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
[ 15, 2, 25, 37 ]
72
[ "37-15=22", "2*25=50", "22+50=72" ]
Current State: 72:[15, 2, 25, 37], Operations: [] Exploring Operation: 37-15=22, Resulting Numbers: [2, 25, 22] Generated Node #2: [2, 25, 22] from Operation: 37-15=22 Current State: 72:[2, 25, 22], Operations: ['37-15=22'] Exploring Operation: 2*25=50, Resulting Numbers: [22, 50] Generated Node #3: [22, 50] from Operation: 2*25=50 Current State: 72:[22, 50], Operations: ['37-15=22', '2*25=50'] Exploring Operation: 22+50=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[15, 2, 25, 37], Operations: [] Exploring Operation: 15+2=17, Resulting Numbers: [25, 37, 17] Generated Node #0,0: 72:[25, 37, 17] Operation: 15+2=17 Exploring Operation: 25-15=10, Resulting Numbers: [2, 37, 10] Generated Node #0,1: 72:[2, 37, 10] Operation: 25-15=10 Moving to Node #0,1 Current State: 72:[2, 37, 10], Operations: ['25-15=10'] Exploring Operation: 10-2=8, Resulting Numbers: [37, 8] Generated Node #0,1,0: 72:[37, 8] Operation: 10-2=8 Exploring Operation: 2+10=12, Resulting Numbers: [37, 12] Generated Node #0,1,1: 72:[37, 12] Operation: 2+10=12 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 72:[37, 8], Operations: ['25-15=10', '10-2=8'] Exploring Operation: 37+8=45, Resulting Numbers: [45] 45,72 unequal: No Solution Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,72 unequal: No Solution No 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: 72:[37, 12], Operations: ['25-15=10', '2+10=12'] Exploring Operation: 37+12=49, Resulting Numbers: [49] 49,72 unequal: No Solution Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,72 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: 72:[25, 37, 17], Operations: ['15+2=17'] Exploring Operation: 37-25=12, Resulting Numbers: [17, 12] Generated Node #0,0,0: 72:[17, 12] Operation: 37-25=12 Exploring Operation: 25-17=8, Resulting Numbers: [37, 8] Generated Node #0,0,1: 72:[37, 8] Operation: 25-17=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[17, 12], Operations: ['15+2=17', '37-25=12'] Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,72 unequal: No Solution Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,72 unequal: No Solution No 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: 72:[37, 8], Operations: ['15+2=17', '25-17=8'] Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,72 unequal: No Solution Exploring Operation: 37+8=45, Resulting Numbers: [45] 45,72 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
[ 59, 25, 76, 18 ]
10
[ "59+25=84", "76+18=94", "94-84=10" ]
Current State: 10:[59, 25, 76, 18], Operations: [] Exploring Operation: 59+25=84, Resulting Numbers: [76, 18, 84] Generated Node #2: [76, 18, 84] from Operation: 59+25=84 Current State: 10:[76, 18, 84], Operations: ['59+25=84'] Exploring Operation: 76+18=94, Resulting Numbers: [84, 94] Generated Node #3: [84, 94] from Operation: 76+18=94 Current State: 10:[84, 94], Operations: ['59+25=84', '76+18=94'] Exploring Operation: 94-84=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[59, 25, 76, 18], Operations: [] Exploring Operation: 76-59=17, Resulting Numbers: [25, 18, 17] Generated Node #0,0: 10:[25, 18, 17] Operation: 76-59=17 Exploring Operation: 59-25=34, Resulting Numbers: [76, 18, 34] Generated Node #0,1: 10:[76, 18, 34] Operation: 59-25=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[25, 18, 17], Operations: ['76-59=17'] Exploring Operation: 25-17=8, Resulting Numbers: [18, 8] Generated Node #0,0,0: 10:[18, 8] Operation: 25-17=8 Exploring Operation: 25-18=7, Resulting Numbers: [17, 7] Generated Node #0,0,1: 10:[17, 7] Operation: 25-18=7 Moving to Node #0,0,1 Current State: 10:[17, 7], Operations: ['76-59=17', '25-18=7'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[59, 25, 76, 18], Operations: [] Exploring Operation: 76-59=17, Resulting Numbers: [25, 18, 17] Generated Node #0,0: 10:[25, 18, 17] Operation: 76-59=17 Moving to Node #0,0 Current State: 10:[25, 18, 17], Operations: ['76-59=17'] Exploring Operation: 25-18=7, Resulting Numbers: [17, 7] Generated Node #0,0,1: 10:[17, 7] Operation: 25-18=7 Moving to Node #0,0,1 Current State: 10:[17, 7], Operations: ['76-59=17', '25-18=7'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 10, 48, 13, 98 ]
73
[ "48-10=38", "13+98=111", "111-38=73" ]
Current State: 73:[10, 48, 13, 98], Operations: [] Exploring Operation: 48-10=38, Resulting Numbers: [13, 98, 38] Generated Node #2: [13, 98, 38] from Operation: 48-10=38 Current State: 73:[13, 98, 38], Operations: ['48-10=38'] Exploring Operation: 13+98=111, Resulting Numbers: [38, 111] Generated Node #3: [38, 111] from Operation: 13+98=111 Current State: 73:[38, 111], Operations: ['48-10=38', '13+98=111'] Exploring Operation: 111-38=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[10, 48, 13, 98], Operations: [] Exploring Operation: 10+48=58, Resulting Numbers: [13, 98, 58] Generated Node #0,0: 73:[13, 98, 58] Operation: 10+48=58 Exploring Operation: 10+13=23, Resulting Numbers: [48, 98, 23] Generated Node #0,1: 73:[48, 98, 23] Operation: 10+13=23 Exploring Operation: 98-10=88, Resulting Numbers: [48, 13, 88] Generated Node #0,2: 73:[48, 13, 88] Operation: 98-10=88 Exploring Operation: 48+13=61, Resulting Numbers: [10, 98, 61] Generated Node #0,3: 73:[10, 98, 61] Operation: 48+13=61 Moving to Node #0,0 Current State: 73:[13, 98, 58], Operations: ['10+48=58'] Exploring Operation: 13+58=71, Resulting Numbers: [98, 71] Generated Node #0,0,0: 73:[98, 71] Operation: 13+58=71 Exploring Operation: 98-13=85, Resulting Numbers: [58, 85] Generated Node #0,0,1: 73:[58, 85] Operation: 98-13=85 Exploring Operation: 13+98=111, Resulting Numbers: [58, 111] Generated Node #0,0,2: 73:[58, 111] Operation: 13+98=111 Exploring Operation: 58-13=45, Resulting Numbers: [98, 45] Generated Node #0,0,3: 73:[98, 45] Operation: 58-13=45 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[98, 71], Operations: ['10+48=58', '13+58=71'] Exploring Operation: 98*71=6958, Resulting Numbers: [6958] 6958,73 unequal: No Solution Exploring Operation: 98+71=169, Resulting Numbers: [169] 169,73 unequal: No Solution Exploring Operation: 98-71=27, Resulting Numbers: [27] 27,73 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:[58, 85], Operations: ['10+48=58', '98-13=85'] Exploring Operation: 85-58=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 58*85=4930, Resulting Numbers: [4930] 4930,73 unequal: No Solution Exploring Operation: 58+85=143, Resulting Numbers: [143] 143,73 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 #0,0,2 Current State: 73:[58, 111], Operations: ['10+48=58', '13+98=111'] Exploring Operation: 111-58=53, Resulting Numbers: [53] 53,73 unequal: No Solution Exploring Operation: 58+111=169, Resulting Numbers: [169] 169,73 unequal: No Solution Exploring Operation: 58*111=6438, Resulting Numbers: [6438] 6438,73 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:[98, 45], Operations: ['10+48=58', '58-13=45'] Exploring Operation: 98+45=143, Resulting Numbers: [143] 143,73 unequal: No Solution Exploring Operation: 98-45=53, Resulting Numbers: [53] 53,73 unequal: No Solution Exploring Operation: 98*45=4410, Resulting Numbers: [4410] 4410,73 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:[48, 13, 88], Operations: ['98-10=88'] Exploring Operation: 48+13=61, Resulting Numbers: [88, 61] Generated Node #0,2,0: 73:[88, 61] Operation: 48+13=61 Exploring Operation: 13+88=101, Resulting Numbers: [48, 101] Generated Node #0,2,1: 73:[48, 101] Operation: 13+88=101 Exploring Operation: 48-13=35, Resulting Numbers: [88, 35] Generated Node #0,2,2: 73:[88, 35] Operation: 48-13=35 Exploring Operation: 88-13=75, Resulting Numbers: [48, 75] Generated Node #0,2,3: 73:[48, 75] Operation: 88-13=75 Moving to Node #0,1 Current State: 73:[48, 98, 23], Operations: ['10+13=23'] Exploring Operation: 48+23=71, Resulting Numbers: [98, 71] Generated Node #0,1,0: 73:[98, 71] Operation: 48+23=71 Exploring Operation: 48-23=25, Resulting Numbers: [98, 25] Generated Node #0,1,1: 73:[98, 25] Operation: 48-23=25 Exploring Operation: 98-23=75, Resulting Numbers: [48, 75] Generated Node #0,1,2: 73:[48, 75] Operation: 98-23=75 Exploring Operation: 98-48=50, Resulting Numbers: [23, 50] Generated Node #0,1,3: 73:[23, 50] Operation: 98-48=50 Moving to Node #0,3 Current State: 73:[10, 98, 61], Operations: ['48+13=61'] Exploring Operation: 10+61=71, Resulting Numbers: [98, 71] Generated Node #0,3,0: 73:[98, 71] Operation: 10+61=71 Exploring Operation: 10+98=108, Resulting Numbers: [61, 108] Generated Node #0,3,1: 73:[61, 108] Operation: 10+98=108 Exploring Operation: 98-10=88, Resulting Numbers: [61, 88] Generated Node #0,3,2: 73:[61, 88] Operation: 98-10=88 Exploring Operation: 61-10=51, Resulting Numbers: [98, 51] Generated Node #0,3,3: 73:[98, 51] Operation: 61-10=51 Moving to Node #0,2,0 Current State: 73:[88, 61], Operations: ['98-10=88', '48+13=61'] Exploring Operation: 88*61=5368, Resulting Numbers: [5368] 5368,73 unequal: No Solution Exploring Operation: 88+61=149, Resulting Numbers: [149] 149,73 unequal: No Solution Exploring Operation: 88-61=27, Resulting Numbers: [27] 27,73 unequal: No Solution Moving to Node #0,1,2 Current State: 73:[48, 75], Operations: ['10+13=23', '98-23=75'] Exploring Operation: 75-48=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 48+75=123, Resulting Numbers: [123] 123,73 unequal: No Solution Exploring Operation: 48*75=3600, Resulting Numbers: [3600] 3600,73 unequal: No Solution Moving to Node #0,2,3 Current State: 73:[48, 75], Operations: ['98-10=88', '88-13=75'] Exploring Operation: 48*75=3600, Resulting Numbers: [3600] 3600,73 unequal: No Solution Exploring Operation: 48+75=123, Resulting Numbers: [123] 123,73 unequal: No Solution Exploring Operation: 75-48=27, Resulting Numbers: [27] 27,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[98, 71], Operations: ['10+13=23', '48+23=71'] Exploring Operation: 98-71=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 98+71=169, Resulting Numbers: [169] 169,73 unequal: No Solution Exploring Operation: 98*71=6958, Resulting Numbers: [6958] 6958,73 unequal: No Solution Moving to Node #0,3,2 Current State: 73:[61, 88], Operations: ['48+13=61', '98-10=88'] Exploring Operation: 88-61=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 61+88=149, Resulting Numbers: [149] 149,73 unequal: No Solution Exploring Operation: 61*88=5368, Resulting Numbers: [5368] 5368,73 unequal: No Solution Moving to Node #0,3,0 Current State: 73:[98, 71], Operations: ['48+13=61', '10+61=71'] Exploring Operation: 98-71=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 98*71=6958, Resulting Numbers: [6958] 6958,73 unequal: No Solution Exploring Operation: 98+71=169, Resulting Numbers: [169] 169,73 unequal: No Solution Moving to Node #0,3,3 Current State: 73:[98, 51], Operations: ['48+13=61', '61-10=51'] Exploring Operation: 98*51=4998, Resulting Numbers: [4998] 4998,73 unequal: No Solution Exploring Operation: 98-51=47, Resulting Numbers: [47] 47,73 unequal: No Solution Exploring Operation: 98+51=149, Resulting Numbers: [149] 149,73 unequal: No Solution Moving to Node #0,3,1 Current State: 73:[61, 108], Operations: ['48+13=61', '10+98=108'] Exploring Operation: 61+108=169, Resulting Numbers: [169] 169,73 unequal: No Solution Exploring Operation: 61*108=6588, Resulting Numbers: [6588] 6588,73 unequal: No Solution Exploring Operation: 108-61=47, Resulting Numbers: [47] 47,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[48, 101], Operations: ['98-10=88', '13+88=101'] Exploring Operation: 48*101=4848, Resulting Numbers: [4848] 4848,73 unequal: No Solution Exploring Operation: 101-48=53, Resulting Numbers: [53] 53,73 unequal: No Solution Exploring Operation: 48+101=149, Resulting Numbers: [149] 149,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[88, 35], Operations: ['98-10=88', '48-13=35'] Exploring Operation: 88*35=3080, Resulting Numbers: [3080] 3080,73 unequal: No Solution Exploring Operation: 88-35=53, Resulting Numbers: [53] 53,73 unequal: No Solution Exploring Operation: 88+35=123, Resulting Numbers: [123] 123,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[98, 25], Operations: ['10+13=23', '48-23=25'] Exploring Operation: 98*25=2450, Resulting Numbers: [2450] 2450,73 unequal: No Solution Exploring Operation: 98+25=123, Resulting Numbers: [123] 123,73 unequal: No Solution Exploring Operation: 98-25=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[10, 48, 13, 98], Operations: [] Exploring Operation: 10+13=23, Resulting Numbers: [48, 98, 23] Generated Node #0,1: 73:[48, 98, 23] Operation: 10+13=23 Moving to Node #0,1 Current State: 73:[48, 98, 23], Operations: ['10+13=23'] Exploring Operation: 48-23=25, Resulting Numbers: [98, 25] Generated Node #0,1,1: 73:[98, 25] Operation: 48-23=25 Moving to Node #0,1,1 Current State: 73:[98, 25], Operations: ['10+13=23', '48-23=25'] Exploring Operation: 98-25=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
0.940104
hs_4
mult_heuristic
[ 31, 53, 16, 33 ]
27
[ "53-31=22", "16+33=49", "49-22=27" ]
Current State: 27:[31, 53, 16, 33], Operations: [] Exploring Operation: 53-31=22, Resulting Numbers: [16, 33, 22] Generated Node #2: [16, 33, 22] from Operation: 53-31=22 Current State: 27:[16, 33, 22], Operations: ['53-31=22'] Exploring Operation: 16+33=49, Resulting Numbers: [22, 49] Generated Node #3: [22, 49] from Operation: 16+33=49 Current State: 27:[22, 49], Operations: ['53-31=22', '16+33=49'] Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[31, 53, 16, 33], Operations: [] Exploring Operation: 53-31=22, Resulting Numbers: [16, 33, 22] Generated Node #0,0: 27:[16, 33, 22] Operation: 53-31=22 Moving to Node #0,0 Current State: 27:[16, 33, 22], Operations: ['53-31=22'] Exploring Operation: 22-16=6, Resulting Numbers: [33, 6] Generated Node #0,0,0: 27:[33, 6] Operation: 22-16=6 Moving to Node #0,0,0 Current State: 27:[33, 6], Operations: ['53-31=22', '22-16=6'] Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[31, 53, 16, 33], Operations: [] Exploring Operation: 53-31=22, Resulting Numbers: [16, 33, 22] Generated Node #0,0: 27:[16, 33, 22] Operation: 53-31=22 Moving to Node #0,0 Current State: 27:[16, 33, 22], Operations: ['53-31=22'] Exploring Operation: 22-16=6, Resulting Numbers: [33, 6] Generated Node #0,0,0: 27:[33, 6] Operation: 22-16=6 Moving to Node #0,0,0 Current State: 27:[33, 6], Operations: ['53-31=22', '22-16=6'] Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 95, 70, 45, 74 ]
72
[ "95+45=140", "140/70=2", "74-2=72" ]
Current State: 72:[95, 70, 45, 74], Operations: [] Exploring Operation: 95+45=140, Resulting Numbers: [70, 74, 140] Generated Node #2: [70, 74, 140] from Operation: 95+45=140 Current State: 72:[70, 74, 140], Operations: ['95+45=140'] Exploring Operation: 140/70=2, Resulting Numbers: [74, 2] Generated Node #3: [74, 2] from Operation: 140/70=2 Current State: 72:[74, 2], Operations: ['95+45=140', '140/70=2'] Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[95, 70, 45, 74], Operations: [] Exploring Operation: 95-74=21, Resulting Numbers: [70, 45, 21] Generated Node #0,0: 72:[70, 45, 21] Operation: 95-74=21 Exploring Operation: 95-45=50, Resulting Numbers: [70, 74, 50] Generated Node #0,1: 72:[70, 74, 50] Operation: 95-45=50 Exploring Operation: 95-70=25, Resulting Numbers: [45, 74, 25] Generated Node #0,2: 72:[45, 74, 25] Operation: 95-70=25 Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[45, 74, 25], Operations: ['95-70=25'] Exploring Operation: 45-25=20, Resulting Numbers: [74, 20] Generated Node #0,2,0: 72:[74, 20] Operation: 45-25=20 Exploring Operation: 45+25=70, Resulting Numbers: [74, 70] Generated Node #0,2,1: 72:[74, 70] Operation: 45+25=70 Exploring Operation: 74-45=29, Resulting Numbers: [25, 29] Generated Node #0,2,2: 72:[25, 29] Operation: 74-45=29 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 72:[74, 20], Operations: ['95-70=25', '45-25=20'] Exploring Operation: 74-20=54, Resulting Numbers: [54] 54,72 unequal: No Solution Exploring Operation: 74*20=1480, Resulting Numbers: [1480] 1480,72 unequal: No Solution Exploring Operation: 74+20=94, Resulting Numbers: [94] 94,72 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 #0,2,1 Current State: 72:[74, 70], Operations: ['95-70=25', '45+25=70'] Exploring Operation: 74+70=144, Resulting Numbers: [144] 144,72 unequal: No Solution Exploring Operation: 74-70=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 74*70=5180, Resulting Numbers: [5180] 5180,72 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 #0,2,2 Current State: 72:[25, 29], Operations: ['95-70=25', '74-45=29'] Exploring Operation: 25*29=725, Resulting Numbers: [725] 725,72 unequal: No Solution Exploring Operation: 25+29=54, Resulting Numbers: [54] 54,72 unequal: No Solution Exploring Operation: 29-25=4, Resulting Numbers: [4] 4,72 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 #0,0 Current State: 72:[70, 45, 21], Operations: ['95-74=21'] Exploring Operation: 45+21=66, Resulting Numbers: [70, 66] Generated Node #0,0,0: 72:[70, 66] Operation: 45+21=66 Exploring Operation: 70-45=25, Resulting Numbers: [21, 25] Generated Node #0,0,1: 72:[21, 25] Operation: 70-45=25 Exploring Operation: 45-21=24, Resulting Numbers: [70, 24] Generated Node #0,0,2: 72:[70, 24] Operation: 45-21=24 Moving to Node #0,0,2 Current State: 72:[70, 24], Operations: ['95-74=21', '45-21=24'] Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,72 unequal: No Solution Exploring Operation: 70*24=1680, Resulting Numbers: [1680] 1680,72 unequal: No Solution Exploring Operation: 70+24=94, Resulting Numbers: [94] 94,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[21, 25], Operations: ['95-74=21', '70-45=25'] Exploring Operation: 21+25=46, Resulting Numbers: [46] 46,72 unequal: No Solution Exploring Operation: 21*25=525, Resulting Numbers: [525] 525,72 unequal: No Solution Exploring Operation: 25-21=4, Resulting Numbers: [4] 4,72 unequal: No Solution Moving to Node #0,0,0 Current State: 72:[70, 66], Operations: ['95-74=21', '45+21=66'] Exploring Operation: 70+66=136, Resulting Numbers: [136] 136,72 unequal: No Solution Exploring Operation: 70*66=4620, Resulting Numbers: [4620] 4620,72 unequal: No Solution Exploring Operation: 70-66=4, Resulting Numbers: [4] 4,72 unequal: No Solution No 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: 72:[70, 74, 50], Operations: ['95-45=50'] Exploring Operation: 74-70=4, Resulting Numbers: [50, 4] Generated Node #0,1,0: 72:[50, 4] Operation: 74-70=4 Exploring Operation: 70-50=20, Resulting Numbers: [74, 20] Generated Node #0,1,1: 72:[74, 20] Operation: 70-50=20 Exploring Operation: 74-50=24, Resulting Numbers: [70, 24] Generated Node #0,1,2: 72:[70, 24] Operation: 74-50=24 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 72:[70, 24], Operations: ['95-45=50', '74-50=24'] Exploring Operation: 70*24=1680, Resulting Numbers: [1680] 1680,72 unequal: No Solution Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,72 unequal: No Solution Exploring Operation: 70+24=94, Resulting Numbers: [94] 94,72 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:[74, 20], Operations: ['95-45=50', '70-50=20'] Exploring Operation: 74-20=54, Resulting Numbers: [54] 54,72 unequal: No Solution Exploring Operation: 74+20=94, Resulting Numbers: [94] 94,72 unequal: No Solution Exploring Operation: 74*20=1480, Resulting Numbers: [1480] 1480,72 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 #0,1,0 Current State: 72:[50, 4], Operations: ['95-45=50', '74-70=4'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,72 unequal: No Solution Exploring Operation: 50*4=200, Resulting Numbers: [200] 200,72 unequal: No Solution Exploring Operation: 50+4=54, Resulting Numbers: [54] 54,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 23, 6, 10, 25 ]
14
[ "23+6=29", "25-10=15", "29-15=14" ]
Current State: 14:[23, 6, 10, 25], Operations: [] Exploring Operation: 23+6=29, Resulting Numbers: [10, 25, 29] Generated Node #2: [10, 25, 29] from Operation: 23+6=29 Current State: 14:[10, 25, 29], Operations: ['23+6=29'] Exploring Operation: 25-10=15, Resulting Numbers: [29, 15] Generated Node #3: [29, 15] from Operation: 25-10=15 Current State: 14:[29, 15], Operations: ['23+6=29', '25-10=15'] Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[23, 6, 10, 25], Operations: [] Exploring Operation: 25-23=2, Resulting Numbers: [6, 10, 2] Generated Node #0,0: 14:[6, 10, 2] Operation: 25-23=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[6, 10, 2], Operations: ['25-23=2'] Exploring Operation: 6+10=16, Resulting Numbers: [2, 16] Generated Node #0,0,0: 14:[2, 16] Operation: 6+10=16 Moving to Node #0,0,0 Current State: 14:[2, 16], Operations: ['25-23=2', '6+10=16'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[23, 6, 10, 25], Operations: [] Exploring Operation: 25-23=2, Resulting Numbers: [6, 10, 2] Generated Node #0,0: 14:[6, 10, 2] Operation: 25-23=2 Moving to Node #0,0 Current State: 14:[6, 10, 2], Operations: ['25-23=2'] Exploring Operation: 6+10=16, Resulting Numbers: [2, 16] Generated Node #0,0,0: 14:[2, 16] Operation: 6+10=16 Moving to Node #0,0,0 Current State: 14:[2, 16], Operations: ['25-23=2', '6+10=16'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 78, 69, 34, 2 ]
27
[ "78-69=9", "34+2=36", "36-9=27" ]
Current State: 27:[78, 69, 34, 2], Operations: [] Exploring Operation: 78-69=9, Resulting Numbers: [34, 2, 9] Generated Node #2: [34, 2, 9] from Operation: 78-69=9 Current State: 27:[34, 2, 9], Operations: ['78-69=9'] Exploring Operation: 34+2=36, Resulting Numbers: [9, 36] Generated Node #3: [9, 36] from Operation: 34+2=36 Current State: 27:[9, 36], Operations: ['78-69=9', '34+2=36'] Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[78, 69, 34, 2], Operations: [] Exploring Operation: 78-34=44, Resulting Numbers: [69, 2, 44] Generated Node #0,0: 27:[69, 2, 44] Operation: 78-34=44 Exploring Operation: 78/2=39, Resulting Numbers: [69, 34, 39] Generated Node #0,1: 27:[69, 34, 39] Operation: 78/2=39 Exploring Operation: 78-69=9, Resulting Numbers: [34, 2, 9] Generated Node #0,2: 27:[34, 2, 9] Operation: 78-69=9 Exploring Operation: 69-34=35, Resulting Numbers: [78, 2, 35] Generated Node #0,3: 27:[78, 2, 35] Operation: 69-34=35 Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[34, 2, 9], Operations: ['78-69=9'] Exploring Operation: 34-2=32, Resulting Numbers: [9, 32] Generated Node #0,2,0: 27:[9, 32] Operation: 34-2=32 Exploring Operation: 34+2=36, Resulting Numbers: [9, 36] Generated Node #0,2,1: 27:[9, 36] Operation: 34+2=36 Exploring Operation: 34/2=17, Resulting Numbers: [9, 17] Generated Node #0,2,2: 27:[9, 17] Operation: 34/2=17 Exploring Operation: 34-9=25, Resulting Numbers: [2, 25] Generated Node #0,2,3: 27:[2, 25] Operation: 34-9=25 Moving to Node #0,2,3 Current State: 27:[2, 25], Operations: ['78-69=9', '34-9=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[78, 69, 34, 2], Operations: [] Exploring Operation: 78-69=9, Resulting Numbers: [34, 2, 9] Generated Node #0,2: 27:[34, 2, 9] Operation: 78-69=9 Moving to Node #0,2 Current State: 27:[34, 2, 9], Operations: ['78-69=9'] Exploring Operation: 34-9=25, Resulting Numbers: [2, 25] Generated Node #0,2,3: 27:[2, 25] Operation: 34-9=25 Moving to Node #0,2,3 Current State: 27:[2, 25], Operations: ['78-69=9', '34-9=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 32, 98, 21, 41 ]
46
[ "98-32=66", "41-21=20", "66-20=46" ]
Current State: 46:[32, 98, 21, 41], Operations: [] Exploring Operation: 98-32=66, Resulting Numbers: [21, 41, 66] Generated Node #2: [21, 41, 66] from Operation: 98-32=66 Current State: 46:[21, 41, 66], Operations: ['98-32=66'] Exploring Operation: 41-21=20, Resulting Numbers: [66, 20] Generated Node #3: [66, 20] from Operation: 41-21=20 Current State: 46:[66, 20], Operations: ['98-32=66', '41-21=20'] Exploring Operation: 66-20=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[32, 98, 21, 41], Operations: [] Exploring Operation: 41-32=9, Resulting Numbers: [98, 21, 9] Generated Node #0,0: 46:[98, 21, 9] Operation: 41-32=9 Exploring Operation: 98-41=57, Resulting Numbers: [32, 21, 57] Generated Node #0,1: 46:[32, 21, 57] Operation: 98-41=57 Exploring Operation: 98-21=77, Resulting Numbers: [32, 41, 77] Generated Node #0,2: 46:[32, 41, 77] Operation: 98-21=77 Exploring Operation: 98-32=66, Resulting Numbers: [21, 41, 66] Generated Node #0,3: 46:[21, 41, 66] Operation: 98-32=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[32, 21, 57], Operations: ['98-41=57'] Exploring Operation: 32+21=53, Resulting Numbers: [57, 53] Generated Node #0,1,0: 46:[57, 53] Operation: 32+21=53 Exploring Operation: 32-21=11, Resulting Numbers: [57, 11] Generated Node #0,1,1: 46:[57, 11] Operation: 32-21=11 Exploring Operation: 57-21=36, Resulting Numbers: [32, 36] Generated Node #0,1,2: 46:[32, 36] Operation: 57-21=36 Exploring Operation: 57-32=25, Resulting Numbers: [21, 25] Generated Node #0,1,3: 46:[21, 25] Operation: 57-32=25 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 46:[21, 25], Operations: ['98-41=57', '57-32=25'] Exploring Operation: 25-21=4, Resulting Numbers: [4] 4,46 unequal: No Solution Exploring Operation: 21*25=525, Resulting Numbers: [525] 525,46 unequal: No Solution Exploring Operation: 21+25=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[32, 98, 21, 41], Operations: [] Exploring Operation: 98-41=57, Resulting Numbers: [32, 21, 57] Generated Node #0,1: 46:[32, 21, 57] Operation: 98-41=57 Moving to Node #0,1 Current State: 46:[32, 21, 57], Operations: ['98-41=57'] Exploring Operation: 57-32=25, Resulting Numbers: [21, 25] Generated Node #0,1,3: 46:[21, 25] Operation: 57-32=25 Moving to Node #0,1,3 Current State: 46:[21, 25], Operations: ['98-41=57', '57-32=25'] Exploring Operation: 21+25=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 3, 33, 13, 38 ]
50
[ "13-3=10", "38-33=5", "10*5=50" ]
Current State: 50:[3, 33, 13, 38], Operations: [] Exploring Operation: 13-3=10, Resulting Numbers: [33, 38, 10] Generated Node #2: [33, 38, 10] from Operation: 13-3=10 Current State: 50:[33, 38, 10], Operations: ['13-3=10'] Exploring Operation: 38-33=5, Resulting Numbers: [10, 5] Generated Node #3: [10, 5] from Operation: 38-33=5 Current State: 50:[10, 5], Operations: ['13-3=10', '38-33=5'] Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[3, 33, 13, 38], Operations: [] Exploring Operation: 38-33=5, Resulting Numbers: [3, 13, 5] Generated Node #0,0: 50:[3, 13, 5] Operation: 38-33=5 Moving to Node #0,0 Current State: 50:[3, 13, 5], Operations: ['38-33=5'] Exploring Operation: 13-3=10, Resulting Numbers: [5, 10] Generated Node #0,0,0: 50:[5, 10] Operation: 13-3=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[5, 10], Operations: ['38-33=5', '13-3=10'] Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[3, 33, 13, 38], Operations: [] Exploring Operation: 38-33=5, Resulting Numbers: [3, 13, 5] Generated Node #0,0: 50:[3, 13, 5] Operation: 38-33=5 Moving to Node #0,0 Current State: 50:[3, 13, 5], Operations: ['38-33=5'] Exploring Operation: 13-3=10, Resulting Numbers: [5, 10] Generated Node #0,0,0: 50:[5, 10] Operation: 13-3=10 Moving to Node #0,0,0 Current State: 50:[5, 10], Operations: ['38-33=5', '13-3=10'] Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 22, 4, 50, 48 ]
11
[ "50-4=46", "48-46=2", "22/2=11" ]
Current State: 11:[22, 4, 50, 48], Operations: [] Exploring Operation: 50-4=46, Resulting Numbers: [22, 48, 46] Generated Node #2: [22, 48, 46] from Operation: 50-4=46 Current State: 11:[22, 48, 46], Operations: ['50-4=46'] Exploring Operation: 48-46=2, Resulting Numbers: [22, 2] Generated Node #3: [22, 2] from Operation: 48-46=2 Current State: 11:[22, 2], Operations: ['50-4=46', '48-46=2'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[22, 4, 50, 48], Operations: [] Exploring Operation: 22-4=18, Resulting Numbers: [50, 48, 18] Generated Node #0,0: 11:[50, 48, 18] Operation: 22-4=18 Exploring Operation: 48/4=12, Resulting Numbers: [22, 50, 12] Generated Node #0,1: 11:[22, 50, 12] Operation: 48/4=12 Exploring Operation: 50-48=2, Resulting Numbers: [22, 4, 2] Generated Node #0,2: 11:[22, 4, 2] Operation: 50-48=2 Exploring Operation: 48-22=26, Resulting Numbers: [4, 50, 26] Generated Node #0,3: 11:[4, 50, 26] Operation: 48-22=26 Exploring Operation: 50-22=28, Resulting Numbers: [4, 48, 28] Generated Node #0,4: 11:[4, 48, 28] Operation: 50-22=28 Moving to Node #0,2 Current State: 11:[22, 4, 2], Operations: ['50-48=2'] Exploring Operation: 22-4=18, Resulting Numbers: [2, 18] Generated Node #0,2,0: 11:[2, 18] Operation: 22-4=18 Exploring Operation: 22-2=20, Resulting Numbers: [4, 20] Generated Node #0,2,1: 11:[4, 20] Operation: 22-2=20 Exploring Operation: 4+2=6, Resulting Numbers: [22, 6] Generated Node #0,2,2: 11:[22, 6] Operation: 4+2=6 Exploring Operation: 4*2=8, Resulting Numbers: [22, 8] Generated Node #0,2,3: 11:[22, 8] Operation: 4*2=8 Exploring Operation: 22/2=11, Resulting Numbers: [4, 11] Generated Node #0,2,4: 11:[4, 11] Operation: 22/2=11 Moving to Node #0,1 Current State: 11:[22, 50, 12], Operations: ['48/4=12'] Exploring Operation: 22+50=72, Resulting Numbers: [12, 72] Generated Node #0,1,0: 11:[12, 72] Operation: 22+50=72 Exploring Operation: 50-22=28, Resulting Numbers: [12, 28] Generated Node #0,1,1: 11:[12, 28] Operation: 50-22=28 Exploring Operation: 22-12=10, Resulting Numbers: [50, 10] Generated Node #0,1,2: 11:[50, 10] Operation: 22-12=10 Exploring Operation: 22+12=34, Resulting Numbers: [50, 34] Generated Node #0,1,3: 11:[50, 34] Operation: 22+12=34 Exploring Operation: 50-12=38, Resulting Numbers: [22, 38] Generated Node #0,1,4: 11:[22, 38] Operation: 50-12=38 Moving to Node #0,3 Current State: 11:[4, 50, 26], Operations: ['48-22=26'] Exploring Operation: 4+50=54, Resulting Numbers: [26, 54] Generated Node #0,3,0: 11:[26, 54] Operation: 4+50=54 Exploring Operation: 26-4=22, Resulting Numbers: [50, 22] Generated Node #0,3,1: 11:[50, 22] Operation: 26-4=22 Exploring Operation: 50-4=46, Resulting Numbers: [26, 46] Generated Node #0,3,2: 11:[26, 46] Operation: 50-4=46 Exploring Operation: 4+26=30, Resulting Numbers: [50, 30] Generated Node #0,3,3: 11:[50, 30] Operation: 4+26=30 Exploring Operation: 50-26=24, Resulting Numbers: [4, 24] Generated Node #0,3,4: 11:[4, 24] Operation: 50-26=24 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 11:[4, 24], Operations: ['48-22=26', '50-26=24'] Exploring Operation: 4*24=96, Resulting Numbers: [96] 96,11 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,11 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 11:[50, 22], Operations: ['48-22=26', '26-4=22'] Exploring Operation: 50*22=1100, Resulting Numbers: [1100] 1100,11 unequal: No Solution Exploring Operation: 50+22=72, Resulting Numbers: [72] 72,11 unequal: No Solution Exploring Operation: 50-22=28, Resulting Numbers: [28] 28,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 11:[26, 46], Operations: ['48-22=26', '50-4=46'] Exploring Operation: 26*46=1196, Resulting Numbers: [1196] 1196,11 unequal: No Solution Exploring Operation: 26+46=72, Resulting Numbers: [72] 72,11 unequal: No Solution Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 11:[26, 54], Operations: ['48-22=26', '4+50=54'] Exploring Operation: 54-26=28, Resulting Numbers: [28] 28,11 unequal: No Solution Exploring Operation: 26*54=1404, Resulting Numbers: [1404] 1404,11 unequal: No Solution Exploring Operation: 26+54=80, Resulting Numbers: [80] 80,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 11:[50, 30], Operations: ['48-22=26', '4+26=30'] Exploring Operation: 50+30=80, Resulting Numbers: [80] 80,11 unequal: No Solution Exploring Operation: 50-30=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 50*30=1500, Resulting Numbers: [1500] 1500,11 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: 11:[4, 48, 28], Operations: ['50-22=28'] Exploring Operation: 48-28=20, Resulting Numbers: [4, 20] Generated Node #0,4,0: 11:[4, 20] Operation: 48-28=20 Exploring Operation: 28/4=7, Resulting Numbers: [48, 7] Generated Node #0,4,1: 11:[48, 7] Operation: 28/4=7 Exploring Operation: 28-4=24, Resulting Numbers: [48, 24] Generated Node #0,4,2: 11:[48, 24] Operation: 28-4=24 Exploring Operation: 48/4=12, Resulting Numbers: [28, 12] Generated Node #0,4,3: 11:[28, 12] Operation: 48/4=12 Exploring Operation: 48-4=44, Resulting Numbers: [28, 44] Generated Node #0,4,4: 11:[28, 44] Operation: 48-4=44 Moving to Node #0,0 Current State: 11:[50, 48, 18], Operations: ['22-4=18'] Exploring Operation: 48-18=30, Resulting Numbers: [50, 30] Generated Node #0,0,0: 11:[50, 30] Operation: 48-18=30 Exploring Operation: 50-48=2, Resulting Numbers: [18, 2] Generated Node #0,0,1: 11:[18, 2] Operation: 50-48=2 Exploring Operation: 50-18=32, Resulting Numbers: [48, 32] Generated Node #0,0,2: 11:[48, 32] Operation: 50-18=32 Exploring Operation: 50+18=68, Resulting Numbers: [48, 68] Generated Node #0,0,3: 11:[48, 68] Operation: 50+18=68 Exploring Operation: 50+48=98, Resulting Numbers: [18, 98] Generated Node #0,0,4: 11:[18, 98] Operation: 50+48=98 Moving to Node #0,2,4 Current State: 11:[4, 11], Operations: ['50-48=2', '22/2=11'] Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,11 unequal: No Solution Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,11 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,11 unequal: No Solution Moving to Node #0,2,3 Current State: 11:[22, 8], Operations: ['50-48=2', '4*2=8'] Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,11 unequal: No Solution Exploring Operation: 22*8=176, Resulting Numbers: [176] 176,11 unequal: No Solution Exploring Operation: 22+8=30, Resulting Numbers: [30] 30,11 unequal: No Solution Moving to Node #0,2,0 Current State: 11:[2, 18], Operations: ['50-48=2', '22-4=18'] Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,11 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,11 unequal: No Solution Moving to Node #0,2,2 Current State: 11:[22, 6], Operations: ['50-48=2', '4+2=6'] Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,11 unequal: No Solution Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,11 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,11 unequal: No Solution Moving to Node #0,4,0 Current State: 11:[4, 20], Operations: ['50-22=28', '48-28=20'] Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,11 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,11 unequal: No Solution Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,11 unequal: No Solution Moving to Node #0,2,1 Current State: 11:[4, 20], Operations: ['50-48=2', '22-2=20'] Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,11 unequal: No Solution Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,11 unequal: No Solution Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,11 unequal: No Solution Moving to Node #0,0,1 Current State: 11:[18, 2], Operations: ['22-4=18', '50-48=2'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,11 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,11 unequal: No Solution Moving to Node #0,1,1 Current State: 11:[12, 28], Operations: ['48/4=12', '50-22=28'] Exploring Operation: 12*28=336, Resulting Numbers: [336] 336,11 unequal: No Solution Exploring Operation: 12+28=40, Resulting Numbers: [40] 40,11 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,11 unequal: No Solution Moving to Node #0,4,3 Current State: 11:[28, 12], Operations: ['50-22=28', '48/4=12'] Exploring Operation: 28+12=40, Resulting Numbers: [40] 40,11 unequal: No Solution Exploring Operation: 28*12=336, Resulting Numbers: [336] 336,11 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,11 unequal: No Solution Moving to Node #0,1,4 Current State: 11:[22, 38], Operations: ['48/4=12', '50-12=38'] Exploring Operation: 22+38=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 22*38=836, Resulting Numbers: [836] 836,11 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,11 unequal: No Solution Moving to Node #0,1,2 Current State: 11:[50, 10], Operations: ['48/4=12', '22-12=10'] Exploring Operation: 50*10=500, Resulting Numbers: [500] 500,11 unequal: No Solution Exploring Operation: 50+10=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 50-10=40, Resulting Numbers: [40] 40,11 unequal: No Solution Exploring Operation: 50/10=5, Resulting Numbers: [5] 5,11 unequal: No Solution Moving to Node #0,4,1 Current State: 11:[48, 7], Operations: ['50-22=28', '28/4=7'] Exploring Operation: 48*7=336, Resulting Numbers: [336] 336,11 unequal: No Solution Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,11 unequal: No Solution Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,11 unequal: No Solution Moving to Node #0,4,2 Current State: 11:[48, 24], Operations: ['50-22=28', '28-4=24'] Exploring Operation: 48*24=1152, Resulting Numbers: [1152] 1152,11 unequal: No Solution Exploring Operation: 48+24=72, Resulting Numbers: [72] 72,11 unequal: No Solution Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,11 unequal: No Solution Moving to Node #0,4,4 Current State: 11:[28, 44], Operations: ['50-22=28', '48-4=44'] Exploring Operation: 28*44=1232, Resulting Numbers: [1232] 1232,11 unequal: No Solution Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,11 unequal: No Solution Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,11 unequal: No Solution Moving to Node #0,0,2 Current State: 11:[48, 32], Operations: ['22-4=18', '50-18=32'] Exploring Operation: 48+32=80, Resulting Numbers: [80] 80,11 unequal: No Solution Exploring Operation: 48*32=1536, Resulting Numbers: [1536] 1536,11 unequal: No Solution Exploring Operation: 48-32=16, Resulting Numbers: [16] 16,11 unequal: No Solution Moving to Node #0,0,0 Current State: 11:[50, 30], Operations: ['22-4=18', '48-18=30'] Exploring Operation: 50*30=1500, Resulting Numbers: [1500] 1500,11 unequal: No Solution Exploring Operation: 50-30=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 50+30=80, Resulting Numbers: [80] 80,11 unequal: No Solution Moving to Node #0,1,0 Current State: 11:[12, 72], Operations: ['48/4=12', '22+50=72'] Exploring Operation: 72-12=60, Resulting Numbers: [60] 60,11 unequal: No Solution Exploring Operation: 12*72=864, Resulting Numbers: [864] 864,11 unequal: No Solution Exploring Operation: 12+72=84, Resulting Numbers: [84] 84,11 unequal: No Solution Exploring Operation: 72/12=6, Resulting Numbers: [6] 6,11 unequal: No Solution Moving to Node #0,1,3 Current State: 11:[50, 34], Operations: ['48/4=12', '22+12=34'] Exploring Operation: 50+34=84, Resulting Numbers: [84] 84,11 unequal: No Solution Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 50*34=1700, Resulting Numbers: [1700] 1700,11 unequal: No Solution Moving to Node #0,0,4 Current State: 11:[18, 98], Operations: ['22-4=18', '50+48=98'] Exploring Operation: 18*98=1764, Resulting Numbers: [1764] 1764,11 unequal: No Solution Exploring Operation: 98-18=80, Resulting Numbers: [80] 80,11 unequal: No Solution Exploring Operation: 18+98=116, Resulting Numbers: [116] 116,11 unequal: No Solution Moving to Node #0,0,3 Current State: 11:[48, 68], Operations: ['22-4=18', '50+18=68'] Exploring Operation: 48+68=116, Resulting Numbers: [116] 116,11 unequal: No Solution Exploring Operation: 68-48=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 48*68=3264, Resulting Numbers: [3264] 3264,11 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 2, 19, 38, 11 ]
44
[ "19-2=17", "38-11=27", "17+27=44" ]
Current State: 44:[2, 19, 38, 11], Operations: [] Exploring Operation: 19-2=17, Resulting Numbers: [38, 11, 17] Generated Node #2: [38, 11, 17] from Operation: 19-2=17 Current State: 44:[38, 11, 17], Operations: ['19-2=17'] Exploring Operation: 38-11=27, Resulting Numbers: [17, 27] Generated Node #3: [17, 27] from Operation: 38-11=27 Current State: 44:[17, 27], Operations: ['19-2=17', '38-11=27'] Exploring Operation: 17+27=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[2, 19, 38, 11], Operations: [] Exploring Operation: 2+38=40, Resulting Numbers: [19, 11, 40] Generated Node #0,0: 44:[19, 11, 40] Operation: 2+38=40 Exploring Operation: 38/2=19, Resulting Numbers: [19, 11, 19] Generated Node #0,1: 44:[19, 11, 19] Operation: 38/2=19 Exploring Operation: 38/19=2, Resulting Numbers: [2, 11, 2] Generated Node #0,2: 44:[2, 11, 2] Operation: 38/19=2 Exploring Operation: 2+19=21, Resulting Numbers: [38, 11, 21] Generated Node #0,3: 44:[38, 11, 21] Operation: 2+19=21 Exploring Operation: 38-19=19, Resulting Numbers: [2, 11, 19] Generated Node #0,4: 44:[2, 11, 19] Operation: 38-19=19 Moving to Node #0,2 Current State: 44:[2, 11, 2], Operations: ['38/19=2'] Exploring Operation: 2*2=4, Resulting Numbers: [11, 4] Generated Node #0,2,0: 44:[11, 4] Operation: 2*2=4 Exploring Operation: 2+2=4, Resulting Numbers: [11, 4] Generated Node #0,2,1: 44:[11, 4] Operation: 2+2=4 Exploring Operation: 2/2=1, Resulting Numbers: [11, 1] Generated Node #0,2,2: 44:[11, 1] Operation: 2/2=1 Exploring Operation: 2*11=22, Resulting Numbers: [2, 22] Generated Node #0,2,3: 44:[2, 22] Operation: 2*11=22 Exploring Operation: 11*2=22, Resulting Numbers: [2, 22] Generated Node #0,2,4: 44:[2, 22] Operation: 11*2=22 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 44:[11, 4], Operations: ['38/19=2', '2*2=4'] Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,44 unequal: No Solution Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[2, 19, 38, 11], Operations: [] Exploring Operation: 38/19=2, Resulting Numbers: [2, 11, 2] Generated Node #0,2: 44:[2, 11, 2] Operation: 38/19=2 Moving to Node #0,2 Current State: 44:[2, 11, 2], Operations: ['38/19=2'] Exploring Operation: 2*2=4, Resulting Numbers: [11, 4] Generated Node #0,2,0: 44:[11, 4] Operation: 2*2=4 Moving to Node #0,2,0 Current State: 44:[11, 4], Operations: ['38/19=2', '2*2=4'] Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 87, 21, 95, 69 ]
56
[ "87+21=108", "95+69=164", "164-108=56" ]
Current State: 56:[87, 21, 95, 69], Operations: [] Exploring Operation: 87+21=108, Resulting Numbers: [95, 69, 108] Generated Node #2: [95, 69, 108] from Operation: 87+21=108 Current State: 56:[95, 69, 108], Operations: ['87+21=108'] Exploring Operation: 95+69=164, Resulting Numbers: [108, 164] Generated Node #3: [108, 164] from Operation: 95+69=164 Current State: 56:[108, 164], Operations: ['87+21=108', '95+69=164'] Exploring Operation: 164-108=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[87, 21, 95, 69], Operations: [] Exploring Operation: 95-87=8, Resulting Numbers: [21, 69, 8] Generated Node #0,0: 56:[21, 69, 8] Operation: 95-87=8 Moving to Node #0,0 Current State: 56:[21, 69, 8], Operations: ['95-87=8'] Exploring Operation: 69-21=48, Resulting Numbers: [8, 48] Generated Node #0,0,0: 56:[8, 48] Operation: 69-21=48 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[8, 48], Operations: ['95-87=8', '69-21=48'] Exploring Operation: 8+48=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[87, 21, 95, 69], Operations: [] Exploring Operation: 95-87=8, Resulting Numbers: [21, 69, 8] Generated Node #0,0: 56:[21, 69, 8] Operation: 95-87=8 Moving to Node #0,0 Current State: 56:[21, 69, 8], Operations: ['95-87=8'] Exploring Operation: 69-21=48, Resulting Numbers: [8, 48] Generated Node #0,0,0: 56:[8, 48] Operation: 69-21=48 Moving to Node #0,0,0 Current State: 56:[8, 48], Operations: ['95-87=8', '69-21=48'] Exploring Operation: 8+48=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 69, 95, 29, 23 ]
78
[ "95-69=26", "29+23=52", "26+52=78" ]
Current State: 78:[69, 95, 29, 23], Operations: [] Exploring Operation: 95-69=26, Resulting Numbers: [29, 23, 26] Generated Node #2: [29, 23, 26] from Operation: 95-69=26 Current State: 78:[29, 23, 26], Operations: ['95-69=26'] Exploring Operation: 29+23=52, Resulting Numbers: [26, 52] Generated Node #3: [26, 52] from Operation: 29+23=52 Current State: 78:[26, 52], Operations: ['95-69=26', '29+23=52'] Exploring Operation: 26+52=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[69, 95, 29, 23], Operations: [] Exploring Operation: 95-69=26, Resulting Numbers: [29, 23, 26] Generated Node #0,0: 78:[29, 23, 26] Operation: 95-69=26 Moving to Node #0,0 Current State: 78:[29, 23, 26], Operations: ['95-69=26'] Exploring Operation: 29-23=6, Resulting Numbers: [26, 6] Generated Node #0,0,0: 78:[26, 6] Operation: 29-23=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[26, 6], Operations: ['95-69=26', '29-23=6'] Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,78 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
[ 34, 46, 28, 96 ]
16
[ "34*46=1564", "1564-28=1536", "1536/96=16" ]
Current State: 16:[34, 46, 28, 96], Operations: [] Exploring Operation: 34*46=1564, Resulting Numbers: [28, 96, 1564] Generated Node #2: [28, 96, 1564] from Operation: 34*46=1564 Current State: 16:[28, 96, 1564], Operations: ['34*46=1564'] Exploring Operation: 1564-28=1536, Resulting Numbers: [96, 1536] Generated Node #3: [96, 1536] from Operation: 1564-28=1536 Current State: 16:[96, 1536], Operations: ['34*46=1564', '1564-28=1536'] Exploring Operation: 1536/96=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[34, 46, 28, 96], Operations: [] Exploring Operation: 96-34=62, Resulting Numbers: [46, 28, 62] Generated Node #0,0: 16:[46, 28, 62] Operation: 96-34=62 Exploring Operation: 46-28=18, Resulting Numbers: [34, 96, 18] Generated Node #0,1: 16:[34, 96, 18] Operation: 46-28=18 Exploring Operation: 46-34=12, Resulting Numbers: [28, 96, 12] Generated Node #0,2: 16:[28, 96, 12] Operation: 46-34=12 Exploring Operation: 96-46=50, Resulting Numbers: [34, 28, 50] Generated Node #0,3: 16:[34, 28, 50] Operation: 96-46=50 Moving to Node #0,3 Current State: 16:[34, 28, 50], Operations: ['96-46=50'] Exploring Operation: 50-34=16, Resulting Numbers: [28, 16] Generated Node #0,3,0: 16:[28, 16] Operation: 50-34=16 Exploring Operation: 34+28=62, Resulting Numbers: [50, 62] Generated Node #0,3,1: 16:[50, 62] Operation: 34+28=62 Exploring Operation: 50-28=22, Resulting Numbers: [34, 22] Generated Node #0,3,2: 16:[34, 22] Operation: 50-28=22 Exploring Operation: 34-28=6, Resulting Numbers: [50, 6] Generated Node #0,3,3: 16:[50, 6] Operation: 34-28=6 Moving to Node #0,0 Current State: 16:[46, 28, 62], Operations: ['96-34=62'] Exploring Operation: 62-28=34, Resulting Numbers: [46, 34] Generated Node #0,0,0: 16:[46, 34] Operation: 62-28=34 Exploring Operation: 46+28=74, Resulting Numbers: [62, 74] Generated Node #0,0,1: 16:[62, 74] Operation: 46+28=74 Exploring Operation: 62-46=16, Resulting Numbers: [28, 16] Generated Node #0,0,2: 16:[28, 16] Operation: 62-46=16 Exploring Operation: 46-28=18, Resulting Numbers: [62, 18] Generated Node #0,0,3: 16:[62, 18] Operation: 46-28=18 Moving to Node #0,2 Current State: 16:[28, 96, 12], Operations: ['46-34=12'] Exploring Operation: 96/12=8, Resulting Numbers: [28, 8] Generated Node #0,2,0: 16:[28, 8] Operation: 96/12=8 Exploring Operation: 96-28=68, Resulting Numbers: [12, 68] Generated Node #0,2,1: 16:[12, 68] Operation: 96-28=68 Exploring Operation: 28-12=16, Resulting Numbers: [96, 16] Generated Node #0,2,2: 16:[96, 16] Operation: 28-12=16 Exploring Operation: 96-12=84, Resulting Numbers: [28, 84] Generated Node #0,2,3: 16:[28, 84] Operation: 96-12=84 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 16:[28, 8], Operations: ['46-34=12', '96/12=8'] Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,16 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 28*8=224, Resulting Numbers: [224] 224,16 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 #0,2,1 Current State: 16:[12, 68], Operations: ['46-34=12', '96-28=68'] Exploring Operation: 12*68=816, Resulting Numbers: [816] 816,16 unequal: No Solution Exploring Operation: 68-12=56, Resulting Numbers: [56] 56,16 unequal: No Solution Exploring Operation: 12+68=80, Resulting Numbers: [80] 80,16 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 #0,2,2 Current State: 16:[96, 16], Operations: ['46-34=12', '28-12=16'] Exploring Operation: 96/16=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 96+16=112, Resulting Numbers: [112] 112,16 unequal: No Solution Exploring Operation: 96-16=80, Resulting Numbers: [80] 80,16 unequal: No Solution Exploring Operation: 96*16=1536, Resulting Numbers: [1536] 1536,16 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 #0,2,3 Current State: 16:[28, 84], Operations: ['46-34=12', '96-12=84'] Exploring Operation: 84-28=56, Resulting Numbers: [56] 56,16 unequal: No Solution Exploring Operation: 84/28=3, Resulting Numbers: [3] 3,16 unequal: No Solution Exploring Operation: 28*84=2352, Resulting Numbers: [2352] 2352,16 unequal: No Solution Exploring Operation: 28+84=112, Resulting Numbers: [112] 112,16 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: 16:[34, 96, 18], Operations: ['46-28=18'] Exploring Operation: 96-18=78, Resulting Numbers: [34, 78] Generated Node #0,1,0: 16:[34, 78] Operation: 96-18=78 Exploring Operation: 34-18=16, Resulting Numbers: [96, 16] Generated Node #0,1,1: 16:[96, 16] Operation: 34-18=16 Exploring Operation: 34+96=130, Resulting Numbers: [18, 130] Generated Node #0,1,2: 16:[18, 130] Operation: 34+96=130 Exploring Operation: 96-34=62, Resulting Numbers: [18, 62] Generated Node #0,1,3: 16:[18, 62] Operation: 96-34=62 Moving to Node #0,3,0 Current State: 16:[28, 16], Operations: ['96-46=50', '50-34=16'] Exploring Operation: 28*16=448, Resulting Numbers: [448] 448,16 unequal: No Solution Exploring Operation: 28+16=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[28, 16], Operations: ['96-34=62', '62-46=16'] Exploring Operation: 28+16=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 28*16=448, Resulting Numbers: [448] 448,16 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,16 unequal: No Solution Moving to Node #0,3,2 Current State: 16:[34, 22], Operations: ['96-46=50', '50-28=22'] Exploring Operation: 34*22=748, Resulting Numbers: [748] 748,16 unequal: No Solution Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 34+22=56, Resulting Numbers: [56] 56,16 unequal: No Solution Moving to Node #0,3,3 Current State: 16:[50, 6], Operations: ['96-46=50', '34-28=6'] Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,16 unequal: No Solution Exploring Operation: 50*6=300, Resulting Numbers: [300] 300,16 unequal: No Solution Moving to Node #0,0,3 Current State: 16:[62, 18], Operations: ['96-34=62', '46-28=18'] Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 62+18=80, Resulting Numbers: [80] 80,16 unequal: No Solution Exploring Operation: 62*18=1116, Resulting Numbers: [1116] 1116,16 unequal: No Solution Moving to Node #0,0,0 Current State: 16:[46, 34], Operations: ['96-34=62', '62-28=34'] Exploring Operation: 46*34=1564, Resulting Numbers: [1564] 1564,16 unequal: No Solution Exploring Operation: 46-34=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 46+34=80, Resulting Numbers: [80] 80,16 unequal: No Solution Moving to Node #0,1,3 Current State: 16:[18, 62], Operations: ['46-28=18', '96-34=62'] Exploring Operation: 18+62=80, Resulting Numbers: [80] 80,16 unequal: No Solution Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 18*62=1116, Resulting Numbers: [1116] 1116,16 unequal: No Solution Moving to Node #0,1,0 Current State: 16:[34, 78], Operations: ['46-28=18', '96-18=78'] Exploring Operation: 34+78=112, Resulting Numbers: [112] 112,16 unequal: No Solution Exploring Operation: 78-34=44, Resulting Numbers: [44] 44,16 unequal: No Solution Exploring Operation: 34*78=2652, Resulting Numbers: [2652] 2652,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[96, 16], Operations: ['46-28=18', '34-18=16'] Exploring Operation: 96/16=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 96*16=1536, Resulting Numbers: [1536] 1536,16 unequal: No Solution Exploring Operation: 96+16=112, Resulting Numbers: [112] 112,16 unequal: No Solution Exploring Operation: 96-16=80, Resulting Numbers: [80] 80,16 unequal: No Solution Moving to Node #0,3,1 Current State: 16:[50, 62], Operations: ['96-46=50', '34+28=62'] Exploring Operation: 50+62=112, Resulting Numbers: [112] 112,16 unequal: No Solution Exploring Operation: 62-50=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 50*62=3100, Resulting Numbers: [3100] 3100,16 unequal: No Solution Moving to Node #0,0,1 Current State: 16:[62, 74], Operations: ['96-34=62', '46+28=74'] Exploring Operation: 74-62=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 62+74=136, Resulting Numbers: [136] 136,16 unequal: No Solution Exploring Operation: 62*74=4588, Resulting Numbers: [4588] 4588,16 unequal: No Solution Moving to Node #0,1,2 Current State: 16:[18, 130], Operations: ['46-28=18', '34+96=130'] Exploring Operation: 18*130=2340, Resulting Numbers: [2340] 2340,16 unequal: No Solution Exploring Operation: 130-18=112, Resulting Numbers: [112] 112,16 unequal: No Solution Exploring Operation: 18+130=148, Resulting Numbers: [148] 148,16 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 87, 44, 45, 64 ]
61
[ "87+45=132", "132/44=3", "64-3=61" ]
Current State: 61:[87, 44, 45, 64], Operations: [] Exploring Operation: 87+45=132, Resulting Numbers: [44, 64, 132] Generated Node #2: [44, 64, 132] from Operation: 87+45=132 Current State: 61:[44, 64, 132], Operations: ['87+45=132'] Exploring Operation: 132/44=3, Resulting Numbers: [64, 3] Generated Node #3: [64, 3] from Operation: 132/44=3 Current State: 61:[64, 3], Operations: ['87+45=132', '132/44=3'] Exploring Operation: 64-3=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[87, 44, 45, 64], Operations: [] Exploring Operation: 87-45=42, Resulting Numbers: [44, 64, 42] Generated Node #0,0: 61:[44, 64, 42] Operation: 87-45=42 Exploring Operation: 87-64=23, Resulting Numbers: [44, 45, 23] Generated Node #0,1: 61:[44, 45, 23] Operation: 87-64=23 Exploring Operation: 44+45=89, Resulting Numbers: [87, 64, 89] Generated Node #0,2: 61:[87, 64, 89] Operation: 44+45=89 Exploring Operation: 87-44=43, Resulting Numbers: [45, 64, 43] Generated Node #0,3: 61:[45, 64, 43] Operation: 87-44=43 Moving to Node #0,3 Current State: 61:[45, 64, 43], Operations: ['87-44=43'] Exploring Operation: 64-43=21, Resulting Numbers: [45, 21] Generated Node #0,3,0: 61:[45, 21] Operation: 64-43=21 Exploring Operation: 45-43=2, Resulting Numbers: [64, 2] Generated Node #0,3,1: 61:[64, 2] Operation: 45-43=2 Exploring Operation: 64-45=19, Resulting Numbers: [43, 19] Generated Node #0,3,2: 61:[43, 19] Operation: 64-45=19 Exploring Operation: 45+43=88, Resulting Numbers: [64, 88] Generated Node #0,3,3: 61:[64, 88] Operation: 45+43=88 Moving to Node #0,0 Current State: 61:[44, 64, 42], Operations: ['87-45=42'] Exploring Operation: 44-42=2, Resulting Numbers: [64, 2] Generated Node #0,0,0: 61:[64, 2] Operation: 44-42=2 Exploring Operation: 64-42=22, Resulting Numbers: [44, 22] Generated Node #0,0,1: 61:[44, 22] Operation: 64-42=22 Exploring Operation: 44+42=86, Resulting Numbers: [64, 86] Generated Node #0,0,2: 61:[64, 86] Operation: 44+42=86 Exploring Operation: 64-44=20, Resulting Numbers: [42, 20] Generated Node #0,0,3: 61:[42, 20] Operation: 64-44=20 Moving to Node #0,2 Current State: 61:[87, 64, 89], Operations: ['44+45=89'] Exploring Operation: 87-64=23, Resulting Numbers: [89, 23] Generated Node #0,2,0: 61:[89, 23] Operation: 87-64=23 Exploring Operation: 89-64=25, Resulting Numbers: [87, 25] Generated Node #0,2,1: 61:[87, 25] Operation: 89-64=25 Exploring Operation: 89-87=2, Resulting Numbers: [64, 2] Generated Node #0,2,2: 61:[64, 2] Operation: 89-87=2 Exploring Operation: 87+64=151, Resulting Numbers: [89, 151] Generated Node #0,2,3: 61:[89, 151] Operation: 87+64=151 Moving to Node #0,1 Current State: 61:[44, 45, 23], Operations: ['87-64=23'] Exploring Operation: 44+23=67, Resulting Numbers: [45, 67] Generated Node #0,1,0: 61:[45, 67] Operation: 44+23=67 Exploring Operation: 44-23=21, Resulting Numbers: [45, 21] Generated Node #0,1,1: 61:[45, 21] Operation: 44-23=21 Exploring Operation: 45-23=22, Resulting Numbers: [44, 22] Generated Node #0,1,2: 61:[44, 22] Operation: 45-23=22 Exploring Operation: 45+23=68, Resulting Numbers: [44, 68] Generated Node #0,1,3: 61:[44, 68] Operation: 45+23=68 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[45, 67], Operations: ['87-64=23', '44+23=67'] Exploring Operation: 45+67=112, Resulting Numbers: [112] 112,61 unequal: No Solution Exploring Operation: 67-45=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 45*67=3015, Resulting Numbers: [3015] 3015,61 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 #0,1,3 Current State: 61:[44, 68], Operations: ['87-64=23', '45+23=68'] Exploring Operation: 44+68=112, Resulting Numbers: [112] 112,61 unequal: No Solution Exploring Operation: 68-44=24, Resulting Numbers: [24] 24,61 unequal: No Solution Exploring Operation: 44*68=2992, Resulting Numbers: [2992] 2992,61 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 #0,1,1 Current State: 61:[45, 21], Operations: ['87-64=23', '44-23=21'] Exploring Operation: 45-21=24, Resulting Numbers: [24] 24,61 unequal: No Solution Exploring Operation: 45*21=945, Resulting Numbers: [945] 945,61 unequal: No Solution Exploring Operation: 45+21=66, Resulting Numbers: [66] 66,61 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 #0,1,2 Current State: 61:[44, 22], Operations: ['87-64=23', '45-23=22'] Exploring Operation: 44*22=968, Resulting Numbers: [968] 968,61 unequal: No Solution Exploring Operation: 44-22=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 44/22=2, Resulting Numbers: [2] 2,61 unequal: No Solution Exploring Operation: 44+22=66, Resulting Numbers: [66] 66,61 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: 61:[64, 86], Operations: ['87-45=42', '44+42=86'] Exploring Operation: 86-64=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 64*86=5504, Resulting Numbers: [5504] 5504,61 unequal: No Solution Exploring Operation: 64+86=150, Resulting Numbers: [150] 150,61 unequal: No Solution Moving to Node #0,3,3 Current State: 61:[64, 88], Operations: ['87-44=43', '45+43=88'] Exploring Operation: 64*88=5632, Resulting Numbers: [5632] 5632,61 unequal: No Solution Exploring Operation: 64+88=152, Resulting Numbers: [152] 152,61 unequal: No Solution Exploring Operation: 88-64=24, Resulting Numbers: [24] 24,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[44, 22], Operations: ['87-45=42', '64-42=22'] Exploring Operation: 44-22=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 44*22=968, Resulting Numbers: [968] 968,61 unequal: No Solution Exploring Operation: 44+22=66, Resulting Numbers: [66] 66,61 unequal: No Solution Exploring Operation: 44/22=2, Resulting Numbers: [2] 2,61 unequal: No Solution Moving to Node #0,3,0 Current State: 61:[45, 21], Operations: ['87-44=43', '64-43=21'] Exploring Operation: 45*21=945, Resulting Numbers: [945] 945,61 unequal: No Solution Exploring Operation: 45+21=66, Resulting Numbers: [66] 66,61 unequal: No Solution Exploring Operation: 45-21=24, Resulting Numbers: [24] 24,61 unequal: No Solution Moving to Node #0,0,3 Current State: 61:[42, 20], Operations: ['87-45=42', '64-44=20'] Exploring Operation: 42+20=62, Resulting Numbers: [62] 62,61 unequal: No Solution Exploring Operation: 42*20=840, Resulting Numbers: [840] 840,61 unequal: No Solution Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,61 unequal: No Solution Moving to Node #0,3,2 Current State: 61:[43, 19], Operations: ['87-44=43', '64-45=19'] Exploring Operation: 43+19=62, Resulting Numbers: [62] 62,61 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,61 unequal: No Solution Exploring Operation: 43*19=817, Resulting Numbers: [817] 817,61 unequal: No Solution Moving to Node #0,2,1 Current State: 61:[87, 25], Operations: ['44+45=89', '89-64=25'] Exploring Operation: 87*25=2175, Resulting Numbers: [2175] 2175,61 unequal: No Solution Exploring Operation: 87-25=62, Resulting Numbers: [62] 62,61 unequal: No Solution Exploring Operation: 87+25=112, Resulting Numbers: [112] 112,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[64, 2], Operations: ['87-45=42', '44-42=2'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,61 unequal: No Solution Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,61 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,61 unequal: No Solution Exploring Operation: 64*2=128, Resulting Numbers: [128] 128,61 unequal: No Solution Moving to Node #0,2,2 Current State: 61:[64, 2], Operations: ['44+45=89', '89-87=2'] Exploring Operation: 64*2=128, Resulting Numbers: [128] 128,61 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,61 unequal: No Solution Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,61 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,61 unequal: No Solution Moving to Node #0,3,1 Current State: 61:[64, 2], Operations: ['87-44=43', '45-43=2'] Exploring Operation: 64*2=128, Resulting Numbers: [128] 128,61 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,61 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,61 unequal: No Solution Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,61 unequal: No Solution Moving to Node #0,2,0 Current State: 61:[89, 23], Operations: ['44+45=89', '87-64=23'] Exploring Operation: 89-23=66, Resulting Numbers: [66] 66,61 unequal: No Solution Exploring Operation: 89*23=2047, Resulting Numbers: [2047] 2047,61 unequal: No Solution Exploring Operation: 89+23=112, Resulting Numbers: [112] 112,61 unequal: No Solution Moving to Node #0,2,3 Current State: 61:[89, 151], Operations: ['44+45=89', '87+64=151'] Exploring Operation: 89+151=240, Resulting Numbers: [240] 240,61 unequal: No Solution Exploring Operation: 89*151=13439, Resulting Numbers: [13439] 13439,61 unequal: No Solution Exploring Operation: 151-89=62, Resulting Numbers: [62] 62,61 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 84, 14, 56, 67 ]
17
[ "84/14=6", "67-56=11", "6+11=17" ]
Current State: 17:[84, 14, 56, 67], Operations: [] Exploring Operation: 84/14=6, Resulting Numbers: [56, 67, 6] Generated Node #2: [56, 67, 6] from Operation: 84/14=6 Current State: 17:[56, 67, 6], Operations: ['84/14=6'] Exploring Operation: 67-56=11, Resulting Numbers: [6, 11] Generated Node #3: [6, 11] from Operation: 67-56=11 Current State: 17:[6, 11], Operations: ['84/14=6', '67-56=11'] Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[84, 14, 56, 67], Operations: [] Exploring Operation: 84-56=28, Resulting Numbers: [14, 67, 28] Generated Node #0,0: 17:[14, 67, 28] Operation: 84-56=28 Exploring Operation: 67-56=11, Resulting Numbers: [84, 14, 11] Generated Node #0,1: 17:[84, 14, 11] Operation: 67-56=11 Exploring Operation: 84-67=17, Resulting Numbers: [14, 56, 17] Generated Node #0,2: 17:[14, 56, 17] Operation: 84-67=17 Moving to Node #0,2 Current State: 17:[14, 56, 17], Operations: ['84-67=17'] Exploring Operation: 56-14=42, Resulting Numbers: [17, 42] Generated Node #0,2,0: 17:[17, 42] Operation: 56-14=42 Exploring Operation: 56-17=39, Resulting Numbers: [14, 39] Generated Node #0,2,1: 17:[14, 39] Operation: 56-17=39 Exploring Operation: 56/14=4, Resulting Numbers: [17, 4] Generated Node #0,2,2: 17:[17, 4] Operation: 56/14=4 Moving to Node #0,0 Current State: 17:[14, 67, 28], Operations: ['84-56=28'] Exploring Operation: 67-28=39, Resulting Numbers: [14, 39] Generated Node #0,0,0: 17:[14, 39] Operation: 67-28=39 Exploring Operation: 67-14=53, Resulting Numbers: [28, 53] Generated Node #0,0,1: 17:[28, 53] Operation: 67-14=53 Exploring Operation: 28-14=14, Resulting Numbers: [67, 14] Generated Node #0,0,2: 17:[67, 14] Operation: 28-14=14 Moving to Node #0,1 Current State: 17:[84, 14, 11], Operations: ['67-56=11'] Exploring Operation: 84/14=6, Resulting Numbers: [11, 6] Generated Node #0,1,0: 17:[11, 6] Operation: 84/14=6 Exploring Operation: 84-11=73, Resulting Numbers: [14, 73] Generated Node #0,1,1: 17:[14, 73] Operation: 84-11=73 Exploring Operation: 84-14=70, Resulting Numbers: [11, 70] Generated Node #0,1,2: 17:[11, 70] Operation: 84-14=70 Moving to Node #0,2,2 Current State: 17:[17, 4], Operations: ['84-67=17', '56/14=4'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,17 unequal: No Solution Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,17 unequal: No Solution Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,17 unequal: No Solution Moving to Node #0,1,0 Current State: 17:[11, 6], Operations: ['67-56=11', '84/14=6'] Exploring Operation: 11+6=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[84, 14, 56, 67], Operations: [] Exploring Operation: 67-56=11, Resulting Numbers: [84, 14, 11] Generated Node #0,1: 17:[84, 14, 11] Operation: 67-56=11 Moving to Node #0,1 Current State: 17:[84, 14, 11], Operations: ['67-56=11'] Exploring Operation: 84/14=6, Resulting Numbers: [11, 6] Generated Node #0,1,0: 17:[11, 6] Operation: 84/14=6 Moving to Node #0,1,0 Current State: 17:[11, 6], Operations: ['67-56=11', '84/14=6'] Exploring Operation: 11+6=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
0.982639
hs_3
sum_heuristic
[ 50, 5, 27, 3 ]
25
[ "50+5=55", "27+3=30", "55-30=25" ]
Current State: 25:[50, 5, 27, 3], Operations: [] Exploring Operation: 50+5=55, Resulting Numbers: [27, 3, 55] Generated Node #2: [27, 3, 55] from Operation: 50+5=55 Current State: 25:[27, 3, 55], Operations: ['50+5=55'] Exploring Operation: 27+3=30, Resulting Numbers: [55, 30] Generated Node #3: [55, 30] from Operation: 27+3=30 Current State: 25:[55, 30], Operations: ['50+5=55', '27+3=30'] Exploring Operation: 55-30=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[50, 5, 27, 3], Operations: [] Exploring Operation: 50/5=10, Resulting Numbers: [27, 3, 10] Generated Node #0,0: 25:[27, 3, 10] Operation: 50/5=10 Exploring Operation: 50-27=23, Resulting Numbers: [5, 3, 23] Generated Node #0,1: 25:[5, 3, 23] Operation: 50-27=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[5, 3, 23], Operations: ['50-27=23'] Exploring Operation: 5+3=8, Resulting Numbers: [23, 8] Generated Node #0,1,0: 25:[23, 8] Operation: 5+3=8 Exploring Operation: 3+23=26, Resulting Numbers: [5, 26] Generated Node #0,1,1: 25:[5, 26] Operation: 3+23=26 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 25:[5, 26], Operations: ['50-27=23', '3+23=26'] Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,25 unequal: No Solution Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 25:[23, 8], Operations: ['50-27=23', '5+3=8'] Exploring Operation: 23+8=31, Resulting Numbers: [31] 31,25 unequal: No Solution Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[27, 3, 10], Operations: ['50/5=10'] Exploring Operation: 27-3=24, Resulting Numbers: [10, 24] Generated Node #0,0,0: 25:[10, 24] Operation: 27-3=24 Exploring Operation: 10-3=7, Resulting Numbers: [27, 7] Generated Node #0,0,1: 25:[27, 7] Operation: 10-3=7 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 25:[27, 7], Operations: ['50/5=10', '10-3=7'] Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[10, 24], Operations: ['50/5=10', '27-3=24'] Exploring Operation: 10+24=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 46, 43, 6, 13 ]
81
[ "46-43=3", "6*13=78", "3+78=81" ]
Current State: 81:[46, 43, 6, 13], Operations: [] Exploring Operation: 46-43=3, Resulting Numbers: [6, 13, 3] Generated Node #2: [6, 13, 3] from Operation: 46-43=3 Current State: 81:[6, 13, 3], Operations: ['46-43=3'] Exploring Operation: 6*13=78, Resulting Numbers: [3, 78] Generated Node #3: [3, 78] from Operation: 6*13=78 Current State: 81:[3, 78], Operations: ['46-43=3', '6*13=78'] Exploring Operation: 3+78=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[46, 43, 6, 13], Operations: [] Exploring Operation: 46+43=89, Resulting Numbers: [6, 13, 89] Generated Node #0,0: 81:[6, 13, 89] Operation: 46+43=89 Exploring Operation: 46-43=3, Resulting Numbers: [6, 13, 3] Generated Node #0,1: 81:[6, 13, 3] Operation: 46-43=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[6, 13, 3], Operations: ['46-43=3'] Exploring Operation: 6*13=78, Resulting Numbers: [3, 78] Generated Node #0,1,0: 81:[3, 78] Operation: 6*13=78 Exploring Operation: 13-6=7, Resulting Numbers: [3, 7] Generated Node #0,1,1: 81:[3, 7] Operation: 13-6=7 Moving to Node #0,1,1 Current State: 81:[3, 7], Operations: ['46-43=3', '13-6=7'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[3, 78], Operations: ['46-43=3', '6*13=78'] Exploring Operation: 3+78=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[46, 43, 6, 13], Operations: [] Exploring Operation: 46-43=3, Resulting Numbers: [6, 13, 3] Generated Node #0,1: 81:[6, 13, 3] Operation: 46-43=3 Moving to Node #0,1 Current State: 81:[6, 13, 3], Operations: ['46-43=3'] Exploring Operation: 6*13=78, Resulting Numbers: [3, 78] Generated Node #0,1,0: 81:[3, 78] Operation: 6*13=78 Moving to Node #0,1,0 Current State: 81:[3, 78], Operations: ['46-43=3', '6*13=78'] Exploring Operation: 3+78=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 27, 3, 7, 42 ]
63
[ "27*7=189", "3*42=126", "189-126=63" ]
Current State: 63:[27, 3, 7, 42], Operations: [] Exploring Operation: 27*7=189, Resulting Numbers: [3, 42, 189] Generated Node #2: [3, 42, 189] from Operation: 27*7=189 Current State: 63:[3, 42, 189], Operations: ['27*7=189'] Exploring Operation: 3*42=126, Resulting Numbers: [189, 126] Generated Node #3: [189, 126] from Operation: 3*42=126 Current State: 63:[189, 126], Operations: ['27*7=189', '3*42=126'] Exploring Operation: 189-126=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[27, 3, 7, 42], Operations: [] Exploring Operation: 27+42=69, Resulting Numbers: [3, 7, 69] Generated Node #0,0: 63:[3, 7, 69] Operation: 27+42=69 Exploring Operation: 42/3=14, Resulting Numbers: [27, 7, 14] Generated Node #0,1: 63:[27, 7, 14] Operation: 42/3=14 Exploring Operation: 42/7=6, Resulting Numbers: [27, 3, 6] Generated Node #0,2: 63:[27, 3, 6] Operation: 42/7=6 Exploring Operation: 7+42=49, Resulting Numbers: [27, 3, 49] Generated Node #0,3: 63:[27, 3, 49] Operation: 7+42=49 Exploring Operation: 42-27=15, Resulting Numbers: [3, 7, 15] Generated Node #0,4: 63:[3, 7, 15] Operation: 42-27=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[3, 7, 69], Operations: ['27+42=69'] Exploring Operation: 3*7=21, Resulting Numbers: [69, 21] Generated Node #0,0,0: 63:[69, 21] Operation: 3*7=21 Exploring Operation: 69-3=66, Resulting Numbers: [7, 66] Generated Node #0,0,1: 63:[7, 66] Operation: 69-3=66 Exploring Operation: 69/3=23, Resulting Numbers: [7, 23] Generated Node #0,0,2: 63:[7, 23] Operation: 69/3=23 Exploring Operation: 69-7=62, Resulting Numbers: [3, 62] Generated Node #0,0,3: 63:[3, 62] Operation: 69-7=62 Exploring Operation: 3+7=10, Resulting Numbers: [69, 10] Generated Node #0,0,4: 63:[69, 10] Operation: 3+7=10 Moving to Node #0,0,3 Current State: 63:[3, 62], Operations: ['27+42=69', '69-7=62'] Exploring Operation: 3+62=65, Resulting Numbers: [65] 65,63 unequal: No Solution Exploring Operation: 3*62=186, Resulting Numbers: [186] 186,63 unequal: No Solution Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,63 unequal: No Solution Moving to Node #0,0,2 Current State: 63:[7, 23], Operations: ['27+42=69', '69/3=23'] Exploring Operation: 7*23=161, Resulting Numbers: [161] 161,63 unequal: No Solution Exploring Operation: 7+23=30, Resulting Numbers: [30] 30,63 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,63 unequal: No Solution Moving to Node #0,0,1 Current State: 63:[7, 66], Operations: ['27+42=69', '69-3=66'] Exploring Operation: 7*66=462, Resulting Numbers: [462] 462,63 unequal: No Solution Exploring Operation: 7+66=73, Resulting Numbers: [73] 73,63 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,63 unequal: No Solution Moving to Node #0,0,0 Current State: 63:[69, 21], Operations: ['27+42=69', '3*7=21'] Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,63 unequal: No Solution Exploring Operation: 69+21=90, Resulting Numbers: [90] 90,63 unequal: No Solution Exploring Operation: 69*21=1449, Resulting Numbers: [1449] 1449,63 unequal: No Solution Moving to Node #0,0,4 Current State: 63:[69, 10], Operations: ['27+42=69', '3+7=10'] Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,63 unequal: No Solution Exploring Operation: 69*10=690, Resulting Numbers: [690] 690,63 unequal: No Solution Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,63 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 #0,4 Current State: 63:[3, 7, 15], Operations: ['42-27=15'] Exploring Operation: 7+15=22, Resulting Numbers: [3, 22] Generated Node #0,4,0: 63:[3, 22] Operation: 7+15=22 Exploring Operation: 15/3=5, Resulting Numbers: [7, 5] Generated Node #0,4,1: 63:[7, 5] Operation: 15/3=5 Exploring Operation: 15-7=8, Resulting Numbers: [3, 8] Generated Node #0,4,2: 63:[3, 8] Operation: 15-7=8 Exploring Operation: 3+15=18, Resulting Numbers: [7, 18] Generated Node #0,4,3: 63:[7, 18] Operation: 3+15=18 Exploring Operation: 15-3=12, Resulting Numbers: [7, 12] Generated Node #0,4,4: 63:[7, 12] Operation: 15-3=12 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 63:[3, 22], Operations: ['42-27=15', '7+15=22'] Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,63 unequal: No Solution Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,63 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,63 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 #0,4,2 Current State: 63:[3, 8], Operations: ['42-27=15', '15-7=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,63 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,63 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,63 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 #0,4,1 Current State: 63:[7, 5], Operations: ['42-27=15', '15/3=5'] Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,63 unequal: No Solution Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,63 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,63 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 #0,4,3 Current State: 63:[7, 18], Operations: ['42-27=15', '3+15=18'] Exploring Operation: 7*18=126, Resulting Numbers: [126] 126,63 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,63 unequal: No Solution Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,63 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 #0,4,4 Current State: 63:[7, 12], Operations: ['42-27=15', '15-3=12'] Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,63 unequal: No Solution Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,63 unequal: No Solution Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,63 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 #0,2 Current State: 63:[27, 3, 6], Operations: ['42/7=6'] Exploring Operation: 6-3=3, Resulting Numbers: [27, 3] Generated Node #0,2,0: 63:[27, 3] Operation: 6-3=3 Exploring Operation: 27-3=24, Resulting Numbers: [6, 24] Generated Node #0,2,1: 63:[6, 24] Operation: 27-3=24 Exploring Operation: 27-6=21, Resulting Numbers: [3, 21] Generated Node #0,2,2: 63:[3, 21] Operation: 27-6=21 Exploring Operation: 3+6=9, Resulting Numbers: [27, 9] Generated Node #0,2,3: 63:[27, 9] Operation: 3+6=9 Exploring Operation: 27/3=9, Resulting Numbers: [6, 9] Generated Node #0,2,4: 63:[6, 9] Operation: 27/3=9 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 63:[3, 21], Operations: ['42/7=6', '27-6=21'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,63 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,63 unequal: No Solution Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[27, 3, 7, 42], Operations: [] Exploring Operation: 42/7=6, Resulting Numbers: [27, 3, 6] Generated Node #0,2: 63:[27, 3, 6] Operation: 42/7=6 Moving to Node #0,2 Current State: 63:[27, 3, 6], Operations: ['42/7=6'] Exploring Operation: 27-6=21, Resulting Numbers: [3, 21] Generated Node #0,2,2: 63:[3, 21] Operation: 27-6=21 Moving to Node #0,2,2 Current State: 63:[3, 21], Operations: ['42/7=6', '27-6=21'] Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.950521
hs_5
mult_heuristic
[ 58, 66, 2, 97 ]
85
[ "58*2=116", "97-66=31", "116-31=85" ]
Current State: 85:[58, 66, 2, 97], Operations: [] Exploring Operation: 58*2=116, Resulting Numbers: [66, 97, 116] Generated Node #2: [66, 97, 116] from Operation: 58*2=116 Current State: 85:[66, 97, 116], Operations: ['58*2=116'] Exploring Operation: 97-66=31, Resulting Numbers: [116, 31] Generated Node #3: [116, 31] from Operation: 97-66=31 Current State: 85:[116, 31], Operations: ['58*2=116', '97-66=31'] Exploring Operation: 116-31=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[58, 66, 2, 97], Operations: [] Exploring Operation: 66-58=8, Resulting Numbers: [2, 97, 8] Generated Node #0,0: 85:[2, 97, 8] Operation: 66-58=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[2, 97, 8], Operations: ['66-58=8'] Exploring Operation: 97-8=89, Resulting Numbers: [2, 89] Generated Node #0,0,0: 85:[2, 89] Operation: 97-8=89 Moving to Node #0,0,0 Current State: 85:[2, 89], Operations: ['66-58=8', '97-8=89'] Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 98, 40, 22, 98 ]
17
[ "98/98=1", "40-22=18", "18-1=17" ]
Current State: 17:[98, 40, 22, 98], Operations: [] Exploring Operation: 98/98=1, Resulting Numbers: [40, 22, 1] Generated Node #2: [40, 22, 1] from Operation: 98/98=1 Current State: 17:[40, 22, 1], Operations: ['98/98=1'] Exploring Operation: 40-22=18, Resulting Numbers: [1, 18] Generated Node #3: [1, 18] from Operation: 40-22=18 Current State: 17:[1, 18], Operations: ['98/98=1', '40-22=18'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[98, 40, 22, 98], Operations: [] Exploring Operation: 98/98=1, Resulting Numbers: [40, 22, 1] Generated Node #0,0: 17:[40, 22, 1] Operation: 98/98=1 Exploring Operation: 98-98=0, Resulting Numbers: [40, 22, 0] Generated Node #0,1: 17:[40, 22, 0] Operation: 98-98=0 Moving to Node #0,0 Current State: 17:[40, 22, 1], Operations: ['98/98=1'] Exploring Operation: 40-22=18, Resulting Numbers: [1, 18] Generated Node #0,0,0: 17:[1, 18] Operation: 40-22=18 Exploring Operation: 40-1=39, Resulting Numbers: [22, 39] Generated Node #0,0,1: 17:[22, 39] Operation: 40-1=39 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[1, 18], Operations: ['98/98=1', '40-22=18'] Exploring Operation: 1*18=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[98, 40, 22, 98], Operations: [] Exploring Operation: 98/98=1, Resulting Numbers: [40, 22, 1] Generated Node #0,0: 17:[40, 22, 1] Operation: 98/98=1 Moving to Node #0,0 Current State: 17:[40, 22, 1], Operations: ['98/98=1'] Exploring Operation: 40-22=18, Resulting Numbers: [1, 18] Generated Node #0,0,0: 17:[1, 18] Operation: 40-22=18 Moving to Node #0,0,0 Current State: 17:[1, 18], Operations: ['98/98=1', '40-22=18'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 60, 15, 16, 22 ]
86
[ "60/15=4", "16*4=64", "22+64=86" ]
Current State: 86:[60, 15, 16, 22], Operations: [] Exploring Operation: 60/15=4, Resulting Numbers: [16, 22, 4] Generated Node #2: [16, 22, 4] from Operation: 60/15=4 Current State: 86:[16, 22, 4], Operations: ['60/15=4'] Exploring Operation: 16*4=64, Resulting Numbers: [22, 64] Generated Node #3: [22, 64] from Operation: 16*4=64 Current State: 86:[22, 64], Operations: ['60/15=4', '16*4=64'] Exploring Operation: 22+64=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[60, 15, 16, 22], Operations: [] Exploring Operation: 60-22=38, Resulting Numbers: [15, 16, 38] Generated Node #0,0: 86:[15, 16, 38] Operation: 60-22=38 Exploring Operation: 60+22=82, Resulting Numbers: [15, 16, 82] Generated Node #0,1: 86:[15, 16, 82] Operation: 60+22=82 Exploring Operation: 60-16=44, Resulting Numbers: [15, 22, 44] Generated Node #0,2: 86:[15, 22, 44] Operation: 60-16=44 Exploring Operation: 22-16=6, Resulting Numbers: [60, 15, 6] Generated Node #0,3: 86:[60, 15, 6] Operation: 22-16=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[15, 16, 82], Operations: ['60+22=82'] Exploring Operation: 15+16=31, Resulting Numbers: [82, 31] Generated Node #0,1,0: 86:[82, 31] Operation: 15+16=31 Exploring Operation: 16-15=1, Resulting Numbers: [82, 1] Generated Node #0,1,1: 86:[82, 1] Operation: 16-15=1 Exploring Operation: 15+82=97, Resulting Numbers: [16, 97] Generated Node #0,1,2: 86:[16, 97] Operation: 15+82=97 Exploring Operation: 16+82=98, Resulting Numbers: [15, 98] Generated Node #0,1,3: 86:[15, 98] Operation: 16+82=98 Moving to Node #0,1,1 Current State: 86:[82, 1], Operations: ['60+22=82', '16-15=1'] Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,86 unequal: No Solution Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,86 unequal: No Solution Exploring Operation: 82*1=82, Resulting Numbers: [82] 82,86 unequal: No Solution Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[82, 31], Operations: ['60+22=82', '15+16=31'] Exploring Operation: 82-31=51, Resulting Numbers: [51] 51,86 unequal: No Solution Exploring Operation: 82+31=113, Resulting Numbers: [113] 113,86 unequal: No Solution Exploring Operation: 82*31=2542, Resulting Numbers: [2542] 2542,86 unequal: No Solution Moving to Node #0,1,3 Current State: 86:[15, 98], Operations: ['60+22=82', '16+82=98'] Exploring Operation: 15*98=1470, Resulting Numbers: [1470] 1470,86 unequal: No Solution Exploring Operation: 15+98=113, Resulting Numbers: [113] 113,86 unequal: No Solution Exploring Operation: 98-15=83, Resulting Numbers: [83] 83,86 unequal: No Solution Moving to Node #0,1,2 Current State: 86:[16, 97], Operations: ['60+22=82', '15+82=97'] Exploring Operation: 97-16=81, Resulting Numbers: [81] 81,86 unequal: No Solution Exploring Operation: 16*97=1552, Resulting Numbers: [1552] 1552,86 unequal: No Solution Exploring Operation: 16+97=113, Resulting Numbers: [113] 113,86 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 Current State: 86:[15, 16, 38], Operations: ['60-22=38'] Exploring Operation: 15+16=31, Resulting Numbers: [38, 31] Generated Node #0,0,0: 86:[38, 31] Operation: 15+16=31 Exploring Operation: 15+38=53, Resulting Numbers: [16, 53] Generated Node #0,0,1: 86:[16, 53] Operation: 15+38=53 Exploring Operation: 16-15=1, Resulting Numbers: [38, 1] Generated Node #0,0,2: 86:[38, 1] Operation: 16-15=1 Exploring Operation: 16+38=54, Resulting Numbers: [15, 54] Generated Node #0,0,3: 86:[15, 54] Operation: 16+38=54 Moving to Node #0,0,2 Current State: 86:[38, 1], Operations: ['60-22=38', '16-15=1'] Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,86 unequal: No Solution Exploring Operation: 38+1=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,86 unequal: No Solution Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,86 unequal: No Solution Moving to Node #0,0,0 Current State: 86:[38, 31], Operations: ['60-22=38', '15+16=31'] Exploring Operation: 38*31=1178, Resulting Numbers: [1178] 1178,86 unequal: No Solution Exploring Operation: 38+31=69, Resulting Numbers: [69] 69,86 unequal: No Solution Exploring Operation: 38-31=7, Resulting Numbers: [7] 7,86 unequal: No Solution Moving to Node #0,0,3 Current State: 86:[15, 54], Operations: ['60-22=38', '16+38=54'] Exploring Operation: 54-15=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 15*54=810, Resulting Numbers: [810] 810,86 unequal: No Solution Exploring Operation: 15+54=69, Resulting Numbers: [69] 69,86 unequal: No Solution Moving to Node #0,0,1 Current State: 86:[16, 53], Operations: ['60-22=38', '15+38=53'] Exploring Operation: 53-16=37, Resulting Numbers: [37] 37,86 unequal: No Solution Exploring Operation: 16*53=848, Resulting Numbers: [848] 848,86 unequal: No Solution Exploring Operation: 16+53=69, Resulting Numbers: [69] 69,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 86:[15, 22, 44], Operations: ['60-16=44'] Exploring Operation: 44/22=2, Resulting Numbers: [15, 2] Generated Node #0,2,0: 86:[15, 2] Operation: 44/22=2 Exploring Operation: 15+22=37, Resulting Numbers: [44, 37] Generated Node #0,2,1: 86:[44, 37] Operation: 15+22=37 Exploring Operation: 22-15=7, Resulting Numbers: [44, 7] Generated Node #0,2,2: 86:[44, 7] Operation: 22-15=7 Exploring Operation: 22+44=66, Resulting Numbers: [15, 66] Generated Node #0,2,3: 86:[15, 66] Operation: 22+44=66 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 86:[44, 7], Operations: ['60-16=44', '22-15=7'] Exploring Operation: 44+7=51, Resulting Numbers: [51] 51,86 unequal: No Solution Exploring Operation: 44*7=308, Resulting Numbers: [308] 308,86 unequal: No Solution Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,86 unequal: No Solution No 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: 86:[44, 37], Operations: ['60-16=44', '15+22=37'] Exploring Operation: 44+37=81, Resulting Numbers: [81] 81,86 unequal: No Solution Exploring Operation: 44*37=1628, Resulting Numbers: [1628] 1628,86 unequal: No Solution Exploring Operation: 44-37=7, Resulting Numbers: [7] 7,86 unequal: No Solution No 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: 86:[15, 2], Operations: ['60-16=44', '44/22=2'] Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,86 unequal: No Solution Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,86 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,86 unequal: No Solution No 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: 86:[15, 66], Operations: ['60-16=44', '22+44=66'] Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,86 unequal: No Solution Exploring Operation: 15+66=81, Resulting Numbers: [81] 81,86 unequal: No Solution Exploring Operation: 15*66=990, Resulting Numbers: [990] 990,86 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: 86:[60, 15, 6], Operations: ['22-16=6'] Exploring Operation: 60/6=10, Resulting Numbers: [15, 10] Generated Node #0,3,0: 86:[15, 10] Operation: 60/6=10 Exploring Operation: 60-15=45, Resulting Numbers: [6, 45] Generated Node #0,3,1: 86:[6, 45] Operation: 60-15=45 Exploring Operation: 60+15=75, Resulting Numbers: [6, 75] Generated Node #0,3,2: 86:[6, 75] Operation: 60+15=75 Exploring Operation: 60/15=4, Resulting Numbers: [6, 4] Generated Node #0,3,3: 86:[6, 4] Operation: 60/15=4 Moving to Node #0,3,1 Current State: 86:[6, 45], Operations: ['22-16=6', '60-15=45'] Exploring Operation: 6*45=270, Resulting Numbers: [270] 270,86 unequal: No Solution Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 6+45=51, Resulting Numbers: [51] 51,86 unequal: No Solution Moving to Node #0,3,3 Current State: 86:[6, 4], Operations: ['22-16=6', '60/15=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,86 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,86 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,86 unequal: No Solution Moving to Node #0,3,2 Current State: 86:[6, 75], Operations: ['22-16=6', '60+15=75'] Exploring Operation: 75-6=69, Resulting Numbers: [69] 69,86 unequal: No Solution Exploring Operation: 6*75=450, Resulting Numbers: [450] 450,86 unequal: No Solution Exploring Operation: 6+75=81, Resulting Numbers: [81] 81,86 unequal: No Solution Moving to Node #0,3,0 Current State: 86:[15, 10], Operations: ['22-16=6', '60/6=10'] Exploring Operation: 15+10=25, Resulting Numbers: [25] 25,86 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 15*10=150, Resulting Numbers: [150] 150,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 4, 37, 8, 44 ]
40
[ "44/4=11", "37-8=29", "11+29=40" ]
Current State: 40:[4, 37, 8, 44], Operations: [] Exploring Operation: 44/4=11, Resulting Numbers: [37, 8, 11] Generated Node #2: [37, 8, 11] from Operation: 44/4=11 Current State: 40:[37, 8, 11], Operations: ['44/4=11'] Exploring Operation: 37-8=29, Resulting Numbers: [11, 29] Generated Node #3: [11, 29] from Operation: 37-8=29 Current State: 40:[11, 29], Operations: ['44/4=11', '37-8=29'] Exploring Operation: 11+29=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[4, 37, 8, 44], Operations: [] Exploring Operation: 44-37=7, Resulting Numbers: [4, 8, 7] Generated Node #0,0: 40:[4, 8, 7] Operation: 44-37=7 Exploring Operation: 44-4=40, Resulting Numbers: [37, 8, 40] Generated Node #0,1: 40:[37, 8, 40] Operation: 44-4=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[4, 8, 7], Operations: ['44-37=7'] Exploring Operation: 8-4=4, Resulting Numbers: [7, 4] Generated Node #0,0,0: 40:[7, 4] Operation: 8-4=4 Exploring Operation: 8/4=2, Resulting Numbers: [7, 2] Generated Node #0,0,1: 40:[7, 2] Operation: 8/4=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 40:[7, 4], Operations: ['44-37=7', '8-4=4'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,40 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 #0,0,1 Current State: 40:[7, 2], Operations: ['44-37=7', '8/4=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,40 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[37, 8, 40], Operations: ['44-4=40'] Exploring Operation: 40/8=5, Resulting Numbers: [37, 5] Generated Node #0,1,0: 40:[37, 5] Operation: 40/8=5 Exploring Operation: 40-37=3, Resulting Numbers: [8, 3] Generated Node #0,1,1: 40:[8, 3] Operation: 40-37=3 Moving to Node #0,1,1 Current State: 40:[8, 3], Operations: ['44-4=40', '40-37=3'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,40 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,40 unequal: No Solution Moving to Node #0,1,0 Current State: 40:[37, 5], Operations: ['44-4=40', '40/8=5'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,40 unequal: No Solution Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,40 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
[ 32, 13, 30, 58 ]
10
[ "32+58=90", "90/30=3", "13-3=10" ]
Current State: 10:[32, 13, 30, 58], Operations: [] Exploring Operation: 32+58=90, Resulting Numbers: [13, 30, 90] Generated Node #2: [13, 30, 90] from Operation: 32+58=90 Current State: 10:[13, 30, 90], Operations: ['32+58=90'] Exploring Operation: 90/30=3, Resulting Numbers: [13, 3] Generated Node #3: [13, 3] from Operation: 90/30=3 Current State: 10:[13, 3], Operations: ['32+58=90', '90/30=3'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[32, 13, 30, 58], Operations: [] Exploring Operation: 32-30=2, Resulting Numbers: [13, 58, 2] Generated Node #0,0: 10:[13, 58, 2] Operation: 32-30=2 Exploring Operation: 58-32=26, Resulting Numbers: [13, 30, 26] Generated Node #0,1: 10:[13, 30, 26] Operation: 58-32=26 Exploring Operation: 32-13=19, Resulting Numbers: [30, 58, 19] Generated Node #0,2: 10:[30, 58, 19] Operation: 32-13=19 Exploring Operation: 58-30=28, Resulting Numbers: [32, 13, 28] Generated Node #0,3: 10:[32, 13, 28] Operation: 58-30=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[13, 30, 26], Operations: ['58-32=26'] Exploring Operation: 30-13=17, Resulting Numbers: [26, 17] Generated Node #0,1,0: 10:[26, 17] Operation: 30-13=17 Exploring Operation: 26/13=2, Resulting Numbers: [30, 2] Generated Node #0,1,1: 10:[30, 2] Operation: 26/13=2 Exploring Operation: 26-13=13, Resulting Numbers: [30, 13] Generated Node #0,1,2: 10:[30, 13] Operation: 26-13=13 Exploring Operation: 30-26=4, Resulting Numbers: [13, 4] Generated Node #0,1,3: 10:[13, 4] Operation: 30-26=4 Moving to Node #0,1,3 Current State: 10:[13, 4], Operations: ['58-32=26', '30-26=4'] Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,10 unequal: No Solution Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,10 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[30, 2], Operations: ['58-32=26', '26/13=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,10 unequal: No Solution Exploring Operation: 30*2=60, Resulting Numbers: [60] 60,10 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,10 unequal: No Solution Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,10 unequal: No Solution Moving to Node #0,1,2 Current State: 10:[30, 13], Operations: ['58-32=26', '26-13=13'] Exploring Operation: 30*13=390, Resulting Numbers: [390] 390,10 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,10 unequal: No Solution Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[26, 17], Operations: ['58-32=26', '30-13=17'] Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,10 unequal: No Solution Exploring Operation: 26*17=442, Resulting Numbers: [442] 442,10 unequal: No Solution Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 10:[32, 13, 28], Operations: ['58-30=28'] Exploring Operation: 32-28=4, Resulting Numbers: [13, 4] Generated Node #0,3,0: 10:[13, 4] Operation: 32-28=4 Exploring Operation: 32+13=45, Resulting Numbers: [28, 45] Generated Node #0,3,1: 10:[28, 45] Operation: 32+13=45 Exploring Operation: 32-13=19, Resulting Numbers: [28, 19] Generated Node #0,3,2: 10:[28, 19] Operation: 32-13=19 Exploring Operation: 28-13=15, Resulting Numbers: [32, 15] Generated Node #0,3,3: 10:[32, 15] Operation: 28-13=15 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 10:[13, 4], Operations: ['58-30=28', '32-28=4'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,10 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,10 unequal: No Solution Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,10 unequal: No Solution No 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: 10:[28, 19], Operations: ['58-30=28', '32-13=19'] Exploring Operation: 28+19=47, Resulting Numbers: [47] 47,10 unequal: No Solution Exploring Operation: 28*19=532, Resulting Numbers: [532] 532,10 unequal: No Solution Exploring Operation: 28-19=9, Resulting Numbers: [9] 9,10 unequal: No Solution No 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: 10:[32, 15], Operations: ['58-30=28', '28-13=15'] Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,10 unequal: No Solution Exploring Operation: 32*15=480, Resulting Numbers: [480] 480,10 unequal: No Solution Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,10 unequal: No Solution No 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: 10:[28, 45], Operations: ['58-30=28', '32+13=45'] Exploring Operation: 45-28=17, Resulting Numbers: [17] 17,10 unequal: No Solution Exploring Operation: 28+45=73, Resulting Numbers: [73] 73,10 unequal: No Solution Exploring Operation: 28*45=1260, Resulting Numbers: [1260] 1260,10 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: 10:[13, 58, 2], Operations: ['32-30=2'] Exploring Operation: 58/2=29, Resulting Numbers: [13, 29] Generated Node #0,0,0: 10:[13, 29] Operation: 58/2=29 Exploring Operation: 13-2=11, Resulting Numbers: [58, 11] Generated Node #0,0,1: 10:[58, 11] Operation: 13-2=11 Exploring Operation: 58-2=56, Resulting Numbers: [13, 56] Generated Node #0,0,2: 10:[13, 56] Operation: 58-2=56 Exploring Operation: 58-13=45, Resulting Numbers: [2, 45] Generated Node #0,0,3: 10:[2, 45] Operation: 58-13=45 Moving to Node #0,0,0 Current State: 10:[13, 29], Operations: ['32-30=2', '58/2=29'] Exploring Operation: 13+29=42, Resulting Numbers: [42] 42,10 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,10 unequal: No Solution Exploring Operation: 13*29=377, Resulting Numbers: [377] 377,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[2, 45], Operations: ['32-30=2', '58-13=45'] Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,10 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,10 unequal: No Solution Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[13, 56], Operations: ['32-30=2', '58-2=56'] Exploring Operation: 56-13=43, Resulting Numbers: [43] 43,10 unequal: No Solution Exploring Operation: 13*56=728, Resulting Numbers: [728] 728,10 unequal: No Solution Exploring Operation: 13+56=69, Resulting Numbers: [69] 69,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[58, 11], Operations: ['32-30=2', '13-2=11'] Exploring Operation: 58*11=638, Resulting Numbers: [638] 638,10 unequal: No Solution Exploring Operation: 58+11=69, Resulting Numbers: [69] 69,10 unequal: No Solution Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,10 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 Current State: 10:[30, 58, 19], Operations: ['32-13=19'] Exploring Operation: 30-19=11, Resulting Numbers: [58, 11] Generated Node #0,2,0: 10:[58, 11] Operation: 30-19=11 Exploring Operation: 30+58=88, Resulting Numbers: [19, 88] Generated Node #0,2,1: 10:[19, 88] Operation: 30+58=88 Exploring Operation: 58-30=28, Resulting Numbers: [19, 28] Generated Node #0,2,2: 10:[19, 28] Operation: 58-30=28 Exploring Operation: 58-19=39, Resulting Numbers: [30, 39] Generated Node #0,2,3: 10:[30, 39] Operation: 58-19=39 Moving to Node #0,2,2 Current State: 10:[19, 28], Operations: ['32-13=19', '58-30=28'] Exploring Operation: 19*28=532, Resulting Numbers: [532] 532,10 unequal: No Solution Exploring Operation: 19+28=47, Resulting Numbers: [47] 47,10 unequal: No Solution Exploring Operation: 28-19=9, Resulting Numbers: [9] 9,10 unequal: No Solution Moving to Node #0,2,3 Current State: 10:[30, 39], Operations: ['32-13=19', '58-19=39'] Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,10 unequal: No Solution Exploring Operation: 30+39=69, Resulting Numbers: [69] 69,10 unequal: No Solution Exploring Operation: 30*39=1170, Resulting Numbers: [1170] 1170,10 unequal: No Solution Moving to Node #0,2,0 Current State: 10:[58, 11], Operations: ['32-13=19', '30-19=11'] Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,10 unequal: No Solution Exploring Operation: 58*11=638, Resulting Numbers: [638] 638,10 unequal: No Solution Exploring Operation: 58+11=69, Resulting Numbers: [69] 69,10 unequal: No Solution Moving to Node #0,2,1 Current State: 10:[19, 88], Operations: ['32-13=19', '30+58=88'] Exploring Operation: 19*88=1672, Resulting Numbers: [1672] 1672,10 unequal: No Solution Exploring Operation: 88-19=69, Resulting Numbers: [69] 69,10 unequal: No Solution Exploring Operation: 19+88=107, Resulting Numbers: [107] 107,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 6, 4, 18, 60 ]
59
[ "18/6=3", "60-4=56", "3+56=59" ]
Current State: 59:[6, 4, 18, 60], Operations: [] Exploring Operation: 18/6=3, Resulting Numbers: [4, 60, 3] Generated Node #2: [4, 60, 3] from Operation: 18/6=3 Current State: 59:[4, 60, 3], Operations: ['18/6=3'] Exploring Operation: 60-4=56, Resulting Numbers: [3, 56] Generated Node #3: [3, 56] from Operation: 60-4=56 Current State: 59:[3, 56], Operations: ['18/6=3', '60-4=56'] Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[6, 4, 18, 60], Operations: [] Exploring Operation: 4*18=72, Resulting Numbers: [6, 60, 72] Generated Node #0,0: 59:[6, 60, 72] Operation: 4*18=72 Moving to Node #0,0 Current State: 59:[6, 60, 72], Operations: ['4*18=72'] Exploring Operation: 72-6=66, Resulting Numbers: [60, 66] Generated Node #0,0,0: 59:[60, 66] Operation: 72-6=66 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[60, 66], Operations: ['4*18=72', '72-6=66'] Exploring Operation: 66-60=6, Resulting Numbers: [6] 6,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 31, 89, 54, 85 ]
89
[ "31+89=120", "85-54=31", "120-31=89" ]
Current State: 89:[31, 89, 54, 85], Operations: [] Exploring Operation: 31+89=120, Resulting Numbers: [54, 85, 120] Generated Node #2: [54, 85, 120] from Operation: 31+89=120 Current State: 89:[54, 85, 120], Operations: ['31+89=120'] Exploring Operation: 85-54=31, Resulting Numbers: [120, 31] Generated Node #3: [120, 31] from Operation: 85-54=31 Current State: 89:[120, 31], Operations: ['31+89=120', '85-54=31'] Exploring Operation: 120-31=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[31, 89, 54, 85], Operations: [] Exploring Operation: 31+89=120, Resulting Numbers: [54, 85, 120] Generated Node #0,0: 89:[54, 85, 120] Operation: 31+89=120 Exploring Operation: 54-31=23, Resulting Numbers: [89, 85, 23] Generated Node #0,1: 89:[89, 85, 23] Operation: 54-31=23 Exploring Operation: 31+54=85, Resulting Numbers: [89, 85, 85] Generated Node #0,2: 89:[89, 85, 85] Operation: 31+54=85 Exploring Operation: 31+85=116, Resulting Numbers: [89, 54, 116] Generated Node #0,3: 89:[89, 54, 116] Operation: 31+85=116 Exploring Operation: 89-31=58, Resulting Numbers: [54, 85, 58] Generated Node #0,4: 89:[54, 85, 58] Operation: 89-31=58 Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[89, 85, 85], Operations: ['31+54=85'] Exploring Operation: 89-85=4, Resulting Numbers: [85, 4] Generated Node #0,2,0: 89:[85, 4] Operation: 89-85=4 Exploring Operation: 89+85=174, Resulting Numbers: [85, 174] Generated Node #0,2,1: 89:[85, 174] Operation: 89+85=174 Exploring Operation: 85+85=170, Resulting Numbers: [89, 170] Generated Node #0,2,2: 89:[89, 170] Operation: 85+85=170 Exploring Operation: 89+85=174, Resulting Numbers: [85, 174] Generated Node #0,2,3: 89:[85, 174] Operation: 89+85=174 Exploring Operation: 85/85=1, Resulting Numbers: [89, 1] Generated Node #0,2,4: 89:[89, 1] Operation: 85/85=1 Moving to Node #0,2,2 Current State: 89:[89, 170], Operations: ['31+54=85', '85+85=170'] Exploring Operation: 89*170=15130, Resulting Numbers: [15130] 15130,89 unequal: No Solution Exploring Operation: 89+170=259, Resulting Numbers: [259] 259,89 unequal: No Solution Exploring Operation: 170-89=81, Resulting Numbers: [81] 81,89 unequal: No Solution Moving to Node #0,2,4 Current State: 89:[89, 1], Operations: ['31+54=85', '85/85=1'] Exploring Operation: 89-1=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 89/1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[31, 89, 54, 85], Operations: [] Exploring Operation: 31+54=85, Resulting Numbers: [89, 85, 85] Generated Node #0,2: 89:[89, 85, 85] Operation: 31+54=85 Moving to Node #0,2 Current State: 89:[89, 85, 85], Operations: ['31+54=85'] Exploring Operation: 85/85=1, Resulting Numbers: [89, 1] Generated Node #0,2,4: 89:[89, 1] Operation: 85/85=1 Moving to Node #0,2,4 Current State: 89:[89, 1], Operations: ['31+54=85', '85/85=1'] Exploring Operation: 89/1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 71, 6, 18, 24 ]
72
[ "6+18=24", "24/24=1", "71+1=72" ]
Current State: 72:[71, 6, 18, 24], Operations: [] Exploring Operation: 6+18=24, Resulting Numbers: [71, 24, 24] Generated Node #2: [71, 24, 24] from Operation: 6+18=24 Current State: 72:[71, 24, 24], Operations: ['6+18=24'] Exploring Operation: 24/24=1, Resulting Numbers: [71, 1] Generated Node #3: [71, 1] from Operation: 24/24=1 Current State: 72:[71, 1], Operations: ['6+18=24', '24/24=1'] Exploring Operation: 71+1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[71, 6, 18, 24], Operations: [] Exploring Operation: 18/6=3, Resulting Numbers: [71, 24, 3] Generated Node #0,0: 72:[71, 24, 3] Operation: 18/6=3 Exploring Operation: 18-6=12, Resulting Numbers: [71, 24, 12] Generated Node #0,1: 72:[71, 24, 12] Operation: 18-6=12 Exploring Operation: 6+18=24, Resulting Numbers: [71, 24, 24] Generated Node #0,2: 72:[71, 24, 24] Operation: 6+18=24 Moving to Node #0,0 Current State: 72:[71, 24, 3], Operations: ['18/6=3'] Exploring Operation: 24*3=72, Resulting Numbers: [71, 72] Generated Node #0,0,0: 72:[71, 72] Operation: 24*3=72 Exploring Operation: 24/3=8, Resulting Numbers: [71, 8] Generated Node #0,0,1: 72:[71, 8] Operation: 24/3=8 Exploring Operation: 71+3=74, Resulting Numbers: [24, 74] Generated Node #0,0,2: 72:[24, 74] Operation: 71+3=74 Moving to Node #0,1 Current State: 72:[71, 24, 12], Operations: ['18-6=12'] Exploring Operation: 24+12=36, Resulting Numbers: [71, 36] Generated Node #0,1,0: 72:[71, 36] Operation: 24+12=36 Exploring Operation: 24-12=12, Resulting Numbers: [71, 12] Generated Node #0,1,1: 72:[71, 12] Operation: 24-12=12 Exploring Operation: 24/12=2, Resulting Numbers: [71, 2] Generated Node #0,1,2: 72:[71, 2] Operation: 24/12=2 Moving to Node #0,2 Current State: 72:[71, 24, 24], Operations: ['6+18=24'] Exploring Operation: 24-24=0, Resulting Numbers: [71, 0] Generated Node #0,2,0: 72:[71, 0] Operation: 24-24=0 Exploring Operation: 71-24=47, Resulting Numbers: [24, 47] Generated Node #0,2,1: 72:[24, 47] Operation: 71-24=47 Exploring Operation: 24/24=1, Resulting Numbers: [71, 1] Generated Node #0,2,2: 72:[71, 1] Operation: 24/24=1 Moving to Node #0,0,0 Current State: 72:[71, 72], Operations: ['18/6=3', '24*3=72'] Exploring Operation: 71+72=143, Resulting Numbers: [143] 143,72 unequal: No Solution Exploring Operation: 72-71=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 71*72=5112, Resulting Numbers: [5112] 5112,72 unequal: No Solution Moving to Node #0,1,2 Current State: 72:[71, 2], Operations: ['18-6=12', '24/12=2'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,72 unequal: No Solution Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,72 unequal: No Solution Exploring Operation: 71*2=142, Resulting Numbers: [142] 142,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[71, 8], Operations: ['18/6=3', '24/3=8'] Exploring Operation: 71+8=79, Resulting Numbers: [79] 79,72 unequal: No Solution Exploring Operation: 71-8=63, Resulting Numbers: [63] 63,72 unequal: No Solution Exploring Operation: 71*8=568, Resulting Numbers: [568] 568,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[71, 12], Operations: ['18-6=12', '24-12=12'] Exploring Operation: 71-12=59, Resulting Numbers: [59] 59,72 unequal: No Solution Exploring Operation: 71+12=83, Resulting Numbers: [83] 83,72 unequal: No Solution Exploring Operation: 71*12=852, Resulting Numbers: [852] 852,72 unequal: No Solution Moving to Node #0,1,0 Current State: 72:[71, 36], Operations: ['18-6=12', '24+12=36'] Exploring Operation: 71-36=35, Resulting Numbers: [35] 35,72 unequal: No Solution Exploring Operation: 71*36=2556, Resulting Numbers: [2556] 2556,72 unequal: No Solution Exploring Operation: 71+36=107, Resulting Numbers: [107] 107,72 unequal: No Solution Moving to Node #0,2,2 Current State: 72:[71, 1], Operations: ['6+18=24', '24/24=1'] Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,72 unequal: No Solution Exploring Operation: 71+1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[71, 6, 18, 24], Operations: [] Exploring Operation: 6+18=24, Resulting Numbers: [71, 24, 24] Generated Node #0,2: 72:[71, 24, 24] Operation: 6+18=24 Moving to Node #0,2 Current State: 72:[71, 24, 24], Operations: ['6+18=24'] Exploring Operation: 24/24=1, Resulting Numbers: [71, 1] Generated Node #0,2,2: 72:[71, 1] Operation: 24/24=1 Moving to Node #0,2,2 Current State: 72:[71, 1], Operations: ['6+18=24', '24/24=1'] Exploring Operation: 71+1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
0.971354
hs_3
mult_heuristic
[ 81, 85, 34, 53 ]
70
[ "81-53=28", "85*28=2380", "2380/34=70" ]
Current State: 70:[81, 85, 34, 53], Operations: [] Exploring Operation: 81-53=28, Resulting Numbers: [85, 34, 28] Generated Node #2: [85, 34, 28] from Operation: 81-53=28 Current State: 70:[85, 34, 28], Operations: ['81-53=28'] Exploring Operation: 85*28=2380, Resulting Numbers: [34, 2380] Generated Node #3: [34, 2380] from Operation: 85*28=2380 Current State: 70:[34, 2380], Operations: ['81-53=28', '85*28=2380'] Exploring Operation: 2380/34=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[81, 85, 34, 53], Operations: [] Exploring Operation: 85-53=32, Resulting Numbers: [81, 34, 32] Generated Node #0,0: 70:[81, 34, 32] Operation: 85-53=32 Exploring Operation: 85-81=4, Resulting Numbers: [34, 53, 4] Generated Node #0,1: 70:[34, 53, 4] Operation: 85-81=4 Exploring Operation: 53-34=19, Resulting Numbers: [81, 85, 19] Generated Node #0,2: 70:[81, 85, 19] Operation: 53-34=19 Exploring Operation: 81-53=28, Resulting Numbers: [85, 34, 28] Generated Node #0,3: 70:[85, 34, 28] Operation: 81-53=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[81, 34, 32], Operations: ['85-53=32'] Exploring Operation: 81-34=47, Resulting Numbers: [32, 47] Generated Node #0,0,0: 70:[32, 47] Operation: 81-34=47 Exploring Operation: 34-32=2, Resulting Numbers: [81, 2] Generated Node #0,0,1: 70:[81, 2] Operation: 34-32=2 Exploring Operation: 34+32=66, Resulting Numbers: [81, 66] Generated Node #0,0,2: 70:[81, 66] Operation: 34+32=66 Exploring Operation: 81-32=49, Resulting Numbers: [34, 49] Generated Node #0,0,3: 70:[34, 49] Operation: 81-32=49 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 70:[81, 2], Operations: ['85-53=32', '34-32=2'] Exploring Operation: 81+2=83, Resulting Numbers: [83] 83,70 unequal: No Solution Exploring Operation: 81*2=162, Resulting Numbers: [162] 162,70 unequal: No Solution Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,70 unequal: No Solution No 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: 70:[32, 47], Operations: ['85-53=32', '81-34=47'] Exploring Operation: 32*47=1504, Resulting Numbers: [1504] 1504,70 unequal: No Solution Exploring Operation: 32+47=79, Resulting Numbers: [79] 79,70 unequal: No Solution Exploring Operation: 47-32=15, Resulting Numbers: [15] 15,70 unequal: No Solution No 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: 70:[81, 66], Operations: ['85-53=32', '34+32=66'] Exploring Operation: 81+66=147, Resulting Numbers: [147] 147,70 unequal: No Solution Exploring Operation: 81-66=15, Resulting Numbers: [15] 15,70 unequal: No Solution Exploring Operation: 81*66=5346, Resulting Numbers: [5346] 5346,70 unequal: No Solution No 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: 70:[34, 49], Operations: ['85-53=32', '81-32=49'] Exploring Operation: 34+49=83, Resulting Numbers: [83] 83,70 unequal: No Solution Exploring Operation: 34*49=1666, Resulting Numbers: [1666] 1666,70 unequal: No Solution Exploring Operation: 49-34=15, Resulting Numbers: [15] 15,70 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: 70:[34, 53, 4], Operations: ['85-81=4'] Exploring Operation: 53+4=57, Resulting Numbers: [34, 57] Generated Node #0,1,0: 70:[34, 57] Operation: 53+4=57 Exploring Operation: 34+53=87, Resulting Numbers: [4, 87] Generated Node #0,1,1: 70:[4, 87] Operation: 34+53=87 Exploring Operation: 53-34=19, Resulting Numbers: [4, 19] Generated Node #0,1,2: 70:[4, 19] Operation: 53-34=19 Exploring Operation: 53-4=49, Resulting Numbers: [34, 49] Generated Node #0,1,3: 70:[34, 49] Operation: 53-4=49 Moving to Node #0,1,2 Current State: 70:[4, 19], Operations: ['85-81=4', '53-34=19'] Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,70 unequal: No Solution Exploring Operation: 4+19=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[34, 57], Operations: ['85-81=4', '53+4=57'] Exploring Operation: 34+57=91, Resulting Numbers: [91] 91,70 unequal: No Solution Exploring Operation: 57-34=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 34*57=1938, Resulting Numbers: [1938] 1938,70 unequal: No Solution Moving to Node #0,1,3 Current State: 70:[34, 49], Operations: ['85-81=4', '53-4=49'] Exploring Operation: 34+49=83, Resulting Numbers: [83] 83,70 unequal: No Solution Exploring Operation: 34*49=1666, Resulting Numbers: [1666] 1666,70 unequal: No Solution Exploring Operation: 49-34=15, Resulting Numbers: [15] 15,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[4, 87], Operations: ['85-81=4', '34+53=87'] Exploring Operation: 4+87=91, Resulting Numbers: [91] 91,70 unequal: No Solution Exploring Operation: 87-4=83, Resulting Numbers: [83] 83,70 unequal: No Solution Exploring Operation: 4*87=348, Resulting Numbers: [348] 348,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 70:[85, 34, 28], Operations: ['81-53=28'] Exploring Operation: 34-28=6, Resulting Numbers: [85, 6] Generated Node #0,3,0: 70:[85, 6] Operation: 34-28=6 Exploring Operation: 85-28=57, Resulting Numbers: [34, 57] Generated Node #0,3,1: 70:[34, 57] Operation: 85-28=57 Exploring Operation: 34+28=62, Resulting Numbers: [85, 62] Generated Node #0,3,2: 70:[85, 62] Operation: 34+28=62 Exploring Operation: 85-34=51, Resulting Numbers: [28, 51] Generated Node #0,3,3: 70:[28, 51] Operation: 85-34=51 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 70:[34, 57], Operations: ['81-53=28', '85-28=57'] Exploring Operation: 34*57=1938, Resulting Numbers: [1938] 1938,70 unequal: No Solution Exploring Operation: 34+57=91, Resulting Numbers: [91] 91,70 unequal: No Solution Exploring Operation: 57-34=23, Resulting Numbers: [23] 23,70 unequal: No Solution No 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: 70:[85, 6], Operations: ['81-53=28', '34-28=6'] Exploring Operation: 85*6=510, Resulting Numbers: [510] 510,70 unequal: No Solution Exploring Operation: 85-6=79, Resulting Numbers: [79] 79,70 unequal: No Solution Exploring Operation: 85+6=91, Resulting Numbers: [91] 91,70 unequal: No Solution No 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: 70:[85, 62], Operations: ['81-53=28', '34+28=62'] Exploring Operation: 85+62=147, Resulting Numbers: [147] 147,70 unequal: No Solution Exploring Operation: 85*62=5270, Resulting Numbers: [5270] 5270,70 unequal: No Solution Exploring Operation: 85-62=23, Resulting Numbers: [23] 23,70 unequal: No Solution No 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: 70:[28, 51], Operations: ['81-53=28', '85-34=51'] Exploring Operation: 28+51=79, Resulting Numbers: [79] 79,70 unequal: No Solution Exploring Operation: 51-28=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 28*51=1428, Resulting Numbers: [1428] 1428,70 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: 70:[81, 85, 19], Operations: ['53-34=19'] Exploring Operation: 85-81=4, Resulting Numbers: [19, 4] Generated Node #0,2,0: 70:[19, 4] Operation: 85-81=4 Exploring Operation: 81+19=100, Resulting Numbers: [85, 100] Generated Node #0,2,1: 70:[85, 100] Operation: 81+19=100 Exploring Operation: 81-19=62, Resulting Numbers: [85, 62] Generated Node #0,2,2: 70:[85, 62] Operation: 81-19=62 Exploring Operation: 85-19=66, Resulting Numbers: [81, 66] Generated Node #0,2,3: 70:[81, 66] Operation: 85-19=66 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 70:[19, 4], Operations: ['53-34=19', '85-81=4'] Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,70 unequal: No Solution Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,70 unequal: No Solution No 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: 70:[81, 66], Operations: ['53-34=19', '85-19=66'] Exploring Operation: 81*66=5346, Resulting Numbers: [5346] 5346,70 unequal: No Solution Exploring Operation: 81-66=15, Resulting Numbers: [15] 15,70 unequal: No Solution Exploring Operation: 81+66=147, Resulting Numbers: [147] 147,70 unequal: No Solution No 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: 70:[85, 62], Operations: ['53-34=19', '81-19=62'] Exploring Operation: 85*62=5270, Resulting Numbers: [5270] 5270,70 unequal: No Solution Exploring Operation: 85-62=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 85+62=147, Resulting Numbers: [147] 147,70 unequal: No Solution No 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: 70:[85, 100], Operations: ['53-34=19', '81+19=100'] Exploring Operation: 85+100=185, Resulting Numbers: [185] 185,70 unequal: No Solution Exploring Operation: 85*100=8500, Resulting Numbers: [8500] 8500,70 unequal: No Solution Exploring Operation: 100-85=15, Resulting Numbers: [15] 15,70 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
[ 85, 59, 4, 11 ]
47
[ "85+59=144", "144/4=36", "11+36=47" ]
Current State: 47:[85, 59, 4, 11], Operations: [] Exploring Operation: 85+59=144, Resulting Numbers: [4, 11, 144] Generated Node #2: [4, 11, 144] from Operation: 85+59=144 Current State: 47:[4, 11, 144], Operations: ['85+59=144'] Exploring Operation: 144/4=36, Resulting Numbers: [11, 36] Generated Node #3: [11, 36] from Operation: 144/4=36 Current State: 47:[11, 36], Operations: ['85+59=144', '144/4=36'] Exploring Operation: 11+36=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[85, 59, 4, 11], Operations: [] Exploring Operation: 85-4=81, Resulting Numbers: [59, 11, 81] Generated Node #0,0: 47:[59, 11, 81] Operation: 85-4=81 Exploring Operation: 4*11=44, Resulting Numbers: [85, 59, 44] Generated Node #0,1: 47:[85, 59, 44] Operation: 4*11=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[85, 59, 44], Operations: ['4*11=44'] Exploring Operation: 85-44=41, Resulting Numbers: [59, 41] Generated Node #0,1,0: 47:[59, 41] Operation: 85-44=41 Exploring Operation: 85-59=26, Resulting Numbers: [44, 26] Generated Node #0,1,1: 47:[44, 26] Operation: 85-59=26 Moving to Node #0,1,0 Current State: 47:[59, 41], Operations: ['4*11=44', '85-44=41'] Exploring Operation: 59+41=100, Resulting Numbers: [100] 100,47 unequal: No Solution Exploring Operation: 59-41=18, Resulting Numbers: [18] 18,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[44, 26], Operations: ['4*11=44', '85-59=26'] Exploring Operation: 44+26=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 44-26=18, Resulting Numbers: [18] 18,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[59, 11, 81], Operations: ['85-4=81'] Exploring Operation: 59-11=48, Resulting Numbers: [81, 48] Generated Node #0,0,0: 47:[81, 48] Operation: 59-11=48 Exploring Operation: 81-11=70, Resulting Numbers: [59, 70] Generated Node #0,0,1: 47:[59, 70] Operation: 81-11=70 Moving to Node #0,0,0 Current State: 47:[81, 48], Operations: ['85-4=81', '59-11=48'] Exploring Operation: 81-48=33, Resulting Numbers: [33] 33,47 unequal: No Solution Exploring Operation: 81+48=129, Resulting Numbers: [129] 129,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[59, 70], Operations: ['85-4=81', '81-11=70'] Exploring Operation: 70-59=11, Resulting Numbers: [11] 11,47 unequal: No Solution Exploring Operation: 59+70=129, Resulting Numbers: [129] 129,47 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
[ 31, 84, 55, 73 ]
57
[ "73-31=42", "84/42=2", "55+2=57" ]
Current State: 57:[31, 84, 55, 73], Operations: [] Exploring Operation: 73-31=42, Resulting Numbers: [84, 55, 42] Generated Node #2: [84, 55, 42] from Operation: 73-31=42 Current State: 57:[84, 55, 42], Operations: ['73-31=42'] Exploring Operation: 84/42=2, Resulting Numbers: [55, 2] Generated Node #3: [55, 2] from Operation: 84/42=2 Current State: 57:[55, 2], Operations: ['73-31=42', '84/42=2'] Exploring Operation: 55+2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[31, 84, 55, 73], Operations: [] Exploring Operation: 84-31=53, Resulting Numbers: [55, 73, 53] Generated Node #0,0: 57:[55, 73, 53] Operation: 84-31=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[55, 73, 53], Operations: ['84-31=53'] Exploring Operation: 73-53=20, Resulting Numbers: [55, 20] Generated Node #0,0,0: 57:[55, 20] Operation: 73-53=20 Moving to Node #0,0,0 Current State: 57:[55, 20], Operations: ['84-31=53', '73-53=20'] Exploring Operation: 55-20=35, Resulting Numbers: [35] 35,57 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
[ 29, 70, 2, 87 ]
75
[ "29+70=99", "2*87=174", "174-99=75" ]
Current State: 75:[29, 70, 2, 87], Operations: [] Exploring Operation: 29+70=99, Resulting Numbers: [2, 87, 99] Generated Node #2: [2, 87, 99] from Operation: 29+70=99 Current State: 75:[2, 87, 99], Operations: ['29+70=99'] Exploring Operation: 2*87=174, Resulting Numbers: [99, 174] Generated Node #3: [99, 174] from Operation: 2*87=174 Current State: 75:[99, 174], Operations: ['29+70=99', '2*87=174'] Exploring Operation: 174-99=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[29, 70, 2, 87], Operations: [] Exploring Operation: 70+2=72, Resulting Numbers: [29, 87, 72] Generated Node #0,0: 75:[29, 87, 72] Operation: 70+2=72 Exploring Operation: 87/29=3, Resulting Numbers: [70, 2, 3] Generated Node #0,1: 75:[70, 2, 3] Operation: 87/29=3 Exploring Operation: 29-2=27, Resulting Numbers: [70, 87, 27] Generated Node #0,2: 75:[70, 87, 27] Operation: 29-2=27 Exploring Operation: 87-70=17, Resulting Numbers: [29, 2, 17] Generated Node #0,3: 75:[29, 2, 17] Operation: 87-70=17 Exploring Operation: 87-2=85, Resulting Numbers: [29, 70, 85] Generated Node #0,4: 75:[29, 70, 85] Operation: 87-2=85 Moving to Node #0,1 Current State: 75:[70, 2, 3], Operations: ['87/29=3'] Exploring Operation: 70-2=68, Resulting Numbers: [3, 68] Generated Node #0,1,0: 75:[3, 68] Operation: 70-2=68 Exploring Operation: 2*3=6, Resulting Numbers: [70, 6] Generated Node #0,1,1: 75:[70, 6] Operation: 2*3=6 Exploring Operation: 70+2=72, Resulting Numbers: [3, 72] Generated Node #0,1,2: 75:[3, 72] Operation: 70+2=72 Exploring Operation: 70+3=73, Resulting Numbers: [2, 73] Generated Node #0,1,3: 75:[2, 73] Operation: 70+3=73 Exploring Operation: 2+3=5, Resulting Numbers: [70, 5] Generated Node #0,1,4: 75:[70, 5] Operation: 2+3=5 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 75:[3, 72], Operations: ['87/29=3', '70+2=72'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,75 unequal: No Solution Exploring Operation: 3*72=216, Resulting Numbers: [216] 216,75 unequal: No Solution Exploring Operation: 3+72=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[29, 70, 2, 87], Operations: [] Exploring Operation: 87/29=3, Resulting Numbers: [70, 2, 3] Generated Node #0,1: 75:[70, 2, 3] Operation: 87/29=3 Moving to Node #0,1 Current State: 75:[70, 2, 3], Operations: ['87/29=3'] Exploring Operation: 70+2=72, Resulting Numbers: [3, 72] Generated Node #0,1,2: 75:[3, 72] Operation: 70+2=72 Moving to Node #0,1,2 Current State: 75:[3, 72], Operations: ['87/29=3', '70+2=72'] Exploring Operation: 3+72=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 14, 2, 4, 59 ]
95
[ "14+4=18", "2*18=36", "59+36=95" ]
Current State: 95:[14, 2, 4, 59], Operations: [] Exploring Operation: 14+4=18, Resulting Numbers: [2, 59, 18] Generated Node #2: [2, 59, 18] from Operation: 14+4=18 Current State: 95:[2, 59, 18], Operations: ['14+4=18'] Exploring Operation: 2*18=36, Resulting Numbers: [59, 36] Generated Node #3: [59, 36] from Operation: 2*18=36 Current State: 95:[59, 36], Operations: ['14+4=18', '2*18=36'] Exploring Operation: 59+36=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[14, 2, 4, 59], Operations: [] Exploring Operation: 2*59=118, Resulting Numbers: [14, 4, 118] Generated Node #0,0: 95:[14, 4, 118] Operation: 2*59=118 Exploring Operation: 14+59=73, Resulting Numbers: [2, 4, 73] Generated Node #0,1: 95:[2, 4, 73] Operation: 14+59=73 Moving to Node #0,1 Current State: 95:[2, 4, 73], Operations: ['14+59=73'] Exploring Operation: 2+73=75, Resulting Numbers: [4, 75] Generated Node #0,1,0: 95:[4, 75] Operation: 2+73=75 Exploring Operation: 4+73=77, Resulting Numbers: [2, 77] Generated Node #0,1,1: 95:[2, 77] Operation: 4+73=77 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 95:[4, 75], Operations: ['14+59=73', '2+73=75'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,95 unequal: No Solution Exploring Operation: 4+75=79, Resulting Numbers: [79] 79,95 unequal: No Solution No 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: 95:[2, 77], Operations: ['14+59=73', '4+73=77'] Exploring Operation: 2+77=79, Resulting Numbers: [79] 79,95 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,95 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: 95:[14, 4, 118], Operations: ['2*59=118'] Exploring Operation: 14+4=18, Resulting Numbers: [118, 18] Generated Node #0,0,0: 95:[118, 18] Operation: 14+4=18 Exploring Operation: 118-14=104, Resulting Numbers: [4, 104] Generated Node #0,0,1: 95:[4, 104] Operation: 118-14=104 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 95:[4, 104], Operations: ['2*59=118', '118-14=104'] Exploring Operation: 104/4=26, Resulting Numbers: [26] 26,95 unequal: No Solution Exploring Operation: 104-4=100, Resulting Numbers: [100] 100,95 unequal: No Solution No 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: 95:[118, 18], Operations: ['2*59=118', '14+4=18'] Exploring Operation: 118+18=136, Resulting Numbers: [136] 136,95 unequal: No Solution Exploring Operation: 118-18=100, Resulting Numbers: [100] 100,95 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
[ 49, 41, 6, 30 ]
85
[ "49+41=90", "30/6=5", "90-5=85" ]
Current State: 85:[49, 41, 6, 30], Operations: [] Exploring Operation: 49+41=90, Resulting Numbers: [6, 30, 90] Generated Node #2: [6, 30, 90] from Operation: 49+41=90 Current State: 85:[6, 30, 90], Operations: ['49+41=90'] Exploring Operation: 30/6=5, Resulting Numbers: [90, 5] Generated Node #3: [90, 5] from Operation: 30/6=5 Current State: 85:[90, 5], Operations: ['49+41=90', '30/6=5'] Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[49, 41, 6, 30], Operations: [] Exploring Operation: 49-41=8, Resulting Numbers: [6, 30, 8] Generated Node #0,0: 85:[6, 30, 8] Operation: 49-41=8 Moving to Node #0,0 Current State: 85:[6, 30, 8], Operations: ['49-41=8'] Exploring Operation: 30/6=5, Resulting Numbers: [8, 5] Generated Node #0,0,0: 85:[8, 5] Operation: 30/6=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[8, 5], Operations: ['49-41=8', '30/6=5'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 4, 54, 72, 56 ]
38
[ "4+72=76", "56-54=2", "76/2=38" ]
Current State: 38:[4, 54, 72, 56], Operations: [] Exploring Operation: 4+72=76, Resulting Numbers: [54, 56, 76] Generated Node #2: [54, 56, 76] from Operation: 4+72=76 Current State: 38:[54, 56, 76], Operations: ['4+72=76'] Exploring Operation: 56-54=2, Resulting Numbers: [76, 2] Generated Node #3: [76, 2] from Operation: 56-54=2 Current State: 38:[76, 2], Operations: ['4+72=76', '56-54=2'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[4, 54, 72, 56], Operations: [] Exploring Operation: 72-54=18, Resulting Numbers: [4, 56, 18] Generated Node #0,0: 38:[4, 56, 18] Operation: 72-54=18 Exploring Operation: 72-56=16, Resulting Numbers: [4, 54, 16] Generated Node #0,1: 38:[4, 54, 16] Operation: 72-56=16 Exploring Operation: 56-54=2, Resulting Numbers: [4, 72, 2] Generated Node #0,2: 38:[4, 72, 2] Operation: 56-54=2 Exploring Operation: 72/4=18, Resulting Numbers: [54, 56, 18] Generated Node #0,3: 38:[54, 56, 18] Operation: 72/4=18 Moving to Node #0,0 Current State: 38:[4, 56, 18], Operations: ['72-54=18'] Exploring Operation: 56/4=14, Resulting Numbers: [18, 14] Generated Node #0,0,0: 38:[18, 14] Operation: 56/4=14 Exploring Operation: 56-4=52, Resulting Numbers: [18, 52] Generated Node #0,0,1: 38:[18, 52] Operation: 56-4=52 Exploring Operation: 4+18=22, Resulting Numbers: [56, 22] Generated Node #0,0,2: 38:[56, 22] Operation: 4+18=22 Exploring Operation: 56-18=38, Resulting Numbers: [4, 38] Generated Node #0,0,3: 38:[4, 38] Operation: 56-18=38 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 38:[4, 38], Operations: ['72-54=18', '56-18=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,38 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,38 unequal: No Solution Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[18, 14], Operations: ['72-54=18', '56/4=14'] Exploring Operation: 18*14=252, Resulting Numbers: [252] 252,38 unequal: No Solution Exploring Operation: 18+14=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 38:[18, 52], Operations: ['72-54=18', '56-4=52'] Exploring Operation: 52-18=34, Resulting Numbers: [34] 34,38 unequal: No Solution Exploring Operation: 18*52=936, Resulting Numbers: [936] 936,38 unequal: No Solution Exploring Operation: 18+52=70, Resulting Numbers: [70] 70,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 38:[56, 22], Operations: ['72-54=18', '4+18=22'] Exploring Operation: 56*22=1232, Resulting Numbers: [1232] 1232,38 unequal: No Solution Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,38 unequal: No Solution Exploring Operation: 56+22=78, Resulting Numbers: [78] 78,38 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: 38:[4, 54, 16], Operations: ['72-56=16'] Exploring Operation: 54-16=38, Resulting Numbers: [4, 38] Generated Node #0,1,0: 38:[4, 38] Operation: 54-16=38 Exploring Operation: 54-4=50, Resulting Numbers: [16, 50] Generated Node #0,1,1: 38:[16, 50] Operation: 54-4=50 Exploring Operation: 4+16=20, Resulting Numbers: [54, 20] Generated Node #0,1,2: 38:[54, 20] Operation: 4+16=20 Exploring Operation: 16/4=4, Resulting Numbers: [54, 4] Generated Node #0,1,3: 38:[54, 4] Operation: 16/4=4 Moving to Node #0,3 Current State: 38:[54, 56, 18], Operations: ['72/4=18'] Exploring Operation: 56-54=2, Resulting Numbers: [18, 2] Generated Node #0,3,0: 38:[18, 2] Operation: 56-54=2 Exploring Operation: 56-18=38, Resulting Numbers: [54, 38] Generated Node #0,3,1: 38:[54, 38] Operation: 56-18=38 Exploring Operation: 54-18=36, Resulting Numbers: [56, 36] Generated Node #0,3,2: 38:[56, 36] Operation: 54-18=36 Exploring Operation: 54/18=3, Resulting Numbers: [56, 3] Generated Node #0,3,3: 38:[56, 3] Operation: 54/18=3 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 38:[18, 2], Operations: ['72/4=18', '56-54=2'] Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,38 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,38 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,38 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 38:[54, 38], Operations: ['72/4=18', '56-18=38'] Exploring Operation: 54*38=2052, Resulting Numbers: [2052] 2052,38 unequal: No Solution Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,38 unequal: No Solution Exploring Operation: 54+38=92, Resulting Numbers: [92] 92,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 38:[56, 3], Operations: ['72/4=18', '54/18=3'] Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,38 unequal: No Solution Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,38 unequal: No Solution Exploring Operation: 56*3=168, Resulting Numbers: [168] 168,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 38:[56, 36], Operations: ['72/4=18', '54-18=36'] Exploring Operation: 56*36=2016, Resulting Numbers: [2016] 2016,38 unequal: No Solution Exploring Operation: 56+36=92, Resulting Numbers: [92] 92,38 unequal: No Solution Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,38 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: 38:[4, 72, 2], Operations: ['56-54=2'] Exploring Operation: 72/2=36, Resulting Numbers: [4, 36] Generated Node #0,2,0: 38:[4, 36] Operation: 72/2=36 Exploring Operation: 72/4=18, Resulting Numbers: [2, 18] Generated Node #0,2,1: 38:[2, 18] Operation: 72/4=18 Exploring Operation: 72-4=68, Resulting Numbers: [2, 68] Generated Node #0,2,2: 38:[2, 68] Operation: 72-4=68 Exploring Operation: 4-2=2, Resulting Numbers: [72, 2] Generated Node #0,2,3: 38:[72, 2] Operation: 4-2=2 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 38:[2, 18], Operations: ['56-54=2', '72/4=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,38 unequal: No Solution Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,38 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,38 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 38:[4, 36], Operations: ['56-54=2', '72/2=36'] Exploring Operation: 4*36=144, Resulting Numbers: [144] 144,38 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,38 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 38:[2, 68], Operations: ['56-54=2', '72-4=68'] Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,38 unequal: No Solution Exploring Operation: 2*68=136, Resulting Numbers: [136] 136,38 unequal: No Solution Exploring Operation: 2+68=70, Resulting Numbers: [70] 70,38 unequal: No Solution Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 38:[72, 2], Operations: ['56-54=2', '4-2=2'] Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,38 unequal: No Solution Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,38 unequal: No Solution Exploring Operation: 72+2=74, Resulting Numbers: [74] 74,38 unequal: No Solution Exploring Operation: 72*2=144, Resulting Numbers: [144] 144,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 38:[4, 38], Operations: ['72-56=16', '54-16=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,38 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,38 unequal: No Solution Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,38 unequal: No Solution Moving to Node #0,1,1 Current State: 38:[16, 50], Operations: ['72-56=16', '54-4=50'] Exploring Operation: 16*50=800, Resulting Numbers: [800] 800,38 unequal: No Solution Exploring Operation: 50-16=34, Resulting Numbers: [34] 34,38 unequal: No Solution Exploring Operation: 16+50=66, Resulting Numbers: [66] 66,38 unequal: No Solution Moving to Node #0,1,2 Current State: 38:[54, 20], Operations: ['72-56=16', '4+16=20'] Exploring Operation: 54+20=74, Resulting Numbers: [74] 74,38 unequal: No Solution Exploring Operation: 54*20=1080, Resulting Numbers: [1080] 1080,38 unequal: No Solution Exploring Operation: 54-20=34, Resulting Numbers: [34] 34,38 unequal: No Solution Moving to Node #0,1,3 Current State: 38:[54, 4], Operations: ['72-56=16', '16/4=4'] Exploring Operation: 54*4=216, Resulting Numbers: [216] 216,38 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,38 unequal: No Solution Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,38 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 19, 33, 77, 1 ]
42
[ "19-1=18", "77*18=1386", "1386/33=42" ]
Current State: 42:[19, 33, 77, 1], Operations: [] Exploring Operation: 19-1=18, Resulting Numbers: [33, 77, 18] Generated Node #2: [33, 77, 18] from Operation: 19-1=18 Current State: 42:[33, 77, 18], Operations: ['19-1=18'] Exploring Operation: 77*18=1386, Resulting Numbers: [33, 1386] Generated Node #3: [33, 1386] from Operation: 77*18=1386 Current State: 42:[33, 1386], Operations: ['19-1=18', '77*18=1386'] Exploring Operation: 1386/33=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[19, 33, 77, 1], Operations: [] Exploring Operation: 77-19=58, Resulting Numbers: [33, 1, 58] Generated Node #0,0: 42:[33, 1, 58] Operation: 77-19=58 Exploring Operation: 77-33=44, Resulting Numbers: [19, 1, 44] Generated Node #0,1: 42:[19, 1, 44] Operation: 77-33=44 Moving to Node #0,1 Current State: 42:[19, 1, 44], Operations: ['77-33=44'] Exploring Operation: 44-1=43, Resulting Numbers: [19, 43] Generated Node #0,1,0: 42:[19, 43] Operation: 44-1=43 Exploring Operation: 19+1=20, Resulting Numbers: [44, 20] Generated Node #0,1,1: 42:[44, 20] Operation: 19+1=20 Moving to Node #0,0 Current State: 42:[33, 1, 58], Operations: ['77-19=58'] Exploring Operation: 58-33=25, Resulting Numbers: [1, 25] Generated Node #0,0,0: 42:[1, 25] Operation: 58-33=25 Exploring Operation: 33+1=34, Resulting Numbers: [58, 34] Generated Node #0,0,1: 42:[58, 34] Operation: 33+1=34 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[1, 25], Operations: ['77-19=58', '58-33=25'] Exploring Operation: 1*25=25, Resulting Numbers: [25] 25,42 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,42 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 #0,0,1 Current State: 42:[58, 34], Operations: ['77-19=58', '33+1=34'] Exploring Operation: 58+34=92, Resulting Numbers: [92] 92,42 unequal: No Solution Exploring Operation: 58-34=24, Resulting Numbers: [24] 24,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 42:[19, 43], Operations: ['77-33=44', '44-1=43'] Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,42 unequal: No Solution Exploring Operation: 19+43=62, Resulting Numbers: [62] 62,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[44, 20], Operations: ['77-33=44', '19+1=20'] Exploring Operation: 44+20=64, Resulting Numbers: [64] 64,42 unequal: No Solution Exploring Operation: 44-20=24, Resulting Numbers: [24] 24,42 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 8, 58, 48, 21 ]
93
[ "8+58=66", "48-21=27", "66+27=93" ]
Current State: 93:[8, 58, 48, 21], Operations: [] Exploring Operation: 8+58=66, Resulting Numbers: [48, 21, 66] Generated Node #2: [48, 21, 66] from Operation: 8+58=66 Current State: 93:[48, 21, 66], Operations: ['8+58=66'] Exploring Operation: 48-21=27, Resulting Numbers: [66, 27] Generated Node #3: [66, 27] from Operation: 48-21=27 Current State: 93:[66, 27], Operations: ['8+58=66', '48-21=27'] Exploring Operation: 66+27=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[8, 58, 48, 21], Operations: [] Exploring Operation: 58+48=106, Resulting Numbers: [8, 21, 106] Generated Node #0,0: 93:[8, 21, 106] Operation: 58+48=106 Exploring Operation: 58-48=10, Resulting Numbers: [8, 21, 10] Generated Node #0,1: 93:[8, 21, 10] Operation: 58-48=10 Exploring Operation: 58-21=37, Resulting Numbers: [8, 48, 37] Generated Node #0,2: 93:[8, 48, 37] Operation: 58-21=37 Moving to Node #0,1 Current State: 93:[8, 21, 10], Operations: ['58-48=10'] Exploring Operation: 8+21=29, Resulting Numbers: [10, 29] Generated Node #0,1,0: 93:[10, 29] Operation: 8+21=29 Exploring Operation: 21+10=31, Resulting Numbers: [8, 31] Generated Node #0,1,1: 93:[8, 31] Operation: 21+10=31 Exploring Operation: 10-8=2, Resulting Numbers: [21, 2] Generated Node #0,1,2: 93:[21, 2] Operation: 10-8=2 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[8, 31], Operations: ['58-48=10', '21+10=31'] Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,93 unequal: No Solution Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,93 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[10, 29], Operations: ['58-48=10', '8+21=29'] Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,93 unequal: No Solution Exploring Operation: 10+29=39, Resulting Numbers: [39] 39,93 unequal: No Solution Exploring Operation: 10*29=290, Resulting Numbers: [290] 290,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 93:[21, 2], Operations: ['58-48=10', '10-8=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,93 unequal: No Solution Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,93 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,93 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: 93:[8, 21, 106], Operations: ['58+48=106'] Exploring Operation: 106-8=98, Resulting Numbers: [21, 98] Generated Node #0,0,0: 93:[21, 98] Operation: 106-8=98 Exploring Operation: 106-21=85, Resulting Numbers: [8, 85] Generated Node #0,0,1: 93:[8, 85] Operation: 106-21=85 Exploring Operation: 8+21=29, Resulting Numbers: [106, 29] Generated Node #0,0,2: 93:[106, 29] Operation: 8+21=29 Moving to Node #0,2 Current State: 93:[8, 48, 37], Operations: ['58-21=37'] Exploring Operation: 48+37=85, Resulting Numbers: [8, 85] Generated Node #0,2,0: 93:[8, 85] Operation: 48+37=85 Exploring Operation: 48-37=11, Resulting Numbers: [8, 11] Generated Node #0,2,1: 93:[8, 11] Operation: 48-37=11 Exploring Operation: 48/8=6, Resulting Numbers: [37, 6] Generated Node #0,2,2: 93:[37, 6] Operation: 48/8=6 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 93:[37, 6], Operations: ['58-21=37', '48/8=6'] Exploring Operation: 37+6=43, Resulting Numbers: [43] 43,93 unequal: No Solution Exploring Operation: 37*6=222, Resulting Numbers: [222] 222,93 unequal: No Solution Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 93:[8, 85], Operations: ['58-21=37', '48+37=85'] Exploring Operation: 8+85=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[8, 58, 48, 21], Operations: [] Exploring Operation: 58-21=37, Resulting Numbers: [8, 48, 37] Generated Node #0,2: 93:[8, 48, 37] Operation: 58-21=37 Moving to Node #0,2 Current State: 93:[8, 48, 37], Operations: ['58-21=37'] Exploring Operation: 48+37=85, Resulting Numbers: [8, 85] Generated Node #0,2,0: 93:[8, 85] Operation: 48+37=85 Moving to Node #0,2,0 Current State: 93:[8, 85], Operations: ['58-21=37', '48+37=85'] Exploring Operation: 8+85=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_3
sum_heuristic
[ 21, 46, 49, 45 ]
28
[ "49-21=28", "46-45=1", "28*1=28" ]
Current State: 28:[21, 46, 49, 45], Operations: [] Exploring Operation: 49-21=28, Resulting Numbers: [46, 45, 28] Generated Node #2: [46, 45, 28] from Operation: 49-21=28 Current State: 28:[46, 45, 28], Operations: ['49-21=28'] Exploring Operation: 46-45=1, Resulting Numbers: [28, 1] Generated Node #3: [28, 1] from Operation: 46-45=1 Current State: 28:[28, 1], Operations: ['49-21=28', '46-45=1'] Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[21, 46, 49, 45], Operations: [] Exploring Operation: 49-46=3, Resulting Numbers: [21, 45, 3] Generated Node #0,0: 28:[21, 45, 3] Operation: 49-46=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[21, 45, 3], Operations: ['49-46=3'] Exploring Operation: 45-21=24, Resulting Numbers: [3, 24] Generated Node #0,0,0: 28:[3, 24] Operation: 45-21=24 Moving to Node #0,0,0 Current State: 28:[3, 24], Operations: ['49-46=3', '45-21=24'] Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,28 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
[ 46, 68, 78, 88 ]
32
[ "68-46=22", "88-78=10", "22+10=32" ]
Current State: 32:[46, 68, 78, 88], Operations: [] Exploring Operation: 68-46=22, Resulting Numbers: [78, 88, 22] Generated Node #2: [78, 88, 22] from Operation: 68-46=22 Current State: 32:[78, 88, 22], Operations: ['68-46=22'] Exploring Operation: 88-78=10, Resulting Numbers: [22, 10] Generated Node #3: [22, 10] from Operation: 88-78=10 Current State: 32:[22, 10], Operations: ['68-46=22', '88-78=10'] Exploring Operation: 22+10=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[46, 68, 78, 88], Operations: [] Exploring Operation: 88-68=20, Resulting Numbers: [46, 78, 20] Generated Node #0,0: 32:[46, 78, 20] Operation: 88-68=20 Exploring Operation: 88-46=42, Resulting Numbers: [68, 78, 42] Generated Node #0,1: 32:[68, 78, 42] Operation: 88-46=42 Exploring Operation: 88-78=10, Resulting Numbers: [46, 68, 10] Generated Node #0,2: 32:[46, 68, 10] Operation: 88-78=10 Exploring Operation: 78-68=10, Resulting Numbers: [46, 88, 10] Generated Node #0,3: 32:[46, 88, 10] Operation: 78-68=10 Exploring Operation: 78-46=32, Resulting Numbers: [68, 88, 32] Generated Node #0,4: 32:[68, 88, 32] Operation: 78-46=32 Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[46, 68, 10], Operations: ['88-78=10'] Exploring Operation: 46+10=56, Resulting Numbers: [68, 56] Generated Node #0,2,0: 32:[68, 56] Operation: 46+10=56 Exploring Operation: 68-46=22, Resulting Numbers: [10, 22] Generated Node #0,2,1: 32:[10, 22] Operation: 68-46=22 Exploring Operation: 46-10=36, Resulting Numbers: [68, 36] Generated Node #0,2,2: 32:[68, 36] Operation: 46-10=36 Exploring Operation: 68+10=78, Resulting Numbers: [46, 78] Generated Node #0,2,3: 32:[46, 78] Operation: 68+10=78 Exploring Operation: 68-10=58, Resulting Numbers: [46, 58] Generated Node #0,2,4: 32:[46, 58] Operation: 68-10=58 Moving to Node #0,2,1 Current State: 32:[10, 22], Operations: ['88-78=10', '68-46=22'] Exploring Operation: 10*22=220, Resulting Numbers: [220] 220,32 unequal: No Solution Exploring Operation: 10+22=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[46, 68, 78, 88], Operations: [] Exploring Operation: 88-78=10, Resulting Numbers: [46, 68, 10] Generated Node #0,2: 32:[46, 68, 10] Operation: 88-78=10 Moving to Node #0,2 Current State: 32:[46, 68, 10], Operations: ['88-78=10'] Exploring Operation: 68-46=22, Resulting Numbers: [10, 22] Generated Node #0,2,1: 32:[10, 22] Operation: 68-46=22 Moving to Node #0,2,1 Current State: 32:[10, 22], Operations: ['88-78=10', '68-46=22'] Exploring Operation: 10+22=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 4, 98, 50, 68 ]
34
[ "4*50=200", "98+68=166", "200-166=34" ]
Current State: 34:[4, 98, 50, 68], Operations: [] Exploring Operation: 4*50=200, Resulting Numbers: [98, 68, 200] Generated Node #2: [98, 68, 200] from Operation: 4*50=200 Current State: 34:[98, 68, 200], Operations: ['4*50=200'] Exploring Operation: 98+68=166, Resulting Numbers: [200, 166] Generated Node #3: [200, 166] from Operation: 98+68=166 Current State: 34:[200, 166], Operations: ['4*50=200', '98+68=166'] Exploring Operation: 200-166=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[4, 98, 50, 68], Operations: [] Exploring Operation: 98-50=48, Resulting Numbers: [4, 68, 48] Generated Node #0,0: 34:[4, 68, 48] Operation: 98-50=48 Exploring Operation: 68-50=18, Resulting Numbers: [4, 98, 18] Generated Node #0,1: 34:[4, 98, 18] Operation: 68-50=18 Exploring Operation: 98-68=30, Resulting Numbers: [4, 50, 30] Generated Node #0,2: 34:[4, 50, 30] Operation: 98-68=30 Moving to Node #0,2 Current State: 34:[4, 50, 30], Operations: ['98-68=30'] Exploring Operation: 4+30=34, Resulting Numbers: [50, 34] Generated Node #0,2,0: 34:[50, 34] Operation: 4+30=34 Exploring Operation: 50-30=20, Resulting Numbers: [4, 20] Generated Node #0,2,1: 34:[4, 20] Operation: 50-30=20 Exploring Operation: 50-4=46, Resulting Numbers: [30, 46] Generated Node #0,2,2: 34:[30, 46] Operation: 50-4=46 Moving to Node #0,0 Current State: 34:[4, 68, 48], Operations: ['98-50=48'] Exploring Operation: 68-48=20, Resulting Numbers: [4, 20] Generated Node #0,0,0: 34:[4, 20] Operation: 68-48=20 Exploring Operation: 68/4=17, Resulting Numbers: [48, 17] Generated Node #0,0,1: 34:[48, 17] Operation: 68/4=17 Exploring Operation: 48/4=12, Resulting Numbers: [68, 12] Generated Node #0,0,2: 34:[68, 12] Operation: 48/4=12 Moving to Node #0,1 Current State: 34:[4, 98, 18], Operations: ['68-50=18'] Exploring Operation: 98-4=94, Resulting Numbers: [18, 94] Generated Node #0,1,0: 34:[18, 94] Operation: 98-4=94 Exploring Operation: 18-4=14, Resulting Numbers: [98, 14] Generated Node #0,1,1: 34:[98, 14] Operation: 18-4=14 Exploring Operation: 98-18=80, Resulting Numbers: [4, 80] Generated Node #0,1,2: 34:[4, 80] Operation: 98-18=80 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 34:[4, 80], Operations: ['68-50=18', '98-18=80'] Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,34 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,34 unequal: No Solution Exploring Operation: 4+80=84, Resulting Numbers: [84] 84,34 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:[18, 94], Operations: ['68-50=18', '98-4=94'] Exploring Operation: 18+94=112, Resulting Numbers: [112] 112,34 unequal: No Solution Exploring Operation: 94-18=76, Resulting Numbers: [76] 76,34 unequal: No Solution Exploring Operation: 18*94=1692, Resulting Numbers: [1692] 1692,34 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:[98, 14], Operations: ['68-50=18', '18-4=14'] Exploring Operation: 98+14=112, Resulting Numbers: [112] 112,34 unequal: No Solution Exploring Operation: 98-14=84, Resulting Numbers: [84] 84,34 unequal: No Solution Exploring Operation: 98/14=7, Resulting Numbers: [7] 7,34 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: 34:[4, 20], Operations: ['98-68=30', '50-30=20'] Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,34 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[4, 20], Operations: ['98-50=48', '68-48=20'] Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,34 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,34 unequal: No Solution Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[48, 17], Operations: ['98-50=48', '68/4=17'] Exploring Operation: 48+17=65, Resulting Numbers: [65] 65,34 unequal: No Solution Exploring Operation: 48-17=31, Resulting Numbers: [31] 31,34 unequal: No Solution Exploring Operation: 48*17=816, Resulting Numbers: [816] 816,34 unequal: No Solution Moving to Node #0,2,2 Current State: 34:[30, 46], Operations: ['98-68=30', '50-4=46'] Exploring Operation: 30+46=76, Resulting Numbers: [76] 76,34 unequal: No Solution Exploring Operation: 30*46=1380, Resulting Numbers: [1380] 1380,34 unequal: No Solution Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,34 unequal: No Solution Moving to Node #0,2,0 Current State: 34:[50, 34], Operations: ['98-68=30', '4+30=34'] Exploring Operation: 50+34=84, Resulting Numbers: [84] 84,34 unequal: No Solution Exploring Operation: 50*34=1700, Resulting Numbers: [1700] 1700,34 unequal: No Solution Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,34 unequal: No Solution Moving to Node #0,0,2 Current State: 34:[68, 12], Operations: ['98-50=48', '48/4=12'] Exploring Operation: 68-12=56, Resulting Numbers: [56] 56,34 unequal: No Solution Exploring Operation: 68*12=816, Resulting Numbers: [816] 816,34 unequal: No Solution Exploring Operation: 68+12=80, Resulting Numbers: [80] 80,34 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 83, 81, 46, 65 ]
88
[ "83-81=2", "46/2=23", "65+23=88" ]
Current State: 88:[83, 81, 46, 65], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [46, 65, 2] Generated Node #2: [46, 65, 2] from Operation: 83-81=2 Current State: 88:[46, 65, 2], Operations: ['83-81=2'] Exploring Operation: 46/2=23, Resulting Numbers: [65, 23] Generated Node #3: [65, 23] from Operation: 46/2=23 Current State: 88:[65, 23], Operations: ['83-81=2', '46/2=23'] Exploring Operation: 65+23=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[83, 81, 46, 65], Operations: [] Exploring Operation: 83-46=37, Resulting Numbers: [81, 65, 37] Generated Node #0,0: 88:[81, 65, 37] Operation: 83-46=37 Exploring Operation: 65-46=19, Resulting Numbers: [83, 81, 19] Generated Node #0,1: 88:[83, 81, 19] Operation: 65-46=19 Exploring Operation: 83-81=2, Resulting Numbers: [46, 65, 2] Generated Node #0,2: 88:[46, 65, 2] Operation: 83-81=2 Exploring Operation: 83-65=18, Resulting Numbers: [81, 46, 18] Generated Node #0,3: 88:[81, 46, 18] Operation: 83-65=18 Exploring Operation: 81-65=16, Resulting Numbers: [83, 46, 16] Generated Node #0,4: 88:[83, 46, 16] Operation: 81-65=16 Start Sub Search at level 1: Moving to Node #0,4 Current State: 88:[83, 46, 16], Operations: ['81-65=16'] Exploring Operation: 46-16=30, Resulting Numbers: [83, 30] Generated Node #0,4,0: 88:[83, 30] Operation: 46-16=30 Exploring Operation: 46+16=62, Resulting Numbers: [83, 62] Generated Node #0,4,1: 88:[83, 62] Operation: 46+16=62 Exploring Operation: 83+16=99, Resulting Numbers: [46, 99] Generated Node #0,4,2: 88:[46, 99] Operation: 83+16=99 Exploring Operation: 83-16=67, Resulting Numbers: [46, 67] Generated Node #0,4,3: 88:[46, 67] Operation: 83-16=67 Exploring Operation: 83-46=37, Resulting Numbers: [16, 37] Generated Node #0,4,4: 88:[16, 37] Operation: 83-46=37 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 88:[16, 37], Operations: ['81-65=16', '83-46=37'] Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 16+37=53, Resulting Numbers: [53] 53,88 unequal: No Solution Exploring Operation: 16*37=592, Resulting Numbers: [592] 592,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 88:[83, 30], Operations: ['81-65=16', '46-16=30'] Exploring Operation: 83+30=113, Resulting Numbers: [113] 113,88 unequal: No Solution Exploring Operation: 83*30=2490, Resulting Numbers: [2490] 2490,88 unequal: No Solution Exploring Operation: 83-30=53, Resulting Numbers: [53] 53,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 88:[46, 99], Operations: ['81-65=16', '83+16=99'] Exploring Operation: 46+99=145, Resulting Numbers: [145] 145,88 unequal: No Solution Exploring Operation: 99-46=53, Resulting Numbers: [53] 53,88 unequal: No Solution Exploring Operation: 46*99=4554, Resulting Numbers: [4554] 4554,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 88:[83, 62], Operations: ['81-65=16', '46+16=62'] Exploring Operation: 83*62=5146, Resulting Numbers: [5146] 5146,88 unequal: No Solution Exploring Operation: 83-62=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 83+62=145, Resulting Numbers: [145] 145,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 88:[46, 67], Operations: ['81-65=16', '83-16=67'] Exploring Operation: 46+67=113, Resulting Numbers: [113] 113,88 unequal: No Solution Exploring Operation: 67-46=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 46*67=3082, Resulting Numbers: [3082] 3082,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 88:[81, 46, 18], Operations: ['83-65=18'] Exploring Operation: 46-18=28, Resulting Numbers: [81, 28] Generated Node #0,3,0: 88:[81, 28] Operation: 46-18=28 Exploring Operation: 81-18=63, Resulting Numbers: [46, 63] Generated Node #0,3,1: 88:[46, 63] Operation: 81-18=63 Exploring Operation: 46+18=64, Resulting Numbers: [81, 64] Generated Node #0,3,2: 88:[81, 64] Operation: 46+18=64 Exploring Operation: 81-46=35, Resulting Numbers: [18, 35] Generated Node #0,3,3: 88:[18, 35] Operation: 81-46=35 Exploring Operation: 81+18=99, Resulting Numbers: [46, 99] Generated Node #0,3,4: 88:[46, 99] Operation: 81+18=99 Moving to Node #0,3,0 Current State: 88:[81, 28], Operations: ['83-65=18', '46-18=28'] Exploring Operation: 81-28=53, Resulting Numbers: [53] 53,88 unequal: No Solution Exploring Operation: 81*28=2268, Resulting Numbers: [2268] 2268,88 unequal: No Solution Exploring Operation: 81+28=109, Resulting Numbers: [109] 109,88 unequal: No Solution Moving to Node #0,3,4 Current State: 88:[46, 99], Operations: ['83-65=18', '81+18=99'] Exploring Operation: 46*99=4554, Resulting Numbers: [4554] 4554,88 unequal: No Solution Exploring Operation: 46+99=145, Resulting Numbers: [145] 145,88 unequal: No Solution Exploring Operation: 99-46=53, Resulting Numbers: [53] 53,88 unequal: No Solution Moving to Node #0,3,3 Current State: 88:[18, 35], Operations: ['83-65=18', '81-46=35'] Exploring Operation: 18*35=630, Resulting Numbers: [630] 630,88 unequal: No Solution Exploring Operation: 18+35=53, Resulting Numbers: [53] 53,88 unequal: No Solution Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,88 unequal: No Solution Moving to Node #0,3,1 Current State: 88:[46, 63], Operations: ['83-65=18', '81-18=63'] Exploring Operation: 46*63=2898, Resulting Numbers: [2898] 2898,88 unequal: No Solution Exploring Operation: 63-46=17, Resulting Numbers: [17] 17,88 unequal: No Solution Exploring Operation: 46+63=109, Resulting Numbers: [109] 109,88 unequal: No Solution Moving to Node #0,3,2 Current State: 88:[81, 64], Operations: ['83-65=18', '46+18=64'] Exploring Operation: 81*64=5184, Resulting Numbers: [5184] 5184,88 unequal: No Solution Exploring Operation: 81-64=17, Resulting Numbers: [17] 17,88 unequal: No Solution Exploring Operation: 81+64=145, Resulting Numbers: [145] 145,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[83, 81, 19], Operations: ['65-46=19'] Exploring Operation: 83-81=2, Resulting Numbers: [19, 2] Generated Node #0,1,0: 88:[19, 2] Operation: 83-81=2 Exploring Operation: 83+19=102, Resulting Numbers: [81, 102] Generated Node #0,1,1: 88:[81, 102] Operation: 83+19=102 Exploring Operation: 81-19=62, Resulting Numbers: [83, 62] Generated Node #0,1,2: 88:[83, 62] Operation: 81-19=62 Exploring Operation: 83-19=64, Resulting Numbers: [81, 64] Generated Node #0,1,3: 88:[81, 64] Operation: 83-19=64 Exploring Operation: 81+19=100, Resulting Numbers: [83, 100] Generated Node #0,1,4: 88:[83, 100] Operation: 81+19=100 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 88:[19, 2], Operations: ['65-46=19', '83-81=2'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,88 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 88:[83, 100], Operations: ['65-46=19', '81+19=100'] Exploring Operation: 100-83=17, Resulting Numbers: [17] 17,88 unequal: No Solution Exploring Operation: 83*100=8300, Resulting Numbers: [8300] 8300,88 unequal: No Solution Exploring Operation: 83+100=183, Resulting Numbers: [183] 183,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 88:[81, 102], Operations: ['65-46=19', '83+19=102'] Exploring Operation: 81*102=8262, Resulting Numbers: [8262] 8262,88 unequal: No Solution Exploring Operation: 81+102=183, Resulting Numbers: [183] 183,88 unequal: No Solution Exploring Operation: 102-81=21, Resulting Numbers: [21] 21,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 88:[83, 62], Operations: ['65-46=19', '81-19=62'] Exploring Operation: 83*62=5146, Resulting Numbers: [5146] 5146,88 unequal: No Solution Exploring Operation: 83-62=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 83+62=145, Resulting Numbers: [145] 145,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 88:[81, 64], Operations: ['65-46=19', '83-19=64'] Exploring Operation: 81+64=145, Resulting Numbers: [145] 145,88 unequal: No Solution Exploring Operation: 81-64=17, Resulting Numbers: [17] 17,88 unequal: No Solution Exploring Operation: 81*64=5184, Resulting Numbers: [5184] 5184,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[46, 65, 2], Operations: ['83-81=2'] Exploring Operation: 46+65=111, Resulting Numbers: [2, 111] Generated Node #0,2,0: 88:[2, 111] Operation: 46+65=111 Exploring Operation: 65-46=19, Resulting Numbers: [2, 19] Generated Node #0,2,1: 88:[2, 19] Operation: 65-46=19 Exploring Operation: 65-2=63, Resulting Numbers: [46, 63] Generated Node #0,2,2: 88:[46, 63] Operation: 65-2=63 Exploring Operation: 46-2=44, Resulting Numbers: [65, 44] Generated Node #0,2,3: 88:[65, 44] Operation: 46-2=44 Exploring Operation: 46/2=23, Resulting Numbers: [65, 23] Generated Node #0,2,4: 88:[65, 23] Operation: 46/2=23 Moving to Node #0,2,1 Current State: 88:[2, 19], Operations: ['83-81=2', '65-46=19'] Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,88 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,88 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,88 unequal: No Solution Moving to Node #0,2,3 Current State: 88:[65, 44], Operations: ['83-81=2', '46-2=44'] Exploring Operation: 65*44=2860, Resulting Numbers: [2860] 2860,88 unequal: No Solution Exploring Operation: 65+44=109, Resulting Numbers: [109] 109,88 unequal: No Solution Exploring Operation: 65-44=21, Resulting Numbers: [21] 21,88 unequal: No Solution Moving to Node #0,2,2 Current State: 88:[46, 63], Operations: ['83-81=2', '65-2=63'] Exploring Operation: 46*63=2898, Resulting Numbers: [2898] 2898,88 unequal: No Solution Exploring Operation: 46+63=109, Resulting Numbers: [109] 109,88 unequal: No Solution Exploring Operation: 63-46=17, Resulting Numbers: [17] 17,88 unequal: No Solution Moving to Node #0,2,4 Current State: 88:[65, 23], Operations: ['83-81=2', '46/2=23'] Exploring Operation: 65*23=1495, Resulting Numbers: [1495] 1495,88 unequal: No Solution Exploring Operation: 65-23=42, Resulting Numbers: [42] 42,88 unequal: No Solution Exploring Operation: 65+23=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[83, 81, 46, 65], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [46, 65, 2] Generated Node #0,2: 88:[46, 65, 2] Operation: 83-81=2 Moving to Node #0,2 Current State: 88:[46, 65, 2], Operations: ['83-81=2'] Exploring Operation: 46/2=23, Resulting Numbers: [65, 23] Generated Node #0,2,4: 88:[65, 23] Operation: 46/2=23 Moving to Node #0,2,4 Current State: 88:[65, 23], Operations: ['83-81=2', '46/2=23'] Exploring Operation: 65+23=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.925347
hs_5
sum_heuristic
[ 83, 41, 97, 12 ]
56
[ "83+97=180", "180/12=15", "41+15=56" ]
Current State: 56:[83, 41, 97, 12], Operations: [] Exploring Operation: 83+97=180, Resulting Numbers: [41, 12, 180] Generated Node #2: [41, 12, 180] from Operation: 83+97=180 Current State: 56:[41, 12, 180], Operations: ['83+97=180'] Exploring Operation: 180/12=15, Resulting Numbers: [41, 15] Generated Node #3: [41, 15] from Operation: 180/12=15 Current State: 56:[41, 15], Operations: ['83+97=180', '180/12=15'] Exploring Operation: 41+15=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[83, 41, 97, 12], Operations: [] Exploring Operation: 97-41=56, Resulting Numbers: [83, 12, 56] Generated Node #0,0: 56:[83, 12, 56] Operation: 97-41=56 Exploring Operation: 97-83=14, Resulting Numbers: [41, 12, 14] Generated Node #0,1: 56:[41, 12, 14] Operation: 97-83=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[41, 12, 14], Operations: ['97-83=14'] Exploring Operation: 41+12=53, Resulting Numbers: [14, 53] Generated Node #0,1,0: 56:[14, 53] Operation: 41+12=53 Exploring Operation: 41-12=29, Resulting Numbers: [14, 29] Generated Node #0,1,1: 56:[14, 29] Operation: 41-12=29 Moving to Node #0,1,1 Current State: 56:[14, 29], Operations: ['97-83=14', '41-12=29'] Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,56 unequal: No Solution Exploring Operation: 14+29=43, Resulting Numbers: [43] 43,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[14, 53], Operations: ['97-83=14', '41+12=53'] Exploring Operation: 14+53=67, Resulting Numbers: [67] 67,56 unequal: No Solution Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[83, 12, 56], Operations: ['97-41=56'] Exploring Operation: 83-56=27, Resulting Numbers: [12, 27] Generated Node #0,0,0: 56:[12, 27] Operation: 83-56=27 Exploring Operation: 83-12=71, Resulting Numbers: [56, 71] Generated Node #0,0,1: 56:[56, 71] Operation: 83-12=71 Moving to Node #0,0,0 Current State: 56:[12, 27], Operations: ['97-41=56', '83-56=27'] Exploring Operation: 12+27=39, Resulting Numbers: [39] 39,56 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[56, 71], Operations: ['97-41=56', '83-12=71'] Exploring Operation: 71-56=15, Resulting Numbers: [15] 15,56 unequal: No Solution Exploring Operation: 56+71=127, Resulting Numbers: [127] 127,56 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
[ 23, 69, 81, 95 ]
78
[ "23+69=92", "95-81=14", "92-14=78" ]
Current State: 78:[23, 69, 81, 95], Operations: [] Exploring Operation: 23+69=92, Resulting Numbers: [81, 95, 92] Generated Node #2: [81, 95, 92] from Operation: 23+69=92 Current State: 78:[81, 95, 92], Operations: ['23+69=92'] Exploring Operation: 95-81=14, Resulting Numbers: [92, 14] Generated Node #3: [92, 14] from Operation: 95-81=14 Current State: 78:[92, 14], Operations: ['23+69=92', '95-81=14'] Exploring Operation: 92-14=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[23, 69, 81, 95], Operations: [] Exploring Operation: 95-69=26, Resulting Numbers: [23, 81, 26] Generated Node #0,0: 78:[23, 81, 26] Operation: 95-69=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[23, 81, 26], Operations: ['95-69=26'] Exploring Operation: 26-23=3, Resulting Numbers: [81, 3] Generated Node #0,0,0: 78:[81, 3] Operation: 26-23=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 78:[81, 3], Operations: ['95-69=26', '26-23=3'] Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[23, 69, 81, 95], Operations: [] Exploring Operation: 95-69=26, Resulting Numbers: [23, 81, 26] Generated Node #0,0: 78:[23, 81, 26] Operation: 95-69=26 Moving to Node #0,0 Current State: 78:[23, 81, 26], Operations: ['95-69=26'] Exploring Operation: 26-23=3, Resulting Numbers: [81, 3] Generated Node #0,0,0: 78:[81, 3] Operation: 26-23=3 Moving to Node #0,0,0 Current State: 78:[81, 3], Operations: ['95-69=26', '26-23=3'] Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 99, 74, 37, 85 ]
92
[ "99+85=184", "74/37=2", "184/2=92" ]
Current State: 92:[99, 74, 37, 85], Operations: [] Exploring Operation: 99+85=184, Resulting Numbers: [74, 37, 184] Generated Node #2: [74, 37, 184] from Operation: 99+85=184 Current State: 92:[74, 37, 184], Operations: ['99+85=184'] Exploring Operation: 74/37=2, Resulting Numbers: [184, 2] Generated Node #3: [184, 2] from Operation: 74/37=2 Current State: 92:[184, 2], Operations: ['99+85=184', '74/37=2'] Exploring Operation: 184/2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[99, 74, 37, 85], Operations: [] Exploring Operation: 74/37=2, Resulting Numbers: [99, 85, 2] Generated Node #0,0: 92:[99, 85, 2] Operation: 74/37=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[99, 85, 2], Operations: ['74/37=2'] Exploring Operation: 99-85=14, Resulting Numbers: [2, 14] Generated Node #0,0,0: 92:[2, 14] Operation: 99-85=14 Moving to Node #0,0,0 Current State: 92:[2, 14], Operations: ['74/37=2', '99-85=14'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 19, 15, 89, 99 ]
40
[ "19-15=4", "99-89=10", "4*10=40" ]
Current State: 40:[19, 15, 89, 99], Operations: [] Exploring Operation: 19-15=4, Resulting Numbers: [89, 99, 4] Generated Node #2: [89, 99, 4] from Operation: 19-15=4 Current State: 40:[89, 99, 4], Operations: ['19-15=4'] Exploring Operation: 99-89=10, Resulting Numbers: [4, 10] Generated Node #3: [4, 10] from Operation: 99-89=10 Current State: 40:[4, 10], Operations: ['19-15=4', '99-89=10'] Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[19, 15, 89, 99], Operations: [] Exploring Operation: 99-89=10, Resulting Numbers: [19, 15, 10] Generated Node #0,0: 40:[19, 15, 10] Operation: 99-89=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[19, 15, 10], Operations: ['99-89=10'] Exploring Operation: 19-15=4, Resulting Numbers: [10, 4] Generated Node #0,0,0: 40:[10, 4] Operation: 19-15=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 40:[10, 4], Operations: ['99-89=10', '19-15=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[19, 15, 89, 99], Operations: [] Exploring Operation: 99-89=10, Resulting Numbers: [19, 15, 10] Generated Node #0,0: 40:[19, 15, 10] Operation: 99-89=10 Moving to Node #0,0 Current State: 40:[19, 15, 10], Operations: ['99-89=10'] Exploring Operation: 19-15=4, Resulting Numbers: [10, 4] Generated Node #0,0,0: 40:[10, 4] Operation: 19-15=4 Moving to Node #0,0,0 Current State: 40:[10, 4], Operations: ['99-89=10', '19-15=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 3, 1, 38, 87 ]
30
[ "1+38=39", "3*39=117", "117-87=30" ]
Current State: 30:[3, 1, 38, 87], Operations: [] Exploring Operation: 1+38=39, Resulting Numbers: [3, 87, 39] Generated Node #2: [3, 87, 39] from Operation: 1+38=39 Current State: 30:[3, 87, 39], Operations: ['1+38=39'] Exploring Operation: 3*39=117, Resulting Numbers: [87, 117] Generated Node #3: [87, 117] from Operation: 3*39=117 Current State: 30:[87, 117], Operations: ['1+38=39', '3*39=117'] Exploring Operation: 117-87=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[3, 1, 38, 87], Operations: [] Exploring Operation: 87-38=49, Resulting Numbers: [3, 1, 49] Generated Node #0,0: 30:[3, 1, 49] Operation: 87-38=49 Exploring Operation: 38-3=35, Resulting Numbers: [1, 87, 35] Generated Node #0,1: 30:[1, 87, 35] Operation: 38-3=35 Exploring Operation: 87/3=29, Resulting Numbers: [1, 38, 29] Generated Node #0,2: 30:[1, 38, 29] Operation: 87/3=29 Exploring Operation: 87-3=84, Resulting Numbers: [1, 38, 84] Generated Node #0,3: 30:[1, 38, 84] Operation: 87-3=84 Exploring Operation: 38-1=37, Resulting Numbers: [3, 87, 37] Generated Node #0,4: 30:[3, 87, 37] Operation: 38-1=37 Moving to Node #0,2 Current State: 30:[1, 38, 29], Operations: ['87/3=29'] Exploring Operation: 38-1=37, Resulting Numbers: [29, 37] Generated Node #0,2,0: 30:[29, 37] Operation: 38-1=37 Exploring Operation: 38/1=38, Resulting Numbers: [29, 38] Generated Node #0,2,1: 30:[29, 38] Operation: 38/1=38 Exploring Operation: 1*38=38, Resulting Numbers: [29, 38] Generated Node #0,2,2: 30:[29, 38] Operation: 1*38=38 Exploring Operation: 38-29=9, Resulting Numbers: [1, 9] Generated Node #0,2,3: 30:[1, 9] Operation: 38-29=9 Exploring Operation: 1+29=30, Resulting Numbers: [38, 30] Generated Node #0,2,4: 30:[38, 30] Operation: 1+29=30 Moving to Node #0,0 Current State: 30:[3, 1, 49], Operations: ['87-38=49'] Exploring Operation: 49-1=48, Resulting Numbers: [3, 48] Generated Node #0,0,0: 30:[3, 48] Operation: 49-1=48 Exploring Operation: 49-3=46, Resulting Numbers: [1, 46] Generated Node #0,0,1: 30:[1, 46] Operation: 49-3=46 Exploring Operation: 3-1=2, Resulting Numbers: [49, 2] Generated Node #0,0,2: 30:[49, 2] Operation: 3-1=2 Exploring Operation: 3*1=3, Resulting Numbers: [49, 3] Generated Node #0,0,3: 30:[49, 3] Operation: 3*1=3 Exploring Operation: 3/1=3, Resulting Numbers: [49, 3] Generated Node #0,0,4: 30:[49, 3] Operation: 3/1=3 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[1, 46], Operations: ['87-38=49', '49-3=46'] Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,30 unequal: No Solution Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,30 unequal: No Solution Exploring Operation: 1*46=46, Resulting Numbers: [46] 46,30 unequal: No Solution Exploring Operation: 1+46=47, Resulting Numbers: [47] 47,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[3, 48], Operations: ['87-38=49', '49-1=48'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,30 unequal: No Solution Exploring Operation: 3*48=144, Resulting Numbers: [144] 144,30 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,30 unequal: No Solution Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 30:[49, 2], Operations: ['87-38=49', '3-1=2'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,30 unequal: No Solution Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 30:[49, 3], Operations: ['87-38=49', '3*1=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,30 unequal: No Solution Exploring Operation: 49*3=147, Resulting Numbers: [147] 147,30 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 30:[49, 3], Operations: ['87-38=49', '3/1=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,30 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,30 unequal: No Solution Exploring Operation: 49*3=147, Resulting Numbers: [147] 147,30 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:[1, 87, 35], Operations: ['38-3=35'] Exploring Operation: 1*87=87, Resulting Numbers: [35, 87] Generated Node #0,1,0: 30:[35, 87] Operation: 1*87=87 Exploring Operation: 87-35=52, Resulting Numbers: [1, 52] Generated Node #0,1,1: 30:[1, 52] Operation: 87-35=52 Exploring Operation: 87/1=87, Resulting Numbers: [35, 87] Generated Node #0,1,2: 30:[35, 87] Operation: 87/1=87 Exploring Operation: 87-1=86, Resulting Numbers: [35, 86] Generated Node #0,1,3: 30:[35, 86] Operation: 87-1=86 Exploring Operation: 35-1=34, Resulting Numbers: [87, 34] Generated Node #0,1,4: 30:[87, 34] Operation: 35-1=34 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 30:[1, 52], Operations: ['38-3=35', '87-35=52'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 1+52=53, Resulting Numbers: [53] 53,30 unequal: No Solution Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,30 unequal: No Solution Exploring Operation: 1*52=52, Resulting Numbers: [52] 52,30 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 #0,1,3 Current State: 30:[35, 86], Operations: ['38-3=35', '87-1=86'] Exploring Operation: 35+86=121, Resulting Numbers: [121] 121,30 unequal: No Solution Exploring Operation: 86-35=51, Resulting Numbers: [51] 51,30 unequal: No Solution Exploring Operation: 35*86=3010, Resulting Numbers: [3010] 3010,30 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 #0,1,4 Current State: 30:[87, 34], Operations: ['38-3=35', '35-1=34'] Exploring Operation: 87+34=121, Resulting Numbers: [121] 121,30 unequal: No Solution Exploring Operation: 87*34=2958, Resulting Numbers: [2958] 2958,30 unequal: No Solution Exploring Operation: 87-34=53, Resulting Numbers: [53] 53,30 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 #0,1,0 Current State: 30:[35, 87], Operations: ['38-3=35', '1*87=87'] Exploring Operation: 35+87=122, Resulting Numbers: [122] 122,30 unequal: No Solution Exploring Operation: 35*87=3045, Resulting Numbers: [3045] 3045,30 unequal: No Solution Exploring Operation: 87-35=52, Resulting Numbers: [52] 52,30 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 #0,1,2 Current State: 30:[35, 87], Operations: ['38-3=35', '87/1=87'] Exploring Operation: 35+87=122, Resulting Numbers: [122] 122,30 unequal: No Solution Exploring Operation: 35*87=3045, Resulting Numbers: [3045] 3045,30 unequal: No Solution Exploring Operation: 87-35=52, Resulting Numbers: [52] 52,30 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: 30:[1, 38, 84], Operations: ['87-3=84'] Exploring Operation: 38/1=38, Resulting Numbers: [84, 38] Generated Node #0,3,0: 30:[84, 38] Operation: 38/1=38 Exploring Operation: 84-38=46, Resulting Numbers: [1, 46] Generated Node #0,3,1: 30:[1, 46] Operation: 84-38=46 Exploring Operation: 38-1=37, Resulting Numbers: [84, 37] Generated Node #0,3,2: 30:[84, 37] Operation: 38-1=37 Exploring Operation: 1*38=38, Resulting Numbers: [84, 38] Generated Node #0,3,3: 30:[84, 38] Operation: 1*38=38 Exploring Operation: 84-1=83, Resulting Numbers: [38, 83] Generated Node #0,3,4: 30:[38, 83] Operation: 84-1=83 Moving to Node #0,4 Current State: 30:[3, 87, 37], Operations: ['38-1=37'] Exploring Operation: 87/3=29, Resulting Numbers: [37, 29] Generated Node #0,4,0: 30:[37, 29] Operation: 87/3=29 Exploring Operation: 87-37=50, Resulting Numbers: [3, 50] Generated Node #0,4,1: 30:[3, 50] Operation: 87-37=50 Exploring Operation: 87-3=84, Resulting Numbers: [37, 84] Generated Node #0,4,2: 30:[37, 84] Operation: 87-3=84 Exploring Operation: 3+87=90, Resulting Numbers: [37, 90] Generated Node #0,4,3: 30:[37, 90] Operation: 3+87=90 Exploring Operation: 37-3=34, Resulting Numbers: [87, 34] Generated Node #0,4,4: 30:[87, 34] Operation: 37-3=34 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 30:[37, 29], Operations: ['38-1=37', '87/3=29'] Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,30 unequal: No Solution Exploring Operation: 37+29=66, Resulting Numbers: [66] 66,30 unequal: No Solution Exploring Operation: 37*29=1073, Resulting Numbers: [1073] 1073,30 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 #0,4,1 Current State: 30:[3, 50], Operations: ['38-1=37', '87-37=50'] Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,30 unequal: No Solution Exploring Operation: 3*50=150, Resulting Numbers: [150] 150,30 unequal: No Solution Exploring Operation: 3+50=53, Resulting Numbers: [53] 53,30 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 #0,4,2 Current State: 30:[37, 84], Operations: ['38-1=37', '87-3=84'] Exploring Operation: 37+84=121, Resulting Numbers: [121] 121,30 unequal: No Solution Exploring Operation: 84-37=47, Resulting Numbers: [47] 47,30 unequal: No Solution Exploring Operation: 37*84=3108, Resulting Numbers: [3108] 3108,30 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 #0,4,4 Current State: 30:[87, 34], Operations: ['38-1=37', '37-3=34'] Exploring Operation: 87-34=53, Resulting Numbers: [53] 53,30 unequal: No Solution Exploring Operation: 87*34=2958, Resulting Numbers: [2958] 2958,30 unequal: No Solution Exploring Operation: 87+34=121, Resulting Numbers: [121] 121,30 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 #0,4,3 Current State: 30:[37, 90], Operations: ['38-1=37', '3+87=90'] Exploring Operation: 37*90=3330, Resulting Numbers: [3330] 3330,30 unequal: No Solution Exploring Operation: 37+90=127, Resulting Numbers: [127] 127,30 unequal: No Solution Exploring Operation: 90-37=53, Resulting Numbers: [53] 53,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 30:[1, 9], Operations: ['87/3=29', '38-29=9'] Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,30 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,30 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,30 unequal: No Solution Moving to Node #0,2,4 Current State: 30:[38, 30], Operations: ['87/3=29', '1+29=30'] Exploring Operation: 38+30=68, Resulting Numbers: [68] 68,30 unequal: No Solution Exploring Operation: 38*30=1140, Resulting Numbers: [1140] 1140,30 unequal: No Solution Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,30 unequal: No Solution Moving to Node #0,2,0 Current State: 30:[29, 37], Operations: ['87/3=29', '38-1=37'] Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,30 unequal: No Solution Exploring Operation: 29+37=66, Resulting Numbers: [66] 66,30 unequal: No Solution Exploring Operation: 29*37=1073, Resulting Numbers: [1073] 1073,30 unequal: No Solution Moving to Node #0,2,2 Current State: 30:[29, 38], Operations: ['87/3=29', '1*38=38'] Exploring Operation: 29+38=67, Resulting Numbers: [67] 67,30 unequal: No Solution Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,30 unequal: No Solution Exploring Operation: 29*38=1102, Resulting Numbers: [1102] 1102,30 unequal: No Solution Moving to Node #0,2,1 Current State: 30:[29, 38], Operations: ['87/3=29', '38/1=38'] Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,30 unequal: No Solution Exploring Operation: 29+38=67, Resulting Numbers: [67] 67,30 unequal: No Solution Exploring Operation: 29*38=1102, Resulting Numbers: [1102] 1102,30 unequal: No Solution Moving to Node #0,3,1 Current State: 30:[1, 46], Operations: ['87-3=84', '84-38=46'] Exploring Operation: 1*46=46, Resulting Numbers: [46] 46,30 unequal: No Solution Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,30 unequal: No Solution Exploring Operation: 1+46=47, Resulting Numbers: [47] 47,30 unequal: No Solution Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,30 unequal: No Solution Moving to Node #0,3,4 Current State: 30:[38, 83], Operations: ['87-3=84', '84-1=83'] Exploring Operation: 83-38=45, Resulting Numbers: [45] 45,30 unequal: No Solution Exploring Operation: 38+83=121, Resulting Numbers: [121] 121,30 unequal: No Solution Exploring Operation: 38*83=3154, Resulting Numbers: [3154] 3154,30 unequal: No Solution Moving to Node #0,3,2 Current State: 30:[84, 37], Operations: ['87-3=84', '38-1=37'] Exploring Operation: 84+37=121, Resulting Numbers: [121] 121,30 unequal: No Solution Exploring Operation: 84*37=3108, Resulting Numbers: [3108] 3108,30 unequal: No Solution Exploring Operation: 84-37=47, Resulting Numbers: [47] 47,30 unequal: No Solution Moving to Node #0,3,0 Current State: 30:[84, 38], Operations: ['87-3=84', '38/1=38'] Exploring Operation: 84-38=46, Resulting Numbers: [46] 46,30 unequal: No Solution Exploring Operation: 84+38=122, Resulting Numbers: [122] 122,30 unequal: No Solution Exploring Operation: 84*38=3192, Resulting Numbers: [3192] 3192,30 unequal: No Solution Moving to Node #0,3,3 Current State: 30:[84, 38], Operations: ['87-3=84', '1*38=38'] Exploring Operation: 84*38=3192, Resulting Numbers: [3192] 3192,30 unequal: No Solution Exploring Operation: 84-38=46, Resulting Numbers: [46] 46,30 unequal: No Solution Exploring Operation: 84+38=122, Resulting Numbers: [122] 122,30 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 53, 33, 27, 3 ]
87
[ "53-33=20", "3*20=60", "27+60=87" ]
Current State: 87:[53, 33, 27, 3], Operations: [] Exploring Operation: 53-33=20, Resulting Numbers: [27, 3, 20] Generated Node #2: [27, 3, 20] from Operation: 53-33=20 Current State: 87:[27, 3, 20], Operations: ['53-33=20'] Exploring Operation: 3*20=60, Resulting Numbers: [27, 60] Generated Node #3: [27, 60] from Operation: 3*20=60 Current State: 87:[27, 60], Operations: ['53-33=20', '3*20=60'] Exploring Operation: 27+60=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[53, 33, 27, 3], Operations: [] Exploring Operation: 53+33=86, Resulting Numbers: [27, 3, 86] Generated Node #0,0: 87:[27, 3, 86] Operation: 53+33=86 Moving to Node #0,0 Current State: 87:[27, 3, 86], Operations: ['53+33=86'] Exploring Operation: 27+3=30, Resulting Numbers: [86, 30] Generated Node #0,0,0: 87:[86, 30] Operation: 27+3=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[86, 30], Operations: ['53+33=86', '27+3=30'] Exploring Operation: 86-30=56, Resulting Numbers: [56] 56,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 99, 33, 17, 2 ]
32
[ "99-33=66", "17*2=34", "66-34=32" ]
Current State: 32:[99, 33, 17, 2], Operations: [] Exploring Operation: 99-33=66, Resulting Numbers: [17, 2, 66] Generated Node #2: [17, 2, 66] from Operation: 99-33=66 Current State: 32:[17, 2, 66], Operations: ['99-33=66'] Exploring Operation: 17*2=34, Resulting Numbers: [66, 34] Generated Node #3: [66, 34] from Operation: 17*2=34 Current State: 32:[66, 34], Operations: ['99-33=66', '17*2=34'] Exploring Operation: 66-34=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[99, 33, 17, 2], Operations: [] Exploring Operation: 99/33=3, Resulting Numbers: [17, 2, 3] Generated Node #0,0: 32:[17, 2, 3] Operation: 99/33=3 Exploring Operation: 99-33=66, Resulting Numbers: [17, 2, 66] Generated Node #0,1: 32:[17, 2, 66] Operation: 99-33=66 Exploring Operation: 99-17=82, Resulting Numbers: [33, 2, 82] Generated Node #0,2: 32:[33, 2, 82] Operation: 99-17=82 Exploring Operation: 99-2=97, Resulting Numbers: [33, 17, 97] Generated Node #0,3: 32:[33, 17, 97] Operation: 99-2=97 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[17, 2, 3], Operations: ['99/33=3'] Exploring Operation: 3-2=1, Resulting Numbers: [17, 1] Generated Node #0,0,0: 32:[17, 1] Operation: 3-2=1 Exploring Operation: 17-2=15, Resulting Numbers: [3, 15] Generated Node #0,0,1: 32:[3, 15] Operation: 17-2=15 Exploring Operation: 2+3=5, Resulting Numbers: [17, 5] Generated Node #0,0,2: 32:[17, 5] Operation: 2+3=5 Exploring Operation: 17-3=14, Resulting Numbers: [2, 14] Generated Node #0,0,3: 32:[2, 14] Operation: 17-3=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 32:[17, 1], Operations: ['99/33=3', '3-2=1'] Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 32:[3, 15], Operations: ['99/33=3', '17-2=15'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,32 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,32 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 32:[17, 5], Operations: ['99/33=3', '2+3=5'] Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,32 unequal: No Solution Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,32 unequal: No Solution Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 32:[2, 14], Operations: ['99/33=3', '17-3=14'] Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,32 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[17, 2, 66], Operations: ['99-33=66'] Exploring Operation: 17-2=15, Resulting Numbers: [66, 15] Generated Node #0,1,0: 32:[66, 15] Operation: 17-2=15 Exploring Operation: 66-17=49, Resulting Numbers: [2, 49] Generated Node #0,1,1: 32:[2, 49] Operation: 66-17=49 Exploring Operation: 66/2=33, Resulting Numbers: [17, 33] Generated Node #0,1,2: 32:[17, 33] Operation: 66/2=33 Exploring Operation: 66-2=64, Resulting Numbers: [17, 64] Generated Node #0,1,3: 32:[17, 64] Operation: 66-2=64 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 32:[17, 33], Operations: ['99-33=66', '66/2=33'] Exploring Operation: 17*33=561, Resulting Numbers: [561] 561,32 unequal: No Solution Exploring Operation: 17+33=50, Resulting Numbers: [50] 50,32 unequal: No Solution Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 32:[2, 49], Operations: ['99-33=66', '66-17=49'] Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,32 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,32 unequal: No Solution Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 32:[17, 64], Operations: ['99-33=66', '66-2=64'] Exploring Operation: 64-17=47, Resulting Numbers: [47] 47,32 unequal: No Solution Exploring Operation: 17+64=81, Resulting Numbers: [81] 81,32 unequal: No Solution Exploring Operation: 17*64=1088, Resulting Numbers: [1088] 1088,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 32:[66, 15], Operations: ['99-33=66', '17-2=15'] Exploring Operation: 66+15=81, Resulting Numbers: [81] 81,32 unequal: No Solution Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,32 unequal: No Solution Exploring Operation: 66*15=990, Resulting Numbers: [990] 990,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[33, 2, 82], Operations: ['99-17=82'] Exploring Operation: 82/2=41, Resulting Numbers: [33, 41] Generated Node #0,2,0: 32:[33, 41] Operation: 82/2=41 Exploring Operation: 33-2=31, Resulting Numbers: [82, 31] Generated Node #0,2,1: 32:[82, 31] Operation: 33-2=31 Exploring Operation: 82-2=80, Resulting Numbers: [33, 80] Generated Node #0,2,2: 32:[33, 80] Operation: 82-2=80 Exploring Operation: 82-33=49, Resulting Numbers: [2, 49] Generated Node #0,2,3: 32:[2, 49] Operation: 82-33=49 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 32:[33, 41], Operations: ['99-17=82', '82/2=41'] Exploring Operation: 33*41=1353, Resulting Numbers: [1353] 1353,32 unequal: No Solution Exploring Operation: 33+41=74, Resulting Numbers: [74] 74,32 unequal: No Solution Exploring Operation: 41-33=8, Resulting Numbers: [8] 8,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 32:[2, 49], Operations: ['99-17=82', '82-33=49'] Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,32 unequal: No Solution Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,32 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 32:[33, 80], Operations: ['99-17=82', '82-2=80'] Exploring Operation: 33+80=113, Resulting Numbers: [113] 113,32 unequal: No Solution Exploring Operation: 80-33=47, Resulting Numbers: [47] 47,32 unequal: No Solution Exploring Operation: 33*80=2640, Resulting Numbers: [2640] 2640,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 32:[82, 31], Operations: ['99-17=82', '33-2=31'] Exploring Operation: 82-31=51, Resulting Numbers: [51] 51,32 unequal: No Solution Exploring Operation: 82+31=113, Resulting Numbers: [113] 113,32 unequal: No Solution Exploring Operation: 82*31=2542, Resulting Numbers: [2542] 2542,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 32:[33, 17, 97], Operations: ['99-2=97'] Exploring Operation: 33+17=50, Resulting Numbers: [97, 50] Generated Node #0,3,0: 32:[97, 50] Operation: 33+17=50 Exploring Operation: 97-33=64, Resulting Numbers: [17, 64] Generated Node #0,3,1: 32:[17, 64] Operation: 97-33=64 Exploring Operation: 33-17=16, Resulting Numbers: [97, 16] Generated Node #0,3,2: 32:[97, 16] Operation: 33-17=16 Exploring Operation: 97-17=80, Resulting Numbers: [33, 80] Generated Node #0,3,3: 32:[33, 80] Operation: 97-17=80 Moving to Node #0,3,1 Current State: 32:[17, 64], Operations: ['99-2=97', '97-33=64'] Exploring Operation: 17+64=81, Resulting Numbers: [81] 81,32 unequal: No Solution Exploring Operation: 64-17=47, Resulting Numbers: [47] 47,32 unequal: No Solution Exploring Operation: 17*64=1088, Resulting Numbers: [1088] 1088,32 unequal: No Solution Moving to Node #0,3,3 Current State: 32:[33, 80], Operations: ['99-2=97', '97-17=80'] Exploring Operation: 80-33=47, Resulting Numbers: [47] 47,32 unequal: No Solution Exploring Operation: 33*80=2640, Resulting Numbers: [2640] 2640,32 unequal: No Solution Exploring Operation: 33+80=113, Resulting Numbers: [113] 113,32 unequal: No Solution Moving to Node #0,3,2 Current State: 32:[97, 16], Operations: ['99-2=97', '33-17=16'] Exploring Operation: 97+16=113, Resulting Numbers: [113] 113,32 unequal: No Solution Exploring Operation: 97-16=81, Resulting Numbers: [81] 81,32 unequal: No Solution Exploring Operation: 97*16=1552, Resulting Numbers: [1552] 1552,32 unequal: No Solution Moving to Node #0,3,0 Current State: 32:[97, 50], Operations: ['99-2=97', '33+17=50'] Exploring Operation: 97*50=4850, Resulting Numbers: [4850] 4850,32 unequal: No Solution Exploring Operation: 97-50=47, Resulting Numbers: [47] 47,32 unequal: No Solution Exploring Operation: 97+50=147, Resulting Numbers: [147] 147,32 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
[ 8, 61, 44, 59 ]
60
[ "61-59=2", "8*2=16", "44+16=60" ]
Current State: 60:[8, 61, 44, 59], Operations: [] Exploring Operation: 61-59=2, Resulting Numbers: [8, 44, 2] Generated Node #2: [8, 44, 2] from Operation: 61-59=2 Current State: 60:[8, 44, 2], Operations: ['61-59=2'] Exploring Operation: 8*2=16, Resulting Numbers: [44, 16] Generated Node #3: [44, 16] from Operation: 8*2=16 Current State: 60:[44, 16], Operations: ['61-59=2', '8*2=16'] Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[8, 61, 44, 59], Operations: [] Exploring Operation: 44-8=36, Resulting Numbers: [61, 59, 36] Generated Node #0,0: 60:[61, 59, 36] Operation: 44-8=36 Exploring Operation: 8+44=52, Resulting Numbers: [61, 59, 52] Generated Node #0,1: 60:[61, 59, 52] Operation: 8+44=52 Exploring Operation: 61-44=17, Resulting Numbers: [8, 59, 17] Generated Node #0,2: 60:[8, 59, 17] Operation: 61-44=17 Exploring Operation: 61-59=2, Resulting Numbers: [8, 44, 2] Generated Node #0,3: 60:[8, 44, 2] Operation: 61-59=2 Exploring Operation: 59-44=15, Resulting Numbers: [8, 61, 15] Generated Node #0,4: 60:[8, 61, 15] Operation: 59-44=15 Start Sub Search at level 1: Moving to Node #0,4 Current State: 60:[8, 61, 15], Operations: ['59-44=15'] Exploring Operation: 61-15=46, Resulting Numbers: [8, 46] Generated Node #0,4,0: 60:[8, 46] Operation: 61-15=46 Exploring Operation: 8+61=69, Resulting Numbers: [15, 69] Generated Node #0,4,1: 60:[15, 69] Operation: 8+61=69 Exploring Operation: 15-8=7, Resulting Numbers: [61, 7] Generated Node #0,4,2: 60:[61, 7] Operation: 15-8=7 Exploring Operation: 8+15=23, Resulting Numbers: [61, 23] Generated Node #0,4,3: 60:[61, 23] Operation: 8+15=23 Exploring Operation: 61-8=53, Resulting Numbers: [15, 53] Generated Node #0,4,4: 60:[15, 53] Operation: 61-8=53 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 60:[61, 7], Operations: ['59-44=15', '15-8=7'] Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,60 unequal: No Solution Exploring Operation: 61+7=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 61*7=427, Resulting Numbers: [427] 427,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 60:[61, 23], Operations: ['59-44=15', '8+15=23'] Exploring Operation: 61*23=1403, Resulting Numbers: [1403] 1403,60 unequal: No Solution Exploring Operation: 61-23=38, Resulting Numbers: [38] 38,60 unequal: No Solution Exploring Operation: 61+23=84, Resulting Numbers: [84] 84,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 60:[15, 53], Operations: ['59-44=15', '61-8=53'] Exploring Operation: 53-15=38, Resulting Numbers: [38] 38,60 unequal: No Solution Exploring Operation: 15+53=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 15*53=795, Resulting Numbers: [795] 795,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 60:[15, 69], Operations: ['59-44=15', '8+61=69'] Exploring Operation: 15+69=84, Resulting Numbers: [84] 84,60 unequal: No Solution Exploring Operation: 15*69=1035, Resulting Numbers: [1035] 1035,60 unequal: No Solution Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 60:[8, 46], Operations: ['59-44=15', '61-15=46'] Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,60 unequal: No Solution Exploring Operation: 8+46=54, Resulting Numbers: [54] 54,60 unequal: No Solution Exploring Operation: 8*46=368, Resulting Numbers: [368] 368,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[8, 59, 17], Operations: ['61-44=17'] Exploring Operation: 8+59=67, Resulting Numbers: [17, 67] Generated Node #0,2,0: 60:[17, 67] Operation: 8+59=67 Exploring Operation: 59-17=42, Resulting Numbers: [8, 42] Generated Node #0,2,1: 60:[8, 42] Operation: 59-17=42 Exploring Operation: 17-8=9, Resulting Numbers: [59, 9] Generated Node #0,2,2: 60:[59, 9] Operation: 17-8=9 Exploring Operation: 8+17=25, Resulting Numbers: [59, 25] Generated Node #0,2,3: 60:[59, 25] Operation: 8+17=25 Exploring Operation: 59-8=51, Resulting Numbers: [17, 51] Generated Node #0,2,4: 60:[17, 51] Operation: 59-8=51 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 60:[59, 9], Operations: ['61-44=17', '17-8=9'] Exploring Operation: 59-9=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 59+9=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 59*9=531, Resulting Numbers: [531] 531,60 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 #0,2,3 Current State: 60:[59, 25], Operations: ['61-44=17', '8+17=25'] Exploring Operation: 59+25=84, Resulting Numbers: [84] 84,60 unequal: No Solution Exploring Operation: 59*25=1475, Resulting Numbers: [1475] 1475,60 unequal: No Solution Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,60 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 #0,2,0 Current State: 60:[17, 67], Operations: ['61-44=17', '8+59=67'] Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 17+67=84, Resulting Numbers: [84] 84,60 unequal: No Solution Exploring Operation: 17*67=1139, Resulting Numbers: [1139] 1139,60 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 #0,2,4 Current State: 60:[17, 51], Operations: ['61-44=17', '59-8=51'] Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,60 unequal: No Solution Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 17+51=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 17*51=867, Resulting Numbers: [867] 867,60 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 #0,2,1 Current State: 60:[8, 42], Operations: ['61-44=17', '59-17=42'] Exploring Operation: 8*42=336, Resulting Numbers: [336] 336,60 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,60 unequal: No Solution Exploring Operation: 8+42=50, Resulting Numbers: [50] 50,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[61, 59, 36], Operations: ['44-8=36'] Exploring Operation: 59-36=23, Resulting Numbers: [61, 23] Generated Node #0,0,0: 60:[61, 23] Operation: 59-36=23 Exploring Operation: 61-36=25, Resulting Numbers: [59, 25] Generated Node #0,0,1: 60:[59, 25] Operation: 61-36=25 Exploring Operation: 61+36=97, Resulting Numbers: [59, 97] Generated Node #0,0,2: 60:[59, 97] Operation: 61+36=97 Exploring Operation: 61-59=2, Resulting Numbers: [36, 2] Generated Node #0,0,3: 60:[36, 2] Operation: 61-59=2 Exploring Operation: 59+36=95, Resulting Numbers: [61, 95] Generated Node #0,0,4: 60:[61, 95] Operation: 59+36=95 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[61, 23], Operations: ['44-8=36', '59-36=23'] Exploring Operation: 61-23=38, Resulting Numbers: [38] 38,60 unequal: No Solution Exploring Operation: 61*23=1403, Resulting Numbers: [1403] 1403,60 unequal: No Solution Exploring Operation: 61+23=84, Resulting Numbers: [84] 84,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 60:[59, 25], Operations: ['44-8=36', '61-36=25'] Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,60 unequal: No Solution Exploring Operation: 59*25=1475, Resulting Numbers: [1475] 1475,60 unequal: No Solution Exploring Operation: 59+25=84, Resulting Numbers: [84] 84,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 60:[36, 2], Operations: ['44-8=36', '61-59=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,60 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,60 unequal: No Solution Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 60:[61, 95], Operations: ['44-8=36', '59+36=95'] Exploring Operation: 95-61=34, Resulting Numbers: [34] 34,60 unequal: No Solution Exploring Operation: 61*95=5795, Resulting Numbers: [5795] 5795,60 unequal: No Solution Exploring Operation: 61+95=156, Resulting Numbers: [156] 156,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 60:[59, 97], Operations: ['44-8=36', '61+36=97'] Exploring Operation: 59*97=5723, Resulting Numbers: [5723] 5723,60 unequal: No Solution Exploring Operation: 97-59=38, Resulting Numbers: [38] 38,60 unequal: No Solution Exploring Operation: 59+97=156, Resulting Numbers: [156] 156,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[61, 59, 52], Operations: ['8+44=52'] Exploring Operation: 61+52=113, Resulting Numbers: [59, 113] Generated Node #0,1,0: 60:[59, 113] Operation: 61+52=113 Exploring Operation: 61-52=9, Resulting Numbers: [59, 9] Generated Node #0,1,1: 60:[59, 9] Operation: 61-52=9 Exploring Operation: 61-59=2, Resulting Numbers: [52, 2] Generated Node #0,1,2: 60:[52, 2] Operation: 61-59=2 Exploring Operation: 59+52=111, Resulting Numbers: [61, 111] Generated Node #0,1,3: 60:[61, 111] Operation: 59+52=111 Exploring Operation: 59-52=7, Resulting Numbers: [61, 7] Generated Node #0,1,4: 60:[61, 7] Operation: 59-52=7 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 60:[59, 9], Operations: ['8+44=52', '61-52=9'] Exploring Operation: 59-9=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 59+9=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 59*9=531, Resulting Numbers: [531] 531,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 60:[61, 7], Operations: ['8+44=52', '59-52=7'] Exploring Operation: 61+7=68, Resulting Numbers: [68] 68,60 unequal: No Solution Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,60 unequal: No Solution Exploring Operation: 61*7=427, Resulting Numbers: [427] 427,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 60:[52, 2], Operations: ['8+44=52', '61-59=2'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,60 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,60 unequal: No Solution Exploring Operation: 52*2=104, Resulting Numbers: [104] 104,60 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 #0,1,3 Current State: 60:[61, 111], Operations: ['8+44=52', '59+52=111'] Exploring Operation: 61*111=6771, Resulting Numbers: [6771] 6771,60 unequal: No Solution Exploring Operation: 111-61=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 61+111=172, Resulting Numbers: [172] 172,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 60:[59, 113], Operations: ['8+44=52', '61+52=113'] Exploring Operation: 59*113=6667, Resulting Numbers: [6667] 6667,60 unequal: No Solution Exploring Operation: 113-59=54, Resulting Numbers: [54] 54,60 unequal: No Solution Exploring Operation: 59+113=172, Resulting Numbers: [172] 172,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 60:[8, 44, 2], Operations: ['61-59=2'] Exploring Operation: 8+44=52, Resulting Numbers: [2, 52] Generated Node #0,3,0: 60:[2, 52] Operation: 8+44=52 Exploring Operation: 8+2=10, Resulting Numbers: [44, 10] Generated Node #0,3,1: 60:[44, 10] Operation: 8+2=10 Exploring Operation: 8-2=6, Resulting Numbers: [44, 6] Generated Node #0,3,2: 60:[44, 6] Operation: 8-2=6 Exploring Operation: 44-8=36, Resulting Numbers: [2, 36] Generated Node #0,3,3: 60:[2, 36] Operation: 44-8=36 Exploring Operation: 44/2=22, Resulting Numbers: [8, 22] Generated Node #0,3,4: 60:[8, 22] Operation: 44/2=22 Moving to Node #0,3,4 Current State: 60:[8, 22], Operations: ['61-59=2', '44/2=22'] Exploring Operation: 8*22=176, Resulting Numbers: [176] 176,60 unequal: No Solution Exploring Operation: 8+22=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,60 unequal: No Solution Moving to Node #0,3,3 Current State: 60:[2, 36], Operations: ['61-59=2', '44-8=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,60 unequal: No Solution Exploring Operation: 2+36=38, Resulting Numbers: [38] 38,60 unequal: No Solution Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,60 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,60 unequal: No Solution Moving to Node #0,3,0 Current State: 60:[2, 52], Operations: ['61-59=2', '8+44=52'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,60 unequal: No Solution Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,60 unequal: No Solution Exploring Operation: 2*52=104, Resulting Numbers: [104] 104,60 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,60 unequal: No Solution Moving to Node #0,3,1 Current State: 60:[44, 10], Operations: ['61-59=2', '8+2=10'] Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,60 unequal: No Solution Exploring Operation: 44*10=440, Resulting Numbers: [440] 440,60 unequal: No Solution Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,60 unequal: No Solution Moving to Node #0,3,2 Current State: 60:[44, 6], Operations: ['61-59=2', '8-2=6'] Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,60 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 60, 28, 37, 30 ]
23
[ "60/30=2", "28/2=14", "37-14=23" ]
Current State: 23:[60, 28, 37, 30], Operations: [] Exploring Operation: 60/30=2, Resulting Numbers: [28, 37, 2] Generated Node #2: [28, 37, 2] from Operation: 60/30=2 Current State: 23:[28, 37, 2], Operations: ['60/30=2'] Exploring Operation: 28/2=14, Resulting Numbers: [37, 14] Generated Node #3: [37, 14] from Operation: 28/2=14 Current State: 23:[37, 14], Operations: ['60/30=2', '28/2=14'] Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[60, 28, 37, 30], Operations: [] Exploring Operation: 60-37=23, Resulting Numbers: [28, 30, 23] Generated Node #0,0: 23:[28, 30, 23] Operation: 60-37=23 Exploring Operation: 60-30=30, Resulting Numbers: [28, 37, 30] Generated Node #0,1: 23:[28, 37, 30] Operation: 60-30=30 Moving to Node #0,0 Current State: 23:[28, 30, 23], Operations: ['60-37=23'] Exploring Operation: 30-28=2, Resulting Numbers: [23, 2] Generated Node #0,0,0: 23:[23, 2] Operation: 30-28=2 Exploring Operation: 30-23=7, Resulting Numbers: [28, 7] Generated Node #0,0,1: 23:[28, 7] Operation: 30-23=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[23, 2], Operations: ['60-37=23', '30-28=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,23 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 23:[28, 7], Operations: ['60-37=23', '30-23=7'] Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,23 unequal: No Solution Exploring Operation: 28+7=35, Resulting Numbers: [35] 35,23 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: 23:[28, 37, 30], Operations: ['60-30=30'] Exploring Operation: 37-30=7, Resulting Numbers: [28, 7] Generated Node #0,1,0: 23:[28, 7] Operation: 37-30=7 Exploring Operation: 37-28=9, Resulting Numbers: [30, 9] Generated Node #0,1,1: 23:[30, 9] Operation: 37-28=9 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[28, 7], Operations: ['60-30=30', '37-30=7'] Exploring Operation: 28+7=35, Resulting Numbers: [35] 35,23 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[30, 9], Operations: ['60-30=30', '37-28=9'] Exploring Operation: 30+9=39, Resulting Numbers: [39] 39,23 unequal: No Solution Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,23 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
[ 96, 8, 85, 37 ]
16
[ "96*8=768", "85-37=48", "768/48=16" ]
Current State: 16:[96, 8, 85, 37], Operations: [] Exploring Operation: 96*8=768, Resulting Numbers: [85, 37, 768] Generated Node #2: [85, 37, 768] from Operation: 96*8=768 Current State: 16:[85, 37, 768], Operations: ['96*8=768'] Exploring Operation: 85-37=48, Resulting Numbers: [768, 48] Generated Node #3: [768, 48] from Operation: 85-37=48 Current State: 16:[768, 48], Operations: ['96*8=768', '85-37=48'] Exploring Operation: 768/48=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[96, 8, 85, 37], Operations: [] Exploring Operation: 96/8=12, Resulting Numbers: [85, 37, 12] Generated Node #0,0: 16:[85, 37, 12] Operation: 96/8=12 Exploring Operation: 96-85=11, Resulting Numbers: [8, 37, 11] Generated Node #0,1: 16:[8, 37, 11] Operation: 96-85=11 Exploring Operation: 85-37=48, Resulting Numbers: [96, 8, 48] Generated Node #0,2: 16:[96, 8, 48] Operation: 85-37=48 Exploring Operation: 96-8=88, Resulting Numbers: [85, 37, 88] Generated Node #0,3: 16:[85, 37, 88] Operation: 96-8=88 Exploring Operation: 96-37=59, Resulting Numbers: [8, 85, 59] Generated Node #0,4: 16:[8, 85, 59] Operation: 96-37=59 Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[8, 37, 11], Operations: ['96-85=11'] Exploring Operation: 11-8=3, Resulting Numbers: [37, 3] Generated Node #0,1,0: 16:[37, 3] Operation: 11-8=3 Exploring Operation: 37-8=29, Resulting Numbers: [11, 29] Generated Node #0,1,1: 16:[11, 29] Operation: 37-8=29 Exploring Operation: 8+37=45, Resulting Numbers: [11, 45] Generated Node #0,1,2: 16:[11, 45] Operation: 8+37=45 Exploring Operation: 37-11=26, Resulting Numbers: [8, 26] Generated Node #0,1,3: 16:[8, 26] Operation: 37-11=26 Exploring Operation: 8+11=19, Resulting Numbers: [37, 19] Generated Node #0,1,4: 16:[37, 19] Operation: 8+11=19 Moving to Node #0,1,3 Current State: 16:[8, 26], Operations: ['96-85=11', '37-11=26'] Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,16 unequal: No Solution Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 8*26=208, Resulting Numbers: [208] 208,16 unequal: No Solution Moving to Node #0,1,1 Current State: 16:[11, 29], Operations: ['96-85=11', '37-8=29'] Exploring Operation: 11*29=319, Resulting Numbers: [319] 319,16 unequal: No Solution Exploring Operation: 11+29=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,16 unequal: No Solution Moving to Node #0,1,0 Current State: 16:[37, 3], Operations: ['96-85=11', '11-8=3'] Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,16 unequal: No Solution Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,16 unequal: No Solution Moving to Node #0,1,4 Current State: 16:[37, 19], Operations: ['96-85=11', '8+11=19'] Exploring Operation: 37-19=18, Resulting Numbers: [18] 18,16 unequal: No Solution Exploring Operation: 37+19=56, Resulting Numbers: [56] 56,16 unequal: No Solution Exploring Operation: 37*19=703, Resulting Numbers: [703] 703,16 unequal: No Solution Moving to Node #0,1,2 Current State: 16:[11, 45], Operations: ['96-85=11', '8+37=45'] Exploring Operation: 45-11=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 11+45=56, Resulting Numbers: [56] 56,16 unequal: No Solution Exploring Operation: 11*45=495, Resulting Numbers: [495] 495,16 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:[85, 37, 12], Operations: ['96/8=12'] Exploring Operation: 85-12=73, Resulting Numbers: [37, 73] Generated Node #0,0,0: 16:[37, 73] Operation: 85-12=73 Exploring Operation: 85-37=48, Resulting Numbers: [12, 48] Generated Node #0,0,1: 16:[12, 48] Operation: 85-37=48 Exploring Operation: 37+12=49, Resulting Numbers: [85, 49] Generated Node #0,0,2: 16:[85, 49] Operation: 37+12=49 Exploring Operation: 85+12=97, Resulting Numbers: [37, 97] Generated Node #0,0,3: 16:[37, 97] Operation: 85+12=97 Exploring Operation: 37-12=25, Resulting Numbers: [85, 25] Generated Node #0,0,4: 16:[85, 25] Operation: 37-12=25 Moving to Node #0,0,1 Current State: 16:[12, 48], Operations: ['96/8=12', '85-37=48'] Exploring Operation: 12+48=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,16 unequal: No Solution Exploring Operation: 12*48=576, Resulting Numbers: [576] 576,16 unequal: No Solution Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,16 unequal: No Solution Moving to Node #0,0,4 Current State: 16:[85, 25], Operations: ['96/8=12', '37-12=25'] Exploring Operation: 85-25=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 85*25=2125, Resulting Numbers: [2125] 2125,16 unequal: No Solution Exploring Operation: 85+25=110, Resulting Numbers: [110] 110,16 unequal: No Solution Moving to Node #0,0,0 Current State: 16:[37, 73], Operations: ['96/8=12', '85-12=73'] Exploring Operation: 73-37=36, Resulting Numbers: [36] 36,16 unequal: No Solution Exploring Operation: 37*73=2701, Resulting Numbers: [2701] 2701,16 unequal: No Solution Exploring Operation: 37+73=110, Resulting Numbers: [110] 110,16 unequal: No Solution Moving to Node #0,0,2 Current State: 16:[85, 49], Operations: ['96/8=12', '37+12=49'] Exploring Operation: 85+49=134, Resulting Numbers: [134] 134,16 unequal: No Solution Exploring Operation: 85-49=36, Resulting Numbers: [36] 36,16 unequal: No Solution Exploring Operation: 85*49=4165, Resulting Numbers: [4165] 4165,16 unequal: No Solution Moving to Node #0,0,3 Current State: 16:[37, 97], Operations: ['96/8=12', '85+12=97'] Exploring Operation: 97-37=60, Resulting Numbers: [60] 60,16 unequal: No Solution Exploring Operation: 37+97=134, Resulting Numbers: [134] 134,16 unequal: No Solution Exploring Operation: 37*97=3589, Resulting Numbers: [3589] 3589,16 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:[96, 8, 48], Operations: ['85-37=48'] Exploring Operation: 96-8=88, Resulting Numbers: [48, 88] Generated Node #0,2,0: 16:[48, 88] Operation: 96-8=88 Exploring Operation: 96/8=12, Resulting Numbers: [48, 12] Generated Node #0,2,1: 16:[48, 12] Operation: 96/8=12 Exploring Operation: 48/8=6, Resulting Numbers: [96, 6] Generated Node #0,2,2: 16:[96, 6] Operation: 48/8=6 Exploring Operation: 96/48=2, Resulting Numbers: [8, 2] Generated Node #0,2,3: 16:[8, 2] Operation: 96/48=2 Exploring Operation: 96-48=48, Resulting Numbers: [8, 48] Generated Node #0,2,4: 16:[8, 48] Operation: 96-48=48 Moving to Node #0,2,3 Current State: 16:[8, 2], Operations: ['85-37=48', '96/48=2'] Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,16 unequal: No Solution Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[96, 8, 85, 37], Operations: [] Exploring Operation: 85-37=48, Resulting Numbers: [96, 8, 48] Generated Node #0,2: 16:[96, 8, 48] Operation: 85-37=48 Moving to Node #0,2 Current State: 16:[96, 8, 48], Operations: ['85-37=48'] Exploring Operation: 96/48=2, Resulting Numbers: [8, 2] Generated Node #0,2,3: 16:[8, 2] Operation: 96/48=2 Moving to Node #0,2,3 Current State: 16:[8, 2], Operations: ['85-37=48', '96/48=2'] Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.950521
hs_5
mult_heuristic
[ 46, 8, 29, 45 ]
91
[ "46-29=17", "8*17=136", "136-45=91" ]
Current State: 91:[46, 8, 29, 45], Operations: [] Exploring Operation: 46-29=17, Resulting Numbers: [8, 45, 17] Generated Node #2: [8, 45, 17] from Operation: 46-29=17 Current State: 91:[8, 45, 17], Operations: ['46-29=17'] Exploring Operation: 8*17=136, Resulting Numbers: [45, 136] Generated Node #3: [45, 136] from Operation: 8*17=136 Current State: 91:[45, 136], Operations: ['46-29=17', '8*17=136'] Exploring Operation: 136-45=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[46, 8, 29, 45], Operations: [] Exploring Operation: 46-45=1, Resulting Numbers: [8, 29, 1] Generated Node #0,0: 91:[8, 29, 1] Operation: 46-45=1 Exploring Operation: 46-29=17, Resulting Numbers: [8, 45, 17] Generated Node #0,1: 91:[8, 45, 17] Operation: 46-29=17 Exploring Operation: 46+45=91, Resulting Numbers: [8, 29, 91] Generated Node #0,2: 91:[8, 29, 91] Operation: 46+45=91 Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[8, 29, 91], Operations: ['46+45=91'] Exploring Operation: 8+91=99, Resulting Numbers: [29, 99] Generated Node #0,2,0: 91:[29, 99] Operation: 8+91=99 Exploring Operation: 8+29=37, Resulting Numbers: [91, 37] Generated Node #0,2,1: 91:[91, 37] Operation: 8+29=37 Exploring Operation: 29-8=21, Resulting Numbers: [91, 21] Generated Node #0,2,2: 91:[91, 21] Operation: 29-8=21 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 91:[91, 21], Operations: ['46+45=91', '29-8=21'] Exploring Operation: 91+21=112, Resulting Numbers: [112] 112,91 unequal: No Solution Exploring Operation: 91-21=70, Resulting Numbers: [70] 70,91 unequal: No Solution Exploring Operation: 91*21=1911, Resulting Numbers: [1911] 1911,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 91:[29, 99], Operations: ['46+45=91', '8+91=99'] Exploring Operation: 99-29=70, Resulting Numbers: [70] 70,91 unequal: No Solution Exploring Operation: 29*99=2871, Resulting Numbers: [2871] 2871,91 unequal: No Solution Exploring Operation: 29+99=128, Resulting Numbers: [128] 128,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 91:[91, 37], Operations: ['46+45=91', '8+29=37'] Exploring Operation: 91+37=128, Resulting Numbers: [128] 128,91 unequal: No Solution Exploring Operation: 91-37=54, Resulting Numbers: [54] 54,91 unequal: No Solution Exploring Operation: 91*37=3367, Resulting Numbers: [3367] 3367,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[8, 29, 1], Operations: ['46-45=1'] Exploring Operation: 29-1=28, Resulting Numbers: [8, 28] Generated Node #0,0,0: 91:[8, 28] Operation: 29-1=28 Exploring Operation: 29-8=21, Resulting Numbers: [1, 21] Generated Node #0,0,1: 91:[1, 21] Operation: 29-8=21 Exploring Operation: 8-1=7, Resulting Numbers: [29, 7] Generated Node #0,0,2: 91:[29, 7] Operation: 8-1=7 Moving to Node #0,0,1 Current State: 91:[1, 21], Operations: ['46-45=1', '29-8=21'] Exploring Operation: 1*21=21, Resulting Numbers: [21] 21,91 unequal: No Solution Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 21/1=21, Resulting Numbers: [21] 21,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[8, 28], Operations: ['46-45=1', '29-1=28'] Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,91 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,91 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,91 unequal: No Solution Moving to Node #0,0,2 Current State: 91:[29, 7], Operations: ['46-45=1', '8-1=7'] Exploring Operation: 29*7=203, Resulting Numbers: [203] 203,91 unequal: No Solution Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,91 unequal: No Solution Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[8, 45, 17], Operations: ['46-29=17'] Exploring Operation: 45+17=62, Resulting Numbers: [8, 62] Generated Node #0,1,0: 91:[8, 62] Operation: 45+17=62 Exploring Operation: 45-17=28, Resulting Numbers: [8, 28] Generated Node #0,1,1: 91:[8, 28] Operation: 45-17=28 Exploring Operation: 45-8=37, Resulting Numbers: [17, 37] Generated Node #0,1,2: 91:[17, 37] Operation: 45-8=37 Moving to Node #0,1,1 Current State: 91:[8, 28], Operations: ['46-29=17', '45-17=28'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,91 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,91 unequal: No Solution Moving to Node #0,1,2 Current State: 91:[17, 37], Operations: ['46-29=17', '45-8=37'] Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 17*37=629, Resulting Numbers: [629] 629,91 unequal: No Solution Exploring Operation: 17+37=54, Resulting Numbers: [54] 54,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[8, 62], Operations: ['46-29=17', '45+17=62'] Exploring Operation: 8+62=70, Resulting Numbers: [70] 70,91 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,91 unequal: No Solution Exploring Operation: 8*62=496, Resulting Numbers: [496] 496,91 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
[ 81, 2, 44, 7 ]
51
[ "81-44=37", "2*7=14", "37+14=51" ]
Current State: 51:[81, 2, 44, 7], Operations: [] Exploring Operation: 81-44=37, Resulting Numbers: [2, 7, 37] Generated Node #2: [2, 7, 37] from Operation: 81-44=37 Current State: 51:[2, 7, 37], Operations: ['81-44=37'] Exploring Operation: 2*7=14, Resulting Numbers: [37, 14] Generated Node #3: [37, 14] from Operation: 2*7=14 Current State: 51:[37, 14], Operations: ['81-44=37', '2*7=14'] Exploring Operation: 37+14=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[81, 2, 44, 7], Operations: [] Exploring Operation: 81-7=74, Resulting Numbers: [2, 44, 74] Generated Node #0,0: 51:[2, 44, 74] Operation: 81-7=74 Exploring Operation: 81-44=37, Resulting Numbers: [2, 7, 37] Generated Node #0,1: 51:[2, 7, 37] Operation: 81-44=37 Exploring Operation: 44+7=51, Resulting Numbers: [81, 2, 51] Generated Node #0,2: 51:[81, 2, 51] Operation: 44+7=51 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[2, 7, 37], Operations: ['81-44=37'] Exploring Operation: 7+37=44, Resulting Numbers: [2, 44] Generated Node #0,1,0: 51:[2, 44] Operation: 7+37=44 Exploring Operation: 37-7=30, Resulting Numbers: [2, 30] Generated Node #0,1,1: 51:[2, 30] Operation: 37-7=30 Exploring Operation: 7-2=5, Resulting Numbers: [37, 5] Generated Node #0,1,2: 51:[37, 5] Operation: 7-2=5 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 51:[2, 44], Operations: ['81-44=37', '7+37=44'] Exploring Operation: 2+44=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,51 unequal: No Solution Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,51 unequal: No Solution No 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: 51:[2, 30], Operations: ['81-44=37', '37-7=30'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,51 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,51 unequal: No Solution No 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: 51:[37, 5], Operations: ['81-44=37', '7-2=5'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,51 unequal: No Solution Exploring Operation: 37*5=185, Resulting Numbers: [185] 185,51 unequal: No Solution Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,51 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: 51:[2, 44, 74], Operations: ['81-7=74'] Exploring Operation: 74-44=30, Resulting Numbers: [2, 30] Generated Node #0,0,0: 51:[2, 30] Operation: 74-44=30 Exploring Operation: 74/2=37, Resulting Numbers: [44, 37] Generated Node #0,0,1: 51:[44, 37] Operation: 74/2=37 Exploring Operation: 2+44=46, Resulting Numbers: [74, 46] Generated Node #0,0,2: 51:[74, 46] Operation: 2+44=46 Moving to Node #0,0,0 Current State: 51:[2, 30], Operations: ['81-7=74', '74-44=30'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,51 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[44, 37], Operations: ['81-7=74', '74/2=37'] Exploring Operation: 44*37=1628, Resulting Numbers: [1628] 1628,51 unequal: No Solution Exploring Operation: 44-37=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 44+37=81, Resulting Numbers: [81] 81,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[74, 46], Operations: ['81-7=74', '2+44=46'] Exploring Operation: 74-46=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 74+46=120, Resulting Numbers: [120] 120,51 unequal: No Solution Exploring Operation: 74*46=3404, Resulting Numbers: [3404] 3404,51 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 #0,2 Current State: 51:[81, 2, 51], Operations: ['44+7=51'] Exploring Operation: 81-2=79, Resulting Numbers: [51, 79] Generated Node #0,2,0: 51:[51, 79] Operation: 81-2=79 Exploring Operation: 81-51=30, Resulting Numbers: [2, 30] Generated Node #0,2,1: 51:[2, 30] Operation: 81-51=30 Exploring Operation: 81+2=83, Resulting Numbers: [51, 83] Generated Node #0,2,2: 51:[51, 83] Operation: 81+2=83 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 51:[2, 30], Operations: ['44+7=51', '81-51=30'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,51 unequal: No Solution No 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: 51:[51, 79], Operations: ['44+7=51', '81-2=79'] Exploring Operation: 79-51=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 51*79=4029, Resulting Numbers: [4029] 4029,51 unequal: No Solution Exploring Operation: 51+79=130, Resulting Numbers: [130] 130,51 unequal: No Solution No 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: 51:[51, 83], Operations: ['44+7=51', '81+2=83'] Exploring Operation: 51+83=134, Resulting Numbers: [134] 134,51 unequal: No Solution Exploring Operation: 83-51=32, Resulting Numbers: [32] 32,51 unequal: No Solution Exploring Operation: 51*83=4233, Resulting Numbers: [4233] 4233,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 42, 69, 20, 19 ]
26
[ "69-42=27", "20-19=1", "27-1=26" ]
Current State: 26:[42, 69, 20, 19], Operations: [] Exploring Operation: 69-42=27, Resulting Numbers: [20, 19, 27] Generated Node #2: [20, 19, 27] from Operation: 69-42=27 Current State: 26:[20, 19, 27], Operations: ['69-42=27'] Exploring Operation: 20-19=1, Resulting Numbers: [27, 1] Generated Node #3: [27, 1] from Operation: 20-19=1 Current State: 26:[27, 1], Operations: ['69-42=27', '20-19=1'] Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[42, 69, 20, 19], Operations: [] Exploring Operation: 69-20=49, Resulting Numbers: [42, 19, 49] Generated Node #0,0: 26:[42, 19, 49] Operation: 69-20=49 Exploring Operation: 42-19=23, Resulting Numbers: [69, 20, 23] Generated Node #0,1: 26:[69, 20, 23] Operation: 42-19=23 Exploring Operation: 69-19=50, Resulting Numbers: [42, 20, 50] Generated Node #0,2: 26:[42, 20, 50] Operation: 69-19=50 Exploring Operation: 42-20=22, Resulting Numbers: [69, 19, 22] Generated Node #0,3: 26:[69, 19, 22] Operation: 42-20=22 Exploring Operation: 69-42=27, Resulting Numbers: [20, 19, 27] Generated Node #0,4: 26:[20, 19, 27] Operation: 69-42=27 Start Sub Search at level 1: Moving to Node #0,4 Current State: 26:[20, 19, 27], Operations: ['69-42=27'] Exploring Operation: 20-19=1, Resulting Numbers: [27, 1] Generated Node #0,4,0: 26:[27, 1] Operation: 20-19=1 Exploring Operation: 20+19=39, Resulting Numbers: [27, 39] Generated Node #0,4,1: 26:[27, 39] Operation: 20+19=39 Exploring Operation: 27-20=7, Resulting Numbers: [19, 7] Generated Node #0,4,2: 26:[19, 7] Operation: 27-20=7 Exploring Operation: 19+27=46, Resulting Numbers: [20, 46] Generated Node #0,4,3: 26:[20, 46] Operation: 19+27=46 Exploring Operation: 27-19=8, Resulting Numbers: [20, 8] Generated Node #0,4,4: 26:[20, 8] Operation: 27-19=8 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 26:[27, 1], Operations: ['69-42=27', '20-19=1'] Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,26 unequal: No Solution Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[42, 69, 20, 19], Operations: [] Exploring Operation: 69-42=27, Resulting Numbers: [20, 19, 27] Generated Node #0,4: 26:[20, 19, 27] Operation: 69-42=27 Moving to Node #0,4 Current State: 26:[20, 19, 27], Operations: ['69-42=27'] Exploring Operation: 20-19=1, Resulting Numbers: [27, 1] Generated Node #0,4,0: 26:[27, 1] Operation: 20-19=1 Moving to Node #0,4,0 Current State: 26:[27, 1], Operations: ['69-42=27', '20-19=1'] Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 15, 90, 9, 33 ]
30
[ "90/15=6", "33-9=24", "6+24=30" ]
Current State: 30:[15, 90, 9, 33], Operations: [] Exploring Operation: 90/15=6, Resulting Numbers: [9, 33, 6] Generated Node #2: [9, 33, 6] from Operation: 90/15=6 Current State: 30:[9, 33, 6], Operations: ['90/15=6'] Exploring Operation: 33-9=24, Resulting Numbers: [6, 24] Generated Node #3: [6, 24] from Operation: 33-9=24 Current State: 30:[6, 24], Operations: ['90/15=6', '33-9=24'] Exploring Operation: 6+24=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[15, 90, 9, 33], Operations: [] Exploring Operation: 90/15=6, Resulting Numbers: [9, 33, 6] Generated Node #0,0: 30:[9, 33, 6] Operation: 90/15=6 Exploring Operation: 90-15=75, Resulting Numbers: [9, 33, 75] Generated Node #0,1: 30:[9, 33, 75] Operation: 90-15=75 Exploring Operation: 90/9=10, Resulting Numbers: [15, 33, 10] Generated Node #0,2: 30:[15, 33, 10] Operation: 90/9=10 Exploring Operation: 90-33=57, Resulting Numbers: [15, 9, 57] Generated Node #0,3: 30:[15, 9, 57] Operation: 90-33=57 Moving to Node #0,2 Current State: 30:[15, 33, 10], Operations: ['90/9=10'] Exploring Operation: 33-15=18, Resulting Numbers: [10, 18] Generated Node #0,2,0: 30:[10, 18] Operation: 33-15=18 Exploring Operation: 15-10=5, Resulting Numbers: [33, 5] Generated Node #0,2,1: 30:[33, 5] Operation: 15-10=5 Exploring Operation: 33-10=23, Resulting Numbers: [15, 23] Generated Node #0,2,2: 30:[15, 23] Operation: 33-10=23 Exploring Operation: 15+10=25, Resulting Numbers: [33, 25] Generated Node #0,2,3: 30:[33, 25] Operation: 15+10=25 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 30:[10, 18], Operations: ['90/9=10', '33-15=18'] Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,30 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,30 unequal: No Solution Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,30 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 #0,2,1 Current State: 30:[33, 5], Operations: ['90/9=10', '15-10=5'] Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,30 unequal: No Solution Exploring Operation: 33*5=165, Resulting Numbers: [165] 165,30 unequal: No Solution Exploring Operation: 33+5=38, Resulting Numbers: [38] 38,30 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 #0,2,2 Current State: 30:[15, 23], Operations: ['90/9=10', '33-10=23'] Exploring Operation: 15*23=345, Resulting Numbers: [345] 345,30 unequal: No Solution Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,30 unequal: No Solution Exploring Operation: 15+23=38, Resulting Numbers: [38] 38,30 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 #0,2,3 Current State: 30:[33, 25], Operations: ['90/9=10', '15+10=25'] Exploring Operation: 33+25=58, Resulting Numbers: [58] 58,30 unequal: No Solution Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,30 unequal: No Solution Exploring Operation: 33*25=825, Resulting Numbers: [825] 825,30 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: 30:[9, 33, 6], Operations: ['90/15=6'] Exploring Operation: 33-9=24, Resulting Numbers: [6, 24] Generated Node #0,0,0: 30:[6, 24] Operation: 33-9=24 Exploring Operation: 33-6=27, Resulting Numbers: [9, 27] Generated Node #0,0,1: 30:[9, 27] Operation: 33-6=27 Exploring Operation: 9-6=3, Resulting Numbers: [33, 3] Generated Node #0,0,2: 30:[33, 3] Operation: 9-6=3 Exploring Operation: 9+6=15, Resulting Numbers: [33, 15] Generated Node #0,0,3: 30:[33, 15] Operation: 9+6=15 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 30:[33, 3], Operations: ['90/15=6', '9-6=3'] Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,30 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[15, 90, 9, 33], Operations: [] Exploring Operation: 90/15=6, Resulting Numbers: [9, 33, 6] Generated Node #0,0: 30:[9, 33, 6] Operation: 90/15=6 Moving to Node #0,0 Current State: 30:[9, 33, 6], Operations: ['90/15=6'] Exploring Operation: 9-6=3, Resulting Numbers: [33, 3] Generated Node #0,0,2: 30:[33, 3] Operation: 9-6=3 Moving to Node #0,0,2 Current State: 30:[33, 3], Operations: ['90/15=6', '9-6=3'] Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 26, 69, 89, 77 ]
31
[ "69-26=43", "89-77=12", "43-12=31" ]
Current State: 31:[26, 69, 89, 77], Operations: [] Exploring Operation: 69-26=43, Resulting Numbers: [89, 77, 43] Generated Node #2: [89, 77, 43] from Operation: 69-26=43 Current State: 31:[89, 77, 43], Operations: ['69-26=43'] Exploring Operation: 89-77=12, Resulting Numbers: [43, 12] Generated Node #3: [43, 12] from Operation: 89-77=12 Current State: 31:[43, 12], Operations: ['69-26=43', '89-77=12'] Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[26, 69, 89, 77], Operations: [] Exploring Operation: 89-77=12, Resulting Numbers: [26, 69, 12] Generated Node #0,0: 31:[26, 69, 12] Operation: 89-77=12 Exploring Operation: 89-69=20, Resulting Numbers: [26, 77, 20] Generated Node #0,1: 31:[26, 77, 20] Operation: 89-69=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[26, 69, 12], Operations: ['89-77=12'] Exploring Operation: 69-12=57, Resulting Numbers: [26, 57] Generated Node #0,0,0: 31:[26, 57] Operation: 69-12=57 Exploring Operation: 69-26=43, Resulting Numbers: [12, 43] Generated Node #0,0,1: 31:[12, 43] Operation: 69-26=43 Moving to Node #0,0,0 Current State: 31:[26, 57], Operations: ['89-77=12', '69-12=57'] Exploring Operation: 57-26=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[26, 69, 89, 77], Operations: [] Exploring Operation: 89-77=12, Resulting Numbers: [26, 69, 12] Generated Node #0,0: 31:[26, 69, 12] Operation: 89-77=12 Moving to Node #0,0 Current State: 31:[26, 69, 12], Operations: ['89-77=12'] Exploring Operation: 69-12=57, Resulting Numbers: [26, 57] Generated Node #0,0,0: 31:[26, 57] Operation: 69-12=57 Moving to Node #0,0,0 Current State: 31:[26, 57], Operations: ['89-77=12', '69-12=57'] Exploring Operation: 57-26=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 27, 75, 65, 22 ]
59
[ "27+75=102", "65-22=43", "102-43=59" ]
Current State: 59:[27, 75, 65, 22], Operations: [] Exploring Operation: 27+75=102, Resulting Numbers: [65, 22, 102] Generated Node #2: [65, 22, 102] from Operation: 27+75=102 Current State: 59:[65, 22, 102], Operations: ['27+75=102'] Exploring Operation: 65-22=43, Resulting Numbers: [102, 43] Generated Node #3: [102, 43] from Operation: 65-22=43 Current State: 59:[102, 43], Operations: ['27+75=102', '65-22=43'] Exploring Operation: 102-43=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[27, 75, 65, 22], Operations: [] Exploring Operation: 75-27=48, Resulting Numbers: [65, 22, 48] Generated Node #0,0: 59:[65, 22, 48] Operation: 75-27=48 Exploring Operation: 65-22=43, Resulting Numbers: [27, 75, 43] Generated Node #0,1: 59:[27, 75, 43] Operation: 65-22=43 Exploring Operation: 27+22=49, Resulting Numbers: [75, 65, 49] Generated Node #0,2: 59:[75, 65, 49] Operation: 27+22=49 Exploring Operation: 65-27=38, Resulting Numbers: [75, 22, 38] Generated Node #0,3: 59:[75, 22, 38] Operation: 65-27=38 Exploring Operation: 75-22=53, Resulting Numbers: [27, 65, 53] Generated Node #0,4: 59:[27, 65, 53] Operation: 75-22=53 Moving to Node #0,2 Current State: 59:[75, 65, 49], Operations: ['27+22=49'] Exploring Operation: 75+49=124, Resulting Numbers: [65, 124] Generated Node #0,2,0: 59:[65, 124] Operation: 75+49=124 Exploring Operation: 75-49=26, Resulting Numbers: [65, 26] Generated Node #0,2,1: 59:[65, 26] Operation: 75-49=26 Exploring Operation: 75-65=10, Resulting Numbers: [49, 10] Generated Node #0,2,2: 59:[49, 10] Operation: 75-65=10 Exploring Operation: 65+49=114, Resulting Numbers: [75, 114] Generated Node #0,2,3: 59:[75, 114] Operation: 65+49=114 Exploring Operation: 65-49=16, Resulting Numbers: [75, 16] Generated Node #0,2,4: 59:[75, 16] Operation: 65-49=16 Moving to Node #0,4 Current State: 59:[27, 65, 53], Operations: ['75-22=53'] Exploring Operation: 65-27=38, Resulting Numbers: [53, 38] Generated Node #0,4,0: 59:[53, 38] Operation: 65-27=38 Exploring Operation: 65-53=12, Resulting Numbers: [27, 12] Generated Node #0,4,1: 59:[27, 12] Operation: 65-53=12 Exploring Operation: 53-27=26, Resulting Numbers: [65, 26] Generated Node #0,4,2: 59:[65, 26] Operation: 53-27=26 Exploring Operation: 27+53=80, Resulting Numbers: [65, 80] Generated Node #0,4,3: 59:[65, 80] Operation: 27+53=80 Exploring Operation: 27+65=92, Resulting Numbers: [53, 92] Generated Node #0,4,4: 59:[53, 92] Operation: 27+65=92 Moving to Node #0,0 Current State: 59:[65, 22, 48], Operations: ['75-27=48'] Exploring Operation: 22+48=70, Resulting Numbers: [65, 70] Generated Node #0,0,0: 59:[65, 70] Operation: 22+48=70 Exploring Operation: 48-22=26, Resulting Numbers: [65, 26] Generated Node #0,0,1: 59:[65, 26] Operation: 48-22=26 Exploring Operation: 65-48=17, Resulting Numbers: [22, 17] Generated Node #0,0,2: 59:[22, 17] Operation: 65-48=17 Exploring Operation: 65-22=43, Resulting Numbers: [48, 43] Generated Node #0,0,3: 59:[48, 43] Operation: 65-22=43 Exploring Operation: 65+22=87, Resulting Numbers: [48, 87] Generated Node #0,0,4: 59:[48, 87] Operation: 65+22=87 Moving to Node #0,1 Current State: 59:[27, 75, 43], Operations: ['65-22=43'] Exploring Operation: 75-43=32, Resulting Numbers: [27, 32] Generated Node #0,1,0: 59:[27, 32] Operation: 75-43=32 Exploring Operation: 43-27=16, Resulting Numbers: [75, 16] Generated Node #0,1,1: 59:[75, 16] Operation: 43-27=16 Exploring Operation: 75-27=48, Resulting Numbers: [43, 48] Generated Node #0,1,2: 59:[43, 48] Operation: 75-27=48 Exploring Operation: 27+43=70, Resulting Numbers: [75, 70] Generated Node #0,1,3: 59:[75, 70] Operation: 27+43=70 Exploring Operation: 27+75=102, Resulting Numbers: [43, 102] Generated Node #0,1,4: 59:[43, 102] Operation: 27+75=102 Moving to Node #0,3 Current State: 59:[75, 22, 38], Operations: ['65-27=38'] Exploring Operation: 38-22=16, Resulting Numbers: [75, 16] Generated Node #0,3,0: 59:[75, 16] Operation: 38-22=16 Exploring Operation: 75-38=37, Resulting Numbers: [22, 37] Generated Node #0,3,1: 59:[22, 37] Operation: 75-38=37 Exploring Operation: 75+22=97, Resulting Numbers: [38, 97] Generated Node #0,3,2: 59:[38, 97] Operation: 75+22=97 Exploring Operation: 75-22=53, Resulting Numbers: [38, 53] Generated Node #0,3,3: 59:[38, 53] Operation: 75-22=53 Exploring Operation: 22+38=60, Resulting Numbers: [75, 60] Generated Node #0,3,4: 59:[75, 60] Operation: 22+38=60 Moving to Node #0,0,0 Current State: 59:[65, 70], Operations: ['75-27=48', '22+48=70'] Exploring Operation: 70-65=5, Resulting Numbers: [5] 5,59 unequal: No Solution Exploring Operation: 65+70=135, Resulting Numbers: [135] 135,59 unequal: No Solution Exploring Operation: 65*70=4550, Resulting Numbers: [4550] 4550,59 unequal: No Solution Moving to Node #0,3,4 Current State: 59:[75, 60], Operations: ['65-27=38', '22+38=60'] Exploring Operation: 75+60=135, Resulting Numbers: [135] 135,59 unequal: No Solution Exploring Operation: 75*60=4500, Resulting Numbers: [4500] 4500,59 unequal: No Solution Exploring Operation: 75-60=15, Resulting Numbers: [15] 15,59 unequal: No Solution Moving to Node #0,4,3 Current State: 59:[65, 80], Operations: ['75-22=53', '27+53=80'] Exploring Operation: 65+80=145, Resulting Numbers: [145] 145,59 unequal: No Solution Exploring Operation: 65*80=5200, Resulting Numbers: [5200] 5200,59 unequal: No Solution Exploring Operation: 80-65=15, Resulting Numbers: [15] 15,59 unequal: No Solution Moving to Node #0,0,3 Current State: 59:[48, 43], Operations: ['75-27=48', '65-22=43'] Exploring Operation: 48+43=91, Resulting Numbers: [91] 91,59 unequal: No Solution Exploring Operation: 48*43=2064, Resulting Numbers: [2064] 2064,59 unequal: No Solution Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,59 unequal: No Solution Moving to Node #0,4,0 Current State: 59:[53, 38], Operations: ['75-22=53', '65-27=38'] Exploring Operation: 53*38=2014, Resulting Numbers: [2014] 2014,59 unequal: No Solution Exploring Operation: 53+38=91, Resulting Numbers: [91] 91,59 unequal: No Solution Exploring Operation: 53-38=15, Resulting Numbers: [15] 15,59 unequal: No Solution Moving to Node #0,3,3 Current State: 59:[38, 53], Operations: ['65-27=38', '75-22=53'] Exploring Operation: 38*53=2014, Resulting Numbers: [2014] 2014,59 unequal: No Solution Exploring Operation: 53-38=15, Resulting Numbers: [15] 15,59 unequal: No Solution Exploring Operation: 38+53=91, Resulting Numbers: [91] 91,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[43, 48], Operations: ['65-22=43', '75-27=48'] Exploring Operation: 43*48=2064, Resulting Numbers: [2064] 2064,59 unequal: No Solution Exploring Operation: 43+48=91, Resulting Numbers: [91] 91,59 unequal: No Solution Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,59 unequal: No Solution Moving to Node #0,1,3 Current State: 59:[75, 70], Operations: ['65-22=43', '27+43=70'] Exploring Operation: 75-70=5, Resulting Numbers: [5] 5,59 unequal: No Solution Exploring Operation: 75*70=5250, Resulting Numbers: [5250] 5250,59 unequal: No Solution Exploring Operation: 75+70=145, Resulting Numbers: [145] 145,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[65, 26], Operations: ['27+22=49', '75-49=26'] Exploring Operation: 65-26=39, Resulting Numbers: [39] 39,59 unequal: No Solution Exploring Operation: 65*26=1690, Resulting Numbers: [1690] 1690,59 unequal: No Solution Exploring Operation: 65+26=91, Resulting Numbers: [91] 91,59 unequal: No Solution Moving to Node #0,0,4 Current State: 59:[48, 87], Operations: ['75-27=48', '65+22=87'] Exploring Operation: 48*87=4176, Resulting Numbers: [4176] 4176,59 unequal: No Solution Exploring Operation: 48+87=135, Resulting Numbers: [135] 135,59 unequal: No Solution Exploring Operation: 87-48=39, Resulting Numbers: [39] 39,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[65, 26], Operations: ['75-27=48', '48-22=26'] Exploring Operation: 65*26=1690, Resulting Numbers: [1690] 1690,59 unequal: No Solution Exploring Operation: 65+26=91, Resulting Numbers: [91] 91,59 unequal: No Solution Exploring Operation: 65-26=39, Resulting Numbers: [39] 39,59 unequal: No Solution Moving to Node #0,4,2 Current State: 59:[65, 26], Operations: ['75-22=53', '53-27=26'] Exploring Operation: 65+26=91, Resulting Numbers: [91] 91,59 unequal: No Solution Exploring Operation: 65*26=1690, Resulting Numbers: [1690] 1690,59 unequal: No Solution Exploring Operation: 65-26=39, Resulting Numbers: [39] 39,59 unequal: No Solution Moving to Node #0,4,4 Current State: 59:[53, 92], Operations: ['75-22=53', '27+65=92'] Exploring Operation: 92-53=39, Resulting Numbers: [39] 39,59 unequal: No Solution Exploring Operation: 53*92=4876, Resulting Numbers: [4876] 4876,59 unequal: No Solution Exploring Operation: 53+92=145, Resulting Numbers: [145] 145,59 unequal: No Solution Moving to Node #0,3,2 Current State: 59:[38, 97], Operations: ['65-27=38', '75+22=97'] Exploring Operation: 38*97=3686, Resulting Numbers: [3686] 3686,59 unequal: No Solution Exploring Operation: 97-38=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[27, 75, 65, 22], Operations: [] Exploring Operation: 65-27=38, Resulting Numbers: [75, 22, 38] Generated Node #0,3: 59:[75, 22, 38] Operation: 65-27=38 Moving to Node #0,3 Current State: 59:[75, 22, 38], Operations: ['65-27=38'] Exploring Operation: 75+22=97, Resulting Numbers: [38, 97] Generated Node #0,3,2: 59:[38, 97] Operation: 75+22=97 Moving to Node #0,3,2 Current State: 59:[38, 97], Operations: ['65-27=38', '75+22=97'] Exploring Operation: 97-38=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
0.934896
hs_5
sum_heuristic
[ 82, 50, 96, 48 ]
89
[ "82+96=178", "50-48=2", "178/2=89" ]
Current State: 89:[82, 50, 96, 48], Operations: [] Exploring Operation: 82+96=178, Resulting Numbers: [50, 48, 178] Generated Node #2: [50, 48, 178] from Operation: 82+96=178 Current State: 89:[50, 48, 178], Operations: ['82+96=178'] Exploring Operation: 50-48=2, Resulting Numbers: [178, 2] Generated Node #3: [178, 2] from Operation: 50-48=2 Current State: 89:[178, 2], Operations: ['82+96=178', '50-48=2'] Exploring Operation: 178/2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[82, 50, 96, 48], Operations: [] Exploring Operation: 82+48=130, Resulting Numbers: [50, 96, 130] Generated Node #0,0: 89:[50, 96, 130] Operation: 82+48=130 Exploring Operation: 50+48=98, Resulting Numbers: [82, 96, 98] Generated Node #0,1: 89:[82, 96, 98] Operation: 50+48=98 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[82, 96, 98], Operations: ['50+48=98'] Exploring Operation: 96-82=14, Resulting Numbers: [98, 14] Generated Node #0,1,0: 89:[98, 14] Operation: 96-82=14 Exploring Operation: 98-82=16, Resulting Numbers: [96, 16] Generated Node #0,1,1: 89:[96, 16] Operation: 98-82=16 Moving to Node #0,1,1 Current State: 89:[96, 16], Operations: ['50+48=98', '98-82=16'] Exploring Operation: 96+16=112, Resulting Numbers: [112] 112,89 unequal: No Solution Exploring Operation: 96-16=80, Resulting Numbers: [80] 80,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[98, 14], Operations: ['50+48=98', '96-82=14'] Exploring Operation: 98+14=112, Resulting Numbers: [112] 112,89 unequal: No Solution Exploring Operation: 98-14=84, Resulting Numbers: [84] 84,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[50, 96, 130], Operations: ['82+48=130'] Exploring Operation: 130-50=80, Resulting Numbers: [96, 80] Generated Node #0,0,0: 89:[96, 80] Operation: 130-50=80 Exploring Operation: 96-50=46, Resulting Numbers: [130, 46] Generated Node #0,0,1: 89:[130, 46] Operation: 96-50=46 Moving to Node #0,0,0 Current State: 89:[96, 80], Operations: ['82+48=130', '130-50=80'] Exploring Operation: 96-80=16, Resulting Numbers: [16] 16,89 unequal: No Solution Exploring Operation: 96+80=176, Resulting Numbers: [176] 176,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[130, 46], Operations: ['82+48=130', '96-50=46'] Exploring Operation: 130-46=84, Resulting Numbers: [84] 84,89 unequal: No Solution Exploring Operation: 130+46=176, Resulting Numbers: [176] 176,89 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
[ 71, 2, 60, 54 ]
68
[ "60-54=6", "6/2=3", "71-3=68" ]
Current State: 68:[71, 2, 60, 54], Operations: [] Exploring Operation: 60-54=6, Resulting Numbers: [71, 2, 6] Generated Node #2: [71, 2, 6] from Operation: 60-54=6 Current State: 68:[71, 2, 6], Operations: ['60-54=6'] Exploring Operation: 6/2=3, Resulting Numbers: [71, 3] Generated Node #3: [71, 3] from Operation: 6/2=3 Current State: 68:[71, 3], Operations: ['60-54=6', '6/2=3'] Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[71, 2, 60, 54], Operations: [] Exploring Operation: 71-54=17, Resulting Numbers: [2, 60, 17] Generated Node #0,0: 68:[2, 60, 17] Operation: 71-54=17 Exploring Operation: 60-54=6, Resulting Numbers: [71, 2, 6] Generated Node #0,1: 68:[71, 2, 6] Operation: 60-54=6 Moving to Node #0,1 Current State: 68:[71, 2, 6], Operations: ['60-54=6'] Exploring Operation: 71-2=69, Resulting Numbers: [6, 69] Generated Node #0,1,0: 68:[6, 69] Operation: 71-2=69 Exploring Operation: 71-6=65, Resulting Numbers: [2, 65] Generated Node #0,1,1: 68:[2, 65] Operation: 71-6=65 Moving to Node #0,0 Current State: 68:[2, 60, 17], Operations: ['71-54=17'] Exploring Operation: 60/2=30, Resulting Numbers: [17, 30] Generated Node #0,0,0: 68:[17, 30] Operation: 60/2=30 Exploring Operation: 2+60=62, Resulting Numbers: [17, 62] Generated Node #0,0,1: 68:[17, 62] Operation: 2+60=62 Moving to Node #0,1,0 Current State: 68:[6, 69], Operations: ['60-54=6', '71-2=69'] Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,68 unequal: No Solution Exploring Operation: 6+69=75, Resulting Numbers: [75] 75,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[2, 65], Operations: ['60-54=6', '71-6=65'] Exploring Operation: 2+65=67, Resulting Numbers: [67] 67,68 unequal: No Solution Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[17, 30], Operations: ['71-54=17', '60/2=30'] Exploring Operation: 30-17=13, Resulting Numbers: [13] 13,68 unequal: No Solution Exploring Operation: 17+30=47, Resulting Numbers: [47] 47,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[17, 62], Operations: ['71-54=17', '2+60=62'] Exploring Operation: 62-17=45, Resulting Numbers: [45] 45,68 unequal: No Solution Exploring Operation: 17+62=79, Resulting Numbers: [79] 79,68 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 37, 78, 34, 90 ]
83
[ "78-37=41", "34+90=124", "124-41=83" ]
Current State: 83:[37, 78, 34, 90], Operations: [] Exploring Operation: 78-37=41, Resulting Numbers: [34, 90, 41] Generated Node #2: [34, 90, 41] from Operation: 78-37=41 Current State: 83:[34, 90, 41], Operations: ['78-37=41'] Exploring Operation: 34+90=124, Resulting Numbers: [41, 124] Generated Node #3: [41, 124] from Operation: 34+90=124 Current State: 83:[41, 124], Operations: ['78-37=41', '34+90=124'] Exploring Operation: 124-41=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[37, 78, 34, 90], Operations: [] Exploring Operation: 90-37=53, Resulting Numbers: [78, 34, 53] Generated Node #0,0: 83:[78, 34, 53] Operation: 90-37=53 Exploring Operation: 78+34=112, Resulting Numbers: [37, 90, 112] Generated Node #0,1: 83:[37, 90, 112] Operation: 78+34=112 Exploring Operation: 90-34=56, Resulting Numbers: [37, 78, 56] Generated Node #0,2: 83:[37, 78, 56] Operation: 90-34=56 Exploring Operation: 37+34=71, Resulting Numbers: [78, 90, 71] Generated Node #0,3: 83:[78, 90, 71] Operation: 37+34=71 Moving to Node #0,3 Current State: 83:[78, 90, 71], Operations: ['37+34=71'] Exploring Operation: 78-71=7, Resulting Numbers: [90, 7] Generated Node #0,3,0: 83:[90, 7] Operation: 78-71=7 Exploring Operation: 90-71=19, Resulting Numbers: [78, 19] Generated Node #0,3,1: 83:[78, 19] Operation: 90-71=19 Exploring Operation: 78+71=149, Resulting Numbers: [90, 149] Generated Node #0,3,2: 83:[90, 149] Operation: 78+71=149 Exploring Operation: 90-78=12, Resulting Numbers: [71, 12] Generated Node #0,3,3: 83:[71, 12] Operation: 90-78=12 Moving to Node #0,2 Current State: 83:[37, 78, 56], Operations: ['90-34=56'] Exploring Operation: 78-37=41, Resulting Numbers: [56, 41] Generated Node #0,2,0: 83:[56, 41] Operation: 78-37=41 Exploring Operation: 37+78=115, Resulting Numbers: [56, 115] Generated Node #0,2,1: 83:[56, 115] Operation: 37+78=115 Exploring Operation: 37+56=93, Resulting Numbers: [78, 93] Generated Node #0,2,2: 83:[78, 93] Operation: 37+56=93 Exploring Operation: 56-37=19, Resulting Numbers: [78, 19] Generated Node #0,2,3: 83:[78, 19] Operation: 56-37=19 Moving to Node #0,1 Current State: 83:[37, 90, 112], Operations: ['78+34=112'] Exploring Operation: 90-37=53, Resulting Numbers: [112, 53] Generated Node #0,1,0: 83:[112, 53] Operation: 90-37=53 Exploring Operation: 37+90=127, Resulting Numbers: [112, 127] Generated Node #0,1,1: 83:[112, 127] Operation: 37+90=127 Exploring Operation: 37+112=149, Resulting Numbers: [90, 149] Generated Node #0,1,2: 83:[90, 149] Operation: 37+112=149 Exploring Operation: 112-37=75, Resulting Numbers: [90, 75] Generated Node #0,1,3: 83:[90, 75] Operation: 112-37=75 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 83:[90, 75], Operations: ['78+34=112', '112-37=75'] Exploring Operation: 90-75=15, Resulting Numbers: [15] 15,83 unequal: No Solution Exploring Operation: 90*75=6750, Resulting Numbers: [6750] 6750,83 unequal: No Solution Exploring Operation: 90+75=165, Resulting Numbers: [165] 165,83 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 #0,1,0 Current State: 83:[112, 53], Operations: ['78+34=112', '90-37=53'] Exploring Operation: 112*53=5936, Resulting Numbers: [5936] 5936,83 unequal: No Solution Exploring Operation: 112-53=59, Resulting Numbers: [59] 59,83 unequal: No Solution Exploring Operation: 112+53=165, Resulting Numbers: [165] 165,83 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 #0,1,1 Current State: 83:[112, 127], Operations: ['78+34=112', '37+90=127'] Exploring Operation: 127-112=15, Resulting Numbers: [15] 15,83 unequal: No Solution Exploring Operation: 112+127=239, Resulting Numbers: [239] 239,83 unequal: No Solution Exploring Operation: 112*127=14224, Resulting Numbers: [14224] 14224,83 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 #0,1,2 Current State: 83:[90, 149], Operations: ['78+34=112', '37+112=149'] Exploring Operation: 90*149=13410, Resulting Numbers: [13410] 13410,83 unequal: No Solution Exploring Operation: 90+149=239, Resulting Numbers: [239] 239,83 unequal: No Solution Exploring Operation: 149-90=59, Resulting Numbers: [59] 59,83 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: 83:[78, 34, 53], Operations: ['90-37=53'] Exploring Operation: 34+53=87, Resulting Numbers: [78, 87] Generated Node #0,0,0: 83:[78, 87] Operation: 34+53=87 Exploring Operation: 78-34=44, Resulting Numbers: [53, 44] Generated Node #0,0,1: 83:[53, 44] Operation: 78-34=44 Exploring Operation: 53-34=19, Resulting Numbers: [78, 19] Generated Node #0,0,2: 83:[78, 19] Operation: 53-34=19 Exploring Operation: 78+34=112, Resulting Numbers: [53, 112] Generated Node #0,0,3: 83:[53, 112] Operation: 78+34=112 Moving to Node #0,0,0 Current State: 83:[78, 87], Operations: ['90-37=53', '34+53=87'] Exploring Operation: 87-78=9, Resulting Numbers: [9] 9,83 unequal: No Solution Exploring Operation: 78+87=165, Resulting Numbers: [165] 165,83 unequal: No Solution Exploring Operation: 78*87=6786, Resulting Numbers: [6786] 6786,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[78, 93], Operations: ['90-34=56', '37+56=93'] Exploring Operation: 78*93=7254, Resulting Numbers: [7254] 7254,83 unequal: No Solution Exploring Operation: 78+93=171, Resulting Numbers: [171] 171,83 unequal: No Solution Exploring Operation: 93-78=15, Resulting Numbers: [15] 15,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[56, 115], Operations: ['90-34=56', '37+78=115'] Exploring Operation: 56+115=171, Resulting Numbers: [171] 171,83 unequal: No Solution Exploring Operation: 56*115=6440, Resulting Numbers: [6440] 6440,83 unequal: No Solution Exploring Operation: 115-56=59, Resulting Numbers: [59] 59,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[53, 112], Operations: ['90-37=53', '78+34=112'] Exploring Operation: 53*112=5936, Resulting Numbers: [5936] 5936,83 unequal: No Solution Exploring Operation: 112-53=59, Resulting Numbers: [59] 59,83 unequal: No Solution Exploring Operation: 53+112=165, Resulting Numbers: [165] 165,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[56, 41], Operations: ['90-34=56', '78-37=41'] Exploring Operation: 56+41=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 56*41=2296, Resulting Numbers: [2296] 2296,83 unequal: No Solution Exploring Operation: 56-41=15, Resulting Numbers: [15] 15,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[78, 19], Operations: ['90-37=53', '53-34=19'] Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,83 unequal: No Solution Exploring Operation: 78*19=1482, Resulting Numbers: [1482] 1482,83 unequal: No Solution Exploring Operation: 78+19=97, Resulting Numbers: [97] 97,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[78, 19], Operations: ['90-34=56', '56-37=19'] Exploring Operation: 78*19=1482, Resulting Numbers: [1482] 1482,83 unequal: No Solution Exploring Operation: 78+19=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[53, 44], Operations: ['90-37=53', '78-34=44'] Exploring Operation: 53+44=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 53*44=2332, Resulting Numbers: [2332] 2332,83 unequal: No Solution Exploring Operation: 53-44=9, Resulting Numbers: [9] 9,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[78, 19], Operations: ['37+34=71', '90-71=19'] Exploring Operation: 78+19=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 78*19=1482, Resulting Numbers: [1482] 1482,83 unequal: No Solution Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[90, 149], Operations: ['37+34=71', '78+71=149'] Exploring Operation: 90+149=239, Resulting Numbers: [239] 239,83 unequal: No Solution Exploring Operation: 149-90=59, Resulting Numbers: [59] 59,83 unequal: No Solution Exploring Operation: 90*149=13410, Resulting Numbers: [13410] 13410,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[90, 7], Operations: ['37+34=71', '78-71=7'] Exploring Operation: 90*7=630, Resulting Numbers: [630] 630,83 unequal: No Solution Exploring Operation: 90+7=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 90-7=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[37, 78, 34, 90], Operations: [] Exploring Operation: 37+34=71, Resulting Numbers: [78, 90, 71] Generated Node #0,3: 83:[78, 90, 71] Operation: 37+34=71 Moving to Node #0,3 Current State: 83:[78, 90, 71], Operations: ['37+34=71'] Exploring Operation: 78-71=7, Resulting Numbers: [90, 7] Generated Node #0,3,0: 83:[90, 7] Operation: 78-71=7 Moving to Node #0,3,0 Current State: 83:[90, 7], Operations: ['37+34=71', '78-71=7'] Exploring Operation: 90-7=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
0.940104
hs_4
mult_heuristic
[ 4, 48, 16, 37 ]
41
[ "48/4=12", "16+37=53", "53-12=41" ]
Current State: 41:[4, 48, 16, 37], Operations: [] Exploring Operation: 48/4=12, Resulting Numbers: [16, 37, 12] Generated Node #2: [16, 37, 12] from Operation: 48/4=12 Current State: 41:[16, 37, 12], Operations: ['48/4=12'] Exploring Operation: 16+37=53, Resulting Numbers: [12, 53] Generated Node #3: [12, 53] from Operation: 16+37=53 Current State: 41:[12, 53], Operations: ['48/4=12', '16+37=53'] Exploring Operation: 53-12=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[4, 48, 16, 37], Operations: [] Exploring Operation: 4+16=20, Resulting Numbers: [48, 37, 20] Generated Node #0,0: 41:[48, 37, 20] Operation: 4+16=20 Exploring Operation: 48-4=44, Resulting Numbers: [16, 37, 44] Generated Node #0,1: 41:[16, 37, 44] Operation: 48-4=44 Exploring Operation: 4+37=41, Resulting Numbers: [48, 16, 41] Generated Node #0,2: 41:[48, 16, 41] Operation: 4+37=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[48, 37, 20], Operations: ['4+16=20'] Exploring Operation: 48+20=68, Resulting Numbers: [37, 68] Generated Node #0,0,0: 41:[37, 68] Operation: 48+20=68 Exploring Operation: 48-20=28, Resulting Numbers: [37, 28] Generated Node #0,0,1: 41:[37, 28] Operation: 48-20=28 Exploring Operation: 37+20=57, Resulting Numbers: [48, 57] Generated Node #0,0,2: 41:[48, 57] Operation: 37+20=57 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 41:[37, 28], Operations: ['4+16=20', '48-20=28'] Exploring Operation: 37+28=65, Resulting Numbers: [65] 65,41 unequal: No Solution Exploring Operation: 37-28=9, Resulting Numbers: [9] 9,41 unequal: No Solution Exploring Operation: 37*28=1036, Resulting Numbers: [1036] 1036,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 41:[48, 57], Operations: ['4+16=20', '37+20=57'] Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,41 unequal: No Solution Exploring Operation: 48*57=2736, Resulting Numbers: [2736] 2736,41 unequal: No Solution Exploring Operation: 48+57=105, Resulting Numbers: [105] 105,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[37, 68], Operations: ['4+16=20', '48+20=68'] Exploring Operation: 68-37=31, Resulting Numbers: [31] 31,41 unequal: No Solution Exploring Operation: 37+68=105, Resulting Numbers: [105] 105,41 unequal: No Solution Exploring Operation: 37*68=2516, Resulting Numbers: [2516] 2516,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[16, 37, 44], Operations: ['48-4=44'] Exploring Operation: 16+37=53, Resulting Numbers: [44, 53] Generated Node #0,1,0: 41:[44, 53] Operation: 16+37=53 Exploring Operation: 44-16=28, Resulting Numbers: [37, 28] Generated Node #0,1,1: 41:[37, 28] Operation: 44-16=28 Exploring Operation: 37-16=21, Resulting Numbers: [44, 21] Generated Node #0,1,2: 41:[44, 21] Operation: 37-16=21 Moving to Node #0,1,0 Current State: 41:[44, 53], Operations: ['48-4=44', '16+37=53'] Exploring Operation: 44+53=97, Resulting Numbers: [97] 97,41 unequal: No Solution Exploring Operation: 44*53=2332, Resulting Numbers: [2332] 2332,41 unequal: No Solution Exploring Operation: 53-44=9, Resulting Numbers: [9] 9,41 unequal: No Solution Moving to Node #0,1,1 Current State: 41:[37, 28], Operations: ['48-4=44', '44-16=28'] Exploring Operation: 37+28=65, Resulting Numbers: [65] 65,41 unequal: No Solution Exploring Operation: 37*28=1036, Resulting Numbers: [1036] 1036,41 unequal: No Solution Exploring Operation: 37-28=9, Resulting Numbers: [9] 9,41 unequal: No Solution Moving to Node #0,1,2 Current State: 41:[44, 21], Operations: ['48-4=44', '37-16=21'] Exploring Operation: 44*21=924, Resulting Numbers: [924] 924,41 unequal: No Solution Exploring Operation: 44-21=23, Resulting Numbers: [23] 23,41 unequal: No Solution Exploring Operation: 44+21=65, Resulting Numbers: [65] 65,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 41:[48, 16, 41], Operations: ['4+37=41'] Exploring Operation: 16+41=57, Resulting Numbers: [48, 57] Generated Node #0,2,0: 41:[48, 57] Operation: 16+41=57 Exploring Operation: 48+16=64, Resulting Numbers: [41, 64] Generated Node #0,2,1: 41:[41, 64] Operation: 48+16=64 Exploring Operation: 48-16=32, Resulting Numbers: [41, 32] Generated Node #0,2,2: 41:[41, 32] Operation: 48-16=32 Moving to Node #0,2,2 Current State: 41:[41, 32], Operations: ['4+37=41', '48-16=32'] Exploring Operation: 41-32=9, Resulting Numbers: [9] 9,41 unequal: No Solution Exploring Operation: 41+32=73, Resulting Numbers: [73] 73,41 unequal: No Solution Exploring Operation: 41*32=1312, Resulting Numbers: [1312] 1312,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[48, 57], Operations: ['4+37=41', '16+41=57'] Exploring Operation: 48*57=2736, Resulting Numbers: [2736] 2736,41 unequal: No Solution Exploring Operation: 48+57=105, Resulting Numbers: [105] 105,41 unequal: No Solution Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,41 unequal: No Solution Moving to Node #0,2,1 Current State: 41:[41, 64], Operations: ['4+37=41', '48+16=64'] Exploring Operation: 41*64=2624, Resulting Numbers: [2624] 2624,41 unequal: No Solution Exploring Operation: 64-41=23, Resulting Numbers: [23] 23,41 unequal: No Solution Exploring Operation: 41+64=105, Resulting Numbers: [105] 105,41 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
[ 88, 99, 52, 97 ]
72
[ "88-52=36", "99-97=2", "36*2=72" ]
Current State: 72:[88, 99, 52, 97], Operations: [] Exploring Operation: 88-52=36, Resulting Numbers: [99, 97, 36] Generated Node #2: [99, 97, 36] from Operation: 88-52=36 Current State: 72:[99, 97, 36], Operations: ['88-52=36'] Exploring Operation: 99-97=2, Resulting Numbers: [36, 2] Generated Node #3: [36, 2] from Operation: 99-97=2 Current State: 72:[36, 2], Operations: ['88-52=36', '99-97=2'] Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[88, 99, 52, 97], Operations: [] Exploring Operation: 97-88=9, Resulting Numbers: [99, 52, 9] Generated Node #0,0: 72:[99, 52, 9] Operation: 97-88=9 Exploring Operation: 99-97=2, Resulting Numbers: [88, 52, 2] Generated Node #0,1: 72:[88, 52, 2] Operation: 99-97=2 Exploring Operation: 99-88=11, Resulting Numbers: [52, 97, 11] Generated Node #0,2: 72:[52, 97, 11] Operation: 99-88=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[88, 52, 2], Operations: ['99-97=2'] Exploring Operation: 88/2=44, Resulting Numbers: [52, 44] Generated Node #0,1,0: 72:[52, 44] Operation: 88/2=44 Exploring Operation: 88-52=36, Resulting Numbers: [2, 36] Generated Node #0,1,1: 72:[2, 36] Operation: 88-52=36 Exploring Operation: 52/2=26, Resulting Numbers: [88, 26] Generated Node #0,1,2: 72:[88, 26] Operation: 52/2=26 Moving to Node #0,1,1 Current State: 72:[2, 36], Operations: ['99-97=2', '88-52=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[88, 99, 52, 97], Operations: [] Exploring Operation: 99-97=2, Resulting Numbers: [88, 52, 2] Generated Node #0,1: 72:[88, 52, 2] Operation: 99-97=2 Moving to Node #0,1 Current State: 72:[88, 52, 2], Operations: ['99-97=2'] Exploring Operation: 88-52=36, Resulting Numbers: [2, 36] Generated Node #0,1,1: 72:[2, 36] Operation: 88-52=36 Moving to Node #0,1,1 Current State: 72:[2, 36], Operations: ['99-97=2', '88-52=36'] Exploring Operation: 2*36=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 11, 91, 82, 19 ]
36
[ "11*19=209", "91+82=173", "209-173=36" ]
Current State: 36:[11, 91, 82, 19], Operations: [] Exploring Operation: 11*19=209, Resulting Numbers: [91, 82, 209] Generated Node #2: [91, 82, 209] from Operation: 11*19=209 Current State: 36:[91, 82, 209], Operations: ['11*19=209'] Exploring Operation: 91+82=173, Resulting Numbers: [209, 173] Generated Node #3: [209, 173] from Operation: 91+82=173 Current State: 36:[209, 173], Operations: ['11*19=209', '91+82=173'] Exploring Operation: 209-173=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[11, 91, 82, 19], Operations: [] Exploring Operation: 91-82=9, Resulting Numbers: [11, 19, 9] Generated Node #0,0: 36:[11, 19, 9] Operation: 91-82=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[11, 19, 9], Operations: ['91-82=9'] Exploring Operation: 19-11=8, Resulting Numbers: [9, 8] Generated Node #0,0,0: 36:[9, 8] Operation: 19-11=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 36:[9, 8], Operations: ['91-82=9', '19-11=8'] Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 76, 83, 76, 15 ]
99
[ "76/76=1", "83+15=98", "1+98=99" ]
Current State: 99:[76, 83, 76, 15], Operations: [] Exploring Operation: 76/76=1, Resulting Numbers: [83, 15, 1] Generated Node #2: [83, 15, 1] from Operation: 76/76=1 Current State: 99:[83, 15, 1], Operations: ['76/76=1'] Exploring Operation: 83+15=98, Resulting Numbers: [1, 98] Generated Node #3: [1, 98] from Operation: 83+15=98 Current State: 99:[1, 98], Operations: ['76/76=1', '83+15=98'] Exploring Operation: 1+98=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[76, 83, 76, 15], Operations: [] Exploring Operation: 76/76=1, Resulting Numbers: [83, 15, 1] Generated Node #0,0: 99:[83, 15, 1] Operation: 76/76=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[83, 15, 1], Operations: ['76/76=1'] Exploring Operation: 83+15=98, Resulting Numbers: [1, 98] Generated Node #0,0,0: 99:[1, 98] Operation: 83+15=98 Moving to Node #0,0,0 Current State: 99:[1, 98], Operations: ['76/76=1', '83+15=98'] Exploring Operation: 1+98=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[76, 83, 76, 15], Operations: [] Exploring Operation: 76/76=1, Resulting Numbers: [83, 15, 1] Generated Node #0,0: 99:[83, 15, 1] Operation: 76/76=1 Moving to Node #0,0 Current State: 99:[83, 15, 1], Operations: ['76/76=1'] Exploring Operation: 83+15=98, Resulting Numbers: [1, 98] Generated Node #0,0,0: 99:[1, 98] Operation: 83+15=98 Moving to Node #0,0,0 Current State: 99:[1, 98], Operations: ['76/76=1', '83+15=98'] Exploring Operation: 1+98=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 23, 2, 39, 2 ]
15
[ "39-23=16", "2/2=1", "16-1=15" ]
Current State: 15:[23, 2, 39, 2], Operations: [] Exploring Operation: 39-23=16, Resulting Numbers: [2, 2, 16] Generated Node #2: [2, 2, 16] from Operation: 39-23=16 Current State: 15:[2, 2, 16], Operations: ['39-23=16'] Exploring Operation: 2/2=1, Resulting Numbers: [16, 1] Generated Node #3: [16, 1] from Operation: 2/2=1 Current State: 15:[16, 1], Operations: ['39-23=16', '2/2=1'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[23, 2, 39, 2], Operations: [] Exploring Operation: 39-23=16, Resulting Numbers: [2, 2, 16] Generated Node #0,0: 15:[2, 2, 16] Operation: 39-23=16 Moving to Node #0,0 Current State: 15:[2, 2, 16], Operations: ['39-23=16'] Exploring Operation: 2+2=4, Resulting Numbers: [16, 4] Generated Node #0,0,0: 15:[16, 4] Operation: 2+2=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[16, 4], Operations: ['39-23=16', '2+2=4'] Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,15 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
[ 26, 7, 18, 19 ]
67
[ "26-19=7", "7*7=49", "18+49=67" ]
Current State: 67:[26, 7, 18, 19], Operations: [] Exploring Operation: 26-19=7, Resulting Numbers: [7, 18, 7] Generated Node #2: [7, 18, 7] from Operation: 26-19=7 Current State: 67:[7, 18, 7], Operations: ['26-19=7'] Exploring Operation: 7*7=49, Resulting Numbers: [18, 49] Generated Node #3: [18, 49] from Operation: 7*7=49 Current State: 67:[18, 49], Operations: ['26-19=7', '7*7=49'] Exploring Operation: 18+49=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[26, 7, 18, 19], Operations: [] Exploring Operation: 26+7=33, Resulting Numbers: [18, 19, 33] Generated Node #0,0: 67:[18, 19, 33] Operation: 26+7=33 Moving to Node #0,0 Current State: 67:[18, 19, 33], Operations: ['26+7=33'] Exploring Operation: 18+19=37, Resulting Numbers: [33, 37] Generated Node #0,0,0: 67:[33, 37] Operation: 18+19=37 Moving to Node #0,0,0 Current State: 67:[33, 37], Operations: ['26+7=33', '18+19=37'] Exploring Operation: 33+37=70, Resulting Numbers: [70] 70,67 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 80, 13, 85, 92 ]
21
[ "85-80=5", "13+92=105", "105/5=21" ]
Current State: 21:[80, 13, 85, 92], Operations: [] Exploring Operation: 85-80=5, Resulting Numbers: [13, 92, 5] Generated Node #2: [13, 92, 5] from Operation: 85-80=5 Current State: 21:[13, 92, 5], Operations: ['85-80=5'] Exploring Operation: 13+92=105, Resulting Numbers: [5, 105] Generated Node #3: [5, 105] from Operation: 13+92=105 Current State: 21:[5, 105], Operations: ['85-80=5', '13+92=105'] Exploring Operation: 105/5=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[80, 13, 85, 92], Operations: [] Exploring Operation: 92-85=7, Resulting Numbers: [80, 13, 7] Generated Node #0,0: 21:[80, 13, 7] Operation: 92-85=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[80, 13, 7], Operations: ['92-85=7'] Exploring Operation: 80-13=67, Resulting Numbers: [7, 67] Generated Node #0,0,0: 21:[7, 67] Operation: 80-13=67 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[7, 67], Operations: ['92-85=7', '80-13=67'] Exploring Operation: 67-7=60, Resulting Numbers: [60] 60,21 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
[ 6, 36, 46, 52 ]
56
[ "6+36=42", "46+52=98", "98-42=56" ]
Current State: 56:[6, 36, 46, 52], Operations: [] Exploring Operation: 6+36=42, Resulting Numbers: [46, 52, 42] Generated Node #2: [46, 52, 42] from Operation: 6+36=42 Current State: 56:[46, 52, 42], Operations: ['6+36=42'] Exploring Operation: 46+52=98, Resulting Numbers: [42, 98] Generated Node #3: [42, 98] from Operation: 46+52=98 Current State: 56:[42, 98], Operations: ['6+36=42', '46+52=98'] Exploring Operation: 98-42=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[6, 36, 46, 52], Operations: [] Exploring Operation: 52-46=6, Resulting Numbers: [6, 36, 6] Generated Node #0,0: 56:[6, 36, 6] Operation: 52-46=6 Exploring Operation: 46-36=10, Resulting Numbers: [6, 52, 10] Generated Node #0,1: 56:[6, 52, 10] Operation: 46-36=10 Exploring Operation: 52-36=16, Resulting Numbers: [6, 46, 16] Generated Node #0,2: 56:[6, 46, 16] Operation: 52-36=16 Exploring Operation: 36-6=30, Resulting Numbers: [46, 52, 30] Generated Node #0,3: 56:[46, 52, 30] Operation: 36-6=30 Exploring Operation: 36/6=6, Resulting Numbers: [46, 52, 6] Generated Node #0,4: 56:[46, 52, 6] Operation: 36/6=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[6, 52, 10], Operations: ['46-36=10'] Exploring Operation: 6*10=60, Resulting Numbers: [52, 60] Generated Node #0,1,0: 56:[52, 60] Operation: 6*10=60 Exploring Operation: 52+10=62, Resulting Numbers: [6, 62] Generated Node #0,1,1: 56:[6, 62] Operation: 52+10=62 Exploring Operation: 6+10=16, Resulting Numbers: [52, 16] Generated Node #0,1,2: 56:[52, 16] Operation: 6+10=16 Exploring Operation: 10-6=4, Resulting Numbers: [52, 4] Generated Node #0,1,3: 56:[52, 4] Operation: 10-6=4 Exploring Operation: 6+52=58, Resulting Numbers: [10, 58] Generated Node #0,1,4: 56:[10, 58] Operation: 6+52=58 Moving to Node #0,1,3 Current State: 56:[52, 4], Operations: ['46-36=10', '10-6=4'] Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[6, 36, 46, 52], Operations: [] Exploring Operation: 46-36=10, Resulting Numbers: [6, 52, 10] Generated Node #0,1: 56:[6, 52, 10] Operation: 46-36=10 Moving to Node #0,1 Current State: 56:[6, 52, 10], Operations: ['46-36=10'] Exploring Operation: 10-6=4, Resulting Numbers: [52, 4] Generated Node #0,1,3: 56:[52, 4] Operation: 10-6=4 Moving to Node #0,1,3 Current State: 56:[52, 4], Operations: ['46-36=10', '10-6=4'] Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 21, 75, 33, 71 ]
51
[ "75-71=4", "21*4=84", "84-33=51" ]
Current State: 51:[21, 75, 33, 71], Operations: [] Exploring Operation: 75-71=4, Resulting Numbers: [21, 33, 4] Generated Node #2: [21, 33, 4] from Operation: 75-71=4 Current State: 51:[21, 33, 4], Operations: ['75-71=4'] Exploring Operation: 21*4=84, Resulting Numbers: [33, 84] Generated Node #3: [33, 84] from Operation: 21*4=84 Current State: 51:[33, 84], Operations: ['75-71=4', '21*4=84'] Exploring Operation: 84-33=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[21, 75, 33, 71], Operations: [] Exploring Operation: 75-33=42, Resulting Numbers: [21, 71, 42] Generated Node #0,0: 51:[21, 71, 42] Operation: 75-33=42 Exploring Operation: 75-71=4, Resulting Numbers: [21, 33, 4] Generated Node #0,1: 51:[21, 33, 4] Operation: 75-71=4 Exploring Operation: 71-21=50, Resulting Numbers: [75, 33, 50] Generated Node #0,2: 51:[75, 33, 50] Operation: 71-21=50 Exploring Operation: 75-21=54, Resulting Numbers: [33, 71, 54] Generated Node #0,3: 51:[33, 71, 54] Operation: 75-21=54 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[21, 33, 4], Operations: ['75-71=4'] Exploring Operation: 33-21=12, Resulting Numbers: [4, 12] Generated Node #0,1,0: 51:[4, 12] Operation: 33-21=12 Exploring Operation: 21+33=54, Resulting Numbers: [4, 54] Generated Node #0,1,1: 51:[4, 54] Operation: 21+33=54 Exploring Operation: 21-4=17, Resulting Numbers: [33, 17] Generated Node #0,1,2: 51:[33, 17] Operation: 21-4=17 Exploring Operation: 33-4=29, Resulting Numbers: [21, 29] Generated Node #0,1,3: 51:[21, 29] Operation: 33-4=29 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 51:[4, 54], Operations: ['75-71=4', '21+33=54'] Exploring Operation: 4*54=216, Resulting Numbers: [216] 216,51 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,51 unequal: No Solution Exploring Operation: 4+54=58, Resulting Numbers: [58] 58,51 unequal: No Solution No 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: 51:[4, 12], Operations: ['75-71=4', '33-21=12'] Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,51 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,51 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,51 unequal: No Solution No 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: 51:[33, 17], Operations: ['75-71=4', '21-4=17'] Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 33*17=561, Resulting Numbers: [561] 561,51 unequal: No Solution Exploring Operation: 33+17=50, Resulting Numbers: [50] 50,51 unequal: No Solution No 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: 51:[21, 29], Operations: ['75-71=4', '33-4=29'] Exploring Operation: 21+29=50, Resulting Numbers: [50] 50,51 unequal: No Solution Exploring Operation: 21*29=609, Resulting Numbers: [609] 609,51 unequal: No Solution Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,51 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: 51:[21, 71, 42], Operations: ['75-33=42'] Exploring Operation: 42/21=2, Resulting Numbers: [71, 2] Generated Node #0,0,0: 51:[71, 2] Operation: 42/21=2 Exploring Operation: 71-42=29, Resulting Numbers: [21, 29] Generated Node #0,0,1: 51:[21, 29] Operation: 71-42=29 Exploring Operation: 42-21=21, Resulting Numbers: [71, 21] Generated Node #0,0,2: 51:[71, 21] Operation: 42-21=21 Exploring Operation: 71-21=50, Resulting Numbers: [42, 50] Generated Node #0,0,3: 51:[42, 50] Operation: 71-21=50 Moving to Node #0,0,3 Current State: 51:[42, 50], Operations: ['75-33=42', '71-21=50'] Exploring Operation: 42*50=2100, Resulting Numbers: [2100] 2100,51 unequal: No Solution Exploring Operation: 50-42=8, Resulting Numbers: [8] 8,51 unequal: No Solution Exploring Operation: 42+50=92, Resulting Numbers: [92] 92,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[21, 29], Operations: ['75-33=42', '71-42=29'] Exploring Operation: 21*29=609, Resulting Numbers: [609] 609,51 unequal: No Solution Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,51 unequal: No Solution Exploring Operation: 21+29=50, Resulting Numbers: [50] 50,51 unequal: No Solution Moving to Node #0,0,0 Current State: 51:[71, 2], Operations: ['75-33=42', '42/21=2'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,51 unequal: No Solution Exploring Operation: 71*2=142, Resulting Numbers: [142] 142,51 unequal: No Solution Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[71, 21], Operations: ['75-33=42', '42-21=21'] Exploring Operation: 71+21=92, Resulting Numbers: [92] 92,51 unequal: No Solution Exploring Operation: 71*21=1491, Resulting Numbers: [1491] 1491,51 unequal: No Solution Exploring Operation: 71-21=50, Resulting Numbers: [50] 50,51 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 #0,3 Current State: 51:[33, 71, 54], Operations: ['75-21=54'] Exploring Operation: 71-33=38, Resulting Numbers: [54, 38] Generated Node #0,3,0: 51:[54, 38] Operation: 71-33=38 Exploring Operation: 54-33=21, Resulting Numbers: [71, 21] Generated Node #0,3,1: 51:[71, 21] Operation: 54-33=21 Exploring Operation: 71-54=17, Resulting Numbers: [33, 17] Generated Node #0,3,2: 51:[33, 17] Operation: 71-54=17 Exploring Operation: 33+71=104, Resulting Numbers: [54, 104] Generated Node #0,3,3: 51:[54, 104] Operation: 33+71=104 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 51:[54, 38], Operations: ['75-21=54', '71-33=38'] Exploring Operation: 54*38=2052, Resulting Numbers: [2052] 2052,51 unequal: No Solution Exploring Operation: 54+38=92, Resulting Numbers: [92] 92,51 unequal: No Solution Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,51 unequal: No Solution No 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: 51:[33, 17], Operations: ['75-21=54', '71-54=17'] Exploring Operation: 33*17=561, Resulting Numbers: [561] 561,51 unequal: No Solution Exploring Operation: 33+17=50, Resulting Numbers: [50] 50,51 unequal: No Solution Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,51 unequal: No Solution No 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: 51:[71, 21], Operations: ['75-21=54', '54-33=21'] Exploring Operation: 71*21=1491, Resulting Numbers: [1491] 1491,51 unequal: No Solution Exploring Operation: 71-21=50, Resulting Numbers: [50] 50,51 unequal: No Solution Exploring Operation: 71+21=92, Resulting Numbers: [92] 92,51 unequal: No Solution No 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: 51:[54, 104], Operations: ['75-21=54', '33+71=104'] Exploring Operation: 54*104=5616, Resulting Numbers: [5616] 5616,51 unequal: No Solution Exploring Operation: 104-54=50, Resulting Numbers: [50] 50,51 unequal: No Solution Exploring Operation: 54+104=158, Resulting Numbers: [158] 158,51 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: 51:[75, 33, 50], Operations: ['71-21=50'] Exploring Operation: 75-33=42, Resulting Numbers: [50, 42] Generated Node #0,2,0: 51:[50, 42] Operation: 75-33=42 Exploring Operation: 50-33=17, Resulting Numbers: [75, 17] Generated Node #0,2,1: 51:[75, 17] Operation: 50-33=17 Exploring Operation: 33+50=83, Resulting Numbers: [75, 83] Generated Node #0,2,2: 51:[75, 83] Operation: 33+50=83 Exploring Operation: 75-50=25, Resulting Numbers: [33, 25] Generated Node #0,2,3: 51:[33, 25] Operation: 75-50=25 Moving to Node #0,2,0 Current State: 51:[50, 42], Operations: ['71-21=50', '75-33=42'] Exploring Operation: 50*42=2100, Resulting Numbers: [2100] 2100,51 unequal: No Solution Exploring Operation: 50-42=8, Resulting Numbers: [8] 8,51 unequal: No Solution Exploring Operation: 50+42=92, Resulting Numbers: [92] 92,51 unequal: No Solution Moving to Node #0,2,3 Current State: 51:[33, 25], Operations: ['71-21=50', '75-50=25'] Exploring Operation: 33+25=58, Resulting Numbers: [58] 58,51 unequal: No Solution Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,51 unequal: No Solution Exploring Operation: 33*25=825, Resulting Numbers: [825] 825,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[75, 17], Operations: ['71-21=50', '50-33=17'] Exploring Operation: 75+17=92, Resulting Numbers: [92] 92,51 unequal: No Solution Exploring Operation: 75*17=1275, Resulting Numbers: [1275] 1275,51 unequal: No Solution Exploring Operation: 75-17=58, Resulting Numbers: [58] 58,51 unequal: No Solution Moving to Node #0,2,2 Current State: 51:[75, 83], Operations: ['71-21=50', '33+50=83'] Exploring Operation: 75*83=6225, Resulting Numbers: [6225] 6225,51 unequal: No Solution Exploring Operation: 75+83=158, Resulting Numbers: [158] 158,51 unequal: No Solution Exploring Operation: 83-75=8, Resulting Numbers: [8] 8,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 41, 90, 5, 11 ]
65
[ "90-41=49", "5+11=16", "49+16=65" ]
Current State: 65:[41, 90, 5, 11], Operations: [] Exploring Operation: 90-41=49, Resulting Numbers: [5, 11, 49] Generated Node #2: [5, 11, 49] from Operation: 90-41=49 Current State: 65:[5, 11, 49], Operations: ['90-41=49'] Exploring Operation: 5+11=16, Resulting Numbers: [49, 16] Generated Node #3: [49, 16] from Operation: 5+11=16 Current State: 65:[49, 16], Operations: ['90-41=49', '5+11=16'] Exploring Operation: 49+16=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[41, 90, 5, 11], Operations: [] Exploring Operation: 90-41=49, Resulting Numbers: [5, 11, 49] Generated Node #0,0: 65:[5, 11, 49] Operation: 90-41=49 Exploring Operation: 90/5=18, Resulting Numbers: [41, 11, 18] Generated Node #0,1: 65:[41, 11, 18] Operation: 90/5=18 Moving to Node #0,0 Current State: 65:[5, 11, 49], Operations: ['90-41=49'] Exploring Operation: 5+49=54, Resulting Numbers: [11, 54] Generated Node #0,0,0: 65:[11, 54] Operation: 5+49=54 Exploring Operation: 11+49=60, Resulting Numbers: [5, 60] Generated Node #0,0,1: 65:[5, 60] Operation: 11+49=60 Moving to Node #0,1 Current State: 65:[41, 11, 18], Operations: ['90/5=18'] Exploring Operation: 41+18=59, Resulting Numbers: [11, 59] Generated Node #0,1,0: 65:[11, 59] Operation: 41+18=59 Exploring Operation: 41-18=23, Resulting Numbers: [11, 23] Generated Node #0,1,1: 65:[11, 23] Operation: 41-18=23 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[11, 59], Operations: ['90/5=18', '41+18=59'] Exploring Operation: 59-11=48, Resulting Numbers: [48] 48,65 unequal: No Solution Exploring Operation: 11+59=70, Resulting Numbers: [70] 70,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[11, 23], Operations: ['90/5=18', '41-18=23'] Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 11+23=34, Resulting Numbers: [34] 34,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 65:[5, 60], Operations: ['90-41=49', '11+49=60'] Exploring Operation: 5+60=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[41, 90, 5, 11], Operations: [] Exploring Operation: 90-41=49, Resulting Numbers: [5, 11, 49] Generated Node #0,0: 65:[5, 11, 49] Operation: 90-41=49 Moving to Node #0,0 Current State: 65:[5, 11, 49], Operations: ['90-41=49'] Exploring Operation: 11+49=60, Resulting Numbers: [5, 60] Generated Node #0,0,1: 65:[5, 60] Operation: 11+49=60 Moving to Node #0,0,1 Current State: 65:[5, 60], Operations: ['90-41=49', '11+49=60'] Exploring Operation: 5+60=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 76, 65, 36, 10 ]
15
[ "76-65=11", "36-10=26", "26-11=15" ]
Current State: 15:[76, 65, 36, 10], Operations: [] Exploring Operation: 76-65=11, Resulting Numbers: [36, 10, 11] Generated Node #2: [36, 10, 11] from Operation: 76-65=11 Current State: 15:[36, 10, 11], Operations: ['76-65=11'] Exploring Operation: 36-10=26, Resulting Numbers: [11, 26] Generated Node #3: [11, 26] from Operation: 36-10=26 Current State: 15:[11, 26], Operations: ['76-65=11', '36-10=26'] Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[76, 65, 36, 10], Operations: [] Exploring Operation: 76-65=11, Resulting Numbers: [36, 10, 11] Generated Node #0,0: 15:[36, 10, 11] Operation: 76-65=11 Exploring Operation: 65-36=29, Resulting Numbers: [76, 10, 29] Generated Node #0,1: 15:[76, 10, 29] Operation: 65-36=29 Exploring Operation: 76-36=40, Resulting Numbers: [65, 10, 40] Generated Node #0,2: 15:[65, 10, 40] Operation: 76-36=40 Moving to Node #0,0 Current State: 15:[36, 10, 11], Operations: ['76-65=11'] Exploring Operation: 36-10=26, Resulting Numbers: [11, 26] Generated Node #0,0,0: 15:[11, 26] Operation: 36-10=26 Exploring Operation: 11-10=1, Resulting Numbers: [36, 1] Generated Node #0,0,1: 15:[36, 1] Operation: 11-10=1 Exploring Operation: 36-11=25, Resulting Numbers: [10, 25] Generated Node #0,0,2: 15:[10, 25] Operation: 36-11=25 Moving to Node #0,1 Current State: 15:[76, 10, 29], Operations: ['65-36=29'] Exploring Operation: 76-29=47, Resulting Numbers: [10, 47] Generated Node #0,1,0: 15:[10, 47] Operation: 76-29=47 Exploring Operation: 29-10=19, Resulting Numbers: [76, 19] Generated Node #0,1,1: 15:[76, 19] Operation: 29-10=19 Exploring Operation: 76-10=66, Resulting Numbers: [29, 66] Generated Node #0,1,2: 15:[29, 66] Operation: 76-10=66 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 15:[10, 47], Operations: ['65-36=29', '76-29=47'] Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,15 unequal: No Solution Exploring Operation: 10+47=57, Resulting Numbers: [57] 57,15 unequal: No Solution Exploring Operation: 10*47=470, Resulting Numbers: [470] 470,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 15:[76, 19], Operations: ['65-36=29', '29-10=19'] Exploring Operation: 76/19=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 76-19=57, Resulting Numbers: [57] 57,15 unequal: No Solution Exploring Operation: 76+19=95, Resulting Numbers: [95] 95,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 15:[29, 66], Operations: ['65-36=29', '76-10=66'] Exploring Operation: 29+66=95, Resulting Numbers: [95] 95,15 unequal: No Solution Exploring Operation: 29*66=1914, Resulting Numbers: [1914] 1914,15 unequal: No Solution Exploring Operation: 66-29=37, Resulting Numbers: [37] 37,15 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: 15:[65, 10, 40], Operations: ['76-36=40'] Exploring Operation: 65-40=25, Resulting Numbers: [10, 25] Generated Node #0,2,0: 15:[10, 25] Operation: 65-40=25 Exploring Operation: 65-10=55, Resulting Numbers: [40, 55] Generated Node #0,2,1: 15:[40, 55] Operation: 65-10=55 Exploring Operation: 40/10=4, Resulting Numbers: [65, 4] Generated Node #0,2,2: 15:[65, 4] Operation: 40/10=4 Moving to Node #0,0,0 Current State: 15:[11, 26], Operations: ['76-65=11', '36-10=26'] Exploring Operation: 11*26=286, Resulting Numbers: [286] 286,15 unequal: No Solution Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[76, 65, 36, 10], Operations: [] Exploring Operation: 76-65=11, Resulting Numbers: [36, 10, 11] Generated Node #0,0: 15:[36, 10, 11] Operation: 76-65=11 Moving to Node #0,0 Current State: 15:[36, 10, 11], Operations: ['76-65=11'] Exploring Operation: 36-10=26, Resulting Numbers: [11, 26] Generated Node #0,0,0: 15:[11, 26] Operation: 36-10=26 Moving to Node #0,0,0 Current State: 15:[11, 26], Operations: ['76-65=11', '36-10=26'] Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
0.976563
hs_3
mult_heuristic
[ 39, 81, 76, 81 ]
36
[ "76-39=37", "81/81=1", "37-1=36" ]
Current State: 36:[39, 81, 76, 81], Operations: [] Exploring Operation: 76-39=37, Resulting Numbers: [81, 81, 37] Generated Node #2: [81, 81, 37] from Operation: 76-39=37 Current State: 36:[81, 81, 37], Operations: ['76-39=37'] Exploring Operation: 81/81=1, Resulting Numbers: [37, 1] Generated Node #3: [37, 1] from Operation: 81/81=1 Current State: 36:[37, 1], Operations: ['76-39=37', '81/81=1'] Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[39, 81, 76, 81], Operations: [] Exploring Operation: 81/81=1, Resulting Numbers: [39, 76, 1] Generated Node #0,0: 36:[39, 76, 1] Operation: 81/81=1 Exploring Operation: 81-76=5, Resulting Numbers: [39, 81, 5] Generated Node #0,1: 36:[39, 81, 5] Operation: 81-76=5 Exploring Operation: 81-76=5, Resulting Numbers: [39, 81, 5] Generated Node #0,2: 36:[39, 81, 5] Operation: 81-76=5 Exploring Operation: 81-81=0, Resulting Numbers: [39, 76, 0] Generated Node #0,3: 36:[39, 76, 0] Operation: 81-81=0 Exploring Operation: 81-39=42, Resulting Numbers: [76, 81, 42] Generated Node #0,4: 36:[76, 81, 42] Operation: 81-39=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[39, 76, 1], Operations: ['81/81=1'] Exploring Operation: 76-1=75, Resulting Numbers: [39, 75] Generated Node #0,0,0: 36:[39, 75] Operation: 76-1=75 Exploring Operation: 76-39=37, Resulting Numbers: [1, 37] Generated Node #0,0,1: 36:[1, 37] Operation: 76-39=37 Exploring Operation: 39*1=39, Resulting Numbers: [76, 39] Generated Node #0,0,2: 36:[76, 39] Operation: 39*1=39 Exploring Operation: 39/1=39, Resulting Numbers: [76, 39] Generated Node #0,0,3: 36:[76, 39] Operation: 39/1=39 Exploring Operation: 39-1=38, Resulting Numbers: [76, 38] Generated Node #0,0,4: 36:[76, 38] Operation: 39-1=38 Moving to Node #0,0,1 Current State: 36:[1, 37], Operations: ['81/81=1', '76-39=37'] Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[39, 81, 76, 81], Operations: [] Exploring Operation: 81/81=1, Resulting Numbers: [39, 76, 1] Generated Node #0,0: 36:[39, 76, 1] Operation: 81/81=1 Moving to Node #0,0 Current State: 36:[39, 76, 1], Operations: ['81/81=1'] Exploring Operation: 76-39=37, Resulting Numbers: [1, 37] Generated Node #0,0,1: 36:[1, 37] Operation: 76-39=37 Moving to Node #0,0,1 Current State: 36:[1, 37], Operations: ['81/81=1', '76-39=37'] Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 23, 52, 32, 96 ]
25
[ "23+52=75", "96/32=3", "75/3=25" ]
Current State: 25:[23, 52, 32, 96], Operations: [] Exploring Operation: 23+52=75, Resulting Numbers: [32, 96, 75] Generated Node #2: [32, 96, 75] from Operation: 23+52=75 Current State: 25:[32, 96, 75], Operations: ['23+52=75'] Exploring Operation: 96/32=3, Resulting Numbers: [75, 3] Generated Node #3: [75, 3] from Operation: 96/32=3 Current State: 25:[75, 3], Operations: ['23+52=75', '96/32=3'] Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[23, 52, 32, 96], Operations: [] Exploring Operation: 96-52=44, Resulting Numbers: [23, 32, 44] Generated Node #0,0: 25:[23, 32, 44] Operation: 96-52=44 Exploring Operation: 96-32=64, Resulting Numbers: [23, 52, 64] Generated Node #0,1: 25:[23, 52, 64] Operation: 96-32=64 Exploring Operation: 52-32=20, Resulting Numbers: [23, 96, 20] Generated Node #0,2: 25:[23, 96, 20] Operation: 52-32=20 Exploring Operation: 96/32=3, Resulting Numbers: [23, 52, 3] Generated Node #0,3: 25:[23, 52, 3] Operation: 96/32=3 Moving to Node #0,0 Current State: 25:[23, 32, 44], Operations: ['96-52=44'] Exploring Operation: 44-32=12, Resulting Numbers: [23, 12] Generated Node #0,0,0: 25:[23, 12] Operation: 44-32=12 Exploring Operation: 32-23=9, Resulting Numbers: [44, 9] Generated Node #0,0,1: 25:[44, 9] Operation: 32-23=9 Exploring Operation: 44-23=21, Resulting Numbers: [32, 21] Generated Node #0,0,2: 25:[32, 21] Operation: 44-23=21 Exploring Operation: 23+32=55, Resulting Numbers: [44, 55] Generated Node #0,0,3: 25:[44, 55] Operation: 23+32=55 Moving to Node #0,3 Current State: 25:[23, 52, 3], Operations: ['96/32=3'] Exploring Operation: 23-3=20, Resulting Numbers: [52, 20] Generated Node #0,3,0: 25:[52, 20] Operation: 23-3=20 Exploring Operation: 52-23=29, Resulting Numbers: [3, 29] Generated Node #0,3,1: 25:[3, 29] Operation: 52-23=29 Exploring Operation: 23+3=26, Resulting Numbers: [52, 26] Generated Node #0,3,2: 25:[52, 26] Operation: 23+3=26 Exploring Operation: 52-3=49, Resulting Numbers: [23, 49] Generated Node #0,3,3: 25:[23, 49] Operation: 52-3=49 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 25:[3, 29], Operations: ['96/32=3', '52-23=29'] Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,25 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 25:[23, 49], Operations: ['96/32=3', '52-3=49'] Exploring Operation: 23*49=1127, Resulting Numbers: [1127] 1127,25 unequal: No Solution Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 23+49=72, Resulting Numbers: [72] 72,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 25:[52, 26], Operations: ['96/32=3', '23+3=26'] Exploring Operation: 52+26=78, Resulting Numbers: [78] 78,25 unequal: No Solution Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 52*26=1352, Resulting Numbers: [1352] 1352,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 25:[52, 20], Operations: ['96/32=3', '23-3=20'] Exploring Operation: 52+20=72, Resulting Numbers: [72] 72,25 unequal: No Solution Exploring Operation: 52*20=1040, Resulting Numbers: [1040] 1040,25 unequal: No Solution Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,25 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: 25:[23, 52, 64], Operations: ['96-32=64'] Exploring Operation: 52-23=29, Resulting Numbers: [64, 29] Generated Node #0,1,0: 25:[64, 29] Operation: 52-23=29 Exploring Operation: 64-52=12, Resulting Numbers: [23, 12] Generated Node #0,1,1: 25:[23, 12] Operation: 64-52=12 Exploring Operation: 23+52=75, Resulting Numbers: [64, 75] Generated Node #0,1,2: 25:[64, 75] Operation: 23+52=75 Exploring Operation: 64-23=41, Resulting Numbers: [52, 41] Generated Node #0,1,3: 25:[52, 41] Operation: 64-23=41 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[23, 12], Operations: ['96-32=64', '64-52=12'] Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 23*12=276, Resulting Numbers: [276] 276,25 unequal: No Solution Exploring Operation: 23+12=35, Resulting Numbers: [35] 35,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[64, 29], Operations: ['96-32=64', '52-23=29'] Exploring Operation: 64*29=1856, Resulting Numbers: [1856] 1856,25 unequal: No Solution Exploring Operation: 64-29=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 64+29=93, Resulting Numbers: [93] 93,25 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:[52, 41], Operations: ['96-32=64', '64-23=41'] Exploring Operation: 52+41=93, Resulting Numbers: [93] 93,25 unequal: No Solution Exploring Operation: 52-41=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 52*41=2132, Resulting Numbers: [2132] 2132,25 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:[64, 75], Operations: ['96-32=64', '23+52=75'] Exploring Operation: 64+75=139, Resulting Numbers: [139] 139,25 unequal: No Solution Exploring Operation: 64*75=4800, Resulting Numbers: [4800] 4800,25 unequal: No Solution Exploring Operation: 75-64=11, Resulting Numbers: [11] 11,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 25:[23, 96, 20], Operations: ['52-32=20'] Exploring Operation: 96-23=73, Resulting Numbers: [20, 73] Generated Node #0,2,0: 25:[20, 73] Operation: 96-23=73 Exploring Operation: 23-20=3, Resulting Numbers: [96, 3] Generated Node #0,2,1: 25:[96, 3] Operation: 23-20=3 Exploring Operation: 23+20=43, Resulting Numbers: [96, 43] Generated Node #0,2,2: 25:[96, 43] Operation: 23+20=43 Exploring Operation: 96-20=76, Resulting Numbers: [23, 76] Generated Node #0,2,3: 25:[23, 76] Operation: 96-20=76 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 25:[20, 73], Operations: ['52-32=20', '96-23=73'] Exploring Operation: 20*73=1460, Resulting Numbers: [1460] 1460,25 unequal: No Solution Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,25 unequal: No Solution Exploring Operation: 20+73=93, Resulting Numbers: [93] 93,25 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 #0,2,3 Current State: 25:[23, 76], Operations: ['52-32=20', '96-20=76'] Exploring Operation: 23*76=1748, Resulting Numbers: [1748] 1748,25 unequal: No Solution Exploring Operation: 23+76=99, Resulting Numbers: [99] 99,25 unequal: No Solution Exploring Operation: 76-23=53, Resulting Numbers: [53] 53,25 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 #0,2,1 Current State: 25:[96, 3], Operations: ['52-32=20', '23-20=3'] Exploring Operation: 96*3=288, Resulting Numbers: [288] 288,25 unequal: No Solution Exploring Operation: 96-3=93, Resulting Numbers: [93] 93,25 unequal: No Solution Exploring Operation: 96+3=99, Resulting Numbers: [99] 99,25 unequal: No Solution Exploring Operation: 96/3=32, Resulting Numbers: [32] 32,25 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 #0,2,2 Current State: 25:[96, 43], Operations: ['52-32=20', '23+20=43'] Exploring Operation: 96-43=53, Resulting Numbers: [53] 53,25 unequal: No Solution Exploring Operation: 96*43=4128, Resulting Numbers: [4128] 4128,25 unequal: No Solution Exploring Operation: 96+43=139, Resulting Numbers: [139] 139,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 25:[23, 12], Operations: ['96-52=44', '44-32=12'] Exploring Operation: 23*12=276, Resulting Numbers: [276] 276,25 unequal: No Solution Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 23+12=35, Resulting Numbers: [35] 35,25 unequal: No Solution Moving to Node #0,0,2 Current State: 25:[32, 21], Operations: ['96-52=44', '44-23=21'] Exploring Operation: 32+21=53, Resulting Numbers: [53] 53,25 unequal: No Solution Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 32*21=672, Resulting Numbers: [672] 672,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[44, 9], Operations: ['96-52=44', '32-23=9'] Exploring Operation: 44*9=396, Resulting Numbers: [396] 396,25 unequal: No Solution Exploring Operation: 44+9=53, Resulting Numbers: [53] 53,25 unequal: No Solution Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,25 unequal: No Solution Moving to Node #0,0,3 Current State: 25:[44, 55], Operations: ['96-52=44', '23+32=55'] Exploring Operation: 44*55=2420, Resulting Numbers: [2420] 2420,25 unequal: No Solution Exploring Operation: 44+55=99, Resulting Numbers: [99] 99,25 unequal: No Solution Exploring Operation: 55-44=11, Resulting Numbers: [11] 11,25 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 7, 49, 4, 17 ]
98
[ "4+17=21", "7*21=147", "147-49=98" ]
Current State: 98:[7, 49, 4, 17], Operations: [] Exploring Operation: 4+17=21, Resulting Numbers: [7, 49, 21] Generated Node #2: [7, 49, 21] from Operation: 4+17=21 Current State: 98:[7, 49, 21], Operations: ['4+17=21'] Exploring Operation: 7*21=147, Resulting Numbers: [49, 147] Generated Node #3: [49, 147] from Operation: 7*21=147 Current State: 98:[49, 147], Operations: ['4+17=21', '7*21=147'] Exploring Operation: 147-49=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[7, 49, 4, 17], Operations: [] Exploring Operation: 7+4=11, Resulting Numbers: [49, 17, 11] Generated Node #0,0: 98:[49, 17, 11] Operation: 7+4=11 Exploring Operation: 17-4=13, Resulting Numbers: [7, 49, 13] Generated Node #0,1: 98:[7, 49, 13] Operation: 17-4=13 Exploring Operation: 7-4=3, Resulting Numbers: [49, 17, 3] Generated Node #0,2: 98:[49, 17, 3] Operation: 7-4=3 Exploring Operation: 49/7=7, Resulting Numbers: [4, 17, 7] Generated Node #0,3: 98:[4, 17, 7] Operation: 49/7=7 Exploring Operation: 17-7=10, Resulting Numbers: [49, 4, 10] Generated Node #0,4: 98:[49, 4, 10] Operation: 17-7=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[7, 49, 13], Operations: ['17-4=13'] Exploring Operation: 7+49=56, Resulting Numbers: [13, 56] Generated Node #0,1,0: 98:[13, 56] Operation: 7+49=56 Exploring Operation: 7*13=91, Resulting Numbers: [49, 91] Generated Node #0,1,1: 98:[49, 91] Operation: 7*13=91 Exploring Operation: 13-7=6, Resulting Numbers: [49, 6] Generated Node #0,1,2: 98:[49, 6] Operation: 13-7=6 Exploring Operation: 7+13=20, Resulting Numbers: [49, 20] Generated Node #0,1,3: 98:[49, 20] Operation: 7+13=20 Exploring Operation: 49/7=7, Resulting Numbers: [13, 7] Generated Node #0,1,4: 98:[13, 7] Operation: 49/7=7 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[49, 6], Operations: ['17-4=13', '13-7=6'] Exploring Operation: 49+6=55, Resulting Numbers: [55] 55,98 unequal: No Solution Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,98 unequal: No Solution Exploring Operation: 49*6=294, Resulting Numbers: [294] 294,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 98:[13, 7], Operations: ['17-4=13', '49/7=7'] Exploring Operation: 13*7=91, Resulting Numbers: [91] 91,98 unequal: No Solution Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 13+7=20, Resulting Numbers: [20] 20,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 98:[49, 20], Operations: ['17-4=13', '7+13=20'] Exploring Operation: 49+20=69, Resulting Numbers: [69] 69,98 unequal: No Solution Exploring Operation: 49*20=980, Resulting Numbers: [980] 980,98 unequal: No Solution Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[49, 91], Operations: ['17-4=13', '7*13=91'] Exploring Operation: 91-49=42, Resulting Numbers: [42] 42,98 unequal: No Solution Exploring Operation: 49+91=140, Resulting Numbers: [140] 140,98 unequal: No Solution Exploring Operation: 49*91=4459, Resulting Numbers: [4459] 4459,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[13, 56], Operations: ['17-4=13', '7+49=56'] Exploring Operation: 56-13=43, Resulting Numbers: [43] 43,98 unequal: No Solution Exploring Operation: 13*56=728, Resulting Numbers: [728] 728,98 unequal: No Solution Exploring Operation: 13+56=69, Resulting Numbers: [69] 69,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[49, 17, 3], Operations: ['7-4=3'] Exploring Operation: 17*3=51, Resulting Numbers: [49, 51] Generated Node #0,2,0: 98:[49, 51] Operation: 17*3=51 Exploring Operation: 49-3=46, Resulting Numbers: [17, 46] Generated Node #0,2,1: 98:[17, 46] Operation: 49-3=46 Exploring Operation: 49+3=52, Resulting Numbers: [17, 52] Generated Node #0,2,2: 98:[17, 52] Operation: 49+3=52 Exploring Operation: 17-3=14, Resulting Numbers: [49, 14] Generated Node #0,2,3: 98:[49, 14] Operation: 17-3=14 Exploring Operation: 17+3=20, Resulting Numbers: [49, 20] Generated Node #0,2,4: 98:[49, 20] Operation: 17+3=20 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 98:[49, 14], Operations: ['7-4=3', '17-3=14'] Exploring Operation: 49*14=686, Resulting Numbers: [686] 686,98 unequal: No Solution Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 49+14=63, Resulting Numbers: [63] 63,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 98:[49, 51], Operations: ['7-4=3', '17*3=51'] Exploring Operation: 51-49=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 49+51=100, Resulting Numbers: [100] 100,98 unequal: No Solution Exploring Operation: 49*51=2499, Resulting Numbers: [2499] 2499,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 98:[17, 46], Operations: ['7-4=3', '49-3=46'] Exploring Operation: 17*46=782, Resulting Numbers: [782] 782,98 unequal: No Solution Exploring Operation: 17+46=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 98:[17, 52], Operations: ['7-4=3', '49+3=52'] Exploring Operation: 17*52=884, Resulting Numbers: [884] 884,98 unequal: No Solution Exploring Operation: 17+52=69, Resulting Numbers: [69] 69,98 unequal: No Solution Exploring Operation: 52-17=35, Resulting Numbers: [35] 35,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 98:[49, 20], Operations: ['7-4=3', '17+3=20'] Exploring Operation: 49-20=29, Resulting Numbers: [29] 29,98 unequal: No Solution Exploring Operation: 49*20=980, Resulting Numbers: [980] 980,98 unequal: No Solution Exploring Operation: 49+20=69, Resulting Numbers: [69] 69,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 98:[4, 17, 7], Operations: ['49/7=7'] Exploring Operation: 7-4=3, Resulting Numbers: [17, 3] Generated Node #0,3,0: 98:[17, 3] Operation: 7-4=3 Exploring Operation: 4+17=21, Resulting Numbers: [7, 21] Generated Node #0,3,1: 98:[7, 21] Operation: 4+17=21 Exploring Operation: 17-4=13, Resulting Numbers: [7, 13] Generated Node #0,3,2: 98:[7, 13] Operation: 17-4=13 Exploring Operation: 4+7=11, Resulting Numbers: [17, 11] Generated Node #0,3,3: 98:[17, 11] Operation: 4+7=11 Exploring Operation: 17-7=10, Resulting Numbers: [4, 10] Generated Node #0,3,4: 98:[4, 10] Operation: 17-7=10 Moving to Node #0,3,2 Current State: 98:[7, 13], Operations: ['49/7=7', '17-4=13'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,98 unequal: No Solution Exploring Operation: 7+13=20, Resulting Numbers: [20] 20,98 unequal: No Solution Moving to Node #0,3,0 Current State: 98:[17, 3], Operations: ['49/7=7', '7-4=3'] Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,98 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,98 unequal: No Solution Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,98 unequal: No Solution Moving to Node #0,3,4 Current State: 98:[4, 10], Operations: ['49/7=7', '17-7=10'] Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,98 unequal: No Solution Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,98 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,98 unequal: No Solution Moving to Node #0,3,3 Current State: 98:[17, 11], Operations: ['49/7=7', '4+7=11'] Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 17+11=28, Resulting Numbers: [28] 28,98 unequal: No Solution Exploring Operation: 17*11=187, Resulting Numbers: [187] 187,98 unequal: No Solution Moving to Node #0,3,1 Current State: 98:[7, 21], Operations: ['49/7=7', '4+17=21'] Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,98 unequal: No Solution Exploring Operation: 7+21=28, Resulting Numbers: [28] 28,98 unequal: No Solution Exploring Operation: 7*21=147, Resulting Numbers: [147] 147,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 98:[49, 4, 10], Operations: ['17-7=10'] Exploring Operation: 4+10=14, Resulting Numbers: [49, 14] Generated Node #0,4,0: 98:[49, 14] Operation: 4+10=14 Exploring Operation: 49+4=53, Resulting Numbers: [10, 53] Generated Node #0,4,1: 98:[10, 53] Operation: 49+4=53 Exploring Operation: 10-4=6, Resulting Numbers: [49, 6] Generated Node #0,4,2: 98:[49, 6] Operation: 10-4=6 Exploring Operation: 4*10=40, Resulting Numbers: [49, 40] Generated Node #0,4,3: 98:[49, 40] Operation: 4*10=40 Exploring Operation: 49-4=45, Resulting Numbers: [10, 45] Generated Node #0,4,4: 98:[10, 45] Operation: 49-4=45 Moving to Node #0,4,0 Current State: 98:[49, 14], Operations: ['17-7=10', '4+10=14'] Exploring Operation: 49*14=686, Resulting Numbers: [686] 686,98 unequal: No Solution Exploring Operation: 49+14=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,98 unequal: No Solution Moving to Node #0,4,2 Current State: 98:[49, 6], Operations: ['17-7=10', '10-4=6'] Exploring Operation: 49*6=294, Resulting Numbers: [294] 294,98 unequal: No Solution Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,98 unequal: No Solution Exploring Operation: 49+6=55, Resulting Numbers: [55] 55,98 unequal: No Solution Moving to Node #0,4,1 Current State: 98:[10, 53], Operations: ['17-7=10', '49+4=53'] Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,98 unequal: No Solution Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,98 unequal: No Solution Exploring Operation: 10*53=530, Resulting Numbers: [530] 530,98 unequal: No Solution Moving to Node #0,4,4 Current State: 98:[10, 45], Operations: ['17-7=10', '49-4=45'] Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,98 unequal: No Solution Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,98 unequal: No Solution Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,98 unequal: No Solution Moving to Node #0,4,3 Current State: 98:[49, 40], Operations: ['17-7=10', '4*10=40'] Exploring Operation: 49+40=89, Resulting Numbers: [89] 89,98 unequal: No Solution Exploring Operation: 49*40=1960, Resulting Numbers: [1960] 1960,98 unequal: No Solution Exploring Operation: 49-40=9, Resulting Numbers: [9] 9,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[49, 17, 11], Operations: ['7+4=11'] Exploring Operation: 49+11=60, Resulting Numbers: [17, 60] Generated Node #0,0,0: 98:[17, 60] Operation: 49+11=60 Exploring Operation: 49-11=38, Resulting Numbers: [17, 38] Generated Node #0,0,1: 98:[17, 38] Operation: 49-11=38 Exploring Operation: 17-11=6, Resulting Numbers: [49, 6] Generated Node #0,0,2: 98:[49, 6] Operation: 17-11=6 Exploring Operation: 49+17=66, Resulting Numbers: [11, 66] Generated Node #0,0,3: 98:[11, 66] Operation: 49+17=66 Exploring Operation: 17+11=28, Resulting Numbers: [49, 28] Generated Node #0,0,4: 98:[49, 28] Operation: 17+11=28 Moving to Node #0,0,2 Current State: 98:[49, 6], Operations: ['7+4=11', '17-11=6'] Exploring Operation: 49+6=55, Resulting Numbers: [55] 55,98 unequal: No Solution Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,98 unequal: No Solution Exploring Operation: 49*6=294, Resulting Numbers: [294] 294,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[17, 38], Operations: ['7+4=11', '49-11=38'] Exploring Operation: 17+38=55, Resulting Numbers: [55] 55,98 unequal: No Solution Exploring Operation: 17*38=646, Resulting Numbers: [646] 646,98 unequal: No Solution Exploring Operation: 38-17=21, Resulting Numbers: [21] 21,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[17, 60], Operations: ['7+4=11', '49+11=60'] Exploring Operation: 17+60=77, Resulting Numbers: [77] 77,98 unequal: No Solution Exploring Operation: 17*60=1020, Resulting Numbers: [1020] 1020,98 unequal: No Solution Exploring Operation: 60-17=43, Resulting Numbers: [43] 43,98 unequal: No Solution Moving to Node #0,0,4 Current State: 98:[49, 28], Operations: ['7+4=11', '17+11=28'] Exploring Operation: 49*28=1372, Resulting Numbers: [1372] 1372,98 unequal: No Solution Exploring Operation: 49+28=77, Resulting Numbers: [77] 77,98 unequal: No Solution Exploring Operation: 49-28=21, Resulting Numbers: [21] 21,98 unequal: No Solution Moving to Node #0,0,3 Current State: 98:[11, 66], Operations: ['7+4=11', '49+17=66'] Exploring Operation: 11*66=726, Resulting Numbers: [726] 726,98 unequal: No Solution Exploring Operation: 66/11=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 66-11=55, Resulting Numbers: [55] 55,98 unequal: No Solution Exploring Operation: 11+66=77, Resulting Numbers: [77] 77,98 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
[ 44, 10, 1, 87 ]
32
[ "44+10=54", "87-1=86", "86-54=32" ]
Current State: 32:[44, 10, 1, 87], Operations: [] Exploring Operation: 44+10=54, Resulting Numbers: [1, 87, 54] Generated Node #2: [1, 87, 54] from Operation: 44+10=54 Current State: 32:[1, 87, 54], Operations: ['44+10=54'] Exploring Operation: 87-1=86, Resulting Numbers: [54, 86] Generated Node #3: [54, 86] from Operation: 87-1=86 Current State: 32:[54, 86], Operations: ['44+10=54', '87-1=86'] Exploring Operation: 86-54=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[44, 10, 1, 87], Operations: [] Exploring Operation: 44-1=43, Resulting Numbers: [10, 87, 43] Generated Node #0,0: 32:[10, 87, 43] Operation: 44-1=43 Exploring Operation: 87-10=77, Resulting Numbers: [44, 1, 77] Generated Node #0,1: 32:[44, 1, 77] Operation: 87-10=77 Exploring Operation: 87-44=43, Resulting Numbers: [10, 1, 43] Generated Node #0,2: 32:[10, 1, 43] Operation: 87-44=43 Exploring Operation: 10-1=9, Resulting Numbers: [44, 87, 9] Generated Node #0,3: 32:[44, 87, 9] Operation: 10-1=9 Exploring Operation: 44-10=34, Resulting Numbers: [1, 87, 34] Generated Node #0,4: 32:[1, 87, 34] Operation: 44-10=34 Moving to Node #0,2 Current State: 32:[10, 1, 43], Operations: ['87-44=43'] Exploring Operation: 10/1=10, Resulting Numbers: [43, 10] Generated Node #0,2,0: 32:[43, 10] Operation: 10/1=10 Exploring Operation: 10-1=9, Resulting Numbers: [43, 9] Generated Node #0,2,1: 32:[43, 9] Operation: 10-1=9 Exploring Operation: 43-10=33, Resulting Numbers: [1, 33] Generated Node #0,2,2: 32:[1, 33] Operation: 43-10=33 Exploring Operation: 10*1=10, Resulting Numbers: [43, 10] Generated Node #0,2,3: 32:[43, 10] Operation: 10*1=10 Exploring Operation: 43-1=42, Resulting Numbers: [10, 42] Generated Node #0,2,4: 32:[10, 42] Operation: 43-1=42 Moving to Node #0,4 Current State: 32:[1, 87, 34], Operations: ['44-10=34'] Exploring Operation: 87/1=87, Resulting Numbers: [34, 87] Generated Node #0,4,0: 32:[34, 87] Operation: 87/1=87 Exploring Operation: 1*87=87, Resulting Numbers: [34, 87] Generated Node #0,4,1: 32:[34, 87] Operation: 1*87=87 Exploring Operation: 34-1=33, Resulting Numbers: [87, 33] Generated Node #0,4,2: 32:[87, 33] Operation: 34-1=33 Exploring Operation: 87-34=53, Resulting Numbers: [1, 53] Generated Node #0,4,3: 32:[1, 53] Operation: 87-34=53 Exploring Operation: 87-1=86, Resulting Numbers: [34, 86] Generated Node #0,4,4: 32:[34, 86] Operation: 87-1=86 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 32:[1, 53], Operations: ['44-10=34', '87-34=53'] Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,32 unequal: No Solution Exploring Operation: 1*53=53, Resulting Numbers: [53] 53,32 unequal: No Solution Exploring Operation: 1+53=54, Resulting Numbers: [54] 54,32 unequal: No Solution Exploring Operation: 53/1=53, Resulting Numbers: [53] 53,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 32:[87, 33], Operations: ['44-10=34', '34-1=33'] Exploring Operation: 87-33=54, Resulting Numbers: [54] 54,32 unequal: No Solution Exploring Operation: 87+33=120, Resulting Numbers: [120] 120,32 unequal: No Solution Exploring Operation: 87*33=2871, Resulting Numbers: [2871] 2871,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 32:[34, 86], Operations: ['44-10=34', '87-1=86'] Exploring Operation: 86-34=52, Resulting Numbers: [52] 52,32 unequal: No Solution Exploring Operation: 34+86=120, Resulting Numbers: [120] 120,32 unequal: No Solution Exploring Operation: 34*86=2924, Resulting Numbers: [2924] 2924,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 32:[34, 87], Operations: ['44-10=34', '87/1=87'] Exploring Operation: 34*87=2958, Resulting Numbers: [2958] 2958,32 unequal: No Solution Exploring Operation: 34+87=121, Resulting Numbers: [121] 121,32 unequal: No Solution Exploring Operation: 87-34=53, Resulting Numbers: [53] 53,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 32:[34, 87], Operations: ['44-10=34', '1*87=87'] Exploring Operation: 34+87=121, Resulting Numbers: [121] 121,32 unequal: No Solution Exploring Operation: 34*87=2958, Resulting Numbers: [2958] 2958,32 unequal: No Solution Exploring Operation: 87-34=53, Resulting Numbers: [53] 53,32 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: 32:[44, 1, 77], Operations: ['87-10=77'] Exploring Operation: 44*1=44, Resulting Numbers: [77, 44] Generated Node #0,1,0: 32:[77, 44] Operation: 44*1=44 Exploring Operation: 77-44=33, Resulting Numbers: [1, 33] Generated Node #0,1,1: 32:[1, 33] Operation: 77-44=33 Exploring Operation: 44-1=43, Resulting Numbers: [77, 43] Generated Node #0,1,2: 32:[77, 43] Operation: 44-1=43 Exploring Operation: 44/1=44, Resulting Numbers: [77, 44] Generated Node #0,1,3: 32:[77, 44] Operation: 44/1=44 Exploring Operation: 77-1=76, Resulting Numbers: [44, 76] Generated Node #0,1,4: 32:[44, 76] Operation: 77-1=76 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[1, 33], Operations: ['87-10=77', '77-44=33'] Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[44, 10, 1, 87], Operations: [] Exploring Operation: 87-10=77, Resulting Numbers: [44, 1, 77] Generated Node #0,1: 32:[44, 1, 77] Operation: 87-10=77 Moving to Node #0,1 Current State: 32:[44, 1, 77], Operations: ['87-10=77'] Exploring Operation: 77-44=33, Resulting Numbers: [1, 33] Generated Node #0,1,1: 32:[1, 33] Operation: 77-44=33 Moving to Node #0,1,1 Current State: 32:[1, 33], Operations: ['87-10=77', '77-44=33'] Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
mult_heuristic
[ 18, 13, 5, 35 ]
20
[ "18+13=31", "35-31=4", "5*4=20" ]
Current State: 20:[18, 13, 5, 35], Operations: [] Exploring Operation: 18+13=31, Resulting Numbers: [5, 35, 31] Generated Node #2: [5, 35, 31] from Operation: 18+13=31 Current State: 20:[5, 35, 31], Operations: ['18+13=31'] Exploring Operation: 35-31=4, Resulting Numbers: [5, 4] Generated Node #3: [5, 4] from Operation: 35-31=4 Current State: 20:[5, 4], Operations: ['18+13=31', '35-31=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[18, 13, 5, 35], Operations: [] Exploring Operation: 35/5=7, Resulting Numbers: [18, 13, 7] Generated Node #0,0: 20:[18, 13, 7] Operation: 35/5=7 Exploring Operation: 35-5=30, Resulting Numbers: [18, 13, 30] Generated Node #0,1: 20:[18, 13, 30] Operation: 35-5=30 Exploring Operation: 35-18=17, Resulting Numbers: [13, 5, 17] Generated Node #0,2: 20:[13, 5, 17] Operation: 35-18=17 Exploring Operation: 35-13=22, Resulting Numbers: [18, 5, 22] Generated Node #0,3: 20:[18, 5, 22] Operation: 35-13=22 Exploring Operation: 18-13=5, Resulting Numbers: [5, 35, 5] Generated Node #0,4: 20:[5, 35, 5] Operation: 18-13=5 Moving to Node #0,3 Current State: 20:[18, 5, 22], Operations: ['35-13=22'] Exploring Operation: 18-5=13, Resulting Numbers: [22, 13] Generated Node #0,3,0: 20:[22, 13] Operation: 18-5=13 Exploring Operation: 5+22=27, Resulting Numbers: [18, 27] Generated Node #0,3,1: 20:[18, 27] Operation: 5+22=27 Exploring Operation: 18+5=23, Resulting Numbers: [22, 23] Generated Node #0,3,2: 20:[22, 23] Operation: 18+5=23 Exploring Operation: 22-5=17, Resulting Numbers: [18, 17] Generated Node #0,3,3: 20:[18, 17] Operation: 22-5=17 Exploring Operation: 22-18=4, Resulting Numbers: [5, 4] Generated Node #0,3,4: 20:[5, 4] Operation: 22-18=4 Moving to Node #0,2 Current State: 20:[13, 5, 17], Operations: ['35-18=17'] Exploring Operation: 5+17=22, Resulting Numbers: [13, 22] Generated Node #0,2,0: 20:[13, 22] Operation: 5+17=22 Exploring Operation: 17-5=12, Resulting Numbers: [13, 12] Generated Node #0,2,1: 20:[13, 12] Operation: 17-5=12 Exploring Operation: 17-13=4, Resulting Numbers: [5, 4] Generated Node #0,2,2: 20:[5, 4] Operation: 17-13=4 Exploring Operation: 13-5=8, Resulting Numbers: [17, 8] Generated Node #0,2,3: 20:[17, 8] Operation: 13-5=8 Exploring Operation: 13+5=18, Resulting Numbers: [17, 18] Generated Node #0,2,4: 20:[17, 18] Operation: 13+5=18 Moving to Node #0,0 Current State: 20:[18, 13, 7], Operations: ['35/5=7'] Exploring Operation: 13-7=6, Resulting Numbers: [18, 6] Generated Node #0,0,0: 20:[18, 6] Operation: 13-7=6 Exploring Operation: 18+7=25, Resulting Numbers: [13, 25] Generated Node #0,0,1: 20:[13, 25] Operation: 18+7=25 Exploring Operation: 13+7=20, Resulting Numbers: [18, 20] Generated Node #0,0,2: 20:[18, 20] Operation: 13+7=20 Exploring Operation: 18-7=11, Resulting Numbers: [13, 11] Generated Node #0,0,3: 20:[13, 11] Operation: 18-7=11 Exploring Operation: 18-13=5, Resulting Numbers: [7, 5] Generated Node #0,0,4: 20:[7, 5] Operation: 18-13=5 Moving to Node #0,1 Current State: 20:[18, 13, 30], Operations: ['35-5=30'] Exploring Operation: 30-13=17, Resulting Numbers: [18, 17] Generated Node #0,1,0: 20:[18, 17] Operation: 30-13=17 Exploring Operation: 30-18=12, Resulting Numbers: [13, 12] Generated Node #0,1,1: 20:[13, 12] Operation: 30-18=12 Exploring Operation: 18-13=5, Resulting Numbers: [30, 5] Generated Node #0,1,2: 20:[30, 5] Operation: 18-13=5 Exploring Operation: 18+13=31, Resulting Numbers: [30, 31] Generated Node #0,1,3: 20:[30, 31] Operation: 18+13=31 Exploring Operation: 13+30=43, Resulting Numbers: [18, 43] Generated Node #0,1,4: 20:[18, 43] Operation: 13+30=43 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 20:[18, 17], Operations: ['35-5=30', '30-13=17'] Exploring Operation: 18*17=306, Resulting Numbers: [306] 306,20 unequal: No Solution Exploring Operation: 18+17=35, Resulting Numbers: [35] 35,20 unequal: No Solution Exploring Operation: 18-17=1, Resulting Numbers: [1] 1,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[13, 12], Operations: ['35-5=30', '30-18=12'] Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,20 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 20:[30, 5], Operations: ['35-5=30', '18-13=5'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,20 unequal: No Solution Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,20 unequal: No Solution Exploring Operation: 30*5=150, Resulting Numbers: [150] 150,20 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 20:[30, 31], Operations: ['35-5=30', '18+13=31'] Exploring Operation: 30*31=930, Resulting Numbers: [930] 930,20 unequal: No Solution Exploring Operation: 30+31=61, Resulting Numbers: [61] 61,20 unequal: No Solution Exploring Operation: 31-30=1, Resulting Numbers: [1] 1,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 20:[18, 43], Operations: ['35-5=30', '13+30=43'] Exploring Operation: 18*43=774, Resulting Numbers: [774] 774,20 unequal: No Solution Exploring Operation: 18+43=61, Resulting Numbers: [61] 61,20 unequal: No Solution Exploring Operation: 43-18=25, Resulting Numbers: [25] 25,20 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: 20:[5, 35, 5], Operations: ['18-13=5'] Exploring Operation: 35/5=7, Resulting Numbers: [5, 7] Generated Node #0,4,0: 20:[5, 7] Operation: 35/5=7 Exploring Operation: 35/5=7, Resulting Numbers: [5, 7] Generated Node #0,4,1: 20:[5, 7] Operation: 35/5=7 Exploring Operation: 5+5=10, Resulting Numbers: [35, 10] Generated Node #0,4,2: 20:[35, 10] Operation: 5+5=10 Exploring Operation: 35-5=30, Resulting Numbers: [5, 30] Generated Node #0,4,3: 20:[5, 30] Operation: 35-5=30 Exploring Operation: 35-5=30, Resulting Numbers: [5, 30] Generated Node #0,4,4: 20:[5, 30] Operation: 35-5=30 Moving to Node #0,3,4 Current State: 20:[5, 4], Operations: ['35-13=22', '22-18=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[18, 13, 5, 35], Operations: [] Exploring Operation: 35-13=22, Resulting Numbers: [18, 5, 22] Generated Node #0,3: 20:[18, 5, 22] Operation: 35-13=22 Moving to Node #0,3 Current State: 20:[18, 5, 22], Operations: ['35-13=22'] Exploring Operation: 22-18=4, Resulting Numbers: [5, 4] Generated Node #0,3,4: 20:[5, 4] Operation: 22-18=4 Moving to Node #0,3,4 Current State: 20:[5, 4], Operations: ['35-13=22', '22-18=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.955729
hs_5
mult_heuristic
[ 32, 44, 4, 7 ]
11
[ "32-4=28", "44*7=308", "308/28=11" ]
Current State: 11:[32, 44, 4, 7], Operations: [] Exploring Operation: 32-4=28, Resulting Numbers: [44, 7, 28] Generated Node #2: [44, 7, 28] from Operation: 32-4=28 Current State: 11:[44, 7, 28], Operations: ['32-4=28'] Exploring Operation: 44*7=308, Resulting Numbers: [28, 308] Generated Node #3: [28, 308] from Operation: 44*7=308 Current State: 11:[28, 308], Operations: ['32-4=28', '44*7=308'] Exploring Operation: 308/28=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[32, 44, 4, 7], Operations: [] Exploring Operation: 44/4=11, Resulting Numbers: [32, 7, 11] Generated Node #0,0: 11:[32, 7, 11] Operation: 44/4=11 Exploring Operation: 32/4=8, Resulting Numbers: [44, 7, 8] Generated Node #0,1: 11:[44, 7, 8] Operation: 32/4=8 Exploring Operation: 32-4=28, Resulting Numbers: [44, 7, 28] Generated Node #0,2: 11:[44, 7, 28] Operation: 32-4=28 Exploring Operation: 44-32=12, Resulting Numbers: [4, 7, 12] Generated Node #0,3: 11:[4, 7, 12] Operation: 44-32=12 Moving to Node #0,3 Current State: 11:[4, 7, 12], Operations: ['44-32=12'] Exploring Operation: 12-4=8, Resulting Numbers: [7, 8] Generated Node #0,3,0: 11:[7, 8] Operation: 12-4=8 Exploring Operation: 7-4=3, Resulting Numbers: [12, 3] Generated Node #0,3,1: 11:[12, 3] Operation: 7-4=3 Exploring Operation: 4+7=11, Resulting Numbers: [12, 11] Generated Node #0,3,2: 11:[12, 11] Operation: 4+7=11 Exploring Operation: 4+12=16, Resulting Numbers: [7, 16] Generated Node #0,3,3: 11:[7, 16] Operation: 4+12=16 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 11:[12, 11], Operations: ['44-32=12', '4+7=11'] Exploring Operation: 12*11=132, Resulting Numbers: [132] 132,11 unequal: No Solution Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 11:[7, 8], Operations: ['44-32=12', '12-4=8'] Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,11 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,11 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 11:[12, 3], Operations: ['44-32=12', '7-4=3'] Exploring Operation: 12*3=36, Resulting Numbers: [36] 36,11 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,11 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 11:[7, 16], Operations: ['44-32=12', '4+12=16'] Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,11 unequal: No Solution Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 7*16=112, Resulting Numbers: [112] 112,11 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: 11:[32, 7, 11], Operations: ['44/4=11'] Exploring Operation: 32-7=25, Resulting Numbers: [11, 25] Generated Node #0,0,0: 11:[11, 25] Operation: 32-7=25 Exploring Operation: 7+11=18, Resulting Numbers: [32, 18] Generated Node #0,0,1: 11:[32, 18] Operation: 7+11=18 Exploring Operation: 32-11=21, Resulting Numbers: [7, 21] Generated Node #0,0,2: 11:[7, 21] Operation: 32-11=21 Exploring Operation: 32+7=39, Resulting Numbers: [11, 39] Generated Node #0,0,3: 11:[11, 39] Operation: 32+7=39 Moving to Node #0,1 Current State: 11:[44, 7, 8], Operations: ['32/4=8'] Exploring Operation: 7+8=15, Resulting Numbers: [44, 15] Generated Node #0,1,0: 11:[44, 15] Operation: 7+8=15 Exploring Operation: 44+7=51, Resulting Numbers: [8, 51] Generated Node #0,1,1: 11:[8, 51] Operation: 44+7=51 Exploring Operation: 44-8=36, Resulting Numbers: [7, 36] Generated Node #0,1,2: 11:[7, 36] Operation: 44-8=36 Exploring Operation: 44-7=37, Resulting Numbers: [8, 37] Generated Node #0,1,3: 11:[8, 37] Operation: 44-7=37 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 11:[7, 36], Operations: ['32/4=8', '44-8=36'] Exploring Operation: 7+36=43, Resulting Numbers: [43] 43,11 unequal: No Solution Exploring Operation: 7*36=252, Resulting Numbers: [252] 252,11 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 11:[8, 37], Operations: ['32/4=8', '44-7=37'] Exploring Operation: 8*37=296, Resulting Numbers: [296] 296,11 unequal: No Solution Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,11 unequal: No Solution Exploring Operation: 8+37=45, Resulting Numbers: [45] 45,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 11:[44, 15], Operations: ['32/4=8', '7+8=15'] Exploring Operation: 44*15=660, Resulting Numbers: [660] 660,11 unequal: No Solution Exploring Operation: 44+15=59, Resulting Numbers: [59] 59,11 unequal: No Solution Exploring Operation: 44-15=29, Resulting Numbers: [29] 29,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 11:[8, 51], Operations: ['32/4=8', '44+7=51'] Exploring Operation: 8+51=59, Resulting Numbers: [59] 59,11 unequal: No Solution Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,11 unequal: No Solution Exploring Operation: 8*51=408, Resulting Numbers: [408] 408,11 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: 11:[44, 7, 28], Operations: ['32-4=28'] Exploring Operation: 28/7=4, Resulting Numbers: [44, 4] Generated Node #0,2,0: 11:[44, 4] Operation: 28/7=4 Exploring Operation: 44-28=16, Resulting Numbers: [7, 16] Generated Node #0,2,1: 11:[7, 16] Operation: 44-28=16 Exploring Operation: 44-7=37, Resulting Numbers: [28, 37] Generated Node #0,2,2: 11:[28, 37] Operation: 44-7=37 Exploring Operation: 28-7=21, Resulting Numbers: [44, 21] Generated Node #0,2,3: 11:[44, 21] Operation: 28-7=21 Moving to Node #0,2,1 Current State: 11:[7, 16], Operations: ['32-4=28', '44-28=16'] Exploring Operation: 7*16=112, Resulting Numbers: [112] 112,11 unequal: No Solution Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,11 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,11 unequal: No Solution Moving to Node #0,0,0 Current State: 11:[11, 25], Operations: ['44/4=11', '32-7=25'] Exploring Operation: 11*25=275, Resulting Numbers: [275] 275,11 unequal: No Solution Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,11 unequal: No Solution Exploring Operation: 11+25=36, Resulting Numbers: [36] 36,11 unequal: No Solution Moving to Node #0,0,2 Current State: 11:[7, 21], Operations: ['44/4=11', '32-11=21'] Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 7*21=147, Resulting Numbers: [147] 147,11 unequal: No Solution Exploring Operation: 7+21=28, Resulting Numbers: [28] 28,11 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,11 unequal: No Solution Moving to Node #0,0,1 Current State: 11:[32, 18], Operations: ['44/4=11', '7+11=18'] Exploring Operation: 32*18=576, Resulting Numbers: [576] 576,11 unequal: No Solution Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,11 unequal: No Solution Exploring Operation: 32+18=50, Resulting Numbers: [50] 50,11 unequal: No Solution Moving to Node #0,0,3 Current State: 11:[11, 39], Operations: ['44/4=11', '32+7=39'] Exploring Operation: 11+39=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 11*39=429, Resulting Numbers: [429] 429,11 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,11 unequal: No Solution Moving to Node #0,2,0 Current State: 11:[44, 4], Operations: ['32-4=28', '28/7=4'] Exploring Operation: 44+4=48, Resulting Numbers: [48] 48,11 unequal: No Solution Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,11 unequal: No Solution Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[32, 44, 4, 7], Operations: [] Exploring Operation: 32-4=28, Resulting Numbers: [44, 7, 28] Generated Node #0,2: 11:[44, 7, 28] Operation: 32-4=28 Moving to Node #0,2 Current State: 11:[44, 7, 28], Operations: ['32-4=28'] Exploring Operation: 28/7=4, Resulting Numbers: [44, 4] Generated Node #0,2,0: 11:[44, 4] Operation: 28/7=4 Moving to Node #0,2,0 Current State: 11:[44, 4], Operations: ['32-4=28', '28/7=4'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
0.940972
hs_4
mult_heuristic
[ 13, 83, 83, 24 ]
37
[ "13+83=96", "83-24=59", "96-59=37" ]
Current State: 37:[13, 83, 83, 24], Operations: [] Exploring Operation: 13+83=96, Resulting Numbers: [24, 96] Generated Node #2: [24, 96] from Operation: 13+83=96 Current State: 37:[24, 96], Operations: ['13+83=96'] Exploring Operation: 83-24=59, Resulting Numbers: [96, 59] Generated Node #3: [96, 59] from Operation: 83-24=59 Current State: 37:[96, 59], Operations: ['13+83=96', '83-24=59'] Exploring Operation: 96-59=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[13, 83, 83, 24], Operations: [] Exploring Operation: 83-13=70, Resulting Numbers: [83, 24, 70] Generated Node #0,0: 37:[83, 24, 70] Operation: 83-13=70 Exploring Operation: 83-83=0, Resulting Numbers: [13, 24, 0] Generated Node #0,1: 37:[13, 24, 0] Operation: 83-83=0 Exploring Operation: 83/83=1, Resulting Numbers: [13, 24, 1] Generated Node #0,2: 37:[13, 24, 1] Operation: 83/83=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[13, 24, 1], Operations: ['83/83=1'] Exploring Operation: 24+1=25, Resulting Numbers: [13, 25] Generated Node #0,2,0: 37:[13, 25] Operation: 24+1=25 Exploring Operation: 13+24=37, Resulting Numbers: [1, 37] Generated Node #0,2,1: 37:[1, 37] Operation: 13+24=37 Exploring Operation: 13+1=14, Resulting Numbers: [24, 14] Generated Node #0,2,2: 37:[24, 14] Operation: 13+1=14 Moving to Node #0,2,0 Current State: 37:[13, 25], Operations: ['83/83=1', '24+1=25'] Exploring Operation: 13*25=325, Resulting Numbers: [325] 325,37 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,37 unequal: No Solution Exploring Operation: 13+25=38, Resulting Numbers: [38] 38,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[1, 37], Operations: ['83/83=1', '13+24=37'] Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[13, 83, 83, 24], Operations: [] Exploring Operation: 83/83=1, Resulting Numbers: [13, 24, 1] Generated Node #0,2: 37:[13, 24, 1] Operation: 83/83=1 Moving to Node #0,2 Current State: 37:[13, 24, 1], Operations: ['83/83=1'] Exploring Operation: 13+24=37, Resulting Numbers: [1, 37] Generated Node #0,2,1: 37:[1, 37] Operation: 13+24=37 Moving to Node #0,2,1 Current State: 37:[1, 37], Operations: ['83/83=1', '13+24=37'] Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 80, 14, 28, 79 ]
42
[ "80-79=1", "14+28=42", "1*42=42" ]
Current State: 42:[80, 14, 28, 79], Operations: [] Exploring Operation: 80-79=1, Resulting Numbers: [14, 28, 1] Generated Node #2: [14, 28, 1] from Operation: 80-79=1 Current State: 42:[14, 28, 1], Operations: ['80-79=1'] Exploring Operation: 14+28=42, Resulting Numbers: [1, 42] Generated Node #3: [1, 42] from Operation: 14+28=42 Current State: 42:[1, 42], Operations: ['80-79=1', '14+28=42'] Exploring Operation: 1*42=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[80, 14, 28, 79], Operations: [] Exploring Operation: 80-79=1, Resulting Numbers: [14, 28, 1] Generated Node #0,0: 42:[14, 28, 1] Operation: 80-79=1 Exploring Operation: 80-28=52, Resulting Numbers: [14, 79, 52] Generated Node #0,1: 42:[14, 79, 52] Operation: 80-28=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[14, 28, 1], Operations: ['80-79=1'] Exploring Operation: 14+28=42, Resulting Numbers: [1, 42] Generated Node #0,0,0: 42:[1, 42] Operation: 14+28=42 Exploring Operation: 28-14=14, Resulting Numbers: [1, 14] Generated Node #0,0,1: 42:[1, 14] Operation: 28-14=14 Moving to Node #0,0,0 Current State: 42:[1, 42], Operations: ['80-79=1', '14+28=42'] Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[80, 14, 28, 79], Operations: [] Exploring Operation: 80-79=1, Resulting Numbers: [14, 28, 1] Generated Node #0,0: 42:[14, 28, 1] Operation: 80-79=1 Moving to Node #0,0 Current State: 42:[14, 28, 1], Operations: ['80-79=1'] Exploring Operation: 14+28=42, Resulting Numbers: [1, 42] Generated Node #0,0,0: 42:[1, 42] Operation: 14+28=42 Moving to Node #0,0,0 Current State: 42:[1, 42], Operations: ['80-79=1', '14+28=42'] Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 99, 4, 7, 29 ]
12
[ "7-4=3", "29*3=87", "99-87=12" ]
Current State: 12:[99, 4, 7, 29], Operations: [] Exploring Operation: 7-4=3, Resulting Numbers: [99, 29, 3] Generated Node #2: [99, 29, 3] from Operation: 7-4=3 Current State: 12:[99, 29, 3], Operations: ['7-4=3'] Exploring Operation: 29*3=87, Resulting Numbers: [99, 87] Generated Node #3: [99, 87] from Operation: 29*3=87 Current State: 12:[99, 87], Operations: ['7-4=3', '29*3=87'] Exploring Operation: 99-87=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[99, 4, 7, 29], Operations: [] Exploring Operation: 29-7=22, Resulting Numbers: [99, 4, 22] Generated Node #0,0: 12:[99, 4, 22] Operation: 29-7=22 Exploring Operation: 99-7=92, Resulting Numbers: [4, 29, 92] Generated Node #0,1: 12:[4, 29, 92] Operation: 99-7=92 Exploring Operation: 99-29=70, Resulting Numbers: [4, 7, 70] Generated Node #0,2: 12:[4, 7, 70] Operation: 99-29=70 Exploring Operation: 99-4=95, Resulting Numbers: [7, 29, 95] Generated Node #0,3: 12:[7, 29, 95] Operation: 99-4=95 Moving to Node #0,2 Current State: 12:[4, 7, 70], Operations: ['99-29=70'] Exploring Operation: 7-4=3, Resulting Numbers: [70, 3] Generated Node #0,2,0: 12:[70, 3] Operation: 7-4=3 Exploring Operation: 70-4=66, Resulting Numbers: [7, 66] Generated Node #0,2,1: 12:[7, 66] Operation: 70-4=66 Exploring Operation: 70/7=10, Resulting Numbers: [4, 10] Generated Node #0,2,2: 12:[4, 10] Operation: 70/7=10 Exploring Operation: 70-7=63, Resulting Numbers: [4, 63] Generated Node #0,2,3: 12:[4, 63] Operation: 70-7=63 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 12:[4, 10], Operations: ['99-29=70', '70/7=10'] Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,12 unequal: No Solution Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,12 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,12 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 #0,2,3 Current State: 12:[4, 63], Operations: ['99-29=70', '70-7=63'] Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,12 unequal: No Solution Exploring Operation: 4+63=67, Resulting Numbers: [67] 67,12 unequal: No Solution Exploring Operation: 4*63=252, Resulting Numbers: [252] 252,12 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 #0,2,1 Current State: 12:[7, 66], Operations: ['99-29=70', '70-4=66'] Exploring Operation: 7+66=73, Resulting Numbers: [73] 73,12 unequal: No Solution Exploring Operation: 7*66=462, Resulting Numbers: [462] 462,12 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,12 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 #0,2,0 Current State: 12:[70, 3], Operations: ['99-29=70', '7-4=3'] Exploring Operation: 70-3=67, Resulting Numbers: [67] 67,12 unequal: No Solution Exploring Operation: 70*3=210, Resulting Numbers: [210] 210,12 unequal: No Solution Exploring Operation: 70+3=73, Resulting Numbers: [73] 73,12 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: 12:[4, 29, 92], Operations: ['99-7=92'] Exploring Operation: 29-4=25, Resulting Numbers: [92, 25] Generated Node #0,1,0: 12:[92, 25] Operation: 29-4=25 Exploring Operation: 92/4=23, Resulting Numbers: [29, 23] Generated Node #0,1,1: 12:[29, 23] Operation: 92/4=23 Exploring Operation: 92-4=88, Resulting Numbers: [29, 88] Generated Node #0,1,2: 12:[29, 88] Operation: 92-4=88 Exploring Operation: 92-29=63, Resulting Numbers: [4, 63] Generated Node #0,1,3: 12:[4, 63] Operation: 92-29=63 Moving to Node #0,0 Current State: 12:[99, 4, 22], Operations: ['29-7=22'] Exploring Operation: 99-22=77, Resulting Numbers: [4, 77] Generated Node #0,0,0: 12:[4, 77] Operation: 99-22=77 Exploring Operation: 22-4=18, Resulting Numbers: [99, 18] Generated Node #0,0,1: 12:[99, 18] Operation: 22-4=18 Exploring Operation: 99-4=95, Resulting Numbers: [22, 95] Generated Node #0,0,2: 12:[22, 95] Operation: 99-4=95 Exploring Operation: 99+4=103, Resulting Numbers: [22, 103] Generated Node #0,0,3: 12:[22, 103] Operation: 99+4=103 Moving to Node #0,3 Current State: 12:[7, 29, 95], Operations: ['99-4=95'] Exploring Operation: 95-7=88, Resulting Numbers: [29, 88] Generated Node #0,3,0: 12:[29, 88] Operation: 95-7=88 Exploring Operation: 95-29=66, Resulting Numbers: [7, 66] Generated Node #0,3,1: 12:[7, 66] Operation: 95-29=66 Exploring Operation: 7+29=36, Resulting Numbers: [95, 36] Generated Node #0,3,2: 12:[95, 36] Operation: 7+29=36 Exploring Operation: 29-7=22, Resulting Numbers: [95, 22] Generated Node #0,3,3: 12:[95, 22] Operation: 29-7=22 Moving to Node #0,1,1 Current State: 12:[29, 23], Operations: ['99-7=92', '92/4=23'] Exploring Operation: 29*23=667, Resulting Numbers: [667] 667,12 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,12 unequal: No Solution Exploring Operation: 29+23=52, Resulting Numbers: [52] 52,12 unequal: No Solution Moving to Node #0,1,3 Current State: 12:[4, 63], Operations: ['99-7=92', '92-29=63'] Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,12 unequal: No Solution Exploring Operation: 4+63=67, Resulting Numbers: [67] 67,12 unequal: No Solution Exploring Operation: 4*63=252, Resulting Numbers: [252] 252,12 unequal: No Solution Moving to Node #0,3,1 Current State: 12:[7, 66], Operations: ['99-4=95', '95-29=66'] Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,12 unequal: No Solution Exploring Operation: 7*66=462, Resulting Numbers: [462] 462,12 unequal: No Solution Exploring Operation: 7+66=73, Resulting Numbers: [73] 73,12 unequal: No Solution Moving to Node #0,0,0 Current State: 12:[4, 77], Operations: ['29-7=22', '99-22=77'] Exploring Operation: 4*77=308, Resulting Numbers: [308] 308,12 unequal: No Solution Exploring Operation: 4+77=81, Resulting Numbers: [81] 81,12 unequal: No Solution Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,12 unequal: No Solution Moving to Node #0,1,0 Current State: 12:[92, 25], Operations: ['99-7=92', '29-4=25'] Exploring Operation: 92+25=117, Resulting Numbers: [117] 117,12 unequal: No Solution Exploring Operation: 92-25=67, Resulting Numbers: [67] 67,12 unequal: No Solution Exploring Operation: 92*25=2300, Resulting Numbers: [2300] 2300,12 unequal: No Solution Moving to Node #0,0,2 Current State: 12:[22, 95], Operations: ['29-7=22', '99-4=95'] Exploring Operation: 22*95=2090, Resulting Numbers: [2090] 2090,12 unequal: No Solution Exploring Operation: 95-22=73, Resulting Numbers: [73] 73,12 unequal: No Solution Exploring Operation: 22+95=117, Resulting Numbers: [117] 117,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[99, 18], Operations: ['29-7=22', '22-4=18'] Exploring Operation: 99-18=81, Resulting Numbers: [81] 81,12 unequal: No Solution Exploring Operation: 99*18=1782, Resulting Numbers: [1782] 1782,12 unequal: No Solution Exploring Operation: 99+18=117, Resulting Numbers: [117] 117,12 unequal: No Solution Moving to Node #0,3,0 Current State: 12:[29, 88], Operations: ['99-4=95', '95-7=88'] Exploring Operation: 29+88=117, Resulting Numbers: [117] 117,12 unequal: No Solution Exploring Operation: 29*88=2552, Resulting Numbers: [2552] 2552,12 unequal: No Solution Exploring Operation: 88-29=59, Resulting Numbers: [59] 59,12 unequal: No Solution Moving to Node #0,3,3 Current State: 12:[95, 22], Operations: ['99-4=95', '29-7=22'] Exploring Operation: 95*22=2090, Resulting Numbers: [2090] 2090,12 unequal: No Solution Exploring Operation: 95-22=73, Resulting Numbers: [73] 73,12 unequal: No Solution Exploring Operation: 95+22=117, Resulting Numbers: [117] 117,12 unequal: No Solution Moving to Node #0,1,2 Current State: 12:[29, 88], Operations: ['99-7=92', '92-4=88'] Exploring Operation: 88-29=59, Resulting Numbers: [59] 59,12 unequal: No Solution Exploring Operation: 29*88=2552, Resulting Numbers: [2552] 2552,12 unequal: No Solution Exploring Operation: 29+88=117, Resulting Numbers: [117] 117,12 unequal: No Solution Moving to Node #0,0,3 Current State: 12:[22, 103], Operations: ['29-7=22', '99+4=103'] Exploring Operation: 22+103=125, Resulting Numbers: [125] 125,12 unequal: No Solution Exploring Operation: 103-22=81, Resulting Numbers: [81] 81,12 unequal: No Solution Exploring Operation: 22*103=2266, Resulting Numbers: [2266] 2266,12 unequal: No Solution Moving to Node #0,3,2 Current State: 12:[95, 36], Operations: ['99-4=95', '7+29=36'] Exploring Operation: 95-36=59, Resulting Numbers: [59] 59,12 unequal: No Solution Exploring Operation: 95+36=131, Resulting Numbers: [131] 131,12 unequal: No Solution Exploring Operation: 95*36=3420, Resulting Numbers: [3420] 3420,12 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 11, 51, 90, 6 ]
30
[ "11+6=17", "51/17=3", "90/3=30" ]
Current State: 30:[11, 51, 90, 6], Operations: [] Exploring Operation: 11+6=17, Resulting Numbers: [51, 90, 17] Generated Node #2: [51, 90, 17] from Operation: 11+6=17 Current State: 30:[51, 90, 17], Operations: ['11+6=17'] Exploring Operation: 51/17=3, Resulting Numbers: [90, 3] Generated Node #3: [90, 3] from Operation: 51/17=3 Current State: 30:[90, 3], Operations: ['11+6=17', '51/17=3'] Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[11, 51, 90, 6], Operations: [] Exploring Operation: 90-51=39, Resulting Numbers: [11, 6, 39] Generated Node #0,0: 30:[11, 6, 39] Operation: 90-51=39 Exploring Operation: 90/6=15, Resulting Numbers: [11, 51, 15] Generated Node #0,1: 30:[11, 51, 15] Operation: 90/6=15 Moving to Node #0,0 Current State: 30:[11, 6, 39], Operations: ['90-51=39'] Exploring Operation: 39-11=28, Resulting Numbers: [6, 28] Generated Node #0,0,0: 30:[6, 28] Operation: 39-11=28 Exploring Operation: 39-6=33, Resulting Numbers: [11, 33] Generated Node #0,0,1: 30:[11, 33] Operation: 39-6=33 Moving to Node #0,1 Current State: 30:[11, 51, 15], Operations: ['90/6=15'] Exploring Operation: 51-11=40, Resulting Numbers: [15, 40] Generated Node #0,1,0: 30:[15, 40] Operation: 51-11=40 Exploring Operation: 51-15=36, Resulting Numbers: [11, 36] Generated Node #0,1,1: 30:[11, 36] Operation: 51-15=36 Moving to Node #0,0,0 Current State: 30:[6, 28], Operations: ['90-51=39', '39-11=28'] Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,30 unequal: No Solution Exploring Operation: 6+28=34, Resulting Numbers: [34] 34,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[11, 33], Operations: ['90-51=39', '39-6=33'] Exploring Operation: 33-11=22, Resulting Numbers: [22] 22,30 unequal: No Solution Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[11, 36], Operations: ['90/6=15', '51-15=36'] Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,30 unequal: No Solution Exploring Operation: 11+36=47, Resulting Numbers: [47] 47,30 unequal: No Solution Moving to Node #0,1,0 Current State: 30:[15, 40], Operations: ['90/6=15', '51-11=40'] Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,30 unequal: No Solution Exploring Operation: 15+40=55, Resulting Numbers: [55] 55,30 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 5, 4, 1, 51 ]
64
[ "5*51=255", "1+255=256", "256/4=64" ]
Current State: 64:[5, 4, 1, 51], Operations: [] Exploring Operation: 5*51=255, Resulting Numbers: [4, 1, 255] Generated Node #2: [4, 1, 255] from Operation: 5*51=255 Current State: 64:[4, 1, 255], Operations: ['5*51=255'] Exploring Operation: 1+255=256, Resulting Numbers: [4, 256] Generated Node #3: [4, 256] from Operation: 1+255=256 Current State: 64:[4, 256], Operations: ['5*51=255', '1+255=256'] Exploring Operation: 256/4=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[5, 4, 1, 51], Operations: [] Exploring Operation: 4+51=55, Resulting Numbers: [5, 1, 55] Generated Node #0,0: 64:[5, 1, 55] Operation: 4+51=55 Exploring Operation: 5*1=5, Resulting Numbers: [4, 51, 5] Generated Node #0,1: 64:[4, 51, 5] Operation: 5*1=5 Exploring Operation: 1+51=52, Resulting Numbers: [5, 4, 52] Generated Node #0,2: 64:[5, 4, 52] Operation: 1+51=52 Exploring Operation: 5-1=4, Resulting Numbers: [4, 51, 4] Generated Node #0,3: 64:[4, 51, 4] Operation: 5-1=4 Exploring Operation: 5+51=56, Resulting Numbers: [4, 1, 56] Generated Node #0,4: 64:[4, 1, 56] Operation: 5+51=56 Moving to Node #0,4 Current State: 64:[4, 1, 56], Operations: ['5+51=56'] Exploring Operation: 1+56=57, Resulting Numbers: [4, 57] Generated Node #0,4,0: 64:[4, 57] Operation: 1+56=57 Exploring Operation: 4+56=60, Resulting Numbers: [1, 60] Generated Node #0,4,1: 64:[1, 60] Operation: 4+56=60 Exploring Operation: 56/4=14, Resulting Numbers: [1, 14] Generated Node #0,4,2: 64:[1, 14] Operation: 56/4=14 Exploring Operation: 4/1=4, Resulting Numbers: [56, 4] Generated Node #0,4,3: 64:[56, 4] Operation: 4/1=4 Exploring Operation: 4*1=4, Resulting Numbers: [56, 4] Generated Node #0,4,4: 64:[56, 4] Operation: 4*1=4 Moving to Node #0,0 Current State: 64:[5, 1, 55], Operations: ['4+51=55'] Exploring Operation: 5+55=60, Resulting Numbers: [1, 60] Generated Node #0,0,0: 64:[1, 60] Operation: 5+55=60 Exploring Operation: 5*1=5, Resulting Numbers: [55, 5] Generated Node #0,0,1: 64:[55, 5] Operation: 5*1=5 Exploring Operation: 55/5=11, Resulting Numbers: [1, 11] Generated Node #0,0,2: 64:[1, 11] Operation: 55/5=11 Exploring Operation: 5-1=4, Resulting Numbers: [55, 4] Generated Node #0,0,3: 64:[55, 4] Operation: 5-1=4 Exploring Operation: 1+55=56, Resulting Numbers: [5, 56] Generated Node #0,0,4: 64:[5, 56] Operation: 1+55=56 Moving to Node #0,2 Current State: 64:[5, 4, 52], Operations: ['1+51=52'] Exploring Operation: 5-4=1, Resulting Numbers: [52, 1] Generated Node #0,2,0: 64:[52, 1] Operation: 5-4=1 Exploring Operation: 5+52=57, Resulting Numbers: [4, 57] Generated Node #0,2,1: 64:[4, 57] Operation: 5+52=57 Exploring Operation: 4+52=56, Resulting Numbers: [5, 56] Generated Node #0,2,2: 64:[5, 56] Operation: 4+52=56 Exploring Operation: 5+4=9, Resulting Numbers: [52, 9] Generated Node #0,2,3: 64:[52, 9] Operation: 5+4=9 Exploring Operation: 52/4=13, Resulting Numbers: [5, 13] Generated Node #0,2,4: 64:[5, 13] Operation: 52/4=13 Moving to Node #0,3 Current State: 64:[4, 51, 4], Operations: ['5-1=4'] Exploring Operation: 51+4=55, Resulting Numbers: [4, 55] Generated Node #0,3,0: 64:[4, 55] Operation: 51+4=55 Exploring Operation: 4/4=1, Resulting Numbers: [51, 1] Generated Node #0,3,1: 64:[51, 1] Operation: 4/4=1 Exploring Operation: 4+51=55, Resulting Numbers: [4, 55] Generated Node #0,3,2: 64:[4, 55] Operation: 4+51=55 Exploring Operation: 4+4=8, Resulting Numbers: [51, 8] Generated Node #0,3,3: 64:[51, 8] Operation: 4+4=8 Exploring Operation: 4*4=16, Resulting Numbers: [51, 16] Generated Node #0,3,4: 64:[51, 16] Operation: 4*4=16 Moving to Node #0,1 Current State: 64:[4, 51, 5], Operations: ['5*1=5'] Exploring Operation: 4+51=55, Resulting Numbers: [5, 55] Generated Node #0,1,0: 64:[5, 55] Operation: 4+51=55 Exploring Operation: 51-5=46, Resulting Numbers: [4, 46] Generated Node #0,1,1: 64:[4, 46] Operation: 51-5=46 Exploring Operation: 5-4=1, Resulting Numbers: [51, 1] Generated Node #0,1,2: 64:[51, 1] Operation: 5-4=1 Exploring Operation: 4+5=9, Resulting Numbers: [51, 9] Generated Node #0,1,3: 64:[51, 9] Operation: 4+5=9 Exploring Operation: 51+5=56, Resulting Numbers: [4, 56] Generated Node #0,1,4: 64:[4, 56] Operation: 51+5=56 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 64:[4, 56], Operations: ['5*1=5', '51+5=56'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,64 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,64 unequal: No Solution Exploring Operation: 4+56=60, Resulting Numbers: [60] 60,64 unequal: No Solution Exploring Operation: 4*56=224, Resulting Numbers: [224] 224,64 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:[5, 55], Operations: ['5*1=5', '4+51=55'] Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,64 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,64 unequal: No Solution Exploring Operation: 5*55=275, Resulting Numbers: [275] 275,64 unequal: No Solution Exploring Operation: 5+55=60, Resulting Numbers: [60] 60,64 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 #0,1,1 Current State: 64:[4, 46], Operations: ['5*1=5', '51-5=46'] Exploring Operation: 4*46=184, Resulting Numbers: [184] 184,64 unequal: No Solution Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 4+46=50, Resulting Numbers: [50] 50,64 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:[51, 1], Operations: ['5*1=5', '5-4=1'] Exploring Operation: 51*1=51, Resulting Numbers: [51] 51,64 unequal: No Solution Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,64 unequal: No Solution Exploring Operation: 51+1=52, Resulting Numbers: [52] 52,64 unequal: No Solution Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,64 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 #0,1,3 Current State: 64:[51, 9], Operations: ['5*1=5', '4+5=9'] Exploring Operation: 51*9=459, Resulting Numbers: [459] 459,64 unequal: No Solution Exploring Operation: 51+9=60, Resulting Numbers: [60] 60,64 unequal: No Solution Exploring Operation: 51-9=42, Resulting Numbers: [42] 42,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,2 Current State: 64:[1, 14], Operations: ['5+51=56', '56/4=14'] Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,64 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,64 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,64 unequal: No Solution Exploring Operation: 1+14=15, Resulting Numbers: [15] 15,64 unequal: No Solution Moving to Node #0,0,2 Current State: 64:[1, 11], Operations: ['4+51=55', '55/5=11'] Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,64 unequal: No Solution Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,64 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,64 unequal: No Solution Exploring Operation: 1*11=11, Resulting Numbers: [11] 11,64 unequal: No Solution Moving to Node #0,2,4 Current State: 64:[5, 13], Operations: ['1+51=52', '52/4=13'] Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,64 unequal: No Solution Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,64 unequal: No Solution Moving to Node #0,0,0 Current State: 64:[1, 60], Operations: ['4+51=55', '5+55=60'] Exploring Operation: 1*60=60, Resulting Numbers: [60] 60,64 unequal: No Solution Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,64 unequal: No Solution Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,64 unequal: No Solution Exploring Operation: 1+60=61, Resulting Numbers: [61] 61,64 unequal: No Solution Moving to Node #0,4,1 Current State: 64:[1, 60], Operations: ['5+51=56', '4+56=60'] Exploring Operation: 1*60=60, Resulting Numbers: [60] 60,64 unequal: No Solution Exploring Operation: 1+60=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 60-1=59, Resulting Numbers: [59] 59,64 unequal: No Solution Exploring Operation: 60/1=60, Resulting Numbers: [60] 60,64 unequal: No Solution Moving to Node #0,4,0 Current State: 64:[4, 57], Operations: ['5+51=56', '1+56=57'] Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,64 unequal: No Solution Exploring Operation: 4+57=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 4*57=228, Resulting Numbers: [228] 228,64 unequal: No Solution Moving to Node #0,2,1 Current State: 64:[4, 57], Operations: ['1+51=52', '5+52=57'] Exploring Operation: 4*57=228, Resulting Numbers: [228] 228,64 unequal: No Solution Exploring Operation: 4+57=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,64 unequal: No Solution Moving to Node #0,4,4 Current State: 64:[56, 4], Operations: ['5+51=56', '4*1=4'] Exploring Operation: 56+4=60, Resulting Numbers: [60] 60,64 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,64 unequal: No Solution Exploring Operation: 56*4=224, Resulting Numbers: [224] 224,64 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,64 unequal: No Solution Moving to Node #0,4,3 Current State: 64:[56, 4], Operations: ['5+51=56', '4/1=4'] Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,64 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,64 unequal: No Solution Exploring Operation: 56*4=224, Resulting Numbers: [224] 224,64 unequal: No Solution Exploring Operation: 56+4=60, Resulting Numbers: [60] 60,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[5, 56], Operations: ['1+51=52', '4+52=56'] Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,64 unequal: No Solution Exploring Operation: 5*56=280, Resulting Numbers: [280] 280,64 unequal: No Solution Exploring Operation: 5+56=61, Resulting Numbers: [61] 61,64 unequal: No Solution Moving to Node #0,3,0 Current State: 64:[4, 55], Operations: ['5-1=4', '51+4=55'] Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,64 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,64 unequal: No Solution Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,64 unequal: No Solution Moving to Node #0,3,2 Current State: 64:[4, 55], Operations: ['5-1=4', '4+51=55'] Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,64 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,64 unequal: No Solution Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,64 unequal: No Solution Moving to Node #0,0,4 Current State: 64:[5, 56], Operations: ['4+51=55', '1+55=56'] Exploring Operation: 5*56=280, Resulting Numbers: [280] 280,64 unequal: No Solution Exploring Operation: 5+56=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,64 unequal: No Solution Moving to Node #0,0,3 Current State: 64:[55, 4], Operations: ['4+51=55', '5-1=4'] Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,64 unequal: No Solution Exploring Operation: 55+4=59, Resulting Numbers: [59] 59,64 unequal: No Solution Exploring Operation: 55*4=220, Resulting Numbers: [220] 220,64 unequal: No Solution Moving to Node #0,0,1 Current State: 64:[55, 5], Operations: ['4+51=55', '5*1=5'] Exploring Operation: 55*5=275, Resulting Numbers: [275] 275,64 unequal: No Solution Exploring Operation: 55+5=60, Resulting Numbers: [60] 60,64 unequal: No Solution Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,64 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,64 unequal: No Solution Moving to Node #0,2,3 Current State: 64:[52, 9], Operations: ['1+51=52', '5+4=9'] Exploring Operation: 52+9=61, Resulting Numbers: [61] 61,64 unequal: No Solution Exploring Operation: 52*9=468, Resulting Numbers: [468] 468,64 unequal: No Solution Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,64 unequal: No Solution Moving to Node #0,3,3 Current State: 64:[51, 8], Operations: ['5-1=4', '4+4=8'] Exploring Operation: 51+8=59, Resulting Numbers: [59] 59,64 unequal: No Solution Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,64 unequal: No Solution Exploring Operation: 51*8=408, Resulting Numbers: [408] 408,64 unequal: No Solution Moving to Node #0,2,0 Current State: 64:[52, 1], Operations: ['1+51=52', '5-4=1'] Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,64 unequal: No Solution Exploring Operation: 52*1=52, Resulting Numbers: [52] 52,64 unequal: No Solution Exploring Operation: 52+1=53, Resulting Numbers: [53] 53,64 unequal: No Solution Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,64 unequal: No Solution Moving to Node #0,3,4 Current State: 64:[51, 16], Operations: ['5-1=4', '4*4=16'] Exploring Operation: 51+16=67, Resulting Numbers: [67] 67,64 unequal: No Solution Exploring Operation: 51*16=816, Resulting Numbers: [816] 816,64 unequal: No Solution Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,64 unequal: No Solution Moving to Node #0,3,1 Current State: 64:[51, 1], Operations: ['5-1=4', '4/4=1'] Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,64 unequal: No Solution Exploring Operation: 51+1=52, Resulting Numbers: [52] 52,64 unequal: No Solution Exploring Operation: 51*1=51, Resulting Numbers: [51] 51,64 unequal: No Solution Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,64 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 12, 20, 46, 10 ]
86
[ "12-10=2", "20*2=40", "46+40=86" ]
Current State: 86:[12, 20, 46, 10], Operations: [] Exploring Operation: 12-10=2, Resulting Numbers: [20, 46, 2] Generated Node #2: [20, 46, 2] from Operation: 12-10=2 Current State: 86:[20, 46, 2], Operations: ['12-10=2'] Exploring Operation: 20*2=40, Resulting Numbers: [46, 40] Generated Node #3: [46, 40] from Operation: 20*2=40 Current State: 86:[46, 40], Operations: ['12-10=2', '20*2=40'] Exploring Operation: 46+40=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[12, 20, 46, 10], Operations: [] Exploring Operation: 20-12=8, Resulting Numbers: [46, 10, 8] Generated Node #0,0: 86:[46, 10, 8] Operation: 20-12=8 Exploring Operation: 20/10=2, Resulting Numbers: [12, 46, 2] Generated Node #0,1: 86:[12, 46, 2] Operation: 20/10=2 Moving to Node #0,1 Current State: 86:[12, 46, 2], Operations: ['20/10=2'] Exploring Operation: 46-12=34, Resulting Numbers: [2, 34] Generated Node #0,1,0: 86:[2, 34] Operation: 46-12=34 Exploring Operation: 12/2=6, Resulting Numbers: [46, 6] Generated Node #0,1,1: 86:[46, 6] Operation: 12/2=6 Moving to Node #0,0 Current State: 86:[46, 10, 8], Operations: ['20-12=8'] Exploring Operation: 10-8=2, Resulting Numbers: [46, 2] Generated Node #0,0,0: 86:[46, 2] Operation: 10-8=2 Exploring Operation: 10*8=80, Resulting Numbers: [46, 80] Generated Node #0,0,1: 86:[46, 80] Operation: 10*8=80 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[46, 2], Operations: ['20-12=8', '10-8=2'] Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,86 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,86 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:[46, 80], Operations: ['20-12=8', '10*8=80'] Exploring Operation: 80-46=34, Resulting Numbers: [34] 34,86 unequal: No Solution Exploring Operation: 46+80=126, Resulting Numbers: [126] 126,86 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: 86:[46, 6], Operations: ['20/10=2', '12/2=6'] Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,86 unequal: No Solution Exploring Operation: 46+6=52, Resulting Numbers: [52] 52,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[2, 34], Operations: ['20/10=2', '46-12=34'] Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,86 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,86 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 54, 6, 83, 78 ]
14
[ "54/6=9", "83-78=5", "9+5=14" ]
Current State: 14:[54, 6, 83, 78], Operations: [] Exploring Operation: 54/6=9, Resulting Numbers: [83, 78, 9] Generated Node #2: [83, 78, 9] from Operation: 54/6=9 Current State: 14:[83, 78, 9], Operations: ['54/6=9'] Exploring Operation: 83-78=5, Resulting Numbers: [9, 5] Generated Node #3: [9, 5] from Operation: 83-78=5 Current State: 14:[9, 5], Operations: ['54/6=9', '83-78=5'] Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[54, 6, 83, 78], Operations: [] Exploring Operation: 83-78=5, Resulting Numbers: [54, 6, 5] Generated Node #0,0: 14:[54, 6, 5] Operation: 83-78=5 Moving to Node #0,0 Current State: 14:[54, 6, 5], Operations: ['83-78=5'] Exploring Operation: 54/6=9, Resulting Numbers: [5, 9] Generated Node #0,0,0: 14:[5, 9] Operation: 54/6=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[5, 9], Operations: ['83-78=5', '54/6=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[54, 6, 83, 78], Operations: [] Exploring Operation: 83-78=5, Resulting Numbers: [54, 6, 5] Generated Node #0,0: 14:[54, 6, 5] Operation: 83-78=5 Moving to Node #0,0 Current State: 14:[54, 6, 5], Operations: ['83-78=5'] Exploring Operation: 54/6=9, Resulting Numbers: [5, 9] Generated Node #0,0,0: 14:[5, 9] Operation: 54/6=9 Moving to Node #0,0,0 Current State: 14:[5, 9], Operations: ['83-78=5', '54/6=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 56, 11, 54, 15 ]
13
[ "56-54=2", "11+15=26", "26/2=13" ]
Current State: 13:[56, 11, 54, 15], Operations: [] Exploring Operation: 56-54=2, Resulting Numbers: [11, 15, 2] Generated Node #2: [11, 15, 2] from Operation: 56-54=2 Current State: 13:[11, 15, 2], Operations: ['56-54=2'] Exploring Operation: 11+15=26, Resulting Numbers: [2, 26] Generated Node #3: [2, 26] from Operation: 11+15=26 Current State: 13:[2, 26], Operations: ['56-54=2', '11+15=26'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[56, 11, 54, 15], Operations: [] Exploring Operation: 56-15=41, Resulting Numbers: [11, 54, 41] Generated Node #0,0: 13:[11, 54, 41] Operation: 56-15=41 Exploring Operation: 54-15=39, Resulting Numbers: [56, 11, 39] Generated Node #0,1: 13:[56, 11, 39] Operation: 54-15=39 Exploring Operation: 56-54=2, Resulting Numbers: [11, 15, 2] Generated Node #0,2: 13:[11, 15, 2] Operation: 56-54=2 Exploring Operation: 56-11=45, Resulting Numbers: [54, 15, 45] Generated Node #0,3: 13:[54, 15, 45] Operation: 56-11=45 Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[11, 15, 2], Operations: ['56-54=2'] Exploring Operation: 15-2=13, Resulting Numbers: [11, 13] Generated Node #0,2,0: 13:[11, 13] Operation: 15-2=13 Exploring Operation: 11+2=13, Resulting Numbers: [15, 13] Generated Node #0,2,1: 13:[15, 13] Operation: 11+2=13 Exploring Operation: 11-2=9, Resulting Numbers: [15, 9] Generated Node #0,2,2: 13:[15, 9] Operation: 11-2=9 Exploring Operation: 15+2=17, Resulting Numbers: [11, 17] Generated Node #0,2,3: 13:[11, 17] Operation: 15+2=17 Moving to Node #0,2,0 Current State: 13:[11, 13], Operations: ['56-54=2', '15-2=13'] Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,13 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,13 unequal: No Solution Moving to Node #0,2,1 Current State: 13:[15, 13], Operations: ['56-54=2', '11+2=13'] Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 15*13=195, Resulting Numbers: [195] 195,13 unequal: No Solution Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,13 unequal: No Solution Moving to Node #0,2,3 Current State: 13:[11, 17], Operations: ['56-54=2', '15+2=17'] Exploring Operation: 11+17=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 11*17=187, Resulting Numbers: [187] 187,13 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,13 unequal: No Solution Moving to Node #0,2,2 Current State: 13:[15, 9], Operations: ['56-54=2', '11-2=9'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,13 unequal: No Solution Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,13 unequal: No Solution Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[11, 54, 41], Operations: ['56-15=41'] Exploring Operation: 54-41=13, Resulting Numbers: [11, 13] Generated Node #0,0,0: 13:[11, 13] Operation: 54-41=13 Exploring Operation: 54-11=43, Resulting Numbers: [41, 43] Generated Node #0,0,1: 13:[41, 43] Operation: 54-11=43 Exploring Operation: 11+54=65, Resulting Numbers: [41, 65] Generated Node #0,0,2: 13:[41, 65] Operation: 11+54=65 Exploring Operation: 41-11=30, Resulting Numbers: [54, 30] Generated Node #0,0,3: 13:[54, 30] Operation: 41-11=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[11, 13], Operations: ['56-15=41', '54-41=13'] Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,13 unequal: No Solution Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,13 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:[41, 43], Operations: ['56-15=41', '54-11=43'] Exploring Operation: 41*43=1763, Resulting Numbers: [1763] 1763,13 unequal: No Solution Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 41+43=84, Resulting Numbers: [84] 84,13 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:[54, 30], Operations: ['56-15=41', '41-11=30'] Exploring Operation: 54*30=1620, Resulting Numbers: [1620] 1620,13 unequal: No Solution Exploring Operation: 54-30=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 54+30=84, Resulting Numbers: [84] 84,13 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 #0,0,2 Current State: 13:[41, 65], Operations: ['56-15=41', '11+54=65'] Exploring Operation: 41*65=2665, Resulting Numbers: [2665] 2665,13 unequal: No Solution Exploring Operation: 41+65=106, Resulting Numbers: [106] 106,13 unequal: No Solution Exploring Operation: 65-41=24, Resulting Numbers: [24] 24,13 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:[56, 11, 39], Operations: ['54-15=39'] Exploring Operation: 39-11=28, Resulting Numbers: [56, 28] Generated Node #0,1,0: 13:[56, 28] Operation: 39-11=28 Exploring Operation: 56-39=17, Resulting Numbers: [11, 17] Generated Node #0,1,1: 13:[11, 17] Operation: 56-39=17 Exploring Operation: 56-11=45, Resulting Numbers: [39, 45] Generated Node #0,1,2: 13:[39, 45] Operation: 56-11=45 Exploring Operation: 56+11=67, Resulting Numbers: [39, 67] Generated Node #0,1,3: 13:[39, 67] Operation: 56+11=67 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 13:[11, 17], Operations: ['54-15=39', '56-39=17'] Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,13 unequal: No Solution Exploring Operation: 11+17=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 11*17=187, Resulting Numbers: [187] 187,13 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 #0,1,0 Current State: 13:[56, 28], Operations: ['54-15=39', '39-11=28'] Exploring Operation: 56+28=84, Resulting Numbers: [84] 84,13 unequal: No Solution Exploring Operation: 56*28=1568, Resulting Numbers: [1568] 1568,13 unequal: No Solution Exploring Operation: 56/28=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 56-28=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 #0,1,2 Current State: 13:[39, 45], Operations: ['54-15=39', '56-11=45'] Exploring Operation: 45-39=6, Resulting Numbers: [6] 6,13 unequal: No Solution Exploring Operation: 39+45=84, Resulting Numbers: [84] 84,13 unequal: No Solution Exploring Operation: 39*45=1755, Resulting Numbers: [1755] 1755,13 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 #0,1,3 Current State: 13:[39, 67], Operations: ['54-15=39', '56+11=67'] Exploring Operation: 39+67=106, Resulting Numbers: [106] 106,13 unequal: No Solution Exploring Operation: 67-39=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 39*67=2613, Resulting Numbers: [2613] 2613,13 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 #0,3 Current State: 13:[54, 15, 45], Operations: ['56-11=45'] Exploring Operation: 54-45=9, Resulting Numbers: [15, 9] Generated Node #0,3,0: 13:[15, 9] Operation: 54-45=9 Exploring Operation: 45-15=30, Resulting Numbers: [54, 30] Generated Node #0,3,1: 13:[54, 30] Operation: 45-15=30 Exploring Operation: 54-15=39, Resulting Numbers: [45, 39] Generated Node #0,3,2: 13:[45, 39] Operation: 54-15=39 Exploring Operation: 45/15=3, Resulting Numbers: [54, 3] Generated Node #0,3,3: 13:[54, 3] Operation: 45/15=3 Moving to Node #0,3,0 Current State: 13:[15, 9], Operations: ['56-11=45', '54-45=9'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,13 unequal: No Solution Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,13 unequal: No Solution Moving to Node #0,3,3 Current State: 13:[54, 3], Operations: ['56-11=45', '45/15=3'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,13 unequal: No Solution Exploring Operation: 54+3=57, Resulting Numbers: [57] 57,13 unequal: No Solution Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,13 unequal: No Solution Exploring Operation: 54*3=162, Resulting Numbers: [162] 162,13 unequal: No Solution Moving to Node #0,3,2 Current State: 13:[45, 39], Operations: ['56-11=45', '54-15=39'] Exploring Operation: 45-39=6, Resulting Numbers: [6] 6,13 unequal: No Solution Exploring Operation: 45*39=1755, Resulting Numbers: [1755] 1755,13 unequal: No Solution Exploring Operation: 45+39=84, Resulting Numbers: [84] 84,13 unequal: No Solution Moving to Node #0,3,1 Current State: 13:[54, 30], Operations: ['56-11=45', '45-15=30'] Exploring Operation: 54-30=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 54*30=1620, Resulting Numbers: [1620] 1620,13 unequal: No Solution Exploring Operation: 54+30=84, Resulting Numbers: [84] 84,13 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
[ 13, 42, 77, 25 ]
46
[ "77-25=52", "52/13=4", "42+4=46" ]
Current State: 46:[13, 42, 77, 25], Operations: [] Exploring Operation: 77-25=52, Resulting Numbers: [13, 42, 52] Generated Node #2: [13, 42, 52] from Operation: 77-25=52 Current State: 46:[13, 42, 52], Operations: ['77-25=52'] Exploring Operation: 52/13=4, Resulting Numbers: [42, 4] Generated Node #3: [42, 4] from Operation: 52/13=4 Current State: 46:[42, 4], Operations: ['77-25=52', '52/13=4'] Exploring Operation: 42+4=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[13, 42, 77, 25], Operations: [] Exploring Operation: 77-25=52, Resulting Numbers: [13, 42, 52] Generated Node #0,0: 46:[13, 42, 52] Operation: 77-25=52 Exploring Operation: 77-42=35, Resulting Numbers: [13, 25, 35] Generated Node #0,1: 46:[13, 25, 35] Operation: 77-42=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[13, 42, 52], Operations: ['77-25=52'] Exploring Operation: 52/13=4, Resulting Numbers: [42, 4] Generated Node #0,0,0: 46:[42, 4] Operation: 52/13=4 Exploring Operation: 52-13=39, Resulting Numbers: [42, 39] Generated Node #0,0,1: 46:[42, 39] Operation: 52-13=39 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 46:[42, 4], Operations: ['77-25=52', '52/13=4'] Exploring Operation: 42+4=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[13, 42, 77, 25], Operations: [] Exploring Operation: 77-25=52, Resulting Numbers: [13, 42, 52] Generated Node #0,0: 46:[13, 42, 52] Operation: 77-25=52 Moving to Node #0,0 Current State: 46:[13, 42, 52], Operations: ['77-25=52'] Exploring Operation: 52/13=4, Resulting Numbers: [42, 4] Generated Node #0,0,0: 46:[42, 4] Operation: 52/13=4 Moving to Node #0,0,0 Current State: 46:[42, 4], Operations: ['77-25=52', '52/13=4'] Exploring Operation: 42+4=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 32, 3, 96, 96 ]
87
[ "96/32=3", "3*3=9", "96-9=87" ]
Current State: 87:[32, 3, 96, 96], Operations: [] Exploring Operation: 96/32=3, Resulting Numbers: [3, 3] Generated Node #2: [3, 3] from Operation: 96/32=3 Current State: 87:[3, 3], Operations: ['96/32=3'] Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,87 equal: Goal Reached Exploring Operation: 96-9=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[32, 3, 96, 96], Operations: [] Exploring Operation: 96/32=3, Resulting Numbers: [3, 96, 3] Generated Node #0,0: 87:[3, 96, 3] Operation: 96/32=3 Exploring Operation: 96/96=1, Resulting Numbers: [32, 3, 1] Generated Node #0,1: 87:[32, 3, 1] Operation: 96/96=1 Exploring Operation: 96/32=3, Resulting Numbers: [3, 96, 3] Generated Node #0,2: 87:[3, 96, 3] Operation: 96/32=3 Exploring Operation: 96-96=0, Resulting Numbers: [32, 3, 0] Generated Node #0,3: 87:[32, 3, 0] Operation: 96-96=0 Exploring Operation: 96/3=32, Resulting Numbers: [32, 96, 32] Generated Node #0,4: 87:[32, 96, 32] Operation: 96/3=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[32, 3, 1], Operations: ['96/96=1'] Exploring Operation: 32-3=29, Resulting Numbers: [1, 29] Generated Node #0,1,0: 87:[1, 29] Operation: 32-3=29 Exploring Operation: 32-1=31, Resulting Numbers: [3, 31] Generated Node #0,1,1: 87:[3, 31] Operation: 32-1=31 Exploring Operation: 32/1=32, Resulting Numbers: [3, 32] Generated Node #0,1,2: 87:[3, 32] Operation: 32/1=32 Exploring Operation: 32*1=32, Resulting Numbers: [3, 32] Generated Node #0,1,3: 87:[3, 32] Operation: 32*1=32 Exploring Operation: 3*1=3, Resulting Numbers: [32, 3] Generated Node #0,1,4: 87:[32, 3] Operation: 3*1=3 Moving to Node #0,1,0 Current State: 87:[1, 29], Operations: ['96/96=1', '32-3=29'] Exploring Operation: 1+29=30, Resulting Numbers: [30] 30,87 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[3, 31], Operations: ['96/96=1', '32-1=31'] Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,87 unequal: No Solution Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,87 unequal: No Solution Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,87 unequal: No Solution Moving to Node #0,1,2 Current State: 87:[3, 32], Operations: ['96/96=1', '32/1=32'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,87 unequal: No Solution Moving to Node #0,1,3 Current State: 87:[3, 32], Operations: ['96/96=1', '32*1=32'] Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,87 unequal: No Solution Moving to Node #0,1,4 Current State: 87:[32, 3], Operations: ['96/96=1', '3*1=3'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,87 unequal: No Solution Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,87 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 #0,3 Current State: 87:[32, 3, 0], Operations: ['96-96=0'] Exploring Operation: 32-3=29, Resulting Numbers: [0, 29] Generated Node #0,3,0: 87:[0, 29] Operation: 32-3=29 Exploring Operation: 32-0=32, Resulting Numbers: [3, 32] Generated Node #0,3,1: 87:[3, 32] Operation: 32-0=32 Exploring Operation: 3+0=3, Resulting Numbers: [32, 3] Generated Node #0,3,2: 87:[32, 3] Operation: 3+0=3 Exploring Operation: 32+0=32, Resulting Numbers: [3, 32] Generated Node #0,3,3: 87:[3, 32] Operation: 32+0=32 Exploring Operation: 32*0=0, Resulting Numbers: [3, 0] Generated Node #0,3,4: 87:[3, 0] Operation: 32*0=0 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 87:[0, 29], Operations: ['96-96=0', '32-3=29'] Exploring Operation: 29-0=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 0+29=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 0*29=0, Resulting Numbers: [0] 0,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 87:[3, 32], Operations: ['96-96=0', '32-0=32'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 87:[32, 3], Operations: ['96-96=0', '3+0=3'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,87 unequal: No Solution Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 87:[3, 32], Operations: ['96-96=0', '32+0=32'] Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,87 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 87:[3, 0], Operations: ['96-96=0', '32*0=0'] Exploring Operation: 3+0=3, Resulting Numbers: [3] 3,87 unequal: No Solution Exploring Operation: 3-0=3, Resulting Numbers: [3] 3,87 unequal: No Solution Exploring Operation: 3*0=0, Resulting Numbers: [0] 0,87 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: 87:[3, 96, 3], Operations: ['96/32=3'] Exploring Operation: 96/3=32, Resulting Numbers: [3, 32] Generated Node #0,0,0: 87:[3, 32] Operation: 96/3=32 Exploring Operation: 96-3=93, Resulting Numbers: [3, 93] Generated Node #0,0,1: 87:[3, 93] Operation: 96-3=93 Exploring Operation: 3/3=1, Resulting Numbers: [96, 1] Generated Node #0,0,2: 87:[96, 1] Operation: 3/3=1 Exploring Operation: 96-3=93, Resulting Numbers: [3, 93] Generated Node #0,0,3: 87:[3, 93] Operation: 96-3=93 Exploring Operation: 96/3=32, Resulting Numbers: [3, 32] Generated Node #0,0,4: 87:[3, 32] Operation: 96/3=32 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[3, 32], Operations: ['96/32=3', '96/3=32'] Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,87 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 87:[3, 32], Operations: ['96/32=3', '96/3=32'] Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 87:[3, 93], Operations: ['96/32=3', '96-3=93'] Exploring Operation: 3+93=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,87 unequal: No Solution Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,87 unequal: No Solution Exploring Operation: 3*93=279, Resulting Numbers: [279] 279,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 87:[3, 93], Operations: ['96/32=3', '96-3=93'] Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,87 unequal: No Solution Exploring Operation: 3*93=279, Resulting Numbers: [279] 279,87 unequal: No Solution Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,87 unequal: No Solution Exploring Operation: 3+93=96, Resulting Numbers: [96] 96,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 87:[96, 1], Operations: ['96/32=3', '3/3=1'] Exploring Operation: 96*1=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 96+1=97, Resulting Numbers: [97] 97,87 unequal: No Solution Exploring Operation: 96/1=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 96-1=95, Resulting Numbers: [95] 95,87 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: 87:[3, 96, 3], Operations: ['96/32=3'] Exploring Operation: 3/3=1, Resulting Numbers: [96, 1] Generated Node #0,2,0: 87:[96, 1] Operation: 3/3=1 Exploring Operation: 96-3=93, Resulting Numbers: [3, 93] Generated Node #0,2,1: 87:[3, 93] Operation: 96-3=93 Exploring Operation: 96-3=93, Resulting Numbers: [3, 93] Generated Node #0,2,2: 87:[3, 93] Operation: 96-3=93 Exploring Operation: 96/3=32, Resulting Numbers: [3, 32] Generated Node #0,2,3: 87:[3, 32] Operation: 96/3=32 Exploring Operation: 96/3=32, Resulting Numbers: [3, 32] Generated Node #0,2,4: 87:[3, 32] Operation: 96/3=32 Moving to Node #0,2,3 Current State: 87:[3, 32], Operations: ['96/32=3', '96/3=32'] Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,87 unequal: No Solution Moving to Node #0,2,4 Current State: 87:[3, 32], Operations: ['96/32=3', '96/3=32'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 3+32=35, Resulting Numbers: [35] 35,87 unequal: No Solution Exploring Operation: 3*32=96, Resulting Numbers: [96] 96,87 unequal: No Solution Moving to Node #0,2,1 Current State: 87:[3, 93], Operations: ['96/32=3', '96-3=93'] Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,87 unequal: No Solution Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,87 unequal: No Solution Exploring Operation: 3*93=279, Resulting Numbers: [279] 279,87 unequal: No Solution Exploring Operation: 3+93=96, Resulting Numbers: [96] 96,87 unequal: No Solution Moving to Node #0,2,2 Current State: 87:[3, 93], Operations: ['96/32=3', '96-3=93'] Exploring Operation: 3+93=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,87 unequal: No Solution Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,87 unequal: No Solution Exploring Operation: 3*93=279, Resulting Numbers: [279] 279,87 unequal: No Solution Moving to Node #0,2,0 Current State: 87:[96, 1], Operations: ['96/32=3', '3/3=1'] Exploring Operation: 96/1=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 96-1=95, Resulting Numbers: [95] 95,87 unequal: No Solution Exploring Operation: 96*1=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 96+1=97, Resulting Numbers: [97] 97,87 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 #0,4 Current State: 87:[32, 96, 32], Operations: ['96/3=32'] Exploring Operation: 32-32=0, Resulting Numbers: [96, 0] Generated Node #0,4,0: 87:[96, 0] Operation: 32-32=0 Exploring Operation: 32/32=1, Resulting Numbers: [96, 1] Generated Node #0,4,1: 87:[96, 1] Operation: 32/32=1 Exploring Operation: 96-32=64, Resulting Numbers: [32, 64] Generated Node #0,4,2: 87:[32, 64] Operation: 96-32=64 Exploring Operation: 96/32=3, Resulting Numbers: [32, 3] Generated Node #0,4,3: 87:[32, 3] Operation: 96/32=3 Exploring Operation: 96/32=3, Resulting Numbers: [32, 3] Generated Node #0,4,4: 87:[32, 3] Operation: 96/32=3 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 87:[32, 3], Operations: ['96/3=32', '96/32=3'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,87 unequal: No Solution Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 87:[32, 3], Operations: ['96/3=32', '96/32=3'] Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,87 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 87:[96, 1], Operations: ['96/3=32', '32/32=1'] Exploring Operation: 96-1=95, Resulting Numbers: [95] 95,87 unequal: No Solution Exploring Operation: 96+1=97, Resulting Numbers: [97] 97,87 unequal: No Solution Exploring Operation: 96*1=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 96/1=96, Resulting Numbers: [96] 96,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 87:[96, 0], Operations: ['96/3=32', '32-32=0'] Exploring Operation: 96*0=0, Resulting Numbers: [0] 0,87 unequal: No Solution Exploring Operation: 96+0=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 96-0=96, Resulting Numbers: [96] 96,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 87:[32, 64], Operations: ['96/3=32', '96-32=64'] Exploring Operation: 64/32=2, Resulting Numbers: [2] 2,87 unequal: No Solution Exploring Operation: 32*64=2048, Resulting Numbers: [2048] 2048,87 unequal: No Solution Exploring Operation: 32+64=96, Resulting Numbers: [96] 96,87 unequal: No Solution Exploring Operation: 64-32=32, Resulting Numbers: [32] 32,87 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, 58, 56, 22 ]
64
[ "56/2=28", "58-22=36", "28+36=64" ]
Current State: 64:[2, 58, 56, 22], Operations: [] Exploring Operation: 56/2=28, Resulting Numbers: [58, 22, 28] Generated Node #2: [58, 22, 28] from Operation: 56/2=28 Current State: 64:[58, 22, 28], Operations: ['56/2=28'] Exploring Operation: 58-22=36, Resulting Numbers: [28, 36] Generated Node #3: [28, 36] from Operation: 58-22=36 Current State: 64:[28, 36], Operations: ['56/2=28', '58-22=36'] Exploring Operation: 28+36=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[2, 58, 56, 22], Operations: [] Exploring Operation: 58-56=2, Resulting Numbers: [2, 22, 2] Generated Node #0,0: 64:[2, 22, 2] Operation: 58-56=2 Exploring Operation: 56-22=34, Resulting Numbers: [2, 58, 34] Generated Node #0,1: 64:[2, 58, 34] Operation: 56-22=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[2, 22, 2], Operations: ['58-56=2'] Exploring Operation: 22/2=11, Resulting Numbers: [2, 11] Generated Node #0,0,0: 64:[2, 11] Operation: 22/2=11 Exploring Operation: 22/2=11, Resulting Numbers: [2, 11] Generated Node #0,0,1: 64:[2, 11] Operation: 22/2=11 Moving to Node #0,0,0 Current State: 64:[2, 11], Operations: ['58-56=2', '22/2=11'] Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,64 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,64 unequal: No Solution Moving to Node #0,0,1 Current State: 64:[2, 11], Operations: ['58-56=2', '22/2=11'] Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,64 unequal: No Solution Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[2, 58, 34], Operations: ['56-22=34'] Exploring Operation: 2+58=60, Resulting Numbers: [34, 60] Generated Node #0,1,0: 64:[34, 60] Operation: 2+58=60 Exploring Operation: 58/2=29, Resulting Numbers: [34, 29] Generated Node #0,1,1: 64:[34, 29] Operation: 58/2=29 Moving to Node #0,1,1 Current State: 64:[34, 29], Operations: ['56-22=34', '58/2=29'] Exploring Operation: 34-29=5, Resulting Numbers: [5] 5,64 unequal: No Solution Exploring Operation: 34+29=63, Resulting Numbers: [63] 63,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[34, 60], Operations: ['56-22=34', '2+58=60'] Exploring Operation: 60-34=26, Resulting Numbers: [26] 26,64 unequal: No Solution Exploring Operation: 34+60=94, Resulting Numbers: [94] 94,64 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
[ 85, 23, 32, 95 ]
19
[ "85+23=108", "32+95=127", "127-108=19" ]
Current State: 19:[85, 23, 32, 95], Operations: [] Exploring Operation: 85+23=108, Resulting Numbers: [32, 95, 108] Generated Node #2: [32, 95, 108] from Operation: 85+23=108 Current State: 19:[32, 95, 108], Operations: ['85+23=108'] Exploring Operation: 32+95=127, Resulting Numbers: [108, 127] Generated Node #3: [108, 127] from Operation: 32+95=127 Current State: 19:[108, 127], Operations: ['85+23=108', '32+95=127'] Exploring Operation: 127-108=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[85, 23, 32, 95], Operations: [] Exploring Operation: 95-32=63, Resulting Numbers: [85, 23, 63] Generated Node #0,0: 19:[85, 23, 63] Operation: 95-32=63 Exploring Operation: 95-85=10, Resulting Numbers: [23, 32, 10] Generated Node #0,1: 19:[23, 32, 10] Operation: 95-85=10 Exploring Operation: 85-32=53, Resulting Numbers: [23, 95, 53] Generated Node #0,2: 19:[23, 95, 53] Operation: 85-32=53 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[23, 32, 10], Operations: ['95-85=10'] Exploring Operation: 32-10=22, Resulting Numbers: [23, 22] Generated Node #0,1,0: 19:[23, 22] Operation: 32-10=22 Exploring Operation: 32-23=9, Resulting Numbers: [10, 9] Generated Node #0,1,1: 19:[10, 9] Operation: 32-23=9 Exploring Operation: 23-10=13, Resulting Numbers: [32, 13] Generated Node #0,1,2: 19:[32, 13] Operation: 23-10=13 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 19:[23, 22], Operations: ['95-85=10', '32-10=22'] Exploring Operation: 23+22=45, Resulting Numbers: [45] 45,19 unequal: No Solution Exploring Operation: 23*22=506, Resulting Numbers: [506] 506,19 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 19:[10, 9], Operations: ['95-85=10', '32-23=9'] Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,19 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,19 unequal: No Solution Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[85, 23, 32, 95], Operations: [] Exploring Operation: 95-85=10, Resulting Numbers: [23, 32, 10] Generated Node #0,1: 19:[23, 32, 10] Operation: 95-85=10 Moving to Node #0,1 Current State: 19:[23, 32, 10], Operations: ['95-85=10'] Exploring Operation: 32-23=9, Resulting Numbers: [10, 9] Generated Node #0,1,1: 19:[10, 9] Operation: 32-23=9 Moving to Node #0,1,1 Current State: 19:[10, 9], Operations: ['95-85=10', '32-23=9'] Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 36, 6, 3, 25 ]
65
[ "36-6=30", "3*30=90", "90-25=65" ]
Current State: 65:[36, 6, 3, 25], Operations: [] Exploring Operation: 36-6=30, Resulting Numbers: [3, 25, 30] Generated Node #2: [3, 25, 30] from Operation: 36-6=30 Current State: 65:[3, 25, 30], Operations: ['36-6=30'] Exploring Operation: 3*30=90, Resulting Numbers: [25, 90] Generated Node #3: [25, 90] from Operation: 3*30=90 Current State: 65:[25, 90], Operations: ['36-6=30', '3*30=90'] Exploring Operation: 90-25=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[36, 6, 3, 25], Operations: [] Exploring Operation: 36-25=11, Resulting Numbers: [6, 3, 11] Generated Node #0,0: 65:[6, 3, 11] Operation: 36-25=11 Exploring Operation: 36+25=61, Resulting Numbers: [6, 3, 61] Generated Node #0,1: 65:[6, 3, 61] Operation: 36+25=61 Moving to Node #0,0 Current State: 65:[6, 3, 11], Operations: ['36-25=11'] Exploring Operation: 11-6=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 65:[3, 5] Operation: 11-6=5 Exploring Operation: 3+11=14, Resulting Numbers: [6, 14] Generated Node #0,0,1: 65:[6, 14] Operation: 3+11=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[3, 5], Operations: ['36-25=11', '11-6=5'] Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[6, 14], Operations: ['36-25=11', '3+11=14'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,65 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: 65:[6, 3, 61], Operations: ['36+25=61'] Exploring Operation: 3+61=64, Resulting Numbers: [6, 64] Generated Node #0,1,0: 65:[6, 64] Operation: 3+61=64 Exploring Operation: 6+61=67, Resulting Numbers: [3, 67] Generated Node #0,1,1: 65:[3, 67] Operation: 6+61=67 Moving to Node #0,1,0 Current State: 65:[6, 64], Operations: ['36+25=61', '3+61=64'] Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,65 unequal: No Solution Exploring Operation: 6+64=70, Resulting Numbers: [70] 70,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[3, 67], Operations: ['36+25=61', '6+61=67'] Exploring Operation: 3+67=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,65 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 9, 70, 56, 62 ]
63
[ "9*56=504", "70-62=8", "504/8=63" ]
Current State: 63:[9, 70, 56, 62], Operations: [] Exploring Operation: 9*56=504, Resulting Numbers: [70, 62, 504] Generated Node #2: [70, 62, 504] from Operation: 9*56=504 Current State: 63:[70, 62, 504], Operations: ['9*56=504'] Exploring Operation: 70-62=8, Resulting Numbers: [504, 8] Generated Node #3: [504, 8] from Operation: 70-62=8 Current State: 63:[504, 8], Operations: ['9*56=504', '70-62=8'] Exploring Operation: 504/8=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[9, 70, 56, 62], Operations: [] Exploring Operation: 70-56=14, Resulting Numbers: [9, 62, 14] Generated Node #0,0: 63:[9, 62, 14] Operation: 70-56=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[9, 62, 14], Operations: ['70-56=14'] Exploring Operation: 9+14=23, Resulting Numbers: [62, 23] Generated Node #0,0,0: 63:[62, 23] Operation: 9+14=23 Moving to Node #0,0,0 Current State: 63:[62, 23], Operations: ['70-56=14', '9+14=23'] Exploring Operation: 62-23=39, Resulting Numbers: [39] 39,63 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
[ 39, 29, 28, 30 ]
67
[ "39+28=67", "30-29=1", "67*1=67" ]
Current State: 67:[39, 29, 28, 30], Operations: [] Exploring Operation: 39+28=67, Resulting Numbers: [29, 30, 67] Generated Node #2: [29, 30, 67] from Operation: 39+28=67 Current State: 67:[29, 30, 67], Operations: ['39+28=67'] Exploring Operation: 30-29=1, Resulting Numbers: [67, 1] Generated Node #3: [67, 1] from Operation: 30-29=1 Current State: 67:[67, 1], Operations: ['39+28=67', '30-29=1'] Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[39, 29, 28, 30], Operations: [] Exploring Operation: 29+28=57, Resulting Numbers: [39, 30, 57] Generated Node #0,0: 67:[39, 30, 57] Operation: 29+28=57 Exploring Operation: 39+28=67, Resulting Numbers: [29, 30, 67] Generated Node #0,1: 67:[29, 30, 67] Operation: 39+28=67 Exploring Operation: 29+30=59, Resulting Numbers: [39, 28, 59] Generated Node #0,2: 67:[39, 28, 59] Operation: 29+30=59 Moving to Node #0,0 Current State: 67:[39, 30, 57], Operations: ['29+28=57'] Exploring Operation: 39+30=69, Resulting Numbers: [57, 69] Generated Node #0,0,0: 67:[57, 69] Operation: 39+30=69 Exploring Operation: 30+57=87, Resulting Numbers: [39, 87] Generated Node #0,0,1: 67:[39, 87] Operation: 30+57=87 Exploring Operation: 39+57=96, Resulting Numbers: [30, 96] Generated Node #0,0,2: 67:[30, 96] Operation: 39+57=96 Moving to Node #0,1 Current State: 67:[29, 30, 67], Operations: ['39+28=67'] Exploring Operation: 30-29=1, Resulting Numbers: [67, 1] Generated Node #0,1,0: 67:[67, 1] Operation: 30-29=1 Exploring Operation: 29+30=59, Resulting Numbers: [67, 59] Generated Node #0,1,1: 67:[67, 59] Operation: 29+30=59 Exploring Operation: 29+67=96, Resulting Numbers: [30, 96] Generated Node #0,1,2: 67:[30, 96] Operation: 29+67=96 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[67, 59], Operations: ['39+28=67', '29+30=59'] Exploring Operation: 67-59=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 67+59=126, Resulting Numbers: [126] 126,67 unequal: No Solution Exploring Operation: 67*59=3953, Resulting Numbers: [3953] 3953,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 67:[67, 1], Operations: ['39+28=67', '30-29=1'] Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[39, 29, 28, 30], Operations: [] Exploring Operation: 39+28=67, Resulting Numbers: [29, 30, 67] Generated Node #0,1: 67:[29, 30, 67] Operation: 39+28=67 Moving to Node #0,1 Current State: 67:[29, 30, 67], Operations: ['39+28=67'] Exploring Operation: 30-29=1, Resulting Numbers: [67, 1] Generated Node #0,1,0: 67:[67, 1] Operation: 30-29=1 Moving to Node #0,1,0 Current State: 67:[67, 1], Operations: ['39+28=67', '30-29=1'] Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 89, 79, 41, 86 ]
35
[ "89-79=10", "86-41=45", "45-10=35" ]
Current State: 35:[89, 79, 41, 86], Operations: [] Exploring Operation: 89-79=10, Resulting Numbers: [41, 86, 10] Generated Node #2: [41, 86, 10] from Operation: 89-79=10 Current State: 35:[41, 86, 10], Operations: ['89-79=10'] Exploring Operation: 86-41=45, Resulting Numbers: [10, 45] Generated Node #3: [10, 45] from Operation: 86-41=45 Current State: 35:[10, 45], Operations: ['89-79=10', '86-41=45'] Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[89, 79, 41, 86], Operations: [] Exploring Operation: 86-79=7, Resulting Numbers: [89, 41, 7] Generated Node #0,0: 35:[89, 41, 7] Operation: 86-79=7 Exploring Operation: 89-86=3, Resulting Numbers: [79, 41, 3] Generated Node #0,1: 35:[79, 41, 3] Operation: 89-86=3 Exploring Operation: 89-79=10, Resulting Numbers: [41, 86, 10] Generated Node #0,2: 35:[41, 86, 10] Operation: 89-79=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[79, 41, 3], Operations: ['89-86=3'] Exploring Operation: 41-3=38, Resulting Numbers: [79, 38] Generated Node #0,1,0: 35:[79, 38] Operation: 41-3=38 Exploring Operation: 79-41=38, Resulting Numbers: [3, 38] Generated Node #0,1,1: 35:[3, 38] Operation: 79-41=38 Exploring Operation: 79-3=76, Resulting Numbers: [41, 76] Generated Node #0,1,2: 35:[41, 76] Operation: 79-3=76 Moving to Node #0,1,1 Current State: 35:[3, 38], Operations: ['89-86=3', '79-41=38'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[89, 79, 41, 86], Operations: [] Exploring Operation: 89-86=3, Resulting Numbers: [79, 41, 3] Generated Node #0,1: 35:[79, 41, 3] Operation: 89-86=3 Moving to Node #0,1 Current State: 35:[79, 41, 3], Operations: ['89-86=3'] Exploring Operation: 79-41=38, Resulting Numbers: [3, 38] Generated Node #0,1,1: 35:[3, 38] Operation: 79-41=38 Moving to Node #0,1,1 Current State: 35:[3, 38], Operations: ['89-86=3', '79-41=38'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 87, 44, 23, 84 ]
25
[ "87-84=3", "23*3=69", "69-44=25" ]
Current State: 25:[87, 44, 23, 84], Operations: [] Exploring Operation: 87-84=3, Resulting Numbers: [44, 23, 3] Generated Node #2: [44, 23, 3] from Operation: 87-84=3 Current State: 25:[44, 23, 3], Operations: ['87-84=3'] Exploring Operation: 23*3=69, Resulting Numbers: [44, 69] Generated Node #3: [44, 69] from Operation: 23*3=69 Current State: 25:[44, 69], Operations: ['87-84=3', '23*3=69'] Exploring Operation: 69-44=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[87, 44, 23, 84], Operations: [] Exploring Operation: 87-44=43, Resulting Numbers: [23, 84, 43] Generated Node #0,0: 25:[23, 84, 43] Operation: 87-44=43 Exploring Operation: 87-84=3, Resulting Numbers: [44, 23, 3] Generated Node #0,1: 25:[44, 23, 3] Operation: 87-84=3 Moving to Node #0,1 Current State: 25:[44, 23, 3], Operations: ['87-84=3'] Exploring Operation: 44-3=41, Resulting Numbers: [23, 41] Generated Node #0,1,0: 25:[23, 41] Operation: 44-3=41 Exploring Operation: 44-23=21, Resulting Numbers: [3, 21] Generated Node #0,1,1: 25:[3, 21] Operation: 44-23=21 Moving to Node #0,0 Current State: 25:[23, 84, 43], Operations: ['87-44=43'] Exploring Operation: 84-23=61, Resulting Numbers: [43, 61] Generated Node #0,0,0: 25:[43, 61] Operation: 84-23=61 Exploring Operation: 84-43=41, Resulting Numbers: [23, 41] Generated Node #0,0,1: 25:[23, 41] Operation: 84-43=41 Moving to Node #0,1,1 Current State: 25:[3, 21], Operations: ['87-84=3', '44-23=21'] Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[23, 41], Operations: ['87-44=43', '84-43=41'] Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 23+41=64, Resulting Numbers: [64] 64,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[23, 41], Operations: ['87-84=3', '44-3=41'] Exploring Operation: 23+41=64, Resulting Numbers: [64] 64,25 unequal: No Solution Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[43, 61], Operations: ['87-44=43', '84-23=61'] Exploring Operation: 61-43=18, Resulting Numbers: [18] 18,25 unequal: No Solution Exploring Operation: 43+61=104, Resulting Numbers: [104] 104,25 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 66, 14, 35, 59 ]
50
[ "66+59=125", "14*125=1750", "1750/35=50" ]
Current State: 50:[66, 14, 35, 59], Operations: [] Exploring Operation: 66+59=125, Resulting Numbers: [14, 35, 125] Generated Node #2: [14, 35, 125] from Operation: 66+59=125 Current State: 50:[14, 35, 125], Operations: ['66+59=125'] Exploring Operation: 14*125=1750, Resulting Numbers: [35, 1750] Generated Node #3: [35, 1750] from Operation: 14*125=1750 Current State: 50:[35, 1750], Operations: ['66+59=125', '14*125=1750'] Exploring Operation: 1750/35=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[66, 14, 35, 59], Operations: [] Exploring Operation: 14+35=49, Resulting Numbers: [66, 59, 49] Generated Node #0,0: 50:[66, 59, 49] Operation: 14+35=49 Exploring Operation: 66-35=31, Resulting Numbers: [14, 59, 31] Generated Node #0,1: 50:[14, 59, 31] Operation: 66-35=31 Exploring Operation: 66-59=7, Resulting Numbers: [14, 35, 7] Generated Node #0,2: 50:[14, 35, 7] Operation: 66-59=7 Exploring Operation: 59-35=24, Resulting Numbers: [66, 14, 24] Generated Node #0,3: 50:[66, 14, 24] Operation: 59-35=24 Exploring Operation: 66-14=52, Resulting Numbers: [35, 59, 52] Generated Node #0,4: 50:[35, 59, 52] Operation: 66-14=52 Start Sub Search at level 1: Moving to Node #0,2 Current State: 50:[14, 35, 7], Operations: ['66-59=7'] Exploring Operation: 14+35=49, Resulting Numbers: [7, 49] Generated Node #0,2,0: 50:[7, 49] Operation: 14+35=49 Exploring Operation: 14/7=2, Resulting Numbers: [35, 2] Generated Node #0,2,1: 50:[35, 2] Operation: 14/7=2 Exploring Operation: 35-7=28, Resulting Numbers: [14, 28] Generated Node #0,2,2: 50:[14, 28] Operation: 35-7=28 Exploring Operation: 35/7=5, Resulting Numbers: [14, 5] Generated Node #0,2,3: 50:[14, 5] Operation: 35/7=5 Exploring Operation: 35-14=21, Resulting Numbers: [7, 21] Generated Node #0,2,4: 50:[7, 21] Operation: 35-14=21 Moving to Node #0,2,0 Current State: 50:[7, 49], Operations: ['66-59=7', '14+35=49'] Exploring Operation: 49/7=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 7+49=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 49-7=42, Resulting Numbers: [42] 42,50 unequal: No Solution Exploring Operation: 7*49=343, Resulting Numbers: [343] 343,50 unequal: No Solution Moving to Node #0,2,3 Current State: 50:[14, 5], Operations: ['66-59=7', '35/7=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,50 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,50 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,50 unequal: No Solution Moving to Node #0,2,4 Current State: 50:[7, 21], Operations: ['66-59=7', '35-14=21'] Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,50 unequal: No Solution Exploring Operation: 7*21=147, Resulting Numbers: [147] 147,50 unequal: No Solution Exploring Operation: 7+21=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[14, 28], Operations: ['66-59=7', '35-7=28'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,50 unequal: No Solution Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,50 unequal: No Solution Exploring Operation: 14*28=392, Resulting Numbers: [392] 392,50 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,50 unequal: No Solution Moving to Node #0,2,1 Current State: 50:[35, 2], Operations: ['66-59=7', '14/7=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,50 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,50 unequal: No Solution Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,50 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 #0,1 Current State: 50:[14, 59, 31], Operations: ['66-35=31'] Exploring Operation: 14+59=73, Resulting Numbers: [31, 73] Generated Node #0,1,0: 50:[31, 73] Operation: 14+59=73 Exploring Operation: 59-14=45, Resulting Numbers: [31, 45] Generated Node #0,1,1: 50:[31, 45] Operation: 59-14=45 Exploring Operation: 31-14=17, Resulting Numbers: [59, 17] Generated Node #0,1,2: 50:[59, 17] Operation: 31-14=17 Exploring Operation: 14+31=45, Resulting Numbers: [59, 45] Generated Node #0,1,3: 50:[59, 45] Operation: 14+31=45 Exploring Operation: 59-31=28, Resulting Numbers: [14, 28] Generated Node #0,1,4: 50:[14, 28] Operation: 59-31=28 Moving to Node #0,1,4 Current State: 50:[14, 28], Operations: ['66-35=31', '59-31=28'] Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,50 unequal: No Solution Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,50 unequal: No Solution Exploring Operation: 14*28=392, Resulting Numbers: [392] 392,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[31, 45], Operations: ['66-35=31', '59-14=45'] Exploring Operation: 31+45=76, Resulting Numbers: [76] 76,50 unequal: No Solution Exploring Operation: 45-31=14, Resulting Numbers: [14] 14,50 unequal: No Solution Exploring Operation: 31*45=1395, Resulting Numbers: [1395] 1395,50 unequal: No Solution Moving to Node #0,1,3 Current State: 50:[59, 45], Operations: ['66-35=31', '14+31=45'] Exploring Operation: 59+45=104, Resulting Numbers: [104] 104,50 unequal: No Solution Exploring Operation: 59*45=2655, Resulting Numbers: [2655] 2655,50 unequal: No Solution Exploring Operation: 59-45=14, Resulting Numbers: [14] 14,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[59, 17], Operations: ['66-35=31', '31-14=17'] Exploring Operation: 59-17=42, Resulting Numbers: [42] 42,50 unequal: No Solution Exploring Operation: 59+17=76, Resulting Numbers: [76] 76,50 unequal: No Solution Exploring Operation: 59*17=1003, Resulting Numbers: [1003] 1003,50 unequal: No Solution Moving to Node #0,1,0 Current State: 50:[31, 73], Operations: ['66-35=31', '14+59=73'] Exploring Operation: 73-31=42, Resulting Numbers: [42] 42,50 unequal: No Solution Exploring Operation: 31*73=2263, Resulting Numbers: [2263] 2263,50 unequal: No Solution Exploring Operation: 31+73=104, Resulting Numbers: [104] 104,50 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:[66, 14, 24], Operations: ['59-35=24'] Exploring Operation: 66-14=52, Resulting Numbers: [24, 52] Generated Node #0,3,0: 50:[24, 52] Operation: 66-14=52 Exploring Operation: 66-24=42, Resulting Numbers: [14, 42] Generated Node #0,3,1: 50:[14, 42] Operation: 66-24=42 Exploring Operation: 66+14=80, Resulting Numbers: [24, 80] Generated Node #0,3,2: 50:[24, 80] Operation: 66+14=80 Exploring Operation: 24-14=10, Resulting Numbers: [66, 10] Generated Node #0,3,3: 50:[66, 10] Operation: 24-14=10 Exploring Operation: 14+24=38, Resulting Numbers: [66, 38] Generated Node #0,3,4: 50:[66, 38] Operation: 14+24=38 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 50:[24, 52], Operations: ['59-35=24', '66-14=52'] Exploring Operation: 52-24=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 24*52=1248, Resulting Numbers: [1248] 1248,50 unequal: No Solution Exploring Operation: 24+52=76, Resulting Numbers: [76] 76,50 unequal: No Solution No 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: 50:[14, 42], Operations: ['59-35=24', '66-24=42'] Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 42/14=3, Resulting Numbers: [3] 3,50 unequal: No Solution Exploring Operation: 14*42=588, Resulting Numbers: [588] 588,50 unequal: No Solution Exploring Operation: 14+42=56, Resulting Numbers: [56] 56,50 unequal: No Solution No 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: 50:[66, 10], Operations: ['59-35=24', '24-14=10'] Exploring Operation: 66*10=660, Resulting Numbers: [660] 660,50 unequal: No Solution Exploring Operation: 66-10=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 66+10=76, Resulting Numbers: [76] 76,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 50:[66, 38], Operations: ['59-35=24', '14+24=38'] Exploring Operation: 66*38=2508, Resulting Numbers: [2508] 2508,50 unequal: No Solution Exploring Operation: 66+38=104, Resulting Numbers: [104] 104,50 unequal: No Solution Exploring Operation: 66-38=28, Resulting Numbers: [28] 28,50 unequal: No Solution No 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: 50:[24, 80], Operations: ['59-35=24', '66+14=80'] Exploring Operation: 24*80=1920, Resulting Numbers: [1920] 1920,50 unequal: No Solution Exploring Operation: 24+80=104, Resulting Numbers: [104] 104,50 unequal: No Solution Exploring Operation: 80-24=56, Resulting Numbers: [56] 56,50 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: 50:[35, 59, 52], Operations: ['66-14=52'] Exploring Operation: 35+52=87, Resulting Numbers: [59, 87] Generated Node #0,4,0: 50:[59, 87] Operation: 35+52=87 Exploring Operation: 35+59=94, Resulting Numbers: [52, 94] Generated Node #0,4,1: 50:[52, 94] Operation: 35+59=94 Exploring Operation: 59-52=7, Resulting Numbers: [35, 7] Generated Node #0,4,2: 50:[35, 7] Operation: 59-52=7 Exploring Operation: 52-35=17, Resulting Numbers: [59, 17] Generated Node #0,4,3: 50:[59, 17] Operation: 52-35=17 Exploring Operation: 59-35=24, Resulting Numbers: [52, 24] Generated Node #0,4,4: 50:[52, 24] Operation: 59-35=24 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 50:[52, 24], Operations: ['66-14=52', '59-35=24'] Exploring Operation: 52+24=76, Resulting Numbers: [76] 76,50 unequal: No Solution Exploring Operation: 52*24=1248, Resulting Numbers: [1248] 1248,50 unequal: No Solution Exploring Operation: 52-24=28, Resulting Numbers: [28] 28,50 unequal: No Solution No 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: 50:[35, 7], Operations: ['66-14=52', '59-52=7'] Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 35+7=42, Resulting Numbers: [42] 42,50 unequal: No Solution Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 35*7=245, Resulting Numbers: [245] 245,50 unequal: No Solution No 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: 50:[59, 17], Operations: ['66-14=52', '52-35=17'] Exploring Operation: 59-17=42, Resulting Numbers: [42] 42,50 unequal: No Solution Exploring Operation: 59*17=1003, Resulting Numbers: [1003] 1003,50 unequal: No Solution Exploring Operation: 59+17=76, Resulting Numbers: [76] 76,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 50:[59, 87], Operations: ['66-14=52', '35+52=87'] Exploring Operation: 87-59=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 59*87=5133, Resulting Numbers: [5133] 5133,50 unequal: No Solution Exploring Operation: 59+87=146, Resulting Numbers: [146] 146,50 unequal: No Solution No 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: 50:[52, 94], Operations: ['66-14=52', '35+59=94'] Exploring Operation: 52*94=4888, Resulting Numbers: [4888] 4888,50 unequal: No Solution Exploring Operation: 94-52=42, Resulting Numbers: [42] 42,50 unequal: No Solution Exploring Operation: 52+94=146, Resulting Numbers: [146] 146,50 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: 50:[66, 59, 49], Operations: ['14+35=49'] Exploring Operation: 66-49=17, Resulting Numbers: [59, 17] Generated Node #0,0,0: 50:[59, 17] Operation: 66-49=17 Exploring Operation: 66-59=7, Resulting Numbers: [49, 7] Generated Node #0,0,1: 50:[49, 7] Operation: 66-59=7 Exploring Operation: 59-49=10, Resulting Numbers: [66, 10] Generated Node #0,0,2: 50:[66, 10] Operation: 59-49=10 Exploring Operation: 59+49=108, Resulting Numbers: [66, 108] Generated Node #0,0,3: 50:[66, 108] Operation: 59+49=108 Exploring Operation: 66+49=115, Resulting Numbers: [59, 115] Generated Node #0,0,4: 50:[59, 115] Operation: 66+49=115 Moving to Node #0,0,1 Current State: 50:[49, 7], Operations: ['14+35=49', '66-59=7'] Exploring Operation: 49/7=7, Resulting Numbers: [7] 7,50 unequal: No Solution Exploring Operation: 49-7=42, Resulting Numbers: [42] 42,50 unequal: No Solution Exploring Operation: 49+7=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 49*7=343, Resulting Numbers: [343] 343,50 unequal: No Solution Moving to Node #0,0,2 Current State: 50:[66, 10], Operations: ['14+35=49', '59-49=10'] Exploring Operation: 66+10=76, Resulting Numbers: [76] 76,50 unequal: No Solution Exploring Operation: 66-10=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 66*10=660, Resulting Numbers: [660] 660,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[59, 17], Operations: ['14+35=49', '66-49=17'] Exploring Operation: 59*17=1003, Resulting Numbers: [1003] 1003,50 unequal: No Solution Exploring Operation: 59+17=76, Resulting Numbers: [76] 76,50 unequal: No Solution Exploring Operation: 59-17=42, Resulting Numbers: [42] 42,50 unequal: No Solution Moving to Node #0,0,3 Current State: 50:[66, 108], Operations: ['14+35=49', '59+49=108'] Exploring Operation: 66+108=174, Resulting Numbers: [174] 174,50 unequal: No Solution Exploring Operation: 66*108=7128, Resulting Numbers: [7128] 7128,50 unequal: No Solution Exploring Operation: 108-66=42, Resulting Numbers: [42] 42,50 unequal: No Solution Moving to Node #0,0,4 Current State: 50:[59, 115], Operations: ['14+35=49', '66+49=115'] Exploring Operation: 59+115=174, Resulting Numbers: [174] 174,50 unequal: No Solution Exploring Operation: 59*115=6785, Resulting Numbers: [6785] 6785,50 unequal: No Solution Exploring Operation: 115-59=56, Resulting Numbers: [56] 56,50 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
[ 11, 63, 70, 3 ]
60
[ "11+70=81", "63/3=21", "81-21=60" ]
Current State: 60:[11, 63, 70, 3], Operations: [] Exploring Operation: 11+70=81, Resulting Numbers: [63, 3, 81] Generated Node #2: [63, 3, 81] from Operation: 11+70=81 Current State: 60:[63, 3, 81], Operations: ['11+70=81'] Exploring Operation: 63/3=21, Resulting Numbers: [81, 21] Generated Node #3: [81, 21] from Operation: 63/3=21 Current State: 60:[81, 21], Operations: ['11+70=81', '63/3=21'] Exploring Operation: 81-21=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[11, 63, 70, 3], Operations: [] Exploring Operation: 63-3=60, Resulting Numbers: [11, 70, 60] Generated Node #0,0: 60:[11, 70, 60] Operation: 63-3=60 Exploring Operation: 70-63=7, Resulting Numbers: [11, 3, 7] Generated Node #0,1: 60:[11, 3, 7] Operation: 70-63=7 Exploring Operation: 70-3=67, Resulting Numbers: [11, 63, 67] Generated Node #0,2: 60:[11, 63, 67] Operation: 70-3=67 Exploring Operation: 63/3=21, Resulting Numbers: [11, 70, 21] Generated Node #0,3: 60:[11, 70, 21] Operation: 63/3=21 Exploring Operation: 70-11=59, Resulting Numbers: [63, 3, 59] Generated Node #0,4: 60:[63, 3, 59] Operation: 70-11=59 Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[11, 3, 7], Operations: ['70-63=7'] Exploring Operation: 11-7=4, Resulting Numbers: [3, 4] Generated Node #0,1,0: 60:[3, 4] Operation: 11-7=4 Exploring Operation: 11+7=18, Resulting Numbers: [3, 18] Generated Node #0,1,1: 60:[3, 18] Operation: 11+7=18 Exploring Operation: 7-3=4, Resulting Numbers: [11, 4] Generated Node #0,1,2: 60:[11, 4] Operation: 7-3=4 Exploring Operation: 11+3=14, Resulting Numbers: [7, 14] Generated Node #0,1,3: 60:[7, 14] Operation: 11+3=14 Exploring Operation: 3+7=10, Resulting Numbers: [11, 10] Generated Node #0,1,4: 60:[11, 10] Operation: 3+7=10 Moving to Node #0,1,0 Current State: 60:[3, 4], Operations: ['70-63=7', '11-7=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,60 unequal: No Solution Moving to Node #0,1,4 Current State: 60:[11, 10], Operations: ['70-63=7', '3+7=10'] Exploring Operation: 11*10=110, Resulting Numbers: [110] 110,60 unequal: No Solution Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,60 unequal: No Solution Moving to Node #0,1,2 Current State: 60:[11, 4], Operations: ['70-63=7', '7-3=4'] Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,60 unequal: No Solution Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,60 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[3, 18], Operations: ['70-63=7', '11+7=18'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 3*18=54, Resulting Numbers: [54] 54,60 unequal: No Solution Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,60 unequal: No Solution Moving to Node #0,1,3 Current State: 60:[7, 14], Operations: ['70-63=7', '11+3=14'] Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 7+14=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,60 unequal: No Solution Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 60:[63, 3, 59], Operations: ['70-11=59'] Exploring Operation: 63+3=66, Resulting Numbers: [59, 66] Generated Node #0,4,0: 60:[59, 66] Operation: 63+3=66 Exploring Operation: 3+59=62, Resulting Numbers: [63, 62] Generated Node #0,4,1: 60:[63, 62] Operation: 3+59=62 Exploring Operation: 63-59=4, Resulting Numbers: [3, 4] Generated Node #0,4,2: 60:[3, 4] Operation: 63-59=4 Exploring Operation: 63/3=21, Resulting Numbers: [59, 21] Generated Node #0,4,3: 60:[59, 21] Operation: 63/3=21 Exploring Operation: 63-3=60, Resulting Numbers: [59, 60] Generated Node #0,4,4: 60:[59, 60] Operation: 63-3=60 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 60:[3, 4], Operations: ['70-11=59', '63-59=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 60:[59, 60], Operations: ['70-11=59', '63-3=60'] Exploring Operation: 59+60=119, Resulting Numbers: [119] 119,60 unequal: No Solution Exploring Operation: 60-59=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 59*60=3540, Resulting Numbers: [3540] 3540,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 60:[59, 21], Operations: ['70-11=59', '63/3=21'] Exploring Operation: 59-21=38, Resulting Numbers: [38] 38,60 unequal: No Solution Exploring Operation: 59+21=80, Resulting Numbers: [80] 80,60 unequal: No Solution Exploring Operation: 59*21=1239, Resulting Numbers: [1239] 1239,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 60:[63, 62], Operations: ['70-11=59', '3+59=62'] Exploring Operation: 63+62=125, Resulting Numbers: [125] 125,60 unequal: No Solution Exploring Operation: 63-62=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 63*62=3906, Resulting Numbers: [3906] 3906,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 60:[59, 66], Operations: ['70-11=59', '63+3=66'] Exploring Operation: 59+66=125, Resulting Numbers: [125] 125,60 unequal: No Solution Exploring Operation: 66-59=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 59*66=3894, Resulting Numbers: [3894] 3894,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[11, 70, 60], Operations: ['63-3=60'] Exploring Operation: 11+70=81, Resulting Numbers: [60, 81] Generated Node #0,0,0: 60:[60, 81] Operation: 11+70=81 Exploring Operation: 60-11=49, Resulting Numbers: [70, 49] Generated Node #0,0,1: 60:[70, 49] Operation: 60-11=49 Exploring Operation: 70-11=59, Resulting Numbers: [60, 59] Generated Node #0,0,2: 60:[60, 59] Operation: 70-11=59 Exploring Operation: 11+60=71, Resulting Numbers: [70, 71] Generated Node #0,0,3: 60:[70, 71] Operation: 11+60=71 Exploring Operation: 70-60=10, Resulting Numbers: [11, 10] Generated Node #0,0,4: 60:[11, 10] Operation: 70-60=10 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 60:[60, 59], Operations: ['63-3=60', '70-11=59'] Exploring Operation: 60+59=119, Resulting Numbers: [119] 119,60 unequal: No Solution Exploring Operation: 60*59=3540, Resulting Numbers: [3540] 3540,60 unequal: No Solution Exploring Operation: 60-59=1, Resulting Numbers: [1] 1,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 60:[11, 10], Operations: ['63-3=60', '70-60=10'] Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 11*10=110, Resulting Numbers: [110] 110,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[60, 81], Operations: ['63-3=60', '11+70=81'] Exploring Operation: 60*81=4860, Resulting Numbers: [4860] 4860,60 unequal: No Solution Exploring Operation: 81-60=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 60+81=141, Resulting Numbers: [141] 141,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 60:[70, 49], Operations: ['63-3=60', '60-11=49'] Exploring Operation: 70+49=119, Resulting Numbers: [119] 119,60 unequal: No Solution Exploring Operation: 70*49=3430, Resulting Numbers: [3430] 3430,60 unequal: No Solution Exploring Operation: 70-49=21, Resulting Numbers: [21] 21,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 60:[70, 71], Operations: ['63-3=60', '11+60=71'] Exploring Operation: 70+71=141, Resulting Numbers: [141] 141,60 unequal: No Solution Exploring Operation: 70*71=4970, Resulting Numbers: [4970] 4970,60 unequal: No Solution Exploring Operation: 71-70=1, Resulting Numbers: [1] 1,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[11, 63, 67], Operations: ['70-3=67'] Exploring Operation: 63-11=52, Resulting Numbers: [67, 52] Generated Node #0,2,0: 60:[67, 52] Operation: 63-11=52 Exploring Operation: 11+63=74, Resulting Numbers: [67, 74] Generated Node #0,2,1: 60:[67, 74] Operation: 11+63=74 Exploring Operation: 67-63=4, Resulting Numbers: [11, 4] Generated Node #0,2,2: 60:[11, 4] Operation: 67-63=4 Exploring Operation: 67-11=56, Resulting Numbers: [63, 56] Generated Node #0,2,3: 60:[63, 56] Operation: 67-11=56 Exploring Operation: 11+67=78, Resulting Numbers: [63, 78] Generated Node #0,2,4: 60:[63, 78] Operation: 11+67=78 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 60:[11, 4], Operations: ['70-3=67', '67-63=4'] Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,60 unequal: No Solution Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,60 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 #0,2,3 Current State: 60:[63, 56], Operations: ['70-3=67', '67-11=56'] Exploring Operation: 63*56=3528, Resulting Numbers: [3528] 3528,60 unequal: No Solution Exploring Operation: 63-56=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 63+56=119, Resulting Numbers: [119] 119,60 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 #0,2,0 Current State: 60:[67, 52], Operations: ['70-3=67', '63-11=52'] Exploring Operation: 67-52=15, Resulting Numbers: [15] 15,60 unequal: No Solution Exploring Operation: 67*52=3484, Resulting Numbers: [3484] 3484,60 unequal: No Solution Exploring Operation: 67+52=119, Resulting Numbers: [119] 119,60 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 #0,2,1 Current State: 60:[67, 74], Operations: ['70-3=67', '11+63=74'] Exploring Operation: 74-67=7, Resulting Numbers: [7] 7,60 unequal: No Solution Exploring Operation: 67*74=4958, Resulting Numbers: [4958] 4958,60 unequal: No Solution Exploring Operation: 67+74=141, Resulting Numbers: [141] 141,60 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 #0,2,4 Current State: 60:[63, 78], Operations: ['70-3=67', '11+67=78'] Exploring Operation: 78-63=15, Resulting Numbers: [15] 15,60 unequal: No Solution Exploring Operation: 63*78=4914, Resulting Numbers: [4914] 4914,60 unequal: No Solution Exploring Operation: 63+78=141, Resulting Numbers: [141] 141,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 60:[11, 70, 21], Operations: ['63/3=21'] Exploring Operation: 70-11=59, Resulting Numbers: [21, 59] Generated Node #0,3,0: 60:[21, 59] Operation: 70-11=59 Exploring Operation: 21-11=10, Resulting Numbers: [70, 10] Generated Node #0,3,1: 60:[70, 10] Operation: 21-11=10 Exploring Operation: 70-21=49, Resulting Numbers: [11, 49] Generated Node #0,3,2: 60:[11, 49] Operation: 70-21=49 Exploring Operation: 11+21=32, Resulting Numbers: [70, 32] Generated Node #0,3,3: 60:[70, 32] Operation: 11+21=32 Exploring Operation: 11+70=81, Resulting Numbers: [21, 81] Generated Node #0,3,4: 60:[21, 81] Operation: 11+70=81 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 60:[21, 59], Operations: ['63/3=21', '70-11=59'] Exploring Operation: 21+59=80, Resulting Numbers: [80] 80,60 unequal: No Solution Exploring Operation: 21*59=1239, Resulting Numbers: [1239] 1239,60 unequal: No Solution Exploring Operation: 59-21=38, Resulting Numbers: [38] 38,60 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 #0,3,1 Current State: 60:[70, 10], Operations: ['63/3=21', '21-11=10'] Exploring Operation: 70-10=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[11, 63, 70, 3], Operations: [] Exploring Operation: 63/3=21, Resulting Numbers: [11, 70, 21] Generated Node #0,3: 60:[11, 70, 21] Operation: 63/3=21 Moving to Node #0,3 Current State: 60:[11, 70, 21], Operations: ['63/3=21'] Exploring Operation: 21-11=10, Resulting Numbers: [70, 10] Generated Node #0,3,1: 60:[70, 10] Operation: 21-11=10 Moving to Node #0,3,1 Current State: 60:[70, 10], Operations: ['63/3=21', '21-11=10'] Exploring Operation: 70-10=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.913194
hs_5
sum_heuristic
[ 41, 60, 19, 1 ]
13
[ "41*19=779", "1+779=780", "780/60=13" ]
Current State: 13:[41, 60, 19, 1], Operations: [] Exploring Operation: 41*19=779, Resulting Numbers: [60, 1, 779] Generated Node #2: [60, 1, 779] from Operation: 41*19=779 Current State: 13:[60, 1, 779], Operations: ['41*19=779'] Exploring Operation: 1+779=780, Resulting Numbers: [60, 780] Generated Node #3: [60, 780] from Operation: 1+779=780 Current State: 13:[60, 780], Operations: ['41*19=779', '1+779=780'] Exploring Operation: 780/60=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[41, 60, 19, 1], Operations: [] Exploring Operation: 41-19=22, Resulting Numbers: [60, 1, 22] Generated Node #0,0: 13:[60, 1, 22] Operation: 41-19=22 Exploring Operation: 60-19=41, Resulting Numbers: [41, 1, 41] Generated Node #0,1: 13:[41, 1, 41] Operation: 60-19=41 Exploring Operation: 60-41=19, Resulting Numbers: [19, 1, 19] Generated Node #0,2: 13:[19, 1, 19] Operation: 60-41=19 Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[19, 1, 19], Operations: ['60-41=19'] Exploring Operation: 19*1=19, Resulting Numbers: [19, 19] Generated Node #0,2,0: 13:[19, 19] Operation: 19*1=19 Exploring Operation: 19-1=18, Resulting Numbers: [19, 18] Generated Node #0,2,1: 13:[19, 18] Operation: 19-1=18 Exploring Operation: 19-1=18, Resulting Numbers: [19, 18] Generated Node #0,2,2: 13:[19, 18] Operation: 19-1=18 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 13:[19, 18], Operations: ['60-41=19', '19-1=18'] Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,13 unequal: No Solution Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 19-18=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:[19, 18], Operations: ['60-41=19', '19-1=18'] Exploring Operation: 19+18=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 19*18=342, Resulting Numbers: [342] 342,13 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:[19, 19], Operations: ['60-41=19', '19*1=19'] Exploring Operation: 19/19=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 19-19=0, Resulting Numbers: [0] 0,13 unequal: No Solution Exploring Operation: 19+19=38, Resulting Numbers: [38] 38,13 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:[60, 1, 22], Operations: ['41-19=22'] Exploring Operation: 22-1=21, Resulting Numbers: [60, 21] Generated Node #0,0,0: 13:[60, 21] Operation: 22-1=21 Exploring Operation: 60-1=59, Resulting Numbers: [22, 59] Generated Node #0,0,1: 13:[22, 59] Operation: 60-1=59 Exploring Operation: 60-22=38, Resulting Numbers: [1, 38] Generated Node #0,0,2: 13:[1, 38] Operation: 60-22=38 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 13:[1, 38], Operations: ['41-19=22', '60-22=38'] Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 1*38=38, Resulting Numbers: [38] 38,13 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:[60, 21], Operations: ['41-19=22', '22-1=21'] Exploring Operation: 60-21=39, Resulting Numbers: [39] 39,13 unequal: No Solution Exploring Operation: 60*21=1260, Resulting Numbers: [1260] 1260,13 unequal: No Solution Exploring Operation: 60+21=81, Resulting Numbers: [81] 81,13 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:[22, 59], Operations: ['41-19=22', '60-1=59'] Exploring Operation: 22*59=1298, Resulting Numbers: [1298] 1298,13 unequal: No Solution Exploring Operation: 22+59=81, Resulting Numbers: [81] 81,13 unequal: No Solution Exploring Operation: 59-22=37, Resulting Numbers: [37] 37,13 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:[41, 1, 41], Operations: ['60-19=41'] Exploring Operation: 41/41=1, Resulting Numbers: [1, 1] Generated Node #0,1,0: 13:[1, 1] Operation: 41/41=1 Exploring Operation: 41-1=40, Resulting Numbers: [41, 40] Generated Node #0,1,1: 13:[41, 40] Operation: 41-1=40 Exploring Operation: 41-41=0, Resulting Numbers: [1, 0] Generated Node #0,1,2: 13:[1, 0] Operation: 41-41=0 Moving to Node #0,1,0 Current State: 13:[1, 1], Operations: ['60-19=41', '41/41=1'] Exploring Operation: 1/1=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 1+1=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 1*1=1, Resulting Numbers: [1] 1,13 unequal: No Solution Moving to Node #0,1,2 Current State: 13:[1, 0], Operations: ['60-19=41', '41-41=0'] Exploring Operation: 1*0=0, Resulting Numbers: [0] 0,13 unequal: No Solution Exploring Operation: 1-0=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 1+0=1, Resulting Numbers: [1] 1,13 unequal: No Solution Moving to Node #0,1,1 Current State: 13:[41, 40], Operations: ['60-19=41', '41-1=40'] Exploring Operation: 41-40=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 41*40=1640, Resulting Numbers: [1640] 1640,13 unequal: No Solution Exploring Operation: 41+40=81, Resulting Numbers: [81] 81,13 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, 67, 91, 55 ]
67
[ "91-37=54", "55-54=1", "67*1=67" ]
Current State: 67:[37, 67, 91, 55], Operations: [] Exploring Operation: 91-37=54, Resulting Numbers: [67, 55, 54] Generated Node #2: [67, 55, 54] from Operation: 91-37=54 Current State: 67:[67, 55, 54], Operations: ['91-37=54'] Exploring Operation: 55-54=1, Resulting Numbers: [67, 1] Generated Node #3: [67, 1] from Operation: 55-54=1 Current State: 67:[67, 1], Operations: ['91-37=54', '55-54=1'] Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[37, 67, 91, 55], Operations: [] Exploring Operation: 37+67=104, Resulting Numbers: [91, 55, 104] Generated Node #0,0: 67:[91, 55, 104] Operation: 37+67=104 Exploring Operation: 37+55=92, Resulting Numbers: [67, 91, 92] Generated Node #0,1: 67:[67, 91, 92] Operation: 37+55=92 Exploring Operation: 91-37=54, Resulting Numbers: [67, 55, 54] Generated Node #0,2: 67:[67, 55, 54] Operation: 91-37=54 Exploring Operation: 91-55=36, Resulting Numbers: [37, 67, 36] Generated Node #0,3: 67:[37, 67, 36] Operation: 91-55=36 Moving to Node #0,2 Current State: 67:[67, 55, 54], Operations: ['91-37=54'] Exploring Operation: 55-54=1, Resulting Numbers: [67, 1] Generated Node #0,2,0: 67:[67, 1] Operation: 55-54=1 Exploring Operation: 67-54=13, Resulting Numbers: [55, 13] Generated Node #0,2,1: 67:[55, 13] Operation: 67-54=13 Exploring Operation: 67+54=121, Resulting Numbers: [55, 121] Generated Node #0,2,2: 67:[55, 121] Operation: 67+54=121 Exploring Operation: 55+54=109, Resulting Numbers: [67, 109] Generated Node #0,2,3: 67:[67, 109] Operation: 55+54=109 Moving to Node #0,1 Current State: 67:[67, 91, 92], Operations: ['37+55=92'] Exploring Operation: 92-91=1, Resulting Numbers: [67, 1] Generated Node #0,1,0: 67:[67, 1] Operation: 92-91=1 Exploring Operation: 92-67=25, Resulting Numbers: [91, 25] Generated Node #0,1,1: 67:[91, 25] Operation: 92-67=25 Exploring Operation: 67+91=158, Resulting Numbers: [92, 158] Generated Node #0,1,2: 67:[92, 158] Operation: 67+91=158 Exploring Operation: 91-67=24, Resulting Numbers: [92, 24] Generated Node #0,1,3: 67:[92, 24] Operation: 91-67=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 67:[67, 1], Operations: ['37+55=92', '92-91=1'] Exploring Operation: 67-1=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 67/1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[37, 67, 91, 55], Operations: [] Exploring Operation: 37+55=92, Resulting Numbers: [67, 91, 92] Generated Node #0,1: 67:[67, 91, 92] Operation: 37+55=92 Moving to Node #0,1 Current State: 67:[67, 91, 92], Operations: ['37+55=92'] Exploring Operation: 92-91=1, Resulting Numbers: [67, 1] Generated Node #0,1,0: 67:[67, 1] Operation: 92-91=1 Moving to Node #0,1,0 Current State: 67:[67, 1], Operations: ['37+55=92', '92-91=1'] Exploring Operation: 67/1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 31, 98, 88, 84 ]
90
[ "98+88=186", "186/31=6", "84+6=90" ]
Current State: 90:[31, 98, 88, 84], Operations: [] Exploring Operation: 98+88=186, Resulting Numbers: [31, 84, 186] Generated Node #2: [31, 84, 186] from Operation: 98+88=186 Current State: 90:[31, 84, 186], Operations: ['98+88=186'] Exploring Operation: 186/31=6, Resulting Numbers: [84, 6] Generated Node #3: [84, 6] from Operation: 186/31=6 Current State: 90:[84, 6], Operations: ['98+88=186', '186/31=6'] Exploring Operation: 84+6=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[31, 98, 88, 84], Operations: [] Exploring Operation: 98-88=10, Resulting Numbers: [31, 84, 10] Generated Node #0,0: 90:[31, 84, 10] Operation: 98-88=10 Exploring Operation: 98-84=14, Resulting Numbers: [31, 88, 14] Generated Node #0,1: 90:[31, 88, 14] Operation: 98-84=14 Exploring Operation: 88-84=4, Resulting Numbers: [31, 98, 4] Generated Node #0,2: 90:[31, 98, 4] Operation: 88-84=4 Moving to Node #0,1 Current State: 90:[31, 88, 14], Operations: ['98-84=14'] Exploring Operation: 88-31=57, Resulting Numbers: [14, 57] Generated Node #0,1,0: 90:[14, 57] Operation: 88-31=57 Exploring Operation: 31-14=17, Resulting Numbers: [88, 17] Generated Node #0,1,1: 90:[88, 17] Operation: 31-14=17 Exploring Operation: 31+14=45, Resulting Numbers: [88, 45] Generated Node #0,1,2: 90:[88, 45] Operation: 31+14=45 Moving to Node #0,0 Current State: 90:[31, 84, 10], Operations: ['98-88=10'] Exploring Operation: 84-31=53, Resulting Numbers: [10, 53] Generated Node #0,0,0: 90:[10, 53] Operation: 84-31=53 Exploring Operation: 84+10=94, Resulting Numbers: [31, 94] Generated Node #0,0,1: 90:[31, 94] Operation: 84+10=94 Exploring Operation: 31-10=21, Resulting Numbers: [84, 21] Generated Node #0,0,2: 90:[84, 21] Operation: 31-10=21 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 90:[31, 94], Operations: ['98-88=10', '84+10=94'] Exploring Operation: 94-31=63, Resulting Numbers: [63] 63,90 unequal: No Solution Exploring Operation: 31*94=2914, Resulting Numbers: [2914] 2914,90 unequal: No Solution Exploring Operation: 31+94=125, Resulting Numbers: [125] 125,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[10, 53], Operations: ['98-88=10', '84-31=53'] Exploring Operation: 10*53=530, Resulting Numbers: [530] 530,90 unequal: No Solution Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 90:[84, 21], Operations: ['98-88=10', '31-10=21'] Exploring Operation: 84+21=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 84-21=63, Resulting Numbers: [63] 63,90 unequal: No Solution Exploring Operation: 84/21=4, Resulting Numbers: [4] 4,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 90:[31, 98, 4], Operations: ['88-84=4'] Exploring Operation: 31-4=27, Resulting Numbers: [98, 27] Generated Node #0,2,0: 90:[98, 27] Operation: 31-4=27 Exploring Operation: 31+4=35, Resulting Numbers: [98, 35] Generated Node #0,2,1: 90:[98, 35] Operation: 31+4=35 Exploring Operation: 98-4=94, Resulting Numbers: [31, 94] Generated Node #0,2,2: 90:[31, 94] Operation: 98-4=94 Moving to Node #0,1,2 Current State: 90:[88, 45], Operations: ['98-84=14', '31+14=45'] Exploring Operation: 88-45=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 88*45=3960, Resulting Numbers: [3960] 3960,90 unequal: No Solution Exploring Operation: 88+45=133, Resulting Numbers: [133] 133,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[88, 17], Operations: ['98-84=14', '31-14=17'] Exploring Operation: 88-17=71, Resulting Numbers: [71] 71,90 unequal: No Solution Exploring Operation: 88+17=105, Resulting Numbers: [105] 105,90 unequal: No Solution Exploring Operation: 88*17=1496, Resulting Numbers: [1496] 1496,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[31, 94], Operations: ['88-84=4', '98-4=94'] Exploring Operation: 31*94=2914, Resulting Numbers: [2914] 2914,90 unequal: No Solution Exploring Operation: 31+94=125, Resulting Numbers: [125] 125,90 unequal: No Solution Exploring Operation: 94-31=63, Resulting Numbers: [63] 63,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[98, 27], Operations: ['88-84=4', '31-4=27'] Exploring Operation: 98+27=125, Resulting Numbers: [125] 125,90 unequal: No Solution Exploring Operation: 98-27=71, Resulting Numbers: [71] 71,90 unequal: No Solution Exploring Operation: 98*27=2646, Resulting Numbers: [2646] 2646,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[98, 35], Operations: ['88-84=4', '31+4=35'] Exploring Operation: 98*35=3430, Resulting Numbers: [3430] 3430,90 unequal: No Solution Exploring Operation: 98+35=133, Resulting Numbers: [133] 133,90 unequal: No Solution Exploring Operation: 98-35=63, Resulting Numbers: [63] 63,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[14, 57], Operations: ['98-84=14', '88-31=57'] Exploring Operation: 14*57=798, Resulting Numbers: [798] 798,90 unequal: No Solution Exploring Operation: 14+57=71, Resulting Numbers: [71] 71,90 unequal: No Solution Exploring Operation: 57-14=43, Resulting Numbers: [43] 43,90 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 70, 61, 81, 30 ]
60
[ "70-61=9", "81-30=51", "9+51=60" ]
Current State: 60:[70, 61, 81, 30], Operations: [] Exploring Operation: 70-61=9, Resulting Numbers: [81, 30, 9] Generated Node #2: [81, 30, 9] from Operation: 70-61=9 Current State: 60:[81, 30, 9], Operations: ['70-61=9'] Exploring Operation: 81-30=51, Resulting Numbers: [9, 51] Generated Node #3: [9, 51] from Operation: 81-30=51 Current State: 60:[9, 51], Operations: ['70-61=9', '81-30=51'] Exploring Operation: 9+51=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[70, 61, 81, 30], Operations: [] Exploring Operation: 81-61=20, Resulting Numbers: [70, 30, 20] Generated Node #0,0: 60:[70, 30, 20] Operation: 81-61=20 Exploring Operation: 81-70=11, Resulting Numbers: [61, 30, 11] Generated Node #0,1: 60:[61, 30, 11] Operation: 81-70=11 Exploring Operation: 81-30=51, Resulting Numbers: [70, 61, 51] Generated Node #0,2: 60:[70, 61, 51] Operation: 81-30=51 Moving to Node #0,1 Current State: 60:[61, 30, 11], Operations: ['81-70=11'] Exploring Operation: 30-11=19, Resulting Numbers: [61, 19] Generated Node #0,1,0: 60:[61, 19] Operation: 30-11=19 Exploring Operation: 61-11=50, Resulting Numbers: [30, 50] Generated Node #0,1,1: 60:[30, 50] Operation: 61-11=50 Exploring Operation: 61-30=31, Resulting Numbers: [11, 31] Generated Node #0,1,2: 60:[11, 31] Operation: 61-30=31 Moving to Node #0,0 Current State: 60:[70, 30, 20], Operations: ['81-61=20'] Exploring Operation: 70-20=50, Resulting Numbers: [30, 50] Generated Node #0,0,0: 60:[30, 50] Operation: 70-20=50 Exploring Operation: 30-20=10, Resulting Numbers: [70, 10] Generated Node #0,0,1: 60:[70, 10] Operation: 30-20=10 Exploring Operation: 70-30=40, Resulting Numbers: [20, 40] Generated Node #0,0,2: 60:[20, 40] Operation: 70-30=40 Moving to Node #0,2 Current State: 60:[70, 61, 51], Operations: ['81-30=51'] Exploring Operation: 70-61=9, Resulting Numbers: [51, 9] Generated Node #0,2,0: 60:[51, 9] Operation: 70-61=9 Exploring Operation: 70-51=19, Resulting Numbers: [61, 19] Generated Node #0,2,1: 60:[61, 19] Operation: 70-51=19 Exploring Operation: 61-51=10, Resulting Numbers: [70, 10] Generated Node #0,2,2: 60:[70, 10] Operation: 61-51=10 Moving to Node #0,1,0 Current State: 60:[61, 19], Operations: ['81-70=11', '30-11=19'] Exploring Operation: 61+19=80, Resulting Numbers: [80] 80,60 unequal: No Solution Exploring Operation: 61-19=42, Resulting Numbers: [42] 42,60 unequal: No Solution Exploring Operation: 61*19=1159, Resulting Numbers: [1159] 1159,60 unequal: No Solution Moving to Node #0,2,1 Current State: 60:[61, 19], Operations: ['81-30=51', '70-51=19'] Exploring Operation: 61+19=80, Resulting Numbers: [80] 80,60 unequal: No Solution Exploring Operation: 61*19=1159, Resulting Numbers: [1159] 1159,60 unequal: No Solution Exploring Operation: 61-19=42, Resulting Numbers: [42] 42,60 unequal: No Solution Moving to Node #0,1,2 Current State: 60:[11, 31], Operations: ['81-70=11', '61-30=31'] Exploring Operation: 11+31=42, Resulting Numbers: [42] 42,60 unequal: No Solution Exploring Operation: 11*31=341, Resulting Numbers: [341] 341,60 unequal: No Solution Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[30, 50], Operations: ['81-70=11', '61-11=50'] Exploring Operation: 30+50=80, Resulting Numbers: [80] 80,60 unequal: No Solution Exploring Operation: 50-30=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 30*50=1500, Resulting Numbers: [1500] 1500,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[20, 40], Operations: ['81-61=20', '70-30=40'] Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,60 unequal: No Solution Exploring Operation: 20+40=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[70, 61, 81, 30], Operations: [] Exploring Operation: 81-61=20, Resulting Numbers: [70, 30, 20] Generated Node #0,0: 60:[70, 30, 20] Operation: 81-61=20 Moving to Node #0,0 Current State: 60:[70, 30, 20], Operations: ['81-61=20'] Exploring Operation: 70-30=40, Resulting Numbers: [20, 40] Generated Node #0,0,2: 60:[20, 40] Operation: 70-30=40 Moving to Node #0,0,2 Current State: 60:[20, 40], Operations: ['81-61=20', '70-30=40'] Exploring Operation: 20+40=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
0.97309
hs_3
sum_heuristic
[ 74, 52, 92, 16 ]
86
[ "74-52=22", "92+16=108", "108-22=86" ]
Current State: 86:[74, 52, 92, 16], Operations: [] Exploring Operation: 74-52=22, Resulting Numbers: [92, 16, 22] Generated Node #2: [92, 16, 22] from Operation: 74-52=22 Current State: 86:[92, 16, 22], Operations: ['74-52=22'] Exploring Operation: 92+16=108, Resulting Numbers: [22, 108] Generated Node #3: [22, 108] from Operation: 92+16=108 Current State: 86:[22, 108], Operations: ['74-52=22', '92+16=108'] Exploring Operation: 108-22=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[74, 52, 92, 16], Operations: [] Exploring Operation: 52-16=36, Resulting Numbers: [74, 92, 36] Generated Node #0,0: 86:[74, 92, 36] Operation: 52-16=36 Exploring Operation: 92-52=40, Resulting Numbers: [74, 16, 40] Generated Node #0,1: 86:[74, 16, 40] Operation: 92-52=40 Exploring Operation: 74+16=90, Resulting Numbers: [52, 92, 90] Generated Node #0,2: 86:[52, 92, 90] Operation: 74+16=90 Start Sub Search at level 1: Moving to Node #0,2 Current State: 86:[52, 92, 90], Operations: ['74+16=90'] Exploring Operation: 92-52=40, Resulting Numbers: [90, 40] Generated Node #0,2,0: 86:[90, 40] Operation: 92-52=40 Exploring Operation: 92-90=2, Resulting Numbers: [52, 2] Generated Node #0,2,1: 86:[52, 2] Operation: 92-90=2 Exploring Operation: 90-52=38, Resulting Numbers: [92, 38] Generated Node #0,2,2: 86:[92, 38] Operation: 90-52=38 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 86:[90, 40], Operations: ['74+16=90', '92-52=40'] Exploring Operation: 90-40=50, Resulting Numbers: [50] 50,86 unequal: No Solution Exploring Operation: 90*40=3600, Resulting Numbers: [3600] 3600,86 unequal: No Solution Exploring Operation: 90+40=130, Resulting Numbers: [130] 130,86 unequal: No Solution No 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: 86:[52, 2], Operations: ['74+16=90', '92-90=2'] Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,86 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,86 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,86 unequal: No Solution No 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: 86:[92, 38], Operations: ['74+16=90', '90-52=38'] Exploring Operation: 92*38=3496, Resulting Numbers: [3496] 3496,86 unequal: No Solution Exploring Operation: 92+38=130, Resulting Numbers: [130] 130,86 unequal: No Solution Exploring Operation: 92-38=54, Resulting Numbers: [54] 54,86 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: 86:[74, 92, 36], Operations: ['52-16=36'] Exploring Operation: 74-36=38, Resulting Numbers: [92, 38] Generated Node #0,0,0: 86:[92, 38] Operation: 74-36=38 Exploring Operation: 92-36=56, Resulting Numbers: [74, 56] Generated Node #0,0,1: 86:[74, 56] Operation: 92-36=56 Exploring Operation: 92-74=18, Resulting Numbers: [36, 18] Generated Node #0,0,2: 86:[36, 18] Operation: 92-74=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 86:[92, 38], Operations: ['52-16=36', '74-36=38'] Exploring Operation: 92-38=54, Resulting Numbers: [54] 54,86 unequal: No Solution Exploring Operation: 92+38=130, Resulting Numbers: [130] 130,86 unequal: No Solution Exploring Operation: 92*38=3496, Resulting Numbers: [3496] 3496,86 unequal: No Solution No 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: 86:[36, 18], Operations: ['52-16=36', '92-74=18'] Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,86 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,86 unequal: No Solution Exploring Operation: 36+18=54, Resulting Numbers: [54] 54,86 unequal: No Solution No 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: 86:[74, 56], Operations: ['52-16=36', '92-36=56'] Exploring Operation: 74-56=18, Resulting Numbers: [18] 18,86 unequal: No Solution Exploring Operation: 74*56=4144, Resulting Numbers: [4144] 4144,86 unequal: No Solution Exploring Operation: 74+56=130, Resulting Numbers: [130] 130,86 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: 86:[74, 16, 40], Operations: ['92-52=40'] Exploring Operation: 74-40=34, Resulting Numbers: [16, 34] Generated Node #0,1,0: 86:[16, 34] Operation: 74-40=34 Exploring Operation: 74-16=58, Resulting Numbers: [40, 58] Generated Node #0,1,1: 86:[40, 58] Operation: 74-16=58 Exploring Operation: 74+16=90, Resulting Numbers: [40, 90] Generated Node #0,1,2: 86:[40, 90] Operation: 74+16=90 Moving to Node #0,1,2 Current State: 86:[40, 90], Operations: ['92-52=40', '74+16=90'] Exploring Operation: 40*90=3600, Resulting Numbers: [3600] 3600,86 unequal: No Solution Exploring Operation: 40+90=130, Resulting Numbers: [130] 130,86 unequal: No Solution Exploring Operation: 90-40=50, Resulting Numbers: [50] 50,86 unequal: No Solution Moving to Node #0,1,1 Current State: 86:[40, 58], Operations: ['92-52=40', '74-16=58'] Exploring Operation: 58-40=18, Resulting Numbers: [18] 18,86 unequal: No Solution Exploring Operation: 40+58=98, Resulting Numbers: [98] 98,86 unequal: No Solution Exploring Operation: 40*58=2320, Resulting Numbers: [2320] 2320,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[16, 34], Operations: ['92-52=40', '74-40=34'] Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,86 unequal: No Solution Exploring Operation: 16+34=50, Resulting Numbers: [50] 50,86 unequal: No Solution Exploring Operation: 16*34=544, Resulting Numbers: [544] 544,86 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