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
[ 48, 20, 98, 92 ]
12
[ "98-92=6", "48/6=8", "20-8=12" ]
Current State: 12:[48, 20, 98, 92], Operations: [] Exploring Operation: 98-92=6, Resulting Numbers: [48, 20, 6] Generated Node #2: [48, 20, 6] from Operation: 98-92=6 Current State: 12:[48, 20, 6], Operations: ['98-92=6'] Exploring Operation: 48/6=8, Resulting Numbers: [20, 8] Generated Node #3: [20, 8] from Operation: 48/6=8 Current State: 12:[20, 8], Operations: ['98-92=6', '48/6=8'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[48, 20, 98, 92], Operations: [] Exploring Operation: 98-20=78, Resulting Numbers: [48, 92, 78] Generated Node #0,0: 12:[48, 92, 78] Operation: 98-20=78 Exploring Operation: 48-20=28, Resulting Numbers: [98, 92, 28] Generated Node #0,1: 12:[98, 92, 28] Operation: 48-20=28 Exploring Operation: 98-92=6, Resulting Numbers: [48, 20, 6] Generated Node #0,2: 12:[48, 20, 6] Operation: 98-92=6 Exploring Operation: 92-48=44, Resulting Numbers: [20, 98, 44] Generated Node #0,3: 12:[20, 98, 44] Operation: 92-48=44 Exploring Operation: 98-48=50, Resulting Numbers: [20, 92, 50] Generated Node #0,4: 12:[20, 92, 50] Operation: 98-48=50 Moving to Node #0,2 Current State: 12:[48, 20, 6], Operations: ['98-92=6'] Exploring Operation: 48-6=42, Resulting Numbers: [20, 42] Generated Node #0,2,0: 12:[20, 42] Operation: 48-6=42 Exploring Operation: 48+6=54, Resulting Numbers: [20, 54] Generated Node #0,2,1: 12:[20, 54] Operation: 48+6=54 Exploring Operation: 20-6=14, Resulting Numbers: [48, 14] Generated Node #0,2,2: 12:[48, 14] Operation: 20-6=14 Exploring Operation: 48/6=8, Resulting Numbers: [20, 8] Generated Node #0,2,3: 12:[20, 8] Operation: 48/6=8 Exploring Operation: 48-20=28, Resulting Numbers: [6, 28] Generated Node #0,2,4: 12:[6, 28] Operation: 48-20=28 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 12:[20, 8], Operations: ['98-92=6', '48/6=8'] Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[48, 20, 98, 92], Operations: [] Exploring Operation: 98-92=6, Resulting Numbers: [48, 20, 6] Generated Node #0,2: 12:[48, 20, 6] Operation: 98-92=6 Moving to Node #0,2 Current State: 12:[48, 20, 6], Operations: ['98-92=6'] Exploring Operation: 48/6=8, Resulting Numbers: [20, 8] Generated Node #0,2,3: 12:[20, 8] Operation: 48/6=8 Moving to Node #0,2,3 Current State: 12:[20, 8], Operations: ['98-92=6', '48/6=8'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 26, 15, 97, 15 ]
26
[ "15-15=0", "97*0=0", "26+0=26" ]
Current State: 26:[26, 15, 97, 15], Operations: [] Exploring Operation: 15-15=0, Resulting Numbers: [26, 97, 0] Generated Node #2: [26, 97, 0] from Operation: 15-15=0 Current State: 26:[26, 97, 0], Operations: ['15-15=0'] Exploring Operation: 97*0=0, Resulting Numbers: [26, 0] Generated Node #3: [26, 0] from Operation: 97*0=0 Current State: 26:[26, 0], Operations: ['15-15=0', '97*0=0'] Exploring Operation: 26+0=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[26, 15, 97, 15], Operations: [] Exploring Operation: 97-26=71, Resulting Numbers: [15, 15, 71] Generated Node #0,0: 26:[15, 15, 71] Operation: 97-26=71 Exploring Operation: 97-15=82, Resulting Numbers: [26, 15, 82] Generated Node #0,1: 26:[26, 15, 82] Operation: 97-15=82 Exploring Operation: 97-15=82, Resulting Numbers: [26, 15, 82] Generated Node #0,2: 26:[26, 15, 82] Operation: 97-15=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[15, 15, 71], Operations: ['97-26=71'] Exploring Operation: 71-15=56, Resulting Numbers: [15, 56] Generated Node #0,0,0: 26:[15, 56] Operation: 71-15=56 Exploring Operation: 71-15=56, Resulting Numbers: [15, 56] Generated Node #0,0,1: 26:[15, 56] Operation: 71-15=56 Exploring Operation: 15/15=1, Resulting Numbers: [71, 1] Generated Node #0,0,2: 26:[71, 1] Operation: 15/15=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[15, 56], Operations: ['97-26=71', '71-15=56'] Exploring Operation: 15*56=840, Resulting Numbers: [840] 840,26 unequal: No Solution Exploring Operation: 15+56=71, Resulting Numbers: [71] 71,26 unequal: No Solution Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 26:[15, 56], Operations: ['97-26=71', '71-15=56'] Exploring Operation: 15*56=840, Resulting Numbers: [840] 840,26 unequal: No Solution Exploring Operation: 15+56=71, Resulting Numbers: [71] 71,26 unequal: No Solution Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 26:[71, 1], Operations: ['97-26=71', '15/15=1'] Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,26 unequal: No Solution Exploring Operation: 71*1=71, Resulting Numbers: [71] 71,26 unequal: No Solution Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[26, 15, 82], Operations: ['97-15=82'] Exploring Operation: 82-15=67, Resulting Numbers: [26, 67] Generated Node #0,1,0: 26:[26, 67] Operation: 82-15=67 Exploring Operation: 26-15=11, Resulting Numbers: [82, 11] Generated Node #0,1,1: 26:[82, 11] Operation: 26-15=11 Exploring Operation: 82-26=56, Resulting Numbers: [15, 56] Generated Node #0,1,2: 26:[15, 56] Operation: 82-26=56 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 26:[15, 56], Operations: ['97-15=82', '82-26=56'] Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 15+56=71, Resulting Numbers: [71] 71,26 unequal: No Solution Exploring Operation: 15*56=840, Resulting Numbers: [840] 840,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 26:[26, 67], Operations: ['97-15=82', '82-15=67'] Exploring Operation: 26*67=1742, Resulting Numbers: [1742] 1742,26 unequal: No Solution Exploring Operation: 26+67=93, Resulting Numbers: [93] 93,26 unequal: No Solution Exploring Operation: 67-26=41, Resulting Numbers: [41] 41,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 26:[82, 11], Operations: ['97-15=82', '26-15=11'] Exploring Operation: 82+11=93, Resulting Numbers: [93] 93,26 unequal: No Solution Exploring Operation: 82-11=71, Resulting Numbers: [71] 71,26 unequal: No Solution Exploring Operation: 82*11=902, Resulting Numbers: [902] 902,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 26:[26, 15, 82], Operations: ['97-15=82'] Exploring Operation: 26-15=11, Resulting Numbers: [82, 11] Generated Node #0,2,0: 26:[82, 11] Operation: 26-15=11 Exploring Operation: 82-15=67, Resulting Numbers: [26, 67] Generated Node #0,2,1: 26:[26, 67] Operation: 82-15=67 Exploring Operation: 82-26=56, Resulting Numbers: [15, 56] Generated Node #0,2,2: 26:[15, 56] Operation: 82-26=56 Moving to Node #0,2,2 Current State: 26:[15, 56], Operations: ['97-15=82', '82-26=56'] Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,26 unequal: No Solution Exploring Operation: 15*56=840, Resulting Numbers: [840] 840,26 unequal: No Solution Exploring Operation: 15+56=71, Resulting Numbers: [71] 71,26 unequal: No Solution Moving to Node #0,2,1 Current State: 26:[26, 67], Operations: ['97-15=82', '82-15=67'] Exploring Operation: 26+67=93, Resulting Numbers: [93] 93,26 unequal: No Solution Exploring Operation: 26*67=1742, Resulting Numbers: [1742] 1742,26 unequal: No Solution Exploring Operation: 67-26=41, Resulting Numbers: [41] 41,26 unequal: No Solution Moving to Node #0,2,0 Current State: 26:[82, 11], Operations: ['97-15=82', '26-15=11'] Exploring Operation: 82*11=902, Resulting Numbers: [902] 902,26 unequal: No Solution Exploring Operation: 82+11=93, Resulting Numbers: [93] 93,26 unequal: No Solution Exploring Operation: 82-11=71, Resulting Numbers: [71] 71,26 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
[ 3, 16, 71, 46 ]
55
[ "71+46=117", "117/3=39", "16+39=55" ]
Current State: 55:[3, 16, 71, 46], Operations: [] Exploring Operation: 71+46=117, Resulting Numbers: [3, 16, 117] Generated Node #2: [3, 16, 117] from Operation: 71+46=117 Current State: 55:[3, 16, 117], Operations: ['71+46=117'] Exploring Operation: 117/3=39, Resulting Numbers: [16, 39] Generated Node #3: [16, 39] from Operation: 117/3=39 Current State: 55:[16, 39], Operations: ['71+46=117', '117/3=39'] Exploring Operation: 16+39=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[3, 16, 71, 46], Operations: [] Exploring Operation: 71-46=25, Resulting Numbers: [3, 16, 25] Generated Node #0,0: 55:[3, 16, 25] Operation: 71-46=25 Exploring Operation: 16-3=13, Resulting Numbers: [71, 46, 13] Generated Node #0,1: 55:[71, 46, 13] Operation: 16-3=13 Exploring Operation: 71-16=55, Resulting Numbers: [3, 46, 55] Generated Node #0,2: 55:[3, 46, 55] Operation: 71-16=55 Exploring Operation: 16+46=62, Resulting Numbers: [3, 71, 62] Generated Node #0,3: 55:[3, 71, 62] Operation: 16+46=62 Moving to Node #0,2 Current State: 55:[3, 46, 55], Operations: ['71-16=55'] Exploring Operation: 3+55=58, Resulting Numbers: [46, 58] Generated Node #0,2,0: 55:[46, 58] Operation: 3+55=58 Exploring Operation: 3+46=49, Resulting Numbers: [55, 49] Generated Node #0,2,1: 55:[55, 49] Operation: 3+46=49 Exploring Operation: 55-46=9, Resulting Numbers: [3, 9] Generated Node #0,2,2: 55:[3, 9] Operation: 55-46=9 Exploring Operation: 46-3=43, Resulting Numbers: [55, 43] Generated Node #0,2,3: 55:[55, 43] Operation: 46-3=43 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 55:[3, 9], Operations: ['71-16=55', '55-46=9'] Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 55:[55, 49], Operations: ['71-16=55', '3+46=49'] Exploring Operation: 55+49=104, Resulting Numbers: [104] 104,55 unequal: No Solution Exploring Operation: 55*49=2695, Resulting Numbers: [2695] 2695,55 unequal: No Solution Exploring Operation: 55-49=6, Resulting Numbers: [6] 6,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 55:[46, 58], Operations: ['71-16=55', '3+55=58'] Exploring Operation: 46*58=2668, Resulting Numbers: [2668] 2668,55 unequal: No Solution Exploring Operation: 46+58=104, Resulting Numbers: [104] 104,55 unequal: No Solution Exploring Operation: 58-46=12, Resulting Numbers: [12] 12,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 55:[55, 43], Operations: ['71-16=55', '46-3=43'] Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 55*43=2365, Resulting Numbers: [2365] 2365,55 unequal: No Solution Exploring Operation: 55+43=98, Resulting Numbers: [98] 98,55 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: 55:[3, 16, 25], Operations: ['71-46=25'] Exploring Operation: 16-3=13, Resulting Numbers: [25, 13] Generated Node #0,0,0: 55:[25, 13] Operation: 16-3=13 Exploring Operation: 25-3=22, Resulting Numbers: [16, 22] Generated Node #0,0,1: 55:[16, 22] Operation: 25-3=22 Exploring Operation: 16+25=41, Resulting Numbers: [3, 41] Generated Node #0,0,2: 55:[3, 41] Operation: 16+25=41 Exploring Operation: 25-16=9, Resulting Numbers: [3, 9] Generated Node #0,0,3: 55:[3, 9] Operation: 25-16=9 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 55:[3, 9], Operations: ['71-46=25', '25-16=9'] Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 55:[25, 13], Operations: ['71-46=25', '16-3=13'] Exploring Operation: 25*13=325, Resulting Numbers: [325] 325,55 unequal: No Solution Exploring Operation: 25+13=38, Resulting Numbers: [38] 38,55 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 55:[16, 22], Operations: ['71-46=25', '25-3=22'] Exploring Operation: 16+22=38, Resulting Numbers: [38] 38,55 unequal: No Solution Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 16*22=352, Resulting Numbers: [352] 352,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 55:[3, 41], Operations: ['71-46=25', '16+25=41'] Exploring Operation: 3*41=123, Resulting Numbers: [123] 123,55 unequal: No Solution Exploring Operation: 3+41=44, Resulting Numbers: [44] 44,55 unequal: No Solution Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,55 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: 55:[3, 71, 62], Operations: ['16+46=62'] Exploring Operation: 71-3=68, Resulting Numbers: [62, 68] Generated Node #0,3,0: 55:[62, 68] Operation: 71-3=68 Exploring Operation: 71-62=9, Resulting Numbers: [3, 9] Generated Node #0,3,1: 55:[3, 9] Operation: 71-62=9 Exploring Operation: 3+71=74, Resulting Numbers: [62, 74] Generated Node #0,3,2: 55:[62, 74] Operation: 3+71=74 Exploring Operation: 62-3=59, Resulting Numbers: [71, 59] Generated Node #0,3,3: 55:[71, 59] Operation: 62-3=59 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 55:[3, 9], Operations: ['16+46=62', '71-62=9'] Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,55 unequal: No Solution Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 55:[62, 68], Operations: ['16+46=62', '71-3=68'] Exploring Operation: 62*68=4216, Resulting Numbers: [4216] 4216,55 unequal: No Solution Exploring Operation: 62+68=130, Resulting Numbers: [130] 130,55 unequal: No Solution Exploring Operation: 68-62=6, Resulting Numbers: [6] 6,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 55:[71, 59], Operations: ['16+46=62', '62-3=59'] Exploring Operation: 71-59=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 71+59=130, Resulting Numbers: [130] 130,55 unequal: No Solution Exploring Operation: 71*59=4189, Resulting Numbers: [4189] 4189,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 55:[62, 74], Operations: ['16+46=62', '3+71=74'] Exploring Operation: 62+74=136, Resulting Numbers: [136] 136,55 unequal: No Solution Exploring Operation: 62*74=4588, Resulting Numbers: [4588] 4588,55 unequal: No Solution Exploring Operation: 74-62=12, Resulting Numbers: [12] 12,55 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: 55:[71, 46, 13], Operations: ['16-3=13'] Exploring Operation: 46+13=59, Resulting Numbers: [71, 59] Generated Node #0,1,0: 55:[71, 59] Operation: 46+13=59 Exploring Operation: 71-46=25, Resulting Numbers: [13, 25] Generated Node #0,1,1: 55:[13, 25] Operation: 71-46=25 Exploring Operation: 71+13=84, Resulting Numbers: [46, 84] Generated Node #0,1,2: 55:[46, 84] Operation: 71+13=84 Exploring Operation: 71-13=58, Resulting Numbers: [46, 58] Generated Node #0,1,3: 55:[46, 58] Operation: 71-13=58 Moving to Node #0,1,3 Current State: 55:[46, 58], Operations: ['16-3=13', '71-13=58'] Exploring Operation: 58-46=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 46+58=104, Resulting Numbers: [104] 104,55 unequal: No Solution Exploring Operation: 46*58=2668, Resulting Numbers: [2668] 2668,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[13, 25], Operations: ['16-3=13', '71-46=25'] Exploring Operation: 13*25=325, Resulting Numbers: [325] 325,55 unequal: No Solution Exploring Operation: 13+25=38, Resulting Numbers: [38] 38,55 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,55 unequal: No Solution Moving to Node #0,1,0 Current State: 55:[71, 59], Operations: ['16-3=13', '46+13=59'] Exploring Operation: 71*59=4189, Resulting Numbers: [4189] 4189,55 unequal: No Solution Exploring Operation: 71-59=12, Resulting Numbers: [12] 12,55 unequal: No Solution Exploring Operation: 71+59=130, Resulting Numbers: [130] 130,55 unequal: No Solution Moving to Node #0,1,2 Current State: 55:[46, 84], Operations: ['16-3=13', '71+13=84'] Exploring Operation: 46*84=3864, Resulting Numbers: [3864] 3864,55 unequal: No Solution Exploring Operation: 46+84=130, Resulting Numbers: [130] 130,55 unequal: No Solution Exploring Operation: 84-46=38, Resulting Numbers: [38] 38,55 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 46, 72, 94, 95 ]
47
[ "95-72=23", "46/23=2", "94/2=47" ]
Current State: 47:[46, 72, 94, 95], Operations: [] Exploring Operation: 95-72=23, Resulting Numbers: [46, 94, 23] Generated Node #2: [46, 94, 23] from Operation: 95-72=23 Current State: 47:[46, 94, 23], Operations: ['95-72=23'] Exploring Operation: 46/23=2, Resulting Numbers: [94, 2] Generated Node #3: [94, 2] from Operation: 46/23=2 Current State: 47:[94, 2], Operations: ['95-72=23', '46/23=2'] Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[46, 72, 94, 95], Operations: [] Exploring Operation: 95-72=23, Resulting Numbers: [46, 94, 23] Generated Node #0,0: 47:[46, 94, 23] Operation: 95-72=23 Exploring Operation: 95-94=1, Resulting Numbers: [46, 72, 1] Generated Node #0,1: 47:[46, 72, 1] Operation: 95-94=1 Moving to Node #0,0 Current State: 47:[46, 94, 23], Operations: ['95-72=23'] Exploring Operation: 94-46=48, Resulting Numbers: [23, 48] Generated Node #0,0,0: 47:[23, 48] Operation: 94-46=48 Exploring Operation: 94-23=71, Resulting Numbers: [46, 71] Generated Node #0,0,1: 47:[46, 71] Operation: 94-23=71 Moving to Node #0,1 Current State: 47:[46, 72, 1], Operations: ['95-94=1'] Exploring Operation: 46+1=47, Resulting Numbers: [72, 47] Generated Node #0,1,0: 47:[72, 47] Operation: 46+1=47 Exploring Operation: 72-1=71, Resulting Numbers: [46, 71] Generated Node #0,1,1: 47:[46, 71] Operation: 72-1=71 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[72, 47], Operations: ['95-94=1', '46+1=47'] Exploring Operation: 72-47=25, Resulting Numbers: [25] 25,47 unequal: No Solution Exploring Operation: 72+47=119, Resulting Numbers: [119] 119,47 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 #0,1,1 Current State: 47:[46, 71], Operations: ['95-94=1', '72-1=71'] Exploring Operation: 71-46=25, Resulting Numbers: [25] 25,47 unequal: No Solution Exploring Operation: 46+71=117, Resulting Numbers: [117] 117,47 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: 47:[23, 48], Operations: ['95-72=23', '94-46=48'] Exploring Operation: 23+48=71, Resulting Numbers: [71] 71,47 unequal: No Solution Exploring Operation: 48-23=25, Resulting Numbers: [25] 25,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[46, 71], Operations: ['95-72=23', '94-23=71'] Exploring Operation: 46+71=117, Resulting Numbers: [117] 117,47 unequal: No Solution Exploring Operation: 71-46=25, Resulting Numbers: [25] 25,47 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 2, 9, 33, 63 ]
89
[ "9-2=7", "33+63=96", "96-7=89" ]
Current State: 89:[2, 9, 33, 63], Operations: [] Exploring Operation: 9-2=7, Resulting Numbers: [33, 63, 7] Generated Node #2: [33, 63, 7] from Operation: 9-2=7 Current State: 89:[33, 63, 7], Operations: ['9-2=7'] Exploring Operation: 33+63=96, Resulting Numbers: [7, 96] Generated Node #3: [7, 96] from Operation: 33+63=96 Current State: 89:[7, 96], Operations: ['9-2=7', '33+63=96'] Exploring Operation: 96-7=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[2, 9, 33, 63], Operations: [] Exploring Operation: 2*33=66, Resulting Numbers: [9, 63, 66] Generated Node #0,0: 89:[9, 63, 66] Operation: 2*33=66 Exploring Operation: 2*9=18, Resulting Numbers: [33, 63, 18] Generated Node #0,1: 89:[33, 63, 18] Operation: 2*9=18 Exploring Operation: 2+33=35, Resulting Numbers: [9, 63, 35] Generated Node #0,2: 89:[9, 63, 35] Operation: 2+33=35 Exploring Operation: 2+63=65, Resulting Numbers: [9, 33, 65] Generated Node #0,3: 89:[9, 33, 65] Operation: 2+63=65 Exploring Operation: 2+9=11, Resulting Numbers: [33, 63, 11] Generated Node #0,4: 89:[33, 63, 11] Operation: 2+9=11 Moving to Node #0,0 Current State: 89:[9, 63, 66], Operations: ['2*33=66'] Exploring Operation: 66-9=57, Resulting Numbers: [63, 57] Generated Node #0,0,0: 89:[63, 57] Operation: 66-9=57 Exploring Operation: 63/9=7, Resulting Numbers: [66, 7] Generated Node #0,0,1: 89:[66, 7] Operation: 63/9=7 Exploring Operation: 9+63=72, Resulting Numbers: [66, 72] Generated Node #0,0,2: 89:[66, 72] Operation: 9+63=72 Exploring Operation: 63-9=54, Resulting Numbers: [66, 54] Generated Node #0,0,3: 89:[66, 54] Operation: 63-9=54 Exploring Operation: 9+66=75, Resulting Numbers: [63, 75] Generated Node #0,0,4: 89:[63, 75] Operation: 9+66=75 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 89:[66, 72], Operations: ['2*33=66', '9+63=72'] Exploring Operation: 72-66=6, Resulting Numbers: [6] 6,89 unequal: No Solution Exploring Operation: 66*72=4752, Resulting Numbers: [4752] 4752,89 unequal: No Solution Exploring Operation: 66+72=138, Resulting Numbers: [138] 138,89 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 #0,0,4 Current State: 89:[63, 75], Operations: ['2*33=66', '9+66=75'] Exploring Operation: 75-63=12, Resulting Numbers: [12] 12,89 unequal: No Solution Exploring Operation: 63*75=4725, Resulting Numbers: [4725] 4725,89 unequal: No Solution Exploring Operation: 63+75=138, Resulting Numbers: [138] 138,89 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 #0,0,0 Current State: 89:[63, 57], Operations: ['2*33=66', '66-9=57'] Exploring Operation: 63-57=6, Resulting Numbers: [6] 6,89 unequal: No Solution Exploring Operation: 63+57=120, Resulting Numbers: [120] 120,89 unequal: No Solution Exploring Operation: 63*57=3591, Resulting Numbers: [3591] 3591,89 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 #0,0,3 Current State: 89:[66, 54], Operations: ['2*33=66', '63-9=54'] Exploring Operation: 66*54=3564, Resulting Numbers: [3564] 3564,89 unequal: No Solution Exploring Operation: 66+54=120, Resulting Numbers: [120] 120,89 unequal: No Solution Exploring Operation: 66-54=12, Resulting Numbers: [12] 12,89 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 #0,0,1 Current State: 89:[66, 7], Operations: ['2*33=66', '63/9=7'] Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,89 unequal: No Solution Exploring Operation: 66*7=462, Resulting Numbers: [462] 462,89 unequal: No Solution Exploring Operation: 66+7=73, Resulting Numbers: [73] 73,89 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: 89:[33, 63, 18], Operations: ['2*9=18'] Exploring Operation: 33+18=51, Resulting Numbers: [63, 51] Generated Node #0,1,0: 89:[63, 51] Operation: 33+18=51 Exploring Operation: 33+63=96, Resulting Numbers: [18, 96] Generated Node #0,1,1: 89:[18, 96] Operation: 33+63=96 Exploring Operation: 63-18=45, Resulting Numbers: [33, 45] Generated Node #0,1,2: 89:[33, 45] Operation: 63-18=45 Exploring Operation: 63+18=81, Resulting Numbers: [33, 81] Generated Node #0,1,3: 89:[33, 81] Operation: 63+18=81 Exploring Operation: 33-18=15, Resulting Numbers: [63, 15] Generated Node #0,1,4: 89:[63, 15] Operation: 33-18=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[63, 51], Operations: ['2*9=18', '33+18=51'] Exploring Operation: 63+51=114, Resulting Numbers: [114] 114,89 unequal: No Solution Exploring Operation: 63-51=12, Resulting Numbers: [12] 12,89 unequal: No Solution Exploring Operation: 63*51=3213, Resulting Numbers: [3213] 3213,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 89:[33, 81], Operations: ['2*9=18', '63+18=81'] Exploring Operation: 33+81=114, Resulting Numbers: [114] 114,89 unequal: No Solution Exploring Operation: 33*81=2673, Resulting Numbers: [2673] 2673,89 unequal: No Solution Exploring Operation: 81-33=48, Resulting Numbers: [48] 48,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[18, 96], Operations: ['2*9=18', '33+63=96'] Exploring Operation: 96-18=78, Resulting Numbers: [78] 78,89 unequal: No Solution Exploring Operation: 18+96=114, Resulting Numbers: [114] 114,89 unequal: No Solution Exploring Operation: 18*96=1728, Resulting Numbers: [1728] 1728,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 89:[33, 45], Operations: ['2*9=18', '63-18=45'] Exploring Operation: 33+45=78, Resulting Numbers: [78] 78,89 unequal: No Solution Exploring Operation: 45-33=12, Resulting Numbers: [12] 12,89 unequal: No Solution Exploring Operation: 33*45=1485, Resulting Numbers: [1485] 1485,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 89:[63, 15], Operations: ['2*9=18', '33-18=15'] Exploring Operation: 63-15=48, Resulting Numbers: [48] 48,89 unequal: No Solution Exploring Operation: 63*15=945, Resulting Numbers: [945] 945,89 unequal: No Solution Exploring Operation: 63+15=78, Resulting Numbers: [78] 78,89 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: 89:[9, 63, 35], Operations: ['2+33=35'] Exploring Operation: 63+35=98, Resulting Numbers: [9, 98] Generated Node #0,2,0: 89:[9, 98] Operation: 63+35=98 Exploring Operation: 9+63=72, Resulting Numbers: [35, 72] Generated Node #0,2,1: 89:[35, 72] Operation: 9+63=72 Exploring Operation: 63-9=54, Resulting Numbers: [35, 54] Generated Node #0,2,2: 89:[35, 54] Operation: 63-9=54 Exploring Operation: 35-9=26, Resulting Numbers: [63, 26] Generated Node #0,2,3: 89:[63, 26] Operation: 35-9=26 Exploring Operation: 9+35=44, Resulting Numbers: [63, 44] Generated Node #0,2,4: 89:[63, 44] Operation: 9+35=44 Moving to Node #0,3 Current State: 89:[9, 33, 65], Operations: ['2+63=65'] Exploring Operation: 9+65=74, Resulting Numbers: [33, 74] Generated Node #0,3,0: 89:[33, 74] Operation: 9+65=74 Exploring Operation: 33+65=98, Resulting Numbers: [9, 98] Generated Node #0,3,1: 89:[9, 98] Operation: 33+65=98 Exploring Operation: 33-9=24, Resulting Numbers: [65, 24] Generated Node #0,3,2: 89:[65, 24] Operation: 33-9=24 Exploring Operation: 65-9=56, Resulting Numbers: [33, 56] Generated Node #0,3,3: 89:[33, 56] Operation: 65-9=56 Exploring Operation: 9+33=42, Resulting Numbers: [65, 42] Generated Node #0,3,4: 89:[65, 42] Operation: 9+33=42 Moving to Node #0,4 Current State: 89:[33, 63, 11], Operations: ['2+9=11'] Exploring Operation: 33-11=22, Resulting Numbers: [63, 22] Generated Node #0,4,0: 89:[63, 22] Operation: 33-11=22 Exploring Operation: 33+63=96, Resulting Numbers: [11, 96] Generated Node #0,4,1: 89:[11, 96] Operation: 33+63=96 Exploring Operation: 63+11=74, Resulting Numbers: [33, 74] Generated Node #0,4,2: 89:[33, 74] Operation: 63+11=74 Exploring Operation: 33+11=44, Resulting Numbers: [63, 44] Generated Node #0,4,3: 89:[63, 44] Operation: 33+11=44 Exploring Operation: 63-11=52, Resulting Numbers: [33, 52] Generated Node #0,4,4: 89:[33, 52] Operation: 63-11=52 Moving to Node #0,2,1 Current State: 89:[35, 72], Operations: ['2+33=35', '9+63=72'] Exploring Operation: 35+72=107, Resulting Numbers: [107] 107,89 unequal: No Solution Exploring Operation: 72-35=37, Resulting Numbers: [37] 37,89 unequal: No Solution Exploring Operation: 35*72=2520, Resulting Numbers: [2520] 2520,89 unequal: No Solution Moving to Node #0,3,0 Current State: 89:[33, 74], Operations: ['2+63=65', '9+65=74'] Exploring Operation: 74-33=41, Resulting Numbers: [41] 41,89 unequal: No Solution Exploring Operation: 33*74=2442, Resulting Numbers: [2442] 2442,89 unequal: No Solution Exploring Operation: 33+74=107, Resulting Numbers: [107] 107,89 unequal: No Solution Moving to Node #0,3,4 Current State: 89:[65, 42], Operations: ['2+63=65', '9+33=42'] Exploring Operation: 65-42=23, Resulting Numbers: [23] 23,89 unequal: No Solution Exploring Operation: 65*42=2730, Resulting Numbers: [2730] 2730,89 unequal: No Solution Exploring Operation: 65+42=107, Resulting Numbers: [107] 107,89 unequal: No Solution Moving to Node #0,4,3 Current State: 89:[63, 44], Operations: ['2+9=11', '33+11=44'] Exploring Operation: 63+44=107, Resulting Numbers: [107] 107,89 unequal: No Solution Exploring Operation: 63-44=19, Resulting Numbers: [19] 19,89 unequal: No Solution Exploring Operation: 63*44=2772, Resulting Numbers: [2772] 2772,89 unequal: No Solution Moving to Node #0,2,4 Current State: 89:[63, 44], Operations: ['2+33=35', '9+35=44'] Exploring Operation: 63+44=107, Resulting Numbers: [107] 107,89 unequal: No Solution Exploring Operation: 63-44=19, Resulting Numbers: [19] 19,89 unequal: No Solution Exploring Operation: 63*44=2772, Resulting Numbers: [2772] 2772,89 unequal: No Solution Moving to Node #0,4,2 Current State: 89:[33, 74], Operations: ['2+9=11', '63+11=74'] Exploring Operation: 33+74=107, Resulting Numbers: [107] 107,89 unequal: No Solution Exploring Operation: 33*74=2442, Resulting Numbers: [2442] 2442,89 unequal: No Solution Exploring Operation: 74-33=41, Resulting Numbers: [41] 41,89 unequal: No Solution Moving to Node #0,4,1 Current State: 89:[11, 96], Operations: ['2+9=11', '33+63=96'] Exploring Operation: 11*96=1056, Resulting Numbers: [1056] 1056,89 unequal: No Solution Exploring Operation: 11+96=107, Resulting Numbers: [107] 107,89 unequal: No Solution Exploring Operation: 96-11=85, Resulting Numbers: [85] 85,89 unequal: No Solution Moving to Node #0,2,0 Current State: 89:[9, 98], Operations: ['2+33=35', '63+35=98'] Exploring Operation: 9*98=882, Resulting Numbers: [882] 882,89 unequal: No Solution Exploring Operation: 9+98=107, Resulting Numbers: [107] 107,89 unequal: No Solution Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[2, 9, 33, 63], Operations: [] Exploring Operation: 2+33=35, Resulting Numbers: [9, 63, 35] Generated Node #0,2: 89:[9, 63, 35] Operation: 2+33=35 Moving to Node #0,2 Current State: 89:[9, 63, 35], Operations: ['2+33=35'] Exploring Operation: 63+35=98, Resulting Numbers: [9, 98] Generated Node #0,2,0: 89:[9, 98] Operation: 63+35=98 Moving to Node #0,2,0 Current State: 89:[9, 98], Operations: ['2+33=35', '63+35=98'] Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
0.923611
hs_5
sum_heuristic
[ 35, 6, 23, 4 ]
18
[ "35-23=12", "6*12=72", "72/4=18" ]
Current State: 18:[35, 6, 23, 4], Operations: [] Exploring Operation: 35-23=12, Resulting Numbers: [6, 4, 12] Generated Node #2: [6, 4, 12] from Operation: 35-23=12 Current State: 18:[6, 4, 12], Operations: ['35-23=12'] Exploring Operation: 6*12=72, Resulting Numbers: [4, 72] Generated Node #3: [4, 72] from Operation: 6*12=72 Current State: 18:[4, 72], Operations: ['35-23=12', '6*12=72'] Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[35, 6, 23, 4], Operations: [] Exploring Operation: 35-4=31, Resulting Numbers: [6, 23, 31] Generated Node #0,0: 18:[6, 23, 31] Operation: 35-4=31 Exploring Operation: 35-23=12, Resulting Numbers: [6, 4, 12] Generated Node #0,1: 18:[6, 4, 12] Operation: 35-23=12 Exploring Operation: 35-6=29, Resulting Numbers: [23, 4, 29] Generated Node #0,2: 18:[23, 4, 29] Operation: 35-6=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[6, 4, 12], Operations: ['35-23=12'] Exploring Operation: 6+12=18, Resulting Numbers: [4, 18] Generated Node #0,1,0: 18:[4, 18] Operation: 6+12=18 Exploring Operation: 12/4=3, Resulting Numbers: [6, 3] Generated Node #0,1,1: 18:[6, 3] Operation: 12/4=3 Exploring Operation: 12-6=6, Resulting Numbers: [4, 6] Generated Node #0,1,2: 18:[4, 6] Operation: 12-6=6 Moving to Node #0,1,1 Current State: 18:[6, 3], Operations: ['35-23=12', '12/4=3'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,18 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[35, 6, 23, 4], Operations: [] Exploring Operation: 35-23=12, Resulting Numbers: [6, 4, 12] Generated Node #0,1: 18:[6, 4, 12] Operation: 35-23=12 Moving to Node #0,1 Current State: 18:[6, 4, 12], Operations: ['35-23=12'] Exploring Operation: 12/4=3, Resulting Numbers: [6, 3] Generated Node #0,1,1: 18:[6, 3] Operation: 12/4=3 Moving to Node #0,1,1 Current State: 18:[6, 3], Operations: ['35-23=12', '12/4=3'] Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 33, 2, 90, 95 ]
76
[ "90-33=57", "95+57=152", "152/2=76" ]
Current State: 76:[33, 2, 90, 95], Operations: [] Exploring Operation: 90-33=57, Resulting Numbers: [2, 95, 57] Generated Node #2: [2, 95, 57] from Operation: 90-33=57 Current State: 76:[2, 95, 57], Operations: ['90-33=57'] Exploring Operation: 95+57=152, Resulting Numbers: [2, 152] Generated Node #3: [2, 152] from Operation: 95+57=152 Current State: 76:[2, 152], Operations: ['90-33=57', '95+57=152'] Exploring Operation: 152/2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[33, 2, 90, 95], Operations: [] Exploring Operation: 90-2=88, Resulting Numbers: [33, 95, 88] Generated Node #0,0: 76:[33, 95, 88] Operation: 90-2=88 Exploring Operation: 90/2=45, Resulting Numbers: [33, 95, 45] Generated Node #0,1: 76:[33, 95, 45] Operation: 90/2=45 Exploring Operation: 33+2=35, Resulting Numbers: [90, 95, 35] Generated Node #0,2: 76:[90, 95, 35] Operation: 33+2=35 Exploring Operation: 95-90=5, Resulting Numbers: [33, 2, 5] Generated Node #0,3: 76:[33, 2, 5] Operation: 95-90=5 Exploring Operation: 95-33=62, Resulting Numbers: [2, 90, 62] Generated Node #0,4: 76:[2, 90, 62] Operation: 95-33=62 Moving to Node #0,3 Current State: 76:[33, 2, 5], Operations: ['95-90=5'] Exploring Operation: 33+2=35, Resulting Numbers: [5, 35] Generated Node #0,3,0: 76:[5, 35] Operation: 33+2=35 Exploring Operation: 2+5=7, Resulting Numbers: [33, 7] Generated Node #0,3,1: 76:[33, 7] Operation: 2+5=7 Exploring Operation: 33+5=38, Resulting Numbers: [2, 38] Generated Node #0,3,2: 76:[2, 38] Operation: 33+5=38 Exploring Operation: 5-2=3, Resulting Numbers: [33, 3] Generated Node #0,3,3: 76:[33, 3] Operation: 5-2=3 Exploring Operation: 33-2=31, Resulting Numbers: [5, 31] Generated Node #0,3,4: 76:[5, 31] Operation: 33-2=31 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 76:[2, 38], Operations: ['95-90=5', '33+5=38'] Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,76 unequal: No Solution Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[33, 2, 90, 95], Operations: [] Exploring Operation: 95-90=5, Resulting Numbers: [33, 2, 5] Generated Node #0,3: 76:[33, 2, 5] Operation: 95-90=5 Moving to Node #0,3 Current State: 76:[33, 2, 5], Operations: ['95-90=5'] Exploring Operation: 33+5=38, Resulting Numbers: [2, 38] Generated Node #0,3,2: 76:[2, 38] Operation: 33+5=38 Moving to Node #0,3,2 Current State: 76:[2, 38], Operations: ['95-90=5', '33+5=38'] Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 54, 89, 44, 99 ]
65
[ "54*44=2376", "2376/99=24", "89-24=65" ]
Current State: 65:[54, 89, 44, 99], Operations: [] Exploring Operation: 54*44=2376, Resulting Numbers: [89, 99, 2376] Generated Node #2: [89, 99, 2376] from Operation: 54*44=2376 Current State: 65:[89, 99, 2376], Operations: ['54*44=2376'] Exploring Operation: 2376/99=24, Resulting Numbers: [89, 24] Generated Node #3: [89, 24] from Operation: 2376/99=24 Current State: 65:[89, 24], Operations: ['54*44=2376', '2376/99=24'] Exploring Operation: 89-24=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[54, 89, 44, 99], Operations: [] Exploring Operation: 99-89=10, Resulting Numbers: [54, 44, 10] Generated Node #0,0: 65:[54, 44, 10] Operation: 99-89=10 Exploring Operation: 99-44=55, Resulting Numbers: [54, 89, 55] Generated Node #0,1: 65:[54, 89, 55] Operation: 99-44=55 Exploring Operation: 54-44=10, Resulting Numbers: [89, 99, 10] Generated Node #0,2: 65:[89, 99, 10] Operation: 54-44=10 Moving to Node #0,0 Current State: 65:[54, 44, 10], Operations: ['99-89=10'] Exploring Operation: 54+10=64, Resulting Numbers: [44, 64] Generated Node #0,0,0: 65:[44, 64] Operation: 54+10=64 Exploring Operation: 44+10=54, Resulting Numbers: [54, 54] Generated Node #0,0,1: 65:[54, 54] Operation: 44+10=54 Exploring Operation: 54-44=10, Resulting Numbers: [10, 10] Generated Node #0,0,2: 65:[10, 10] Operation: 54-44=10 Moving to Node #0,1 Current State: 65:[54, 89, 55], Operations: ['99-44=55'] Exploring Operation: 89-55=34, Resulting Numbers: [54, 34] Generated Node #0,1,0: 65:[54, 34] Operation: 89-55=34 Exploring Operation: 55-54=1, Resulting Numbers: [89, 1] Generated Node #0,1,1: 65:[89, 1] Operation: 55-54=1 Exploring Operation: 89-54=35, Resulting Numbers: [55, 35] Generated Node #0,1,2: 65:[55, 35] Operation: 89-54=35 Moving to Node #0,2 Current State: 65:[89, 99, 10], Operations: ['54-44=10'] Exploring Operation: 99-10=89, Resulting Numbers: [89, 89] Generated Node #0,2,0: 65:[89, 89] Operation: 99-10=89 Exploring Operation: 99-89=10, Resulting Numbers: [10, 10] Generated Node #0,2,1: 65:[10, 10] Operation: 99-89=10 Exploring Operation: 89-10=79, Resulting Numbers: [99, 79] Generated Node #0,2,2: 65:[99, 79] Operation: 89-10=79 Moving to Node #0,0,2 Current State: 65:[10, 10], Operations: ['99-89=10', '54-44=10'] Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,65 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[10, 10], Operations: ['54-44=10', '99-89=10'] Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,65 unequal: No Solution Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[54, 54], Operations: ['99-89=10', '44+10=54'] Exploring Operation: 54-54=0, Resulting Numbers: [0] 0,65 unequal: No Solution Exploring Operation: 54/54=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 54+54=108, Resulting Numbers: [108] 108,65 unequal: No Solution Moving to Node #0,0,0 Current State: 65:[44, 64], Operations: ['99-89=10', '54+10=64'] Exploring Operation: 44*64=2816, Resulting Numbers: [2816] 2816,65 unequal: No Solution Exploring Operation: 64-44=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 44+64=108, Resulting Numbers: [108] 108,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[89, 1], Operations: ['99-44=55', '55-54=1'] Exploring Operation: 89/1=89, Resulting Numbers: [89] 89,65 unequal: No Solution Exploring Operation: 89-1=88, Resulting Numbers: [88] 88,65 unequal: No Solution Exploring Operation: 89*1=89, Resulting Numbers: [89] 89,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[55, 35], Operations: ['99-44=55', '89-54=35'] Exploring Operation: 55+35=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 55-35=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 55*35=1925, Resulting Numbers: [1925] 1925,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[54, 34], Operations: ['99-44=55', '89-55=34'] Exploring Operation: 54*34=1836, Resulting Numbers: [1836] 1836,65 unequal: No Solution Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 54+34=88, Resulting Numbers: [88] 88,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[99, 79], Operations: ['54-44=10', '89-10=79'] Exploring Operation: 99+79=178, Resulting Numbers: [178] 178,65 unequal: No Solution Exploring Operation: 99-79=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 99*79=7821, Resulting Numbers: [7821] 7821,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[89, 89], Operations: ['54-44=10', '99-10=89'] Exploring Operation: 89-89=0, Resulting Numbers: [0] 0,65 unequal: No Solution Exploring Operation: 89+89=178, Resulting Numbers: [178] 178,65 unequal: No Solution Exploring Operation: 89/89=1, Resulting Numbers: [1] 1,65 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 3, 38, 28, 46 ]
76
[ "3*28=84", "46-38=8", "84-8=76" ]
Current State: 76:[3, 38, 28, 46], Operations: [] Exploring Operation: 3*28=84, Resulting Numbers: [38, 46, 84] Generated Node #2: [38, 46, 84] from Operation: 3*28=84 Current State: 76:[38, 46, 84], Operations: ['3*28=84'] Exploring Operation: 46-38=8, Resulting Numbers: [84, 8] Generated Node #3: [84, 8] from Operation: 46-38=8 Current State: 76:[84, 8], Operations: ['3*28=84', '46-38=8'] Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[3, 38, 28, 46], Operations: [] Exploring Operation: 46-28=18, Resulting Numbers: [3, 38, 18] Generated Node #0,0: 76:[3, 38, 18] Operation: 46-28=18 Exploring Operation: 28+46=74, Resulting Numbers: [3, 38, 74] Generated Node #0,1: 76:[3, 38, 74] Operation: 28+46=74 Exploring Operation: 28-3=25, Resulting Numbers: [38, 46, 25] Generated Node #0,2: 76:[38, 46, 25] Operation: 28-3=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[3, 38, 18], Operations: ['46-28=18'] Exploring Operation: 18/3=6, Resulting Numbers: [38, 6] Generated Node #0,0,0: 76:[38, 6] Operation: 18/3=6 Exploring Operation: 3+18=21, Resulting Numbers: [38, 21] Generated Node #0,0,1: 76:[38, 21] Operation: 3+18=21 Exploring Operation: 38-18=20, Resulting Numbers: [3, 20] Generated Node #0,0,2: 76:[3, 20] Operation: 38-18=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[38, 6], Operations: ['46-28=18', '18/3=6'] Exploring Operation: 38*6=228, Resulting Numbers: [228] 228,76 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,76 unequal: No Solution Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 76:[38, 21], Operations: ['46-28=18', '3+18=21'] Exploring Operation: 38+21=59, Resulting Numbers: [59] 59,76 unequal: No Solution Exploring Operation: 38*21=798, Resulting Numbers: [798] 798,76 unequal: No Solution Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,76 unequal: No Solution No 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: 76:[3, 20], Operations: ['46-28=18', '38-18=20'] Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,76 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,76 unequal: No Solution Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,76 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: 76:[3, 38, 74], Operations: ['28+46=74'] Exploring Operation: 3+74=77, Resulting Numbers: [38, 77] Generated Node #0,1,0: 76:[38, 77] Operation: 3+74=77 Exploring Operation: 3+38=41, Resulting Numbers: [74, 41] Generated Node #0,1,1: 76:[74, 41] Operation: 3+38=41 Exploring Operation: 74-38=36, Resulting Numbers: [3, 36] Generated Node #0,1,2: 76:[3, 36] Operation: 74-38=36 Moving to Node #0,1,0 Current State: 76:[38, 77], Operations: ['28+46=74', '3+74=77'] Exploring Operation: 38+77=115, Resulting Numbers: [115] 115,76 unequal: No Solution Exploring Operation: 38*77=2926, Resulting Numbers: [2926] 2926,76 unequal: No Solution Exploring Operation: 77-38=39, Resulting Numbers: [39] 39,76 unequal: No Solution Moving to Node #0,1,2 Current State: 76:[3, 36], Operations: ['28+46=74', '74-38=36'] Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[74, 41], Operations: ['28+46=74', '3+38=41'] Exploring Operation: 74+41=115, Resulting Numbers: [115] 115,76 unequal: No Solution Exploring Operation: 74-41=33, Resulting Numbers: [33] 33,76 unequal: No Solution Exploring Operation: 74*41=3034, Resulting Numbers: [3034] 3034,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[38, 46, 25], Operations: ['28-3=25'] Exploring Operation: 46-25=21, Resulting Numbers: [38, 21] Generated Node #0,2,0: 76:[38, 21] Operation: 46-25=21 Exploring Operation: 46+25=71, Resulting Numbers: [38, 71] Generated Node #0,2,1: 76:[38, 71] Operation: 46+25=71 Exploring Operation: 46-38=8, Resulting Numbers: [25, 8] Generated Node #0,2,2: 76:[25, 8] Operation: 46-38=8 Moving to Node #0,2,0 Current State: 76:[38, 21], Operations: ['28-3=25', '46-25=21'] Exploring Operation: 38+21=59, Resulting Numbers: [59] 59,76 unequal: No Solution Exploring Operation: 38*21=798, Resulting Numbers: [798] 798,76 unequal: No Solution Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[38, 71], Operations: ['28-3=25', '46+25=71'] Exploring Operation: 38*71=2698, Resulting Numbers: [2698] 2698,76 unequal: No Solution Exploring Operation: 71-38=33, Resulting Numbers: [33] 33,76 unequal: No Solution Exploring Operation: 38+71=109, Resulting Numbers: [109] 109,76 unequal: No Solution Moving to Node #0,2,2 Current State: 76:[25, 8], Operations: ['28-3=25', '46-38=8'] Exploring Operation: 25+8=33, Resulting Numbers: [33] 33,76 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,76 unequal: No Solution Exploring Operation: 25*8=200, Resulting Numbers: [200] 200,76 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
[ 37, 80, 30, 10 ]
48
[ "80+30=110", "110/10=11", "37+11=48" ]
Current State: 48:[37, 80, 30, 10], Operations: [] Exploring Operation: 80+30=110, Resulting Numbers: [37, 10, 110] Generated Node #2: [37, 10, 110] from Operation: 80+30=110 Current State: 48:[37, 10, 110], Operations: ['80+30=110'] Exploring Operation: 110/10=11, Resulting Numbers: [37, 11] Generated Node #3: [37, 11] from Operation: 110/10=11 Current State: 48:[37, 11], Operations: ['80+30=110', '110/10=11'] Exploring Operation: 37+11=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[37, 80, 30, 10], Operations: [] Exploring Operation: 80-30=50, Resulting Numbers: [37, 10, 50] Generated Node #0,0: 48:[37, 10, 50] Operation: 80-30=50 Exploring Operation: 80-37=43, Resulting Numbers: [30, 10, 43] Generated Node #0,1: 48:[30, 10, 43] Operation: 80-37=43 Exploring Operation: 80/10=8, Resulting Numbers: [37, 30, 8] Generated Node #0,2: 48:[37, 30, 8] Operation: 80/10=8 Moving to Node #0,1 Current State: 48:[30, 10, 43], Operations: ['80-37=43'] Exploring Operation: 30-10=20, Resulting Numbers: [43, 20] Generated Node #0,1,0: 48:[43, 20] Operation: 30-10=20 Exploring Operation: 43-30=13, Resulting Numbers: [10, 13] Generated Node #0,1,1: 48:[10, 13] Operation: 43-30=13 Exploring Operation: 30/10=3, Resulting Numbers: [43, 3] Generated Node #0,1,2: 48:[43, 3] Operation: 30/10=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[10, 13], Operations: ['80-37=43', '43-30=13'] Exploring Operation: 10*13=130, Resulting Numbers: [130] 130,48 unequal: No Solution Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,48 unequal: No Solution Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 48:[43, 3], Operations: ['80-37=43', '30/10=3'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,48 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,48 unequal: No Solution Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[43, 20], Operations: ['80-37=43', '30-10=20'] Exploring Operation: 43-20=23, Resulting Numbers: [23] 23,48 unequal: No Solution Exploring Operation: 43*20=860, Resulting Numbers: [860] 860,48 unequal: No Solution Exploring Operation: 43+20=63, Resulting Numbers: [63] 63,48 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: 48:[37, 10, 50], Operations: ['80-30=50'] Exploring Operation: 37-10=27, Resulting Numbers: [50, 27] Generated Node #0,0,0: 48:[50, 27] Operation: 37-10=27 Exploring Operation: 50-37=13, Resulting Numbers: [10, 13] Generated Node #0,0,1: 48:[10, 13] Operation: 50-37=13 Exploring Operation: 37+10=47, Resulting Numbers: [50, 47] Generated Node #0,0,2: 48:[50, 47] Operation: 37+10=47 Moving to Node #0,2 Current State: 48:[37, 30, 8], Operations: ['80/10=8'] Exploring Operation: 37+8=45, Resulting Numbers: [30, 45] Generated Node #0,2,0: 48:[30, 45] Operation: 37+8=45 Exploring Operation: 37-30=7, Resulting Numbers: [8, 7] Generated Node #0,2,1: 48:[8, 7] Operation: 37-30=7 Exploring Operation: 37-8=29, Resulting Numbers: [30, 29] Generated Node #0,2,2: 48:[30, 29] Operation: 37-8=29 Moving to Node #0,2,1 Current State: 48:[8, 7], Operations: ['80/10=8', '37-30=7'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,48 unequal: No Solution Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,48 unequal: No Solution Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,48 unequal: No Solution Moving to Node #0,0,1 Current State: 48:[10, 13], Operations: ['80-30=50', '50-37=13'] Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,48 unequal: No Solution Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 10*13=130, Resulting Numbers: [130] 130,48 unequal: No Solution Moving to Node #0,0,2 Current State: 48:[50, 47], Operations: ['80-30=50', '37+10=47'] Exploring Operation: 50-47=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 50+47=97, Resulting Numbers: [97] 97,48 unequal: No Solution Exploring Operation: 50*47=2350, Resulting Numbers: [2350] 2350,48 unequal: No Solution Moving to Node #0,0,0 Current State: 48:[50, 27], Operations: ['80-30=50', '37-10=27'] Exploring Operation: 50+27=77, Resulting Numbers: [77] 77,48 unequal: No Solution Exploring Operation: 50*27=1350, Resulting Numbers: [1350] 1350,48 unequal: No Solution Exploring Operation: 50-27=23, Resulting Numbers: [23] 23,48 unequal: No Solution Moving to Node #0,2,0 Current State: 48:[30, 45], Operations: ['80/10=8', '37+8=45'] Exploring Operation: 30+45=75, Resulting Numbers: [75] 75,48 unequal: No Solution Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,48 unequal: No Solution Exploring Operation: 30*45=1350, Resulting Numbers: [1350] 1350,48 unequal: No Solution Moving to Node #0,2,2 Current State: 48:[30, 29], Operations: ['80/10=8', '37-8=29'] Exploring Operation: 30*29=870, Resulting Numbers: [870] 870,48 unequal: No Solution Exploring Operation: 30+29=59, Resulting Numbers: [59] 59,48 unequal: No Solution Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,48 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 89, 34, 30, 5 ]
88
[ "89+34=123", "30+5=35", "123-35=88" ]
Current State: 88:[89, 34, 30, 5], Operations: [] Exploring Operation: 89+34=123, Resulting Numbers: [30, 5, 123] Generated Node #2: [30, 5, 123] from Operation: 89+34=123 Current State: 88:[30, 5, 123], Operations: ['89+34=123'] Exploring Operation: 30+5=35, Resulting Numbers: [123, 35] Generated Node #3: [123, 35] from Operation: 30+5=35 Current State: 88:[123, 35], Operations: ['89+34=123', '30+5=35'] Exploring Operation: 123-35=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[89, 34, 30, 5], Operations: [] Exploring Operation: 30/5=6, Resulting Numbers: [89, 34, 6] Generated Node #0,0: 88:[89, 34, 6] Operation: 30/5=6 Exploring Operation: 34-30=4, Resulting Numbers: [89, 5, 4] Generated Node #0,1: 88:[89, 5, 4] Operation: 34-30=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[89, 5, 4], Operations: ['34-30=4'] Exploring Operation: 5+4=9, Resulting Numbers: [89, 9] Generated Node #0,1,0: 88:[89, 9] Operation: 5+4=9 Exploring Operation: 5-4=1, Resulting Numbers: [89, 1] Generated Node #0,1,1: 88:[89, 1] Operation: 5-4=1 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 88:[89, 9], Operations: ['34-30=4', '5+4=9'] Exploring Operation: 89-9=80, Resulting Numbers: [80] 80,88 unequal: No Solution Exploring Operation: 89+9=98, Resulting Numbers: [98] 98,88 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:[89, 1], Operations: ['34-30=4', '5-4=1'] Exploring Operation: 89-1=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[89, 34, 30, 5], Operations: [] Exploring Operation: 34-30=4, Resulting Numbers: [89, 5, 4] Generated Node #0,1: 88:[89, 5, 4] Operation: 34-30=4 Moving to Node #0,1 Current State: 88:[89, 5, 4], Operations: ['34-30=4'] Exploring Operation: 5-4=1, Resulting Numbers: [89, 1] Generated Node #0,1,1: 88:[89, 1] Operation: 5-4=1 Moving to Node #0,1,1 Current State: 88:[89, 1], Operations: ['34-30=4', '5-4=1'] Exploring Operation: 89-1=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 2, 35, 18, 56 ]
100
[ "18/2=9", "35+56=91", "9+91=100" ]
Current State: 100:[2, 35, 18, 56], Operations: [] Exploring Operation: 18/2=9, Resulting Numbers: [35, 56, 9] Generated Node #2: [35, 56, 9] from Operation: 18/2=9 Current State: 100:[35, 56, 9], Operations: ['18/2=9'] Exploring Operation: 35+56=91, Resulting Numbers: [9, 91] Generated Node #3: [9, 91] from Operation: 35+56=91 Current State: 100:[9, 91], Operations: ['18/2=9', '35+56=91'] Exploring Operation: 9+91=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[2, 35, 18, 56], Operations: [] Exploring Operation: 35-18=17, Resulting Numbers: [2, 56, 17] Generated Node #0,0: 100:[2, 56, 17] Operation: 35-18=17 Exploring Operation: 35+56=91, Resulting Numbers: [2, 18, 91] Generated Node #0,1: 100:[2, 18, 91] Operation: 35+56=91 Exploring Operation: 56-35=21, Resulting Numbers: [2, 18, 21] Generated Node #0,2: 100:[2, 18, 21] Operation: 56-35=21 Exploring Operation: 35+18=53, Resulting Numbers: [2, 56, 53] Generated Node #0,3: 100:[2, 56, 53] Operation: 35+18=53 Moving to Node #0,2 Current State: 100:[2, 18, 21], Operations: ['56-35=21'] Exploring Operation: 2+18=20, Resulting Numbers: [21, 20] Generated Node #0,2,0: 100:[21, 20] Operation: 2+18=20 Exploring Operation: 21-18=3, Resulting Numbers: [2, 3] Generated Node #0,2,1: 100:[2, 3] Operation: 21-18=3 Exploring Operation: 18/2=9, Resulting Numbers: [21, 9] Generated Node #0,2,2: 100:[21, 9] Operation: 18/2=9 Exploring Operation: 21-2=19, Resulting Numbers: [18, 19] Generated Node #0,2,3: 100:[18, 19] Operation: 21-2=19 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 100:[21, 20], Operations: ['56-35=21', '2+18=20'] Exploring Operation: 21*20=420, Resulting Numbers: [420] 420,100 unequal: No Solution Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,100 unequal: No Solution Exploring Operation: 21+20=41, Resulting Numbers: [41] 41,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 100:[2, 3], Operations: ['56-35=21', '21-18=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,100 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,100 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 100:[21, 9], Operations: ['56-35=21', '18/2=9'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,100 unequal: No Solution Exploring Operation: 21*9=189, Resulting Numbers: [189] 189,100 unequal: No Solution Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 100:[18, 19], Operations: ['56-35=21', '21-2=19'] Exploring Operation: 19-18=1, Resulting Numbers: [1] 1,100 unequal: No Solution Exploring Operation: 18+19=37, Resulting Numbers: [37] 37,100 unequal: No Solution Exploring Operation: 18*19=342, Resulting Numbers: [342] 342,100 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: 100:[2, 56, 53], Operations: ['35+18=53'] Exploring Operation: 53-2=51, Resulting Numbers: [56, 51] Generated Node #0,3,0: 100:[56, 51] Operation: 53-2=51 Exploring Operation: 56/2=28, Resulting Numbers: [53, 28] Generated Node #0,3,1: 100:[53, 28] Operation: 56/2=28 Exploring Operation: 56-53=3, Resulting Numbers: [2, 3] Generated Node #0,3,2: 100:[2, 3] Operation: 56-53=3 Exploring Operation: 56-2=54, Resulting Numbers: [53, 54] Generated Node #0,3,3: 100:[53, 54] Operation: 56-2=54 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 100:[2, 3], Operations: ['35+18=53', '56-53=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,100 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,100 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 100:[53, 28], Operations: ['35+18=53', '56/2=28'] Exploring Operation: 53*28=1484, Resulting Numbers: [1484] 1484,100 unequal: No Solution Exploring Operation: 53+28=81, Resulting Numbers: [81] 81,100 unequal: No Solution Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 100:[56, 51], Operations: ['35+18=53', '53-2=51'] Exploring Operation: 56-51=5, Resulting Numbers: [5] 5,100 unequal: No Solution Exploring Operation: 56*51=2856, Resulting Numbers: [2856] 2856,100 unequal: No Solution Exploring Operation: 56+51=107, Resulting Numbers: [107] 107,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 100:[53, 54], Operations: ['35+18=53', '56-2=54'] Exploring Operation: 54-53=1, Resulting Numbers: [1] 1,100 unequal: No Solution Exploring Operation: 53+54=107, Resulting Numbers: [107] 107,100 unequal: No Solution Exploring Operation: 53*54=2862, Resulting Numbers: [2862] 2862,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 100:[2, 56, 17], Operations: ['35-18=17'] Exploring Operation: 2+56=58, Resulting Numbers: [17, 58] Generated Node #0,0,0: 100:[17, 58] Operation: 2+56=58 Exploring Operation: 56/2=28, Resulting Numbers: [17, 28] Generated Node #0,0,1: 100:[17, 28] Operation: 56/2=28 Exploring Operation: 2+17=19, Resulting Numbers: [56, 19] Generated Node #0,0,2: 100:[56, 19] Operation: 2+17=19 Exploring Operation: 56-2=54, Resulting Numbers: [17, 54] Generated Node #0,0,3: 100:[17, 54] Operation: 56-2=54 Moving to Node #0,1 Current State: 100:[2, 18, 91], Operations: ['35+56=91'] Exploring Operation: 18/2=9, Resulting Numbers: [91, 9] Generated Node #0,1,0: 100:[91, 9] Operation: 18/2=9 Exploring Operation: 18+91=109, Resulting Numbers: [2, 109] Generated Node #0,1,1: 100:[2, 109] Operation: 18+91=109 Exploring Operation: 2+91=93, Resulting Numbers: [18, 93] Generated Node #0,1,2: 100:[18, 93] Operation: 2+91=93 Exploring Operation: 2+18=20, Resulting Numbers: [91, 20] Generated Node #0,1,3: 100:[91, 20] Operation: 2+18=20 Moving to Node #0,0,1 Current State: 100:[17, 28], Operations: ['35-18=17', '56/2=28'] Exploring Operation: 17+28=45, Resulting Numbers: [45] 45,100 unequal: No Solution Exploring Operation: 17*28=476, Resulting Numbers: [476] 476,100 unequal: No Solution Exploring Operation: 28-17=11, Resulting Numbers: [11] 11,100 unequal: No Solution Moving to Node #0,0,3 Current State: 100:[17, 54], Operations: ['35-18=17', '56-2=54'] Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,100 unequal: No Solution Exploring Operation: 17*54=918, Resulting Numbers: [918] 918,100 unequal: No Solution Exploring Operation: 17+54=71, Resulting Numbers: [71] 71,100 unequal: No Solution Moving to Node #0,0,2 Current State: 100:[56, 19], Operations: ['35-18=17', '2+17=19'] Exploring Operation: 56*19=1064, Resulting Numbers: [1064] 1064,100 unequal: No Solution Exploring Operation: 56+19=75, Resulting Numbers: [75] 75,100 unequal: No Solution Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,100 unequal: No Solution Moving to Node #0,1,3 Current State: 100:[91, 20], Operations: ['35+56=91', '2+18=20'] Exploring Operation: 91-20=71, Resulting Numbers: [71] 71,100 unequal: No Solution Exploring Operation: 91*20=1820, Resulting Numbers: [1820] 1820,100 unequal: No Solution Exploring Operation: 91+20=111, Resulting Numbers: [111] 111,100 unequal: No Solution Moving to Node #0,1,2 Current State: 100:[18, 93], Operations: ['35+56=91', '2+91=93'] Exploring Operation: 18*93=1674, Resulting Numbers: [1674] 1674,100 unequal: No Solution Exploring Operation: 18+93=111, Resulting Numbers: [111] 111,100 unequal: No Solution Exploring Operation: 93-18=75, Resulting Numbers: [75] 75,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[2, 109], Operations: ['35+56=91', '18+91=109'] Exploring Operation: 2*109=218, Resulting Numbers: [218] 218,100 unequal: No Solution Exploring Operation: 2+109=111, Resulting Numbers: [111] 111,100 unequal: No Solution Exploring Operation: 109-2=107, Resulting Numbers: [107] 107,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[91, 9], Operations: ['35+56=91', '18/2=9'] Exploring Operation: 91-9=82, Resulting Numbers: [82] 82,100 unequal: No Solution Exploring Operation: 91+9=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[2, 35, 18, 56], Operations: [] Exploring Operation: 35+56=91, Resulting Numbers: [2, 18, 91] Generated Node #0,1: 100:[2, 18, 91] Operation: 35+56=91 Moving to Node #0,1 Current State: 100:[2, 18, 91], Operations: ['35+56=91'] Exploring Operation: 18/2=9, Resulting Numbers: [91, 9] Generated Node #0,1,0: 100:[91, 9] Operation: 18/2=9 Moving to Node #0,1,0 Current State: 100:[91, 9], Operations: ['35+56=91', '18/2=9'] Exploring Operation: 91+9=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
0.940972
hs_4
sum_heuristic
[ 12, 96, 98, 8 ]
34
[ "96/12=8", "8*8=64", "98-64=34" ]
Current State: 34:[12, 96, 98, 8], Operations: [] Exploring Operation: 96/12=8, Resulting Numbers: [98, 8, 8] Generated Node #2: [98, 8, 8] from Operation: 96/12=8 Current State: 34:[98, 8, 8], Operations: ['96/12=8'] Exploring Operation: 8*8=64, Resulting Numbers: [98, 64] Generated Node #3: [98, 64] from Operation: 8*8=64 Current State: 34:[98, 64], Operations: ['96/12=8', '8*8=64'] Exploring Operation: 98-64=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[12, 96, 98, 8], Operations: [] Exploring Operation: 98-96=2, Resulting Numbers: [12, 8, 2] Generated Node #0,0: 34:[12, 8, 2] Operation: 98-96=2 Exploring Operation: 96/12=8, Resulting Numbers: [98, 8, 8] Generated Node #0,1: 34:[98, 8, 8] Operation: 96/12=8 Exploring Operation: 96/8=12, Resulting Numbers: [12, 98, 12] Generated Node #0,2: 34:[12, 98, 12] Operation: 96/8=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[12, 8, 2], Operations: ['98-96=2'] Exploring Operation: 12-8=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 34:[2, 4] Operation: 12-8=4 Exploring Operation: 12+8=20, Resulting Numbers: [2, 20] Generated Node #0,0,1: 34:[2, 20] Operation: 12+8=20 Exploring Operation: 8*2=16, Resulting Numbers: [12, 16] Generated Node #0,0,2: 34:[12, 16] Operation: 8*2=16 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[2, 4], Operations: ['98-96=2', '12-8=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,34 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[2, 20], Operations: ['98-96=2', '12+8=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,34 unequal: No Solution Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 34:[12, 16], Operations: ['98-96=2', '8*2=16'] Exploring Operation: 12+16=28, Resulting Numbers: [28] 28,34 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,34 unequal: No Solution Exploring Operation: 12*16=192, Resulting Numbers: [192] 192,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[12, 98, 12], Operations: ['96/8=12'] Exploring Operation: 98-12=86, Resulting Numbers: [12, 86] Generated Node #0,2,0: 34:[12, 86] Operation: 98-12=86 Exploring Operation: 12/12=1, Resulting Numbers: [98, 1] Generated Node #0,2,1: 34:[98, 1] Operation: 12/12=1 Exploring Operation: 98-12=86, Resulting Numbers: [12, 86] Generated Node #0,2,2: 34:[12, 86] Operation: 98-12=86 Moving to Node #0,2,0 Current State: 34:[12, 86], Operations: ['96/8=12', '98-12=86'] Exploring Operation: 12*86=1032, Resulting Numbers: [1032] 1032,34 unequal: No Solution Exploring Operation: 12+86=98, Resulting Numbers: [98] 98,34 unequal: No Solution Exploring Operation: 86-12=74, Resulting Numbers: [74] 74,34 unequal: No Solution Moving to Node #0,2,2 Current State: 34:[12, 86], Operations: ['96/8=12', '98-12=86'] Exploring Operation: 86-12=74, Resulting Numbers: [74] 74,34 unequal: No Solution Exploring Operation: 12*86=1032, Resulting Numbers: [1032] 1032,34 unequal: No Solution Exploring Operation: 12+86=98, Resulting Numbers: [98] 98,34 unequal: No Solution Moving to Node #0,2,1 Current State: 34:[98, 1], Operations: ['96/8=12', '12/12=1'] Exploring Operation: 98/1=98, Resulting Numbers: [98] 98,34 unequal: No Solution Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,34 unequal: No Solution Exploring Operation: 98*1=98, Resulting Numbers: [98] 98,34 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 Current State: 34:[98, 8, 8], Operations: ['96/12=8'] Exploring Operation: 98-8=90, Resulting Numbers: [8, 90] Generated Node #0,1,0: 34:[8, 90] Operation: 98-8=90 Exploring Operation: 98-8=90, Resulting Numbers: [8, 90] Generated Node #0,1,1: 34:[8, 90] Operation: 98-8=90 Exploring Operation: 8+8=16, Resulting Numbers: [98, 16] Generated Node #0,1,2: 34:[98, 16] Operation: 8+8=16 Moving to Node #0,1,0 Current State: 34:[8, 90], Operations: ['96/12=8', '98-8=90'] Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,34 unequal: No Solution Exploring Operation: 8*90=720, Resulting Numbers: [720] 720,34 unequal: No Solution Exploring Operation: 8+90=98, Resulting Numbers: [98] 98,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[8, 90], Operations: ['96/12=8', '98-8=90'] Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,34 unequal: No Solution Exploring Operation: 8*90=720, Resulting Numbers: [720] 720,34 unequal: No Solution Exploring Operation: 8+90=98, Resulting Numbers: [98] 98,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[98, 16], Operations: ['96/12=8', '8+8=16'] Exploring Operation: 98-16=82, Resulting Numbers: [82] 82,34 unequal: No Solution Exploring Operation: 98+16=114, Resulting Numbers: [114] 114,34 unequal: No Solution Exploring Operation: 98*16=1568, Resulting Numbers: [1568] 1568,34 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
[ 76, 84, 3, 43 ]
91
[ "76+43=119", "84/3=28", "119-28=91" ]
Current State: 91:[76, 84, 3, 43], Operations: [] Exploring Operation: 76+43=119, Resulting Numbers: [84, 3, 119] Generated Node #2: [84, 3, 119] from Operation: 76+43=119 Current State: 91:[84, 3, 119], Operations: ['76+43=119'] Exploring Operation: 84/3=28, Resulting Numbers: [119, 28] Generated Node #3: [119, 28] from Operation: 84/3=28 Current State: 91:[119, 28], Operations: ['76+43=119', '84/3=28'] Exploring Operation: 119-28=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[76, 84, 3, 43], Operations: [] Exploring Operation: 84-76=8, Resulting Numbers: [3, 43, 8] Generated Node #0,0: 91:[3, 43, 8] Operation: 84-76=8 Exploring Operation: 76-43=33, Resulting Numbers: [84, 3, 33] Generated Node #0,1: 91:[84, 3, 33] Operation: 76-43=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[84, 3, 33], Operations: ['76-43=33'] Exploring Operation: 33/3=11, Resulting Numbers: [84, 11] Generated Node #0,1,0: 91:[84, 11] Operation: 33/3=11 Exploring Operation: 3*33=99, Resulting Numbers: [84, 99] Generated Node #0,1,1: 91:[84, 99] Operation: 3*33=99 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 91:[84, 11], Operations: ['76-43=33', '33/3=11'] Exploring Operation: 84-11=73, Resulting Numbers: [73] 73,91 unequal: No Solution Exploring Operation: 84+11=95, Resulting Numbers: [95] 95,91 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 #0,1,1 Current State: 91:[84, 99], Operations: ['76-43=33', '3*33=99'] Exploring Operation: 84+99=183, Resulting Numbers: [183] 183,91 unequal: No Solution Exploring Operation: 99-84=15, Resulting Numbers: [15] 15,91 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:[3, 43, 8], Operations: ['84-76=8'] Exploring Operation: 43-3=40, Resulting Numbers: [8, 40] Generated Node #0,0,0: 91:[8, 40] Operation: 43-3=40 Exploring Operation: 43-8=35, Resulting Numbers: [3, 35] Generated Node #0,0,1: 91:[3, 35] Operation: 43-8=35 Moving to Node #0,0,1 Current State: 91:[3, 35], Operations: ['84-76=8', '43-8=35'] Exploring Operation: 3*35=105, Resulting Numbers: [105] 105,91 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[8, 40], Operations: ['84-76=8', '43-3=40'] Exploring Operation: 40-8=32, Resulting Numbers: [32] 32,91 unequal: No Solution Exploring Operation: 40/8=5, Resulting Numbers: [5] 5,91 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
[ 48, 7, 10, 98 ]
52
[ "48-10=38", "98/7=14", "38+14=52" ]
Current State: 52:[48, 7, 10, 98], Operations: [] Exploring Operation: 48-10=38, Resulting Numbers: [7, 98, 38] Generated Node #2: [7, 98, 38] from Operation: 48-10=38 Current State: 52:[7, 98, 38], Operations: ['48-10=38'] Exploring Operation: 98/7=14, Resulting Numbers: [38, 14] Generated Node #3: [38, 14] from Operation: 98/7=14 Current State: 52:[38, 14], Operations: ['48-10=38', '98/7=14'] Exploring Operation: 38+14=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[48, 7, 10, 98], Operations: [] Exploring Operation: 98-48=50, Resulting Numbers: [7, 10, 50] Generated Node #0,0: 52:[7, 10, 50] Operation: 98-48=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[7, 10, 50], Operations: ['98-48=50'] Exploring Operation: 10-7=3, Resulting Numbers: [50, 3] Generated Node #0,0,0: 52:[50, 3] Operation: 10-7=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[50, 3], Operations: ['98-48=50', '10-7=3'] Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 19, 29, 66, 72 ]
85
[ "72-66=6", "19*6=114", "114-29=85" ]
Current State: 85:[19, 29, 66, 72], Operations: [] Exploring Operation: 72-66=6, Resulting Numbers: [19, 29, 6] Generated Node #2: [19, 29, 6] from Operation: 72-66=6 Current State: 85:[19, 29, 6], Operations: ['72-66=6'] Exploring Operation: 19*6=114, Resulting Numbers: [29, 114] Generated Node #3: [29, 114] from Operation: 19*6=114 Current State: 85:[29, 114], Operations: ['72-66=6', '19*6=114'] Exploring Operation: 114-29=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[19, 29, 66, 72], Operations: [] Exploring Operation: 19+66=85, Resulting Numbers: [29, 72, 85] Generated Node #0,0: 85:[29, 72, 85] Operation: 19+66=85 Exploring Operation: 72-66=6, Resulting Numbers: [19, 29, 6] Generated Node #0,1: 85:[19, 29, 6] Operation: 72-66=6 Moving to Node #0,1 Current State: 85:[19, 29, 6], Operations: ['72-66=6'] Exploring Operation: 29-6=23, Resulting Numbers: [19, 23] Generated Node #0,1,0: 85:[19, 23] Operation: 29-6=23 Exploring Operation: 29-19=10, Resulting Numbers: [6, 10] Generated Node #0,1,1: 85:[6, 10] Operation: 29-19=10 Moving to Node #0,0 Current State: 85:[29, 72, 85], Operations: ['19+66=85'] Exploring Operation: 85-72=13, Resulting Numbers: [29, 13] Generated Node #0,0,0: 85:[29, 13] Operation: 85-72=13 Exploring Operation: 29+72=101, Resulting Numbers: [85, 101] Generated Node #0,0,1: 85:[85, 101] Operation: 29+72=101 Moving to Node #0,1,1 Current State: 85:[6, 10], Operations: ['72-66=6', '29-19=10'] Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,85 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[19, 23], Operations: ['72-66=6', '29-6=23'] Exploring Operation: 19+23=42, Resulting Numbers: [42] 42,85 unequal: No Solution Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,85 unequal: No Solution Moving to Node #0,0,1 Current State: 85:[85, 101], Operations: ['19+66=85', '29+72=101'] Exploring Operation: 85+101=186, Resulting Numbers: [186] 186,85 unequal: No Solution Exploring Operation: 101-85=16, Resulting Numbers: [16] 16,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[29, 13], Operations: ['19+66=85', '85-72=13'] Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,85 unequal: No Solution Exploring Operation: 29+13=42, Resulting Numbers: [42] 42,85 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 91, 6, 74, 82 ]
43
[ "82-74=8", "6*8=48", "91-48=43" ]
Current State: 43:[91, 6, 74, 82], Operations: [] Exploring Operation: 82-74=8, Resulting Numbers: [91, 6, 8] Generated Node #2: [91, 6, 8] from Operation: 82-74=8 Current State: 43:[91, 6, 8], Operations: ['82-74=8'] Exploring Operation: 6*8=48, Resulting Numbers: [91, 48] Generated Node #3: [91, 48] from Operation: 6*8=48 Current State: 43:[91, 48], Operations: ['82-74=8', '6*8=48'] Exploring Operation: 91-48=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[91, 6, 74, 82], Operations: [] Exploring Operation: 91-74=17, Resulting Numbers: [6, 82, 17] Generated Node #0,0: 43:[6, 82, 17] Operation: 91-74=17 Exploring Operation: 91-82=9, Resulting Numbers: [6, 74, 9] Generated Node #0,1: 43:[6, 74, 9] Operation: 91-82=9 Exploring Operation: 74-6=68, Resulting Numbers: [91, 82, 68] Generated Node #0,2: 43:[91, 82, 68] Operation: 74-6=68 Exploring Operation: 91-6=85, Resulting Numbers: [74, 82, 85] Generated Node #0,3: 43:[74, 82, 85] Operation: 91-6=85 Exploring Operation: 82-6=76, Resulting Numbers: [91, 74, 76] Generated Node #0,4: 43:[91, 74, 76] Operation: 82-6=76 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[6, 82, 17], Operations: ['91-74=17'] Exploring Operation: 82-17=65, Resulting Numbers: [6, 65] Generated Node #0,0,0: 43:[6, 65] Operation: 82-17=65 Exploring Operation: 82-6=76, Resulting Numbers: [17, 76] Generated Node #0,0,1: 43:[17, 76] Operation: 82-6=76 Exploring Operation: 17-6=11, Resulting Numbers: [82, 11] Generated Node #0,0,2: 43:[82, 11] Operation: 17-6=11 Exploring Operation: 6+82=88, Resulting Numbers: [17, 88] Generated Node #0,0,3: 43:[17, 88] Operation: 6+82=88 Exploring Operation: 6+17=23, Resulting Numbers: [82, 23] Generated Node #0,0,4: 43:[82, 23] Operation: 6+17=23 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[6, 65], Operations: ['91-74=17', '82-17=65'] Exploring Operation: 6*65=390, Resulting Numbers: [390] 390,43 unequal: No Solution Exploring Operation: 6+65=71, Resulting Numbers: [71] 71,43 unequal: No Solution Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[17, 76], Operations: ['91-74=17', '82-6=76'] Exploring Operation: 17*76=1292, Resulting Numbers: [1292] 1292,43 unequal: No Solution Exploring Operation: 17+76=93, Resulting Numbers: [93] 93,43 unequal: No Solution Exploring Operation: 76-17=59, Resulting Numbers: [59] 59,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 43:[82, 23], Operations: ['91-74=17', '6+17=23'] Exploring Operation: 82+23=105, Resulting Numbers: [105] 105,43 unequal: No Solution Exploring Operation: 82*23=1886, Resulting Numbers: [1886] 1886,43 unequal: No Solution Exploring Operation: 82-23=59, Resulting Numbers: [59] 59,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[82, 11], Operations: ['91-74=17', '17-6=11'] Exploring Operation: 82+11=93, Resulting Numbers: [93] 93,43 unequal: No Solution Exploring Operation: 82*11=902, Resulting Numbers: [902] 902,43 unequal: No Solution Exploring Operation: 82-11=71, Resulting Numbers: [71] 71,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 43:[17, 88], Operations: ['91-74=17', '6+82=88'] Exploring Operation: 17+88=105, Resulting Numbers: [105] 105,43 unequal: No Solution Exploring Operation: 88-17=71, Resulting Numbers: [71] 71,43 unequal: No Solution Exploring Operation: 17*88=1496, Resulting Numbers: [1496] 1496,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[6, 74, 9], Operations: ['91-82=9'] Exploring Operation: 6*9=54, Resulting Numbers: [74, 54] Generated Node #0,1,0: 43:[74, 54] Operation: 6*9=54 Exploring Operation: 6+74=80, Resulting Numbers: [9, 80] Generated Node #0,1,1: 43:[9, 80] Operation: 6+74=80 Exploring Operation: 74-9=65, Resulting Numbers: [6, 65] Generated Node #0,1,2: 43:[6, 65] Operation: 74-9=65 Exploring Operation: 6+9=15, Resulting Numbers: [74, 15] Generated Node #0,1,3: 43:[74, 15] Operation: 6+9=15 Exploring Operation: 74-6=68, Resulting Numbers: [9, 68] Generated Node #0,1,4: 43:[9, 68] Operation: 74-6=68 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[74, 54], Operations: ['91-82=9', '6*9=54'] Exploring Operation: 74+54=128, Resulting Numbers: [128] 128,43 unequal: No Solution Exploring Operation: 74-54=20, Resulting Numbers: [20] 20,43 unequal: No Solution Exploring Operation: 74*54=3996, Resulting Numbers: [3996] 3996,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 43:[6, 65], Operations: ['91-82=9', '74-9=65'] Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,43 unequal: No Solution Exploring Operation: 6*65=390, Resulting Numbers: [390] 390,43 unequal: No Solution Exploring Operation: 6+65=71, Resulting Numbers: [71] 71,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 43:[74, 15], Operations: ['91-82=9', '6+9=15'] Exploring Operation: 74-15=59, Resulting Numbers: [59] 59,43 unequal: No Solution Exploring Operation: 74*15=1110, Resulting Numbers: [1110] 1110,43 unequal: No Solution Exploring Operation: 74+15=89, Resulting Numbers: [89] 89,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 43:[9, 68], Operations: ['91-82=9', '74-6=68'] Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,43 unequal: No Solution Exploring Operation: 9*68=612, Resulting Numbers: [612] 612,43 unequal: No Solution Exploring Operation: 9+68=77, Resulting Numbers: [77] 77,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[9, 80], Operations: ['91-82=9', '6+74=80'] Exploring Operation: 80-9=71, Resulting Numbers: [71] 71,43 unequal: No Solution Exploring Operation: 9+80=89, Resulting Numbers: [89] 89,43 unequal: No Solution Exploring Operation: 9*80=720, Resulting Numbers: [720] 720,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[91, 82, 68], Operations: ['74-6=68'] Exploring Operation: 91+82=173, Resulting Numbers: [68, 173] Generated Node #0,2,0: 43:[68, 173] Operation: 91+82=173 Exploring Operation: 91+68=159, Resulting Numbers: [82, 159] Generated Node #0,2,1: 43:[82, 159] Operation: 91+68=159 Exploring Operation: 91-82=9, Resulting Numbers: [68, 9] Generated Node #0,2,2: 43:[68, 9] Operation: 91-82=9 Exploring Operation: 82-68=14, Resulting Numbers: [91, 14] Generated Node #0,2,3: 43:[91, 14] Operation: 82-68=14 Exploring Operation: 91-68=23, Resulting Numbers: [82, 23] Generated Node #0,2,4: 43:[82, 23] Operation: 91-68=23 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[68, 9], Operations: ['74-6=68', '91-82=9'] Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,43 unequal: No Solution Exploring Operation: 68*9=612, Resulting Numbers: [612] 612,43 unequal: No Solution Exploring Operation: 68+9=77, Resulting Numbers: [77] 77,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 43:[82, 23], Operations: ['74-6=68', '91-68=23'] Exploring Operation: 82*23=1886, Resulting Numbers: [1886] 1886,43 unequal: No Solution Exploring Operation: 82-23=59, Resulting Numbers: [59] 59,43 unequal: No Solution Exploring Operation: 82+23=105, Resulting Numbers: [105] 105,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 43:[91, 14], Operations: ['74-6=68', '82-68=14'] Exploring Operation: 91-14=77, Resulting Numbers: [77] 77,43 unequal: No Solution Exploring Operation: 91+14=105, Resulting Numbers: [105] 105,43 unequal: No Solution Exploring Operation: 91*14=1274, Resulting Numbers: [1274] 1274,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[68, 173], Operations: ['74-6=68', '91+82=173'] Exploring Operation: 68*173=11764, Resulting Numbers: [11764] 11764,43 unequal: No Solution Exploring Operation: 68+173=241, Resulting Numbers: [241] 241,43 unequal: No Solution Exploring Operation: 173-68=105, Resulting Numbers: [105] 105,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[82, 159], Operations: ['74-6=68', '91+68=159'] Exploring Operation: 82+159=241, Resulting Numbers: [241] 241,43 unequal: No Solution Exploring Operation: 159-82=77, Resulting Numbers: [77] 77,43 unequal: No Solution Exploring Operation: 82*159=13038, Resulting Numbers: [13038] 13038,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[74, 82, 85], Operations: ['91-6=85'] Exploring Operation: 74+85=159, Resulting Numbers: [82, 159] Generated Node #0,3,0: 43:[82, 159] Operation: 74+85=159 Exploring Operation: 74+82=156, Resulting Numbers: [85, 156] Generated Node #0,3,1: 43:[85, 156] Operation: 74+82=156 Exploring Operation: 85-82=3, Resulting Numbers: [74, 3] Generated Node #0,3,2: 43:[74, 3] Operation: 85-82=3 Exploring Operation: 82-74=8, Resulting Numbers: [85, 8] Generated Node #0,3,3: 43:[85, 8] Operation: 82-74=8 Exploring Operation: 85-74=11, Resulting Numbers: [82, 11] Generated Node #0,3,4: 43:[82, 11] Operation: 85-74=11 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 43:[74, 3], Operations: ['91-6=85', '85-82=3'] Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,43 unequal: No Solution Exploring Operation: 74*3=222, Resulting Numbers: [222] 222,43 unequal: No Solution Exploring Operation: 74+3=77, Resulting Numbers: [77] 77,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 43:[82, 11], Operations: ['91-6=85', '85-74=11'] Exploring Operation: 82+11=93, Resulting Numbers: [93] 93,43 unequal: No Solution Exploring Operation: 82*11=902, Resulting Numbers: [902] 902,43 unequal: No Solution Exploring Operation: 82-11=71, Resulting Numbers: [71] 71,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 43:[85, 8], Operations: ['91-6=85', '82-74=8'] Exploring Operation: 85-8=77, Resulting Numbers: [77] 77,43 unequal: No Solution Exploring Operation: 85+8=93, Resulting Numbers: [93] 93,43 unequal: No Solution Exploring Operation: 85*8=680, Resulting Numbers: [680] 680,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 43:[82, 159], Operations: ['91-6=85', '74+85=159'] Exploring Operation: 82+159=241, Resulting Numbers: [241] 241,43 unequal: No Solution Exploring Operation: 159-82=77, Resulting Numbers: [77] 77,43 unequal: No Solution Exploring Operation: 82*159=13038, Resulting Numbers: [13038] 13038,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 43:[85, 156], Operations: ['91-6=85', '74+82=156'] Exploring Operation: 85*156=13260, Resulting Numbers: [13260] 13260,43 unequal: No Solution Exploring Operation: 85+156=241, Resulting Numbers: [241] 241,43 unequal: No Solution Exploring Operation: 156-85=71, Resulting Numbers: [71] 71,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 43:[91, 74, 76], Operations: ['82-6=76'] Exploring Operation: 91+74=165, Resulting Numbers: [76, 165] Generated Node #0,4,0: 43:[76, 165] Operation: 91+74=165 Exploring Operation: 91-76=15, Resulting Numbers: [74, 15] Generated Node #0,4,1: 43:[74, 15] Operation: 91-76=15 Exploring Operation: 91+76=167, Resulting Numbers: [74, 167] Generated Node #0,4,2: 43:[74, 167] Operation: 91+76=167 Exploring Operation: 91-74=17, Resulting Numbers: [76, 17] Generated Node #0,4,3: 43:[76, 17] Operation: 91-74=17 Exploring Operation: 76-74=2, Resulting Numbers: [91, 2] Generated Node #0,4,4: 43:[91, 2] Operation: 76-74=2 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 43:[74, 15], Operations: ['82-6=76', '91-76=15'] Exploring Operation: 74+15=89, Resulting Numbers: [89] 89,43 unequal: No Solution Exploring Operation: 74*15=1110, Resulting Numbers: [1110] 1110,43 unequal: No Solution Exploring Operation: 74-15=59, Resulting Numbers: [59] 59,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 43:[76, 17], Operations: ['82-6=76', '91-74=17'] Exploring Operation: 76+17=93, Resulting Numbers: [93] 93,43 unequal: No Solution Exploring Operation: 76-17=59, Resulting Numbers: [59] 59,43 unequal: No Solution Exploring Operation: 76*17=1292, Resulting Numbers: [1292] 1292,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 43:[91, 2], Operations: ['82-6=76', '76-74=2'] Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,43 unequal: No Solution Exploring Operation: 91*2=182, Resulting Numbers: [182] 182,43 unequal: No Solution Exploring Operation: 91+2=93, Resulting Numbers: [93] 93,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 43:[76, 165], Operations: ['82-6=76', '91+74=165'] Exploring Operation: 165-76=89, Resulting Numbers: [89] 89,43 unequal: No Solution Exploring Operation: 76+165=241, Resulting Numbers: [241] 241,43 unequal: No Solution Exploring Operation: 76*165=12540, Resulting Numbers: [12540] 12540,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 43:[74, 167], Operations: ['82-6=76', '91+76=167'] Exploring Operation: 167-74=93, Resulting Numbers: [93] 93,43 unequal: No Solution Exploring Operation: 74+167=241, Resulting Numbers: [241] 241,43 unequal: No Solution Exploring Operation: 74*167=12358, Resulting Numbers: [12358] 12358,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 5, 80, 28, 40 ]
100
[ "5*28=140", "80-40=40", "140-40=100" ]
Current State: 100:[5, 80, 28, 40], Operations: [] Exploring Operation: 5*28=140, Resulting Numbers: [80, 40, 140] Generated Node #2: [80, 40, 140] from Operation: 5*28=140 Current State: 100:[80, 40, 140], Operations: ['5*28=140'] Exploring Operation: 80-40=40, Resulting Numbers: [140, 40] Generated Node #3: [140, 40] from Operation: 80-40=40 Current State: 100:[140, 40], Operations: ['5*28=140', '80-40=40'] Exploring Operation: 140-40=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[5, 80, 28, 40], Operations: [] Exploring Operation: 80/40=2, Resulting Numbers: [5, 28, 2] Generated Node #0,0: 100:[5, 28, 2] Operation: 80/40=2 Moving to Node #0,0 Current State: 100:[5, 28, 2], Operations: ['80/40=2'] Exploring Operation: 28-2=26, Resulting Numbers: [5, 26] Generated Node #0,0,0: 100:[5, 26] Operation: 28-2=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 100:[5, 26], Operations: ['80/40=2', '28-2=26'] Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,100 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
[ 86, 67, 6, 65 ]
98
[ "67-65=2", "6*2=12", "86+12=98" ]
Current State: 98:[86, 67, 6, 65], Operations: [] Exploring Operation: 67-65=2, Resulting Numbers: [86, 6, 2] Generated Node #2: [86, 6, 2] from Operation: 67-65=2 Current State: 98:[86, 6, 2], Operations: ['67-65=2'] Exploring Operation: 6*2=12, Resulting Numbers: [86, 12] Generated Node #3: [86, 12] from Operation: 6*2=12 Current State: 98:[86, 12], Operations: ['67-65=2', '6*2=12'] Exploring Operation: 86+12=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[86, 67, 6, 65], Operations: [] Exploring Operation: 67-65=2, Resulting Numbers: [86, 6, 2] Generated Node #0,0: 98:[86, 6, 2] Operation: 67-65=2 Exploring Operation: 86-65=21, Resulting Numbers: [67, 6, 21] Generated Node #0,1: 98:[67, 6, 21] Operation: 86-65=21 Exploring Operation: 86-67=19, Resulting Numbers: [6, 65, 19] Generated Node #0,2: 98:[6, 65, 19] Operation: 86-67=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[86, 6, 2], Operations: ['67-65=2'] Exploring Operation: 86+2=88, Resulting Numbers: [6, 88] Generated Node #0,0,0: 98:[6, 88] Operation: 86+2=88 Exploring Operation: 86+6=92, Resulting Numbers: [2, 92] Generated Node #0,0,1: 98:[2, 92] Operation: 86+6=92 Exploring Operation: 86/2=43, Resulting Numbers: [6, 43] Generated Node #0,0,2: 98:[6, 43] Operation: 86/2=43 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[2, 92], Operations: ['67-65=2', '86+6=92'] Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,98 unequal: No Solution Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,98 unequal: No Solution Exploring Operation: 2+92=94, Resulting Numbers: [94] 94,98 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 #0,0,2 Current State: 98:[6, 43], Operations: ['67-65=2', '86/2=43'] Exploring Operation: 6+43=49, Resulting Numbers: [49] 49,98 unequal: No Solution Exploring Operation: 6*43=258, Resulting Numbers: [258] 258,98 unequal: No Solution Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[6, 88], Operations: ['67-65=2', '86+2=88'] Exploring Operation: 6*88=528, Resulting Numbers: [528] 528,98 unequal: No Solution Exploring Operation: 88-6=82, Resulting Numbers: [82] 82,98 unequal: No Solution Exploring Operation: 6+88=94, Resulting Numbers: [94] 94,98 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:[6, 65, 19], Operations: ['86-67=19'] Exploring Operation: 65-6=59, Resulting Numbers: [19, 59] Generated Node #0,2,0: 98:[19, 59] Operation: 65-6=59 Exploring Operation: 65+19=84, Resulting Numbers: [6, 84] Generated Node #0,2,1: 98:[6, 84] Operation: 65+19=84 Exploring Operation: 65-19=46, Resulting Numbers: [6, 46] Generated Node #0,2,2: 98:[6, 46] Operation: 65-19=46 Moving to Node #0,2,2 Current State: 98:[6, 46], Operations: ['86-67=19', '65-19=46'] Exploring Operation: 6+46=52, Resulting Numbers: [52] 52,98 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,98 unequal: No Solution Exploring Operation: 6*46=276, Resulting Numbers: [276] 276,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[19, 59], Operations: ['86-67=19', '65-6=59'] Exploring Operation: 19+59=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 59-19=40, Resulting Numbers: [40] 40,98 unequal: No Solution Exploring Operation: 19*59=1121, Resulting Numbers: [1121] 1121,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[6, 84], Operations: ['86-67=19', '65+19=84'] Exploring Operation: 6+84=90, Resulting Numbers: [90] 90,98 unequal: No Solution Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,98 unequal: No Solution Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[67, 6, 21], Operations: ['86-65=21'] Exploring Operation: 67-21=46, Resulting Numbers: [6, 46] Generated Node #0,1,0: 98:[6, 46] Operation: 67-21=46 Exploring Operation: 67-6=61, Resulting Numbers: [21, 61] Generated Node #0,1,1: 98:[21, 61] Operation: 67-6=61 Exploring Operation: 67+21=88, Resulting Numbers: [6, 88] Generated Node #0,1,2: 98:[6, 88] Operation: 67+21=88 Moving to Node #0,1,0 Current State: 98:[6, 46], Operations: ['86-65=21', '67-21=46'] Exploring Operation: 6*46=276, Resulting Numbers: [276] 276,98 unequal: No Solution Exploring Operation: 6+46=52, Resulting Numbers: [52] 52,98 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,98 unequal: No Solution Moving to Node #0,1,2 Current State: 98:[6, 88], Operations: ['86-65=21', '67+21=88'] Exploring Operation: 6+88=94, Resulting Numbers: [94] 94,98 unequal: No Solution Exploring Operation: 6*88=528, Resulting Numbers: [528] 528,98 unequal: No Solution Exploring Operation: 88-6=82, Resulting Numbers: [82] 82,98 unequal: No Solution Moving to Node #0,1,1 Current State: 98:[21, 61], Operations: ['86-65=21', '67-6=61'] Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,98 unequal: No Solution Exploring Operation: 21*61=1281, Resulting Numbers: [1281] 1281,98 unequal: No Solution Exploring Operation: 21+61=82, Resulting Numbers: [82] 82,98 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
[ 36, 30, 9, 42 ]
11
[ "30+42=72", "72/36=2", "9+2=11" ]
Current State: 11:[36, 30, 9, 42], Operations: [] Exploring Operation: 30+42=72, Resulting Numbers: [36, 9, 72] Generated Node #2: [36, 9, 72] from Operation: 30+42=72 Current State: 11:[36, 9, 72], Operations: ['30+42=72'] Exploring Operation: 72/36=2, Resulting Numbers: [9, 2] Generated Node #3: [9, 2] from Operation: 72/36=2 Current State: 11:[9, 2], Operations: ['30+42=72', '72/36=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[36, 30, 9, 42], Operations: [] Exploring Operation: 42-30=12, Resulting Numbers: [36, 9, 12] Generated Node #0,0: 11:[36, 9, 12] Operation: 42-30=12 Exploring Operation: 42-36=6, Resulting Numbers: [30, 9, 6] Generated Node #0,1: 11:[30, 9, 6] Operation: 42-36=6 Exploring Operation: 36-30=6, Resulting Numbers: [9, 42, 6] Generated Node #0,2: 11:[9, 42, 6] Operation: 36-30=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[30, 9, 6], Operations: ['42-36=6'] Exploring Operation: 30/6=5, Resulting Numbers: [9, 5] Generated Node #0,1,0: 11:[9, 5] Operation: 30/6=5 Exploring Operation: 30-9=21, Resulting Numbers: [6, 21] Generated Node #0,1,1: 11:[6, 21] Operation: 30-9=21 Exploring Operation: 30-6=24, Resulting Numbers: [9, 24] Generated Node #0,1,2: 11:[9, 24] Operation: 30-6=24 Moving to Node #0,1,0 Current State: 11:[9, 5], Operations: ['42-36=6', '30/6=5'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,11 unequal: No Solution Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,11 unequal: No Solution Moving to Node #0,1,1 Current State: 11:[6, 21], Operations: ['42-36=6', '30-9=21'] Exploring Operation: 6+21=27, Resulting Numbers: [27] 27,11 unequal: No Solution Exploring Operation: 6*21=126, Resulting Numbers: [126] 126,11 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,11 unequal: No Solution Moving to Node #0,1,2 Current State: 11:[9, 24], Operations: ['42-36=6', '30-6=24'] Exploring Operation: 9+24=33, Resulting Numbers: [33] 33,11 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,11 unequal: No Solution Exploring Operation: 9*24=216, Resulting Numbers: [216] 216,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[36, 9, 12], Operations: ['42-30=12'] Exploring Operation: 36/9=4, Resulting Numbers: [12, 4] Generated Node #0,0,0: 11:[12, 4] Operation: 36/9=4 Exploring Operation: 36-12=24, Resulting Numbers: [9, 24] Generated Node #0,0,1: 11:[9, 24] Operation: 36-12=24 Exploring Operation: 36/12=3, Resulting Numbers: [9, 3] Generated Node #0,0,2: 11:[9, 3] Operation: 36/12=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 11:[12, 4], Operations: ['42-30=12', '36/9=4'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,11 unequal: No Solution Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 11:[9, 3], Operations: ['42-30=12', '36/12=3'] Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 11:[9, 24], Operations: ['42-30=12', '36-12=24'] Exploring Operation: 9+24=33, Resulting Numbers: [33] 33,11 unequal: No Solution Exploring Operation: 9*24=216, Resulting Numbers: [216] 216,11 unequal: No Solution Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[9, 42, 6], Operations: ['36-30=6'] Exploring Operation: 42/6=7, Resulting Numbers: [9, 7] Generated Node #0,2,0: 11:[9, 7] Operation: 42/6=7 Exploring Operation: 42-9=33, Resulting Numbers: [6, 33] Generated Node #0,2,1: 11:[6, 33] Operation: 42-9=33 Exploring Operation: 42-6=36, Resulting Numbers: [9, 36] Generated Node #0,2,2: 11:[9, 36] Operation: 42-6=36 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 11:[9, 7], Operations: ['36-30=6', '42/6=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,11 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 11:[6, 33], Operations: ['36-30=6', '42-9=33'] Exploring Operation: 6+33=39, Resulting Numbers: [39] 39,11 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,11 unequal: No Solution Exploring Operation: 6*33=198, Resulting Numbers: [198] 198,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 11:[9, 36], Operations: ['36-30=6', '42-6=36'] Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,11 unequal: No Solution Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 9+36=45, Resulting Numbers: [45] 45,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 99, 8, 33, 11 ]
48
[ "99-33=66", "8*66=528", "528/11=48" ]
Current State: 48:[99, 8, 33, 11], Operations: [] Exploring Operation: 99-33=66, Resulting Numbers: [8, 11, 66] Generated Node #2: [8, 11, 66] from Operation: 99-33=66 Current State: 48:[8, 11, 66], Operations: ['99-33=66'] Exploring Operation: 8*66=528, Resulting Numbers: [11, 528] Generated Node #3: [11, 528] from Operation: 8*66=528 Current State: 48:[11, 528], Operations: ['99-33=66', '8*66=528'] Exploring Operation: 528/11=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[99, 8, 33, 11], Operations: [] Exploring Operation: 99/11=9, Resulting Numbers: [8, 33, 9] Generated Node #0,0: 48:[8, 33, 9] Operation: 99/11=9 Exploring Operation: 99/33=3, Resulting Numbers: [8, 11, 3] Generated Node #0,1: 48:[8, 11, 3] Operation: 99/33=3 Exploring Operation: 99-33=66, Resulting Numbers: [8, 11, 66] Generated Node #0,2: 48:[8, 11, 66] Operation: 99-33=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[8, 11, 3], Operations: ['99/33=3'] Exploring Operation: 8*3=24, Resulting Numbers: [11, 24] Generated Node #0,1,0: 48:[11, 24] Operation: 8*3=24 Exploring Operation: 11-8=3, Resulting Numbers: [3, 3] Generated Node #0,1,1: 48:[3, 3] Operation: 11-8=3 Exploring Operation: 11-3=8, Resulting Numbers: [8, 8] Generated Node #0,1,2: 48:[8, 8] Operation: 11-3=8 Moving to Node #0,1,1 Current State: 48:[3, 3], Operations: ['99/33=3', '11-8=3'] Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,48 unequal: No Solution Moving to Node #0,1,2 Current State: 48:[8, 8], Operations: ['99/33=3', '11-3=8'] Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,48 unequal: No Solution Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,48 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,48 unequal: No Solution Moving to Node #0,1,0 Current State: 48:[11, 24], Operations: ['99/33=3', '8*3=24'] Exploring Operation: 11*24=264, Resulting Numbers: [264] 264,48 unequal: No Solution Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 11+24=35, Resulting Numbers: [35] 35,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[8, 33, 9], Operations: ['99/11=9'] Exploring Operation: 33+9=42, Resulting Numbers: [8, 42] Generated Node #0,0,0: 48:[8, 42] Operation: 33+9=42 Exploring Operation: 33-8=25, Resulting Numbers: [9, 25] Generated Node #0,0,1: 48:[9, 25] Operation: 33-8=25 Exploring Operation: 33-9=24, Resulting Numbers: [8, 24] Generated Node #0,0,2: 48:[8, 24] Operation: 33-9=24 Moving to Node #0,0,2 Current State: 48:[8, 24], Operations: ['99/11=9', '33-9=24'] Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,48 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,48 unequal: No Solution Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,48 unequal: No Solution Moving to Node #0,0,1 Current State: 48:[9, 25], Operations: ['99/11=9', '33-8=25'] Exploring Operation: 9*25=225, Resulting Numbers: [225] 225,48 unequal: No Solution Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,48 unequal: No Solution Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,48 unequal: No Solution Moving to Node #0,0,0 Current State: 48:[8, 42], Operations: ['99/11=9', '33+9=42'] Exploring Operation: 8+42=50, Resulting Numbers: [50] 50,48 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,48 unequal: No Solution Exploring Operation: 8*42=336, Resulting Numbers: [336] 336,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[8, 11, 66], Operations: ['99-33=66'] Exploring Operation: 66-8=58, Resulting Numbers: [11, 58] Generated Node #0,2,0: 48:[11, 58] Operation: 66-8=58 Exploring Operation: 66-11=55, Resulting Numbers: [8, 55] Generated Node #0,2,1: 48:[8, 55] Operation: 66-11=55 Exploring Operation: 66/11=6, Resulting Numbers: [8, 6] Generated Node #0,2,2: 48:[8, 6] Operation: 66/11=6 Moving to Node #0,2,2 Current State: 48:[8, 6], Operations: ['99-33=66', '66/11=6'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[99, 8, 33, 11], Operations: [] Exploring Operation: 99-33=66, Resulting Numbers: [8, 11, 66] Generated Node #0,2: 48:[8, 11, 66] Operation: 99-33=66 Moving to Node #0,2 Current State: 48:[8, 11, 66], Operations: ['99-33=66'] Exploring Operation: 66/11=6, Resulting Numbers: [8, 6] Generated Node #0,2,2: 48:[8, 6] Operation: 66/11=6 Moving to Node #0,2,2 Current State: 48:[8, 6], Operations: ['99-33=66', '66/11=6'] Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_3
mult_heuristic
[ 52, 21, 91, 23 ]
41
[ "52+21=73", "91+23=114", "114-73=41" ]
Current State: 41:[52, 21, 91, 23], Operations: [] Exploring Operation: 52+21=73, Resulting Numbers: [91, 23, 73] Generated Node #2: [91, 23, 73] from Operation: 52+21=73 Current State: 41:[91, 23, 73], Operations: ['52+21=73'] Exploring Operation: 91+23=114, Resulting Numbers: [73, 114] Generated Node #3: [73, 114] from Operation: 91+23=114 Current State: 41:[73, 114], Operations: ['52+21=73', '91+23=114'] Exploring Operation: 114-73=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[52, 21, 91, 23], Operations: [] Exploring Operation: 91-52=39, Resulting Numbers: [21, 23, 39] Generated Node #0,0: 41:[21, 23, 39] Operation: 91-52=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[21, 23, 39], Operations: ['91-52=39'] Exploring Operation: 21+23=44, Resulting Numbers: [39, 44] Generated Node #0,0,0: 41:[39, 44] Operation: 21+23=44 Moving to Node #0,0,0 Current State: 41:[39, 44], Operations: ['91-52=39', '21+23=44'] Exploring Operation: 44-39=5, Resulting Numbers: [5] 5,41 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
[ 81, 49, 90, 42 ]
81
[ "90-49=41", "42-41=1", "81*1=81" ]
Current State: 81:[81, 49, 90, 42], Operations: [] Exploring Operation: 90-49=41, Resulting Numbers: [81, 42, 41] Generated Node #2: [81, 42, 41] from Operation: 90-49=41 Current State: 81:[81, 42, 41], Operations: ['90-49=41'] Exploring Operation: 42-41=1, Resulting Numbers: [81, 1] Generated Node #3: [81, 1] from Operation: 42-41=1 Current State: 81:[81, 1], Operations: ['90-49=41', '42-41=1'] Exploring Operation: 81*1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[81, 49, 90, 42], Operations: [] Exploring Operation: 49-42=7, Resulting Numbers: [81, 90, 7] Generated Node #0,0: 81:[81, 90, 7] Operation: 49-42=7 Exploring Operation: 49+42=91, Resulting Numbers: [81, 90, 91] Generated Node #0,1: 81:[81, 90, 91] Operation: 49+42=91 Moving to Node #0,0 Current State: 81:[81, 90, 7], Operations: ['49-42=7'] Exploring Operation: 90-7=83, Resulting Numbers: [81, 83] Generated Node #0,0,0: 81:[81, 83] Operation: 90-7=83 Exploring Operation: 90-81=9, Resulting Numbers: [7, 9] Generated Node #0,0,1: 81:[7, 9] Operation: 90-81=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[81, 83], Operations: ['49-42=7', '90-7=83'] Exploring Operation: 81+83=164, Resulting Numbers: [164] 164,81 unequal: No Solution Exploring Operation: 83-81=2, Resulting Numbers: [2] 2,81 unequal: No Solution No 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: 81:[7, 9], Operations: ['49-42=7', '90-81=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,81 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,81 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: 81:[81, 90, 91], Operations: ['49+42=91'] Exploring Operation: 91-90=1, Resulting Numbers: [81, 1] Generated Node #0,1,0: 81:[81, 1] Operation: 91-90=1 Exploring Operation: 90-81=9, Resulting Numbers: [91, 9] Generated Node #0,1,1: 81:[91, 9] Operation: 90-81=9 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 81:[81, 1], Operations: ['49+42=91', '91-90=1'] Exploring Operation: 81*1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[81, 49, 90, 42], Operations: [] Exploring Operation: 49+42=91, Resulting Numbers: [81, 90, 91] Generated Node #0,1: 81:[81, 90, 91] Operation: 49+42=91 Moving to Node #0,1 Current State: 81:[81, 90, 91], Operations: ['49+42=91'] Exploring Operation: 91-90=1, Resulting Numbers: [81, 1] Generated Node #0,1,0: 81:[81, 1] Operation: 91-90=1 Moving to Node #0,1,0 Current State: 81:[81, 1], Operations: ['49+42=91', '91-90=1'] Exploring Operation: 81*1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 2, 80, 89, 5 ]
88
[ "89-5=84", "2*84=168", "168-80=88" ]
Current State: 88:[2, 80, 89, 5], Operations: [] Exploring Operation: 89-5=84, Resulting Numbers: [2, 80, 84] Generated Node #2: [2, 80, 84] from Operation: 89-5=84 Current State: 88:[2, 80, 84], Operations: ['89-5=84'] Exploring Operation: 2*84=168, Resulting Numbers: [80, 168] Generated Node #3: [80, 168] from Operation: 2*84=168 Current State: 88:[80, 168], Operations: ['89-5=84', '2*84=168'] Exploring Operation: 168-80=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[2, 80, 89, 5], Operations: [] Exploring Operation: 89-80=9, Resulting Numbers: [2, 5, 9] Generated Node #0,0: 88:[2, 5, 9] Operation: 89-80=9 Exploring Operation: 80/2=40, Resulting Numbers: [89, 5, 40] Generated Node #0,1: 88:[89, 5, 40] Operation: 80/2=40 Exploring Operation: 80/5=16, Resulting Numbers: [2, 89, 16] Generated Node #0,2: 88:[2, 89, 16] Operation: 80/5=16 Exploring Operation: 80+5=85, Resulting Numbers: [2, 89, 85] Generated Node #0,3: 88:[2, 89, 85] Operation: 80+5=85 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[2, 5, 9], Operations: ['89-80=9'] Exploring Operation: 2+5=7, Resulting Numbers: [9, 7] Generated Node #0,0,0: 88:[9, 7] Operation: 2+5=7 Exploring Operation: 2+9=11, Resulting Numbers: [5, 11] Generated Node #0,0,1: 88:[5, 11] Operation: 2+9=11 Exploring Operation: 5*9=45, Resulting Numbers: [2, 45] Generated Node #0,0,2: 88:[2, 45] Operation: 5*9=45 Exploring Operation: 9-5=4, Resulting Numbers: [2, 4] Generated Node #0,0,3: 88:[2, 4] Operation: 9-5=4 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 88:[2, 4], Operations: ['89-80=9', '9-5=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,88 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,88 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 88:[5, 11], Operations: ['89-80=9', '2+9=11'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,88 unequal: No Solution Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 88:[2, 45], Operations: ['89-80=9', '5*9=45'] Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,88 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[9, 7], Operations: ['89-80=9', '2+5=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,88 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,88 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,88 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:[2, 89, 85], Operations: ['80+5=85'] Exploring Operation: 89-2=87, Resulting Numbers: [85, 87] Generated Node #0,3,0: 88:[85, 87] Operation: 89-2=87 Exploring Operation: 2+85=87, Resulting Numbers: [89, 87] Generated Node #0,3,1: 88:[89, 87] Operation: 2+85=87 Exploring Operation: 89-85=4, Resulting Numbers: [2, 4] Generated Node #0,3,2: 88:[2, 4] Operation: 89-85=4 Exploring Operation: 2+89=91, Resulting Numbers: [85, 91] Generated Node #0,3,3: 88:[85, 91] Operation: 2+89=91 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 88:[2, 4], Operations: ['80+5=85', '89-85=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,88 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,88 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 88:[89, 87], Operations: ['80+5=85', '2+85=87'] Exploring Operation: 89-87=2, Resulting Numbers: [2] 2,88 unequal: No Solution Exploring Operation: 89*87=7743, Resulting Numbers: [7743] 7743,88 unequal: No Solution Exploring Operation: 89+87=176, Resulting Numbers: [176] 176,88 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 #0,3,0 Current State: 88:[85, 87], Operations: ['80+5=85', '89-2=87'] Exploring Operation: 85*87=7395, Resulting Numbers: [7395] 7395,88 unequal: No Solution Exploring Operation: 85+87=172, Resulting Numbers: [172] 172,88 unequal: No Solution Exploring Operation: 87-85=2, Resulting Numbers: [2] 2,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 88:[85, 91], Operations: ['80+5=85', '2+89=91'] Exploring Operation: 91-85=6, Resulting Numbers: [6] 6,88 unequal: No Solution Exploring Operation: 85*91=7735, Resulting Numbers: [7735] 7735,88 unequal: No Solution Exploring Operation: 85+91=176, Resulting Numbers: [176] 176,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[89, 5, 40], Operations: ['80/2=40'] Exploring Operation: 89-40=49, Resulting Numbers: [5, 49] Generated Node #0,1,0: 88:[5, 49] Operation: 89-40=49 Exploring Operation: 89-5=84, Resulting Numbers: [40, 84] Generated Node #0,1,1: 88:[40, 84] Operation: 89-5=84 Exploring Operation: 5+40=45, Resulting Numbers: [89, 45] Generated Node #0,1,2: 88:[89, 45] Operation: 5+40=45 Exploring Operation: 40/5=8, Resulting Numbers: [89, 8] Generated Node #0,1,3: 88:[89, 8] Operation: 40/5=8 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 88:[89, 8], Operations: ['80/2=40', '40/5=8'] Exploring Operation: 89-8=81, Resulting Numbers: [81] 81,88 unequal: No Solution Exploring Operation: 89+8=97, Resulting Numbers: [97] 97,88 unequal: No Solution Exploring Operation: 89*8=712, Resulting Numbers: [712] 712,88 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:[89, 45], Operations: ['80/2=40', '5+40=45'] Exploring Operation: 89-45=44, Resulting Numbers: [44] 44,88 unequal: No Solution Exploring Operation: 89*45=4005, Resulting Numbers: [4005] 4005,88 unequal: No Solution Exploring Operation: 89+45=134, Resulting Numbers: [134] 134,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 88:[5, 49], Operations: ['80/2=40', '89-40=49'] Exploring Operation: 5+49=54, Resulting Numbers: [54] 54,88 unequal: No Solution Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,88 unequal: No Solution Exploring Operation: 5*49=245, Resulting Numbers: [245] 245,88 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:[40, 84], Operations: ['80/2=40', '89-5=84'] Exploring Operation: 40*84=3360, Resulting Numbers: [3360] 3360,88 unequal: No Solution Exploring Operation: 84-40=44, Resulting Numbers: [44] 44,88 unequal: No Solution Exploring Operation: 40+84=124, Resulting Numbers: [124] 124,88 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:[2, 89, 16], Operations: ['80/5=16'] Exploring Operation: 89-2=87, Resulting Numbers: [16, 87] Generated Node #0,2,0: 88:[16, 87] Operation: 89-2=87 Exploring Operation: 16-2=14, Resulting Numbers: [89, 14] Generated Node #0,2,1: 88:[89, 14] Operation: 16-2=14 Exploring Operation: 2+16=18, Resulting Numbers: [89, 18] Generated Node #0,2,2: 88:[89, 18] Operation: 2+16=18 Exploring Operation: 16/2=8, Resulting Numbers: [89, 8] Generated Node #0,2,3: 88:[89, 8] Operation: 16/2=8 Moving to Node #0,2,3 Current State: 88:[89, 8], Operations: ['80/5=16', '16/2=8'] Exploring Operation: 89*8=712, Resulting Numbers: [712] 712,88 unequal: No Solution Exploring Operation: 89-8=81, Resulting Numbers: [81] 81,88 unequal: No Solution Exploring Operation: 89+8=97, Resulting Numbers: [97] 97,88 unequal: No Solution Moving to Node #0,2,1 Current State: 88:[89, 14], Operations: ['80/5=16', '16-2=14'] Exploring Operation: 89-14=75, Resulting Numbers: [75] 75,88 unequal: No Solution Exploring Operation: 89+14=103, Resulting Numbers: [103] 103,88 unequal: No Solution Exploring Operation: 89*14=1246, Resulting Numbers: [1246] 1246,88 unequal: No Solution Moving to Node #0,2,2 Current State: 88:[89, 18], Operations: ['80/5=16', '2+16=18'] Exploring Operation: 89*18=1602, Resulting Numbers: [1602] 1602,88 unequal: No Solution Exploring Operation: 89-18=71, Resulting Numbers: [71] 71,88 unequal: No Solution Exploring Operation: 89+18=107, Resulting Numbers: [107] 107,88 unequal: No Solution Moving to Node #0,2,0 Current State: 88:[16, 87], Operations: ['80/5=16', '89-2=87'] Exploring Operation: 87-16=71, Resulting Numbers: [71] 71,88 unequal: No Solution Exploring Operation: 16+87=103, Resulting Numbers: [103] 103,88 unequal: No Solution Exploring Operation: 16*87=1392, Resulting Numbers: [1392] 1392,88 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
[ 49, 28, 46, 20 ]
46
[ "49-28=21", "21-20=1", "46*1=46" ]
Current State: 46:[49, 28, 46, 20], Operations: [] Exploring Operation: 49-28=21, Resulting Numbers: [46, 20, 21] Generated Node #2: [46, 20, 21] from Operation: 49-28=21 Current State: 46:[46, 20, 21], Operations: ['49-28=21'] Exploring Operation: 21-20=1, Resulting Numbers: [46, 1] Generated Node #3: [46, 1] from Operation: 21-20=1 Current State: 46:[46, 1], Operations: ['49-28=21', '21-20=1'] Exploring Operation: 46*1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[49, 28, 46, 20], Operations: [] Exploring Operation: 49-28=21, Resulting Numbers: [46, 20, 21] Generated Node #0,0: 46:[46, 20, 21] Operation: 49-28=21 Exploring Operation: 28+20=48, Resulting Numbers: [49, 46, 48] Generated Node #0,1: 46:[49, 46, 48] Operation: 28+20=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[46, 20, 21], Operations: ['49-28=21'] Exploring Operation: 21-20=1, Resulting Numbers: [46, 1] Generated Node #0,0,0: 46:[46, 1] Operation: 21-20=1 Exploring Operation: 46-20=26, Resulting Numbers: [21, 26] Generated Node #0,0,1: 46:[21, 26] Operation: 46-20=26 Moving to Node #0,0,0 Current State: 46:[46, 1], Operations: ['49-28=21', '21-20=1'] Exploring Operation: 46*1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[49, 28, 46, 20], Operations: [] Exploring Operation: 49-28=21, Resulting Numbers: [46, 20, 21] Generated Node #0,0: 46:[46, 20, 21] Operation: 49-28=21 Moving to Node #0,0 Current State: 46:[46, 20, 21], Operations: ['49-28=21'] Exploring Operation: 21-20=1, Resulting Numbers: [46, 1] Generated Node #0,0,0: 46:[46, 1] Operation: 21-20=1 Moving to Node #0,0,0 Current State: 46:[46, 1], Operations: ['49-28=21', '21-20=1'] Exploring Operation: 46*1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 21, 16, 24, 57 ]
76
[ "21-16=5", "24+57=81", "81-5=76" ]
Current State: 76:[21, 16, 24, 57], Operations: [] Exploring Operation: 21-16=5, Resulting Numbers: [24, 57, 5] Generated Node #2: [24, 57, 5] from Operation: 21-16=5 Current State: 76:[24, 57, 5], Operations: ['21-16=5'] Exploring Operation: 24+57=81, Resulting Numbers: [5, 81] Generated Node #3: [5, 81] from Operation: 24+57=81 Current State: 76:[5, 81], Operations: ['21-16=5', '24+57=81'] Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[21, 16, 24, 57], Operations: [] Exploring Operation: 21+57=78, Resulting Numbers: [16, 24, 78] Generated Node #0,0: 76:[16, 24, 78] Operation: 21+57=78 Exploring Operation: 16+57=73, Resulting Numbers: [21, 24, 73] Generated Node #0,1: 76:[21, 24, 73] Operation: 16+57=73 Exploring Operation: 57-21=36, Resulting Numbers: [16, 24, 36] Generated Node #0,2: 76:[16, 24, 36] Operation: 57-21=36 Exploring Operation: 24+57=81, Resulting Numbers: [21, 16, 81] Generated Node #0,3: 76:[21, 16, 81] Operation: 24+57=81 Exploring Operation: 57-16=41, Resulting Numbers: [21, 24, 41] Generated Node #0,4: 76:[21, 24, 41] Operation: 57-16=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[16, 24, 78], Operations: ['21+57=78'] Exploring Operation: 78-24=54, Resulting Numbers: [16, 54] Generated Node #0,0,0: 76:[16, 54] Operation: 78-24=54 Exploring Operation: 16+78=94, Resulting Numbers: [24, 94] Generated Node #0,0,1: 76:[24, 94] Operation: 16+78=94 Exploring Operation: 78-16=62, Resulting Numbers: [24, 62] Generated Node #0,0,2: 76:[24, 62] Operation: 78-16=62 Exploring Operation: 24-16=8, Resulting Numbers: [78, 8] Generated Node #0,0,3: 76:[78, 8] Operation: 24-16=8 Exploring Operation: 16+24=40, Resulting Numbers: [78, 40] Generated Node #0,0,4: 76:[78, 40] Operation: 16+24=40 Moving to Node #0,0,4 Current State: 76:[78, 40], Operations: ['21+57=78', '16+24=40'] Exploring Operation: 78*40=3120, Resulting Numbers: [3120] 3120,76 unequal: No Solution Exploring Operation: 78-40=38, Resulting Numbers: [38] 38,76 unequal: No Solution Exploring Operation: 78+40=118, Resulting Numbers: [118] 118,76 unequal: No Solution Moving to Node #0,0,3 Current State: 76:[78, 8], Operations: ['21+57=78', '24-16=8'] Exploring Operation: 78*8=624, Resulting Numbers: [624] 624,76 unequal: No Solution Exploring Operation: 78+8=86, Resulting Numbers: [86] 86,76 unequal: No Solution Exploring Operation: 78-8=70, Resulting Numbers: [70] 70,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[16, 54], Operations: ['21+57=78', '78-24=54'] Exploring Operation: 16+54=70, Resulting Numbers: [70] 70,76 unequal: No Solution Exploring Operation: 16*54=864, Resulting Numbers: [864] 864,76 unequal: No Solution Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,76 unequal: No Solution Moving to Node #0,0,2 Current State: 76:[24, 62], Operations: ['21+57=78', '78-16=62'] Exploring Operation: 62-24=38, Resulting Numbers: [38] 38,76 unequal: No Solution Exploring Operation: 24+62=86, Resulting Numbers: [86] 86,76 unequal: No Solution Exploring Operation: 24*62=1488, Resulting Numbers: [1488] 1488,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[24, 94], Operations: ['21+57=78', '16+78=94'] Exploring Operation: 94-24=70, Resulting Numbers: [70] 70,76 unequal: No Solution Exploring Operation: 24+94=118, Resulting Numbers: [118] 118,76 unequal: No Solution Exploring Operation: 24*94=2256, Resulting Numbers: [2256] 2256,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[21, 24, 73], Operations: ['16+57=73'] Exploring Operation: 21+24=45, Resulting Numbers: [73, 45] Generated Node #0,1,0: 76:[73, 45] Operation: 21+24=45 Exploring Operation: 73-24=49, Resulting Numbers: [21, 49] Generated Node #0,1,1: 76:[21, 49] Operation: 73-24=49 Exploring Operation: 24-21=3, Resulting Numbers: [73, 3] Generated Node #0,1,2: 76:[73, 3] Operation: 24-21=3 Exploring Operation: 73-21=52, Resulting Numbers: [24, 52] Generated Node #0,1,3: 76:[24, 52] Operation: 73-21=52 Exploring Operation: 21+73=94, Resulting Numbers: [24, 94] Generated Node #0,1,4: 76:[24, 94] Operation: 21+73=94 Moving to Node #0,1,2 Current State: 76:[73, 3], Operations: ['16+57=73', '24-21=3'] Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[21, 16, 24, 57], Operations: [] Exploring Operation: 16+57=73, Resulting Numbers: [21, 24, 73] Generated Node #0,1: 76:[21, 24, 73] Operation: 16+57=73 Moving to Node #0,1 Current State: 76:[21, 24, 73], Operations: ['16+57=73'] Exploring Operation: 24-21=3, Resulting Numbers: [73, 3] Generated Node #0,1,2: 76:[73, 3] Operation: 24-21=3 Moving to Node #0,1,2 Current State: 76:[73, 3], Operations: ['16+57=73', '24-21=3'] Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_5
mult_heuristic
[ 83, 96, 68, 66 ]
24
[ "83-66=17", "96*17=1632", "1632/68=24" ]
Current State: 24:[83, 96, 68, 66], Operations: [] Exploring Operation: 83-66=17, Resulting Numbers: [96, 68, 17] Generated Node #2: [96, 68, 17] from Operation: 83-66=17 Current State: 24:[96, 68, 17], Operations: ['83-66=17'] Exploring Operation: 96*17=1632, Resulting Numbers: [68, 1632] Generated Node #3: [68, 1632] from Operation: 96*17=1632 Current State: 24:[68, 1632], Operations: ['83-66=17', '96*17=1632'] Exploring Operation: 1632/68=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[83, 96, 68, 66], Operations: [] Exploring Operation: 96-83=13, Resulting Numbers: [68, 66, 13] Generated Node #0,0: 24:[68, 66, 13] Operation: 96-83=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[68, 66, 13], Operations: ['96-83=13'] Exploring Operation: 68-66=2, Resulting Numbers: [13, 2] Generated Node #0,0,0: 24:[13, 2] Operation: 68-66=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[13, 2], Operations: ['96-83=13', '68-66=2'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,24 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
[ 56, 27, 81, 25 ]
23
[ "56+27=83", "81+25=106", "106-83=23" ]
Current State: 23:[56, 27, 81, 25], Operations: [] Exploring Operation: 56+27=83, Resulting Numbers: [81, 25, 83] Generated Node #2: [81, 25, 83] from Operation: 56+27=83 Current State: 23:[81, 25, 83], Operations: ['56+27=83'] Exploring Operation: 81+25=106, Resulting Numbers: [83, 106] Generated Node #3: [83, 106] from Operation: 81+25=106 Current State: 23:[83, 106], Operations: ['56+27=83', '81+25=106'] Exploring Operation: 106-83=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[56, 27, 81, 25], Operations: [] Exploring Operation: 81-56=25, Resulting Numbers: [27, 25, 25] Generated Node #0,0: 23:[27, 25, 25] Operation: 81-56=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[27, 25, 25], Operations: ['81-56=25'] Exploring Operation: 27-25=2, Resulting Numbers: [25, 2] Generated Node #0,0,0: 23:[25, 2] Operation: 27-25=2 Moving to Node #0,0,0 Current State: 23:[25, 2], Operations: ['81-56=25', '27-25=2'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[56, 27, 81, 25], Operations: [] Exploring Operation: 81-56=25, Resulting Numbers: [27, 25, 25] Generated Node #0,0: 23:[27, 25, 25] Operation: 81-56=25 Moving to Node #0,0 Current State: 23:[27, 25, 25], Operations: ['81-56=25'] Exploring Operation: 27-25=2, Resulting Numbers: [25, 2] Generated Node #0,0,0: 23:[25, 2] Operation: 27-25=2 Moving to Node #0,0,0 Current State: 23:[25, 2], Operations: ['81-56=25', '27-25=2'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 3, 41, 55, 22 ]
76
[ "41+22=63", "63/3=21", "55+21=76" ]
Current State: 76:[3, 41, 55, 22], Operations: [] Exploring Operation: 41+22=63, Resulting Numbers: [3, 55, 63] Generated Node #2: [3, 55, 63] from Operation: 41+22=63 Current State: 76:[3, 55, 63], Operations: ['41+22=63'] Exploring Operation: 63/3=21, Resulting Numbers: [55, 21] Generated Node #3: [55, 21] from Operation: 63/3=21 Current State: 76:[55, 21], Operations: ['41+22=63', '63/3=21'] Exploring Operation: 55+21=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[3, 41, 55, 22], Operations: [] Exploring Operation: 55-22=33, Resulting Numbers: [3, 41, 33] Generated Node #0,0: 76:[3, 41, 33] Operation: 55-22=33 Exploring Operation: 55-41=14, Resulting Numbers: [3, 22, 14] Generated Node #0,1: 76:[3, 22, 14] Operation: 55-41=14 Exploring Operation: 55+22=77, Resulting Numbers: [3, 41, 77] Generated Node #0,2: 76:[3, 41, 77] Operation: 55+22=77 Exploring Operation: 41-22=19, Resulting Numbers: [3, 55, 19] Generated Node #0,3: 76:[3, 55, 19] Operation: 41-22=19 Moving to Node #0,2 Current State: 76:[3, 41, 77], Operations: ['55+22=77'] Exploring Operation: 41-3=38, Resulting Numbers: [77, 38] Generated Node #0,2,0: 76:[77, 38] Operation: 41-3=38 Exploring Operation: 77-3=74, Resulting Numbers: [41, 74] Generated Node #0,2,1: 76:[41, 74] Operation: 77-3=74 Exploring Operation: 77-41=36, Resulting Numbers: [3, 36] Generated Node #0,2,2: 76:[3, 36] Operation: 77-41=36 Exploring Operation: 3+41=44, Resulting Numbers: [77, 44] Generated Node #0,2,3: 76:[77, 44] Operation: 3+41=44 Moving to Node #0,1 Current State: 76:[3, 22, 14], Operations: ['55-41=14'] Exploring Operation: 22-14=8, Resulting Numbers: [3, 8] Generated Node #0,1,0: 76:[3, 8] Operation: 22-14=8 Exploring Operation: 22+14=36, Resulting Numbers: [3, 36] Generated Node #0,1,1: 76:[3, 36] Operation: 22+14=36 Exploring Operation: 22-3=19, Resulting Numbers: [14, 19] Generated Node #0,1,2: 76:[14, 19] Operation: 22-3=19 Exploring Operation: 3+14=17, Resulting Numbers: [22, 17] Generated Node #0,1,3: 76:[22, 17] Operation: 3+14=17 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 76:[3, 36], Operations: ['55-41=14', '22+14=36'] Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 3*36=108, Resulting Numbers: [108] 108,76 unequal: No Solution Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 76:[3, 8], Operations: ['55-41=14', '22-14=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,76 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 76:[14, 19], Operations: ['55-41=14', '22-3=19'] Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 14*19=266, Resulting Numbers: [266] 266,76 unequal: No Solution Exploring Operation: 14+19=33, Resulting Numbers: [33] 33,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 76:[22, 17], Operations: ['55-41=14', '3+14=17'] Exploring Operation: 22*17=374, Resulting Numbers: [374] 374,76 unequal: No Solution Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 76:[3, 41, 33], Operations: ['55-22=33'] Exploring Operation: 41-3=38, Resulting Numbers: [33, 38] Generated Node #0,0,0: 76:[33, 38] Operation: 41-3=38 Exploring Operation: 41-33=8, Resulting Numbers: [3, 8] Generated Node #0,0,1: 76:[3, 8] Operation: 41-33=8 Exploring Operation: 41+33=74, Resulting Numbers: [3, 74] Generated Node #0,0,2: 76:[3, 74] Operation: 41+33=74 Exploring Operation: 3+33=36, Resulting Numbers: [41, 36] Generated Node #0,0,3: 76:[41, 36] Operation: 3+33=36 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 76:[3, 74], Operations: ['55-22=33', '41+33=74'] Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,76 unequal: No Solution Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,76 unequal: No Solution Exploring Operation: 3*74=222, Resulting Numbers: [222] 222,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[33, 38], Operations: ['55-22=33', '41-3=38'] Exploring Operation: 33*38=1254, Resulting Numbers: [1254] 1254,76 unequal: No Solution Exploring Operation: 33+38=71, Resulting Numbers: [71] 71,76 unequal: No Solution Exploring Operation: 38-33=5, Resulting Numbers: [5] 5,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 76:[3, 8], Operations: ['55-22=33', '41-33=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 76:[41, 36], Operations: ['55-22=33', '3+33=36'] Exploring Operation: 41-36=5, Resulting Numbers: [5] 5,76 unequal: No Solution Exploring Operation: 41*36=1476, Resulting Numbers: [1476] 1476,76 unequal: No Solution Exploring Operation: 41+36=77, Resulting Numbers: [77] 77,76 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: 76:[3, 55, 19], Operations: ['41-22=19'] Exploring Operation: 3+55=58, Resulting Numbers: [19, 58] Generated Node #0,3,0: 76:[19, 58] Operation: 3+55=58 Exploring Operation: 55-19=36, Resulting Numbers: [3, 36] Generated Node #0,3,1: 76:[3, 36] Operation: 55-19=36 Exploring Operation: 55-3=52, Resulting Numbers: [19, 52] Generated Node #0,3,2: 76:[19, 52] Operation: 55-3=52 Exploring Operation: 55+19=74, Resulting Numbers: [3, 74] Generated Node #0,3,3: 76:[3, 74] Operation: 55+19=74 Moving to Node #0,2,0 Current State: 76:[77, 38], Operations: ['55+22=77', '41-3=38'] Exploring Operation: 77+38=115, Resulting Numbers: [115] 115,76 unequal: No Solution Exploring Operation: 77-38=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 77*38=2926, Resulting Numbers: [2926] 2926,76 unequal: No Solution Moving to Node #0,3,3 Current State: 76:[3, 74], Operations: ['41-22=19', '55+19=74'] Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,76 unequal: No Solution Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,76 unequal: No Solution Exploring Operation: 3*74=222, Resulting Numbers: [222] 222,76 unequal: No Solution Moving to Node #0,2,2 Current State: 76:[3, 36], Operations: ['55+22=77', '77-41=36'] Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,76 unequal: No Solution Exploring Operation: 3*36=108, Resulting Numbers: [108] 108,76 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,76 unequal: No Solution Moving to Node #0,3,1 Current State: 76:[3, 36], Operations: ['41-22=19', '55-19=36'] Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,76 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 3*36=108, Resulting Numbers: [108] 108,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[41, 74], Operations: ['55+22=77', '77-3=74'] Exploring Operation: 41+74=115, Resulting Numbers: [115] 115,76 unequal: No Solution Exploring Operation: 74-41=33, Resulting Numbers: [33] 33,76 unequal: No Solution Exploring Operation: 41*74=3034, Resulting Numbers: [3034] 3034,76 unequal: No Solution Moving to Node #0,2,3 Current State: 76:[77, 44], Operations: ['55+22=77', '3+41=44'] Exploring Operation: 77*44=3388, Resulting Numbers: [3388] 3388,76 unequal: No Solution Exploring Operation: 77+44=121, Resulting Numbers: [121] 121,76 unequal: No Solution Exploring Operation: 77-44=33, Resulting Numbers: [33] 33,76 unequal: No Solution Moving to Node #0,3,2 Current State: 76:[19, 52], Operations: ['41-22=19', '55-3=52'] Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,76 unequal: No Solution Exploring Operation: 19*52=988, Resulting Numbers: [988] 988,76 unequal: No Solution Exploring Operation: 19+52=71, Resulting Numbers: [71] 71,76 unequal: No Solution Moving to Node #0,3,0 Current State: 76:[19, 58], Operations: ['41-22=19', '3+55=58'] Exploring Operation: 19+58=77, Resulting Numbers: [77] 77,76 unequal: No Solution Exploring Operation: 19*58=1102, Resulting Numbers: [1102] 1102,76 unequal: No Solution Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,76 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 49, 79, 10, 15 ]
25
[ "79-49=30", "15-10=5", "30-5=25" ]
Current State: 25:[49, 79, 10, 15], Operations: [] Exploring Operation: 79-49=30, Resulting Numbers: [10, 15, 30] Generated Node #2: [10, 15, 30] from Operation: 79-49=30 Current State: 25:[10, 15, 30], Operations: ['79-49=30'] Exploring Operation: 15-10=5, Resulting Numbers: [30, 5] Generated Node #3: [30, 5] from Operation: 15-10=5 Current State: 25:[30, 5], Operations: ['79-49=30', '15-10=5'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[49, 79, 10, 15], Operations: [] Exploring Operation: 49-15=34, Resulting Numbers: [79, 10, 34] Generated Node #0,0: 25:[79, 10, 34] Operation: 49-15=34 Exploring Operation: 79-15=64, Resulting Numbers: [49, 10, 64] Generated Node #0,1: 25:[49, 10, 64] Operation: 79-15=64 Exploring Operation: 79-49=30, Resulting Numbers: [10, 15, 30] Generated Node #0,2: 25:[10, 15, 30] Operation: 79-49=30 Exploring Operation: 49-10=39, Resulting Numbers: [79, 15, 39] Generated Node #0,3: 25:[79, 15, 39] Operation: 49-10=39 Exploring Operation: 79-10=69, Resulting Numbers: [49, 15, 69] Generated Node #0,4: 25:[49, 15, 69] Operation: 79-10=69 Moving to Node #0,2 Current State: 25:[10, 15, 30], Operations: ['79-49=30'] Exploring Operation: 30-10=20, Resulting Numbers: [15, 20] Generated Node #0,2,0: 25:[15, 20] Operation: 30-10=20 Exploring Operation: 15-10=5, Resulting Numbers: [30, 5] Generated Node #0,2,1: 25:[30, 5] Operation: 15-10=5 Exploring Operation: 10+15=25, Resulting Numbers: [30, 25] Generated Node #0,2,2: 25:[30, 25] Operation: 10+15=25 Exploring Operation: 30/10=3, Resulting Numbers: [15, 3] Generated Node #0,2,3: 25:[15, 3] Operation: 30/10=3 Exploring Operation: 30/15=2, Resulting Numbers: [10, 2] Generated Node #0,2,4: 25:[10, 2] Operation: 30/15=2 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 25:[30, 5], Operations: ['79-49=30', '15-10=5'] Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,25 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,25 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[49, 79, 10, 15], Operations: [] Exploring Operation: 79-49=30, Resulting Numbers: [10, 15, 30] Generated Node #0,2: 25:[10, 15, 30] Operation: 79-49=30 Moving to Node #0,2 Current State: 25:[10, 15, 30], Operations: ['79-49=30'] Exploring Operation: 15-10=5, Resulting Numbers: [30, 5] Generated Node #0,2,1: 25:[30, 5] Operation: 15-10=5 Moving to Node #0,2,1 Current State: 25:[30, 5], Operations: ['79-49=30', '15-10=5'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 30, 57, 74, 69 ]
51
[ "74-69=5", "30/5=6", "57-6=51" ]
Current State: 51:[30, 57, 74, 69], Operations: [] Exploring Operation: 74-69=5, Resulting Numbers: [30, 57, 5] Generated Node #2: [30, 57, 5] from Operation: 74-69=5 Current State: 51:[30, 57, 5], Operations: ['74-69=5'] Exploring Operation: 30/5=6, Resulting Numbers: [57, 6] Generated Node #3: [57, 6] from Operation: 30/5=6 Current State: 51:[57, 6], Operations: ['74-69=5', '30/5=6'] Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[30, 57, 74, 69], Operations: [] Exploring Operation: 69-57=12, Resulting Numbers: [30, 74, 12] Generated Node #0,0: 51:[30, 74, 12] Operation: 69-57=12 Exploring Operation: 74-30=44, Resulting Numbers: [57, 69, 44] Generated Node #0,1: 51:[57, 69, 44] Operation: 74-30=44 Exploring Operation: 69-30=39, Resulting Numbers: [57, 74, 39] Generated Node #0,2: 51:[57, 74, 39] Operation: 69-30=39 Exploring Operation: 74-69=5, Resulting Numbers: [30, 57, 5] Generated Node #0,3: 51:[30, 57, 5] Operation: 74-69=5 Exploring Operation: 74-57=17, Resulting Numbers: [30, 69, 17] Generated Node #0,4: 51:[30, 69, 17] Operation: 74-57=17 Moving to Node #0,3 Current State: 51:[30, 57, 5], Operations: ['74-69=5'] Exploring Operation: 57-5=52, Resulting Numbers: [30, 52] Generated Node #0,3,0: 51:[30, 52] Operation: 57-5=52 Exploring Operation: 30-5=25, Resulting Numbers: [57, 25] Generated Node #0,3,1: 51:[57, 25] Operation: 30-5=25 Exploring Operation: 30/5=6, Resulting Numbers: [57, 6] Generated Node #0,3,2: 51:[57, 6] Operation: 30/5=6 Exploring Operation: 30+5=35, Resulting Numbers: [57, 35] Generated Node #0,3,3: 51:[57, 35] Operation: 30+5=35 Exploring Operation: 57-30=27, Resulting Numbers: [5, 27] Generated Node #0,3,4: 51:[5, 27] Operation: 57-30=27 Moving to Node #0,4 Current State: 51:[30, 69, 17], Operations: ['74-57=17'] Exploring Operation: 69-30=39, Resulting Numbers: [17, 39] Generated Node #0,4,0: 51:[17, 39] Operation: 69-30=39 Exploring Operation: 30+17=47, Resulting Numbers: [69, 47] Generated Node #0,4,1: 51:[69, 47] Operation: 30+17=47 Exploring Operation: 30-17=13, Resulting Numbers: [69, 13] Generated Node #0,4,2: 51:[69, 13] Operation: 30-17=13 Exploring Operation: 69-17=52, Resulting Numbers: [30, 52] Generated Node #0,4,3: 51:[30, 52] Operation: 69-17=52 Exploring Operation: 30+69=99, Resulting Numbers: [17, 99] Generated Node #0,4,4: 51:[17, 99] Operation: 30+69=99 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 51:[17, 39], Operations: ['74-57=17', '69-30=39'] Exploring Operation: 17+39=56, Resulting Numbers: [56] 56,51 unequal: No Solution Exploring Operation: 17*39=663, Resulting Numbers: [663] 663,51 unequal: No Solution Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,51 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 #0,4,3 Current State: 51:[30, 52], Operations: ['74-57=17', '69-17=52'] Exploring Operation: 30*52=1560, Resulting Numbers: [1560] 1560,51 unequal: No Solution Exploring Operation: 52-30=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 30+52=82, Resulting Numbers: [82] 82,51 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 #0,4,1 Current State: 51:[69, 47], Operations: ['74-57=17', '30+17=47'] Exploring Operation: 69*47=3243, Resulting Numbers: [3243] 3243,51 unequal: No Solution Exploring Operation: 69-47=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 69+47=116, Resulting Numbers: [116] 116,51 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 #0,4,2 Current State: 51:[69, 13], Operations: ['74-57=17', '30-17=13'] Exploring Operation: 69*13=897, Resulting Numbers: [897] 897,51 unequal: No Solution Exploring Operation: 69+13=82, Resulting Numbers: [82] 82,51 unequal: No Solution Exploring Operation: 69-13=56, Resulting Numbers: [56] 56,51 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 #0,4,4 Current State: 51:[17, 99], Operations: ['74-57=17', '30+69=99'] Exploring Operation: 17+99=116, Resulting Numbers: [116] 116,51 unequal: No Solution Exploring Operation: 17*99=1683, Resulting Numbers: [1683] 1683,51 unequal: No Solution Exploring Operation: 99-17=82, Resulting Numbers: [82] 82,51 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: 51:[57, 69, 44], Operations: ['74-30=44'] Exploring Operation: 69-44=25, Resulting Numbers: [57, 25] Generated Node #0,1,0: 51:[57, 25] Operation: 69-44=25 Exploring Operation: 69-57=12, Resulting Numbers: [44, 12] Generated Node #0,1,1: 51:[44, 12] Operation: 69-57=12 Exploring Operation: 57-44=13, Resulting Numbers: [69, 13] Generated Node #0,1,2: 51:[69, 13] Operation: 57-44=13 Exploring Operation: 57+44=101, Resulting Numbers: [69, 101] Generated Node #0,1,3: 51:[69, 101] Operation: 57+44=101 Exploring Operation: 69+44=113, Resulting Numbers: [57, 113] Generated Node #0,1,4: 51:[57, 113] Operation: 69+44=113 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 51:[44, 12], Operations: ['74-30=44', '69-57=12'] Exploring Operation: 44+12=56, Resulting Numbers: [56] 56,51 unequal: No Solution Exploring Operation: 44-12=32, Resulting Numbers: [32] 32,51 unequal: No Solution Exploring Operation: 44*12=528, Resulting Numbers: [528] 528,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 51:[57, 25], Operations: ['74-30=44', '69-44=25'] Exploring Operation: 57-25=32, Resulting Numbers: [32] 32,51 unequal: No Solution Exploring Operation: 57+25=82, Resulting Numbers: [82] 82,51 unequal: No Solution Exploring Operation: 57*25=1425, Resulting Numbers: [1425] 1425,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 51:[69, 13], Operations: ['74-30=44', '57-44=13'] Exploring Operation: 69-13=56, Resulting Numbers: [56] 56,51 unequal: No Solution Exploring Operation: 69*13=897, Resulting Numbers: [897] 897,51 unequal: No Solution Exploring Operation: 69+13=82, Resulting Numbers: [82] 82,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 51:[69, 101], Operations: ['74-30=44', '57+44=101'] Exploring Operation: 69*101=6969, Resulting Numbers: [6969] 6969,51 unequal: No Solution Exploring Operation: 101-69=32, Resulting Numbers: [32] 32,51 unequal: No Solution Exploring Operation: 69+101=170, Resulting Numbers: [170] 170,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 51:[57, 113], Operations: ['74-30=44', '69+44=113'] Exploring Operation: 57+113=170, Resulting Numbers: [170] 170,51 unequal: No Solution Exploring Operation: 57*113=6441, Resulting Numbers: [6441] 6441,51 unequal: No Solution Exploring Operation: 113-57=56, Resulting Numbers: [56] 56,51 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: 51:[30, 74, 12], Operations: ['69-57=12'] Exploring Operation: 74-12=62, Resulting Numbers: [30, 62] Generated Node #0,0,0: 51:[30, 62] Operation: 74-12=62 Exploring Operation: 74+12=86, Resulting Numbers: [30, 86] Generated Node #0,0,1: 51:[30, 86] Operation: 74+12=86 Exploring Operation: 30+12=42, Resulting Numbers: [74, 42] Generated Node #0,0,2: 51:[74, 42] Operation: 30+12=42 Exploring Operation: 74-30=44, Resulting Numbers: [12, 44] Generated Node #0,0,3: 51:[12, 44] Operation: 74-30=44 Exploring Operation: 30-12=18, Resulting Numbers: [74, 18] Generated Node #0,0,4: 51:[74, 18] Operation: 30-12=18 Moving to Node #0,2 Current State: 51:[57, 74, 39], Operations: ['69-30=39'] Exploring Operation: 74-57=17, Resulting Numbers: [39, 17] Generated Node #0,2,0: 51:[39, 17] Operation: 74-57=17 Exploring Operation: 57-39=18, Resulting Numbers: [74, 18] Generated Node #0,2,1: 51:[74, 18] Operation: 57-39=18 Exploring Operation: 57+39=96, Resulting Numbers: [74, 96] Generated Node #0,2,2: 51:[74, 96] Operation: 57+39=96 Exploring Operation: 74-39=35, Resulting Numbers: [57, 35] Generated Node #0,2,3: 51:[57, 35] Operation: 74-39=35 Exploring Operation: 74+39=113, Resulting Numbers: [57, 113] Generated Node #0,2,4: 51:[57, 113] Operation: 74+39=113 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 51:[39, 17], Operations: ['69-30=39', '74-57=17'] Exploring Operation: 39*17=663, Resulting Numbers: [663] 663,51 unequal: No Solution Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 39+17=56, Resulting Numbers: [56] 56,51 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 #0,2,3 Current State: 51:[57, 35], Operations: ['69-30=39', '74-39=35'] Exploring Operation: 57-35=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 57+35=92, Resulting Numbers: [92] 92,51 unequal: No Solution Exploring Operation: 57*35=1995, Resulting Numbers: [1995] 1995,51 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 #0,2,1 Current State: 51:[74, 18], Operations: ['69-30=39', '57-39=18'] Exploring Operation: 74-18=56, Resulting Numbers: [56] 56,51 unequal: No Solution Exploring Operation: 74*18=1332, Resulting Numbers: [1332] 1332,51 unequal: No Solution Exploring Operation: 74+18=92, Resulting Numbers: [92] 92,51 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 #0,2,2 Current State: 51:[74, 96], Operations: ['69-30=39', '57+39=96'] Exploring Operation: 96-74=22, Resulting Numbers: [22] 22,51 unequal: No Solution Exploring Operation: 74*96=7104, Resulting Numbers: [7104] 7104,51 unequal: No Solution Exploring Operation: 74+96=170, Resulting Numbers: [170] 170,51 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 #0,2,4 Current State: 51:[57, 113], Operations: ['69-30=39', '74+39=113'] Exploring Operation: 113-57=56, Resulting Numbers: [56] 56,51 unequal: No Solution Exploring Operation: 57+113=170, Resulting Numbers: [170] 170,51 unequal: No Solution Exploring Operation: 57*113=6441, Resulting Numbers: [6441] 6441,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 51:[57, 6], Operations: ['74-69=5', '30/5=6'] Exploring Operation: 57*6=342, Resulting Numbers: [342] 342,51 unequal: No Solution Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[30, 57, 74, 69], Operations: [] Exploring Operation: 74-69=5, Resulting Numbers: [30, 57, 5] Generated Node #0,3: 51:[30, 57, 5] Operation: 74-69=5 Moving to Node #0,3 Current State: 51:[30, 57, 5], Operations: ['74-69=5'] Exploring Operation: 30/5=6, Resulting Numbers: [57, 6] Generated Node #0,3,2: 51:[57, 6] Operation: 30/5=6 Moving to Node #0,3,2 Current State: 51:[57, 6], Operations: ['74-69=5', '30/5=6'] Exploring Operation: 57-6=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
0.929688
hs_5
sum_heuristic
[ 84, 54, 41, 86 ]
26
[ "86-84=2", "54-41=13", "2*13=26" ]
Current State: 26:[84, 54, 41, 86], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [54, 41, 2] Generated Node #2: [54, 41, 2] from Operation: 86-84=2 Current State: 26:[54, 41, 2], Operations: ['86-84=2'] Exploring Operation: 54-41=13, Resulting Numbers: [2, 13] Generated Node #3: [2, 13] from Operation: 54-41=13 Current State: 26:[2, 13], Operations: ['86-84=2', '54-41=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[84, 54, 41, 86], Operations: [] Exploring Operation: 84-54=30, Resulting Numbers: [41, 86, 30] Generated Node #0,0: 26:[41, 86, 30] Operation: 84-54=30 Exploring Operation: 84-41=43, Resulting Numbers: [54, 86, 43] Generated Node #0,1: 26:[54, 86, 43] Operation: 84-41=43 Exploring Operation: 86-84=2, Resulting Numbers: [54, 41, 2] Generated Node #0,2: 26:[54, 41, 2] Operation: 86-84=2 Exploring Operation: 86-54=32, Resulting Numbers: [84, 41, 32] Generated Node #0,3: 26:[84, 41, 32] Operation: 86-54=32 Exploring Operation: 86-41=45, Resulting Numbers: [84, 54, 45] Generated Node #0,4: 26:[84, 54, 45] Operation: 86-41=45 Moving to Node #0,2 Current State: 26:[54, 41, 2], Operations: ['86-84=2'] Exploring Operation: 54/2=27, Resulting Numbers: [41, 27] Generated Node #0,2,0: 26:[41, 27] Operation: 54/2=27 Exploring Operation: 54+2=56, Resulting Numbers: [41, 56] Generated Node #0,2,1: 26:[41, 56] Operation: 54+2=56 Exploring Operation: 54-41=13, Resulting Numbers: [2, 13] Generated Node #0,2,2: 26:[2, 13] Operation: 54-41=13 Exploring Operation: 54-2=52, Resulting Numbers: [41, 52] Generated Node #0,2,3: 26:[41, 52] Operation: 54-2=52 Exploring Operation: 41-2=39, Resulting Numbers: [54, 39] Generated Node #0,2,4: 26:[54, 39] Operation: 41-2=39 Moving to Node #0,3 Current State: 26:[84, 41, 32], Operations: ['86-54=32'] Exploring Operation: 84+41=125, Resulting Numbers: [32, 125] Generated Node #0,3,0: 26:[32, 125] Operation: 84+41=125 Exploring Operation: 84+32=116, Resulting Numbers: [41, 116] Generated Node #0,3,1: 26:[41, 116] Operation: 84+32=116 Exploring Operation: 84-41=43, Resulting Numbers: [32, 43] Generated Node #0,3,2: 26:[32, 43] Operation: 84-41=43 Exploring Operation: 84-32=52, Resulting Numbers: [41, 52] Generated Node #0,3,3: 26:[41, 52] Operation: 84-32=52 Exploring Operation: 41-32=9, Resulting Numbers: [84, 9] Generated Node #0,3,4: 26:[84, 9] Operation: 41-32=9 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 26:[32, 43], Operations: ['86-54=32', '84-41=43'] Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,26 unequal: No Solution Exploring Operation: 32+43=75, Resulting Numbers: [75] 75,26 unequal: No Solution Exploring Operation: 32*43=1376, Resulting Numbers: [1376] 1376,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 26:[41, 52], Operations: ['86-54=32', '84-32=52'] Exploring Operation: 52-41=11, Resulting Numbers: [11] 11,26 unequal: No Solution Exploring Operation: 41+52=93, Resulting Numbers: [93] 93,26 unequal: No Solution Exploring Operation: 41*52=2132, Resulting Numbers: [2132] 2132,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 26:[84, 9], Operations: ['86-54=32', '41-32=9'] Exploring Operation: 84*9=756, Resulting Numbers: [756] 756,26 unequal: No Solution Exploring Operation: 84+9=93, Resulting Numbers: [93] 93,26 unequal: No Solution Exploring Operation: 84-9=75, Resulting Numbers: [75] 75,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 26:[32, 125], Operations: ['86-54=32', '84+41=125'] Exploring Operation: 32+125=157, Resulting Numbers: [157] 157,26 unequal: No Solution Exploring Operation: 32*125=4000, Resulting Numbers: [4000] 4000,26 unequal: No Solution Exploring Operation: 125-32=93, Resulting Numbers: [93] 93,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 26:[41, 116], Operations: ['86-54=32', '84+32=116'] Exploring Operation: 116-41=75, Resulting Numbers: [75] 75,26 unequal: No Solution Exploring Operation: 41*116=4756, Resulting Numbers: [4756] 4756,26 unequal: No Solution Exploring Operation: 41+116=157, Resulting Numbers: [157] 157,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 26:[41, 86, 30], Operations: ['84-54=30'] Exploring Operation: 41-30=11, Resulting Numbers: [86, 11] Generated Node #0,0,0: 26:[86, 11] Operation: 41-30=11 Exploring Operation: 86-41=45, Resulting Numbers: [30, 45] Generated Node #0,0,1: 26:[30, 45] Operation: 86-41=45 Exploring Operation: 86-30=56, Resulting Numbers: [41, 56] Generated Node #0,0,2: 26:[41, 56] Operation: 86-30=56 Exploring Operation: 41+30=71, Resulting Numbers: [86, 71] Generated Node #0,0,3: 26:[86, 71] Operation: 41+30=71 Exploring Operation: 41+86=127, Resulting Numbers: [30, 127] Generated Node #0,0,4: 26:[30, 127] Operation: 41+86=127 Moving to Node #0,1 Current State: 26:[54, 86, 43], Operations: ['84-41=43'] Exploring Operation: 54+86=140, Resulting Numbers: [43, 140] Generated Node #0,1,0: 26:[43, 140] Operation: 54+86=140 Exploring Operation: 86-43=43, Resulting Numbers: [54, 43] Generated Node #0,1,1: 26:[54, 43] Operation: 86-43=43 Exploring Operation: 54-43=11, Resulting Numbers: [86, 11] Generated Node #0,1,2: 26:[86, 11] Operation: 54-43=11 Exploring Operation: 86-54=32, Resulting Numbers: [43, 32] Generated Node #0,1,3: 26:[43, 32] Operation: 86-54=32 Exploring Operation: 86/43=2, Resulting Numbers: [54, 2] Generated Node #0,1,4: 26:[54, 2] Operation: 86/43=2 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 26:[43, 32], Operations: ['84-41=43', '86-54=32'] Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,26 unequal: No Solution Exploring Operation: 43+32=75, Resulting Numbers: [75] 75,26 unequal: No Solution Exploring Operation: 43*32=1376, Resulting Numbers: [1376] 1376,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 26:[54, 2], Operations: ['84-41=43', '86/43=2'] Exploring Operation: 54+2=56, Resulting Numbers: [56] 56,26 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,26 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,26 unequal: No Solution Exploring Operation: 54*2=108, Resulting Numbers: [108] 108,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[54, 43], Operations: ['84-41=43', '86-43=43'] Exploring Operation: 54+43=97, Resulting Numbers: [97] 97,26 unequal: No Solution Exploring Operation: 54-43=11, Resulting Numbers: [11] 11,26 unequal: No Solution Exploring Operation: 54*43=2322, Resulting Numbers: [2322] 2322,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 26:[86, 11], Operations: ['84-41=43', '54-43=11'] Exploring Operation: 86*11=946, Resulting Numbers: [946] 946,26 unequal: No Solution Exploring Operation: 86+11=97, Resulting Numbers: [97] 97,26 unequal: No Solution Exploring Operation: 86-11=75, Resulting Numbers: [75] 75,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[43, 140], Operations: ['84-41=43', '54+86=140'] Exploring Operation: 43+140=183, Resulting Numbers: [183] 183,26 unequal: No Solution Exploring Operation: 140-43=97, Resulting Numbers: [97] 97,26 unequal: No Solution Exploring Operation: 43*140=6020, Resulting Numbers: [6020] 6020,26 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: 26:[84, 54, 45], Operations: ['86-41=45'] Exploring Operation: 84-45=39, Resulting Numbers: [54, 39] Generated Node #0,4,0: 26:[54, 39] Operation: 84-45=39 Exploring Operation: 84+45=129, Resulting Numbers: [54, 129] Generated Node #0,4,1: 26:[54, 129] Operation: 84+45=129 Exploring Operation: 54-45=9, Resulting Numbers: [84, 9] Generated Node #0,4,2: 26:[84, 9] Operation: 54-45=9 Exploring Operation: 84+54=138, Resulting Numbers: [45, 138] Generated Node #0,4,3: 26:[45, 138] Operation: 84+54=138 Exploring Operation: 84-54=30, Resulting Numbers: [45, 30] Generated Node #0,4,4: 26:[45, 30] Operation: 84-54=30 Moving to Node #0,2,2 Current State: 26:[2, 13], Operations: ['86-84=2', '54-41=13'] Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,26 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,26 unequal: No Solution Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[84, 54, 41, 86], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [54, 41, 2] Generated Node #0,2: 26:[54, 41, 2] Operation: 86-84=2 Moving to Node #0,2 Current State: 26:[54, 41, 2], Operations: ['86-84=2'] Exploring Operation: 54-41=13, Resulting Numbers: [2, 13] Generated Node #0,2,2: 26:[2, 13] Operation: 54-41=13 Moving to Node #0,2,2 Current State: 26:[2, 13], Operations: ['86-84=2', '54-41=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
0.940972
hs_5
sum_heuristic
[ 15, 89, 86, 38 ]
20
[ "15+89=104", "86+38=124", "124-104=20" ]
Current State: 20:[15, 89, 86, 38], Operations: [] Exploring Operation: 15+89=104, Resulting Numbers: [86, 38, 104] Generated Node #2: [86, 38, 104] from Operation: 15+89=104 Current State: 20:[86, 38, 104], Operations: ['15+89=104'] Exploring Operation: 86+38=124, Resulting Numbers: [104, 124] Generated Node #3: [104, 124] from Operation: 86+38=124 Current State: 20:[104, 124], Operations: ['15+89=104', '86+38=124'] Exploring Operation: 124-104=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[15, 89, 86, 38], Operations: [] Exploring Operation: 86-38=48, Resulting Numbers: [15, 89, 48] Generated Node #0,0: 20:[15, 89, 48] Operation: 86-38=48 Exploring Operation: 89-86=3, Resulting Numbers: [15, 38, 3] Generated Node #0,1: 20:[15, 38, 3] Operation: 89-86=3 Exploring Operation: 89-38=51, Resulting Numbers: [15, 86, 51] Generated Node #0,2: 20:[15, 86, 51] Operation: 89-38=51 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[15, 38, 3], Operations: ['89-86=3'] Exploring Operation: 15+3=18, Resulting Numbers: [38, 18] Generated Node #0,1,0: 20:[38, 18] Operation: 15+3=18 Exploring Operation: 38-15=23, Resulting Numbers: [3, 23] Generated Node #0,1,1: 20:[3, 23] Operation: 38-15=23 Exploring Operation: 15/3=5, Resulting Numbers: [38, 5] Generated Node #0,1,2: 20:[38, 5] Operation: 15/3=5 Moving to Node #0,1,1 Current State: 20:[3, 23], Operations: ['89-86=3', '38-15=23'] Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,20 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[15, 89, 86, 38], Operations: [] Exploring Operation: 89-86=3, Resulting Numbers: [15, 38, 3] Generated Node #0,1: 20:[15, 38, 3] Operation: 89-86=3 Moving to Node #0,1 Current State: 20:[15, 38, 3], Operations: ['89-86=3'] Exploring Operation: 38-15=23, Resulting Numbers: [3, 23] Generated Node #0,1,1: 20:[3, 23] Operation: 38-15=23 Moving to Node #0,1,1 Current State: 20:[3, 23], Operations: ['89-86=3', '38-15=23'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 28, 4, 14, 38 ]
45
[ "28/4=7", "14+38=52", "52-7=45" ]
Current State: 45:[28, 4, 14, 38], Operations: [] Exploring Operation: 28/4=7, Resulting Numbers: [14, 38, 7] Generated Node #2: [14, 38, 7] from Operation: 28/4=7 Current State: 45:[14, 38, 7], Operations: ['28/4=7'] Exploring Operation: 14+38=52, Resulting Numbers: [7, 52] Generated Node #3: [7, 52] from Operation: 14+38=52 Current State: 45:[7, 52], Operations: ['28/4=7', '14+38=52'] Exploring Operation: 52-7=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[28, 4, 14, 38], Operations: [] Exploring Operation: 28-14=14, Resulting Numbers: [4, 38, 14] Generated Node #0,0: 45:[4, 38, 14] Operation: 28-14=14 Exploring Operation: 38-28=10, Resulting Numbers: [4, 14, 10] Generated Node #0,1: 45:[4, 14, 10] Operation: 38-28=10 Moving to Node #0,1 Current State: 45:[4, 14, 10], Operations: ['38-28=10'] Exploring Operation: 14-4=10, Resulting Numbers: [10, 10] Generated Node #0,1,0: 45:[10, 10] Operation: 14-4=10 Exploring Operation: 4+10=14, Resulting Numbers: [14, 14] Generated Node #0,1,1: 45:[14, 14] Operation: 4+10=14 Moving to Node #0,0 Current State: 45:[4, 38, 14], Operations: ['28-14=14'] Exploring Operation: 4+38=42, Resulting Numbers: [14, 42] Generated Node #0,0,0: 45:[14, 42] Operation: 4+38=42 Exploring Operation: 14-4=10, Resulting Numbers: [38, 10] Generated Node #0,0,1: 45:[38, 10] Operation: 14-4=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 45:[14, 42], Operations: ['28-14=14', '4+38=42'] Exploring Operation: 14+42=56, Resulting Numbers: [56] 56,45 unequal: No Solution Exploring Operation: 42/14=3, Resulting Numbers: [3] 3,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 45:[38, 10], Operations: ['28-14=14', '14-4=10'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,45 unequal: No Solution Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,45 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: 45:[10, 10], Operations: ['38-28=10', '14-4=10'] Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,45 unequal: No Solution Moving to Node #0,1,1 Current State: 45:[14, 14], Operations: ['38-28=10', '4+10=14'] Exploring Operation: 14/14=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 14-14=0, Resulting Numbers: [0] 0,45 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 37, 59, 27, 57 ]
32
[ "37+27=64", "59-57=2", "64/2=32" ]
Current State: 32:[37, 59, 27, 57], Operations: [] Exploring Operation: 37+27=64, Resulting Numbers: [59, 57, 64] Generated Node #2: [59, 57, 64] from Operation: 37+27=64 Current State: 32:[59, 57, 64], Operations: ['37+27=64'] Exploring Operation: 59-57=2, Resulting Numbers: [64, 2] Generated Node #3: [64, 2] from Operation: 59-57=2 Current State: 32:[64, 2], Operations: ['37+27=64', '59-57=2'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[37, 59, 27, 57], Operations: [] Exploring Operation: 59-27=32, Resulting Numbers: [37, 57, 32] Generated Node #0,0: 32:[37, 57, 32] Operation: 59-27=32 Exploring Operation: 59-57=2, Resulting Numbers: [37, 27, 2] Generated Node #0,1: 32:[37, 27, 2] Operation: 59-57=2 Exploring Operation: 57-27=30, Resulting Numbers: [37, 59, 30] Generated Node #0,2: 32:[37, 59, 30] Operation: 57-27=30 Moving to Node #0,1 Current State: 32:[37, 27, 2], Operations: ['59-57=2'] Exploring Operation: 27+2=29, Resulting Numbers: [37, 29] Generated Node #0,1,0: 32:[37, 29] Operation: 27+2=29 Exploring Operation: 37-2=35, Resulting Numbers: [27, 35] Generated Node #0,1,1: 32:[27, 35] Operation: 37-2=35 Exploring Operation: 37-27=10, Resulting Numbers: [2, 10] Generated Node #0,1,2: 32:[2, 10] Operation: 37-27=10 Moving to Node #0,0 Current State: 32:[37, 57, 32], Operations: ['59-27=32'] Exploring Operation: 57-32=25, Resulting Numbers: [37, 25] Generated Node #0,0,0: 32:[37, 25] Operation: 57-32=25 Exploring Operation: 37-32=5, Resulting Numbers: [57, 5] Generated Node #0,0,1: 32:[57, 5] Operation: 37-32=5 Exploring Operation: 57-37=20, Resulting Numbers: [32, 20] Generated Node #0,0,2: 32:[32, 20] Operation: 57-37=20 Moving to Node #0,2 Current State: 32:[37, 59, 30], Operations: ['57-27=30'] Exploring Operation: 59-30=29, Resulting Numbers: [37, 29] Generated Node #0,2,0: 32:[37, 29] Operation: 59-30=29 Exploring Operation: 37-30=7, Resulting Numbers: [59, 7] Generated Node #0,2,1: 32:[59, 7] Operation: 37-30=7 Exploring Operation: 59-37=22, Resulting Numbers: [30, 22] Generated Node #0,2,2: 32:[30, 22] Operation: 59-37=22 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 32:[37, 29], Operations: ['57-27=30', '59-30=29'] Exploring Operation: 37+29=66, Resulting Numbers: [66] 66,32 unequal: No Solution Exploring Operation: 37*29=1073, Resulting Numbers: [1073] 1073,32 unequal: No Solution Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 32:[30, 22], Operations: ['57-27=30', '59-37=22'] Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,32 unequal: No Solution Exploring Operation: 30*22=660, Resulting Numbers: [660] 660,32 unequal: No Solution Exploring Operation: 30+22=52, Resulting Numbers: [52] 52,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 32:[59, 7], Operations: ['57-27=30', '37-30=7'] Exploring Operation: 59*7=413, Resulting Numbers: [413] 413,32 unequal: No Solution Exploring Operation: 59-7=52, Resulting Numbers: [52] 52,32 unequal: No Solution Exploring Operation: 59+7=66, Resulting Numbers: [66] 66,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 32:[2, 10], Operations: ['59-57=2', '37-27=10'] Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[32, 20], Operations: ['59-27=32', '57-37=20'] Exploring Operation: 32+20=52, Resulting Numbers: [52] 52,32 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 32*20=640, Resulting Numbers: [640] 640,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[27, 35], Operations: ['59-57=2', '37-2=35'] Exploring Operation: 27*35=945, Resulting Numbers: [945] 945,32 unequal: No Solution Exploring Operation: 27+35=62, Resulting Numbers: [62] 62,32 unequal: No Solution Exploring Operation: 35-27=8, Resulting Numbers: [8] 8,32 unequal: No Solution Moving to Node #0,1,0 Current State: 32:[37, 29], Operations: ['59-57=2', '27+2=29'] Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,32 unequal: No Solution Exploring Operation: 37+29=66, Resulting Numbers: [66] 66,32 unequal: No Solution Exploring Operation: 37*29=1073, Resulting Numbers: [1073] 1073,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[37, 25], Operations: ['59-27=32', '57-32=25'] Exploring Operation: 37*25=925, Resulting Numbers: [925] 925,32 unequal: No Solution Exploring Operation: 37-25=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 37+25=62, Resulting Numbers: [62] 62,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[57, 5], Operations: ['59-27=32', '37-32=5'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,32 unequal: No Solution Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,32 unequal: No Solution Exploring Operation: 57*5=285, Resulting Numbers: [285] 285,32 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 63, 11, 1, 3 ]
99
[ "11+1=12", "3*12=36", "63+36=99" ]
Current State: 99:[63, 11, 1, 3], Operations: [] Exploring Operation: 11+1=12, Resulting Numbers: [63, 3, 12] Generated Node #2: [63, 3, 12] from Operation: 11+1=12 Current State: 99:[63, 3, 12], Operations: ['11+1=12'] Exploring Operation: 3*12=36, Resulting Numbers: [63, 36] Generated Node #3: [63, 36] from Operation: 3*12=36 Current State: 99:[63, 36], Operations: ['11+1=12', '3*12=36'] Exploring Operation: 63+36=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[63, 11, 1, 3], Operations: [] Exploring Operation: 63-11=52, Resulting Numbers: [1, 3, 52] Generated Node #0,0: 99:[1, 3, 52] Operation: 63-11=52 Exploring Operation: 63-3=60, Resulting Numbers: [11, 1, 60] Generated Node #0,1: 99:[11, 1, 60] Operation: 63-3=60 Exploring Operation: 63-1=62, Resulting Numbers: [11, 3, 62] Generated Node #0,2: 99:[11, 3, 62] Operation: 63-1=62 Exploring Operation: 63+11=74, Resulting Numbers: [1, 3, 74] Generated Node #0,3: 99:[1, 3, 74] Operation: 63+11=74 Exploring Operation: 63/3=21, Resulting Numbers: [11, 1, 21] Generated Node #0,4: 99:[11, 1, 21] Operation: 63/3=21 Start Sub Search at level 1: Moving to Node #0,4 Current State: 99:[11, 1, 21], Operations: ['63/3=21'] Exploring Operation: 11+21=32, Resulting Numbers: [1, 32] Generated Node #0,4,0: 99:[1, 32] Operation: 11+21=32 Exploring Operation: 21-1=20, Resulting Numbers: [11, 20] Generated Node #0,4,1: 99:[11, 20] Operation: 21-1=20 Exploring Operation: 11/1=11, Resulting Numbers: [21, 11] Generated Node #0,4,2: 99:[21, 11] Operation: 11/1=11 Exploring Operation: 21-11=10, Resulting Numbers: [1, 10] Generated Node #0,4,3: 99:[1, 10] Operation: 21-11=10 Exploring Operation: 11*1=11, Resulting Numbers: [21, 11] Generated Node #0,4,4: 99:[21, 11] Operation: 11*1=11 Moving to Node #0,4,0 Current State: 99:[1, 32], Operations: ['63/3=21', '11+21=32'] Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,99 unequal: No Solution Exploring Operation: 1+32=33, Resulting Numbers: [33] 33,99 unequal: No Solution Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,99 unequal: No Solution Exploring Operation: 1*32=32, Resulting Numbers: [32] 32,99 unequal: No Solution Moving to Node #0,4,3 Current State: 99:[1, 10], Operations: ['63/3=21', '21-11=10'] Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,99 unequal: No Solution Exploring Operation: 1*10=10, Resulting Numbers: [10] 10,99 unequal: No Solution Exploring Operation: 10/1=10, Resulting Numbers: [10] 10,99 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,99 unequal: No Solution Moving to Node #0,4,1 Current State: 99:[11, 20], Operations: ['63/3=21', '21-1=20'] Exploring Operation: 11*20=220, Resulting Numbers: [220] 220,99 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,99 unequal: No Solution Exploring Operation: 11+20=31, Resulting Numbers: [31] 31,99 unequal: No Solution Moving to Node #0,4,2 Current State: 99:[21, 11], Operations: ['63/3=21', '11/1=11'] Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,99 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,99 unequal: No Solution Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,99 unequal: No Solution Moving to Node #0,4,4 Current State: 99:[21, 11], Operations: ['63/3=21', '11*1=11'] Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,99 unequal: No Solution Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,99 unequal: No Solution Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[1, 3, 52], Operations: ['63-11=52'] Exploring Operation: 52-3=49, Resulting Numbers: [1, 49] Generated Node #0,0,0: 99:[1, 49] Operation: 52-3=49 Exploring Operation: 3/1=3, Resulting Numbers: [52, 3] Generated Node #0,0,1: 99:[52, 3] Operation: 3/1=3 Exploring Operation: 1*52=52, Resulting Numbers: [3, 52] Generated Node #0,0,2: 99:[3, 52] Operation: 1*52=52 Exploring Operation: 1*3=3, Resulting Numbers: [52, 3] Generated Node #0,0,3: 99:[52, 3] Operation: 1*3=3 Exploring Operation: 52-1=51, Resulting Numbers: [3, 51] Generated Node #0,0,4: 99:[3, 51] Operation: 52-1=51 Moving to Node #0,0,0 Current State: 99:[1, 49], Operations: ['63-11=52', '52-3=49'] Exploring Operation: 1*49=49, Resulting Numbers: [49] 49,99 unequal: No Solution Exploring Operation: 1+49=50, Resulting Numbers: [50] 50,99 unequal: No Solution Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,99 unequal: No Solution Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,99 unequal: No Solution Moving to Node #0,0,4 Current State: 99:[3, 51], Operations: ['63-11=52', '52-1=51'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,99 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,99 unequal: No Solution Exploring Operation: 3+51=54, Resulting Numbers: [54] 54,99 unequal: No Solution Exploring Operation: 3*51=153, Resulting Numbers: [153] 153,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[52, 3], Operations: ['63-11=52', '3/1=3'] Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,99 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,99 unequal: No Solution Exploring Operation: 52*3=156, Resulting Numbers: [156] 156,99 unequal: No Solution Moving to Node #0,0,2 Current State: 99:[3, 52], Operations: ['63-11=52', '1*52=52'] Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,99 unequal: No Solution Exploring Operation: 3*52=156, Resulting Numbers: [156] 156,99 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,99 unequal: No Solution Moving to Node #0,0,3 Current State: 99:[52, 3], Operations: ['63-11=52', '1*3=3'] Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,99 unequal: No Solution Exploring Operation: 52+3=55, Resulting Numbers: [55] 55,99 unequal: No Solution Exploring Operation: 52*3=156, Resulting Numbers: [156] 156,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 99:[1, 3, 74], Operations: ['63+11=74'] Exploring Operation: 3+74=77, Resulting Numbers: [1, 77] Generated Node #0,3,0: 99:[1, 77] Operation: 3+74=77 Exploring Operation: 1*3=3, Resulting Numbers: [74, 3] Generated Node #0,3,1: 99:[74, 3] Operation: 1*3=3 Exploring Operation: 1*74=74, Resulting Numbers: [3, 74] Generated Node #0,3,2: 99:[3, 74] Operation: 1*74=74 Exploring Operation: 1+74=75, Resulting Numbers: [3, 75] Generated Node #0,3,3: 99:[3, 75] Operation: 1+74=75 Exploring Operation: 3/1=3, Resulting Numbers: [74, 3] Generated Node #0,3,4: 99:[74, 3] Operation: 3/1=3 Moving to Node #0,3,0 Current State: 99:[1, 77], Operations: ['63+11=74', '3+74=77'] Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,99 unequal: No Solution Exploring Operation: 1+77=78, Resulting Numbers: [78] 78,99 unequal: No Solution Exploring Operation: 77/1=77, Resulting Numbers: [77] 77,99 unequal: No Solution Exploring Operation: 1*77=77, Resulting Numbers: [77] 77,99 unequal: No Solution Moving to Node #0,3,3 Current State: 99:[3, 75], Operations: ['63+11=74', '1+74=75'] Exploring Operation: 3+75=78, Resulting Numbers: [78] 78,99 unequal: No Solution Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,99 unequal: No Solution Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,99 unequal: No Solution Exploring Operation: 3*75=225, Resulting Numbers: [225] 225,99 unequal: No Solution Moving to Node #0,3,1 Current State: 99:[74, 3], Operations: ['63+11=74', '1*3=3'] Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,99 unequal: No Solution Exploring Operation: 74*3=222, Resulting Numbers: [222] 222,99 unequal: No Solution Exploring Operation: 74+3=77, Resulting Numbers: [77] 77,99 unequal: No Solution Moving to Node #0,3,2 Current State: 99:[3, 74], Operations: ['63+11=74', '1*74=74'] Exploring Operation: 3+74=77, Resulting Numbers: [77] 77,99 unequal: No Solution Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,99 unequal: No Solution Exploring Operation: 3*74=222, Resulting Numbers: [222] 222,99 unequal: No Solution Moving to Node #0,3,4 Current State: 99:[74, 3], Operations: ['63+11=74', '3/1=3'] Exploring Operation: 74*3=222, Resulting Numbers: [222] 222,99 unequal: No Solution Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,99 unequal: No Solution Exploring Operation: 74+3=77, Resulting Numbers: [77] 77,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[11, 1, 60], Operations: ['63-3=60'] Exploring Operation: 60-11=49, Resulting Numbers: [1, 49] Generated Node #0,1,0: 99:[1, 49] Operation: 60-11=49 Exploring Operation: 11/1=11, Resulting Numbers: [60, 11] Generated Node #0,1,1: 99:[60, 11] Operation: 11/1=11 Exploring Operation: 11*1=11, Resulting Numbers: [60, 11] Generated Node #0,1,2: 99:[60, 11] Operation: 11*1=11 Exploring Operation: 60-1=59, Resulting Numbers: [11, 59] Generated Node #0,1,3: 99:[11, 59] Operation: 60-1=59 Exploring Operation: 1*60=60, Resulting Numbers: [11, 60] Generated Node #0,1,4: 99:[11, 60] Operation: 1*60=60 Moving to Node #0,1,0 Current State: 99:[1, 49], Operations: ['63-3=60', '60-11=49'] Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,99 unequal: No Solution Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,99 unequal: No Solution Exploring Operation: 1*49=49, Resulting Numbers: [49] 49,99 unequal: No Solution Exploring Operation: 1+49=50, Resulting Numbers: [50] 50,99 unequal: No Solution Moving to Node #0,1,3 Current State: 99:[11, 59], Operations: ['63-3=60', '60-1=59'] Exploring Operation: 11+59=70, Resulting Numbers: [70] 70,99 unequal: No Solution Exploring Operation: 11*59=649, Resulting Numbers: [649] 649,99 unequal: No Solution Exploring Operation: 59-11=48, Resulting Numbers: [48] 48,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[60, 11], Operations: ['63-3=60', '11/1=11'] Exploring Operation: 60+11=71, Resulting Numbers: [71] 71,99 unequal: No Solution Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,99 unequal: No Solution Exploring Operation: 60*11=660, Resulting Numbers: [660] 660,99 unequal: No Solution Moving to Node #0,1,2 Current State: 99:[60, 11], Operations: ['63-3=60', '11*1=11'] Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,99 unequal: No Solution Exploring Operation: 60+11=71, Resulting Numbers: [71] 71,99 unequal: No Solution Exploring Operation: 60*11=660, Resulting Numbers: [660] 660,99 unequal: No Solution Moving to Node #0,1,4 Current State: 99:[11, 60], Operations: ['63-3=60', '1*60=60'] Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,99 unequal: No Solution Exploring Operation: 11*60=660, Resulting Numbers: [660] 660,99 unequal: No Solution Exploring Operation: 11+60=71, Resulting Numbers: [71] 71,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[11, 3, 62], Operations: ['63-1=62'] Exploring Operation: 62-11=51, Resulting Numbers: [3, 51] Generated Node #0,2,0: 99:[3, 51] Operation: 62-11=51 Exploring Operation: 11-3=8, Resulting Numbers: [62, 8] Generated Node #0,2,1: 99:[62, 8] Operation: 11-3=8 Exploring Operation: 11*3=33, Resulting Numbers: [62, 33] Generated Node #0,2,2: 99:[62, 33] Operation: 11*3=33 Exploring Operation: 62-3=59, Resulting Numbers: [11, 59] Generated Node #0,2,3: 99:[11, 59] Operation: 62-3=59 Exploring Operation: 11+62=73, Resulting Numbers: [3, 73] Generated Node #0,2,4: 99:[3, 73] Operation: 11+62=73 Moving to Node #0,2,0 Current State: 99:[3, 51], Operations: ['63-1=62', '62-11=51'] Exploring Operation: 3*51=153, Resulting Numbers: [153] 153,99 unequal: No Solution Exploring Operation: 3+51=54, Resulting Numbers: [54] 54,99 unequal: No Solution Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,99 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,99 unequal: No Solution Moving to Node #0,2,4 Current State: 99:[3, 73], Operations: ['63-1=62', '11+62=73'] Exploring Operation: 3+73=76, Resulting Numbers: [76] 76,99 unequal: No Solution Exploring Operation: 3*73=219, Resulting Numbers: [219] 219,99 unequal: No Solution Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,99 unequal: No Solution Moving to Node #0,2,3 Current State: 99:[11, 59], Operations: ['63-1=62', '62-3=59'] Exploring Operation: 59-11=48, Resulting Numbers: [48] 48,99 unequal: No Solution Exploring Operation: 11+59=70, Resulting Numbers: [70] 70,99 unequal: No Solution Exploring Operation: 11*59=649, Resulting Numbers: [649] 649,99 unequal: No Solution Moving to Node #0,2,2 Current State: 99:[62, 33], Operations: ['63-1=62', '11*3=33'] Exploring Operation: 62+33=95, Resulting Numbers: [95] 95,99 unequal: No Solution Exploring Operation: 62*33=2046, Resulting Numbers: [2046] 2046,99 unequal: No Solution Exploring Operation: 62-33=29, Resulting Numbers: [29] 29,99 unequal: No Solution Moving to Node #0,2,1 Current State: 99:[62, 8], Operations: ['63-1=62', '11-3=8'] Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,99 unequal: No Solution Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,99 unequal: No Solution Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 27, 53, 84, 42 ]
40
[ "27+53=80", "84/42=2", "80/2=40" ]
Current State: 40:[27, 53, 84, 42], Operations: [] Exploring Operation: 27+53=80, Resulting Numbers: [84, 42, 80] Generated Node #2: [84, 42, 80] from Operation: 27+53=80 Current State: 40:[84, 42, 80], Operations: ['27+53=80'] Exploring Operation: 84/42=2, Resulting Numbers: [80, 2] Generated Node #3: [80, 2] from Operation: 84/42=2 Current State: 40:[80, 2], Operations: ['27+53=80', '84/42=2'] Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[27, 53, 84, 42], Operations: [] Exploring Operation: 84-42=42, Resulting Numbers: [27, 53, 42] Generated Node #0,0: 40:[27, 53, 42] Operation: 84-42=42 Exploring Operation: 84-53=31, Resulting Numbers: [27, 42, 31] Generated Node #0,1: 40:[27, 42, 31] Operation: 84-53=31 Exploring Operation: 84/42=2, Resulting Numbers: [27, 53, 2] Generated Node #0,2: 40:[27, 53, 2] Operation: 84/42=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[27, 42, 31], Operations: ['84-53=31'] Exploring Operation: 42-27=15, Resulting Numbers: [31, 15] Generated Node #0,1,0: 40:[31, 15] Operation: 42-27=15 Exploring Operation: 42-31=11, Resulting Numbers: [27, 11] Generated Node #0,1,1: 40:[27, 11] Operation: 42-31=11 Exploring Operation: 31-27=4, Resulting Numbers: [42, 4] Generated Node #0,1,2: 40:[42, 4] Operation: 31-27=4 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 40:[42, 4], Operations: ['84-53=31', '31-27=4'] Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,40 unequal: No Solution Exploring Operation: 42+4=46, Resulting Numbers: [46] 46,40 unequal: No Solution Exploring Operation: 42*4=168, Resulting Numbers: [168] 168,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 40:[27, 11], Operations: ['84-53=31', '42-31=11'] Exploring Operation: 27+11=38, Resulting Numbers: [38] 38,40 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,40 unequal: No Solution Exploring Operation: 27*11=297, Resulting Numbers: [297] 297,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 40:[31, 15], Operations: ['84-53=31', '42-27=15'] Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,40 unequal: No Solution Exploring Operation: 31+15=46, Resulting Numbers: [46] 46,40 unequal: No Solution Exploring Operation: 31*15=465, Resulting Numbers: [465] 465,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 40:[27, 53, 2], Operations: ['84/42=2'] Exploring Operation: 27-2=25, Resulting Numbers: [53, 25] Generated Node #0,2,0: 40:[53, 25] Operation: 27-2=25 Exploring Operation: 53-27=26, Resulting Numbers: [2, 26] Generated Node #0,2,1: 40:[2, 26] Operation: 53-27=26 Exploring Operation: 53-2=51, Resulting Numbers: [27, 51] Generated Node #0,2,2: 40:[27, 51] Operation: 53-2=51 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 40:[2, 26], Operations: ['84/42=2', '53-27=26'] Exploring Operation: 2+26=28, Resulting Numbers: [28] 28,40 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,40 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 40:[53, 25], Operations: ['84/42=2', '27-2=25'] Exploring Operation: 53+25=78, Resulting Numbers: [78] 78,40 unequal: No Solution Exploring Operation: 53*25=1325, Resulting Numbers: [1325] 1325,40 unequal: No Solution Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,40 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 40:[27, 51], Operations: ['84/42=2', '53-2=51'] Exploring Operation: 27*51=1377, Resulting Numbers: [1377] 1377,40 unequal: No Solution Exploring Operation: 51-27=24, Resulting Numbers: [24] 24,40 unequal: No Solution Exploring Operation: 27+51=78, Resulting Numbers: [78] 78,40 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 #0,0 Current State: 40:[27, 53, 42], Operations: ['84-42=42'] Exploring Operation: 53-27=26, Resulting Numbers: [42, 26] Generated Node #0,0,0: 40:[42, 26] Operation: 53-27=26 Exploring Operation: 42-27=15, Resulting Numbers: [53, 15] Generated Node #0,0,1: 40:[53, 15] Operation: 42-27=15 Exploring Operation: 53-42=11, Resulting Numbers: [27, 11] Generated Node #0,0,2: 40:[27, 11] Operation: 53-42=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 40:[42, 26], Operations: ['84-42=42', '53-27=26'] Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,40 unequal: No Solution Exploring Operation: 42*26=1092, Resulting Numbers: [1092] 1092,40 unequal: No Solution Exploring Operation: 42+26=68, Resulting Numbers: [68] 68,40 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 #0,0,2 Current State: 40:[27, 11], Operations: ['84-42=42', '53-42=11'] Exploring Operation: 27+11=38, Resulting Numbers: [38] 38,40 unequal: No Solution Exploring Operation: 27*11=297, Resulting Numbers: [297] 297,40 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,40 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:[53, 15], Operations: ['84-42=42', '42-27=15'] Exploring Operation: 53-15=38, Resulting Numbers: [38] 38,40 unequal: No Solution Exploring Operation: 53+15=68, Resulting Numbers: [68] 68,40 unequal: No Solution Exploring Operation: 53*15=795, Resulting Numbers: [795] 795,40 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 No solution found.
0
hs_3
sum_heuristic
[ 7, 25, 64, 35 ]
34
[ "35/7=5", "64-25=39", "39-5=34" ]
Current State: 34:[7, 25, 64, 35], Operations: [] Exploring Operation: 35/7=5, Resulting Numbers: [25, 64, 5] Generated Node #2: [25, 64, 5] from Operation: 35/7=5 Current State: 34:[25, 64, 5], Operations: ['35/7=5'] Exploring Operation: 64-25=39, Resulting Numbers: [5, 39] Generated Node #3: [5, 39] from Operation: 64-25=39 Current State: 34:[5, 39], Operations: ['35/7=5', '64-25=39'] Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[7, 25, 64, 35], Operations: [] Exploring Operation: 7+25=32, Resulting Numbers: [64, 35, 32] Generated Node #0,0: 34:[64, 35, 32] Operation: 7+25=32 Exploring Operation: 64-35=29, Resulting Numbers: [7, 25, 29] Generated Node #0,1: 34:[7, 25, 29] Operation: 64-35=29 Exploring Operation: 25-7=18, Resulting Numbers: [64, 35, 18] Generated Node #0,2: 34:[64, 35, 18] Operation: 25-7=18 Exploring Operation: 64-7=57, Resulting Numbers: [25, 35, 57] Generated Node #0,3: 34:[25, 35, 57] Operation: 64-7=57 Exploring Operation: 64-25=39, Resulting Numbers: [7, 35, 39] Generated Node #0,4: 34:[7, 35, 39] Operation: 64-25=39 Start Sub Search at level 1: Moving to Node #0,4 Current State: 34:[7, 35, 39], Operations: ['64-25=39'] Exploring Operation: 39-7=32, Resulting Numbers: [35, 32] Generated Node #0,4,0: 34:[35, 32] Operation: 39-7=32 Exploring Operation: 7+35=42, Resulting Numbers: [39, 42] Generated Node #0,4,1: 34:[39, 42] Operation: 7+35=42 Exploring Operation: 39-35=4, Resulting Numbers: [7, 4] Generated Node #0,4,2: 34:[7, 4] Operation: 39-35=4 Exploring Operation: 35-7=28, Resulting Numbers: [39, 28] Generated Node #0,4,3: 34:[39, 28] Operation: 35-7=28 Exploring Operation: 35/7=5, Resulting Numbers: [39, 5] Generated Node #0,4,4: 34:[39, 5] Operation: 35/7=5 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 34:[35, 32], Operations: ['64-25=39', '39-7=32'] Exploring Operation: 35+32=67, Resulting Numbers: [67] 67,34 unequal: No Solution Exploring Operation: 35*32=1120, Resulting Numbers: [1120] 1120,34 unequal: No Solution Exploring Operation: 35-32=3, Resulting Numbers: [3] 3,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 34:[7, 4], Operations: ['64-25=39', '39-35=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,34 unequal: No Solution Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,34 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 34:[39, 5], Operations: ['64-25=39', '35/7=5'] Exploring Operation: 39+5=44, Resulting Numbers: [44] 44,34 unequal: No Solution Exploring Operation: 39*5=195, Resulting Numbers: [195] 195,34 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[7, 25, 64, 35], Operations: [] Exploring Operation: 64-25=39, Resulting Numbers: [7, 35, 39] Generated Node #0,4: 34:[7, 35, 39] Operation: 64-25=39 Moving to Node #0,4 Current State: 34:[7, 35, 39], Operations: ['64-25=39'] Exploring Operation: 35/7=5, Resulting Numbers: [39, 5] Generated Node #0,4,4: 34:[39, 5] Operation: 35/7=5 Moving to Node #0,4,4 Current State: 34:[39, 5], Operations: ['64-25=39', '35/7=5'] Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 13, 29, 64, 59 ]
81
[ "13+29=42", "64+59=123", "123-42=81" ]
Current State: 81:[13, 29, 64, 59], Operations: [] Exploring Operation: 13+29=42, Resulting Numbers: [64, 59, 42] Generated Node #2: [64, 59, 42] from Operation: 13+29=42 Current State: 81:[64, 59, 42], Operations: ['13+29=42'] Exploring Operation: 64+59=123, Resulting Numbers: [42, 123] Generated Node #3: [42, 123] from Operation: 64+59=123 Current State: 81:[42, 123], Operations: ['13+29=42', '64+59=123'] Exploring Operation: 123-42=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[13, 29, 64, 59], Operations: [] Exploring Operation: 59-29=30, Resulting Numbers: [13, 64, 30] Generated Node #0,0: 81:[13, 64, 30] Operation: 59-29=30 Exploring Operation: 64-59=5, Resulting Numbers: [13, 29, 5] Generated Node #0,1: 81:[13, 29, 5] Operation: 64-59=5 Exploring Operation: 13+64=77, Resulting Numbers: [29, 59, 77] Generated Node #0,2: 81:[29, 59, 77] Operation: 13+64=77 Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[13, 29, 5], Operations: ['64-59=5'] Exploring Operation: 29-13=16, Resulting Numbers: [5, 16] Generated Node #0,1,0: 81:[5, 16] Operation: 29-13=16 Exploring Operation: 29-5=24, Resulting Numbers: [13, 24] Generated Node #0,1,1: 81:[13, 24] Operation: 29-5=24 Exploring Operation: 13-5=8, Resulting Numbers: [29, 8] Generated Node #0,1,2: 81:[29, 8] Operation: 13-5=8 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 81:[29, 8], Operations: ['64-59=5', '13-5=8'] Exploring Operation: 29+8=37, Resulting Numbers: [37] 37,81 unequal: No Solution Exploring Operation: 29*8=232, Resulting Numbers: [232] 232,81 unequal: No Solution Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,81 unequal: No Solution No 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: 81:[13, 24], Operations: ['64-59=5', '29-5=24'] Exploring Operation: 13+24=37, Resulting Numbers: [37] 37,81 unequal: No Solution Exploring Operation: 13*24=312, Resulting Numbers: [312] 312,81 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,81 unequal: No Solution No 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: 81:[5, 16], Operations: ['64-59=5', '29-13=16'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,81 unequal: No Solution Exploring Operation: 5+16=21, Resulting Numbers: [21] 21,81 unequal: No Solution Exploring Operation: 5*16=80, Resulting Numbers: [80] 80,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[13, 64, 30], Operations: ['59-29=30'] Exploring Operation: 64-30=34, Resulting Numbers: [13, 34] Generated Node #0,0,0: 81:[13, 34] Operation: 64-30=34 Exploring Operation: 64+30=94, Resulting Numbers: [13, 94] Generated Node #0,0,1: 81:[13, 94] Operation: 64+30=94 Exploring Operation: 13+64=77, Resulting Numbers: [30, 77] Generated Node #0,0,2: 81:[30, 77] Operation: 13+64=77 Moving to Node #0,0,2 Current State: 81:[30, 77], Operations: ['59-29=30', '13+64=77'] Exploring Operation: 77-30=47, Resulting Numbers: [47] 47,81 unequal: No Solution Exploring Operation: 30*77=2310, Resulting Numbers: [2310] 2310,81 unequal: No Solution Exploring Operation: 30+77=107, Resulting Numbers: [107] 107,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[13, 34], Operations: ['59-29=30', '64-30=34'] Exploring Operation: 13*34=442, Resulting Numbers: [442] 442,81 unequal: No Solution Exploring Operation: 13+34=47, Resulting Numbers: [47] 47,81 unequal: No Solution Exploring Operation: 34-13=21, Resulting Numbers: [21] 21,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[13, 94], Operations: ['59-29=30', '64+30=94'] Exploring Operation: 94-13=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[13, 29, 64, 59], Operations: [] Exploring Operation: 59-29=30, Resulting Numbers: [13, 64, 30] Generated Node #0,0: 81:[13, 64, 30] Operation: 59-29=30 Moving to Node #0,0 Current State: 81:[13, 64, 30], Operations: ['59-29=30'] Exploring Operation: 64+30=94, Resulting Numbers: [13, 94] Generated Node #0,0,1: 81:[13, 94] Operation: 64+30=94 Moving to Node #0,0,1 Current State: 81:[13, 94], Operations: ['59-29=30', '64+30=94'] Exploring Operation: 94-13=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_3
sum_heuristic
[ 73, 4, 23, 95 ]
68
[ "23-4=19", "95/19=5", "73-5=68" ]
Current State: 68:[73, 4, 23, 95], Operations: [] Exploring Operation: 23-4=19, Resulting Numbers: [73, 95, 19] Generated Node #2: [73, 95, 19] from Operation: 23-4=19 Current State: 68:[73, 95, 19], Operations: ['23-4=19'] Exploring Operation: 95/19=5, Resulting Numbers: [73, 5] Generated Node #3: [73, 5] from Operation: 95/19=5 Current State: 68:[73, 5], Operations: ['23-4=19', '95/19=5'] Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[73, 4, 23, 95], Operations: [] Exploring Operation: 95-73=22, Resulting Numbers: [4, 23, 22] Generated Node #0,0: 68:[4, 23, 22] Operation: 95-73=22 Exploring Operation: 95-23=72, Resulting Numbers: [73, 4, 72] Generated Node #0,1: 68:[73, 4, 72] Operation: 95-23=72 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[73, 4, 72], Operations: ['95-23=72'] Exploring Operation: 73-72=1, Resulting Numbers: [4, 1] Generated Node #0,1,0: 68:[4, 1] Operation: 73-72=1 Exploring Operation: 73-4=69, Resulting Numbers: [72, 69] Generated Node #0,1,1: 68:[72, 69] Operation: 73-4=69 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 68:[4, 1], Operations: ['95-23=72', '73-72=1'] Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,68 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 68:[72, 69], Operations: ['95-23=72', '73-4=69'] Exploring Operation: 72-69=3, Resulting Numbers: [3] 3,68 unequal: No Solution Exploring Operation: 72+69=141, Resulting Numbers: [141] 141,68 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[4, 23, 22], Operations: ['95-73=22'] Exploring Operation: 23-4=19, Resulting Numbers: [22, 19] Generated Node #0,0,0: 68:[22, 19] Operation: 23-4=19 Exploring Operation: 23-22=1, Resulting Numbers: [4, 1] Generated Node #0,0,1: 68:[4, 1] Operation: 23-22=1 Moving to Node #0,0,1 Current State: 68:[4, 1], Operations: ['95-73=22', '23-22=1'] Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,68 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[22, 19], Operations: ['95-73=22', '23-4=19'] Exploring Operation: 22+19=41, Resulting Numbers: [41] 41,68 unequal: No Solution Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 26, 90, 70, 91 ]
95
[ "26+90=116", "91-70=21", "116-21=95" ]
Current State: 95:[26, 90, 70, 91], Operations: [] Exploring Operation: 26+90=116, Resulting Numbers: [70, 91, 116] Generated Node #2: [70, 91, 116] from Operation: 26+90=116 Current State: 95:[70, 91, 116], Operations: ['26+90=116'] Exploring Operation: 91-70=21, Resulting Numbers: [116, 21] Generated Node #3: [116, 21] from Operation: 91-70=21 Current State: 95:[116, 21], Operations: ['26+90=116', '91-70=21'] Exploring Operation: 116-21=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[26, 90, 70, 91], Operations: [] Exploring Operation: 26+70=96, Resulting Numbers: [90, 91, 96] Generated Node #0,0: 95:[90, 91, 96] Operation: 26+70=96 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[90, 91, 96], Operations: ['26+70=96'] Exploring Operation: 91-90=1, Resulting Numbers: [96, 1] Generated Node #0,0,0: 95:[96, 1] Operation: 91-90=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[96, 1], Operations: ['26+70=96', '91-90=1'] Exploring Operation: 96-1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[26, 90, 70, 91], Operations: [] Exploring Operation: 26+70=96, Resulting Numbers: [90, 91, 96] Generated Node #0,0: 95:[90, 91, 96] Operation: 26+70=96 Moving to Node #0,0 Current State: 95:[90, 91, 96], Operations: ['26+70=96'] Exploring Operation: 91-90=1, Resulting Numbers: [96, 1] Generated Node #0,0,0: 95:[96, 1] Operation: 91-90=1 Moving to Node #0,0,0 Current State: 95:[96, 1], Operations: ['26+70=96', '91-90=1'] Exploring Operation: 96-1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 32, 91, 83, 87 ]
99
[ "87-83=4", "32/4=8", "91+8=99" ]
Current State: 99:[32, 91, 83, 87], Operations: [] Exploring Operation: 87-83=4, Resulting Numbers: [32, 91, 4] Generated Node #2: [32, 91, 4] from Operation: 87-83=4 Current State: 99:[32, 91, 4], Operations: ['87-83=4'] Exploring Operation: 32/4=8, Resulting Numbers: [91, 8] Generated Node #3: [91, 8] from Operation: 32/4=8 Current State: 99:[91, 8], Operations: ['87-83=4', '32/4=8'] Exploring Operation: 91+8=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[32, 91, 83, 87], Operations: [] Exploring Operation: 91-87=4, Resulting Numbers: [32, 83, 4] Generated Node #0,0: 99:[32, 83, 4] Operation: 91-87=4 Exploring Operation: 32+83=115, Resulting Numbers: [91, 87, 115] Generated Node #0,1: 99:[91, 87, 115] Operation: 32+83=115 Exploring Operation: 91-83=8, Resulting Numbers: [32, 87, 8] Generated Node #0,2: 99:[32, 87, 8] Operation: 91-83=8 Exploring Operation: 87-83=4, Resulting Numbers: [32, 91, 4] Generated Node #0,3: 99:[32, 91, 4] Operation: 87-83=4 Start Sub Search at level 1: Moving to Node #0,3 Current State: 99:[32, 91, 4], Operations: ['87-83=4'] Exploring Operation: 32/4=8, Resulting Numbers: [91, 8] Generated Node #0,3,0: 99:[91, 8] Operation: 32/4=8 Exploring Operation: 32-4=28, Resulting Numbers: [91, 28] Generated Node #0,3,1: 99:[91, 28] Operation: 32-4=28 Exploring Operation: 91+4=95, Resulting Numbers: [32, 95] Generated Node #0,3,2: 99:[32, 95] Operation: 91+4=95 Exploring Operation: 32+4=36, Resulting Numbers: [91, 36] Generated Node #0,3,3: 99:[91, 36] Operation: 32+4=36 Moving to Node #0,3,2 Current State: 99:[32, 95], Operations: ['87-83=4', '91+4=95'] Exploring Operation: 95-32=63, Resulting Numbers: [63] 63,99 unequal: No Solution Exploring Operation: 32+95=127, Resulting Numbers: [127] 127,99 unequal: No Solution Exploring Operation: 32*95=3040, Resulting Numbers: [3040] 3040,99 unequal: No Solution Moving to Node #0,3,0 Current State: 99:[91, 8], Operations: ['87-83=4', '32/4=8'] Exploring Operation: 91+8=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[32, 91, 83, 87], Operations: [] Exploring Operation: 87-83=4, Resulting Numbers: [32, 91, 4] Generated Node #0,3: 99:[32, 91, 4] Operation: 87-83=4 Moving to Node #0,3 Current State: 99:[32, 91, 4], Operations: ['87-83=4'] Exploring Operation: 32/4=8, Resulting Numbers: [91, 8] Generated Node #0,3,0: 99:[91, 8] Operation: 32/4=8 Moving to Node #0,3,0 Current State: 99:[91, 8], Operations: ['87-83=4', '32/4=8'] Exploring Operation: 91+8=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 43, 36, 35, 51 ]
46
[ "43-36=7", "35/7=5", "51-5=46" ]
Current State: 46:[43, 36, 35, 51], Operations: [] Exploring Operation: 43-36=7, Resulting Numbers: [35, 51, 7] Generated Node #2: [35, 51, 7] from Operation: 43-36=7 Current State: 46:[35, 51, 7], Operations: ['43-36=7'] Exploring Operation: 35/7=5, Resulting Numbers: [51, 5] Generated Node #3: [51, 5] from Operation: 35/7=5 Current State: 46:[51, 5], Operations: ['43-36=7', '35/7=5'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[43, 36, 35, 51], Operations: [] Exploring Operation: 51-35=16, Resulting Numbers: [43, 36, 16] Generated Node #0,0: 46:[43, 36, 16] Operation: 51-35=16 Exploring Operation: 51-36=15, Resulting Numbers: [43, 35, 15] Generated Node #0,1: 46:[43, 35, 15] Operation: 51-36=15 Exploring Operation: 43-36=7, Resulting Numbers: [35, 51, 7] Generated Node #0,2: 46:[35, 51, 7] Operation: 43-36=7 Exploring Operation: 36-35=1, Resulting Numbers: [43, 51, 1] Generated Node #0,3: 46:[43, 51, 1] Operation: 36-35=1 Exploring Operation: 43-35=8, Resulting Numbers: [36, 51, 8] Generated Node #0,4: 46:[36, 51, 8] Operation: 43-35=8 Moving to Node #0,3 Current State: 46:[43, 51, 1], Operations: ['36-35=1'] Exploring Operation: 43/1=43, Resulting Numbers: [51, 43] Generated Node #0,3,0: 46:[51, 43] Operation: 43/1=43 Exploring Operation: 43+1=44, Resulting Numbers: [51, 44] Generated Node #0,3,1: 46:[51, 44] Operation: 43+1=44 Exploring Operation: 51-1=50, Resulting Numbers: [43, 50] Generated Node #0,3,2: 46:[43, 50] Operation: 51-1=50 Exploring Operation: 43*1=43, Resulting Numbers: [51, 43] Generated Node #0,3,3: 46:[51, 43] Operation: 43*1=43 Exploring Operation: 51-43=8, Resulting Numbers: [1, 8] Generated Node #0,3,4: 46:[1, 8] Operation: 51-43=8 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 46:[51, 44], Operations: ['36-35=1', '43+1=44'] Exploring Operation: 51-44=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 51*44=2244, Resulting Numbers: [2244] 2244,46 unequal: No Solution Exploring Operation: 51+44=95, Resulting Numbers: [95] 95,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 46:[43, 50], Operations: ['36-35=1', '51-1=50'] Exploring Operation: 43+50=93, Resulting Numbers: [93] 93,46 unequal: No Solution Exploring Operation: 50-43=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 43*50=2150, Resulting Numbers: [2150] 2150,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 46:[1, 8], Operations: ['36-35=1', '51-43=8'] Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 1+8=9, Resulting Numbers: [9] 9,46 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 46:[51, 43], Operations: ['36-35=1', '43/1=43'] Exploring Operation: 51*43=2193, Resulting Numbers: [2193] 2193,46 unequal: No Solution Exploring Operation: 51-43=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 51+43=94, Resulting Numbers: [94] 94,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 46:[51, 43], Operations: ['36-35=1', '43*1=43'] Exploring Operation: 51+43=94, Resulting Numbers: [94] 94,46 unequal: No Solution Exploring Operation: 51-43=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 51*43=2193, Resulting Numbers: [2193] 2193,46 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: 46:[43, 36, 16], Operations: ['51-35=16'] Exploring Operation: 36+16=52, Resulting Numbers: [43, 52] Generated Node #0,0,0: 46:[43, 52] Operation: 36+16=52 Exploring Operation: 36-16=20, Resulting Numbers: [43, 20] Generated Node #0,0,1: 46:[43, 20] Operation: 36-16=20 Exploring Operation: 43-36=7, Resulting Numbers: [16, 7] Generated Node #0,0,2: 46:[16, 7] Operation: 43-36=7 Exploring Operation: 43+16=59, Resulting Numbers: [36, 59] Generated Node #0,0,3: 46:[36, 59] Operation: 43+16=59 Exploring Operation: 43-16=27, Resulting Numbers: [36, 27] Generated Node #0,0,4: 46:[36, 27] Operation: 43-16=27 Moving to Node #0,2 Current State: 46:[35, 51, 7], Operations: ['43-36=7'] Exploring Operation: 51-35=16, Resulting Numbers: [7, 16] Generated Node #0,2,0: 46:[7, 16] Operation: 51-35=16 Exploring Operation: 35+7=42, Resulting Numbers: [51, 42] Generated Node #0,2,1: 46:[51, 42] Operation: 35+7=42 Exploring Operation: 35-7=28, Resulting Numbers: [51, 28] Generated Node #0,2,2: 46:[51, 28] Operation: 35-7=28 Exploring Operation: 51-7=44, Resulting Numbers: [35, 44] Generated Node #0,2,3: 46:[35, 44] Operation: 51-7=44 Exploring Operation: 35/7=5, Resulting Numbers: [51, 5] Generated Node #0,2,4: 46:[51, 5] Operation: 35/7=5 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 46:[51, 5], Operations: ['43-36=7', '35/7=5'] Exploring Operation: 51*5=255, Resulting Numbers: [255] 255,46 unequal: No Solution Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,46 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[43, 36, 35, 51], Operations: [] Exploring Operation: 43-36=7, Resulting Numbers: [35, 51, 7] Generated Node #0,2: 46:[35, 51, 7] Operation: 43-36=7 Moving to Node #0,2 Current State: 46:[35, 51, 7], Operations: ['43-36=7'] Exploring Operation: 35/7=5, Resulting Numbers: [51, 5] Generated Node #0,2,4: 46:[51, 5] Operation: 35/7=5 Moving to Node #0,2,4 Current State: 46:[51, 5], Operations: ['43-36=7', '35/7=5'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_5
sum_heuristic
[ 5, 94, 95, 57 ]
18
[ "95/5=19", "94-57=37", "37-19=18" ]
Current State: 18:[5, 94, 95, 57], Operations: [] Exploring Operation: 95/5=19, Resulting Numbers: [94, 57, 19] Generated Node #2: [94, 57, 19] from Operation: 95/5=19 Current State: 18:[94, 57, 19], Operations: ['95/5=19'] Exploring Operation: 94-57=37, Resulting Numbers: [19, 37] Generated Node #3: [19, 37] from Operation: 94-57=37 Current State: 18:[19, 37], Operations: ['95/5=19', '94-57=37'] Exploring Operation: 37-19=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[5, 94, 95, 57], Operations: [] Exploring Operation: 95-94=1, Resulting Numbers: [5, 57, 1] Generated Node #0,0: 18:[5, 57, 1] Operation: 95-94=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[5, 57, 1], Operations: ['95-94=1'] Exploring Operation: 57-5=52, Resulting Numbers: [1, 52] Generated Node #0,0,0: 18:[1, 52] Operation: 57-5=52 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[1, 52], Operations: ['95-94=1', '57-5=52'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 37, 93, 6, 16 ]
13
[ "37+93=130", "16-6=10", "130/10=13" ]
Current State: 13:[37, 93, 6, 16], Operations: [] Exploring Operation: 37+93=130, Resulting Numbers: [6, 16, 130] Generated Node #2: [6, 16, 130] from Operation: 37+93=130 Current State: 13:[6, 16, 130], Operations: ['37+93=130'] Exploring Operation: 16-6=10, Resulting Numbers: [130, 10] Generated Node #3: [130, 10] from Operation: 16-6=10 Current State: 13:[130, 10], Operations: ['37+93=130', '16-6=10'] Exploring Operation: 130/10=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[37, 93, 6, 16], Operations: [] Exploring Operation: 93-16=77, Resulting Numbers: [37, 6, 77] Generated Node #0,0: 13:[37, 6, 77] Operation: 93-16=77 Exploring Operation: 93-37=56, Resulting Numbers: [6, 16, 56] Generated Node #0,1: 13:[6, 16, 56] Operation: 93-37=56 Exploring Operation: 37-16=21, Resulting Numbers: [93, 6, 21] Generated Node #0,2: 13:[93, 6, 21] Operation: 37-16=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[6, 16, 56], Operations: ['93-37=56'] Exploring Operation: 56-6=50, Resulting Numbers: [16, 50] Generated Node #0,1,0: 13:[16, 50] Operation: 56-6=50 Exploring Operation: 56-16=40, Resulting Numbers: [6, 40] Generated Node #0,1,1: 13:[6, 40] Operation: 56-16=40 Exploring Operation: 16-6=10, Resulting Numbers: [56, 10] Generated Node #0,1,2: 13:[56, 10] Operation: 16-6=10 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 13:[6, 40], Operations: ['93-37=56', '56-16=40'] Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,13 unequal: No Solution Exploring Operation: 6*40=240, Resulting Numbers: [240] 240,13 unequal: No Solution Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,13 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:[16, 50], Operations: ['93-37=56', '56-6=50'] Exploring Operation: 16+50=66, Resulting Numbers: [66] 66,13 unequal: No Solution Exploring Operation: 16*50=800, Resulting Numbers: [800] 800,13 unequal: No Solution Exploring Operation: 50-16=34, Resulting Numbers: [34] 34,13 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:[56, 10], Operations: ['93-37=56', '16-6=10'] Exploring Operation: 56+10=66, Resulting Numbers: [66] 66,13 unequal: No Solution Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,13 unequal: No Solution Exploring Operation: 56*10=560, Resulting Numbers: [560] 560,13 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:[37, 6, 77], Operations: ['93-16=77'] Exploring Operation: 77-37=40, Resulting Numbers: [6, 40] Generated Node #0,0,0: 13:[6, 40] Operation: 77-37=40 Exploring Operation: 37-6=31, Resulting Numbers: [77, 31] Generated Node #0,0,1: 13:[77, 31] Operation: 37-6=31 Exploring Operation: 77-6=71, Resulting Numbers: [37, 71] Generated Node #0,0,2: 13:[37, 71] Operation: 77-6=71 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[6, 40], Operations: ['93-16=77', '77-37=40'] Exploring Operation: 6*40=240, Resulting Numbers: [240] 240,13 unequal: No Solution Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,13 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,13 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:[77, 31], Operations: ['93-16=77', '37-6=31'] Exploring Operation: 77+31=108, Resulting Numbers: [108] 108,13 unequal: No Solution Exploring Operation: 77*31=2387, Resulting Numbers: [2387] 2387,13 unequal: No Solution Exploring Operation: 77-31=46, Resulting Numbers: [46] 46,13 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:[37, 71], Operations: ['93-16=77', '77-6=71'] Exploring Operation: 37*71=2627, Resulting Numbers: [2627] 2627,13 unequal: No Solution Exploring Operation: 37+71=108, Resulting Numbers: [108] 108,13 unequal: No Solution Exploring Operation: 71-37=34, Resulting Numbers: [34] 34,13 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 #0,2 Current State: 13:[93, 6, 21], Operations: ['37-16=21'] Exploring Operation: 93-21=72, Resulting Numbers: [6, 72] Generated Node #0,2,0: 13:[6, 72] Operation: 93-21=72 Exploring Operation: 93-6=87, Resulting Numbers: [21, 87] Generated Node #0,2,1: 13:[21, 87] Operation: 93-6=87 Exploring Operation: 21-6=15, Resulting Numbers: [93, 15] Generated Node #0,2,2: 13:[93, 15] Operation: 21-6=15 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 13:[6, 72], Operations: ['37-16=21', '93-21=72'] Exploring Operation: 6+72=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,13 unequal: No Solution Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 13:[21, 87], Operations: ['37-16=21', '93-6=87'] Exploring Operation: 21+87=108, Resulting Numbers: [108] 108,13 unequal: No Solution Exploring Operation: 21*87=1827, Resulting Numbers: [1827] 1827,13 unequal: No Solution Exploring Operation: 87-21=66, Resulting Numbers: [66] 66,13 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:[93, 15], Operations: ['37-16=21', '21-6=15'] Exploring Operation: 93*15=1395, Resulting Numbers: [1395] 1395,13 unequal: No Solution Exploring Operation: 93-15=78, Resulting Numbers: [78] 78,13 unequal: No Solution Exploring Operation: 93+15=108, Resulting Numbers: [108] 108,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 66, 80, 57, 10 ]
83
[ "80-66=14", "10*14=140", "140-57=83" ]
Current State: 83:[66, 80, 57, 10], Operations: [] Exploring Operation: 80-66=14, Resulting Numbers: [57, 10, 14] Generated Node #2: [57, 10, 14] from Operation: 80-66=14 Current State: 83:[57, 10, 14], Operations: ['80-66=14'] Exploring Operation: 10*14=140, Resulting Numbers: [57, 140] Generated Node #3: [57, 140] from Operation: 10*14=140 Current State: 83:[57, 140], Operations: ['80-66=14', '10*14=140'] Exploring Operation: 140-57=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[66, 80, 57, 10], Operations: [] Exploring Operation: 57+10=67, Resulting Numbers: [66, 80, 67] Generated Node #0,0: 83:[66, 80, 67] Operation: 57+10=67 Exploring Operation: 66+10=76, Resulting Numbers: [80, 57, 76] Generated Node #0,1: 83:[80, 57, 76] Operation: 66+10=76 Exploring Operation: 80+10=90, Resulting Numbers: [66, 57, 90] Generated Node #0,2: 83:[66, 57, 90] Operation: 80+10=90 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[66, 80, 67], Operations: ['57+10=67'] Exploring Operation: 66+80=146, Resulting Numbers: [67, 146] Generated Node #0,0,0: 83:[67, 146] Operation: 66+80=146 Exploring Operation: 66+67=133, Resulting Numbers: [80, 133] Generated Node #0,0,1: 83:[80, 133] Operation: 66+67=133 Exploring Operation: 80+67=147, Resulting Numbers: [66, 147] Generated Node #0,0,2: 83:[66, 147] Operation: 80+67=147 Moving to Node #0,0,1 Current State: 83:[80, 133], Operations: ['57+10=67', '66+67=133'] Exploring Operation: 80*133=10640, Resulting Numbers: [10640] 10640,83 unequal: No Solution Exploring Operation: 80+133=213, Resulting Numbers: [213] 213,83 unequal: No Solution Exploring Operation: 133-80=53, Resulting Numbers: [53] 53,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[67, 146], Operations: ['57+10=67', '66+80=146'] Exploring Operation: 67+146=213, Resulting Numbers: [213] 213,83 unequal: No Solution Exploring Operation: 67*146=9782, Resulting Numbers: [9782] 9782,83 unequal: No Solution Exploring Operation: 146-67=79, Resulting Numbers: [79] 79,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[66, 147], Operations: ['57+10=67', '80+67=147'] Exploring Operation: 147-66=81, Resulting Numbers: [81] 81,83 unequal: No Solution Exploring Operation: 66*147=9702, Resulting Numbers: [9702] 9702,83 unequal: No Solution Exploring Operation: 66+147=213, Resulting Numbers: [213] 213,83 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 Current State: 83:[80, 57, 76], Operations: ['66+10=76'] Exploring Operation: 57+76=133, Resulting Numbers: [80, 133] Generated Node #0,1,0: 83:[80, 133] Operation: 57+76=133 Exploring Operation: 80-57=23, Resulting Numbers: [76, 23] Generated Node #0,1,1: 83:[76, 23] Operation: 80-57=23 Exploring Operation: 80+57=137, Resulting Numbers: [76, 137] Generated Node #0,1,2: 83:[76, 137] Operation: 80+57=137 Moving to Node #0,1,0 Current State: 83:[80, 133], Operations: ['66+10=76', '57+76=133'] Exploring Operation: 133-80=53, Resulting Numbers: [53] 53,83 unequal: No Solution Exploring Operation: 80+133=213, Resulting Numbers: [213] 213,83 unequal: No Solution Exploring Operation: 80*133=10640, Resulting Numbers: [10640] 10640,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[76, 137], Operations: ['66+10=76', '80+57=137'] Exploring Operation: 76*137=10412, Resulting Numbers: [10412] 10412,83 unequal: No Solution Exploring Operation: 137-76=61, Resulting Numbers: [61] 61,83 unequal: No Solution Exploring Operation: 76+137=213, Resulting Numbers: [213] 213,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[76, 23], Operations: ['66+10=76', '80-57=23'] Exploring Operation: 76+23=99, Resulting Numbers: [99] 99,83 unequal: No Solution Exploring Operation: 76-23=53, Resulting Numbers: [53] 53,83 unequal: No Solution Exploring Operation: 76*23=1748, Resulting Numbers: [1748] 1748,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[66, 57, 90], Operations: ['80+10=90'] Exploring Operation: 90-57=33, Resulting Numbers: [66, 33] Generated Node #0,2,0: 83:[66, 33] Operation: 90-57=33 Exploring Operation: 66-57=9, Resulting Numbers: [90, 9] Generated Node #0,2,1: 83:[90, 9] Operation: 66-57=9 Exploring Operation: 66+57=123, Resulting Numbers: [90, 123] Generated Node #0,2,2: 83:[90, 123] Operation: 66+57=123 Moving to Node #0,2,2 Current State: 83:[90, 123], Operations: ['80+10=90', '66+57=123'] Exploring Operation: 123-90=33, Resulting Numbers: [33] 33,83 unequal: No Solution Exploring Operation: 90+123=213, Resulting Numbers: [213] 213,83 unequal: No Solution Exploring Operation: 90*123=11070, Resulting Numbers: [11070] 11070,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[66, 33], Operations: ['80+10=90', '90-57=33'] Exploring Operation: 66/33=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 66+33=99, Resulting Numbers: [99] 99,83 unequal: No Solution Exploring Operation: 66-33=33, Resulting Numbers: [33] 33,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[90, 9], Operations: ['80+10=90', '66-57=9'] Exploring Operation: 90+9=99, Resulting Numbers: [99] 99,83 unequal: No Solution Exploring Operation: 90/9=10, Resulting Numbers: [10] 10,83 unequal: No Solution Exploring Operation: 90-9=81, Resulting Numbers: [81] 81,83 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
[ 76, 22, 83, 19 ]
53
[ "76+83=159", "22-19=3", "159/3=53" ]
Current State: 53:[76, 22, 83, 19], Operations: [] Exploring Operation: 76+83=159, Resulting Numbers: [22, 19, 159] Generated Node #2: [22, 19, 159] from Operation: 76+83=159 Current State: 53:[22, 19, 159], Operations: ['76+83=159'] Exploring Operation: 22-19=3, Resulting Numbers: [159, 3] Generated Node #3: [159, 3] from Operation: 22-19=3 Current State: 53:[159, 3], Operations: ['76+83=159', '22-19=3'] Exploring Operation: 159/3=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[76, 22, 83, 19], Operations: [] Exploring Operation: 83-22=61, Resulting Numbers: [76, 19, 61] Generated Node #0,0: 53:[76, 19, 61] Operation: 83-22=61 Exploring Operation: 76-19=57, Resulting Numbers: [22, 83, 57] Generated Node #0,1: 53:[22, 83, 57] Operation: 76-19=57 Exploring Operation: 83-19=64, Resulting Numbers: [76, 22, 64] Generated Node #0,2: 53:[76, 22, 64] Operation: 83-19=64 Exploring Operation: 22+19=41, Resulting Numbers: [76, 83, 41] Generated Node #0,3: 53:[76, 83, 41] Operation: 22+19=41 Exploring Operation: 76-22=54, Resulting Numbers: [83, 19, 54] Generated Node #0,4: 53:[83, 19, 54] Operation: 76-22=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[76, 19, 61], Operations: ['83-22=61'] Exploring Operation: 76-19=57, Resulting Numbers: [61, 57] Generated Node #0,0,0: 53:[61, 57] Operation: 76-19=57 Exploring Operation: 19+61=80, Resulting Numbers: [76, 80] Generated Node #0,0,1: 53:[76, 80] Operation: 19+61=80 Exploring Operation: 76+19=95, Resulting Numbers: [61, 95] Generated Node #0,0,2: 53:[61, 95] Operation: 76+19=95 Exploring Operation: 76/19=4, Resulting Numbers: [61, 4] Generated Node #0,0,3: 53:[61, 4] Operation: 76/19=4 Exploring Operation: 61-19=42, Resulting Numbers: [76, 42] Generated Node #0,0,4: 53:[76, 42] Operation: 61-19=42 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[61, 57], Operations: ['83-22=61', '76-19=57'] Exploring Operation: 61+57=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 61*57=3477, Resulting Numbers: [3477] 3477,53 unequal: No Solution Exploring Operation: 61-57=4, Resulting Numbers: [4] 4,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 53:[76, 42], Operations: ['83-22=61', '61-19=42'] Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,53 unequal: No Solution Exploring Operation: 76+42=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 76*42=3192, Resulting Numbers: [3192] 3192,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[76, 80], Operations: ['83-22=61', '19+61=80'] Exploring Operation: 80-76=4, Resulting Numbers: [4] 4,53 unequal: No Solution Exploring Operation: 76+80=156, Resulting Numbers: [156] 156,53 unequal: No Solution Exploring Operation: 76*80=6080, Resulting Numbers: [6080] 6080,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 53:[61, 95], Operations: ['83-22=61', '76+19=95'] Exploring Operation: 61*95=5795, Resulting Numbers: [5795] 5795,53 unequal: No Solution Exploring Operation: 61+95=156, Resulting Numbers: [156] 156,53 unequal: No Solution Exploring Operation: 95-61=34, Resulting Numbers: [34] 34,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 53:[61, 4], Operations: ['83-22=61', '76/19=4'] Exploring Operation: 61*4=244, Resulting Numbers: [244] 244,53 unequal: No Solution Exploring Operation: 61+4=65, Resulting Numbers: [65] 65,53 unequal: No Solution Exploring Operation: 61-4=57, Resulting Numbers: [57] 57,53 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: 53:[22, 83, 57], Operations: ['76-19=57'] Exploring Operation: 83-22=61, Resulting Numbers: [57, 61] Generated Node #0,1,0: 53:[57, 61] Operation: 83-22=61 Exploring Operation: 22+83=105, Resulting Numbers: [57, 105] Generated Node #0,1,1: 53:[57, 105] Operation: 22+83=105 Exploring Operation: 57-22=35, Resulting Numbers: [83, 35] Generated Node #0,1,2: 53:[83, 35] Operation: 57-22=35 Exploring Operation: 22+57=79, Resulting Numbers: [83, 79] Generated Node #0,1,3: 53:[83, 79] Operation: 22+57=79 Exploring Operation: 83-57=26, Resulting Numbers: [22, 26] Generated Node #0,1,4: 53:[22, 26] Operation: 83-57=26 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[57, 61], Operations: ['76-19=57', '83-22=61'] Exploring Operation: 57*61=3477, Resulting Numbers: [3477] 3477,53 unequal: No Solution Exploring Operation: 57+61=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 61-57=4, Resulting Numbers: [4] 4,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 53:[83, 35], Operations: ['76-19=57', '57-22=35'] Exploring Operation: 83-35=48, Resulting Numbers: [48] 48,53 unequal: No Solution Exploring Operation: 83*35=2905, Resulting Numbers: [2905] 2905,53 unequal: No Solution Exploring Operation: 83+35=118, Resulting Numbers: [118] 118,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[57, 105], Operations: ['76-19=57', '22+83=105'] Exploring Operation: 105-57=48, Resulting Numbers: [48] 48,53 unequal: No Solution Exploring Operation: 57*105=5985, Resulting Numbers: [5985] 5985,53 unequal: No Solution Exploring Operation: 57+105=162, Resulting Numbers: [162] 162,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 53:[83, 79], Operations: ['76-19=57', '22+57=79'] Exploring Operation: 83-79=4, Resulting Numbers: [4] 4,53 unequal: No Solution Exploring Operation: 83+79=162, Resulting Numbers: [162] 162,53 unequal: No Solution Exploring Operation: 83*79=6557, Resulting Numbers: [6557] 6557,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 53:[22, 26], Operations: ['76-19=57', '83-57=26'] Exploring Operation: 22*26=572, Resulting Numbers: [572] 572,53 unequal: No Solution Exploring Operation: 22+26=48, Resulting Numbers: [48] 48,53 unequal: No Solution Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,53 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: 53:[76, 22, 64], Operations: ['83-19=64'] Exploring Operation: 76+22=98, Resulting Numbers: [64, 98] Generated Node #0,2,0: 53:[64, 98] Operation: 76+22=98 Exploring Operation: 76-22=54, Resulting Numbers: [64, 54] Generated Node #0,2,1: 53:[64, 54] Operation: 76-22=54 Exploring Operation: 64-22=42, Resulting Numbers: [76, 42] Generated Node #0,2,2: 53:[76, 42] Operation: 64-22=42 Exploring Operation: 76-64=12, Resulting Numbers: [22, 12] Generated Node #0,2,3: 53:[22, 12] Operation: 76-64=12 Exploring Operation: 22+64=86, Resulting Numbers: [76, 86] Generated Node #0,2,4: 53:[76, 86] Operation: 22+64=86 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 53:[64, 54], Operations: ['83-19=64', '76-22=54'] Exploring Operation: 64*54=3456, Resulting Numbers: [3456] 3456,53 unequal: No Solution Exploring Operation: 64-54=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 64+54=118, Resulting Numbers: [118] 118,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 53:[76, 42], Operations: ['83-19=64', '64-22=42'] Exploring Operation: 76*42=3192, Resulting Numbers: [3192] 3192,53 unequal: No Solution Exploring Operation: 76+42=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 53:[64, 98], Operations: ['83-19=64', '76+22=98'] Exploring Operation: 64+98=162, Resulting Numbers: [162] 162,53 unequal: No Solution Exploring Operation: 98-64=34, Resulting Numbers: [34] 34,53 unequal: No Solution Exploring Operation: 64*98=6272, Resulting Numbers: [6272] 6272,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 53:[76, 86], Operations: ['83-19=64', '22+64=86'] Exploring Operation: 86-76=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 76*86=6536, Resulting Numbers: [6536] 6536,53 unequal: No Solution Exploring Operation: 76+86=162, Resulting Numbers: [162] 162,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 53:[22, 12], Operations: ['83-19=64', '76-64=12'] Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 22+12=34, Resulting Numbers: [34] 34,53 unequal: No Solution Exploring Operation: 22*12=264, Resulting Numbers: [264] 264,53 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: 53:[76, 83, 41], Operations: ['22+19=41'] Exploring Operation: 76+41=117, Resulting Numbers: [83, 117] Generated Node #0,3,0: 53:[83, 117] Operation: 76+41=117 Exploring Operation: 83-76=7, Resulting Numbers: [41, 7] Generated Node #0,3,1: 53:[41, 7] Operation: 83-76=7 Exploring Operation: 83-41=42, Resulting Numbers: [76, 42] Generated Node #0,3,2: 53:[76, 42] Operation: 83-41=42 Exploring Operation: 83+41=124, Resulting Numbers: [76, 124] Generated Node #0,3,3: 53:[76, 124] Operation: 83+41=124 Exploring Operation: 76-41=35, Resulting Numbers: [83, 35] Generated Node #0,3,4: 53:[83, 35] Operation: 76-41=35 Moving to Node #0,3,2 Current State: 53:[76, 42], Operations: ['22+19=41', '83-41=42'] Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,53 unequal: No Solution Exploring Operation: 76*42=3192, Resulting Numbers: [3192] 3192,53 unequal: No Solution Exploring Operation: 76+42=118, Resulting Numbers: [118] 118,53 unequal: No Solution Moving to Node #0,3,4 Current State: 53:[83, 35], Operations: ['22+19=41', '76-41=35'] Exploring Operation: 83*35=2905, Resulting Numbers: [2905] 2905,53 unequal: No Solution Exploring Operation: 83+35=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 83-35=48, Resulting Numbers: [48] 48,53 unequal: No Solution Moving to Node #0,3,1 Current State: 53:[41, 7], Operations: ['22+19=41', '83-76=7'] Exploring Operation: 41+7=48, Resulting Numbers: [48] 48,53 unequal: No Solution Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,53 unequal: No Solution Exploring Operation: 41*7=287, Resulting Numbers: [287] 287,53 unequal: No Solution Moving to Node #0,3,0 Current State: 53:[83, 117], Operations: ['22+19=41', '76+41=117'] Exploring Operation: 83*117=9711, Resulting Numbers: [9711] 9711,53 unequal: No Solution Exploring Operation: 117-83=34, Resulting Numbers: [34] 34,53 unequal: No Solution Exploring Operation: 83+117=200, Resulting Numbers: [200] 200,53 unequal: No Solution Moving to Node #0,3,3 Current State: 53:[76, 124], Operations: ['22+19=41', '83+41=124'] Exploring Operation: 124-76=48, Resulting Numbers: [48] 48,53 unequal: No Solution Exploring Operation: 76+124=200, Resulting Numbers: [200] 200,53 unequal: No Solution Exploring Operation: 76*124=9424, Resulting Numbers: [9424] 9424,53 unequal: No Solution No 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: 53:[83, 19, 54], Operations: ['76-22=54'] Exploring Operation: 54-19=35, Resulting Numbers: [83, 35] Generated Node #0,4,0: 53:[83, 35] Operation: 54-19=35 Exploring Operation: 19+54=73, Resulting Numbers: [83, 73] Generated Node #0,4,1: 53:[83, 73] Operation: 19+54=73 Exploring Operation: 83-19=64, Resulting Numbers: [54, 64] Generated Node #0,4,2: 53:[54, 64] Operation: 83-19=64 Exploring Operation: 83-54=29, Resulting Numbers: [19, 29] Generated Node #0,4,3: 53:[19, 29] Operation: 83-54=29 Exploring Operation: 83+19=102, Resulting Numbers: [54, 102] Generated Node #0,4,4: 53:[54, 102] Operation: 83+19=102 Moving to Node #0,4,2 Current State: 53:[54, 64], Operations: ['76-22=54', '83-19=64'] Exploring Operation: 54+64=118, Resulting Numbers: [118] 118,53 unequal: No Solution Exploring Operation: 54*64=3456, Resulting Numbers: [3456] 3456,53 unequal: No Solution Exploring Operation: 64-54=10, Resulting Numbers: [10] 10,53 unequal: No Solution Moving to Node #0,4,0 Current State: 53:[83, 35], Operations: ['76-22=54', '54-19=35'] Exploring Operation: 83*35=2905, Resulting Numbers: [2905] 2905,53 unequal: No Solution Exploring Operation: 83-35=48, Resulting Numbers: [48] 48,53 unequal: No Solution Exploring Operation: 83+35=118, Resulting Numbers: [118] 118,53 unequal: No Solution Moving to Node #0,4,1 Current State: 53:[83, 73], Operations: ['76-22=54', '19+54=73'] Exploring Operation: 83-73=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 83*73=6059, Resulting Numbers: [6059] 6059,53 unequal: No Solution Exploring Operation: 83+73=156, Resulting Numbers: [156] 156,53 unequal: No Solution Moving to Node #0,4,4 Current State: 53:[54, 102], Operations: ['76-22=54', '83+19=102'] Exploring Operation: 54*102=5508, Resulting Numbers: [5508] 5508,53 unequal: No Solution Exploring Operation: 54+102=156, Resulting Numbers: [156] 156,53 unequal: No Solution Exploring Operation: 102-54=48, Resulting Numbers: [48] 48,53 unequal: No Solution Moving to Node #0,4,3 Current State: 53:[19, 29], Operations: ['76-22=54', '83-54=29'] Exploring Operation: 19+29=48, Resulting Numbers: [48] 48,53 unequal: No Solution Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 19*29=551, Resulting Numbers: [551] 551,53 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
[ 4, 79, 41, 9 ]
33
[ "4+79=83", "41+9=50", "83-50=33" ]
Current State: 33:[4, 79, 41, 9], Operations: [] Exploring Operation: 4+79=83, Resulting Numbers: [41, 9, 83] Generated Node #2: [41, 9, 83] from Operation: 4+79=83 Current State: 33:[41, 9, 83], Operations: ['4+79=83'] Exploring Operation: 41+9=50, Resulting Numbers: [83, 50] Generated Node #3: [83, 50] from Operation: 41+9=50 Current State: 33:[83, 50], Operations: ['4+79=83', '41+9=50'] Exploring Operation: 83-50=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[4, 79, 41, 9], Operations: [] Exploring Operation: 79-9=70, Resulting Numbers: [4, 41, 70] Generated Node #0,0: 33:[4, 41, 70] Operation: 79-9=70 Exploring Operation: 41-9=32, Resulting Numbers: [4, 79, 32] Generated Node #0,1: 33:[4, 79, 32] Operation: 41-9=32 Exploring Operation: 79-41=38, Resulting Numbers: [4, 9, 38] Generated Node #0,2: 33:[4, 9, 38] Operation: 79-41=38 Exploring Operation: 79-4=75, Resulting Numbers: [41, 9, 75] Generated Node #0,3: 33:[41, 9, 75] Operation: 79-4=75 Start Sub Search at level 1: Moving to Node #0,2 Current State: 33:[4, 9, 38], Operations: ['79-41=38'] Exploring Operation: 4+9=13, Resulting Numbers: [38, 13] Generated Node #0,2,0: 33:[38, 13] Operation: 4+9=13 Exploring Operation: 9-4=5, Resulting Numbers: [38, 5] Generated Node #0,2,1: 33:[38, 5] Operation: 9-4=5 Exploring Operation: 38-9=29, Resulting Numbers: [4, 29] Generated Node #0,2,2: 33:[4, 29] Operation: 38-9=29 Exploring Operation: 38-4=34, Resulting Numbers: [9, 34] Generated Node #0,2,3: 33:[9, 34] Operation: 38-4=34 Moving to Node #0,2,3 Current State: 33:[9, 34], Operations: ['79-41=38', '38-4=34'] Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,33 unequal: No Solution Exploring Operation: 9+34=43, Resulting Numbers: [43] 43,33 unequal: No Solution Exploring Operation: 9*34=306, Resulting Numbers: [306] 306,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[4, 29], Operations: ['79-41=38', '38-9=29'] Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,33 unequal: No Solution Exploring Operation: 4*29=116, Resulting Numbers: [116] 116,33 unequal: No Solution Exploring Operation: 4+29=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[4, 79, 41, 9], Operations: [] Exploring Operation: 79-41=38, Resulting Numbers: [4, 9, 38] Generated Node #0,2: 33:[4, 9, 38] Operation: 79-41=38 Moving to Node #0,2 Current State: 33:[4, 9, 38], Operations: ['79-41=38'] Exploring Operation: 38-9=29, Resulting Numbers: [4, 29] Generated Node #0,2,2: 33:[4, 29] Operation: 38-9=29 Moving to Node #0,2,2 Current State: 33:[4, 29], Operations: ['79-41=38', '38-9=29'] Exploring Operation: 4+29=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 14, 2, 74, 74 ]
97
[ "74-14=60", "74/2=37", "60+37=97" ]
Current State: 97:[14, 2, 74, 74], Operations: [] Exploring Operation: 74-14=60, Resulting Numbers: [2, 60] Generated Node #2: [2, 60] from Operation: 74-14=60 Current State: 97:[2, 60], Operations: ['74-14=60'] Exploring Operation: 74/2=37, Resulting Numbers: [60, 37] Generated Node #3: [60, 37] from Operation: 74/2=37 Current State: 97:[60, 37], Operations: ['74-14=60', '74/2=37'] Exploring Operation: 60+37=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[14, 2, 74, 74], Operations: [] Exploring Operation: 14*2=28, Resulting Numbers: [74, 74, 28] Generated Node #0,0: 97:[74, 74, 28] Operation: 14*2=28 Exploring Operation: 14+74=88, Resulting Numbers: [2, 74, 88] Generated Node #0,1: 97:[2, 74, 88] Operation: 14+74=88 Exploring Operation: 14+2=16, Resulting Numbers: [74, 74, 16] Generated Node #0,2: 97:[74, 74, 16] Operation: 14+2=16 Exploring Operation: 14+74=88, Resulting Numbers: [2, 74, 88] Generated Node #0,3: 97:[2, 74, 88] Operation: 14+74=88 Moving to Node #0,0 Current State: 97:[74, 74, 28], Operations: ['14*2=28'] Exploring Operation: 74+28=102, Resulting Numbers: [74, 102] Generated Node #0,0,0: 97:[74, 102] Operation: 74+28=102 Exploring Operation: 74-28=46, Resulting Numbers: [74, 46] Generated Node #0,0,1: 97:[74, 46] Operation: 74-28=46 Exploring Operation: 74-28=46, Resulting Numbers: [74, 46] Generated Node #0,0,2: 97:[74, 46] Operation: 74-28=46 Exploring Operation: 74+28=102, Resulting Numbers: [74, 102] Generated Node #0,0,3: 97:[74, 102] Operation: 74+28=102 Moving to Node #0,2 Current State: 97:[74, 74, 16], Operations: ['14+2=16'] Exploring Operation: 74+16=90, Resulting Numbers: [74, 90] Generated Node #0,2,0: 97:[74, 90] Operation: 74+16=90 Exploring Operation: 74+16=90, Resulting Numbers: [74, 90] Generated Node #0,2,1: 97:[74, 90] Operation: 74+16=90 Exploring Operation: 74-16=58, Resulting Numbers: [74, 58] Generated Node #0,2,2: 97:[74, 58] Operation: 74-16=58 Exploring Operation: 74-16=58, Resulting Numbers: [74, 58] Generated Node #0,2,3: 97:[74, 58] Operation: 74-16=58 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 97:[74, 90], Operations: ['14+2=16', '74+16=90'] Exploring Operation: 74+90=164, Resulting Numbers: [164] 164,97 unequal: No Solution Exploring Operation: 74*90=6660, Resulting Numbers: [6660] 6660,97 unequal: No Solution Exploring Operation: 90-74=16, Resulting Numbers: [16] 16,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 97:[74, 90], Operations: ['14+2=16', '74+16=90'] Exploring Operation: 74*90=6660, Resulting Numbers: [6660] 6660,97 unequal: No Solution Exploring Operation: 90-74=16, Resulting Numbers: [16] 16,97 unequal: No Solution Exploring Operation: 74+90=164, Resulting Numbers: [164] 164,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 97:[74, 58], Operations: ['14+2=16', '74-16=58'] Exploring Operation: 74-58=16, Resulting Numbers: [16] 16,97 unequal: No Solution Exploring Operation: 74+58=132, Resulting Numbers: [132] 132,97 unequal: No Solution Exploring Operation: 74*58=4292, Resulting Numbers: [4292] 4292,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 97:[74, 58], Operations: ['14+2=16', '74-16=58'] Exploring Operation: 74+58=132, Resulting Numbers: [132] 132,97 unequal: No Solution Exploring Operation: 74-58=16, Resulting Numbers: [16] 16,97 unequal: No Solution Exploring Operation: 74*58=4292, Resulting Numbers: [4292] 4292,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 97:[2, 74, 88], Operations: ['14+74=88'] Exploring Operation: 74-2=72, Resulting Numbers: [88, 72] Generated Node #0,1,0: 97:[88, 72] Operation: 74-2=72 Exploring Operation: 88-2=86, Resulting Numbers: [74, 86] Generated Node #0,1,1: 97:[74, 86] Operation: 88-2=86 Exploring Operation: 2+74=76, Resulting Numbers: [88, 76] Generated Node #0,1,2: 97:[88, 76] Operation: 2+74=76 Exploring Operation: 2+88=90, Resulting Numbers: [74, 90] Generated Node #0,1,3: 97:[74, 90] Operation: 2+88=90 Moving to Node #0,3 Current State: 97:[2, 74, 88], Operations: ['14+74=88'] Exploring Operation: 2+74=76, Resulting Numbers: [88, 76] Generated Node #0,3,0: 97:[88, 76] Operation: 2+74=76 Exploring Operation: 74-2=72, Resulting Numbers: [88, 72] Generated Node #0,3,1: 97:[88, 72] Operation: 74-2=72 Exploring Operation: 2+88=90, Resulting Numbers: [74, 90] Generated Node #0,3,2: 97:[74, 90] Operation: 2+88=90 Exploring Operation: 88-2=86, Resulting Numbers: [74, 86] Generated Node #0,3,3: 97:[74, 86] Operation: 88-2=86 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 97:[88, 76], Operations: ['14+74=88', '2+74=76'] Exploring Operation: 88*76=6688, Resulting Numbers: [6688] 6688,97 unequal: No Solution Exploring Operation: 88+76=164, Resulting Numbers: [164] 164,97 unequal: No Solution Exploring Operation: 88-76=12, Resulting Numbers: [12] 12,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 97:[74, 90], Operations: ['14+74=88', '2+88=90'] Exploring Operation: 74+90=164, Resulting Numbers: [164] 164,97 unequal: No Solution Exploring Operation: 74*90=6660, Resulting Numbers: [6660] 6660,97 unequal: No Solution Exploring Operation: 90-74=16, Resulting Numbers: [16] 16,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 97:[88, 72], Operations: ['14+74=88', '74-2=72'] Exploring Operation: 88+72=160, Resulting Numbers: [160] 160,97 unequal: No Solution Exploring Operation: 88*72=6336, Resulting Numbers: [6336] 6336,97 unequal: No Solution Exploring Operation: 88-72=16, Resulting Numbers: [16] 16,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 97:[74, 86], Operations: ['14+74=88', '88-2=86'] Exploring Operation: 74+86=160, Resulting Numbers: [160] 160,97 unequal: No Solution Exploring Operation: 86-74=12, Resulting Numbers: [12] 12,97 unequal: No Solution Exploring Operation: 74*86=6364, Resulting Numbers: [6364] 6364,97 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: 97:[74, 102], Operations: ['14*2=28', '74+28=102'] Exploring Operation: 74+102=176, Resulting Numbers: [176] 176,97 unequal: No Solution Exploring Operation: 102-74=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 74*102=7548, Resulting Numbers: [7548] 7548,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[74, 102], Operations: ['14*2=28', '74+28=102'] Exploring Operation: 102-74=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 74+102=176, Resulting Numbers: [176] 176,97 unequal: No Solution Exploring Operation: 74*102=7548, Resulting Numbers: [7548] 7548,97 unequal: No Solution Moving to Node #0,1,3 Current State: 97:[74, 90], Operations: ['14+74=88', '2+88=90'] Exploring Operation: 90-74=16, Resulting Numbers: [16] 16,97 unequal: No Solution Exploring Operation: 74*90=6660, Resulting Numbers: [6660] 6660,97 unequal: No Solution Exploring Operation: 74+90=164, Resulting Numbers: [164] 164,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[88, 76], Operations: ['14+74=88', '2+74=76'] Exploring Operation: 88-76=12, Resulting Numbers: [12] 12,97 unequal: No Solution Exploring Operation: 88*76=6688, Resulting Numbers: [6688] 6688,97 unequal: No Solution Exploring Operation: 88+76=164, Resulting Numbers: [164] 164,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[88, 72], Operations: ['14+74=88', '74-2=72'] Exploring Operation: 88+72=160, Resulting Numbers: [160] 160,97 unequal: No Solution Exploring Operation: 88-72=16, Resulting Numbers: [16] 16,97 unequal: No Solution Exploring Operation: 88*72=6336, Resulting Numbers: [6336] 6336,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[74, 86], Operations: ['14+74=88', '88-2=86'] Exploring Operation: 74+86=160, Resulting Numbers: [160] 160,97 unequal: No Solution Exploring Operation: 74*86=6364, Resulting Numbers: [6364] 6364,97 unequal: No Solution Exploring Operation: 86-74=12, Resulting Numbers: [12] 12,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[74, 46], Operations: ['14*2=28', '74-28=46'] Exploring Operation: 74-46=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 74+46=120, Resulting Numbers: [120] 120,97 unequal: No Solution Exploring Operation: 74*46=3404, Resulting Numbers: [3404] 3404,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[74, 46], Operations: ['14*2=28', '74-28=46'] Exploring Operation: 74+46=120, Resulting Numbers: [120] 120,97 unequal: No Solution Exploring Operation: 74*46=3404, Resulting Numbers: [3404] 3404,97 unequal: No Solution Exploring Operation: 74-46=28, Resulting Numbers: [28] 28,97 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 8, 44, 6, 53 ]
35
[ "8-6=2", "44*2=88", "88-53=35" ]
Current State: 35:[8, 44, 6, 53], Operations: [] Exploring Operation: 8-6=2, Resulting Numbers: [44, 53, 2] Generated Node #2: [44, 53, 2] from Operation: 8-6=2 Current State: 35:[44, 53, 2], Operations: ['8-6=2'] Exploring Operation: 44*2=88, Resulting Numbers: [53, 88] Generated Node #3: [53, 88] from Operation: 44*2=88 Current State: 35:[53, 88], Operations: ['8-6=2', '44*2=88'] Exploring Operation: 88-53=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[8, 44, 6, 53], Operations: [] Exploring Operation: 53-6=47, Resulting Numbers: [8, 44, 47] Generated Node #0,0: 35:[8, 44, 47] Operation: 53-6=47 Exploring Operation: 53-8=45, Resulting Numbers: [44, 6, 45] Generated Node #0,1: 35:[44, 6, 45] Operation: 53-8=45 Exploring Operation: 44-6=38, Resulting Numbers: [8, 53, 38] Generated Node #0,2: 35:[8, 53, 38] Operation: 44-6=38 Exploring Operation: 53-44=9, Resulting Numbers: [8, 6, 9] Generated Node #0,3: 35:[8, 6, 9] Operation: 53-44=9 Exploring Operation: 44-8=36, Resulting Numbers: [6, 53, 36] Generated Node #0,4: 35:[6, 53, 36] Operation: 44-8=36 Moving to Node #0,3 Current State: 35:[8, 6, 9], Operations: ['53-44=9'] Exploring Operation: 9-8=1, Resulting Numbers: [6, 1] Generated Node #0,3,0: 35:[6, 1] Operation: 9-8=1 Exploring Operation: 9-6=3, Resulting Numbers: [8, 3] Generated Node #0,3,1: 35:[8, 3] Operation: 9-6=3 Exploring Operation: 6+9=15, Resulting Numbers: [8, 15] Generated Node #0,3,2: 35:[8, 15] Operation: 6+9=15 Exploring Operation: 8+6=14, Resulting Numbers: [9, 14] Generated Node #0,3,3: 35:[9, 14] Operation: 8+6=14 Exploring Operation: 8-6=2, Resulting Numbers: [9, 2] Generated Node #0,3,4: 35:[9, 2] Operation: 8-6=2 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 35:[8, 3], Operations: ['53-44=9', '9-6=3'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 35:[6, 1], Operations: ['53-44=9', '9-8=1'] Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,35 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 35:[9, 2], Operations: ['53-44=9', '8-6=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,35 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 35:[8, 15], Operations: ['53-44=9', '6+9=15'] Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,35 unequal: No Solution Exploring Operation: 8*15=120, Resulting Numbers: [120] 120,35 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 35:[9, 14], Operations: ['53-44=9', '8+6=14'] Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,35 unequal: No Solution Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,35 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 35:[6, 53, 36], Operations: ['44-8=36'] Exploring Operation: 53-6=47, Resulting Numbers: [36, 47] Generated Node #0,4,0: 35:[36, 47] Operation: 53-6=47 Exploring Operation: 36-6=30, Resulting Numbers: [53, 30] Generated Node #0,4,1: 35:[53, 30] Operation: 36-6=30 Exploring Operation: 6+53=59, Resulting Numbers: [36, 59] Generated Node #0,4,2: 35:[36, 59] Operation: 6+53=59 Exploring Operation: 53-36=17, Resulting Numbers: [6, 17] Generated Node #0,4,3: 35:[6, 17] Operation: 53-36=17 Exploring Operation: 36/6=6, Resulting Numbers: [53, 6] Generated Node #0,4,4: 35:[53, 6] Operation: 36/6=6 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 35:[6, 17], Operations: ['44-8=36', '53-36=17'] Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,35 unequal: No Solution Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,35 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 35:[36, 47], Operations: ['44-8=36', '53-6=47'] Exploring Operation: 36+47=83, Resulting Numbers: [83] 83,35 unequal: No Solution Exploring Operation: 36*47=1692, Resulting Numbers: [1692] 1692,35 unequal: No Solution Exploring Operation: 47-36=11, Resulting Numbers: [11] 11,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 35:[53, 6], Operations: ['44-8=36', '36/6=6'] Exploring Operation: 53*6=318, Resulting Numbers: [318] 318,35 unequal: No Solution Exploring Operation: 53+6=59, Resulting Numbers: [59] 59,35 unequal: No Solution Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 35:[53, 30], Operations: ['44-8=36', '36-6=30'] Exploring Operation: 53+30=83, Resulting Numbers: [83] 83,35 unequal: No Solution Exploring Operation: 53-30=23, Resulting Numbers: [23] 23,35 unequal: No Solution Exploring Operation: 53*30=1590, Resulting Numbers: [1590] 1590,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 35:[36, 59], Operations: ['44-8=36', '6+53=59'] Exploring Operation: 36+59=95, Resulting Numbers: [95] 95,35 unequal: No Solution Exploring Operation: 59-36=23, Resulting Numbers: [23] 23,35 unequal: No Solution Exploring Operation: 36*59=2124, Resulting Numbers: [2124] 2124,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 35:[44, 6, 45], Operations: ['53-8=45'] Exploring Operation: 45-6=39, Resulting Numbers: [44, 39] Generated Node #0,1,0: 35:[44, 39] Operation: 45-6=39 Exploring Operation: 45-44=1, Resulting Numbers: [6, 1] Generated Node #0,1,1: 35:[6, 1] Operation: 45-44=1 Exploring Operation: 6+45=51, Resulting Numbers: [44, 51] Generated Node #0,1,2: 35:[44, 51] Operation: 6+45=51 Exploring Operation: 44-6=38, Resulting Numbers: [45, 38] Generated Node #0,1,3: 35:[45, 38] Operation: 44-6=38 Exploring Operation: 44+6=50, Resulting Numbers: [45, 50] Generated Node #0,1,4: 35:[45, 50] Operation: 44+6=50 Moving to Node #0,0 Current State: 35:[8, 44, 47], Operations: ['53-6=47'] Exploring Operation: 44-8=36, Resulting Numbers: [47, 36] Generated Node #0,0,0: 35:[47, 36] Operation: 44-8=36 Exploring Operation: 8+44=52, Resulting Numbers: [47, 52] Generated Node #0,0,1: 35:[47, 52] Operation: 8+44=52 Exploring Operation: 8+47=55, Resulting Numbers: [44, 55] Generated Node #0,0,2: 35:[44, 55] Operation: 8+47=55 Exploring Operation: 47-8=39, Resulting Numbers: [44, 39] Generated Node #0,0,3: 35:[44, 39] Operation: 47-8=39 Exploring Operation: 47-44=3, Resulting Numbers: [8, 3] Generated Node #0,0,4: 35:[8, 3] Operation: 47-44=3 Moving to Node #0,2 Current State: 35:[8, 53, 38], Operations: ['44-6=38'] Exploring Operation: 8+38=46, Resulting Numbers: [53, 46] Generated Node #0,2,0: 35:[53, 46] Operation: 8+38=46 Exploring Operation: 8+53=61, Resulting Numbers: [38, 61] Generated Node #0,2,1: 35:[38, 61] Operation: 8+53=61 Exploring Operation: 53-8=45, Resulting Numbers: [38, 45] Generated Node #0,2,2: 35:[38, 45] Operation: 53-8=45 Exploring Operation: 38-8=30, Resulting Numbers: [53, 30] Generated Node #0,2,3: 35:[53, 30] Operation: 38-8=30 Exploring Operation: 53-38=15, Resulting Numbers: [8, 15] Generated Node #0,2,4: 35:[8, 15] Operation: 53-38=15 Moving to Node #0,0,4 Current State: 35:[8, 3], Operations: ['53-6=47', '47-44=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,35 unequal: No Solution Moving to Node #0,1,1 Current State: 35:[6, 1], Operations: ['53-8=45', '45-44=1'] Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,35 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,35 unequal: No Solution Moving to Node #0,2,4 Current State: 35:[8, 15], Operations: ['44-6=38', '53-38=15'] Exploring Operation: 8*15=120, Resulting Numbers: [120] 120,35 unequal: No Solution Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,35 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,35 unequal: No Solution Moving to Node #0,0,0 Current State: 35:[47, 36], Operations: ['53-6=47', '44-8=36'] Exploring Operation: 47*36=1692, Resulting Numbers: [1692] 1692,35 unequal: No Solution Exploring Operation: 47+36=83, Resulting Numbers: [83] 83,35 unequal: No Solution Exploring Operation: 47-36=11, Resulting Numbers: [11] 11,35 unequal: No Solution Moving to Node #0,1,3 Current State: 35:[45, 38], Operations: ['53-8=45', '44-6=38'] Exploring Operation: 45-38=7, Resulting Numbers: [7] 7,35 unequal: No Solution Exploring Operation: 45*38=1710, Resulting Numbers: [1710] 1710,35 unequal: No Solution Exploring Operation: 45+38=83, Resulting Numbers: [83] 83,35 unequal: No Solution Moving to Node #0,2,2 Current State: 35:[38, 45], Operations: ['44-6=38', '53-8=45'] Exploring Operation: 45-38=7, Resulting Numbers: [7] 7,35 unequal: No Solution Exploring Operation: 38*45=1710, Resulting Numbers: [1710] 1710,35 unequal: No Solution Exploring Operation: 38+45=83, Resulting Numbers: [83] 83,35 unequal: No Solution Moving to Node #0,1,0 Current State: 35:[44, 39], Operations: ['53-8=45', '45-6=39'] Exploring Operation: 44-39=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 44+39=83, Resulting Numbers: [83] 83,35 unequal: No Solution Exploring Operation: 44*39=1716, Resulting Numbers: [1716] 1716,35 unequal: No Solution Moving to Node #0,0,3 Current State: 35:[44, 39], Operations: ['53-6=47', '47-8=39'] Exploring Operation: 44+39=83, Resulting Numbers: [83] 83,35 unequal: No Solution Exploring Operation: 44-39=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 44*39=1716, Resulting Numbers: [1716] 1716,35 unequal: No Solution Moving to Node #0,2,3 Current State: 35:[53, 30], Operations: ['44-6=38', '38-8=30'] Exploring Operation: 53-30=23, Resulting Numbers: [23] 23,35 unequal: No Solution Exploring Operation: 53*30=1590, Resulting Numbers: [1590] 1590,35 unequal: No Solution Exploring Operation: 53+30=83, Resulting Numbers: [83] 83,35 unequal: No Solution Moving to Node #0,1,4 Current State: 35:[45, 50], Operations: ['53-8=45', '44+6=50'] Exploring Operation: 50-45=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 45+50=95, Resulting Numbers: [95] 95,35 unequal: No Solution Exploring Operation: 45*50=2250, Resulting Numbers: [2250] 2250,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[44, 51], Operations: ['53-8=45', '6+45=51'] Exploring Operation: 51-44=7, Resulting Numbers: [7] 7,35 unequal: No Solution Exploring Operation: 44*51=2244, Resulting Numbers: [2244] 2244,35 unequal: No Solution Exploring Operation: 44+51=95, Resulting Numbers: [95] 95,35 unequal: No Solution Moving to Node #0,2,0 Current State: 35:[53, 46], Operations: ['44-6=38', '8+38=46'] Exploring Operation: 53*46=2438, Resulting Numbers: [2438] 2438,35 unequal: No Solution Exploring Operation: 53+46=99, Resulting Numbers: [99] 99,35 unequal: No Solution Exploring Operation: 53-46=7, Resulting Numbers: [7] 7,35 unequal: No Solution Moving to Node #0,2,1 Current State: 35:[38, 61], Operations: ['44-6=38', '8+53=61'] Exploring Operation: 38*61=2318, Resulting Numbers: [2318] 2318,35 unequal: No Solution Exploring Operation: 38+61=99, Resulting Numbers: [99] 99,35 unequal: No Solution Exploring Operation: 61-38=23, Resulting Numbers: [23] 23,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[47, 52], Operations: ['53-6=47', '8+44=52'] Exploring Operation: 52-47=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 47*52=2444, Resulting Numbers: [2444] 2444,35 unequal: No Solution Exploring Operation: 47+52=99, Resulting Numbers: [99] 99,35 unequal: No Solution Moving to Node #0,0,2 Current State: 35:[44, 55], Operations: ['53-6=47', '8+47=55'] Exploring Operation: 55-44=11, Resulting Numbers: [11] 11,35 unequal: No Solution Exploring Operation: 44*55=2420, Resulting Numbers: [2420] 2420,35 unequal: No Solution Exploring Operation: 44+55=99, Resulting Numbers: [99] 99,35 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 35, 59, 73, 3 ]
69
[ "35+73=108", "59*3=177", "177-108=69" ]
Current State: 69:[35, 59, 73, 3], Operations: [] Exploring Operation: 35+73=108, Resulting Numbers: [59, 3, 108] Generated Node #2: [59, 3, 108] from Operation: 35+73=108 Current State: 69:[59, 3, 108], Operations: ['35+73=108'] Exploring Operation: 59*3=177, Resulting Numbers: [108, 177] Generated Node #3: [108, 177] from Operation: 59*3=177 Current State: 69:[108, 177], Operations: ['35+73=108', '59*3=177'] Exploring Operation: 177-108=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[35, 59, 73, 3], Operations: [] Exploring Operation: 73-59=14, Resulting Numbers: [35, 3, 14] Generated Node #0,0: 69:[35, 3, 14] Operation: 73-59=14 Exploring Operation: 59-35=24, Resulting Numbers: [73, 3, 24] Generated Node #0,1: 69:[73, 3, 24] Operation: 59-35=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[73, 3, 24], Operations: ['59-35=24'] Exploring Operation: 73-3=70, Resulting Numbers: [24, 70] Generated Node #0,1,0: 69:[24, 70] Operation: 73-3=70 Exploring Operation: 24-3=21, Resulting Numbers: [73, 21] Generated Node #0,1,1: 69:[73, 21] Operation: 24-3=21 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 69:[24, 70], Operations: ['59-35=24', '73-3=70'] Exploring Operation: 24+70=94, Resulting Numbers: [94] 94,69 unequal: No Solution Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 69:[73, 21], Operations: ['59-35=24', '24-3=21'] Exploring Operation: 73-21=52, Resulting Numbers: [52] 52,69 unequal: No Solution Exploring Operation: 73+21=94, Resulting Numbers: [94] 94,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[35, 3, 14], Operations: ['73-59=14'] Exploring Operation: 35-14=21, Resulting Numbers: [3, 21] Generated Node #0,0,0: 69:[3, 21] Operation: 35-14=21 Exploring Operation: 35-3=32, Resulting Numbers: [14, 32] Generated Node #0,0,1: 69:[14, 32] Operation: 35-3=32 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[3, 21], Operations: ['73-59=14', '35-14=21'] Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,69 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 69:[14, 32], Operations: ['73-59=14', '35-3=32'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,69 unequal: No Solution Exploring Operation: 14+32=46, Resulting Numbers: [46] 46,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 74, 40, 31, 30 ]
34
[ "74-40=34", "31-30=1", "34*1=34" ]
Current State: 34:[74, 40, 31, 30], Operations: [] Exploring Operation: 74-40=34, Resulting Numbers: [31, 30, 34] Generated Node #2: [31, 30, 34] from Operation: 74-40=34 Current State: 34:[31, 30, 34], Operations: ['74-40=34'] Exploring Operation: 31-30=1, Resulting Numbers: [34, 1] Generated Node #3: [34, 1] from Operation: 31-30=1 Current State: 34:[34, 1], Operations: ['74-40=34', '31-30=1'] Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[74, 40, 31, 30], Operations: [] Exploring Operation: 74-31=43, Resulting Numbers: [40, 30, 43] Generated Node #0,0: 34:[40, 30, 43] Operation: 74-31=43 Exploring Operation: 74-40=34, Resulting Numbers: [31, 30, 34] Generated Node #0,1: 34:[31, 30, 34] Operation: 74-40=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[31, 30, 34], Operations: ['74-40=34'] Exploring Operation: 34-31=3, Resulting Numbers: [30, 3] Generated Node #0,1,0: 34:[30, 3] Operation: 34-31=3 Exploring Operation: 31-30=1, Resulting Numbers: [34, 1] Generated Node #0,1,1: 34:[34, 1] Operation: 31-30=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 34:[34, 1], Operations: ['74-40=34', '31-30=1'] Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[74, 40, 31, 30], Operations: [] Exploring Operation: 74-40=34, Resulting Numbers: [31, 30, 34] Generated Node #0,1: 34:[31, 30, 34] Operation: 74-40=34 Moving to Node #0,1 Current State: 34:[31, 30, 34], Operations: ['74-40=34'] Exploring Operation: 31-30=1, Resulting Numbers: [34, 1] Generated Node #0,1,1: 34:[34, 1] Operation: 31-30=1 Moving to Node #0,1,1 Current State: 34:[34, 1], Operations: ['74-40=34', '31-30=1'] Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 70, 98, 94, 35 ]
96
[ "70/35=2", "98+94=192", "192/2=96" ]
Current State: 96:[70, 98, 94, 35], Operations: [] Exploring Operation: 70/35=2, Resulting Numbers: [98, 94, 2] Generated Node #2: [98, 94, 2] from Operation: 70/35=2 Current State: 96:[98, 94, 2], Operations: ['70/35=2'] Exploring Operation: 98+94=192, Resulting Numbers: [2, 192] Generated Node #3: [2, 192] from Operation: 98+94=192 Current State: 96:[2, 192], Operations: ['70/35=2', '98+94=192'] Exploring Operation: 192/2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[70, 98, 94, 35], Operations: [] Exploring Operation: 70/35=2, Resulting Numbers: [98, 94, 2] Generated Node #0,0: 96:[98, 94, 2] Operation: 70/35=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[98, 94, 2], Operations: ['70/35=2'] Exploring Operation: 98-94=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 96:[2, 4] Operation: 98-94=4 Moving to Node #0,0,0 Current State: 96:[2, 4], Operations: ['70/35=2', '98-94=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 58, 31, 3, 46 ]
22
[ "58-31=27", "3+46=49", "49-27=22" ]
Current State: 22:[58, 31, 3, 46], Operations: [] Exploring Operation: 58-31=27, Resulting Numbers: [3, 46, 27] Generated Node #2: [3, 46, 27] from Operation: 58-31=27 Current State: 22:[3, 46, 27], Operations: ['58-31=27'] Exploring Operation: 3+46=49, Resulting Numbers: [27, 49] Generated Node #3: [27, 49] from Operation: 3+46=49 Current State: 22:[27, 49], Operations: ['58-31=27', '3+46=49'] Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[58, 31, 3, 46], Operations: [] Exploring Operation: 58-46=12, Resulting Numbers: [31, 3, 12] Generated Node #0,0: 22:[31, 3, 12] Operation: 58-46=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[31, 3, 12], Operations: ['58-46=12'] Exploring Operation: 31-12=19, Resulting Numbers: [3, 19] Generated Node #0,0,0: 22:[3, 19] Operation: 31-12=19 Moving to Node #0,0,0 Current State: 22:[3, 19], Operations: ['58-46=12', '31-12=19'] Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[58, 31, 3, 46], Operations: [] Exploring Operation: 58-46=12, Resulting Numbers: [31, 3, 12] Generated Node #0,0: 22:[31, 3, 12] Operation: 58-46=12 Moving to Node #0,0 Current State: 22:[31, 3, 12], Operations: ['58-46=12'] Exploring Operation: 31-12=19, Resulting Numbers: [3, 19] Generated Node #0,0,0: 22:[3, 19] Operation: 31-12=19 Moving to Node #0,0,0 Current State: 22:[3, 19], Operations: ['58-46=12', '31-12=19'] Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 16, 50, 31, 78 ]
75
[ "50-16=34", "31+78=109", "109-34=75" ]
Current State: 75:[16, 50, 31, 78], Operations: [] Exploring Operation: 50-16=34, Resulting Numbers: [31, 78, 34] Generated Node #2: [31, 78, 34] from Operation: 50-16=34 Current State: 75:[31, 78, 34], Operations: ['50-16=34'] Exploring Operation: 31+78=109, Resulting Numbers: [34, 109] Generated Node #3: [34, 109] from Operation: 31+78=109 Current State: 75:[34, 109], Operations: ['50-16=34', '31+78=109'] Exploring Operation: 109-34=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[16, 50, 31, 78], Operations: [] Exploring Operation: 16+50=66, Resulting Numbers: [31, 78, 66] Generated Node #0,0: 75:[31, 78, 66] Operation: 16+50=66 Exploring Operation: 50-16=34, Resulting Numbers: [31, 78, 34] Generated Node #0,1: 75:[31, 78, 34] Operation: 50-16=34 Exploring Operation: 78-50=28, Resulting Numbers: [16, 31, 28] Generated Node #0,2: 75:[16, 31, 28] Operation: 78-50=28 Exploring Operation: 50+31=81, Resulting Numbers: [16, 78, 81] Generated Node #0,3: 75:[16, 78, 81] Operation: 50+31=81 Exploring Operation: 50-31=19, Resulting Numbers: [16, 78, 19] Generated Node #0,4: 75:[16, 78, 19] Operation: 50-31=19 Start Sub Search at level 1: Moving to Node #0,4 Current State: 75:[16, 78, 19], Operations: ['50-31=19'] Exploring Operation: 19-16=3, Resulting Numbers: [78, 3] Generated Node #0,4,0: 75:[78, 3] Operation: 19-16=3 Exploring Operation: 16+78=94, Resulting Numbers: [19, 94] Generated Node #0,4,1: 75:[19, 94] Operation: 16+78=94 Exploring Operation: 78-16=62, Resulting Numbers: [19, 62] Generated Node #0,4,2: 75:[19, 62] Operation: 78-16=62 Exploring Operation: 16+19=35, Resulting Numbers: [78, 35] Generated Node #0,4,3: 75:[78, 35] Operation: 16+19=35 Exploring Operation: 78-19=59, Resulting Numbers: [16, 59] Generated Node #0,4,4: 75:[16, 59] Operation: 78-19=59 Moving to Node #0,4,0 Current State: 75:[78, 3], Operations: ['50-31=19', '19-16=3'] Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,75 unequal: No Solution Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,75 unequal: No Solution Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[16, 50, 31, 78], Operations: [] Exploring Operation: 50-31=19, Resulting Numbers: [16, 78, 19] Generated Node #0,4: 75:[16, 78, 19] Operation: 50-31=19 Moving to Node #0,4 Current State: 75:[16, 78, 19], Operations: ['50-31=19'] Exploring Operation: 19-16=3, Resulting Numbers: [78, 3] Generated Node #0,4,0: 75:[78, 3] Operation: 19-16=3 Moving to Node #0,4,0 Current State: 75:[78, 3], Operations: ['50-31=19', '19-16=3'] Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 43, 62, 32, 15 ]
86
[ "62-32=30", "43*30=1290", "1290/15=86" ]
Current State: 86:[43, 62, 32, 15], Operations: [] Exploring Operation: 62-32=30, Resulting Numbers: [43, 15, 30] Generated Node #2: [43, 15, 30] from Operation: 62-32=30 Current State: 86:[43, 15, 30], Operations: ['62-32=30'] Exploring Operation: 43*30=1290, Resulting Numbers: [15, 1290] Generated Node #3: [15, 1290] from Operation: 43*30=1290 Current State: 86:[15, 1290], Operations: ['62-32=30', '43*30=1290'] Exploring Operation: 1290/15=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[43, 62, 32, 15], Operations: [] Exploring Operation: 62+15=77, Resulting Numbers: [43, 32, 77] Generated Node #0,0: 86:[43, 32, 77] Operation: 62+15=77 Exploring Operation: 62-15=47, Resulting Numbers: [43, 32, 47] Generated Node #0,1: 86:[43, 32, 47] Operation: 62-15=47 Moving to Node #0,1 Current State: 86:[43, 32, 47], Operations: ['62-15=47'] Exploring Operation: 32+47=79, Resulting Numbers: [43, 79] Generated Node #0,1,0: 86:[43, 79] Operation: 32+47=79 Exploring Operation: 43-32=11, Resulting Numbers: [47, 11] Generated Node #0,1,1: 86:[47, 11] Operation: 43-32=11 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[43, 79], Operations: ['62-15=47', '32+47=79'] Exploring Operation: 79-43=36, Resulting Numbers: [36] 36,86 unequal: No Solution Exploring Operation: 43+79=122, Resulting Numbers: [122] 122,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 86:[47, 11], Operations: ['62-15=47', '43-32=11'] Exploring Operation: 47+11=58, Resulting Numbers: [58] 58,86 unequal: No Solution Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,86 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: 86:[43, 32, 77], Operations: ['62+15=77'] Exploring Operation: 77-32=45, Resulting Numbers: [43, 45] Generated Node #0,0,0: 86:[43, 45] Operation: 77-32=45 Exploring Operation: 43-32=11, Resulting Numbers: [77, 11] Generated Node #0,0,1: 86:[77, 11] Operation: 43-32=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[43, 45], Operations: ['62+15=77', '77-32=45'] Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,86 unequal: No Solution Exploring Operation: 43+45=88, Resulting Numbers: [88] 88,86 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:[77, 11], Operations: ['62+15=77', '43-32=11'] Exploring Operation: 77+11=88, Resulting Numbers: [88] 88,86 unequal: No Solution Exploring Operation: 77/11=7, Resulting Numbers: [7] 7,86 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
[ 91, 70, 74, 26 ]
69
[ "91-70=21", "74-26=48", "21+48=69" ]
Current State: 69:[91, 70, 74, 26], Operations: [] Exploring Operation: 91-70=21, Resulting Numbers: [74, 26, 21] Generated Node #2: [74, 26, 21] from Operation: 91-70=21 Current State: 69:[74, 26, 21], Operations: ['91-70=21'] Exploring Operation: 74-26=48, Resulting Numbers: [21, 48] Generated Node #3: [21, 48] from Operation: 74-26=48 Current State: 69:[21, 48], Operations: ['91-70=21', '74-26=48'] Exploring Operation: 21+48=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[91, 70, 74, 26], Operations: [] Exploring Operation: 91-70=21, Resulting Numbers: [74, 26, 21] Generated Node #0,0: 69:[74, 26, 21] Operation: 91-70=21 Exploring Operation: 91-74=17, Resulting Numbers: [70, 26, 17] Generated Node #0,1: 69:[70, 26, 17] Operation: 91-74=17 Moving to Node #0,0 Current State: 69:[74, 26, 21], Operations: ['91-70=21'] Exploring Operation: 26-21=5, Resulting Numbers: [74, 5] Generated Node #0,0,0: 69:[74, 5] Operation: 26-21=5 Exploring Operation: 74-21=53, Resulting Numbers: [26, 53] Generated Node #0,0,1: 69:[26, 53] Operation: 74-21=53 Moving to Node #0,1 Current State: 69:[70, 26, 17], Operations: ['91-74=17'] Exploring Operation: 70-17=53, Resulting Numbers: [26, 53] Generated Node #0,1,0: 69:[26, 53] Operation: 70-17=53 Exploring Operation: 26-17=9, Resulting Numbers: [70, 9] Generated Node #0,1,1: 69:[70, 9] Operation: 26-17=9 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 69:[70, 9], Operations: ['91-74=17', '26-17=9'] Exploring Operation: 70-9=61, Resulting Numbers: [61] 61,69 unequal: No Solution Exploring Operation: 70+9=79, Resulting Numbers: [79] 79,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 69:[26, 53], Operations: ['91-74=17', '70-17=53'] Exploring Operation: 53-26=27, Resulting Numbers: [27] 27,69 unequal: No Solution Exploring Operation: 26+53=79, Resulting Numbers: [79] 79,69 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: 69:[74, 5], Operations: ['91-70=21', '26-21=5'] Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[91, 70, 74, 26], Operations: [] Exploring Operation: 91-70=21, Resulting Numbers: [74, 26, 21] Generated Node #0,0: 69:[74, 26, 21] Operation: 91-70=21 Moving to Node #0,0 Current State: 69:[74, 26, 21], Operations: ['91-70=21'] Exploring Operation: 26-21=5, Resulting Numbers: [74, 5] Generated Node #0,0,0: 69:[74, 5] Operation: 26-21=5 Moving to Node #0,0,0 Current State: 69:[74, 5], Operations: ['91-70=21', '26-21=5'] Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 21, 79, 79, 42 ]
42
[ "79-79=0", "21*0=0", "42+0=42" ]
Current State: 42:[21, 79, 79, 42], Operations: [] Exploring Operation: 79-79=0, Resulting Numbers: [21, 42, 0] Generated Node #2: [21, 42, 0] from Operation: 79-79=0 Current State: 42:[21, 42, 0], Operations: ['79-79=0'] Exploring Operation: 21*0=0, Resulting Numbers: [42, 0] Generated Node #3: [42, 0] from Operation: 21*0=0 Current State: 42:[42, 0], Operations: ['79-79=0', '21*0=0'] Exploring Operation: 42+0=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[21, 79, 79, 42], Operations: [] Exploring Operation: 79/79=1, Resulting Numbers: [21, 42, 1] Generated Node #0,0: 42:[21, 42, 1] Operation: 79/79=1 Exploring Operation: 79-79=0, Resulting Numbers: [21, 42, 0] Generated Node #0,1: 42:[21, 42, 0] Operation: 79-79=0 Moving to Node #0,0 Current State: 42:[21, 42, 1], Operations: ['79/79=1'] Exploring Operation: 21/1=21, Resulting Numbers: [42, 21] Generated Node #0,0,0: 42:[42, 21] Operation: 21/1=21 Exploring Operation: 21*1=21, Resulting Numbers: [42, 21] Generated Node #0,0,1: 42:[42, 21] Operation: 21*1=21 Moving to Node #0,1 Current State: 42:[21, 42, 0], Operations: ['79-79=0'] Exploring Operation: 21+0=21, Resulting Numbers: [42, 21] Generated Node #0,1,0: 42:[42, 21] Operation: 21+0=21 Exploring Operation: 21-0=21, Resulting Numbers: [42, 21] Generated Node #0,1,1: 42:[42, 21] Operation: 21-0=21 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 42:[42, 21], Operations: ['79-79=0', '21+0=21'] Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,42 unequal: No Solution Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 42:[42, 21], Operations: ['79-79=0', '21-0=21'] Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 42:[42, 21], Operations: ['79/79=1', '21/1=21'] Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,42 unequal: No Solution Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,42 unequal: No Solution Moving to Node #0,0,1 Current State: 42:[42, 21], Operations: ['79/79=1', '21*1=21'] Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,42 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 94, 36, 46, 47 ]
59
[ "94-36=58", "47-46=1", "58+1=59" ]
Current State: 59:[94, 36, 46, 47], Operations: [] Exploring Operation: 94-36=58, Resulting Numbers: [46, 47, 58] Generated Node #2: [46, 47, 58] from Operation: 94-36=58 Current State: 59:[46, 47, 58], Operations: ['94-36=58'] Exploring Operation: 47-46=1, Resulting Numbers: [58, 1] Generated Node #3: [58, 1] from Operation: 47-46=1 Current State: 59:[58, 1], Operations: ['94-36=58', '47-46=1'] Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[94, 36, 46, 47], Operations: [] Exploring Operation: 94-36=58, Resulting Numbers: [46, 47, 58] Generated Node #0,0: 59:[46, 47, 58] Operation: 94-36=58 Exploring Operation: 94-46=48, Resulting Numbers: [36, 47, 48] Generated Node #0,1: 59:[36, 47, 48] Operation: 94-46=48 Exploring Operation: 36+47=83, Resulting Numbers: [94, 46, 83] Generated Node #0,2: 59:[94, 46, 83] Operation: 36+47=83 Exploring Operation: 94-47=47, Resulting Numbers: [36, 46, 47] Generated Node #0,3: 59:[36, 46, 47] Operation: 94-47=47 Exploring Operation: 36+46=82, Resulting Numbers: [94, 47, 82] Generated Node #0,4: 59:[94, 47, 82] Operation: 36+46=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[46, 47, 58], Operations: ['94-36=58'] Exploring Operation: 46+47=93, Resulting Numbers: [58, 93] Generated Node #0,0,0: 59:[58, 93] Operation: 46+47=93 Exploring Operation: 46+58=104, Resulting Numbers: [47, 104] Generated Node #0,0,1: 59:[47, 104] Operation: 46+58=104 Exploring Operation: 47-46=1, Resulting Numbers: [58, 1] Generated Node #0,0,2: 59:[58, 1] Operation: 47-46=1 Exploring Operation: 47+58=105, Resulting Numbers: [46, 105] Generated Node #0,0,3: 59:[46, 105] Operation: 47+58=105 Exploring Operation: 58-46=12, Resulting Numbers: [47, 12] Generated Node #0,0,4: 59:[47, 12] Operation: 58-46=12 Moving to Node #0,0,0 Current State: 59:[58, 93], Operations: ['94-36=58', '46+47=93'] Exploring Operation: 93-58=35, Resulting Numbers: [35] 35,59 unequal: No Solution Exploring Operation: 58*93=5394, Resulting Numbers: [5394] 5394,59 unequal: No Solution Exploring Operation: 58+93=151, Resulting Numbers: [151] 151,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[47, 104], Operations: ['94-36=58', '46+58=104'] Exploring Operation: 47*104=4888, Resulting Numbers: [4888] 4888,59 unequal: No Solution Exploring Operation: 104-47=57, Resulting Numbers: [57] 57,59 unequal: No Solution Exploring Operation: 47+104=151, Resulting Numbers: [151] 151,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[58, 1], Operations: ['94-36=58', '47-46=1'] Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,59 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[94, 36, 46, 47], Operations: [] Exploring Operation: 94-36=58, Resulting Numbers: [46, 47, 58] Generated Node #0,0: 59:[46, 47, 58] Operation: 94-36=58 Moving to Node #0,0 Current State: 59:[46, 47, 58], Operations: ['94-36=58'] Exploring Operation: 47-46=1, Resulting Numbers: [58, 1] Generated Node #0,0,2: 59:[58, 1] Operation: 47-46=1 Moving to Node #0,0,2 Current State: 59:[58, 1], Operations: ['94-36=58', '47-46=1'] Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 26, 11, 41, 99 ]
95
[ "26+11=37", "99-41=58", "37+58=95" ]
Current State: 95:[26, 11, 41, 99], Operations: [] Exploring Operation: 26+11=37, Resulting Numbers: [41, 99, 37] Generated Node #2: [41, 99, 37] from Operation: 26+11=37 Current State: 95:[41, 99, 37], Operations: ['26+11=37'] Exploring Operation: 99-41=58, Resulting Numbers: [37, 58] Generated Node #3: [37, 58] from Operation: 99-41=58 Current State: 95:[37, 58], Operations: ['26+11=37', '99-41=58'] Exploring Operation: 37+58=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[26, 11, 41, 99], Operations: [] Exploring Operation: 26-11=15, Resulting Numbers: [41, 99, 15] Generated Node #0,0: 95:[41, 99, 15] Operation: 26-11=15 Exploring Operation: 41-11=30, Resulting Numbers: [26, 99, 30] Generated Node #0,1: 95:[26, 99, 30] Operation: 41-11=30 Exploring Operation: 99-11=88, Resulting Numbers: [26, 41, 88] Generated Node #0,2: 95:[26, 41, 88] Operation: 99-11=88 Exploring Operation: 99/11=9, Resulting Numbers: [26, 41, 9] Generated Node #0,3: 95:[26, 41, 9] Operation: 99/11=9 Exploring Operation: 41-26=15, Resulting Numbers: [11, 99, 15] Generated Node #0,4: 95:[11, 99, 15] Operation: 41-26=15 Start Sub Search at level 1: Moving to Node #0,4 Current State: 95:[11, 99, 15], Operations: ['41-26=15'] Exploring Operation: 11+15=26, Resulting Numbers: [99, 26] Generated Node #0,4,0: 95:[99, 26] Operation: 11+15=26 Exploring Operation: 99-15=84, Resulting Numbers: [11, 84] Generated Node #0,4,1: 95:[11, 84] Operation: 99-15=84 Exploring Operation: 15-11=4, Resulting Numbers: [99, 4] Generated Node #0,4,2: 95:[99, 4] Operation: 15-11=4 Exploring Operation: 99/11=9, Resulting Numbers: [15, 9] Generated Node #0,4,3: 95:[15, 9] Operation: 99/11=9 Exploring Operation: 99-11=88, Resulting Numbers: [15, 88] Generated Node #0,4,4: 95:[15, 88] Operation: 99-11=88 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 95:[99, 4], Operations: ['41-26=15', '15-11=4'] Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[26, 11, 41, 99], Operations: [] Exploring Operation: 41-26=15, Resulting Numbers: [11, 99, 15] Generated Node #0,4: 95:[11, 99, 15] Operation: 41-26=15 Moving to Node #0,4 Current State: 95:[11, 99, 15], Operations: ['41-26=15'] Exploring Operation: 15-11=4, Resulting Numbers: [99, 4] Generated Node #0,4,2: 95:[99, 4] Operation: 15-11=4 Moving to Node #0,4,2 Current State: 95:[99, 4], Operations: ['41-26=15', '15-11=4'] Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 97, 73, 2, 19 ]
83
[ "97-19=78", "2*78=156", "156-73=83" ]
Current State: 83:[97, 73, 2, 19], Operations: [] Exploring Operation: 97-19=78, Resulting Numbers: [73, 2, 78] Generated Node #2: [73, 2, 78] from Operation: 97-19=78 Current State: 83:[73, 2, 78], Operations: ['97-19=78'] Exploring Operation: 2*78=156, Resulting Numbers: [73, 156] Generated Node #3: [73, 156] from Operation: 2*78=156 Current State: 83:[73, 156], Operations: ['97-19=78', '2*78=156'] Exploring Operation: 156-73=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[97, 73, 2, 19], Operations: [] Exploring Operation: 2*19=38, Resulting Numbers: [97, 73, 38] Generated Node #0,0: 83:[97, 73, 38] Operation: 2*19=38 Exploring Operation: 97-2=95, Resulting Numbers: [73, 19, 95] Generated Node #0,1: 83:[73, 19, 95] Operation: 97-2=95 Moving to Node #0,0 Current State: 83:[97, 73, 38], Operations: ['2*19=38'] Exploring Operation: 97-38=59, Resulting Numbers: [73, 59] Generated Node #0,0,0: 83:[73, 59] Operation: 97-38=59 Exploring Operation: 73+38=111, Resulting Numbers: [97, 111] Generated Node #0,0,1: 83:[97, 111] Operation: 73+38=111 Moving to Node #0,1 Current State: 83:[73, 19, 95], Operations: ['97-2=95'] Exploring Operation: 95-19=76, Resulting Numbers: [73, 76] Generated Node #0,1,0: 83:[73, 76] Operation: 95-19=76 Exploring Operation: 73+19=92, Resulting Numbers: [95, 92] Generated Node #0,1,1: 83:[95, 92] Operation: 73+19=92 Moving to Node #0,1,0 Current State: 83:[73, 76], Operations: ['97-2=95', '95-19=76'] Exploring Operation: 76-73=3, Resulting Numbers: [3] 3,83 unequal: No Solution Exploring Operation: 73+76=149, Resulting Numbers: [149] 149,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[95, 92], Operations: ['97-2=95', '73+19=92'] Exploring Operation: 95-92=3, Resulting Numbers: [3] 3,83 unequal: No Solution Exploring Operation: 95+92=187, Resulting Numbers: [187] 187,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[73, 59], Operations: ['2*19=38', '97-38=59'] Exploring Operation: 73-59=14, Resulting Numbers: [14] 14,83 unequal: No Solution Exploring Operation: 73+59=132, Resulting Numbers: [132] 132,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[97, 111], Operations: ['2*19=38', '73+38=111'] Exploring Operation: 97+111=208, Resulting Numbers: [208] 208,83 unequal: No Solution Exploring Operation: 111-97=14, Resulting Numbers: [14] 14,83 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 24, 30, 65, 6 ]
37
[ "30/6=5", "65/5=13", "24+13=37" ]
Current State: 37:[24, 30, 65, 6], Operations: [] Exploring Operation: 30/6=5, Resulting Numbers: [24, 65, 5] Generated Node #2: [24, 65, 5] from Operation: 30/6=5 Current State: 37:[24, 65, 5], Operations: ['30/6=5'] Exploring Operation: 65/5=13, Resulting Numbers: [24, 13] Generated Node #3: [24, 13] from Operation: 65/5=13 Current State: 37:[24, 13], Operations: ['30/6=5', '65/5=13'] Exploring Operation: 24+13=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[24, 30, 65, 6], Operations: [] Exploring Operation: 65-24=41, Resulting Numbers: [30, 6, 41] Generated Node #0,0: 37:[30, 6, 41] Operation: 65-24=41 Exploring Operation: 24+6=30, Resulting Numbers: [30, 65, 30] Generated Node #0,1: 37:[30, 65, 30] Operation: 24+6=30 Exploring Operation: 30+6=36, Resulting Numbers: [24, 65, 36] Generated Node #0,2: 37:[24, 65, 36] Operation: 30+6=36 Moving to Node #0,0 Current State: 37:[30, 6, 41], Operations: ['65-24=41'] Exploring Operation: 30+6=36, Resulting Numbers: [41, 36] Generated Node #0,0,0: 37:[41, 36] Operation: 30+6=36 Exploring Operation: 30-6=24, Resulting Numbers: [41, 24] Generated Node #0,0,1: 37:[41, 24] Operation: 30-6=24 Exploring Operation: 41-6=35, Resulting Numbers: [30, 35] Generated Node #0,0,2: 37:[30, 35] Operation: 41-6=35 Moving to Node #0,1 Current State: 37:[30, 65, 30], Operations: ['24+6=30'] Exploring Operation: 65-30=35, Resulting Numbers: [30, 35] Generated Node #0,1,0: 37:[30, 35] Operation: 65-30=35 Exploring Operation: 65-30=35, Resulting Numbers: [30, 35] Generated Node #0,1,1: 37:[30, 35] Operation: 65-30=35 Exploring Operation: 30+30=60, Resulting Numbers: [65, 60] Generated Node #0,1,2: 37:[65, 60] Operation: 30+30=60 Moving to Node #0,2 Current State: 37:[24, 65, 36], Operations: ['30+6=36'] Exploring Operation: 24+36=60, Resulting Numbers: [65, 60] Generated Node #0,2,0: 37:[65, 60] Operation: 24+36=60 Exploring Operation: 65-24=41, Resulting Numbers: [36, 41] Generated Node #0,2,1: 37:[36, 41] Operation: 65-24=41 Exploring Operation: 65-36=29, Resulting Numbers: [24, 29] Generated Node #0,2,2: 37:[24, 29] Operation: 65-36=29 Moving to Node #0,0,0 Current State: 37:[41, 36], Operations: ['65-24=41', '30+6=36'] Exploring Operation: 41+36=77, Resulting Numbers: [77] 77,37 unequal: No Solution Exploring Operation: 41*36=1476, Resulting Numbers: [1476] 1476,37 unequal: No Solution Exploring Operation: 41-36=5, Resulting Numbers: [5] 5,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[36, 41], Operations: ['30+6=36', '65-24=41'] Exploring Operation: 36*41=1476, Resulting Numbers: [1476] 1476,37 unequal: No Solution Exploring Operation: 41-36=5, Resulting Numbers: [5] 5,37 unequal: No Solution Exploring Operation: 36+41=77, Resulting Numbers: [77] 77,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[30, 35], Operations: ['65-24=41', '41-6=35'] Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,37 unequal: No Solution Exploring Operation: 30+35=65, Resulting Numbers: [65] 65,37 unequal: No Solution Exploring Operation: 30*35=1050, Resulting Numbers: [1050] 1050,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[30, 35], Operations: ['24+6=30', '65-30=35'] Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,37 unequal: No Solution Exploring Operation: 30*35=1050, Resulting Numbers: [1050] 1050,37 unequal: No Solution Exploring Operation: 30+35=65, Resulting Numbers: [65] 65,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[30, 35], Operations: ['24+6=30', '65-30=35'] Exploring Operation: 30*35=1050, Resulting Numbers: [1050] 1050,37 unequal: No Solution Exploring Operation: 30+35=65, Resulting Numbers: [65] 65,37 unequal: No Solution Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[41, 24], Operations: ['65-24=41', '30-6=24'] Exploring Operation: 41*24=984, Resulting Numbers: [984] 984,37 unequal: No Solution Exploring Operation: 41-24=17, Resulting Numbers: [17] 17,37 unequal: No Solution Exploring Operation: 41+24=65, Resulting Numbers: [65] 65,37 unequal: No Solution Moving to Node #0,2,2 Current State: 37:[24, 29], Operations: ['30+6=36', '65-36=29'] Exploring Operation: 24+29=53, Resulting Numbers: [53] 53,37 unequal: No Solution Exploring Operation: 24*29=696, Resulting Numbers: [696] 696,37 unequal: No Solution Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,37 unequal: No Solution Moving to Node #0,2,0 Current State: 37:[65, 60], Operations: ['30+6=36', '24+36=60'] Exploring Operation: 65*60=3900, Resulting Numbers: [3900] 3900,37 unequal: No Solution Exploring Operation: 65+60=125, Resulting Numbers: [125] 125,37 unequal: No Solution Exploring Operation: 65-60=5, Resulting Numbers: [5] 5,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[65, 60], Operations: ['24+6=30', '30+30=60'] Exploring Operation: 65-60=5, Resulting Numbers: [5] 5,37 unequal: No Solution Exploring Operation: 65*60=3900, Resulting Numbers: [3900] 3900,37 unequal: No Solution Exploring Operation: 65+60=125, Resulting Numbers: [125] 125,37 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 44, 40, 61, 72 ]
44
[ "44-40=4", "72-61=11", "4*11=44" ]
Current State: 44:[44, 40, 61, 72], Operations: [] Exploring Operation: 44-40=4, Resulting Numbers: [61, 72, 4] Generated Node #2: [61, 72, 4] from Operation: 44-40=4 Current State: 44:[61, 72, 4], Operations: ['44-40=4'] Exploring Operation: 72-61=11, Resulting Numbers: [4, 11] Generated Node #3: [4, 11] from Operation: 72-61=11 Current State: 44:[4, 11], Operations: ['44-40=4', '72-61=11'] Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[44, 40, 61, 72], Operations: [] Exploring Operation: 72-44=28, Resulting Numbers: [40, 61, 28] Generated Node #0,0: 44:[40, 61, 28] Operation: 72-44=28 Exploring Operation: 72-61=11, Resulting Numbers: [44, 40, 11] Generated Node #0,1: 44:[44, 40, 11] Operation: 72-61=11 Moving to Node #0,1 Current State: 44:[44, 40, 11], Operations: ['72-61=11'] Exploring Operation: 44-40=4, Resulting Numbers: [11, 4] Generated Node #0,1,0: 44:[11, 4] Operation: 44-40=4 Exploring Operation: 44/11=4, Resulting Numbers: [40, 4] Generated Node #0,1,1: 44:[40, 4] Operation: 44/11=4 Moving to Node #0,0 Current State: 44:[40, 61, 28], Operations: ['72-44=28'] Exploring Operation: 61-40=21, Resulting Numbers: [28, 21] Generated Node #0,0,0: 44:[28, 21] Operation: 61-40=21 Exploring Operation: 61-28=33, Resulting Numbers: [40, 33] Generated Node #0,0,1: 44:[40, 33] Operation: 61-28=33 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[28, 21], Operations: ['72-44=28', '61-40=21'] Exploring Operation: 28+21=49, Resulting Numbers: [49] 49,44 unequal: No Solution Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 44:[40, 33], Operations: ['72-44=28', '61-28=33'] Exploring Operation: 40+33=73, Resulting Numbers: [73] 73,44 unequal: No Solution Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,44 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: 44:[11, 4], Operations: ['72-61=11', '44-40=4'] Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,44 unequal: No Solution Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[44, 40, 61, 72], Operations: [] Exploring Operation: 72-61=11, Resulting Numbers: [44, 40, 11] Generated Node #0,1: 44:[44, 40, 11] Operation: 72-61=11 Moving to Node #0,1 Current State: 44:[44, 40, 11], Operations: ['72-61=11'] Exploring Operation: 44-40=4, Resulting Numbers: [11, 4] Generated Node #0,1,0: 44:[11, 4] Operation: 44-40=4 Moving to Node #0,1,0 Current State: 44:[11, 4], Operations: ['72-61=11', '44-40=4'] Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 46, 34, 46, 78 ]
78
[ "46-46=0", "34*0=0", "78+0=78" ]
Current State: 78:[46, 34, 46, 78], Operations: [] Exploring Operation: 46-46=0, Resulting Numbers: [34, 78, 0] Generated Node #2: [34, 78, 0] from Operation: 46-46=0 Current State: 78:[34, 78, 0], Operations: ['46-46=0'] Exploring Operation: 34*0=0, Resulting Numbers: [78, 0] Generated Node #3: [78, 0] from Operation: 34*0=0 Current State: 78:[78, 0], Operations: ['46-46=0', '34*0=0'] Exploring Operation: 78+0=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[46, 34, 46, 78], Operations: [] Exploring Operation: 46-46=0, Resulting Numbers: [34, 78, 0] Generated Node #0,0: 78:[34, 78, 0] Operation: 46-46=0 Exploring Operation: 46-34=12, Resulting Numbers: [46, 78, 12] Generated Node #0,1: 78:[46, 78, 12] Operation: 46-34=12 Exploring Operation: 46/46=1, Resulting Numbers: [34, 78, 1] Generated Node #0,2: 78:[34, 78, 1] Operation: 46/46=1 Exploring Operation: 46-34=12, Resulting Numbers: [46, 78, 12] Generated Node #0,3: 78:[46, 78, 12] Operation: 46-34=12 Moving to Node #0,2 Current State: 78:[34, 78, 1], Operations: ['46/46=1'] Exploring Operation: 34/1=34, Resulting Numbers: [78, 34] Generated Node #0,2,0: 78:[78, 34] Operation: 34/1=34 Exploring Operation: 34*1=34, Resulting Numbers: [78, 34] Generated Node #0,2,1: 78:[78, 34] Operation: 34*1=34 Exploring Operation: 78*1=78, Resulting Numbers: [34, 78] Generated Node #0,2,2: 78:[34, 78] Operation: 78*1=78 Exploring Operation: 34+1=35, Resulting Numbers: [78, 35] Generated Node #0,2,3: 78:[78, 35] Operation: 34+1=35 Moving to Node #0,0 Current State: 78:[34, 78, 0], Operations: ['46-46=0'] Exploring Operation: 34*0=0, Resulting Numbers: [78, 0] Generated Node #0,0,0: 78:[78, 0] Operation: 34*0=0 Exploring Operation: 34-0=34, Resulting Numbers: [78, 34] Generated Node #0,0,1: 78:[78, 34] Operation: 34-0=34 Exploring Operation: 78+0=78, Resulting Numbers: [34, 78] Generated Node #0,0,2: 78:[34, 78] Operation: 78+0=78 Exploring Operation: 34+0=34, Resulting Numbers: [78, 34] Generated Node #0,0,3: 78:[78, 34] Operation: 34+0=34 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[78, 0], Operations: ['46-46=0', '34*0=0'] Exploring Operation: 78-0=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[46, 34, 46, 78], Operations: [] Exploring Operation: 46-46=0, Resulting Numbers: [34, 78, 0] Generated Node #0,0: 78:[34, 78, 0] Operation: 46-46=0 Moving to Node #0,0 Current State: 78:[34, 78, 0], Operations: ['46-46=0'] Exploring Operation: 34*0=0, Resulting Numbers: [78, 0] Generated Node #0,0,0: 78:[78, 0] Operation: 34*0=0 Moving to Node #0,0,0 Current State: 78:[78, 0], Operations: ['46-46=0', '34*0=0'] Exploring Operation: 78-0=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 81, 74, 61, 87 ]
78
[ "87-81=6", "74-61=13", "6*13=78" ]
Current State: 78:[81, 74, 61, 87], Operations: [] Exploring Operation: 87-81=6, Resulting Numbers: [74, 61, 6] Generated Node #2: [74, 61, 6] from Operation: 87-81=6 Current State: 78:[74, 61, 6], Operations: ['87-81=6'] Exploring Operation: 74-61=13, Resulting Numbers: [6, 13] Generated Node #3: [6, 13] from Operation: 74-61=13 Current State: 78:[6, 13], Operations: ['87-81=6', '74-61=13'] Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[81, 74, 61, 87], Operations: [] Exploring Operation: 81-61=20, Resulting Numbers: [74, 87, 20] Generated Node #0,0: 78:[74, 87, 20] Operation: 81-61=20 Exploring Operation: 87-81=6, Resulting Numbers: [74, 61, 6] Generated Node #0,1: 78:[74, 61, 6] Operation: 87-81=6 Exploring Operation: 87-74=13, Resulting Numbers: [81, 61, 13] Generated Node #0,2: 78:[81, 61, 13] Operation: 87-74=13 Exploring Operation: 87-61=26, Resulting Numbers: [81, 74, 26] Generated Node #0,3: 78:[81, 74, 26] Operation: 87-61=26 Exploring Operation: 74-61=13, Resulting Numbers: [81, 87, 13] Generated Node #0,4: 78:[81, 87, 13] Operation: 74-61=13 Start Sub Search at level 1: Moving to Node #0,3 Current State: 78:[81, 74, 26], Operations: ['87-61=26'] Exploring Operation: 81+26=107, Resulting Numbers: [74, 107] Generated Node #0,3,0: 78:[74, 107] Operation: 81+26=107 Exploring Operation: 81-26=55, Resulting Numbers: [74, 55] Generated Node #0,3,1: 78:[74, 55] Operation: 81-26=55 Exploring Operation: 81-74=7, Resulting Numbers: [26, 7] Generated Node #0,3,2: 78:[26, 7] Operation: 81-74=7 Exploring Operation: 74+26=100, Resulting Numbers: [81, 100] Generated Node #0,3,3: 78:[81, 100] Operation: 74+26=100 Exploring Operation: 74-26=48, Resulting Numbers: [81, 48] Generated Node #0,3,4: 78:[81, 48] Operation: 74-26=48 Moving to Node #0,3,2 Current State: 78:[26, 7], Operations: ['87-61=26', '81-74=7'] Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,78 unequal: No Solution Exploring Operation: 26+7=33, Resulting Numbers: [33] 33,78 unequal: No Solution Exploring Operation: 26*7=182, Resulting Numbers: [182] 182,78 unequal: No Solution Moving to Node #0,3,4 Current State: 78:[81, 48], Operations: ['87-61=26', '74-26=48'] Exploring Operation: 81-48=33, Resulting Numbers: [33] 33,78 unequal: No Solution Exploring Operation: 81+48=129, Resulting Numbers: [129] 129,78 unequal: No Solution Exploring Operation: 81*48=3888, Resulting Numbers: [3888] 3888,78 unequal: No Solution Moving to Node #0,3,1 Current State: 78:[74, 55], Operations: ['87-61=26', '81-26=55'] Exploring Operation: 74-55=19, Resulting Numbers: [19] 19,78 unequal: No Solution Exploring Operation: 74*55=4070, Resulting Numbers: [4070] 4070,78 unequal: No Solution Exploring Operation: 74+55=129, Resulting Numbers: [129] 129,78 unequal: No Solution Moving to Node #0,3,3 Current State: 78:[81, 100], Operations: ['87-61=26', '74+26=100'] Exploring Operation: 81*100=8100, Resulting Numbers: [8100] 8100,78 unequal: No Solution Exploring Operation: 81+100=181, Resulting Numbers: [181] 181,78 unequal: No Solution Exploring Operation: 100-81=19, Resulting Numbers: [19] 19,78 unequal: No Solution Moving to Node #0,3,0 Current State: 78:[74, 107], Operations: ['87-61=26', '81+26=107'] Exploring Operation: 74+107=181, Resulting Numbers: [181] 181,78 unequal: No Solution Exploring Operation: 107-74=33, Resulting Numbers: [33] 33,78 unequal: No Solution Exploring Operation: 74*107=7918, Resulting Numbers: [7918] 7918,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 78:[81, 87, 13], Operations: ['74-61=13'] Exploring Operation: 81-13=68, Resulting Numbers: [87, 68] Generated Node #0,4,0: 78:[87, 68] Operation: 81-13=68 Exploring Operation: 81+13=94, Resulting Numbers: [87, 94] Generated Node #0,4,1: 78:[87, 94] Operation: 81+13=94 Exploring Operation: 87-81=6, Resulting Numbers: [13, 6] Generated Node #0,4,2: 78:[13, 6] Operation: 87-81=6 Exploring Operation: 87-13=74, Resulting Numbers: [81, 74] Generated Node #0,4,3: 78:[81, 74] Operation: 87-13=74 Exploring Operation: 87+13=100, Resulting Numbers: [81, 100] Generated Node #0,4,4: 78:[81, 100] Operation: 87+13=100 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 78:[13, 6], Operations: ['74-61=13', '87-81=6'] Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,78 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[81, 74, 61, 87], Operations: [] Exploring Operation: 74-61=13, Resulting Numbers: [81, 87, 13] Generated Node #0,4: 78:[81, 87, 13] Operation: 74-61=13 Moving to Node #0,4 Current State: 78:[81, 87, 13], Operations: ['74-61=13'] Exploring Operation: 87-81=6, Resulting Numbers: [13, 6] Generated Node #0,4,2: 78:[13, 6] Operation: 87-81=6 Moving to Node #0,4,2 Current State: 78:[13, 6], Operations: ['74-61=13', '87-81=6'] Exploring Operation: 13*6=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 91, 75, 57, 18 ]
59
[ "91-75=16", "57+18=75", "75-16=59" ]
Current State: 59:[91, 75, 57, 18], Operations: [] Exploring Operation: 91-75=16, Resulting Numbers: [57, 18, 16] Generated Node #2: [57, 18, 16] from Operation: 91-75=16 Current State: 59:[57, 18, 16], Operations: ['91-75=16'] Exploring Operation: 57+18=75, Resulting Numbers: [16, 75] Generated Node #3: [16, 75] from Operation: 57+18=75 Current State: 59:[16, 75], Operations: ['91-75=16', '57+18=75'] Exploring Operation: 75-16=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[91, 75, 57, 18], Operations: [] Exploring Operation: 91-18=73, Resulting Numbers: [75, 57, 73] Generated Node #0,0: 59:[75, 57, 73] Operation: 91-18=73 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[75, 57, 73], Operations: ['91-18=73'] Exploring Operation: 75-57=18, Resulting Numbers: [73, 18] Generated Node #0,0,0: 59:[73, 18] Operation: 75-57=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 59:[73, 18], Operations: ['91-18=73', '75-57=18'] Exploring Operation: 73-18=55, Resulting Numbers: [55] 55,59 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
[ 2, 13, 50, 18 ]
43
[ "13-2=11", "50-18=32", "11+32=43" ]
Current State: 43:[2, 13, 50, 18], Operations: [] Exploring Operation: 13-2=11, Resulting Numbers: [50, 18, 11] Generated Node #2: [50, 18, 11] from Operation: 13-2=11 Current State: 43:[50, 18, 11], Operations: ['13-2=11'] Exploring Operation: 50-18=32, Resulting Numbers: [11, 32] Generated Node #3: [11, 32] from Operation: 50-18=32 Current State: 43:[11, 32], Operations: ['13-2=11', '50-18=32'] Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[2, 13, 50, 18], Operations: [] Exploring Operation: 2*13=26, Resulting Numbers: [50, 18, 26] Generated Node #0,0: 43:[50, 18, 26] Operation: 2*13=26 Exploring Operation: 2*18=36, Resulting Numbers: [13, 50, 36] Generated Node #0,1: 43:[13, 50, 36] Operation: 2*18=36 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[13, 50, 36], Operations: ['2*18=36'] Exploring Operation: 13+36=49, Resulting Numbers: [50, 49] Generated Node #0,1,0: 43:[50, 49] Operation: 13+36=49 Exploring Operation: 50-13=37, Resulting Numbers: [36, 37] Generated Node #0,1,1: 43:[36, 37] Operation: 50-13=37 Moving to Node #0,1,0 Current State: 43:[50, 49], Operations: ['2*18=36', '13+36=49'] Exploring Operation: 50+49=99, Resulting Numbers: [99] 99,43 unequal: No Solution Exploring Operation: 50-49=1, Resulting Numbers: [1] 1,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[36, 37], Operations: ['2*18=36', '50-13=37'] Exploring Operation: 36+37=73, Resulting Numbers: [73] 73,43 unequal: No Solution Exploring Operation: 37-36=1, Resulting Numbers: [1] 1,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[50, 18, 26], Operations: ['2*13=26'] Exploring Operation: 50-18=32, Resulting Numbers: [26, 32] Generated Node #0,0,0: 43:[26, 32] Operation: 50-18=32 Exploring Operation: 18+26=44, Resulting Numbers: [50, 44] Generated Node #0,0,1: 43:[50, 44] Operation: 18+26=44 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[50, 44], Operations: ['2*13=26', '18+26=44'] Exploring Operation: 50+44=94, Resulting Numbers: [94] 94,43 unequal: No Solution Exploring Operation: 50-44=6, Resulting Numbers: [6] 6,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[26, 32], Operations: ['2*13=26', '50-18=32'] Exploring Operation: 32-26=6, Resulting Numbers: [6] 6,43 unequal: No Solution Exploring Operation: 26+32=58, Resulting Numbers: [58] 58,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 13, 80, 97, 80 ]
83
[ "97-13=84", "80/80=1", "84-1=83" ]
Current State: 83:[13, 80, 97, 80], Operations: [] Exploring Operation: 97-13=84, Resulting Numbers: [80, 80, 84] Generated Node #2: [80, 80, 84] from Operation: 97-13=84 Current State: 83:[80, 80, 84], Operations: ['97-13=84'] Exploring Operation: 80/80=1, Resulting Numbers: [84, 1] Generated Node #3: [84, 1] from Operation: 80/80=1 Current State: 83:[84, 1], Operations: ['97-13=84', '80/80=1'] Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[13, 80, 97, 80], Operations: [] Exploring Operation: 13+80=93, Resulting Numbers: [97, 80, 93] Generated Node #0,0: 83:[97, 80, 93] Operation: 13+80=93 Exploring Operation: 97-13=84, Resulting Numbers: [80, 80, 84] Generated Node #0,1: 83:[80, 80, 84] Operation: 97-13=84 Exploring Operation: 13+80=93, Resulting Numbers: [80, 97, 93] Generated Node #0,2: 83:[80, 97, 93] Operation: 13+80=93 Exploring Operation: 80-13=67, Resulting Numbers: [97, 80, 67] Generated Node #0,3: 83:[97, 80, 67] Operation: 80-13=67 Moving to Node #0,1 Current State: 83:[80, 80, 84], Operations: ['97-13=84'] Exploring Operation: 84-80=4, Resulting Numbers: [80, 4] Generated Node #0,1,0: 83:[80, 4] Operation: 84-80=4 Exploring Operation: 84-80=4, Resulting Numbers: [80, 4] Generated Node #0,1,1: 83:[80, 4] Operation: 84-80=4 Exploring Operation: 80+80=160, Resulting Numbers: [84, 160] Generated Node #0,1,2: 83:[84, 160] Operation: 80+80=160 Exploring Operation: 80/80=1, Resulting Numbers: [84, 1] Generated Node #0,1,3: 83:[84, 1] Operation: 80/80=1 Moving to Node #0,2 Current State: 83:[80, 97, 93], Operations: ['13+80=93'] Exploring Operation: 93-80=13, Resulting Numbers: [97, 13] Generated Node #0,2,0: 83:[97, 13] Operation: 93-80=13 Exploring Operation: 97-80=17, Resulting Numbers: [93, 17] Generated Node #0,2,1: 83:[93, 17] Operation: 97-80=17 Exploring Operation: 97-93=4, Resulting Numbers: [80, 4] Generated Node #0,2,2: 83:[80, 4] Operation: 97-93=4 Exploring Operation: 80+97=177, Resulting Numbers: [93, 177] Generated Node #0,2,3: 83:[93, 177] Operation: 80+97=177 Moving to Node #0,0 Current State: 83:[97, 80, 93], Operations: ['13+80=93'] Exploring Operation: 93-80=13, Resulting Numbers: [97, 13] Generated Node #0,0,0: 83:[97, 13] Operation: 93-80=13 Exploring Operation: 97+80=177, Resulting Numbers: [93, 177] Generated Node #0,0,1: 83:[93, 177] Operation: 97+80=177 Exploring Operation: 97-80=17, Resulting Numbers: [93, 17] Generated Node #0,0,2: 83:[93, 17] Operation: 97-80=17 Exploring Operation: 97-93=4, Resulting Numbers: [80, 4] Generated Node #0,0,3: 83:[80, 4] Operation: 97-93=4 Moving to Node #0,3 Current State: 83:[97, 80, 67], Operations: ['80-13=67'] Exploring Operation: 97-80=17, Resulting Numbers: [67, 17] Generated Node #0,3,0: 83:[67, 17] Operation: 97-80=17 Exploring Operation: 80+67=147, Resulting Numbers: [97, 147] Generated Node #0,3,1: 83:[97, 147] Operation: 80+67=147 Exploring Operation: 97+67=164, Resulting Numbers: [80, 164] Generated Node #0,3,2: 83:[80, 164] Operation: 97+67=164 Exploring Operation: 97-67=30, Resulting Numbers: [80, 30] Generated Node #0,3,3: 83:[80, 30] Operation: 97-67=30 Moving to Node #0,3,3 Current State: 83:[80, 30], Operations: ['80-13=67', '97-67=30'] Exploring Operation: 80*30=2400, Resulting Numbers: [2400] 2400,83 unequal: No Solution Exploring Operation: 80+30=110, Resulting Numbers: [110] 110,83 unequal: No Solution Exploring Operation: 80-30=50, Resulting Numbers: [50] 50,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[93, 17], Operations: ['13+80=93', '97-80=17'] Exploring Operation: 93+17=110, Resulting Numbers: [110] 110,83 unequal: No Solution Exploring Operation: 93-17=76, Resulting Numbers: [76] 76,83 unequal: No Solution Exploring Operation: 93*17=1581, Resulting Numbers: [1581] 1581,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[93, 17], Operations: ['13+80=93', '97-80=17'] Exploring Operation: 93+17=110, Resulting Numbers: [110] 110,83 unequal: No Solution Exploring Operation: 93-17=76, Resulting Numbers: [76] 76,83 unequal: No Solution Exploring Operation: 93*17=1581, Resulting Numbers: [1581] 1581,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[97, 147], Operations: ['80-13=67', '80+67=147'] Exploring Operation: 97*147=14259, Resulting Numbers: [14259] 14259,83 unequal: No Solution Exploring Operation: 97+147=244, Resulting Numbers: [244] 244,83 unequal: No Solution Exploring Operation: 147-97=50, Resulting Numbers: [50] 50,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[84, 160], Operations: ['97-13=84', '80+80=160'] Exploring Operation: 84+160=244, Resulting Numbers: [244] 244,83 unequal: No Solution Exploring Operation: 160-84=76, Resulting Numbers: [76] 76,83 unequal: No Solution Exploring Operation: 84*160=13440, Resulting Numbers: [13440] 13440,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[67, 17], Operations: ['80-13=67', '97-80=17'] Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,83 unequal: No Solution Exploring Operation: 67+17=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 67*17=1139, Resulting Numbers: [1139] 1139,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[80, 4], Operations: ['97-13=84', '84-80=4'] Exploring Operation: 80+4=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 80*4=320, Resulting Numbers: [320] 320,83 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,83 unequal: No Solution Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[80, 4], Operations: ['97-13=84', '84-80=4'] Exploring Operation: 80*4=320, Resulting Numbers: [320] 320,83 unequal: No Solution Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,83 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,83 unequal: No Solution Exploring Operation: 80+4=84, Resulting Numbers: [84] 84,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[80, 4], Operations: ['13+80=93', '97-93=4'] Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,83 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,83 unequal: No Solution Exploring Operation: 80+4=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 80*4=320, Resulting Numbers: [320] 320,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[80, 4], Operations: ['13+80=93', '97-93=4'] Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,83 unequal: No Solution Exploring Operation: 80+4=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,83 unequal: No Solution Exploring Operation: 80*4=320, Resulting Numbers: [320] 320,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[84, 1], Operations: ['97-13=84', '80/80=1'] Exploring Operation: 84*1=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[13, 80, 97, 80], Operations: [] Exploring Operation: 97-13=84, Resulting Numbers: [80, 80, 84] Generated Node #0,1: 83:[80, 80, 84] Operation: 97-13=84 Moving to Node #0,1 Current State: 83:[80, 80, 84], Operations: ['97-13=84'] Exploring Operation: 80/80=1, Resulting Numbers: [84, 1] Generated Node #0,1,3: 83:[84, 1] Operation: 80/80=1 Moving to Node #0,1,3 Current State: 83:[84, 1], Operations: ['97-13=84', '80/80=1'] Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
0.947917
hs_4
sum_heuristic
[ 40, 92, 10, 37 ]
56
[ "40/10=4", "37*4=148", "148-92=56" ]
Current State: 56:[40, 92, 10, 37], Operations: [] Exploring Operation: 40/10=4, Resulting Numbers: [92, 37, 4] Generated Node #2: [92, 37, 4] from Operation: 40/10=4 Current State: 56:[92, 37, 4], Operations: ['40/10=4'] Exploring Operation: 37*4=148, Resulting Numbers: [92, 148] Generated Node #3: [92, 148] from Operation: 37*4=148 Current State: 56:[92, 148], Operations: ['40/10=4', '37*4=148'] Exploring Operation: 148-92=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[40, 92, 10, 37], Operations: [] Exploring Operation: 92-40=52, Resulting Numbers: [10, 37, 52] Generated Node #0,0: 56:[10, 37, 52] Operation: 92-40=52 Moving to Node #0,0 Current State: 56:[10, 37, 52], Operations: ['92-40=52'] Exploring Operation: 52-37=15, Resulting Numbers: [10, 15] Generated Node #0,0,0: 56:[10, 15] Operation: 52-37=15 Moving to Node #0,0,0 Current State: 56:[10, 15], Operations: ['92-40=52', '52-37=15'] Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,56 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 45, 25, 52, 37 ]
55
[ "45+25=70", "52-37=15", "70-15=55" ]
Current State: 55:[45, 25, 52, 37], Operations: [] Exploring Operation: 45+25=70, Resulting Numbers: [52, 37, 70] Generated Node #2: [52, 37, 70] from Operation: 45+25=70 Current State: 55:[52, 37, 70], Operations: ['45+25=70'] Exploring Operation: 52-37=15, Resulting Numbers: [70, 15] Generated Node #3: [70, 15] from Operation: 52-37=15 Current State: 55:[70, 15], Operations: ['45+25=70', '52-37=15'] Exploring Operation: 70-15=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[45, 25, 52, 37], Operations: [] Exploring Operation: 37-25=12, Resulting Numbers: [45, 52, 12] Generated Node #0,0: 55:[45, 52, 12] Operation: 37-25=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[45, 52, 12], Operations: ['37-25=12'] Exploring Operation: 52-45=7, Resulting Numbers: [12, 7] Generated Node #0,0,0: 55:[12, 7] Operation: 52-45=7 Moving to Node #0,0,0 Current State: 55:[12, 7], Operations: ['37-25=12', '52-45=7'] Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 23, 15, 54, 80 ]
34
[ "23-15=8", "80-54=26", "8+26=34" ]
Current State: 34:[23, 15, 54, 80], Operations: [] Exploring Operation: 23-15=8, Resulting Numbers: [54, 80, 8] Generated Node #2: [54, 80, 8] from Operation: 23-15=8 Current State: 34:[54, 80, 8], Operations: ['23-15=8'] Exploring Operation: 80-54=26, Resulting Numbers: [8, 26] Generated Node #3: [8, 26] from Operation: 80-54=26 Current State: 34:[8, 26], Operations: ['23-15=8', '80-54=26'] Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[23, 15, 54, 80], Operations: [] Exploring Operation: 80-23=57, Resulting Numbers: [15, 54, 57] Generated Node #0,0: 34:[15, 54, 57] Operation: 80-23=57 Exploring Operation: 54-15=39, Resulting Numbers: [23, 80, 39] Generated Node #0,1: 34:[23, 80, 39] Operation: 54-15=39 Exploring Operation: 80-54=26, Resulting Numbers: [23, 15, 26] Generated Node #0,2: 34:[23, 15, 26] Operation: 80-54=26 Exploring Operation: 80-15=65, Resulting Numbers: [23, 54, 65] Generated Node #0,3: 34:[23, 54, 65] Operation: 80-15=65 Exploring Operation: 54-23=31, Resulting Numbers: [15, 80, 31] Generated Node #0,4: 34:[15, 80, 31] Operation: 54-23=31 Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[23, 15, 26], Operations: ['80-54=26'] Exploring Operation: 26-15=11, Resulting Numbers: [23, 11] Generated Node #0,2,0: 34:[23, 11] Operation: 26-15=11 Exploring Operation: 26-23=3, Resulting Numbers: [15, 3] Generated Node #0,2,1: 34:[15, 3] Operation: 26-23=3 Exploring Operation: 23+15=38, Resulting Numbers: [26, 38] Generated Node #0,2,2: 34:[26, 38] Operation: 23+15=38 Exploring Operation: 23-15=8, Resulting Numbers: [26, 8] Generated Node #0,2,3: 34:[26, 8] Operation: 23-15=8 Exploring Operation: 15+26=41, Resulting Numbers: [23, 41] Generated Node #0,2,4: 34:[23, 41] Operation: 15+26=41 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 34:[15, 3], Operations: ['80-54=26', '26-23=3'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,34 unequal: No Solution Exploring Operation: 15+3=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 34:[23, 11], Operations: ['80-54=26', '26-15=11'] Exploring Operation: 23*11=253, Resulting Numbers: [253] 253,34 unequal: No Solution Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[23, 15, 54, 80], Operations: [] Exploring Operation: 80-54=26, Resulting Numbers: [23, 15, 26] Generated Node #0,2: 34:[23, 15, 26] Operation: 80-54=26 Moving to Node #0,2 Current State: 34:[23, 15, 26], Operations: ['80-54=26'] Exploring Operation: 26-15=11, Resulting Numbers: [23, 11] Generated Node #0,2,0: 34:[23, 11] Operation: 26-15=11 Moving to Node #0,2,0 Current State: 34:[23, 11], Operations: ['80-54=26', '26-15=11'] Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 69, 60, 3, 66 ]
60
[ "69+60=129", "3+66=69", "129-69=60" ]
Current State: 60:[69, 60, 3, 66], Operations: [] Exploring Operation: 69+60=129, Resulting Numbers: [3, 66, 129] Generated Node #2: [3, 66, 129] from Operation: 69+60=129 Current State: 60:[3, 66, 129], Operations: ['69+60=129'] Exploring Operation: 3+66=69, Resulting Numbers: [129, 69] Generated Node #3: [129, 69] from Operation: 3+66=69 Current State: 60:[129, 69], Operations: ['69+60=129', '3+66=69'] Exploring Operation: 129-69=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[69, 60, 3, 66], Operations: [] Exploring Operation: 66/3=22, Resulting Numbers: [69, 60, 22] Generated Node #0,0: 60:[69, 60, 22] Operation: 66/3=22 Exploring Operation: 69-60=9, Resulting Numbers: [3, 66, 9] Generated Node #0,1: 60:[3, 66, 9] Operation: 69-60=9 Exploring Operation: 69-66=3, Resulting Numbers: [60, 3, 3] Generated Node #0,2: 60:[60, 3, 3] Operation: 69-66=3 Exploring Operation: 66-60=6, Resulting Numbers: [69, 3, 6] Generated Node #0,3: 60:[69, 3, 6] Operation: 66-60=6 Exploring Operation: 69/3=23, Resulting Numbers: [60, 66, 23] Generated Node #0,4: 60:[60, 66, 23] Operation: 69/3=23 Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[60, 3, 3], Operations: ['69-66=3'] Exploring Operation: 60/3=20, Resulting Numbers: [3, 20] Generated Node #0,2,0: 60:[3, 20] Operation: 60/3=20 Exploring Operation: 3+3=6, Resulting Numbers: [60, 6] Generated Node #0,2,1: 60:[60, 6] Operation: 3+3=6 Exploring Operation: 3*3=9, Resulting Numbers: [60, 9] Generated Node #0,2,2: 60:[60, 9] Operation: 3*3=9 Exploring Operation: 60/3=20, Resulting Numbers: [3, 20] Generated Node #0,2,3: 60:[3, 20] Operation: 60/3=20 Exploring Operation: 3/3=1, Resulting Numbers: [60, 1] Generated Node #0,2,4: 60:[60, 1] Operation: 3/3=1 Moving to Node #0,2,0 Current State: 60:[3, 20], Operations: ['69-66=3', '60/3=20'] Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,60 unequal: No Solution Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[69, 60, 3, 66], Operations: [] Exploring Operation: 69-66=3, Resulting Numbers: [60, 3, 3] Generated Node #0,2: 60:[60, 3, 3] Operation: 69-66=3 Moving to Node #0,2 Current State: 60:[60, 3, 3], Operations: ['69-66=3'] Exploring Operation: 60/3=20, Resulting Numbers: [3, 20] Generated Node #0,2,0: 60:[3, 20] Operation: 60/3=20 Moving to Node #0,2,0 Current State: 60:[3, 20], Operations: ['69-66=3', '60/3=20'] Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 5, 61, 59, 85 ]
45
[ "5+85=90", "61-59=2", "90/2=45" ]
Current State: 45:[5, 61, 59, 85], Operations: [] Exploring Operation: 5+85=90, Resulting Numbers: [61, 59, 90] Generated Node #2: [61, 59, 90] from Operation: 5+85=90 Current State: 45:[61, 59, 90], Operations: ['5+85=90'] Exploring Operation: 61-59=2, Resulting Numbers: [90, 2] Generated Node #3: [90, 2] from Operation: 61-59=2 Current State: 45:[90, 2], Operations: ['5+85=90', '61-59=2'] Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[5, 61, 59, 85], Operations: [] Exploring Operation: 85/5=17, Resulting Numbers: [61, 59, 17] Generated Node #0,0: 45:[61, 59, 17] Operation: 85/5=17 Exploring Operation: 61-59=2, Resulting Numbers: [5, 85, 2] Generated Node #0,1: 45:[5, 85, 2] Operation: 61-59=2 Exploring Operation: 85-61=24, Resulting Numbers: [5, 59, 24] Generated Node #0,2: 45:[5, 59, 24] Operation: 85-61=24 Exploring Operation: 85-59=26, Resulting Numbers: [5, 61, 26] Generated Node #0,3: 45:[5, 61, 26] Operation: 85-59=26 Exploring Operation: 61-5=56, Resulting Numbers: [59, 85, 56] Generated Node #0,4: 45:[59, 85, 56] Operation: 61-5=56 Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[5, 59, 24], Operations: ['85-61=24'] Exploring Operation: 5+24=29, Resulting Numbers: [59, 29] Generated Node #0,2,0: 45:[59, 29] Operation: 5+24=29 Exploring Operation: 24-5=19, Resulting Numbers: [59, 19] Generated Node #0,2,1: 45:[59, 19] Operation: 24-5=19 Exploring Operation: 59-5=54, Resulting Numbers: [24, 54] Generated Node #0,2,2: 45:[24, 54] Operation: 59-5=54 Exploring Operation: 59-24=35, Resulting Numbers: [5, 35] Generated Node #0,2,3: 45:[5, 35] Operation: 59-24=35 Exploring Operation: 5+59=64, Resulting Numbers: [24, 64] Generated Node #0,2,4: 45:[24, 64] Operation: 5+59=64 Moving to Node #0,2,3 Current State: 45:[5, 35], Operations: ['85-61=24', '59-24=35'] Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,45 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,45 unequal: No Solution Exploring Operation: 5+35=40, Resulting Numbers: [40] 40,45 unequal: No Solution Exploring Operation: 5*35=175, Resulting Numbers: [175] 175,45 unequal: No Solution Moving to Node #0,2,2 Current State: 45:[24, 54], Operations: ['85-61=24', '59-5=54'] Exploring Operation: 24+54=78, Resulting Numbers: [78] 78,45 unequal: No Solution Exploring Operation: 24*54=1296, Resulting Numbers: [1296] 1296,45 unequal: No Solution Exploring Operation: 54-24=30, Resulting Numbers: [30] 30,45 unequal: No Solution Moving to Node #0,2,1 Current State: 45:[59, 19], Operations: ['85-61=24', '24-5=19'] Exploring Operation: 59+19=78, Resulting Numbers: [78] 78,45 unequal: No Solution Exploring Operation: 59*19=1121, Resulting Numbers: [1121] 1121,45 unequal: No Solution Exploring Operation: 59-19=40, Resulting Numbers: [40] 40,45 unequal: No Solution Moving to Node #0,2,0 Current State: 45:[59, 29], Operations: ['85-61=24', '5+24=29'] Exploring Operation: 59-29=30, Resulting Numbers: [30] 30,45 unequal: No Solution Exploring Operation: 59*29=1711, Resulting Numbers: [1711] 1711,45 unequal: No Solution Exploring Operation: 59+29=88, Resulting Numbers: [88] 88,45 unequal: No Solution Moving to Node #0,2,4 Current State: 45:[24, 64], Operations: ['85-61=24', '5+59=64'] Exploring Operation: 24+64=88, Resulting Numbers: [88] 88,45 unequal: No Solution Exploring Operation: 24*64=1536, Resulting Numbers: [1536] 1536,45 unequal: No Solution Exploring Operation: 64-24=40, Resulting Numbers: [40] 40,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 45:[5, 61, 26], Operations: ['85-59=26'] Exploring Operation: 5+26=31, Resulting Numbers: [61, 31] Generated Node #0,3,0: 45:[61, 31] Operation: 5+26=31 Exploring Operation: 5+61=66, Resulting Numbers: [26, 66] Generated Node #0,3,1: 45:[26, 66] Operation: 5+61=66 Exploring Operation: 61-5=56, Resulting Numbers: [26, 56] Generated Node #0,3,2: 45:[26, 56] Operation: 61-5=56 Exploring Operation: 26-5=21, Resulting Numbers: [61, 21] Generated Node #0,3,3: 45:[61, 21] Operation: 26-5=21 Exploring Operation: 61-26=35, Resulting Numbers: [5, 35] Generated Node #0,3,4: 45:[5, 35] Operation: 61-26=35 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 45:[5, 35], Operations: ['85-59=26', '61-26=35'] Exploring Operation: 5*35=175, Resulting Numbers: [175] 175,45 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,45 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,45 unequal: No Solution Exploring Operation: 5+35=40, Resulting Numbers: [40] 40,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 45:[26, 56], Operations: ['85-59=26', '61-5=56'] Exploring Operation: 56-26=30, Resulting Numbers: [30] 30,45 unequal: No Solution Exploring Operation: 26*56=1456, Resulting Numbers: [1456] 1456,45 unequal: No Solution Exploring Operation: 26+56=82, Resulting Numbers: [82] 82,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 45:[61, 21], Operations: ['85-59=26', '26-5=21'] Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,45 unequal: No Solution Exploring Operation: 61*21=1281, Resulting Numbers: [1281] 1281,45 unequal: No Solution Exploring Operation: 61+21=82, Resulting Numbers: [82] 82,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 45:[61, 31], Operations: ['85-59=26', '5+26=31'] Exploring Operation: 61+31=92, Resulting Numbers: [92] 92,45 unequal: No Solution Exploring Operation: 61-31=30, Resulting Numbers: [30] 30,45 unequal: No Solution Exploring Operation: 61*31=1891, Resulting Numbers: [1891] 1891,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 45:[26, 66], Operations: ['85-59=26', '5+61=66'] Exploring Operation: 26+66=92, Resulting Numbers: [92] 92,45 unequal: No Solution Exploring Operation: 66-26=40, Resulting Numbers: [40] 40,45 unequal: No Solution Exploring Operation: 26*66=1716, Resulting Numbers: [1716] 1716,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[61, 59, 17], Operations: ['85/5=17'] Exploring Operation: 59-17=42, Resulting Numbers: [61, 42] Generated Node #0,0,0: 45:[61, 42] Operation: 59-17=42 Exploring Operation: 59+17=76, Resulting Numbers: [61, 76] Generated Node #0,0,1: 45:[61, 76] Operation: 59+17=76 Exploring Operation: 61-17=44, Resulting Numbers: [59, 44] Generated Node #0,0,2: 45:[59, 44] Operation: 61-17=44 Exploring Operation: 61-59=2, Resulting Numbers: [17, 2] Generated Node #0,0,3: 45:[17, 2] Operation: 61-59=2 Exploring Operation: 61+17=78, Resulting Numbers: [59, 78] Generated Node #0,0,4: 45:[59, 78] Operation: 61+17=78 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 45:[17, 2], Operations: ['85/5=17', '61-59=2'] Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,45 unequal: No Solution Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,45 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 45:[59, 44], Operations: ['85/5=17', '61-17=44'] Exploring Operation: 59-44=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 59*44=2596, Resulting Numbers: [2596] 2596,45 unequal: No Solution Exploring Operation: 59+44=103, Resulting Numbers: [103] 103,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 45:[61, 42], Operations: ['85/5=17', '59-17=42'] Exploring Operation: 61-42=19, Resulting Numbers: [19] 19,45 unequal: No Solution Exploring Operation: 61+42=103, Resulting Numbers: [103] 103,45 unequal: No Solution Exploring Operation: 61*42=2562, Resulting Numbers: [2562] 2562,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 45:[61, 76], Operations: ['85/5=17', '59+17=76'] Exploring Operation: 76-61=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 61*76=4636, Resulting Numbers: [4636] 4636,45 unequal: No Solution Exploring Operation: 61+76=137, Resulting Numbers: [137] 137,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 45:[59, 78], Operations: ['85/5=17', '61+17=78'] Exploring Operation: 59*78=4602, Resulting Numbers: [4602] 4602,45 unequal: No Solution Exploring Operation: 59+78=137, Resulting Numbers: [137] 137,45 unequal: No Solution Exploring Operation: 78-59=19, Resulting Numbers: [19] 19,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[5, 85, 2], Operations: ['61-59=2'] Exploring Operation: 5*2=10, Resulting Numbers: [85, 10] Generated Node #0,1,0: 45:[85, 10] Operation: 5*2=10 Exploring Operation: 85-2=83, Resulting Numbers: [5, 83] Generated Node #0,1,1: 45:[5, 83] Operation: 85-2=83 Exploring Operation: 85/5=17, Resulting Numbers: [2, 17] Generated Node #0,1,2: 45:[2, 17] Operation: 85/5=17 Exploring Operation: 85-5=80, Resulting Numbers: [2, 80] Generated Node #0,1,3: 45:[2, 80] Operation: 85-5=80 Exploring Operation: 5-2=3, Resulting Numbers: [85, 3] Generated Node #0,1,4: 45:[85, 3] Operation: 5-2=3 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 45:[2, 17], Operations: ['61-59=2', '85/5=17'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 2*17=34, Resulting Numbers: [34] 34,45 unequal: No Solution Exploring Operation: 2+17=19, Resulting Numbers: [19] 19,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 45:[2, 80], Operations: ['61-59=2', '85-5=80'] Exploring Operation: 2*80=160, Resulting Numbers: [160] 160,45 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,45 unequal: No Solution Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,45 unequal: No Solution Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[5, 83], Operations: ['61-59=2', '85-2=83'] Exploring Operation: 5*83=415, Resulting Numbers: [415] 415,45 unequal: No Solution Exploring Operation: 83-5=78, Resulting Numbers: [78] 78,45 unequal: No Solution Exploring Operation: 5+83=88, Resulting Numbers: [88] 88,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 45:[85, 3], Operations: ['61-59=2', '5-2=3'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,45 unequal: No Solution Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,45 unequal: No Solution Exploring Operation: 85*3=255, Resulting Numbers: [255] 255,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[85, 10], Operations: ['61-59=2', '5*2=10'] Exploring Operation: 85+10=95, Resulting Numbers: [95] 95,45 unequal: No Solution Exploring Operation: 85*10=850, Resulting Numbers: [850] 850,45 unequal: No Solution Exploring Operation: 85-10=75, Resulting Numbers: [75] 75,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 45:[59, 85, 56], Operations: ['61-5=56'] Exploring Operation: 85-56=29, Resulting Numbers: [59, 29] Generated Node #0,4,0: 45:[59, 29] Operation: 85-56=29 Exploring Operation: 59-56=3, Resulting Numbers: [85, 3] Generated Node #0,4,1: 45:[85, 3] Operation: 59-56=3 Exploring Operation: 59+85=144, Resulting Numbers: [56, 144] Generated Node #0,4,2: 45:[56, 144] Operation: 59+85=144 Exploring Operation: 59+56=115, Resulting Numbers: [85, 115] Generated Node #0,4,3: 45:[85, 115] Operation: 59+56=115 Exploring Operation: 85-59=26, Resulting Numbers: [56, 26] Generated Node #0,4,4: 45:[56, 26] Operation: 85-59=26 Moving to Node #0,4,4 Current State: 45:[56, 26], Operations: ['61-5=56', '85-59=26'] Exploring Operation: 56*26=1456, Resulting Numbers: [1456] 1456,45 unequal: No Solution Exploring Operation: 56+26=82, Resulting Numbers: [82] 82,45 unequal: No Solution Exploring Operation: 56-26=30, Resulting Numbers: [30] 30,45 unequal: No Solution Moving to Node #0,4,0 Current State: 45:[59, 29], Operations: ['61-5=56', '85-56=29'] Exploring Operation: 59+29=88, Resulting Numbers: [88] 88,45 unequal: No Solution Exploring Operation: 59*29=1711, Resulting Numbers: [1711] 1711,45 unequal: No Solution Exploring Operation: 59-29=30, Resulting Numbers: [30] 30,45 unequal: No Solution Moving to Node #0,4,1 Current State: 45:[85, 3], Operations: ['61-5=56', '59-56=3'] Exploring Operation: 85*3=255, Resulting Numbers: [255] 255,45 unequal: No Solution Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,45 unequal: No Solution Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,45 unequal: No Solution Moving to Node #0,4,2 Current State: 45:[56, 144], Operations: ['61-5=56', '59+85=144'] Exploring Operation: 144-56=88, Resulting Numbers: [88] 88,45 unequal: No Solution Exploring Operation: 56*144=8064, Resulting Numbers: [8064] 8064,45 unequal: No Solution Exploring Operation: 56+144=200, Resulting Numbers: [200] 200,45 unequal: No Solution Moving to Node #0,4,3 Current State: 45:[85, 115], Operations: ['61-5=56', '59+56=115'] Exploring Operation: 85*115=9775, Resulting Numbers: [9775] 9775,45 unequal: No Solution Exploring Operation: 115-85=30, Resulting Numbers: [30] 30,45 unequal: No Solution Exploring Operation: 85+115=200, Resulting Numbers: [200] 200,45 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
[ 52, 31, 99, 3 ]
92
[ "52-31=21", "21/3=7", "99-7=92" ]
Current State: 92:[52, 31, 99, 3], Operations: [] Exploring Operation: 52-31=21, Resulting Numbers: [99, 3, 21] Generated Node #2: [99, 3, 21] from Operation: 52-31=21 Current State: 92:[99, 3, 21], Operations: ['52-31=21'] Exploring Operation: 21/3=7, Resulting Numbers: [99, 7] Generated Node #3: [99, 7] from Operation: 21/3=7 Current State: 92:[99, 7], Operations: ['52-31=21', '21/3=7'] Exploring Operation: 99-7=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[52, 31, 99, 3], Operations: [] Exploring Operation: 52-31=21, Resulting Numbers: [99, 3, 21] Generated Node #0,0: 92:[99, 3, 21] Operation: 52-31=21 Moving to Node #0,0 Current State: 92:[99, 3, 21], Operations: ['52-31=21'] Exploring Operation: 99-3=96, Resulting Numbers: [21, 96] Generated Node #0,0,0: 92:[21, 96] Operation: 99-3=96 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[21, 96], Operations: ['52-31=21', '99-3=96'] Exploring Operation: 96-21=75, Resulting Numbers: [75] 75,92 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
[ 1, 72, 24, 26 ]
64
[ "1+26=27", "72*24=1728", "1728/27=64" ]
Current State: 64:[1, 72, 24, 26], Operations: [] Exploring Operation: 1+26=27, Resulting Numbers: [72, 24, 27] Generated Node #2: [72, 24, 27] from Operation: 1+26=27 Current State: 64:[72, 24, 27], Operations: ['1+26=27'] Exploring Operation: 72*24=1728, Resulting Numbers: [27, 1728] Generated Node #3: [27, 1728] from Operation: 72*24=1728 Current State: 64:[27, 1728], Operations: ['1+26=27', '72*24=1728'] Exploring Operation: 1728/27=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[1, 72, 24, 26], Operations: [] Exploring Operation: 24-1=23, Resulting Numbers: [72, 26, 23] Generated Node #0,0: 64:[72, 26, 23] Operation: 24-1=23 Exploring Operation: 72-1=71, Resulting Numbers: [24, 26, 71] Generated Node #0,1: 64:[24, 26, 71] Operation: 72-1=71 Exploring Operation: 72/24=3, Resulting Numbers: [1, 26, 3] Generated Node #0,2: 64:[1, 26, 3] Operation: 72/24=3 Exploring Operation: 26-24=2, Resulting Numbers: [1, 72, 2] Generated Node #0,3: 64:[1, 72, 2] Operation: 26-24=2 Exploring Operation: 1+24=25, Resulting Numbers: [72, 26, 25] Generated Node #0,4: 64:[72, 26, 25] Operation: 1+24=25 Moving to Node #0,2 Current State: 64:[1, 26, 3], Operations: ['72/24=3'] Exploring Operation: 1*26=26, Resulting Numbers: [3, 26] Generated Node #0,2,0: 64:[3, 26] Operation: 1*26=26 Exploring Operation: 26+3=29, Resulting Numbers: [1, 29] Generated Node #0,2,1: 64:[1, 29] Operation: 26+3=29 Exploring Operation: 1+26=27, Resulting Numbers: [3, 27] Generated Node #0,2,2: 64:[3, 27] Operation: 1+26=27 Exploring Operation: 1+3=4, Resulting Numbers: [26, 4] Generated Node #0,2,3: 64:[26, 4] Operation: 1+3=4 Exploring Operation: 3-1=2, Resulting Numbers: [26, 2] Generated Node #0,2,4: 64:[26, 2] Operation: 3-1=2 Moving to Node #0,3 Current State: 64:[1, 72, 2], Operations: ['26-24=2'] Exploring Operation: 72/2=36, Resulting Numbers: [1, 36] Generated Node #0,3,0: 64:[1, 36] Operation: 72/2=36 Exploring Operation: 72-1=71, Resulting Numbers: [2, 71] Generated Node #0,3,1: 64:[2, 71] Operation: 72-1=71 Exploring Operation: 72/1=72, Resulting Numbers: [2, 72] Generated Node #0,3,2: 64:[2, 72] Operation: 72/1=72 Exploring Operation: 72-2=70, Resulting Numbers: [1, 70] Generated Node #0,3,3: 64:[1, 70] Operation: 72-2=70 Exploring Operation: 1*72=72, Resulting Numbers: [2, 72] Generated Node #0,3,4: 64:[2, 72] Operation: 1*72=72 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 64:[1, 36], Operations: ['26-24=2', '72/2=36'] Exploring Operation: 36-1=35, Resulting Numbers: [35] 35,64 unequal: No Solution Exploring Operation: 1*36=36, Resulting Numbers: [36] 36,64 unequal: No Solution Exploring Operation: 1+36=37, Resulting Numbers: [37] 37,64 unequal: No Solution Exploring Operation: 36/1=36, Resulting Numbers: [36] 36,64 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 #0,3,1 Current State: 64:[2, 71], Operations: ['26-24=2', '72-1=71'] Exploring Operation: 2+71=73, Resulting Numbers: [73] 73,64 unequal: No Solution Exploring Operation: 2*71=142, Resulting Numbers: [142] 142,64 unequal: No Solution Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,64 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 #0,3,3 Current State: 64:[1, 70], Operations: ['26-24=2', '72-2=70'] Exploring Operation: 1*70=70, Resulting Numbers: [70] 70,64 unequal: No Solution Exploring Operation: 1+70=71, Resulting Numbers: [71] 71,64 unequal: No Solution Exploring Operation: 70/1=70, Resulting Numbers: [70] 70,64 unequal: No Solution Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,64 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 #0,3,2 Current State: 64:[2, 72], Operations: ['26-24=2', '72/1=72'] Exploring Operation: 2*72=144, Resulting Numbers: [144] 144,64 unequal: No Solution Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,64 unequal: No Solution Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,64 unequal: No Solution Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,64 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 #0,3,4 Current State: 64:[2, 72], Operations: ['26-24=2', '1*72=72'] Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,64 unequal: No Solution Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,64 unequal: No Solution Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,64 unequal: No Solution Exploring Operation: 2*72=144, Resulting Numbers: [144] 144,64 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: 64:[72, 26, 23], Operations: ['24-1=23'] Exploring Operation: 72+23=95, Resulting Numbers: [26, 95] Generated Node #0,0,0: 64:[26, 95] Operation: 72+23=95 Exploring Operation: 72-26=46, Resulting Numbers: [23, 46] Generated Node #0,0,1: 64:[23, 46] Operation: 72-26=46 Exploring Operation: 26+23=49, Resulting Numbers: [72, 49] Generated Node #0,0,2: 64:[72, 49] Operation: 26+23=49 Exploring Operation: 72-23=49, Resulting Numbers: [26, 49] Generated Node #0,0,3: 64:[26, 49] Operation: 72-23=49 Exploring Operation: 26-23=3, Resulting Numbers: [72, 3] Generated Node #0,0,4: 64:[72, 3] Operation: 26-23=3 Moving to Node #0,1 Current State: 64:[24, 26, 71], Operations: ['72-1=71'] Exploring Operation: 24+71=95, Resulting Numbers: [26, 95] Generated Node #0,1,0: 64:[26, 95] Operation: 24+71=95 Exploring Operation: 24+26=50, Resulting Numbers: [71, 50] Generated Node #0,1,1: 64:[71, 50] Operation: 24+26=50 Exploring Operation: 71-26=45, Resulting Numbers: [24, 45] Generated Node #0,1,2: 64:[24, 45] Operation: 71-26=45 Exploring Operation: 26-24=2, Resulting Numbers: [71, 2] Generated Node #0,1,3: 64:[71, 2] Operation: 26-24=2 Exploring Operation: 71-24=47, Resulting Numbers: [26, 47] Generated Node #0,1,4: 64:[26, 47] Operation: 71-24=47 Moving to Node #0,4 Current State: 64:[72, 26, 25], Operations: ['1+24=25'] Exploring Operation: 72-25=47, Resulting Numbers: [26, 47] Generated Node #0,4,0: 64:[26, 47] Operation: 72-25=47 Exploring Operation: 26+25=51, Resulting Numbers: [72, 51] Generated Node #0,4,1: 64:[72, 51] Operation: 26+25=51 Exploring Operation: 72-26=46, Resulting Numbers: [25, 46] Generated Node #0,4,2: 64:[25, 46] Operation: 72-26=46 Exploring Operation: 72+25=97, Resulting Numbers: [26, 97] Generated Node #0,4,3: 64:[26, 97] Operation: 72+25=97 Exploring Operation: 26-25=1, Resulting Numbers: [72, 1] Generated Node #0,4,4: 64:[72, 1] Operation: 26-25=1 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 64:[72, 1], Operations: ['1+24=25', '26-25=1'] Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,64 unequal: No Solution Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,64 unequal: No Solution Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,64 unequal: No Solution Exploring Operation: 72/1=72, Resulting Numbers: [72] 72,64 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 #0,4,0 Current State: 64:[26, 47], Operations: ['1+24=25', '72-25=47'] Exploring Operation: 26+47=73, Resulting Numbers: [73] 73,64 unequal: No Solution Exploring Operation: 26*47=1222, Resulting Numbers: [1222] 1222,64 unequal: No Solution Exploring Operation: 47-26=21, Resulting Numbers: [21] 21,64 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 #0,4,1 Current State: 64:[72, 51], Operations: ['1+24=25', '26+25=51'] Exploring Operation: 72*51=3672, Resulting Numbers: [3672] 3672,64 unequal: No Solution Exploring Operation: 72+51=123, Resulting Numbers: [123] 123,64 unequal: No Solution Exploring Operation: 72-51=21, Resulting Numbers: [21] 21,64 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 #0,4,2 Current State: 64:[25, 46], Operations: ['1+24=25', '72-26=46'] Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 25+46=71, Resulting Numbers: [71] 71,64 unequal: No Solution Exploring Operation: 25*46=1150, Resulting Numbers: [1150] 1150,64 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 #0,4,3 Current State: 64:[26, 97], Operations: ['1+24=25', '72+25=97'] Exploring Operation: 97-26=71, Resulting Numbers: [71] 71,64 unequal: No Solution Exploring Operation: 26*97=2522, Resulting Numbers: [2522] 2522,64 unequal: No Solution Exploring Operation: 26+97=123, Resulting Numbers: [123] 123,64 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: 64:[1, 29], Operations: ['72/24=3', '26+3=29'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,64 unequal: No Solution Exploring Operation: 1+29=30, Resulting Numbers: [30] 30,64 unequal: No Solution Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,64 unequal: No Solution Exploring Operation: 1*29=29, Resulting Numbers: [29] 29,64 unequal: No Solution Moving to Node #0,2,3 Current State: 64:[26, 4], Operations: ['72/24=3', '1+3=4'] Exploring Operation: 26*4=104, Resulting Numbers: [104] 104,64 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,64 unequal: No Solution Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[3, 27], Operations: ['72/24=3', '1+26=27'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,64 unequal: No Solution Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,64 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,64 unequal: No Solution Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,64 unequal: No Solution Moving to Node #0,2,4 Current State: 64:[26, 2], Operations: ['72/24=3', '3-1=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,64 unequal: No Solution Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,64 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,64 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,64 unequal: No Solution Moving to Node #0,2,0 Current State: 64:[3, 26], Operations: ['72/24=3', '1*26=26'] Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,64 unequal: No Solution Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,64 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,64 unequal: No Solution Moving to Node #0,1,3 Current State: 64:[71, 2], Operations: ['72-1=71', '26-24=2'] Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,64 unequal: No Solution Exploring Operation: 71*2=142, Resulting Numbers: [142] 142,64 unequal: No Solution Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,64 unequal: No Solution Moving to Node #0,0,4 Current State: 64:[72, 3], Operations: ['24-1=23', '26-23=3'] Exploring Operation: 72*3=216, Resulting Numbers: [216] 216,64 unequal: No Solution Exploring Operation: 72/3=24, Resulting Numbers: [24] 24,64 unequal: No Solution Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,64 unequal: No Solution Exploring Operation: 72+3=75, Resulting Numbers: [75] 75,64 unequal: No Solution Moving to Node #0,0,1 Current State: 64:[23, 46], Operations: ['24-1=23', '72-26=46'] Exploring Operation: 23+46=69, Resulting Numbers: [69] 69,64 unequal: No Solution Exploring Operation: 23*46=1058, Resulting Numbers: [1058] 1058,64 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,64 unequal: No Solution Moving to Node #0,1,2 Current State: 64:[24, 45], Operations: ['72-1=71', '71-26=45'] Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 24+45=69, Resulting Numbers: [69] 69,64 unequal: No Solution Exploring Operation: 24*45=1080, Resulting Numbers: [1080] 1080,64 unequal: No Solution Moving to Node #0,1,4 Current State: 64:[26, 47], Operations: ['72-1=71', '71-24=47'] Exploring Operation: 47-26=21, Resulting Numbers: [21] 21,64 unequal: No Solution Exploring Operation: 26+47=73, Resulting Numbers: [73] 73,64 unequal: No Solution Exploring Operation: 26*47=1222, Resulting Numbers: [1222] 1222,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[71, 50], Operations: ['72-1=71', '24+26=50'] Exploring Operation: 71*50=3550, Resulting Numbers: [3550] 3550,64 unequal: No Solution Exploring Operation: 71+50=121, Resulting Numbers: [121] 121,64 unequal: No Solution Exploring Operation: 71-50=21, Resulting Numbers: [21] 21,64 unequal: No Solution Moving to Node #0,0,3 Current State: 64:[26, 49], Operations: ['24-1=23', '72-23=49'] Exploring Operation: 26+49=75, Resulting Numbers: [75] 75,64 unequal: No Solution Exploring Operation: 49-26=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 26*49=1274, Resulting Numbers: [1274] 1274,64 unequal: No Solution Moving to Node #0,0,2 Current State: 64:[72, 49], Operations: ['24-1=23', '26+23=49'] Exploring Operation: 72*49=3528, Resulting Numbers: [3528] 3528,64 unequal: No Solution Exploring Operation: 72-49=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 72+49=121, Resulting Numbers: [121] 121,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[26, 95], Operations: ['72-1=71', '24+71=95'] Exploring Operation: 26*95=2470, Resulting Numbers: [2470] 2470,64 unequal: No Solution Exploring Operation: 26+95=121, Resulting Numbers: [121] 121,64 unequal: No Solution Exploring Operation: 95-26=69, Resulting Numbers: [69] 69,64 unequal: No Solution Moving to Node #0,0,0 Current State: 64:[26, 95], Operations: ['24-1=23', '72+23=95'] Exploring Operation: 95-26=69, Resulting Numbers: [69] 69,64 unequal: No Solution Exploring Operation: 26+95=121, Resulting Numbers: [121] 121,64 unequal: No Solution Exploring Operation: 26*95=2470, Resulting Numbers: [2470] 2470,64 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 12, 23, 93, 97 ]
15
[ "23-12=11", "97-93=4", "11+4=15" ]
Current State: 15:[12, 23, 93, 97], Operations: [] Exploring Operation: 23-12=11, Resulting Numbers: [93, 97, 11] Generated Node #2: [93, 97, 11] from Operation: 23-12=11 Current State: 15:[93, 97, 11], Operations: ['23-12=11'] Exploring Operation: 97-93=4, Resulting Numbers: [11, 4] Generated Node #3: [11, 4] from Operation: 97-93=4 Current State: 15:[11, 4], Operations: ['23-12=11', '97-93=4'] Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[12, 23, 93, 97], Operations: [] Exploring Operation: 97-12=85, Resulting Numbers: [23, 93, 85] Generated Node #0,0: 15:[23, 93, 85] Operation: 97-12=85 Exploring Operation: 97-23=74, Resulting Numbers: [12, 93, 74] Generated Node #0,1: 15:[12, 93, 74] Operation: 97-23=74 Exploring Operation: 93-23=70, Resulting Numbers: [12, 97, 70] Generated Node #0,2: 15:[12, 97, 70] Operation: 93-23=70 Exploring Operation: 93-12=81, Resulting Numbers: [23, 97, 81] Generated Node #0,3: 15:[23, 97, 81] Operation: 93-12=81 Exploring Operation: 97-93=4, Resulting Numbers: [12, 23, 4] Generated Node #0,4: 15:[12, 23, 4] Operation: 97-93=4 Start Sub Search at level 1: Moving to Node #0,4 Current State: 15:[12, 23, 4], Operations: ['97-93=4'] Exploring Operation: 12+4=16, Resulting Numbers: [23, 16] Generated Node #0,4,0: 15:[23, 16] Operation: 12+4=16 Exploring Operation: 23-4=19, Resulting Numbers: [12, 19] Generated Node #0,4,1: 15:[12, 19] Operation: 23-4=19 Exploring Operation: 12-4=8, Resulting Numbers: [23, 8] Generated Node #0,4,2: 15:[23, 8] Operation: 12-4=8 Exploring Operation: 23-12=11, Resulting Numbers: [4, 11] Generated Node #0,4,3: 15:[4, 11] Operation: 23-12=11 Exploring Operation: 12/4=3, Resulting Numbers: [23, 3] Generated Node #0,4,4: 15:[23, 3] Operation: 12/4=3 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 15:[4, 11], Operations: ['97-93=4', '23-12=11'] Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,15 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,15 unequal: No Solution Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[12, 23, 93, 97], Operations: [] Exploring Operation: 97-93=4, Resulting Numbers: [12, 23, 4] Generated Node #0,4: 15:[12, 23, 4] Operation: 97-93=4 Moving to Node #0,4 Current State: 15:[12, 23, 4], Operations: ['97-93=4'] Exploring Operation: 23-12=11, Resulting Numbers: [4, 11] Generated Node #0,4,3: 15:[4, 11] Operation: 23-12=11 Moving to Node #0,4,3 Current State: 15:[4, 11], Operations: ['97-93=4', '23-12=11'] Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 67, 66, 3, 18 ]
21
[ "67-66=1", "3+18=21", "1*21=21" ]
Current State: 21:[67, 66, 3, 18], Operations: [] Exploring Operation: 67-66=1, Resulting Numbers: [3, 18, 1] Generated Node #2: [3, 18, 1] from Operation: 67-66=1 Current State: 21:[3, 18, 1], Operations: ['67-66=1'] Exploring Operation: 3+18=21, Resulting Numbers: [1, 21] Generated Node #3: [1, 21] from Operation: 3+18=21 Current State: 21:[1, 21], Operations: ['67-66=1', '3+18=21'] Exploring Operation: 1*21=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[67, 66, 3, 18], Operations: [] Exploring Operation: 67-18=49, Resulting Numbers: [66, 3, 49] Generated Node #0,0: 21:[66, 3, 49] Operation: 67-18=49 Exploring Operation: 67-66=1, Resulting Numbers: [3, 18, 1] Generated Node #0,1: 21:[3, 18, 1] Operation: 67-66=1 Exploring Operation: 66/3=22, Resulting Numbers: [67, 18, 22] Generated Node #0,2: 21:[67, 18, 22] Operation: 66/3=22 Exploring Operation: 66-18=48, Resulting Numbers: [67, 3, 48] Generated Node #0,3: 21:[67, 3, 48] Operation: 66-18=48 Moving to Node #0,1 Current State: 21:[3, 18, 1], Operations: ['67-66=1'] Exploring Operation: 3*1=3, Resulting Numbers: [18, 3] Generated Node #0,1,0: 21:[18, 3] Operation: 3*1=3 Exploring Operation: 3+18=21, Resulting Numbers: [1, 21] Generated Node #0,1,1: 21:[1, 21] Operation: 3+18=21 Exploring Operation: 18+1=19, Resulting Numbers: [3, 19] Generated Node #0,1,2: 21:[3, 19] Operation: 18+1=19 Exploring Operation: 18/3=6, Resulting Numbers: [1, 6] Generated Node #0,1,3: 21:[1, 6] Operation: 18/3=6 Moving to Node #0,2 Current State: 21:[67, 18, 22], Operations: ['66/3=22'] Exploring Operation: 67+18=85, Resulting Numbers: [22, 85] Generated Node #0,2,0: 21:[22, 85] Operation: 67+18=85 Exploring Operation: 67-18=49, Resulting Numbers: [22, 49] Generated Node #0,2,1: 21:[22, 49] Operation: 67-18=49 Exploring Operation: 67-22=45, Resulting Numbers: [18, 45] Generated Node #0,2,2: 21:[18, 45] Operation: 67-22=45 Exploring Operation: 22-18=4, Resulting Numbers: [67, 4] Generated Node #0,2,3: 21:[67, 4] Operation: 22-18=4 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 21:[18, 45], Operations: ['66/3=22', '67-22=45'] Exploring Operation: 18*45=810, Resulting Numbers: [810] 810,21 unequal: No Solution Exploring Operation: 45-18=27, Resulting Numbers: [27] 27,21 unequal: No Solution Exploring Operation: 18+45=63, Resulting Numbers: [63] 63,21 unequal: No Solution No 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: 21:[22, 49], Operations: ['66/3=22', '67-18=49'] Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,21 unequal: No Solution Exploring Operation: 22+49=71, Resulting Numbers: [71] 71,21 unequal: No Solution Exploring Operation: 22*49=1078, Resulting Numbers: [1078] 1078,21 unequal: No Solution No 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: 21:[67, 4], Operations: ['66/3=22', '22-18=4'] Exploring Operation: 67*4=268, Resulting Numbers: [268] 268,21 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,21 unequal: No Solution Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,21 unequal: No Solution No 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: 21:[22, 85], Operations: ['66/3=22', '67+18=85'] Exploring Operation: 85-22=63, Resulting Numbers: [63] 63,21 unequal: No Solution Exploring Operation: 22*85=1870, Resulting Numbers: [1870] 1870,21 unequal: No Solution Exploring Operation: 22+85=107, Resulting Numbers: [107] 107,21 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: 21:[67, 3, 48], Operations: ['66-18=48'] Exploring Operation: 48-3=45, Resulting Numbers: [67, 45] Generated Node #0,3,0: 21:[67, 45] Operation: 48-3=45 Exploring Operation: 67-3=64, Resulting Numbers: [48, 64] Generated Node #0,3,1: 21:[48, 64] Operation: 67-3=64 Exploring Operation: 48/3=16, Resulting Numbers: [67, 16] Generated Node #0,3,2: 21:[67, 16] Operation: 48/3=16 Exploring Operation: 67-48=19, Resulting Numbers: [3, 19] Generated Node #0,3,3: 21:[3, 19] Operation: 67-48=19 Moving to Node #0,0 Current State: 21:[66, 3, 49], Operations: ['67-18=49'] Exploring Operation: 66/3=22, Resulting Numbers: [49, 22] Generated Node #0,0,0: 21:[49, 22] Operation: 66/3=22 Exploring Operation: 66-3=63, Resulting Numbers: [49, 63] Generated Node #0,0,1: 21:[49, 63] Operation: 66-3=63 Exploring Operation: 49-3=46, Resulting Numbers: [66, 46] Generated Node #0,0,2: 21:[66, 46] Operation: 49-3=46 Exploring Operation: 66-49=17, Resulting Numbers: [3, 17] Generated Node #0,0,3: 21:[3, 17] Operation: 66-49=17 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 21:[3, 17], Operations: ['67-18=49', '66-49=17'] Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,21 unequal: No Solution Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,21 unequal: No Solution No 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: 21:[49, 22], Operations: ['67-18=49', '66/3=22'] Exploring Operation: 49*22=1078, Resulting Numbers: [1078] 1078,21 unequal: No Solution Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,21 unequal: No Solution Exploring Operation: 49+22=71, Resulting Numbers: [71] 71,21 unequal: No Solution No 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: 21:[49, 63], Operations: ['67-18=49', '66-3=63'] Exploring Operation: 63-49=14, Resulting Numbers: [14] 14,21 unequal: No Solution Exploring Operation: 49*63=3087, Resulting Numbers: [3087] 3087,21 unequal: No Solution Exploring Operation: 49+63=112, Resulting Numbers: [112] 112,21 unequal: No Solution No 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: 21:[66, 46], Operations: ['67-18=49', '49-3=46'] Exploring Operation: 66-46=20, Resulting Numbers: [20] 20,21 unequal: No Solution Exploring Operation: 66+46=112, Resulting Numbers: [112] 112,21 unequal: No Solution Exploring Operation: 66*46=3036, Resulting Numbers: [3036] 3036,21 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: 21:[1, 21], Operations: ['67-66=1', '3+18=21'] Exploring Operation: 21/1=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[67, 66, 3, 18], Operations: [] Exploring Operation: 67-66=1, Resulting Numbers: [3, 18, 1] Generated Node #0,1: 21:[3, 18, 1] Operation: 67-66=1 Moving to Node #0,1 Current State: 21:[3, 18, 1], Operations: ['67-66=1'] Exploring Operation: 3+18=21, Resulting Numbers: [1, 21] Generated Node #0,1,1: 21:[1, 21] Operation: 3+18=21 Moving to Node #0,1,1 Current State: 21:[1, 21], Operations: ['67-66=1', '3+18=21'] Exploring Operation: 21/1=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
0.957465
hs_4
sum_heuristic
[ 62, 4, 45, 4 ]
52
[ "62-4=58", "58-45=13", "4*13=52" ]
Current State: 52:[62, 4, 45, 4], Operations: [] Exploring Operation: 62-4=58, Resulting Numbers: [45, 58] Generated Node #2: [45, 58] from Operation: 62-4=58 Current State: 52:[45, 58], Operations: ['62-4=58'] Exploring Operation: 58-45=13, Resulting Numbers: [13] 13,52 equal: Goal Reached Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[62, 4, 45, 4], Operations: [] Exploring Operation: 62-45=17, Resulting Numbers: [4, 4, 17] Generated Node #0,0: 52:[4, 4, 17] Operation: 62-45=17 Exploring Operation: 62-4=58, Resulting Numbers: [45, 4, 58] Generated Node #0,1: 52:[45, 4, 58] Operation: 62-4=58 Moving to Node #0,0 Current State: 52:[4, 4, 17], Operations: ['62-45=17'] Exploring Operation: 17-4=13, Resulting Numbers: [4, 13] Generated Node #0,0,0: 52:[4, 13] Operation: 17-4=13 Exploring Operation: 17-4=13, Resulting Numbers: [4, 13] Generated Node #0,0,1: 52:[4, 13] Operation: 17-4=13 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[4, 13], Operations: ['62-45=17', '17-4=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[62, 4, 45, 4], Operations: [] Exploring Operation: 62-45=17, Resulting Numbers: [4, 4, 17] Generated Node #0,0: 52:[4, 4, 17] Operation: 62-45=17 Moving to Node #0,0 Current State: 52:[4, 4, 17], Operations: ['62-45=17'] Exploring Operation: 17-4=13, Resulting Numbers: [4, 13] Generated Node #0,0,0: 52:[4, 13] Operation: 17-4=13 Moving to Node #0,0,0 Current State: 52:[4, 13], Operations: ['62-45=17', '17-4=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 13, 69, 22, 80 ]
44
[ "13+69=82", "82-80=2", "22*2=44" ]
Current State: 44:[13, 69, 22, 80], Operations: [] Exploring Operation: 13+69=82, Resulting Numbers: [22, 80, 82] Generated Node #2: [22, 80, 82] from Operation: 13+69=82 Current State: 44:[22, 80, 82], Operations: ['13+69=82'] Exploring Operation: 82-80=2, Resulting Numbers: [22, 2] Generated Node #3: [22, 2] from Operation: 82-80=2 Current State: 44:[22, 2], Operations: ['13+69=82', '82-80=2'] Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[13, 69, 22, 80], Operations: [] Exploring Operation: 80-22=58, Resulting Numbers: [13, 69, 58] Generated Node #0,0: 44:[13, 69, 58] Operation: 80-22=58 Exploring Operation: 69-22=47, Resulting Numbers: [13, 80, 47] Generated Node #0,1: 44:[13, 80, 47] Operation: 69-22=47 Exploring Operation: 69-13=56, Resulting Numbers: [22, 80, 56] Generated Node #0,2: 44:[22, 80, 56] Operation: 69-13=56 Exploring Operation: 80-69=11, Resulting Numbers: [13, 22, 11] Generated Node #0,3: 44:[13, 22, 11] Operation: 80-69=11 Moving to Node #0,3 Current State: 44:[13, 22, 11], Operations: ['80-69=11'] Exploring Operation: 13+11=24, Resulting Numbers: [22, 24] Generated Node #0,3,0: 44:[22, 24] Operation: 13+11=24 Exploring Operation: 22-11=11, Resulting Numbers: [13, 11] Generated Node #0,3,1: 44:[13, 11] Operation: 22-11=11 Exploring Operation: 22-13=9, Resulting Numbers: [11, 9] Generated Node #0,3,2: 44:[11, 9] Operation: 22-13=9 Exploring Operation: 13-11=2, Resulting Numbers: [22, 2] Generated Node #0,3,3: 44:[22, 2] Operation: 13-11=2 Moving to Node #0,1 Current State: 44:[13, 80, 47], Operations: ['69-22=47'] Exploring Operation: 47-13=34, Resulting Numbers: [80, 34] Generated Node #0,1,0: 44:[80, 34] Operation: 47-13=34 Exploring Operation: 80-47=33, Resulting Numbers: [13, 33] Generated Node #0,1,1: 44:[13, 33] Operation: 80-47=33 Exploring Operation: 13+80=93, Resulting Numbers: [47, 93] Generated Node #0,1,2: 44:[47, 93] Operation: 13+80=93 Exploring Operation: 80-13=67, Resulting Numbers: [47, 67] Generated Node #0,1,3: 44:[47, 67] Operation: 80-13=67 Moving to Node #0,0 Current State: 44:[13, 69, 58], Operations: ['80-22=58'] Exploring Operation: 69-58=11, Resulting Numbers: [13, 11] Generated Node #0,0,0: 44:[13, 11] Operation: 69-58=11 Exploring Operation: 13+69=82, Resulting Numbers: [58, 82] Generated Node #0,0,1: 44:[58, 82] Operation: 13+69=82 Exploring Operation: 58-13=45, Resulting Numbers: [69, 45] Generated Node #0,0,2: 44:[69, 45] Operation: 58-13=45 Exploring Operation: 69-13=56, Resulting Numbers: [58, 56] Generated Node #0,0,3: 44:[58, 56] Operation: 69-13=56 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[13, 11], Operations: ['80-22=58', '69-58=11'] Exploring Operation: 13*11=143, Resulting Numbers: [143] 143,44 unequal: No Solution Exploring Operation: 13+11=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 44:[69, 45], Operations: ['80-22=58', '58-13=45'] Exploring Operation: 69+45=114, Resulting Numbers: [114] 114,44 unequal: No Solution Exploring Operation: 69*45=3105, Resulting Numbers: [3105] 3105,44 unequal: No Solution Exploring Operation: 69-45=24, Resulting Numbers: [24] 24,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 44:[58, 56], Operations: ['80-22=58', '69-13=56'] Exploring Operation: 58+56=114, Resulting Numbers: [114] 114,44 unequal: No Solution Exploring Operation: 58*56=3248, Resulting Numbers: [3248] 3248,44 unequal: No Solution Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 44:[58, 82], Operations: ['80-22=58', '13+69=82'] Exploring Operation: 82-58=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 58+82=140, Resulting Numbers: [140] 140,44 unequal: No Solution Exploring Operation: 58*82=4756, Resulting Numbers: [4756] 4756,44 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: 44:[22, 80, 56], Operations: ['69-13=56'] Exploring Operation: 56-22=34, Resulting Numbers: [80, 34] Generated Node #0,2,0: 44:[80, 34] Operation: 56-22=34 Exploring Operation: 22+80=102, Resulting Numbers: [56, 102] Generated Node #0,2,1: 44:[56, 102] Operation: 22+80=102 Exploring Operation: 80-56=24, Resulting Numbers: [22, 24] Generated Node #0,2,2: 44:[22, 24] Operation: 80-56=24 Exploring Operation: 80-22=58, Resulting Numbers: [56, 58] Generated Node #0,2,3: 44:[56, 58] Operation: 80-22=58 Moving to Node #0,3,3 Current State: 44:[22, 2], Operations: ['80-69=11', '13-11=2'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,44 unequal: No Solution Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[13, 69, 22, 80], Operations: [] Exploring Operation: 80-69=11, Resulting Numbers: [13, 22, 11] Generated Node #0,3: 44:[13, 22, 11] Operation: 80-69=11 Moving to Node #0,3 Current State: 44:[13, 22, 11], Operations: ['80-69=11'] Exploring Operation: 13-11=2, Resulting Numbers: [22, 2] Generated Node #0,3,3: 44:[22, 2] Operation: 13-11=2 Moving to Node #0,3,3 Current State: 44:[22, 2], Operations: ['80-69=11', '13-11=2'] Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
0.967014
hs_4
sum_heuristic
[ 19, 7, 43, 87 ]
70
[ "19+7=26", "87-43=44", "26+44=70" ]
Current State: 70:[19, 7, 43, 87], Operations: [] Exploring Operation: 19+7=26, Resulting Numbers: [43, 87, 26] Generated Node #2: [43, 87, 26] from Operation: 19+7=26 Current State: 70:[43, 87, 26], Operations: ['19+7=26'] Exploring Operation: 87-43=44, Resulting Numbers: [26, 44] Generated Node #3: [26, 44] from Operation: 87-43=44 Current State: 70:[26, 44], Operations: ['19+7=26', '87-43=44'] Exploring Operation: 26+44=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[19, 7, 43, 87], Operations: [] Exploring Operation: 87-43=44, Resulting Numbers: [19, 7, 44] Generated Node #0,0: 70:[19, 7, 44] Operation: 87-43=44 Exploring Operation: 43-7=36, Resulting Numbers: [19, 87, 36] Generated Node #0,1: 70:[19, 87, 36] Operation: 43-7=36 Exploring Operation: 87-19=68, Resulting Numbers: [7, 43, 68] Generated Node #0,2: 70:[7, 43, 68] Operation: 87-19=68 Exploring Operation: 19+43=62, Resulting Numbers: [7, 87, 62] Generated Node #0,3: 70:[7, 87, 62] Operation: 19+43=62 Exploring Operation: 87-7=80, Resulting Numbers: [19, 43, 80] Generated Node #0,4: 70:[19, 43, 80] Operation: 87-7=80 Start Sub Search at level 1: Moving to Node #0,2 Current State: 70:[7, 43, 68], Operations: ['87-19=68'] Exploring Operation: 43-7=36, Resulting Numbers: [68, 36] Generated Node #0,2,0: 70:[68, 36] Operation: 43-7=36 Exploring Operation: 68-7=61, Resulting Numbers: [43, 61] Generated Node #0,2,1: 70:[43, 61] Operation: 68-7=61 Exploring Operation: 7+43=50, Resulting Numbers: [68, 50] Generated Node #0,2,2: 70:[68, 50] Operation: 7+43=50 Exploring Operation: 68-43=25, Resulting Numbers: [7, 25] Generated Node #0,2,3: 70:[7, 25] Operation: 68-43=25 Exploring Operation: 7+68=75, Resulting Numbers: [43, 75] Generated Node #0,2,4: 70:[43, 75] Operation: 7+68=75 Moving to Node #0,2,0 Current State: 70:[68, 36], Operations: ['87-19=68', '43-7=36'] Exploring Operation: 68*36=2448, Resulting Numbers: [2448] 2448,70 unequal: No Solution Exploring Operation: 68-36=32, Resulting Numbers: [32] 32,70 unequal: No Solution Exploring Operation: 68+36=104, Resulting Numbers: [104] 104,70 unequal: No Solution Moving to Node #0,2,3 Current State: 70:[7, 25], Operations: ['87-19=68', '68-43=25'] Exploring Operation: 7*25=175, Resulting Numbers: [175] 175,70 unequal: No Solution Exploring Operation: 7+25=32, Resulting Numbers: [32] 32,70 unequal: No Solution Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,70 unequal: No Solution Moving to Node #0,2,4 Current State: 70:[43, 75], Operations: ['87-19=68', '7+68=75'] Exploring Operation: 43*75=3225, Resulting Numbers: [3225] 3225,70 unequal: No Solution Exploring Operation: 75-43=32, Resulting Numbers: [32] 32,70 unequal: No Solution Exploring Operation: 43+75=118, Resulting Numbers: [118] 118,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[43, 61], Operations: ['87-19=68', '68-7=61'] Exploring Operation: 43*61=2623, Resulting Numbers: [2623] 2623,70 unequal: No Solution Exploring Operation: 61-43=18, Resulting Numbers: [18] 18,70 unequal: No Solution Exploring Operation: 43+61=104, Resulting Numbers: [104] 104,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[68, 50], Operations: ['87-19=68', '7+43=50'] Exploring Operation: 68*50=3400, Resulting Numbers: [3400] 3400,70 unequal: No Solution Exploring Operation: 68+50=118, Resulting Numbers: [118] 118,70 unequal: No Solution Exploring Operation: 68-50=18, Resulting Numbers: [18] 18,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[19, 7, 44], Operations: ['87-43=44'] Exploring Operation: 19-7=12, Resulting Numbers: [44, 12] Generated Node #0,0,0: 70:[44, 12] Operation: 19-7=12 Exploring Operation: 19+7=26, Resulting Numbers: [44, 26] Generated Node #0,0,1: 70:[44, 26] Operation: 19+7=26 Exploring Operation: 19+44=63, Resulting Numbers: [7, 63] Generated Node #0,0,2: 70:[7, 63] Operation: 19+44=63 Exploring Operation: 44-19=25, Resulting Numbers: [7, 25] Generated Node #0,0,3: 70:[7, 25] Operation: 44-19=25 Exploring Operation: 44-7=37, Resulting Numbers: [19, 37] Generated Node #0,0,4: 70:[19, 37] Operation: 44-7=37 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 70:[7, 63], Operations: ['87-43=44', '19+44=63'] Exploring Operation: 63-7=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 7+63=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[19, 7, 43, 87], Operations: [] Exploring Operation: 87-43=44, Resulting Numbers: [19, 7, 44] Generated Node #0,0: 70:[19, 7, 44] Operation: 87-43=44 Moving to Node #0,0 Current State: 70:[19, 7, 44], Operations: ['87-43=44'] Exploring Operation: 19+44=63, Resulting Numbers: [7, 63] Generated Node #0,0,2: 70:[7, 63] Operation: 19+44=63 Moving to Node #0,0,2 Current State: 70:[7, 63], Operations: ['87-43=44', '19+44=63'] Exploring Operation: 7+63=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_5
sum_heuristic
[ 99, 46, 78, 2 ]
37
[ "46+78=124", "124/2=62", "99-62=37" ]
Current State: 37:[99, 46, 78, 2], Operations: [] Exploring Operation: 46+78=124, Resulting Numbers: [99, 2, 124] Generated Node #2: [99, 2, 124] from Operation: 46+78=124 Current State: 37:[99, 2, 124], Operations: ['46+78=124'] Exploring Operation: 124/2=62, Resulting Numbers: [99, 62] Generated Node #3: [99, 62] from Operation: 124/2=62 Current State: 37:[99, 62], Operations: ['46+78=124', '124/2=62'] Exploring Operation: 99-62=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[99, 46, 78, 2], Operations: [] Exploring Operation: 99-78=21, Resulting Numbers: [46, 2, 21] Generated Node #0,0: 37:[46, 2, 21] Operation: 99-78=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[46, 2, 21], Operations: ['99-78=21'] Exploring Operation: 2*21=42, Resulting Numbers: [46, 42] Generated Node #0,0,0: 37:[46, 42] Operation: 2*21=42 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[46, 42], Operations: ['99-78=21', '2*21=42'] Exploring Operation: 46-42=4, Resulting Numbers: [4] 4,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 6, 44, 65, 45 ]
59
[ "65-6=59", "45-44=1", "59*1=59" ]
Current State: 59:[6, 44, 65, 45], Operations: [] Exploring Operation: 65-6=59, Resulting Numbers: [44, 45, 59] Generated Node #2: [44, 45, 59] from Operation: 65-6=59 Current State: 59:[44, 45, 59], Operations: ['65-6=59'] Exploring Operation: 45-44=1, Resulting Numbers: [59, 1] Generated Node #3: [59, 1] from Operation: 45-44=1 Current State: 59:[59, 1], Operations: ['65-6=59', '45-44=1'] Exploring Operation: 59*1=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[6, 44, 65, 45], Operations: [] Exploring Operation: 6+44=50, Resulting Numbers: [65, 45, 50] Generated Node #0,0: 59:[65, 45, 50] Operation: 6+44=50 Moving to Node #0,0 Current State: 59:[65, 45, 50], Operations: ['6+44=50'] Exploring Operation: 45+50=95, Resulting Numbers: [65, 95] Generated Node #0,0,0: 59:[65, 95] Operation: 45+50=95 Moving to Node #0,0,0 Current State: 59:[65, 95], Operations: ['6+44=50', '45+50=95'] Exploring Operation: 95-65=30, Resulting Numbers: [30] 30,59 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 15, 38, 45, 26 ]
77
[ "26-15=11", "45-38=7", "11*7=77" ]
Current State: 77:[15, 38, 45, 26], Operations: [] Exploring Operation: 26-15=11, Resulting Numbers: [38, 45, 11] Generated Node #2: [38, 45, 11] from Operation: 26-15=11 Current State: 77:[38, 45, 11], Operations: ['26-15=11'] Exploring Operation: 45-38=7, Resulting Numbers: [11, 7] Generated Node #3: [11, 7] from Operation: 45-38=7 Current State: 77:[11, 7], Operations: ['26-15=11', '45-38=7'] Exploring Operation: 11*7=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[15, 38, 45, 26], Operations: [] Exploring Operation: 45-38=7, Resulting Numbers: [15, 26, 7] Generated Node #0,0: 77:[15, 26, 7] Operation: 45-38=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[15, 26, 7], Operations: ['45-38=7'] Exploring Operation: 26-15=11, Resulting Numbers: [7, 11] Generated Node #0,0,0: 77:[7, 11] Operation: 26-15=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[7, 11], Operations: ['45-38=7', '26-15=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[15, 38, 45, 26], Operations: [] Exploring Operation: 45-38=7, Resulting Numbers: [15, 26, 7] Generated Node #0,0: 77:[15, 26, 7] Operation: 45-38=7 Moving to Node #0,0 Current State: 77:[15, 26, 7], Operations: ['45-38=7'] Exploring Operation: 26-15=11, Resulting Numbers: [7, 11] Generated Node #0,0,0: 77:[7, 11] Operation: 26-15=11 Moving to Node #0,0,0 Current State: 77:[7, 11], Operations: ['45-38=7', '26-15=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 54, 66, 59, 6 ]
53
[ "66-54=12", "59+6=65", "65-12=53" ]
Current State: 53:[54, 66, 59, 6], Operations: [] Exploring Operation: 66-54=12, Resulting Numbers: [59, 6, 12] Generated Node #2: [59, 6, 12] from Operation: 66-54=12 Current State: 53:[59, 6, 12], Operations: ['66-54=12'] Exploring Operation: 59+6=65, Resulting Numbers: [12, 65] Generated Node #3: [12, 65] from Operation: 59+6=65 Current State: 53:[12, 65], Operations: ['66-54=12', '59+6=65'] Exploring Operation: 65-12=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[54, 66, 59, 6], Operations: [] Exploring Operation: 66-6=60, Resulting Numbers: [54, 59, 60] Generated Node #0,0: 53:[54, 59, 60] Operation: 66-6=60 Exploring Operation: 54-6=48, Resulting Numbers: [66, 59, 48] Generated Node #0,1: 53:[66, 59, 48] Operation: 54-6=48 Exploring Operation: 59-6=53, Resulting Numbers: [54, 66, 53] Generated Node #0,2: 53:[54, 66, 53] Operation: 59-6=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[54, 59, 60], Operations: ['66-6=60'] Exploring Operation: 60-59=1, Resulting Numbers: [54, 1] Generated Node #0,0,0: 53:[54, 1] Operation: 60-59=1 Exploring Operation: 60-54=6, Resulting Numbers: [59, 6] Generated Node #0,0,1: 53:[59, 6] Operation: 60-54=6 Exploring Operation: 59-54=5, Resulting Numbers: [60, 5] Generated Node #0,0,2: 53:[60, 5] Operation: 59-54=5 Moving to Node #0,0,0 Current State: 53:[54, 1], Operations: ['66-6=60', '60-59=1'] Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,53 unequal: No Solution Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[54, 66, 59, 6], Operations: [] Exploring Operation: 66-6=60, Resulting Numbers: [54, 59, 60] Generated Node #0,0: 53:[54, 59, 60] Operation: 66-6=60 Moving to Node #0,0 Current State: 53:[54, 59, 60], Operations: ['66-6=60'] Exploring Operation: 60-59=1, Resulting Numbers: [54, 1] Generated Node #0,0,0: 53:[54, 1] Operation: 60-59=1 Moving to Node #0,0,0 Current State: 53:[54, 1], Operations: ['66-6=60', '60-59=1'] Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 20, 67, 5, 17 ]
52
[ "20-17=3", "5*3=15", "67-15=52" ]
Current State: 52:[20, 67, 5, 17], Operations: [] Exploring Operation: 20-17=3, Resulting Numbers: [67, 5, 3] Generated Node #2: [67, 5, 3] from Operation: 20-17=3 Current State: 52:[67, 5, 3], Operations: ['20-17=3'] Exploring Operation: 5*3=15, Resulting Numbers: [67, 15] Generated Node #3: [67, 15] from Operation: 5*3=15 Current State: 52:[67, 15], Operations: ['20-17=3', '5*3=15'] Exploring Operation: 67-15=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[20, 67, 5, 17], Operations: [] Exploring Operation: 67-20=47, Resulting Numbers: [5, 17, 47] Generated Node #0,0: 52:[5, 17, 47] Operation: 67-20=47 Exploring Operation: 67-17=50, Resulting Numbers: [20, 5, 50] Generated Node #0,1: 52:[20, 5, 50] Operation: 67-17=50 Moving to Node #0,1 Current State: 52:[20, 5, 50], Operations: ['67-17=50'] Exploring Operation: 20/5=4, Resulting Numbers: [50, 4] Generated Node #0,1,0: 52:[50, 4] Operation: 20/5=4 Exploring Operation: 20+5=25, Resulting Numbers: [50, 25] Generated Node #0,1,1: 52:[50, 25] Operation: 20+5=25 Moving to Node #0,0 Current State: 52:[5, 17, 47], Operations: ['67-20=47'] Exploring Operation: 47-17=30, Resulting Numbers: [5, 30] Generated Node #0,0,0: 52:[5, 30] Operation: 47-17=30 Exploring Operation: 5+47=52, Resulting Numbers: [17, 52] Generated Node #0,0,1: 52:[17, 52] Operation: 5+47=52 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[17, 52], Operations: ['67-20=47', '5+47=52'] Exploring Operation: 17+52=69, Resulting Numbers: [69] 69,52 unequal: No Solution Exploring Operation: 52-17=35, Resulting Numbers: [35] 35,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[5, 30], Operations: ['67-20=47', '47-17=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,52 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: 52:[50, 4], Operations: ['67-17=50', '20/5=4'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,52 unequal: No Solution Exploring Operation: 50+4=54, Resulting Numbers: [54] 54,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[50, 25], Operations: ['67-17=50', '20+5=25'] Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,52 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 49, 36, 59, 7 ]
16
[ "49/7=7", "59-36=23", "23-7=16" ]
Current State: 16:[49, 36, 59, 7], Operations: [] Exploring Operation: 49/7=7, Resulting Numbers: [36, 59, 7] Generated Node #2: [36, 59, 7] from Operation: 49/7=7 Current State: 16:[36, 59, 7], Operations: ['49/7=7'] Exploring Operation: 59-36=23, Resulting Numbers: [7, 23] Generated Node #3: [7, 23] from Operation: 59-36=23 Current State: 16:[7, 23], Operations: ['49/7=7', '59-36=23'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[49, 36, 59, 7], Operations: [] Exploring Operation: 59-36=23, Resulting Numbers: [49, 7, 23] Generated Node #0,0: 16:[49, 7, 23] Operation: 59-36=23 Exploring Operation: 49-36=13, Resulting Numbers: [59, 7, 13] Generated Node #0,1: 16:[59, 7, 13] Operation: 49-36=13 Exploring Operation: 49-7=42, Resulting Numbers: [36, 59, 42] Generated Node #0,2: 16:[36, 59, 42] Operation: 49-7=42 Exploring Operation: 49/7=7, Resulting Numbers: [36, 59, 7] Generated Node #0,3: 16:[36, 59, 7] Operation: 49/7=7 Exploring Operation: 59-49=10, Resulting Numbers: [36, 7, 10] Generated Node #0,4: 16:[36, 7, 10] Operation: 59-49=10 Start Sub Search at level 1: Moving to Node #0,4 Current State: 16:[36, 7, 10], Operations: ['59-49=10'] Exploring Operation: 36-10=26, Resulting Numbers: [7, 26] Generated Node #0,4,0: 16:[7, 26] Operation: 36-10=26 Exploring Operation: 7+10=17, Resulting Numbers: [36, 17] Generated Node #0,4,1: 16:[36, 17] Operation: 7+10=17 Exploring Operation: 36+7=43, Resulting Numbers: [10, 43] Generated Node #0,4,2: 16:[10, 43] Operation: 36+7=43 Exploring Operation: 10-7=3, Resulting Numbers: [36, 3] Generated Node #0,4,3: 16:[36, 3] Operation: 10-7=3 Exploring Operation: 36-7=29, Resulting Numbers: [10, 29] Generated Node #0,4,4: 16:[10, 29] Operation: 36-7=29 Moving to Node #0,4,0 Current State: 16:[7, 26], Operations: ['59-49=10', '36-10=26'] Exploring Operation: 26-7=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 7+26=33, Resulting Numbers: [33] 33,16 unequal: No Solution Exploring Operation: 7*26=182, Resulting Numbers: [182] 182,16 unequal: No Solution Moving to Node #0,4,4 Current State: 16:[10, 29], Operations: ['59-49=10', '36-7=29'] Exploring Operation: 29-10=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 10+29=39, Resulting Numbers: [39] 39,16 unequal: No Solution Exploring Operation: 10*29=290, Resulting Numbers: [290] 290,16 unequal: No Solution Moving to Node #0,4,1 Current State: 16:[36, 17], Operations: ['59-49=10', '7+10=17'] Exploring Operation: 36*17=612, Resulting Numbers: [612] 612,16 unequal: No Solution Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,16 unequal: No Solution Exploring Operation: 36+17=53, Resulting Numbers: [53] 53,16 unequal: No Solution Moving to Node #0,4,3 Current State: 16:[36, 3], Operations: ['59-49=10', '10-7=3'] Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,16 unequal: No Solution Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,16 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,16 unequal: No Solution Exploring Operation: 36*3=108, Resulting Numbers: [108] 108,16 unequal: No Solution Moving to Node #0,4,2 Current State: 16:[10, 43], Operations: ['59-49=10', '36+7=43'] Exploring Operation: 10*43=430, Resulting Numbers: [430] 430,16 unequal: No Solution Exploring Operation: 10+43=53, Resulting Numbers: [53] 53,16 unequal: No Solution Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,16 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:[49, 7, 23], Operations: ['59-36=23'] Exploring Operation: 49/7=7, Resulting Numbers: [23, 7] Generated Node #0,0,0: 16:[23, 7] Operation: 49/7=7 Exploring Operation: 23-7=16, Resulting Numbers: [49, 16] Generated Node #0,0,1: 16:[49, 16] Operation: 23-7=16 Exploring Operation: 49-7=42, Resulting Numbers: [23, 42] Generated Node #0,0,2: 16:[23, 42] Operation: 49-7=42 Exploring Operation: 49+7=56, Resulting Numbers: [23, 56] Generated Node #0,0,3: 16:[23, 56] Operation: 49+7=56 Exploring Operation: 49-23=26, Resulting Numbers: [7, 26] Generated Node #0,0,4: 16:[7, 26] Operation: 49-23=26 Moving to Node #0,0,0 Current State: 16:[23, 7], Operations: ['59-36=23', '49/7=7'] Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,16 unequal: No Solution Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,16 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[49, 36, 59, 7], Operations: [] Exploring Operation: 59-36=23, Resulting Numbers: [49, 7, 23] Generated Node #0,0: 16:[49, 7, 23] Operation: 59-36=23 Moving to Node #0,0 Current State: 16:[49, 7, 23], Operations: ['59-36=23'] Exploring Operation: 49/7=7, Resulting Numbers: [23, 7] Generated Node #0,0,0: 16:[23, 7] Operation: 49/7=7 Moving to Node #0,0,0 Current State: 16:[23, 7], Operations: ['59-36=23', '49/7=7'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
mult_heuristic
[ 43, 9, 44, 38 ]
53
[ "43+38=81", "81/9=9", "44+9=53" ]
Current State: 53:[43, 9, 44, 38], Operations: [] Exploring Operation: 43+38=81, Resulting Numbers: [9, 44, 81] Generated Node #2: [9, 44, 81] from Operation: 43+38=81 Current State: 53:[9, 44, 81], Operations: ['43+38=81'] Exploring Operation: 81/9=9, Resulting Numbers: [44, 9] Generated Node #3: [44, 9] from Operation: 81/9=9 Current State: 53:[44, 9], Operations: ['43+38=81', '81/9=9'] Exploring Operation: 44+9=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[43, 9, 44, 38], Operations: [] Exploring Operation: 43+9=52, Resulting Numbers: [44, 38, 52] Generated Node #0,0: 53:[44, 38, 52] Operation: 43+9=52 Exploring Operation: 9+38=47, Resulting Numbers: [43, 44, 47] Generated Node #0,1: 53:[43, 44, 47] Operation: 9+38=47 Exploring Operation: 9+44=53, Resulting Numbers: [43, 38, 53] Generated Node #0,2: 53:[43, 38, 53] Operation: 9+44=53 Moving to Node #0,0 Current State: 53:[44, 38, 52], Operations: ['43+9=52'] Exploring Operation: 44-38=6, Resulting Numbers: [52, 6] Generated Node #0,0,0: 53:[52, 6] Operation: 44-38=6 Exploring Operation: 44+38=82, Resulting Numbers: [52, 82] Generated Node #0,0,1: 53:[52, 82] Operation: 44+38=82 Exploring Operation: 38+52=90, Resulting Numbers: [44, 90] Generated Node #0,0,2: 53:[44, 90] Operation: 38+52=90 Moving to Node #0,1 Current State: 53:[43, 44, 47], Operations: ['9+38=47'] Exploring Operation: 44+47=91, Resulting Numbers: [43, 91] Generated Node #0,1,0: 53:[43, 91] Operation: 44+47=91 Exploring Operation: 43+44=87, Resulting Numbers: [47, 87] Generated Node #0,1,1: 53:[47, 87] Operation: 43+44=87 Exploring Operation: 43+47=90, Resulting Numbers: [44, 90] Generated Node #0,1,2: 53:[44, 90] Operation: 43+47=90 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 53:[47, 87], Operations: ['9+38=47', '43+44=87'] Exploring Operation: 47*87=4089, Resulting Numbers: [4089] 4089,53 unequal: No Solution Exploring Operation: 47+87=134, Resulting Numbers: [134] 134,53 unequal: No Solution Exploring Operation: 87-47=40, Resulting Numbers: [40] 40,53 unequal: No Solution No 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: 53:[44, 90], Operations: ['9+38=47', '43+47=90'] Exploring Operation: 44+90=134, Resulting Numbers: [134] 134,53 unequal: No Solution Exploring Operation: 90-44=46, Resulting Numbers: [46] 46,53 unequal: No Solution Exploring Operation: 44*90=3960, Resulting Numbers: [3960] 3960,53 unequal: No Solution No 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: 53:[43, 91], Operations: ['9+38=47', '44+47=91'] Exploring Operation: 43*91=3913, Resulting Numbers: [3913] 3913,53 unequal: No Solution Exploring Operation: 91-43=48, Resulting Numbers: [48] 48,53 unequal: No Solution Exploring Operation: 43+91=134, Resulting Numbers: [134] 134,53 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: 53:[43, 38, 53], Operations: ['9+44=53'] Exploring Operation: 38+53=91, Resulting Numbers: [43, 91] Generated Node #0,2,0: 53:[43, 91] Operation: 38+53=91 Exploring Operation: 43+38=81, Resulting Numbers: [53, 81] Generated Node #0,2,1: 53:[53, 81] Operation: 43+38=81 Exploring Operation: 43-38=5, Resulting Numbers: [53, 5] Generated Node #0,2,2: 53:[53, 5] Operation: 43-38=5 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 53:[53, 81], Operations: ['9+44=53', '43+38=81'] Exploring Operation: 53+81=134, Resulting Numbers: [134] 134,53 unequal: No Solution Exploring Operation: 81-53=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 53*81=4293, Resulting Numbers: [4293] 4293,53 unequal: No Solution No 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: 53:[43, 91], Operations: ['9+44=53', '38+53=91'] Exploring Operation: 91-43=48, Resulting Numbers: [48] 48,53 unequal: No Solution Exploring Operation: 43*91=3913, Resulting Numbers: [3913] 3913,53 unequal: No Solution Exploring Operation: 43+91=134, Resulting Numbers: [134] 134,53 unequal: No Solution No 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: 53:[53, 5], Operations: ['9+44=53', '43-38=5'] Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,53 unequal: No Solution Exploring Operation: 53*5=265, Resulting Numbers: [265] 265,53 unequal: No Solution Exploring Operation: 53+5=58, Resulting Numbers: [58] 58,53 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: 53:[52, 82], Operations: ['43+9=52', '44+38=82'] Exploring Operation: 52+82=134, Resulting Numbers: [134] 134,53 unequal: No Solution Exploring Operation: 52*82=4264, Resulting Numbers: [4264] 4264,53 unequal: No Solution Exploring Operation: 82-52=30, Resulting Numbers: [30] 30,53 unequal: No Solution Moving to Node #0,0,2 Current State: 53:[44, 90], Operations: ['43+9=52', '38+52=90'] Exploring Operation: 90-44=46, Resulting Numbers: [46] 46,53 unequal: No Solution Exploring Operation: 44+90=134, Resulting Numbers: [134] 134,53 unequal: No Solution Exploring Operation: 44*90=3960, Resulting Numbers: [3960] 3960,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[52, 6], Operations: ['43+9=52', '44-38=6'] Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,53 unequal: No Solution Exploring Operation: 52*6=312, Resulting Numbers: [312] 312,53 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,53 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 32, 28, 16, 69 ]
43
[ "32/16=2", "69-28=41", "2+41=43" ]
Current State: 43:[32, 28, 16, 69], Operations: [] Exploring Operation: 32/16=2, Resulting Numbers: [28, 69, 2] Generated Node #2: [28, 69, 2] from Operation: 32/16=2 Current State: 43:[28, 69, 2], Operations: ['32/16=2'] Exploring Operation: 69-28=41, Resulting Numbers: [2, 41] Generated Node #3: [2, 41] from Operation: 69-28=41 Current State: 43:[2, 41], Operations: ['32/16=2', '69-28=41'] Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[32, 28, 16, 69], Operations: [] Exploring Operation: 69-16=53, Resulting Numbers: [32, 28, 53] Generated Node #0,0: 43:[32, 28, 53] Operation: 69-16=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[32, 28, 53], Operations: ['69-16=53'] Exploring Operation: 32+28=60, Resulting Numbers: [53, 60] Generated Node #0,0,0: 43:[53, 60] Operation: 32+28=60 Moving to Node #0,0,0 Current State: 43:[53, 60], Operations: ['69-16=53', '32+28=60'] Exploring Operation: 60-53=7, Resulting Numbers: [7] 7,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 8, 5, 6, 26 ]
17
[ "8-5=3", "26-6=20", "20-3=17" ]
Current State: 17:[8, 5, 6, 26], Operations: [] Exploring Operation: 8-5=3, Resulting Numbers: [6, 26, 3] Generated Node #2: [6, 26, 3] from Operation: 8-5=3 Current State: 17:[6, 26, 3], Operations: ['8-5=3'] Exploring Operation: 26-6=20, Resulting Numbers: [3, 20] Generated Node #3: [3, 20] from Operation: 26-6=20 Current State: 17:[3, 20], Operations: ['8-5=3', '26-6=20'] Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[8, 5, 6, 26], Operations: [] Exploring Operation: 26-8=18, Resulting Numbers: [5, 6, 18] Generated Node #0,0: 17:[5, 6, 18] Operation: 26-8=18 Exploring Operation: 8+5=13, Resulting Numbers: [6, 26, 13] Generated Node #0,1: 17:[6, 26, 13] Operation: 8+5=13 Exploring Operation: 5+6=11, Resulting Numbers: [8, 26, 11] Generated Node #0,2: 17:[8, 26, 11] Operation: 5+6=11 Exploring Operation: 8+6=14, Resulting Numbers: [5, 26, 14] Generated Node #0,3: 17:[5, 26, 14] Operation: 8+6=14 Moving to Node #0,0 Current State: 17:[5, 6, 18], Operations: ['26-8=18'] Exploring Operation: 5+6=11, Resulting Numbers: [18, 11] Generated Node #0,0,0: 17:[18, 11] Operation: 5+6=11 Exploring Operation: 6-5=1, Resulting Numbers: [18, 1] Generated Node #0,0,1: 17:[18, 1] Operation: 6-5=1 Exploring Operation: 5*6=30, Resulting Numbers: [18, 30] Generated Node #0,0,2: 17:[18, 30] Operation: 5*6=30 Exploring Operation: 18-5=13, Resulting Numbers: [6, 13] Generated Node #0,0,3: 17:[6, 13] Operation: 18-5=13 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[18, 11], Operations: ['26-8=18', '5+6=11'] Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 18+11=29, Resulting Numbers: [29] 29,17 unequal: No Solution Exploring Operation: 18*11=198, Resulting Numbers: [198] 198,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 17:[18, 30], Operations: ['26-8=18', '5*6=30'] Exploring Operation: 18+30=48, Resulting Numbers: [48] 48,17 unequal: No Solution Exploring Operation: 18*30=540, Resulting Numbers: [540] 540,17 unequal: No Solution Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 17:[6, 13], Operations: ['26-8=18', '18-5=13'] Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,17 unequal: No Solution Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[18, 1], Operations: ['26-8=18', '6-5=1'] Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,17 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[8, 5, 6, 26], Operations: [] Exploring Operation: 26-8=18, Resulting Numbers: [5, 6, 18] Generated Node #0,0: 17:[5, 6, 18] Operation: 26-8=18 Moving to Node #0,0 Current State: 17:[5, 6, 18], Operations: ['26-8=18'] Exploring Operation: 6-5=1, Resulting Numbers: [18, 1] Generated Node #0,0,1: 17:[18, 1] Operation: 6-5=1 Moving to Node #0,0,1 Current State: 17:[18, 1], Operations: ['26-8=18', '6-5=1'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
sum_heuristic
[ 56, 70, 80, 17 ]
62
[ "56+80=136", "136/17=8", "70-8=62" ]
Current State: 62:[56, 70, 80, 17], Operations: [] Exploring Operation: 56+80=136, Resulting Numbers: [70, 17, 136] Generated Node #2: [70, 17, 136] from Operation: 56+80=136 Current State: 62:[70, 17, 136], Operations: ['56+80=136'] Exploring Operation: 136/17=8, Resulting Numbers: [70, 8] Generated Node #3: [70, 8] from Operation: 136/17=8 Current State: 62:[70, 8], Operations: ['56+80=136', '136/17=8'] Exploring Operation: 70-8=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[56, 70, 80, 17], Operations: [] Exploring Operation: 56-17=39, Resulting Numbers: [70, 80, 39] Generated Node #0,0: 62:[70, 80, 39] Operation: 56-17=39 Exploring Operation: 80-17=63, Resulting Numbers: [56, 70, 63] Generated Node #0,1: 62:[56, 70, 63] Operation: 80-17=63 Exploring Operation: 70-17=53, Resulting Numbers: [56, 80, 53] Generated Node #0,2: 62:[56, 80, 53] Operation: 70-17=53 Exploring Operation: 80-70=10, Resulting Numbers: [56, 17, 10] Generated Node #0,3: 62:[56, 17, 10] Operation: 80-70=10 Exploring Operation: 80-56=24, Resulting Numbers: [70, 17, 24] Generated Node #0,4: 62:[70, 17, 24] Operation: 80-56=24 Moving to Node #0,1 Current State: 62:[56, 70, 63], Operations: ['80-17=63'] Exploring Operation: 63-56=7, Resulting Numbers: [70, 7] Generated Node #0,1,0: 62:[70, 7] Operation: 63-56=7 Exploring Operation: 56+70=126, Resulting Numbers: [63, 126] Generated Node #0,1,1: 62:[63, 126] Operation: 56+70=126 Exploring Operation: 56+63=119, Resulting Numbers: [70, 119] Generated Node #0,1,2: 62:[70, 119] Operation: 56+63=119 Exploring Operation: 70-63=7, Resulting Numbers: [56, 7] Generated Node #0,1,3: 62:[56, 7] Operation: 70-63=7 Exploring Operation: 70-56=14, Resulting Numbers: [63, 14] Generated Node #0,1,4: 62:[63, 14] Operation: 70-56=14 Moving to Node #0,3 Current State: 62:[56, 17, 10], Operations: ['80-70=10'] Exploring Operation: 56-17=39, Resulting Numbers: [10, 39] Generated Node #0,3,0: 62:[10, 39] Operation: 56-17=39 Exploring Operation: 56+10=66, Resulting Numbers: [17, 66] Generated Node #0,3,1: 62:[17, 66] Operation: 56+10=66 Exploring Operation: 56+17=73, Resulting Numbers: [10, 73] Generated Node #0,3,2: 62:[10, 73] Operation: 56+17=73 Exploring Operation: 17-10=7, Resulting Numbers: [56, 7] Generated Node #0,3,3: 62:[56, 7] Operation: 17-10=7 Exploring Operation: 17+10=27, Resulting Numbers: [56, 27] Generated Node #0,3,4: 62:[56, 27] Operation: 17+10=27 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 62:[56, 27], Operations: ['80-70=10', '17+10=27'] Exploring Operation: 56+27=83, Resulting Numbers: [83] 83,62 unequal: No Solution Exploring Operation: 56-27=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 56*27=1512, Resulting Numbers: [1512] 1512,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 62:[56, 7], Operations: ['80-70=10', '17-10=7'] Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,62 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 62:[10, 39], Operations: ['80-70=10', '56-17=39'] Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 10*39=390, Resulting Numbers: [390] 390,62 unequal: No Solution Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 62:[17, 66], Operations: ['80-70=10', '56+10=66'] Exploring Operation: 17*66=1122, Resulting Numbers: [1122] 1122,62 unequal: No Solution Exploring Operation: 66-17=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 17+66=83, Resulting Numbers: [83] 83,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 62:[10, 73], Operations: ['80-70=10', '56+17=73'] Exploring Operation: 73-10=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 10*73=730, Resulting Numbers: [730] 730,62 unequal: No Solution Exploring Operation: 10+73=83, Resulting Numbers: [83] 83,62 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: 62:[70, 17, 24], Operations: ['80-56=24'] Exploring Operation: 70+17=87, Resulting Numbers: [24, 87] Generated Node #0,4,0: 62:[24, 87] Operation: 70+17=87 Exploring Operation: 17+24=41, Resulting Numbers: [70, 41] Generated Node #0,4,1: 62:[70, 41] Operation: 17+24=41 Exploring Operation: 24-17=7, Resulting Numbers: [70, 7] Generated Node #0,4,2: 62:[70, 7] Operation: 24-17=7 Exploring Operation: 70-24=46, Resulting Numbers: [17, 46] Generated Node #0,4,3: 62:[17, 46] Operation: 70-24=46 Exploring Operation: 70-17=53, Resulting Numbers: [24, 53] Generated Node #0,4,4: 62:[24, 53] Operation: 70-17=53 Moving to Node #0,2 Current State: 62:[56, 80, 53], Operations: ['70-17=53'] Exploring Operation: 80-56=24, Resulting Numbers: [53, 24] Generated Node #0,2,0: 62:[53, 24] Operation: 80-56=24 Exploring Operation: 80+53=133, Resulting Numbers: [56, 133] Generated Node #0,2,1: 62:[56, 133] Operation: 80+53=133 Exploring Operation: 56-53=3, Resulting Numbers: [80, 3] Generated Node #0,2,2: 62:[80, 3] Operation: 56-53=3 Exploring Operation: 56+53=109, Resulting Numbers: [80, 109] Generated Node #0,2,3: 62:[80, 109] Operation: 56+53=109 Exploring Operation: 80-53=27, Resulting Numbers: [56, 27] Generated Node #0,2,4: 62:[56, 27] Operation: 80-53=27 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 62:[56, 27], Operations: ['70-17=53', '80-53=27'] Exploring Operation: 56+27=83, Resulting Numbers: [83] 83,62 unequal: No Solution Exploring Operation: 56*27=1512, Resulting Numbers: [1512] 1512,62 unequal: No Solution Exploring Operation: 56-27=29, Resulting Numbers: [29] 29,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[53, 24], Operations: ['70-17=53', '80-56=24'] Exploring Operation: 53*24=1272, Resulting Numbers: [1272] 1272,62 unequal: No Solution Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 62:[80, 3], Operations: ['70-17=53', '56-53=3'] Exploring Operation: 80*3=240, Resulting Numbers: [240] 240,62 unequal: No Solution Exploring Operation: 80+3=83, Resulting Numbers: [83] 83,62 unequal: No Solution Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 62:[80, 109], Operations: ['70-17=53', '56+53=109'] Exploring Operation: 80+109=189, Resulting Numbers: [189] 189,62 unequal: No Solution Exploring Operation: 80*109=8720, Resulting Numbers: [8720] 8720,62 unequal: No Solution Exploring Operation: 109-80=29, Resulting Numbers: [29] 29,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 62:[56, 133], Operations: ['70-17=53', '80+53=133'] Exploring Operation: 56*133=7448, Resulting Numbers: [7448] 7448,62 unequal: No Solution Exploring Operation: 56+133=189, Resulting Numbers: [189] 189,62 unequal: No Solution Exploring Operation: 133-56=77, Resulting Numbers: [77] 77,62 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: 62:[70, 80, 39], Operations: ['56-17=39'] Exploring Operation: 80-70=10, Resulting Numbers: [39, 10] Generated Node #0,0,0: 62:[39, 10] Operation: 80-70=10 Exploring Operation: 80-39=41, Resulting Numbers: [70, 41] Generated Node #0,0,1: 62:[70, 41] Operation: 80-39=41 Exploring Operation: 70-39=31, Resulting Numbers: [80, 31] Generated Node #0,0,2: 62:[80, 31] Operation: 70-39=31 Exploring Operation: 70+39=109, Resulting Numbers: [80, 109] Generated Node #0,0,3: 62:[80, 109] Operation: 70+39=109 Exploring Operation: 80+39=119, Resulting Numbers: [70, 119] Generated Node #0,0,4: 62:[70, 119] Operation: 80+39=119 Moving to Node #0,1,3 Current State: 62:[56, 7], Operations: ['80-17=63', '70-63=7'] Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 56*7=392, Resulting Numbers: [392] 392,62 unequal: No Solution Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,62 unequal: No Solution Moving to Node #0,1,4 Current State: 62:[63, 14], Operations: ['80-17=63', '70-56=14'] Exploring Operation: 63+14=77, Resulting Numbers: [77] 77,62 unequal: No Solution Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 63*14=882, Resulting Numbers: [882] 882,62 unequal: No Solution Moving to Node #0,4,2 Current State: 62:[70, 7], Operations: ['80-56=24', '24-17=7'] Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,62 unequal: No Solution Exploring Operation: 70+7=77, Resulting Numbers: [77] 77,62 unequal: No Solution Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 70*7=490, Resulting Numbers: [490] 490,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[70, 7], Operations: ['80-17=63', '63-56=7'] Exploring Operation: 70*7=490, Resulting Numbers: [490] 490,62 unequal: No Solution Exploring Operation: 70/7=10, Resulting Numbers: [10] 10,62 unequal: No Solution Exploring Operation: 70+7=77, Resulting Numbers: [77] 77,62 unequal: No Solution Exploring Operation: 70-7=63, Resulting Numbers: [63] 63,62 unequal: No Solution Moving to Node #0,4,4 Current State: 62:[24, 53], Operations: ['80-56=24', '70-17=53'] Exploring Operation: 24*53=1272, Resulting Numbers: [1272] 1272,62 unequal: No Solution Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 24+53=77, Resulting Numbers: [77] 77,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[39, 10], Operations: ['56-17=39', '80-70=10'] Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 39*10=390, Resulting Numbers: [390] 390,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[80, 31], Operations: ['56-17=39', '70-39=31'] Exploring Operation: 80*31=2480, Resulting Numbers: [2480] 2480,62 unequal: No Solution Exploring Operation: 80+31=111, Resulting Numbers: [111] 111,62 unequal: No Solution Exploring Operation: 80-31=49, Resulting Numbers: [49] 49,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[70, 41], Operations: ['56-17=39', '80-39=41'] Exploring Operation: 70*41=2870, Resulting Numbers: [2870] 2870,62 unequal: No Solution Exploring Operation: 70+41=111, Resulting Numbers: [111] 111,62 unequal: No Solution Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,62 unequal: No Solution Moving to Node #0,4,1 Current State: 62:[70, 41], Operations: ['80-56=24', '17+24=41'] Exploring Operation: 70*41=2870, Resulting Numbers: [2870] 2870,62 unequal: No Solution Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 70+41=111, Resulting Numbers: [111] 111,62 unequal: No Solution Moving to Node #0,4,3 Current State: 62:[17, 46], Operations: ['80-56=24', '70-24=46'] Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 17+46=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 17*46=782, Resulting Numbers: [782] 782,62 unequal: No Solution Moving to Node #0,4,0 Current State: 62:[24, 87], Operations: ['80-56=24', '70+17=87'] Exploring Operation: 24+87=111, Resulting Numbers: [111] 111,62 unequal: No Solution Exploring Operation: 24*87=2088, Resulting Numbers: [2088] 2088,62 unequal: No Solution Exploring Operation: 87-24=63, Resulting Numbers: [63] 63,62 unequal: No Solution Moving to Node #0,0,3 Current State: 62:[80, 109], Operations: ['56-17=39', '70+39=109'] Exploring Operation: 80*109=8720, Resulting Numbers: [8720] 8720,62 unequal: No Solution Exploring Operation: 109-80=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 80+109=189, Resulting Numbers: [189] 189,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[70, 119], Operations: ['80-17=63', '56+63=119'] Exploring Operation: 119-70=49, Resulting Numbers: [49] 49,62 unequal: No Solution Exploring Operation: 70*119=8330, Resulting Numbers: [8330] 8330,62 unequal: No Solution Exploring Operation: 70+119=189, Resulting Numbers: [189] 189,62 unequal: No Solution Moving to Node #0,0,4 Current State: 62:[70, 119], Operations: ['56-17=39', '80+39=119'] Exploring Operation: 70+119=189, Resulting Numbers: [189] 189,62 unequal: No Solution Exploring Operation: 70*119=8330, Resulting Numbers: [8330] 8330,62 unequal: No Solution Exploring Operation: 119-70=49, Resulting Numbers: [49] 49,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[63, 126], Operations: ['80-17=63', '56+70=126'] Exploring Operation: 126/63=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 63+126=189, Resulting Numbers: [189] 189,62 unequal: No Solution Exploring Operation: 63*126=7938, Resulting Numbers: [7938] 7938,62 unequal: No Solution Exploring Operation: 126-63=63, Resulting Numbers: [63] 63,62 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 86, 42, 28, 2 ]
100
[ "86-42=44", "28*2=56", "44+56=100" ]
Current State: 100:[86, 42, 28, 2], Operations: [] Exploring Operation: 86-42=44, Resulting Numbers: [28, 2, 44] Generated Node #2: [28, 2, 44] from Operation: 86-42=44 Current State: 100:[28, 2, 44], Operations: ['86-42=44'] Exploring Operation: 28*2=56, Resulting Numbers: [44, 56] Generated Node #3: [44, 56] from Operation: 28*2=56 Current State: 100:[44, 56], Operations: ['86-42=44', '28*2=56'] Exploring Operation: 44+56=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[86, 42, 28, 2], Operations: [] Exploring Operation: 86-42=44, Resulting Numbers: [28, 2, 44] Generated Node #0,0: 100:[28, 2, 44] Operation: 86-42=44 Exploring Operation: 86-28=58, Resulting Numbers: [42, 2, 58] Generated Node #0,1: 100:[42, 2, 58] Operation: 86-28=58 Moving to Node #0,0 Current State: 100:[28, 2, 44], Operations: ['86-42=44'] Exploring Operation: 44/2=22, Resulting Numbers: [28, 22] Generated Node #0,0,0: 100:[28, 22] Operation: 44/2=22 Exploring Operation: 44-28=16, Resulting Numbers: [2, 16] Generated Node #0,0,1: 100:[2, 16] Operation: 44-28=16 Moving to Node #0,1 Current State: 100:[42, 2, 58], Operations: ['86-28=58'] Exploring Operation: 58-42=16, Resulting Numbers: [2, 16] Generated Node #0,1,0: 100:[2, 16] Operation: 58-42=16 Exploring Operation: 42+58=100, Resulting Numbers: [2, 100] Generated Node #0,1,1: 100:[2, 100] Operation: 42+58=100 Moving to Node #0,1,1 Current State: 100:[2, 100], Operations: ['86-28=58', '42+58=100'] Exploring Operation: 2+100=102, Resulting Numbers: [102] 102,100 unequal: No Solution Exploring Operation: 100/2=50, Resulting Numbers: [50] 50,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[2, 16], Operations: ['86-42=44', '44-28=16'] Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[2, 16], Operations: ['86-28=58', '58-42=16'] Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,100 unequal: No Solution Moving to Node #0,0,0 Current State: 100:[28, 22], Operations: ['86-42=44', '44/2=22'] Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,100 unequal: No Solution Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,100 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 72, 94, 66, 97 ]
42
[ "97-94=3", "72/3=24", "66-24=42" ]
Current State: 42:[72, 94, 66, 97], Operations: [] Exploring Operation: 97-94=3, Resulting Numbers: [72, 66, 3] Generated Node #2: [72, 66, 3] from Operation: 97-94=3 Current State: 42:[72, 66, 3], Operations: ['97-94=3'] Exploring Operation: 72/3=24, Resulting Numbers: [66, 24] Generated Node #3: [66, 24] from Operation: 72/3=24 Current State: 42:[66, 24], Operations: ['97-94=3', '72/3=24'] Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[72, 94, 66, 97], Operations: [] Exploring Operation: 97-94=3, Resulting Numbers: [72, 66, 3] Generated Node #0,0: 42:[72, 66, 3] Operation: 97-94=3 Exploring Operation: 94-72=22, Resulting Numbers: [66, 97, 22] Generated Node #0,1: 42:[66, 97, 22] Operation: 94-72=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[72, 66, 3], Operations: ['97-94=3'] Exploring Operation: 72-66=6, Resulting Numbers: [3, 6] Generated Node #0,0,0: 42:[3, 6] Operation: 72-66=6 Exploring Operation: 72/3=24, Resulting Numbers: [66, 24] Generated Node #0,0,1: 42:[66, 24] Operation: 72/3=24 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[3, 6], Operations: ['97-94=3', '72-66=6'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 42:[66, 24], Operations: ['97-94=3', '72/3=24'] Exploring Operation: 66+24=90, Resulting Numbers: [90] 90,42 unequal: No Solution Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[72, 94, 66, 97], Operations: [] Exploring Operation: 97-94=3, Resulting Numbers: [72, 66, 3] Generated Node #0,0: 42:[72, 66, 3] Operation: 97-94=3 Moving to Node #0,0 Current State: 42:[72, 66, 3], Operations: ['97-94=3'] Exploring Operation: 72/3=24, Resulting Numbers: [66, 24] Generated Node #0,0,1: 42:[66, 24] Operation: 72/3=24 Moving to Node #0,0,1 Current State: 42:[66, 24], Operations: ['97-94=3', '72/3=24'] Exploring Operation: 66-24=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 72, 50, 9, 23 ]
90
[ "72+50=122", "9+23=32", "122-32=90" ]
Current State: 90:[72, 50, 9, 23], Operations: [] Exploring Operation: 72+50=122, Resulting Numbers: [9, 23, 122] Generated Node #2: [9, 23, 122] from Operation: 72+50=122 Current State: 90:[9, 23, 122], Operations: ['72+50=122'] Exploring Operation: 9+23=32, Resulting Numbers: [122, 32] Generated Node #3: [122, 32] from Operation: 9+23=32 Current State: 90:[122, 32], Operations: ['72+50=122', '9+23=32'] Exploring Operation: 122-32=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[72, 50, 9, 23], Operations: [] Exploring Operation: 72-23=49, Resulting Numbers: [50, 9, 49] Generated Node #0,0: 90:[50, 9, 49] Operation: 72-23=49 Exploring Operation: 72+23=95, Resulting Numbers: [50, 9, 95] Generated Node #0,1: 90:[50, 9, 95] Operation: 72+23=95 Exploring Operation: 72-50=22, Resulting Numbers: [9, 23, 22] Generated Node #0,2: 90:[9, 23, 22] Operation: 72-50=22 Exploring Operation: 72/9=8, Resulting Numbers: [50, 23, 8] Generated Node #0,3: 90:[50, 23, 8] Operation: 72/9=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[50, 9, 49], Operations: ['72-23=49'] Exploring Operation: 50-49=1, Resulting Numbers: [9, 1] Generated Node #0,0,0: 90:[9, 1] Operation: 50-49=1 Exploring Operation: 50-9=41, Resulting Numbers: [49, 41] Generated Node #0,0,1: 90:[49, 41] Operation: 50-9=41 Exploring Operation: 50+49=99, Resulting Numbers: [9, 99] Generated Node #0,0,2: 90:[9, 99] Operation: 50+49=99 Exploring Operation: 49-9=40, Resulting Numbers: [50, 40] Generated Node #0,0,3: 90:[50, 40] Operation: 49-9=40 Moving to Node #0,0,0 Current State: 90:[9, 1], Operations: ['72-23=49', '50-49=1'] Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,90 unequal: No Solution Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[49, 41], Operations: ['72-23=49', '50-9=41'] Exploring Operation: 49+41=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[72, 50, 9, 23], Operations: [] Exploring Operation: 72-23=49, Resulting Numbers: [50, 9, 49] Generated Node #0,0: 90:[50, 9, 49] Operation: 72-23=49 Moving to Node #0,0 Current State: 90:[50, 9, 49], Operations: ['72-23=49'] Exploring Operation: 50-9=41, Resulting Numbers: [49, 41] Generated Node #0,0,1: 90:[49, 41] Operation: 50-9=41 Moving to Node #0,0,1 Current State: 90:[49, 41], Operations: ['72-23=49', '50-9=41'] Exploring Operation: 49+41=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 19, 35, 4, 12 ]
73
[ "35-12=23", "4*23=92", "92-19=73" ]
Current State: 73:[19, 35, 4, 12], Operations: [] Exploring Operation: 35-12=23, Resulting Numbers: [19, 4, 23] Generated Node #2: [19, 4, 23] from Operation: 35-12=23 Current State: 73:[19, 4, 23], Operations: ['35-12=23'] Exploring Operation: 4*23=92, Resulting Numbers: [19, 92] Generated Node #3: [19, 92] from Operation: 4*23=92 Current State: 73:[19, 92], Operations: ['35-12=23', '4*23=92'] Exploring Operation: 92-19=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[19, 35, 4, 12], Operations: [] Exploring Operation: 4*12=48, Resulting Numbers: [19, 35, 48] Generated Node #0,0: 73:[19, 35, 48] Operation: 4*12=48 Exploring Operation: 19*4=76, Resulting Numbers: [35, 12, 76] Generated Node #0,1: 73:[35, 12, 76] Operation: 19*4=76 Exploring Operation: 19+35=54, Resulting Numbers: [4, 12, 54] Generated Node #0,2: 73:[4, 12, 54] Operation: 19+35=54 Moving to Node #0,1 Current State: 73:[35, 12, 76], Operations: ['19*4=76'] Exploring Operation: 35+12=47, Resulting Numbers: [76, 47] Generated Node #0,1,0: 73:[76, 47] Operation: 35+12=47 Exploring Operation: 35-12=23, Resulting Numbers: [76, 23] Generated Node #0,1,1: 73:[76, 23] Operation: 35-12=23 Exploring Operation: 76-12=64, Resulting Numbers: [35, 64] Generated Node #0,1,2: 73:[35, 64] Operation: 76-12=64 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[76, 47], Operations: ['19*4=76', '35+12=47'] Exploring Operation: 76+47=123, Resulting Numbers: [123] 123,73 unequal: No Solution Exploring Operation: 76-47=29, Resulting Numbers: [29] 29,73 unequal: No Solution Exploring Operation: 76*47=3572, Resulting Numbers: [3572] 3572,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[35, 64], Operations: ['19*4=76', '76-12=64'] Exploring Operation: 35*64=2240, Resulting Numbers: [2240] 2240,73 unequal: No Solution Exploring Operation: 35+64=99, Resulting Numbers: [99] 99,73 unequal: No Solution Exploring Operation: 64-35=29, Resulting Numbers: [29] 29,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[76, 23], Operations: ['19*4=76', '35-12=23'] Exploring Operation: 76-23=53, Resulting Numbers: [53] 53,73 unequal: No Solution Exploring Operation: 76*23=1748, Resulting Numbers: [1748] 1748,73 unequal: No Solution Exploring Operation: 76+23=99, Resulting Numbers: [99] 99,73 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: 73:[19, 35, 48], Operations: ['4*12=48'] Exploring Operation: 19+48=67, Resulting Numbers: [35, 67] Generated Node #0,0,0: 73:[35, 67] Operation: 19+48=67 Exploring Operation: 19+35=54, Resulting Numbers: [48, 54] Generated Node #0,0,1: 73:[48, 54] Operation: 19+35=54 Exploring Operation: 35+48=83, Resulting Numbers: [19, 83] Generated Node #0,0,2: 73:[19, 83] Operation: 35+48=83 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[35, 67], Operations: ['4*12=48', '19+48=67'] Exploring Operation: 35*67=2345, Resulting Numbers: [2345] 2345,73 unequal: No Solution Exploring Operation: 67-35=32, Resulting Numbers: [32] 32,73 unequal: No Solution Exploring Operation: 35+67=102, Resulting Numbers: [102] 102,73 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:[48, 54], Operations: ['4*12=48', '19+35=54'] Exploring Operation: 48*54=2592, Resulting Numbers: [2592] 2592,73 unequal: No Solution Exploring Operation: 48+54=102, Resulting Numbers: [102] 102,73 unequal: No Solution Exploring Operation: 54-48=6, Resulting Numbers: [6] 6,73 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:[19, 83], Operations: ['4*12=48', '35+48=83'] Exploring Operation: 19*83=1577, Resulting Numbers: [1577] 1577,73 unequal: No Solution Exploring Operation: 19+83=102, Resulting Numbers: [102] 102,73 unequal: No Solution Exploring Operation: 83-19=64, Resulting Numbers: [64] 64,73 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:[4, 12, 54], Operations: ['19+35=54'] Exploring Operation: 4*12=48, Resulting Numbers: [54, 48] Generated Node #0,2,0: 73:[54, 48] Operation: 4*12=48 Exploring Operation: 4+54=58, Resulting Numbers: [12, 58] Generated Node #0,2,1: 73:[12, 58] Operation: 4+54=58 Exploring Operation: 4+12=16, Resulting Numbers: [54, 16] Generated Node #0,2,2: 73:[54, 16] Operation: 4+12=16 Moving to Node #0,2,0 Current State: 73:[54, 48], Operations: ['19+35=54', '4*12=48'] Exploring Operation: 54+48=102, Resulting Numbers: [102] 102,73 unequal: No Solution Exploring Operation: 54-48=6, Resulting Numbers: [6] 6,73 unequal: No Solution Exploring Operation: 54*48=2592, Resulting Numbers: [2592] 2592,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[12, 58], Operations: ['19+35=54', '4+54=58'] Exploring Operation: 12*58=696, Resulting Numbers: [696] 696,73 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,73 unequal: No Solution Exploring Operation: 12+58=70, Resulting Numbers: [70] 70,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[54, 16], Operations: ['19+35=54', '4+12=16'] Exploring Operation: 54+16=70, Resulting Numbers: [70] 70,73 unequal: No Solution Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,73 unequal: No Solution Exploring Operation: 54*16=864, Resulting Numbers: [864] 864,73 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 25, 27, 29, 67 ]
36
[ "27-25=2", "67-29=38", "38-2=36" ]
Current State: 36:[25, 27, 29, 67], Operations: [] Exploring Operation: 27-25=2, Resulting Numbers: [29, 67, 2] Generated Node #2: [29, 67, 2] from Operation: 27-25=2 Current State: 36:[29, 67, 2], Operations: ['27-25=2'] Exploring Operation: 67-29=38, Resulting Numbers: [2, 38] Generated Node #3: [2, 38] from Operation: 67-29=38 Current State: 36:[2, 38], Operations: ['27-25=2', '67-29=38'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[25, 27, 29, 67], Operations: [] Exploring Operation: 67-27=40, Resulting Numbers: [25, 29, 40] Generated Node #0,0: 36:[25, 29, 40] Operation: 67-27=40 Moving to Node #0,0 Current State: 36:[25, 29, 40], Operations: ['67-27=40'] Exploring Operation: 29-25=4, Resulting Numbers: [40, 4] Generated Node #0,0,0: 36:[40, 4] Operation: 29-25=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[40, 4], Operations: ['67-27=40', '29-25=4'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[25, 27, 29, 67], Operations: [] Exploring Operation: 67-27=40, Resulting Numbers: [25, 29, 40] Generated Node #0,0: 36:[25, 29, 40] Operation: 67-27=40 Moving to Node #0,0 Current State: 36:[25, 29, 40], Operations: ['67-27=40'] Exploring Operation: 29-25=4, Resulting Numbers: [40, 4] Generated Node #0,0,0: 36:[40, 4] Operation: 29-25=4 Moving to Node #0,0,0 Current State: 36:[40, 4], Operations: ['67-27=40', '29-25=4'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 43, 90, 16, 87 ]
56
[ "90-43=47", "16+87=103", "103-47=56" ]
Current State: 56:[43, 90, 16, 87], Operations: [] Exploring Operation: 90-43=47, Resulting Numbers: [16, 87, 47] Generated Node #2: [16, 87, 47] from Operation: 90-43=47 Current State: 56:[16, 87, 47], Operations: ['90-43=47'] Exploring Operation: 16+87=103, Resulting Numbers: [47, 103] Generated Node #3: [47, 103] from Operation: 16+87=103 Current State: 56:[47, 103], Operations: ['90-43=47', '16+87=103'] Exploring Operation: 103-47=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[43, 90, 16, 87], Operations: [] Exploring Operation: 90-16=74, Resulting Numbers: [43, 87, 74] Generated Node #0,0: 56:[43, 87, 74] Operation: 90-16=74 Exploring Operation: 90-87=3, Resulting Numbers: [43, 16, 3] Generated Node #0,1: 56:[43, 16, 3] Operation: 90-87=3 Exploring Operation: 87-43=44, Resulting Numbers: [90, 16, 44] Generated Node #0,2: 56:[90, 16, 44] Operation: 87-43=44 Exploring Operation: 90-43=47, Resulting Numbers: [16, 87, 47] Generated Node #0,3: 56:[16, 87, 47] Operation: 90-43=47 Start Sub Search at level 1: Moving to Node #0,1 Current State: 56:[43, 16, 3], Operations: ['90-87=3'] Exploring Operation: 43+3=46, Resulting Numbers: [16, 46] Generated Node #0,1,0: 56:[16, 46] Operation: 43+3=46 Exploring Operation: 43+16=59, Resulting Numbers: [3, 59] Generated Node #0,1,1: 56:[3, 59] Operation: 43+16=59 Exploring Operation: 43-16=27, Resulting Numbers: [3, 27] Generated Node #0,1,2: 56:[3, 27] Operation: 43-16=27 Exploring Operation: 43-3=40, Resulting Numbers: [16, 40] Generated Node #0,1,3: 56:[16, 40] Operation: 43-3=40 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 56:[3, 27], Operations: ['90-87=3', '43-16=27'] Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,56 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,56 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,56 unequal: No Solution Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,56 unequal: No Solution No 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: 56:[3, 59], Operations: ['90-87=3', '43+16=59'] Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[43, 90, 16, 87], Operations: [] Exploring Operation: 90-87=3, Resulting Numbers: [43, 16, 3] Generated Node #0,1: 56:[43, 16, 3] Operation: 90-87=3 Moving to Node #0,1 Current State: 56:[43, 16, 3], Operations: ['90-87=3'] Exploring Operation: 43+16=59, Resulting Numbers: [3, 59] Generated Node #0,1,1: 56:[3, 59] Operation: 43+16=59 Moving to Node #0,1,1 Current State: 56:[3, 59], Operations: ['90-87=3', '43+16=59'] Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 84, 87, 4, 47 ]
40
[ "87-84=3", "47-4=43", "43-3=40" ]
Current State: 40:[84, 87, 4, 47], Operations: [] Exploring Operation: 87-84=3, Resulting Numbers: [4, 47, 3] Generated Node #2: [4, 47, 3] from Operation: 87-84=3 Current State: 40:[4, 47, 3], Operations: ['87-84=3'] Exploring Operation: 47-4=43, Resulting Numbers: [3, 43] Generated Node #3: [3, 43] from Operation: 47-4=43 Current State: 40:[3, 43], Operations: ['87-84=3', '47-4=43'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[84, 87, 4, 47], Operations: [] Exploring Operation: 87-84=3, Resulting Numbers: [4, 47, 3] Generated Node #0,0: 40:[4, 47, 3] Operation: 87-84=3 Exploring Operation: 87-47=40, Resulting Numbers: [84, 4, 40] Generated Node #0,1: 40:[84, 4, 40] Operation: 87-47=40 Exploring Operation: 84-47=37, Resulting Numbers: [87, 4, 37] Generated Node #0,2: 40:[87, 4, 37] Operation: 84-47=37 Moving to Node #0,0 Current State: 40:[4, 47, 3], Operations: ['87-84=3'] Exploring Operation: 47-4=43, Resulting Numbers: [3, 43] Generated Node #0,0,0: 40:[3, 43] Operation: 47-4=43 Exploring Operation: 4+3=7, Resulting Numbers: [47, 7] Generated Node #0,0,1: 40:[47, 7] Operation: 4+3=7 Exploring Operation: 47-3=44, Resulting Numbers: [4, 44] Generated Node #0,0,2: 40:[4, 44] Operation: 47-3=44 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[3, 43], Operations: ['87-84=3', '47-4=43'] Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,40 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[84, 87, 4, 47], Operations: [] Exploring Operation: 87-84=3, Resulting Numbers: [4, 47, 3] Generated Node #0,0: 40:[4, 47, 3] Operation: 87-84=3 Moving to Node #0,0 Current State: 40:[4, 47, 3], Operations: ['87-84=3'] Exploring Operation: 47-4=43, Resulting Numbers: [3, 43] Generated Node #0,0,0: 40:[3, 43] Operation: 47-4=43 Moving to Node #0,0,0 Current State: 40:[3, 43], Operations: ['87-84=3', '47-4=43'] Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 72, 63, 40, 42 ]
81
[ "42-40=2", "72*2=144", "144-63=81" ]
Current State: 81:[72, 63, 40, 42], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [72, 63, 2] Generated Node #2: [72, 63, 2] from Operation: 42-40=2 Current State: 81:[72, 63, 2], Operations: ['42-40=2'] Exploring Operation: 72*2=144, Resulting Numbers: [63, 144] Generated Node #3: [63, 144] from Operation: 72*2=144 Current State: 81:[63, 144], Operations: ['42-40=2', '72*2=144'] Exploring Operation: 144-63=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[72, 63, 40, 42], Operations: [] Exploring Operation: 72-63=9, Resulting Numbers: [40, 42, 9] Generated Node #0,0: 81:[40, 42, 9] Operation: 72-63=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[40, 42, 9], Operations: ['72-63=9'] Exploring Operation: 40+42=82, Resulting Numbers: [9, 82] Generated Node #0,0,0: 81:[9, 82] Operation: 40+42=82 Moving to Node #0,0,0 Current State: 81:[9, 82], Operations: ['72-63=9', '40+42=82'] Exploring Operation: 82-9=73, Resulting Numbers: [73] 73,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 96, 78, 73, 90 ]
83
[ "73*90=6570", "6570-96=6474", "6474/78=83" ]
Current State: 83:[96, 78, 73, 90], Operations: [] Exploring Operation: 73*90=6570, Resulting Numbers: [96, 78, 6570] Generated Node #2: [96, 78, 6570] from Operation: 73*90=6570 Current State: 83:[96, 78, 6570], Operations: ['73*90=6570'] Exploring Operation: 6570-96=6474, Resulting Numbers: [78, 6474] Generated Node #3: [78, 6474] from Operation: 6570-96=6474 Current State: 83:[78, 6474], Operations: ['73*90=6570', '6570-96=6474'] Exploring Operation: 6474/78=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[96, 78, 73, 90], Operations: [] Exploring Operation: 96-73=23, Resulting Numbers: [78, 90, 23] Generated Node #0,0: 83:[78, 90, 23] Operation: 96-73=23 Moving to Node #0,0 Current State: 83:[78, 90, 23], Operations: ['96-73=23'] Exploring Operation: 90-23=67, Resulting Numbers: [78, 67] Generated Node #0,0,0: 83:[78, 67] Operation: 90-23=67 Moving to Node #0,0,0 Current State: 83:[78, 67], Operations: ['96-73=23', '90-23=67'] Exploring Operation: 78+67=145, Resulting Numbers: [145] 145,83 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 28, 59, 1, 34 ]
54
[ "28+59=87", "34-1=33", "87-33=54" ]
Current State: 54:[28, 59, 1, 34], Operations: [] Exploring Operation: 28+59=87, Resulting Numbers: [1, 34, 87] Generated Node #2: [1, 34, 87] from Operation: 28+59=87 Current State: 54:[1, 34, 87], Operations: ['28+59=87'] Exploring Operation: 34-1=33, Resulting Numbers: [87, 33] Generated Node #3: [87, 33] from Operation: 34-1=33 Current State: 54:[87, 33], Operations: ['28+59=87', '34-1=33'] Exploring Operation: 87-33=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[28, 59, 1, 34], Operations: [] Exploring Operation: 59-34=25, Resulting Numbers: [28, 1, 25] Generated Node #0,0: 54:[28, 1, 25] Operation: 59-34=25 Moving to Node #0,0 Current State: 54:[28, 1, 25], Operations: ['59-34=25'] Exploring Operation: 28-25=3, Resulting Numbers: [1, 3] Generated Node #0,0,0: 54:[1, 3] Operation: 28-25=3 Moving to Node #0,0,0 Current State: 54:[1, 3], Operations: ['59-34=25', '28-25=3'] Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,54 unequal: No Solution No solution found.
0
hs_1
sum_heuristic