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
[ 63, 19, 61, 55 ]
10
[ "63-55=8", "19+61=80", "80/8=10" ]
Current State: 10:[63, 19, 61, 55], Operations: [] Exploring Operation: 63-55=8, Resulting Numbers: [19, 61, 8] Generated Node #2: [19, 61, 8] from Operation: 63-55=8 Current State: 10:[19, 61, 8], Operations: ['63-55=8'] Exploring Operation: 19+61=80, Resulting Numbers: [8, 80] Generated Node #3: [8, 80] from Operation: 19+61=80 Current State: 10:[8, 80], Operations: ['63-55=8', '19+61=80'] Exploring Operation: 80/8=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[63, 19, 61, 55], Operations: [] Exploring Operation: 63-55=8, Resulting Numbers: [19, 61, 8] Generated Node #0,0: 10:[19, 61, 8] Operation: 63-55=8 Exploring Operation: 61-55=6, Resulting Numbers: [63, 19, 6] Generated Node #0,1: 10:[63, 19, 6] Operation: 61-55=6 Exploring Operation: 63-61=2, Resulting Numbers: [19, 55, 2] Generated Node #0,2: 10:[19, 55, 2] Operation: 63-61=2 Moving to Node #0,2 Current State: 10:[19, 55, 2], Operations: ['63-61=2'] Exploring Operation: 19-2=17, Resulting Numbers: [55, 17] Generated Node #0,2,0: 10:[55, 17] Operation: 19-2=17 Exploring Operation: 55-19=36, Resulting Numbers: [2, 36] Generated Node #0,2,1: 10:[2, 36] Operation: 55-19=36 Exploring Operation: 55-2=53, Resulting Numbers: [19, 53] Generated Node #0,2,2: 10:[19, 53] Operation: 55-2=53 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 10:[2, 36], Operations: ['63-61=2', '55-19=36'] Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,10 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 10:[55, 17], Operations: ['63-61=2', '19-2=17'] Exploring Operation: 55-17=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 55+17=72, Resulting Numbers: [72] 72,10 unequal: No Solution Exploring Operation: 55*17=935, Resulting Numbers: [935] 935,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 10:[19, 53], Operations: ['63-61=2', '55-2=53'] Exploring Operation: 19+53=72, Resulting Numbers: [72] 72,10 unequal: No Solution Exploring Operation: 19*53=1007, Resulting Numbers: [1007] 1007,10 unequal: No Solution Exploring Operation: 53-19=34, Resulting Numbers: [34] 34,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 10:[19, 61, 8], Operations: ['63-55=8'] Exploring Operation: 61-8=53, Resulting Numbers: [19, 53] Generated Node #0,0,0: 10:[19, 53] Operation: 61-8=53 Exploring Operation: 19-8=11, Resulting Numbers: [61, 11] Generated Node #0,0,1: 10:[61, 11] Operation: 19-8=11 Exploring Operation: 61-19=42, Resulting Numbers: [8, 42] Generated Node #0,0,2: 10:[8, 42] Operation: 61-19=42 Moving to Node #0,1 Current State: 10:[63, 19, 6], Operations: ['61-55=6'] Exploring Operation: 63-6=57, Resulting Numbers: [19, 57] Generated Node #0,1,0: 10:[19, 57] Operation: 63-6=57 Exploring Operation: 19-6=13, Resulting Numbers: [63, 13] Generated Node #0,1,1: 10:[63, 13] Operation: 19-6=13 Exploring Operation: 63-19=44, Resulting Numbers: [6, 44] Generated Node #0,1,2: 10:[6, 44] Operation: 63-19=44 Moving to Node #0,0,2 Current State: 10:[8, 42], Operations: ['63-55=8', '61-19=42'] Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,10 unequal: No Solution Exploring Operation: 8+42=50, Resulting Numbers: [50] 50,10 unequal: No Solution Exploring Operation: 8*42=336, Resulting Numbers: [336] 336,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[6, 44], Operations: ['61-55=6', '63-19=44'] Exploring Operation: 6+44=50, Resulting Numbers: [50] 50,10 unequal: No Solution Exploring Operation: 6*44=264, Resulting Numbers: [264] 264,10 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[61, 11], Operations: ['63-55=8', '19-8=11'] Exploring Operation: 61*11=671, Resulting Numbers: [671] 671,10 unequal: No Solution Exploring Operation: 61-11=50, Resulting Numbers: [50] 50,10 unequal: No Solution Exploring Operation: 61+11=72, Resulting Numbers: [72] 72,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[19, 53], Operations: ['63-55=8', '61-8=53'] Exploring Operation: 19+53=72, Resulting Numbers: [72] 72,10 unequal: No Solution Exploring Operation: 19*53=1007, Resulting Numbers: [1007] 1007,10 unequal: No Solution Exploring Operation: 53-19=34, Resulting Numbers: [34] 34,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[63, 13], Operations: ['61-55=6', '19-6=13'] Exploring Operation: 63+13=76, Resulting Numbers: [76] 76,10 unequal: No Solution Exploring Operation: 63*13=819, Resulting Numbers: [819] 819,10 unequal: No Solution Exploring Operation: 63-13=50, Resulting Numbers: [50] 50,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[19, 57], Operations: ['61-55=6', '63-6=57'] Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 19+57=76, Resulting Numbers: [76] 76,10 unequal: No Solution Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,10 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 34, 37, 90, 51 ]
81
[ "37-34=3", "90/3=30", "51+30=81" ]
Current State: 81:[34, 37, 90, 51], Operations: [] Exploring Operation: 37-34=3, Resulting Numbers: [90, 51, 3] Generated Node #2: [90, 51, 3] from Operation: 37-34=3 Current State: 81:[90, 51, 3], Operations: ['37-34=3'] Exploring Operation: 90/3=30, Resulting Numbers: [51, 30] Generated Node #3: [51, 30] from Operation: 90/3=30 Current State: 81:[51, 30], Operations: ['37-34=3', '90/3=30'] Exploring Operation: 51+30=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[34, 37, 90, 51], Operations: [] Exploring Operation: 51-37=14, Resulting Numbers: [34, 90, 14] Generated Node #0,0: 81:[34, 90, 14] Operation: 51-37=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[34, 90, 14], Operations: ['51-37=14'] Exploring Operation: 90-14=76, Resulting Numbers: [34, 76] Generated Node #0,0,0: 81:[34, 76] Operation: 90-14=76 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[34, 76], Operations: ['51-37=14', '90-14=76'] Exploring Operation: 76-34=42, Resulting Numbers: [42] 42,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 65, 8, 26, 43 ]
40
[ "65-8=57", "43-26=17", "57-17=40" ]
Current State: 40:[65, 8, 26, 43], Operations: [] Exploring Operation: 65-8=57, Resulting Numbers: [26, 43, 57] Generated Node #2: [26, 43, 57] from Operation: 65-8=57 Current State: 40:[26, 43, 57], Operations: ['65-8=57'] Exploring Operation: 43-26=17, Resulting Numbers: [57, 17] Generated Node #3: [57, 17] from Operation: 43-26=17 Current State: 40:[57, 17], Operations: ['65-8=57', '43-26=17'] Exploring Operation: 57-17=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[65, 8, 26, 43], Operations: [] Exploring Operation: 65-8=57, Resulting Numbers: [26, 43, 57] Generated Node #0,0: 40:[26, 43, 57] Operation: 65-8=57 Exploring Operation: 65-26=39, Resulting Numbers: [8, 43, 39] Generated Node #0,1: 40:[8, 43, 39] Operation: 65-26=39 Exploring Operation: 65-43=22, Resulting Numbers: [8, 26, 22] Generated Node #0,2: 40:[8, 26, 22] Operation: 65-43=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[8, 43, 39], Operations: ['65-26=39'] Exploring Operation: 43-8=35, Resulting Numbers: [39, 35] Generated Node #0,1,0: 40:[39, 35] Operation: 43-8=35 Exploring Operation: 8+39=47, Resulting Numbers: [43, 47] Generated Node #0,1,1: 40:[43, 47] Operation: 8+39=47 Exploring Operation: 43-39=4, Resulting Numbers: [8, 4] Generated Node #0,1,2: 40:[8, 4] Operation: 43-39=4 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 40:[8, 4], Operations: ['65-26=39', '43-39=4'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,40 unequal: No Solution Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,40 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,40 unequal: No Solution No 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: 40:[39, 35], Operations: ['65-26=39', '43-8=35'] Exploring Operation: 39+35=74, Resulting Numbers: [74] 74,40 unequal: No Solution Exploring Operation: 39-35=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 39*35=1365, Resulting Numbers: [1365] 1365,40 unequal: No Solution No 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: 40:[43, 47], Operations: ['65-26=39', '8+39=47'] Exploring Operation: 47-43=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 43+47=90, Resulting Numbers: [90] 90,40 unequal: No Solution Exploring Operation: 43*47=2021, Resulting Numbers: [2021] 2021,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 40:[8, 26, 22], Operations: ['65-43=22'] Exploring Operation: 26-8=18, Resulting Numbers: [22, 18] Generated Node #0,2,0: 40:[22, 18] Operation: 26-8=18 Exploring Operation: 8+26=34, Resulting Numbers: [22, 34] Generated Node #0,2,1: 40:[22, 34] Operation: 8+26=34 Exploring Operation: 26-22=4, Resulting Numbers: [8, 4] Generated Node #0,2,2: 40:[8, 4] Operation: 26-22=4 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 40:[8, 4], Operations: ['65-43=22', '26-22=4'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,40 unequal: No Solution Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,40 unequal: No Solution No 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: 40:[22, 18], Operations: ['65-43=22', '26-8=18'] Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 22+18=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[65, 8, 26, 43], Operations: [] Exploring Operation: 65-43=22, Resulting Numbers: [8, 26, 22] Generated Node #0,2: 40:[8, 26, 22] Operation: 65-43=22 Moving to Node #0,2 Current State: 40:[8, 26, 22], Operations: ['65-43=22'] Exploring Operation: 26-8=18, Resulting Numbers: [22, 18] Generated Node #0,2,0: 40:[22, 18] Operation: 26-8=18 Moving to Node #0,2,0 Current State: 40:[22, 18], Operations: ['65-43=22', '26-8=18'] Exploring Operation: 22+18=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.976563
hs_3
sum_heuristic
[ 21, 85, 18, 1 ]
81
[ "85-21=64", "18-1=17", "64+17=81" ]
Current State: 81:[21, 85, 18, 1], Operations: [] Exploring Operation: 85-21=64, Resulting Numbers: [18, 1, 64] Generated Node #2: [18, 1, 64] from Operation: 85-21=64 Current State: 81:[18, 1, 64], Operations: ['85-21=64'] Exploring Operation: 18-1=17, Resulting Numbers: [64, 17] Generated Node #3: [64, 17] from Operation: 18-1=17 Current State: 81:[64, 17], Operations: ['85-21=64', '18-1=17'] Exploring Operation: 64+17=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[21, 85, 18, 1], Operations: [] Exploring Operation: 21-18=3, Resulting Numbers: [85, 1, 3] Generated Node #0,0: 81:[85, 1, 3] Operation: 21-18=3 Moving to Node #0,0 Current State: 81:[85, 1, 3], Operations: ['21-18=3'] Exploring Operation: 85-1=84, Resulting Numbers: [3, 84] Generated Node #0,0,0: 81:[3, 84] Operation: 85-1=84 Moving to Node #0,0,0 Current State: 81:[3, 84], Operations: ['21-18=3', '85-1=84'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[21, 85, 18, 1], Operations: [] Exploring Operation: 21-18=3, Resulting Numbers: [85, 1, 3] Generated Node #0,0: 81:[85, 1, 3] Operation: 21-18=3 Moving to Node #0,0 Current State: 81:[85, 1, 3], Operations: ['21-18=3'] Exploring Operation: 85-1=84, Resulting Numbers: [3, 84] Generated Node #0,0,0: 81:[3, 84] Operation: 85-1=84 Moving to Node #0,0,0 Current State: 81:[3, 84], Operations: ['21-18=3', '85-1=84'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 55, 98, 6, 78 ]
76
[ "55-6=49", "98/49=2", "78-2=76" ]
Current State: 76:[55, 98, 6, 78], Operations: [] Exploring Operation: 55-6=49, Resulting Numbers: [98, 78, 49] Generated Node #2: [98, 78, 49] from Operation: 55-6=49 Current State: 76:[98, 78, 49], Operations: ['55-6=49'] Exploring Operation: 98/49=2, Resulting Numbers: [78, 2] Generated Node #3: [78, 2] from Operation: 98/49=2 Current State: 76:[78, 2], Operations: ['55-6=49', '98/49=2'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[55, 98, 6, 78], Operations: [] Exploring Operation: 98-78=20, Resulting Numbers: [55, 6, 20] Generated Node #0,0: 76:[55, 6, 20] Operation: 98-78=20 Exploring Operation: 98-55=43, Resulting Numbers: [6, 78, 43] Generated Node #0,1: 76:[6, 78, 43] Operation: 98-55=43 Moving to Node #0,1 Current State: 76:[6, 78, 43], Operations: ['98-55=43'] Exploring Operation: 43-6=37, Resulting Numbers: [78, 37] Generated Node #0,1,0: 76:[78, 37] Operation: 43-6=37 Exploring Operation: 78-43=35, Resulting Numbers: [6, 35] Generated Node #0,1,1: 76:[6, 35] Operation: 78-43=35 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 76:[78, 37], Operations: ['98-55=43', '43-6=37'] Exploring Operation: 78+37=115, Resulting Numbers: [115] 115,76 unequal: No Solution Exploring Operation: 78-37=41, Resulting Numbers: [41] 41,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 76:[6, 35], Operations: ['98-55=43', '78-43=35'] Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,76 unequal: No Solution Exploring Operation: 6+35=41, Resulting Numbers: [41] 41,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 76:[55, 6, 20], Operations: ['98-78=20'] Exploring Operation: 55-20=35, Resulting Numbers: [6, 35] Generated Node #0,0,0: 76:[6, 35] Operation: 55-20=35 Exploring Operation: 55+20=75, Resulting Numbers: [6, 75] Generated Node #0,0,1: 76:[6, 75] Operation: 55+20=75 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 76:[6, 75], Operations: ['98-78=20', '55+20=75'] Exploring Operation: 75-6=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 6+75=81, Resulting Numbers: [81] 81,76 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 #0,0,0 Current State: 76:[6, 35], Operations: ['98-78=20', '55-20=35'] Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,76 unequal: No Solution Exploring Operation: 6+35=41, Resulting Numbers: [41] 41,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 20, 55, 45, 76 ]
74
[ "55-45=10", "20/10=2", "76-2=74" ]
Current State: 74:[20, 55, 45, 76], Operations: [] Exploring Operation: 55-45=10, Resulting Numbers: [20, 76, 10] Generated Node #2: [20, 76, 10] from Operation: 55-45=10 Current State: 74:[20, 76, 10], Operations: ['55-45=10'] Exploring Operation: 20/10=2, Resulting Numbers: [76, 2] Generated Node #3: [76, 2] from Operation: 20/10=2 Current State: 74:[76, 2], Operations: ['55-45=10', '20/10=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[20, 55, 45, 76], Operations: [] Exploring Operation: 55-45=10, Resulting Numbers: [20, 76, 10] Generated Node #0,0: 74:[20, 76, 10] Operation: 55-45=10 Exploring Operation: 55-20=35, Resulting Numbers: [45, 76, 35] Generated Node #0,1: 74:[45, 76, 35] Operation: 55-20=35 Exploring Operation: 20+55=75, Resulting Numbers: [45, 76, 75] Generated Node #0,2: 74:[45, 76, 75] Operation: 20+55=75 Moving to Node #0,2 Current State: 74:[45, 76, 75], Operations: ['20+55=75'] Exploring Operation: 76-45=31, Resulting Numbers: [75, 31] Generated Node #0,2,0: 74:[75, 31] Operation: 76-45=31 Exploring Operation: 76-75=1, Resulting Numbers: [45, 1] Generated Node #0,2,1: 74:[45, 1] Operation: 76-75=1 Exploring Operation: 75-45=30, Resulting Numbers: [76, 30] Generated Node #0,2,2: 74:[76, 30] Operation: 75-45=30 Moving to Node #0,1 Current State: 74:[45, 76, 35], Operations: ['55-20=35'] Exploring Operation: 45+35=80, Resulting Numbers: [76, 80] Generated Node #0,1,0: 74:[76, 80] Operation: 45+35=80 Exploring Operation: 76-45=31, Resulting Numbers: [35, 31] Generated Node #0,1,1: 74:[35, 31] Operation: 76-45=31 Exploring Operation: 45-35=10, Resulting Numbers: [76, 10] Generated Node #0,1,2: 74:[76, 10] Operation: 45-35=10 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[76, 80], Operations: ['55-20=35', '45+35=80'] Exploring Operation: 80-76=4, Resulting Numbers: [4] 4,74 unequal: No Solution Exploring Operation: 76*80=6080, Resulting Numbers: [6080] 6080,74 unequal: No Solution Exploring Operation: 76+80=156, Resulting Numbers: [156] 156,74 unequal: No Solution No 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: 74:[35, 31], Operations: ['55-20=35', '76-45=31'] Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,74 unequal: No Solution Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,74 unequal: No Solution Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,74 unequal: No Solution No 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: 74:[76, 10], Operations: ['55-20=35', '45-35=10'] Exploring Operation: 76+10=86, Resulting Numbers: [86] 86,74 unequal: No Solution Exploring Operation: 76*10=760, Resulting Numbers: [760] 760,74 unequal: No Solution Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,74 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: 74:[20, 76, 10], Operations: ['55-45=10'] Exploring Operation: 20-10=10, Resulting Numbers: [76, 10] Generated Node #0,0,0: 74:[76, 10] Operation: 20-10=10 Exploring Operation: 20+10=30, Resulting Numbers: [76, 30] Generated Node #0,0,1: 74:[76, 30] Operation: 20+10=30 Exploring Operation: 20/10=2, Resulting Numbers: [76, 2] Generated Node #0,0,2: 74:[76, 2] Operation: 20/10=2 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 74:[76, 2], Operations: ['55-45=10', '20/10=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[20, 55, 45, 76], Operations: [] Exploring Operation: 55-45=10, Resulting Numbers: [20, 76, 10] Generated Node #0,0: 74:[20, 76, 10] Operation: 55-45=10 Moving to Node #0,0 Current State: 74:[20, 76, 10], Operations: ['55-45=10'] Exploring Operation: 20/10=2, Resulting Numbers: [76, 2] Generated Node #0,0,2: 74:[76, 2] Operation: 20/10=2 Moving to Node #0,0,2 Current State: 74:[76, 2], Operations: ['55-45=10', '20/10=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
mult_heuristic
[ 96, 48, 69, 80 ]
99
[ "96+69=165", "48*165=7920", "7920/80=99" ]
Current State: 99:[96, 48, 69, 80], Operations: [] Exploring Operation: 96+69=165, Resulting Numbers: [48, 80, 165] Generated Node #2: [48, 80, 165] from Operation: 96+69=165 Current State: 99:[48, 80, 165], Operations: ['96+69=165'] Exploring Operation: 48*165=7920, Resulting Numbers: [80, 7920] Generated Node #3: [80, 7920] from Operation: 48*165=7920 Current State: 99:[80, 7920], Operations: ['96+69=165', '48*165=7920'] Exploring Operation: 7920/80=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[96, 48, 69, 80], Operations: [] Exploring Operation: 80-69=11, Resulting Numbers: [96, 48, 11] Generated Node #0,0: 99:[96, 48, 11] Operation: 80-69=11 Moving to Node #0,0 Current State: 99:[96, 48, 11], Operations: ['80-69=11'] Exploring Operation: 96/48=2, Resulting Numbers: [11, 2] Generated Node #0,0,0: 99:[11, 2] Operation: 96/48=2 Moving to Node #0,0,0 Current State: 99:[11, 2], Operations: ['80-69=11', '96/48=2'] Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,99 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 91, 7, 16, 35 ]
56
[ "91-35=56", "7*16=112", "112-56=56" ]
Current State: 56:[91, 7, 16, 35], Operations: [] Exploring Operation: 91-35=56, Resulting Numbers: [7, 16, 56] Generated Node #2: [7, 16, 56] from Operation: 91-35=56 Current State: 56:[7, 16, 56], Operations: ['91-35=56'] Exploring Operation: 7*16=112, Resulting Numbers: [56, 112] Generated Node #3: [56, 112] from Operation: 7*16=112 Current State: 56:[56, 112], Operations: ['91-35=56', '7*16=112'] Exploring Operation: 112-56=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[91, 7, 16, 35], Operations: [] Exploring Operation: 91-35=56, Resulting Numbers: [7, 16, 56] Generated Node #0,0: 56:[7, 16, 56] Operation: 91-35=56 Exploring Operation: 91/7=13, Resulting Numbers: [16, 35, 13] Generated Node #0,1: 56:[16, 35, 13] Operation: 91/7=13 Moving to Node #0,0 Current State: 56:[7, 16, 56], Operations: ['91-35=56'] Exploring Operation: 56/7=8, Resulting Numbers: [16, 8] Generated Node #0,0,0: 56:[16, 8] Operation: 56/7=8 Exploring Operation: 16-7=9, Resulting Numbers: [56, 9] Generated Node #0,0,1: 56:[56, 9] Operation: 16-7=9 Moving to Node #0,1 Current State: 56:[16, 35, 13], Operations: ['91/7=13'] Exploring Operation: 35-16=19, Resulting Numbers: [13, 19] Generated Node #0,1,0: 56:[13, 19] Operation: 35-16=19 Exploring Operation: 16+35=51, Resulting Numbers: [13, 51] Generated Node #0,1,1: 56:[13, 51] Operation: 16+35=51 Moving to Node #0,0,1 Current State: 56:[56, 9], Operations: ['91-35=56', '16-7=9'] Exploring Operation: 56+9=65, Resulting Numbers: [65] 65,56 unequal: No Solution Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[16, 8], Operations: ['91-35=56', '56/7=8'] Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,56 unequal: No Solution Moving to Node #0,1,1 Current State: 56:[13, 51], Operations: ['91/7=13', '16+35=51'] Exploring Operation: 51-13=38, Resulting Numbers: [38] 38,56 unequal: No Solution Exploring Operation: 13+51=64, Resulting Numbers: [64] 64,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[13, 19], Operations: ['91/7=13', '35-16=19'] Exploring Operation: 13+19=32, Resulting Numbers: [32] 32,56 unequal: No Solution Exploring Operation: 19-13=6, Resulting Numbers: [6] 6,56 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 62, 46, 2, 96 ]
33
[ "62+96=158", "158/2=79", "79-46=33" ]
Current State: 33:[62, 46, 2, 96], Operations: [] Exploring Operation: 62+96=158, Resulting Numbers: [46, 2, 158] Generated Node #2: [46, 2, 158] from Operation: 62+96=158 Current State: 33:[46, 2, 158], Operations: ['62+96=158'] Exploring Operation: 158/2=79, Resulting Numbers: [46, 79] Generated Node #3: [46, 79] from Operation: 158/2=79 Current State: 33:[46, 79], Operations: ['62+96=158', '158/2=79'] Exploring Operation: 79-46=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[62, 46, 2, 96], Operations: [] Exploring Operation: 62-46=16, Resulting Numbers: [2, 96, 16] Generated Node #0,0: 33:[2, 96, 16] Operation: 62-46=16 Exploring Operation: 96-46=50, Resulting Numbers: [62, 2, 50] Generated Node #0,1: 33:[62, 2, 50] Operation: 96-46=50 Exploring Operation: 96/2=48, Resulting Numbers: [62, 46, 48] Generated Node #0,2: 33:[62, 46, 48] Operation: 96/2=48 Exploring Operation: 96-62=34, Resulting Numbers: [46, 2, 34] Generated Node #0,3: 33:[46, 2, 34] Operation: 96-62=34 Start Sub Search at level 1: Moving to Node #0,3 Current State: 33:[46, 2, 34], Operations: ['96-62=34'] Exploring Operation: 46-34=12, Resulting Numbers: [2, 12] Generated Node #0,3,0: 33:[2, 12] Operation: 46-34=12 Exploring Operation: 46/2=23, Resulting Numbers: [34, 23] Generated Node #0,3,1: 33:[34, 23] Operation: 46/2=23 Exploring Operation: 46-2=44, Resulting Numbers: [34, 44] Generated Node #0,3,2: 33:[34, 44] Operation: 46-2=44 Exploring Operation: 34-2=32, Resulting Numbers: [46, 32] Generated Node #0,3,3: 33:[46, 32] Operation: 34-2=32 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 33:[2, 12], Operations: ['96-62=34', '46-34=12'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,33 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,33 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 33:[34, 23], Operations: ['96-62=34', '46/2=23'] Exploring Operation: 34*23=782, Resulting Numbers: [782] 782,33 unequal: No Solution Exploring Operation: 34-23=11, Resulting Numbers: [11] 11,33 unequal: No Solution Exploring Operation: 34+23=57, Resulting Numbers: [57] 57,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 33:[34, 44], Operations: ['96-62=34', '46-2=44'] Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 34*44=1496, Resulting Numbers: [1496] 1496,33 unequal: No Solution Exploring Operation: 34+44=78, Resulting Numbers: [78] 78,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 33:[46, 32], Operations: ['96-62=34', '34-2=32'] Exploring Operation: 46+32=78, Resulting Numbers: [78] 78,33 unequal: No Solution Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,33 unequal: No Solution Exploring Operation: 46*32=1472, Resulting Numbers: [1472] 1472,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[62, 2, 50], Operations: ['96-46=50'] Exploring Operation: 50/2=25, Resulting Numbers: [62, 25] Generated Node #0,1,0: 33:[62, 25] Operation: 50/2=25 Exploring Operation: 62-50=12, Resulting Numbers: [2, 12] Generated Node #0,1,1: 33:[2, 12] Operation: 62-50=12 Exploring Operation: 62/2=31, Resulting Numbers: [50, 31] Generated Node #0,1,2: 33:[50, 31] Operation: 62/2=31 Exploring Operation: 62-2=60, Resulting Numbers: [50, 60] Generated Node #0,1,3: 33:[50, 60] Operation: 62-2=60 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 33:[2, 12], Operations: ['96-46=50', '62-50=12'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,33 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,33 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 33:[50, 31], Operations: ['96-46=50', '62/2=31'] Exploring Operation: 50-31=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 50*31=1550, Resulting Numbers: [1550] 1550,33 unequal: No Solution Exploring Operation: 50+31=81, Resulting Numbers: [81] 81,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 33:[62, 25], Operations: ['96-46=50', '50/2=25'] Exploring Operation: 62*25=1550, Resulting Numbers: [1550] 1550,33 unequal: No Solution Exploring Operation: 62+25=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 62-25=37, Resulting Numbers: [37] 37,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 33:[50, 60], Operations: ['96-46=50', '62-2=60'] Exploring Operation: 60-50=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 50*60=3000, Resulting Numbers: [3000] 3000,33 unequal: No Solution Exploring Operation: 50+60=110, Resulting Numbers: [110] 110,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[62, 46, 48], Operations: ['96/2=48'] Exploring Operation: 48-46=2, Resulting Numbers: [62, 2] Generated Node #0,2,0: 33:[62, 2] Operation: 48-46=2 Exploring Operation: 62+46=108, Resulting Numbers: [48, 108] Generated Node #0,2,1: 33:[48, 108] Operation: 62+46=108 Exploring Operation: 62-46=16, Resulting Numbers: [48, 16] Generated Node #0,2,2: 33:[48, 16] Operation: 62-46=16 Exploring Operation: 62-48=14, Resulting Numbers: [46, 14] Generated Node #0,2,3: 33:[46, 14] Operation: 62-48=14 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 33:[46, 14], Operations: ['96/2=48', '62-48=14'] Exploring Operation: 46+14=60, Resulting Numbers: [60] 60,33 unequal: No Solution Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,33 unequal: No Solution Exploring Operation: 46*14=644, Resulting Numbers: [644] 644,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 33:[48, 16], Operations: ['96/2=48', '62-46=16'] Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,33 unequal: No Solution Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,33 unequal: No Solution Exploring Operation: 48+16=64, Resulting Numbers: [64] 64,33 unequal: No Solution Exploring Operation: 48*16=768, Resulting Numbers: [768] 768,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 33:[62, 2], Operations: ['96/2=48', '48-46=2'] Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,33 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,33 unequal: No Solution Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,33 unequal: No Solution Exploring Operation: 62*2=124, Resulting Numbers: [124] 124,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 33:[48, 108], Operations: ['96/2=48', '62+46=108'] Exploring Operation: 48*108=5184, Resulting Numbers: [5184] 5184,33 unequal: No Solution Exploring Operation: 48+108=156, Resulting Numbers: [156] 156,33 unequal: No Solution Exploring Operation: 108-48=60, Resulting Numbers: [60] 60,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[2, 96, 16], Operations: ['62-46=16'] Exploring Operation: 2*16=32, Resulting Numbers: [96, 32] Generated Node #0,0,0: 33:[96, 32] Operation: 2*16=32 Exploring Operation: 96/2=48, Resulting Numbers: [16, 48] Generated Node #0,0,1: 33:[16, 48] Operation: 96/2=48 Exploring Operation: 96/16=6, Resulting Numbers: [2, 6] Generated Node #0,0,2: 33:[2, 6] Operation: 96/16=6 Exploring Operation: 96-16=80, Resulting Numbers: [2, 80] Generated Node #0,0,3: 33:[2, 80] Operation: 96-16=80 Moving to Node #0,0,2 Current State: 33:[2, 6], Operations: ['62-46=16', '96/16=6'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,33 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,33 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,33 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,33 unequal: No Solution Moving to Node #0,0,1 Current State: 33:[16, 48], Operations: ['62-46=16', '96/2=48'] Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,33 unequal: No Solution Exploring Operation: 16*48=768, Resulting Numbers: [768] 768,33 unequal: No Solution Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,33 unequal: No Solution Exploring Operation: 16+48=64, Resulting Numbers: [64] 64,33 unequal: No Solution Moving to Node #0,0,3 Current State: 33:[2, 80], Operations: ['62-46=16', '96-16=80'] Exploring Operation: 2*80=160, Resulting Numbers: [160] 160,33 unequal: No Solution Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,33 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,33 unequal: No Solution Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,33 unequal: No Solution Moving to Node #0,0,0 Current State: 33:[96, 32], Operations: ['62-46=16', '2*16=32'] Exploring Operation: 96+32=128, Resulting Numbers: [128] 128,33 unequal: No Solution Exploring Operation: 96*32=3072, Resulting Numbers: [3072] 3072,33 unequal: No Solution Exploring Operation: 96-32=64, Resulting Numbers: [64] 64,33 unequal: No Solution Exploring Operation: 96/32=3, Resulting Numbers: [3] 3,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 12, 60, 4, 61 ]
49
[ "60-12=48", "48/4=12", "61-12=49" ]
Current State: 49:[12, 60, 4, 61], Operations: [] Exploring Operation: 60-12=48, Resulting Numbers: [4, 61, 48] Generated Node #2: [4, 61, 48] from Operation: 60-12=48 Current State: 49:[4, 61, 48], Operations: ['60-12=48'] Exploring Operation: 48/4=12, Resulting Numbers: [61, 12] Generated Node #3: [61, 12] from Operation: 48/4=12 Current State: 49:[61, 12], Operations: ['60-12=48', '48/4=12'] Exploring Operation: 61-12=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[12, 60, 4, 61], Operations: [] Exploring Operation: 61-12=49, Resulting Numbers: [60, 4, 49] Generated Node #0,0: 49:[60, 4, 49] Operation: 61-12=49 Exploring Operation: 60-12=48, Resulting Numbers: [4, 61, 48] Generated Node #0,1: 49:[4, 61, 48] Operation: 60-12=48 Exploring Operation: 61-60=1, Resulting Numbers: [12, 4, 1] Generated Node #0,2: 49:[12, 4, 1] Operation: 61-60=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[60, 4, 49], Operations: ['61-12=49'] Exploring Operation: 60-49=11, Resulting Numbers: [4, 11] Generated Node #0,0,0: 49:[4, 11] Operation: 60-49=11 Exploring Operation: 60/4=15, Resulting Numbers: [49, 15] Generated Node #0,0,1: 49:[49, 15] Operation: 60/4=15 Exploring Operation: 60-4=56, Resulting Numbers: [49, 56] Generated Node #0,0,2: 49:[49, 56] Operation: 60-4=56 Moving to Node #0,0,0 Current State: 49:[4, 11], Operations: ['61-12=49', '60-49=11'] Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,49 unequal: No Solution Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,49 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,49 unequal: No Solution Moving to Node #0,0,2 Current State: 49:[49, 56], Operations: ['61-12=49', '60-4=56'] Exploring Operation: 56-49=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 49*56=2744, Resulting Numbers: [2744] 2744,49 unequal: No Solution Exploring Operation: 49+56=105, Resulting Numbers: [105] 105,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[49, 15], Operations: ['61-12=49', '60/4=15'] Exploring Operation: 49*15=735, Resulting Numbers: [735] 735,49 unequal: No Solution Exploring Operation: 49+15=64, Resulting Numbers: [64] 64,49 unequal: No Solution Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[12, 4, 1], Operations: ['61-60=1'] Exploring Operation: 12-1=11, Resulting Numbers: [4, 11] Generated Node #0,2,0: 49:[4, 11] Operation: 12-1=11 Exploring Operation: 12-4=8, Resulting Numbers: [1, 8] Generated Node #0,2,1: 49:[1, 8] Operation: 12-4=8 Exploring Operation: 12*4=48, Resulting Numbers: [1, 48] Generated Node #0,2,2: 49:[1, 48] Operation: 12*4=48 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 49:[4, 11], Operations: ['61-60=1', '12-1=11'] Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,49 unequal: No Solution Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 49:[1, 8], Operations: ['61-60=1', '12-4=8'] Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 49:[1, 48], Operations: ['61-60=1', '12*4=48'] Exploring Operation: 1*48=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 1+48=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[12, 60, 4, 61], Operations: [] Exploring Operation: 61-60=1, Resulting Numbers: [12, 4, 1] Generated Node #0,2: 49:[12, 4, 1] Operation: 61-60=1 Moving to Node #0,2 Current State: 49:[12, 4, 1], Operations: ['61-60=1'] Exploring Operation: 12*4=48, Resulting Numbers: [1, 48] Generated Node #0,2,2: 49:[1, 48] Operation: 12*4=48 Moving to Node #0,2,2 Current State: 49:[1, 48], Operations: ['61-60=1', '12*4=48'] Exploring Operation: 1+48=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_3
mult_heuristic
[ 42, 67, 54, 93 ]
14
[ "67-42=25", "93-54=39", "39-25=14" ]
Current State: 14:[42, 67, 54, 93], Operations: [] Exploring Operation: 67-42=25, Resulting Numbers: [54, 93, 25] Generated Node #2: [54, 93, 25] from Operation: 67-42=25 Current State: 14:[54, 93, 25], Operations: ['67-42=25'] Exploring Operation: 93-54=39, Resulting Numbers: [25, 39] Generated Node #3: [25, 39] from Operation: 93-54=39 Current State: 14:[25, 39], Operations: ['67-42=25', '93-54=39'] Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[42, 67, 54, 93], Operations: [] Exploring Operation: 93-54=39, Resulting Numbers: [42, 67, 39] Generated Node #0,0: 14:[42, 67, 39] Operation: 93-54=39 Exploring Operation: 67-54=13, Resulting Numbers: [42, 93, 13] Generated Node #0,1: 14:[42, 93, 13] Operation: 67-54=13 Exploring Operation: 93-67=26, Resulting Numbers: [42, 54, 26] Generated Node #0,2: 14:[42, 54, 26] Operation: 93-67=26 Exploring Operation: 67-42=25, Resulting Numbers: [54, 93, 25] Generated Node #0,3: 14:[54, 93, 25] Operation: 67-42=25 Moving to Node #0,2 Current State: 14:[42, 54, 26], Operations: ['93-67=26'] Exploring Operation: 42+54=96, Resulting Numbers: [26, 96] Generated Node #0,2,0: 14:[26, 96] Operation: 42+54=96 Exploring Operation: 54-42=12, Resulting Numbers: [26, 12] Generated Node #0,2,1: 14:[26, 12] Operation: 54-42=12 Exploring Operation: 42-26=16, Resulting Numbers: [54, 16] Generated Node #0,2,2: 14:[54, 16] Operation: 42-26=16 Exploring Operation: 54-26=28, Resulting Numbers: [42, 28] Generated Node #0,2,3: 14:[42, 28] Operation: 54-26=28 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 14:[26, 12], Operations: ['93-67=26', '54-42=12'] Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,14 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[42, 67, 54, 93], Operations: [] Exploring Operation: 93-67=26, Resulting Numbers: [42, 54, 26] Generated Node #0,2: 14:[42, 54, 26] Operation: 93-67=26 Moving to Node #0,2 Current State: 14:[42, 54, 26], Operations: ['93-67=26'] Exploring Operation: 54-42=12, Resulting Numbers: [26, 12] Generated Node #0,2,1: 14:[26, 12] Operation: 54-42=12 Moving to Node #0,2,1 Current State: 14:[26, 12], Operations: ['93-67=26', '54-42=12'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 16, 43, 22, 66 ]
55
[ "43*22=946", "946-66=880", "880/16=55" ]
Current State: 55:[16, 43, 22, 66], Operations: [] Exploring Operation: 43*22=946, Resulting Numbers: [16, 66, 946] Generated Node #2: [16, 66, 946] from Operation: 43*22=946 Current State: 55:[16, 66, 946], Operations: ['43*22=946'] Exploring Operation: 946-66=880, Resulting Numbers: [16, 880] Generated Node #3: [16, 880] from Operation: 946-66=880 Current State: 55:[16, 880], Operations: ['43*22=946', '946-66=880'] Exploring Operation: 880/16=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[16, 43, 22, 66], Operations: [] Exploring Operation: 66/22=3, Resulting Numbers: [16, 43, 3] Generated Node #0,0: 55:[16, 43, 3] Operation: 66/22=3 Exploring Operation: 22-16=6, Resulting Numbers: [43, 66, 6] Generated Node #0,1: 55:[43, 66, 6] Operation: 22-16=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[16, 43, 3], Operations: ['66/22=3'] Exploring Operation: 16+43=59, Resulting Numbers: [3, 59] Generated Node #0,0,0: 55:[3, 59] Operation: 16+43=59 Exploring Operation: 16-3=13, Resulting Numbers: [43, 13] Generated Node #0,0,1: 55:[43, 13] Operation: 16-3=13 Moving to Node #0,0,0 Current State: 55:[3, 59], Operations: ['66/22=3', '16+43=59'] Exploring Operation: 3+59=62, Resulting Numbers: [62] 62,55 unequal: No Solution Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[43, 13], Operations: ['66/22=3', '16-3=13'] Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,55 unequal: No Solution Exploring Operation: 43+13=56, Resulting Numbers: [56] 56,55 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 #0,1 Current State: 55:[43, 66, 6], Operations: ['22-16=6'] Exploring Operation: 66/6=11, Resulting Numbers: [43, 11] Generated Node #0,1,0: 55:[43, 11] Operation: 66/6=11 Exploring Operation: 66-43=23, Resulting Numbers: [6, 23] Generated Node #0,1,1: 55:[6, 23] Operation: 66-43=23 Moving to Node #0,1,0 Current State: 55:[43, 11], Operations: ['22-16=6', '66/6=11'] Exploring Operation: 43+11=54, Resulting Numbers: [54] 54,55 unequal: No Solution Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[6, 23], Operations: ['22-16=6', '66-43=23'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,55 unequal: No Solution Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 74, 57, 24, 68 ]
96
[ "74-57=17", "24*68=1632", "1632/17=96" ]
Current State: 96:[74, 57, 24, 68], Operations: [] Exploring Operation: 74-57=17, Resulting Numbers: [24, 68, 17] Generated Node #2: [24, 68, 17] from Operation: 74-57=17 Current State: 96:[24, 68, 17], Operations: ['74-57=17'] Exploring Operation: 24*68=1632, Resulting Numbers: [17, 1632] Generated Node #3: [17, 1632] from Operation: 24*68=1632 Current State: 96:[17, 1632], Operations: ['74-57=17', '24*68=1632'] Exploring Operation: 1632/17=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[74, 57, 24, 68], Operations: [] Exploring Operation: 74-68=6, Resulting Numbers: [57, 24, 6] Generated Node #0,0: 96:[57, 24, 6] Operation: 74-68=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[57, 24, 6], Operations: ['74-68=6'] Exploring Operation: 57-24=33, Resulting Numbers: [6, 33] Generated Node #0,0,0: 96:[6, 33] Operation: 57-24=33 Moving to Node #0,0,0 Current State: 96:[6, 33], Operations: ['74-68=6', '57-24=33'] Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,96 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
[ 79, 82, 81, 38 ]
41
[ "79-38=41", "82-81=1", "41*1=41" ]
Current State: 41:[79, 82, 81, 38], Operations: [] Exploring Operation: 79-38=41, Resulting Numbers: [82, 81, 41] Generated Node #2: [82, 81, 41] from Operation: 79-38=41 Current State: 41:[82, 81, 41], Operations: ['79-38=41'] Exploring Operation: 82-81=1, Resulting Numbers: [41, 1] Generated Node #3: [41, 1] from Operation: 82-81=1 Current State: 41:[41, 1], Operations: ['79-38=41', '82-81=1'] Exploring Operation: 41*1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[79, 82, 81, 38], Operations: [] Exploring Operation: 82-81=1, Resulting Numbers: [79, 38, 1] Generated Node #0,0: 41:[79, 38, 1] Operation: 82-81=1 Exploring Operation: 82-79=3, Resulting Numbers: [81, 38, 3] Generated Node #0,1: 41:[81, 38, 3] Operation: 82-79=3 Exploring Operation: 79-38=41, Resulting Numbers: [82, 81, 41] Generated Node #0,2: 41:[82, 81, 41] Operation: 79-38=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[79, 38, 1], Operations: ['82-81=1'] Exploring Operation: 79-38=41, Resulting Numbers: [1, 41] Generated Node #0,0,0: 41:[1, 41] Operation: 79-38=41 Exploring Operation: 79-1=78, Resulting Numbers: [38, 78] Generated Node #0,0,1: 41:[38, 78] Operation: 79-1=78 Exploring Operation: 38+1=39, Resulting Numbers: [79, 39] Generated Node #0,0,2: 41:[79, 39] Operation: 38+1=39 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[1, 41], Operations: ['82-81=1', '79-38=41'] Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[79, 82, 81, 38], Operations: [] Exploring Operation: 82-81=1, Resulting Numbers: [79, 38, 1] Generated Node #0,0: 41:[79, 38, 1] Operation: 82-81=1 Moving to Node #0,0 Current State: 41:[79, 38, 1], Operations: ['82-81=1'] Exploring Operation: 79-38=41, Resulting Numbers: [1, 41] Generated Node #0,0,0: 41:[1, 41] Operation: 79-38=41 Moving to Node #0,0,0 Current State: 41:[1, 41], Operations: ['82-81=1', '79-38=41'] Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 34, 49, 94, 98 ]
58
[ "94-34=60", "98/49=2", "60-2=58" ]
Current State: 58:[34, 49, 94, 98], Operations: [] Exploring Operation: 94-34=60, Resulting Numbers: [49, 98, 60] Generated Node #2: [49, 98, 60] from Operation: 94-34=60 Current State: 58:[49, 98, 60], Operations: ['94-34=60'] Exploring Operation: 98/49=2, Resulting Numbers: [60, 2] Generated Node #3: [60, 2] from Operation: 98/49=2 Current State: 58:[60, 2], Operations: ['94-34=60', '98/49=2'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[34, 49, 94, 98], Operations: [] Exploring Operation: 98/49=2, Resulting Numbers: [34, 94, 2] Generated Node #0,0: 58:[34, 94, 2] Operation: 98/49=2 Exploring Operation: 98-94=4, Resulting Numbers: [34, 49, 4] Generated Node #0,1: 58:[34, 49, 4] Operation: 98-94=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[34, 49, 4], Operations: ['98-94=4'] Exploring Operation: 49+4=53, Resulting Numbers: [34, 53] Generated Node #0,1,0: 58:[34, 53] Operation: 49+4=53 Exploring Operation: 34-4=30, Resulting Numbers: [49, 30] Generated Node #0,1,1: 58:[49, 30] Operation: 34-4=30 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 58:[34, 53], Operations: ['98-94=4', '49+4=53'] Exploring Operation: 34+53=87, Resulting Numbers: [87] 87,58 unequal: No Solution Exploring Operation: 53-34=19, Resulting Numbers: [19] 19,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 58:[49, 30], Operations: ['98-94=4', '34-4=30'] Exploring Operation: 49-30=19, Resulting Numbers: [19] 19,58 unequal: No Solution Exploring Operation: 49+30=79, Resulting Numbers: [79] 79,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[34, 94, 2], Operations: ['98/49=2'] Exploring Operation: 94/2=47, Resulting Numbers: [34, 47] Generated Node #0,0,0: 58:[34, 47] Operation: 94/2=47 Exploring Operation: 94-34=60, Resulting Numbers: [2, 60] Generated Node #0,0,1: 58:[2, 60] Operation: 94-34=60 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 58:[2, 60], Operations: ['98/49=2', '94-34=60'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,58 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[34, 49, 94, 98], Operations: [] Exploring Operation: 98/49=2, Resulting Numbers: [34, 94, 2] Generated Node #0,0: 58:[34, 94, 2] Operation: 98/49=2 Moving to Node #0,0 Current State: 58:[34, 94, 2], Operations: ['98/49=2'] Exploring Operation: 94-34=60, Resulting Numbers: [2, 60] Generated Node #0,0,1: 58:[2, 60] Operation: 94-34=60 Moving to Node #0,0,1 Current State: 58:[2, 60], Operations: ['98/49=2', '94-34=60'] Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 24, 58, 38, 37 ]
14
[ "24*58=1392", "38*37=1406", "1406-1392=14" ]
Current State: 14:[24, 58, 38, 37], Operations: [] Exploring Operation: 24*58=1392, Resulting Numbers: [38, 37, 1392] Generated Node #2: [38, 37, 1392] from Operation: 24*58=1392 Current State: 14:[38, 37, 1392], Operations: ['24*58=1392'] Exploring Operation: 38*37=1406, Resulting Numbers: [1392, 1406] Generated Node #3: [1392, 1406] from Operation: 38*37=1406 Current State: 14:[1392, 1406], Operations: ['24*58=1392', '38*37=1406'] Exploring Operation: 1406-1392=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[24, 58, 38, 37], Operations: [] Exploring Operation: 38-37=1, Resulting Numbers: [24, 58, 1] Generated Node #0,0: 14:[24, 58, 1] Operation: 38-37=1 Exploring Operation: 58-37=21, Resulting Numbers: [24, 38, 21] Generated Node #0,1: 14:[24, 38, 21] Operation: 58-37=21 Exploring Operation: 58-38=20, Resulting Numbers: [24, 37, 20] Generated Node #0,2: 14:[24, 37, 20] Operation: 58-38=20 Moving to Node #0,2 Current State: 14:[24, 37, 20], Operations: ['58-38=20'] Exploring Operation: 24-20=4, Resulting Numbers: [37, 4] Generated Node #0,2,0: 14:[37, 4] Operation: 24-20=4 Exploring Operation: 37-24=13, Resulting Numbers: [20, 13] Generated Node #0,2,1: 14:[20, 13] Operation: 37-24=13 Exploring Operation: 37-20=17, Resulting Numbers: [24, 17] Generated Node #0,2,2: 14:[24, 17] Operation: 37-20=17 Moving to Node #0,1 Current State: 14:[24, 38, 21], Operations: ['58-37=21'] Exploring Operation: 38-24=14, Resulting Numbers: [21, 14] Generated Node #0,1,0: 14:[21, 14] Operation: 38-24=14 Exploring Operation: 38-21=17, Resulting Numbers: [24, 17] Generated Node #0,1,1: 14:[24, 17] Operation: 38-21=17 Exploring Operation: 24-21=3, Resulting Numbers: [38, 3] Generated Node #0,1,2: 14:[38, 3] Operation: 24-21=3 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 14:[21, 14], Operations: ['58-37=21', '38-24=14'] Exploring Operation: 21*14=294, Resulting Numbers: [294] 294,14 unequal: No Solution Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,14 unequal: No Solution Exploring Operation: 21+14=35, Resulting Numbers: [35] 35,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 14:[24, 17], Operations: ['58-37=21', '38-21=17'] Exploring Operation: 24*17=408, Resulting Numbers: [408] 408,14 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,14 unequal: No Solution Exploring Operation: 24+17=41, Resulting Numbers: [41] 41,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 14:[38, 3], Operations: ['58-37=21', '24-21=3'] Exploring Operation: 38+3=41, Resulting Numbers: [41] 41,14 unequal: No Solution Exploring Operation: 38*3=114, Resulting Numbers: [114] 114,14 unequal: No Solution Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,14 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: 14:[24, 58, 1], Operations: ['38-37=1'] Exploring Operation: 58-24=34, Resulting Numbers: [1, 34] Generated Node #0,0,0: 14:[1, 34] Operation: 58-24=34 Exploring Operation: 24-1=23, Resulting Numbers: [58, 23] Generated Node #0,0,1: 14:[58, 23] Operation: 24-1=23 Exploring Operation: 58-1=57, Resulting Numbers: [24, 57] Generated Node #0,0,2: 14:[24, 57] Operation: 58-1=57 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[1, 34], Operations: ['38-37=1', '58-24=34'] Exploring Operation: 1*34=34, Resulting Numbers: [34] 34,14 unequal: No Solution Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,14 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,14 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 #0,0,1 Current State: 14:[58, 23], Operations: ['38-37=1', '24-1=23'] Exploring Operation: 58-23=35, Resulting Numbers: [35] 35,14 unequal: No Solution Exploring Operation: 58+23=81, Resulting Numbers: [81] 81,14 unequal: No Solution Exploring Operation: 58*23=1334, Resulting Numbers: [1334] 1334,14 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 #0,0,2 Current State: 14:[24, 57], Operations: ['38-37=1', '58-1=57'] Exploring Operation: 24*57=1368, Resulting Numbers: [1368] 1368,14 unequal: No Solution Exploring Operation: 57-24=33, Resulting Numbers: [33] 33,14 unequal: No Solution Exploring Operation: 24+57=81, Resulting Numbers: [81] 81,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 14:[20, 13], Operations: ['58-38=20', '37-24=13'] Exploring Operation: 20*13=260, Resulting Numbers: [260] 260,14 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,14 unequal: No Solution Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,14 unequal: No Solution Moving to Node #0,2,2 Current State: 14:[24, 17], Operations: ['58-38=20', '37-20=17'] Exploring Operation: 24*17=408, Resulting Numbers: [408] 408,14 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,14 unequal: No Solution Exploring Operation: 24+17=41, Resulting Numbers: [41] 41,14 unequal: No Solution Moving to Node #0,2,0 Current State: 14:[37, 4], Operations: ['58-38=20', '24-20=4'] Exploring Operation: 37*4=148, Resulting Numbers: [148] 148,14 unequal: No Solution Exploring Operation: 37+4=41, Resulting Numbers: [41] 41,14 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,14 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 2, 26, 84, 78 ]
83
[ "2+84=86", "78/26=3", "86-3=83" ]
Current State: 83:[2, 26, 84, 78], Operations: [] Exploring Operation: 2+84=86, Resulting Numbers: [26, 78, 86] Generated Node #2: [26, 78, 86] from Operation: 2+84=86 Current State: 83:[26, 78, 86], Operations: ['2+84=86'] Exploring Operation: 78/26=3, Resulting Numbers: [86, 3] Generated Node #3: [86, 3] from Operation: 78/26=3 Current State: 83:[86, 3], Operations: ['2+84=86', '78/26=3'] Exploring Operation: 86-3=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[2, 26, 84, 78], Operations: [] Exploring Operation: 2*26=52, Resulting Numbers: [84, 78, 52] Generated Node #0,0: 83:[84, 78, 52] Operation: 2*26=52 Exploring Operation: 2+78=80, Resulting Numbers: [26, 84, 80] Generated Node #0,1: 83:[26, 84, 80] Operation: 2+78=80 Exploring Operation: 2+26=28, Resulting Numbers: [84, 78, 28] Generated Node #0,2: 83:[84, 78, 28] Operation: 2+26=28 Exploring Operation: 84-2=82, Resulting Numbers: [26, 78, 82] Generated Node #0,3: 83:[26, 78, 82] Operation: 84-2=82 Moving to Node #0,0 Current State: 83:[84, 78, 52], Operations: ['2*26=52'] Exploring Operation: 84+52=136, Resulting Numbers: [78, 136] Generated Node #0,0,0: 83:[78, 136] Operation: 84+52=136 Exploring Operation: 84-52=32, Resulting Numbers: [78, 32] Generated Node #0,0,1: 83:[78, 32] Operation: 84-52=32 Exploring Operation: 78-52=26, Resulting Numbers: [84, 26] Generated Node #0,0,2: 83:[84, 26] Operation: 78-52=26 Exploring Operation: 78+52=130, Resulting Numbers: [84, 130] Generated Node #0,0,3: 83:[84, 130] Operation: 78+52=130 Moving to Node #0,2 Current State: 83:[84, 78, 28], Operations: ['2+26=28'] Exploring Operation: 78+28=106, Resulting Numbers: [84, 106] Generated Node #0,2,0: 83:[84, 106] Operation: 78+28=106 Exploring Operation: 84-28=56, Resulting Numbers: [78, 56] Generated Node #0,2,1: 83:[78, 56] Operation: 84-28=56 Exploring Operation: 84+28=112, Resulting Numbers: [78, 112] Generated Node #0,2,2: 83:[78, 112] Operation: 84+28=112 Exploring Operation: 78-28=50, Resulting Numbers: [84, 50] Generated Node #0,2,3: 83:[84, 50] Operation: 78-28=50 Moving to Node #0,1 Current State: 83:[26, 84, 80], Operations: ['2+78=80'] Exploring Operation: 26+84=110, Resulting Numbers: [80, 110] Generated Node #0,1,0: 83:[80, 110] Operation: 26+84=110 Exploring Operation: 80-26=54, Resulting Numbers: [84, 54] Generated Node #0,1,1: 83:[84, 54] Operation: 80-26=54 Exploring Operation: 26+80=106, Resulting Numbers: [84, 106] Generated Node #0,1,2: 83:[84, 106] Operation: 26+80=106 Exploring Operation: 84-26=58, Resulting Numbers: [80, 58] Generated Node #0,1,3: 83:[80, 58] Operation: 84-26=58 Moving to Node #0,3 Current State: 83:[26, 78, 82], Operations: ['84-2=82'] Exploring Operation: 26+82=108, Resulting Numbers: [78, 108] Generated Node #0,3,0: 83:[78, 108] Operation: 26+82=108 Exploring Operation: 26+78=104, Resulting Numbers: [82, 104] Generated Node #0,3,1: 83:[82, 104] Operation: 26+78=104 Exploring Operation: 82-26=56, Resulting Numbers: [78, 56] Generated Node #0,3,2: 83:[78, 56] Operation: 82-26=56 Exploring Operation: 78-26=52, Resulting Numbers: [82, 52] Generated Node #0,3,3: 83:[82, 52] Operation: 78-26=52 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 83:[82, 104], Operations: ['84-2=82', '26+78=104'] Exploring Operation: 82+104=186, Resulting Numbers: [186] 186,83 unequal: No Solution Exploring Operation: 82*104=8528, Resulting Numbers: [8528] 8528,83 unequal: No Solution Exploring Operation: 104-82=22, Resulting Numbers: [22] 22,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 83:[78, 108], Operations: ['84-2=82', '26+82=108'] Exploring Operation: 78*108=8424, Resulting Numbers: [8424] 8424,83 unequal: No Solution Exploring Operation: 78+108=186, Resulting Numbers: [186] 186,83 unequal: No Solution Exploring Operation: 108-78=30, Resulting Numbers: [30] 30,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 83:[78, 56], Operations: ['84-2=82', '82-26=56'] Exploring Operation: 78+56=134, Resulting Numbers: [134] 134,83 unequal: No Solution Exploring Operation: 78-56=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 78*56=4368, Resulting Numbers: [4368] 4368,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 83:[82, 52], Operations: ['84-2=82', '78-26=52'] Exploring Operation: 82+52=134, Resulting Numbers: [134] 134,83 unequal: No Solution Exploring Operation: 82*52=4264, Resulting Numbers: [4264] 4264,83 unequal: No Solution Exploring Operation: 82-52=30, Resulting Numbers: [30] 30,83 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: 83:[84, 106], Operations: ['2+26=28', '78+28=106'] Exploring Operation: 106-84=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 84*106=8904, Resulting Numbers: [8904] 8904,83 unequal: No Solution Exploring Operation: 84+106=190, Resulting Numbers: [190] 190,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[84, 106], Operations: ['2+78=80', '26+80=106'] Exploring Operation: 106-84=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 84+106=190, Resulting Numbers: [190] 190,83 unequal: No Solution Exploring Operation: 84*106=8904, Resulting Numbers: [8904] 8904,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[80, 58], Operations: ['2+78=80', '84-26=58'] Exploring Operation: 80*58=4640, Resulting Numbers: [4640] 4640,83 unequal: No Solution Exploring Operation: 80-58=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 80+58=138, Resulting Numbers: [138] 138,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[84, 54], Operations: ['2+78=80', '80-26=54'] Exploring Operation: 84+54=138, Resulting Numbers: [138] 138,83 unequal: No Solution Exploring Operation: 84-54=30, Resulting Numbers: [30] 30,83 unequal: No Solution Exploring Operation: 84*54=4536, Resulting Numbers: [4536] 4536,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[80, 110], Operations: ['2+78=80', '26+84=110'] Exploring Operation: 110-80=30, Resulting Numbers: [30] 30,83 unequal: No Solution Exploring Operation: 80+110=190, Resulting Numbers: [190] 190,83 unequal: No Solution Exploring Operation: 80*110=8800, Resulting Numbers: [8800] 8800,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[78, 56], Operations: ['2+26=28', '84-28=56'] Exploring Operation: 78*56=4368, Resulting Numbers: [4368] 4368,83 unequal: No Solution Exploring Operation: 78+56=134, Resulting Numbers: [134] 134,83 unequal: No Solution Exploring Operation: 78-56=22, Resulting Numbers: [22] 22,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[78, 112], Operations: ['2+26=28', '84+28=112'] Exploring Operation: 112-78=34, Resulting Numbers: [34] 34,83 unequal: No Solution Exploring Operation: 78+112=190, Resulting Numbers: [190] 190,83 unequal: No Solution Exploring Operation: 78*112=8736, Resulting Numbers: [8736] 8736,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[84, 50], Operations: ['2+26=28', '78-28=50'] Exploring Operation: 84*50=4200, Resulting Numbers: [4200] 4200,83 unequal: No Solution Exploring Operation: 84-50=34, Resulting Numbers: [34] 34,83 unequal: No Solution Exploring Operation: 84+50=134, Resulting Numbers: [134] 134,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[84, 130], Operations: ['2*26=52', '78+52=130'] Exploring Operation: 130-84=46, Resulting Numbers: [46] 46,83 unequal: No Solution Exploring Operation: 84+130=214, Resulting Numbers: [214] 214,83 unequal: No Solution Exploring Operation: 84*130=10920, Resulting Numbers: [10920] 10920,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[78, 32], Operations: ['2*26=52', '84-52=32'] Exploring Operation: 78-32=46, Resulting Numbers: [46] 46,83 unequal: No Solution Exploring Operation: 78+32=110, Resulting Numbers: [110] 110,83 unequal: No Solution Exploring Operation: 78*32=2496, Resulting Numbers: [2496] 2496,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[84, 26], Operations: ['2*26=52', '78-52=26'] Exploring Operation: 84-26=58, Resulting Numbers: [58] 58,83 unequal: No Solution Exploring Operation: 84*26=2184, Resulting Numbers: [2184] 2184,83 unequal: No Solution Exploring Operation: 84+26=110, Resulting Numbers: [110] 110,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[78, 136], Operations: ['2*26=52', '84+52=136'] Exploring Operation: 78*136=10608, Resulting Numbers: [10608] 10608,83 unequal: No Solution Exploring Operation: 78+136=214, Resulting Numbers: [214] 214,83 unequal: No Solution Exploring Operation: 136-78=58, Resulting Numbers: [58] 58,83 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 36, 79, 50, 23 ]
16
[ "79-36=43", "50-23=27", "43-27=16" ]
Current State: 16:[36, 79, 50, 23], Operations: [] Exploring Operation: 79-36=43, Resulting Numbers: [50, 23, 43] Generated Node #2: [50, 23, 43] from Operation: 79-36=43 Current State: 16:[50, 23, 43], Operations: ['79-36=43'] Exploring Operation: 50-23=27, Resulting Numbers: [43, 27] Generated Node #3: [43, 27] from Operation: 50-23=27 Current State: 16:[43, 27], Operations: ['79-36=43', '50-23=27'] Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[36, 79, 50, 23], Operations: [] Exploring Operation: 79-23=56, Resulting Numbers: [36, 50, 56] Generated Node #0,0: 16:[36, 50, 56] Operation: 79-23=56 Exploring Operation: 79-36=43, Resulting Numbers: [50, 23, 43] Generated Node #0,1: 16:[50, 23, 43] Operation: 79-36=43 Exploring Operation: 79-50=29, Resulting Numbers: [36, 23, 29] Generated Node #0,2: 16:[36, 23, 29] Operation: 79-50=29 Exploring Operation: 50-36=14, Resulting Numbers: [79, 23, 14] Generated Node #0,3: 16:[79, 23, 14] Operation: 50-36=14 Moving to Node #0,2 Current State: 16:[36, 23, 29], Operations: ['79-50=29'] Exploring Operation: 36+23=59, Resulting Numbers: [29, 59] Generated Node #0,2,0: 16:[29, 59] Operation: 36+23=59 Exploring Operation: 29-23=6, Resulting Numbers: [36, 6] Generated Node #0,2,1: 16:[36, 6] Operation: 29-23=6 Exploring Operation: 36-23=13, Resulting Numbers: [29, 13] Generated Node #0,2,2: 16:[29, 13] Operation: 36-23=13 Exploring Operation: 36-29=7, Resulting Numbers: [23, 7] Generated Node #0,2,3: 16:[23, 7] Operation: 36-29=7 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 16:[23, 7], Operations: ['79-50=29', '36-29=7'] Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,16 unequal: No Solution Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,16 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[36, 79, 50, 23], Operations: [] Exploring Operation: 79-50=29, Resulting Numbers: [36, 23, 29] Generated Node #0,2: 16:[36, 23, 29] Operation: 79-50=29 Moving to Node #0,2 Current State: 16:[36, 23, 29], Operations: ['79-50=29'] Exploring Operation: 36-29=7, Resulting Numbers: [23, 7] Generated Node #0,2,3: 16:[23, 7] Operation: 36-29=7 Moving to Node #0,2,3 Current State: 16:[23, 7], Operations: ['79-50=29', '36-29=7'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 18, 4, 98, 99 ]
21
[ "18+4=22", "99-98=1", "22-1=21" ]
Current State: 21:[18, 4, 98, 99], Operations: [] Exploring Operation: 18+4=22, Resulting Numbers: [98, 99, 22] Generated Node #2: [98, 99, 22] from Operation: 18+4=22 Current State: 21:[98, 99, 22], Operations: ['18+4=22'] Exploring Operation: 99-98=1, Resulting Numbers: [22, 1] Generated Node #3: [22, 1] from Operation: 99-98=1 Current State: 21:[22, 1], Operations: ['18+4=22', '99-98=1'] Exploring Operation: 22-1=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[18, 4, 98, 99], Operations: [] Exploring Operation: 98-18=80, Resulting Numbers: [4, 99, 80] Generated Node #0,0: 21:[4, 99, 80] Operation: 98-18=80 Exploring Operation: 99-98=1, Resulting Numbers: [18, 4, 1] Generated Node #0,1: 21:[18, 4, 1] Operation: 99-98=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[18, 4, 1], Operations: ['99-98=1'] Exploring Operation: 18+1=19, Resulting Numbers: [4, 19] Generated Node #0,1,0: 21:[4, 19] Operation: 18+1=19 Exploring Operation: 18+4=22, Resulting Numbers: [1, 22] Generated Node #0,1,1: 21:[1, 22] Operation: 18+4=22 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 21:[4, 19], Operations: ['99-98=1', '18+1=19'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,21 unequal: No Solution Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,21 unequal: No Solution No 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: 21:[1, 22], Operations: ['99-98=1', '18+4=22'] Exploring Operation: 22-1=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[18, 4, 98, 99], Operations: [] Exploring Operation: 99-98=1, Resulting Numbers: [18, 4, 1] Generated Node #0,1: 21:[18, 4, 1] Operation: 99-98=1 Moving to Node #0,1 Current State: 21:[18, 4, 1], Operations: ['99-98=1'] Exploring Operation: 18+4=22, Resulting Numbers: [1, 22] Generated Node #0,1,1: 21:[1, 22] Operation: 18+4=22 Moving to Node #0,1,1 Current State: 21:[1, 22], Operations: ['99-98=1', '18+4=22'] Exploring Operation: 22-1=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 15, 79, 5, 85 ]
47
[ "79-15=64", "85/5=17", "64-17=47" ]
Current State: 47:[15, 79, 5, 85], Operations: [] Exploring Operation: 79-15=64, Resulting Numbers: [5, 85, 64] Generated Node #2: [5, 85, 64] from Operation: 79-15=64 Current State: 47:[5, 85, 64], Operations: ['79-15=64'] Exploring Operation: 85/5=17, Resulting Numbers: [64, 17] Generated Node #3: [64, 17] from Operation: 85/5=17 Current State: 47:[64, 17], Operations: ['79-15=64', '85/5=17'] Exploring Operation: 64-17=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[15, 79, 5, 85], Operations: [] Exploring Operation: 85/5=17, Resulting Numbers: [15, 79, 17] Generated Node #0,0: 47:[15, 79, 17] Operation: 85/5=17 Exploring Operation: 79-15=64, Resulting Numbers: [5, 85, 64] Generated Node #0,1: 47:[5, 85, 64] Operation: 79-15=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[15, 79, 17], Operations: ['85/5=17'] Exploring Operation: 15+17=32, Resulting Numbers: [79, 32] Generated Node #0,0,0: 47:[79, 32] Operation: 15+17=32 Exploring Operation: 79-15=64, Resulting Numbers: [17, 64] Generated Node #0,0,1: 47:[17, 64] Operation: 79-15=64 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[79, 32], Operations: ['85/5=17', '15+17=32'] Exploring Operation: 79+32=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 79-32=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[15, 79, 5, 85], Operations: [] Exploring Operation: 85/5=17, Resulting Numbers: [15, 79, 17] Generated Node #0,0: 47:[15, 79, 17] Operation: 85/5=17 Moving to Node #0,0 Current State: 47:[15, 79, 17], Operations: ['85/5=17'] Exploring Operation: 15+17=32, Resulting Numbers: [79, 32] Generated Node #0,0,0: 47:[79, 32] Operation: 15+17=32 Moving to Node #0,0,0 Current State: 47:[79, 32], Operations: ['85/5=17', '15+17=32'] Exploring Operation: 79-32=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 40, 7, 58, 26 ]
13
[ "40*7=280", "58+280=338", "338/26=13" ]
Current State: 13:[40, 7, 58, 26], Operations: [] Exploring Operation: 40*7=280, Resulting Numbers: [58, 26, 280] Generated Node #2: [58, 26, 280] from Operation: 40*7=280 Current State: 13:[58, 26, 280], Operations: ['40*7=280'] Exploring Operation: 58+280=338, Resulting Numbers: [26, 338] Generated Node #3: [26, 338] from Operation: 58+280=338 Current State: 13:[26, 338], Operations: ['40*7=280', '58+280=338'] Exploring Operation: 338/26=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[40, 7, 58, 26], Operations: [] Exploring Operation: 40-26=14, Resulting Numbers: [7, 58, 14] Generated Node #0,0: 13:[7, 58, 14] Operation: 40-26=14 Exploring Operation: 58-26=32, Resulting Numbers: [40, 7, 32] Generated Node #0,1: 13:[40, 7, 32] Operation: 58-26=32 Exploring Operation: 40-7=33, Resulting Numbers: [58, 26, 33] Generated Node #0,2: 13:[58, 26, 33] Operation: 40-7=33 Exploring Operation: 58-40=18, Resulting Numbers: [7, 26, 18] Generated Node #0,3: 13:[7, 26, 18] Operation: 58-40=18 Start Sub Search at level 1: Moving to Node #0,3 Current State: 13:[7, 26, 18], Operations: ['58-40=18'] Exploring Operation: 26-7=19, Resulting Numbers: [18, 19] Generated Node #0,3,0: 13:[18, 19] Operation: 26-7=19 Exploring Operation: 18-7=11, Resulting Numbers: [26, 11] Generated Node #0,3,1: 13:[26, 11] Operation: 18-7=11 Exploring Operation: 26-18=8, Resulting Numbers: [7, 8] Generated Node #0,3,2: 13:[7, 8] Operation: 26-18=8 Exploring Operation: 7+26=33, Resulting Numbers: [18, 33] Generated Node #0,3,3: 13:[18, 33] Operation: 7+26=33 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 13:[18, 19], Operations: ['58-40=18', '26-7=19'] Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,13 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,13 unequal: No Solution No 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: 13:[7, 8], Operations: ['58-40=18', '26-18=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,13 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,13 unequal: No Solution No 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: 13:[26, 11], Operations: ['58-40=18', '18-7=11'] Exploring Operation: 26*11=286, Resulting Numbers: [286] 286,13 unequal: No Solution Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,13 unequal: No Solution Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,13 unequal: No Solution No 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: 13:[18, 33], Operations: ['58-40=18', '7+26=33'] Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,13 unequal: No Solution Exploring Operation: 18*33=594, Resulting Numbers: [594] 594,13 unequal: No Solution Exploring Operation: 18+33=51, Resulting Numbers: [51] 51,13 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: 13:[7, 58, 14], Operations: ['40-26=14'] Exploring Operation: 7+58=65, Resulting Numbers: [14, 65] Generated Node #0,0,0: 13:[14, 65] Operation: 7+58=65 Exploring Operation: 58-7=51, Resulting Numbers: [14, 51] Generated Node #0,0,1: 13:[14, 51] Operation: 58-7=51 Exploring Operation: 58-14=44, Resulting Numbers: [7, 44] Generated Node #0,0,2: 13:[7, 44] Operation: 58-14=44 Exploring Operation: 14-7=7, Resulting Numbers: [58, 7] Generated Node #0,0,3: 13:[58, 7] Operation: 14-7=7 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 13:[7, 44], Operations: ['40-26=14', '58-14=44'] Exploring Operation: 7*44=308, Resulting Numbers: [308] 308,13 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 7+44=51, Resulting Numbers: [51] 51,13 unequal: No Solution No 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: 13:[14, 51], Operations: ['40-26=14', '58-7=51'] Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 14+51=65, Resulting Numbers: [65] 65,13 unequal: No Solution Exploring Operation: 14*51=714, Resulting Numbers: [714] 714,13 unequal: No Solution No 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: 13:[58, 7], Operations: ['40-26=14', '14-7=7'] Exploring Operation: 58+7=65, Resulting Numbers: [65] 65,13 unequal: No Solution Exploring Operation: 58*7=406, Resulting Numbers: [406] 406,13 unequal: No Solution Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,13 unequal: No Solution No 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: 13:[14, 65], Operations: ['40-26=14', '7+58=65'] Exploring Operation: 14+65=79, Resulting Numbers: [79] 79,13 unequal: No Solution Exploring Operation: 14*65=910, Resulting Numbers: [910] 910,13 unequal: No Solution Exploring Operation: 65-14=51, Resulting Numbers: [51] 51,13 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: 13:[40, 7, 32], Operations: ['58-26=32'] Exploring Operation: 40-7=33, Resulting Numbers: [32, 33] Generated Node #0,1,0: 13:[32, 33] Operation: 40-7=33 Exploring Operation: 32-7=25, Resulting Numbers: [40, 25] Generated Node #0,1,1: 13:[40, 25] Operation: 32-7=25 Exploring Operation: 40-32=8, Resulting Numbers: [7, 8] Generated Node #0,1,2: 13:[7, 8] Operation: 40-32=8 Exploring Operation: 40+7=47, Resulting Numbers: [32, 47] Generated Node #0,1,3: 13:[32, 47] Operation: 40+7=47 Moving to Node #0,1,2 Current State: 13:[7, 8], Operations: ['58-26=32', '40-32=8'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,13 unequal: No Solution Moving to Node #0,1,1 Current State: 13:[40, 25], Operations: ['58-26=32', '32-7=25'] Exploring Operation: 40*25=1000, Resulting Numbers: [1000] 1000,13 unequal: No Solution Exploring Operation: 40-25=15, Resulting Numbers: [15] 15,13 unequal: No Solution Exploring Operation: 40+25=65, Resulting Numbers: [65] 65,13 unequal: No Solution Moving to Node #0,1,0 Current State: 13:[32, 33], Operations: ['58-26=32', '40-7=33'] Exploring Operation: 32+33=65, Resulting Numbers: [65] 65,13 unequal: No Solution Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 32*33=1056, Resulting Numbers: [1056] 1056,13 unequal: No Solution Moving to Node #0,1,3 Current State: 13:[32, 47], Operations: ['58-26=32', '40+7=47'] Exploring Operation: 32*47=1504, Resulting Numbers: [1504] 1504,13 unequal: No Solution Exploring Operation: 32+47=79, Resulting Numbers: [79] 79,13 unequal: No Solution Exploring Operation: 47-32=15, Resulting Numbers: [15] 15,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[58, 26, 33], Operations: ['40-7=33'] Exploring Operation: 58+26=84, Resulting Numbers: [33, 84] Generated Node #0,2,0: 13:[33, 84] Operation: 58+26=84 Exploring Operation: 33-26=7, Resulting Numbers: [58, 7] Generated Node #0,2,1: 13:[58, 7] Operation: 33-26=7 Exploring Operation: 58-26=32, Resulting Numbers: [33, 32] Generated Node #0,2,2: 13:[33, 32] Operation: 58-26=32 Exploring Operation: 58-33=25, Resulting Numbers: [26, 25] Generated Node #0,2,3: 13:[26, 25] Operation: 58-33=25 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 13:[26, 25], Operations: ['40-7=33', '58-33=25'] Exploring Operation: 26+25=51, Resulting Numbers: [51] 51,13 unequal: No Solution Exploring Operation: 26*25=650, Resulting Numbers: [650] 650,13 unequal: No Solution Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,13 unequal: No Solution No 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: 13:[33, 32], Operations: ['40-7=33', '58-26=32'] Exploring Operation: 33*32=1056, Resulting Numbers: [1056] 1056,13 unequal: No Solution Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 33+32=65, Resulting Numbers: [65] 65,13 unequal: No Solution No 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: 13:[58, 7], Operations: ['40-7=33', '33-26=7'] Exploring Operation: 58*7=406, Resulting Numbers: [406] 406,13 unequal: No Solution Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,13 unequal: No Solution Exploring Operation: 58+7=65, Resulting Numbers: [65] 65,13 unequal: No Solution No 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: 13:[33, 84], Operations: ['40-7=33', '58+26=84'] Exploring Operation: 33+84=117, Resulting Numbers: [117] 117,13 unequal: No Solution Exploring Operation: 33*84=2772, Resulting Numbers: [2772] 2772,13 unequal: No Solution Exploring Operation: 84-33=51, Resulting Numbers: [51] 51,13 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
[ 45, 57, 4, 89 ]
73
[ "57-45=12", "89-4=85", "85-12=73" ]
Current State: 73:[45, 57, 4, 89], Operations: [] Exploring Operation: 57-45=12, Resulting Numbers: [4, 89, 12] Generated Node #2: [4, 89, 12] from Operation: 57-45=12 Current State: 73:[4, 89, 12], Operations: ['57-45=12'] Exploring Operation: 89-4=85, Resulting Numbers: [12, 85] Generated Node #3: [12, 85] from Operation: 89-4=85 Current State: 73:[12, 85], Operations: ['57-45=12', '89-4=85'] Exploring Operation: 85-12=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[45, 57, 4, 89], Operations: [] Exploring Operation: 45+4=49, Resulting Numbers: [57, 89, 49] Generated Node #0,0: 73:[57, 89, 49] Operation: 45+4=49 Moving to Node #0,0 Current State: 73:[57, 89, 49], Operations: ['45+4=49'] Exploring Operation: 57+49=106, Resulting Numbers: [89, 106] Generated Node #0,0,0: 73:[89, 106] Operation: 57+49=106 Moving to Node #0,0,0 Current State: 73:[89, 106], Operations: ['45+4=49', '57+49=106'] Exploring Operation: 106-89=17, Resulting Numbers: [17] 17,73 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 11, 70, 4, 1 ]
25
[ "11*4=44", "70-1=69", "69-44=25" ]
Current State: 25:[11, 70, 4, 1], Operations: [] Exploring Operation: 11*4=44, Resulting Numbers: [70, 1, 44] Generated Node #2: [70, 1, 44] from Operation: 11*4=44 Current State: 25:[70, 1, 44], Operations: ['11*4=44'] Exploring Operation: 70-1=69, Resulting Numbers: [44, 69] Generated Node #3: [44, 69] from Operation: 70-1=69 Current State: 25:[44, 69], Operations: ['11*4=44', '70-1=69'] Exploring Operation: 69-44=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[11, 70, 4, 1], Operations: [] Exploring Operation: 11-1=10, Resulting Numbers: [70, 4, 10] Generated Node #0,0: 25:[70, 4, 10] Operation: 11-1=10 Exploring Operation: 70-4=66, Resulting Numbers: [11, 1, 66] Generated Node #0,1: 25:[11, 1, 66] Operation: 70-4=66 Exploring Operation: 70-11=59, Resulting Numbers: [4, 1, 59] Generated Node #0,2: 25:[4, 1, 59] Operation: 70-11=59 Exploring Operation: 11-4=7, Resulting Numbers: [70, 1, 7] Generated Node #0,3: 25:[70, 1, 7] Operation: 11-4=7 Exploring Operation: 70-1=69, Resulting Numbers: [11, 4, 69] Generated Node #0,4: 25:[11, 4, 69] Operation: 70-1=69 Moving to Node #0,2 Current State: 25:[4, 1, 59], Operations: ['70-11=59'] Exploring Operation: 4*1=4, Resulting Numbers: [59, 4] Generated Node #0,2,0: 25:[59, 4] Operation: 4*1=4 Exploring Operation: 59-1=58, Resulting Numbers: [4, 58] Generated Node #0,2,1: 25:[4, 58] Operation: 59-1=58 Exploring Operation: 4+1=5, Resulting Numbers: [59, 5] Generated Node #0,2,2: 25:[59, 5] Operation: 4+1=5 Exploring Operation: 4/1=4, Resulting Numbers: [59, 4] Generated Node #0,2,3: 25:[59, 4] Operation: 4/1=4 Exploring Operation: 59-4=55, Resulting Numbers: [1, 55] Generated Node #0,2,4: 25:[1, 55] Operation: 59-4=55 Moving to Node #0,1 Current State: 25:[11, 1, 66], Operations: ['70-4=66'] Exploring Operation: 66/11=6, Resulting Numbers: [1, 6] Generated Node #0,1,0: 25:[1, 6] Operation: 66/11=6 Exploring Operation: 66-1=65, Resulting Numbers: [11, 65] Generated Node #0,1,1: 25:[11, 65] Operation: 66-1=65 Exploring Operation: 11-1=10, Resulting Numbers: [66, 10] Generated Node #0,1,2: 25:[66, 10] Operation: 11-1=10 Exploring Operation: 11*1=11, Resulting Numbers: [66, 11] Generated Node #0,1,3: 25:[66, 11] Operation: 11*1=11 Exploring Operation: 66-11=55, Resulting Numbers: [1, 55] Generated Node #0,1,4: 25:[1, 55] Operation: 66-11=55 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[1, 6], Operations: ['70-4=66', '66/11=6'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,25 unequal: No Solution Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 25:[1, 55], Operations: ['70-4=66', '66-11=55'] Exploring Operation: 1*55=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 1+55=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[11, 65], Operations: ['70-4=66', '66-1=65'] Exploring Operation: 11*65=715, Resulting Numbers: [715] 715,25 unequal: No Solution Exploring Operation: 65-11=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 11+65=76, Resulting Numbers: [76] 76,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 25:[66, 10], Operations: ['70-4=66', '11-1=10'] Exploring Operation: 66+10=76, Resulting Numbers: [76] 76,25 unequal: No Solution Exploring Operation: 66*10=660, Resulting Numbers: [660] 660,25 unequal: No Solution Exploring Operation: 66-10=56, Resulting Numbers: [56] 56,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 25:[66, 11], Operations: ['70-4=66', '11*1=11'] Exploring Operation: 66*11=726, Resulting Numbers: [726] 726,25 unequal: No Solution Exploring Operation: 66+11=77, Resulting Numbers: [77] 77,25 unequal: No Solution Exploring Operation: 66-11=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 66/11=6, Resulting Numbers: [6] 6,25 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: 25:[11, 4, 69], Operations: ['70-1=69'] Exploring Operation: 11-4=7, Resulting Numbers: [69, 7] Generated Node #0,4,0: 25:[69, 7] Operation: 11-4=7 Exploring Operation: 69-11=58, Resulting Numbers: [4, 58] Generated Node #0,4,1: 25:[4, 58] Operation: 69-11=58 Exploring Operation: 4+69=73, Resulting Numbers: [11, 73] Generated Node #0,4,2: 25:[11, 73] Operation: 4+69=73 Exploring Operation: 11+4=15, Resulting Numbers: [69, 15] Generated Node #0,4,3: 25:[69, 15] Operation: 11+4=15 Exploring Operation: 69-4=65, Resulting Numbers: [11, 65] Generated Node #0,4,4: 25:[11, 65] Operation: 69-4=65 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 25:[4, 58], Operations: ['70-1=69', '69-11=58'] Exploring Operation: 4+58=62, Resulting Numbers: [62] 62,25 unequal: No Solution Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 4*58=232, Resulting Numbers: [232] 232,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 25:[69, 7], Operations: ['70-1=69', '11-4=7'] Exploring Operation: 69+7=76, Resulting Numbers: [76] 76,25 unequal: No Solution Exploring Operation: 69-7=62, Resulting Numbers: [62] 62,25 unequal: No Solution Exploring Operation: 69*7=483, Resulting Numbers: [483] 483,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 25:[11, 65], Operations: ['70-1=69', '69-4=65'] Exploring Operation: 11+65=76, Resulting Numbers: [76] 76,25 unequal: No Solution Exploring Operation: 65-11=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 11*65=715, Resulting Numbers: [715] 715,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 25:[11, 73], Operations: ['70-1=69', '4+69=73'] Exploring Operation: 11*73=803, Resulting Numbers: [803] 803,25 unequal: No Solution Exploring Operation: 73-11=62, Resulting Numbers: [62] 62,25 unequal: No Solution Exploring Operation: 11+73=84, Resulting Numbers: [84] 84,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 25:[69, 15], Operations: ['70-1=69', '11+4=15'] Exploring Operation: 69+15=84, Resulting Numbers: [84] 84,25 unequal: No Solution Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 69*15=1035, Resulting Numbers: [1035] 1035,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 25:[70, 4, 10], Operations: ['11-1=10'] Exploring Operation: 70-4=66, Resulting Numbers: [10, 66] Generated Node #0,0,0: 25:[10, 66] Operation: 70-4=66 Exploring Operation: 70+4=74, Resulting Numbers: [10, 74] Generated Node #0,0,1: 25:[10, 74] Operation: 70+4=74 Exploring Operation: 70/10=7, Resulting Numbers: [4, 7] Generated Node #0,0,2: 25:[4, 7] Operation: 70/10=7 Exploring Operation: 10-4=6, Resulting Numbers: [70, 6] Generated Node #0,0,3: 25:[70, 6] Operation: 10-4=6 Exploring Operation: 70-10=60, Resulting Numbers: [4, 60] Generated Node #0,0,4: 25:[4, 60] Operation: 70-10=60 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 25:[4, 7], Operations: ['11-1=10', '70/10=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,25 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 25:[4, 60], Operations: ['11-1=10', '70-10=60'] Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,25 unequal: No Solution Exploring Operation: 4*60=240, Resulting Numbers: [240] 240,25 unequal: No Solution Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[10, 66], Operations: ['11-1=10', '70-4=66'] Exploring Operation: 10*66=660, Resulting Numbers: [660] 660,25 unequal: No Solution Exploring Operation: 10+66=76, Resulting Numbers: [76] 76,25 unequal: No Solution Exploring Operation: 66-10=56, Resulting Numbers: [56] 56,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 25:[70, 6], Operations: ['11-1=10', '10-4=6'] Exploring Operation: 70+6=76, Resulting Numbers: [76] 76,25 unequal: No Solution Exploring Operation: 70*6=420, Resulting Numbers: [420] 420,25 unequal: No Solution Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[10, 74], Operations: ['11-1=10', '70+4=74'] Exploring Operation: 10+74=84, Resulting Numbers: [84] 84,25 unequal: No Solution Exploring Operation: 74-10=64, Resulting Numbers: [64] 64,25 unequal: No Solution Exploring Operation: 10*74=740, Resulting Numbers: [740] 740,25 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: 25:[70, 1, 7], Operations: ['11-4=7'] Exploring Operation: 70-7=63, Resulting Numbers: [1, 63] Generated Node #0,3,0: 25:[1, 63] Operation: 70-7=63 Exploring Operation: 70/7=10, Resulting Numbers: [1, 10] Generated Node #0,3,1: 25:[1, 10] Operation: 70/7=10 Exploring Operation: 70*1=70, Resulting Numbers: [7, 70] Generated Node #0,3,2: 25:[7, 70] Operation: 70*1=70 Exploring Operation: 70-1=69, Resulting Numbers: [7, 69] Generated Node #0,3,3: 25:[7, 69] Operation: 70-1=69 Exploring Operation: 7-1=6, Resulting Numbers: [70, 6] Generated Node #0,3,4: 25:[70, 6] Operation: 7-1=6 Moving to Node #0,3,1 Current State: 25:[1, 10], Operations: ['11-4=7', '70/7=10'] Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,25 unequal: No Solution Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,25 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[4, 58], Operations: ['70-11=59', '59-1=58'] Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 4+58=62, Resulting Numbers: [62] 62,25 unequal: No Solution Exploring Operation: 4*58=232, Resulting Numbers: [232] 232,25 unequal: No Solution Moving to Node #0,2,4 Current State: 25:[1, 55], Operations: ['70-11=59', '59-4=55'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 1*55=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 1+55=56, Resulting Numbers: [56] 56,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[59, 5], Operations: ['70-11=59', '4+1=5'] Exploring Operation: 59*5=295, Resulting Numbers: [295] 295,25 unequal: No Solution Exploring Operation: 59+5=64, Resulting Numbers: [64] 64,25 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,25 unequal: No Solution Moving to Node #0,2,3 Current State: 25:[59, 4], Operations: ['70-11=59', '4/1=4'] Exploring Operation: 59*4=236, Resulting Numbers: [236] 236,25 unequal: No Solution Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 59+4=63, Resulting Numbers: [63] 63,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[59, 4], Operations: ['70-11=59', '4*1=4'] Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 59*4=236, Resulting Numbers: [236] 236,25 unequal: No Solution Exploring Operation: 59+4=63, Resulting Numbers: [63] 63,25 unequal: No Solution Moving to Node #0,3,0 Current State: 25:[1, 63], Operations: ['11-4=7', '70-7=63'] Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,25 unequal: No Solution Exploring Operation: 1+63=64, Resulting Numbers: [64] 64,25 unequal: No Solution Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,25 unequal: No Solution Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,25 unequal: No Solution Moving to Node #0,3,3 Current State: 25:[7, 69], Operations: ['11-4=7', '70-1=69'] Exploring Operation: 69-7=62, Resulting Numbers: [62] 62,25 unequal: No Solution Exploring Operation: 7*69=483, Resulting Numbers: [483] 483,25 unequal: No Solution Exploring Operation: 7+69=76, Resulting Numbers: [76] 76,25 unequal: No Solution Moving to Node #0,3,4 Current State: 25:[70, 6], Operations: ['11-4=7', '7-1=6'] Exploring Operation: 70*6=420, Resulting Numbers: [420] 420,25 unequal: No Solution Exploring Operation: 70+6=76, Resulting Numbers: [76] 76,25 unequal: No Solution Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,25 unequal: No Solution Moving to Node #0,3,2 Current State: 25:[7, 70], Operations: ['11-4=7', '70*1=70'] Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,25 unequal: No Solution Exploring Operation: 7*70=490, Resulting Numbers: [490] 490,25 unequal: No Solution Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,25 unequal: No Solution Exploring Operation: 7+70=77, Resulting Numbers: [77] 77,25 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 90, 5, 37, 16 ]
79
[ "90+16=106", "5*37=185", "185-106=79" ]
Current State: 79:[90, 5, 37, 16], Operations: [] Exploring Operation: 90+16=106, Resulting Numbers: [5, 37, 106] Generated Node #2: [5, 37, 106] from Operation: 90+16=106 Current State: 79:[5, 37, 106], Operations: ['90+16=106'] Exploring Operation: 5*37=185, Resulting Numbers: [106, 185] Generated Node #3: [106, 185] from Operation: 5*37=185 Current State: 79:[106, 185], Operations: ['90+16=106', '5*37=185'] Exploring Operation: 185-106=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[90, 5, 37, 16], Operations: [] Exploring Operation: 5+37=42, Resulting Numbers: [90, 16, 42] Generated Node #0,0: 79:[90, 16, 42] Operation: 5+37=42 Exploring Operation: 90-5=85, Resulting Numbers: [37, 16, 85] Generated Node #0,1: 79:[37, 16, 85] Operation: 90-5=85 Exploring Operation: 5*16=80, Resulting Numbers: [90, 37, 80] Generated Node #0,2: 79:[90, 37, 80] Operation: 5*16=80 Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[90, 37, 80], Operations: ['5*16=80'] Exploring Operation: 80-37=43, Resulting Numbers: [90, 43] Generated Node #0,2,0: 79:[90, 43] Operation: 80-37=43 Exploring Operation: 90+37=127, Resulting Numbers: [80, 127] Generated Node #0,2,1: 79:[80, 127] Operation: 90+37=127 Exploring Operation: 90-37=53, Resulting Numbers: [80, 53] Generated Node #0,2,2: 79:[80, 53] Operation: 90-37=53 Moving to Node #0,2,2 Current State: 79:[80, 53], Operations: ['5*16=80', '90-37=53'] Exploring Operation: 80+53=133, Resulting Numbers: [133] 133,79 unequal: No Solution Exploring Operation: 80*53=4240, Resulting Numbers: [4240] 4240,79 unequal: No Solution Exploring Operation: 80-53=27, Resulting Numbers: [27] 27,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[90, 43], Operations: ['5*16=80', '80-37=43'] Exploring Operation: 90-43=47, Resulting Numbers: [47] 47,79 unequal: No Solution Exploring Operation: 90+43=133, Resulting Numbers: [133] 133,79 unequal: No Solution Exploring Operation: 90*43=3870, Resulting Numbers: [3870] 3870,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[80, 127], Operations: ['5*16=80', '90+37=127'] Exploring Operation: 80*127=10160, Resulting Numbers: [10160] 10160,79 unequal: No Solution Exploring Operation: 127-80=47, Resulting Numbers: [47] 47,79 unequal: No Solution Exploring Operation: 80+127=207, Resulting Numbers: [207] 207,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[90, 16, 42], Operations: ['5+37=42'] Exploring Operation: 16+42=58, Resulting Numbers: [90, 58] Generated Node #0,0,0: 79:[90, 58] Operation: 16+42=58 Exploring Operation: 90+16=106, Resulting Numbers: [42, 106] Generated Node #0,0,1: 79:[42, 106] Operation: 90+16=106 Exploring Operation: 90-16=74, Resulting Numbers: [42, 74] Generated Node #0,0,2: 79:[42, 74] Operation: 90-16=74 Moving to Node #0,0,0 Current State: 79:[90, 58], Operations: ['5+37=42', '16+42=58'] Exploring Operation: 90-58=32, Resulting Numbers: [32] 32,79 unequal: No Solution Exploring Operation: 90+58=148, Resulting Numbers: [148] 148,79 unequal: No Solution Exploring Operation: 90*58=5220, Resulting Numbers: [5220] 5220,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[42, 74], Operations: ['5+37=42', '90-16=74'] Exploring Operation: 42+74=116, Resulting Numbers: [116] 116,79 unequal: No Solution Exploring Operation: 42*74=3108, Resulting Numbers: [3108] 3108,79 unequal: No Solution Exploring Operation: 74-42=32, Resulting Numbers: [32] 32,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[42, 106], Operations: ['5+37=42', '90+16=106'] Exploring Operation: 42+106=148, Resulting Numbers: [148] 148,79 unequal: No Solution Exploring Operation: 106-42=64, Resulting Numbers: [64] 64,79 unequal: No Solution Exploring Operation: 42*106=4452, Resulting Numbers: [4452] 4452,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[37, 16, 85], Operations: ['90-5=85'] Exploring Operation: 85-16=69, Resulting Numbers: [37, 69] Generated Node #0,1,0: 79:[37, 69] Operation: 85-16=69 Exploring Operation: 37+16=53, Resulting Numbers: [85, 53] Generated Node #0,1,1: 79:[85, 53] Operation: 37+16=53 Exploring Operation: 37-16=21, Resulting Numbers: [85, 21] Generated Node #0,1,2: 79:[85, 21] Operation: 37-16=21 Moving to Node #0,1,1 Current State: 79:[85, 53], Operations: ['90-5=85', '37+16=53'] Exploring Operation: 85-53=32, Resulting Numbers: [32] 32,79 unequal: No Solution Exploring Operation: 85*53=4505, Resulting Numbers: [4505] 4505,79 unequal: No Solution Exploring Operation: 85+53=138, Resulting Numbers: [138] 138,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[37, 69], Operations: ['90-5=85', '85-16=69'] Exploring Operation: 69-37=32, Resulting Numbers: [32] 32,79 unequal: No Solution Exploring Operation: 37+69=106, Resulting Numbers: [106] 106,79 unequal: No Solution Exploring Operation: 37*69=2553, Resulting Numbers: [2553] 2553,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[85, 21], Operations: ['90-5=85', '37-16=21'] Exploring Operation: 85+21=106, Resulting Numbers: [106] 106,79 unequal: No Solution Exploring Operation: 85*21=1785, Resulting Numbers: [1785] 1785,79 unequal: No Solution Exploring Operation: 85-21=64, Resulting Numbers: [64] 64,79 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
[ 93, 8, 35, 7 ]
43
[ "93-8=85", "35+7=42", "85-42=43" ]
Current State: 43:[93, 8, 35, 7], Operations: [] Exploring Operation: 93-8=85, Resulting Numbers: [35, 7, 85] Generated Node #2: [35, 7, 85] from Operation: 93-8=85 Current State: 43:[35, 7, 85], Operations: ['93-8=85'] Exploring Operation: 35+7=42, Resulting Numbers: [85, 42] Generated Node #3: [85, 42] from Operation: 35+7=42 Current State: 43:[85, 42], Operations: ['93-8=85', '35+7=42'] Exploring Operation: 85-42=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[93, 8, 35, 7], Operations: [] Exploring Operation: 93-7=86, Resulting Numbers: [8, 35, 86] Generated Node #0,0: 43:[8, 35, 86] Operation: 93-7=86 Exploring Operation: 93-8=85, Resulting Numbers: [35, 7, 85] Generated Node #0,1: 43:[35, 7, 85] Operation: 93-8=85 Exploring Operation: 93-35=58, Resulting Numbers: [8, 7, 58] Generated Node #0,2: 43:[8, 7, 58] Operation: 93-35=58 Exploring Operation: 8*7=56, Resulting Numbers: [93, 35, 56] Generated Node #0,3: 43:[93, 35, 56] Operation: 8*7=56 Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[93, 35, 56], Operations: ['8*7=56'] Exploring Operation: 93-35=58, Resulting Numbers: [56, 58] Generated Node #0,3,0: 43:[56, 58] Operation: 93-35=58 Exploring Operation: 93-56=37, Resulting Numbers: [35, 37] Generated Node #0,3,1: 43:[35, 37] Operation: 93-56=37 Exploring Operation: 93+35=128, Resulting Numbers: [56, 128] Generated Node #0,3,2: 43:[56, 128] Operation: 93+35=128 Exploring Operation: 56-35=21, Resulting Numbers: [93, 21] Generated Node #0,3,3: 43:[93, 21] Operation: 56-35=21 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 43:[35, 37], Operations: ['8*7=56', '93-56=37'] Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 35*37=1295, Resulting Numbers: [1295] 1295,43 unequal: No Solution Exploring Operation: 35+37=72, Resulting Numbers: [72] 72,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 43:[56, 58], Operations: ['8*7=56', '93-35=58'] Exploring Operation: 56*58=3248, Resulting Numbers: [3248] 3248,43 unequal: No Solution Exploring Operation: 56+58=114, Resulting Numbers: [114] 114,43 unequal: No Solution Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 43:[93, 21], Operations: ['8*7=56', '56-35=21'] Exploring Operation: 93-21=72, Resulting Numbers: [72] 72,43 unequal: No Solution Exploring Operation: 93+21=114, Resulting Numbers: [114] 114,43 unequal: No Solution Exploring Operation: 93*21=1953, Resulting Numbers: [1953] 1953,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 43:[56, 128], Operations: ['8*7=56', '93+35=128'] Exploring Operation: 56+128=184, Resulting Numbers: [184] 184,43 unequal: No Solution Exploring Operation: 56*128=7168, Resulting Numbers: [7168] 7168,43 unequal: No Solution Exploring Operation: 128-56=72, Resulting Numbers: [72] 72,43 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:[8, 35, 86], Operations: ['93-7=86'] Exploring Operation: 8+35=43, Resulting Numbers: [86, 43] Generated Node #0,0,0: 43:[86, 43] Operation: 8+35=43 Exploring Operation: 86-35=51, Resulting Numbers: [8, 51] Generated Node #0,0,1: 43:[8, 51] Operation: 86-35=51 Exploring Operation: 86-8=78, Resulting Numbers: [35, 78] Generated Node #0,0,2: 43:[35, 78] Operation: 86-8=78 Exploring Operation: 35-8=27, Resulting Numbers: [86, 27] Generated Node #0,0,3: 43:[86, 27] Operation: 35-8=27 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[86, 43], Operations: ['93-7=86', '8+35=43'] Exploring Operation: 86*43=3698, Resulting Numbers: [3698] 3698,43 unequal: No Solution Exploring Operation: 86+43=129, Resulting Numbers: [129] 129,43 unequal: No Solution Exploring Operation: 86/43=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 86-43=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[93, 8, 35, 7], Operations: [] Exploring Operation: 93-7=86, Resulting Numbers: [8, 35, 86] Generated Node #0,0: 43:[8, 35, 86] Operation: 93-7=86 Moving to Node #0,0 Current State: 43:[8, 35, 86], Operations: ['93-7=86'] Exploring Operation: 8+35=43, Resulting Numbers: [86, 43] Generated Node #0,0,0: 43:[86, 43] Operation: 8+35=43 Moving to Node #0,0,0 Current State: 43:[86, 43], Operations: ['93-7=86', '8+35=43'] Exploring Operation: 86-43=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.972222
hs_4
sum_heuristic
[ 40, 39, 61, 86 ]
68
[ "40+39=79", "61+86=147", "147-79=68" ]
Current State: 68:[40, 39, 61, 86], Operations: [] Exploring Operation: 40+39=79, Resulting Numbers: [61, 86, 79] Generated Node #2: [61, 86, 79] from Operation: 40+39=79 Current State: 68:[61, 86, 79], Operations: ['40+39=79'] Exploring Operation: 61+86=147, Resulting Numbers: [79, 147] Generated Node #3: [79, 147] from Operation: 61+86=147 Current State: 68:[79, 147], Operations: ['40+39=79', '61+86=147'] Exploring Operation: 147-79=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[40, 39, 61, 86], Operations: [] Exploring Operation: 86-40=46, Resulting Numbers: [39, 61, 46] Generated Node #0,0: 68:[39, 61, 46] Operation: 86-40=46 Exploring Operation: 86-61=25, Resulting Numbers: [40, 39, 25] Generated Node #0,1: 68:[40, 39, 25] Operation: 86-61=25 Exploring Operation: 40-39=1, Resulting Numbers: [61, 86, 1] Generated Node #0,2: 68:[61, 86, 1] Operation: 40-39=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[40, 39, 25], Operations: ['86-61=25'] Exploring Operation: 40-39=1, Resulting Numbers: [25, 1] Generated Node #0,1,0: 68:[25, 1] Operation: 40-39=1 Exploring Operation: 40-25=15, Resulting Numbers: [39, 15] Generated Node #0,1,1: 68:[39, 15] Operation: 40-25=15 Exploring Operation: 40+25=65, Resulting Numbers: [39, 65] Generated Node #0,1,2: 68:[39, 65] Operation: 40+25=65 Moving to Node #0,1,1 Current State: 68:[39, 15], Operations: ['86-61=25', '40-25=15'] Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 39*15=585, Resulting Numbers: [585] 585,68 unequal: No Solution Exploring Operation: 39+15=54, Resulting Numbers: [54] 54,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[39, 65], Operations: ['86-61=25', '40+25=65'] Exploring Operation: 65-39=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 39+65=104, Resulting Numbers: [104] 104,68 unequal: No Solution Exploring Operation: 39*65=2535, Resulting Numbers: [2535] 2535,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[25, 1], Operations: ['86-61=25', '40-39=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,68 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,68 unequal: No Solution Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[39, 61, 46], Operations: ['86-40=46'] Exploring Operation: 46-39=7, Resulting Numbers: [61, 7] Generated Node #0,0,0: 68:[61, 7] Operation: 46-39=7 Exploring Operation: 61-39=22, Resulting Numbers: [46, 22] Generated Node #0,0,1: 68:[46, 22] Operation: 61-39=22 Exploring Operation: 61-46=15, Resulting Numbers: [39, 15] Generated Node #0,0,2: 68:[39, 15] Operation: 61-46=15 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 68:[39, 15], Operations: ['86-40=46', '61-46=15'] Exploring Operation: 39+15=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 39*15=585, Resulting Numbers: [585] 585,68 unequal: No Solution Exploring Operation: 39-15=24, Resulting Numbers: [24] 24,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[61, 7], Operations: ['86-40=46', '46-39=7'] Exploring Operation: 61*7=427, Resulting Numbers: [427] 427,68 unequal: No Solution Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 61+7=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[40, 39, 61, 86], Operations: [] Exploring Operation: 86-40=46, Resulting Numbers: [39, 61, 46] Generated Node #0,0: 68:[39, 61, 46] Operation: 86-40=46 Moving to Node #0,0 Current State: 68:[39, 61, 46], Operations: ['86-40=46'] Exploring Operation: 46-39=7, Resulting Numbers: [61, 7] Generated Node #0,0,0: 68:[61, 7] Operation: 46-39=7 Moving to Node #0,0,0 Current State: 68:[61, 7], Operations: ['86-40=46', '46-39=7'] Exploring Operation: 61+7=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.975694
hs_3
sum_heuristic
[ 20, 38, 26, 73 ]
29
[ "38-20=18", "73-26=47", "47-18=29" ]
Current State: 29:[20, 38, 26, 73], Operations: [] Exploring Operation: 38-20=18, Resulting Numbers: [26, 73, 18] Generated Node #2: [26, 73, 18] from Operation: 38-20=18 Current State: 29:[26, 73, 18], Operations: ['38-20=18'] Exploring Operation: 73-26=47, Resulting Numbers: [18, 47] Generated Node #3: [18, 47] from Operation: 73-26=47 Current State: 29:[18, 47], Operations: ['38-20=18', '73-26=47'] Exploring Operation: 47-18=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[20, 38, 26, 73], Operations: [] Exploring Operation: 73-20=53, Resulting Numbers: [38, 26, 53] Generated Node #0,0: 29:[38, 26, 53] Operation: 73-20=53 Exploring Operation: 73-38=35, Resulting Numbers: [20, 26, 35] Generated Node #0,1: 29:[20, 26, 35] Operation: 73-38=35 Exploring Operation: 20+26=46, Resulting Numbers: [38, 73, 46] Generated Node #0,2: 29:[38, 73, 46] Operation: 20+26=46 Exploring Operation: 73-26=47, Resulting Numbers: [20, 38, 47] Generated Node #0,3: 29:[20, 38, 47] Operation: 73-26=47 Exploring Operation: 38-20=18, Resulting Numbers: [26, 73, 18] Generated Node #0,4: 29:[26, 73, 18] Operation: 38-20=18 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[20, 26, 35], Operations: ['73-38=35'] Exploring Operation: 35-26=9, Resulting Numbers: [20, 9] Generated Node #0,1,0: 29:[20, 9] Operation: 35-26=9 Exploring Operation: 20+35=55, Resulting Numbers: [26, 55] Generated Node #0,1,1: 29:[26, 55] Operation: 20+35=55 Exploring Operation: 26-20=6, Resulting Numbers: [35, 6] Generated Node #0,1,2: 29:[35, 6] Operation: 26-20=6 Exploring Operation: 20+26=46, Resulting Numbers: [35, 46] Generated Node #0,1,3: 29:[35, 46] Operation: 20+26=46 Exploring Operation: 35-20=15, Resulting Numbers: [26, 15] Generated Node #0,1,4: 29:[26, 15] Operation: 35-20=15 Moving to Node #0,1,4 Current State: 29:[26, 15], Operations: ['73-38=35', '35-20=15'] Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,29 unequal: No Solution Exploring Operation: 26*15=390, Resulting Numbers: [390] 390,29 unequal: No Solution Exploring Operation: 26+15=41, Resulting Numbers: [41] 41,29 unequal: No Solution Moving to Node #0,1,3 Current State: 29:[35, 46], Operations: ['73-38=35', '20+26=46'] Exploring Operation: 35+46=81, Resulting Numbers: [81] 81,29 unequal: No Solution Exploring Operation: 35*46=1610, Resulting Numbers: [1610] 1610,29 unequal: No Solution Exploring Operation: 46-35=11, Resulting Numbers: [11] 11,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[20, 9], Operations: ['73-38=35', '35-26=9'] Exploring Operation: 20*9=180, Resulting Numbers: [180] 180,29 unequal: No Solution Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[20, 38, 26, 73], Operations: [] Exploring Operation: 73-38=35, Resulting Numbers: [20, 26, 35] Generated Node #0,1: 29:[20, 26, 35] Operation: 73-38=35 Moving to Node #0,1 Current State: 29:[20, 26, 35], Operations: ['73-38=35'] Exploring Operation: 35-26=9, Resulting Numbers: [20, 9] Generated Node #0,1,0: 29:[20, 9] Operation: 35-26=9 Moving to Node #0,1,0 Current State: 29:[20, 9], Operations: ['73-38=35', '35-26=9'] Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 52, 99, 43, 45 ]
56
[ "52-43=9", "99/9=11", "45+11=56" ]
Current State: 56:[52, 99, 43, 45], Operations: [] Exploring Operation: 52-43=9, Resulting Numbers: [99, 45, 9] Generated Node #2: [99, 45, 9] from Operation: 52-43=9 Current State: 56:[99, 45, 9], Operations: ['52-43=9'] Exploring Operation: 99/9=11, Resulting Numbers: [45, 11] Generated Node #3: [45, 11] from Operation: 99/9=11 Current State: 56:[45, 11], Operations: ['52-43=9', '99/9=11'] Exploring Operation: 45+11=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[52, 99, 43, 45], Operations: [] Exploring Operation: 99-52=47, Resulting Numbers: [43, 45, 47] Generated Node #0,0: 56:[43, 45, 47] Operation: 99-52=47 Exploring Operation: 99-45=54, Resulting Numbers: [52, 43, 54] Generated Node #0,1: 56:[52, 43, 54] Operation: 99-45=54 Exploring Operation: 99-43=56, Resulting Numbers: [52, 45, 56] Generated Node #0,2: 56:[52, 45, 56] Operation: 99-43=56 Moving to Node #0,2 Current State: 56:[52, 45, 56], Operations: ['99-43=56'] Exploring Operation: 56-52=4, Resulting Numbers: [45, 4] Generated Node #0,2,0: 56:[45, 4] Operation: 56-52=4 Exploring Operation: 56-45=11, Resulting Numbers: [52, 11] Generated Node #0,2,1: 56:[52, 11] Operation: 56-45=11 Exploring Operation: 52-45=7, Resulting Numbers: [56, 7] Generated Node #0,2,2: 56:[56, 7] Operation: 52-45=7 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 56:[56, 7], Operations: ['99-43=56', '52-45=7'] Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,56 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,56 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,56 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:[52, 11], Operations: ['99-43=56', '56-45=11'] Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,56 unequal: No Solution Exploring Operation: 52*11=572, Resulting Numbers: [572] 572,56 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,56 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:[45, 4], Operations: ['99-43=56', '56-52=4'] Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,56 unequal: No Solution Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,56 unequal: No Solution Exploring Operation: 45*4=180, Resulting Numbers: [180] 180,56 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: 56:[52, 43, 54], Operations: ['99-45=54'] Exploring Operation: 54-52=2, Resulting Numbers: [43, 2] Generated Node #0,1,0: 56:[43, 2] Operation: 54-52=2 Exploring Operation: 54-43=11, Resulting Numbers: [52, 11] Generated Node #0,1,1: 56:[52, 11] Operation: 54-43=11 Exploring Operation: 52-43=9, Resulting Numbers: [54, 9] Generated Node #0,1,2: 56:[54, 9] Operation: 52-43=9 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 56:[54, 9], Operations: ['99-45=54', '52-43=9'] Exploring Operation: 54+9=63, Resulting Numbers: [63] 63,56 unequal: No Solution Exploring Operation: 54/9=6, Resulting Numbers: [6] 6,56 unequal: No Solution Exploring Operation: 54-9=45, Resulting Numbers: [45] 45,56 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 #0,1,1 Current State: 56:[52, 11], Operations: ['99-45=54', '54-43=11'] Exploring Operation: 52*11=572, Resulting Numbers: [572] 572,56 unequal: No Solution Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,56 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,56 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:[43, 2], Operations: ['99-45=54', '54-52=2'] Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,56 unequal: No Solution Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,56 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,56 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:[43, 45, 47], Operations: ['99-52=47'] Exploring Operation: 47-43=4, Resulting Numbers: [45, 4] Generated Node #0,0,0: 56:[45, 4] Operation: 47-43=4 Exploring Operation: 47-45=2, Resulting Numbers: [43, 2] Generated Node #0,0,1: 56:[43, 2] Operation: 47-45=2 Exploring Operation: 45-43=2, Resulting Numbers: [47, 2] Generated Node #0,0,2: 56:[47, 2] Operation: 45-43=2 Moving to Node #0,0,2 Current State: 56:[47, 2], Operations: ['99-52=47', '45-43=2'] Exploring Operation: 47+2=49, Resulting Numbers: [49] 49,56 unequal: No Solution Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,56 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[45, 4], Operations: ['99-52=47', '47-43=4'] Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,56 unequal: No Solution Exploring Operation: 45*4=180, Resulting Numbers: [180] 180,56 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[43, 2], Operations: ['99-52=47', '47-45=2'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,56 unequal: No Solution Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,56 unequal: No Solution Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,56 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 66, 27, 2, 57 ]
98
[ "66-27=39", "2+57=59", "39+59=98" ]
Current State: 98:[66, 27, 2, 57], Operations: [] Exploring Operation: 66-27=39, Resulting Numbers: [2, 57, 39] Generated Node #2: [2, 57, 39] from Operation: 66-27=39 Current State: 98:[2, 57, 39], Operations: ['66-27=39'] Exploring Operation: 2+57=59, Resulting Numbers: [39, 59] Generated Node #3: [39, 59] from Operation: 2+57=59 Current State: 98:[39, 59], Operations: ['66-27=39', '2+57=59'] Exploring Operation: 39+59=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[66, 27, 2, 57], Operations: [] Exploring Operation: 66+27=93, Resulting Numbers: [2, 57, 93] Generated Node #0,0: 98:[2, 57, 93] Operation: 66+27=93 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[2, 57, 93], Operations: ['66+27=93'] Exploring Operation: 57-2=55, Resulting Numbers: [93, 55] Generated Node #0,0,0: 98:[93, 55] Operation: 57-2=55 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[93, 55], Operations: ['66+27=93', '57-2=55'] Exploring Operation: 93-55=38, Resulting Numbers: [38] 38,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 86, 94, 6, 43 ]
73
[ "86+94=180", "180/6=30", "43+30=73" ]
Current State: 73:[86, 94, 6, 43], Operations: [] Exploring Operation: 86+94=180, Resulting Numbers: [6, 43, 180] Generated Node #2: [6, 43, 180] from Operation: 86+94=180 Current State: 73:[6, 43, 180], Operations: ['86+94=180'] Exploring Operation: 180/6=30, Resulting Numbers: [43, 30] Generated Node #3: [43, 30] from Operation: 180/6=30 Current State: 73:[43, 30], Operations: ['86+94=180', '180/6=30'] Exploring Operation: 43+30=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[86, 94, 6, 43], Operations: [] Exploring Operation: 6+43=49, Resulting Numbers: [86, 94, 49] Generated Node #0,0: 73:[86, 94, 49] Operation: 6+43=49 Exploring Operation: 86-6=80, Resulting Numbers: [94, 43, 80] Generated Node #0,1: 73:[94, 43, 80] Operation: 86-6=80 Exploring Operation: 94-6=88, Resulting Numbers: [86, 43, 88] Generated Node #0,2: 73:[86, 43, 88] Operation: 94-6=88 Exploring Operation: 86+6=92, Resulting Numbers: [94, 43, 92] Generated Node #0,3: 73:[94, 43, 92] Operation: 86+6=92 Moving to Node #0,0 Current State: 73:[86, 94, 49], Operations: ['6+43=49'] Exploring Operation: 94+49=143, Resulting Numbers: [86, 143] Generated Node #0,0,0: 73:[86, 143] Operation: 94+49=143 Exploring Operation: 86-49=37, Resulting Numbers: [94, 37] Generated Node #0,0,1: 73:[94, 37] Operation: 86-49=37 Exploring Operation: 94-49=45, Resulting Numbers: [86, 45] Generated Node #0,0,2: 73:[86, 45] Operation: 94-49=45 Exploring Operation: 86+49=135, Resulting Numbers: [94, 135] Generated Node #0,0,3: 73:[94, 135] Operation: 86+49=135 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 73:[86, 45], Operations: ['6+43=49', '94-49=45'] Exploring Operation: 86-45=41, Resulting Numbers: [41] 41,73 unequal: No Solution Exploring Operation: 86+45=131, Resulting Numbers: [131] 131,73 unequal: No Solution Exploring Operation: 86*45=3870, Resulting Numbers: [3870] 3870,73 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 #0,0,1 Current State: 73:[94, 37], Operations: ['6+43=49', '86-49=37'] Exploring Operation: 94+37=131, Resulting Numbers: [131] 131,73 unequal: No Solution Exploring Operation: 94-37=57, Resulting Numbers: [57] 57,73 unequal: No Solution Exploring Operation: 94*37=3478, Resulting Numbers: [3478] 3478,73 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 #0,0,0 Current State: 73:[86, 143], Operations: ['6+43=49', '94+49=143'] Exploring Operation: 86*143=12298, Resulting Numbers: [12298] 12298,73 unequal: No Solution Exploring Operation: 143-86=57, Resulting Numbers: [57] 57,73 unequal: No Solution Exploring Operation: 86+143=229, Resulting Numbers: [229] 229,73 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 #0,0,3 Current State: 73:[94, 135], Operations: ['6+43=49', '86+49=135'] Exploring Operation: 135-94=41, Resulting Numbers: [41] 41,73 unequal: No Solution Exploring Operation: 94*135=12690, Resulting Numbers: [12690] 12690,73 unequal: No Solution Exploring Operation: 94+135=229, Resulting Numbers: [229] 229,73 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: 73:[86, 43, 88], Operations: ['94-6=88'] Exploring Operation: 88-43=45, Resulting Numbers: [86, 45] Generated Node #0,2,0: 73:[86, 45] Operation: 88-43=45 Exploring Operation: 86-43=43, Resulting Numbers: [88, 43] Generated Node #0,2,1: 73:[88, 43] Operation: 86-43=43 Exploring Operation: 43+88=131, Resulting Numbers: [86, 131] Generated Node #0,2,2: 73:[86, 131] Operation: 43+88=131 Exploring Operation: 86+43=129, Resulting Numbers: [88, 129] Generated Node #0,2,3: 73:[88, 129] Operation: 86+43=129 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 73:[86, 45], Operations: ['94-6=88', '88-43=45'] Exploring Operation: 86*45=3870, Resulting Numbers: [3870] 3870,73 unequal: No Solution Exploring Operation: 86-45=41, Resulting Numbers: [41] 41,73 unequal: No Solution Exploring Operation: 86+45=131, Resulting Numbers: [131] 131,73 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 #0,2,1 Current State: 73:[88, 43], Operations: ['94-6=88', '86-43=43'] Exploring Operation: 88*43=3784, Resulting Numbers: [3784] 3784,73 unequal: No Solution Exploring Operation: 88-43=45, Resulting Numbers: [45] 45,73 unequal: No Solution Exploring Operation: 88+43=131, Resulting Numbers: [131] 131,73 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 #0,2,2 Current State: 73:[86, 131], Operations: ['94-6=88', '43+88=131'] Exploring Operation: 86+131=217, Resulting Numbers: [217] 217,73 unequal: No Solution Exploring Operation: 131-86=45, Resulting Numbers: [45] 45,73 unequal: No Solution Exploring Operation: 86*131=11266, Resulting Numbers: [11266] 11266,73 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 #0,2,3 Current State: 73:[88, 129], Operations: ['94-6=88', '86+43=129'] Exploring Operation: 129-88=41, Resulting Numbers: [41] 41,73 unequal: No Solution Exploring Operation: 88*129=11352, Resulting Numbers: [11352] 11352,73 unequal: No Solution Exploring Operation: 88+129=217, Resulting Numbers: [217] 217,73 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: 73:[94, 43, 80], Operations: ['86-6=80'] Exploring Operation: 80-43=37, Resulting Numbers: [94, 37] Generated Node #0,1,0: 73:[94, 37] Operation: 80-43=37 Exploring Operation: 43+80=123, Resulting Numbers: [94, 123] Generated Node #0,1,1: 73:[94, 123] Operation: 43+80=123 Exploring Operation: 94-43=51, Resulting Numbers: [80, 51] Generated Node #0,1,2: 73:[80, 51] Operation: 94-43=51 Exploring Operation: 94+43=137, Resulting Numbers: [80, 137] Generated Node #0,1,3: 73:[80, 137] Operation: 94+43=137 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[80, 51], Operations: ['86-6=80', '94-43=51'] Exploring Operation: 80-51=29, Resulting Numbers: [29] 29,73 unequal: No Solution Exploring Operation: 80+51=131, Resulting Numbers: [131] 131,73 unequal: No Solution Exploring Operation: 80*51=4080, Resulting Numbers: [4080] 4080,73 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 #0,1,0 Current State: 73:[94, 37], Operations: ['86-6=80', '80-43=37'] Exploring Operation: 94-37=57, Resulting Numbers: [57] 57,73 unequal: No Solution Exploring Operation: 94+37=131, Resulting Numbers: [131] 131,73 unequal: No Solution Exploring Operation: 94*37=3478, Resulting Numbers: [3478] 3478,73 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 #0,1,1 Current State: 73:[94, 123], Operations: ['86-6=80', '43+80=123'] Exploring Operation: 94+123=217, Resulting Numbers: [217] 217,73 unequal: No Solution Exploring Operation: 94*123=11562, Resulting Numbers: [11562] 11562,73 unequal: No Solution Exploring Operation: 123-94=29, Resulting Numbers: [29] 29,73 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 #0,1,3 Current State: 73:[80, 137], Operations: ['86-6=80', '94+43=137'] Exploring Operation: 80*137=10960, Resulting Numbers: [10960] 10960,73 unequal: No Solution Exploring Operation: 80+137=217, Resulting Numbers: [217] 217,73 unequal: No Solution Exploring Operation: 137-80=57, Resulting Numbers: [57] 57,73 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: 73:[94, 43, 92], Operations: ['86+6=92'] Exploring Operation: 94-43=51, Resulting Numbers: [92, 51] Generated Node #0,3,0: 73:[92, 51] Operation: 94-43=51 Exploring Operation: 94+43=137, Resulting Numbers: [92, 137] Generated Node #0,3,1: 73:[92, 137] Operation: 94+43=137 Exploring Operation: 92-43=49, Resulting Numbers: [94, 49] Generated Node #0,3,2: 73:[94, 49] Operation: 92-43=49 Exploring Operation: 43+92=135, Resulting Numbers: [94, 135] Generated Node #0,3,3: 73:[94, 135] Operation: 43+92=135 Moving to Node #0,3,0 Current State: 73:[92, 51], Operations: ['86+6=92', '94-43=51'] Exploring Operation: 92-51=41, Resulting Numbers: [41] 41,73 unequal: No Solution Exploring Operation: 92*51=4692, Resulting Numbers: [4692] 4692,73 unequal: No Solution Exploring Operation: 92+51=143, Resulting Numbers: [143] 143,73 unequal: No Solution Moving to Node #0,3,2 Current State: 73:[94, 49], Operations: ['86+6=92', '92-43=49'] Exploring Operation: 94+49=143, Resulting Numbers: [143] 143,73 unequal: No Solution Exploring Operation: 94*49=4606, Resulting Numbers: [4606] 4606,73 unequal: No Solution Exploring Operation: 94-49=45, Resulting Numbers: [45] 45,73 unequal: No Solution Moving to Node #0,3,3 Current State: 73:[94, 135], Operations: ['86+6=92', '43+92=135'] Exploring Operation: 94+135=229, Resulting Numbers: [229] 229,73 unequal: No Solution Exploring Operation: 94*135=12690, Resulting Numbers: [12690] 12690,73 unequal: No Solution Exploring Operation: 135-94=41, Resulting Numbers: [41] 41,73 unequal: No Solution Moving to Node #0,3,1 Current State: 73:[92, 137], Operations: ['86+6=92', '94+43=137'] Exploring Operation: 92*137=12604, Resulting Numbers: [12604] 12604,73 unequal: No Solution Exploring Operation: 137-92=45, Resulting Numbers: [45] 45,73 unequal: No Solution Exploring Operation: 92+137=229, Resulting Numbers: [229] 229,73 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 6, 5, 71, 35 ]
25
[ "6+5=11", "71-35=36", "36-11=25" ]
Current State: 25:[6, 5, 71, 35], Operations: [] Exploring Operation: 6+5=11, Resulting Numbers: [71, 35, 11] Generated Node #2: [71, 35, 11] from Operation: 6+5=11 Current State: 25:[71, 35, 11], Operations: ['6+5=11'] Exploring Operation: 71-35=36, Resulting Numbers: [11, 36] Generated Node #3: [11, 36] from Operation: 71-35=36 Current State: 25:[11, 36], Operations: ['6+5=11', '71-35=36'] Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[6, 5, 71, 35], Operations: [] Exploring Operation: 71-6=65, Resulting Numbers: [5, 35, 65] Generated Node #0,0: 25:[5, 35, 65] Operation: 71-6=65 Exploring Operation: 35-6=29, Resulting Numbers: [5, 71, 29] Generated Node #0,1: 25:[5, 71, 29] Operation: 35-6=29 Exploring Operation: 71-5=66, Resulting Numbers: [6, 35, 66] Generated Node #0,2: 25:[6, 35, 66] Operation: 71-5=66 Exploring Operation: 35/5=7, Resulting Numbers: [6, 71, 7] Generated Node #0,3: 25:[6, 71, 7] Operation: 35/5=7 Exploring Operation: 71-35=36, Resulting Numbers: [6, 5, 36] Generated Node #0,4: 25:[6, 5, 36] Operation: 71-35=36 Start Sub Search at level 1: Moving to Node #0,4 Current State: 25:[6, 5, 36], Operations: ['71-35=36'] Exploring Operation: 36/6=6, Resulting Numbers: [5, 6] Generated Node #0,4,0: 25:[5, 6] Operation: 36/6=6 Exploring Operation: 6-5=1, Resulting Numbers: [36, 1] Generated Node #0,4,1: 25:[36, 1] Operation: 6-5=1 Exploring Operation: 36-5=31, Resulting Numbers: [6, 31] Generated Node #0,4,2: 25:[6, 31] Operation: 36-5=31 Exploring Operation: 6*5=30, Resulting Numbers: [36, 30] Generated Node #0,4,3: 25:[36, 30] Operation: 6*5=30 Exploring Operation: 36-6=30, Resulting Numbers: [5, 30] Generated Node #0,4,4: 25:[5, 30] Operation: 36-6=30 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 25:[5, 6], Operations: ['71-35=36', '36/6=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,25 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,25 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 #0,4,4 Current State: 25:[5, 30], Operations: ['71-35=36', '36-6=30'] Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,25 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[6, 5, 71, 35], Operations: [] Exploring Operation: 71-35=36, Resulting Numbers: [6, 5, 36] Generated Node #0,4: 25:[6, 5, 36] Operation: 71-35=36 Moving to Node #0,4 Current State: 25:[6, 5, 36], Operations: ['71-35=36'] Exploring Operation: 36-6=30, Resulting Numbers: [5, 30] Generated Node #0,4,4: 25:[5, 30] Operation: 36-6=30 Moving to Node #0,4,4 Current State: 25:[5, 30], Operations: ['71-35=36', '36-6=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 78, 22, 70, 69 ]
57
[ "78-22=56", "70-69=1", "56+1=57" ]
Current State: 57:[78, 22, 70, 69], Operations: [] Exploring Operation: 78-22=56, Resulting Numbers: [70, 69, 56] Generated Node #2: [70, 69, 56] from Operation: 78-22=56 Current State: 57:[70, 69, 56], Operations: ['78-22=56'] Exploring Operation: 70-69=1, Resulting Numbers: [56, 1] Generated Node #3: [56, 1] from Operation: 70-69=1 Current State: 57:[56, 1], Operations: ['78-22=56', '70-69=1'] Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[78, 22, 70, 69], Operations: [] Exploring Operation: 78-69=9, Resulting Numbers: [22, 70, 9] Generated Node #0,0: 57:[22, 70, 9] Operation: 78-69=9 Exploring Operation: 78-70=8, Resulting Numbers: [22, 69, 8] Generated Node #0,1: 57:[22, 69, 8] Operation: 78-70=8 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[22, 69, 8], Operations: ['78-70=8'] Exploring Operation: 69-22=47, Resulting Numbers: [8, 47] Generated Node #0,1,0: 57:[8, 47] Operation: 69-22=47 Exploring Operation: 69-8=61, Resulting Numbers: [22, 61] Generated Node #0,1,1: 57:[22, 61] Operation: 69-8=61 Moving to Node #0,1,1 Current State: 57:[22, 61], Operations: ['78-70=8', '69-8=61'] Exploring Operation: 22+61=83, Resulting Numbers: [83] 83,57 unequal: No Solution Exploring Operation: 61-22=39, Resulting Numbers: [39] 39,57 unequal: No Solution Moving to Node #0,1,0 Current State: 57:[8, 47], Operations: ['78-70=8', '69-22=47'] Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,57 unequal: No Solution Exploring Operation: 8+47=55, Resulting Numbers: [55] 55,57 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 #0,0 Current State: 57:[22, 70, 9], Operations: ['78-69=9'] Exploring Operation: 70-22=48, Resulting Numbers: [9, 48] Generated Node #0,0,0: 57:[9, 48] Operation: 70-22=48 Exploring Operation: 70-9=61, Resulting Numbers: [22, 61] Generated Node #0,0,1: 57:[22, 61] Operation: 70-9=61 Moving to Node #0,0,1 Current State: 57:[22, 61], Operations: ['78-69=9', '70-9=61'] Exploring Operation: 61-22=39, Resulting Numbers: [39] 39,57 unequal: No Solution Exploring Operation: 22+61=83, Resulting Numbers: [83] 83,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[9, 48], Operations: ['78-69=9', '70-22=48'] Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,57 unequal: No Solution Exploring Operation: 9+48=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[78, 22, 70, 69], Operations: [] Exploring Operation: 78-69=9, Resulting Numbers: [22, 70, 9] Generated Node #0,0: 57:[22, 70, 9] Operation: 78-69=9 Moving to Node #0,0 Current State: 57:[22, 70, 9], Operations: ['78-69=9'] Exploring Operation: 70-22=48, Resulting Numbers: [9, 48] Generated Node #0,0,0: 57:[9, 48] Operation: 70-22=48 Moving to Node #0,0,0 Current State: 57:[9, 48], Operations: ['78-69=9', '70-22=48'] Exploring Operation: 9+48=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 92, 50, 59, 15 ]
32
[ "92-50=42", "59+15=74", "74-42=32" ]
Current State: 32:[92, 50, 59, 15], Operations: [] Exploring Operation: 92-50=42, Resulting Numbers: [59, 15, 42] Generated Node #2: [59, 15, 42] from Operation: 92-50=42 Current State: 32:[59, 15, 42], Operations: ['92-50=42'] Exploring Operation: 59+15=74, Resulting Numbers: [42, 74] Generated Node #3: [42, 74] from Operation: 59+15=74 Current State: 32:[42, 74], Operations: ['92-50=42', '59+15=74'] Exploring Operation: 74-42=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[92, 50, 59, 15], Operations: [] Exploring Operation: 92-59=33, Resulting Numbers: [50, 15, 33] Generated Node #0,0: 32:[50, 15, 33] Operation: 92-59=33 Exploring Operation: 92-50=42, Resulting Numbers: [59, 15, 42] Generated Node #0,1: 32:[59, 15, 42] Operation: 92-50=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[50, 15, 33], Operations: ['92-59=33'] Exploring Operation: 50-33=17, Resulting Numbers: [15, 17] Generated Node #0,0,0: 32:[15, 17] Operation: 50-33=17 Exploring Operation: 50-15=35, Resulting Numbers: [33, 35] Generated Node #0,0,1: 32:[33, 35] Operation: 50-15=35 Moving to Node #0,0,0 Current State: 32:[15, 17], Operations: ['92-59=33', '50-33=17'] Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[92, 50, 59, 15], Operations: [] Exploring Operation: 92-59=33, Resulting Numbers: [50, 15, 33] Generated Node #0,0: 32:[50, 15, 33] Operation: 92-59=33 Moving to Node #0,0 Current State: 32:[50, 15, 33], Operations: ['92-59=33'] Exploring Operation: 50-33=17, Resulting Numbers: [15, 17] Generated Node #0,0,0: 32:[15, 17] Operation: 50-33=17 Moving to Node #0,0,0 Current State: 32:[15, 17], Operations: ['92-59=33', '50-33=17'] Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 52, 56, 31, 25 ]
24
[ "56-52=4", "31-25=6", "4*6=24" ]
Current State: 24:[52, 56, 31, 25], Operations: [] Exploring Operation: 56-52=4, Resulting Numbers: [31, 25, 4] Generated Node #2: [31, 25, 4] from Operation: 56-52=4 Current State: 24:[31, 25, 4], Operations: ['56-52=4'] Exploring Operation: 31-25=6, Resulting Numbers: [4, 6] Generated Node #3: [4, 6] from Operation: 31-25=6 Current State: 24:[4, 6], Operations: ['56-52=4', '31-25=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[52, 56, 31, 25], Operations: [] Exploring Operation: 56-31=25, Resulting Numbers: [52, 25, 25] Generated Node #0,0: 24:[52, 25, 25] Operation: 56-31=25 Exploring Operation: 56-52=4, Resulting Numbers: [31, 25, 4] Generated Node #0,1: 24:[31, 25, 4] Operation: 56-52=4 Exploring Operation: 52-25=27, Resulting Numbers: [56, 31, 27] Generated Node #0,2: 24:[56, 31, 27] Operation: 52-25=27 Exploring Operation: 52-31=21, Resulting Numbers: [56, 25, 21] Generated Node #0,3: 24:[56, 25, 21] Operation: 52-31=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[31, 25, 4], Operations: ['56-52=4'] Exploring Operation: 31-25=6, Resulting Numbers: [4, 6] Generated Node #0,1,0: 24:[4, 6] Operation: 31-25=6 Exploring Operation: 25-4=21, Resulting Numbers: [31, 21] Generated Node #0,1,1: 24:[31, 21] Operation: 25-4=21 Exploring Operation: 31+4=35, Resulting Numbers: [25, 35] Generated Node #0,1,2: 24:[25, 35] Operation: 31+4=35 Exploring Operation: 31-4=27, Resulting Numbers: [25, 27] Generated Node #0,1,3: 24:[25, 27] Operation: 31-4=27 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 24:[4, 6], Operations: ['56-52=4', '31-25=6'] Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,24 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[52, 56, 31, 25], Operations: [] Exploring Operation: 56-52=4, Resulting Numbers: [31, 25, 4] Generated Node #0,1: 24:[31, 25, 4] Operation: 56-52=4 Moving to Node #0,1 Current State: 24:[31, 25, 4], Operations: ['56-52=4'] Exploring Operation: 31-25=6, Resulting Numbers: [4, 6] Generated Node #0,1,0: 24:[4, 6] Operation: 31-25=6 Moving to Node #0,1,0 Current State: 24:[4, 6], Operations: ['56-52=4', '31-25=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 57, 29, 11, 46 ]
12
[ "57+29=86", "46+86=132", "132/11=12" ]
Current State: 12:[57, 29, 11, 46], Operations: [] Exploring Operation: 57+29=86, Resulting Numbers: [11, 46, 86] Generated Node #2: [11, 46, 86] from Operation: 57+29=86 Current State: 12:[11, 46, 86], Operations: ['57+29=86'] Exploring Operation: 46+86=132, Resulting Numbers: [11, 132] Generated Node #3: [11, 132] from Operation: 46+86=132 Current State: 12:[11, 132], Operations: ['57+29=86', '46+86=132'] Exploring Operation: 132/11=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[57, 29, 11, 46], Operations: [] Exploring Operation: 46-29=17, Resulting Numbers: [57, 11, 17] Generated Node #0,0: 12:[57, 11, 17] Operation: 46-29=17 Exploring Operation: 57-29=28, Resulting Numbers: [11, 46, 28] Generated Node #0,1: 12:[11, 46, 28] Operation: 57-29=28 Exploring Operation: 57-11=46, Resulting Numbers: [29, 46, 46] Generated Node #0,2: 12:[29, 46, 46] Operation: 57-11=46 Exploring Operation: 57-46=11, Resulting Numbers: [29, 11, 11] Generated Node #0,3: 12:[29, 11, 11] Operation: 57-46=11 Moving to Node #0,3 Current State: 12:[29, 11, 11], Operations: ['57-46=11'] Exploring Operation: 11-11=0, Resulting Numbers: [29, 0] Generated Node #0,3,0: 12:[29, 0] Operation: 11-11=0 Exploring Operation: 11/11=1, Resulting Numbers: [29, 1] Generated Node #0,3,1: 12:[29, 1] Operation: 11/11=1 Exploring Operation: 29-11=18, Resulting Numbers: [11, 18] Generated Node #0,3,2: 12:[11, 18] Operation: 29-11=18 Exploring Operation: 29-11=18, Resulting Numbers: [11, 18] Generated Node #0,3,3: 12:[11, 18] Operation: 29-11=18 Moving to Node #0,1 Current State: 12:[11, 46, 28], Operations: ['57-29=28'] Exploring Operation: 28-11=17, Resulting Numbers: [46, 17] Generated Node #0,1,0: 12:[46, 17] Operation: 28-11=17 Exploring Operation: 46-28=18, Resulting Numbers: [11, 18] Generated Node #0,1,1: 12:[11, 18] Operation: 46-28=18 Exploring Operation: 11+46=57, Resulting Numbers: [28, 57] Generated Node #0,1,2: 12:[28, 57] Operation: 11+46=57 Exploring Operation: 46-11=35, Resulting Numbers: [28, 35] Generated Node #0,1,3: 12:[28, 35] Operation: 46-11=35 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 12:[11, 18], Operations: ['57-29=28', '46-28=18'] Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,12 unequal: No Solution Exploring Operation: 11*18=198, Resulting Numbers: [198] 198,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 12:[46, 17], Operations: ['57-29=28', '28-11=17'] Exploring Operation: 46*17=782, Resulting Numbers: [782] 782,12 unequal: No Solution Exploring Operation: 46+17=63, Resulting Numbers: [63] 63,12 unequal: No Solution Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 12:[28, 35], Operations: ['57-29=28', '46-11=35'] Exploring Operation: 28+35=63, Resulting Numbers: [63] 63,12 unequal: No Solution Exploring Operation: 28*35=980, Resulting Numbers: [980] 980,12 unequal: No Solution Exploring Operation: 35-28=7, Resulting Numbers: [7] 7,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 12:[28, 57], Operations: ['57-29=28', '11+46=57'] Exploring Operation: 28+57=85, Resulting Numbers: [85] 85,12 unequal: No Solution Exploring Operation: 57-28=29, Resulting Numbers: [29] 29,12 unequal: No Solution Exploring Operation: 28*57=1596, Resulting Numbers: [1596] 1596,12 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: 12:[57, 11, 17], Operations: ['46-29=17'] Exploring Operation: 57-11=46, Resulting Numbers: [17, 46] Generated Node #0,0,0: 12:[17, 46] Operation: 57-11=46 Exploring Operation: 17-11=6, Resulting Numbers: [57, 6] Generated Node #0,0,1: 12:[57, 6] Operation: 17-11=6 Exploring Operation: 57+11=68, Resulting Numbers: [17, 68] Generated Node #0,0,2: 12:[17, 68] Operation: 57+11=68 Exploring Operation: 57-17=40, Resulting Numbers: [11, 40] Generated Node #0,0,3: 12:[11, 40] Operation: 57-17=40 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 12:[11, 40], Operations: ['46-29=17', '57-17=40'] Exploring Operation: 11+40=51, Resulting Numbers: [51] 51,12 unequal: No Solution Exploring Operation: 11*40=440, Resulting Numbers: [440] 440,12 unequal: No Solution Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[17, 46], Operations: ['46-29=17', '57-11=46'] Exploring Operation: 17*46=782, Resulting Numbers: [782] 782,12 unequal: No Solution Exploring Operation: 17+46=63, Resulting Numbers: [63] 63,12 unequal: No Solution Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 12:[57, 6], Operations: ['46-29=17', '17-11=6'] Exploring Operation: 57+6=63, Resulting Numbers: [63] 63,12 unequal: No Solution Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,12 unequal: No Solution Exploring Operation: 57*6=342, Resulting Numbers: [342] 342,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 12:[17, 68], Operations: ['46-29=17', '57+11=68'] Exploring Operation: 17*68=1156, Resulting Numbers: [1156] 1156,12 unequal: No Solution Exploring Operation: 68/17=4, Resulting Numbers: [4] 4,12 unequal: No Solution Exploring Operation: 68-17=51, Resulting Numbers: [51] 51,12 unequal: No Solution Exploring Operation: 17+68=85, Resulting Numbers: [85] 85,12 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: 12:[29, 46, 46], Operations: ['57-11=46'] Exploring Operation: 46-29=17, Resulting Numbers: [46, 17] Generated Node #0,2,0: 12:[46, 17] Operation: 46-29=17 Exploring Operation: 46-29=17, Resulting Numbers: [46, 17] Generated Node #0,2,1: 12:[46, 17] Operation: 46-29=17 Exploring Operation: 46-46=0, Resulting Numbers: [29, 0] Generated Node #0,2,2: 12:[29, 0] Operation: 46-46=0 Exploring Operation: 46/46=1, Resulting Numbers: [29, 1] Generated Node #0,2,3: 12:[29, 1] Operation: 46/46=1 Moving to Node #0,3,2 Current State: 12:[11, 18], Operations: ['57-46=11', '29-11=18'] Exploring Operation: 11*18=198, Resulting Numbers: [198] 198,12 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,12 unequal: No Solution Moving to Node #0,3,3 Current State: 12:[11, 18], Operations: ['57-46=11', '29-11=18'] Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,12 unequal: No Solution Exploring Operation: 11*18=198, Resulting Numbers: [198] 198,12 unequal: No Solution Moving to Node #0,3,1 Current State: 12:[29, 1], Operations: ['57-46=11', '11/11=1'] Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,12 unequal: No Solution Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 29+1=30, Resulting Numbers: [30] 30,12 unequal: No Solution Exploring Operation: 29*1=29, Resulting Numbers: [29] 29,12 unequal: No Solution Moving to Node #0,2,3 Current State: 12:[29, 1], Operations: ['57-11=46', '46/46=1'] Exploring Operation: 29+1=30, Resulting Numbers: [30] 30,12 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,12 unequal: No Solution Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 29*1=29, Resulting Numbers: [29] 29,12 unequal: No Solution Moving to Node #0,2,2 Current State: 12:[29, 0], Operations: ['57-11=46', '46-46=0'] Exploring Operation: 29*0=0, Resulting Numbers: [0] 0,12 unequal: No Solution Exploring Operation: 29-0=29, Resulting Numbers: [29] 29,12 unequal: No Solution Exploring Operation: 29+0=29, Resulting Numbers: [29] 29,12 unequal: No Solution Moving to Node #0,3,0 Current State: 12:[29, 0], Operations: ['57-46=11', '11-11=0'] Exploring Operation: 29*0=0, Resulting Numbers: [0] 0,12 unequal: No Solution Exploring Operation: 29-0=29, Resulting Numbers: [29] 29,12 unequal: No Solution Exploring Operation: 29+0=29, Resulting Numbers: [29] 29,12 unequal: No Solution Moving to Node #0,2,0 Current State: 12:[46, 17], Operations: ['57-11=46', '46-29=17'] Exploring Operation: 46*17=782, Resulting Numbers: [782] 782,12 unequal: No Solution Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,12 unequal: No Solution Exploring Operation: 46+17=63, Resulting Numbers: [63] 63,12 unequal: No Solution Moving to Node #0,2,1 Current State: 12:[46, 17], Operations: ['57-11=46', '46-29=17'] Exploring Operation: 46*17=782, Resulting Numbers: [782] 782,12 unequal: No Solution Exploring Operation: 46+17=63, Resulting Numbers: [63] 63,12 unequal: No Solution Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,12 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 19, 30, 34, 8 ]
27
[ "30+34=64", "64/8=8", "19+8=27" ]
Current State: 27:[19, 30, 34, 8], Operations: [] Exploring Operation: 30+34=64, Resulting Numbers: [19, 8, 64] Generated Node #2: [19, 8, 64] from Operation: 30+34=64 Current State: 27:[19, 8, 64], Operations: ['30+34=64'] Exploring Operation: 64/8=8, Resulting Numbers: [19, 8] Generated Node #3: [19, 8] from Operation: 64/8=8 Current State: 27:[19, 8], Operations: ['30+34=64', '64/8=8'] Exploring Operation: 19+8=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[19, 30, 34, 8], Operations: [] Exploring Operation: 34-19=15, Resulting Numbers: [30, 8, 15] Generated Node #0,0: 27:[30, 8, 15] Operation: 34-19=15 Exploring Operation: 30-19=11, Resulting Numbers: [34, 8, 11] Generated Node #0,1: 27:[34, 8, 11] Operation: 30-19=11 Moving to Node #0,0 Current State: 27:[30, 8, 15], Operations: ['34-19=15'] Exploring Operation: 30/15=2, Resulting Numbers: [8, 2] Generated Node #0,0,0: 27:[8, 2] Operation: 30/15=2 Exploring Operation: 15-8=7, Resulting Numbers: [30, 7] Generated Node #0,0,1: 27:[30, 7] Operation: 15-8=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[8, 2], Operations: ['34-19=15', '30/15=2'] Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 27:[30, 7], Operations: ['34-19=15', '15-8=7'] Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,27 unequal: No Solution Exploring Operation: 30+7=37, Resulting Numbers: [37] 37,27 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: 27:[34, 8, 11], Operations: ['30-19=11'] Exploring Operation: 34-11=23, Resulting Numbers: [8, 23] Generated Node #0,1,0: 27:[8, 23] Operation: 34-11=23 Exploring Operation: 34-8=26, Resulting Numbers: [11, 26] Generated Node #0,1,1: 27:[11, 26] Operation: 34-8=26 Moving to Node #0,1,1 Current State: 27:[11, 26], Operations: ['30-19=11', '34-8=26'] Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,27 unequal: No Solution Exploring Operation: 11+26=37, Resulting Numbers: [37] 37,27 unequal: No Solution Moving to Node #0,1,0 Current State: 27:[8, 23], Operations: ['30-19=11', '34-11=23'] Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,27 unequal: No Solution Exploring Operation: 8+23=31, Resulting Numbers: [31] 31,27 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 98, 94, 26, 49 ]
55
[ "98-94=4", "26*4=104", "104-49=55" ]
Current State: 55:[98, 94, 26, 49], Operations: [] Exploring Operation: 98-94=4, Resulting Numbers: [26, 49, 4] Generated Node #2: [26, 49, 4] from Operation: 98-94=4 Current State: 55:[26, 49, 4], Operations: ['98-94=4'] Exploring Operation: 26*4=104, Resulting Numbers: [49, 104] Generated Node #3: [49, 104] from Operation: 26*4=104 Current State: 55:[49, 104], Operations: ['98-94=4', '26*4=104'] Exploring Operation: 104-49=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[98, 94, 26, 49], Operations: [] Exploring Operation: 98-49=49, Resulting Numbers: [94, 26, 49] Generated Node #0,0: 55:[94, 26, 49] Operation: 98-49=49 Exploring Operation: 98-94=4, Resulting Numbers: [26, 49, 4] Generated Node #0,1: 55:[26, 49, 4] Operation: 98-94=4 Exploring Operation: 94-26=68, Resulting Numbers: [98, 49, 68] Generated Node #0,2: 55:[98, 49, 68] Operation: 94-26=68 Exploring Operation: 98/49=2, Resulting Numbers: [94, 26, 2] Generated Node #0,3: 55:[94, 26, 2] Operation: 98/49=2 Exploring Operation: 98-26=72, Resulting Numbers: [94, 49, 72] Generated Node #0,4: 55:[94, 49, 72] Operation: 98-26=72 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[26, 49, 4], Operations: ['98-94=4'] Exploring Operation: 49-26=23, Resulting Numbers: [4, 23] Generated Node #0,1,0: 55:[4, 23] Operation: 49-26=23 Exploring Operation: 26-4=22, Resulting Numbers: [49, 22] Generated Node #0,1,1: 55:[49, 22] Operation: 26-4=22 Exploring Operation: 26+4=30, Resulting Numbers: [49, 30] Generated Node #0,1,2: 55:[49, 30] Operation: 26+4=30 Exploring Operation: 49+4=53, Resulting Numbers: [26, 53] Generated Node #0,1,3: 55:[26, 53] Operation: 49+4=53 Exploring Operation: 26+49=75, Resulting Numbers: [4, 75] Generated Node #0,1,4: 55:[4, 75] Operation: 26+49=75 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[4, 23], Operations: ['98-94=4', '49-26=23'] Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,55 unequal: No Solution Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,55 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 #0,1,1 Current State: 55:[49, 22], Operations: ['98-94=4', '26-4=22'] Exploring Operation: 49+22=71, Resulting Numbers: [71] 71,55 unequal: No Solution Exploring Operation: 49*22=1078, Resulting Numbers: [1078] 1078,55 unequal: No Solution Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,55 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 #0,1,3 Current State: 55:[26, 53], Operations: ['98-94=4', '49+4=53'] Exploring Operation: 26+53=79, Resulting Numbers: [79] 79,55 unequal: No Solution Exploring Operation: 26*53=1378, Resulting Numbers: [1378] 1378,55 unequal: No Solution Exploring Operation: 53-26=27, Resulting Numbers: [27] 27,55 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 #0,1,4 Current State: 55:[4, 75], Operations: ['98-94=4', '26+49=75'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,55 unequal: No Solution Exploring Operation: 4+75=79, Resulting Numbers: [79] 79,55 unequal: No Solution Exploring Operation: 4*75=300, Resulting Numbers: [300] 300,55 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 #0,1,2 Current State: 55:[49, 30], Operations: ['98-94=4', '26+4=30'] Exploring Operation: 49+30=79, Resulting Numbers: [79] 79,55 unequal: No Solution Exploring Operation: 49*30=1470, Resulting Numbers: [1470] 1470,55 unequal: No Solution Exploring Operation: 49-30=19, Resulting Numbers: [19] 19,55 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 #0,3 Current State: 55:[94, 26, 2], Operations: ['98/49=2'] Exploring Operation: 94-26=68, Resulting Numbers: [2, 68] Generated Node #0,3,0: 55:[2, 68] Operation: 94-26=68 Exploring Operation: 26*2=52, Resulting Numbers: [94, 52] Generated Node #0,3,1: 55:[94, 52] Operation: 26*2=52 Exploring Operation: 94/2=47, Resulting Numbers: [26, 47] Generated Node #0,3,2: 55:[26, 47] Operation: 94/2=47 Exploring Operation: 26/2=13, Resulting Numbers: [94, 13] Generated Node #0,3,3: 55:[94, 13] Operation: 26/2=13 Exploring Operation: 94-2=92, Resulting Numbers: [26, 92] Generated Node #0,3,4: 55:[26, 92] Operation: 94-2=92 Moving to Node #0,3,0 Current State: 55:[2, 68], Operations: ['98/49=2', '94-26=68'] Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,55 unequal: No Solution Exploring Operation: 2+68=70, Resulting Numbers: [70] 70,55 unequal: No Solution Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,55 unequal: No Solution Exploring Operation: 2*68=136, Resulting Numbers: [136] 136,55 unequal: No Solution Moving to Node #0,3,2 Current State: 55:[26, 47], Operations: ['98/49=2', '94/2=47'] Exploring Operation: 26+47=73, Resulting Numbers: [73] 73,55 unequal: No Solution Exploring Operation: 26*47=1222, Resulting Numbers: [1222] 1222,55 unequal: No Solution Exploring Operation: 47-26=21, Resulting Numbers: [21] 21,55 unequal: No Solution Moving to Node #0,3,3 Current State: 55:[94, 13], Operations: ['98/49=2', '26/2=13'] Exploring Operation: 94+13=107, Resulting Numbers: [107] 107,55 unequal: No Solution Exploring Operation: 94*13=1222, Resulting Numbers: [1222] 1222,55 unequal: No Solution Exploring Operation: 94-13=81, Resulting Numbers: [81] 81,55 unequal: No Solution Moving to Node #0,3,1 Current State: 55:[94, 52], Operations: ['98/49=2', '26*2=52'] Exploring Operation: 94*52=4888, Resulting Numbers: [4888] 4888,55 unequal: No Solution Exploring Operation: 94+52=146, Resulting Numbers: [146] 146,55 unequal: No Solution Exploring Operation: 94-52=42, Resulting Numbers: [42] 42,55 unequal: No Solution Moving to Node #0,3,4 Current State: 55:[26, 92], Operations: ['98/49=2', '94-2=92'] Exploring Operation: 26+92=118, Resulting Numbers: [118] 118,55 unequal: No Solution Exploring Operation: 26*92=2392, Resulting Numbers: [2392] 2392,55 unequal: No Solution Exploring Operation: 92-26=66, Resulting Numbers: [66] 66,55 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 Current State: 55:[94, 26, 49], Operations: ['98-49=49'] Exploring Operation: 94+26=120, Resulting Numbers: [49, 120] Generated Node #0,0,0: 55:[49, 120] Operation: 94+26=120 Exploring Operation: 49-26=23, Resulting Numbers: [94, 23] Generated Node #0,0,1: 55:[94, 23] Operation: 49-26=23 Exploring Operation: 94-26=68, Resulting Numbers: [49, 68] Generated Node #0,0,2: 55:[49, 68] Operation: 94-26=68 Exploring Operation: 94-49=45, Resulting Numbers: [26, 45] Generated Node #0,0,3: 55:[26, 45] Operation: 94-49=45 Exploring Operation: 26+49=75, Resulting Numbers: [94, 75] Generated Node #0,0,4: 55:[94, 75] Operation: 26+49=75 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 55:[49, 68], Operations: ['98-49=49', '94-26=68'] Exploring Operation: 49+68=117, Resulting Numbers: [117] 117,55 unequal: No Solution Exploring Operation: 49*68=3332, Resulting Numbers: [3332] 3332,55 unequal: No Solution Exploring Operation: 68-49=19, Resulting Numbers: [19] 19,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 55:[26, 45], Operations: ['98-49=49', '94-49=45'] Exploring Operation: 26+45=71, Resulting Numbers: [71] 71,55 unequal: No Solution Exploring Operation: 26*45=1170, Resulting Numbers: [1170] 1170,55 unequal: No Solution Exploring Operation: 45-26=19, Resulting Numbers: [19] 19,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 55:[94, 23], Operations: ['98-49=49', '49-26=23'] Exploring Operation: 94+23=117, Resulting Numbers: [117] 117,55 unequal: No Solution Exploring Operation: 94-23=71, Resulting Numbers: [71] 71,55 unequal: No Solution Exploring Operation: 94*23=2162, Resulting Numbers: [2162] 2162,55 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 #0,0,4 Current State: 55:[94, 75], Operations: ['98-49=49', '26+49=75'] Exploring Operation: 94*75=7050, Resulting Numbers: [7050] 7050,55 unequal: No Solution Exploring Operation: 94-75=19, Resulting Numbers: [19] 19,55 unequal: No Solution Exploring Operation: 94+75=169, Resulting Numbers: [169] 169,55 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 #0,0,0 Current State: 55:[49, 120], Operations: ['98-49=49', '94+26=120'] Exploring Operation: 49*120=5880, Resulting Numbers: [5880] 5880,55 unequal: No Solution Exploring Operation: 120-49=71, Resulting Numbers: [71] 71,55 unequal: No Solution Exploring Operation: 49+120=169, Resulting Numbers: [169] 169,55 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 #0,2 Current State: 55:[98, 49, 68], Operations: ['94-26=68'] Exploring Operation: 98-49=49, Resulting Numbers: [68, 49] Generated Node #0,2,0: 55:[68, 49] Operation: 98-49=49 Exploring Operation: 98-68=30, Resulting Numbers: [49, 30] Generated Node #0,2,1: 55:[49, 30] Operation: 98-68=30 Exploring Operation: 68-49=19, Resulting Numbers: [98, 19] Generated Node #0,2,2: 55:[98, 19] Operation: 68-49=19 Exploring Operation: 98/49=2, Resulting Numbers: [68, 2] Generated Node #0,2,3: 55:[68, 2] Operation: 98/49=2 Exploring Operation: 98+49=147, Resulting Numbers: [68, 147] Generated Node #0,2,4: 55:[68, 147] Operation: 98+49=147 Moving to Node #0,2,3 Current State: 55:[68, 2], Operations: ['94-26=68', '98/49=2'] Exploring Operation: 68+2=70, Resulting Numbers: [70] 70,55 unequal: No Solution Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,55 unequal: No Solution Exploring Operation: 68*2=136, Resulting Numbers: [136] 136,55 unequal: No Solution Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,55 unequal: No Solution Moving to Node #0,2,0 Current State: 55:[68, 49], Operations: ['94-26=68', '98-49=49'] Exploring Operation: 68+49=117, Resulting Numbers: [117] 117,55 unequal: No Solution Exploring Operation: 68-49=19, Resulting Numbers: [19] 19,55 unequal: No Solution Exploring Operation: 68*49=3332, Resulting Numbers: [3332] 3332,55 unequal: No Solution Moving to Node #0,2,1 Current State: 55:[49, 30], Operations: ['94-26=68', '98-68=30'] Exploring Operation: 49*30=1470, Resulting Numbers: [1470] 1470,55 unequal: No Solution Exploring Operation: 49+30=79, Resulting Numbers: [79] 79,55 unequal: No Solution Exploring Operation: 49-30=19, Resulting Numbers: [19] 19,55 unequal: No Solution Moving to Node #0,2,2 Current State: 55:[98, 19], Operations: ['94-26=68', '68-49=19'] Exploring Operation: 98+19=117, Resulting Numbers: [117] 117,55 unequal: No Solution Exploring Operation: 98*19=1862, Resulting Numbers: [1862] 1862,55 unequal: No Solution Exploring Operation: 98-19=79, Resulting Numbers: [79] 79,55 unequal: No Solution Moving to Node #0,2,4 Current State: 55:[68, 147], Operations: ['94-26=68', '98+49=147'] Exploring Operation: 147-68=79, Resulting Numbers: [79] 79,55 unequal: No Solution Exploring Operation: 68+147=215, Resulting Numbers: [215] 215,55 unequal: No Solution Exploring Operation: 68*147=9996, Resulting Numbers: [9996] 9996,55 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 #0,4 Current State: 55:[94, 49, 72], Operations: ['98-26=72'] Exploring Operation: 49+72=121, Resulting Numbers: [94, 121] Generated Node #0,4,0: 55:[94, 121] Operation: 49+72=121 Exploring Operation: 94+49=143, Resulting Numbers: [72, 143] Generated Node #0,4,1: 55:[72, 143] Operation: 94+49=143 Exploring Operation: 94-49=45, Resulting Numbers: [72, 45] Generated Node #0,4,2: 55:[72, 45] Operation: 94-49=45 Exploring Operation: 94-72=22, Resulting Numbers: [49, 22] Generated Node #0,4,3: 55:[49, 22] Operation: 94-72=22 Exploring Operation: 72-49=23, Resulting Numbers: [94, 23] Generated Node #0,4,4: 55:[94, 23] Operation: 72-49=23 Moving to Node #0,4,3 Current State: 55:[49, 22], Operations: ['98-26=72', '94-72=22'] Exploring Operation: 49+22=71, Resulting Numbers: [71] 71,55 unequal: No Solution Exploring Operation: 49*22=1078, Resulting Numbers: [1078] 1078,55 unequal: No Solution Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,55 unequal: No Solution Moving to Node #0,4,2 Current State: 55:[72, 45], Operations: ['98-26=72', '94-49=45'] Exploring Operation: 72*45=3240, Resulting Numbers: [3240] 3240,55 unequal: No Solution Exploring Operation: 72-45=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 72+45=117, Resulting Numbers: [117] 117,55 unequal: No Solution Moving to Node #0,4,4 Current State: 55:[94, 23], Operations: ['98-26=72', '72-49=23'] Exploring Operation: 94+23=117, Resulting Numbers: [117] 117,55 unequal: No Solution Exploring Operation: 94-23=71, Resulting Numbers: [71] 71,55 unequal: No Solution Exploring Operation: 94*23=2162, Resulting Numbers: [2162] 2162,55 unequal: No Solution Moving to Node #0,4,0 Current State: 55:[94, 121], Operations: ['98-26=72', '49+72=121'] Exploring Operation: 94*121=11374, Resulting Numbers: [11374] 11374,55 unequal: No Solution Exploring Operation: 121-94=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 94+121=215, Resulting Numbers: [215] 215,55 unequal: No Solution Moving to Node #0,4,1 Current State: 55:[72, 143], Operations: ['98-26=72', '94+49=143'] Exploring Operation: 143-72=71, Resulting Numbers: [71] 71,55 unequal: No Solution Exploring Operation: 72*143=10296, Resulting Numbers: [10296] 10296,55 unequal: No Solution Exploring Operation: 72+143=215, Resulting Numbers: [215] 215,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 22, 45, 31, 21 ]
99
[ "22*45=990", "31-21=10", "990/10=99" ]
Current State: 99:[22, 45, 31, 21], Operations: [] Exploring Operation: 22*45=990, Resulting Numbers: [31, 21, 990] Generated Node #2: [31, 21, 990] from Operation: 22*45=990 Current State: 99:[31, 21, 990], Operations: ['22*45=990'] Exploring Operation: 31-21=10, Resulting Numbers: [990, 10] Generated Node #3: [990, 10] from Operation: 31-21=10 Current State: 99:[990, 10], Operations: ['22*45=990', '31-21=10'] Exploring Operation: 990/10=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[22, 45, 31, 21], Operations: [] Exploring Operation: 22-21=1, Resulting Numbers: [45, 31, 1] Generated Node #0,0: 99:[45, 31, 1] Operation: 22-21=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[45, 31, 1], Operations: ['22-21=1'] Exploring Operation: 45-31=14, Resulting Numbers: [1, 14] Generated Node #0,0,0: 99:[1, 14] Operation: 45-31=14 Moving to Node #0,0,0 Current State: 99:[1, 14], Operations: ['22-21=1', '45-31=14'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,99 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
[ 93, 5, 76, 51 ]
39
[ "93-5=88", "76+51=127", "127-88=39" ]
Current State: 39:[93, 5, 76, 51], Operations: [] Exploring Operation: 93-5=88, Resulting Numbers: [76, 51, 88] Generated Node #2: [76, 51, 88] from Operation: 93-5=88 Current State: 39:[76, 51, 88], Operations: ['93-5=88'] Exploring Operation: 76+51=127, Resulting Numbers: [88, 127] Generated Node #3: [88, 127] from Operation: 76+51=127 Current State: 39:[88, 127], Operations: ['93-5=88', '76+51=127'] Exploring Operation: 127-88=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[93, 5, 76, 51], Operations: [] Exploring Operation: 93-5=88, Resulting Numbers: [76, 51, 88] Generated Node #0,0: 39:[76, 51, 88] Operation: 93-5=88 Exploring Operation: 93-76=17, Resulting Numbers: [5, 51, 17] Generated Node #0,1: 39:[5, 51, 17] Operation: 93-76=17 Exploring Operation: 76-51=25, Resulting Numbers: [93, 5, 25] Generated Node #0,2: 39:[93, 5, 25] Operation: 76-51=25 Exploring Operation: 93-51=42, Resulting Numbers: [5, 76, 42] Generated Node #0,3: 39:[5, 76, 42] Operation: 93-51=42 Moving to Node #0,1 Current State: 39:[5, 51, 17], Operations: ['93-76=17'] Exploring Operation: 51-5=46, Resulting Numbers: [17, 46] Generated Node #0,1,0: 39:[17, 46] Operation: 51-5=46 Exploring Operation: 51/17=3, Resulting Numbers: [5, 3] Generated Node #0,1,1: 39:[5, 3] Operation: 51/17=3 Exploring Operation: 51-17=34, Resulting Numbers: [5, 34] Generated Node #0,1,2: 39:[5, 34] Operation: 51-17=34 Exploring Operation: 17-5=12, Resulting Numbers: [51, 12] Generated Node #0,1,3: 39:[51, 12] Operation: 17-5=12 Moving to Node #0,3 Current State: 39:[5, 76, 42], Operations: ['93-51=42'] Exploring Operation: 76-5=71, Resulting Numbers: [42, 71] Generated Node #0,3,0: 39:[42, 71] Operation: 76-5=71 Exploring Operation: 76-42=34, Resulting Numbers: [5, 34] Generated Node #0,3,1: 39:[5, 34] Operation: 76-42=34 Exploring Operation: 5+76=81, Resulting Numbers: [42, 81] Generated Node #0,3,2: 39:[42, 81] Operation: 5+76=81 Exploring Operation: 42-5=37, Resulting Numbers: [76, 37] Generated Node #0,3,3: 39:[76, 37] Operation: 42-5=37 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 39:[5, 34], Operations: ['93-51=42', '76-42=34'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,39 unequal: No Solution Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[93, 5, 76, 51], Operations: [] Exploring Operation: 93-51=42, Resulting Numbers: [5, 76, 42] Generated Node #0,3: 39:[5, 76, 42] Operation: 93-51=42 Moving to Node #0,3 Current State: 39:[5, 76, 42], Operations: ['93-51=42'] Exploring Operation: 76-42=34, Resulting Numbers: [5, 34] Generated Node #0,3,1: 39:[5, 34] Operation: 76-42=34 Moving to Node #0,3,1 Current State: 39:[5, 34], Operations: ['93-51=42', '76-42=34'] Exploring Operation: 5+34=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 18, 96, 42, 6 ]
51
[ "18/6=3", "96-42=54", "54-3=51" ]
Current State: 51:[18, 96, 42, 6], Operations: [] Exploring Operation: 18/6=3, Resulting Numbers: [96, 42, 3] Generated Node #2: [96, 42, 3] from Operation: 18/6=3 Current State: 51:[96, 42, 3], Operations: ['18/6=3'] Exploring Operation: 96-42=54, Resulting Numbers: [3, 54] Generated Node #3: [3, 54] from Operation: 96-42=54 Current State: 51:[3, 54], Operations: ['18/6=3', '96-42=54'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[18, 96, 42, 6], Operations: [] Exploring Operation: 96-6=90, Resulting Numbers: [18, 42, 90] Generated Node #0,0: 51:[18, 42, 90] Operation: 96-6=90 Exploring Operation: 42+6=48, Resulting Numbers: [18, 96, 48] Generated Node #0,1: 51:[18, 96, 48] Operation: 42+6=48 Exploring Operation: 96-18=78, Resulting Numbers: [42, 6, 78] Generated Node #0,2: 51:[42, 6, 78] Operation: 96-18=78 Exploring Operation: 96-42=54, Resulting Numbers: [18, 6, 54] Generated Node #0,3: 51:[18, 6, 54] Operation: 96-42=54 Exploring Operation: 96/6=16, Resulting Numbers: [18, 42, 16] Generated Node #0,4: 51:[18, 42, 16] Operation: 96/6=16 Start Sub Search at level 1: Moving to Node #0,3 Current State: 51:[18, 6, 54], Operations: ['96-42=54'] Exploring Operation: 18-6=12, Resulting Numbers: [54, 12] Generated Node #0,3,0: 51:[54, 12] Operation: 18-6=12 Exploring Operation: 18/6=3, Resulting Numbers: [54, 3] Generated Node #0,3,1: 51:[54, 3] Operation: 18/6=3 Exploring Operation: 54/18=3, Resulting Numbers: [6, 3] Generated Node #0,3,2: 51:[6, 3] Operation: 54/18=3 Exploring Operation: 54-6=48, Resulting Numbers: [18, 48] Generated Node #0,3,3: 51:[18, 48] Operation: 54-6=48 Exploring Operation: 54/6=9, Resulting Numbers: [18, 9] Generated Node #0,3,4: 51:[18, 9] Operation: 54/6=9 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 51:[54, 3], Operations: ['96-42=54', '18/6=3'] Exploring Operation: 54+3=57, Resulting Numbers: [57] 57,51 unequal: No Solution Exploring Operation: 54*3=162, Resulting Numbers: [162] 162,51 unequal: No Solution Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,51 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[18, 96, 42, 6], Operations: [] Exploring Operation: 96-42=54, Resulting Numbers: [18, 6, 54] Generated Node #0,3: 51:[18, 6, 54] Operation: 96-42=54 Moving to Node #0,3 Current State: 51:[18, 6, 54], Operations: ['96-42=54'] Exploring Operation: 18/6=3, Resulting Numbers: [54, 3] Generated Node #0,3,1: 51:[54, 3] Operation: 18/6=3 Moving to Node #0,3,1 Current State: 51:[54, 3], Operations: ['96-42=54', '18/6=3'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 9, 44, 92, 10 ]
48
[ "10-9=1", "92-44=48", "1*48=48" ]
Current State: 48:[9, 44, 92, 10], Operations: [] Exploring Operation: 10-9=1, Resulting Numbers: [44, 92, 1] Generated Node #2: [44, 92, 1] from Operation: 10-9=1 Current State: 48:[44, 92, 1], Operations: ['10-9=1'] Exploring Operation: 92-44=48, Resulting Numbers: [1, 48] Generated Node #3: [1, 48] from Operation: 92-44=48 Current State: 48:[1, 48], Operations: ['10-9=1', '92-44=48'] Exploring Operation: 1*48=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[9, 44, 92, 10], Operations: [] Exploring Operation: 92-44=48, Resulting Numbers: [9, 10, 48] Generated Node #0,0: 48:[9, 10, 48] Operation: 92-44=48 Moving to Node #0,0 Current State: 48:[9, 10, 48], Operations: ['92-44=48'] Exploring Operation: 10-9=1, Resulting Numbers: [48, 1] Generated Node #0,0,0: 48:[48, 1] Operation: 10-9=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[48, 1], Operations: ['92-44=48', '10-9=1'] Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[9, 44, 92, 10], Operations: [] Exploring Operation: 92-44=48, Resulting Numbers: [9, 10, 48] Generated Node #0,0: 48:[9, 10, 48] Operation: 92-44=48 Moving to Node #0,0 Current State: 48:[9, 10, 48], Operations: ['92-44=48'] Exploring Operation: 10-9=1, Resulting Numbers: [48, 1] Generated Node #0,0,0: 48:[48, 1] Operation: 10-9=1 Moving to Node #0,0,0 Current State: 48:[48, 1], Operations: ['92-44=48', '10-9=1'] Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 35, 91, 1, 4 ]
84
[ "1+4=5", "35*5=175", "175-91=84" ]
Current State: 84:[35, 91, 1, 4], Operations: [] Exploring Operation: 1+4=5, Resulting Numbers: [35, 91, 5] Generated Node #2: [35, 91, 5] from Operation: 1+4=5 Current State: 84:[35, 91, 5], Operations: ['1+4=5'] Exploring Operation: 35*5=175, Resulting Numbers: [91, 175] Generated Node #3: [91, 175] from Operation: 35*5=175 Current State: 84:[91, 175], Operations: ['1+4=5', '35*5=175'] Exploring Operation: 175-91=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[35, 91, 1, 4], Operations: [] Exploring Operation: 35+1=36, Resulting Numbers: [91, 4, 36] Generated Node #0,0: 84:[91, 4, 36] Operation: 35+1=36 Exploring Operation: 35+4=39, Resulting Numbers: [91, 1, 39] Generated Node #0,1: 84:[91, 1, 39] Operation: 35+4=39 Exploring Operation: 91-4=87, Resulting Numbers: [35, 1, 87] Generated Node #0,2: 84:[35, 1, 87] Operation: 91-4=87 Exploring Operation: 35-4=31, Resulting Numbers: [91, 1, 31] Generated Node #0,3: 84:[91, 1, 31] Operation: 35-4=31 Exploring Operation: 35-1=34, Resulting Numbers: [91, 4, 34] Generated Node #0,4: 84:[91, 4, 34] Operation: 35-1=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[91, 1, 39], Operations: ['35+4=39'] Exploring Operation: 1+39=40, Resulting Numbers: [91, 40] Generated Node #0,1,0: 84:[91, 40] Operation: 1+39=40 Exploring Operation: 91-1=90, Resulting Numbers: [39, 90] Generated Node #0,1,1: 84:[39, 90] Operation: 91-1=90 Exploring Operation: 91*1=91, Resulting Numbers: [39, 91] Generated Node #0,1,2: 84:[39, 91] Operation: 91*1=91 Exploring Operation: 91/1=91, Resulting Numbers: [39, 91] Generated Node #0,1,3: 84:[39, 91] Operation: 91/1=91 Exploring Operation: 1*39=39, Resulting Numbers: [91, 39] Generated Node #0,1,4: 84:[91, 39] Operation: 1*39=39 Moving to Node #0,1,0 Current State: 84:[91, 40], Operations: ['35+4=39', '1+39=40'] Exploring Operation: 91+40=131, Resulting Numbers: [131] 131,84 unequal: No Solution Exploring Operation: 91*40=3640, Resulting Numbers: [3640] 3640,84 unequal: No Solution Exploring Operation: 91-40=51, Resulting Numbers: [51] 51,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[39, 90], Operations: ['35+4=39', '91-1=90'] Exploring Operation: 39+90=129, Resulting Numbers: [129] 129,84 unequal: No Solution Exploring Operation: 39*90=3510, Resulting Numbers: [3510] 3510,84 unequal: No Solution Exploring Operation: 90-39=51, Resulting Numbers: [51] 51,84 unequal: No Solution Moving to Node #0,1,2 Current State: 84:[39, 91], Operations: ['35+4=39', '91*1=91'] Exploring Operation: 39*91=3549, Resulting Numbers: [3549] 3549,84 unequal: No Solution Exploring Operation: 91-39=52, Resulting Numbers: [52] 52,84 unequal: No Solution Exploring Operation: 39+91=130, Resulting Numbers: [130] 130,84 unequal: No Solution Moving to Node #0,1,3 Current State: 84:[39, 91], Operations: ['35+4=39', '91/1=91'] Exploring Operation: 39+91=130, Resulting Numbers: [130] 130,84 unequal: No Solution Exploring Operation: 39*91=3549, Resulting Numbers: [3549] 3549,84 unequal: No Solution Exploring Operation: 91-39=52, Resulting Numbers: [52] 52,84 unequal: No Solution Moving to Node #0,1,4 Current State: 84:[91, 39], Operations: ['35+4=39', '1*39=39'] Exploring Operation: 91-39=52, Resulting Numbers: [52] 52,84 unequal: No Solution Exploring Operation: 91+39=130, Resulting Numbers: [130] 130,84 unequal: No Solution Exploring Operation: 91*39=3549, Resulting Numbers: [3549] 3549,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[35, 1, 87], Operations: ['91-4=87'] Exploring Operation: 87-1=86, Resulting Numbers: [35, 86] Generated Node #0,2,0: 84:[35, 86] Operation: 87-1=86 Exploring Operation: 35-1=34, Resulting Numbers: [87, 34] Generated Node #0,2,1: 84:[87, 34] Operation: 35-1=34 Exploring Operation: 35*1=35, Resulting Numbers: [87, 35] Generated Node #0,2,2: 84:[87, 35] Operation: 35*1=35 Exploring Operation: 35/1=35, Resulting Numbers: [87, 35] Generated Node #0,2,3: 84:[87, 35] Operation: 35/1=35 Exploring Operation: 35+1=36, Resulting Numbers: [87, 36] Generated Node #0,2,4: 84:[87, 36] Operation: 35+1=36 Moving to Node #0,2,0 Current State: 84:[35, 86], Operations: ['91-4=87', '87-1=86'] Exploring Operation: 35*86=3010, Resulting Numbers: [3010] 3010,84 unequal: No Solution Exploring Operation: 35+86=121, Resulting Numbers: [121] 121,84 unequal: No Solution Exploring Operation: 86-35=51, Resulting Numbers: [51] 51,84 unequal: No Solution Moving to Node #0,2,4 Current State: 84:[87, 36], Operations: ['91-4=87', '35+1=36'] Exploring Operation: 87*36=3132, Resulting Numbers: [3132] 3132,84 unequal: No Solution Exploring Operation: 87+36=123, Resulting Numbers: [123] 123,84 unequal: No Solution Exploring Operation: 87-36=51, Resulting Numbers: [51] 51,84 unequal: No Solution Moving to Node #0,2,1 Current State: 84:[87, 34], Operations: ['91-4=87', '35-1=34'] Exploring Operation: 87*34=2958, Resulting Numbers: [2958] 2958,84 unequal: No Solution Exploring Operation: 87-34=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 87+34=121, Resulting Numbers: [121] 121,84 unequal: No Solution Moving to Node #0,2,2 Current State: 84:[87, 35], Operations: ['91-4=87', '35*1=35'] Exploring Operation: 87-35=52, Resulting Numbers: [52] 52,84 unequal: No Solution Exploring Operation: 87+35=122, Resulting Numbers: [122] 122,84 unequal: No Solution Exploring Operation: 87*35=3045, Resulting Numbers: [3045] 3045,84 unequal: No Solution Moving to Node #0,2,3 Current State: 84:[87, 35], Operations: ['91-4=87', '35/1=35'] Exploring Operation: 87*35=3045, Resulting Numbers: [3045] 3045,84 unequal: No Solution Exploring Operation: 87-35=52, Resulting Numbers: [52] 52,84 unequal: No Solution Exploring Operation: 87+35=122, Resulting Numbers: [122] 122,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 84:[91, 1, 31], Operations: ['35-4=31'] Exploring Operation: 91/1=91, Resulting Numbers: [31, 91] Generated Node #0,3,0: 84:[31, 91] Operation: 91/1=91 Exploring Operation: 91*1=91, Resulting Numbers: [31, 91] Generated Node #0,3,1: 84:[31, 91] Operation: 91*1=91 Exploring Operation: 1*31=31, Resulting Numbers: [91, 31] Generated Node #0,3,2: 84:[91, 31] Operation: 1*31=31 Exploring Operation: 91-1=90, Resulting Numbers: [31, 90] Generated Node #0,3,3: 84:[31, 90] Operation: 91-1=90 Exploring Operation: 31-1=30, Resulting Numbers: [91, 30] Generated Node #0,3,4: 84:[91, 30] Operation: 31-1=30 Moving to Node #0,3,3 Current State: 84:[31, 90], Operations: ['35-4=31', '91-1=90'] Exploring Operation: 31*90=2790, Resulting Numbers: [2790] 2790,84 unequal: No Solution Exploring Operation: 31+90=121, Resulting Numbers: [121] 121,84 unequal: No Solution Exploring Operation: 90-31=59, Resulting Numbers: [59] 59,84 unequal: No Solution Moving to Node #0,3,4 Current State: 84:[91, 30], Operations: ['35-4=31', '31-1=30'] Exploring Operation: 91+30=121, Resulting Numbers: [121] 121,84 unequal: No Solution Exploring Operation: 91-30=61, Resulting Numbers: [61] 61,84 unequal: No Solution Exploring Operation: 91*30=2730, Resulting Numbers: [2730] 2730,84 unequal: No Solution Moving to Node #0,3,0 Current State: 84:[31, 91], Operations: ['35-4=31', '91/1=91'] Exploring Operation: 91-31=60, Resulting Numbers: [60] 60,84 unequal: No Solution Exploring Operation: 31*91=2821, Resulting Numbers: [2821] 2821,84 unequal: No Solution Exploring Operation: 31+91=122, Resulting Numbers: [122] 122,84 unequal: No Solution Moving to Node #0,3,1 Current State: 84:[31, 91], Operations: ['35-4=31', '91*1=91'] Exploring Operation: 31*91=2821, Resulting Numbers: [2821] 2821,84 unequal: No Solution Exploring Operation: 91-31=60, Resulting Numbers: [60] 60,84 unequal: No Solution Exploring Operation: 31+91=122, Resulting Numbers: [122] 122,84 unequal: No Solution Moving to Node #0,3,2 Current State: 84:[91, 31], Operations: ['35-4=31', '1*31=31'] Exploring Operation: 91-31=60, Resulting Numbers: [60] 60,84 unequal: No Solution Exploring Operation: 91*31=2821, Resulting Numbers: [2821] 2821,84 unequal: No Solution Exploring Operation: 91+31=122, Resulting Numbers: [122] 122,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[91, 4, 36], Operations: ['35+1=36'] Exploring Operation: 36/4=9, Resulting Numbers: [91, 9] Generated Node #0,0,0: 84:[91, 9] Operation: 36/4=9 Exploring Operation: 91-4=87, Resulting Numbers: [36, 87] Generated Node #0,0,1: 84:[36, 87] Operation: 91-4=87 Exploring Operation: 36-4=32, Resulting Numbers: [91, 32] Generated Node #0,0,2: 84:[91, 32] Operation: 36-4=32 Exploring Operation: 4+36=40, Resulting Numbers: [91, 40] Generated Node #0,0,3: 84:[91, 40] Operation: 4+36=40 Exploring Operation: 91-36=55, Resulting Numbers: [4, 55] Generated Node #0,0,4: 84:[4, 55] Operation: 91-36=55 Moving to Node #0,0,0 Current State: 84:[91, 9], Operations: ['35+1=36', '36/4=9'] Exploring Operation: 91-9=82, Resulting Numbers: [82] 82,84 unequal: No Solution Exploring Operation: 91*9=819, Resulting Numbers: [819] 819,84 unequal: No Solution Exploring Operation: 91+9=100, Resulting Numbers: [100] 100,84 unequal: No Solution Moving to Node #0,0,3 Current State: 84:[91, 40], Operations: ['35+1=36', '4+36=40'] Exploring Operation: 91*40=3640, Resulting Numbers: [3640] 3640,84 unequal: No Solution Exploring Operation: 91+40=131, Resulting Numbers: [131] 131,84 unequal: No Solution Exploring Operation: 91-40=51, Resulting Numbers: [51] 51,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[36, 87], Operations: ['35+1=36', '91-4=87'] Exploring Operation: 87-36=51, Resulting Numbers: [51] 51,84 unequal: No Solution Exploring Operation: 36*87=3132, Resulting Numbers: [3132] 3132,84 unequal: No Solution Exploring Operation: 36+87=123, Resulting Numbers: [123] 123,84 unequal: No Solution Moving to Node #0,0,2 Current State: 84:[91, 32], Operations: ['35+1=36', '36-4=32'] Exploring Operation: 91-32=59, Resulting Numbers: [59] 59,84 unequal: No Solution Exploring Operation: 91*32=2912, Resulting Numbers: [2912] 2912,84 unequal: No Solution Exploring Operation: 91+32=123, Resulting Numbers: [123] 123,84 unequal: No Solution Moving to Node #0,0,4 Current State: 84:[4, 55], Operations: ['35+1=36', '91-36=55'] Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,84 unequal: No Solution Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,84 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 84:[91, 4, 34], Operations: ['35-1=34'] Exploring Operation: 91-4=87, Resulting Numbers: [34, 87] Generated Node #0,4,0: 84:[34, 87] Operation: 91-4=87 Exploring Operation: 4+34=38, Resulting Numbers: [91, 38] Generated Node #0,4,1: 84:[91, 38] Operation: 4+34=38 Exploring Operation: 34-4=30, Resulting Numbers: [91, 30] Generated Node #0,4,2: 84:[91, 30] Operation: 34-4=30 Exploring Operation: 91-34=57, Resulting Numbers: [4, 57] Generated Node #0,4,3: 84:[4, 57] Operation: 91-34=57 Exploring Operation: 91+4=95, Resulting Numbers: [34, 95] Generated Node #0,4,4: 84:[34, 95] Operation: 91+4=95 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 84:[34, 87], Operations: ['35-1=34', '91-4=87'] Exploring Operation: 87-34=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 34*87=2958, Resulting Numbers: [2958] 2958,84 unequal: No Solution Exploring Operation: 34+87=121, Resulting Numbers: [121] 121,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 84:[91, 30], Operations: ['35-1=34', '34-4=30'] Exploring Operation: 91*30=2730, Resulting Numbers: [2730] 2730,84 unequal: No Solution Exploring Operation: 91+30=121, Resulting Numbers: [121] 121,84 unequal: No Solution Exploring Operation: 91-30=61, Resulting Numbers: [61] 61,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 84:[91, 38], Operations: ['35-1=34', '4+34=38'] Exploring Operation: 91*38=3458, Resulting Numbers: [3458] 3458,84 unequal: No Solution Exploring Operation: 91-38=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 91+38=129, Resulting Numbers: [129] 129,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 84:[4, 57], Operations: ['35-1=34', '91-34=57'] Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 4+57=61, Resulting Numbers: [61] 61,84 unequal: No Solution Exploring Operation: 4*57=228, Resulting Numbers: [228] 228,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 84:[34, 95], Operations: ['35-1=34', '91+4=95'] Exploring Operation: 95-34=61, Resulting Numbers: [61] 61,84 unequal: No Solution Exploring Operation: 34*95=3230, Resulting Numbers: [3230] 3230,84 unequal: No Solution Exploring Operation: 34+95=129, Resulting Numbers: [129] 129,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 2, 50, 49, 74 ]
76
[ "2+74=76", "50-49=1", "76*1=76" ]
Current State: 76:[2, 50, 49, 74], Operations: [] Exploring Operation: 2+74=76, Resulting Numbers: [50, 49, 76] Generated Node #2: [50, 49, 76] from Operation: 2+74=76 Current State: 76:[50, 49, 76], Operations: ['2+74=76'] Exploring Operation: 50-49=1, Resulting Numbers: [76, 1] Generated Node #3: [76, 1] from Operation: 50-49=1 Current State: 76:[76, 1], Operations: ['2+74=76', '50-49=1'] Exploring Operation: 76*1=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[2, 50, 49, 74], Operations: [] Exploring Operation: 50-49=1, Resulting Numbers: [2, 74, 1] Generated Node #0,0: 76:[2, 74, 1] Operation: 50-49=1 Exploring Operation: 74-50=24, Resulting Numbers: [2, 49, 24] Generated Node #0,1: 76:[2, 49, 24] Operation: 74-50=24 Moving to Node #0,0 Current State: 76:[2, 74, 1], Operations: ['50-49=1'] Exploring Operation: 74+1=75, Resulting Numbers: [2, 75] Generated Node #0,0,0: 76:[2, 75] Operation: 74+1=75 Exploring Operation: 2+74=76, Resulting Numbers: [1, 76] Generated Node #0,0,1: 76:[1, 76] Operation: 2+74=76 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[2, 75], Operations: ['50-49=1', '74+1=75'] Exploring Operation: 2+75=77, Resulting Numbers: [77] 77,76 unequal: No Solution Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,76 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 #0,0,1 Current State: 76:[1, 76], Operations: ['50-49=1', '2+74=76'] Exploring Operation: 1*76=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[2, 50, 49, 74], Operations: [] Exploring Operation: 50-49=1, Resulting Numbers: [2, 74, 1] Generated Node #0,0: 76:[2, 74, 1] Operation: 50-49=1 Moving to Node #0,0 Current State: 76:[2, 74, 1], Operations: ['50-49=1'] Exploring Operation: 2+74=76, Resulting Numbers: [1, 76] Generated Node #0,0,1: 76:[1, 76] Operation: 2+74=76 Moving to Node #0,0,1 Current State: 76:[1, 76], Operations: ['50-49=1', '2+74=76'] Exploring Operation: 1*76=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 43, 86, 86, 33 ]
96
[ "86-43=43", "86-33=53", "43+53=96" ]
Current State: 96:[43, 86, 86, 33], Operations: [] Exploring Operation: 86-43=43, Resulting Numbers: [33, 43] Generated Node #2: [33, 43] from Operation: 86-43=43 Current State: 96:[33, 43], Operations: ['86-43=43'] Exploring Operation: 86-33=53, Resulting Numbers: [43, 53] Generated Node #3: [43, 53] from Operation: 86-33=53 Current State: 96:[43, 53], Operations: ['86-43=43', '86-33=53'] Exploring Operation: 43+53=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[43, 86, 86, 33], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [86, 33, 2] Generated Node #0,0: 96:[86, 33, 2] Operation: 86/43=2 Exploring Operation: 86/86=1, Resulting Numbers: [43, 33, 1] Generated Node #0,1: 96:[43, 33, 1] Operation: 86/86=1 Exploring Operation: 86-86=0, Resulting Numbers: [43, 33, 0] Generated Node #0,2: 96:[43, 33, 0] Operation: 86-86=0 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[43, 33, 1], Operations: ['86/86=1'] Exploring Operation: 43-33=10, Resulting Numbers: [1, 10] Generated Node #0,1,0: 96:[1, 10] Operation: 43-33=10 Exploring Operation: 43+1=44, Resulting Numbers: [33, 44] Generated Node #0,1,1: 96:[33, 44] Operation: 43+1=44 Exploring Operation: 33-1=32, Resulting Numbers: [43, 32] Generated Node #0,1,2: 96:[43, 32] Operation: 33-1=32 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 96:[1, 10], Operations: ['86/86=1', '43-33=10'] Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,96 unequal: No Solution Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,96 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:[33, 44], Operations: ['86/86=1', '43+1=44'] Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 33*44=1452, Resulting Numbers: [1452] 1452,96 unequal: No Solution Exploring Operation: 33+44=77, Resulting Numbers: [77] 77,96 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 #0,1,2 Current State: 96:[43, 32], Operations: ['86/86=1', '33-1=32'] Exploring Operation: 43+32=75, Resulting Numbers: [75] 75,96 unequal: No Solution Exploring Operation: 43*32=1376, Resulting Numbers: [1376] 1376,96 unequal: No Solution Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,96 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 #0,2 Current State: 96:[43, 33, 0], Operations: ['86-86=0'] Exploring Operation: 43+0=43, Resulting Numbers: [33, 43] Generated Node #0,2,0: 96:[33, 43] Operation: 43+0=43 Exploring Operation: 43*0=0, Resulting Numbers: [33, 0] Generated Node #0,2,1: 96:[33, 0] Operation: 43*0=0 Exploring Operation: 43-33=10, Resulting Numbers: [0, 10] Generated Node #0,2,2: 96:[0, 10] Operation: 43-33=10 Moving to Node #0,2,1 Current State: 96:[33, 0], Operations: ['86-86=0', '43*0=0'] Exploring Operation: 33-0=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 33*0=0, Resulting Numbers: [0] 0,96 unequal: No Solution Exploring Operation: 33+0=33, Resulting Numbers: [33] 33,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[0, 10], Operations: ['86-86=0', '43-33=10'] Exploring Operation: 10-0=10, Resulting Numbers: [10] 10,96 unequal: No Solution Exploring Operation: 0+10=10, Resulting Numbers: [10] 10,96 unequal: No Solution Exploring Operation: 0*10=0, Resulting Numbers: [0] 0,96 unequal: No Solution Moving to Node #0,2,0 Current State: 96:[33, 43], Operations: ['86-86=0', '43+0=43'] Exploring Operation: 43-33=10, Resulting Numbers: [10] 10,96 unequal: No Solution Exploring Operation: 33*43=1419, Resulting Numbers: [1419] 1419,96 unequal: No Solution Exploring Operation: 33+43=76, Resulting Numbers: [76] 76,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[86, 33, 2], Operations: ['86/43=2'] Exploring Operation: 86+2=88, Resulting Numbers: [33, 88] Generated Node #0,0,0: 96:[33, 88] Operation: 86+2=88 Exploring Operation: 86/2=43, Resulting Numbers: [33, 43] Generated Node #0,0,1: 96:[33, 43] Operation: 86/2=43 Exploring Operation: 86-33=53, Resulting Numbers: [2, 53] Generated Node #0,0,2: 96:[2, 53] Operation: 86-33=53 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 96:[2, 53], Operations: ['86/43=2', '86-33=53'] Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,96 unequal: No Solution Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,96 unequal: No Solution Exploring Operation: 2*53=106, Resulting Numbers: [106] 106,96 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 #0,0,1 Current State: 96:[33, 43], Operations: ['86/43=2', '86/2=43'] Exploring Operation: 33*43=1419, Resulting Numbers: [1419] 1419,96 unequal: No Solution Exploring Operation: 33+43=76, Resulting Numbers: [76] 76,96 unequal: No Solution Exploring Operation: 43-33=10, Resulting Numbers: [10] 10,96 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 #0,0,0 Current State: 96:[33, 88], Operations: ['86/43=2', '86+2=88'] Exploring Operation: 33*88=2904, Resulting Numbers: [2904] 2904,96 unequal: No Solution Exploring Operation: 33+88=121, Resulting Numbers: [121] 121,96 unequal: No Solution Exploring Operation: 88-33=55, Resulting Numbers: [55] 55,96 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 No solution found.
0
hs_3
mult_heuristic
[ 44, 39, 53, 62 ]
92
[ "44+39=83", "62-53=9", "83+9=92" ]
Current State: 92:[44, 39, 53, 62], Operations: [] Exploring Operation: 44+39=83, Resulting Numbers: [53, 62, 83] Generated Node #2: [53, 62, 83] from Operation: 44+39=83 Current State: 92:[53, 62, 83], Operations: ['44+39=83'] Exploring Operation: 62-53=9, Resulting Numbers: [83, 9] Generated Node #3: [83, 9] from Operation: 62-53=9 Current State: 92:[83, 9], Operations: ['44+39=83', '62-53=9'] Exploring Operation: 83+9=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[44, 39, 53, 62], Operations: [] Exploring Operation: 62-39=23, Resulting Numbers: [44, 53, 23] Generated Node #0,0: 92:[44, 53, 23] Operation: 62-39=23 Moving to Node #0,0 Current State: 92:[44, 53, 23], Operations: ['62-39=23'] Exploring Operation: 44+53=97, Resulting Numbers: [23, 97] Generated Node #0,0,0: 92:[23, 97] Operation: 44+53=97 Moving to Node #0,0,0 Current State: 92:[23, 97], Operations: ['62-39=23', '44+53=97'] Exploring Operation: 97-23=74, Resulting Numbers: [74] 74,92 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 55, 71, 96, 27 ]
21
[ "71-55=16", "96/16=6", "27-6=21" ]
Current State: 21:[55, 71, 96, 27], Operations: [] Exploring Operation: 71-55=16, Resulting Numbers: [96, 27, 16] Generated Node #2: [96, 27, 16] from Operation: 71-55=16 Current State: 21:[96, 27, 16], Operations: ['71-55=16'] Exploring Operation: 96/16=6, Resulting Numbers: [27, 6] Generated Node #3: [27, 6] from Operation: 96/16=6 Current State: 21:[27, 6], Operations: ['71-55=16', '96/16=6'] Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[55, 71, 96, 27], Operations: [] Exploring Operation: 96-71=25, Resulting Numbers: [55, 27, 25] Generated Node #0,0: 21:[55, 27, 25] Operation: 96-71=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[55, 27, 25], Operations: ['96-71=25'] Exploring Operation: 55-27=28, Resulting Numbers: [25, 28] Generated Node #0,0,0: 21:[25, 28] Operation: 55-27=28 Moving to Node #0,0,0 Current State: 21:[25, 28], Operations: ['96-71=25', '55-27=28'] Exploring Operation: 28-25=3, Resulting Numbers: [3] 3,21 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
[ 33, 10, 22, 48 ]
69
[ "33+10=43", "48-22=26", "43+26=69" ]
Current State: 69:[33, 10, 22, 48], Operations: [] Exploring Operation: 33+10=43, Resulting Numbers: [22, 48, 43] Generated Node #2: [22, 48, 43] from Operation: 33+10=43 Current State: 69:[22, 48, 43], Operations: ['33+10=43'] Exploring Operation: 48-22=26, Resulting Numbers: [43, 26] Generated Node #3: [43, 26] from Operation: 48-22=26 Current State: 69:[43, 26], Operations: ['33+10=43', '48-22=26'] Exploring Operation: 43+26=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[33, 10, 22, 48], Operations: [] Exploring Operation: 48-33=15, Resulting Numbers: [10, 22, 15] Generated Node #0,0: 69:[10, 22, 15] Operation: 48-33=15 Exploring Operation: 22+48=70, Resulting Numbers: [33, 10, 70] Generated Node #0,1: 69:[33, 10, 70] Operation: 22+48=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[10, 22, 15], Operations: ['48-33=15'] Exploring Operation: 10+15=25, Resulting Numbers: [22, 25] Generated Node #0,0,0: 69:[22, 25] Operation: 10+15=25 Exploring Operation: 15-10=5, Resulting Numbers: [22, 5] Generated Node #0,0,1: 69:[22, 5] Operation: 15-10=5 Moving to Node #0,0,0 Current State: 69:[22, 25], Operations: ['48-33=15', '10+15=25'] Exploring Operation: 25-22=3, Resulting Numbers: [3] 3,69 unequal: No Solution Exploring Operation: 22+25=47, Resulting Numbers: [47] 47,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[22, 5], Operations: ['48-33=15', '15-10=5'] Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,69 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[33, 10, 70], Operations: ['22+48=70'] Exploring Operation: 33-10=23, Resulting Numbers: [70, 23] Generated Node #0,1,0: 69:[70, 23] Operation: 33-10=23 Exploring Operation: 70/10=7, Resulting Numbers: [33, 7] Generated Node #0,1,1: 69:[33, 7] Operation: 70/10=7 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 69:[70, 23], Operations: ['22+48=70', '33-10=23'] Exploring Operation: 70+23=93, Resulting Numbers: [93] 93,69 unequal: No Solution Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 69:[33, 7], Operations: ['22+48=70', '70/10=7'] Exploring Operation: 33+7=40, Resulting Numbers: [40] 40,69 unequal: No Solution Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 32, 85, 35, 40 ]
75
[ "40-35=5", "32*5=160", "160-85=75" ]
Current State: 75:[32, 85, 35, 40], Operations: [] Exploring Operation: 40-35=5, Resulting Numbers: [32, 85, 5] Generated Node #2: [32, 85, 5] from Operation: 40-35=5 Current State: 75:[32, 85, 5], Operations: ['40-35=5'] Exploring Operation: 32*5=160, Resulting Numbers: [85, 160] Generated Node #3: [85, 160] from Operation: 32*5=160 Current State: 75:[85, 160], Operations: ['40-35=5', '32*5=160'] Exploring Operation: 160-85=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[32, 85, 35, 40], Operations: [] Exploring Operation: 35+40=75, Resulting Numbers: [32, 85, 75] Generated Node #0,0: 75:[32, 85, 75] Operation: 35+40=75 Exploring Operation: 40-35=5, Resulting Numbers: [32, 85, 5] Generated Node #0,1: 75:[32, 85, 5] Operation: 40-35=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[32, 85, 75], Operations: ['35+40=75'] Exploring Operation: 85-32=53, Resulting Numbers: [75, 53] Generated Node #0,0,0: 75:[75, 53] Operation: 85-32=53 Exploring Operation: 85-75=10, Resulting Numbers: [32, 10] Generated Node #0,0,1: 75:[32, 10] Operation: 85-75=10 Moving to Node #0,0,1 Current State: 75:[32, 10], Operations: ['35+40=75', '85-75=10'] Exploring Operation: 32+10=42, Resulting Numbers: [42] 42,75 unequal: No Solution Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[75, 53], Operations: ['35+40=75', '85-32=53'] Exploring Operation: 75+53=128, Resulting Numbers: [128] 128,75 unequal: No Solution Exploring Operation: 75-53=22, Resulting Numbers: [22] 22,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[32, 85, 5], Operations: ['40-35=5'] Exploring Operation: 85/5=17, Resulting Numbers: [32, 17] Generated Node #0,1,0: 75:[32, 17] Operation: 85/5=17 Exploring Operation: 32-5=27, Resulting Numbers: [85, 27] Generated Node #0,1,1: 75:[85, 27] Operation: 32-5=27 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 75:[32, 17], Operations: ['40-35=5', '85/5=17'] Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 32+17=49, Resulting Numbers: [49] 49,75 unequal: No Solution No 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: 75:[85, 27], Operations: ['40-35=5', '32-5=27'] Exploring Operation: 85-27=58, Resulting Numbers: [58] 58,75 unequal: No Solution Exploring Operation: 85+27=112, Resulting Numbers: [112] 112,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 53, 47, 13, 38 ]
49
[ "53+47=100", "13+38=51", "100-51=49" ]
Current State: 49:[53, 47, 13, 38], Operations: [] Exploring Operation: 53+47=100, Resulting Numbers: [13, 38, 100] Generated Node #2: [13, 38, 100] from Operation: 53+47=100 Current State: 49:[13, 38, 100], Operations: ['53+47=100'] Exploring Operation: 13+38=51, Resulting Numbers: [100, 51] Generated Node #3: [100, 51] from Operation: 13+38=51 Current State: 49:[100, 51], Operations: ['53+47=100', '13+38=51'] Exploring Operation: 100-51=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[53, 47, 13, 38], Operations: [] Exploring Operation: 13+38=51, Resulting Numbers: [53, 47, 51] Generated Node #0,0: 49:[53, 47, 51] Operation: 13+38=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[53, 47, 51], Operations: ['13+38=51'] Exploring Operation: 53-47=6, Resulting Numbers: [51, 6] Generated Node #0,0,0: 49:[51, 6] Operation: 53-47=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 49:[51, 6], Operations: ['13+38=51', '53-47=6'] Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 22, 80, 62, 66 ]
68
[ "62-22=40", "80/40=2", "66+2=68" ]
Current State: 68:[22, 80, 62, 66], Operations: [] Exploring Operation: 62-22=40, Resulting Numbers: [80, 66, 40] Generated Node #2: [80, 66, 40] from Operation: 62-22=40 Current State: 68:[80, 66, 40], Operations: ['62-22=40'] Exploring Operation: 80/40=2, Resulting Numbers: [66, 2] Generated Node #3: [66, 2] from Operation: 80/40=2 Current State: 68:[66, 2], Operations: ['62-22=40', '80/40=2'] Exploring Operation: 66+2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[22, 80, 62, 66], Operations: [] Exploring Operation: 66-62=4, Resulting Numbers: [22, 80, 4] Generated Node #0,0: 68:[22, 80, 4] Operation: 66-62=4 Exploring Operation: 80-22=58, Resulting Numbers: [62, 66, 58] Generated Node #0,1: 68:[62, 66, 58] Operation: 80-22=58 Exploring Operation: 80-66=14, Resulting Numbers: [22, 62, 14] Generated Node #0,2: 68:[22, 62, 14] Operation: 80-66=14 Exploring Operation: 80-62=18, Resulting Numbers: [22, 66, 18] Generated Node #0,3: 68:[22, 66, 18] Operation: 80-62=18 Start Sub Search at level 1: Moving to Node #0,3 Current State: 68:[22, 66, 18], Operations: ['80-62=18'] Exploring Operation: 22-18=4, Resulting Numbers: [66, 4] Generated Node #0,3,0: 68:[66, 4] Operation: 22-18=4 Exploring Operation: 66/22=3, Resulting Numbers: [18, 3] Generated Node #0,3,1: 68:[18, 3] Operation: 66/22=3 Exploring Operation: 22+18=40, Resulting Numbers: [66, 40] Generated Node #0,3,2: 68:[66, 40] Operation: 22+18=40 Exploring Operation: 66-22=44, Resulting Numbers: [18, 44] Generated Node #0,3,3: 68:[18, 44] Operation: 66-22=44 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 68:[66, 4], Operations: ['80-62=18', '22-18=4'] Exploring Operation: 66*4=264, Resulting Numbers: [264] 264,68 unequal: No Solution Exploring Operation: 66+4=70, Resulting Numbers: [70] 70,68 unequal: No Solution Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 68:[18, 3], Operations: ['80-62=18', '66/22=3'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,68 unequal: No Solution Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,68 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 68:[66, 40], Operations: ['80-62=18', '22+18=40'] Exploring Operation: 66-40=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 66*40=2640, Resulting Numbers: [2640] 2640,68 unequal: No Solution Exploring Operation: 66+40=106, Resulting Numbers: [106] 106,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 68:[18, 44], Operations: ['80-62=18', '66-22=44'] Exploring Operation: 18*44=792, Resulting Numbers: [792] 792,68 unequal: No Solution Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 18+44=62, Resulting Numbers: [62] 62,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 68:[22, 62, 14], Operations: ['80-66=14'] Exploring Operation: 62+14=76, Resulting Numbers: [22, 76] Generated Node #0,2,0: 68:[22, 76] Operation: 62+14=76 Exploring Operation: 22-14=8, Resulting Numbers: [62, 8] Generated Node #0,2,1: 68:[62, 8] Operation: 22-14=8 Exploring Operation: 22+14=36, Resulting Numbers: [62, 36] Generated Node #0,2,2: 68:[62, 36] Operation: 22+14=36 Exploring Operation: 62-22=40, Resulting Numbers: [14, 40] Generated Node #0,2,3: 68:[14, 40] Operation: 62-22=40 Moving to Node #0,2,2 Current State: 68:[62, 36], Operations: ['80-66=14', '22+14=36'] Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 62+36=98, Resulting Numbers: [98] 98,68 unequal: No Solution Exploring Operation: 62*36=2232, Resulting Numbers: [2232] 2232,68 unequal: No Solution Moving to Node #0,2,3 Current State: 68:[14, 40], Operations: ['80-66=14', '62-22=40'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,68 unequal: No Solution Moving to Node #0,2,1 Current State: 68:[62, 8], Operations: ['80-66=14', '22-14=8'] Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,68 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,68 unequal: No Solution Moving to Node #0,2,0 Current State: 68:[22, 76], Operations: ['80-66=14', '62+14=76'] Exploring Operation: 22+76=98, Resulting Numbers: [98] 98,68 unequal: No Solution Exploring Operation: 76-22=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 22*76=1672, Resulting Numbers: [1672] 1672,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[22, 80, 4], Operations: ['66-62=4'] Exploring Operation: 80-4=76, Resulting Numbers: [22, 76] Generated Node #0,0,0: 68:[22, 76] Operation: 80-4=76 Exploring Operation: 22-4=18, Resulting Numbers: [80, 18] Generated Node #0,0,1: 68:[80, 18] Operation: 22-4=18 Exploring Operation: 80-22=58, Resulting Numbers: [4, 58] Generated Node #0,0,2: 68:[4, 58] Operation: 80-22=58 Exploring Operation: 80/4=20, Resulting Numbers: [22, 20] Generated Node #0,0,3: 68:[22, 20] Operation: 80/4=20 Moving to Node #0,0,3 Current State: 68:[22, 20], Operations: ['66-62=4', '80/4=20'] Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 22+20=42, Resulting Numbers: [42] 42,68 unequal: No Solution Exploring Operation: 22*20=440, Resulting Numbers: [440] 440,68 unequal: No Solution Moving to Node #0,0,2 Current State: 68:[4, 58], Operations: ['66-62=4', '80-22=58'] Exploring Operation: 4*58=232, Resulting Numbers: [232] 232,68 unequal: No Solution Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 4+58=62, Resulting Numbers: [62] 62,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[80, 18], Operations: ['66-62=4', '22-4=18'] Exploring Operation: 80*18=1440, Resulting Numbers: [1440] 1440,68 unequal: No Solution Exploring Operation: 80-18=62, Resulting Numbers: [62] 62,68 unequal: No Solution Exploring Operation: 80+18=98, Resulting Numbers: [98] 98,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[22, 76], Operations: ['66-62=4', '80-4=76'] Exploring Operation: 22*76=1672, Resulting Numbers: [1672] 1672,68 unequal: No Solution Exploring Operation: 22+76=98, Resulting Numbers: [98] 98,68 unequal: No Solution Exploring Operation: 76-22=54, Resulting Numbers: [54] 54,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[62, 66, 58], Operations: ['80-22=58'] Exploring Operation: 66-58=8, Resulting Numbers: [62, 8] Generated Node #0,1,0: 68:[62, 8] Operation: 66-58=8 Exploring Operation: 62+58=120, Resulting Numbers: [66, 120] Generated Node #0,1,1: 68:[66, 120] Operation: 62+58=120 Exploring Operation: 62-58=4, Resulting Numbers: [66, 4] Generated Node #0,1,2: 68:[66, 4] Operation: 62-58=4 Exploring Operation: 66-62=4, Resulting Numbers: [58, 4] Generated Node #0,1,3: 68:[58, 4] Operation: 66-62=4 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 68:[66, 4], Operations: ['80-22=58', '62-58=4'] Exploring Operation: 66+4=70, Resulting Numbers: [70] 70,68 unequal: No Solution Exploring Operation: 66*4=264, Resulting Numbers: [264] 264,68 unequal: No Solution Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 68:[62, 8], Operations: ['80-22=58', '66-58=8'] Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,68 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 68:[58, 4], Operations: ['80-22=58', '66-62=4'] Exploring Operation: 58*4=232, Resulting Numbers: [232] 232,68 unequal: No Solution Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 58+4=62, Resulting Numbers: [62] 62,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 68:[66, 120], Operations: ['80-22=58', '62+58=120'] Exploring Operation: 66*120=7920, Resulting Numbers: [7920] 7920,68 unequal: No Solution Exploring Operation: 120-66=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 66+120=186, Resulting Numbers: [186] 186,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 27, 22, 75, 71 ]
86
[ "27-22=5", "75/5=15", "71+15=86" ]
Current State: 86:[27, 22, 75, 71], Operations: [] Exploring Operation: 27-22=5, Resulting Numbers: [75, 71, 5] Generated Node #2: [75, 71, 5] from Operation: 27-22=5 Current State: 86:[75, 71, 5], Operations: ['27-22=5'] Exploring Operation: 75/5=15, Resulting Numbers: [71, 15] Generated Node #3: [71, 15] from Operation: 75/5=15 Current State: 86:[71, 15], Operations: ['27-22=5', '75/5=15'] Exploring Operation: 71+15=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[27, 22, 75, 71], Operations: [] Exploring Operation: 27+22=49, Resulting Numbers: [75, 71, 49] Generated Node #0,0: 86:[75, 71, 49] Operation: 27+22=49 Exploring Operation: 71-27=44, Resulting Numbers: [22, 75, 44] Generated Node #0,1: 86:[22, 75, 44] Operation: 71-27=44 Exploring Operation: 27-22=5, Resulting Numbers: [75, 71, 5] Generated Node #0,2: 86:[75, 71, 5] Operation: 27-22=5 Moving to Node #0,2 Current State: 86:[75, 71, 5], Operations: ['27-22=5'] Exploring Operation: 75+5=80, Resulting Numbers: [71, 80] Generated Node #0,2,0: 86:[71, 80] Operation: 75+5=80 Exploring Operation: 71+5=76, Resulting Numbers: [75, 76] Generated Node #0,2,1: 86:[75, 76] Operation: 71+5=76 Exploring Operation: 75-71=4, Resulting Numbers: [5, 4] Generated Node #0,2,2: 86:[5, 4] Operation: 75-71=4 Moving to Node #0,0 Current State: 86:[75, 71, 49], Operations: ['27+22=49'] Exploring Operation: 75-71=4, Resulting Numbers: [49, 4] Generated Node #0,0,0: 86:[49, 4] Operation: 75-71=4 Exploring Operation: 71-49=22, Resulting Numbers: [75, 22] Generated Node #0,0,1: 86:[75, 22] Operation: 71-49=22 Exploring Operation: 75-49=26, Resulting Numbers: [71, 26] Generated Node #0,0,2: 86:[71, 26] Operation: 75-49=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[49, 4], Operations: ['27+22=49', '75-71=4'] Exploring Operation: 49+4=53, Resulting Numbers: [53] 53,86 unequal: No Solution Exploring Operation: 49*4=196, Resulting Numbers: [196] 196,86 unequal: No Solution Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[75, 22], Operations: ['27+22=49', '71-49=22'] Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,86 unequal: No Solution Exploring Operation: 75*22=1650, Resulting Numbers: [1650] 1650,86 unequal: No Solution Exploring Operation: 75+22=97, Resulting Numbers: [97] 97,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 86:[71, 26], Operations: ['27+22=49', '75-49=26'] Exploring Operation: 71*26=1846, Resulting Numbers: [1846] 1846,86 unequal: No Solution Exploring Operation: 71+26=97, Resulting Numbers: [97] 97,86 unequal: No Solution Exploring Operation: 71-26=45, Resulting Numbers: [45] 45,86 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:[22, 75, 44], Operations: ['71-27=44'] Exploring Operation: 44/22=2, Resulting Numbers: [75, 2] Generated Node #0,1,0: 86:[75, 2] Operation: 44/22=2 Exploring Operation: 22+75=97, Resulting Numbers: [44, 97] Generated Node #0,1,1: 86:[44, 97] Operation: 22+75=97 Exploring Operation: 75-22=53, Resulting Numbers: [44, 53] Generated Node #0,1,2: 86:[44, 53] Operation: 75-22=53 Moving to Node #0,2,2 Current State: 86:[5, 4], Operations: ['27-22=5', '75-71=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,86 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,86 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[75, 2], Operations: ['71-27=44', '44/22=2'] Exploring Operation: 75*2=150, Resulting Numbers: [150] 150,86 unequal: No Solution Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,86 unequal: No Solution Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,86 unequal: No Solution Moving to Node #0,1,2 Current State: 86:[44, 53], Operations: ['71-27=44', '75-22=53'] Exploring Operation: 53-44=9, Resulting Numbers: [9] 9,86 unequal: No Solution Exploring Operation: 44+53=97, Resulting Numbers: [97] 97,86 unequal: No Solution Exploring Operation: 44*53=2332, Resulting Numbers: [2332] 2332,86 unequal: No Solution Moving to Node #0,1,1 Current State: 86:[44, 97], Operations: ['71-27=44', '22+75=97'] Exploring Operation: 44+97=141, Resulting Numbers: [141] 141,86 unequal: No Solution Exploring Operation: 44*97=4268, Resulting Numbers: [4268] 4268,86 unequal: No Solution Exploring Operation: 97-44=53, Resulting Numbers: [53] 53,86 unequal: No Solution Moving to Node #0,2,0 Current State: 86:[71, 80], Operations: ['27-22=5', '75+5=80'] Exploring Operation: 80-71=9, Resulting Numbers: [9] 9,86 unequal: No Solution Exploring Operation: 71+80=151, Resulting Numbers: [151] 151,86 unequal: No Solution Exploring Operation: 71*80=5680, Resulting Numbers: [5680] 5680,86 unequal: No Solution Moving to Node #0,2,1 Current State: 86:[75, 76], Operations: ['27-22=5', '71+5=76'] Exploring Operation: 75*76=5700, Resulting Numbers: [5700] 5700,86 unequal: No Solution Exploring Operation: 75+76=151, Resulting Numbers: [151] 151,86 unequal: No Solution Exploring Operation: 76-75=1, Resulting Numbers: [1] 1,86 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 5, 19, 27, 14 ]
72
[ "14-5=9", "27-19=8", "9*8=72" ]
Current State: 72:[5, 19, 27, 14], Operations: [] Exploring Operation: 14-5=9, Resulting Numbers: [19, 27, 9] Generated Node #2: [19, 27, 9] from Operation: 14-5=9 Current State: 72:[19, 27, 9], Operations: ['14-5=9'] Exploring Operation: 27-19=8, Resulting Numbers: [9, 8] Generated Node #3: [9, 8] from Operation: 27-19=8 Current State: 72:[9, 8], Operations: ['14-5=9', '27-19=8'] Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[5, 19, 27, 14], Operations: [] Exploring Operation: 14-5=9, Resulting Numbers: [19, 27, 9] Generated Node #0,0: 72:[19, 27, 9] Operation: 14-5=9 Exploring Operation: 27-14=13, Resulting Numbers: [5, 19, 13] Generated Node #0,1: 72:[5, 19, 13] Operation: 27-14=13 Exploring Operation: 27-19=8, Resulting Numbers: [5, 14, 8] Generated Node #0,2: 72:[5, 14, 8] Operation: 27-19=8 Exploring Operation: 5+19=24, Resulting Numbers: [27, 14, 24] Generated Node #0,3: 72:[27, 14, 24] Operation: 5+19=24 Exploring Operation: 27-5=22, Resulting Numbers: [19, 14, 22] Generated Node #0,4: 72:[19, 14, 22] Operation: 27-5=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[5, 19, 13], Operations: ['27-14=13'] Exploring Operation: 19-13=6, Resulting Numbers: [5, 6] Generated Node #0,1,0: 72:[5, 6] Operation: 19-13=6 Exploring Operation: 13-5=8, Resulting Numbers: [19, 8] Generated Node #0,1,1: 72:[19, 8] Operation: 13-5=8 Exploring Operation: 5+13=18, Resulting Numbers: [19, 18] Generated Node #0,1,2: 72:[19, 18] Operation: 5+13=18 Exploring Operation: 5+19=24, Resulting Numbers: [13, 24] Generated Node #0,1,3: 72:[13, 24] Operation: 5+19=24 Exploring Operation: 19-5=14, Resulting Numbers: [13, 14] Generated Node #0,1,4: 72:[13, 14] Operation: 19-5=14 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[5, 6], Operations: ['27-14=13', '19-13=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,72 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,72 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,72 unequal: No Solution No 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: 72:[19, 8], Operations: ['27-14=13', '13-5=8'] Exploring Operation: 19+8=27, Resulting Numbers: [27] 27,72 unequal: No Solution Exploring Operation: 19*8=152, Resulting Numbers: [152] 152,72 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,72 unequal: No Solution No 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: 72:[19, 18], Operations: ['27-14=13', '5+13=18'] Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,72 unequal: No Solution Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,72 unequal: No Solution No 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: 72:[13, 24], Operations: ['27-14=13', '5+19=24'] Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,72 unequal: No Solution Exploring Operation: 13*24=312, Resulting Numbers: [312] 312,72 unequal: No Solution Exploring Operation: 13+24=37, Resulting Numbers: [37] 37,72 unequal: No Solution No 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: 72:[13, 14], Operations: ['27-14=13', '19-5=14'] Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,72 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 13*14=182, Resulting Numbers: [182] 182,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[5, 14, 8], Operations: ['27-19=8'] Exploring Operation: 14-5=9, Resulting Numbers: [8, 9] Generated Node #0,2,0: 72:[8, 9] Operation: 14-5=9 Exploring Operation: 14-8=6, Resulting Numbers: [5, 6] Generated Node #0,2,1: 72:[5, 6] Operation: 14-8=6 Exploring Operation: 5*14=70, Resulting Numbers: [8, 70] Generated Node #0,2,2: 72:[8, 70] Operation: 5*14=70 Exploring Operation: 8-5=3, Resulting Numbers: [14, 3] Generated Node #0,2,3: 72:[14, 3] Operation: 8-5=3 Exploring Operation: 5+14=19, Resulting Numbers: [8, 19] Generated Node #0,2,4: 72:[8, 19] Operation: 5+14=19 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 72:[8, 9], Operations: ['27-19=8', '14-5=9'] Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[5, 19, 27, 14], Operations: [] Exploring Operation: 27-19=8, Resulting Numbers: [5, 14, 8] Generated Node #0,2: 72:[5, 14, 8] Operation: 27-19=8 Moving to Node #0,2 Current State: 72:[5, 14, 8], Operations: ['27-19=8'] Exploring Operation: 14-5=9, Resulting Numbers: [8, 9] Generated Node #0,2,0: 72:[8, 9] Operation: 14-5=9 Moving to Node #0,2,0 Current State: 72:[8, 9], Operations: ['27-19=8', '14-5=9'] Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_5
mult_heuristic
[ 46, 22, 44, 24 ]
48
[ "46+22=68", "44-24=20", "68-20=48" ]
Current State: 48:[46, 22, 44, 24], Operations: [] Exploring Operation: 46+22=68, Resulting Numbers: [44, 24, 68] Generated Node #2: [44, 24, 68] from Operation: 46+22=68 Current State: 48:[44, 24, 68], Operations: ['46+22=68'] Exploring Operation: 44-24=20, Resulting Numbers: [68, 20] Generated Node #3: [68, 20] from Operation: 44-24=20 Current State: 48:[68, 20], Operations: ['46+22=68', '44-24=20'] Exploring Operation: 68-20=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[46, 22, 44, 24], Operations: [] Exploring Operation: 46-22=24, Resulting Numbers: [44, 24, 24] Generated Node #0,0: 48:[44, 24, 24] Operation: 46-22=24 Exploring Operation: 44-22=22, Resulting Numbers: [46, 24, 22] Generated Node #0,1: 48:[46, 24, 22] Operation: 44-22=22 Exploring Operation: 46-44=2, Resulting Numbers: [22, 24, 2] Generated Node #0,2: 48:[22, 24, 2] Operation: 46-44=2 Exploring Operation: 44/22=2, Resulting Numbers: [46, 24, 2] Generated Node #0,3: 48:[46, 24, 2] Operation: 44/22=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[22, 24, 2], Operations: ['46-44=2'] Exploring Operation: 22+2=24, Resulting Numbers: [24, 24] Generated Node #0,2,0: 48:[24, 24] Operation: 22+2=24 Exploring Operation: 22/2=11, Resulting Numbers: [24, 11] Generated Node #0,2,1: 48:[24, 11] Operation: 22/2=11 Exploring Operation: 22+24=46, Resulting Numbers: [2, 46] Generated Node #0,2,2: 48:[2, 46] Operation: 22+24=46 Exploring Operation: 24-22=2, Resulting Numbers: [2, 2] Generated Node #0,2,3: 48:[2, 2] Operation: 24-22=2 Moving to Node #0,2,0 Current State: 48:[24, 24], Operations: ['46-44=2', '22+2=24'] Exploring Operation: 24*24=576, Resulting Numbers: [576] 576,48 unequal: No Solution Exploring Operation: 24-24=0, Resulting Numbers: [0] 0,48 unequal: No Solution Exploring Operation: 24+24=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[46, 22, 44, 24], Operations: [] Exploring Operation: 46-44=2, Resulting Numbers: [22, 24, 2] Generated Node #0,2: 48:[22, 24, 2] Operation: 46-44=2 Moving to Node #0,2 Current State: 48:[22, 24, 2], Operations: ['46-44=2'] Exploring Operation: 22+2=24, Resulting Numbers: [24, 24] Generated Node #0,2,0: 48:[24, 24] Operation: 22+2=24 Moving to Node #0,2,0 Current State: 48:[24, 24], Operations: ['46-44=2', '22+2=24'] Exploring Operation: 24+24=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 35, 10, 90, 60 ]
45
[ "35*90=3150", "10+60=70", "3150/70=45" ]
Current State: 45:[35, 10, 90, 60], Operations: [] Exploring Operation: 35*90=3150, Resulting Numbers: [10, 60, 3150] Generated Node #2: [10, 60, 3150] from Operation: 35*90=3150 Current State: 45:[10, 60, 3150], Operations: ['35*90=3150'] Exploring Operation: 10+60=70, Resulting Numbers: [3150, 70] Generated Node #3: [3150, 70] from Operation: 10+60=70 Current State: 45:[3150, 70], Operations: ['35*90=3150', '10+60=70'] Exploring Operation: 3150/70=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[35, 10, 90, 60], Operations: [] Exploring Operation: 90-35=55, Resulting Numbers: [10, 60, 55] Generated Node #0,0: 45:[10, 60, 55] Operation: 90-35=55 Exploring Operation: 90/10=9, Resulting Numbers: [35, 60, 9] Generated Node #0,1: 45:[35, 60, 9] Operation: 90/10=9 Exploring Operation: 90-60=30, Resulting Numbers: [35, 10, 30] Generated Node #0,2: 45:[35, 10, 30] Operation: 90-60=30 Exploring Operation: 60-35=25, Resulting Numbers: [10, 90, 25] Generated Node #0,3: 45:[10, 90, 25] Operation: 60-35=25 Moving to Node #0,1 Current State: 45:[35, 60, 9], Operations: ['90/10=9'] Exploring Operation: 60-35=25, Resulting Numbers: [9, 25] Generated Node #0,1,0: 45:[9, 25] Operation: 60-35=25 Exploring Operation: 60-9=51, Resulting Numbers: [35, 51] Generated Node #0,1,1: 45:[35, 51] Operation: 60-9=51 Exploring Operation: 35+9=44, Resulting Numbers: [60, 44] Generated Node #0,1,2: 45:[60, 44] Operation: 35+9=44 Exploring Operation: 35-9=26, Resulting Numbers: [60, 26] Generated Node #0,1,3: 45:[60, 26] Operation: 35-9=26 Moving to Node #0,2 Current State: 45:[35, 10, 30], Operations: ['90-60=30'] Exploring Operation: 35-30=5, Resulting Numbers: [10, 5] Generated Node #0,2,0: 45:[10, 5] Operation: 35-30=5 Exploring Operation: 30/10=3, Resulting Numbers: [35, 3] Generated Node #0,2,1: 45:[35, 3] Operation: 30/10=3 Exploring Operation: 35+10=45, Resulting Numbers: [30, 45] Generated Node #0,2,2: 45:[30, 45] Operation: 35+10=45 Exploring Operation: 10+30=40, Resulting Numbers: [35, 40] Generated Node #0,2,3: 45:[35, 40] Operation: 10+30=40 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 45:[10, 5], Operations: ['90-60=30', '35-30=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,45 unequal: No Solution Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 45:[35, 3], Operations: ['90-60=30', '30/10=3'] Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,45 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,45 unequal: No Solution Exploring Operation: 35*3=105, Resulting Numbers: [105] 105,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 45:[30, 45], Operations: ['90-60=30', '35+10=45'] Exploring Operation: 30+45=75, Resulting Numbers: [75] 75,45 unequal: No Solution Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 30*45=1350, Resulting Numbers: [1350] 1350,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 45:[35, 40], Operations: ['90-60=30', '10+30=40'] Exploring Operation: 40-35=5, Resulting Numbers: [5] 5,45 unequal: No Solution Exploring Operation: 35*40=1400, Resulting Numbers: [1400] 1400,45 unequal: No Solution Exploring Operation: 35+40=75, Resulting Numbers: [75] 75,45 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: 45:[10, 60, 55], Operations: ['90-35=55'] Exploring Operation: 60-55=5, Resulting Numbers: [10, 5] Generated Node #0,0,0: 45:[10, 5] Operation: 60-55=5 Exploring Operation: 55-10=45, Resulting Numbers: [60, 45] Generated Node #0,0,1: 45:[60, 45] Operation: 55-10=45 Exploring Operation: 60/10=6, Resulting Numbers: [55, 6] Generated Node #0,0,2: 45:[55, 6] Operation: 60/10=6 Exploring Operation: 60-10=50, Resulting Numbers: [55, 50] Generated Node #0,0,3: 45:[55, 50] Operation: 60-10=50 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 45:[10, 5], Operations: ['90-35=55', '60-55=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,45 unequal: No Solution Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 45:[55, 6], Operations: ['90-35=55', '60/10=6'] Exploring Operation: 55+6=61, Resulting Numbers: [61] 61,45 unequal: No Solution Exploring Operation: 55*6=330, Resulting Numbers: [330] 330,45 unequal: No Solution Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 45:[60, 45], Operations: ['90-35=55', '55-10=45'] Exploring Operation: 60+45=105, Resulting Numbers: [105] 105,45 unequal: No Solution Exploring Operation: 60-45=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 60*45=2700, Resulting Numbers: [2700] 2700,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 45:[55, 50], Operations: ['90-35=55', '60-10=50'] Exploring Operation: 55*50=2750, Resulting Numbers: [2750] 2750,45 unequal: No Solution Exploring Operation: 55-50=5, Resulting Numbers: [5] 5,45 unequal: No Solution Exploring Operation: 55+50=105, Resulting Numbers: [105] 105,45 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: 45:[10, 90, 25], Operations: ['60-35=25'] Exploring Operation: 90-25=65, Resulting Numbers: [10, 65] Generated Node #0,3,0: 45:[10, 65] Operation: 90-25=65 Exploring Operation: 25-10=15, Resulting Numbers: [90, 15] Generated Node #0,3,1: 45:[90, 15] Operation: 25-10=15 Exploring Operation: 90/10=9, Resulting Numbers: [25, 9] Generated Node #0,3,2: 45:[25, 9] Operation: 90/10=9 Exploring Operation: 90-10=80, Resulting Numbers: [25, 80] Generated Node #0,3,3: 45:[25, 80] Operation: 90-10=80 Moving to Node #0,1,0 Current State: 45:[9, 25], Operations: ['90/10=9', '60-35=25'] Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,45 unequal: No Solution Exploring Operation: 9*25=225, Resulting Numbers: [225] 225,45 unequal: No Solution Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,45 unequal: No Solution Moving to Node #0,3,2 Current State: 45:[25, 9], Operations: ['60-35=25', '90/10=9'] Exploring Operation: 25+9=34, Resulting Numbers: [34] 34,45 unequal: No Solution Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,45 unequal: No Solution Exploring Operation: 25*9=225, Resulting Numbers: [225] 225,45 unequal: No Solution Moving to Node #0,1,2 Current State: 45:[60, 44], Operations: ['90/10=9', '35+9=44'] Exploring Operation: 60+44=104, Resulting Numbers: [104] 104,45 unequal: No Solution Exploring Operation: 60-44=16, Resulting Numbers: [16] 16,45 unequal: No Solution Exploring Operation: 60*44=2640, Resulting Numbers: [2640] 2640,45 unequal: No Solution Moving to Node #0,1,1 Current State: 45:[35, 51], Operations: ['90/10=9', '60-9=51'] Exploring Operation: 35+51=86, Resulting Numbers: [86] 86,45 unequal: No Solution Exploring Operation: 35*51=1785, Resulting Numbers: [1785] 1785,45 unequal: No Solution Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,45 unequal: No Solution Moving to Node #0,3,0 Current State: 45:[10, 65], Operations: ['60-35=25', '90-25=65'] Exploring Operation: 65-10=55, Resulting Numbers: [55] 55,45 unequal: No Solution Exploring Operation: 10*65=650, Resulting Numbers: [650] 650,45 unequal: No Solution Exploring Operation: 10+65=75, Resulting Numbers: [75] 75,45 unequal: No Solution Moving to Node #0,1,3 Current State: 45:[60, 26], Operations: ['90/10=9', '35-9=26'] Exploring Operation: 60-26=34, Resulting Numbers: [34] 34,45 unequal: No Solution Exploring Operation: 60+26=86, Resulting Numbers: [86] 86,45 unequal: No Solution Exploring Operation: 60*26=1560, Resulting Numbers: [1560] 1560,45 unequal: No Solution Moving to Node #0,3,1 Current State: 45:[90, 15], Operations: ['60-35=25', '25-10=15'] Exploring Operation: 90*15=1350, Resulting Numbers: [1350] 1350,45 unequal: No Solution Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,45 unequal: No Solution Exploring Operation: 90+15=105, Resulting Numbers: [105] 105,45 unequal: No Solution Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,45 unequal: No Solution Moving to Node #0,3,3 Current State: 45:[25, 80], Operations: ['60-35=25', '90-10=80'] Exploring Operation: 25*80=2000, Resulting Numbers: [2000] 2000,45 unequal: No Solution Exploring Operation: 25+80=105, Resulting Numbers: [105] 105,45 unequal: No Solution Exploring Operation: 80-25=55, Resulting Numbers: [55] 55,45 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 49, 4, 28, 97 ]
64
[ "97-49=48", "4*28=112", "112-48=64" ]
Current State: 64:[49, 4, 28, 97], Operations: [] Exploring Operation: 97-49=48, Resulting Numbers: [4, 28, 48] Generated Node #2: [4, 28, 48] from Operation: 97-49=48 Current State: 64:[4, 28, 48], Operations: ['97-49=48'] Exploring Operation: 4*28=112, Resulting Numbers: [48, 112] Generated Node #3: [48, 112] from Operation: 4*28=112 Current State: 64:[48, 112], Operations: ['97-49=48', '4*28=112'] Exploring Operation: 112-48=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[49, 4, 28, 97], Operations: [] Exploring Operation: 97-28=69, Resulting Numbers: [49, 4, 69] Generated Node #0,0: 64:[49, 4, 69] Operation: 97-28=69 Exploring Operation: 97-49=48, Resulting Numbers: [4, 28, 48] Generated Node #0,1: 64:[4, 28, 48] Operation: 97-49=48 Moving to Node #0,0 Current State: 64:[49, 4, 69], Operations: ['97-28=69'] Exploring Operation: 69-49=20, Resulting Numbers: [4, 20] Generated Node #0,0,0: 64:[4, 20] Operation: 69-49=20 Exploring Operation: 49+4=53, Resulting Numbers: [69, 53] Generated Node #0,0,1: 64:[69, 53] Operation: 49+4=53 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[4, 20], Operations: ['97-28=69', '69-49=20'] Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 64:[69, 53], Operations: ['97-28=69', '49+4=53'] Exploring Operation: 69+53=122, Resulting Numbers: [122] 122,64 unequal: No Solution Exploring Operation: 69-53=16, Resulting Numbers: [16] 16,64 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: 64:[4, 28, 48], Operations: ['97-49=48'] Exploring Operation: 48-28=20, Resulting Numbers: [4, 20] Generated Node #0,1,0: 64:[4, 20] Operation: 48-28=20 Exploring Operation: 48/4=12, Resulting Numbers: [28, 12] Generated Node #0,1,1: 64:[28, 12] Operation: 48/4=12 Moving to Node #0,1,0 Current State: 64:[4, 20], Operations: ['97-49=48', '48-28=20'] Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,64 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[28, 12], Operations: ['97-49=48', '48/4=12'] Exploring Operation: 28+12=40, Resulting Numbers: [40] 40,64 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,64 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 41, 3, 49, 42 ]
47
[ "41+3=44", "49+42=91", "91-44=47" ]
Current State: 47:[41, 3, 49, 42], Operations: [] Exploring Operation: 41+3=44, Resulting Numbers: [49, 42, 44] Generated Node #2: [49, 42, 44] from Operation: 41+3=44 Current State: 47:[49, 42, 44], Operations: ['41+3=44'] Exploring Operation: 49+42=91, Resulting Numbers: [44, 91] Generated Node #3: [44, 91] from Operation: 49+42=91 Current State: 47:[44, 91], Operations: ['41+3=44', '49+42=91'] Exploring Operation: 91-44=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[41, 3, 49, 42], Operations: [] Exploring Operation: 49-3=46, Resulting Numbers: [41, 42, 46] Generated Node #0,0: 47:[41, 42, 46] Operation: 49-3=46 Exploring Operation: 41+3=44, Resulting Numbers: [49, 42, 44] Generated Node #0,1: 47:[49, 42, 44] Operation: 41+3=44 Exploring Operation: 3+49=52, Resulting Numbers: [41, 42, 52] Generated Node #0,2: 47:[41, 42, 52] Operation: 3+49=52 Exploring Operation: 41-3=38, Resulting Numbers: [49, 42, 38] Generated Node #0,3: 47:[49, 42, 38] Operation: 41-3=38 Exploring Operation: 3+42=45, Resulting Numbers: [41, 49, 45] Generated Node #0,4: 47:[41, 49, 45] Operation: 3+42=45 Moving to Node #0,1 Current State: 47:[49, 42, 44], Operations: ['41+3=44'] Exploring Operation: 49-44=5, Resulting Numbers: [42, 5] Generated Node #0,1,0: 47:[42, 5] Operation: 49-44=5 Exploring Operation: 49+42=91, Resulting Numbers: [44, 91] Generated Node #0,1,1: 47:[44, 91] Operation: 49+42=91 Exploring Operation: 42+44=86, Resulting Numbers: [49, 86] Generated Node #0,1,2: 47:[49, 86] Operation: 42+44=86 Exploring Operation: 44-42=2, Resulting Numbers: [49, 2] Generated Node #0,1,3: 47:[49, 2] Operation: 44-42=2 Exploring Operation: 49-42=7, Resulting Numbers: [44, 7] Generated Node #0,1,4: 47:[44, 7] Operation: 49-42=7 Moving to Node #0,4 Current State: 47:[41, 49, 45], Operations: ['3+42=45'] Exploring Operation: 41+49=90, Resulting Numbers: [45, 90] Generated Node #0,4,0: 47:[45, 90] Operation: 41+49=90 Exploring Operation: 41+45=86, Resulting Numbers: [49, 86] Generated Node #0,4,1: 47:[49, 86] Operation: 41+45=86 Exploring Operation: 49-41=8, Resulting Numbers: [45, 8] Generated Node #0,4,2: 47:[45, 8] Operation: 49-41=8 Exploring Operation: 45-41=4, Resulting Numbers: [49, 4] Generated Node #0,4,3: 47:[49, 4] Operation: 45-41=4 Exploring Operation: 49-45=4, Resulting Numbers: [41, 4] Generated Node #0,4,4: 47:[41, 4] Operation: 49-45=4 Moving to Node #0,0 Current State: 47:[41, 42, 46], Operations: ['49-3=46'] Exploring Operation: 42+46=88, Resulting Numbers: [41, 88] Generated Node #0,0,0: 47:[41, 88] Operation: 42+46=88 Exploring Operation: 46-41=5, Resulting Numbers: [42, 5] Generated Node #0,0,1: 47:[42, 5] Operation: 46-41=5 Exploring Operation: 41+42=83, Resulting Numbers: [46, 83] Generated Node #0,0,2: 47:[46, 83] Operation: 41+42=83 Exploring Operation: 42-41=1, Resulting Numbers: [46, 1] Generated Node #0,0,3: 47:[46, 1] Operation: 42-41=1 Exploring Operation: 41+46=87, Resulting Numbers: [42, 87] Generated Node #0,0,4: 47:[42, 87] Operation: 41+46=87 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 47:[46, 83], Operations: ['49-3=46', '41+42=83'] Exploring Operation: 83-46=37, Resulting Numbers: [37] 37,47 unequal: No Solution Exploring Operation: 46*83=3818, Resulting Numbers: [3818] 3818,47 unequal: No Solution Exploring Operation: 46+83=129, Resulting Numbers: [129] 129,47 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 #0,0,4 Current State: 47:[42, 87], Operations: ['49-3=46', '41+46=87'] Exploring Operation: 87-42=45, Resulting Numbers: [45] 45,47 unequal: No Solution Exploring Operation: 42*87=3654, Resulting Numbers: [3654] 3654,47 unequal: No Solution Exploring Operation: 42+87=129, Resulting Numbers: [129] 129,47 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 #0,0,0 Current State: 47:[41, 88], Operations: ['49-3=46', '42+46=88'] Exploring Operation: 41+88=129, Resulting Numbers: [129] 129,47 unequal: No Solution Exploring Operation: 41*88=3608, Resulting Numbers: [3608] 3608,47 unequal: No Solution Exploring Operation: 88-41=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[41, 3, 49, 42], Operations: [] Exploring Operation: 49-3=46, Resulting Numbers: [41, 42, 46] Generated Node #0,0: 47:[41, 42, 46] Operation: 49-3=46 Moving to Node #0,0 Current State: 47:[41, 42, 46], Operations: ['49-3=46'] Exploring Operation: 42+46=88, Resulting Numbers: [41, 88] Generated Node #0,0,0: 47:[41, 88] Operation: 42+46=88 Moving to Node #0,0,0 Current State: 47:[41, 88], Operations: ['49-3=46', '42+46=88'] Exploring Operation: 88-41=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_5
mult_heuristic
[ 9, 18, 6, 73 ]
85
[ "18/9=2", "6*2=12", "73+12=85" ]
Current State: 85:[9, 18, 6, 73], Operations: [] Exploring Operation: 18/9=2, Resulting Numbers: [6, 73, 2] Generated Node #2: [6, 73, 2] from Operation: 18/9=2 Current State: 85:[6, 73, 2], Operations: ['18/9=2'] Exploring Operation: 6*2=12, Resulting Numbers: [73, 12] Generated Node #3: [73, 12] from Operation: 6*2=12 Current State: 85:[73, 12], Operations: ['18/9=2', '6*2=12'] Exploring Operation: 73+12=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[9, 18, 6, 73], Operations: [] Exploring Operation: 9+73=82, Resulting Numbers: [18, 6, 82] Generated Node #0,0: 85:[18, 6, 82] Operation: 9+73=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[18, 6, 82], Operations: ['9+73=82'] Exploring Operation: 6+82=88, Resulting Numbers: [18, 88] Generated Node #0,0,0: 85:[18, 88] Operation: 6+82=88 Moving to Node #0,0,0 Current State: 85:[18, 88], Operations: ['9+73=82', '6+82=88'] Exploring Operation: 88-18=70, Resulting Numbers: [70] 70,85 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
[ 67, 45, 2, 38 ]
30
[ "67-45=22", "38+22=60", "60/2=30" ]
Current State: 30:[67, 45, 2, 38], Operations: [] Exploring Operation: 67-45=22, Resulting Numbers: [2, 38, 22] Generated Node #2: [2, 38, 22] from Operation: 67-45=22 Current State: 30:[2, 38, 22], Operations: ['67-45=22'] Exploring Operation: 38+22=60, Resulting Numbers: [2, 60] Generated Node #3: [2, 60] from Operation: 38+22=60 Current State: 30:[2, 60], Operations: ['67-45=22', '38+22=60'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[67, 45, 2, 38], Operations: [] Exploring Operation: 38/2=19, Resulting Numbers: [67, 45, 19] Generated Node #0,0: 30:[67, 45, 19] Operation: 38/2=19 Exploring Operation: 45-38=7, Resulting Numbers: [67, 2, 7] Generated Node #0,1: 30:[67, 2, 7] Operation: 45-38=7 Exploring Operation: 67-45=22, Resulting Numbers: [2, 38, 22] Generated Node #0,2: 30:[2, 38, 22] Operation: 67-45=22 Exploring Operation: 67-38=29, Resulting Numbers: [45, 2, 29] Generated Node #0,3: 30:[45, 2, 29] Operation: 67-38=29 Moving to Node #0,2 Current State: 30:[2, 38, 22], Operations: ['67-45=22'] Exploring Operation: 38/2=19, Resulting Numbers: [22, 19] Generated Node #0,2,0: 30:[22, 19] Operation: 38/2=19 Exploring Operation: 38-22=16, Resulting Numbers: [2, 16] Generated Node #0,2,1: 30:[2, 16] Operation: 38-22=16 Exploring Operation: 22/2=11, Resulting Numbers: [38, 11] Generated Node #0,2,2: 30:[38, 11] Operation: 22/2=11 Exploring Operation: 38-2=36, Resulting Numbers: [22, 36] Generated Node #0,2,3: 30:[22, 36] Operation: 38-2=36 Moving to Node #0,3 Current State: 30:[45, 2, 29], Operations: ['67-38=29'] Exploring Operation: 45+2=47, Resulting Numbers: [29, 47] Generated Node #0,3,0: 30:[29, 47] Operation: 45+2=47 Exploring Operation: 45-2=43, Resulting Numbers: [29, 43] Generated Node #0,3,1: 30:[29, 43] Operation: 45-2=43 Exploring Operation: 45-29=16, Resulting Numbers: [2, 16] Generated Node #0,3,2: 30:[2, 16] Operation: 45-29=16 Exploring Operation: 2+29=31, Resulting Numbers: [45, 31] Generated Node #0,3,3: 30:[45, 31] Operation: 2+29=31 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 30:[2, 16], Operations: ['67-38=29', '45-29=16'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,30 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,30 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 30:[29, 43], Operations: ['67-38=29', '45-2=43'] Exploring Operation: 29*43=1247, Resulting Numbers: [1247] 1247,30 unequal: No Solution Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 29+43=72, Resulting Numbers: [72] 72,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 30:[45, 31], Operations: ['67-38=29', '2+29=31'] Exploring Operation: 45*31=1395, Resulting Numbers: [1395] 1395,30 unequal: No Solution Exploring Operation: 45-31=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 45+31=76, Resulting Numbers: [76] 76,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 30:[29, 47], Operations: ['67-38=29', '45+2=47'] Exploring Operation: 29*47=1363, Resulting Numbers: [1363] 1363,30 unequal: No Solution Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,30 unequal: No Solution Exploring Operation: 29+47=76, Resulting Numbers: [76] 76,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 30:[67, 2, 7], Operations: ['45-38=7'] Exploring Operation: 67-7=60, Resulting Numbers: [2, 60] Generated Node #0,1,0: 30:[2, 60] Operation: 67-7=60 Exploring Operation: 7-2=5, Resulting Numbers: [67, 5] Generated Node #0,1,1: 30:[67, 5] Operation: 7-2=5 Exploring Operation: 2+7=9, Resulting Numbers: [67, 9] Generated Node #0,1,2: 30:[67, 9] Operation: 2+7=9 Exploring Operation: 67-2=65, Resulting Numbers: [7, 65] Generated Node #0,1,3: 30:[7, 65] Operation: 67-2=65 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 30:[2, 60], Operations: ['45-38=7', '67-7=60'] Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,30 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,30 unequal: No Solution Exploring Operation: 2*60=120, Resulting Numbers: [120] 120,30 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[67, 45, 2, 38], Operations: [] Exploring Operation: 45-38=7, Resulting Numbers: [67, 2, 7] Generated Node #0,1: 30:[67, 2, 7] Operation: 45-38=7 Moving to Node #0,1 Current State: 30:[67, 2, 7], Operations: ['45-38=7'] Exploring Operation: 67-7=60, Resulting Numbers: [2, 60] Generated Node #0,1,0: 30:[2, 60] Operation: 67-7=60 Moving to Node #0,1,0 Current State: 30:[2, 60], Operations: ['45-38=7', '67-7=60'] Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_4
sum_heuristic
[ 12, 87, 76, 42 ]
43
[ "87-12=75", "76+42=118", "118-75=43" ]
Current State: 43:[12, 87, 76, 42], Operations: [] Exploring Operation: 87-12=75, Resulting Numbers: [76, 42, 75] Generated Node #2: [76, 42, 75] from Operation: 87-12=75 Current State: 43:[76, 42, 75], Operations: ['87-12=75'] Exploring Operation: 76+42=118, Resulting Numbers: [75, 118] Generated Node #3: [75, 118] from Operation: 76+42=118 Current State: 43:[75, 118], Operations: ['87-12=75', '76+42=118'] Exploring Operation: 118-75=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[12, 87, 76, 42], Operations: [] Exploring Operation: 76-12=64, Resulting Numbers: [87, 42, 64] Generated Node #0,0: 43:[87, 42, 64] Operation: 76-12=64 Exploring Operation: 87-76=11, Resulting Numbers: [12, 42, 11] Generated Node #0,1: 43:[12, 42, 11] Operation: 87-76=11 Exploring Operation: 87-12=75, Resulting Numbers: [76, 42, 75] Generated Node #0,2: 43:[76, 42, 75] Operation: 87-12=75 Exploring Operation: 87-42=45, Resulting Numbers: [12, 76, 45] Generated Node #0,3: 43:[12, 76, 45] Operation: 87-42=45 Moving to Node #0,1 Current State: 43:[12, 42, 11], Operations: ['87-76=11'] Exploring Operation: 12+42=54, Resulting Numbers: [11, 54] Generated Node #0,1,0: 43:[11, 54] Operation: 12+42=54 Exploring Operation: 12+11=23, Resulting Numbers: [42, 23] Generated Node #0,1,1: 43:[42, 23] Operation: 12+11=23 Exploring Operation: 12-11=1, Resulting Numbers: [42, 1] Generated Node #0,1,2: 43:[42, 1] Operation: 12-11=1 Exploring Operation: 42+11=53, Resulting Numbers: [12, 53] Generated Node #0,1,3: 43:[12, 53] Operation: 42+11=53 Moving to Node #0,2 Current State: 43:[76, 42, 75], Operations: ['87-12=75'] Exploring Operation: 76-42=34, Resulting Numbers: [75, 34] Generated Node #0,2,0: 43:[75, 34] Operation: 76-42=34 Exploring Operation: 76+42=118, Resulting Numbers: [75, 118] Generated Node #0,2,1: 43:[75, 118] Operation: 76+42=118 Exploring Operation: 75-42=33, Resulting Numbers: [76, 33] Generated Node #0,2,2: 43:[76, 33] Operation: 75-42=33 Exploring Operation: 76-75=1, Resulting Numbers: [42, 1] Generated Node #0,2,3: 43:[42, 1] Operation: 76-75=1 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 43:[75, 34], Operations: ['87-12=75', '76-42=34'] Exploring Operation: 75+34=109, Resulting Numbers: [109] 109,43 unequal: No Solution Exploring Operation: 75-34=41, Resulting Numbers: [41] 41,43 unequal: No Solution Exploring Operation: 75*34=2550, Resulting Numbers: [2550] 2550,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 43:[76, 33], Operations: ['87-12=75', '75-42=33'] Exploring Operation: 76-33=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[12, 87, 76, 42], Operations: [] Exploring Operation: 87-12=75, Resulting Numbers: [76, 42, 75] Generated Node #0,2: 43:[76, 42, 75] Operation: 87-12=75 Moving to Node #0,2 Current State: 43:[76, 42, 75], Operations: ['87-12=75'] Exploring Operation: 75-42=33, Resulting Numbers: [76, 33] Generated Node #0,2,2: 43:[76, 33] Operation: 75-42=33 Moving to Node #0,2,2 Current State: 43:[76, 33], Operations: ['87-12=75', '75-42=33'] Exploring Operation: 76-33=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 58, 79, 15, 29 ]
65
[ "79-58=21", "15+29=44", "21+44=65" ]
Current State: 65:[58, 79, 15, 29], Operations: [] Exploring Operation: 79-58=21, Resulting Numbers: [15, 29, 21] Generated Node #2: [15, 29, 21] from Operation: 79-58=21 Current State: 65:[15, 29, 21], Operations: ['79-58=21'] Exploring Operation: 15+29=44, Resulting Numbers: [21, 44] Generated Node #3: [21, 44] from Operation: 15+29=44 Current State: 65:[21, 44], Operations: ['79-58=21', '15+29=44'] Exploring Operation: 21+44=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[58, 79, 15, 29], Operations: [] Exploring Operation: 58/29=2, Resulting Numbers: [79, 15, 2] Generated Node #0,0: 65:[79, 15, 2] Operation: 58/29=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[79, 15, 2], Operations: ['58/29=2'] Exploring Operation: 79-15=64, Resulting Numbers: [2, 64] Generated Node #0,0,0: 65:[2, 64] Operation: 79-15=64 Moving to Node #0,0,0 Current State: 65:[2, 64], Operations: ['58/29=2', '79-15=64'] Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,65 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
[ 18, 46, 49, 51 ]
62
[ "18+46=64", "51-49=2", "64-2=62" ]
Current State: 62:[18, 46, 49, 51], Operations: [] Exploring Operation: 18+46=64, Resulting Numbers: [49, 51, 64] Generated Node #2: [49, 51, 64] from Operation: 18+46=64 Current State: 62:[49, 51, 64], Operations: ['18+46=64'] Exploring Operation: 51-49=2, Resulting Numbers: [64, 2] Generated Node #3: [64, 2] from Operation: 51-49=2 Current State: 62:[64, 2], Operations: ['18+46=64', '51-49=2'] Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[18, 46, 49, 51], Operations: [] Exploring Operation: 49-46=3, Resulting Numbers: [18, 51, 3] Generated Node #0,0: 62:[18, 51, 3] Operation: 49-46=3 Exploring Operation: 18+46=64, Resulting Numbers: [49, 51, 64] Generated Node #0,1: 62:[49, 51, 64] Operation: 18+46=64 Exploring Operation: 49-18=31, Resulting Numbers: [46, 51, 31] Generated Node #0,2: 62:[46, 51, 31] Operation: 49-18=31 Moving to Node #0,0 Current State: 62:[18, 51, 3], Operations: ['49-46=3'] Exploring Operation: 18/3=6, Resulting Numbers: [51, 6] Generated Node #0,0,0: 62:[51, 6] Operation: 18/3=6 Exploring Operation: 51-18=33, Resulting Numbers: [3, 33] Generated Node #0,0,1: 62:[3, 33] Operation: 51-18=33 Exploring Operation: 18+51=69, Resulting Numbers: [3, 69] Generated Node #0,0,2: 62:[3, 69] Operation: 18+51=69 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 62:[3, 33], Operations: ['49-46=3', '51-18=33'] Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,62 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,62 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 62:[3, 69], Operations: ['49-46=3', '18+51=69'] Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,62 unequal: No Solution Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,62 unequal: No Solution Exploring Operation: 3+69=72, Resulting Numbers: [72] 72,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[51, 6], Operations: ['49-46=3', '18/3=6'] Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,62 unequal: No Solution Exploring Operation: 51+6=57, Resulting Numbers: [57] 57,62 unequal: No Solution Exploring Operation: 51*6=306, Resulting Numbers: [306] 306,62 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: 62:[49, 51, 64], Operations: ['18+46=64'] Exploring Operation: 51-49=2, Resulting Numbers: [64, 2] Generated Node #0,1,0: 62:[64, 2] Operation: 51-49=2 Exploring Operation: 64-49=15, Resulting Numbers: [51, 15] Generated Node #0,1,1: 62:[51, 15] Operation: 64-49=15 Exploring Operation: 64-51=13, Resulting Numbers: [49, 13] Generated Node #0,1,2: 62:[49, 13] Operation: 64-51=13 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[64, 2], Operations: ['18+46=64', '51-49=2'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,62 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[18, 46, 49, 51], Operations: [] Exploring Operation: 18+46=64, Resulting Numbers: [49, 51, 64] Generated Node #0,1: 62:[49, 51, 64] Operation: 18+46=64 Moving to Node #0,1 Current State: 62:[49, 51, 64], Operations: ['18+46=64'] Exploring Operation: 51-49=2, Resulting Numbers: [64, 2] Generated Node #0,1,0: 62:[64, 2] Operation: 51-49=2 Moving to Node #0,1,0 Current State: 62:[64, 2], Operations: ['18+46=64', '51-49=2'] Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 70, 64, 30, 19 ]
85
[ "70+64=134", "30+19=49", "134-49=85" ]
Current State: 85:[70, 64, 30, 19], Operations: [] Exploring Operation: 70+64=134, Resulting Numbers: [30, 19, 134] Generated Node #2: [30, 19, 134] from Operation: 70+64=134 Current State: 85:[30, 19, 134], Operations: ['70+64=134'] Exploring Operation: 30+19=49, Resulting Numbers: [134, 49] Generated Node #3: [134, 49] from Operation: 30+19=49 Current State: 85:[134, 49], Operations: ['70+64=134', '30+19=49'] Exploring Operation: 134-49=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[70, 64, 30, 19], Operations: [] Exploring Operation: 64+30=94, Resulting Numbers: [70, 19, 94] Generated Node #0,0: 85:[70, 19, 94] Operation: 64+30=94 Exploring Operation: 70-64=6, Resulting Numbers: [30, 19, 6] Generated Node #0,1: 85:[30, 19, 6] Operation: 70-64=6 Exploring Operation: 64+19=83, Resulting Numbers: [70, 30, 83] Generated Node #0,2: 85:[70, 30, 83] Operation: 64+19=83 Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[30, 19, 6], Operations: ['70-64=6'] Exploring Operation: 30-6=24, Resulting Numbers: [19, 24] Generated Node #0,1,0: 85:[19, 24] Operation: 30-6=24 Exploring Operation: 30/6=5, Resulting Numbers: [19, 5] Generated Node #0,1,1: 85:[19, 5] Operation: 30/6=5 Exploring Operation: 30-19=11, Resulting Numbers: [6, 11] Generated Node #0,1,2: 85:[6, 11] Operation: 30-19=11 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 85:[19, 5], Operations: ['70-64=6', '30/6=5'] Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,85 unequal: No Solution Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,85 unequal: No Solution Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,85 unequal: No Solution No 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: 85:[6, 11], Operations: ['70-64=6', '30-19=11'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,85 unequal: No Solution Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,85 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,85 unequal: No Solution No 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: 85:[19, 24], Operations: ['70-64=6', '30-6=24'] Exploring Operation: 19+24=43, Resulting Numbers: [43] 43,85 unequal: No Solution Exploring Operation: 19*24=456, Resulting Numbers: [456] 456,85 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,85 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: 85:[70, 19, 94], Operations: ['64+30=94'] Exploring Operation: 94-70=24, Resulting Numbers: [19, 24] Generated Node #0,0,0: 85:[19, 24] Operation: 94-70=24 Exploring Operation: 70+19=89, Resulting Numbers: [94, 89] Generated Node #0,0,1: 85:[94, 89] Operation: 70+19=89 Exploring Operation: 94-19=75, Resulting Numbers: [70, 75] Generated Node #0,0,2: 85:[70, 75] Operation: 94-19=75 Moving to Node #0,0,0 Current State: 85:[19, 24], Operations: ['64+30=94', '94-70=24'] Exploring Operation: 19+24=43, Resulting Numbers: [43] 43,85 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,85 unequal: No Solution Exploring Operation: 19*24=456, Resulting Numbers: [456] 456,85 unequal: No Solution Moving to Node #0,0,1 Current State: 85:[94, 89], Operations: ['64+30=94', '70+19=89'] Exploring Operation: 94-89=5, Resulting Numbers: [5] 5,85 unequal: No Solution Exploring Operation: 94*89=8366, Resulting Numbers: [8366] 8366,85 unequal: No Solution Exploring Operation: 94+89=183, Resulting Numbers: [183] 183,85 unequal: No Solution Moving to Node #0,0,2 Current State: 85:[70, 75], Operations: ['64+30=94', '94-19=75'] Exploring Operation: 70+75=145, Resulting Numbers: [145] 145,85 unequal: No Solution Exploring Operation: 75-70=5, Resulting Numbers: [5] 5,85 unequal: No Solution Exploring Operation: 70*75=5250, Resulting Numbers: [5250] 5250,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 85:[70, 30, 83], Operations: ['64+19=83'] Exploring Operation: 70+30=100, Resulting Numbers: [83, 100] Generated Node #0,2,0: 85:[83, 100] Operation: 70+30=100 Exploring Operation: 83-70=13, Resulting Numbers: [30, 13] Generated Node #0,2,1: 85:[30, 13] Operation: 83-70=13 Exploring Operation: 70-30=40, Resulting Numbers: [83, 40] Generated Node #0,2,2: 85:[83, 40] Operation: 70-30=40 Moving to Node #0,2,0 Current State: 85:[83, 100], Operations: ['64+19=83', '70+30=100'] Exploring Operation: 83+100=183, Resulting Numbers: [183] 183,85 unequal: No Solution Exploring Operation: 83*100=8300, Resulting Numbers: [8300] 8300,85 unequal: No Solution Exploring Operation: 100-83=17, Resulting Numbers: [17] 17,85 unequal: No Solution Moving to Node #0,2,1 Current State: 85:[30, 13], Operations: ['64+19=83', '83-70=13'] Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,85 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,85 unequal: No Solution Exploring Operation: 30*13=390, Resulting Numbers: [390] 390,85 unequal: No Solution Moving to Node #0,2,2 Current State: 85:[83, 40], Operations: ['64+19=83', '70-30=40'] Exploring Operation: 83*40=3320, Resulting Numbers: [3320] 3320,85 unequal: No Solution Exploring Operation: 83-40=43, Resulting Numbers: [43] 43,85 unequal: No Solution Exploring Operation: 83+40=123, Resulting Numbers: [123] 123,85 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
[ 7, 65, 2, 13 ]
37
[ "7*65=455", "455/13=35", "2+35=37" ]
Current State: 37:[7, 65, 2, 13], Operations: [] Exploring Operation: 7*65=455, Resulting Numbers: [2, 13, 455] Generated Node #2: [2, 13, 455] from Operation: 7*65=455 Current State: 37:[2, 13, 455], Operations: ['7*65=455'] Exploring Operation: 455/13=35, Resulting Numbers: [2, 35] Generated Node #3: [2, 35] from Operation: 455/13=35 Current State: 37:[2, 35], Operations: ['7*65=455', '455/13=35'] Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[7, 65, 2, 13], Operations: [] Exploring Operation: 65-7=58, Resulting Numbers: [2, 13, 58] Generated Node #0,0: 37:[2, 13, 58] Operation: 65-7=58 Exploring Operation: 7*2=14, Resulting Numbers: [65, 13, 14] Generated Node #0,1: 37:[65, 13, 14] Operation: 7*2=14 Exploring Operation: 2*13=26, Resulting Numbers: [7, 65, 26] Generated Node #0,2: 37:[7, 65, 26] Operation: 2*13=26 Moving to Node #0,2 Current State: 37:[7, 65, 26], Operations: ['2*13=26'] Exploring Operation: 65-7=58, Resulting Numbers: [26, 58] Generated Node #0,2,0: 37:[26, 58] Operation: 65-7=58 Exploring Operation: 7+26=33, Resulting Numbers: [65, 33] Generated Node #0,2,1: 37:[65, 33] Operation: 7+26=33 Exploring Operation: 65-26=39, Resulting Numbers: [7, 39] Generated Node #0,2,2: 37:[7, 39] Operation: 65-26=39 Moving to Node #0,1 Current State: 37:[65, 13, 14], Operations: ['7*2=14'] Exploring Operation: 65-14=51, Resulting Numbers: [13, 51] Generated Node #0,1,0: 37:[13, 51] Operation: 65-14=51 Exploring Operation: 13+14=27, Resulting Numbers: [65, 27] Generated Node #0,1,1: 37:[65, 27] Operation: 13+14=27 Exploring Operation: 65-13=52, Resulting Numbers: [14, 52] Generated Node #0,1,2: 37:[14, 52] Operation: 65-13=52 Moving to Node #0,0 Current State: 37:[2, 13, 58], Operations: ['65-7=58'] Exploring Operation: 58/2=29, Resulting Numbers: [13, 29] Generated Node #0,0,0: 37:[13, 29] Operation: 58/2=29 Exploring Operation: 2+13=15, Resulting Numbers: [58, 15] Generated Node #0,0,1: 37:[58, 15] Operation: 2+13=15 Exploring Operation: 2*13=26, Resulting Numbers: [58, 26] Generated Node #0,0,2: 37:[58, 26] Operation: 2*13=26 Moving to Node #0,2,0 Current State: 37:[26, 58], Operations: ['2*13=26', '65-7=58'] Exploring Operation: 26+58=84, Resulting Numbers: [84] 84,37 unequal: No Solution Exploring Operation: 26*58=1508, Resulting Numbers: [1508] 1508,37 unequal: No Solution Exploring Operation: 58-26=32, Resulting Numbers: [32] 32,37 unequal: No Solution Moving to Node #0,2,2 Current State: 37:[7, 39], Operations: ['2*13=26', '65-26=39'] Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,37 unequal: No Solution Exploring Operation: 7*39=273, Resulting Numbers: [273] 273,37 unequal: No Solution Exploring Operation: 7+39=46, Resulting Numbers: [46] 46,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[13, 29], Operations: ['65-7=58', '58/2=29'] Exploring Operation: 13+29=42, Resulting Numbers: [42] 42,37 unequal: No Solution Exploring Operation: 13*29=377, Resulting Numbers: [377] 377,37 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[65, 33], Operations: ['2*13=26', '7+26=33'] Exploring Operation: 65-33=32, Resulting Numbers: [32] 32,37 unequal: No Solution Exploring Operation: 65*33=2145, Resulting Numbers: [2145] 2145,37 unequal: No Solution Exploring Operation: 65+33=98, Resulting Numbers: [98] 98,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[58, 26], Operations: ['65-7=58', '2*13=26'] Exploring Operation: 58-26=32, Resulting Numbers: [32] 32,37 unequal: No Solution Exploring Operation: 58*26=1508, Resulting Numbers: [1508] 1508,37 unequal: No Solution Exploring Operation: 58+26=84, Resulting Numbers: [84] 84,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[14, 52], Operations: ['7*2=14', '65-13=52'] Exploring Operation: 14+52=66, Resulting Numbers: [66] 66,37 unequal: No Solution Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 14*52=728, Resulting Numbers: [728] 728,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[13, 51], Operations: ['7*2=14', '65-14=51'] Exploring Operation: 13+51=64, Resulting Numbers: [64] 64,37 unequal: No Solution Exploring Operation: 51-13=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 13*51=663, Resulting Numbers: [663] 663,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[65, 27], Operations: ['7*2=14', '13+14=27'] Exploring Operation: 65-27=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 65*27=1755, Resulting Numbers: [1755] 1755,37 unequal: No Solution Exploring Operation: 65+27=92, Resulting Numbers: [92] 92,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[58, 15], Operations: ['65-7=58', '2+13=15'] Exploring Operation: 58+15=73, Resulting Numbers: [73] 73,37 unequal: No Solution Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,37 unequal: No Solution Exploring Operation: 58*15=870, Resulting Numbers: [870] 870,37 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 42, 34, 53, 70 ]
59
[ "42+34=76", "70-53=17", "76-17=59" ]
Current State: 59:[42, 34, 53, 70], Operations: [] Exploring Operation: 42+34=76, Resulting Numbers: [53, 70, 76] Generated Node #2: [53, 70, 76] from Operation: 42+34=76 Current State: 59:[53, 70, 76], Operations: ['42+34=76'] Exploring Operation: 70-53=17, Resulting Numbers: [76, 17] Generated Node #3: [76, 17] from Operation: 70-53=17 Current State: 59:[76, 17], Operations: ['42+34=76', '70-53=17'] Exploring Operation: 76-17=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[42, 34, 53, 70], Operations: [] Exploring Operation: 34+53=87, Resulting Numbers: [42, 70, 87] Generated Node #0,0: 59:[42, 70, 87] Operation: 34+53=87 Exploring Operation: 42+34=76, Resulting Numbers: [53, 70, 76] Generated Node #0,1: 59:[53, 70, 76] Operation: 42+34=76 Exploring Operation: 70-34=36, Resulting Numbers: [42, 53, 36] Generated Node #0,2: 59:[42, 53, 36] Operation: 70-34=36 Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[53, 70, 76], Operations: ['42+34=76'] Exploring Operation: 76-53=23, Resulting Numbers: [70, 23] Generated Node #0,1,0: 59:[70, 23] Operation: 76-53=23 Exploring Operation: 76-70=6, Resulting Numbers: [53, 6] Generated Node #0,1,1: 59:[53, 6] Operation: 76-70=6 Exploring Operation: 70-53=17, Resulting Numbers: [76, 17] Generated Node #0,1,2: 59:[76, 17] Operation: 70-53=17 Moving to Node #0,1,0 Current State: 59:[70, 23], Operations: ['42+34=76', '76-53=23'] Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,59 unequal: No Solution Exploring Operation: 70*23=1610, Resulting Numbers: [1610] 1610,59 unequal: No Solution Exploring Operation: 70+23=93, Resulting Numbers: [93] 93,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[53, 6], Operations: ['42+34=76', '76-70=6'] Exploring Operation: 53+6=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[42, 34, 53, 70], Operations: [] Exploring Operation: 42+34=76, Resulting Numbers: [53, 70, 76] Generated Node #0,1: 59:[53, 70, 76] Operation: 42+34=76 Moving to Node #0,1 Current State: 59:[53, 70, 76], Operations: ['42+34=76'] Exploring Operation: 76-70=6, Resulting Numbers: [53, 6] Generated Node #0,1,1: 59:[53, 6] Operation: 76-70=6 Moving to Node #0,1,1 Current State: 59:[53, 6], Operations: ['42+34=76', '76-70=6'] Exploring Operation: 53+6=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 45, 60, 62, 77 ]
61
[ "45+77=122", "62-60=2", "122/2=61" ]
Current State: 61:[45, 60, 62, 77], Operations: [] Exploring Operation: 45+77=122, Resulting Numbers: [60, 62, 122] Generated Node #2: [60, 62, 122] from Operation: 45+77=122 Current State: 61:[60, 62, 122], Operations: ['45+77=122'] Exploring Operation: 62-60=2, Resulting Numbers: [122, 2] Generated Node #3: [122, 2] from Operation: 62-60=2 Current State: 61:[122, 2], Operations: ['45+77=122', '62-60=2'] Exploring Operation: 122/2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[45, 60, 62, 77], Operations: [] Exploring Operation: 77-60=17, Resulting Numbers: [45, 62, 17] Generated Node #0,0: 61:[45, 62, 17] Operation: 77-60=17 Exploring Operation: 77-45=32, Resulting Numbers: [60, 62, 32] Generated Node #0,1: 61:[60, 62, 32] Operation: 77-45=32 Exploring Operation: 45+60=105, Resulting Numbers: [62, 77, 105] Generated Node #0,2: 61:[62, 77, 105] Operation: 45+60=105 Exploring Operation: 62-45=17, Resulting Numbers: [60, 77, 17] Generated Node #0,3: 61:[60, 77, 17] Operation: 62-45=17 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[60, 62, 32], Operations: ['77-45=32'] Exploring Operation: 62+32=94, Resulting Numbers: [60, 94] Generated Node #0,1,0: 61:[60, 94] Operation: 62+32=94 Exploring Operation: 62-32=30, Resulting Numbers: [60, 30] Generated Node #0,1,1: 61:[60, 30] Operation: 62-32=30 Exploring Operation: 60+32=92, Resulting Numbers: [62, 92] Generated Node #0,1,2: 61:[62, 92] Operation: 60+32=92 Exploring Operation: 60-32=28, Resulting Numbers: [62, 28] Generated Node #0,1,3: 61:[62, 28] Operation: 60-32=28 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 61:[60, 30], Operations: ['77-45=32', '62-32=30'] Exploring Operation: 60-30=30, Resulting Numbers: [30] 30,61 unequal: No Solution Exploring Operation: 60*30=1800, Resulting Numbers: [1800] 1800,61 unequal: No Solution Exploring Operation: 60+30=90, Resulting Numbers: [90] 90,61 unequal: No Solution Exploring Operation: 60/30=2, Resulting Numbers: [2] 2,61 unequal: No Solution No 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: 61:[62, 92], Operations: ['77-45=32', '60+32=92'] Exploring Operation: 62*92=5704, Resulting Numbers: [5704] 5704,61 unequal: No Solution Exploring Operation: 62+92=154, Resulting Numbers: [154] 154,61 unequal: No Solution Exploring Operation: 92-62=30, Resulting Numbers: [30] 30,61 unequal: No Solution No 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: 61:[60, 94], Operations: ['77-45=32', '62+32=94'] Exploring Operation: 60+94=154, Resulting Numbers: [154] 154,61 unequal: No Solution Exploring Operation: 60*94=5640, Resulting Numbers: [5640] 5640,61 unequal: No Solution Exploring Operation: 94-60=34, Resulting Numbers: [34] 34,61 unequal: No Solution No 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: 61:[62, 28], Operations: ['77-45=32', '60-32=28'] Exploring Operation: 62*28=1736, Resulting Numbers: [1736] 1736,61 unequal: No Solution Exploring Operation: 62+28=90, Resulting Numbers: [90] 90,61 unequal: No Solution Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,61 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: 61:[45, 62, 17], Operations: ['77-60=17'] Exploring Operation: 45+17=62, Resulting Numbers: [62, 62] Generated Node #0,0,0: 61:[62, 62] Operation: 45+17=62 Exploring Operation: 62-17=45, Resulting Numbers: [45, 45] Generated Node #0,0,1: 61:[45, 45] Operation: 62-17=45 Exploring Operation: 62+17=79, Resulting Numbers: [45, 79] Generated Node #0,0,2: 61:[45, 79] Operation: 62+17=79 Exploring Operation: 45-17=28, Resulting Numbers: [62, 28] Generated Node #0,0,3: 61:[62, 28] Operation: 45-17=28 Moving to Node #0,0,0 Current State: 61:[62, 62], Operations: ['77-60=17', '45+17=62'] Exploring Operation: 62-62=0, Resulting Numbers: [0] 0,61 unequal: No Solution Exploring Operation: 62/62=1, Resulting Numbers: [1] 1,61 unequal: No Solution Exploring Operation: 62+62=124, Resulting Numbers: [124] 124,61 unequal: No Solution Exploring Operation: 62*62=3844, Resulting Numbers: [3844] 3844,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[45, 45], Operations: ['77-60=17', '62-17=45'] Exploring Operation: 45-45=0, Resulting Numbers: [0] 0,61 unequal: No Solution Exploring Operation: 45/45=1, Resulting Numbers: [1] 1,61 unequal: No Solution Exploring Operation: 45+45=90, Resulting Numbers: [90] 90,61 unequal: No Solution Exploring Operation: 45*45=2025, Resulting Numbers: [2025] 2025,61 unequal: No Solution Moving to Node #0,0,3 Current State: 61:[62, 28], Operations: ['77-60=17', '45-17=28'] Exploring Operation: 62+28=90, Resulting Numbers: [90] 90,61 unequal: No Solution Exploring Operation: 62*28=1736, Resulting Numbers: [1736] 1736,61 unequal: No Solution Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,61 unequal: No Solution Moving to Node #0,0,2 Current State: 61:[45, 79], Operations: ['77-60=17', '62+17=79'] Exploring Operation: 45+79=124, Resulting Numbers: [124] 124,61 unequal: No Solution Exploring Operation: 79-45=34, Resulting Numbers: [34] 34,61 unequal: No Solution Exploring Operation: 45*79=3555, Resulting Numbers: [3555] 3555,61 unequal: No Solution No 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: 61:[62, 77, 105], Operations: ['45+60=105'] Exploring Operation: 62+77=139, Resulting Numbers: [105, 139] Generated Node #0,2,0: 61:[105, 139] Operation: 62+77=139 Exploring Operation: 77-62=15, Resulting Numbers: [105, 15] Generated Node #0,2,1: 61:[105, 15] Operation: 77-62=15 Exploring Operation: 105-62=43, Resulting Numbers: [77, 43] Generated Node #0,2,2: 61:[77, 43] Operation: 105-62=43 Exploring Operation: 105-77=28, Resulting Numbers: [62, 28] Generated Node #0,2,3: 61:[62, 28] Operation: 105-77=28 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 61:[77, 43], Operations: ['45+60=105', '105-62=43'] Exploring Operation: 77*43=3311, Resulting Numbers: [3311] 3311,61 unequal: No Solution Exploring Operation: 77+43=120, Resulting Numbers: [120] 120,61 unequal: No Solution Exploring Operation: 77-43=34, Resulting Numbers: [34] 34,61 unequal: No Solution No 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: 61:[62, 28], Operations: ['45+60=105', '105-77=28'] Exploring Operation: 62*28=1736, Resulting Numbers: [1736] 1736,61 unequal: No Solution Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,61 unequal: No Solution Exploring Operation: 62+28=90, Resulting Numbers: [90] 90,61 unequal: No Solution No 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: 61:[105, 15], Operations: ['45+60=105', '77-62=15'] Exploring Operation: 105*15=1575, Resulting Numbers: [1575] 1575,61 unequal: No Solution Exploring Operation: 105+15=120, Resulting Numbers: [120] 120,61 unequal: No Solution Exploring Operation: 105-15=90, Resulting Numbers: [90] 90,61 unequal: No Solution Exploring Operation: 105/15=7, Resulting Numbers: [7] 7,61 unequal: No Solution No 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: 61:[105, 139], Operations: ['45+60=105', '62+77=139'] Exploring Operation: 105*139=14595, Resulting Numbers: [14595] 14595,61 unequal: No Solution Exploring Operation: 105+139=244, Resulting Numbers: [244] 244,61 unequal: No Solution Exploring Operation: 139-105=34, Resulting Numbers: [34] 34,61 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: 61:[60, 77, 17], Operations: ['62-45=17'] Exploring Operation: 60-17=43, Resulting Numbers: [77, 43] Generated Node #0,3,0: 61:[77, 43] Operation: 60-17=43 Exploring Operation: 60+17=77, Resulting Numbers: [77, 77] Generated Node #0,3,1: 61:[77, 77] Operation: 60+17=77 Exploring Operation: 77+17=94, Resulting Numbers: [60, 94] Generated Node #0,3,2: 61:[60, 94] Operation: 77+17=94 Exploring Operation: 77-17=60, Resulting Numbers: [60, 60] Generated Node #0,3,3: 61:[60, 60] Operation: 77-17=60 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 61:[60, 60], Operations: ['62-45=17', '77-17=60'] Exploring Operation: 60*60=3600, Resulting Numbers: [3600] 3600,61 unequal: No Solution Exploring Operation: 60/60=1, Resulting Numbers: [1] 1,61 unequal: No Solution Exploring Operation: 60-60=0, Resulting Numbers: [0] 0,61 unequal: No Solution Exploring Operation: 60+60=120, Resulting Numbers: [120] 120,61 unequal: No Solution No 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: 61:[77, 77], Operations: ['62-45=17', '60+17=77'] Exploring Operation: 77*77=5929, Resulting Numbers: [5929] 5929,61 unequal: No Solution Exploring Operation: 77-77=0, Resulting Numbers: [0] 0,61 unequal: No Solution Exploring Operation: 77/77=1, Resulting Numbers: [1] 1,61 unequal: No Solution Exploring Operation: 77+77=154, Resulting Numbers: [154] 154,61 unequal: No Solution No 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: 61:[77, 43], Operations: ['62-45=17', '60-17=43'] Exploring Operation: 77+43=120, Resulting Numbers: [120] 120,61 unequal: No Solution Exploring Operation: 77-43=34, Resulting Numbers: [34] 34,61 unequal: No Solution Exploring Operation: 77*43=3311, Resulting Numbers: [3311] 3311,61 unequal: No Solution No 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: 61:[60, 94], Operations: ['62-45=17', '77+17=94'] Exploring Operation: 94-60=34, Resulting Numbers: [34] 34,61 unequal: No Solution Exploring Operation: 60*94=5640, Resulting Numbers: [5640] 5640,61 unequal: No Solution Exploring Operation: 60+94=154, Resulting Numbers: [154] 154,61 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
[ 3, 4, 98, 78 ]
60
[ "4+98=102", "78+102=180", "180/3=60" ]
Current State: 60:[3, 4, 98, 78], Operations: [] Exploring Operation: 4+98=102, Resulting Numbers: [3, 78, 102] Generated Node #2: [3, 78, 102] from Operation: 4+98=102 Current State: 60:[3, 78, 102], Operations: ['4+98=102'] Exploring Operation: 78+102=180, Resulting Numbers: [3, 180] Generated Node #3: [3, 180] from Operation: 78+102=180 Current State: 60:[3, 180], Operations: ['4+98=102', '78+102=180'] Exploring Operation: 180/3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[3, 4, 98, 78], Operations: [] Exploring Operation: 98-78=20, Resulting Numbers: [3, 4, 20] Generated Node #0,0: 60:[3, 4, 20] Operation: 98-78=20 Exploring Operation: 78/3=26, Resulting Numbers: [4, 98, 26] Generated Node #0,1: 60:[4, 98, 26] Operation: 78/3=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[3, 4, 20], Operations: ['98-78=20'] Exploring Operation: 3*20=60, Resulting Numbers: [4, 60] Generated Node #0,0,0: 60:[4, 60] Operation: 3*20=60 Exploring Operation: 3*4=12, Resulting Numbers: [20, 12] Generated Node #0,0,1: 60:[20, 12] Operation: 3*4=12 Moving to Node #0,0,0 Current State: 60:[4, 60], Operations: ['98-78=20', '3*20=60'] Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[20, 12], Operations: ['98-78=20', '3*4=12'] Exploring Operation: 20+12=32, Resulting Numbers: [32] 32,60 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,60 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:[4, 98, 26], Operations: ['78/3=26'] Exploring Operation: 98-26=72, Resulting Numbers: [4, 72] Generated Node #0,1,0: 60:[4, 72] Operation: 98-26=72 Exploring Operation: 98-4=94, Resulting Numbers: [26, 94] Generated Node #0,1,1: 60:[26, 94] Operation: 98-4=94 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 60:[4, 72], Operations: ['78/3=26', '98-26=72'] Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,60 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:[26, 94], Operations: ['78/3=26', '98-4=94'] Exploring Operation: 94-26=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 26+94=120, Resulting Numbers: [120] 120,60 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 No solution found.
0
hs_2
mult_heuristic
[ 22, 2, 53, 1 ]
13
[ "2+1=3", "22*3=66", "66-53=13" ]
Current State: 13:[22, 2, 53, 1], Operations: [] Exploring Operation: 2+1=3, Resulting Numbers: [22, 53, 3] Generated Node #2: [22, 53, 3] from Operation: 2+1=3 Current State: 13:[22, 53, 3], Operations: ['2+1=3'] Exploring Operation: 22*3=66, Resulting Numbers: [53, 66] Generated Node #3: [53, 66] from Operation: 22*3=66 Current State: 13:[53, 66], Operations: ['2+1=3', '22*3=66'] Exploring Operation: 66-53=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[22, 2, 53, 1], Operations: [] Exploring Operation: 53-22=31, Resulting Numbers: [2, 1, 31] Generated Node #0,0: 13:[2, 1, 31] Operation: 53-22=31 Exploring Operation: 22/2=11, Resulting Numbers: [53, 1, 11] Generated Node #0,1: 13:[53, 1, 11] Operation: 22/2=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[2, 1, 31], Operations: ['53-22=31'] Exploring Operation: 31-2=29, Resulting Numbers: [1, 29] Generated Node #0,0,0: 13:[1, 29] Operation: 31-2=29 Exploring Operation: 2+1=3, Resulting Numbers: [31, 3] Generated Node #0,0,1: 13:[31, 3] Operation: 2+1=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[1, 29], Operations: ['53-22=31', '31-2=29'] Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,13 unequal: No Solution Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,13 unequal: No Solution No 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: 13:[31, 3], Operations: ['53-22=31', '2+1=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,13 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,13 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: 13:[53, 1, 11], Operations: ['22/2=11'] Exploring Operation: 53-1=52, Resulting Numbers: [11, 52] Generated Node #0,1,0: 13:[11, 52] Operation: 53-1=52 Exploring Operation: 53-11=42, Resulting Numbers: [1, 42] Generated Node #0,1,1: 13:[1, 42] Operation: 53-11=42 Moving to Node #0,1,0 Current State: 13:[11, 52], Operations: ['22/2=11', '53-1=52'] Exploring Operation: 11+52=63, Resulting Numbers: [63] 63,13 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,13 unequal: No Solution Moving to Node #0,1,1 Current State: 13:[1, 42], Operations: ['22/2=11', '53-11=42'] Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,13 unequal: No Solution Exploring Operation: 1*42=42, Resulting Numbers: [42] 42,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 76, 90, 48, 49 ]
69
[ "76+90=166", "48+49=97", "166-97=69" ]
Current State: 69:[76, 90, 48, 49], Operations: [] Exploring Operation: 76+90=166, Resulting Numbers: [48, 49, 166] Generated Node #2: [48, 49, 166] from Operation: 76+90=166 Current State: 69:[48, 49, 166], Operations: ['76+90=166'] Exploring Operation: 48+49=97, Resulting Numbers: [166, 97] Generated Node #3: [166, 97] from Operation: 48+49=97 Current State: 69:[166, 97], Operations: ['76+90=166', '48+49=97'] Exploring Operation: 166-97=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[76, 90, 48, 49], Operations: [] Exploring Operation: 76-48=28, Resulting Numbers: [90, 49, 28] Generated Node #0,0: 69:[90, 49, 28] Operation: 76-48=28 Exploring Operation: 49-48=1, Resulting Numbers: [76, 90, 1] Generated Node #0,1: 69:[76, 90, 1] Operation: 49-48=1 Moving to Node #0,1 Current State: 69:[76, 90, 1], Operations: ['49-48=1'] Exploring Operation: 76-1=75, Resulting Numbers: [90, 75] Generated Node #0,1,0: 69:[90, 75] Operation: 76-1=75 Exploring Operation: 90-76=14, Resulting Numbers: [1, 14] Generated Node #0,1,1: 69:[1, 14] Operation: 90-76=14 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 69:[1, 14], Operations: ['49-48=1', '90-76=14'] Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,69 unequal: No Solution Exploring Operation: 1+14=15, Resulting Numbers: [15] 15,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 69:[90, 75], Operations: ['49-48=1', '76-1=75'] Exploring Operation: 90+75=165, Resulting Numbers: [165] 165,69 unequal: No Solution Exploring Operation: 90-75=15, Resulting Numbers: [15] 15,69 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: 69:[90, 49, 28], Operations: ['76-48=28'] Exploring Operation: 49-28=21, Resulting Numbers: [90, 21] Generated Node #0,0,0: 69:[90, 21] Operation: 49-28=21 Exploring Operation: 90-49=41, Resulting Numbers: [28, 41] Generated Node #0,0,1: 69:[28, 41] Operation: 90-49=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[90, 21], Operations: ['76-48=28', '49-28=21'] Exploring Operation: 90+21=111, Resulting Numbers: [111] 111,69 unequal: No Solution Exploring Operation: 90-21=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[76, 90, 48, 49], Operations: [] Exploring Operation: 76-48=28, Resulting Numbers: [90, 49, 28] Generated Node #0,0: 69:[90, 49, 28] Operation: 76-48=28 Moving to Node #0,0 Current State: 69:[90, 49, 28], Operations: ['76-48=28'] Exploring Operation: 49-28=21, Resulting Numbers: [90, 21] Generated Node #0,0,0: 69:[90, 21] Operation: 49-28=21 Moving to Node #0,0,0 Current State: 69:[90, 21], Operations: ['76-48=28', '49-28=21'] Exploring Operation: 90-21=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 43, 61, 90, 99 ]
94
[ "61-43=18", "90/18=5", "99-5=94" ]
Current State: 94:[43, 61, 90, 99], Operations: [] Exploring Operation: 61-43=18, Resulting Numbers: [90, 99, 18] Generated Node #2: [90, 99, 18] from Operation: 61-43=18 Current State: 94:[90, 99, 18], Operations: ['61-43=18'] Exploring Operation: 90/18=5, Resulting Numbers: [99, 5] Generated Node #3: [99, 5] from Operation: 90/18=5 Current State: 94:[99, 5], Operations: ['61-43=18', '90/18=5'] Exploring Operation: 99-5=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[43, 61, 90, 99], Operations: [] Exploring Operation: 90-43=47, Resulting Numbers: [61, 99, 47] Generated Node #0,0: 94:[61, 99, 47] Operation: 90-43=47 Exploring Operation: 43+61=104, Resulting Numbers: [90, 99, 104] Generated Node #0,1: 94:[90, 99, 104] Operation: 43+61=104 Exploring Operation: 61-43=18, Resulting Numbers: [90, 99, 18] Generated Node #0,2: 94:[90, 99, 18] Operation: 61-43=18 Exploring Operation: 99-61=38, Resulting Numbers: [43, 90, 38] Generated Node #0,3: 94:[43, 90, 38] Operation: 99-61=38 Moving to Node #0,3 Current State: 94:[43, 90, 38], Operations: ['99-61=38'] Exploring Operation: 43+38=81, Resulting Numbers: [90, 81] Generated Node #0,3,0: 94:[90, 81] Operation: 43+38=81 Exploring Operation: 90-38=52, Resulting Numbers: [43, 52] Generated Node #0,3,1: 94:[43, 52] Operation: 90-38=52 Exploring Operation: 43-38=5, Resulting Numbers: [90, 5] Generated Node #0,3,2: 94:[90, 5] Operation: 43-38=5 Exploring Operation: 90-43=47, Resulting Numbers: [38, 47] Generated Node #0,3,3: 94:[38, 47] Operation: 90-43=47 Moving to Node #0,1 Current State: 94:[90, 99, 104], Operations: ['43+61=104'] Exploring Operation: 99-90=9, Resulting Numbers: [104, 9] Generated Node #0,1,0: 94:[104, 9] Operation: 99-90=9 Exploring Operation: 90+99=189, Resulting Numbers: [104, 189] Generated Node #0,1,1: 94:[104, 189] Operation: 90+99=189 Exploring Operation: 104-90=14, Resulting Numbers: [99, 14] Generated Node #0,1,2: 94:[99, 14] Operation: 104-90=14 Exploring Operation: 104-99=5, Resulting Numbers: [90, 5] Generated Node #0,1,3: 94:[90, 5] Operation: 104-99=5 Moving to Node #0,0 Current State: 94:[61, 99, 47], Operations: ['90-43=47'] Exploring Operation: 61+47=108, Resulting Numbers: [99, 108] Generated Node #0,0,0: 94:[99, 108] Operation: 61+47=108 Exploring Operation: 61-47=14, Resulting Numbers: [99, 14] Generated Node #0,0,1: 94:[99, 14] Operation: 61-47=14 Exploring Operation: 99-61=38, Resulting Numbers: [47, 38] Generated Node #0,0,2: 94:[47, 38] Operation: 99-61=38 Exploring Operation: 99-47=52, Resulting Numbers: [61, 52] Generated Node #0,0,3: 94:[61, 52] Operation: 99-47=52 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 94:[47, 38], Operations: ['90-43=47', '99-61=38'] Exploring Operation: 47-38=9, Resulting Numbers: [9] 9,94 unequal: No Solution Exploring Operation: 47+38=85, Resulting Numbers: [85] 85,94 unequal: No Solution Exploring Operation: 47*38=1786, Resulting Numbers: [1786] 1786,94 unequal: No Solution No 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: 94:[99, 14], Operations: ['90-43=47', '61-47=14'] Exploring Operation: 99-14=85, Resulting Numbers: [85] 85,94 unequal: No Solution Exploring Operation: 99*14=1386, Resulting Numbers: [1386] 1386,94 unequal: No Solution Exploring Operation: 99+14=113, Resulting Numbers: [113] 113,94 unequal: No Solution No 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: 94:[99, 108], Operations: ['90-43=47', '61+47=108'] Exploring Operation: 99+108=207, Resulting Numbers: [207] 207,94 unequal: No Solution Exploring Operation: 108-99=9, Resulting Numbers: [9] 9,94 unequal: No Solution Exploring Operation: 99*108=10692, Resulting Numbers: [10692] 10692,94 unequal: No Solution No 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: 94:[61, 52], Operations: ['90-43=47', '99-47=52'] Exploring Operation: 61+52=113, Resulting Numbers: [113] 113,94 unequal: No Solution Exploring Operation: 61*52=3172, Resulting Numbers: [3172] 3172,94 unequal: No Solution Exploring Operation: 61-52=9, Resulting Numbers: [9] 9,94 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: 94:[90, 99, 18], Operations: ['61-43=18'] Exploring Operation: 90/18=5, Resulting Numbers: [99, 5] Generated Node #0,2,0: 94:[99, 5] Operation: 90/18=5 Exploring Operation: 99-90=9, Resulting Numbers: [18, 9] Generated Node #0,2,1: 94:[18, 9] Operation: 99-90=9 Exploring Operation: 90+18=108, Resulting Numbers: [99, 108] Generated Node #0,2,2: 94:[99, 108] Operation: 90+18=108 Exploring Operation: 99-18=81, Resulting Numbers: [90, 81] Generated Node #0,2,3: 94:[90, 81] Operation: 99-18=81 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 94:[99, 5], Operations: ['61-43=18', '90/18=5'] Exploring Operation: 99+5=104, Resulting Numbers: [104] 104,94 unequal: No Solution Exploring Operation: 99-5=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[43, 61, 90, 99], Operations: [] Exploring Operation: 61-43=18, Resulting Numbers: [90, 99, 18] Generated Node #0,2: 94:[90, 99, 18] Operation: 61-43=18 Moving to Node #0,2 Current State: 94:[90, 99, 18], Operations: ['61-43=18'] Exploring Operation: 90/18=5, Resulting Numbers: [99, 5] Generated Node #0,2,0: 94:[99, 5] Operation: 90/18=5 Moving to Node #0,2,0 Current State: 94:[99, 5], Operations: ['61-43=18', '90/18=5'] Exploring Operation: 99-5=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_4
mult_heuristic
[ 6, 7, 25, 93 ]
90
[ "25-7=18", "18/6=3", "93-3=90" ]
Current State: 90:[6, 7, 25, 93], Operations: [] Exploring Operation: 25-7=18, Resulting Numbers: [6, 93, 18] Generated Node #2: [6, 93, 18] from Operation: 25-7=18 Current State: 90:[6, 93, 18], Operations: ['25-7=18'] Exploring Operation: 18/6=3, Resulting Numbers: [93, 3] Generated Node #3: [93, 3] from Operation: 18/6=3 Current State: 90:[93, 3], Operations: ['25-7=18', '18/6=3'] Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[6, 7, 25, 93], Operations: [] Exploring Operation: 25-7=18, Resulting Numbers: [6, 93, 18] Generated Node #0,0: 90:[6, 93, 18] Operation: 25-7=18 Exploring Operation: 6+25=31, Resulting Numbers: [7, 93, 31] Generated Node #0,1: 90:[7, 93, 31] Operation: 6+25=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[6, 93, 18], Operations: ['25-7=18'] Exploring Operation: 93-6=87, Resulting Numbers: [18, 87] Generated Node #0,0,0: 90:[18, 87] Operation: 93-6=87 Exploring Operation: 18/6=3, Resulting Numbers: [93, 3] Generated Node #0,0,1: 90:[93, 3] Operation: 18/6=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[18, 87], Operations: ['25-7=18', '93-6=87'] Exploring Operation: 87-18=69, Resulting Numbers: [69] 69,90 unequal: No Solution Exploring Operation: 18+87=105, Resulting Numbers: [105] 105,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 90:[93, 3], Operations: ['25-7=18', '18/6=3'] Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[6, 7, 25, 93], Operations: [] Exploring Operation: 25-7=18, Resulting Numbers: [6, 93, 18] Generated Node #0,0: 90:[6, 93, 18] Operation: 25-7=18 Moving to Node #0,0 Current State: 90:[6, 93, 18], Operations: ['25-7=18'] Exploring Operation: 18/6=3, Resulting Numbers: [93, 3] Generated Node #0,0,1: 90:[93, 3] Operation: 18/6=3 Moving to Node #0,0,1 Current State: 90:[93, 3], Operations: ['25-7=18', '18/6=3'] Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 29, 88, 77, 88 ]
77
[ "88-88=0", "29*0=0", "77+0=77" ]
Current State: 77:[29, 88, 77, 88], Operations: [] Exploring Operation: 88-88=0, Resulting Numbers: [29, 77, 0] Generated Node #2: [29, 77, 0] from Operation: 88-88=0 Current State: 77:[29, 77, 0], Operations: ['88-88=0'] Exploring Operation: 29*0=0, Resulting Numbers: [77, 0] Generated Node #3: [77, 0] from Operation: 29*0=0 Current State: 77:[77, 0], Operations: ['88-88=0', '29*0=0'] Exploring Operation: 77+0=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[29, 88, 77, 88], Operations: [] Exploring Operation: 88-88=0, Resulting Numbers: [29, 77, 0] Generated Node #0,0: 77:[29, 77, 0] Operation: 88-88=0 Exploring Operation: 88/88=1, Resulting Numbers: [29, 77, 1] Generated Node #0,1: 77:[29, 77, 1] Operation: 88/88=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[29, 77, 1], Operations: ['88/88=1'] Exploring Operation: 29-1=28, Resulting Numbers: [77, 28] Generated Node #0,1,0: 77:[77, 28] Operation: 29-1=28 Exploring Operation: 29*1=29, Resulting Numbers: [77, 29] Generated Node #0,1,1: 77:[77, 29] Operation: 29*1=29 Moving to Node #0,1,0 Current State: 77:[77, 28], Operations: ['88/88=1', '29-1=28'] Exploring Operation: 77+28=105, Resulting Numbers: [105] 105,77 unequal: No Solution Exploring Operation: 77-28=49, Resulting Numbers: [49] 49,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[77, 29], Operations: ['88/88=1', '29*1=29'] Exploring Operation: 77-29=48, Resulting Numbers: [48] 48,77 unequal: No Solution Exploring Operation: 77+29=106, Resulting Numbers: [106] 106,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[29, 77, 0], Operations: ['88-88=0'] Exploring Operation: 29*0=0, Resulting Numbers: [77, 0] Generated Node #0,0,0: 77:[77, 0] Operation: 29*0=0 Exploring Operation: 29+0=29, Resulting Numbers: [77, 29] Generated Node #0,0,1: 77:[77, 29] Operation: 29+0=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[77, 0], Operations: ['88-88=0', '29*0=0'] Exploring Operation: 77+0=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[29, 88, 77, 88], Operations: [] Exploring Operation: 88-88=0, Resulting Numbers: [29, 77, 0] Generated Node #0,0: 77:[29, 77, 0] Operation: 88-88=0 Moving to Node #0,0 Current State: 77:[29, 77, 0], Operations: ['88-88=0'] Exploring Operation: 29*0=0, Resulting Numbers: [77, 0] Generated Node #0,0,0: 77:[77, 0] Operation: 29*0=0 Moving to Node #0,0,0 Current State: 77:[77, 0], Operations: ['88-88=0', '29*0=0'] Exploring Operation: 77+0=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 38, 91, 34, 41 ]
19
[ "41-38=3", "91-34=57", "57/3=19" ]
Current State: 19:[38, 91, 34, 41], Operations: [] Exploring Operation: 41-38=3, Resulting Numbers: [91, 34, 3] Generated Node #2: [91, 34, 3] from Operation: 41-38=3 Current State: 19:[91, 34, 3], Operations: ['41-38=3'] Exploring Operation: 91-34=57, Resulting Numbers: [3, 57] Generated Node #3: [3, 57] from Operation: 91-34=57 Current State: 19:[3, 57], Operations: ['41-38=3', '91-34=57'] Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[38, 91, 34, 41], Operations: [] Exploring Operation: 91-34=57, Resulting Numbers: [38, 41, 57] Generated Node #0,0: 19:[38, 41, 57] Operation: 91-34=57 Exploring Operation: 91-38=53, Resulting Numbers: [34, 41, 53] Generated Node #0,1: 19:[34, 41, 53] Operation: 91-38=53 Exploring Operation: 41-34=7, Resulting Numbers: [38, 91, 7] Generated Node #0,2: 19:[38, 91, 7] Operation: 41-34=7 Exploring Operation: 91-41=50, Resulting Numbers: [38, 34, 50] Generated Node #0,3: 19:[38, 34, 50] Operation: 91-41=50 Exploring Operation: 41-38=3, Resulting Numbers: [91, 34, 3] Generated Node #0,4: 19:[91, 34, 3] Operation: 41-38=3 Moving to Node #0,3 Current State: 19:[38, 34, 50], Operations: ['91-41=50'] Exploring Operation: 38+50=88, Resulting Numbers: [34, 88] Generated Node #0,3,0: 19:[34, 88] Operation: 38+50=88 Exploring Operation: 50-34=16, Resulting Numbers: [38, 16] Generated Node #0,3,1: 19:[38, 16] Operation: 50-34=16 Exploring Operation: 50-38=12, Resulting Numbers: [34, 12] Generated Node #0,3,2: 19:[34, 12] Operation: 50-38=12 Exploring Operation: 38-34=4, Resulting Numbers: [50, 4] Generated Node #0,3,3: 19:[50, 4] Operation: 38-34=4 Exploring Operation: 38+34=72, Resulting Numbers: [50, 72] Generated Node #0,3,4: 19:[50, 72] Operation: 38+34=72 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 19:[38, 16], Operations: ['91-41=50', '50-34=16'] Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 38*16=608, Resulting Numbers: [608] 608,19 unequal: No Solution Exploring Operation: 38+16=54, Resulting Numbers: [54] 54,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 19:[34, 12], Operations: ['91-41=50', '50-38=12'] Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 34+12=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 34*12=408, Resulting Numbers: [408] 408,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 19:[50, 4], Operations: ['91-41=50', '38-34=4'] Exploring Operation: 50+4=54, Resulting Numbers: [54] 54,19 unequal: No Solution Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 50*4=200, Resulting Numbers: [200] 200,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 19:[34, 88], Operations: ['91-41=50', '38+50=88'] Exploring Operation: 88-34=54, Resulting Numbers: [54] 54,19 unequal: No Solution Exploring Operation: 34+88=122, Resulting Numbers: [122] 122,19 unequal: No Solution Exploring Operation: 34*88=2992, Resulting Numbers: [2992] 2992,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 19:[50, 72], Operations: ['91-41=50', '38+34=72'] Exploring Operation: 72-50=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 50+72=122, Resulting Numbers: [122] 122,19 unequal: No Solution Exploring Operation: 50*72=3600, Resulting Numbers: [3600] 3600,19 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:[34, 41, 53], Operations: ['91-38=53'] Exploring Operation: 34+53=87, Resulting Numbers: [41, 87] Generated Node #0,1,0: 19:[41, 87] Operation: 34+53=87 Exploring Operation: 41-34=7, Resulting Numbers: [53, 7] Generated Node #0,1,1: 19:[53, 7] Operation: 41-34=7 Exploring Operation: 53-41=12, Resulting Numbers: [34, 12] Generated Node #0,1,2: 19:[34, 12] Operation: 53-41=12 Exploring Operation: 34+41=75, Resulting Numbers: [53, 75] Generated Node #0,1,3: 19:[53, 75] Operation: 34+41=75 Exploring Operation: 53-34=19, Resulting Numbers: [41, 19] Generated Node #0,1,4: 19:[41, 19] Operation: 53-34=19 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 19:[34, 12], Operations: ['91-38=53', '53-41=12'] Exploring Operation: 34*12=408, Resulting Numbers: [408] 408,19 unequal: No Solution Exploring Operation: 34-12=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 34+12=46, Resulting Numbers: [46] 46,19 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 #0,1,4 Current State: 19:[41, 19], Operations: ['91-38=53', '53-34=19'] Exploring Operation: 41-19=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 41+19=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 41*19=779, Resulting Numbers: [779] 779,19 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:[53, 7], Operations: ['91-38=53', '41-34=7'] Exploring Operation: 53+7=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,19 unequal: No Solution Exploring Operation: 53*7=371, Resulting Numbers: [371] 371,19 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 #0,1,0 Current State: 19:[41, 87], Operations: ['91-38=53', '34+53=87'] Exploring Operation: 41*87=3567, Resulting Numbers: [3567] 3567,19 unequal: No Solution Exploring Operation: 41+87=128, Resulting Numbers: [128] 128,19 unequal: No Solution Exploring Operation: 87-41=46, Resulting Numbers: [46] 46,19 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 #0,1,3 Current State: 19:[53, 75], Operations: ['91-38=53', '34+41=75'] Exploring Operation: 75-53=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 53*75=3975, Resulting Numbers: [3975] 3975,19 unequal: No Solution Exploring Operation: 53+75=128, Resulting Numbers: [128] 128,19 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: 19:[38, 41, 57], Operations: ['91-34=57'] Exploring Operation: 41-38=3, Resulting Numbers: [57, 3] Generated Node #0,0,0: 19:[57, 3] Operation: 41-38=3 Exploring Operation: 38+41=79, Resulting Numbers: [57, 79] Generated Node #0,0,1: 19:[57, 79] Operation: 38+41=79 Exploring Operation: 38+57=95, Resulting Numbers: [41, 95] Generated Node #0,0,2: 19:[41, 95] Operation: 38+57=95 Exploring Operation: 57-41=16, Resulting Numbers: [38, 16] Generated Node #0,0,3: 19:[38, 16] Operation: 57-41=16 Exploring Operation: 57-38=19, Resulting Numbers: [41, 19] Generated Node #0,0,4: 19:[41, 19] Operation: 57-38=19 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 19:[38, 16], Operations: ['91-34=57', '57-41=16'] Exploring Operation: 38*16=608, Resulting Numbers: [608] 608,19 unequal: No Solution Exploring Operation: 38+16=54, Resulting Numbers: [54] 54,19 unequal: No Solution Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,19 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 #0,0,4 Current State: 19:[41, 19], Operations: ['91-34=57', '57-38=19'] Exploring Operation: 41*19=779, Resulting Numbers: [779] 779,19 unequal: No Solution Exploring Operation: 41+19=60, Resulting Numbers: [60] 60,19 unequal: No Solution Exploring Operation: 41-19=22, Resulting Numbers: [22] 22,19 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:[57, 3], Operations: ['91-34=57', '41-38=3'] Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[38, 91, 34, 41], Operations: [] Exploring Operation: 91-34=57, Resulting Numbers: [38, 41, 57] Generated Node #0,0: 19:[38, 41, 57] Operation: 91-34=57 Moving to Node #0,0 Current State: 19:[38, 41, 57], Operations: ['91-34=57'] Exploring Operation: 41-38=3, Resulting Numbers: [57, 3] Generated Node #0,0,0: 19:[57, 3] Operation: 41-38=3 Moving to Node #0,0,0 Current State: 19:[57, 3], Operations: ['91-34=57', '41-38=3'] Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.947049
hs_5
sum_heuristic
[ 76, 78, 87, 43 ]
11
[ "87-76=11", "78+43=121", "121/11=11" ]
Current State: 11:[76, 78, 87, 43], Operations: [] Exploring Operation: 87-76=11, Resulting Numbers: [78, 43, 11] Generated Node #2: [78, 43, 11] from Operation: 87-76=11 Current State: 11:[78, 43, 11], Operations: ['87-76=11'] Exploring Operation: 78+43=121, Resulting Numbers: [11, 121] Generated Node #3: [11, 121] from Operation: 78+43=121 Current State: 11:[11, 121], Operations: ['87-76=11', '78+43=121'] Exploring Operation: 121/11=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[76, 78, 87, 43], Operations: [] Exploring Operation: 87-78=9, Resulting Numbers: [76, 43, 9] Generated Node #0,0: 11:[76, 43, 9] Operation: 87-78=9 Exploring Operation: 87-76=11, Resulting Numbers: [78, 43, 11] Generated Node #0,1: 11:[78, 43, 11] Operation: 87-76=11 Moving to Node #0,0 Current State: 11:[76, 43, 9], Operations: ['87-78=9'] Exploring Operation: 76-9=67, Resulting Numbers: [43, 67] Generated Node #0,0,0: 11:[43, 67] Operation: 76-9=67 Exploring Operation: 76-43=33, Resulting Numbers: [9, 33] Generated Node #0,0,1: 11:[9, 33] Operation: 76-43=33 Moving to Node #0,1 Current State: 11:[78, 43, 11], Operations: ['87-76=11'] Exploring Operation: 78-11=67, Resulting Numbers: [43, 67] Generated Node #0,1,0: 11:[43, 67] Operation: 78-11=67 Exploring Operation: 78-43=35, Resulting Numbers: [11, 35] Generated Node #0,1,1: 11:[11, 35] Operation: 78-43=35 Moving to Node #0,0,1 Current State: 11:[9, 33], Operations: ['87-78=9', '76-43=33'] Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,11 unequal: No Solution Exploring Operation: 9+33=42, Resulting Numbers: [42] 42,11 unequal: No Solution Moving to Node #0,1,1 Current State: 11:[11, 35], Operations: ['87-76=11', '78-43=35'] Exploring Operation: 35-11=24, Resulting Numbers: [24] 24,11 unequal: No Solution Exploring Operation: 11+35=46, Resulting Numbers: [46] 46,11 unequal: No Solution Moving to Node #0,0,0 Current State: 11:[43, 67], Operations: ['87-78=9', '76-9=67'] Exploring Operation: 67-43=24, Resulting Numbers: [24] 24,11 unequal: No Solution Exploring Operation: 43+67=110, Resulting Numbers: [110] 110,11 unequal: No Solution Moving to Node #0,1,0 Current State: 11:[43, 67], Operations: ['87-76=11', '78-11=67'] Exploring Operation: 43+67=110, Resulting Numbers: [110] 110,11 unequal: No Solution Exploring Operation: 67-43=24, Resulting Numbers: [24] 24,11 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 62, 6, 98, 52 ]
96
[ "98-62=36", "52-36=16", "6*16=96" ]
Current State: 96:[62, 6, 98, 52], Operations: [] Exploring Operation: 98-62=36, Resulting Numbers: [6, 52, 36] Generated Node #2: [6, 52, 36] from Operation: 98-62=36 Current State: 96:[6, 52, 36], Operations: ['98-62=36'] Exploring Operation: 52-36=16, Resulting Numbers: [6, 16] Generated Node #3: [6, 16] from Operation: 52-36=16 Current State: 96:[6, 16], Operations: ['98-62=36', '52-36=16'] Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[62, 6, 98, 52], Operations: [] Exploring Operation: 98-62=36, Resulting Numbers: [6, 52, 36] Generated Node #0,0: 96:[6, 52, 36] Operation: 98-62=36 Exploring Operation: 62-52=10, Resulting Numbers: [6, 98, 10] Generated Node #0,1: 96:[6, 98, 10] Operation: 62-52=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[6, 98, 10], Operations: ['62-52=10'] Exploring Operation: 6+10=16, Resulting Numbers: [98, 16] Generated Node #0,1,0: 96:[98, 16] Operation: 6+10=16 Exploring Operation: 10-6=4, Resulting Numbers: [98, 4] Generated Node #0,1,1: 96:[98, 4] Operation: 10-6=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 96:[98, 16], Operations: ['62-52=10', '6+10=16'] Exploring Operation: 98+16=114, Resulting Numbers: [114] 114,96 unequal: No Solution Exploring Operation: 98-16=82, Resulting Numbers: [82] 82,96 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:[98, 4], Operations: ['62-52=10', '10-6=4'] Exploring Operation: 98-4=94, Resulting Numbers: [94] 94,96 unequal: No Solution Exploring Operation: 98+4=102, Resulting Numbers: [102] 102,96 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:[6, 52, 36], Operations: ['98-62=36'] Exploring Operation: 36/6=6, Resulting Numbers: [52, 6] Generated Node #0,0,0: 96:[52, 6] Operation: 36/6=6 Exploring Operation: 52-36=16, Resulting Numbers: [6, 16] Generated Node #0,0,1: 96:[6, 16] Operation: 52-36=16 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 96:[6, 16], Operations: ['98-62=36', '52-36=16'] Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[62, 6, 98, 52], Operations: [] Exploring Operation: 98-62=36, Resulting Numbers: [6, 52, 36] Generated Node #0,0: 96:[6, 52, 36] Operation: 98-62=36 Moving to Node #0,0 Current State: 96:[6, 52, 36], Operations: ['98-62=36'] Exploring Operation: 52-36=16, Resulting Numbers: [6, 16] Generated Node #0,0,1: 96:[6, 16] Operation: 52-36=16 Moving to Node #0,0,1 Current State: 96:[6, 16], Operations: ['98-62=36', '52-36=16'] Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 50, 21, 35, 86 ]
56
[ "50*21=1050", "1050/35=30", "86-30=56" ]
Current State: 56:[50, 21, 35, 86], Operations: [] Exploring Operation: 50*21=1050, Resulting Numbers: [35, 86, 1050] Generated Node #2: [35, 86, 1050] from Operation: 50*21=1050 Current State: 56:[35, 86, 1050], Operations: ['50*21=1050'] Exploring Operation: 1050/35=30, Resulting Numbers: [86, 30] Generated Node #3: [86, 30] from Operation: 1050/35=30 Current State: 56:[86, 30], Operations: ['50*21=1050', '1050/35=30'] Exploring Operation: 86-30=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[50, 21, 35, 86], Operations: [] Exploring Operation: 35-21=14, Resulting Numbers: [50, 86, 14] Generated Node #0,0: 56:[50, 86, 14] Operation: 35-21=14 Exploring Operation: 86-50=36, Resulting Numbers: [21, 35, 36] Generated Node #0,1: 56:[21, 35, 36] Operation: 86-50=36 Exploring Operation: 86-21=65, Resulting Numbers: [50, 35, 65] Generated Node #0,2: 56:[50, 35, 65] Operation: 86-21=65 Exploring Operation: 86-35=51, Resulting Numbers: [50, 21, 51] Generated Node #0,3: 56:[50, 21, 51] Operation: 86-35=51 Exploring Operation: 21+35=56, Resulting Numbers: [50, 86, 56] Generated Node #0,4: 56:[50, 86, 56] Operation: 21+35=56 Moving to Node #0,3 Current State: 56:[50, 21, 51], Operations: ['86-35=51'] Exploring Operation: 21+51=72, Resulting Numbers: [50, 72] Generated Node #0,3,0: 56:[50, 72] Operation: 21+51=72 Exploring Operation: 51-50=1, Resulting Numbers: [21, 1] Generated Node #0,3,1: 56:[21, 1] Operation: 51-50=1 Exploring Operation: 51-21=30, Resulting Numbers: [50, 30] Generated Node #0,3,2: 56:[50, 30] Operation: 51-21=30 Exploring Operation: 50+21=71, Resulting Numbers: [51, 71] Generated Node #0,3,3: 56:[51, 71] Operation: 50+21=71 Exploring Operation: 50-21=29, Resulting Numbers: [51, 29] Generated Node #0,3,4: 56:[51, 29] Operation: 50-21=29 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 56:[51, 29], Operations: ['86-35=51', '50-21=29'] Exploring Operation: 51-29=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 51+29=80, Resulting Numbers: [80] 80,56 unequal: No Solution Exploring Operation: 51*29=1479, Resulting Numbers: [1479] 1479,56 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 #0,3,1 Current State: 56:[21, 1], Operations: ['86-35=51', '51-50=1'] Exploring Operation: 21*1=21, Resulting Numbers: [21] 21,56 unequal: No Solution Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 21/1=21, Resulting Numbers: [21] 21,56 unequal: No Solution Exploring Operation: 21+1=22, Resulting Numbers: [22] 22,56 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 #0,3,2 Current State: 56:[50, 30], Operations: ['86-35=51', '51-21=30'] Exploring Operation: 50-30=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 50*30=1500, Resulting Numbers: [1500] 1500,56 unequal: No Solution Exploring Operation: 50+30=80, Resulting Numbers: [80] 80,56 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 #0,3,3 Current State: 56:[51, 71], Operations: ['86-35=51', '50+21=71'] Exploring Operation: 71-51=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 51+71=122, Resulting Numbers: [122] 122,56 unequal: No Solution Exploring Operation: 51*71=3621, Resulting Numbers: [3621] 3621,56 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 #0,3,0 Current State: 56:[50, 72], Operations: ['86-35=51', '21+51=72'] Exploring Operation: 72-50=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 50*72=3600, Resulting Numbers: [3600] 3600,56 unequal: No Solution Exploring Operation: 50+72=122, Resulting Numbers: [122] 122,56 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:[50, 35, 65], Operations: ['86-21=65'] Exploring Operation: 50-35=15, Resulting Numbers: [65, 15] Generated Node #0,2,0: 56:[65, 15] Operation: 50-35=15 Exploring Operation: 35+65=100, Resulting Numbers: [50, 100] Generated Node #0,2,1: 56:[50, 100] Operation: 35+65=100 Exploring Operation: 65-35=30, Resulting Numbers: [50, 30] Generated Node #0,2,2: 56:[50, 30] Operation: 65-35=30 Exploring Operation: 65-50=15, Resulting Numbers: [35, 15] Generated Node #0,2,3: 56:[35, 15] Operation: 65-50=15 Exploring Operation: 50+35=85, Resulting Numbers: [65, 85] Generated Node #0,2,4: 56:[65, 85] Operation: 50+35=85 Moving to Node #0,1 Current State: 56:[21, 35, 36], Operations: ['86-50=36'] Exploring Operation: 21+36=57, Resulting Numbers: [35, 57] Generated Node #0,1,0: 56:[35, 57] Operation: 21+36=57 Exploring Operation: 36-21=15, Resulting Numbers: [35, 15] Generated Node #0,1,1: 56:[35, 15] Operation: 36-21=15 Exploring Operation: 35-21=14, Resulting Numbers: [36, 14] Generated Node #0,1,2: 56:[36, 14] Operation: 35-21=14 Exploring Operation: 21+35=56, Resulting Numbers: [36, 56] Generated Node #0,1,3: 56:[36, 56] Operation: 21+35=56 Exploring Operation: 36-35=1, Resulting Numbers: [21, 1] Generated Node #0,1,4: 56:[21, 1] Operation: 36-35=1 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 56:[35, 57], Operations: ['86-50=36', '21+36=57'] Exploring Operation: 35*57=1995, Resulting Numbers: [1995] 1995,56 unequal: No Solution Exploring Operation: 57-35=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 35+57=92, Resulting Numbers: [92] 92,56 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 #0,1,1 Current State: 56:[35, 15], Operations: ['86-50=36', '36-21=15'] Exploring Operation: 35+15=50, Resulting Numbers: [50] 50,56 unequal: No Solution Exploring Operation: 35*15=525, Resulting Numbers: [525] 525,56 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,56 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:[36, 14], Operations: ['86-50=36', '35-21=14'] Exploring Operation: 36*14=504, Resulting Numbers: [504] 504,56 unequal: No Solution Exploring Operation: 36+14=50, Resulting Numbers: [50] 50,56 unequal: No Solution Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,56 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 #0,1,3 Current State: 56:[36, 56], Operations: ['86-50=36', '21+35=56'] Exploring Operation: 36*56=2016, Resulting Numbers: [2016] 2016,56 unequal: No Solution Exploring Operation: 36+56=92, Resulting Numbers: [92] 92,56 unequal: No Solution Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,56 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 #0,1,4 Current State: 56:[21, 1], Operations: ['86-50=36', '36-35=1'] Exploring Operation: 21+1=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 21/1=21, Resulting Numbers: [21] 21,56 unequal: No Solution Exploring Operation: 21*1=21, Resulting Numbers: [21] 21,56 unequal: No Solution Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,56 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:[50, 86, 14], Operations: ['35-21=14'] Exploring Operation: 50-14=36, Resulting Numbers: [86, 36] Generated Node #0,0,0: 56:[86, 36] Operation: 50-14=36 Exploring Operation: 86+14=100, Resulting Numbers: [50, 100] Generated Node #0,0,1: 56:[50, 100] Operation: 86+14=100 Exploring Operation: 50+14=64, Resulting Numbers: [86, 64] Generated Node #0,0,2: 56:[86, 64] Operation: 50+14=64 Exploring Operation: 86-50=36, Resulting Numbers: [14, 36] Generated Node #0,0,3: 56:[14, 36] Operation: 86-50=36 Exploring Operation: 86-14=72, Resulting Numbers: [50, 72] Generated Node #0,0,4: 56:[50, 72] Operation: 86-14=72 Moving to Node #0,4 Current State: 56:[50, 86, 56], Operations: ['21+35=56'] Exploring Operation: 50+86=136, Resulting Numbers: [56, 136] Generated Node #0,4,0: 56:[56, 136] Operation: 50+86=136 Exploring Operation: 56-50=6, Resulting Numbers: [86, 6] Generated Node #0,4,1: 56:[86, 6] Operation: 56-50=6 Exploring Operation: 86-56=30, Resulting Numbers: [50, 30] Generated Node #0,4,2: 56:[50, 30] Operation: 86-56=30 Exploring Operation: 86-50=36, Resulting Numbers: [56, 36] Generated Node #0,4,3: 56:[56, 36] Operation: 86-50=36 Exploring Operation: 50+56=106, Resulting Numbers: [86, 106] Generated Node #0,4,4: 56:[86, 106] Operation: 50+56=106 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 56:[50, 30], Operations: ['21+35=56', '86-56=30'] Exploring Operation: 50+30=80, Resulting Numbers: [80] 80,56 unequal: No Solution Exploring Operation: 50-30=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 50*30=1500, Resulting Numbers: [1500] 1500,56 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 #0,4,3 Current State: 56:[56, 36], Operations: ['21+35=56', '86-50=36'] Exploring Operation: 56+36=92, Resulting Numbers: [92] 92,56 unequal: No Solution Exploring Operation: 56*36=2016, Resulting Numbers: [2016] 2016,56 unequal: No Solution Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,56 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 #0,4,1 Current State: 56:[86, 6], Operations: ['21+35=56', '56-50=6'] Exploring Operation: 86+6=92, Resulting Numbers: [92] 92,56 unequal: No Solution Exploring Operation: 86*6=516, Resulting Numbers: [516] 516,56 unequal: No Solution Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,56 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 #0,4,0 Current State: 56:[56, 136], Operations: ['21+35=56', '50+86=136'] Exploring Operation: 56+136=192, Resulting Numbers: [192] 192,56 unequal: No Solution Exploring Operation: 136-56=80, Resulting Numbers: [80] 80,56 unequal: No Solution Exploring Operation: 56*136=7616, Resulting Numbers: [7616] 7616,56 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 #0,4,4 Current State: 56:[86, 106], Operations: ['21+35=56', '50+56=106'] Exploring Operation: 106-86=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 86*106=9116, Resulting Numbers: [9116] 9116,56 unequal: No Solution Exploring Operation: 86+106=192, Resulting Numbers: [192] 192,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 56:[50, 30], Operations: ['86-21=65', '65-35=30'] Exploring Operation: 50-30=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 50+30=80, Resulting Numbers: [80] 80,56 unequal: No Solution Exploring Operation: 50*30=1500, Resulting Numbers: [1500] 1500,56 unequal: No Solution Moving to Node #0,0,3 Current State: 56:[14, 36], Operations: ['35-21=14', '86-50=36'] Exploring Operation: 14*36=504, Resulting Numbers: [504] 504,56 unequal: No Solution Exploring Operation: 14+36=50, Resulting Numbers: [50] 50,56 unequal: No Solution Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,56 unequal: No Solution Moving to Node #0,2,3 Current State: 56:[35, 15], Operations: ['86-21=65', '65-50=15'] Exploring Operation: 35+15=50, Resulting Numbers: [50] 50,56 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 35*15=525, Resulting Numbers: [525] 525,56 unequal: No Solution Moving to Node #0,2,0 Current State: 56:[65, 15], Operations: ['86-21=65', '50-35=15'] Exploring Operation: 65-15=50, Resulting Numbers: [50] 50,56 unequal: No Solution Exploring Operation: 65*15=975, Resulting Numbers: [975] 975,56 unequal: No Solution Exploring Operation: 65+15=80, Resulting Numbers: [80] 80,56 unequal: No Solution Moving to Node #0,0,4 Current State: 56:[50, 72], Operations: ['35-21=14', '86-14=72'] Exploring Operation: 50+72=122, Resulting Numbers: [122] 122,56 unequal: No Solution Exploring Operation: 50*72=3600, Resulting Numbers: [3600] 3600,56 unequal: No Solution Exploring Operation: 72-50=22, Resulting Numbers: [22] 22,56 unequal: No Solution Moving to Node #0,0,2 Current State: 56:[86, 64], Operations: ['35-21=14', '50+14=64'] Exploring Operation: 86*64=5504, Resulting Numbers: [5504] 5504,56 unequal: No Solution Exploring Operation: 86+64=150, Resulting Numbers: [150] 150,56 unequal: No Solution Exploring Operation: 86-64=22, Resulting Numbers: [22] 22,56 unequal: No Solution Moving to Node #0,2,4 Current State: 56:[65, 85], Operations: ['86-21=65', '50+35=85'] Exploring Operation: 85-65=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 65+85=150, Resulting Numbers: [150] 150,56 unequal: No Solution Exploring Operation: 65*85=5525, Resulting Numbers: [5525] 5525,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[86, 36], Operations: ['35-21=14', '50-14=36'] Exploring Operation: 86-36=50, Resulting Numbers: [50] 50,56 unequal: No Solution Exploring Operation: 86+36=122, Resulting Numbers: [122] 122,56 unequal: No Solution Exploring Operation: 86*36=3096, Resulting Numbers: [3096] 3096,56 unequal: No Solution Moving to Node #0,2,1 Current State: 56:[50, 100], Operations: ['86-21=65', '35+65=100'] Exploring Operation: 50+100=150, Resulting Numbers: [150] 150,56 unequal: No Solution Exploring Operation: 50*100=5000, Resulting Numbers: [5000] 5000,56 unequal: No Solution Exploring Operation: 100/50=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 100-50=50, Resulting Numbers: [50] 50,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[50, 100], Operations: ['35-21=14', '86+14=100'] Exploring Operation: 100-50=50, Resulting Numbers: [50] 50,56 unequal: No Solution Exploring Operation: 50+100=150, Resulting Numbers: [150] 150,56 unequal: No Solution Exploring Operation: 100/50=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 50*100=5000, Resulting Numbers: [5000] 5000,56 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 77, 48, 32, 52 ]
51
[ "52-48=4", "32*4=128", "128-77=51" ]
Current State: 51:[77, 48, 32, 52], Operations: [] Exploring Operation: 52-48=4, Resulting Numbers: [77, 32, 4] Generated Node #2: [77, 32, 4] from Operation: 52-48=4 Current State: 51:[77, 32, 4], Operations: ['52-48=4'] Exploring Operation: 32*4=128, Resulting Numbers: [77, 128] Generated Node #3: [77, 128] from Operation: 32*4=128 Current State: 51:[77, 128], Operations: ['52-48=4', '32*4=128'] Exploring Operation: 128-77=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[77, 48, 32, 52], Operations: [] Exploring Operation: 77-32=45, Resulting Numbers: [48, 52, 45] Generated Node #0,0: 51:[48, 52, 45] Operation: 77-32=45 Exploring Operation: 48-32=16, Resulting Numbers: [77, 52, 16] Generated Node #0,1: 51:[77, 52, 16] Operation: 48-32=16 Exploring Operation: 77-48=29, Resulting Numbers: [32, 52, 29] Generated Node #0,2: 51:[32, 52, 29] Operation: 77-48=29 Exploring Operation: 77-52=25, Resulting Numbers: [48, 32, 25] Generated Node #0,3: 51:[48, 32, 25] Operation: 77-52=25 Moving to Node #0,0 Current State: 51:[48, 52, 45], Operations: ['77-32=45'] Exploring Operation: 48+45=93, Resulting Numbers: [52, 93] Generated Node #0,0,0: 51:[52, 93] Operation: 48+45=93 Exploring Operation: 52-45=7, Resulting Numbers: [48, 7] Generated Node #0,0,1: 51:[48, 7] Operation: 52-45=7 Exploring Operation: 48-45=3, Resulting Numbers: [52, 3] Generated Node #0,0,2: 51:[52, 3] Operation: 48-45=3 Exploring Operation: 52-48=4, Resulting Numbers: [45, 4] Generated Node #0,0,3: 51:[45, 4] Operation: 52-48=4 Moving to Node #0,3 Current State: 51:[48, 32, 25], Operations: ['77-52=25'] Exploring Operation: 32-25=7, Resulting Numbers: [48, 7] Generated Node #0,3,0: 51:[48, 7] Operation: 32-25=7 Exploring Operation: 48-25=23, Resulting Numbers: [32, 23] Generated Node #0,3,1: 51:[32, 23] Operation: 48-25=23 Exploring Operation: 32+25=57, Resulting Numbers: [48, 57] Generated Node #0,3,2: 51:[48, 57] Operation: 32+25=57 Exploring Operation: 48-32=16, Resulting Numbers: [25, 16] Generated Node #0,3,3: 51:[25, 16] Operation: 48-32=16 Moving to Node #0,2 Current State: 51:[32, 52, 29], Operations: ['77-48=29'] Exploring Operation: 52-32=20, Resulting Numbers: [29, 20] Generated Node #0,2,0: 51:[29, 20] Operation: 52-32=20 Exploring Operation: 52-29=23, Resulting Numbers: [32, 23] Generated Node #0,2,1: 51:[32, 23] Operation: 52-29=23 Exploring Operation: 32+29=61, Resulting Numbers: [52, 61] Generated Node #0,2,2: 51:[52, 61] Operation: 32+29=61 Exploring Operation: 32-29=3, Resulting Numbers: [52, 3] Generated Node #0,2,3: 51:[52, 3] Operation: 32-29=3 Moving to Node #0,1 Current State: 51:[77, 52, 16], Operations: ['48-32=16'] Exploring Operation: 52-16=36, Resulting Numbers: [77, 36] Generated Node #0,1,0: 51:[77, 36] Operation: 52-16=36 Exploring Operation: 77+16=93, Resulting Numbers: [52, 93] Generated Node #0,1,1: 51:[52, 93] Operation: 77+16=93 Exploring Operation: 77-16=61, Resulting Numbers: [52, 61] Generated Node #0,1,2: 51:[52, 61] Operation: 77-16=61 Exploring Operation: 77-52=25, Resulting Numbers: [16, 25] Generated Node #0,1,3: 51:[16, 25] Operation: 77-52=25 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 51:[16, 25], Operations: ['48-32=16', '77-52=25'] Exploring Operation: 16+25=41, Resulting Numbers: [41] 41,51 unequal: No Solution Exploring Operation: 16*25=400, Resulting Numbers: [400] 400,51 unequal: No Solution Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,51 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 #0,1,2 Current State: 51:[52, 61], Operations: ['48-32=16', '77-16=61'] Exploring Operation: 52+61=113, Resulting Numbers: [113] 113,51 unequal: No Solution Exploring Operation: 52*61=3172, Resulting Numbers: [3172] 3172,51 unequal: No Solution Exploring Operation: 61-52=9, Resulting Numbers: [9] 9,51 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 #0,1,0 Current State: 51:[77, 36], Operations: ['48-32=16', '52-16=36'] Exploring Operation: 77+36=113, Resulting Numbers: [113] 113,51 unequal: No Solution Exploring Operation: 77-36=41, Resulting Numbers: [41] 41,51 unequal: No Solution Exploring Operation: 77*36=2772, Resulting Numbers: [2772] 2772,51 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 #0,1,1 Current State: 51:[52, 93], Operations: ['48-32=16', '77+16=93'] Exploring Operation: 93-52=41, Resulting Numbers: [41] 41,51 unequal: No Solution Exploring Operation: 52+93=145, Resulting Numbers: [145] 145,51 unequal: No Solution Exploring Operation: 52*93=4836, Resulting Numbers: [4836] 4836,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 51:[52, 3], Operations: ['77-32=45', '48-45=3'] Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,51 unequal: No Solution Exploring Operation: 52*3=156, Resulting Numbers: [156] 156,51 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,51 unequal: No Solution Moving to Node #0,2,3 Current State: 51:[52, 3], Operations: ['77-48=29', '32-29=3'] Exploring Operation: 52*3=156, Resulting Numbers: [156] 156,51 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,51 unequal: No Solution Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,51 unequal: No Solution Moving to Node #0,0,3 Current State: 51:[45, 4], Operations: ['77-32=45', '52-48=4'] Exploring Operation: 45*4=180, Resulting Numbers: [180] 180,51 unequal: No Solution Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,51 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,51 unequal: No Solution Moving to Node #0,3,0 Current State: 51:[48, 7], Operations: ['77-52=25', '32-25=7'] Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,51 unequal: No Solution Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,51 unequal: No Solution Exploring Operation: 48*7=336, Resulting Numbers: [336] 336,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[48, 7], Operations: ['77-32=45', '52-45=7'] Exploring Operation: 48*7=336, Resulting Numbers: [336] 336,51 unequal: No Solution Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,51 unequal: No Solution Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,51 unequal: No Solution Moving to Node #0,3,3 Current State: 51:[25, 16], Operations: ['77-52=25', '48-32=16'] Exploring Operation: 25*16=400, Resulting Numbers: [400] 400,51 unequal: No Solution Exploring Operation: 25+16=41, Resulting Numbers: [41] 41,51 unequal: No Solution Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,51 unequal: No Solution Moving to Node #0,3,2 Current State: 51:[48, 57], Operations: ['77-52=25', '32+25=57'] Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 48*57=2736, Resulting Numbers: [2736] 2736,51 unequal: No Solution Exploring Operation: 48+57=105, Resulting Numbers: [105] 105,51 unequal: No Solution Moving to Node #0,2,2 Current State: 51:[52, 61], Operations: ['77-48=29', '32+29=61'] Exploring Operation: 52+61=113, Resulting Numbers: [113] 113,51 unequal: No Solution Exploring Operation: 52*61=3172, Resulting Numbers: [3172] 3172,51 unequal: No Solution Exploring Operation: 61-52=9, Resulting Numbers: [9] 9,51 unequal: No Solution Moving to Node #0,2,0 Current State: 51:[29, 20], Operations: ['77-48=29', '52-32=20'] Exploring Operation: 29*20=580, Resulting Numbers: [580] 580,51 unequal: No Solution Exploring Operation: 29+20=49, Resulting Numbers: [49] 49,51 unequal: No Solution Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[32, 23], Operations: ['77-48=29', '52-29=23'] Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 32*23=736, Resulting Numbers: [736] 736,51 unequal: No Solution Exploring Operation: 32+23=55, Resulting Numbers: [55] 55,51 unequal: No Solution Moving to Node #0,3,1 Current State: 51:[32, 23], Operations: ['77-52=25', '48-25=23'] Exploring Operation: 32*23=736, Resulting Numbers: [736] 736,51 unequal: No Solution Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 32+23=55, Resulting Numbers: [55] 55,51 unequal: No Solution Moving to Node #0,0,0 Current State: 51:[52, 93], Operations: ['77-32=45', '48+45=93'] Exploring Operation: 93-52=41, Resulting Numbers: [41] 41,51 unequal: No Solution Exploring Operation: 52+93=145, Resulting Numbers: [145] 145,51 unequal: No Solution Exploring Operation: 52*93=4836, Resulting Numbers: [4836] 4836,51 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 69, 80, 73, 8 ]
54
[ "80-69=11", "73-8=65", "65-11=54" ]
Current State: 54:[69, 80, 73, 8], Operations: [] Exploring Operation: 80-69=11, Resulting Numbers: [73, 8, 11] Generated Node #2: [73, 8, 11] from Operation: 80-69=11 Current State: 54:[73, 8, 11], Operations: ['80-69=11'] Exploring Operation: 73-8=65, Resulting Numbers: [11, 65] Generated Node #3: [11, 65] from Operation: 73-8=65 Current State: 54:[11, 65], Operations: ['80-69=11', '73-8=65'] Exploring Operation: 65-11=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[69, 80, 73, 8], Operations: [] Exploring Operation: 80-69=11, Resulting Numbers: [73, 8, 11] Generated Node #0,0: 54:[73, 8, 11] Operation: 80-69=11 Exploring Operation: 80/8=10, Resulting Numbers: [69, 73, 10] Generated Node #0,1: 54:[69, 73, 10] Operation: 80/8=10 Exploring Operation: 80-73=7, Resulting Numbers: [69, 8, 7] Generated Node #0,2: 54:[69, 8, 7] Operation: 80-73=7 Exploring Operation: 73-69=4, Resulting Numbers: [80, 8, 4] Generated Node #0,3: 54:[80, 8, 4] Operation: 73-69=4 Moving to Node #0,2 Current State: 54:[69, 8, 7], Operations: ['80-73=7'] Exploring Operation: 69-8=61, Resulting Numbers: [7, 61] Generated Node #0,2,0: 54:[7, 61] Operation: 69-8=61 Exploring Operation: 8-7=1, Resulting Numbers: [69, 1] Generated Node #0,2,1: 54:[69, 1] Operation: 8-7=1 Exploring Operation: 69-7=62, Resulting Numbers: [8, 62] Generated Node #0,2,2: 54:[8, 62] Operation: 69-7=62 Exploring Operation: 8*7=56, Resulting Numbers: [69, 56] Generated Node #0,2,3: 54:[69, 56] Operation: 8*7=56 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 54:[7, 61], Operations: ['80-73=7', '69-8=61'] Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[69, 80, 73, 8], Operations: [] Exploring Operation: 80-73=7, Resulting Numbers: [69, 8, 7] Generated Node #0,2: 54:[69, 8, 7] Operation: 80-73=7 Moving to Node #0,2 Current State: 54:[69, 8, 7], Operations: ['80-73=7'] Exploring Operation: 69-8=61, Resulting Numbers: [7, 61] Generated Node #0,2,0: 54:[7, 61] Operation: 69-8=61 Moving to Node #0,2,0 Current State: 54:[7, 61], Operations: ['80-73=7', '69-8=61'] Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 61, 19, 96, 84 ]
24
[ "61+19=80", "84-80=4", "96/4=24" ]
Current State: 24:[61, 19, 96, 84], Operations: [] Exploring Operation: 61+19=80, Resulting Numbers: [96, 84, 80] Generated Node #2: [96, 84, 80] from Operation: 61+19=80 Current State: 24:[96, 84, 80], Operations: ['61+19=80'] Exploring Operation: 84-80=4, Resulting Numbers: [96, 4] Generated Node #3: [96, 4] from Operation: 84-80=4 Current State: 24:[96, 4], Operations: ['61+19=80', '84-80=4'] Exploring Operation: 96/4=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[61, 19, 96, 84], Operations: [] Exploring Operation: 96-84=12, Resulting Numbers: [61, 19, 12] Generated Node #0,0: 24:[61, 19, 12] Operation: 96-84=12 Moving to Node #0,0 Current State: 24:[61, 19, 12], Operations: ['96-84=12'] Exploring Operation: 61-19=42, Resulting Numbers: [12, 42] Generated Node #0,0,0: 24:[12, 42] Operation: 61-19=42 Moving to Node #0,0,0 Current State: 24:[12, 42], Operations: ['96-84=12', '61-19=42'] Exploring Operation: 42-12=30, Resulting Numbers: [30] 30,24 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 33, 6, 44, 33 ]
44
[ "33-33=0", "6*0=0", "44+0=44" ]
Current State: 44:[33, 6, 44, 33], Operations: [] Exploring Operation: 33-33=0, Resulting Numbers: [6, 44, 0] Generated Node #2: [6, 44, 0] from Operation: 33-33=0 Current State: 44:[6, 44, 0], Operations: ['33-33=0'] Exploring Operation: 6*0=0, Resulting Numbers: [44, 0] Generated Node #3: [44, 0] from Operation: 6*0=0 Current State: 44:[44, 0], Operations: ['33-33=0', '6*0=0'] Exploring Operation: 44+0=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[33, 6, 44, 33], Operations: [] Exploring Operation: 44-33=11, Resulting Numbers: [33, 6, 11] Generated Node #0,0: 44:[33, 6, 11] Operation: 44-33=11 Exploring Operation: 33/33=1, Resulting Numbers: [6, 44, 1] Generated Node #0,1: 44:[6, 44, 1] Operation: 33/33=1 Exploring Operation: 33-33=0, Resulting Numbers: [6, 44, 0] Generated Node #0,2: 44:[6, 44, 0] Operation: 33-33=0 Exploring Operation: 44-33=11, Resulting Numbers: [6, 33, 11] Generated Node #0,3: 44:[6, 33, 11] Operation: 44-33=11 Moving to Node #0,1 Current State: 44:[6, 44, 1], Operations: ['33/33=1'] Exploring Operation: 44*1=44, Resulting Numbers: [6, 44] Generated Node #0,1,0: 44:[6, 44] Operation: 44*1=44 Exploring Operation: 6-1=5, Resulting Numbers: [44, 5] Generated Node #0,1,1: 44:[44, 5] Operation: 6-1=5 Exploring Operation: 6*1=6, Resulting Numbers: [44, 6] Generated Node #0,1,2: 44:[44, 6] Operation: 6*1=6 Exploring Operation: 6/1=6, Resulting Numbers: [44, 6] Generated Node #0,1,3: 44:[44, 6] Operation: 6/1=6 Moving to Node #0,2 Current State: 44:[6, 44, 0], Operations: ['33-33=0'] Exploring Operation: 6*0=0, Resulting Numbers: [44, 0] Generated Node #0,2,0: 44:[44, 0] Operation: 6*0=0 Exploring Operation: 44+0=44, Resulting Numbers: [6, 44] Generated Node #0,2,1: 44:[6, 44] Operation: 44+0=44 Exploring Operation: 6+0=6, Resulting Numbers: [44, 6] Generated Node #0,2,2: 44:[44, 6] Operation: 6+0=6 Exploring Operation: 6-0=6, Resulting Numbers: [44, 6] Generated Node #0,2,3: 44:[44, 6] Operation: 6-0=6 Moving to Node #0,3 Current State: 44:[6, 33, 11], Operations: ['44-33=11'] Exploring Operation: 33+11=44, Resulting Numbers: [6, 44] Generated Node #0,3,0: 44:[6, 44] Operation: 33+11=44 Exploring Operation: 33-11=22, Resulting Numbers: [6, 22] Generated Node #0,3,1: 44:[6, 22] Operation: 33-11=22 Exploring Operation: 33/11=3, Resulting Numbers: [6, 3] Generated Node #0,3,2: 44:[6, 3] Operation: 33/11=3 Exploring Operation: 6+33=39, Resulting Numbers: [11, 39] Generated Node #0,3,3: 44:[11, 39] Operation: 6+33=39 Moving to Node #0,0 Current State: 44:[33, 6, 11], Operations: ['44-33=11'] Exploring Operation: 33+11=44, Resulting Numbers: [6, 44] Generated Node #0,0,0: 44:[6, 44] Operation: 33+11=44 Exploring Operation: 33-11=22, Resulting Numbers: [6, 22] Generated Node #0,0,1: 44:[6, 22] Operation: 33-11=22 Exploring Operation: 33+6=39, Resulting Numbers: [11, 39] Generated Node #0,0,2: 44:[11, 39] Operation: 33+6=39 Exploring Operation: 33/11=3, Resulting Numbers: [6, 3] Generated Node #0,0,3: 44:[6, 3] Operation: 33/11=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[6, 44], Operations: ['44-33=11', '33+11=44'] Exploring Operation: 6+44=50, Resulting Numbers: [50] 50,44 unequal: No Solution Exploring Operation: 6*44=264, Resulting Numbers: [264] 264,44 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 44:[6, 22], Operations: ['44-33=11', '33-11=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,44 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 44:[6, 3], Operations: ['44-33=11', '33/11=3'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,44 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,44 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 44:[11, 39], Operations: ['44-33=11', '33+6=39'] Exploring Operation: 11+39=50, Resulting Numbers: [50] 50,44 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,44 unequal: No Solution Exploring Operation: 11*39=429, Resulting Numbers: [429] 429,44 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: 44:[44, 5], Operations: ['33/33=1', '6-1=5'] Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,44 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,44 unequal: No Solution Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[44, 6], Operations: ['33/33=1', '6*1=6'] Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,44 unequal: No Solution Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,44 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,44 unequal: No Solution Moving to Node #0,2,2 Current State: 44:[44, 6], Operations: ['33-33=0', '6+0=6'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,44 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,44 unequal: No Solution Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,44 unequal: No Solution Moving to Node #0,2,1 Current State: 44:[6, 44], Operations: ['33-33=0', '44+0=44'] Exploring Operation: 6*44=264, Resulting Numbers: [264] 264,44 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,44 unequal: No Solution Exploring Operation: 6+44=50, Resulting Numbers: [50] 50,44 unequal: No Solution Moving to Node #0,3,1 Current State: 44:[6, 22], Operations: ['44-33=11', '33-11=22'] Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,44 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,44 unequal: No Solution Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,44 unequal: No Solution Moving to Node #0,3,0 Current State: 44:[6, 44], Operations: ['44-33=11', '33+11=44'] Exploring Operation: 6+44=50, Resulting Numbers: [50] 50,44 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,44 unequal: No Solution Exploring Operation: 6*44=264, Resulting Numbers: [264] 264,44 unequal: No Solution Moving to Node #0,2,3 Current State: 44:[44, 6], Operations: ['33-33=0', '6-0=6'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,44 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,44 unequal: No Solution Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[6, 44], Operations: ['33/33=1', '44*1=44'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,44 unequal: No Solution Exploring Operation: 6*44=264, Resulting Numbers: [264] 264,44 unequal: No Solution Exploring Operation: 6+44=50, Resulting Numbers: [50] 50,44 unequal: No Solution Moving to Node #0,2,0 Current State: 44:[44, 0], Operations: ['33-33=0', '6*0=0'] Exploring Operation: 44-0=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[33, 6, 44, 33], Operations: [] Exploring Operation: 33-33=0, Resulting Numbers: [6, 44, 0] Generated Node #0,2: 44:[6, 44, 0] Operation: 33-33=0 Moving to Node #0,2 Current State: 44:[6, 44, 0], Operations: ['33-33=0'] Exploring Operation: 6*0=0, Resulting Numbers: [44, 0] Generated Node #0,2,0: 44:[44, 0] Operation: 6*0=0 Moving to Node #0,2,0 Current State: 44:[44, 0], Operations: ['33-33=0', '6*0=0'] Exploring Operation: 44-0=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
0.946181
hs_4
sum_heuristic
[ 61, 69, 57, 22 ]
71
[ "69-61=8", "57+22=79", "79-8=71" ]
Current State: 71:[61, 69, 57, 22], Operations: [] Exploring Operation: 69-61=8, Resulting Numbers: [57, 22, 8] Generated Node #2: [57, 22, 8] from Operation: 69-61=8 Current State: 71:[57, 22, 8], Operations: ['69-61=8'] Exploring Operation: 57+22=79, Resulting Numbers: [8, 79] Generated Node #3: [8, 79] from Operation: 57+22=79 Current State: 71:[8, 79], Operations: ['69-61=8', '57+22=79'] Exploring Operation: 79-8=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[61, 69, 57, 22], Operations: [] Exploring Operation: 57+22=79, Resulting Numbers: [61, 69, 79] Generated Node #0,0: 71:[61, 69, 79] Operation: 57+22=79 Exploring Operation: 69+22=91, Resulting Numbers: [61, 57, 91] Generated Node #0,1: 71:[61, 57, 91] Operation: 69+22=91 Exploring Operation: 61+22=83, Resulting Numbers: [69, 57, 83] Generated Node #0,2: 71:[69, 57, 83] Operation: 61+22=83 Moving to Node #0,0 Current State: 71:[61, 69, 79], Operations: ['57+22=79'] Exploring Operation: 79-61=18, Resulting Numbers: [69, 18] Generated Node #0,0,0: 71:[69, 18] Operation: 79-61=18 Exploring Operation: 61+69=130, Resulting Numbers: [79, 130] Generated Node #0,0,1: 71:[79, 130] Operation: 61+69=130 Exploring Operation: 69-61=8, Resulting Numbers: [79, 8] Generated Node #0,0,2: 71:[79, 8] Operation: 69-61=8 Moving to Node #0,2 Current State: 71:[69, 57, 83], Operations: ['61+22=83'] Exploring Operation: 83-57=26, Resulting Numbers: [69, 26] Generated Node #0,2,0: 71:[69, 26] Operation: 83-57=26 Exploring Operation: 69-57=12, Resulting Numbers: [83, 12] Generated Node #0,2,1: 71:[83, 12] Operation: 69-57=12 Exploring Operation: 69+57=126, Resulting Numbers: [83, 126] Generated Node #0,2,2: 71:[83, 126] Operation: 69+57=126 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 71:[69, 26], Operations: ['61+22=83', '83-57=26'] Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,71 unequal: No Solution Exploring Operation: 69*26=1794, Resulting Numbers: [1794] 1794,71 unequal: No Solution Exploring Operation: 69+26=95, Resulting Numbers: [95] 95,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 71:[83, 126], Operations: ['61+22=83', '69+57=126'] Exploring Operation: 126-83=43, Resulting Numbers: [43] 43,71 unequal: No Solution Exploring Operation: 83*126=10458, Resulting Numbers: [10458] 10458,71 unequal: No Solution Exploring Operation: 83+126=209, Resulting Numbers: [209] 209,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 71:[83, 12], Operations: ['61+22=83', '69-57=12'] Exploring Operation: 83-12=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[61, 69, 57, 22], Operations: [] Exploring Operation: 61+22=83, Resulting Numbers: [69, 57, 83] Generated Node #0,2: 71:[69, 57, 83] Operation: 61+22=83 Moving to Node #0,2 Current State: 71:[69, 57, 83], Operations: ['61+22=83'] Exploring Operation: 69-57=12, Resulting Numbers: [83, 12] Generated Node #0,2,1: 71:[83, 12] Operation: 69-57=12 Moving to Node #0,2,1 Current State: 71:[83, 12], Operations: ['61+22=83', '69-57=12'] Exploring Operation: 83-12=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_3
sum_heuristic
[ 33, 88, 87, 81 ]
49
[ "88-33=55", "87-81=6", "55-6=49" ]
Current State: 49:[33, 88, 87, 81], Operations: [] Exploring Operation: 88-33=55, Resulting Numbers: [87, 81, 55] Generated Node #2: [87, 81, 55] from Operation: 88-33=55 Current State: 49:[87, 81, 55], Operations: ['88-33=55'] Exploring Operation: 87-81=6, Resulting Numbers: [55, 6] Generated Node #3: [55, 6] from Operation: 87-81=6 Current State: 49:[55, 6], Operations: ['88-33=55', '87-81=6'] Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[33, 88, 87, 81], Operations: [] Exploring Operation: 88-87=1, Resulting Numbers: [33, 81, 1] Generated Node #0,0: 49:[33, 81, 1] Operation: 88-87=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[33, 81, 1], Operations: ['88-87=1'] Exploring Operation: 81-33=48, Resulting Numbers: [1, 48] Generated Node #0,0,0: 49:[1, 48] Operation: 81-33=48 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 49:[1, 48], Operations: ['88-87=1', '81-33=48'] Exploring Operation: 1+48=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[33, 88, 87, 81], Operations: [] Exploring Operation: 88-87=1, Resulting Numbers: [33, 81, 1] Generated Node #0,0: 49:[33, 81, 1] Operation: 88-87=1 Moving to Node #0,0 Current State: 49:[33, 81, 1], Operations: ['88-87=1'] Exploring Operation: 81-33=48, Resulting Numbers: [1, 48] Generated Node #0,0,0: 49:[1, 48] Operation: 81-33=48 Moving to Node #0,0,0 Current State: 49:[1, 48], Operations: ['88-87=1', '81-33=48'] Exploring Operation: 1+48=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 37, 3, 24, 13 ]
42
[ "37+13=50", "24/3=8", "50-8=42" ]
Current State: 42:[37, 3, 24, 13], Operations: [] Exploring Operation: 37+13=50, Resulting Numbers: [3, 24, 50] Generated Node #2: [3, 24, 50] from Operation: 37+13=50 Current State: 42:[3, 24, 50], Operations: ['37+13=50'] Exploring Operation: 24/3=8, Resulting Numbers: [50, 8] Generated Node #3: [50, 8] from Operation: 24/3=8 Current State: 42:[50, 8], Operations: ['37+13=50', '24/3=8'] Exploring Operation: 50-8=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[37, 3, 24, 13], Operations: [] Exploring Operation: 37+3=40, Resulting Numbers: [24, 13, 40] Generated Node #0,0: 42:[24, 13, 40] Operation: 37+3=40 Exploring Operation: 37-24=13, Resulting Numbers: [3, 13, 13] Generated Node #0,1: 42:[3, 13, 13] Operation: 37-24=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[3, 13, 13], Operations: ['37-24=13'] Exploring Operation: 13-13=0, Resulting Numbers: [3, 0] Generated Node #0,1,0: 42:[3, 0] Operation: 13-13=0 Exploring Operation: 13/13=1, Resulting Numbers: [3, 1] Generated Node #0,1,1: 42:[3, 1] Operation: 13/13=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 42:[3, 1], Operations: ['37-24=13', '13/13=1'] Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 42:[3, 0], Operations: ['37-24=13', '13-13=0'] Exploring Operation: 3-0=3, Resulting Numbers: [3] 3,42 unequal: No Solution Exploring Operation: 3+0=3, Resulting Numbers: [3] 3,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[24, 13, 40], Operations: ['37+3=40'] Exploring Operation: 24-13=11, Resulting Numbers: [40, 11] Generated Node #0,0,0: 42:[40, 11] Operation: 24-13=11 Exploring Operation: 40-24=16, Resulting Numbers: [13, 16] Generated Node #0,0,1: 42:[13, 16] Operation: 40-24=16 Moving to Node #0,0,1 Current State: 42:[13, 16], Operations: ['37+3=40', '40-24=16'] Exploring Operation: 13+16=29, Resulting Numbers: [29] 29,42 unequal: No Solution Exploring Operation: 16-13=3, Resulting Numbers: [3] 3,42 unequal: No Solution Moving to Node #0,0,0 Current State: 42:[40, 11], Operations: ['37+3=40', '24-13=11'] Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,42 unequal: No Solution Exploring Operation: 40+11=51, Resulting Numbers: [51] 51,42 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
[ 64, 77, 28, 66 ]
42
[ "64-28=36", "77*36=2772", "2772/66=42" ]
Current State: 42:[64, 77, 28, 66], Operations: [] Exploring Operation: 64-28=36, Resulting Numbers: [77, 66, 36] Generated Node #2: [77, 66, 36] from Operation: 64-28=36 Current State: 42:[77, 66, 36], Operations: ['64-28=36'] Exploring Operation: 77*36=2772, Resulting Numbers: [66, 2772] Generated Node #3: [66, 2772] from Operation: 77*36=2772 Current State: 42:[66, 2772], Operations: ['64-28=36', '77*36=2772'] Exploring Operation: 2772/66=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[64, 77, 28, 66], Operations: [] Exploring Operation: 77-66=11, Resulting Numbers: [64, 28, 11] Generated Node #0,0: 42:[64, 28, 11] Operation: 77-66=11 Exploring Operation: 77-64=13, Resulting Numbers: [28, 66, 13] Generated Node #0,1: 42:[28, 66, 13] Operation: 77-64=13 Exploring Operation: 77-28=49, Resulting Numbers: [64, 66, 49] Generated Node #0,2: 42:[64, 66, 49] Operation: 77-28=49 Exploring Operation: 66-28=38, Resulting Numbers: [64, 77, 38] Generated Node #0,3: 42:[64, 77, 38] Operation: 66-28=38 Exploring Operation: 66-64=2, Resulting Numbers: [77, 28, 2] Generated Node #0,4: 42:[77, 28, 2] Operation: 66-64=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[64, 28, 11], Operations: ['77-66=11'] Exploring Operation: 64+11=75, Resulting Numbers: [28, 75] Generated Node #0,0,0: 42:[28, 75] Operation: 64+11=75 Exploring Operation: 64-11=53, Resulting Numbers: [28, 53] Generated Node #0,0,1: 42:[28, 53] Operation: 64-11=53 Exploring Operation: 28-11=17, Resulting Numbers: [64, 17] Generated Node #0,0,2: 42:[64, 17] Operation: 28-11=17 Exploring Operation: 64-28=36, Resulting Numbers: [11, 36] Generated Node #0,0,3: 42:[11, 36] Operation: 64-28=36 Exploring Operation: 28+11=39, Resulting Numbers: [64, 39] Generated Node #0,0,4: 42:[64, 39] Operation: 28+11=39 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 42:[11, 36], Operations: ['77-66=11', '64-28=36'] Exploring Operation: 11*36=396, Resulting Numbers: [396] 396,42 unequal: No Solution Exploring Operation: 11+36=47, Resulting Numbers: [47] 47,42 unequal: No Solution Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 42:[28, 53], Operations: ['77-66=11', '64-11=53'] Exploring Operation: 28+53=81, Resulting Numbers: [81] 81,42 unequal: No Solution Exploring Operation: 28*53=1484, Resulting Numbers: [1484] 1484,42 unequal: No Solution Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 42:[64, 17], Operations: ['77-66=11', '28-11=17'] Exploring Operation: 64+17=81, Resulting Numbers: [81] 81,42 unequal: No Solution Exploring Operation: 64*17=1088, Resulting Numbers: [1088] 1088,42 unequal: No Solution Exploring Operation: 64-17=47, Resulting Numbers: [47] 47,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 42:[64, 39], Operations: ['77-66=11', '28+11=39'] Exploring Operation: 64*39=2496, Resulting Numbers: [2496] 2496,42 unequal: No Solution Exploring Operation: 64-39=25, Resulting Numbers: [25] 25,42 unequal: No Solution Exploring Operation: 64+39=103, Resulting Numbers: [103] 103,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[28, 75], Operations: ['77-66=11', '64+11=75'] Exploring Operation: 28*75=2100, Resulting Numbers: [2100] 2100,42 unequal: No Solution Exploring Operation: 75-28=47, Resulting Numbers: [47] 47,42 unequal: No Solution Exploring Operation: 28+75=103, Resulting Numbers: [103] 103,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[28, 66, 13], Operations: ['77-64=13'] Exploring Operation: 28+13=41, Resulting Numbers: [66, 41] Generated Node #0,1,0: 42:[66, 41] Operation: 28+13=41 Exploring Operation: 28-13=15, Resulting Numbers: [66, 15] Generated Node #0,1,1: 42:[66, 15] Operation: 28-13=15 Exploring Operation: 66-28=38, Resulting Numbers: [13, 38] Generated Node #0,1,2: 42:[13, 38] Operation: 66-28=38 Exploring Operation: 66+13=79, Resulting Numbers: [28, 79] Generated Node #0,1,3: 42:[28, 79] Operation: 66+13=79 Exploring Operation: 66-13=53, Resulting Numbers: [28, 53] Generated Node #0,1,4: 42:[28, 53] Operation: 66-13=53 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 42:[13, 38], Operations: ['77-64=13', '66-28=38'] Exploring Operation: 13+38=51, Resulting Numbers: [51] 51,42 unequal: No Solution Exploring Operation: 13*38=494, Resulting Numbers: [494] 494,42 unequal: No Solution Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 42:[28, 53], Operations: ['77-64=13', '66-13=53'] Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,42 unequal: No Solution Exploring Operation: 28*53=1484, Resulting Numbers: [1484] 1484,42 unequal: No Solution Exploring Operation: 28+53=81, Resulting Numbers: [81] 81,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 42:[66, 41], Operations: ['77-64=13', '28+13=41'] Exploring Operation: 66*41=2706, Resulting Numbers: [2706] 2706,42 unequal: No Solution Exploring Operation: 66-41=25, Resulting Numbers: [25] 25,42 unequal: No Solution Exploring Operation: 66+41=107, Resulting Numbers: [107] 107,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 42:[66, 15], Operations: ['77-64=13', '28-13=15'] Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,42 unequal: No Solution Exploring Operation: 66*15=990, Resulting Numbers: [990] 990,42 unequal: No Solution Exploring Operation: 66+15=81, Resulting Numbers: [81] 81,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 42:[28, 79], Operations: ['77-64=13', '66+13=79'] Exploring Operation: 79-28=51, Resulting Numbers: [51] 51,42 unequal: No Solution Exploring Operation: 28*79=2212, Resulting Numbers: [2212] 2212,42 unequal: No Solution Exploring Operation: 28+79=107, Resulting Numbers: [107] 107,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 42:[77, 28, 2], Operations: ['66-64=2'] Exploring Operation: 28/2=14, Resulting Numbers: [77, 14] Generated Node #0,4,0: 42:[77, 14] Operation: 28/2=14 Exploring Operation: 77+2=79, Resulting Numbers: [28, 79] Generated Node #0,4,1: 42:[28, 79] Operation: 77+2=79 Exploring Operation: 28-2=26, Resulting Numbers: [77, 26] Generated Node #0,4,2: 42:[77, 26] Operation: 28-2=26 Exploring Operation: 77-28=49, Resulting Numbers: [2, 49] Generated Node #0,4,3: 42:[2, 49] Operation: 77-28=49 Exploring Operation: 77-2=75, Resulting Numbers: [28, 75] Generated Node #0,4,4: 42:[28, 75] Operation: 77-2=75 Moving to Node #0,4,3 Current State: 42:[2, 49], Operations: ['66-64=2', '77-28=49'] Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,42 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,42 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,42 unequal: No Solution Moving to Node #0,4,0 Current State: 42:[77, 14], Operations: ['66-64=2', '28/2=14'] Exploring Operation: 77-14=63, Resulting Numbers: [63] 63,42 unequal: No Solution Exploring Operation: 77+14=91, Resulting Numbers: [91] 91,42 unequal: No Solution Exploring Operation: 77*14=1078, Resulting Numbers: [1078] 1078,42 unequal: No Solution Moving to Node #0,4,2 Current State: 42:[77, 26], Operations: ['66-64=2', '28-2=26'] Exploring Operation: 77*26=2002, Resulting Numbers: [2002] 2002,42 unequal: No Solution Exploring Operation: 77+26=103, Resulting Numbers: [103] 103,42 unequal: No Solution Exploring Operation: 77-26=51, Resulting Numbers: [51] 51,42 unequal: No Solution Moving to Node #0,4,4 Current State: 42:[28, 75], Operations: ['66-64=2', '77-2=75'] Exploring Operation: 75-28=47, Resulting Numbers: [47] 47,42 unequal: No Solution Exploring Operation: 28+75=103, Resulting Numbers: [103] 103,42 unequal: No Solution Exploring Operation: 28*75=2100, Resulting Numbers: [2100] 2100,42 unequal: No Solution Moving to Node #0,4,1 Current State: 42:[28, 79], Operations: ['66-64=2', '77+2=79'] Exploring Operation: 79-28=51, Resulting Numbers: [51] 51,42 unequal: No Solution Exploring Operation: 28+79=107, Resulting Numbers: [107] 107,42 unequal: No Solution Exploring Operation: 28*79=2212, Resulting Numbers: [2212] 2212,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[64, 66, 49], Operations: ['77-28=49'] Exploring Operation: 66-64=2, Resulting Numbers: [49, 2] Generated Node #0,2,0: 42:[49, 2] Operation: 66-64=2 Exploring Operation: 64+66=130, Resulting Numbers: [49, 130] Generated Node #0,2,1: 42:[49, 130] Operation: 64+66=130 Exploring Operation: 66-49=17, Resulting Numbers: [64, 17] Generated Node #0,2,2: 42:[64, 17] Operation: 66-49=17 Exploring Operation: 64+49=113, Resulting Numbers: [66, 113] Generated Node #0,2,3: 42:[66, 113] Operation: 64+49=113 Exploring Operation: 64-49=15, Resulting Numbers: [66, 15] Generated Node #0,2,4: 42:[66, 15] Operation: 64-49=15 Moving to Node #0,2,0 Current State: 42:[49, 2], Operations: ['77-28=49', '66-64=2'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,42 unequal: No Solution Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,42 unequal: No Solution Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,42 unequal: No Solution Moving to Node #0,2,4 Current State: 42:[66, 15], Operations: ['77-28=49', '64-49=15'] Exploring Operation: 66+15=81, Resulting Numbers: [81] 81,42 unequal: No Solution Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,42 unequal: No Solution Exploring Operation: 66*15=990, Resulting Numbers: [990] 990,42 unequal: No Solution Moving to Node #0,2,2 Current State: 42:[64, 17], Operations: ['77-28=49', '66-49=17'] Exploring Operation: 64*17=1088, Resulting Numbers: [1088] 1088,42 unequal: No Solution Exploring Operation: 64+17=81, Resulting Numbers: [81] 81,42 unequal: No Solution Exploring Operation: 64-17=47, Resulting Numbers: [47] 47,42 unequal: No Solution Moving to Node #0,2,1 Current State: 42:[49, 130], Operations: ['77-28=49', '64+66=130'] Exploring Operation: 130-49=81, Resulting Numbers: [81] 81,42 unequal: No Solution Exploring Operation: 49*130=6370, Resulting Numbers: [6370] 6370,42 unequal: No Solution Exploring Operation: 49+130=179, Resulting Numbers: [179] 179,42 unequal: No Solution Moving to Node #0,2,3 Current State: 42:[66, 113], Operations: ['77-28=49', '64+49=113'] Exploring Operation: 113-66=47, Resulting Numbers: [47] 47,42 unequal: No Solution Exploring Operation: 66+113=179, Resulting Numbers: [179] 179,42 unequal: No Solution Exploring Operation: 66*113=7458, Resulting Numbers: [7458] 7458,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 42:[64, 77, 38], Operations: ['66-28=38'] Exploring Operation: 77+38=115, Resulting Numbers: [64, 115] Generated Node #0,3,0: 42:[64, 115] Operation: 77+38=115 Exploring Operation: 64+38=102, Resulting Numbers: [77, 102] Generated Node #0,3,1: 42:[77, 102] Operation: 64+38=102 Exploring Operation: 64-38=26, Resulting Numbers: [77, 26] Generated Node #0,3,2: 42:[77, 26] Operation: 64-38=26 Exploring Operation: 77-64=13, Resulting Numbers: [38, 13] Generated Node #0,3,3: 42:[38, 13] Operation: 77-64=13 Exploring Operation: 77-38=39, Resulting Numbers: [64, 39] Generated Node #0,3,4: 42:[64, 39] Operation: 77-38=39 Moving to Node #0,3,3 Current State: 42:[38, 13], Operations: ['66-28=38', '77-64=13'] Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,42 unequal: No Solution Exploring Operation: 38+13=51, Resulting Numbers: [51] 51,42 unequal: No Solution Exploring Operation: 38*13=494, Resulting Numbers: [494] 494,42 unequal: No Solution Moving to Node #0,3,4 Current State: 42:[64, 39], Operations: ['66-28=38', '77-38=39'] Exploring Operation: 64*39=2496, Resulting Numbers: [2496] 2496,42 unequal: No Solution Exploring Operation: 64+39=103, Resulting Numbers: [103] 103,42 unequal: No Solution Exploring Operation: 64-39=25, Resulting Numbers: [25] 25,42 unequal: No Solution Moving to Node #0,3,2 Current State: 42:[77, 26], Operations: ['66-28=38', '64-38=26'] Exploring Operation: 77+26=103, Resulting Numbers: [103] 103,42 unequal: No Solution Exploring Operation: 77-26=51, Resulting Numbers: [51] 51,42 unequal: No Solution Exploring Operation: 77*26=2002, Resulting Numbers: [2002] 2002,42 unequal: No Solution Moving to Node #0,3,0 Current State: 42:[64, 115], Operations: ['66-28=38', '77+38=115'] Exploring Operation: 115-64=51, Resulting Numbers: [51] 51,42 unequal: No Solution Exploring Operation: 64+115=179, Resulting Numbers: [179] 179,42 unequal: No Solution Exploring Operation: 64*115=7360, Resulting Numbers: [7360] 7360,42 unequal: No Solution Moving to Node #0,3,1 Current State: 42:[77, 102], Operations: ['66-28=38', '64+38=102'] Exploring Operation: 77+102=179, Resulting Numbers: [179] 179,42 unequal: No Solution Exploring Operation: 77*102=7854, Resulting Numbers: [7854] 7854,42 unequal: No Solution Exploring Operation: 102-77=25, Resulting Numbers: [25] 25,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 39, 41, 5, 58 ]
61
[ "41-39=2", "5+58=63", "63-2=61" ]
Current State: 61:[39, 41, 5, 58], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [5, 58, 2] Generated Node #2: [5, 58, 2] from Operation: 41-39=2 Current State: 61:[5, 58, 2], Operations: ['41-39=2'] Exploring Operation: 5+58=63, Resulting Numbers: [2, 63] Generated Node #3: [2, 63] from Operation: 5+58=63 Current State: 61:[2, 63], Operations: ['41-39=2', '5+58=63'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[39, 41, 5, 58], Operations: [] Exploring Operation: 39-5=34, Resulting Numbers: [41, 58, 34] Generated Node #0,0: 61:[41, 58, 34] Operation: 39-5=34 Exploring Operation: 5+58=63, Resulting Numbers: [39, 41, 63] Generated Node #0,1: 61:[39, 41, 63] Operation: 5+58=63 Exploring Operation: 39+5=44, Resulting Numbers: [41, 58, 44] Generated Node #0,2: 61:[41, 58, 44] Operation: 39+5=44 Exploring Operation: 41-5=36, Resulting Numbers: [39, 58, 36] Generated Node #0,3: 61:[39, 58, 36] Operation: 41-5=36 Exploring Operation: 41+5=46, Resulting Numbers: [39, 58, 46] Generated Node #0,4: 61:[39, 58, 46] Operation: 41+5=46 Moving to Node #0,2 Current State: 61:[41, 58, 44], Operations: ['39+5=44'] Exploring Operation: 44-41=3, Resulting Numbers: [58, 3] Generated Node #0,2,0: 61:[58, 3] Operation: 44-41=3 Exploring Operation: 41+58=99, Resulting Numbers: [44, 99] Generated Node #0,2,1: 61:[44, 99] Operation: 41+58=99 Exploring Operation: 58+44=102, Resulting Numbers: [41, 102] Generated Node #0,2,2: 61:[41, 102] Operation: 58+44=102 Exploring Operation: 41+44=85, Resulting Numbers: [58, 85] Generated Node #0,2,3: 61:[58, 85] Operation: 41+44=85 Exploring Operation: 58-41=17, Resulting Numbers: [44, 17] Generated Node #0,2,4: 61:[44, 17] Operation: 58-41=17 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 61:[58, 85], Operations: ['39+5=44', '41+44=85'] Exploring Operation: 58*85=4930, Resulting Numbers: [4930] 4930,61 unequal: No Solution Exploring Operation: 58+85=143, Resulting Numbers: [143] 143,61 unequal: No Solution Exploring Operation: 85-58=27, Resulting Numbers: [27] 27,61 unequal: No Solution No 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: 61:[44, 99], Operations: ['39+5=44', '41+58=99'] Exploring Operation: 44*99=4356, Resulting Numbers: [4356] 4356,61 unequal: No Solution Exploring Operation: 44+99=143, Resulting Numbers: [143] 143,61 unequal: No Solution Exploring Operation: 99-44=55, Resulting Numbers: [55] 55,61 unequal: No Solution No 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: 61:[58, 3], Operations: ['39+5=44', '44-41=3'] Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[39, 41, 5, 58], Operations: [] Exploring Operation: 39+5=44, Resulting Numbers: [41, 58, 44] Generated Node #0,2: 61:[41, 58, 44] Operation: 39+5=44 Moving to Node #0,2 Current State: 61:[41, 58, 44], Operations: ['39+5=44'] Exploring Operation: 44-41=3, Resulting Numbers: [58, 3] Generated Node #0,2,0: 61:[58, 3] Operation: 44-41=3 Moving to Node #0,2,0 Current State: 61:[58, 3], Operations: ['39+5=44', '44-41=3'] Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 15, 96, 6, 93 ]
87
[ "15*6=90", "96-93=3", "90-3=87" ]
Current State: 87:[15, 96, 6, 93], Operations: [] Exploring Operation: 15*6=90, Resulting Numbers: [96, 93, 90] Generated Node #2: [96, 93, 90] from Operation: 15*6=90 Current State: 87:[96, 93, 90], Operations: ['15*6=90'] Exploring Operation: 96-93=3, Resulting Numbers: [90, 3] Generated Node #3: [90, 3] from Operation: 96-93=3 Current State: 87:[90, 3], Operations: ['15*6=90', '96-93=3'] Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[15, 96, 6, 93], Operations: [] Exploring Operation: 96-15=81, Resulting Numbers: [6, 93, 81] Generated Node #0,0: 87:[6, 93, 81] Operation: 96-15=81 Exploring Operation: 96-93=3, Resulting Numbers: [15, 6, 3] Generated Node #0,1: 87:[15, 6, 3] Operation: 96-93=3 Exploring Operation: 15*6=90, Resulting Numbers: [96, 93, 90] Generated Node #0,2: 87:[96, 93, 90] Operation: 15*6=90 Moving to Node #0,0 Current State: 87:[6, 93, 81], Operations: ['96-15=81'] Exploring Operation: 6+81=87, Resulting Numbers: [93, 87] Generated Node #0,0,0: 87:[93, 87] Operation: 6+81=87 Exploring Operation: 93-81=12, Resulting Numbers: [6, 12] Generated Node #0,0,1: 87:[6, 12] Operation: 93-81=12 Exploring Operation: 93-6=87, Resulting Numbers: [81, 87] Generated Node #0,0,2: 87:[81, 87] Operation: 93-6=87 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[93, 87], Operations: ['96-15=81', '6+81=87'] Exploring Operation: 93-87=6, Resulting Numbers: [6] 6,87 unequal: No Solution Exploring Operation: 93*87=8091, Resulting Numbers: [8091] 8091,87 unequal: No Solution Exploring Operation: 93+87=180, Resulting Numbers: [180] 180,87 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 #0,0,2 Current State: 87:[81, 87], Operations: ['96-15=81', '93-6=87'] Exploring Operation: 81+87=168, Resulting Numbers: [168] 168,87 unequal: No Solution Exploring Operation: 81*87=7047, Resulting Numbers: [7047] 7047,87 unequal: No Solution Exploring Operation: 87-81=6, Resulting Numbers: [6] 6,87 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:[6, 12], Operations: ['96-15=81', '93-81=12'] Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,87 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,87 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,87 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: 87:[15, 6, 3], Operations: ['96-93=3'] Exploring Operation: 15/3=5, Resulting Numbers: [6, 5] Generated Node #0,1,0: 87:[6, 5] Operation: 15/3=5 Exploring Operation: 15*6=90, Resulting Numbers: [3, 90] Generated Node #0,1,1: 87:[3, 90] Operation: 15*6=90 Exploring Operation: 15-6=9, Resulting Numbers: [3, 9] Generated Node #0,1,2: 87:[3, 9] Operation: 15-6=9 Moving to Node #0,2 Current State: 87:[96, 93, 90], Operations: ['15*6=90'] Exploring Operation: 93-90=3, Resulting Numbers: [96, 3] Generated Node #0,2,0: 87:[96, 3] Operation: 93-90=3 Exploring Operation: 96-90=6, Resulting Numbers: [93, 6] Generated Node #0,2,1: 87:[93, 6] Operation: 96-90=6 Exploring Operation: 96-93=3, Resulting Numbers: [90, 3] Generated Node #0,2,2: 87:[90, 3] Operation: 96-93=3 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 87:[90, 3], Operations: ['15*6=90', '96-93=3'] Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,87 unequal: No Solution Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[15, 96, 6, 93], Operations: [] Exploring Operation: 15*6=90, Resulting Numbers: [96, 93, 90] Generated Node #0,2: 87:[96, 93, 90] Operation: 15*6=90 Moving to Node #0,2 Current State: 87:[96, 93, 90], Operations: ['15*6=90'] Exploring Operation: 96-93=3, Resulting Numbers: [90, 3] Generated Node #0,2,2: 87:[90, 3] Operation: 96-93=3 Moving to Node #0,2,2 Current State: 87:[90, 3], Operations: ['15*6=90', '96-93=3'] Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 84, 82, 53, 21 ]
72
[ "84-82=2", "53+21=74", "74-2=72" ]
Current State: 72:[84, 82, 53, 21], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [53, 21, 2] Generated Node #2: [53, 21, 2] from Operation: 84-82=2 Current State: 72:[53, 21, 2], Operations: ['84-82=2'] Exploring Operation: 53+21=74, Resulting Numbers: [2, 74] Generated Node #3: [2, 74] from Operation: 53+21=74 Current State: 72:[2, 74], Operations: ['84-82=2', '53+21=74'] Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[84, 82, 53, 21], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [53, 21, 2] Generated Node #0,0: 72:[53, 21, 2] Operation: 84-82=2 Exploring Operation: 82-53=29, Resulting Numbers: [84, 21, 29] Generated Node #0,1: 72:[84, 21, 29] Operation: 82-53=29 Exploring Operation: 84-53=31, Resulting Numbers: [82, 21, 31] Generated Node #0,2: 72:[82, 21, 31] Operation: 84-53=31 Exploring Operation: 53+21=74, Resulting Numbers: [84, 82, 74] Generated Node #0,3: 72:[84, 82, 74] Operation: 53+21=74 Moving to Node #0,2 Current State: 72:[82, 21, 31], Operations: ['84-53=31'] Exploring Operation: 82-21=61, Resulting Numbers: [31, 61] Generated Node #0,2,0: 72:[31, 61] Operation: 82-21=61 Exploring Operation: 21+31=52, Resulting Numbers: [82, 52] Generated Node #0,2,1: 72:[82, 52] Operation: 21+31=52 Exploring Operation: 82-31=51, Resulting Numbers: [21, 51] Generated Node #0,2,2: 72:[21, 51] Operation: 82-31=51 Exploring Operation: 31-21=10, Resulting Numbers: [82, 10] Generated Node #0,2,3: 72:[82, 10] Operation: 31-21=10 Moving to Node #0,1 Current State: 72:[84, 21, 29], Operations: ['82-53=29'] Exploring Operation: 84-29=55, Resulting Numbers: [21, 55] Generated Node #0,1,0: 72:[21, 55] Operation: 84-29=55 Exploring Operation: 29-21=8, Resulting Numbers: [84, 8] Generated Node #0,1,1: 72:[84, 8] Operation: 29-21=8 Exploring Operation: 84-21=63, Resulting Numbers: [29, 63] Generated Node #0,1,2: 72:[29, 63] Operation: 84-21=63 Exploring Operation: 84/21=4, Resulting Numbers: [29, 4] Generated Node #0,1,3: 72:[29, 4] Operation: 84/21=4 Moving to Node #0,0 Current State: 72:[53, 21, 2], Operations: ['84-82=2'] Exploring Operation: 53-2=51, Resulting Numbers: [21, 51] Generated Node #0,0,0: 72:[21, 51] Operation: 53-2=51 Exploring Operation: 21+2=23, Resulting Numbers: [53, 23] Generated Node #0,0,1: 72:[53, 23] Operation: 21+2=23 Exploring Operation: 53-21=32, Resulting Numbers: [2, 32] Generated Node #0,0,2: 72:[2, 32] Operation: 53-21=32 Exploring Operation: 53+21=74, Resulting Numbers: [2, 74] Generated Node #0,0,3: 72:[2, 74] Operation: 53+21=74 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 72:[2, 74], Operations: ['84-82=2', '53+21=74'] Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[84, 82, 53, 21], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [53, 21, 2] Generated Node #0,0: 72:[53, 21, 2] Operation: 84-82=2 Moving to Node #0,0 Current State: 72:[53, 21, 2], Operations: ['84-82=2'] Exploring Operation: 53+21=74, Resulting Numbers: [2, 74] Generated Node #0,0,3: 72:[2, 74] Operation: 53+21=74 Moving to Node #0,0,3 Current State: 72:[2, 74], Operations: ['84-82=2', '53+21=74'] Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 18, 66, 92, 69 ]
64
[ "66-18=48", "92*48=4416", "4416/69=64" ]
Current State: 64:[18, 66, 92, 69], Operations: [] Exploring Operation: 66-18=48, Resulting Numbers: [92, 69, 48] Generated Node #2: [92, 69, 48] from Operation: 66-18=48 Current State: 64:[92, 69, 48], Operations: ['66-18=48'] Exploring Operation: 92*48=4416, Resulting Numbers: [69, 4416] Generated Node #3: [69, 4416] from Operation: 92*48=4416 Current State: 64:[69, 4416], Operations: ['66-18=48', '92*48=4416'] Exploring Operation: 4416/69=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[18, 66, 92, 69], Operations: [] Exploring Operation: 92-69=23, Resulting Numbers: [18, 66, 23] Generated Node #0,0: 64:[18, 66, 23] Operation: 92-69=23 Exploring Operation: 92-18=74, Resulting Numbers: [66, 69, 74] Generated Node #0,1: 64:[66, 69, 74] Operation: 92-18=74 Exploring Operation: 92-66=26, Resulting Numbers: [18, 69, 26] Generated Node #0,2: 64:[18, 69, 26] Operation: 92-66=26 Moving to Node #0,0 Current State: 64:[18, 66, 23], Operations: ['92-69=23'] Exploring Operation: 66-23=43, Resulting Numbers: [18, 43] Generated Node #0,0,0: 64:[18, 43] Operation: 66-23=43 Exploring Operation: 18+23=41, Resulting Numbers: [66, 41] Generated Node #0,0,1: 64:[66, 41] Operation: 18+23=41 Exploring Operation: 23-18=5, Resulting Numbers: [66, 5] Generated Node #0,0,2: 64:[66, 5] Operation: 23-18=5 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 64:[66, 5], Operations: ['92-69=23', '23-18=5'] Exploring Operation: 66*5=330, Resulting Numbers: [330] 330,64 unequal: No Solution Exploring Operation: 66-5=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 66+5=71, Resulting Numbers: [71] 71,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 64:[66, 41], Operations: ['92-69=23', '18+23=41'] Exploring Operation: 66+41=107, Resulting Numbers: [107] 107,64 unequal: No Solution Exploring Operation: 66*41=2706, Resulting Numbers: [2706] 2706,64 unequal: No Solution Exploring Operation: 66-41=25, Resulting Numbers: [25] 25,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[18, 43], Operations: ['92-69=23', '66-23=43'] Exploring Operation: 18*43=774, Resulting Numbers: [774] 774,64 unequal: No Solution Exploring Operation: 18+43=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,64 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: 64:[18, 69, 26], Operations: ['92-66=26'] Exploring Operation: 26-18=8, Resulting Numbers: [69, 8] Generated Node #0,2,0: 64:[69, 8] Operation: 26-18=8 Exploring Operation: 18+26=44, Resulting Numbers: [69, 44] Generated Node #0,2,1: 64:[69, 44] Operation: 18+26=44 Exploring Operation: 69-26=43, Resulting Numbers: [18, 43] Generated Node #0,2,2: 64:[18, 43] Operation: 69-26=43 Moving to Node #0,1 Current State: 64:[66, 69, 74], Operations: ['92-18=74'] Exploring Operation: 69-66=3, Resulting Numbers: [74, 3] Generated Node #0,1,0: 64:[74, 3] Operation: 69-66=3 Exploring Operation: 74-69=5, Resulting Numbers: [66, 5] Generated Node #0,1,1: 64:[66, 5] Operation: 74-69=5 Exploring Operation: 74-66=8, Resulting Numbers: [69, 8] Generated Node #0,1,2: 64:[69, 8] Operation: 74-66=8 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 64:[66, 5], Operations: ['92-18=74', '74-69=5'] Exploring Operation: 66*5=330, Resulting Numbers: [330] 330,64 unequal: No Solution Exploring Operation: 66+5=71, Resulting Numbers: [71] 71,64 unequal: No Solution Exploring Operation: 66-5=61, Resulting Numbers: [61] 61,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 64:[69, 8], Operations: ['92-18=74', '74-66=8'] Exploring Operation: 69-8=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 69+8=77, Resulting Numbers: [77] 77,64 unequal: No Solution Exploring Operation: 69*8=552, Resulting Numbers: [552] 552,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 64:[74, 3], Operations: ['92-18=74', '69-66=3'] Exploring Operation: 74+3=77, Resulting Numbers: [77] 77,64 unequal: No Solution Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,64 unequal: No Solution Exploring Operation: 74*3=222, Resulting Numbers: [222] 222,64 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: 64:[69, 8], Operations: ['92-66=26', '26-18=8'] Exploring Operation: 69*8=552, Resulting Numbers: [552] 552,64 unequal: No Solution Exploring Operation: 69+8=77, Resulting Numbers: [77] 77,64 unequal: No Solution Exploring Operation: 69-8=61, Resulting Numbers: [61] 61,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[18, 43], Operations: ['92-66=26', '69-26=43'] Exploring Operation: 18+43=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 18*43=774, Resulting Numbers: [774] 774,64 unequal: No Solution Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,64 unequal: No Solution Moving to Node #0,2,1 Current State: 64:[69, 44], Operations: ['92-66=26', '18+26=44'] Exploring Operation: 69*44=3036, Resulting Numbers: [3036] 3036,64 unequal: No Solution Exploring Operation: 69-44=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 69+44=113, Resulting Numbers: [113] 113,64 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 28, 38, 71, 98 ]
17
[ "38-28=10", "98-71=27", "27-10=17" ]
Current State: 17:[28, 38, 71, 98], Operations: [] Exploring Operation: 38-28=10, Resulting Numbers: [71, 98, 10] Generated Node #2: [71, 98, 10] from Operation: 38-28=10 Current State: 17:[71, 98, 10], Operations: ['38-28=10'] Exploring Operation: 98-71=27, Resulting Numbers: [10, 27] Generated Node #3: [10, 27] from Operation: 98-71=27 Current State: 17:[10, 27], Operations: ['38-28=10', '98-71=27'] Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[28, 38, 71, 98], Operations: [] Exploring Operation: 98-71=27, Resulting Numbers: [28, 38, 27] Generated Node #0,0: 17:[28, 38, 27] Operation: 98-71=27 Exploring Operation: 71-38=33, Resulting Numbers: [28, 98, 33] Generated Node #0,1: 17:[28, 98, 33] Operation: 71-38=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[28, 38, 27], Operations: ['98-71=27'] Exploring Operation: 38-27=11, Resulting Numbers: [28, 11] Generated Node #0,0,0: 17:[28, 11] Operation: 38-27=11 Exploring Operation: 38-28=10, Resulting Numbers: [27, 10] Generated Node #0,0,1: 17:[27, 10] Operation: 38-28=10 Moving to Node #0,0,0 Current State: 17:[28, 11], Operations: ['98-71=27', '38-27=11'] Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[28, 38, 71, 98], Operations: [] Exploring Operation: 98-71=27, Resulting Numbers: [28, 38, 27] Generated Node #0,0: 17:[28, 38, 27] Operation: 98-71=27 Moving to Node #0,0 Current State: 17:[28, 38, 27], Operations: ['98-71=27'] Exploring Operation: 38-27=11, Resulting Numbers: [28, 11] Generated Node #0,0,0: 17:[28, 11] Operation: 38-27=11 Moving to Node #0,0,0 Current State: 17:[28, 11], Operations: ['98-71=27', '38-27=11'] Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 78, 26, 29, 56 ]
82
[ "78/26=3", "29+56=85", "85-3=82" ]
Current State: 82:[78, 26, 29, 56], Operations: [] Exploring Operation: 78/26=3, Resulting Numbers: [29, 56, 3] Generated Node #2: [29, 56, 3] from Operation: 78/26=3 Current State: 82:[29, 56, 3], Operations: ['78/26=3'] Exploring Operation: 29+56=85, Resulting Numbers: [3, 85] Generated Node #3: [3, 85] from Operation: 29+56=85 Current State: 82:[3, 85], Operations: ['78/26=3', '29+56=85'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[78, 26, 29, 56], Operations: [] Exploring Operation: 26+56=82, Resulting Numbers: [78, 29, 82] Generated Node #0,0: 82:[78, 29, 82] Operation: 26+56=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[78, 29, 82], Operations: ['26+56=82'] Exploring Operation: 78-29=49, Resulting Numbers: [82, 49] Generated Node #0,0,0: 82:[82, 49] Operation: 78-29=49 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[82, 49], Operations: ['26+56=82', '78-29=49'] Exploring Operation: 82-49=33, Resulting Numbers: [33] 33,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 57, 28, 56, 40 ]
34
[ "57-40=17", "56/28=2", "17*2=34" ]
Current State: 34:[57, 28, 56, 40], Operations: [] Exploring Operation: 57-40=17, Resulting Numbers: [28, 56, 17] Generated Node #2: [28, 56, 17] from Operation: 57-40=17 Current State: 34:[28, 56, 17], Operations: ['57-40=17'] Exploring Operation: 56/28=2, Resulting Numbers: [17, 2] Generated Node #3: [17, 2] from Operation: 56/28=2 Current State: 34:[17, 2], Operations: ['57-40=17', '56/28=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[57, 28, 56, 40], Operations: [] Exploring Operation: 57-40=17, Resulting Numbers: [28, 56, 17] Generated Node #0,0: 34:[28, 56, 17] Operation: 57-40=17 Exploring Operation: 57-56=1, Resulting Numbers: [28, 40, 1] Generated Node #0,1: 34:[28, 40, 1] Operation: 57-56=1 Exploring Operation: 56/28=2, Resulting Numbers: [57, 40, 2] Generated Node #0,2: 34:[57, 40, 2] Operation: 56/28=2 Moving to Node #0,1 Current State: 34:[28, 40, 1], Operations: ['57-56=1'] Exploring Operation: 28+1=29, Resulting Numbers: [40, 29] Generated Node #0,1,0: 34:[40, 29] Operation: 28+1=29 Exploring Operation: 40-1=39, Resulting Numbers: [28, 39] Generated Node #0,1,1: 34:[28, 39] Operation: 40-1=39 Exploring Operation: 40-28=12, Resulting Numbers: [1, 12] Generated Node #0,1,2: 34:[1, 12] Operation: 40-28=12 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 34:[1, 12], Operations: ['57-56=1', '40-28=12'] Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 1*12=12, Resulting Numbers: [12] 12,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[40, 29], Operations: ['57-56=1', '28+1=29'] Exploring Operation: 40-29=11, Resulting Numbers: [11] 11,34 unequal: No Solution Exploring Operation: 40+29=69, Resulting Numbers: [69] 69,34 unequal: No Solution Exploring Operation: 40*29=1160, Resulting Numbers: [1160] 1160,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 34:[28, 39], Operations: ['57-56=1', '40-1=39'] Exploring Operation: 28*39=1092, Resulting Numbers: [1092] 1092,34 unequal: No Solution Exploring Operation: 28+39=67, Resulting Numbers: [67] 67,34 unequal: No Solution Exploring Operation: 39-28=11, Resulting Numbers: [11] 11,34 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: 34:[28, 56, 17], Operations: ['57-40=17'] Exploring Operation: 56-17=39, Resulting Numbers: [28, 39] Generated Node #0,0,0: 34:[28, 39] Operation: 56-17=39 Exploring Operation: 56-28=28, Resulting Numbers: [17, 28] Generated Node #0,0,1: 34:[17, 28] Operation: 56-28=28 Exploring Operation: 56/28=2, Resulting Numbers: [17, 2] Generated Node #0,0,2: 34:[17, 2] Operation: 56/28=2 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 34:[17, 2], Operations: ['57-40=17', '56/28=2'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,34 unequal: No Solution Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[57, 28, 56, 40], Operations: [] Exploring Operation: 57-40=17, Resulting Numbers: [28, 56, 17] Generated Node #0,0: 34:[28, 56, 17] Operation: 57-40=17 Moving to Node #0,0 Current State: 34:[28, 56, 17], Operations: ['57-40=17'] Exploring Operation: 56/28=2, Resulting Numbers: [17, 2] Generated Node #0,0,2: 34:[17, 2] Operation: 56/28=2 Moving to Node #0,0,2 Current State: 34:[17, 2], Operations: ['57-40=17', '56/28=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
sum_heuristic
[ 8, 20, 37, 44 ]
69
[ "20-8=12", "37+44=81", "81-12=69" ]
Current State: 69:[8, 20, 37, 44], Operations: [] Exploring Operation: 20-8=12, Resulting Numbers: [37, 44, 12] Generated Node #2: [37, 44, 12] from Operation: 20-8=12 Current State: 69:[37, 44, 12], Operations: ['20-8=12'] Exploring Operation: 37+44=81, Resulting Numbers: [12, 81] Generated Node #3: [12, 81] from Operation: 37+44=81 Current State: 69:[12, 81], Operations: ['20-8=12', '37+44=81'] Exploring Operation: 81-12=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[8, 20, 37, 44], Operations: [] Exploring Operation: 44-20=24, Resulting Numbers: [8, 37, 24] Generated Node #0,0: 69:[8, 37, 24] Operation: 44-20=24 Exploring Operation: 44-37=7, Resulting Numbers: [8, 20, 7] Generated Node #0,1: 69:[8, 20, 7] Operation: 44-37=7 Moving to Node #0,1 Current State: 69:[8, 20, 7], Operations: ['44-37=7'] Exploring Operation: 8-7=1, Resulting Numbers: [20, 1] Generated Node #0,1,0: 69:[20, 1] Operation: 8-7=1 Exploring Operation: 8+20=28, Resulting Numbers: [7, 28] Generated Node #0,1,1: 69:[7, 28] Operation: 8+20=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 69:[20, 1], Operations: ['44-37=7', '8-7=1'] Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,69 unequal: No Solution Exploring Operation: 20+1=21, Resulting Numbers: [21] 21,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 69:[7, 28], Operations: ['44-37=7', '8+20=28'] Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,69 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: 69:[8, 37, 24], Operations: ['44-20=24'] Exploring Operation: 37+24=61, Resulting Numbers: [8, 61] Generated Node #0,0,0: 69:[8, 61] Operation: 37+24=61 Exploring Operation: 37-8=29, Resulting Numbers: [24, 29] Generated Node #0,0,1: 69:[24, 29] Operation: 37-8=29 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 69:[24, 29], Operations: ['44-20=24', '37-8=29'] Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,69 unequal: No Solution Exploring Operation: 24+29=53, Resulting Numbers: [53] 53,69 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:[8, 61], Operations: ['44-20=24', '37+24=61'] Exploring Operation: 8+61=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[8, 20, 37, 44], Operations: [] Exploring Operation: 44-20=24, Resulting Numbers: [8, 37, 24] Generated Node #0,0: 69:[8, 37, 24] Operation: 44-20=24 Moving to Node #0,0 Current State: 69:[8, 37, 24], Operations: ['44-20=24'] Exploring Operation: 37+24=61, Resulting Numbers: [8, 61] Generated Node #0,0,0: 69:[8, 61] Operation: 37+24=61 Moving to Node #0,0,0 Current State: 69:[8, 61], Operations: ['44-20=24', '37+24=61'] Exploring Operation: 8+61=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_2
sum_heuristic
[ 20, 41, 42, 20 ]
42
[ "41-20=21", "21-20=1", "42*1=42" ]
Current State: 42:[20, 41, 42, 20], Operations: [] Exploring Operation: 41-20=21, Resulting Numbers: [42, 21] Generated Node #2: [42, 21] from Operation: 41-20=21 Current State: 42:[42, 21], Operations: ['41-20=21'] Exploring Operation: 21-20=1, Resulting Numbers: [42, 1] Generated Node #3: [42, 1] from Operation: 21-20=1 Current State: 42:[42, 1], Operations: ['41-20=21', '21-20=1'] Exploring Operation: 42*1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[20, 41, 42, 20], Operations: [] Exploring Operation: 20+20=40, Resulting Numbers: [41, 42, 40] Generated Node #0,0: 42:[41, 42, 40] Operation: 20+20=40 Exploring Operation: 41-20=21, Resulting Numbers: [20, 42, 21] Generated Node #0,1: 42:[20, 42, 21] Operation: 41-20=21 Exploring Operation: 41-20=21, Resulting Numbers: [42, 20, 21] Generated Node #0,2: 42:[42, 20, 21] Operation: 41-20=21 Exploring Operation: 20/20=1, Resulting Numbers: [41, 42, 1] Generated Node #0,3: 42:[41, 42, 1] Operation: 20/20=1 Exploring Operation: 42-20=22, Resulting Numbers: [41, 20, 22] Generated Node #0,4: 42:[41, 20, 22] Operation: 42-20=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[20, 42, 21], Operations: ['41-20=21'] Exploring Operation: 21-20=1, Resulting Numbers: [42, 1] Generated Node #0,1,0: 42:[42, 1] Operation: 21-20=1 Exploring Operation: 42-20=22, Resulting Numbers: [21, 22] Generated Node #0,1,1: 42:[21, 22] Operation: 42-20=22 Exploring Operation: 42/21=2, Resulting Numbers: [20, 2] Generated Node #0,1,2: 42:[20, 2] Operation: 42/21=2 Exploring Operation: 20+21=41, Resulting Numbers: [42, 41] Generated Node #0,1,3: 42:[42, 41] Operation: 20+21=41 Exploring Operation: 42-21=21, Resulting Numbers: [20, 21] Generated Node #0,1,4: 42:[20, 21] Operation: 42-21=21 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 42:[42, 1], Operations: ['41-20=21', '21-20=1'] Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[20, 41, 42, 20], Operations: [] Exploring Operation: 41-20=21, Resulting Numbers: [20, 42, 21] Generated Node #0,1: 42:[20, 42, 21] Operation: 41-20=21 Moving to Node #0,1 Current State: 42:[20, 42, 21], Operations: ['41-20=21'] Exploring Operation: 21-20=1, Resulting Numbers: [42, 1] Generated Node #0,1,0: 42:[42, 1] Operation: 21-20=1 Moving to Node #0,1,0 Current State: 42:[42, 1], Operations: ['41-20=21', '21-20=1'] Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 51, 15, 4, 26 ]
36
[ "51+15=66", "4+26=30", "66-30=36" ]
Current State: 36:[51, 15, 4, 26], Operations: [] Exploring Operation: 51+15=66, Resulting Numbers: [4, 26, 66] Generated Node #2: [4, 26, 66] from Operation: 51+15=66 Current State: 36:[4, 26, 66], Operations: ['51+15=66'] Exploring Operation: 4+26=30, Resulting Numbers: [66, 30] Generated Node #3: [66, 30] from Operation: 4+26=30 Current State: 36:[66, 30], Operations: ['51+15=66', '4+26=30'] Exploring Operation: 66-30=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[51, 15, 4, 26], Operations: [] Exploring Operation: 51-4=47, Resulting Numbers: [15, 26, 47] Generated Node #0,0: 36:[15, 26, 47] Operation: 51-4=47 Exploring Operation: 26-15=11, Resulting Numbers: [51, 4, 11] Generated Node #0,1: 36:[51, 4, 11] Operation: 26-15=11 Exploring Operation: 15+26=41, Resulting Numbers: [51, 4, 41] Generated Node #0,2: 36:[51, 4, 41] Operation: 15+26=41 Exploring Operation: 51-26=25, Resulting Numbers: [15, 4, 25] Generated Node #0,3: 36:[15, 4, 25] Operation: 51-26=25 Exploring Operation: 51-15=36, Resulting Numbers: [4, 26, 36] Generated Node #0,4: 36:[4, 26, 36] Operation: 51-15=36 Moving to Node #0,4 Current State: 36:[4, 26, 36], Operations: ['51-15=36'] Exploring Operation: 26-4=22, Resulting Numbers: [36, 22] Generated Node #0,4,0: 36:[36, 22] Operation: 26-4=22 Exploring Operation: 4+36=40, Resulting Numbers: [26, 40] Generated Node #0,4,1: 36:[26, 40] Operation: 4+36=40 Exploring Operation: 36/4=9, Resulting Numbers: [26, 9] Generated Node #0,4,2: 36:[26, 9] Operation: 36/4=9 Exploring Operation: 4+26=30, Resulting Numbers: [36, 30] Generated Node #0,4,3: 36:[36, 30] Operation: 4+26=30 Exploring Operation: 36-26=10, Resulting Numbers: [4, 10] Generated Node #0,4,4: 36:[4, 10] Operation: 36-26=10 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 36:[4, 10], Operations: ['51-15=36', '36-26=10'] Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,36 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 #0,4,0 Current State: 36:[36, 22], Operations: ['51-15=36', '26-4=22'] Exploring Operation: 36*22=792, Resulting Numbers: [792] 792,36 unequal: No Solution Exploring Operation: 36+22=58, Resulting Numbers: [58] 58,36 unequal: No Solution Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,36 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 #0,4,3 Current State: 36:[36, 30], Operations: ['51-15=36', '4+26=30'] Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 36*30=1080, Resulting Numbers: [1080] 1080,36 unequal: No Solution Exploring Operation: 36+30=66, Resulting Numbers: [66] 66,36 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 #0,4,2 Current State: 36:[26, 9], Operations: ['51-15=36', '36/4=9'] Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,36 unequal: No Solution Exploring Operation: 26*9=234, Resulting Numbers: [234] 234,36 unequal: No Solution Exploring Operation: 26+9=35, Resulting Numbers: [35] 35,36 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 #0,4,1 Current State: 36:[26, 40], Operations: ['51-15=36', '4+36=40'] Exploring Operation: 26+40=66, Resulting Numbers: [66] 66,36 unequal: No Solution Exploring Operation: 26*40=1040, Resulting Numbers: [1040] 1040,36 unequal: No Solution Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,36 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: 36:[15, 4, 25], Operations: ['51-26=25'] Exploring Operation: 15+4=19, Resulting Numbers: [25, 19] Generated Node #0,3,0: 36:[25, 19] Operation: 15+4=19 Exploring Operation: 15+25=40, Resulting Numbers: [4, 40] Generated Node #0,3,1: 36:[4, 40] Operation: 15+25=40 Exploring Operation: 25-4=21, Resulting Numbers: [15, 21] Generated Node #0,3,2: 36:[15, 21] Operation: 25-4=21 Exploring Operation: 15-4=11, Resulting Numbers: [25, 11] Generated Node #0,3,3: 36:[25, 11] Operation: 15-4=11 Exploring Operation: 25-15=10, Resulting Numbers: [4, 10] Generated Node #0,3,4: 36:[4, 10] Operation: 25-15=10 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 36:[4, 10], Operations: ['51-26=25', '25-15=10'] Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,36 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 #0,3,1 Current State: 36:[4, 40], Operations: ['51-26=25', '15+25=40'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,36 unequal: No Solution Exploring Operation: 4*40=160, Resulting Numbers: [160] 160,36 unequal: No Solution Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,36 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[51, 15, 4, 26], Operations: [] Exploring Operation: 51-26=25, Resulting Numbers: [15, 4, 25] Generated Node #0,3: 36:[15, 4, 25] Operation: 51-26=25 Moving to Node #0,3 Current State: 36:[15, 4, 25], Operations: ['51-26=25'] Exploring Operation: 15+25=40, Resulting Numbers: [4, 40] Generated Node #0,3,1: 36:[4, 40] Operation: 15+25=40 Moving to Node #0,3,1 Current State: 36:[4, 40], Operations: ['51-26=25', '15+25=40'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
sum_heuristic
[ 11, 48, 30, 9 ]
36
[ "11-9=2", "48-30=18", "2*18=36" ]
Current State: 36:[11, 48, 30, 9], Operations: [] Exploring Operation: 11-9=2, Resulting Numbers: [48, 30, 2] Generated Node #2: [48, 30, 2] from Operation: 11-9=2 Current State: 36:[48, 30, 2], Operations: ['11-9=2'] Exploring Operation: 48-30=18, Resulting Numbers: [2, 18] Generated Node #3: [2, 18] from Operation: 48-30=18 Current State: 36:[2, 18], Operations: ['11-9=2', '48-30=18'] Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[11, 48, 30, 9], Operations: [] Exploring Operation: 48-30=18, Resulting Numbers: [11, 9, 18] Generated Node #0,0: 36:[11, 9, 18] Operation: 48-30=18 Exploring Operation: 48-9=39, Resulting Numbers: [11, 30, 39] Generated Node #0,1: 36:[11, 30, 39] Operation: 48-9=39 Exploring Operation: 30-11=19, Resulting Numbers: [48, 9, 19] Generated Node #0,2: 36:[48, 9, 19] Operation: 30-11=19 Exploring Operation: 48-11=37, Resulting Numbers: [30, 9, 37] Generated Node #0,3: 36:[30, 9, 37] Operation: 48-11=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[11, 9, 18], Operations: ['48-30=18'] Exploring Operation: 11-9=2, Resulting Numbers: [18, 2] Generated Node #0,0,0: 36:[18, 2] Operation: 11-9=2 Exploring Operation: 18/9=2, Resulting Numbers: [11, 2] Generated Node #0,0,1: 36:[11, 2] Operation: 18/9=2 Exploring Operation: 18-9=9, Resulting Numbers: [11, 9] Generated Node #0,0,2: 36:[11, 9] Operation: 18-9=9 Exploring Operation: 18-11=7, Resulting Numbers: [9, 7] Generated Node #0,0,3: 36:[9, 7] Operation: 18-11=7 Moving to Node #0,0,0 Current State: 36:[18, 2], Operations: ['48-30=18', '11-9=2'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,36 unequal: No Solution Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[11, 48, 30, 9], Operations: [] Exploring Operation: 48-30=18, Resulting Numbers: [11, 9, 18] Generated Node #0,0: 36:[11, 9, 18] Operation: 48-30=18 Moving to Node #0,0 Current State: 36:[11, 9, 18], Operations: ['48-30=18'] Exploring Operation: 11-9=2, Resulting Numbers: [18, 2] Generated Node #0,0,0: 36:[18, 2] Operation: 11-9=2 Moving to Node #0,0,0 Current State: 36:[18, 2], Operations: ['48-30=18', '11-9=2'] Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 49, 25, 20, 69 ]
16
[ "69-49=20", "20*20=400", "400/25=16" ]
Current State: 16:[49, 25, 20, 69], Operations: [] Exploring Operation: 69-49=20, Resulting Numbers: [25, 20, 20] Generated Node #2: [25, 20, 20] from Operation: 69-49=20 Current State: 16:[25, 20, 20], Operations: ['69-49=20'] Exploring Operation: 20*20=400, Resulting Numbers: [25, 400] Generated Node #3: [25, 400] from Operation: 20*20=400 Current State: 16:[25, 400], Operations: ['69-49=20', '20*20=400'] Exploring Operation: 400/25=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[49, 25, 20, 69], Operations: [] Exploring Operation: 49-25=24, Resulting Numbers: [20, 69, 24] Generated Node #0,0: 16:[20, 69, 24] Operation: 49-25=24 Exploring Operation: 69-49=20, Resulting Numbers: [25, 20, 20] Generated Node #0,1: 16:[25, 20, 20] Operation: 69-49=20 Exploring Operation: 69-25=44, Resulting Numbers: [49, 20, 44] Generated Node #0,2: 16:[49, 20, 44] Operation: 69-25=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[25, 20, 20], Operations: ['69-49=20'] Exploring Operation: 25-20=5, Resulting Numbers: [20, 5] Generated Node #0,1,0: 16:[20, 5] Operation: 25-20=5 Exploring Operation: 25-20=5, Resulting Numbers: [20, 5] Generated Node #0,1,1: 16:[20, 5] Operation: 25-20=5 Exploring Operation: 20/20=1, Resulting Numbers: [25, 1] Generated Node #0,1,2: 16:[25, 1] Operation: 20/20=1 Moving to Node #0,1,0 Current State: 16:[20, 5], Operations: ['69-49=20', '25-20=5'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[20, 5], Operations: ['69-49=20', '25-20=5'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,16 unequal: No Solution Moving to Node #0,1,2 Current State: 16:[25, 1], Operations: ['69-49=20', '20/20=1'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,16 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,16 unequal: No Solution No 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:[20, 69, 24], Operations: ['49-25=24'] Exploring Operation: 69-20=49, Resulting Numbers: [24, 49] Generated Node #0,0,0: 16:[24, 49] Operation: 69-20=49 Exploring Operation: 24-20=4, Resulting Numbers: [69, 4] Generated Node #0,0,1: 16:[69, 4] Operation: 24-20=4 Exploring Operation: 69-24=45, Resulting Numbers: [20, 45] Generated Node #0,0,2: 16:[20, 45] Operation: 69-24=45 Moving to Node #0,0,2 Current State: 16:[20, 45], Operations: ['49-25=24', '69-24=45'] Exploring Operation: 20*45=900, Resulting Numbers: [900] 900,16 unequal: No Solution Exploring Operation: 20+45=65, Resulting Numbers: [65] 65,16 unequal: No Solution Exploring Operation: 45-20=25, Resulting Numbers: [25] 25,16 unequal: No Solution Moving to Node #0,0,0 Current State: 16:[24, 49], Operations: ['49-25=24', '69-20=49'] Exploring Operation: 24*49=1176, Resulting Numbers: [1176] 1176,16 unequal: No Solution Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 24+49=73, Resulting Numbers: [73] 73,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[69, 4], Operations: ['49-25=24', '24-20=4'] Exploring Operation: 69+4=73, Resulting Numbers: [73] 73,16 unequal: No Solution Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,16 unequal: No Solution Exploring Operation: 69*4=276, Resulting Numbers: [276] 276,16 unequal: No Solution No 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: 16:[49, 20, 44], Operations: ['69-25=44'] Exploring Operation: 49-20=29, Resulting Numbers: [44, 29] Generated Node #0,2,0: 16:[44, 29] Operation: 49-20=29 Exploring Operation: 44-20=24, Resulting Numbers: [49, 24] Generated Node #0,2,1: 16:[49, 24] Operation: 44-20=24 Exploring Operation: 49-44=5, Resulting Numbers: [20, 5] Generated Node #0,2,2: 16:[20, 5] Operation: 49-44=5 Moving to Node #0,2,2 Current State: 16:[20, 5], Operations: ['69-25=44', '49-44=5'] Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,16 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,16 unequal: No Solution Moving to Node #0,2,0 Current State: 16:[44, 29], Operations: ['69-25=44', '49-20=29'] Exploring Operation: 44-29=15, Resulting Numbers: [15] 15,16 unequal: No Solution Exploring Operation: 44+29=73, Resulting Numbers: [73] 73,16 unequal: No Solution Exploring Operation: 44*29=1276, Resulting Numbers: [1276] 1276,16 unequal: No Solution Moving to Node #0,2,1 Current State: 16:[49, 24], Operations: ['69-25=44', '44-20=24'] Exploring Operation: 49*24=1176, Resulting Numbers: [1176] 1176,16 unequal: No Solution Exploring Operation: 49+24=73, Resulting Numbers: [73] 73,16 unequal: No Solution Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,16 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
[ 37, 16, 99, 8 ]
66
[ "99-37=62", "16*8=128", "128-62=66" ]
Current State: 66:[37, 16, 99, 8], Operations: [] Exploring Operation: 99-37=62, Resulting Numbers: [16, 8, 62] Generated Node #2: [16, 8, 62] from Operation: 99-37=62 Current State: 66:[16, 8, 62], Operations: ['99-37=62'] Exploring Operation: 16*8=128, Resulting Numbers: [62, 128] Generated Node #3: [62, 128] from Operation: 16*8=128 Current State: 66:[62, 128], Operations: ['99-37=62', '16*8=128'] Exploring Operation: 128-62=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[37, 16, 99, 8], Operations: [] Exploring Operation: 99-16=83, Resulting Numbers: [37, 8, 83] Generated Node #0,0: 66:[37, 8, 83] Operation: 99-16=83 Exploring Operation: 99-8=91, Resulting Numbers: [37, 16, 91] Generated Node #0,1: 66:[37, 16, 91] Operation: 99-8=91 Exploring Operation: 99-37=62, Resulting Numbers: [16, 8, 62] Generated Node #0,2: 66:[16, 8, 62] Operation: 99-37=62 Moving to Node #0,2 Current State: 66:[16, 8, 62], Operations: ['99-37=62'] Exploring Operation: 16/8=2, Resulting Numbers: [62, 2] Generated Node #0,2,0: 66:[62, 2] Operation: 16/8=2 Exploring Operation: 16+8=24, Resulting Numbers: [62, 24] Generated Node #0,2,1: 66:[62, 24] Operation: 16+8=24 Exploring Operation: 16-8=8, Resulting Numbers: [62, 8] Generated Node #0,2,2: 66:[62, 8] Operation: 16-8=8 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 66:[62, 2], Operations: ['99-37=62', '16/8=2'] Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,66 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,66 unequal: No Solution Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,66 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 #0,2,1 Current State: 66:[62, 24], Operations: ['99-37=62', '16+8=24'] Exploring Operation: 62+24=86, Resulting Numbers: [86] 86,66 unequal: No Solution Exploring Operation: 62-24=38, Resulting Numbers: [38] 38,66 unequal: No Solution Exploring Operation: 62*24=1488, Resulting Numbers: [1488] 1488,66 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 #0,2,2 Current State: 66:[62, 8], Operations: ['99-37=62', '16-8=8'] Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,66 unequal: No Solution Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,66 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,66 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: 66:[37, 8, 83], Operations: ['99-16=83'] Exploring Operation: 83-37=46, Resulting Numbers: [8, 46] Generated Node #0,0,0: 66:[8, 46] Operation: 83-37=46 Exploring Operation: 83-8=75, Resulting Numbers: [37, 75] Generated Node #0,0,1: 66:[37, 75] Operation: 83-8=75 Exploring Operation: 37-8=29, Resulting Numbers: [83, 29] Generated Node #0,0,2: 66:[83, 29] Operation: 37-8=29 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 66:[37, 75], Operations: ['99-16=83', '83-8=75'] Exploring Operation: 75-37=38, Resulting Numbers: [38] 38,66 unequal: No Solution Exploring Operation: 37*75=2775, Resulting Numbers: [2775] 2775,66 unequal: No Solution Exploring Operation: 37+75=112, Resulting Numbers: [112] 112,66 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 #0,0,0 Current State: 66:[8, 46], Operations: ['99-16=83', '83-37=46'] Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,66 unequal: No Solution Exploring Operation: 8*46=368, Resulting Numbers: [368] 368,66 unequal: No Solution Exploring Operation: 8+46=54, Resulting Numbers: [54] 54,66 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 #0,0,2 Current State: 66:[83, 29], Operations: ['99-16=83', '37-8=29'] Exploring Operation: 83*29=2407, Resulting Numbers: [2407] 2407,66 unequal: No Solution Exploring Operation: 83-29=54, Resulting Numbers: [54] 54,66 unequal: No Solution Exploring Operation: 83+29=112, Resulting Numbers: [112] 112,66 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:[37, 16, 91], Operations: ['99-8=91'] Exploring Operation: 37-16=21, Resulting Numbers: [91, 21] Generated Node #0,1,0: 66:[91, 21] Operation: 37-16=21 Exploring Operation: 91-16=75, Resulting Numbers: [37, 75] Generated Node #0,1,1: 66:[37, 75] Operation: 91-16=75 Exploring Operation: 91-37=54, Resulting Numbers: [16, 54] Generated Node #0,1,2: 66:[16, 54] Operation: 91-37=54 Moving to Node #0,1,1 Current State: 66:[37, 75], Operations: ['99-8=91', '91-16=75'] Exploring Operation: 37*75=2775, Resulting Numbers: [2775] 2775,66 unequal: No Solution Exploring Operation: 37+75=112, Resulting Numbers: [112] 112,66 unequal: No Solution Exploring Operation: 75-37=38, Resulting Numbers: [38] 38,66 unequal: No Solution Moving to Node #0,1,2 Current State: 66:[16, 54], Operations: ['99-8=91', '91-37=54'] Exploring Operation: 16+54=70, Resulting Numbers: [70] 70,66 unequal: No Solution Exploring Operation: 16*54=864, Resulting Numbers: [864] 864,66 unequal: No Solution Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,66 unequal: No Solution Moving to Node #0,1,0 Current State: 66:[91, 21], Operations: ['99-8=91', '37-16=21'] Exploring Operation: 91-21=70, Resulting Numbers: [70] 70,66 unequal: No Solution Exploring Operation: 91*21=1911, Resulting Numbers: [1911] 1911,66 unequal: No Solution Exploring Operation: 91+21=112, Resulting Numbers: [112] 112,66 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 7, 49, 30, 84 ]
60
[ "49-7=42", "30*84=2520", "2520/42=60" ]
Current State: 60:[7, 49, 30, 84], Operations: [] Exploring Operation: 49-7=42, Resulting Numbers: [30, 84, 42] Generated Node #2: [30, 84, 42] from Operation: 49-7=42 Current State: 60:[30, 84, 42], Operations: ['49-7=42'] Exploring Operation: 30*84=2520, Resulting Numbers: [42, 2520] Generated Node #3: [42, 2520] from Operation: 30*84=2520 Current State: 60:[42, 2520], Operations: ['49-7=42', '30*84=2520'] Exploring Operation: 2520/42=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[7, 49, 30, 84], Operations: [] Exploring Operation: 84-49=35, Resulting Numbers: [7, 30, 35] Generated Node #0,0: 60:[7, 30, 35] Operation: 84-49=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[7, 30, 35], Operations: ['84-49=35'] Exploring Operation: 35/7=5, Resulting Numbers: [30, 5] Generated Node #0,0,0: 60:[30, 5] Operation: 35/7=5 Moving to Node #0,0,0 Current State: 60:[30, 5], Operations: ['84-49=35', '35/7=5'] Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 18, 51, 48, 15 ]
63
[ "51-48=3", "15*3=45", "18+45=63" ]
Current State: 63:[18, 51, 48, 15], Operations: [] Exploring Operation: 51-48=3, Resulting Numbers: [18, 15, 3] Generated Node #2: [18, 15, 3] from Operation: 51-48=3 Current State: 63:[18, 15, 3], Operations: ['51-48=3'] Exploring Operation: 15*3=45, Resulting Numbers: [18, 45] Generated Node #3: [18, 45] from Operation: 15*3=45 Current State: 63:[18, 45], Operations: ['51-48=3', '15*3=45'] Exploring Operation: 18+45=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[18, 51, 48, 15], Operations: [] Exploring Operation: 18+48=66, Resulting Numbers: [51, 15, 66] Generated Node #0,0: 63:[51, 15, 66] Operation: 18+48=66 Exploring Operation: 48+15=63, Resulting Numbers: [18, 51, 63] Generated Node #0,1: 63:[18, 51, 63] Operation: 48+15=63 Exploring Operation: 51-48=3, Resulting Numbers: [18, 15, 3] Generated Node #0,2: 63:[18, 15, 3] Operation: 51-48=3 Exploring Operation: 51+15=66, Resulting Numbers: [18, 48, 66] Generated Node #0,3: 63:[18, 48, 66] Operation: 51+15=66 Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[18, 15, 3], Operations: ['51-48=3'] Exploring Operation: 15/3=5, Resulting Numbers: [18, 5] Generated Node #0,2,0: 63:[18, 5] Operation: 15/3=5 Exploring Operation: 18-15=3, Resulting Numbers: [3, 3] Generated Node #0,2,1: 63:[3, 3] Operation: 18-15=3 Exploring Operation: 18+3=21, Resulting Numbers: [15, 21] Generated Node #0,2,2: 63:[15, 21] Operation: 18+3=21 Exploring Operation: 15+3=18, Resulting Numbers: [18, 18] Generated Node #0,2,3: 63:[18, 18] Operation: 15+3=18 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 63:[3, 3], Operations: ['51-48=3', '18-15=3'] Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,63 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 63:[18, 5], Operations: ['51-48=3', '15/3=5'] Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,63 unequal: No Solution Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,63 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 63:[15, 21], Operations: ['51-48=3', '18+3=21'] Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,63 unequal: No Solution Exploring Operation: 15*21=315, Resulting Numbers: [315] 315,63 unequal: No Solution Exploring Operation: 15+21=36, Resulting Numbers: [36] 36,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 63:[18, 18], Operations: ['51-48=3', '15+3=18'] Exploring Operation: 18/18=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 18-18=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 18+18=36, Resulting Numbers: [36] 36,63 unequal: No Solution Exploring Operation: 18*18=324, Resulting Numbers: [324] 324,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[18, 51, 63], Operations: ['48+15=63'] Exploring Operation: 18+51=69, Resulting Numbers: [63, 69] Generated Node #0,1,0: 63:[63, 69] Operation: 18+51=69 Exploring Operation: 18+63=81, Resulting Numbers: [51, 81] Generated Node #0,1,1: 63:[51, 81] Operation: 18+63=81 Exploring Operation: 51-18=33, Resulting Numbers: [63, 33] Generated Node #0,1,2: 63:[63, 33] Operation: 51-18=33 Exploring Operation: 63-51=12, Resulting Numbers: [18, 12] Generated Node #0,1,3: 63:[18, 12] Operation: 63-51=12 Moving to Node #0,1,0 Current State: 63:[63, 69], Operations: ['48+15=63', '18+51=69'] Exploring Operation: 69-63=6, Resulting Numbers: [6] 6,63 unequal: No Solution Exploring Operation: 63+69=132, Resulting Numbers: [132] 132,63 unequal: No Solution Exploring Operation: 63*69=4347, Resulting Numbers: [4347] 4347,63 unequal: No Solution Moving to Node #0,1,3 Current State: 63:[18, 12], Operations: ['48+15=63', '63-51=12'] Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,63 unequal: No Solution Exploring Operation: 18*12=216, Resulting Numbers: [216] 216,63 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,63 unequal: No Solution Moving to Node #0,1,2 Current State: 63:[63, 33], Operations: ['48+15=63', '51-18=33'] Exploring Operation: 63*33=2079, Resulting Numbers: [2079] 2079,63 unequal: No Solution Exploring Operation: 63-33=30, Resulting Numbers: [30] 30,63 unequal: No Solution Exploring Operation: 63+33=96, Resulting Numbers: [96] 96,63 unequal: No Solution Moving to Node #0,1,1 Current State: 63:[51, 81], Operations: ['48+15=63', '18+63=81'] Exploring Operation: 81-51=30, Resulting Numbers: [30] 30,63 unequal: No Solution Exploring Operation: 51+81=132, Resulting Numbers: [132] 132,63 unequal: No Solution Exploring Operation: 51*81=4131, Resulting Numbers: [4131] 4131,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[51, 15, 66], Operations: ['18+48=66'] Exploring Operation: 66-15=51, Resulting Numbers: [51, 51] Generated Node #0,0,0: 63:[51, 51] Operation: 66-15=51 Exploring Operation: 51+15=66, Resulting Numbers: [66, 66] Generated Node #0,0,1: 63:[66, 66] Operation: 51+15=66 Exploring Operation: 66-51=15, Resulting Numbers: [15, 15] Generated Node #0,0,2: 63:[15, 15] Operation: 66-51=15 Exploring Operation: 51-15=36, Resulting Numbers: [66, 36] Generated Node #0,0,3: 63:[66, 36] Operation: 51-15=36 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 63:[66, 66], Operations: ['18+48=66', '51+15=66'] Exploring Operation: 66+66=132, Resulting Numbers: [132] 132,63 unequal: No Solution Exploring Operation: 66/66=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 66*66=4356, Resulting Numbers: [4356] 4356,63 unequal: No Solution Exploring Operation: 66-66=0, Resulting Numbers: [0] 0,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 63:[15, 15], Operations: ['18+48=66', '66-51=15'] Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,63 unequal: No Solution Exploring Operation: 15-15=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 15*15=225, Resulting Numbers: [225] 225,63 unequal: No Solution Exploring Operation: 15/15=1, Resulting Numbers: [1] 1,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 63:[66, 36], Operations: ['18+48=66', '51-15=36'] Exploring Operation: 66+36=102, Resulting Numbers: [102] 102,63 unequal: No Solution Exploring Operation: 66-36=30, Resulting Numbers: [30] 30,63 unequal: No Solution Exploring Operation: 66*36=2376, Resulting Numbers: [2376] 2376,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 63:[51, 51], Operations: ['18+48=66', '66-15=51'] Exploring Operation: 51-51=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 51/51=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 51+51=102, Resulting Numbers: [102] 102,63 unequal: No Solution Exploring Operation: 51*51=2601, Resulting Numbers: [2601] 2601,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 63:[18, 48, 66], Operations: ['51+15=66'] Exploring Operation: 66-48=18, Resulting Numbers: [18, 18] Generated Node #0,3,0: 63:[18, 18] Operation: 66-48=18 Exploring Operation: 18+48=66, Resulting Numbers: [66, 66] Generated Node #0,3,1: 63:[66, 66] Operation: 18+48=66 Exploring Operation: 66-18=48, Resulting Numbers: [48, 48] Generated Node #0,3,2: 63:[48, 48] Operation: 66-18=48 Exploring Operation: 48-18=30, Resulting Numbers: [66, 30] Generated Node #0,3,3: 63:[66, 30] Operation: 48-18=30 Moving to Node #0,3,0 Current State: 63:[18, 18], Operations: ['51+15=66', '66-48=18'] Exploring Operation: 18*18=324, Resulting Numbers: [324] 324,63 unequal: No Solution Exploring Operation: 18-18=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 18/18=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 18+18=36, Resulting Numbers: [36] 36,63 unequal: No Solution Moving to Node #0,3,1 Current State: 63:[66, 66], Operations: ['51+15=66', '18+48=66'] Exploring Operation: 66/66=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 66-66=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 66*66=4356, Resulting Numbers: [4356] 4356,63 unequal: No Solution Exploring Operation: 66+66=132, Resulting Numbers: [132] 132,63 unequal: No Solution Moving to Node #0,3,3 Current State: 63:[66, 30], Operations: ['51+15=66', '48-18=30'] Exploring Operation: 66+30=96, Resulting Numbers: [96] 96,63 unequal: No Solution Exploring Operation: 66-30=36, Resulting Numbers: [36] 36,63 unequal: No Solution Exploring Operation: 66*30=1980, Resulting Numbers: [1980] 1980,63 unequal: No Solution Moving to Node #0,3,2 Current State: 63:[48, 48], Operations: ['51+15=66', '66-18=48'] Exploring Operation: 48/48=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 48*48=2304, Resulting Numbers: [2304] 2304,63 unequal: No Solution Exploring Operation: 48+48=96, Resulting Numbers: [96] 96,63 unequal: No Solution Exploring Operation: 48-48=0, Resulting Numbers: [0] 0,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 6, 39, 5, 89 ]
51
[ "39-6=33", "89-5=84", "84-33=51" ]
Current State: 51:[6, 39, 5, 89], Operations: [] Exploring Operation: 39-6=33, Resulting Numbers: [5, 89, 33] Generated Node #2: [5, 89, 33] from Operation: 39-6=33 Current State: 51:[5, 89, 33], Operations: ['39-6=33'] Exploring Operation: 89-5=84, Resulting Numbers: [33, 84] Generated Node #3: [33, 84] from Operation: 89-5=84 Current State: 51:[33, 84], Operations: ['39-6=33', '89-5=84'] Exploring Operation: 84-33=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[6, 39, 5, 89], Operations: [] Exploring Operation: 89-39=50, Resulting Numbers: [6, 5, 50] Generated Node #0,0: 51:[6, 5, 50] Operation: 89-39=50 Exploring Operation: 6+39=45, Resulting Numbers: [5, 89, 45] Generated Node #0,1: 51:[5, 89, 45] Operation: 6+39=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[6, 5, 50], Operations: ['89-39=50'] Exploring Operation: 6+5=11, Resulting Numbers: [50, 11] Generated Node #0,0,0: 51:[50, 11] Operation: 6+5=11 Exploring Operation: 6-5=1, Resulting Numbers: [50, 1] Generated Node #0,0,1: 51:[50, 1] Operation: 6-5=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[50, 1], Operations: ['89-39=50', '6-5=1'] Exploring Operation: 50+1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[6, 39, 5, 89], Operations: [] Exploring Operation: 89-39=50, Resulting Numbers: [6, 5, 50] Generated Node #0,0: 51:[6, 5, 50] Operation: 89-39=50 Moving to Node #0,0 Current State: 51:[6, 5, 50], Operations: ['89-39=50'] Exploring Operation: 6-5=1, Resulting Numbers: [50, 1] Generated Node #0,0,1: 51:[50, 1] Operation: 6-5=1 Moving to Node #0,0,1 Current State: 51:[50, 1], Operations: ['89-39=50', '6-5=1'] Exploring Operation: 50+1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 44, 49, 60, 66 ]
50
[ "60-49=11", "66/11=6", "44+6=50" ]
Current State: 50:[44, 49, 60, 66], Operations: [] Exploring Operation: 60-49=11, Resulting Numbers: [44, 66, 11] Generated Node #2: [44, 66, 11] from Operation: 60-49=11 Current State: 50:[44, 66, 11], Operations: ['60-49=11'] Exploring Operation: 66/11=6, Resulting Numbers: [44, 6] Generated Node #3: [44, 6] from Operation: 66/11=6 Current State: 50:[44, 6], Operations: ['60-49=11', '66/11=6'] Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[44, 49, 60, 66], Operations: [] Exploring Operation: 60-49=11, Resulting Numbers: [44, 66, 11] Generated Node #0,0: 50:[44, 66, 11] Operation: 60-49=11 Exploring Operation: 60-44=16, Resulting Numbers: [49, 66, 16] Generated Node #0,1: 50:[49, 66, 16] Operation: 60-44=16 Exploring Operation: 66-49=17, Resulting Numbers: [44, 60, 17] Generated Node #0,2: 50:[44, 60, 17] Operation: 66-49=17 Exploring Operation: 66-44=22, Resulting Numbers: [49, 60, 22] Generated Node #0,3: 50:[49, 60, 22] Operation: 66-44=22 Exploring Operation: 66-60=6, Resulting Numbers: [44, 49, 6] Generated Node #0,4: 50:[44, 49, 6] Operation: 66-60=6 Start Sub Search at level 1: Moving to Node #0,4 Current State: 50:[44, 49, 6], Operations: ['66-60=6'] Exploring Operation: 49-44=5, Resulting Numbers: [6, 5] Generated Node #0,4,0: 50:[6, 5] Operation: 49-44=5 Exploring Operation: 44-6=38, Resulting Numbers: [49, 38] Generated Node #0,4,1: 50:[49, 38] Operation: 44-6=38 Exploring Operation: 44+6=50, Resulting Numbers: [49, 50] Generated Node #0,4,2: 50:[49, 50] Operation: 44+6=50 Exploring Operation: 49+6=55, Resulting Numbers: [44, 55] Generated Node #0,4,3: 50:[44, 55] Operation: 49+6=55 Exploring Operation: 49-6=43, Resulting Numbers: [44, 43] Generated Node #0,4,4: 50:[44, 43] Operation: 49-6=43 Moving to Node #0,4,0 Current State: 50:[6, 5], Operations: ['66-60=6', '49-44=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,50 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,50 unequal: No Solution Moving to Node #0,4,2 Current State: 50:[49, 50], Operations: ['66-60=6', '44+6=50'] Exploring Operation: 50-49=1, Resulting Numbers: [1] 1,50 unequal: No Solution Exploring Operation: 49+50=99, Resulting Numbers: [99] 99,50 unequal: No Solution Exploring Operation: 49*50=2450, Resulting Numbers: [2450] 2450,50 unequal: No Solution Moving to Node #0,4,3 Current State: 50:[44, 55], Operations: ['66-60=6', '49+6=55'] Exploring Operation: 44*55=2420, Resulting Numbers: [2420] 2420,50 unequal: No Solution Exploring Operation: 44+55=99, Resulting Numbers: [99] 99,50 unequal: No Solution Exploring Operation: 55-44=11, Resulting Numbers: [11] 11,50 unequal: No Solution Moving to Node #0,4,1 Current State: 50:[49, 38], Operations: ['66-60=6', '44-6=38'] Exploring Operation: 49-38=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 49+38=87, Resulting Numbers: [87] 87,50 unequal: No Solution Exploring Operation: 49*38=1862, Resulting Numbers: [1862] 1862,50 unequal: No Solution Moving to Node #0,4,4 Current State: 50:[44, 43], Operations: ['66-60=6', '49-6=43'] Exploring Operation: 44+43=87, Resulting Numbers: [87] 87,50 unequal: No Solution Exploring Operation: 44*43=1892, Resulting Numbers: [1892] 1892,50 unequal: No Solution Exploring Operation: 44-43=1, Resulting Numbers: [1] 1,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 50:[49, 60, 22], Operations: ['66-44=22'] Exploring Operation: 60+22=82, Resulting Numbers: [49, 82] Generated Node #0,3,0: 50:[49, 82] Operation: 60+22=82 Exploring Operation: 49-22=27, Resulting Numbers: [60, 27] Generated Node #0,3,1: 50:[60, 27] Operation: 49-22=27 Exploring Operation: 60-49=11, Resulting Numbers: [22, 11] Generated Node #0,3,2: 50:[22, 11] Operation: 60-49=11 Exploring Operation: 49+22=71, Resulting Numbers: [60, 71] Generated Node #0,3,3: 50:[60, 71] Operation: 49+22=71 Exploring Operation: 60-22=38, Resulting Numbers: [49, 38] Generated Node #0,3,4: 50:[49, 38] Operation: 60-22=38 Moving to Node #0,3,2 Current State: 50:[22, 11], Operations: ['66-44=22', '60-49=11'] Exploring Operation: 22*11=242, Resulting Numbers: [242] 242,50 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 22+11=33, Resulting Numbers: [33] 33,50 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,50 unequal: No Solution Moving to Node #0,3,1 Current State: 50:[60, 27], Operations: ['66-44=22', '49-22=27'] Exploring Operation: 60*27=1620, Resulting Numbers: [1620] 1620,50 unequal: No Solution Exploring Operation: 60+27=87, Resulting Numbers: [87] 87,50 unequal: No Solution Exploring Operation: 60-27=33, Resulting Numbers: [33] 33,50 unequal: No Solution Moving to Node #0,3,4 Current State: 50:[49, 38], Operations: ['66-44=22', '60-22=38'] Exploring Operation: 49*38=1862, Resulting Numbers: [1862] 1862,50 unequal: No Solution Exploring Operation: 49-38=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 49+38=87, Resulting Numbers: [87] 87,50 unequal: No Solution Moving to Node #0,3,3 Current State: 50:[60, 71], Operations: ['66-44=22', '49+22=71'] Exploring Operation: 71-60=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 60+71=131, Resulting Numbers: [131] 131,50 unequal: No Solution Exploring Operation: 60*71=4260, Resulting Numbers: [4260] 4260,50 unequal: No Solution Moving to Node #0,3,0 Current State: 50:[49, 82], Operations: ['66-44=22', '60+22=82'] Exploring Operation: 49+82=131, Resulting Numbers: [131] 131,50 unequal: No Solution Exploring Operation: 82-49=33, Resulting Numbers: [33] 33,50 unequal: No Solution Exploring Operation: 49*82=4018, Resulting Numbers: [4018] 4018,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[44, 66, 11], Operations: ['60-49=11'] Exploring Operation: 66-11=55, Resulting Numbers: [44, 55] Generated Node #0,0,0: 50:[44, 55] Operation: 66-11=55 Exploring Operation: 44+11=55, Resulting Numbers: [66, 55] Generated Node #0,0,1: 50:[66, 55] Operation: 44+11=55 Exploring Operation: 44/11=4, Resulting Numbers: [66, 4] Generated Node #0,0,2: 50:[66, 4] Operation: 44/11=4 Exploring Operation: 66-44=22, Resulting Numbers: [11, 22] Generated Node #0,0,3: 50:[11, 22] Operation: 66-44=22 Exploring Operation: 66/11=6, Resulting Numbers: [44, 6] Generated Node #0,0,4: 50:[44, 6] Operation: 66/11=6 Moving to Node #0,0,3 Current State: 50:[11, 22], Operations: ['60-49=11', '66-44=22'] Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,50 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 11*22=242, Resulting Numbers: [242] 242,50 unequal: No Solution Moving to Node #0,0,4 Current State: 50:[44, 6], Operations: ['60-49=11', '66/11=6'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,50 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[44, 49, 60, 66], Operations: [] Exploring Operation: 60-49=11, Resulting Numbers: [44, 66, 11] Generated Node #0,0: 50:[44, 66, 11] Operation: 60-49=11 Moving to Node #0,0 Current State: 50:[44, 66, 11], Operations: ['60-49=11'] Exploring Operation: 66/11=6, Resulting Numbers: [44, 6] Generated Node #0,0,4: 50:[44, 6] Operation: 66/11=6 Moving to Node #0,0,4 Current State: 50:[44, 6], Operations: ['60-49=11', '66/11=6'] Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.947049
hs_5
sum_heuristic