated Node #0,1,2: 68:[99, 21] Operation: 10+11=21 Exploring Operation: 11-10=1, Resulting Numbers: [99, 1] Generated Node #0,1,3: 68:[99, 1] Operation: 11-10=1 Exploring Operation: 99-11=88, Resulting Numbers: [10, 88] Generated Node #0,1,4: 68:[10, 88] Operation: 99-11=88 Moving to Node #0,0 Current State: 68:[83, 99, 84], Operations: ['94-10=84'] Exploring Operation: 99-84=15, Resulting Numbers: [83, 15] Generated Node #0,0,0: 68:[83, 15] Operation: 99-84=15 Exploring Operation: 83+99=182, Resulting Numbers: [84, 182] Generated Node #0,0,1: 68:[84, 182] Operation: 83+99=182 Exploring Operation: 83+84=167, Resulting Numbers: [99, 167] Generated Node #0,0,2: 68:[99, 167] Operation: 83+84=167 Exploring Operation: 99-83=16, Resulting Numbers: [84, 16] Generated Node #0,0,3: 68:[84, 16] Operation: 99-83=16 Exploring Operation: 84-83=1, Resulting Numbers: [99, 1] Generated Node #0,0,4: 68:[99, 1] Operation: 84-83=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[83, 15], Operations: ['94-10=84', '99-84=15'] Exploring Operation: 83-15=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[10, 83, 94, 99], Operations: [] Exploring Operation: 94-10=84, Resulting Numbers: [83, 99, 84] Generated Node #0,0: 68:[83, 99, 84] Operation: 94-10=84 Moving to Node #0,0 Current State: 68:[83, 99, 84], Operations: ['94-10=84'] Exploring Operation: 99-84=15, Resulting Numbers: [83, 15] Generated Node #0,0,0: 68:[83, 15] Operation: 99-84=15 Moving to Node #0,0,0 Current State: 68:[83, 15], Operations: ['94-10=84', '99-84=15'] Exploring Operation: 83-15=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_5
sum_heuristic
[ 47, 71, 89, 7 ]
77
[ "89-47=42", "42/7=6", "71+6=77" ]
Current State: 77:[47, 71, 89, 7], Operations: [] Exploring Operation: 89-47=42, Resulting Numbers: [71, 7, 42] Generated Node #2: [71, 7, 42] from Operation: 89-47=42 Current State: 77:[71, 7, 42], Operations: ['89-47=42'] Exploring Operation: 42/7=6, Resulting Numbers: [71, 6] Generated Node #3: [71, 6] from Operation: 42/7=6 Current State: 77:[71, 6], Operations: ['89-47=42', '42/7=6'] Exploring Operation: 71+6=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[47, 71, 89, 7], Operations: [] Exploring Operation: 89-7=82, Resulting Numbers: [47, 71, 82] Generated Node #0,0: 77:[47, 71, 82] Operation: 89-7=82 Exploring Operation: 47+7=54, Resulting Numbers: [71, 89, 54] Generated Node #0,1: 77:[71, 89, 54] Operation: 47+7=54 Exploring Operation: 71-47=24, Resulting Numbers: [89, 7, 24] Generated Node #0,2: 77:[89, 7, 24] Operation: 71-47=24 Exploring Operation: 89-71=18, Resulting Numbers: [47, 7, 18] Generated Node #0,3: 77:[47, 7, 18] Operation: 89-71=18 Exploring Operation: 89-47=42, Resulting Numbers: [71, 7, 42] Generated Node #0,4: 77:[71, 7, 42] Operation: 89-47=42 Moving to Node #0,2 Current State: 77:[89, 7, 24], Operations: ['71-47=24'] Exploring Operation: 89+7=96, Resulting Numbers: [24, 96] Generated Node #0,2,0: 77:[24, 96] Operation: 89+7=96 Exploring Operation: 24-7=17, Resulting Numbers: [89, 17] Generated Node #0,2,1: 77:[89, 17] Operation: 24-7=17 Exploring Operation: 7+24=31, Resulting Numbers: [89, 31] Generated Node #0,2,2: 77:[89, 31] Operation: 7+24=31 Exploring Operation: 89-24=65, Resulting Numbers: [7, 65] Generated Node #0,2,3: 77:[7, 65] Operation: 89-24=65 Exploring Operation: 89-7=82, Resulting Numbers: [24, 82] Generated Node #0,2,4: 77:[24, 82] Operation: 89-7=82 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 77:[7, 65], Operations: ['71-47=24', '89-24=65'] Exploring Operation: 65-7=58, Resulting Numbers: [58] 58,77 unequal: No Solution Exploring Operation: 7+65=72, Resulting Numbers: [72] 72,77 unequal: No Solution Exploring Operation: 7*65=455, Resulting Numbers: [455] 455,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 77:[89, 17], Operations: ['71-47=24', '24-7=17'] Exploring Operation: 89-17=72, Resulting Numbers: [72] 72,77 unequal: No Solution Exploring Operation: 89+17=106, Resulting Numbers: [106] 106,77 unequal: No Solution Exploring Operation: 89*17=1513, Resulting Numbers: [1513] 1513,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 77:[24, 82], Operations: ['71-47=24', '89-7=82'] Exploring Operation: 24+82=106, Resulting Numbers: [106] 106,77 unequal: No Solution Exploring Operation: 24*82=1968, Resulting Numbers: [1968] 1968,77 unequal: No Solution Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 77:[24, 96], Operations: ['71-47=24', '89+7=96'] Exploring Operation: 24+96=120, Resulting Numbers: [120] 120,77 unequal: No Solution Exploring Operation: 24*96=2304, Resulting Numbers: [2304] 2304,77 unequal: No Solution Exploring Operation: 96/24=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 96-24=72, Resulting Numbers: [72] 72,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 77:[89, 31], Operations: ['71-47=24', '7+24=31'] Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,77 unequal: No Solution Exploring Operation: 89*31=2759, Resulting Numbers: [2759] 2759,77 unequal: No Solution Exploring Operation: 89+31=120, Resulting Numbers: [120] 120,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 77:[71, 7, 42], Operations: ['89-47=42'] Exploring Operation: 71+7=78, Resulting Numbers: [42, 78] Generated Node #0,4,0: 77:[42, 78] Operation: 71+7=78 Exploring Operation: 71-42=29, Resulting Numbers: [7, 29] Generated Node #0,4,1: 77:[7, 29] Operation: 71-42=29 Exploring Operation: 42-7=35, Resulting Numbers: [71, 35] Generated Node #0,4,2: 77:[71, 35] Operation: 42-7=35 Exploring Operation: 42/7=6, Resulting Numbers: [71, 6] Generated Node #0,4,3: 77:[71, 6] Operation: 42/7=6 Exploring Operation: 7+42=49, Resulting Numbers: [71, 49] Generated Node #0,4,4: 77:[71, 49] Operation: 7+42=49 Moving to Node #0,3 Current State: 77:[47, 7, 18], Operations: ['89-71=18'] Exploring Operation: 47+7=54, Resulting Numbers: [18, 54] Generated Node #0,3,0: 77:[18, 54] Operation: 47+7=54 Exploring Operation: 47+18=65, Resulting Numbers: [7, 65] Generated Node #0,3,1: 77:[7, 65] Operation: 47+18=65 Exploring Operation: 47-7=40, Resulting Numbers: [18, 40] Generated Node #0,3,2: 77:[18, 40] Operation: 47-7=40 Exploring Operation: 47-18=29, Resulting Numbers: [7, 29] Generated Node #0,3,3: 77:[7, 29] Operation: 47-18=29 Exploring Operation: 18-7=11, Resulting Numbers: [47, 11] Generated Node #0,3,4: 77:[47, 11] Operation: 18-7=11 Moving to Node #0,0 Current State: 77:[47, 71, 82], Operations: ['89-7=82'] Exploring Operation: 71-47=24, Resulting Numbers: [82, 24] Generated Node #0,0,0: 77:[82, 24] Operation: 71-47=24 Exploring Operation: 82-47=35, Resulting Numbers: [71, 35] Generated Node #0,0,1: 77:[71, 35] Operation: 82-47=35 Exploring Operation: 47+82=129, Resulting Numbers: [71, 129] Generated Node #0,0,2: 77:[71, 129] Operation: 47+82=129 Exploring Operation: 82-71=11, Resulting Numbers: [47, 11] Generated Node #0,0,3: 77:[47, 11] Operation: 82-71=11 Exploring Operation: 47+71=118, Resulting Numbers: [82, 118] Generated Node #0,0,4: 77:[82, 118] Operation: 47+71=118 Moving to Node #0,1 Current State: 77:[71, 89, 54], Operations: ['47+7=54'] Exploring Operation: 71+54=125, Resulting Numbers: [89, 125] Generated Node #0,1,0: 77:[89, 125] Operation: 71+54=125 Exploring Operation: 71-54=17, Resulting Numbers: [89, 17] Generated Node #0,1,1: 77:[89, 17] Operation: 71-54=17 Exploring Operation: 89+54=143, Resulting Numbers: [71, 143] Generated Node #0,1,2: 77:[71, 143] Operation: 89+54=143 Exploring Operation: 89-54=35, Resulting Numbers: [71, 35] Generated Node #0,1,3: 77:[71, 35] Operation: 89-54=35 Exploring Operation: 89-71=18, Resulting Numbers: [54, 18] Generated Node #0,1,4: 77:[54, 18] Operation: 89-71=18 Moving to Node #0,4,3 Current State: 77:[71, 6], Operations: ['89-47=42', '42/7=6'] Exploring Operation: 71*6=426, Resulting Numbers: [426] 426,77 unequal: No Solution Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,77 unequal: No Solution Exploring Operation: 71+6=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[47, 71, 89, 7], Operations: [] Exploring Operation: 89-47=42, Resulting Numbers: [71, 7, 42] Generated Node #0,4: 77:[71, 7, 42] Operation: 89-47=42 Moving to Node #0,4 Current State: 77:[71, 7, 42], Operations: ['89-47=42'] Exploring Operation: 42/7=6, Resulting Numbers: [71, 6] Generated Node #0,4,3: 77:[71, 6] Operation: 42/7=6 Moving to Node #0,4,3 Current State: 77:[71, 6], Operations: ['89-47=42', '42/7=6'] Exploring Operation: 71+6=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
0.953993
hs_5
mult_heuristic
[ 20, 98, 20, 24 ]
98
[ "20-20=0", "24*0=0", "98+0=98" ]
Current State: 98:[20, 98, 20, 24], Operations: [] Exploring Operation: 20-20=0, Resulting Numbers: [98, 24, 0] Generated Node #2: [98, 24, 0] from Operation: 20-20=0 Current State: 98:[98, 24, 0], Operations: ['20-20=0'] Exploring Operation: 24*0=0, Resulting Numbers: [98, 0] Generated Node #3: [98, 0] from Operation: 24*0=0 Current State: 98:[98, 0], Operations: ['20-20=0', '24*0=0'] Exploring Operation: 98+0=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[20, 98, 20, 24], Operations: [] Exploring Operation: 24-20=4, Resulting Numbers: [20, 98, 4] Generated Node #0,0: 98:[20, 98, 4] Operation: 24-20=4 Exploring Operation: 20+24=44, Resulting Numbers: [98, 20, 44] Generated Node #0,1: 98:[98, 20, 44] Operation: 20+24=44 Exploring Operation: 20/20=1, Resulting Numbers: [98, 24, 1] Generated Node #0,2: 98:[98, 24, 1] Operation: 20/20=1 Exploring Operation: 24-20=4, Resulting Numbers: [98, 20, 4] Generated Node #0,3: 98:[98, 20, 4] Operation: 24-20=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[20, 98, 4], Operations: ['24-20=4'] Exploring Operation: 20/4=5, Resulting Numbers: [98, 5] Generated Node #0,0,0: 98:[98, 5] Operation: 20/4=5 Exploring Operation: 98+4=102, Resulting Numbers: [20, 102] Generated Node #0,0,1: 98:[20, 102] Operation: 98+4=102 Exploring Operation: 20+4=24, Resulting Numbers: [98, 24] Generated Node #0,0,2: 98:[98, 24] Operation: 20+4=24 Exploring Operation: 20-4=16, Resulting Numbers: [98, 16] Generated Node #0,0,3: 98:[98, 16] Operation: 20-4=16 Moving to Node #0,0,0 Current State: 98:[98, 5], Operations: ['24-20=4', '20/4=5'] Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,98 unequal: No Solution Exploring Operation: 98+5=103, Resulting Numbers: [103] 103,98 unequal: No Solution Exploring Operation: 98*5=490, Resulting Numbers: [490] 490,98 unequal: No Solution Moving to Node #0,0,3 Current State: 98:[98, 16], Operations: ['24-20=4', '20-4=16'] Exploring Operation: 98-16=82, Resulting Numbers: [82] 82,98 unequal: No Solution Exploring Operation: 98+16=114, Resulting Numbers: [114] 114,98 unequal: No Solution Exploring Operation: 98*16=1568, Resulting Numbers: [1568] 1568,98 unequal: No Solution Moving to Node #0,0,2 Current State: 98:[98, 24], Operations: ['24-20=4', '20+4=24'] Exploring Operation: 98+24=122, Resulting Numbers: [122] 122,98 unequal: No Solution Exploring Operation: 98-24=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 98*24=2352, Resulting Numbers: [2352] 2352,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[20, 102], Operations: ['24-20=4', '98+4=102'] Exploring Operation: 102-20=82, Resulting Numbers: [82] 82,98 unequal: No Solution Exploring Operation: 20*102=2040, Resulting Numbers: [2040] 2040,98 unequal: No Solution Exploring Operation: 20+102=122, Resulting Numbers: [122] 122,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 98:[98, 20, 4], Operations: ['24-20=4'] Exploring Operation: 20-4=16, Resulting Numbers: [98, 16] Generated Node #0,3,0: 98:[98, 16] Operation: 20-4=16 Exploring Operation: 98+4=102, Resulting Numbers: [20, 102] Generated Node #0,3,1: 98:[20, 102] Operation: 98+4=102 Exploring Operation: 98-4=94, Resulting Numbers: [20, 94] Generated Node #0,3,2: 98:[20, 94] Operation: 98-4=94 Exploring Operation: 20/4=5, Resulting Numbers: [98, 5] Generated Node #0,3,3: 98:[98, 5] Operation: 20/4=5 Moving to Node #0,3,0 Current State: 98:[98, 16], Operations: ['24-20=4', '20-4=16'] Exploring Operation: 98+16=114, Resulting Numbers: [114] 114,98 unequal: No Solution Exploring Operation: 98-16=82, Resulting Numbers: [82] 82,98 unequal: No Solution Exploring Operation: 98*16=1568, Resulting Numbers: [1568] 1568,98 unequal: No Solution Moving to Node #0,3,3 Current State: 98:[98, 5], Operations: ['24-20=4', '20/4=5'] Exploring Operation: 98+5=103, Resulting Numbers: [103] 103,98 unequal: No Solution Exploring Operation: 98*5=490, Resulting Numbers: [490] 490,98 unequal: No Solution Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,98 unequal: No Solution Moving to Node #0,3,2 Current State: 98:[20, 94], Operations: ['24-20=4', '98-4=94'] Exploring Operation: 94-20=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 20*94=1880, Resulting Numbers: [1880] 1880,98 unequal: No Solution Exploring Operation: 20+94=114, Resulting Numbers: [114] 114,98 unequal: No Solution Moving to Node #0,3,1 Current State: 98:[20, 102], Operations: ['24-20=4', '98+4=102'] Exploring Operation: 102-20=82, Resulting Numbers: [82] 82,98 unequal: No Solution Exploring Operation: 20+102=122, Resulting Numbers: [122] 122,98 unequal: No Solution Exploring Operation: 20*102=2040, Resulting Numbers: [2040] 2040,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[98, 20, 44], Operations: ['20+24=44'] Exploring Operation: 20+44=64, Resulting Numbers: [98, 64] Generated Node #0,1,0: 98:[98, 64] Operation: 20+44=64 Exploring Operation: 44-20=24, Resulting Numbers: [98, 24] Generated Node #0,1,1: 98:[98, 24] Operation: 44-20=24 Exploring Operation: 98+20=118, Resulting Numbers: [44, 118] Generated Node #0,1,2: 98:[44, 118] Operation: 98+20=118 Exploring Operation: 98-44=54, Resulting Numbers: [20, 54] Generated Node #0,1,3: 98:[20, 54] Operation: 98-44=54 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[98, 24], Operations: ['20+24=44', '44-20=24'] Exploring Operation: 98*24=2352, Resulting Numbers: [2352] 2352,98 unequal: No Solution Exploring Operation: 98+24=122, Resulting Numbers: [122] 122,98 unequal: No Solution Exploring Operation: 98-24=74, Resulting Numbers: [74] 74,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 98:[20, 54], Operations: ['20+24=44', '98-44=54'] Exploring Operation: 20+54=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 20*54=1080, Resulting Numbers: [1080] 1080,98 unequal: No Solution Exploring Operation: 54-20=34, Resulting Numbers: [34] 34,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[98, 64], Operations: ['20+24=44', '20+44=64'] Exploring Operation: 98*64=6272, Resulting Numbers: [6272] 6272,98 unequal: No Solution Exploring Operation: 98-64=34, Resulting Numbers: [34] 34,98 unequal: No Solution Exploring Operation: 98+64=162, Resulting Numbers: [162] 162,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[44, 118], Operations: ['20+24=44', '98+20=118'] Exploring Operation: 44+118=162, Resulting Numbers: [162] 162,98 unequal: No Solution Exploring Operation: 44*118=5192, Resulting Numbers: [5192] 5192,98 unequal: No Solution Exploring Operation: 118-44=74, Resulting Numbers: [74] 74,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[98, 24, 1], Operations: ['20/20=1'] Exploring Operation: 24*1=24, Resulting Numbers: [98, 24] Generated Node #0,2,0: 98:[98, 24] Operation: 24*1=24 Exploring Operation: 98/1=98, Resulting Numbers: [24, 98] Generated Node #0,2,1: 98:[24, 98] Operation: 98/1=98 Exploring Operation: 24-1=23, Resulting Numbers: [98, 23] Generated Node #0,2,2: 98:[98, 23] Operation: 24-1=23 Exploring Operation: 98*1=98, Resulting Numbers: [24, 98] Generated Node #0,2,3: 98:[24, 98] Operation: 98*1=98 Moving to Node #0,2,2 Current State: 98:[98, 23], Operations: ['20/20=1', '24-1=23'] Exploring Operation: 98*23=2254, Resulting Numbers: [2254] 2254,98 unequal: No Solution Exploring Operation: 98+23=121, Resulting Numbers: [121] 121,98 unequal: No Solution Exploring Operation: 98-23=75, Resulting Numbers: [75] 75,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[24, 98], Operations: ['20/20=1', '98/1=98'] Exploring Operation: 24+98=122, Resulting Numbers: [122] 122,98 unequal: No Solution Exploring Operation: 24*98=2352, Resulting Numbers: [2352] 2352,98 unequal: No Solution Exploring Operation: 98-24=74, Resulting Numbers: [74] 74,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[98, 24], Operations: ['20/20=1', '24*1=24'] Exploring Operation: 98-24=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 98*24=2352, Resulting Numbers: [2352] 2352,98 unequal: No Solution Exploring Operation: 98+24=122, Resulting Numbers: [122] 122,98 unequal: No Solution Moving to Node #0,2,3 Current State: 98:[24, 98], Operations: ['20/20=1', '98*1=98'] Exploring Operation: 98-24=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 24*98=2352, Resulting Numbers: [2352] 2352,98 unequal: No Solution Exploring Operation: 24+98=122, Resulting Numbers: [122] 122,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 80, 21, 8, 11 ]
78
[ "80-21=59", "8+11=19", "59+19=78" ]
Current State: 78:[80, 21, 8, 11], Operations: [] Exploring Operation: 80-21=59, Resulting Numbers: [8, 11, 59] Generated Node #2: [8, 11, 59] from Operation: 80-21=59 Current State: 78:[8, 11, 59], Operations: ['80-21=59'] Exploring Operation: 8+11=19, Resulting Numbers: [59, 19] Generated Node #3: [59, 19] from Operation: 8+11=19 Current State: 78:[59, 19], Operations: ['80-21=59', '8+11=19'] Exploring Operation: 59+19=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[80, 21, 8, 11], Operations: [] Exploring Operation: 21-8=13, Resulting Numbers: [80, 11, 13] Generated Node #0,0: 78:[80, 11, 13] Operation: 21-8=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[80, 11, 13], Operations: ['21-8=13'] Exploring Operation: 13-11=2, Resulting Numbers: [80, 2] Generated Node #0,0,0: 78:[80, 2] Operation: 13-11=2 Moving to Node #0,0,0 Current State: 78:[80, 2], Operations: ['21-8=13', '13-11=2'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[80, 21, 8, 11], Operations: [] Exploring Operation: 21-8=13, Resulting Numbers: [80, 11, 13] Generated Node #0,0: 78:[80, 11, 13] Operation: 21-8=13 Moving to Node #0,0 Current State: 78:[80, 11, 13], Operations: ['21-8=13'] Exploring Operation: 13-11=2, Resulting Numbers: [80, 2] Generated Node #0,0,0: 78:[80, 2] Operation: 13-11=2 Moving to Node #0,0,0 Current State: 78:[80, 2], Operations: ['21-8=13', '13-11=2'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 28, 56, 94, 53 ]
39
[ "56/28=2", "94-53=41", "41-2=39" ]
Current State: 39:[28, 56, 94, 53], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [94, 53, 2] Generated Node #2: [94, 53, 2] from Operation: 56/28=2 Current State: 39:[94, 53, 2], Operations: ['56/28=2'] Exploring Operation: 94-53=41, Resulting Numbers: [2, 41] Generated Node #3: [2, 41] from Operation: 94-53=41 Current State: 39:[2, 41], Operations: ['56/28=2', '94-53=41'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[28, 56, 94, 53], Operations: [] Exploring Operation: 94-56=38, Resulting Numbers: [28, 53, 38] Generated Node #0,0: 39:[28, 53, 38] Operation: 94-56=38 Exploring Operation: 94-28=66, Resulting Numbers: [56, 53, 66] Generated Node #0,1: 39:[56, 53, 66] Operation: 94-28=66 Exploring Operation: 94-53=41, Resulting Numbers: [28, 56, 41] Generated Node #0,2: 39:[28, 56, 41] Operation: 94-53=41 Exploring Operation: 56/28=2, Resulting Numbers: [94, 53, 2] Generated Node #0,3: 39:[94, 53, 2] Operation: 56/28=2 Exploring Operation: 56-53=3, Resulting Numbers: [28, 94, 3] Generated Node #0,4: 39:[28, 94, 3] Operation: 56-53=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[28, 53, 38], Operations: ['94-56=38'] Exploring Operation: 53-38=15, Resulting Numbers: [28, 15] Generated Node #0,0,0: 39:[28, 15] Operation: 53-38=15 Exploring Operation: 28+38=66, Resulting Numbers: [53, 66] Generated Node #0,0,1: 39:[53, 66] Operation: 28+38=66 Exploring Operation: 53-28=25, Resulting Numbers: [38, 25] Generated Node #0,0,2: 39:[38, 25] Operation: 53-28=25 Exploring Operation: 38-28=10, Resulting Numbers: [53, 10] Generated Node #0,0,3: 39:[53, 10] Operation: 38-28=10 Exploring Operation: 28+53=81, Resulting Numbers: [38, 81] Generated Node #0,0,4: 39:[38, 81] Operation: 28+53=81 Moving to Node #0,0,0 Current State: 39:[28, 15], Operations: ['94-56=38', '53-38=15'] Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,39 unequal: No Solution Exploring Operation: 28+15=43, Resulting Numbers: [43] 43,39 unequal: No Solution Exploring Operation: 28*15=420, Resulting Numbers: [420] 420,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[38, 25], Operations: ['94-56=38', '53-28=25'] Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,39 unequal: No Solution Exploring Operation: 38*25=950, Resulting Numbers: [950] 950,39 unequal: No Solution Exploring Operation: 38+25=63, Resulting Numbers: [63] 63,39 unequal: No Solution Moving to Node #0,0,3 Current State: 39:[53, 10], Operations: ['94-56=38', '38-28=10'] Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,39 unequal: No Solution Exploring Operation: 53+10=63, Resulting Numbers: [63] 63,39 unequal: No Solution Exploring Operation: 53*10=530, Resulting Numbers: [530] 530,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[53, 66], Operations: ['94-56=38', '28+38=66'] Exploring Operation: 66-53=13, Resulting Numbers: [13] 13,39 unequal: No Solution Exploring Operation: 53*66=3498, Resulting Numbers: [3498] 3498,39 unequal: No Solution Exploring Operation: 53+66=119, Resulting Numbers: [119] 119,39 unequal: No Solution Moving to Node #0,0,4 Current State: 39:[38, 81], Operations: ['94-56=38', '28+53=81'] Exploring Operation: 38+81=119, Resulting Numbers: [119] 119,39 unequal: No Solution Exploring Operation: 38*81=3078, Resulting Numbers: [3078] 3078,39 unequal: No Solution Exploring Operation: 81-38=43, Resulting Numbers: [43] 43,39 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:[28, 56, 41], Operations: ['94-53=41'] Exploring Operation: 56-28=28, Resulting Numbers: [41, 28] Generated Node #0,2,0: 39:[41, 28] Operation: 56-28=28 Exploring Operation: 56/28=2, Resulting Numbers: [41, 2] Generated Node #0,2,1: 39:[41, 2] Operation: 56/28=2 Exploring Operation: 41-28=13, Resulting Numbers: [56, 13] Generated Node #0,2,2: 39:[56, 13] Operation: 41-28=13 Exploring Operation: 28+56=84, Resulting Numbers: [41, 84] Generated Node #0,2,3: 39:[41, 84] Operation: 28+56=84 Exploring Operation: 56-41=15, Resulting Numbers: [28, 15] Generated Node #0,2,4: 39:[28, 15] Operation: 56-41=15 Moving to Node #0,2,1 Current State: 39:[41, 2], Operations: ['94-53=41', '56/28=2'] Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,39 unequal: No Solution Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,39 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[28, 56, 94, 53], Operations: [] Exploring Operation: 94-53=41, Resulting Numbers: [28, 56, 41] Generated Node #0,2: 39:[28, 56, 41] Operation: 94-53=41 Moving to Node #0,2 Current State: 39:[28, 56, 41], Operations: ['94-53=41'] Exploring Operation: 56/28=2, Resulting Numbers: [41, 2] Generated Node #0,2,1: 39:[41, 2] Operation: 56/28=2 Moving to Node #0,2,1 Current State: 39:[41, 2], Operations: ['94-53=41', '56/28=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 87, 63, 90, 19 ]
47
[ "87-63=24", "90-19=71", "71-24=47" ]
Current State: 47:[87, 63, 90, 19], Operations: [] Exploring Operation: 87-63=24, Resulting Numbers: [90, 19, 24] Generated Node #2: [90, 19, 24] from Operation: 87-63=24 Current State: 47:[90, 19, 24], Operations: ['87-63=24'] Exploring Operation: 90-19=71, Resulting Numbers: [24, 71] Generated Node #3: [24, 71] from Operation: 90-19=71 Current State: 47:[24, 71], Operations: ['87-63=24', '90-19=71'] Exploring Operation: 71-24=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[87, 63, 90, 19], Operations: [] Exploring Operation: 87-19=68, Resulting Numbers: [63, 90, 68] Generated Node #0,0: 47:[63, 90, 68] Operation: 87-19=68 Exploring Operation: 63-19=44, Resulting Numbers: [87, 90, 44] Generated Node #0,1: 47:[87, 90, 44] Operation: 63-19=44 Exploring Operation: 90-19=71, Resulting Numbers: [87, 63, 71] Generated Node #0,2: 47:[87, 63, 71] Operation: 90-19=71 Moving to Node #0,0 Current State: 47:[63, 90, 68], Operations: ['87-19=68'] Exploring Operation: 90-63=27, Resulting Numbers: [68, 27] Generated Node #0,0,0: 47:[68, 27] Operation: 90-63=27 Exploring Operation: 90-68=22, Resulting Numbers: [63, 22] Generated Node #0,0,1: 47:[63, 22] Operation: 90-68=22 Exploring Operation: 68-63=5, Resulting Numbers: [90, 5] Generated Node #0,0,2: 47:[90, 5] Operation: 68-63=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[68, 27], Operations: ['87-19=68', '90-63=27'] Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 68+27=95, Resulting Numbers: [95] 95,47 unequal: No Solution Exploring Operation: 68*27=1836, Resulting Numbers: [1836] 1836,47 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 #0,0,1 Current State: 47:[63, 22], Operations: ['87-19=68', '90-68=22'] Exploring Operation: 63+22=85, Resulting Numbers: [85] 85,47 unequal: No Solution Exploring Operation: 63-22=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 63*22=1386, Resulting Numbers: [1386] 1386,47 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 #0,0,2 Current State: 47:[90, 5], Operations: ['87-19=68', '68-63=5'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,47 unequal: No Solution Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,47 unequal: No Solution Exploring Operation: 90+5=95, Resulting Numbers: [95] 95,47 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: 47:[87, 63, 71], Operations: ['90-19=71'] Exploring Operation: 87-71=16, Resulting Numbers: [63, 16] Generated Node #0,2,0: 47:[63, 16] Operation: 87-71=16 Exploring Operation: 87-63=24, Resulting Numbers: [71, 24] Generated Node #0,2,1: 47:[71, 24] Operation: 87-63=24 Exploring Operation: 71-63=8, Resulting Numbers: [87, 8] Generated Node #0,2,2: 47:[87, 8] Operation: 71-63=8 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[63, 16], Operations: ['90-19=71', '87-71=16'] Exploring Operation: 63+16=79, Resulting Numbers: [79] 79,47 unequal: No Solution Exploring Operation: 63*16=1008, Resulting Numbers: [1008] 1008,47 unequal: No Solution Exploring Operation: 63-16=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[87, 63, 90, 19], Operations: [] Exploring Operation: 90-19=71, Resulting Numbers: [87, 63, 71] Generated Node #0,2: 47:[87, 63, 71] Operation: 90-19=71 Moving to Node #0,2 Current State: 47:[87, 63, 71], Operations: ['90-19=71'] Exploring Operation: 87-71=16, Resulting Numbers: [63, 16] Generated Node #0,2,0: 47:[63, 16] Operation: 87-71=16 Moving to Node #0,2,0 Current State: 47:[63, 16], Operations: ['90-19=71', '87-71=16'] Exploring Operation: 63-16=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
sum_heuristic
[ 20, 14, 73, 98 ]
70
[ "20+73=93", "98-93=5", "14*5=70" ]
Current State: 70:[20, 14, 73, 98], Operations: [] Exploring Operation: 20+73=93, Resulting Numbers: [14, 98, 93] Generated Node #2: [14, 98, 93] from Operation: 20+73=93 Current State: 70:[14, 98, 93], Operations: ['20+73=93'] Exploring Operation: 98-93=5, Resulting Numbers: [14, 5] Generated Node #3: [14, 5] from Operation: 98-93=5 Current State: 70:[14, 5], Operations: ['20+73=93', '98-93=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[20, 14, 73, 98], Operations: [] Exploring Operation: 98/14=7, Resulting Numbers: [20, 73, 7] Generated Node #0,0: 70:[20, 73, 7] Operation: 98/14=7 Exploring Operation: 98-20=78, Resulting Numbers: [14, 73, 78] Generated Node #0,1: 70:[14, 73, 78] Operation: 98-20=78 Moving to Node #0,0 Current State: 70:[20, 73, 7], Operations: ['98/14=7'] Exploring Operation: 73-7=66, Resulting Numbers: [20, 66] Generated Node #0,0,0: 70:[20, 66] Operation: 73-7=66 Exploring Operation: 20-7=13, Resulting Numbers: [73, 13] Generated Node #0,0,1: 70:[73, 13] Operation: 20-7=13 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 70:[73, 13], Operations: ['98/14=7', '20-7=13'] Exploring Operation: 73-13=60, Resulting Numbers: [60] 60,70 unequal: No Solution Exploring Operation: 73+13=86, Resulting Numbers: [86] 86,70 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 #0,0,0 Current State: 70:[20, 66], Operations: ['98/14=7', '73-7=66'] Exploring Operation: 66-20=46, Resulting Numbers: [46] 46,70 unequal: No Solution Exploring Operation: 20+66=86, Resulting Numbers: [86] 86,70 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: 70:[14, 73, 78], Operations: ['98-20=78'] Exploring Operation: 78-14=64, Resulting Numbers: [73, 64] Generated Node #0,1,0: 70:[73, 64] Operation: 78-14=64 Exploring Operation: 78-73=5, Resulting Numbers: [14, 5] Generated Node #0,1,1: 70:[14, 5] Operation: 78-73=5 Moving to Node #0,1,1 Current State: 70:[14, 5], Operations: ['98-20=78', '78-73=5'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[20, 14, 73, 98], Operations: [] Exploring Operation: 98-20=78, Resulting Numbers: [14, 73, 78] Generated Node #0,1: 70:[14, 73, 78] Operation: 98-20=78 Moving to Node #0,1 Current State: 70:[14, 73, 78], Operations: ['98-20=78'] Exploring Operation: 78-73=5, Resulting Numbers: [14, 5] Generated Node #0,1,1: 70:[14, 5] Operation: 78-73=5 Moving to Node #0,1,1 Current State: 70:[14, 5], Operations: ['98-20=78', '78-73=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 30, 70, 72, 63 ]
91
[ "30+70=100", "72-63=9", "100-9=91" ]
Current State: 91:[30, 70, 72, 63], Operations: [] Exploring Operation: 30+70=100, Resulting Numbers: [72, 63, 100] Generated Node #2: [72, 63, 100] from Operation: 30+70=100 Current State: 91:[72, 63, 100], Operations: ['30+70=100'] Exploring Operation: 72-63=9, Resulting Numbers: [100, 9] Generated Node #3: [100, 9] from Operation: 72-63=9 Current State: 91:[100, 9], Operations: ['30+70=100', '72-63=9'] Exploring Operation: 100-9=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[30, 70, 72, 63], Operations: [] Exploring Operation: 30+70=100, Resulting Numbers: [72, 63, 100] Generated Node #0,0: 91:[72, 63, 100] Operation: 30+70=100 Exploring Operation: 70-63=7, Resulting Numbers: [30, 72, 7] Generated Node #0,1: 91:[30, 72, 7] Operation: 70-63=7 Exploring Operation: 30+63=93, Resulting Numbers: [70, 72, 93] Generated Node #0,2: 91:[70, 72, 93] Operation: 30+63=93 Exploring Operation: 72-70=2, Resulting Numbers: [30, 63, 2] Generated Node #0,3: 91:[30, 63, 2] Operation: 72-70=2 Exploring Operation: 72-63=9, Resulting Numbers: [30, 70, 9] Generated Node #0,4: 91:[30, 70, 9] Operation: 72-63=9 Moving to Node #0,1 Current State: 91:[30, 72, 7], Operations: ['70-63=7'] Exploring Operation: 72-30=42, Resulting Numbers: [7, 42] Generated Node #0,1,0: 91:[7, 42] Operation: 72-30=42 Exploring Operation: 30-7=23, Resulting Numbers: [72, 23] Generated Node #0,1,1: 91:[72, 23] Operation: 30-7=23 Exploring Operation: 30+7=37, Resulting Numbers: [72, 37] Generated Node #0,1,2: 91:[72, 37] Operation: 30+7=37 Exploring Operation: 30+72=102, Resulting Numbers: [7, 102] Generated Node #0,1,3: 91:[7, 102] Operation: 30+72=102 Exploring Operation: 72+7=79, Resulting Numbers: [30, 79] Generated Node #0,1,4: 91:[30, 79] Operation: 72+7=79 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 91:[7, 102], Operations: ['70-63=7', '30+72=102'] Exploring Operation: 7+102=109, Resulting Numbers: [109] 109,91 unequal: No Solution Exploring Operation: 7*102=714, Resulting Numbers: [714] 714,91 unequal: No Solution Exploring Operation: 102-7=95, Resulting Numbers: [95] 95,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 91:[7, 42], Operations: ['70-63=7', '72-30=42'] Exploring Operation: 7*42=294, Resulting Numbers: [294] 294,91 unequal: No Solution Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,91 unequal: No Solution Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 91:[72, 23], Operations: ['70-63=7', '30-7=23'] Exploring Operation: 72+23=95, Resulting Numbers: [95] 95,91 unequal: No Solution Exploring Operation: 72*23=1656, Resulting Numbers: [1656] 1656,91 unequal: No Solution Exploring Operation: 72-23=49, Resulting Numbers: [49] 49,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 91:[30, 79], Operations: ['70-63=7', '72+7=79'] Exploring Operation: 30*79=2370, Resulting Numbers: [2370] 2370,91 unequal: No Solution Exploring Operation: 79-30=49, Resulting Numbers: [49] 49,91 unequal: No Solution Exploring Operation: 30+79=109, Resulting Numbers: [109] 109,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 91:[72, 37], Operations: ['70-63=7', '30+7=37'] Exploring Operation: 72*37=2664, Resulting Numbers: [2664] 2664,91 unequal: No Solution Exploring Operation: 72+37=109, Resulting Numbers: [109] 109,91 unequal: No Solution Exploring Operation: 72-37=35, Resulting Numbers: [35] 35,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 91:[30, 70, 9], Operations: ['72-63=9'] Exploring Operation: 30+70=100, Resulting Numbers: [9, 100] Generated Node #0,4,0: 91:[9, 100] Operation: 30+70=100 Exploring Operation: 70-30=40, Resulting Numbers: [9, 40] Generated Node #0,4,1: 91:[9, 40] Operation: 70-30=40 Exploring Operation: 30+9=39, Resulting Numbers: [70, 39] Generated Node #0,4,2: 91:[70, 39] Operation: 30+9=39 Exploring Operation: 70+9=79, Resulting Numbers: [30, 79] Generated Node #0,4,3: 91:[30, 79] Operation: 70+9=79 Exploring Operation: 30-9=21, Resulting Numbers: [70, 21] Generated Node #0,4,4: 91:[70, 21] Operation: 30-9=21 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 91:[9, 100], Operations: ['72-63=9', '30+70=100'] Exploring Operation: 100-9=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[30, 70, 72, 63], Operations: [] Exploring Operation: 72-63=9, Resulting Numbers: [30, 70, 9] Generated Node #0,4: 91:[30, 70, 9] Operation: 72-63=9 Moving to Node #0,4 Current State: 91:[30, 70, 9], Operations: ['72-63=9'] Exploring Operation: 30+70=100, Resulting Numbers: [9, 100] Generated Node #0,4,0: 91:[9, 100] Operation: 30+70=100 Moving to Node #0,4,0 Current State: 91:[9, 100], Operations: ['72-63=9', '30+70=100'] Exploring Operation: 100-9=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 13, 87, 52, 16 ]
32
[ "13+87=100", "52+16=68", "100-68=32" ]
Current State: 32:[13, 87, 52, 16], Operations: [] Exploring Operation: 13+87=100, Resulting Numbers: [52, 16, 100] Generated Node #2: [52, 16, 100] from Operation: 13+87=100 Current State: 32:[52, 16, 100], Operations: ['13+87=100'] Exploring Operation: 52+16=68, Resulting Numbers: [100, 68] Generated Node #3: [100, 68] from Operation: 52+16=68 Current State: 32:[100, 68], Operations: ['13+87=100', '52+16=68'] Exploring Operation: 100-68=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[13, 87, 52, 16], Operations: [] Exploring Operation: 52/13=4, Resulting Numbers: [87, 16, 4] Generated Node #0,0: 32:[87, 16, 4] Operation: 52/13=4 Exploring Operation: 87-52=35, Resulting Numbers: [13, 16, 35] Generated Node #0,1: 32:[13, 16, 35] Operation: 87-52=35 Exploring Operation: 52-13=39, Resulting Numbers: [87, 16, 39] Generated Node #0,2: 32:[87, 16, 39] Operation: 52-13=39 Exploring Operation: 87-13=74, Resulting Numbers: [52, 16, 74] Generated Node #0,3: 32:[52, 16, 74] Operation: 87-13=74 Moving to Node #0,1 Current State: 32:[13, 16, 35], Operations: ['87-52=35'] Exploring Operation: 35-13=22, Resulting Numbers: [16, 22] Generated Node #0,1,0: 32:[16, 22] Operation: 35-13=22 Exploring Operation: 13+16=29, Resulting Numbers: [35, 29] Generated Node #0,1,1: 32:[35, 29] Operation: 13+16=29 Exploring Operation: 35-16=19, Resulting Numbers: [13, 19] Generated Node #0,1,2: 32:[13, 19] Operation: 35-16=19 Exploring Operation: 16-13=3, Resulting Numbers: [35, 3] Generated Node #0,1,3: 32:[35, 3] Operation: 16-13=3 Moving to Node #0,0 Current State: 32:[87, 16, 4], Operations: ['52/13=4'] Exploring Operation: 87-4=83, Resulting Numbers: [16, 83] Generated Node #0,0,0: 32:[16, 83] Operation: 87-4=83 Exploring Operation: 87-16=71, Resulting Numbers: [4, 71] Generated Node #0,0,1: 32:[4, 71] Operation: 87-16=71 Exploring Operation: 87+4=91, Resulting Numbers: [16, 91] Generated Node #0,0,2: 32:[16, 91] Operation: 87+4=91 Exploring Operation: 16/4=4, Resulting Numbers: [87, 4] Generated Node #0,0,3: 32:[87, 4] Operation: 16/4=4 Moving to Node #0,3 Current State: 32:[52, 16, 74], Operations: ['87-13=74'] Exploring Operation: 74-52=22, Resulting Numbers: [16, 22] Generated Node #0,3,0: 32:[16, 22] Operation: 74-52=22 Exploring Operation: 52-16=36, Resulting Numbers: [74, 36] Generated Node #0,3,1: 32:[74, 36] Operation: 52-16=36 Exploring Operation: 74-16=58, Resulting Numbers: [52, 58] Generated Node #0,3,2: 32:[52, 58] Operation: 74-16=58 Exploring Operation: 52+16=68, Resulting Numbers: [74, 68] Generated Node #0,3,3: 32:[74, 68] Operation: 52+16=68 Moving to Node #0,2 Current State: 32:[87, 16, 39], Operations: ['52-13=39'] Exploring Operation: 39-16=23, Resulting Numbers: [87, 23] Generated Node #0,2,0: 32:[87, 23] Operation: 39-16=23 Exploring Operation: 87+16=103, Resulting Numbers: [39, 103] Generated Node #0,2,1: 32:[39, 103] Operation: 87+16=103 Exploring Operation: 87-16=71, Resulting Numbers: [39, 71] Generated Node #0,2,2: 32:[39, 71] Operation: 87-16=71 Exploring Operation: 87-39=48, Resulting Numbers: [16, 48] Generated Node #0,2,3: 32:[16, 48] Operation: 87-39=48 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 32:[16, 48], Operations: ['52-13=39', '87-39=48'] Exploring Operation: 16+48=64, Resulting Numbers: [64] 64,32 unequal: No Solution Exploring Operation: 16*48=768, Resulting Numbers: [768] 768,32 unequal: No Solution Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[13, 87, 52, 16], Operations: [] Exploring Operation: 52-13=39, Resulting Numbers: [87, 16, 39] Generated Node #0,2: 32:[87, 16, 39] Operation: 52-13=39 Moving to Node #0,2 Current State: 32:[87, 16, 39], Operations: ['52-13=39'] Exploring Operation: 87-39=48, Resulting Numbers: [16, 48] Generated Node #0,2,3: 32:[16, 48] Operation: 87-39=48 Moving to Node #0,2,3 Current State: 32:[16, 48], Operations: ['52-13=39', '87-39=48'] Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_4
sum_heuristic
[ 33, 2, 8, 69 ]
22
[ "33-8=25", "69-25=44", "44/2=22" ]
Current State: 22:[33, 2, 8, 69], Operations: [] Exploring Operation: 33-8=25, Resulting Numbers: [2, 69, 25] Generated Node #2: [2, 69, 25] from Operation: 33-8=25 Current State: 22:[2, 69, 25], Operations: ['33-8=25'] Exploring Operation: 69-25=44, Resulting Numbers: [2, 44] Generated Node #3: [2, 44] from Operation: 69-25=44 Current State: 22:[2, 44], Operations: ['33-8=25', '69-25=44'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[33, 2, 8, 69], Operations: [] Exploring Operation: 2+8=10, Resulting Numbers: [33, 69, 10] Generated Node #0,0: 22:[33, 69, 10] Operation: 2+8=10 Exploring Operation: 33-8=25, Resulting Numbers: [2, 69, 25] Generated Node #0,1: 22:[2, 69, 25] Operation: 33-8=25 Exploring Operation: 33-2=31, Resulting Numbers: [8, 69, 31] Generated Node #0,2: 22:[8, 69, 31] Operation: 33-2=31 Exploring Operation: 69-8=61, Resulting Numbers: [33, 2, 61] Generated Node #0,3: 22:[33, 2, 61] Operation: 69-8=61 Exploring Operation: 69-33=36, Resulting Numbers: [2, 8, 36] Generated Node #0,4: 22:[2, 8, 36] Operation: 69-33=36 Start Sub Search at level 1: Moving to Node #0,4 Current State: 22:[2, 8, 36], Operations: ['69-33=36'] Exploring Operation: 36-8=28, Resulting Numbers: [2, 28] Generated Node #0,4,0: 22:[2, 28] Operation: 36-8=28 Exploring Operation: 36-2=34, Resulting Numbers: [8, 34] Generated Node #0,4,1: 22:[8, 34] Operation: 36-2=34 Exploring Operation: 36/2=18, Resulting Numbers: [8, 18] Generated Node #0,4,2: 22:[8, 18] Operation: 36/2=18 Exploring Operation: 2+8=10, Resulting Numbers: [36, 10] Generated Node #0,4,3: 22:[36, 10] Operation: 2+8=10 Exploring Operation: 8/2=4, Resulting Numbers: [36, 4] Generated Node #0,4,4: 22:[36, 4] Operation: 8/2=4 Moving to Node #0,4,0 Current State: 22:[2, 28], Operations: ['69-33=36', '36-8=28'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,22 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,22 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,22 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,22 unequal: No Solution Moving to Node #0,4,2 Current State: 22:[8, 18], Operations: ['69-33=36', '36/2=18'] Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,22 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,22 unequal: No Solution Moving to Node #0,4,1 Current State: 22:[8, 34], Operations: ['69-33=36', '36-2=34'] Exploring Operation: 8+34=42, Resulting Numbers: [42] 42,22 unequal: No Solution Exploring Operation: 8*34=272, Resulting Numbers: [272] 272,22 unequal: No Solution Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,22 unequal: No Solution Moving to Node #0,4,3 Current State: 22:[36, 10], Operations: ['69-33=36', '2+8=10'] Exploring Operation: 36+10=46, Resulting Numbers: [46] 46,22 unequal: No Solution Exploring Operation: 36*10=360, Resulting Numbers: [360] 360,22 unequal: No Solution Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,22 unequal: No Solution Moving to Node #0,4,4 Current State: 22:[36, 4], Operations: ['69-33=36', '8/2=4'] Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,22 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,22 unequal: No Solution Exploring Operation: 36*4=144, Resulting Numbers: [144] 144,22 unequal: No Solution Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[2, 69, 25], Operations: ['33-8=25'] Exploring Operation: 69-2=67, Resulting Numbers: [25, 67] Generated Node #0,1,0: 22:[25, 67] Operation: 69-2=67 Exploring Operation: 2+69=71, Resulting Numbers: [25, 71] Generated Node #0,1,1: 22:[25, 71] Operation: 2+69=71 Exploring Operation: 69-25=44, Resulting Numbers: [2, 44] Generated Node #0,1,2: 22:[2, 44] Operation: 69-25=44 Exploring Operation: 25-2=23, Resulting Numbers: [69, 23] Generated Node #0,1,3: 22:[69, 23] Operation: 25-2=23 Exploring Operation: 2+25=27, Resulting Numbers: [69, 27] Generated Node #0,1,4: 22:[69, 27] Operation: 2+25=27 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 22:[2, 44], Operations: ['33-8=25', '69-25=44'] Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,22 unequal: No Solution Exploring Operation: 2*44=88, Resulting Numbers: [88] 88,22 unequal: No Solution Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[33, 2, 8, 69], Operations: [] Exploring Operation: 33-8=25, Resulting Numbers: [2, 69, 25] Generated Node #0,1: 22:[2, 69, 25] Operation: 33-8=25 Moving to Node #0,1 Current State: 22:[2, 69, 25], Operations: ['33-8=25'] Exploring Operation: 69-25=44, Resulting Numbers: [2, 44] Generated Node #0,1,2: 22:[2, 44] Operation: 69-25=44 Moving to Node #0,1,2 Current State: 22:[2, 44], Operations: ['33-8=25', '69-25=44'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.966146
hs_5
sum_heuristic
[ 13, 50, 90, 95 ]
60
[ "13+95=108", "50*108=5400", "5400/90=60" ]
Current State: 60:[13, 50, 90, 95], Operations: [] Exploring Operation: 13+95=108, Resulting Numbers: [50, 90, 108] Generated Node #2: [50, 90, 108] from Operation: 13+95=108 Current State: 60:[50, 90, 108], Operations: ['13+95=108'] Exploring Operation: 50*108=5400, Resulting Numbers: [90, 5400] Generated Node #3: [90, 5400] from Operation: 50*108=5400 Current State: 60:[90, 5400], Operations: ['13+95=108', '50*108=5400'] Exploring Operation: 5400/90=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[13, 50, 90, 95], Operations: [] Exploring Operation: 95-90=5, Resulting Numbers: [13, 50, 5] Generated Node #0,0: 60:[13, 50, 5] Operation: 95-90=5 Exploring Operation: 95-13=82, Resulting Numbers: [50, 90, 82] Generated Node #0,1: 60:[50, 90, 82] Operation: 95-13=82 Exploring Operation: 90-50=40, Resulting Numbers: [13, 95, 40] Generated Node #0,2: 60:[13, 95, 40] Operation: 90-50=40 Exploring Operation: 90-13=77, Resulting Numbers: [50, 95, 77] Generated Node #0,3: 60:[50, 95, 77] Operation: 90-13=77 Exploring Operation: 95-50=45, Resulting Numbers: [13, 90, 45] Generated Node #0,4: 60:[13, 90, 45] Operation: 95-50=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[13, 50, 5], Operations: ['95-90=5'] Exploring Operation: 13+5=18, Resulting Numbers: [50, 18] Generated Node #0,0,0: 60:[50, 18] Operation: 13+5=18 Exploring Operation: 50/5=10, Resulting Numbers: [13, 10] Generated Node #0,0,1: 60:[13, 10] Operation: 50/5=10 Exploring Operation: 50+5=55, Resulting Numbers: [13, 55] Generated Node #0,0,2: 60:[13, 55] Operation: 50+5=55 Exploring Operation: 13+50=63, Resulting Numbers: [5, 63] Generated Node #0,0,3: 60:[5, 63] Operation: 13+50=63 Exploring Operation: 50-13=37, Resulting Numbers: [5, 37] Generated Node #0,0,4: 60:[5, 37] Operation: 50-13=37 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 60:[13, 10], Operations: ['95-90=5', '50/5=10'] Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 13*10=130, Resulting Numbers: [130] 130,60 unequal: No Solution Exploring Operation: 13+10=23, Resulting Numbers: [23] 23,60 unequal: No Solution No 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: 60:[5, 63], Operations: ['95-90=5', '13+50=63'] Exploring Operation: 5+63=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 5*63=315, Resulting Numbers: [315] 315,60 unequal: No Solution Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,60 unequal: No Solution No 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: 60:[13, 55], Operations: ['95-90=5', '50+5=55'] Exploring Operation: 13*55=715, Resulting Numbers: [715] 715,60 unequal: No Solution Exploring Operation: 13+55=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 55-13=42, Resulting Numbers: [42] 42,60 unequal: No Solution No 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: 60:[5, 37], Operations: ['95-90=5', '50-13=37'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,60 unequal: No Solution Exploring Operation: 5*37=185, Resulting Numbers: [185] 185,60 unequal: No Solution No 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: 60:[50, 18], Operations: ['95-90=5', '13+5=18'] Exploring Operation: 50-18=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 50*18=900, Resulting Numbers: [900] 900,60 unequal: No Solution Exploring Operation: 50+18=68, Resulting Numbers: [68] 68,60 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: 60:[13, 95, 40], Operations: ['90-50=40'] Exploring Operation: 95-13=82, Resulting Numbers: [40, 82] Generated Node #0,2,0: 60:[40, 82] Operation: 95-13=82 Exploring Operation: 40-13=27, Resulting Numbers: [95, 27] Generated Node #0,2,1: 60:[95, 27] Operation: 40-13=27 Exploring Operation: 13+95=108, Resulting Numbers: [40, 108] Generated Node #0,2,2: 60:[40, 108] Operation: 13+95=108 Exploring Operation: 95-40=55, Resulting Numbers: [13, 55] Generated Node #0,2,3: 60:[13, 55] Operation: 95-40=55 Exploring Operation: 13+40=53, Resulting Numbers: [95, 53] Generated Node #0,2,4: 60:[95, 53] Operation: 13+40=53 Moving to Node #0,2,3 Current State: 60:[13, 55], Operations: ['90-50=40', '95-40=55'] Exploring Operation: 13*55=715, Resulting Numbers: [715] 715,60 unequal: No Solution Exploring Operation: 13+55=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 55-13=42, Resulting Numbers: [42] 42,60 unequal: No Solution Moving to Node #0,2,0 Current State: 60:[40, 82], Operations: ['90-50=40', '95-13=82'] Exploring Operation: 40+82=122, Resulting Numbers: [122] 122,60 unequal: No Solution Exploring Operation: 40*82=3280, Resulting Numbers: [3280] 3280,60 unequal: No Solution Exploring Operation: 82-40=42, Resulting Numbers: [42] 42,60 unequal: No Solution Moving to Node #0,2,1 Current State: 60:[95, 27], Operations: ['90-50=40', '40-13=27'] Exploring Operation: 95*27=2565, Resulting Numbers: [2565] 2565,60 unequal: No Solution Exploring Operation: 95-27=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 95+27=122, Resulting Numbers: [122] 122,60 unequal: No Solution Moving to Node #0,2,4 Current State: 60:[95, 53], Operations: ['90-50=40', '13+40=53'] Exploring Operation: 95+53=148, Resulting Numbers: [148] 148,60 unequal: No Solution Exploring Operation: 95*53=5035, Resulting Numbers: [5035] 5035,60 unequal: No Solution Exploring Operation: 95-53=42, Resulting Numbers: [42] 42,60 unequal: No Solution Moving to Node #0,2,2 Current State: 60:[40, 108], Operations: ['90-50=40', '13+95=108'] Exploring Operation: 40*108=4320, Resulting Numbers: [4320] 4320,60 unequal: No Solution Exploring Operation: 40+108=148, Resulting Numbers: [148] 148,60 unequal: No Solution Exploring Operation: 108-40=68, Resulting Numbers: [68] 68,60 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 #0,4 Current State: 60:[13, 90, 45], Operations: ['95-50=45'] Exploring Operation: 90-45=45, Resulting Numbers: [13, 45] Generated Node #0,4,0: 60:[13, 45] Operation: 90-45=45 Exploring Operation: 45-13=32, Resulting Numbers: [90, 32] Generated Node #0,4,1: 60:[90, 32] Operation: 45-13=32 Exploring Operation: 90-13=77, Resulting Numbers: [45, 77] Generated Node #0,4,2: 60:[45, 77] Operation: 90-13=77 Exploring Operation: 90/45=2, Resulting Numbers: [13, 2] Generated Node #0,4,3: 60:[13, 2] Operation: 90/45=2 Exploring Operation: 13+45=58, Resulting Numbers: [90, 58] Generated Node #0,4,4: 60:[90, 58] Operation: 13+45=58 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 60:[13, 2], Operations: ['95-50=45', '90/45=2'] Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,60 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,60 unequal: No Solution No 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: 60:[13, 45], Operations: ['95-50=45', '90-45=45'] Exploring Operation: 13*45=585, Resulting Numbers: [585] 585,60 unequal: No Solution Exploring Operation: 13+45=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,60 unequal: No Solution No 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: 60:[90, 32], Operations: ['95-50=45', '45-13=32'] Exploring Operation: 90+32=122, Resulting Numbers: [122] 122,60 unequal: No Solution Exploring Operation: 90*32=2880, Resulting Numbers: [2880] 2880,60 unequal: No Solution Exploring Operation: 90-32=58, Resulting Numbers: [58] 58,60 unequal: No Solution No 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: 60:[45, 77], Operations: ['95-50=45', '90-13=77'] Exploring Operation: 45+77=122, Resulting Numbers: [122] 122,60 unequal: No Solution Exploring Operation: 77-45=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 45*77=3465, Resulting Numbers: [3465] 3465,60 unequal: No Solution No 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: 60:[90, 58], Operations: ['95-50=45', '13+45=58'] Exploring Operation: 90-58=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 90*58=5220, Resulting Numbers: [5220] 5220,60 unequal: No Solution Exploring Operation: 90+58=148, Resulting Numbers: [148] 148,60 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: 60:[50, 90, 82], Operations: ['95-13=82'] Exploring Operation: 82-50=32, Resulting Numbers: [90, 32] Generated Node #0,1,0: 60:[90, 32] Operation: 82-50=32 Exploring Operation: 90-50=40, Resulting Numbers: [82, 40] Generated Node #0,1,1: 60:[82, 40] Operation: 90-50=40 Exploring Operation: 50+82=132, Resulting Numbers: [90, 132] Generated Node #0,1,2: 60:[90, 132] Operation: 50+82=132 Exploring Operation: 90-82=8, Resulting Numbers: [50, 8] Generated Node #0,1,3: 60:[50, 8] Operation: 90-82=8 Exploring Operation: 50+90=140, Resulting Numbers: [82, 140] Generated Node #0,1,4: 60:[82, 140] Operation: 50+90=140 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 60:[50, 8], Operations: ['95-13=82', '90-82=8'] Exploring Operation: 50*8=400, Resulting Numbers: [400] 400,60 unequal: No Solution Exploring Operation: 50+8=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 50-8=42, Resulting Numbers: [42] 42,60 unequal: No Solution No 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: 60:[90, 32], Operations: ['95-13=82', '82-50=32'] Exploring Operation: 90+32=122, Resulting Numbers: [122] 122,60 unequal: No Solution Exploring Operation: 90*32=2880, Resulting Numbers: [2880] 2880,60 unequal: No Solution Exploring Operation: 90-32=58, Resulting Numbers: [58] 58,60 unequal: No Solution No 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: 60:[82, 40], Operations: ['95-13=82', '90-50=40'] Exploring Operation: 82+40=122, Resulting Numbers: [122] 122,60 unequal: No Solution Exploring Operation: 82*40=3280, Resulting Numbers: [3280] 3280,60 unequal: No Solution Exploring Operation: 82-40=42, Resulting Numbers: [42] 42,60 unequal: No Solution No 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: 60:[90, 132], Operations: ['95-13=82', '50+82=132'] Exploring Operation: 90+132=222, Resulting Numbers: [222] 222,60 unequal: No Solution Exploring Operation: 90*132=11880, Resulting Numbers: [11880] 11880,60 unequal: No Solution Exploring Operation: 132-90=42, Resulting Numbers: [42] 42,60 unequal: No Solution No 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: 60:[82, 140], Operations: ['95-13=82', '50+90=140'] Exploring Operation: 140-82=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 82+140=222, Resulting Numbers: [222] 222,60 unequal: No Solution Exploring Operation: 82*140=11480, Resulting Numbers: [11480] 11480,60 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: 60:[50, 95, 77], Operations: ['90-13=77'] Exploring Operation: 77-50=27, Resulting Numbers: [95, 27] Generated Node #0,3,0: 60:[95, 27] Operation: 77-50=27 Exploring Operation: 50+77=127, Resulting Numbers: [95, 127] Generated Node #0,3,1: 60:[95, 127] Operation: 50+77=127 Exploring Operation: 95-77=18, Resulting Numbers: [50, 18] Generated Node #0,3,2: 60:[50, 18] Operation: 95-77=18 Exploring Operation: 95-50=45, Resulting Numbers: [77, 45] Generated Node #0,3,3: 60:[77, 45] Operation: 95-50=45 Exploring Operation: 50+95=145, Resulting Numbers: [77, 145] Generated Node #0,3,4: 60:[77, 145] Operation: 50+95=145 Moving to Node #0,3,2 Current State: 60:[50, 18], Operations: ['90-13=77', '95-77=18'] Exploring Operation: 50-18=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 50+18=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 50*18=900, Resulting Numbers: [900] 900,60 unequal: No Solution Moving to Node #0,3,3 Current State: 60:[77, 45], Operations: ['90-13=77', '95-50=45'] Exploring Operation: 77*45=3465, Resulting Numbers: [3465] 3465,60 unequal: No Solution Exploring Operation: 77+45=122, Resulting Numbers: [122] 122,60 unequal: No Solution Exploring Operation: 77-45=32, Resulting Numbers: [32] 32,60 unequal: No Solution Moving to Node #0,3,0 Current State: 60:[95, 27], Operations: ['90-13=77', '77-50=27'] Exploring Operation: 95-27=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 95*27=2565, Resulting Numbers: [2565] 2565,60 unequal: No Solution Exploring Operation: 95+27=122, Resulting Numbers: [122] 122,60 unequal: No Solution Moving to Node #0,3,1 Current State: 60:[95, 127], Operations: ['90-13=77', '50+77=127'] Exploring Operation: 127-95=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 95+127=222, Resulting Numbers: [222] 222,60 unequal: No Solution Exploring Operation: 95*127=12065, Resulting Numbers: [12065] 12065,60 unequal: No Solution Moving to Node #0,3,4 Current State: 60:[77, 145], Operations: ['90-13=77', '50+95=145'] Exploring Operation: 77*145=11165, Resulting Numbers: [11165] 11165,60 unequal: No Solution Exploring Operation: 77+145=222, Resulting Numbers: [222] 222,60 unequal: No Solution Exploring Operation: 145-77=68, Resulting Numbers: [68] 68,60 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
[ 75, 39, 81, 8 ]
41
[ "75+39=114", "81-8=73", "114-73=41" ]
Current State: 41:[75, 39, 81, 8], Operations: [] Exploring Operation: 75+39=114, Resulting Numbers: [81, 8, 114] Generated Node #2: [81, 8, 114] from Operation: 75+39=114 Current State: 41:[81, 8, 114], Operations: ['75+39=114'] Exploring Operation: 81-8=73, Resulting Numbers: [114, 73] Generated Node #3: [114, 73] from Operation: 81-8=73 Current State: 41:[114, 73], Operations: ['75+39=114', '81-8=73'] Exploring Operation: 114-73=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[75, 39, 81, 8], Operations: [] Exploring Operation: 75-8=67, Resulting Numbers: [39, 81, 67] Generated Node #0,0: 41:[39, 81, 67] Operation: 75-8=67 Exploring Operation: 81-8=73, Resulting Numbers: [75, 39, 73] Generated Node #0,1: 41:[75, 39, 73] Operation: 81-8=73 Exploring Operation: 81-39=42, Resulting Numbers: [75, 8, 42] Generated Node #0,2: 41:[75, 8, 42] Operation: 81-39=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[39, 81, 67], Operations: ['75-8=67'] Exploring Operation: 67-39=28, Resulting Numbers: [81, 28] Generated Node #0,0,0: 41:[81, 28] Operation: 67-39=28 Exploring Operation: 81-39=42, Resulting Numbers: [67, 42] Generated Node #0,0,1: 41:[67, 42] Operation: 81-39=42 Exploring Operation: 81-67=14, Resulting Numbers: [39, 14] Generated Node #0,0,2: 41:[39, 14] Operation: 81-67=14 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 41:[67, 42], Operations: ['75-8=67', '81-39=42'] Exploring Operation: 67-42=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 67+42=109, Resulting Numbers: [109] 109,41 unequal: No Solution Exploring Operation: 67*42=2814, Resulting Numbers: [2814] 2814,41 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:[39, 14], Operations: ['75-8=67', '81-67=14'] Exploring Operation: 39+14=53, Resulting Numbers: [53] 53,41 unequal: No Solution Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 39*14=546, Resulting Numbers: [546] 546,41 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 #0,0,0 Current State: 41:[81, 28], Operations: ['75-8=67', '67-39=28'] Exploring Operation: 81-28=53, Resulting Numbers: [53] 53,41 unequal: No Solution Exploring Operation: 81*28=2268, Resulting Numbers: [2268] 2268,41 unequal: No Solution Exploring Operation: 81+28=109, Resulting Numbers: [109] 109,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[75, 39, 73], Operations: ['81-8=73'] Exploring Operation: 73-39=34, Resulting Numbers: [75, 34] Generated Node #0,1,0: 41:[75, 34] Operation: 73-39=34 Exploring Operation: 75-39=36, Resulting Numbers: [73, 36] Generated Node #0,1,1: 41:[73, 36] Operation: 75-39=36 Exploring Operation: 75-73=2, Resulting Numbers: [39, 2] Generated Node #0,1,2: 41:[39, 2] Operation: 75-73=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 41:[73, 36], Operations: ['81-8=73', '75-39=36'] Exploring Operation: 73*36=2628, Resulting Numbers: [2628] 2628,41 unequal: No Solution Exploring Operation: 73-36=37, Resulting Numbers: [37] 37,41 unequal: No Solution Exploring Operation: 73+36=109, Resulting Numbers: [109] 109,41 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 #0,1,0 Current State: 41:[75, 34], Operations: ['81-8=73', '73-39=34'] Exploring Operation: 75+34=109, Resulting Numbers: [109] 109,41 unequal: No Solution Exploring Operation: 75*34=2550, Resulting Numbers: [2550] 2550,41 unequal: No Solution Exploring Operation: 75-34=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[75, 39, 81, 8], Operations: [] Exploring Operation: 81-8=73, Resulting Numbers: [75, 39, 73] Generated Node #0,1: 41:[75, 39, 73] Operation: 81-8=73 Moving to Node #0,1 Current State: 41:[75, 39, 73], Operations: ['81-8=73'] Exploring Operation: 73-39=34, Resulting Numbers: [75, 34] Generated Node #0,1,0: 41:[75, 34] Operation: 73-39=34 Moving to Node #0,1,0 Current State: 41:[75, 34], Operations: ['81-8=73', '73-39=34'] Exploring Operation: 75-34=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.975694
hs_3
sum_heuristic
[ 72, 75, 5, 56 ]
96
[ "72+75=147", "56-5=51", "147-51=96" ]
Current State: 96:[72, 75, 5, 56], Operations: [] Exploring Operation: 72+75=147, Resulting Numbers: [5, 56, 147] Generated Node #2: [5, 56, 147] from Operation: 72+75=147 Current State: 96:[5, 56, 147], Operations: ['72+75=147'] Exploring Operation: 56-5=51, Resulting Numbers: [147, 51] Generated Node #3: [147, 51] from Operation: 56-5=51 Current State: 96:[147, 51], Operations: ['72+75=147', '56-5=51'] Exploring Operation: 147-51=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[72, 75, 5, 56], Operations: [] Exploring Operation: 72-56=16, Resulting Numbers: [75, 5, 16] Generated Node #0,0: 96:[75, 5, 16] Operation: 72-56=16 Exploring Operation: 75-72=3, Resulting Numbers: [5, 56, 3] Generated Node #0,1: 96:[5, 56, 3] Operation: 75-72=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[5, 56, 3], Operations: ['75-72=3'] Exploring Operation: 56-5=51, Resulting Numbers: [3, 51] Generated Node #0,1,0: 96:[3, 51] Operation: 56-5=51 Exploring Operation: 56-3=53, Resulting Numbers: [5, 53] Generated Node #0,1,1: 96:[5, 53] Operation: 56-3=53 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 96:[3, 51], Operations: ['75-72=3', '56-5=51'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,96 unequal: No Solution No 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: 96:[5, 53], Operations: ['75-72=3', '56-3=53'] Exploring Operation: 5+53=58, Resulting Numbers: [58] 58,96 unequal: No Solution Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,96 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: 96:[75, 5, 16], Operations: ['72-56=16'] Exploring Operation: 75+16=91, Resulting Numbers: [5, 91] Generated Node #0,0,0: 96:[5, 91] Operation: 75+16=91 Exploring Operation: 75/5=15, Resulting Numbers: [16, 15] Generated Node #0,0,1: 96:[16, 15] Operation: 75/5=15 Moving to Node #0,0,1 Current State: 96:[16, 15], Operations: ['72-56=16', '75/5=15'] Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,96 unequal: No Solution Moving to Node #0,0,0 Current State: 96:[5, 91], Operations: ['72-56=16', '75+16=91'] Exploring Operation: 5+91=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[72, 75, 5, 56], Operations: [] Exploring Operation: 72-56=16, Resulting Numbers: [75, 5, 16] Generated Node #0,0: 96:[75, 5, 16] Operation: 72-56=16 Moving to Node #0,0 Current State: 96:[75, 5, 16], Operations: ['72-56=16'] Exploring Operation: 75+16=91, Resulting Numbers: [5, 91] Generated Node #0,0,0: 96:[5, 91] Operation: 75+16=91 Moving to Node #0,0,0 Current State: 96:[5, 91], Operations: ['72-56=16', '75+16=91'] Exploring Operation: 5+91=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_2
sum_heuristic