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
[ 21, 6, 44, 60 ]
77
[ "21+6=27", "44+60=104", "104-27=77" ]
Current State: 77:[21, 6, 44, 60], Operations: [] Exploring Operation: 21+6=27, Resulting Numbers: [44, 60, 27] Generated Node #2: [44, 60, 27] from Operation: 21+6=27 Current State: 77:[44, 60, 27], Operations: ['21+6=27'] Exploring Operation: 44+60=104, Resulting Numbers: [27, 104] Generated Node #3: [27, 104] from Operation: 44+60=104 Current State: 77:[27, 104], Operations: ['21+6=27', '44+60=104'] Exploring Operation: 104-27=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[21, 6, 44, 60], Operations: [] Exploring Operation: 60-44=16, Resulting Numbers: [21, 6, 16] Generated Node #0,0: 77:[21, 6, 16] Operation: 60-44=16 Exploring Operation: 21+60=81, Resulting Numbers: [6, 44, 81] Generated Node #0,1: 77:[6, 44, 81] Operation: 21+60=81 Exploring Operation: 44-21=23, Resulting Numbers: [6, 60, 23] Generated Node #0,2: 77:[6, 60, 23] Operation: 44-21=23 Exploring Operation: 21+44=65, Resulting Numbers: [6, 60, 65] Generated Node #0,3: 77:[6, 60, 65] Operation: 21+44=65 Exploring Operation: 44+60=104, Resulting Numbers: [21, 6, 104] Generated Node #0,4: 77:[21, 6, 104] Operation: 44+60=104 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[21, 6, 16], Operations: ['60-44=16'] Exploring Operation: 6+16=22, Resulting Numbers: [21, 22] Generated Node #0,0,0: 77:[21, 22] Operation: 6+16=22 Exploring Operation: 21-6=15, Resulting Numbers: [16, 15] Generated Node #0,0,1: 77:[16, 15] Operation: 21-6=15 Exploring Operation: 21-16=5, Resulting Numbers: [6, 5] Generated Node #0,0,2: 77:[6, 5] Operation: 21-16=5 Exploring Operation: 16-6=10, Resulting Numbers: [21, 10] Generated Node #0,0,3: 77:[21, 10] Operation: 16-6=10 Exploring Operation: 21+6=27, Resulting Numbers: [16, 27] Generated Node #0,0,4: 77:[16, 27] Operation: 21+6=27 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 77:[6, 5], Operations: ['60-44=16', '21-16=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,77 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,77 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,77 unequal: No Solution No 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: 77:[16, 15], Operations: ['60-44=16', '21-6=15'] Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,77 unequal: No Solution Exploring Operation: 16*15=240, Resulting Numbers: [240] 240,77 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,77 unequal: No Solution No 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: 77:[21, 10], Operations: ['60-44=16', '16-6=10'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,77 unequal: No Solution Exploring Operation: 21*10=210, Resulting Numbers: [210] 210,77 unequal: No Solution Exploring Operation: 21+10=31, Resulting Numbers: [31] 31,77 unequal: No Solution No 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: 77:[21, 22], Operations: ['60-44=16', '6+16=22'] Exploring Operation: 21*22=462, Resulting Numbers: [462] 462,77 unequal: No Solution Exploring Operation: 21+22=43, Resulting Numbers: [43] 43,77 unequal: No Solution Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,77 unequal: No Solution No 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: 77:[16, 27], Operations: ['60-44=16', '21+6=27'] Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,77 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,77 unequal: No Solution Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,77 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: 77:[6, 60, 23], Operations: ['44-21=23'] Exploring Operation: 23-6=17, Resulting Numbers: [60, 17] Generated Node #0,2,0: 77:[60, 17] Operation: 23-6=17 Exploring Operation: 60+23=83, Resulting Numbers: [6, 83] Generated Node #0,2,1: 77:[6, 83] Operation: 60+23=83 Exploring Operation: 6+60=66, Resulting Numbers: [23, 66] Generated Node #0,2,2: 77:[23, 66] Operation: 6+60=66 Exploring Operation: 60-23=37, Resulting Numbers: [6, 37] Generated Node #0,2,3: 77:[6, 37] Operation: 60-23=37 Exploring Operation: 60/6=10, Resulting Numbers: [23, 10] Generated Node #0,2,4: 77:[23, 10] Operation: 60/6=10 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 77:[6, 83], Operations: ['44-21=23', '60+23=83'] Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[21, 6, 44, 60], Operations: [] Exploring Operation: 44-21=23, Resulting Numbers: [6, 60, 23] Generated Node #0,2: 77:[6, 60, 23] Operation: 44-21=23 Moving to Node #0,2 Current State: 77:[6, 60, 23], Operations: ['44-21=23'] Exploring Operation: 60+23=83, Resulting Numbers: [6, 83] Generated Node #0,2,1: 77:[6, 83] Operation: 60+23=83 Moving to Node #0,2,1 Current State: 77:[6, 83], Operations: ['44-21=23', '60+23=83'] Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_5
sum_heuristic
[ 29, 58, 55, 55 ]
81
[ "58-29=29", "55+55=110", "110-29=81" ]
Current State: 81:[29, 58, 55, 55], Operations: [] Exploring Operation: 58-29=29, Resulting Numbers: [55, 55, 29] Generated Node #2: [55, 55, 29] from Operation: 58-29=29 Current State: 81:[55, 55, 29], Operations: ['58-29=29'] Exploring Operation: 55+55=110, Resulting Numbers: [29, 110] Generated Node #3: [29, 110] from Operation: 55+55=110 Current State: 81:[29, 110], Operations: ['58-29=29', '55+55=110'] Exploring Operation: 110-29=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[29, 58, 55, 55], Operations: [] Exploring Operation: 55/55=1, Resulting Numbers: [29, 58, 1] Generated Node #0,0: 81:[29, 58, 1] Operation: 55/55=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[29, 58, 1], Operations: ['55/55=1'] Exploring Operation: 58/29=2, Resulting Numbers: [1, 2] Generated Node #0,0,0: 81:[1, 2] Operation: 58/29=2 Moving to Node #0,0,0 Current State: 81:[1, 2], Operations: ['55/55=1', '58/29=2'] Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,81 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
[ 64, 70, 82, 75 ]
23
[ "64+70=134", "82+75=157", "157-134=23" ]
Current State: 23:[64, 70, 82, 75], Operations: [] Exploring Operation: 64+70=134, Resulting Numbers: [82, 75, 134] Generated Node #2: [82, 75, 134] from Operation: 64+70=134 Current State: 23:[82, 75, 134], Operations: ['64+70=134'] Exploring Operation: 82+75=157, Resulting Numbers: [134, 157] Generated Node #3: [134, 157] from Operation: 82+75=157 Current State: 23:[134, 157], Operations: ['64+70=134', '82+75=157'] Exploring Operation: 157-134=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[64, 70, 82, 75], Operations: [] Exploring Operation: 75-70=5, Resulting Numbers: [64, 82, 5] Generated Node #0,0: 23:[64, 82, 5] Operation: 75-70=5 Exploring Operation: 75-64=11, Resulting Numbers: [70, 82, 11] Generated Node #0,1: 23:[70, 82, 11] Operation: 75-64=11 Exploring Operation: 82-64=18, Resulting Numbers: [70, 75, 18] Generated Node #0,2: 23:[70, 75, 18] Operation: 82-64=18 Exploring Operation: 82-70=12, Resulting Numbers: [64, 75, 12] Generated Node #0,3: 23:[64, 75, 12] Operation: 82-70=12 Exploring Operation: 82-75=7, Resulting Numbers: [64, 70, 7] Generated Node #0,4: 23:[64, 70, 7] Operation: 82-75=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[70, 75, 18], Operations: ['82-64=18'] Exploring Operation: 70-18=52, Resulting Numbers: [75, 52] Generated Node #0,2,0: 23:[75, 52] Operation: 70-18=52 Exploring Operation: 75-70=5, Resulting Numbers: [18, 5] Generated Node #0,2,1: 23:[18, 5] Operation: 75-70=5 Exploring Operation: 75-18=57, Resulting Numbers: [70, 57] Generated Node #0,2,2: 23:[70, 57] Operation: 75-18=57 Exploring Operation: 75+18=93, Resulting Numbers: [70, 93] Generated Node #0,2,3: 23:[70, 93] Operation: 75+18=93 Exploring Operation: 70+18=88, Resulting Numbers: [75, 88] Generated Node #0,2,4: 23:[75, 88] Operation: 70+18=88 Moving to Node #0,2,1 Current State: 23:[18, 5], Operations: ['82-64=18', '75-70=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[64, 70, 82, 75], Operations: [] Exploring Operation: 82-64=18, Resulting Numbers: [70, 75, 18] Generated Node #0,2: 23:[70, 75, 18] Operation: 82-64=18 Moving to Node #0,2 Current State: 23:[70, 75, 18], Operations: ['82-64=18'] Exploring Operation: 75-70=5, Resulting Numbers: [18, 5] Generated Node #0,2,1: 23:[18, 5] Operation: 75-70=5 Moving to Node #0,2,1 Current State: 23:[18, 5], Operations: ['82-64=18', '75-70=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 59, 39, 44, 45 ]
29
[ "39*45=1755", "1755-44=1711", "1711/59=29" ]
Current State: 29:[59, 39, 44, 45], Operations: [] Exploring Operation: 39*45=1755, Resulting Numbers: [59, 44, 1755] Generated Node #2: [59, 44, 1755] from Operation: 39*45=1755 Current State: 29:[59, 44, 1755], Operations: ['39*45=1755'] Exploring Operation: 1755-44=1711, Resulting Numbers: [59, 1711] Generated Node #3: [59, 1711] from Operation: 1755-44=1711 Current State: 29:[59, 1711], Operations: ['39*45=1755', '1755-44=1711'] Exploring Operation: 1711/59=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[59, 39, 44, 45], Operations: [] Exploring Operation: 59-44=15, Resulting Numbers: [39, 45, 15] Generated Node #0,0: 29:[39, 45, 15] Operation: 59-44=15 Exploring Operation: 59-39=20, Resulting Numbers: [44, 45, 20] Generated Node #0,1: 29:[44, 45, 20] Operation: 59-39=20 Moving to Node #0,0 Current State: 29:[39, 45, 15], Operations: ['59-44=15'] Exploring Operation: 45-15=30, Resulting Numbers: [39, 30] Generated Node #0,0,0: 29:[39, 30] Operation: 45-15=30 Exploring Operation: 39-15=24, Resulting Numbers: [45, 24] Generated Node #0,0,1: 29:[45, 24] Operation: 39-15=24 Moving to Node #0,1 Current State: 29:[44, 45, 20], Operations: ['59-39=20'] Exploring Operation: 45-20=25, Resulting Numbers: [44, 25] Generated Node #0,1,0: 29:[44, 25] Operation: 45-20=25 Exploring Operation: 44-20=24, Resulting Numbers: [45, 24] Generated Node #0,1,1: 29:[45, 24] Operation: 44-20=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[44, 25], Operations: ['59-39=20', '45-20=25'] Exploring Operation: 44+25=69, Resulting Numbers: [69] 69,29 unequal: No Solution Exploring Operation: 44-25=19, Resulting Numbers: [19] 19,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[45, 24], Operations: ['59-39=20', '44-20=24'] Exploring Operation: 45+24=69, Resulting Numbers: [69] 69,29 unequal: No Solution Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,29 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: 29:[39, 30], Operations: ['59-44=15', '45-15=30'] Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,29 unequal: No Solution Exploring Operation: 39+30=69, Resulting Numbers: [69] 69,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[45, 24], Operations: ['59-44=15', '39-15=24'] Exploring Operation: 45+24=69, Resulting Numbers: [69] 69,29 unequal: No Solution Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,29 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 3, 2, 89, 41 ]
57
[ "2*41=82", "89+82=171", "171/3=57" ]
Current State: 57:[3, 2, 89, 41], Operations: [] Exploring Operation: 2*41=82, Resulting Numbers: [3, 89, 82] Generated Node #2: [3, 89, 82] from Operation: 2*41=82 Current State: 57:[3, 89, 82], Operations: ['2*41=82'] Exploring Operation: 89+82=171, Resulting Numbers: [3, 171] Generated Node #3: [3, 171] from Operation: 89+82=171 Current State: 57:[3, 171], Operations: ['2*41=82', '89+82=171'] Exploring Operation: 171/3=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[3, 2, 89, 41], Operations: [] Exploring Operation: 89-3=86, Resulting Numbers: [2, 41, 86] Generated Node #0,0: 57:[2, 41, 86] Operation: 89-3=86 Exploring Operation: 89-41=48, Resulting Numbers: [3, 2, 48] Generated Node #0,1: 57:[3, 2, 48] Operation: 89-41=48 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[3, 2, 48], Operations: ['89-41=48'] Exploring Operation: 48/3=16, Resulting Numbers: [2, 16] Generated Node #0,1,0: 57:[2, 16] Operation: 48/3=16 Exploring Operation: 48/2=24, Resulting Numbers: [3, 24] Generated Node #0,1,1: 57:[3, 24] Operation: 48/2=24 Moving to Node #0,1,0 Current State: 57:[2, 16], Operations: ['89-41=48', '48/3=16'] Exploring Operation: 2+16=18, Resulting Numbers: [18] 18,57 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,57 unequal: No Solution Moving to Node #0,1,1 Current State: 57:[3, 24], Operations: ['89-41=48', '48/2=24'] Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[2, 41, 86], Operations: ['89-3=86'] Exploring Operation: 86-41=45, Resulting Numbers: [2, 45] Generated Node #0,0,0: 57:[2, 45] Operation: 86-41=45 Exploring Operation: 86/2=43, Resulting Numbers: [41, 43] Generated Node #0,0,1: 57:[41, 43] Operation: 86/2=43 Moving to Node #0,0,0 Current State: 57:[2, 45], Operations: ['89-3=86', '86-41=45'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,57 unequal: No Solution Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[41, 43], Operations: ['89-3=86', '86/2=43'] Exploring Operation: 43-41=2, Resulting Numbers: [2] 2,57 unequal: No Solution Exploring Operation: 41+43=84, Resulting Numbers: [84] 84,57 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
[ 3, 75, 82, 33 ]
68
[ "75-33=42", "42/3=14", "82-14=68" ]
Current State: 68:[3, 75, 82, 33], Operations: [] Exploring Operation: 75-33=42, Resulting Numbers: [3, 82, 42] Generated Node #2: [3, 82, 42] from Operation: 75-33=42 Current State: 68:[3, 82, 42], Operations: ['75-33=42'] Exploring Operation: 42/3=14, Resulting Numbers: [82, 14] Generated Node #3: [82, 14] from Operation: 42/3=14 Current State: 68:[82, 14], Operations: ['75-33=42', '42/3=14'] Exploring Operation: 82-14=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[3, 75, 82, 33], Operations: [] Exploring Operation: 82-3=79, Resulting Numbers: [75, 33, 79] Generated Node #0,0: 68:[75, 33, 79] Operation: 82-3=79 Exploring Operation: 82-75=7, Resulting Numbers: [3, 33, 7] Generated Node #0,1: 68:[3, 33, 7] Operation: 82-75=7 Exploring Operation: 75-3=72, Resulting Numbers: [82, 33, 72] Generated Node #0,2: 68:[82, 33, 72] Operation: 75-3=72 Moving to Node #0,1 Current State: 68:[3, 33, 7], Operations: ['82-75=7'] Exploring Operation: 7-3=4, Resulting Numbers: [33, 4] Generated Node #0,1,0: 68:[33, 4] Operation: 7-3=4 Exploring Operation: 3*7=21, Resulting Numbers: [33, 21] Generated Node #0,1,1: 68:[33, 21] Operation: 3*7=21 Exploring Operation: 3+33=36, Resulting Numbers: [7, 36] Generated Node #0,1,2: 68:[7, 36] Operation: 3+33=36 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 68:[33, 4], Operations: ['82-75=7', '7-3=4'] Exploring Operation: 33+4=37, Resulting Numbers: [37] 37,68 unequal: No Solution Exploring Operation: 33*4=132, Resulting Numbers: [132] 132,68 unequal: No Solution Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 68:[33, 21], Operations: ['82-75=7', '3*7=21'] Exploring Operation: 33+21=54, Resulting Numbers: [54] 54,68 unequal: No Solution Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,68 unequal: No Solution Exploring Operation: 33*21=693, Resulting Numbers: [693] 693,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 68:[7, 36], Operations: ['82-75=7', '3+33=36'] Exploring Operation: 7*36=252, Resulting Numbers: [252] 252,68 unequal: No Solution Exploring Operation: 7+36=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 68:[75, 33, 79], Operations: ['82-3=79'] Exploring Operation: 79-33=46, Resulting Numbers: [75, 46] Generated Node #0,0,0: 68:[75, 46] Operation: 79-33=46 Exploring Operation: 75-33=42, Resulting Numbers: [79, 42] Generated Node #0,0,1: 68:[79, 42] Operation: 75-33=42 Exploring Operation: 79-75=4, Resulting Numbers: [33, 4] Generated Node #0,0,2: 68:[33, 4] Operation: 79-75=4 Moving to Node #0,2 Current State: 68:[82, 33, 72], Operations: ['75-3=72'] Exploring Operation: 82-72=10, Resulting Numbers: [33, 10] Generated Node #0,2,0: 68:[33, 10] Operation: 82-72=10 Exploring Operation: 82-33=49, Resulting Numbers: [72, 49] Generated Node #0,2,1: 68:[72, 49] Operation: 82-33=49 Exploring Operation: 72-33=39, Resulting Numbers: [82, 39] Generated Node #0,2,2: 68:[82, 39] Operation: 72-33=39 Moving to Node #0,0,2 Current State: 68:[33, 4], Operations: ['82-3=79', '79-75=4'] Exploring Operation: 33+4=37, Resulting Numbers: [37] 37,68 unequal: No Solution Exploring Operation: 33-4=29, Resulting Numbers: [29] 29,68 unequal: No Solution Exploring Operation: 33*4=132, Resulting Numbers: [132] 132,68 unequal: No Solution Moving to Node #0,2,0 Current State: 68:[33, 10], Operations: ['75-3=72', '82-72=10'] Exploring Operation: 33*10=330, Resulting Numbers: [330] 330,68 unequal: No Solution Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,68 unequal: No Solution Exploring Operation: 33+10=43, Resulting Numbers: [43] 43,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[79, 42], Operations: ['82-3=79', '75-33=42'] Exploring Operation: 79+42=121, Resulting Numbers: [121] 121,68 unequal: No Solution Exploring Operation: 79-42=37, Resulting Numbers: [37] 37,68 unequal: No Solution Exploring Operation: 79*42=3318, Resulting Numbers: [3318] 3318,68 unequal: No Solution Moving to Node #0,2,2 Current State: 68:[82, 39], Operations: ['75-3=72', '72-33=39'] Exploring Operation: 82+39=121, Resulting Numbers: [121] 121,68 unequal: No Solution Exploring Operation: 82-39=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 82*39=3198, Resulting Numbers: [3198] 3198,68 unequal: No Solution Moving to Node #0,2,1 Current State: 68:[72, 49], Operations: ['75-3=72', '82-33=49'] Exploring Operation: 72+49=121, Resulting Numbers: [121] 121,68 unequal: No Solution Exploring Operation: 72-49=23, Resulting Numbers: [23] 23,68 unequal: No Solution Exploring Operation: 72*49=3528, Resulting Numbers: [3528] 3528,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[75, 46], Operations: ['82-3=79', '79-33=46'] Exploring Operation: 75+46=121, Resulting Numbers: [121] 121,68 unequal: No Solution Exploring Operation: 75*46=3450, Resulting Numbers: [3450] 3450,68 unequal: No Solution Exploring Operation: 75-46=29, Resulting Numbers: [29] 29,68 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 73, 67, 56, 87 ]
63
[ "87-73=14", "56/14=4", "67-4=63" ]
Current State: 63:[73, 67, 56, 87], Operations: [] Exploring Operation: 87-73=14, Resulting Numbers: [67, 56, 14] Generated Node #2: [67, 56, 14] from Operation: 87-73=14 Current State: 63:[67, 56, 14], Operations: ['87-73=14'] Exploring Operation: 56/14=4, Resulting Numbers: [67, 4] Generated Node #3: [67, 4] from Operation: 56/14=4 Current State: 63:[67, 4], Operations: ['87-73=14', '56/14=4'] Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[73, 67, 56, 87], Operations: [] Exploring Operation: 87-67=20, Resulting Numbers: [73, 56, 20] Generated Node #0,0: 63:[73, 56, 20] Operation: 87-67=20 Exploring Operation: 87-73=14, Resulting Numbers: [67, 56, 14] Generated Node #0,1: 63:[67, 56, 14] Operation: 87-73=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[67, 56, 14], Operations: ['87-73=14'] Exploring Operation: 56/14=4, Resulting Numbers: [67, 4] Generated Node #0,1,0: 63:[67, 4] Operation: 56/14=4 Exploring Operation: 67-56=11, Resulting Numbers: [14, 11] Generated Node #0,1,1: 63:[14, 11] Operation: 67-56=11 Moving to Node #0,1,0 Current State: 63:[67, 4], Operations: ['87-73=14', '56/14=4'] Exploring Operation: 67+4=71, Resulting Numbers: [71] 71,63 unequal: No Solution Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[73, 67, 56, 87], Operations: [] Exploring Operation: 87-73=14, Resulting Numbers: [67, 56, 14] Generated Node #0,1: 63:[67, 56, 14] Operation: 87-73=14 Moving to Node #0,1 Current State: 63:[67, 56, 14], Operations: ['87-73=14'] Exploring Operation: 56/14=4, Resulting Numbers: [67, 4] Generated Node #0,1,0: 63:[67, 4] Operation: 56/14=4 Moving to Node #0,1,0 Current State: 63:[67, 4], Operations: ['87-73=14', '56/14=4'] Exploring Operation: 67-4=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 36, 56, 90, 15 ]
18
[ "56-36=20", "20-15=5", "90/5=18" ]
Current State: 18:[36, 56, 90, 15], Operations: [] Exploring Operation: 56-36=20, Resulting Numbers: [90, 15, 20] Generated Node #2: [90, 15, 20] from Operation: 56-36=20 Current State: 18:[90, 15, 20], Operations: ['56-36=20'] Exploring Operation: 20-15=5, Resulting Numbers: [90, 5] Generated Node #3: [90, 5] from Operation: 20-15=5 Current State: 18:[90, 5], Operations: ['56-36=20', '20-15=5'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[36, 56, 90, 15], Operations: [] Exploring Operation: 56-36=20, Resulting Numbers: [90, 15, 20] Generated Node #0,0: 18:[90, 15, 20] Operation: 56-36=20 Exploring Operation: 36-15=21, Resulting Numbers: [56, 90, 21] Generated Node #0,1: 18:[56, 90, 21] Operation: 36-15=21 Exploring Operation: 90-36=54, Resulting Numbers: [56, 15, 54] Generated Node #0,2: 18:[56, 15, 54] Operation: 90-36=54 Exploring Operation: 90-56=34, Resulting Numbers: [36, 15, 34] Generated Node #0,3: 18:[36, 15, 34] Operation: 90-56=34 Exploring Operation: 90/15=6, Resulting Numbers: [36, 56, 6] Generated Node #0,4: 18:[36, 56, 6] Operation: 90/15=6 Moving to Node #0,3 Current State: 18:[36, 15, 34], Operations: ['90-56=34'] Exploring Operation: 36-34=2, Resulting Numbers: [15, 2] Generated Node #0,3,0: 18:[15, 2] Operation: 36-34=2 Exploring Operation: 36+15=51, Resulting Numbers: [34, 51] Generated Node #0,3,1: 18:[34, 51] Operation: 36+15=51 Exploring Operation: 34-15=19, Resulting Numbers: [36, 19] Generated Node #0,3,2: 18:[36, 19] Operation: 34-15=19 Exploring Operation: 36-15=21, Resulting Numbers: [34, 21] Generated Node #0,3,3: 18:[34, 21] Operation: 36-15=21 Exploring Operation: 15+34=49, Resulting Numbers: [36, 49] Generated Node #0,3,4: 18:[36, 49] Operation: 15+34=49 Moving to Node #0,4 Current State: 18:[36, 56, 6], Operations: ['90/15=6'] Exploring Operation: 36-6=30, Resulting Numbers: [56, 30] Generated Node #0,4,0: 18:[56, 30] Operation: 36-6=30 Exploring Operation: 56-36=20, Resulting Numbers: [6, 20] Generated Node #0,4,1: 18:[6, 20] Operation: 56-36=20 Exploring Operation: 36/6=6, Resulting Numbers: [56, 6] Generated Node #0,4,2: 18:[56, 6] Operation: 36/6=6 Exploring Operation: 56-6=50, Resulting Numbers: [36, 50] Generated Node #0,4,3: 18:[36, 50] Operation: 56-6=50 Exploring Operation: 36+6=42, Resulting Numbers: [56, 42] Generated Node #0,4,4: 18:[56, 42] Operation: 36+6=42 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 18:[6, 20], Operations: ['90/15=6', '56-36=20'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,18 unequal: No Solution Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,18 unequal: No Solution Exploring Operation: 6*20=120, Resulting Numbers: [120] 120,18 unequal: No Solution No 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: 18:[56, 6], Operations: ['90/15=6', '36/6=6'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,18 unequal: No Solution Exploring Operation: 56*6=336, Resulting Numbers: [336] 336,18 unequal: No Solution Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,18 unequal: No Solution No 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: 18:[56, 30], Operations: ['90/15=6', '36-6=30'] Exploring Operation: 56+30=86, Resulting Numbers: [86] 86,18 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,18 unequal: No Solution Exploring Operation: 56*30=1680, Resulting Numbers: [1680] 1680,18 unequal: No Solution No 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: 18:[36, 50], Operations: ['90/15=6', '56-6=50'] Exploring Operation: 50-36=14, Resulting Numbers: [14] 14,18 unequal: No Solution Exploring Operation: 36*50=1800, Resulting Numbers: [1800] 1800,18 unequal: No Solution Exploring Operation: 36+50=86, Resulting Numbers: [86] 86,18 unequal: No Solution No 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: 18:[56, 42], Operations: ['90/15=6', '36+6=42'] Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,18 unequal: No Solution Exploring Operation: 56*42=2352, Resulting Numbers: [2352] 2352,18 unequal: No Solution Exploring Operation: 56+42=98, Resulting Numbers: [98] 98,18 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: 18:[90, 15, 20], Operations: ['56-36=20'] Exploring Operation: 20-15=5, Resulting Numbers: [90, 5] Generated Node #0,0,0: 18:[90, 5] Operation: 20-15=5 Exploring Operation: 90-20=70, Resulting Numbers: [15, 70] Generated Node #0,0,1: 18:[15, 70] Operation: 90-20=70 Exploring Operation: 90-15=75, Resulting Numbers: [20, 75] Generated Node #0,0,2: 18:[20, 75] Operation: 90-15=75 Exploring Operation: 90+15=105, Resulting Numbers: [20, 105] Generated Node #0,0,3: 18:[20, 105] Operation: 90+15=105 Exploring Operation: 90/15=6, Resulting Numbers: [20, 6] Generated Node #0,0,4: 18:[20, 6] Operation: 90/15=6 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 18:[20, 6], Operations: ['56-36=20', '90/15=6'] Exploring Operation: 20*6=120, Resulting Numbers: [120] 120,18 unequal: No Solution Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,18 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,18 unequal: No Solution No 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: 18:[15, 70], Operations: ['56-36=20', '90-20=70'] Exploring Operation: 15+70=85, Resulting Numbers: [85] 85,18 unequal: No Solution Exploring Operation: 70-15=55, Resulting Numbers: [55] 55,18 unequal: No Solution Exploring Operation: 15*70=1050, Resulting Numbers: [1050] 1050,18 unequal: No Solution No 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: 18:[20, 75], Operations: ['56-36=20', '90-15=75'] Exploring Operation: 20*75=1500, Resulting Numbers: [1500] 1500,18 unequal: No Solution Exploring Operation: 20+75=95, Resulting Numbers: [95] 95,18 unequal: No Solution Exploring Operation: 75-20=55, Resulting Numbers: [55] 55,18 unequal: No Solution No 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: 18:[90, 5], Operations: ['56-36=20', '20-15=5'] Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,18 unequal: No Solution Exploring Operation: 90*5=450, Resulting Numbers: [450] 450,18 unequal: No Solution Exploring Operation: 90+5=95, Resulting Numbers: [95] 95,18 unequal: No Solution Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[36, 56, 90, 15], Operations: [] Exploring Operation: 56-36=20, Resulting Numbers: [90, 15, 20] Generated Node #0,0: 18:[90, 15, 20] Operation: 56-36=20 Moving to Node #0,0 Current State: 18:[90, 15, 20], Operations: ['56-36=20'] Exploring Operation: 20-15=5, Resulting Numbers: [90, 5] Generated Node #0,0,0: 18:[90, 5] Operation: 20-15=5 Moving to Node #0,0,0 Current State: 18:[90, 5], Operations: ['56-36=20', '20-15=5'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.954861
hs_5
sum_heuristic
[ 17, 13, 85, 82 ]
74
[ "85/17=5", "82-13=69", "5+69=74" ]
Current State: 74:[17, 13, 85, 82], Operations: [] Exploring Operation: 85/17=5, Resulting Numbers: [13, 82, 5] Generated Node #2: [13, 82, 5] from Operation: 85/17=5 Current State: 74:[13, 82, 5], Operations: ['85/17=5'] Exploring Operation: 82-13=69, Resulting Numbers: [5, 69] Generated Node #3: [5, 69] from Operation: 82-13=69 Current State: 74:[5, 69], Operations: ['85/17=5', '82-13=69'] Exploring Operation: 5+69=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[17, 13, 85, 82], Operations: [] Exploring Operation: 17-13=4, Resulting Numbers: [85, 82, 4] Generated Node #0,0: 74:[85, 82, 4] Operation: 17-13=4 Exploring Operation: 85-17=68, Resulting Numbers: [13, 82, 68] Generated Node #0,1: 74:[13, 82, 68] Operation: 85-17=68 Exploring Operation: 85-13=72, Resulting Numbers: [17, 82, 72] Generated Node #0,2: 74:[17, 82, 72] Operation: 85-13=72 Exploring Operation: 85/17=5, Resulting Numbers: [13, 82, 5] Generated Node #0,3: 74:[13, 82, 5] Operation: 85/17=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[85, 82, 4], Operations: ['17-13=4'] Exploring Operation: 85-82=3, Resulting Numbers: [4, 3] Generated Node #0,0,0: 74:[4, 3] Operation: 85-82=3 Exploring Operation: 82-4=78, Resulting Numbers: [85, 78] Generated Node #0,0,1: 74:[85, 78] Operation: 82-4=78 Exploring Operation: 85-4=81, Resulting Numbers: [82, 81] Generated Node #0,0,2: 74:[82, 81] Operation: 85-4=81 Exploring Operation: 85+4=89, Resulting Numbers: [82, 89] Generated Node #0,0,3: 74:[82, 89] Operation: 85+4=89 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 74:[4, 3], Operations: ['17-13=4', '85-82=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,74 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,74 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,74 unequal: No Solution No 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: 74:[85, 78], Operations: ['17-13=4', '82-4=78'] Exploring Operation: 85*78=6630, Resulting Numbers: [6630] 6630,74 unequal: No Solution Exploring Operation: 85-78=7, Resulting Numbers: [7] 7,74 unequal: No Solution Exploring Operation: 85+78=163, Resulting Numbers: [163] 163,74 unequal: No Solution No 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: 74:[82, 81], Operations: ['17-13=4', '85-4=81'] Exploring Operation: 82-81=1, Resulting Numbers: [1] 1,74 unequal: No Solution Exploring Operation: 82+81=163, Resulting Numbers: [163] 163,74 unequal: No Solution Exploring Operation: 82*81=6642, Resulting Numbers: [6642] 6642,74 unequal: No Solution No 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: 74:[82, 89], Operations: ['17-13=4', '85+4=89'] Exploring Operation: 89-82=7, Resulting Numbers: [7] 7,74 unequal: No Solution Exploring Operation: 82*89=7298, Resulting Numbers: [7298] 7298,74 unequal: No Solution Exploring Operation: 82+89=171, Resulting Numbers: [171] 171,74 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: 74:[13, 82, 5], Operations: ['85/17=5'] Exploring Operation: 13-5=8, Resulting Numbers: [82, 8] Generated Node #0,3,0: 74:[82, 8] Operation: 13-5=8 Exploring Operation: 13*5=65, Resulting Numbers: [82, 65] Generated Node #0,3,1: 74:[82, 65] Operation: 13*5=65 Exploring Operation: 82-13=69, Resulting Numbers: [5, 69] Generated Node #0,3,2: 74:[5, 69] Operation: 82-13=69 Exploring Operation: 82-5=77, Resulting Numbers: [13, 77] Generated Node #0,3,3: 74:[13, 77] Operation: 82-5=77 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 74:[5, 69], Operations: ['85/17=5', '82-13=69'] Exploring Operation: 5+69=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[17, 13, 85, 82], Operations: [] Exploring Operation: 85/17=5, Resulting Numbers: [13, 82, 5] Generated Node #0,3: 74:[13, 82, 5] Operation: 85/17=5 Moving to Node #0,3 Current State: 74:[13, 82, 5], Operations: ['85/17=5'] Exploring Operation: 82-13=69, Resulting Numbers: [5, 69] Generated Node #0,3,2: 74:[5, 69] Operation: 82-13=69 Moving to Node #0,3,2 Current State: 74:[5, 69], Operations: ['85/17=5', '82-13=69'] Exploring Operation: 5+69=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.974826
hs_4
mult_heuristic
[ 17, 71, 31, 75 ]
18
[ "17+71=88", "31+75=106", "106-88=18" ]
Current State: 18:[17, 71, 31, 75], Operations: [] Exploring Operation: 17+71=88, Resulting Numbers: [31, 75, 88] Generated Node #2: [31, 75, 88] from Operation: 17+71=88 Current State: 18:[31, 75, 88], Operations: ['17+71=88'] Exploring Operation: 31+75=106, Resulting Numbers: [88, 106] Generated Node #3: [88, 106] from Operation: 31+75=106 Current State: 18:[88, 106], Operations: ['17+71=88', '31+75=106'] Exploring Operation: 106-88=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[17, 71, 31, 75], Operations: [] Exploring Operation: 75-31=44, Resulting Numbers: [17, 71, 44] Generated Node #0,0: 18:[17, 71, 44] Operation: 75-31=44 Exploring Operation: 71-17=54, Resulting Numbers: [31, 75, 54] Generated Node #0,1: 18:[31, 75, 54] Operation: 71-17=54 Exploring Operation: 75-71=4, Resulting Numbers: [17, 31, 4] Generated Node #0,2: 18:[17, 31, 4] Operation: 75-71=4 Exploring Operation: 75-17=58, Resulting Numbers: [71, 31, 58] Generated Node #0,3: 18:[71, 31, 58] Operation: 75-17=58 Exploring Operation: 71-31=40, Resulting Numbers: [17, 75, 40] Generated Node #0,4: 18:[17, 75, 40] Operation: 71-31=40 Moving to Node #0,2 Current State: 18:[17, 31, 4], Operations: ['75-71=4'] Exploring Operation: 17+4=21, Resulting Numbers: [31, 21] Generated Node #0,2,0: 18:[31, 21] Operation: 17+4=21 Exploring Operation: 31-4=27, Resulting Numbers: [17, 27] Generated Node #0,2,1: 18:[17, 27] Operation: 31-4=27 Exploring Operation: 31-17=14, Resulting Numbers: [4, 14] Generated Node #0,2,2: 18:[4, 14] Operation: 31-17=14 Exploring Operation: 31+4=35, Resulting Numbers: [17, 35] Generated Node #0,2,3: 18:[17, 35] Operation: 31+4=35 Exploring Operation: 17-4=13, Resulting Numbers: [31, 13] Generated Node #0,2,4: 18:[31, 13] Operation: 17-4=13 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 18:[4, 14], Operations: ['75-71=4', '31-17=14'] Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,18 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[17, 71, 31, 75], Operations: [] Exploring Operation: 75-71=4, Resulting Numbers: [17, 31, 4] Generated Node #0,2: 18:[17, 31, 4] Operation: 75-71=4 Moving to Node #0,2 Current State: 18:[17, 31, 4], Operations: ['75-71=4'] Exploring Operation: 31-17=14, Resulting Numbers: [4, 14] Generated Node #0,2,2: 18:[4, 14] Operation: 31-17=14 Moving to Node #0,2,2 Current State: 18:[4, 14], Operations: ['75-71=4', '31-17=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 51, 60, 94, 5 ]
98
[ "60-51=9", "94-5=89", "9+89=98" ]
Current State: 98:[51, 60, 94, 5], Operations: [] Exploring Operation: 60-51=9, Resulting Numbers: [94, 5, 9] Generated Node #2: [94, 5, 9] from Operation: 60-51=9 Current State: 98:[94, 5, 9], Operations: ['60-51=9'] Exploring Operation: 94-5=89, Resulting Numbers: [9, 89] Generated Node #3: [9, 89] from Operation: 94-5=89 Current State: 98:[9, 89], Operations: ['60-51=9', '94-5=89'] Exploring Operation: 9+89=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[51, 60, 94, 5], Operations: [] Exploring Operation: 94+5=99, Resulting Numbers: [51, 60, 99] Generated Node #0,0: 98:[51, 60, 99] Operation: 94+5=99 Exploring Operation: 60-51=9, Resulting Numbers: [94, 5, 9] Generated Node #0,1: 98:[94, 5, 9] Operation: 60-51=9 Exploring Operation: 60-5=55, Resulting Numbers: [51, 94, 55] Generated Node #0,2: 98:[51, 94, 55] Operation: 60-5=55 Exploring Operation: 51-5=46, Resulting Numbers: [60, 94, 46] Generated Node #0,3: 98:[60, 94, 46] Operation: 51-5=46 Exploring Operation: 60/5=12, Resulting Numbers: [51, 94, 12] Generated Node #0,4: 98:[51, 94, 12] Operation: 60/5=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[94, 5, 9], Operations: ['60-51=9'] Exploring Operation: 94+5=99, Resulting Numbers: [9, 99] Generated Node #0,1,0: 98:[9, 99] Operation: 94+5=99 Exploring Operation: 9-5=4, Resulting Numbers: [94, 4] Generated Node #0,1,1: 98:[94, 4] Operation: 9-5=4 Exploring Operation: 5+9=14, Resulting Numbers: [94, 14] Generated Node #0,1,2: 98:[94, 14] Operation: 5+9=14 Exploring Operation: 94+9=103, Resulting Numbers: [5, 103] Generated Node #0,1,3: 98:[5, 103] Operation: 94+9=103 Exploring Operation: 5*9=45, Resulting Numbers: [94, 45] Generated Node #0,1,4: 98:[94, 45] Operation: 5*9=45 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[9, 99], Operations: ['60-51=9', '94+5=99'] Exploring Operation: 99-9=90, Resulting Numbers: [90] 90,98 unequal: No Solution Exploring Operation: 9+99=108, Resulting Numbers: [108] 108,98 unequal: No Solution Exploring Operation: 99/9=11, Resulting Numbers: [11] 11,98 unequal: No Solution Exploring Operation: 9*99=891, Resulting Numbers: [891] 891,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[94, 14], Operations: ['60-51=9', '5+9=14'] Exploring Operation: 94*14=1316, Resulting Numbers: [1316] 1316,98 unequal: No Solution Exploring Operation: 94-14=80, Resulting Numbers: [80] 80,98 unequal: No Solution Exploring Operation: 94+14=108, Resulting Numbers: [108] 108,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[94, 4], Operations: ['60-51=9', '9-5=4'] Exploring Operation: 94-4=90, Resulting Numbers: [90] 90,98 unequal: No Solution Exploring Operation: 94*4=376, Resulting Numbers: [376] 376,98 unequal: No Solution Exploring Operation: 94+4=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[51, 60, 94, 5], Operations: [] Exploring Operation: 60-51=9, Resulting Numbers: [94, 5, 9] Generated Node #0,1: 98:[94, 5, 9] Operation: 60-51=9 Moving to Node #0,1 Current State: 98:[94, 5, 9], Operations: ['60-51=9'] Exploring Operation: 9-5=4, Resulting Numbers: [94, 4] Generated Node #0,1,1: 98:[94, 4] Operation: 9-5=4 Moving to Node #0,1,1 Current State: 98:[94, 4], Operations: ['60-51=9', '9-5=4'] Exploring Operation: 94+4=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_5
sum_heuristic
[ 38, 2, 51, 25 ]
25
[ "38-25=13", "2*13=26", "51-26=25" ]
Current State: 25:[38, 2, 51, 25], Operations: [] Exploring Operation: 38-25=13, Resulting Numbers: [2, 51, 13] Generated Node #2: [2, 51, 13] from Operation: 38-25=13 Current State: 25:[2, 51, 13], Operations: ['38-25=13'] Exploring Operation: 2*13=26, Resulting Numbers: [51, 26] Generated Node #3: [51, 26] from Operation: 2*13=26 Current State: 25:[51, 26], Operations: ['38-25=13', '2*13=26'] Exploring Operation: 51-26=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[38, 2, 51, 25], Operations: [] Exploring Operation: 51-38=13, Resulting Numbers: [2, 25, 13] Generated Node #0,0: 25:[2, 25, 13] Operation: 51-38=13 Exploring Operation: 51-25=26, Resulting Numbers: [38, 2, 26] Generated Node #0,1: 25:[38, 2, 26] Operation: 51-25=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[2, 25, 13], Operations: ['51-38=13'] Exploring Operation: 13-2=11, Resulting Numbers: [25, 11] Generated Node #0,0,0: 25:[25, 11] Operation: 13-2=11 Exploring Operation: 2*13=26, Resulting Numbers: [25, 26] Generated Node #0,0,1: 25:[25, 26] Operation: 2*13=26 Moving to Node #0,0,1 Current State: 25:[25, 26], Operations: ['51-38=13', '2*13=26'] Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,25 unequal: No Solution Exploring Operation: 25+26=51, Resulting Numbers: [51] 51,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[25, 11], Operations: ['51-38=13', '13-2=11'] Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,25 unequal: No Solution Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[38, 2, 26], Operations: ['51-25=26'] Exploring Operation: 38-26=12, Resulting Numbers: [2, 12] Generated Node #0,1,0: 25:[2, 12] Operation: 38-26=12 Exploring Operation: 38/2=19, Resulting Numbers: [26, 19] Generated Node #0,1,1: 25:[26, 19] Operation: 38/2=19 Moving to Node #0,1,1 Current State: 25:[26, 19], Operations: ['51-25=26', '38/2=19'] Exploring Operation: 26+19=45, Resulting Numbers: [45] 45,25 unequal: No Solution Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[2, 12], Operations: ['51-25=26', '38-26=12'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,25 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 13, 52, 75, 54 ]
86
[ "13+52=65", "75-54=21", "65+21=86" ]
Current State: 86:[13, 52, 75, 54], Operations: [] Exploring Operation: 13+52=65, Resulting Numbers: [75, 54, 65] Generated Node #2: [75, 54, 65] from Operation: 13+52=65 Current State: 86:[75, 54, 65], Operations: ['13+52=65'] Exploring Operation: 75-54=21, Resulting Numbers: [65, 21] Generated Node #3: [65, 21] from Operation: 75-54=21 Current State: 86:[65, 21], Operations: ['13+52=65', '75-54=21'] Exploring Operation: 65+21=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[13, 52, 75, 54], Operations: [] Exploring Operation: 54-13=41, Resulting Numbers: [52, 75, 41] Generated Node #0,0: 86:[52, 75, 41] Operation: 54-13=41 Exploring Operation: 13+75=88, Resulting Numbers: [52, 54, 88] Generated Node #0,1: 86:[52, 54, 88] Operation: 13+75=88 Exploring Operation: 54-52=2, Resulting Numbers: [13, 75, 2] Generated Node #0,2: 86:[13, 75, 2] Operation: 54-52=2 Moving to Node #0,0 Current State: 86:[52, 75, 41], Operations: ['54-13=41'] Exploring Operation: 52+41=93, Resulting Numbers: [75, 93] Generated Node #0,0,0: 86:[75, 93] Operation: 52+41=93 Exploring Operation: 52-41=11, Resulting Numbers: [75, 11] Generated Node #0,0,1: 86:[75, 11] Operation: 52-41=11 Exploring Operation: 75-41=34, Resulting Numbers: [52, 34] Generated Node #0,0,2: 86:[52, 34] Operation: 75-41=34 Moving to Node #0,1 Current State: 86:[52, 54, 88], Operations: ['13+75=88'] Exploring Operation: 54-52=2, Resulting Numbers: [88, 2] Generated Node #0,1,0: 86:[88, 2] Operation: 54-52=2 Exploring Operation: 88-52=36, Resulting Numbers: [54, 36] Generated Node #0,1,1: 86:[54, 36] Operation: 88-52=36 Exploring Operation: 88-54=34, Resulting Numbers: [52, 34] Generated Node #0,1,2: 86:[52, 34] Operation: 88-54=34 Moving to Node #0,2 Current State: 86:[13, 75, 2], Operations: ['54-52=2'] Exploring Operation: 13+75=88, Resulting Numbers: [2, 88] Generated Node #0,2,0: 86:[2, 88] Operation: 13+75=88 Exploring Operation: 75-13=62, Resulting Numbers: [2, 62] Generated Node #0,2,1: 86:[2, 62] Operation: 75-13=62 Exploring Operation: 13-2=11, Resulting Numbers: [75, 11] Generated Node #0,2,2: 86:[75, 11] Operation: 13-2=11 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 86:[2, 88], Operations: ['54-52=2', '13+75=88'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,86 unequal: No Solution Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[13, 52, 75, 54], Operations: [] Exploring Operation: 54-52=2, Resulting Numbers: [13, 75, 2] Generated Node #0,2: 86:[13, 75, 2] Operation: 54-52=2 Moving to Node #0,2 Current State: 86:[13, 75, 2], Operations: ['54-52=2'] Exploring Operation: 13+75=88, Resulting Numbers: [2, 88] Generated Node #0,2,0: 86:[2, 88] Operation: 13+75=88 Moving to Node #0,2,0 Current State: 86:[2, 88], Operations: ['54-52=2', '13+75=88'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 29, 1, 32, 35 ]
70
[ "29+1=30", "32-30=2", "35*2=70" ]
Current State: 70:[29, 1, 32, 35], Operations: [] Exploring Operation: 29+1=30, Resulting Numbers: [32, 35, 30] Generated Node #2: [32, 35, 30] from Operation: 29+1=30 Current State: 70:[32, 35, 30], Operations: ['29+1=30'] Exploring Operation: 32-30=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 32-30=2 Current State: 70:[35, 2], Operations: ['29+1=30', '32-30=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[29, 1, 32, 35], Operations: [] Exploring Operation: 32-29=3, Resulting Numbers: [1, 35, 3] Generated Node #0,0: 70:[1, 35, 3] Operation: 32-29=3 Exploring Operation: 35-29=6, Resulting Numbers: [1, 32, 6] Generated Node #0,1: 70:[1, 32, 6] Operation: 35-29=6 Exploring Operation: 29+1=30, Resulting Numbers: [32, 35, 30] Generated Node #0,2: 70:[32, 35, 30] Operation: 29+1=30 Exploring Operation: 1+32=33, Resulting Numbers: [29, 35, 33] Generated Node #0,3: 70:[29, 35, 33] Operation: 1+32=33 Moving to Node #0,0 Current State: 70:[1, 35, 3], Operations: ['32-29=3'] Exploring Operation: 1*35=35, Resulting Numbers: [3, 35] Generated Node #0,0,0: 70:[3, 35] Operation: 1*35=35 Exploring Operation: 1+3=4, Resulting Numbers: [35, 4] Generated Node #0,0,1: 70:[35, 4] Operation: 1+3=4 Exploring Operation: 35/1=35, Resulting Numbers: [3, 35] Generated Node #0,0,2: 70:[3, 35] Operation: 35/1=35 Exploring Operation: 3-1=2, Resulting Numbers: [35, 2] Generated Node #0,0,3: 70:[35, 2] Operation: 3-1=2 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 70:[35, 2], Operations: ['32-29=3', '3-1=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,70 unequal: No Solution Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[29, 1, 32, 35], Operations: [] Exploring Operation: 32-29=3, Resulting Numbers: [1, 35, 3] Generated Node #0,0: 70:[1, 35, 3] Operation: 32-29=3 Moving to Node #0,0 Current State: 70:[1, 35, 3], Operations: ['32-29=3'] Exploring Operation: 3-1=2, Resulting Numbers: [35, 2] Generated Node #0,0,3: 70:[35, 2] Operation: 3-1=2 Moving to Node #0,0,3 Current State: 70:[35, 2], Operations: ['32-29=3', '3-1=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 94, 12, 41, 98 ]
89
[ "98-94=4", "12*4=48", "41+48=89" ]
Current State: 89:[94, 12, 41, 98], Operations: [] Exploring Operation: 98-94=4, Resulting Numbers: [12, 41, 4] Generated Node #2: [12, 41, 4] from Operation: 98-94=4 Current State: 89:[12, 41, 4], Operations: ['98-94=4'] Exploring Operation: 12*4=48, Resulting Numbers: [41, 48] Generated Node #3: [41, 48] from Operation: 12*4=48 Current State: 89:[41, 48], Operations: ['98-94=4', '12*4=48'] Exploring Operation: 41+48=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[94, 12, 41, 98], Operations: [] Exploring Operation: 12+41=53, Resulting Numbers: [94, 98, 53] Generated Node #0,0: 89:[94, 98, 53] Operation: 12+41=53 Exploring Operation: 94+12=106, Resulting Numbers: [41, 98, 106] Generated Node #0,1: 89:[41, 98, 106] Operation: 94+12=106 Exploring Operation: 94-12=82, Resulting Numbers: [41, 98, 82] Generated Node #0,2: 89:[41, 98, 82] Operation: 94-12=82 Exploring Operation: 98-12=86, Resulting Numbers: [94, 41, 86] Generated Node #0,3: 89:[94, 41, 86] Operation: 98-12=86 Moving to Node #0,0 Current State: 89:[94, 98, 53], Operations: ['12+41=53'] Exploring Operation: 94-53=41, Resulting Numbers: [98, 41] Generated Node #0,0,0: 89:[98, 41] Operation: 94-53=41 Exploring Operation: 94+53=147, Resulting Numbers: [98, 147] Generated Node #0,0,1: 89:[98, 147] Operation: 94+53=147 Exploring Operation: 98+53=151, Resulting Numbers: [94, 151] Generated Node #0,0,2: 89:[94, 151] Operation: 98+53=151 Exploring Operation: 98-53=45, Resulting Numbers: [94, 45] Generated Node #0,0,3: 89:[94, 45] Operation: 98-53=45 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 89:[94, 45], Operations: ['12+41=53', '98-53=45'] Exploring Operation: 94*45=4230, Resulting Numbers: [4230] 4230,89 unequal: No Solution Exploring Operation: 94+45=139, Resulting Numbers: [139] 139,89 unequal: No Solution Exploring Operation: 94-45=49, Resulting Numbers: [49] 49,89 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:[98, 41], Operations: ['12+41=53', '94-53=41'] Exploring Operation: 98-41=57, Resulting Numbers: [57] 57,89 unequal: No Solution Exploring Operation: 98+41=139, Resulting Numbers: [139] 139,89 unequal: No Solution Exploring Operation: 98*41=4018, Resulting Numbers: [4018] 4018,89 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:[98, 147], Operations: ['12+41=53', '94+53=147'] Exploring Operation: 98*147=14406, Resulting Numbers: [14406] 14406,89 unequal: No Solution Exploring Operation: 98+147=245, Resulting Numbers: [245] 245,89 unequal: No Solution Exploring Operation: 147-98=49, Resulting Numbers: [49] 49,89 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 #0,0,2 Current State: 89:[94, 151], Operations: ['12+41=53', '98+53=151'] Exploring Operation: 151-94=57, Resulting Numbers: [57] 57,89 unequal: No Solution Exploring Operation: 94*151=14194, Resulting Numbers: [14194] 14194,89 unequal: No Solution Exploring Operation: 94+151=245, Resulting Numbers: [245] 245,89 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: 89:[94, 41, 86], Operations: ['98-12=86'] Exploring Operation: 94-41=53, Resulting Numbers: [86, 53] Generated Node #0,3,0: 89:[86, 53] Operation: 94-41=53 Exploring Operation: 94+41=135, Resulting Numbers: [86, 135] Generated Node #0,3,1: 89:[86, 135] Operation: 94+41=135 Exploring Operation: 86-41=45, Resulting Numbers: [94, 45] Generated Node #0,3,2: 89:[94, 45] Operation: 86-41=45 Exploring Operation: 41+86=127, Resulting Numbers: [94, 127] Generated Node #0,3,3: 89:[94, 127] Operation: 41+86=127 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 89:[86, 53], Operations: ['98-12=86', '94-41=53'] Exploring Operation: 86*53=4558, Resulting Numbers: [4558] 4558,89 unequal: No Solution Exploring Operation: 86-53=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 86+53=139, Resulting Numbers: [139] 139,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 89:[94, 127], Operations: ['98-12=86', '41+86=127'] Exploring Operation: 94*127=11938, Resulting Numbers: [11938] 11938,89 unequal: No Solution Exploring Operation: 94+127=221, Resulting Numbers: [221] 221,89 unequal: No Solution Exploring Operation: 127-94=33, Resulting Numbers: [33] 33,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 89:[86, 135], Operations: ['98-12=86', '94+41=135'] Exploring Operation: 135-86=49, Resulting Numbers: [49] 49,89 unequal: No Solution Exploring Operation: 86*135=11610, Resulting Numbers: [11610] 11610,89 unequal: No Solution Exploring Operation: 86+135=221, Resulting Numbers: [221] 221,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 89:[94, 45], Operations: ['98-12=86', '86-41=45'] Exploring Operation: 94+45=139, Resulting Numbers: [139] 139,89 unequal: No Solution Exploring Operation: 94-45=49, Resulting Numbers: [49] 49,89 unequal: No Solution Exploring Operation: 94*45=4230, Resulting Numbers: [4230] 4230,89 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:[41, 98, 82], Operations: ['94-12=82'] Exploring Operation: 82-41=41, Resulting Numbers: [98, 41] Generated Node #0,2,0: 89:[98, 41] Operation: 82-41=41 Exploring Operation: 41+98=139, Resulting Numbers: [82, 139] Generated Node #0,2,1: 89:[82, 139] Operation: 41+98=139 Exploring Operation: 98-41=57, Resulting Numbers: [82, 57] Generated Node #0,2,2: 89:[82, 57] Operation: 98-41=57 Exploring Operation: 41+82=123, Resulting Numbers: [98, 123] Generated Node #0,2,3: 89:[98, 123] Operation: 41+82=123 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 89:[82, 57], Operations: ['94-12=82', '98-41=57'] Exploring Operation: 82+57=139, Resulting Numbers: [139] 139,89 unequal: No Solution Exploring Operation: 82-57=25, Resulting Numbers: [25] 25,89 unequal: No Solution Exploring Operation: 82*57=4674, Resulting Numbers: [4674] 4674,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 89:[98, 123], Operations: ['94-12=82', '41+82=123'] Exploring Operation: 98+123=221, Resulting Numbers: [221] 221,89 unequal: No Solution Exploring Operation: 98*123=12054, Resulting Numbers: [12054] 12054,89 unequal: No Solution Exploring Operation: 123-98=25, Resulting Numbers: [25] 25,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[98, 41], Operations: ['94-12=82', '82-41=41'] Exploring Operation: 98+41=139, Resulting Numbers: [139] 139,89 unequal: No Solution Exploring Operation: 98-41=57, Resulting Numbers: [57] 57,89 unequal: No Solution Exploring Operation: 98*41=4018, Resulting Numbers: [4018] 4018,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 89:[82, 139], Operations: ['94-12=82', '41+98=139'] Exploring Operation: 139-82=57, Resulting Numbers: [57] 57,89 unequal: No Solution Exploring Operation: 82*139=11398, Resulting Numbers: [11398] 11398,89 unequal: No Solution Exploring Operation: 82+139=221, Resulting Numbers: [221] 221,89 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:[41, 98, 106], Operations: ['94+12=106'] Exploring Operation: 41+98=139, Resulting Numbers: [106, 139] Generated Node #0,1,0: 89:[106, 139] Operation: 41+98=139 Exploring Operation: 41+106=147, Resulting Numbers: [98, 147] Generated Node #0,1,1: 89:[98, 147] Operation: 41+106=147 Exploring Operation: 98-41=57, Resulting Numbers: [106, 57] Generated Node #0,1,2: 89:[106, 57] Operation: 98-41=57 Exploring Operation: 106-41=65, Resulting Numbers: [98, 65] Generated Node #0,1,3: 89:[98, 65] Operation: 106-41=65 Moving to Node #0,1,3 Current State: 89:[98, 65], Operations: ['94+12=106', '106-41=65'] Exploring Operation: 98-65=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 98*65=6370, Resulting Numbers: [6370] 6370,89 unequal: No Solution Exploring Operation: 98+65=163, Resulting Numbers: [163] 163,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[106, 57], Operations: ['94+12=106', '98-41=57'] Exploring Operation: 106+57=163, Resulting Numbers: [163] 163,89 unequal: No Solution Exploring Operation: 106-57=49, Resulting Numbers: [49] 49,89 unequal: No Solution Exploring Operation: 106*57=6042, Resulting Numbers: [6042] 6042,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[98, 147], Operations: ['94+12=106', '41+106=147'] Exploring Operation: 98*147=14406, Resulting Numbers: [14406] 14406,89 unequal: No Solution Exploring Operation: 147-98=49, Resulting Numbers: [49] 49,89 unequal: No Solution Exploring Operation: 98+147=245, Resulting Numbers: [245] 245,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[106, 139], Operations: ['94+12=106', '41+98=139'] Exploring Operation: 139-106=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 106*139=14734, Resulting Numbers: [14734] 14734,89 unequal: No Solution Exploring Operation: 106+139=245, Resulting Numbers: [245] 245,89 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 79, 5, 83, 89 ]
68
[ "79-5=74", "89-83=6", "74-6=68" ]
Current State: 68:[79, 5, 83, 89], Operations: [] Exploring Operation: 79-5=74, Resulting Numbers: [83, 89, 74] Generated Node #2: [83, 89, 74] from Operation: 79-5=74 Current State: 68:[83, 89, 74], Operations: ['79-5=74'] Exploring Operation: 89-83=6, Resulting Numbers: [74, 6] Generated Node #3: [74, 6] from Operation: 89-83=6 Current State: 68:[74, 6], Operations: ['79-5=74', '89-83=6'] Exploring Operation: 74-6=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[79, 5, 83, 89], Operations: [] Exploring Operation: 89-83=6, Resulting Numbers: [79, 5, 6] Generated Node #0,0: 68:[79, 5, 6] Operation: 89-83=6 Exploring Operation: 79-5=74, Resulting Numbers: [83, 89, 74] Generated Node #0,1: 68:[83, 89, 74] Operation: 79-5=74 Exploring Operation: 89-79=10, Resulting Numbers: [5, 83, 10] Generated Node #0,2: 68:[5, 83, 10] Operation: 89-79=10 Exploring Operation: 83-79=4, Resulting Numbers: [5, 89, 4] Generated Node #0,3: 68:[5, 89, 4] Operation: 83-79=4 Moving to Node #0,0 Current State: 68:[79, 5, 6], Operations: ['89-83=6'] Exploring Operation: 6-5=1, Resulting Numbers: [79, 1] Generated Node #0,0,0: 68:[79, 1] Operation: 6-5=1 Exploring Operation: 79-5=74, Resulting Numbers: [6, 74] Generated Node #0,0,1: 68:[6, 74] Operation: 79-5=74 Exploring Operation: 79-6=73, Resulting Numbers: [5, 73] Generated Node #0,0,2: 68:[5, 73] Operation: 79-6=73 Exploring Operation: 5*6=30, Resulting Numbers: [79, 30] Generated Node #0,0,3: 68:[79, 30] Operation: 5*6=30 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 68:[5, 73], Operations: ['89-83=6', '79-6=73'] Exploring Operation: 5+73=78, Resulting Numbers: [78] 78,68 unequal: No Solution Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[79, 5, 83, 89], Operations: [] Exploring Operation: 89-83=6, Resulting Numbers: [79, 5, 6] Generated Node #0,0: 68:[79, 5, 6] Operation: 89-83=6 Moving to Node #0,0 Current State: 68:[79, 5, 6], Operations: ['89-83=6'] Exploring Operation: 79-6=73, Resulting Numbers: [5, 73] Generated Node #0,0,2: 68:[5, 73] Operation: 79-6=73 Moving to Node #0,0,2 Current State: 68:[5, 73], Operations: ['89-83=6', '79-6=73'] Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 85, 3, 55, 84 ]
58
[ "85-55=30", "84/3=28", "30+28=58" ]
Current State: 58:[85, 3, 55, 84], Operations: [] Exploring Operation: 85-55=30, Resulting Numbers: [3, 84, 30] Generated Node #2: [3, 84, 30] from Operation: 85-55=30 Current State: 58:[3, 84, 30], Operations: ['85-55=30'] Exploring Operation: 84/3=28, Resulting Numbers: [30, 28] Generated Node #3: [30, 28] from Operation: 84/3=28 Current State: 58:[30, 28], Operations: ['85-55=30', '84/3=28'] Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[85, 3, 55, 84], Operations: [] Exploring Operation: 85-84=1, Resulting Numbers: [3, 55, 1] Generated Node #0,0: 58:[3, 55, 1] Operation: 85-84=1 Moving to Node #0,0 Current State: 58:[3, 55, 1], Operations: ['85-84=1'] Exploring Operation: 3+55=58, Resulting Numbers: [1, 58] Generated Node #0,0,0: 58:[1, 58] Operation: 3+55=58 Moving to Node #0,0,0 Current State: 58:[1, 58], Operations: ['85-84=1', '3+55=58'] Exploring Operation: 1*58=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[85, 3, 55, 84], Operations: [] Exploring Operation: 85-84=1, Resulting Numbers: [3, 55, 1] Generated Node #0,0: 58:[3, 55, 1] Operation: 85-84=1 Moving to Node #0,0 Current State: 58:[3, 55, 1], Operations: ['85-84=1'] Exploring Operation: 3+55=58, Resulting Numbers: [1, 58] Generated Node #0,0,0: 58:[1, 58] Operation: 3+55=58 Moving to Node #0,0,0 Current State: 58:[1, 58], Operations: ['85-84=1', '3+55=58'] Exploring Operation: 1*58=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 1, 55, 90, 86 ]
11
[ "1+90=91", "91-86=5", "55/5=11" ]
Current State: 11:[1, 55, 90, 86], Operations: [] Exploring Operation: 1+90=91, Resulting Numbers: [55, 86, 91] Generated Node #2: [55, 86, 91] from Operation: 1+90=91 Current State: 11:[55, 86, 91], Operations: ['1+90=91'] Exploring Operation: 91-86=5, Resulting Numbers: [55, 5] Generated Node #3: [55, 5] from Operation: 91-86=5 Current State: 11:[55, 5], Operations: ['1+90=91', '91-86=5'] Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[1, 55, 90, 86], Operations: [] Exploring Operation: 90-86=4, Resulting Numbers: [1, 55, 4] Generated Node #0,0: 11:[1, 55, 4] Operation: 90-86=4 Exploring Operation: 90-55=35, Resulting Numbers: [1, 86, 35] Generated Node #0,1: 11:[1, 86, 35] Operation: 90-55=35 Moving to Node #0,0 Current State: 11:[1, 55, 4], Operations: ['90-86=4'] Exploring Operation: 55-1=54, Resulting Numbers: [4, 54] Generated Node #0,0,0: 11:[4, 54] Operation: 55-1=54 Exploring Operation: 1+4=5, Resulting Numbers: [55, 5] Generated Node #0,0,1: 11:[55, 5] Operation: 1+4=5 Moving to Node #0,1 Current State: 11:[1, 86, 35], Operations: ['90-55=35'] Exploring Operation: 86-1=85, Resulting Numbers: [35, 85] Generated Node #0,1,0: 11:[35, 85] Operation: 86-1=85 Exploring Operation: 86-35=51, Resulting Numbers: [1, 51] Generated Node #0,1,1: 11:[1, 51] Operation: 86-35=51 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 11:[1, 51], Operations: ['90-55=35', '86-35=51'] Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 1*51=51, Resulting Numbers: [51] 51,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 11:[35, 85], Operations: ['90-55=35', '86-1=85'] Exploring Operation: 85-35=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 35+85=120, Resulting Numbers: [120] 120,11 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: 11:[4, 54], Operations: ['90-86=4', '55-1=54'] Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 4+54=58, Resulting Numbers: [58] 58,11 unequal: No Solution Moving to Node #0,0,1 Current State: 11:[55, 5], Operations: ['90-86=4', '1+4=5'] Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[1, 55, 90, 86], Operations: [] Exploring Operation: 90-86=4, Resulting Numbers: [1, 55, 4] Generated Node #0,0: 11:[1, 55, 4] Operation: 90-86=4 Moving to Node #0,0 Current State: 11:[1, 55, 4], Operations: ['90-86=4'] Exploring Operation: 1+4=5, Resulting Numbers: [55, 5] Generated Node #0,0,1: 11:[55, 5] Operation: 1+4=5 Moving to Node #0,0,1 Current State: 11:[55, 5], Operations: ['90-86=4', '1+4=5'] Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
0.985243
hs_2
sum_heuristic
[ 55, 14, 4, 31 ]
31
[ "14*4=56", "56-55=1", "31*1=31" ]
Current State: 31:[55, 14, 4, 31], Operations: [] Exploring Operation: 14*4=56, Resulting Numbers: [55, 31, 56] Generated Node #2: [55, 31, 56] from Operation: 14*4=56 Current State: 31:[55, 31, 56], Operations: ['14*4=56'] Exploring Operation: 56-55=1, Resulting Numbers: [31, 1] Generated Node #3: [31, 1] from Operation: 56-55=1 Current State: 31:[31, 1], Operations: ['14*4=56', '56-55=1'] Exploring Operation: 31*1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[55, 14, 4, 31], Operations: [] Exploring Operation: 55-14=41, Resulting Numbers: [4, 31, 41] Generated Node #0,0: 31:[4, 31, 41] Operation: 55-14=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[4, 31, 41], Operations: ['55-14=41'] Exploring Operation: 41-4=37, Resulting Numbers: [31, 37] Generated Node #0,0,0: 31:[31, 37] Operation: 41-4=37 Moving to Node #0,0,0 Current State: 31:[31, 37], Operations: ['55-14=41', '41-4=37'] Exploring Operation: 37-31=6, Resulting Numbers: [6] 6,31 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
[ 43, 3, 41, 69 ]
75
[ "43-41=2", "3*2=6", "69+6=75" ]
Current State: 75:[43, 3, 41, 69], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [3, 69, 2] Generated Node #2: [3, 69, 2] from Operation: 43-41=2 Current State: 75:[3, 69, 2], Operations: ['43-41=2'] Exploring Operation: 3*2=6, Resulting Numbers: [69, 6] Generated Node #3: [69, 6] from Operation: 3*2=6 Current State: 75:[69, 6], Operations: ['43-41=2', '3*2=6'] Exploring Operation: 69+6=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[43, 3, 41, 69], Operations: [] Exploring Operation: 43+41=84, Resulting Numbers: [3, 69, 84] Generated Node #0,0: 75:[3, 69, 84] Operation: 43+41=84 Exploring Operation: 43-41=2, Resulting Numbers: [3, 69, 2] Generated Node #0,1: 75:[3, 69, 2] Operation: 43-41=2 Exploring Operation: 69-43=26, Resulting Numbers: [3, 41, 26] Generated Node #0,2: 75:[3, 41, 26] Operation: 69-43=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[3, 69, 2], Operations: ['43-41=2'] Exploring Operation: 69/3=23, Resulting Numbers: [2, 23] Generated Node #0,1,0: 75:[2, 23] Operation: 69/3=23 Exploring Operation: 69+2=71, Resulting Numbers: [3, 71] Generated Node #0,1,1: 75:[3, 71] Operation: 69+2=71 Exploring Operation: 3+69=72, Resulting Numbers: [2, 72] Generated Node #0,1,2: 75:[2, 72] Operation: 3+69=72 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 75:[2, 23], Operations: ['43-41=2', '69/3=23'] Exploring Operation: 2+23=25, Resulting Numbers: [25] 25,75 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,75 unequal: No Solution Exploring Operation: 2*23=46, Resulting Numbers: [46] 46,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 75:[3, 71], Operations: ['43-41=2', '69+2=71'] Exploring Operation: 3+71=74, Resulting Numbers: [74] 74,75 unequal: No Solution Exploring Operation: 3*71=213, Resulting Numbers: [213] 213,75 unequal: No Solution Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 75:[2, 72], Operations: ['43-41=2', '3+69=72'] Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,75 unequal: No Solution Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,75 unequal: No Solution Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[3, 69, 84], Operations: ['43+41=84'] Exploring Operation: 84-69=15, Resulting Numbers: [3, 15] Generated Node #0,0,0: 75:[3, 15] Operation: 84-69=15 Exploring Operation: 84/3=28, Resulting Numbers: [69, 28] Generated Node #0,0,1: 75:[69, 28] Operation: 84/3=28 Exploring Operation: 69/3=23, Resulting Numbers: [84, 23] Generated Node #0,0,2: 75:[84, 23] Operation: 69/3=23 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[3, 15], Operations: ['43+41=84', '84-69=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,75 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 75:[69, 28], Operations: ['43+41=84', '84/3=28'] Exploring Operation: 69+28=97, Resulting Numbers: [97] 97,75 unequal: No Solution Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,75 unequal: No Solution Exploring Operation: 69*28=1932, Resulting Numbers: [1932] 1932,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 75:[84, 23], Operations: ['43+41=84', '69/3=23'] Exploring Operation: 84+23=107, Resulting Numbers: [107] 107,75 unequal: No Solution Exploring Operation: 84*23=1932, Resulting Numbers: [1932] 1932,75 unequal: No Solution Exploring Operation: 84-23=61, Resulting Numbers: [61] 61,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[3, 41, 26], Operations: ['69-43=26'] Exploring Operation: 41+26=67, Resulting Numbers: [3, 67] Generated Node #0,2,0: 75:[3, 67] Operation: 41+26=67 Exploring Operation: 41-3=38, Resulting Numbers: [26, 38] Generated Node #0,2,1: 75:[26, 38] Operation: 41-3=38 Exploring Operation: 41-26=15, Resulting Numbers: [3, 15] Generated Node #0,2,2: 75:[3, 15] Operation: 41-26=15 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 75:[3, 15], Operations: ['69-43=26', '41-26=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,75 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,75 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 75:[3, 67], Operations: ['69-43=26', '41+26=67'] Exploring Operation: 3*67=201, Resulting Numbers: [201] 201,75 unequal: No Solution Exploring Operation: 3+67=70, Resulting Numbers: [70] 70,75 unequal: No Solution Exploring Operation: 67-3=64, Resulting Numbers: [64] 64,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 75:[26, 38], Operations: ['69-43=26', '41-3=38'] Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,75 unequal: No Solution Exploring Operation: 26*38=988, Resulting Numbers: [988] 988,75 unequal: No Solution Exploring Operation: 26+38=64, Resulting Numbers: [64] 64,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 87, 90, 30, 28 ]
56
[ "87-28=59", "90/30=3", "59-3=56" ]
Current State: 56:[87, 90, 30, 28], Operations: [] Exploring Operation: 87-28=59, Resulting Numbers: [90, 30, 59] Generated Node #2: [90, 30, 59] from Operation: 87-28=59 Current State: 56:[90, 30, 59], Operations: ['87-28=59'] Exploring Operation: 90/30=3, Resulting Numbers: [59, 3] Generated Node #3: [59, 3] from Operation: 90/30=3 Current State: 56:[59, 3], Operations: ['87-28=59', '90/30=3'] Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[87, 90, 30, 28], Operations: [] Exploring Operation: 90/30=3, Resulting Numbers: [87, 28, 3] Generated Node #0,0: 56:[87, 28, 3] Operation: 90/30=3 Exploring Operation: 90-30=60, Resulting Numbers: [87, 28, 60] Generated Node #0,1: 56:[87, 28, 60] Operation: 90-30=60 Exploring Operation: 87-30=57, Resulting Numbers: [90, 28, 57] Generated Node #0,2: 56:[90, 28, 57] Operation: 87-30=57 Exploring Operation: 90-87=3, Resulting Numbers: [30, 28, 3] Generated Node #0,3: 56:[30, 28, 3] Operation: 90-87=3 Start Sub Search at level 1: Moving to Node #0,3 Current State: 56:[30, 28, 3], Operations: ['90-87=3'] Exploring Operation: 30-3=27, Resulting Numbers: [28, 27] Generated Node #0,3,0: 56:[28, 27] Operation: 30-3=27 Exploring Operation: 30-28=2, Resulting Numbers: [3, 2] Generated Node #0,3,1: 56:[3, 2] Operation: 30-28=2 Exploring Operation: 30+28=58, Resulting Numbers: [3, 58] Generated Node #0,3,2: 56:[3, 58] Operation: 30+28=58 Exploring Operation: 30/3=10, Resulting Numbers: [28, 10] Generated Node #0,3,3: 56:[28, 10] Operation: 30/3=10 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 56:[28, 27], Operations: ['90-87=3', '30-3=27'] Exploring Operation: 28*27=756, Resulting Numbers: [756] 756,56 unequal: No Solution Exploring Operation: 28-27=1, Resulting Numbers: [1] 1,56 unequal: No Solution Exploring Operation: 28+27=55, Resulting Numbers: [55] 55,56 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 #0,3,1 Current State: 56:[3, 2], Operations: ['90-87=3', '30-28=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,56 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,56 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,56 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 #0,3,3 Current State: 56:[28, 10], Operations: ['90-87=3', '30/3=10'] Exploring Operation: 28*10=280, Resulting Numbers: [280] 280,56 unequal: No Solution Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,56 unequal: No Solution Exploring Operation: 28+10=38, Resulting Numbers: [38] 38,56 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 #0,3,2 Current State: 56:[3, 58], Operations: ['90-87=3', '30+28=58'] Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,56 unequal: No Solution Exploring Operation: 3+58=61, Resulting Numbers: [61] 61,56 unequal: No Solution Exploring Operation: 3*58=174, Resulting Numbers: [174] 174,56 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: 56:[87, 28, 3], Operations: ['90/30=3'] Exploring Operation: 87/3=29, Resulting Numbers: [28, 29] Generated Node #0,0,0: 56:[28, 29] Operation: 87/3=29 Exploring Operation: 87-28=59, Resulting Numbers: [3, 59] Generated Node #0,0,1: 56:[3, 59] Operation: 87-28=59 Exploring Operation: 87-3=84, Resulting Numbers: [28, 84] Generated Node #0,0,2: 56:[28, 84] Operation: 87-3=84 Exploring Operation: 87+3=90, Resulting Numbers: [28, 90] Generated Node #0,0,3: 56:[28, 90] Operation: 87+3=90 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 56:[28, 29], Operations: ['90/30=3', '87/3=29'] Exploring Operation: 28*29=812, Resulting Numbers: [812] 812,56 unequal: No Solution Exploring Operation: 28+29=57, Resulting Numbers: [57] 57,56 unequal: No Solution Exploring Operation: 29-28=1, Resulting Numbers: [1] 1,56 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 #0,0,1 Current State: 56:[3, 59], Operations: ['90/30=3', '87-28=59'] Exploring Operation: 3+59=62, Resulting Numbers: [62] 62,56 unequal: No Solution Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[87, 90, 30, 28], Operations: [] Exploring Operation: 90/30=3, Resulting Numbers: [87, 28, 3] Generated Node #0,0: 56:[87, 28, 3] Operation: 90/30=3 Moving to Node #0,0 Current State: 56:[87, 28, 3], Operations: ['90/30=3'] Exploring Operation: 87-28=59, Resulting Numbers: [3, 59] Generated Node #0,0,1: 56:[3, 59] Operation: 87-28=59 Moving to Node #0,0,1 Current State: 56:[3, 59], Operations: ['90/30=3', '87-28=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
0.971354
hs_4
sum_heuristic
[ 91, 2, 16, 84 ]
61
[ "91+16=107", "2*84=168", "168-107=61" ]
Current State: 61:[91, 2, 16, 84], Operations: [] Exploring Operation: 91+16=107, Resulting Numbers: [2, 84, 107] Generated Node #2: [2, 84, 107] from Operation: 91+16=107 Current State: 61:[2, 84, 107], Operations: ['91+16=107'] Exploring Operation: 2*84=168, Resulting Numbers: [107, 168] Generated Node #3: [107, 168] from Operation: 2*84=168 Current State: 61:[107, 168], Operations: ['91+16=107', '2*84=168'] Exploring Operation: 168-107=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[91, 2, 16, 84], Operations: [] Exploring Operation: 84/2=42, Resulting Numbers: [91, 16, 42] Generated Node #0,0: 61:[91, 16, 42] Operation: 84/2=42 Exploring Operation: 2*16=32, Resulting Numbers: [91, 84, 32] Generated Node #0,1: 61:[91, 84, 32] Operation: 2*16=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[91, 84, 32], Operations: ['2*16=32'] Exploring Operation: 84-32=52, Resulting Numbers: [91, 52] Generated Node #0,1,0: 61:[91, 52] Operation: 84-32=52 Exploring Operation: 91-32=59, Resulting Numbers: [84, 59] Generated Node #0,1,1: 61:[84, 59] Operation: 91-32=59 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 61:[84, 59], Operations: ['2*16=32', '91-32=59'] Exploring Operation: 84-59=25, Resulting Numbers: [25] 25,61 unequal: No Solution Exploring Operation: 84+59=143, Resulting Numbers: [143] 143,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 61:[91, 52], Operations: ['2*16=32', '84-32=52'] Exploring Operation: 91-52=39, Resulting Numbers: [39] 39,61 unequal: No Solution Exploring Operation: 91+52=143, Resulting Numbers: [143] 143,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[91, 16, 42], Operations: ['84/2=42'] Exploring Operation: 16+42=58, Resulting Numbers: [91, 58] Generated Node #0,0,0: 61:[91, 58] Operation: 16+42=58 Exploring Operation: 91-16=75, Resulting Numbers: [42, 75] Generated Node #0,0,1: 61:[42, 75] Operation: 91-16=75 Moving to Node #0,0,0 Current State: 61:[91, 58], Operations: ['84/2=42', '16+42=58'] Exploring Operation: 91+58=149, Resulting Numbers: [149] 149,61 unequal: No Solution Exploring Operation: 91-58=33, Resulting Numbers: [33] 33,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[42, 75], Operations: ['84/2=42', '91-16=75'] Exploring Operation: 75-42=33, Resulting Numbers: [33] 33,61 unequal: No Solution Exploring Operation: 42+75=117, Resulting Numbers: [117] 117,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 84, 17, 8, 23 ]
82
[ "84-17=67", "23-8=15", "67+15=82" ]
Current State: 82:[84, 17, 8, 23], Operations: [] Exploring Operation: 84-17=67, Resulting Numbers: [8, 23, 67] Generated Node #2: [8, 23, 67] from Operation: 84-17=67 Current State: 82:[8, 23, 67], Operations: ['84-17=67'] Exploring Operation: 23-8=15, Resulting Numbers: [67, 15] Generated Node #3: [67, 15] from Operation: 23-8=15 Current State: 82:[67, 15], Operations: ['84-17=67', '23-8=15'] Exploring Operation: 67+15=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[84, 17, 8, 23], Operations: [] Exploring Operation: 17+23=40, Resulting Numbers: [84, 8, 40] Generated Node #0,0: 82:[84, 8, 40] Operation: 17+23=40 Moving to Node #0,0 Current State: 82:[84, 8, 40], Operations: ['17+23=40'] Exploring Operation: 40/8=5, Resulting Numbers: [84, 5] Generated Node #0,0,0: 82:[84, 5] Operation: 40/8=5 Moving to Node #0,0,0 Current State: 82:[84, 5], Operations: ['17+23=40', '40/8=5'] Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,82 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 75, 36, 51, 72 ]
12
[ "75+36=111", "51+72=123", "123-111=12" ]
Current State: 12:[75, 36, 51, 72], Operations: [] Exploring Operation: 75+36=111, Resulting Numbers: [51, 72, 111] Generated Node #2: [51, 72, 111] from Operation: 75+36=111 Current State: 12:[51, 72, 111], Operations: ['75+36=111'] Exploring Operation: 51+72=123, Resulting Numbers: [111, 123] Generated Node #3: [111, 123] from Operation: 51+72=123 Current State: 12:[111, 123], Operations: ['75+36=111', '51+72=123'] Exploring Operation: 123-111=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[75, 36, 51, 72], Operations: [] Exploring Operation: 75-51=24, Resulting Numbers: [36, 72, 24] Generated Node #0,0: 12:[36, 72, 24] Operation: 75-51=24 Exploring Operation: 75-72=3, Resulting Numbers: [36, 51, 3] Generated Node #0,1: 12:[36, 51, 3] Operation: 75-72=3 Exploring Operation: 72-51=21, Resulting Numbers: [75, 36, 21] Generated Node #0,2: 12:[75, 36, 21] Operation: 72-51=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[36, 51, 3], Operations: ['75-72=3'] Exploring Operation: 51/3=17, Resulting Numbers: [36, 17] Generated Node #0,1,0: 12:[36, 17] Operation: 51/3=17 Exploring Operation: 51-36=15, Resulting Numbers: [3, 15] Generated Node #0,1,1: 12:[3, 15] Operation: 51-36=15 Exploring Operation: 36/3=12, Resulting Numbers: [51, 12] Generated Node #0,1,2: 12:[51, 12] Operation: 36/3=12 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 12:[3, 15], Operations: ['75-72=3', '51-36=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[75, 36, 51, 72], Operations: [] Exploring Operation: 75-72=3, Resulting Numbers: [36, 51, 3] Generated Node #0,1: 12:[36, 51, 3] Operation: 75-72=3 Moving to Node #0,1 Current State: 12:[36, 51, 3], Operations: ['75-72=3'] Exploring Operation: 51-36=15, Resulting Numbers: [3, 15] Generated Node #0,1,1: 12:[3, 15] Operation: 51-36=15 Moving to Node #0,1,1 Current State: 12:[3, 15], Operations: ['75-72=3', '51-36=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 3, 93, 50, 93 ]
36
[ "3*50=150", "93+93=186", "186-150=36" ]
Current State: 36:[3, 93, 50, 93], Operations: [] Exploring Operation: 3*50=150, Resulting Numbers: [93, 93, 150] Generated Node #2: [93, 93, 150] from Operation: 3*50=150 Current State: 36:[93, 93, 150], Operations: ['3*50=150'] Exploring Operation: 93+93=186, Resulting Numbers: [150, 186] Generated Node #3: [150, 186] from Operation: 93+93=186 Current State: 36:[150, 186], Operations: ['3*50=150', '93+93=186'] Exploring Operation: 186-150=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[3, 93, 50, 93], Operations: [] Exploring Operation: 93-93=0, Resulting Numbers: [3, 50, 0] Generated Node #0,0: 36:[3, 50, 0] Operation: 93-93=0 Exploring Operation: 93/93=1, Resulting Numbers: [3, 50, 1] Generated Node #0,1: 36:[3, 50, 1] Operation: 93/93=1 Exploring Operation: 93-50=43, Resulting Numbers: [3, 93, 43] Generated Node #0,2: 36:[3, 93, 43] Operation: 93-50=43 Exploring Operation: 93-50=43, Resulting Numbers: [3, 93, 43] Generated Node #0,3: 36:[3, 93, 43] Operation: 93-50=43 Moving to Node #0,1 Current State: 36:[3, 50, 1], Operations: ['93/93=1'] Exploring Operation: 50-1=49, Resulting Numbers: [3, 49] Generated Node #0,1,0: 36:[3, 49] Operation: 50-1=49 Exploring Operation: 50-3=47, Resulting Numbers: [1, 47] Generated Node #0,1,1: 36:[1, 47] Operation: 50-3=47 Exploring Operation: 3+1=4, Resulting Numbers: [50, 4] Generated Node #0,1,2: 36:[50, 4] Operation: 3+1=4 Exploring Operation: 3*1=3, Resulting Numbers: [50, 3] Generated Node #0,1,3: 36:[50, 3] Operation: 3*1=3 Moving to Node #0,0 Current State: 36:[3, 50, 0], Operations: ['93-93=0'] Exploring Operation: 3-0=3, Resulting Numbers: [50, 3] Generated Node #0,0,0: 36:[50, 3] Operation: 3-0=3 Exploring Operation: 50-3=47, Resulting Numbers: [0, 47] Generated Node #0,0,1: 36:[0, 47] Operation: 50-3=47 Exploring Operation: 50*0=0, Resulting Numbers: [3, 0] Generated Node #0,0,2: 36:[3, 0] Operation: 50*0=0 Exploring Operation: 3+0=3, Resulting Numbers: [50, 3] Generated Node #0,0,3: 36:[50, 3] Operation: 3+0=3 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 36:[3, 0], Operations: ['93-93=0', '50*0=0'] Exploring Operation: 3*0=0, Resulting Numbers: [0] 0,36 unequal: No Solution Exploring Operation: 3-0=3, Resulting Numbers: [3] 3,36 unequal: No Solution Exploring Operation: 3+0=3, Resulting Numbers: [3] 3,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 36:[0, 47], Operations: ['93-93=0', '50-3=47'] Exploring Operation: 47-0=47, Resulting Numbers: [47] 47,36 unequal: No Solution Exploring Operation: 0+47=47, Resulting Numbers: [47] 47,36 unequal: No Solution Exploring Operation: 0*47=0, Resulting Numbers: [0] 0,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[50, 3], Operations: ['93-93=0', '3-0=3'] Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,36 unequal: No Solution Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 36:[50, 3], Operations: ['93-93=0', '3+0=3'] Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,36 unequal: No Solution Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 36:[3, 93, 43], Operations: ['93-50=43'] Exploring Operation: 43-3=40, Resulting Numbers: [93, 40] Generated Node #0,3,0: 36:[93, 40] Operation: 43-3=40 Exploring Operation: 93-43=50, Resulting Numbers: [3, 50] Generated Node #0,3,1: 36:[3, 50] Operation: 93-43=50 Exploring Operation: 93/3=31, Resulting Numbers: [43, 31] Generated Node #0,3,2: 36:[43, 31] Operation: 93/3=31 Exploring Operation: 93-3=90, Resulting Numbers: [43, 90] Generated Node #0,3,3: 36:[43, 90] Operation: 93-3=90 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 36:[43, 31], Operations: ['93-50=43', '93/3=31'] Exploring Operation: 43+31=74, Resulting Numbers: [74] 74,36 unequal: No Solution Exploring Operation: 43-31=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 43*31=1333, Resulting Numbers: [1333] 1333,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 36:[3, 50], Operations: ['93-50=43', '93-43=50'] Exploring Operation: 3*50=150, Resulting Numbers: [150] 150,36 unequal: No Solution Exploring Operation: 3+50=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 36:[93, 40], Operations: ['93-50=43', '43-3=40'] Exploring Operation: 93-40=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 93*40=3720, Resulting Numbers: [3720] 3720,36 unequal: No Solution Exploring Operation: 93+40=133, Resulting Numbers: [133] 133,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 36:[43, 90], Operations: ['93-50=43', '93-3=90'] Exploring Operation: 43*90=3870, Resulting Numbers: [3870] 3870,36 unequal: No Solution Exploring Operation: 43+90=133, Resulting Numbers: [133] 133,36 unequal: No Solution Exploring Operation: 90-43=47, Resulting Numbers: [47] 47,36 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: 36:[3, 93, 43], Operations: ['93-50=43'] Exploring Operation: 93-3=90, Resulting Numbers: [43, 90] Generated Node #0,2,0: 36:[43, 90] Operation: 93-3=90 Exploring Operation: 43-3=40, Resulting Numbers: [93, 40] Generated Node #0,2,1: 36:[93, 40] Operation: 43-3=40 Exploring Operation: 93/3=31, Resulting Numbers: [43, 31] Generated Node #0,2,2: 36:[43, 31] Operation: 93/3=31 Exploring Operation: 93-43=50, Resulting Numbers: [3, 50] Generated Node #0,2,3: 36:[3, 50] Operation: 93-43=50 Moving to Node #0,1,1 Current State: 36:[1, 47], Operations: ['93/93=1', '50-3=47'] Exploring Operation: 1*47=47, Resulting Numbers: [47] 47,36 unequal: No Solution Exploring Operation: 47/1=47, Resulting Numbers: [47] 47,36 unequal: No Solution Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,36 unequal: No Solution Exploring Operation: 1+47=48, Resulting Numbers: [48] 48,36 unequal: No Solution Moving to Node #0,2,2 Current State: 36:[43, 31], Operations: ['93-50=43', '93/3=31'] Exploring Operation: 43-31=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 43+31=74, Resulting Numbers: [74] 74,36 unequal: No Solution Exploring Operation: 43*31=1333, Resulting Numbers: [1333] 1333,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[3, 49], Operations: ['93/93=1', '50-1=49'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,36 unequal: No Solution Exploring Operation: 3*49=147, Resulting Numbers: [147] 147,36 unequal: No Solution Exploring Operation: 3+49=52, Resulting Numbers: [52] 52,36 unequal: No Solution Moving to Node #0,1,2 Current State: 36:[50, 4], Operations: ['93/93=1', '3+1=4'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,36 unequal: No Solution Exploring Operation: 50+4=54, Resulting Numbers: [54] 54,36 unequal: No Solution Exploring Operation: 50*4=200, Resulting Numbers: [200] 200,36 unequal: No Solution Moving to Node #0,2,3 Current State: 36:[3, 50], Operations: ['93-50=43', '93-43=50'] Exploring Operation: 3+50=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,36 unequal: No Solution Exploring Operation: 3*50=150, Resulting Numbers: [150] 150,36 unequal: No Solution Moving to Node #0,1,3 Current State: 36:[50, 3], Operations: ['93/93=1', '3*1=3'] Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,36 unequal: No Solution Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,36 unequal: No Solution Moving to Node #0,2,0 Current State: 36:[43, 90], Operations: ['93-50=43', '93-3=90'] Exploring Operation: 43*90=3870, Resulting Numbers: [3870] 3870,36 unequal: No Solution Exploring Operation: 43+90=133, Resulting Numbers: [133] 133,36 unequal: No Solution Exploring Operation: 90-43=47, Resulting Numbers: [47] 47,36 unequal: No Solution Moving to Node #0,2,1 Current State: 36:[93, 40], Operations: ['93-50=43', '43-3=40'] Exploring Operation: 93-40=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 93+40=133, Resulting Numbers: [133] 133,36 unequal: No Solution Exploring Operation: 93*40=3720, Resulting Numbers: [3720] 3720,36 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 31, 10, 51, 16 ]
56
[ "31-10=21", "51-16=35", "21+35=56" ]
Current State: 56:[31, 10, 51, 16], Operations: [] Exploring Operation: 31-10=21, Resulting Numbers: [51, 16, 21] Generated Node #2: [51, 16, 21] from Operation: 31-10=21 Current State: 56:[51, 16, 21], Operations: ['31-10=21'] Exploring Operation: 51-16=35, Resulting Numbers: [21, 35] Generated Node #3: [21, 35] from Operation: 51-16=35 Current State: 56:[21, 35], Operations: ['31-10=21', '51-16=35'] Exploring Operation: 21+35=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[31, 10, 51, 16], Operations: [] Exploring Operation: 16-10=6, Resulting Numbers: [31, 51, 6] Generated Node #0,0: 56:[31, 51, 6] Operation: 16-10=6 Exploring Operation: 31-16=15, Resulting Numbers: [10, 51, 15] Generated Node #0,1: 56:[10, 51, 15] Operation: 31-16=15 Exploring Operation: 51-31=20, Resulting Numbers: [10, 16, 20] Generated Node #0,2: 56:[10, 16, 20] Operation: 51-31=20 Moving to Node #0,1 Current State: 56:[10, 51, 15], Operations: ['31-16=15'] Exploring Operation: 15-10=5, Resulting Numbers: [51, 5] Generated Node #0,1,0: 56:[51, 5] Operation: 15-10=5 Exploring Operation: 10+51=61, Resulting Numbers: [15, 61] Generated Node #0,1,1: 56:[15, 61] Operation: 10+51=61 Exploring Operation: 10+15=25, Resulting Numbers: [51, 25] Generated Node #0,1,2: 56:[51, 25] Operation: 10+15=25 Moving to Node #0,0 Current State: 56:[31, 51, 6], Operations: ['16-10=6'] Exploring Operation: 51-31=20, Resulting Numbers: [6, 20] Generated Node #0,0,0: 56:[6, 20] Operation: 51-31=20 Exploring Operation: 51+6=57, Resulting Numbers: [31, 57] Generated Node #0,0,1: 56:[31, 57] Operation: 51+6=57 Exploring Operation: 31-6=25, Resulting Numbers: [51, 25] Generated Node #0,0,2: 56:[51, 25] Operation: 31-6=25 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 56:[31, 57], Operations: ['16-10=6', '51+6=57'] Exploring Operation: 31+57=88, Resulting Numbers: [88] 88,56 unequal: No Solution Exploring Operation: 57-31=26, Resulting Numbers: [26] 26,56 unequal: No Solution Exploring Operation: 31*57=1767, Resulting Numbers: [1767] 1767,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[6, 20], Operations: ['16-10=6', '51-31=20'] Exploring Operation: 6*20=120, Resulting Numbers: [120] 120,56 unequal: No Solution Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,56 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 56:[51, 25], Operations: ['16-10=6', '31-6=25'] Exploring Operation: 51*25=1275, Resulting Numbers: [1275] 1275,56 unequal: No Solution Exploring Operation: 51+25=76, Resulting Numbers: [76] 76,56 unequal: No Solution Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 56:[10, 16, 20], Operations: ['51-31=20'] Exploring Operation: 20/10=2, Resulting Numbers: [16, 2] Generated Node #0,2,0: 56:[16, 2] Operation: 20/10=2 Exploring Operation: 20-16=4, Resulting Numbers: [10, 4] Generated Node #0,2,1: 56:[10, 4] Operation: 20-16=4 Exploring Operation: 10+20=30, Resulting Numbers: [16, 30] Generated Node #0,2,2: 56:[16, 30] Operation: 10+20=30 Moving to Node #0,2,0 Current State: 56:[16, 2], Operations: ['51-31=20', '20/10=2'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,56 unequal: No Solution Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,56 unequal: No Solution Moving to Node #0,2,1 Current State: 56:[10, 4], Operations: ['51-31=20', '20-16=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,56 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,56 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,56 unequal: No Solution Moving to Node #0,2,2 Current State: 56:[16, 30], Operations: ['51-31=20', '10+20=30'] Exploring Operation: 16*30=480, Resulting Numbers: [480] 480,56 unequal: No Solution Exploring Operation: 16+30=46, Resulting Numbers: [46] 46,56 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,56 unequal: No Solution Moving to Node #0,1,0 Current State: 56:[51, 5], Operations: ['31-16=15', '15-10=5'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,56 unequal: No Solution Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[31, 10, 51, 16], Operations: [] Exploring Operation: 31-16=15, Resulting Numbers: [10, 51, 15] Generated Node #0,1: 56:[10, 51, 15] Operation: 31-16=15 Moving to Node #0,1 Current State: 56:[10, 51, 15], Operations: ['31-16=15'] Exploring Operation: 15-10=5, Resulting Numbers: [51, 5] Generated Node #0,1,0: 56:[51, 5] Operation: 15-10=5 Moving to Node #0,1,0 Current State: 56:[51, 5], Operations: ['31-16=15', '15-10=5'] Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
0.96875
hs_3
mult_heuristic
[ 66, 30, 47, 94 ]
98
[ "66+30=96", "94/47=2", "96+2=98" ]
Current State: 98:[66, 30, 47, 94], Operations: [] Exploring Operation: 66+30=96, Resulting Numbers: [47, 94, 96] Generated Node #2: [47, 94, 96] from Operation: 66+30=96 Current State: 98:[47, 94, 96], Operations: ['66+30=96'] Exploring Operation: 94/47=2, Resulting Numbers: [96, 2] Generated Node #3: [96, 2] from Operation: 94/47=2 Current State: 98:[96, 2], Operations: ['66+30=96', '94/47=2'] Exploring Operation: 96+2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[66, 30, 47, 94], Operations: [] Exploring Operation: 66-30=36, Resulting Numbers: [47, 94, 36] Generated Node #0,0: 98:[47, 94, 36] Operation: 66-30=36 Exploring Operation: 66-47=19, Resulting Numbers: [30, 94, 19] Generated Node #0,1: 98:[30, 94, 19] Operation: 66-47=19 Exploring Operation: 47-30=17, Resulting Numbers: [66, 94, 17] Generated Node #0,2: 98:[66, 94, 17] Operation: 47-30=17 Exploring Operation: 66+30=96, Resulting Numbers: [47, 94, 96] Generated Node #0,3: 98:[47, 94, 96] Operation: 66+30=96 Moving to Node #0,3 Current State: 98:[47, 94, 96], Operations: ['66+30=96'] Exploring Operation: 96-47=49, Resulting Numbers: [94, 49] Generated Node #0,3,0: 98:[94, 49] Operation: 96-47=49 Exploring Operation: 94/47=2, Resulting Numbers: [96, 2] Generated Node #0,3,1: 98:[96, 2] Operation: 94/47=2 Exploring Operation: 94-47=47, Resulting Numbers: [96, 47] Generated Node #0,3,2: 98:[96, 47] Operation: 94-47=47 Exploring Operation: 96-94=2, Resulting Numbers: [47, 2] Generated Node #0,3,3: 98:[47, 2] Operation: 96-94=2 Moving to Node #0,0 Current State: 98:[47, 94, 36], Operations: ['66-30=36'] Exploring Operation: 94-36=58, Resulting Numbers: [47, 58] Generated Node #0,0,0: 98:[47, 58] Operation: 94-36=58 Exploring Operation: 94/47=2, Resulting Numbers: [36, 2] Generated Node #0,0,1: 98:[36, 2] Operation: 94/47=2 Exploring Operation: 94-47=47, Resulting Numbers: [36, 47] Generated Node #0,0,2: 98:[36, 47] Operation: 94-47=47 Exploring Operation: 47-36=11, Resulting Numbers: [94, 11] Generated Node #0,0,3: 98:[94, 11] Operation: 47-36=11 Moving to Node #0,2 Current State: 98:[66, 94, 17], Operations: ['47-30=17'] Exploring Operation: 66-17=49, Resulting Numbers: [94, 49] Generated Node #0,2,0: 98:[94, 49] Operation: 66-17=49 Exploring Operation: 66+17=83, Resulting Numbers: [94, 83] Generated Node #0,2,1: 98:[94, 83] Operation: 66+17=83 Exploring Operation: 94-66=28, Resulting Numbers: [17, 28] Generated Node #0,2,2: 98:[17, 28] Operation: 94-66=28 Exploring Operation: 94+17=111, Resulting Numbers: [66, 111] Generated Node #0,2,3: 98:[66, 111] Operation: 94+17=111 Moving to Node #0,1 Current State: 98:[30, 94, 19], Operations: ['66-47=19'] Exploring Operation: 30+19=49, Resulting Numbers: [94, 49] Generated Node #0,1,0: 98:[94, 49] Operation: 30+19=49 Exploring Operation: 30+94=124, Resulting Numbers: [19, 124] Generated Node #0,1,1: 98:[19, 124] Operation: 30+94=124 Exploring Operation: 94-30=64, Resulting Numbers: [19, 64] Generated Node #0,1,2: 98:[19, 64] Operation: 94-30=64 Exploring Operation: 30-19=11, Resulting Numbers: [94, 11] Generated Node #0,1,3: 98:[94, 11] Operation: 30-19=11 Moving to Node #0,3,1 Current State: 98:[96, 2], Operations: ['66+30=96', '94/47=2'] Exploring Operation: 96/2=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,98 unequal: No Solution Exploring Operation: 96*2=192, Resulting Numbers: [192] 192,98 unequal: No Solution Exploring Operation: 96+2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[66, 30, 47, 94], Operations: [] Exploring Operation: 66+30=96, Resulting Numbers: [47, 94, 96] Generated Node #0,3: 98:[47, 94, 96] Operation: 66+30=96 Moving to Node #0,3 Current State: 98:[47, 94, 96], Operations: ['66+30=96'] Exploring Operation: 94/47=2, Resulting Numbers: [96, 2] Generated Node #0,3,1: 98:[96, 2] Operation: 94/47=2 Moving to Node #0,3,1 Current State: 98:[96, 2], Operations: ['66+30=96', '94/47=2'] Exploring Operation: 96+2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
0.975694
hs_4
mult_heuristic
[ 36, 99, 7, 20 ]
13
[ "36-20=16", "7*16=112", "112-99=13" ]
Current State: 13:[36, 99, 7, 20], Operations: [] Exploring Operation: 36-20=16, Resulting Numbers: [99, 7, 16] Generated Node #2: [99, 7, 16] from Operation: 36-20=16 Current State: 13:[99, 7, 16], Operations: ['36-20=16'] Exploring Operation: 7*16=112, Resulting Numbers: [99, 112] Generated Node #3: [99, 112] from Operation: 7*16=112 Current State: 13:[99, 112], Operations: ['36-20=16', '7*16=112'] Exploring Operation: 112-99=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[36, 99, 7, 20], Operations: [] Exploring Operation: 99-36=63, Resulting Numbers: [7, 20, 63] Generated Node #0,0: 13:[7, 20, 63] Operation: 99-36=63 Exploring Operation: 36-7=29, Resulting Numbers: [99, 20, 29] Generated Node #0,1: 13:[99, 20, 29] Operation: 36-7=29 Exploring Operation: 36-20=16, Resulting Numbers: [99, 7, 16] Generated Node #0,2: 13:[99, 7, 16] Operation: 36-20=16 Exploring Operation: 99-20=79, Resulting Numbers: [36, 7, 79] Generated Node #0,3: 13:[36, 7, 79] Operation: 99-20=79 Moving to Node #0,0 Current State: 13:[7, 20, 63], Operations: ['99-36=63'] Exploring Operation: 63-7=56, Resulting Numbers: [20, 56] Generated Node #0,0,0: 13:[20, 56] Operation: 63-7=56 Exploring Operation: 20-7=13, Resulting Numbers: [63, 13] Generated Node #0,0,1: 13:[63, 13] Operation: 20-7=13 Exploring Operation: 63-20=43, Resulting Numbers: [7, 43] Generated Node #0,0,2: 13:[7, 43] Operation: 63-20=43 Exploring Operation: 63/7=9, Resulting Numbers: [20, 9] Generated Node #0,0,3: 13:[20, 9] Operation: 63/7=9 Moving to Node #0,3 Current State: 13:[36, 7, 79], Operations: ['99-20=79'] Exploring Operation: 36-7=29, Resulting Numbers: [79, 29] Generated Node #0,3,0: 13:[79, 29] Operation: 36-7=29 Exploring Operation: 36+7=43, Resulting Numbers: [79, 43] Generated Node #0,3,1: 13:[79, 43] Operation: 36+7=43 Exploring Operation: 79-7=72, Resulting Numbers: [36, 72] Generated Node #0,3,2: 13:[36, 72] Operation: 79-7=72 Exploring Operation: 79-36=43, Resulting Numbers: [7, 43] Generated Node #0,3,3: 13:[7, 43] Operation: 79-36=43 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 13:[7, 43], Operations: ['99-20=79', '79-36=43'] Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,13 unequal: No Solution Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,13 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 13:[79, 29], Operations: ['99-20=79', '36-7=29'] Exploring Operation: 79-29=50, Resulting Numbers: [50] 50,13 unequal: No Solution Exploring Operation: 79+29=108, Resulting Numbers: [108] 108,13 unequal: No Solution Exploring Operation: 79*29=2291, Resulting Numbers: [2291] 2291,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 13:[36, 72], Operations: ['99-20=79', '79-7=72'] Exploring Operation: 36+72=108, Resulting Numbers: [108] 108,13 unequal: No Solution Exploring Operation: 72/36=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 72-36=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 36*72=2592, Resulting Numbers: [2592] 2592,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 13:[79, 43], Operations: ['99-20=79', '36+7=43'] Exploring Operation: 79+43=122, Resulting Numbers: [122] 122,13 unequal: No Solution Exploring Operation: 79-43=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 79*43=3397, Resulting Numbers: [3397] 3397,13 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: 13:[99, 7, 16], Operations: ['36-20=16'] Exploring Operation: 99-16=83, Resulting Numbers: [7, 83] Generated Node #0,2,0: 13:[7, 83] Operation: 99-16=83 Exploring Operation: 99+7=106, Resulting Numbers: [16, 106] Generated Node #0,2,1: 13:[16, 106] Operation: 99+7=106 Exploring Operation: 16-7=9, Resulting Numbers: [99, 9] Generated Node #0,2,2: 13:[99, 9] Operation: 16-7=9 Exploring Operation: 99-7=92, Resulting Numbers: [16, 92] Generated Node #0,2,3: 13:[16, 92] Operation: 99-7=92 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 13:[7, 83], Operations: ['36-20=16', '99-16=83'] Exploring Operation: 83-7=76, Resulting Numbers: [76] 76,13 unequal: No Solution Exploring Operation: 7*83=581, Resulting Numbers: [581] 581,13 unequal: No Solution Exploring Operation: 7+83=90, Resulting Numbers: [90] 90,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 13:[16, 92], Operations: ['36-20=16', '99-7=92'] Exploring Operation: 16+92=108, Resulting Numbers: [108] 108,13 unequal: No Solution Exploring Operation: 16*92=1472, Resulting Numbers: [1472] 1472,13 unequal: No Solution Exploring Operation: 92-16=76, Resulting Numbers: [76] 76,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 13:[99, 9], Operations: ['36-20=16', '16-7=9'] Exploring Operation: 99*9=891, Resulting Numbers: [891] 891,13 unequal: No Solution Exploring Operation: 99-9=90, Resulting Numbers: [90] 90,13 unequal: No Solution Exploring Operation: 99+9=108, Resulting Numbers: [108] 108,13 unequal: No Solution Exploring Operation: 99/9=11, Resulting Numbers: [11] 11,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 13:[16, 106], Operations: ['36-20=16', '99+7=106'] Exploring Operation: 16+106=122, Resulting Numbers: [122] 122,13 unequal: No Solution Exploring Operation: 106-16=90, Resulting Numbers: [90] 90,13 unequal: No Solution Exploring Operation: 16*106=1696, Resulting Numbers: [1696] 1696,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 13:[99, 20, 29], Operations: ['36-7=29'] Exploring Operation: 99-20=79, Resulting Numbers: [29, 79] Generated Node #0,1,0: 13:[29, 79] Operation: 99-20=79 Exploring Operation: 99-29=70, Resulting Numbers: [20, 70] Generated Node #0,1,1: 13:[20, 70] Operation: 99-29=70 Exploring Operation: 29-20=9, Resulting Numbers: [99, 9] Generated Node #0,1,2: 13:[99, 9] Operation: 29-20=9 Exploring Operation: 99+20=119, Resulting Numbers: [29, 119] Generated Node #0,1,3: 13:[29, 119] Operation: 99+20=119 Moving to Node #0,0,3 Current State: 13:[20, 9], Operations: ['99-36=63', '63/7=9'] Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,13 unequal: No Solution Exploring Operation: 20*9=180, Resulting Numbers: [180] 180,13 unequal: No Solution Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,13 unequal: No Solution Moving to Node #0,0,2 Current State: 13:[7, 43], Operations: ['99-36=63', '63-20=43'] Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,13 unequal: No Solution Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,13 unequal: No Solution Moving to Node #0,0,0 Current State: 13:[20, 56], Operations: ['99-36=63', '63-7=56'] Exploring Operation: 20+56=76, Resulting Numbers: [76] 76,13 unequal: No Solution Exploring Operation: 20*56=1120, Resulting Numbers: [1120] 1120,13 unequal: No Solution Exploring Operation: 56-20=36, Resulting Numbers: [36] 36,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[63, 13], Operations: ['99-36=63', '20-7=13'] Exploring Operation: 63-13=50, Resulting Numbers: [50] 50,13 unequal: No Solution Exploring Operation: 63*13=819, Resulting Numbers: [819] 819,13 unequal: No Solution Exploring Operation: 63+13=76, Resulting Numbers: [76] 76,13 unequal: No Solution Moving to Node #0,1,1 Current State: 13:[20, 70], Operations: ['36-7=29', '99-29=70'] Exploring Operation: 20+70=90, Resulting Numbers: [90] 90,13 unequal: No Solution Exploring Operation: 70-20=50, Resulting Numbers: [50] 50,13 unequal: No Solution Exploring Operation: 20*70=1400, Resulting Numbers: [1400] 1400,13 unequal: No Solution Moving to Node #0,1,0 Current State: 13:[29, 79], Operations: ['36-7=29', '99-20=79'] Exploring Operation: 29+79=108, Resulting Numbers: [108] 108,13 unequal: No Solution Exploring Operation: 29*79=2291, Resulting Numbers: [2291] 2291,13 unequal: No Solution Exploring Operation: 79-29=50, Resulting Numbers: [50] 50,13 unequal: No Solution Moving to Node #0,1,2 Current State: 13:[99, 9], Operations: ['36-7=29', '29-20=9'] Exploring Operation: 99+9=108, Resulting Numbers: [108] 108,13 unequal: No Solution Exploring Operation: 99/9=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 99-9=90, Resulting Numbers: [90] 90,13 unequal: No Solution Exploring Operation: 99*9=891, Resulting Numbers: [891] 891,13 unequal: No Solution Moving to Node #0,1,3 Current State: 13:[29, 119], Operations: ['36-7=29', '99+20=119'] Exploring Operation: 119-29=90, Resulting Numbers: [90] 90,13 unequal: No Solution Exploring Operation: 29*119=3451, Resulting Numbers: [3451] 3451,13 unequal: No Solution Exploring Operation: 29+119=148, Resulting Numbers: [148] 148,13 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 64, 18, 98, 74 ]
65
[ "64+98=162", "162/18=9", "74-9=65" ]
Current State: 65:[64, 18, 98, 74], Operations: [] Exploring Operation: 64+98=162, Resulting Numbers: [18, 74, 162] Generated Node #2: [18, 74, 162] from Operation: 64+98=162 Current State: 65:[18, 74, 162], Operations: ['64+98=162'] Exploring Operation: 162/18=9, Resulting Numbers: [74, 9] Generated Node #3: [74, 9] from Operation: 162/18=9 Current State: 65:[74, 9], Operations: ['64+98=162', '162/18=9'] Exploring Operation: 74-9=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[64, 18, 98, 74], Operations: [] Exploring Operation: 74-64=10, Resulting Numbers: [18, 98, 10] Generated Node #0,0: 65:[18, 98, 10] Operation: 74-64=10 Exploring Operation: 74-18=56, Resulting Numbers: [64, 98, 56] Generated Node #0,1: 65:[64, 98, 56] Operation: 74-18=56 Exploring Operation: 98-64=34, Resulting Numbers: [18, 74, 34] Generated Node #0,2: 65:[18, 74, 34] Operation: 98-64=34 Exploring Operation: 98-18=80, Resulting Numbers: [64, 74, 80] Generated Node #0,3: 65:[64, 74, 80] Operation: 98-18=80 Exploring Operation: 98-74=24, Resulting Numbers: [64, 18, 24] Generated Node #0,4: 65:[64, 18, 24] Operation: 98-74=24 Start Sub Search at level 1: Moving to Node #0,4 Current State: 65:[64, 18, 24], Operations: ['98-74=24'] Exploring Operation: 24-18=6, Resulting Numbers: [64, 6] Generated Node #0,4,0: 65:[64, 6] Operation: 24-18=6 Exploring Operation: 64+24=88, Resulting Numbers: [18, 88] Generated Node #0,4,1: 65:[18, 88] Operation: 64+24=88 Exploring Operation: 18+24=42, Resulting Numbers: [64, 42] Generated Node #0,4,2: 65:[64, 42] Operation: 18+24=42 Exploring Operation: 64+18=82, Resulting Numbers: [24, 82] Generated Node #0,4,3: 65:[24, 82] Operation: 64+18=82 Exploring Operation: 64-18=46, Resulting Numbers: [24, 46] Generated Node #0,4,4: 65:[24, 46] Operation: 64-18=46 Moving to Node #0,4,0 Current State: 65:[64, 6], Operations: ['98-74=24', '24-18=6'] Exploring Operation: 64*6=384, Resulting Numbers: [384] 384,65 unequal: No Solution Exploring Operation: 64+6=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,65 unequal: No Solution Moving to Node #0,4,2 Current State: 65:[64, 42], Operations: ['98-74=24', '18+24=42'] Exploring Operation: 64*42=2688, Resulting Numbers: [2688] 2688,65 unequal: No Solution Exploring Operation: 64+42=106, Resulting Numbers: [106] 106,65 unequal: No Solution Exploring Operation: 64-42=22, Resulting Numbers: [22] 22,65 unequal: No Solution Moving to Node #0,4,1 Current State: 65:[18, 88], Operations: ['98-74=24', '64+24=88'] Exploring Operation: 88-18=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 18*88=1584, Resulting Numbers: [1584] 1584,65 unequal: No Solution Exploring Operation: 18+88=106, Resulting Numbers: [106] 106,65 unequal: No Solution Moving to Node #0,4,3 Current State: 65:[24, 82], Operations: ['98-74=24', '64+18=82'] Exploring Operation: 24*82=1968, Resulting Numbers: [1968] 1968,65 unequal: No Solution Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,65 unequal: No Solution Exploring Operation: 24+82=106, Resulting Numbers: [106] 106,65 unequal: No Solution Moving to Node #0,4,4 Current State: 65:[24, 46], Operations: ['98-74=24', '64-18=46'] Exploring Operation: 24+46=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 24*46=1104, Resulting Numbers: [1104] 1104,65 unequal: No Solution Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 65:[64, 74, 80], Operations: ['98-18=80'] Exploring Operation: 74-64=10, Resulting Numbers: [80, 10] Generated Node #0,3,0: 65:[80, 10] Operation: 74-64=10 Exploring Operation: 64+80=144, Resulting Numbers: [74, 144] Generated Node #0,3,1: 65:[74, 144] Operation: 64+80=144 Exploring Operation: 64+74=138, Resulting Numbers: [80, 138] Generated Node #0,3,2: 65:[80, 138] Operation: 64+74=138 Exploring Operation: 80-74=6, Resulting Numbers: [64, 6] Generated Node #0,3,3: 65:[64, 6] Operation: 80-74=6 Exploring Operation: 80-64=16, Resulting Numbers: [74, 16] Generated Node #0,3,4: 65:[74, 16] Operation: 80-64=16 Moving to Node #0,3,3 Current State: 65:[64, 6], Operations: ['98-18=80', '80-74=6'] Exploring Operation: 64+6=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,65 unequal: No Solution Exploring Operation: 64*6=384, Resulting Numbers: [384] 384,65 unequal: No Solution Moving to Node #0,3,4 Current State: 65:[74, 16], Operations: ['98-18=80', '80-64=16'] Exploring Operation: 74+16=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 74*16=1184, Resulting Numbers: [1184] 1184,65 unequal: No Solution Exploring Operation: 74-16=58, Resulting Numbers: [58] 58,65 unequal: No Solution Moving to Node #0,3,0 Current State: 65:[80, 10], Operations: ['98-18=80', '74-64=10'] Exploring Operation: 80/10=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 80-10=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 80+10=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 80*10=800, Resulting Numbers: [800] 800,65 unequal: No Solution Moving to Node #0,3,1 Current State: 65:[74, 144], Operations: ['98-18=80', '64+80=144'] Exploring Operation: 74*144=10656, Resulting Numbers: [10656] 10656,65 unequal: No Solution Exploring Operation: 144-74=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 74+144=218, Resulting Numbers: [218] 218,65 unequal: No Solution Moving to Node #0,3,2 Current State: 65:[80, 138], Operations: ['98-18=80', '64+74=138'] Exploring Operation: 80+138=218, Resulting Numbers: [218] 218,65 unequal: No Solution Exploring Operation: 138-80=58, Resulting Numbers: [58] 58,65 unequal: No Solution Exploring Operation: 80*138=11040, Resulting Numbers: [11040] 11040,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[18, 74, 34], Operations: ['98-64=34'] Exploring Operation: 74-18=56, Resulting Numbers: [34, 56] Generated Node #0,2,0: 65:[34, 56] Operation: 74-18=56 Exploring Operation: 74-34=40, Resulting Numbers: [18, 40] Generated Node #0,2,1: 65:[18, 40] Operation: 74-34=40 Exploring Operation: 18+74=92, Resulting Numbers: [34, 92] Generated Node #0,2,2: 65:[34, 92] Operation: 18+74=92 Exploring Operation: 34-18=16, Resulting Numbers: [74, 16] Generated Node #0,2,3: 65:[74, 16] Operation: 34-18=16 Exploring Operation: 18+34=52, Resulting Numbers: [74, 52] Generated Node #0,2,4: 65:[74, 52] Operation: 18+34=52 Moving to Node #0,2,3 Current State: 65:[74, 16], Operations: ['98-64=34', '34-18=16'] Exploring Operation: 74+16=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 74-16=58, Resulting Numbers: [58] 58,65 unequal: No Solution Exploring Operation: 74*16=1184, Resulting Numbers: [1184] 1184,65 unequal: No Solution Moving to Node #0,2,4 Current State: 65:[74, 52], Operations: ['98-64=34', '18+34=52'] Exploring Operation: 74-52=22, Resulting Numbers: [22] 22,65 unequal: No Solution Exploring Operation: 74+52=126, Resulting Numbers: [126] 126,65 unequal: No Solution Exploring Operation: 74*52=3848, Resulting Numbers: [3848] 3848,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[34, 56], Operations: ['98-64=34', '74-18=56'] Exploring Operation: 34+56=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 56-34=22, Resulting Numbers: [22] 22,65 unequal: No Solution Exploring Operation: 34*56=1904, Resulting Numbers: [1904] 1904,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[18, 40], Operations: ['98-64=34', '74-34=40'] Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,65 unequal: No Solution Exploring Operation: 18*40=720, Resulting Numbers: [720] 720,65 unequal: No Solution Exploring Operation: 18+40=58, Resulting Numbers: [58] 58,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[34, 92], Operations: ['98-64=34', '18+74=92'] Exploring Operation: 34*92=3128, Resulting Numbers: [3128] 3128,65 unequal: No Solution Exploring Operation: 92-34=58, Resulting Numbers: [58] 58,65 unequal: No Solution Exploring Operation: 34+92=126, Resulting Numbers: [126] 126,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[18, 98, 10], Operations: ['74-64=10'] Exploring Operation: 98-18=80, Resulting Numbers: [10, 80] Generated Node #0,0,0: 65:[10, 80] Operation: 98-18=80 Exploring Operation: 98-10=88, Resulting Numbers: [18, 88] Generated Node #0,0,1: 65:[18, 88] Operation: 98-10=88 Exploring Operation: 18-10=8, Resulting Numbers: [98, 8] Generated Node #0,0,2: 65:[98, 8] Operation: 18-10=8 Exploring Operation: 18+10=28, Resulting Numbers: [98, 28] Generated Node #0,0,3: 65:[98, 28] Operation: 18+10=28 Exploring Operation: 98+10=108, Resulting Numbers: [18, 108] Generated Node #0,0,4: 65:[18, 108] Operation: 98+10=108 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[10, 80], Operations: ['74-64=10', '98-18=80'] Exploring Operation: 10*80=800, Resulting Numbers: [800] 800,65 unequal: No Solution Exploring Operation: 80/10=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 80-10=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 10+80=90, Resulting Numbers: [90] 90,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 65:[18, 88], Operations: ['74-64=10', '98-10=88'] Exploring Operation: 18*88=1584, Resulting Numbers: [1584] 1584,65 unequal: No Solution Exploring Operation: 88-18=70, Resulting Numbers: [70] 70,65 unequal: No Solution Exploring Operation: 18+88=106, Resulting Numbers: [106] 106,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 65:[98, 8], Operations: ['74-64=10', '18-10=8'] Exploring Operation: 98*8=784, Resulting Numbers: [784] 784,65 unequal: No Solution Exploring Operation: 98-8=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 98+8=106, Resulting Numbers: [106] 106,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 65:[98, 28], Operations: ['74-64=10', '18+10=28'] Exploring Operation: 98*28=2744, Resulting Numbers: [2744] 2744,65 unequal: No Solution Exploring Operation: 98+28=126, Resulting Numbers: [126] 126,65 unequal: No Solution Exploring Operation: 98-28=70, Resulting Numbers: [70] 70,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 65:[18, 108], Operations: ['74-64=10', '98+10=108'] Exploring Operation: 108-18=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 18+108=126, Resulting Numbers: [126] 126,65 unequal: No Solution Exploring Operation: 18*108=1944, Resulting Numbers: [1944] 1944,65 unequal: No Solution Exploring Operation: 108/18=6, Resulting Numbers: [6] 6,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[64, 98, 56], Operations: ['74-18=56'] Exploring Operation: 98-64=34, Resulting Numbers: [56, 34] Generated Node #0,1,0: 65:[56, 34] Operation: 98-64=34 Exploring Operation: 64+56=120, Resulting Numbers: [98, 120] Generated Node #0,1,1: 65:[98, 120] Operation: 64+56=120 Exploring Operation: 98-56=42, Resulting Numbers: [64, 42] Generated Node #0,1,2: 65:[64, 42] Operation: 98-56=42 Exploring Operation: 98+56=154, Resulting Numbers: [64, 154] Generated Node #0,1,3: 65:[64, 154] Operation: 98+56=154 Exploring Operation: 64-56=8, Resulting Numbers: [98, 8] Generated Node #0,1,4: 65:[98, 8] Operation: 64-56=8 Moving to Node #0,1,2 Current State: 65:[64, 42], Operations: ['74-18=56', '98-56=42'] Exploring Operation: 64+42=106, Resulting Numbers: [106] 106,65 unequal: No Solution Exploring Operation: 64*42=2688, Resulting Numbers: [2688] 2688,65 unequal: No Solution Exploring Operation: 64-42=22, Resulting Numbers: [22] 22,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[56, 34], Operations: ['74-18=56', '98-64=34'] Exploring Operation: 56+34=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 56-34=22, Resulting Numbers: [22] 22,65 unequal: No Solution Exploring Operation: 56*34=1904, Resulting Numbers: [1904] 1904,65 unequal: No Solution Moving to Node #0,1,4 Current State: 65:[98, 8], Operations: ['74-18=56', '64-56=8'] Exploring Operation: 98-8=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 98*8=784, Resulting Numbers: [784] 784,65 unequal: No Solution Exploring Operation: 98+8=106, Resulting Numbers: [106] 106,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[98, 120], Operations: ['74-18=56', '64+56=120'] Exploring Operation: 98*120=11760, Resulting Numbers: [11760] 11760,65 unequal: No Solution Exploring Operation: 120-98=22, Resulting Numbers: [22] 22,65 unequal: No Solution Exploring Operation: 98+120=218, Resulting Numbers: [218] 218,65 unequal: No Solution Moving to Node #0,1,3 Current State: 65:[64, 154], Operations: ['74-18=56', '98+56=154'] Exploring Operation: 64*154=9856, Resulting Numbers: [9856] 9856,65 unequal: No Solution Exploring Operation: 154-64=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 64+154=218, Resulting Numbers: [218] 218,65 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
[ 64, 44, 70, 98 ]
48
[ "64-44=20", "98-70=28", "20+28=48" ]
Current State: 48:[64, 44, 70, 98], Operations: [] Exploring Operation: 64-44=20, Resulting Numbers: [70, 98, 20] Generated Node #2: [70, 98, 20] from Operation: 64-44=20 Current State: 48:[70, 98, 20], Operations: ['64-44=20'] Exploring Operation: 98-70=28, Resulting Numbers: [20, 28] Generated Node #3: [20, 28] from Operation: 98-70=28 Current State: 48:[20, 28], Operations: ['64-44=20', '98-70=28'] Exploring Operation: 20+28=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[64, 44, 70, 98], Operations: [] Exploring Operation: 98-70=28, Resulting Numbers: [64, 44, 28] Generated Node #0,0: 48:[64, 44, 28] Operation: 98-70=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[64, 44, 28], Operations: ['98-70=28'] Exploring Operation: 64-44=20, Resulting Numbers: [28, 20] Generated Node #0,0,0: 48:[28, 20] Operation: 64-44=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[28, 20], Operations: ['98-70=28', '64-44=20'] Exploring Operation: 28+20=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[64, 44, 70, 98], Operations: [] Exploring Operation: 98-70=28, Resulting Numbers: [64, 44, 28] Generated Node #0,0: 48:[64, 44, 28] Operation: 98-70=28 Moving to Node #0,0 Current State: 48:[64, 44, 28], Operations: ['98-70=28'] Exploring Operation: 64-44=20, Resulting Numbers: [28, 20] Generated Node #0,0,0: 48:[28, 20] Operation: 64-44=20 Moving to Node #0,0,0 Current State: 48:[28, 20], Operations: ['98-70=28', '64-44=20'] Exploring Operation: 28+20=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 53, 19, 63, 9 ]
80
[ "19*63=1197", "1197/9=133", "133-53=80" ]
Current State: 80:[53, 19, 63, 9], Operations: [] Exploring Operation: 19*63=1197, Resulting Numbers: [53, 9, 1197] Generated Node #2: [53, 9, 1197] from Operation: 19*63=1197 Current State: 80:[53, 9, 1197], Operations: ['19*63=1197'] Exploring Operation: 1197/9=133, Resulting Numbers: [53, 133] Generated Node #3: [53, 133] from Operation: 1197/9=133 Current State: 80:[53, 133], Operations: ['19*63=1197', '1197/9=133'] Exploring Operation: 133-53=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[53, 19, 63, 9], Operations: [] Exploring Operation: 63/9=7, Resulting Numbers: [53, 19, 7] Generated Node #0,0: 80:[53, 19, 7] Operation: 63/9=7 Exploring Operation: 63-53=10, Resulting Numbers: [19, 9, 10] Generated Node #0,1: 80:[19, 9, 10] Operation: 63-53=10 Exploring Operation: 19+63=82, Resulting Numbers: [53, 9, 82] Generated Node #0,2: 80:[53, 9, 82] Operation: 19+63=82 Exploring Operation: 63-19=44, Resulting Numbers: [53, 9, 44] Generated Node #0,3: 80:[53, 9, 44] Operation: 63-19=44 Exploring Operation: 53-9=44, Resulting Numbers: [19, 63, 44] Generated Node #0,4: 80:[19, 63, 44] Operation: 53-9=44 Moving to Node #0,1 Current State: 80:[19, 9, 10], Operations: ['63-53=10'] Exploring Operation: 19+9=28, Resulting Numbers: [10, 28] Generated Node #0,1,0: 80:[10, 28] Operation: 19+9=28 Exploring Operation: 19-9=10, Resulting Numbers: [10, 10] Generated Node #0,1,1: 80:[10, 10] Operation: 19-9=10 Exploring Operation: 9+10=19, Resulting Numbers: [19, 19] Generated Node #0,1,2: 80:[19, 19] Operation: 9+10=19 Exploring Operation: 10-9=1, Resulting Numbers: [19, 1] Generated Node #0,1,3: 80:[19, 1] Operation: 10-9=1 Exploring Operation: 19-10=9, Resulting Numbers: [9, 9] Generated Node #0,1,4: 80:[9, 9] Operation: 19-10=9 Moving to Node #0,0 Current State: 80:[53, 19, 7], Operations: ['63/9=7'] Exploring Operation: 19-7=12, Resulting Numbers: [53, 12] Generated Node #0,0,0: 80:[53, 12] Operation: 19-7=12 Exploring Operation: 53-7=46, Resulting Numbers: [19, 46] Generated Node #0,0,1: 80:[19, 46] Operation: 53-7=46 Exploring Operation: 53-19=34, Resulting Numbers: [7, 34] Generated Node #0,0,2: 80:[7, 34] Operation: 53-19=34 Exploring Operation: 53+19=72, Resulting Numbers: [7, 72] Generated Node #0,0,3: 80:[7, 72] Operation: 53+19=72 Exploring Operation: 19+7=26, Resulting Numbers: [53, 26] Generated Node #0,0,4: 80:[53, 26] Operation: 19+7=26 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 80:[19, 46], Operations: ['63/9=7', '53-7=46'] Exploring Operation: 19*46=874, Resulting Numbers: [874] 874,80 unequal: No Solution Exploring Operation: 46-19=27, Resulting Numbers: [27] 27,80 unequal: No Solution Exploring Operation: 19+46=65, Resulting Numbers: [65] 65,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 80:[7, 34], Operations: ['63/9=7', '53-19=34'] Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,80 unequal: No Solution Exploring Operation: 7+34=41, Resulting Numbers: [41] 41,80 unequal: No Solution Exploring Operation: 7*34=238, Resulting Numbers: [238] 238,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 80:[7, 72], Operations: ['63/9=7', '53+19=72'] Exploring Operation: 72-7=65, Resulting Numbers: [65] 65,80 unequal: No Solution Exploring Operation: 7+72=79, Resulting Numbers: [79] 79,80 unequal: No Solution Exploring Operation: 7*72=504, Resulting Numbers: [504] 504,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[53, 12], Operations: ['63/9=7', '19-7=12'] Exploring Operation: 53*12=636, Resulting Numbers: [636] 636,80 unequal: No Solution Exploring Operation: 53-12=41, Resulting Numbers: [41] 41,80 unequal: No Solution Exploring Operation: 53+12=65, Resulting Numbers: [65] 65,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 80:[53, 26], Operations: ['63/9=7', '19+7=26'] Exploring Operation: 53-26=27, Resulting Numbers: [27] 27,80 unequal: No Solution Exploring Operation: 53*26=1378, Resulting Numbers: [1378] 1378,80 unequal: No Solution Exploring Operation: 53+26=79, Resulting Numbers: [79] 79,80 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: 80:[53, 9, 82], Operations: ['19+63=82'] Exploring Operation: 82-9=73, Resulting Numbers: [53, 73] Generated Node #0,2,0: 80:[53, 73] Operation: 82-9=73 Exploring Operation: 53-9=44, Resulting Numbers: [82, 44] Generated Node #0,2,1: 80:[82, 44] Operation: 53-9=44 Exploring Operation: 53+9=62, Resulting Numbers: [82, 62] Generated Node #0,2,2: 80:[82, 62] Operation: 53+9=62 Exploring Operation: 9+82=91, Resulting Numbers: [53, 91] Generated Node #0,2,3: 80:[53, 91] Operation: 9+82=91 Exploring Operation: 82-53=29, Resulting Numbers: [9, 29] Generated Node #0,2,4: 80:[9, 29] Operation: 82-53=29 Moving to Node #0,3 Current State: 80:[53, 9, 44], Operations: ['63-19=44'] Exploring Operation: 44-9=35, Resulting Numbers: [53, 35] Generated Node #0,3,0: 80:[53, 35] Operation: 44-9=35 Exploring Operation: 53+9=62, Resulting Numbers: [44, 62] Generated Node #0,3,1: 80:[44, 62] Operation: 53+9=62 Exploring Operation: 53-44=9, Resulting Numbers: [9, 9] Generated Node #0,3,2: 80:[9, 9] Operation: 53-44=9 Exploring Operation: 53-9=44, Resulting Numbers: [44, 44] Generated Node #0,3,3: 80:[44, 44] Operation: 53-9=44 Exploring Operation: 53+44=97, Resulting Numbers: [9, 97] Generated Node #0,3,4: 80:[9, 97] Operation: 53+44=97 Moving to Node #0,4 Current State: 80:[19, 63, 44], Operations: ['53-9=44'] Exploring Operation: 63-19=44, Resulting Numbers: [44, 44] Generated Node #0,4,0: 80:[44, 44] Operation: 63-19=44 Exploring Operation: 44-19=25, Resulting Numbers: [63, 25] Generated Node #0,4,1: 80:[63, 25] Operation: 44-19=25 Exploring Operation: 19+63=82, Resulting Numbers: [44, 82] Generated Node #0,4,2: 80:[44, 82] Operation: 19+63=82 Exploring Operation: 63+44=107, Resulting Numbers: [19, 107] Generated Node #0,4,3: 80:[19, 107] Operation: 63+44=107 Exploring Operation: 63-44=19, Resulting Numbers: [19, 19] Generated Node #0,4,4: 80:[19, 19] Operation: 63-44=19 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 80:[19, 19], Operations: ['53-9=44', '63-44=19'] Exploring Operation: 19/19=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 19*19=361, Resulting Numbers: [361] 361,80 unequal: No Solution Exploring Operation: 19-19=0, Resulting Numbers: [0] 0,80 unequal: No Solution Exploring Operation: 19+19=38, Resulting Numbers: [38] 38,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 80:[44, 82], Operations: ['53-9=44', '19+63=82'] Exploring Operation: 44*82=3608, Resulting Numbers: [3608] 3608,80 unequal: No Solution Exploring Operation: 82-44=38, Resulting Numbers: [38] 38,80 unequal: No Solution Exploring Operation: 44+82=126, Resulting Numbers: [126] 126,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 80:[44, 44], Operations: ['53-9=44', '63-19=44'] Exploring Operation: 44-44=0, Resulting Numbers: [0] 0,80 unequal: No Solution Exploring Operation: 44+44=88, Resulting Numbers: [88] 88,80 unequal: No Solution Exploring Operation: 44/44=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 44*44=1936, Resulting Numbers: [1936] 1936,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 80:[63, 25], Operations: ['53-9=44', '44-19=25'] Exploring Operation: 63+25=88, Resulting Numbers: [88] 88,80 unequal: No Solution Exploring Operation: 63*25=1575, Resulting Numbers: [1575] 1575,80 unequal: No Solution Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 80:[19, 107], Operations: ['53-9=44', '63+44=107'] Exploring Operation: 19*107=2033, Resulting Numbers: [2033] 2033,80 unequal: No Solution Exploring Operation: 107-19=88, Resulting Numbers: [88] 88,80 unequal: No Solution Exploring Operation: 19+107=126, Resulting Numbers: [126] 126,80 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: 80:[10, 10], Operations: ['63-53=10', '19-9=10'] Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,80 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,80 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,80 unequal: No Solution Moving to Node #0,1,3 Current State: 80:[19, 1], Operations: ['63-53=10', '10-9=1'] Exploring Operation: 19+1=20, Resulting Numbers: [20] 20,80 unequal: No Solution Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,80 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,80 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,80 unequal: No Solution Moving to Node #0,1,2 Current State: 80:[19, 19], Operations: ['63-53=10', '9+10=19'] Exploring Operation: 19-19=0, Resulting Numbers: [0] 0,80 unequal: No Solution Exploring Operation: 19+19=38, Resulting Numbers: [38] 38,80 unequal: No Solution Exploring Operation: 19/19=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 19*19=361, Resulting Numbers: [361] 361,80 unequal: No Solution Moving to Node #0,3,2 Current State: 80:[9, 9], Operations: ['63-19=44', '53-44=9'] Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,80 unequal: No Solution Exploring Operation: 9-9=0, Resulting Numbers: [0] 0,80 unequal: No Solution Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,80 unequal: No Solution Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,80 unequal: No Solution Moving to Node #0,1,4 Current State: 80:[9, 9], Operations: ['63-53=10', '19-10=9'] Exploring Operation: 9-9=0, Resulting Numbers: [0] 0,80 unequal: No Solution Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,80 unequal: No Solution Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,80 unequal: No Solution Moving to Node #0,2,1 Current State: 80:[82, 44], Operations: ['19+63=82', '53-9=44'] Exploring Operation: 82-44=38, Resulting Numbers: [38] 38,80 unequal: No Solution Exploring Operation: 82*44=3608, Resulting Numbers: [3608] 3608,80 unequal: No Solution Exploring Operation: 82+44=126, Resulting Numbers: [126] 126,80 unequal: No Solution Moving to Node #0,3,3 Current State: 80:[44, 44], Operations: ['63-19=44', '53-9=44'] Exploring Operation: 44/44=1, Resulting Numbers: [1] 1,80 unequal: No Solution Exploring Operation: 44*44=1936, Resulting Numbers: [1936] 1936,80 unequal: No Solution Exploring Operation: 44-44=0, Resulting Numbers: [0] 0,80 unequal: No Solution Exploring Operation: 44+44=88, Resulting Numbers: [88] 88,80 unequal: No Solution Moving to Node #0,1,0 Current State: 80:[10, 28], Operations: ['63-53=10', '19+9=28'] Exploring Operation: 10*28=280, Resulting Numbers: [280] 280,80 unequal: No Solution Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,80 unequal: No Solution Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,80 unequal: No Solution Moving to Node #0,2,4 Current State: 80:[9, 29], Operations: ['19+63=82', '82-53=29'] Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,80 unequal: No Solution Exploring Operation: 9*29=261, Resulting Numbers: [261] 261,80 unequal: No Solution Exploring Operation: 9+29=38, Resulting Numbers: [38] 38,80 unequal: No Solution Moving to Node #0,3,4 Current State: 80:[9, 97], Operations: ['63-19=44', '53+44=97'] Exploring Operation: 97-9=88, Resulting Numbers: [88] 88,80 unequal: No Solution Exploring Operation: 9*97=873, Resulting Numbers: [873] 873,80 unequal: No Solution Exploring Operation: 9+97=106, Resulting Numbers: [106] 106,80 unequal: No Solution Moving to Node #0,3,0 Current State: 80:[53, 35], Operations: ['63-19=44', '44-9=35'] Exploring Operation: 53-35=18, Resulting Numbers: [18] 18,80 unequal: No Solution Exploring Operation: 53+35=88, Resulting Numbers: [88] 88,80 unequal: No Solution Exploring Operation: 53*35=1855, Resulting Numbers: [1855] 1855,80 unequal: No Solution Moving to Node #0,2,0 Current State: 80:[53, 73], Operations: ['19+63=82', '82-9=73'] Exploring Operation: 53*73=3869, Resulting Numbers: [3869] 3869,80 unequal: No Solution Exploring Operation: 73-53=20, Resulting Numbers: [20] 20,80 unequal: No Solution Exploring Operation: 53+73=126, Resulting Numbers: [126] 126,80 unequal: No Solution Moving to Node #0,2,2 Current State: 80:[82, 62], Operations: ['19+63=82', '53+9=62'] Exploring Operation: 82-62=20, Resulting Numbers: [20] 20,80 unequal: No Solution Exploring Operation: 82*62=5084, Resulting Numbers: [5084] 5084,80 unequal: No Solution Exploring Operation: 82+62=144, Resulting Numbers: [144] 144,80 unequal: No Solution Moving to Node #0,3,1 Current State: 80:[44, 62], Operations: ['63-19=44', '53+9=62'] Exploring Operation: 44+62=106, Resulting Numbers: [106] 106,80 unequal: No Solution Exploring Operation: 62-44=18, Resulting Numbers: [18] 18,80 unequal: No Solution Exploring Operation: 44*62=2728, Resulting Numbers: [2728] 2728,80 unequal: No Solution Moving to Node #0,2,3 Current State: 80:[53, 91], Operations: ['19+63=82', '9+82=91'] Exploring Operation: 91-53=38, Resulting Numbers: [38] 38,80 unequal: No Solution Exploring Operation: 53+91=144, Resulting Numbers: [144] 144,80 unequal: No Solution Exploring Operation: 53*91=4823, Resulting Numbers: [4823] 4823,80 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 17, 64, 8, 84 ]
75
[ "84-17=67", "64/8=8", "67+8=75" ]
Current State: 75:[17, 64, 8, 84], Operations: [] Exploring Operation: 84-17=67, Resulting Numbers: [64, 8, 67] Generated Node #2: [64, 8, 67] from Operation: 84-17=67 Current State: 75:[64, 8, 67], Operations: ['84-17=67'] Exploring Operation: 64/8=8, Resulting Numbers: [67, 8] Generated Node #3: [67, 8] from Operation: 64/8=8 Current State: 75:[67, 8], Operations: ['84-17=67', '64/8=8'] Exploring Operation: 67+8=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[17, 64, 8, 84], Operations: [] Exploring Operation: 84-64=20, Resulting Numbers: [17, 8, 20] Generated Node #0,0: 75:[17, 8, 20] Operation: 84-64=20 Exploring Operation: 64/8=8, Resulting Numbers: [17, 84, 8] Generated Node #0,1: 75:[17, 84, 8] Operation: 64/8=8 Exploring Operation: 64+8=72, Resulting Numbers: [17, 84, 72] Generated Node #0,2: 75:[17, 84, 72] Operation: 64+8=72 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[17, 8, 20], Operations: ['84-64=20'] Exploring Operation: 17+8=25, Resulting Numbers: [20, 25] Generated Node #0,0,0: 75:[20, 25] Operation: 17+8=25 Exploring Operation: 20-17=3, Resulting Numbers: [8, 3] Generated Node #0,0,1: 75:[8, 3] Operation: 20-17=3 Exploring Operation: 8+20=28, Resulting Numbers: [17, 28] Generated Node #0,0,2: 75:[17, 28] Operation: 8+20=28 Moving to Node #0,0,1 Current State: 75:[8, 3], Operations: ['84-64=20', '20-17=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,75 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,75 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[20, 25], Operations: ['84-64=20', '17+8=25'] Exploring Operation: 25-20=5, Resulting Numbers: [5] 5,75 unequal: No Solution Exploring Operation: 20*25=500, Resulting Numbers: [500] 500,75 unequal: No Solution Exploring Operation: 20+25=45, Resulting Numbers: [45] 45,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[17, 28], Operations: ['84-64=20', '8+20=28'] Exploring Operation: 17+28=45, Resulting Numbers: [45] 45,75 unequal: No Solution Exploring Operation: 17*28=476, Resulting Numbers: [476] 476,75 unequal: No Solution Exploring Operation: 28-17=11, Resulting Numbers: [11] 11,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[17, 84, 8], Operations: ['64/8=8'] Exploring Operation: 84-8=76, Resulting Numbers: [17, 76] Generated Node #0,1,0: 75:[17, 76] Operation: 84-8=76 Exploring Operation: 84-17=67, Resulting Numbers: [8, 67] Generated Node #0,1,1: 75:[8, 67] Operation: 84-17=67 Exploring Operation: 17+8=25, Resulting Numbers: [84, 25] Generated Node #0,1,2: 75:[84, 25] Operation: 17+8=25 Moving to Node #0,1,0 Current State: 75:[17, 76], Operations: ['64/8=8', '84-8=76'] Exploring Operation: 17*76=1292, Resulting Numbers: [1292] 1292,75 unequal: No Solution Exploring Operation: 76-17=59, Resulting Numbers: [59] 59,75 unequal: No Solution Exploring Operation: 17+76=93, Resulting Numbers: [93] 93,75 unequal: No Solution Moving to Node #0,1,2 Current State: 75:[84, 25], Operations: ['64/8=8', '17+8=25'] Exploring Operation: 84*25=2100, Resulting Numbers: [2100] 2100,75 unequal: No Solution Exploring Operation: 84-25=59, Resulting Numbers: [59] 59,75 unequal: No Solution Exploring Operation: 84+25=109, Resulting Numbers: [109] 109,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[8, 67], Operations: ['64/8=8', '84-17=67'] Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,75 unequal: No Solution Exploring Operation: 8*67=536, Resulting Numbers: [536] 536,75 unequal: No Solution Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[17, 64, 8, 84], Operations: [] Exploring Operation: 64/8=8, Resulting Numbers: [17, 84, 8] Generated Node #0,1: 75:[17, 84, 8] Operation: 64/8=8 Moving to Node #0,1 Current State: 75:[17, 84, 8], Operations: ['64/8=8'] Exploring Operation: 84-17=67, Resulting Numbers: [8, 67] Generated Node #0,1,1: 75:[8, 67] Operation: 84-17=67 Moving to Node #0,1,1 Current State: 75:[8, 67], Operations: ['64/8=8', '84-17=67'] Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_3
sum_heuristic
[ 8, 33, 40, 6 ]
53
[ "8-6=2", "40/2=20", "33+20=53" ]
Current State: 53:[8, 33, 40, 6], Operations: [] Exploring Operation: 8-6=2, Resulting Numbers: [33, 40, 2] Generated Node #2: [33, 40, 2] from Operation: 8-6=2 Current State: 53:[33, 40, 2], Operations: ['8-6=2'] Exploring Operation: 40/2=20, Resulting Numbers: [33, 20] Generated Node #3: [33, 20] from Operation: 40/2=20 Current State: 53:[33, 20], Operations: ['8-6=2', '40/2=20'] Exploring Operation: 33+20=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[8, 33, 40, 6], Operations: [] Exploring Operation: 8*6=48, Resulting Numbers: [33, 40, 48] Generated Node #0,0: 53:[33, 40, 48] Operation: 8*6=48 Exploring Operation: 8+33=41, Resulting Numbers: [40, 6, 41] Generated Node #0,1: 53:[40, 6, 41] Operation: 8+33=41 Exploring Operation: 33+6=39, Resulting Numbers: [8, 40, 39] Generated Node #0,2: 53:[8, 40, 39] Operation: 33+6=39 Exploring Operation: 8+6=14, Resulting Numbers: [33, 40, 14] Generated Node #0,3: 53:[33, 40, 14] Operation: 8+6=14 Exploring Operation: 8+40=48, Resulting Numbers: [33, 6, 48] Generated Node #0,4: 53:[33, 6, 48] Operation: 8+40=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[33, 40, 48], Operations: ['8*6=48'] Exploring Operation: 48-33=15, Resulting Numbers: [40, 15] Generated Node #0,0,0: 53:[40, 15] Operation: 48-33=15 Exploring Operation: 33+40=73, Resulting Numbers: [48, 73] Generated Node #0,0,1: 53:[48, 73] Operation: 33+40=73 Exploring Operation: 40-33=7, Resulting Numbers: [48, 7] Generated Node #0,0,2: 53:[48, 7] Operation: 40-33=7 Exploring Operation: 33+48=81, Resulting Numbers: [40, 81] Generated Node #0,0,3: 53:[40, 81] Operation: 33+48=81 Exploring Operation: 40+48=88, Resulting Numbers: [33, 88] Generated Node #0,0,4: 53:[33, 88] Operation: 40+48=88 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[48, 73], Operations: ['8*6=48', '33+40=73'] Exploring Operation: 48+73=121, Resulting Numbers: [121] 121,53 unequal: No Solution Exploring Operation: 48*73=3504, Resulting Numbers: [3504] 3504,53 unequal: No Solution Exploring Operation: 73-48=25, Resulting Numbers: [25] 25,53 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:[40, 81], Operations: ['8*6=48', '33+48=81'] Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,53 unequal: No Solution Exploring Operation: 40+81=121, Resulting Numbers: [121] 121,53 unequal: No Solution Exploring Operation: 40*81=3240, Resulting Numbers: [3240] 3240,53 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 #0,0,0 Current State: 53:[40, 15], Operations: ['8*6=48', '48-33=15'] Exploring Operation: 40+15=55, Resulting Numbers: [55] 55,53 unequal: No Solution Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,53 unequal: No Solution Exploring Operation: 40*15=600, Resulting Numbers: [600] 600,53 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:[48, 7], Operations: ['8*6=48', '40-33=7'] Exploring Operation: 48+7=55, Resulting Numbers: [55] 55,53 unequal: No Solution Exploring Operation: 48*7=336, Resulting Numbers: [336] 336,53 unequal: No Solution Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,53 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:[33, 88], Operations: ['8*6=48', '40+48=88'] Exploring Operation: 33*88=2904, Resulting Numbers: [2904] 2904,53 unequal: No Solution Exploring Operation: 33+88=121, Resulting Numbers: [121] 121,53 unequal: No Solution Exploring Operation: 88-33=55, Resulting Numbers: [55] 55,53 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:[40, 6, 41], Operations: ['8+33=41'] Exploring Operation: 40-6=34, Resulting Numbers: [41, 34] Generated Node #0,1,0: 53:[41, 34] Operation: 40-6=34 Exploring Operation: 6+41=47, Resulting Numbers: [40, 47] Generated Node #0,1,1: 53:[40, 47] Operation: 6+41=47 Exploring Operation: 40+6=46, Resulting Numbers: [41, 46] Generated Node #0,1,2: 53:[41, 46] Operation: 40+6=46 Exploring Operation: 41-6=35, Resulting Numbers: [40, 35] Generated Node #0,1,3: 53:[40, 35] Operation: 41-6=35 Exploring Operation: 40+41=81, Resulting Numbers: [6, 81] Generated Node #0,1,4: 53:[6, 81] Operation: 40+41=81 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[40, 47], Operations: ['8+33=41', '6+41=47'] Exploring Operation: 40+47=87, Resulting Numbers: [87] 87,53 unequal: No Solution Exploring Operation: 47-40=7, Resulting Numbers: [7] 7,53 unequal: No Solution Exploring Operation: 40*47=1880, Resulting Numbers: [1880] 1880,53 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:[41, 46], Operations: ['8+33=41', '40+6=46'] Exploring Operation: 46-41=5, Resulting Numbers: [5] 5,53 unequal: No Solution Exploring Operation: 41+46=87, Resulting Numbers: [87] 87,53 unequal: No Solution Exploring Operation: 41*46=1886, Resulting Numbers: [1886] 1886,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[41, 34], Operations: ['8+33=41', '40-6=34'] Exploring Operation: 41*34=1394, Resulting Numbers: [1394] 1394,53 unequal: No Solution Exploring Operation: 41-34=7, Resulting Numbers: [7] 7,53 unequal: No Solution Exploring Operation: 41+34=75, Resulting Numbers: [75] 75,53 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:[40, 35], Operations: ['8+33=41', '41-6=35'] Exploring Operation: 40-35=5, Resulting Numbers: [5] 5,53 unequal: No Solution Exploring Operation: 40*35=1400, Resulting Numbers: [1400] 1400,53 unequal: No Solution Exploring Operation: 40+35=75, Resulting Numbers: [75] 75,53 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:[6, 81], Operations: ['8+33=41', '40+41=81'] Exploring Operation: 6+81=87, Resulting Numbers: [87] 87,53 unequal: No Solution Exploring Operation: 6*81=486, Resulting Numbers: [486] 486,53 unequal: No Solution Exploring Operation: 81-6=75, Resulting Numbers: [75] 75,53 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:[8, 40, 39], Operations: ['33+6=39'] Exploring Operation: 8+40=48, Resulting Numbers: [39, 48] Generated Node #0,2,0: 53:[39, 48] Operation: 8+40=48 Exploring Operation: 8+39=47, Resulting Numbers: [40, 47] Generated Node #0,2,1: 53:[40, 47] Operation: 8+39=47 Exploring Operation: 40-8=32, Resulting Numbers: [39, 32] Generated Node #0,2,2: 53:[39, 32] Operation: 40-8=32 Exploring Operation: 40/8=5, Resulting Numbers: [39, 5] Generated Node #0,2,3: 53:[39, 5] Operation: 40/8=5 Exploring Operation: 39-8=31, Resulting Numbers: [40, 31] Generated Node #0,2,4: 53:[40, 31] Operation: 39-8=31 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 53:[39, 48], Operations: ['33+6=39', '8+40=48'] Exploring Operation: 48-39=9, Resulting Numbers: [9] 9,53 unequal: No Solution Exploring Operation: 39*48=1872, Resulting Numbers: [1872] 1872,53 unequal: No Solution Exploring Operation: 39+48=87, Resulting Numbers: [87] 87,53 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 #0,2,1 Current State: 53:[40, 47], Operations: ['33+6=39', '8+39=47'] Exploring Operation: 47-40=7, Resulting Numbers: [7] 7,53 unequal: No Solution Exploring Operation: 40+47=87, Resulting Numbers: [87] 87,53 unequal: No Solution Exploring Operation: 40*47=1880, Resulting Numbers: [1880] 1880,53 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:[39, 32], Operations: ['33+6=39', '40-8=32'] Exploring Operation: 39*32=1248, Resulting Numbers: [1248] 1248,53 unequal: No Solution Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,53 unequal: No Solution Exploring Operation: 39+32=71, Resulting Numbers: [71] 71,53 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:[40, 31], Operations: ['33+6=39', '39-8=31'] Exploring Operation: 40+31=71, Resulting Numbers: [71] 71,53 unequal: No Solution Exploring Operation: 40*31=1240, Resulting Numbers: [1240] 1240,53 unequal: No Solution Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,53 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:[39, 5], Operations: ['33+6=39', '40/8=5'] Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,53 unequal: No Solution Exploring Operation: 39+5=44, Resulting Numbers: [44] 44,53 unequal: No Solution Exploring Operation: 39*5=195, Resulting Numbers: [195] 195,53 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:[33, 40, 14], Operations: ['8+6=14'] Exploring Operation: 40+14=54, Resulting Numbers: [33, 54] Generated Node #0,3,0: 53:[33, 54] Operation: 40+14=54 Exploring Operation: 33+14=47, Resulting Numbers: [40, 47] Generated Node #0,3,1: 53:[40, 47] Operation: 33+14=47 Exploring Operation: 33-14=19, Resulting Numbers: [40, 19] Generated Node #0,3,2: 53:[40, 19] Operation: 33-14=19 Exploring Operation: 40-14=26, Resulting Numbers: [33, 26] Generated Node #0,3,3: 53:[33, 26] Operation: 40-14=26 Exploring Operation: 33+40=73, Resulting Numbers: [14, 73] Generated Node #0,3,4: 53:[14, 73] Operation: 33+40=73 Moving to Node #0,3,1 Current State: 53:[40, 47], Operations: ['8+6=14', '33+14=47'] Exploring Operation: 47-40=7, Resulting Numbers: [7] 7,53 unequal: No Solution Exploring Operation: 40*47=1880, Resulting Numbers: [1880] 1880,53 unequal: No Solution Exploring Operation: 40+47=87, Resulting Numbers: [87] 87,53 unequal: No Solution Moving to Node #0,3,0 Current State: 53:[33, 54], Operations: ['8+6=14', '40+14=54'] Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,53 unequal: No Solution Exploring Operation: 33*54=1782, Resulting Numbers: [1782] 1782,53 unequal: No Solution Exploring Operation: 33+54=87, Resulting Numbers: [87] 87,53 unequal: No Solution Moving to Node #0,3,2 Current State: 53:[40, 19], Operations: ['8+6=14', '33-14=19'] Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,53 unequal: No Solution Exploring Operation: 40+19=59, Resulting Numbers: [59] 59,53 unequal: No Solution Exploring Operation: 40*19=760, Resulting Numbers: [760] 760,53 unequal: No Solution Moving to Node #0,3,3 Current State: 53:[33, 26], Operations: ['8+6=14', '40-14=26'] Exploring Operation: 33+26=59, Resulting Numbers: [59] 59,53 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,53 unequal: No Solution Exploring Operation: 33*26=858, Resulting Numbers: [858] 858,53 unequal: No Solution Moving to Node #0,3,4 Current State: 53:[14, 73], Operations: ['8+6=14', '33+40=73'] Exploring Operation: 14+73=87, Resulting Numbers: [87] 87,53 unequal: No Solution Exploring Operation: 14*73=1022, Resulting Numbers: [1022] 1022,53 unequal: No Solution Exploring Operation: 73-14=59, Resulting Numbers: [59] 59,53 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:[33, 6, 48], Operations: ['8+40=48'] Exploring Operation: 48/6=8, Resulting Numbers: [33, 8] Generated Node #0,4,0: 53:[33, 8] Operation: 48/6=8 Exploring Operation: 6+48=54, Resulting Numbers: [33, 54] Generated Node #0,4,1: 53:[33, 54] Operation: 6+48=54 Exploring Operation: 48-6=42, Resulting Numbers: [33, 42] Generated Node #0,4,2: 53:[33, 42] Operation: 48-6=42 Exploring Operation: 33-6=27, Resulting Numbers: [48, 27] Generated Node #0,4,3: 53:[48, 27] Operation: 33-6=27 Exploring Operation: 33+6=39, Resulting Numbers: [48, 39] Generated Node #0,4,4: 53:[48, 39] Operation: 33+6=39 Moving to Node #0,4,4 Current State: 53:[48, 39], Operations: ['8+40=48', '33+6=39'] Exploring Operation: 48+39=87, Resulting Numbers: [87] 87,53 unequal: No Solution Exploring Operation: 48*39=1872, Resulting Numbers: [1872] 1872,53 unequal: No Solution Exploring Operation: 48-39=9, Resulting Numbers: [9] 9,53 unequal: No Solution Moving to Node #0,4,1 Current State: 53:[33, 54], Operations: ['8+40=48', '6+48=54'] Exploring Operation: 33*54=1782, Resulting Numbers: [1782] 1782,53 unequal: No Solution Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,53 unequal: No Solution Exploring Operation: 33+54=87, Resulting Numbers: [87] 87,53 unequal: No Solution Moving to Node #0,4,2 Current State: 53:[33, 42], Operations: ['8+40=48', '48-6=42'] Exploring Operation: 33+42=75, Resulting Numbers: [75] 75,53 unequal: No Solution Exploring Operation: 33*42=1386, Resulting Numbers: [1386] 1386,53 unequal: No Solution Exploring Operation: 42-33=9, Resulting Numbers: [9] 9,53 unequal: No Solution Moving to Node #0,4,3 Current State: 53:[48, 27], Operations: ['8+40=48', '33-6=27'] Exploring Operation: 48*27=1296, Resulting Numbers: [1296] 1296,53 unequal: No Solution Exploring Operation: 48+27=75, Resulting Numbers: [75] 75,53 unequal: No Solution Exploring Operation: 48-27=21, Resulting Numbers: [21] 21,53 unequal: No Solution Moving to Node #0,4,0 Current State: 53:[33, 8], Operations: ['8+40=48', '48/6=8'] Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,53 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,53 unequal: No Solution Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,53 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
[ 77, 37, 16, 22 ]
78
[ "77-37=40", "16+22=38", "40+38=78" ]
Current State: 78:[77, 37, 16, 22], Operations: [] Exploring Operation: 77-37=40, Resulting Numbers: [16, 22, 40] Generated Node #2: [16, 22, 40] from Operation: 77-37=40 Current State: 78:[16, 22, 40], Operations: ['77-37=40'] Exploring Operation: 16+22=38, Resulting Numbers: [40, 38] Generated Node #3: [40, 38] from Operation: 16+22=38 Current State: 78:[40, 38], Operations: ['77-37=40', '16+22=38'] Exploring Operation: 40+38=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[77, 37, 16, 22], Operations: [] Exploring Operation: 37-22=15, Resulting Numbers: [77, 16, 15] Generated Node #0,0: 78:[77, 16, 15] Operation: 37-22=15 Exploring Operation: 77-37=40, Resulting Numbers: [16, 22, 40] Generated Node #0,1: 78:[16, 22, 40] Operation: 77-37=40 Exploring Operation: 22-16=6, Resulting Numbers: [77, 37, 6] Generated Node #0,2: 78:[77, 37, 6] Operation: 22-16=6 Exploring Operation: 16+22=38, Resulting Numbers: [77, 37, 38] Generated Node #0,3: 78:[77, 37, 38] Operation: 16+22=38 Start Sub Search at level 1: Moving to Node #0,2 Current State: 78:[77, 37, 6], Operations: ['22-16=6'] Exploring Operation: 37+6=43, Resulting Numbers: [77, 43] Generated Node #0,2,0: 78:[77, 43] Operation: 37+6=43 Exploring Operation: 77+6=83, Resulting Numbers: [37, 83] Generated Node #0,2,1: 78:[37, 83] Operation: 77+6=83 Exploring Operation: 37-6=31, Resulting Numbers: [77, 31] Generated Node #0,2,2: 78:[77, 31] Operation: 37-6=31 Exploring Operation: 77-37=40, Resulting Numbers: [6, 40] Generated Node #0,2,3: 78:[6, 40] Operation: 77-37=40 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 78:[6, 40], Operations: ['22-16=6', '77-37=40'] Exploring Operation: 6+40=46, Resulting Numbers: [46] 46,78 unequal: No Solution Exploring Operation: 6*40=240, Resulting Numbers: [240] 240,78 unequal: No Solution Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,78 unequal: No Solution No 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: 78:[77, 43], Operations: ['22-16=6', '37+6=43'] Exploring Operation: 77*43=3311, Resulting Numbers: [3311] 3311,78 unequal: No Solution Exploring Operation: 77+43=120, Resulting Numbers: [120] 120,78 unequal: No Solution Exploring Operation: 77-43=34, Resulting Numbers: [34] 34,78 unequal: No Solution No 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: 78:[77, 31], Operations: ['22-16=6', '37-6=31'] Exploring Operation: 77+31=108, Resulting Numbers: [108] 108,78 unequal: No Solution Exploring Operation: 77*31=2387, Resulting Numbers: [2387] 2387,78 unequal: No Solution Exploring Operation: 77-31=46, Resulting Numbers: [46] 46,78 unequal: No Solution No 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: 78:[37, 83], Operations: ['22-16=6', '77+6=83'] Exploring Operation: 37*83=3071, Resulting Numbers: [3071] 3071,78 unequal: No Solution Exploring Operation: 83-37=46, Resulting Numbers: [46] 46,78 unequal: No Solution Exploring Operation: 37+83=120, Resulting Numbers: [120] 120,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 78:[77, 37, 38], Operations: ['16+22=38'] Exploring Operation: 77-38=39, Resulting Numbers: [37, 39] Generated Node #0,3,0: 78:[37, 39] Operation: 77-38=39 Exploring Operation: 38-37=1, Resulting Numbers: [77, 1] Generated Node #0,3,1: 78:[77, 1] Operation: 38-37=1 Exploring Operation: 77-37=40, Resulting Numbers: [38, 40] Generated Node #0,3,2: 78:[38, 40] Operation: 77-37=40 Exploring Operation: 37+38=75, Resulting Numbers: [77, 75] Generated Node #0,3,3: 78:[77, 75] Operation: 37+38=75 Moving to Node #0,3,0 Current State: 78:[37, 39], Operations: ['16+22=38', '77-38=39'] Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,78 unequal: No Solution Exploring Operation: 37*39=1443, Resulting Numbers: [1443] 1443,78 unequal: No Solution Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,78 unequal: No Solution Moving to Node #0,3,2 Current State: 78:[38, 40], Operations: ['16+22=38', '77-37=40'] Exploring Operation: 40-38=2, Resulting Numbers: [2] 2,78 unequal: No Solution Exploring Operation: 38+40=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[77, 37, 16, 22], Operations: [] Exploring Operation: 16+22=38, Resulting Numbers: [77, 37, 38] Generated Node #0,3: 78:[77, 37, 38] Operation: 16+22=38 Moving to Node #0,3 Current State: 78:[77, 37, 38], Operations: ['16+22=38'] Exploring Operation: 77-37=40, Resulting Numbers: [38, 40] Generated Node #0,3,2: 78:[38, 40] Operation: 77-37=40 Moving to Node #0,3,2 Current State: 78:[38, 40], Operations: ['16+22=38', '77-37=40'] Exploring Operation: 38+40=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
mult_heuristic
[ 48, 7, 14, 42 ]
46
[ "7+14=21", "42/21=2", "48-2=46" ]
Current State: 46:[48, 7, 14, 42], Operations: [] Exploring Operation: 7+14=21, Resulting Numbers: [48, 42, 21] Generated Node #2: [48, 42, 21] from Operation: 7+14=21 Current State: 46:[48, 42, 21], Operations: ['7+14=21'] Exploring Operation: 42/21=2, Resulting Numbers: [48, 2] Generated Node #3: [48, 2] from Operation: 42/21=2 Current State: 46:[48, 2], Operations: ['7+14=21', '42/21=2'] Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[48, 7, 14, 42], Operations: [] Exploring Operation: 14/7=2, Resulting Numbers: [48, 42, 2] Generated Node #0,0: 46:[48, 42, 2] Operation: 14/7=2 Exploring Operation: 7+14=21, Resulting Numbers: [48, 42, 21] Generated Node #0,1: 46:[48, 42, 21] Operation: 7+14=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[48, 42, 2], Operations: ['14/7=2'] Exploring Operation: 48-42=6, Resulting Numbers: [2, 6] Generated Node #0,0,0: 46:[2, 6] Operation: 48-42=6 Exploring Operation: 48-2=46, Resulting Numbers: [42, 46] Generated Node #0,0,1: 46:[42, 46] Operation: 48-2=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 46:[2, 6], Operations: ['14/7=2', '48-42=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,46 unequal: No Solution No 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: 46:[42, 46], Operations: ['14/7=2', '48-2=46'] Exploring Operation: 46-42=4, Resulting Numbers: [4] 4,46 unequal: No Solution Exploring Operation: 42+46=88, Resulting Numbers: [88] 88,46 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: 46:[48, 42, 21], Operations: ['7+14=21'] Exploring Operation: 42/21=2, Resulting Numbers: [48, 2] Generated Node #0,1,0: 46:[48, 2] Operation: 42/21=2 Exploring Operation: 42-21=21, Resulting Numbers: [48, 21] Generated Node #0,1,1: 46:[48, 21] Operation: 42-21=21 Moving to Node #0,1,0 Current State: 46:[48, 2], Operations: ['7+14=21', '42/21=2'] Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,46 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[48, 7, 14, 42], Operations: [] Exploring Operation: 7+14=21, Resulting Numbers: [48, 42, 21] Generated Node #0,1: 46:[48, 42, 21] Operation: 7+14=21 Moving to Node #0,1 Current State: 46:[48, 42, 21], Operations: ['7+14=21'] Exploring Operation: 42/21=2, Resulting Numbers: [48, 2] Generated Node #0,1,0: 46:[48, 2] Operation: 42/21=2 Moving to Node #0,1,0 Current State: 46:[48, 2], Operations: ['7+14=21', '42/21=2'] Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 6, 2, 16, 89 ]
39
[ "6+2=8", "16*8=128", "128-89=39" ]
Current State: 39:[6, 2, 16, 89], Operations: [] Exploring Operation: 6+2=8, Resulting Numbers: [16, 89, 8] Generated Node #2: [16, 89, 8] from Operation: 6+2=8 Current State: 39:[16, 89, 8], Operations: ['6+2=8'] Exploring Operation: 16*8=128, Resulting Numbers: [89, 128] Generated Node #3: [89, 128] from Operation: 16*8=128 Current State: 39:[89, 128], Operations: ['6+2=8', '16*8=128'] Exploring Operation: 128-89=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[6, 2, 16, 89], Operations: [] Exploring Operation: 6/2=3, Resulting Numbers: [16, 89, 3] Generated Node #0,0: 39:[16, 89, 3] Operation: 6/2=3 Exploring Operation: 89-6=83, Resulting Numbers: [2, 16, 83] Generated Node #0,1: 39:[2, 16, 83] Operation: 89-6=83 Exploring Operation: 6*2=12, Resulting Numbers: [16, 89, 12] Generated Node #0,2: 39:[16, 89, 12] Operation: 6*2=12 Exploring Operation: 89-16=73, Resulting Numbers: [6, 2, 73] Generated Node #0,3: 39:[6, 2, 73] Operation: 89-16=73 Start Sub Search at level 1: Moving to Node #0,3 Current State: 39:[6, 2, 73], Operations: ['89-16=73'] Exploring Operation: 6/2=3, Resulting Numbers: [73, 3] Generated Node #0,3,0: 39:[73, 3] Operation: 6/2=3 Exploring Operation: 73-6=67, Resulting Numbers: [2, 67] Generated Node #0,3,1: 39:[2, 67] Operation: 73-6=67 Exploring Operation: 6*2=12, Resulting Numbers: [73, 12] Generated Node #0,3,2: 39:[73, 12] Operation: 6*2=12 Exploring Operation: 6-2=4, Resulting Numbers: [73, 4] Generated Node #0,3,3: 39:[73, 4] Operation: 6-2=4 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 39:[2, 67], Operations: ['89-16=73', '73-6=67'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,39 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,39 unequal: No Solution Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 39:[73, 3], Operations: ['89-16=73', '6/2=3'] Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,39 unequal: No Solution Exploring Operation: 73+3=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 73*3=219, Resulting Numbers: [219] 219,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 39:[73, 12], Operations: ['89-16=73', '6*2=12'] Exploring Operation: 73-12=61, Resulting Numbers: [61] 61,39 unequal: No Solution Exploring Operation: 73*12=876, Resulting Numbers: [876] 876,39 unequal: No Solution Exploring Operation: 73+12=85, Resulting Numbers: [85] 85,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 39:[73, 4], Operations: ['89-16=73', '6-2=4'] Exploring Operation: 73*4=292, Resulting Numbers: [292] 292,39 unequal: No Solution Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,39 unequal: No Solution Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[2, 16, 83], Operations: ['89-6=83'] Exploring Operation: 83-16=67, Resulting Numbers: [2, 67] Generated Node #0,1,0: 39:[2, 67] Operation: 83-16=67 Exploring Operation: 83-2=81, Resulting Numbers: [16, 81] Generated Node #0,1,1: 39:[16, 81] Operation: 83-2=81 Exploring Operation: 2+16=18, Resulting Numbers: [83, 18] Generated Node #0,1,2: 39:[83, 18] Operation: 2+16=18 Exploring Operation: 16-2=14, Resulting Numbers: [83, 14] Generated Node #0,1,3: 39:[83, 14] Operation: 16-2=14 Moving to Node #0,1,0 Current State: 39:[2, 67], Operations: ['89-6=83', '83-16=67'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,39 unequal: No Solution Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,39 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,39 unequal: No Solution Moving to Node #0,1,3 Current State: 39:[83, 14], Operations: ['89-6=83', '16-2=14'] Exploring Operation: 83*14=1162, Resulting Numbers: [1162] 1162,39 unequal: No Solution Exploring Operation: 83+14=97, Resulting Numbers: [97] 97,39 unequal: No Solution Exploring Operation: 83-14=69, Resulting Numbers: [69] 69,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[16, 81], Operations: ['89-6=83', '83-2=81'] Exploring Operation: 16*81=1296, Resulting Numbers: [1296] 1296,39 unequal: No Solution Exploring Operation: 81-16=65, Resulting Numbers: [65] 65,39 unequal: No Solution Exploring Operation: 16+81=97, Resulting Numbers: [97] 97,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[83, 18], Operations: ['89-6=83', '2+16=18'] Exploring Operation: 83-18=65, Resulting Numbers: [65] 65,39 unequal: No Solution Exploring Operation: 83+18=101, Resulting Numbers: [101] 101,39 unequal: No Solution Exploring Operation: 83*18=1494, Resulting Numbers: [1494] 1494,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[16, 89, 3], Operations: ['6/2=3'] Exploring Operation: 16-3=13, Resulting Numbers: [89, 13] Generated Node #0,0,0: 39:[89, 13] Operation: 16-3=13 Exploring Operation: 16+3=19, Resulting Numbers: [89, 19] Generated Node #0,0,1: 39:[89, 19] Operation: 16+3=19 Exploring Operation: 89-16=73, Resulting Numbers: [3, 73] Generated Node #0,0,2: 39:[3, 73] Operation: 89-16=73 Exploring Operation: 89-3=86, Resulting Numbers: [16, 86] Generated Node #0,0,3: 39:[16, 86] Operation: 89-3=86 Moving to Node #0,0,2 Current State: 39:[3, 73], Operations: ['6/2=3', '89-16=73'] Exploring Operation: 73-3=70, Resulting Numbers: [70] 70,39 unequal: No Solution Exploring Operation: 3*73=219, Resulting Numbers: [219] 219,39 unequal: No Solution Exploring Operation: 3+73=76, Resulting Numbers: [76] 76,39 unequal: No Solution Moving to Node #0,0,3 Current State: 39:[16, 86], Operations: ['6/2=3', '89-3=86'] Exploring Operation: 16+86=102, Resulting Numbers: [102] 102,39 unequal: No Solution Exploring Operation: 86-16=70, Resulting Numbers: [70] 70,39 unequal: No Solution Exploring Operation: 16*86=1376, Resulting Numbers: [1376] 1376,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[89, 13], Operations: ['6/2=3', '16-3=13'] Exploring Operation: 89-13=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 89+13=102, Resulting Numbers: [102] 102,39 unequal: No Solution Exploring Operation: 89*13=1157, Resulting Numbers: [1157] 1157,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[89, 19], Operations: ['6/2=3', '16+3=19'] Exploring Operation: 89-19=70, Resulting Numbers: [70] 70,39 unequal: No Solution Exploring Operation: 89+19=108, Resulting Numbers: [108] 108,39 unequal: No Solution Exploring Operation: 89*19=1691, Resulting Numbers: [1691] 1691,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[16, 89, 12], Operations: ['6*2=12'] Exploring Operation: 89-12=77, Resulting Numbers: [16, 77] Generated Node #0,2,0: 39:[16, 77] Operation: 89-12=77 Exploring Operation: 16+12=28, Resulting Numbers: [89, 28] Generated Node #0,2,1: 39:[89, 28] Operation: 16+12=28 Exploring Operation: 16-12=4, Resulting Numbers: [89, 4] Generated Node #0,2,2: 39:[89, 4] Operation: 16-12=4 Exploring Operation: 89-16=73, Resulting Numbers: [12, 73] Generated Node #0,2,3: 39:[12, 73] Operation: 89-16=73 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 39:[12, 73], Operations: ['6*2=12', '89-16=73'] Exploring Operation: 12*73=876, Resulting Numbers: [876] 876,39 unequal: No Solution Exploring Operation: 73-12=61, Resulting Numbers: [61] 61,39 unequal: No Solution Exploring Operation: 12+73=85, Resulting Numbers: [85] 85,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 39:[16, 77], Operations: ['6*2=12', '89-12=77'] Exploring Operation: 16*77=1232, Resulting Numbers: [1232] 1232,39 unequal: No Solution Exploring Operation: 77-16=61, Resulting Numbers: [61] 61,39 unequal: No Solution Exploring Operation: 16+77=93, Resulting Numbers: [93] 93,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 39:[89, 4], Operations: ['6*2=12', '16-12=4'] Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,39 unequal: No Solution Exploring Operation: 89*4=356, Resulting Numbers: [356] 356,39 unequal: No Solution Exploring Operation: 89+4=93, Resulting Numbers: [93] 93,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 39:[89, 28], Operations: ['6*2=12', '16+12=28'] Exploring Operation: 89*28=2492, Resulting Numbers: [2492] 2492,39 unequal: No Solution Exploring Operation: 89-28=61, Resulting Numbers: [61] 61,39 unequal: No Solution Exploring Operation: 89+28=117, Resulting Numbers: [117] 117,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 64, 2, 78, 70 ]
95
[ "64+70=134", "78/2=39", "134-39=95" ]
Current State: 95:[64, 2, 78, 70], Operations: [] Exploring Operation: 64+70=134, Resulting Numbers: [2, 78, 134] Generated Node #2: [2, 78, 134] from Operation: 64+70=134 Current State: 95:[2, 78, 134], Operations: ['64+70=134'] Exploring Operation: 78/2=39, Resulting Numbers: [134, 39] Generated Node #3: [134, 39] from Operation: 78/2=39 Current State: 95:[134, 39], Operations: ['64+70=134', '78/2=39'] Exploring Operation: 134-39=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[64, 2, 78, 70], Operations: [] Exploring Operation: 70-64=6, Resulting Numbers: [2, 78, 6] Generated Node #0,0: 95:[2, 78, 6] Operation: 70-64=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[2, 78, 6], Operations: ['70-64=6'] Exploring Operation: 78/6=13, Resulting Numbers: [2, 13] Generated Node #0,0,0: 95:[2, 13] Operation: 78/6=13 Moving to Node #0,0,0 Current State: 95:[2, 13], Operations: ['70-64=6', '78/6=13'] Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,95 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
[ 62, 28, 65, 5 ]
99
[ "65-62=3", "28+5=33", "3*33=99" ]
Current State: 99:[62, 28, 65, 5], Operations: [] Exploring Operation: 65-62=3, Resulting Numbers: [28, 5, 3] Generated Node #2: [28, 5, 3] from Operation: 65-62=3 Current State: 99:[28, 5, 3], Operations: ['65-62=3'] Exploring Operation: 28+5=33, Resulting Numbers: [3, 33] Generated Node #3: [3, 33] from Operation: 28+5=33 Current State: 99:[3, 33], Operations: ['65-62=3', '28+5=33'] Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[62, 28, 65, 5], Operations: [] Exploring Operation: 62+65=127, Resulting Numbers: [28, 5, 127] Generated Node #0,0: 99:[28, 5, 127] Operation: 62+65=127 Exploring Operation: 65-28=37, Resulting Numbers: [62, 5, 37] Generated Node #0,1: 99:[62, 5, 37] Operation: 65-28=37 Exploring Operation: 62-28=34, Resulting Numbers: [65, 5, 34] Generated Node #0,2: 99:[65, 5, 34] Operation: 62-28=34 Exploring Operation: 65-62=3, Resulting Numbers: [28, 5, 3] Generated Node #0,3: 99:[28, 5, 3] Operation: 65-62=3 Moving to Node #0,3 Current State: 99:[28, 5, 3], Operations: ['65-62=3'] Exploring Operation: 28+3=31, Resulting Numbers: [5, 31] Generated Node #0,3,0: 99:[5, 31] Operation: 28+3=31 Exploring Operation: 5+3=8, Resulting Numbers: [28, 8] Generated Node #0,3,1: 99:[28, 8] Operation: 5+3=8 Exploring Operation: 5-3=2, Resulting Numbers: [28, 2] Generated Node #0,3,2: 99:[28, 2] Operation: 5-3=2 Exploring Operation: 28+5=33, Resulting Numbers: [3, 33] Generated Node #0,3,3: 99:[3, 33] Operation: 28+5=33 Moving to Node #0,1 Current State: 99:[62, 5, 37], Operations: ['65-28=37'] Exploring Operation: 62-37=25, Resulting Numbers: [5, 25] Generated Node #0,1,0: 99:[5, 25] Operation: 62-37=25 Exploring Operation: 37-5=32, Resulting Numbers: [62, 32] Generated Node #0,1,1: 99:[62, 32] Operation: 37-5=32 Exploring Operation: 62-5=57, Resulting Numbers: [37, 57] Generated Node #0,1,2: 99:[37, 57] Operation: 62-5=57 Exploring Operation: 62+37=99, Resulting Numbers: [5, 99] Generated Node #0,1,3: 99:[5, 99] Operation: 62+37=99 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 99:[5, 99], Operations: ['65-28=37', '62+37=99'] Exploring Operation: 5*99=495, Resulting Numbers: [495] 495,99 unequal: No Solution Exploring Operation: 5+99=104, Resulting Numbers: [104] 104,99 unequal: No Solution Exploring Operation: 99-5=94, Resulting Numbers: [94] 94,99 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 #0,1,0 Current State: 99:[5, 25], Operations: ['65-28=37', '62-37=25'] Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,99 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,99 unequal: No Solution Exploring Operation: 5*25=125, Resulting Numbers: [125] 125,99 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 #0,1,2 Current State: 99:[37, 57], Operations: ['65-28=37', '62-5=57'] Exploring Operation: 37*57=2109, Resulting Numbers: [2109] 2109,99 unequal: No Solution Exploring Operation: 57-37=20, Resulting Numbers: [20] 20,99 unequal: No Solution Exploring Operation: 37+57=94, Resulting Numbers: [94] 94,99 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 #0,1,1 Current State: 99:[62, 32], Operations: ['65-28=37', '37-5=32'] Exploring Operation: 62+32=94, Resulting Numbers: [94] 94,99 unequal: No Solution Exploring Operation: 62*32=1984, Resulting Numbers: [1984] 1984,99 unequal: No Solution Exploring Operation: 62-32=30, Resulting Numbers: [30] 30,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 99:[28, 5, 127], Operations: ['62+65=127'] Exploring Operation: 28+5=33, Resulting Numbers: [127, 33] Generated Node #0,0,0: 99:[127, 33] Operation: 28+5=33 Exploring Operation: 127-5=122, Resulting Numbers: [28, 122] Generated Node #0,0,1: 99:[28, 122] Operation: 127-5=122 Exploring Operation: 28-5=23, Resulting Numbers: [127, 23] Generated Node #0,0,2: 99:[127, 23] Operation: 28-5=23 Exploring Operation: 127-28=99, Resulting Numbers: [5, 99] Generated Node #0,0,3: 99:[5, 99] Operation: 127-28=99 Moving to Node #0,2 Current State: 99:[65, 5, 34], Operations: ['62-28=34'] Exploring Operation: 65/5=13, Resulting Numbers: [34, 13] Generated Node #0,2,0: 99:[34, 13] Operation: 65/5=13 Exploring Operation: 65-34=31, Resulting Numbers: [5, 31] Generated Node #0,2,1: 99:[5, 31] Operation: 65-34=31 Exploring Operation: 65-5=60, Resulting Numbers: [34, 60] Generated Node #0,2,2: 99:[34, 60] Operation: 65-5=60 Exploring Operation: 65+34=99, Resulting Numbers: [5, 99] Generated Node #0,2,3: 99:[5, 99] Operation: 65+34=99 Moving to Node #0,3,3 Current State: 99:[3, 33], Operations: ['65-62=3', '28+5=33'] Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[62, 28, 65, 5], Operations: [] Exploring Operation: 65-62=3, Resulting Numbers: [28, 5, 3] Generated Node #0,3: 99:[28, 5, 3] Operation: 65-62=3 Moving to Node #0,3 Current State: 99:[28, 5, 3], Operations: ['65-62=3'] Exploring Operation: 28+5=33, Resulting Numbers: [3, 33] Generated Node #0,3,3: 99:[3, 33] Operation: 28+5=33 Moving to Node #0,3,3 Current State: 99:[3, 33], Operations: ['65-62=3', '28+5=33'] Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
0.967014
hs_4
sum_heuristic
[ 73, 60, 3, 98 ]
82
[ "73-60=13", "98-3=95", "95-13=82" ]
Current State: 82:[73, 60, 3, 98], Operations: [] Exploring Operation: 73-60=13, Resulting Numbers: [3, 98, 13] Generated Node #2: [3, 98, 13] from Operation: 73-60=13 Current State: 82:[3, 98, 13], Operations: ['73-60=13'] Exploring Operation: 98-3=95, Resulting Numbers: [13, 95] Generated Node #3: [13, 95] from Operation: 98-3=95 Current State: 82:[13, 95], Operations: ['73-60=13', '98-3=95'] Exploring Operation: 95-13=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[73, 60, 3, 98], Operations: [] Exploring Operation: 98-60=38, Resulting Numbers: [73, 3, 38] Generated Node #0,0: 82:[73, 3, 38] Operation: 98-60=38 Exploring Operation: 73-60=13, Resulting Numbers: [3, 98, 13] Generated Node #0,1: 82:[3, 98, 13] Operation: 73-60=13 Exploring Operation: 73+3=76, Resulting Numbers: [60, 98, 76] Generated Node #0,2: 82:[60, 98, 76] Operation: 73+3=76 Exploring Operation: 60-3=57, Resulting Numbers: [73, 98, 57] Generated Node #0,3: 82:[73, 98, 57] Operation: 60-3=57 Exploring Operation: 98-73=25, Resulting Numbers: [60, 3, 25] Generated Node #0,4: 82:[60, 3, 25] Operation: 98-73=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[73, 3, 38], Operations: ['98-60=38'] Exploring Operation: 73-3=70, Resulting Numbers: [38, 70] Generated Node #0,0,0: 82:[38, 70] Operation: 73-3=70 Exploring Operation: 3+38=41, Resulting Numbers: [73, 41] Generated Node #0,0,1: 82:[73, 41] Operation: 3+38=41 Exploring Operation: 73-38=35, Resulting Numbers: [3, 35] Generated Node #0,0,2: 82:[3, 35] Operation: 73-38=35 Exploring Operation: 38-3=35, Resulting Numbers: [73, 35] Generated Node #0,0,3: 82:[73, 35] Operation: 38-3=35 Exploring Operation: 73+3=76, Resulting Numbers: [38, 76] Generated Node #0,0,4: 82:[38, 76] Operation: 73+3=76 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 82:[3, 35], Operations: ['98-60=38', '73-38=35'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,82 unequal: No Solution Exploring Operation: 3*35=105, Resulting Numbers: [105] 105,82 unequal: No Solution Exploring Operation: 3+35=38, Resulting Numbers: [38] 38,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[73, 41], Operations: ['98-60=38', '3+38=41'] Exploring Operation: 73+41=114, Resulting Numbers: [114] 114,82 unequal: No Solution Exploring Operation: 73-41=32, Resulting Numbers: [32] 32,82 unequal: No Solution Exploring Operation: 73*41=2993, Resulting Numbers: [2993] 2993,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 82:[38, 76], Operations: ['98-60=38', '73+3=76'] Exploring Operation: 76-38=38, Resulting Numbers: [38] 38,82 unequal: No Solution Exploring Operation: 76/38=2, Resulting Numbers: [2] 2,82 unequal: No Solution Exploring Operation: 38+76=114, Resulting Numbers: [114] 114,82 unequal: No Solution Exploring Operation: 38*76=2888, Resulting Numbers: [2888] 2888,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[38, 70], Operations: ['98-60=38', '73-3=70'] Exploring Operation: 38+70=108, Resulting Numbers: [108] 108,82 unequal: No Solution Exploring Operation: 38*70=2660, Resulting Numbers: [2660] 2660,82 unequal: No Solution Exploring Operation: 70-38=32, Resulting Numbers: [32] 32,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 82:[73, 35], Operations: ['98-60=38', '38-3=35'] Exploring Operation: 73-35=38, Resulting Numbers: [38] 38,82 unequal: No Solution Exploring Operation: 73*35=2555, Resulting Numbers: [2555] 2555,82 unequal: No Solution Exploring Operation: 73+35=108, Resulting Numbers: [108] 108,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[3, 98, 13], Operations: ['73-60=13'] Exploring Operation: 13-3=10, Resulting Numbers: [98, 10] Generated Node #0,1,0: 82:[98, 10] Operation: 13-3=10 Exploring Operation: 3+98=101, Resulting Numbers: [13, 101] Generated Node #0,1,1: 82:[13, 101] Operation: 3+98=101 Exploring Operation: 3*13=39, Resulting Numbers: [98, 39] Generated Node #0,1,2: 82:[98, 39] Operation: 3*13=39 Exploring Operation: 98-3=95, Resulting Numbers: [13, 95] Generated Node #0,1,3: 82:[13, 95] Operation: 98-3=95 Exploring Operation: 98-13=85, Resulting Numbers: [3, 85] Generated Node #0,1,4: 82:[3, 85] Operation: 98-13=85 Moving to Node #0,1,4 Current State: 82:[3, 85], Operations: ['73-60=13', '98-13=85'] Exploring Operation: 3+85=88, Resulting Numbers: [88] 88,82 unequal: No Solution Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[73, 60, 3, 98], Operations: [] Exploring Operation: 73-60=13, Resulting Numbers: [3, 98, 13] Generated Node #0,1: 82:[3, 98, 13] Operation: 73-60=13 Moving to Node #0,1 Current State: 82:[3, 98, 13], Operations: ['73-60=13'] Exploring Operation: 98-13=85, Resulting Numbers: [3, 85] Generated Node #0,1,4: 82:[3, 85] Operation: 98-13=85 Moving to Node #0,1,4 Current State: 82:[3, 85], Operations: ['73-60=13', '98-13=85'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 79, 24, 36, 47 ]
48
[ "79-47=32", "36*32=1152", "1152/24=48" ]
Current State: 48:[79, 24, 36, 47], Operations: [] Exploring Operation: 79-47=32, Resulting Numbers: [24, 36, 32] Generated Node #2: [24, 36, 32] from Operation: 79-47=32 Current State: 48:[24, 36, 32], Operations: ['79-47=32'] Exploring Operation: 36*32=1152, Resulting Numbers: [24, 1152] Generated Node #3: [24, 1152] from Operation: 36*32=1152 Current State: 48:[24, 1152], Operations: ['79-47=32', '36*32=1152'] Exploring Operation: 1152/24=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[79, 24, 36, 47], Operations: [] Exploring Operation: 79-36=43, Resulting Numbers: [24, 47, 43] Generated Node #0,0: 48:[24, 47, 43] Operation: 79-36=43 Exploring Operation: 79-24=55, Resulting Numbers: [36, 47, 55] Generated Node #0,1: 48:[36, 47, 55] Operation: 79-24=55 Exploring Operation: 79-47=32, Resulting Numbers: [24, 36, 32] Generated Node #0,2: 48:[24, 36, 32] Operation: 79-47=32 Moving to Node #0,0 Current State: 48:[24, 47, 43], Operations: ['79-36=43'] Exploring Operation: 47-24=23, Resulting Numbers: [43, 23] Generated Node #0,0,0: 48:[43, 23] Operation: 47-24=23 Exploring Operation: 43-24=19, Resulting Numbers: [47, 19] Generated Node #0,0,1: 48:[47, 19] Operation: 43-24=19 Exploring Operation: 47-43=4, Resulting Numbers: [24, 4] Generated Node #0,0,2: 48:[24, 4] Operation: 47-43=4 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 48:[24, 4], Operations: ['79-36=43', '47-43=4'] Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,48 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,48 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 #0,0,1 Current State: 48:[47, 19], Operations: ['79-36=43', '43-24=19'] Exploring Operation: 47-19=28, Resulting Numbers: [28] 28,48 unequal: No Solution Exploring Operation: 47+19=66, Resulting Numbers: [66] 66,48 unequal: No Solution Exploring Operation: 47*19=893, Resulting Numbers: [893] 893,48 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 #0,0,0 Current State: 48:[43, 23], Operations: ['79-36=43', '47-24=23'] Exploring Operation: 43+23=66, Resulting Numbers: [66] 66,48 unequal: No Solution Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 43*23=989, Resulting Numbers: [989] 989,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 48:[36, 47, 55], Operations: ['79-24=55'] Exploring Operation: 47-36=11, Resulting Numbers: [55, 11] Generated Node #0,1,0: 48:[55, 11] Operation: 47-36=11 Exploring Operation: 55-36=19, Resulting Numbers: [47, 19] Generated Node #0,1,1: 48:[47, 19] Operation: 55-36=19 Exploring Operation: 55-47=8, Resulting Numbers: [36, 8] Generated Node #0,1,2: 48:[36, 8] Operation: 55-47=8 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[47, 19], Operations: ['79-24=55', '55-36=19'] Exploring Operation: 47+19=66, Resulting Numbers: [66] 66,48 unequal: No Solution Exploring Operation: 47*19=893, Resulting Numbers: [893] 893,48 unequal: No Solution Exploring Operation: 47-19=28, Resulting Numbers: [28] 28,48 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:[55, 11], Operations: ['79-24=55', '47-36=11'] Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,48 unequal: No Solution Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,48 unequal: No Solution Exploring Operation: 55+11=66, Resulting Numbers: [66] 66,48 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:[36, 8], Operations: ['79-24=55', '55-47=8'] Exploring Operation: 36*8=288, Resulting Numbers: [288] 288,48 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,48 unequal: No Solution Exploring Operation: 36+8=44, Resulting Numbers: [44] 44,48 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: 48:[24, 36, 32], Operations: ['79-47=32'] Exploring Operation: 32-24=8, Resulting Numbers: [36, 8] Generated Node #0,2,0: 48:[36, 8] Operation: 32-24=8 Exploring Operation: 36-24=12, Resulting Numbers: [32, 12] Generated Node #0,2,1: 48:[32, 12] Operation: 36-24=12 Exploring Operation: 36-32=4, Resulting Numbers: [24, 4] Generated Node #0,2,2: 48:[24, 4] Operation: 36-32=4 Moving to Node #0,2,2 Current State: 48:[24, 4], Operations: ['79-47=32', '36-32=4'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,48 unequal: No Solution Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,48 unequal: No Solution Moving to Node #0,2,1 Current State: 48:[32, 12], Operations: ['79-47=32', '36-24=12'] Exploring Operation: 32+12=44, Resulting Numbers: [44] 44,48 unequal: No Solution Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,48 unequal: No Solution Exploring Operation: 32*12=384, Resulting Numbers: [384] 384,48 unequal: No Solution Moving to Node #0,2,0 Current State: 48:[36, 8], Operations: ['79-47=32', '32-24=8'] Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,48 unequal: No Solution Exploring Operation: 36+8=44, Resulting Numbers: [44] 44,48 unequal: No Solution Exploring Operation: 36*8=288, Resulting Numbers: [288] 288,48 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 11, 63, 8, 19 ]
79
[ "63-11=52", "8+19=27", "52+27=79" ]
Current State: 79:[11, 63, 8, 19], Operations: [] Exploring Operation: 63-11=52, Resulting Numbers: [8, 19, 52] Generated Node #2: [8, 19, 52] from Operation: 63-11=52 Current State: 79:[8, 19, 52], Operations: ['63-11=52'] Exploring Operation: 8+19=27, Resulting Numbers: [52, 27] Generated Node #3: [52, 27] from Operation: 8+19=27 Current State: 79:[52, 27], Operations: ['63-11=52', '8+19=27'] Exploring Operation: 52+27=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[11, 63, 8, 19], Operations: [] Exploring Operation: 11*8=88, Resulting Numbers: [63, 19, 88] Generated Node #0,0: 79:[63, 19, 88] Operation: 11*8=88 Moving to Node #0,0 Current State: 79:[63, 19, 88], Operations: ['11*8=88'] Exploring Operation: 63+19=82, Resulting Numbers: [88, 82] Generated Node #0,0,0: 79:[88, 82] Operation: 63+19=82 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[88, 82], Operations: ['11*8=88', '63+19=82'] Exploring Operation: 88-82=6, Resulting Numbers: [6] 6,79 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
[ 81, 77, 14, 10 ]
46
[ "81-77=4", "14*4=56", "56-10=46" ]
Current State: 46:[81, 77, 14, 10], Operations: [] Exploring Operation: 81-77=4, Resulting Numbers: [14, 10, 4] Generated Node #2: [14, 10, 4] from Operation: 81-77=4 Current State: 46:[14, 10, 4], Operations: ['81-77=4'] Exploring Operation: 14*4=56, Resulting Numbers: [10, 56] Generated Node #3: [10, 56] from Operation: 14*4=56 Current State: 46:[10, 56], Operations: ['81-77=4', '14*4=56'] Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[81, 77, 14, 10], Operations: [] Exploring Operation: 77-14=63, Resulting Numbers: [81, 10, 63] Generated Node #0,0: 46:[81, 10, 63] Operation: 77-14=63 Exploring Operation: 81-14=67, Resulting Numbers: [77, 10, 67] Generated Node #0,1: 46:[77, 10, 67] Operation: 81-14=67 Exploring Operation: 81-77=4, Resulting Numbers: [14, 10, 4] Generated Node #0,2: 46:[14, 10, 4] Operation: 81-77=4 Exploring Operation: 77-10=67, Resulting Numbers: [81, 14, 67] Generated Node #0,3: 46:[81, 14, 67] Operation: 77-10=67 Exploring Operation: 81-10=71, Resulting Numbers: [77, 14, 71] Generated Node #0,4: 46:[77, 14, 71] Operation: 81-10=71 Moving to Node #0,2 Current State: 46:[14, 10, 4], Operations: ['81-77=4'] Exploring Operation: 14+10=24, Resulting Numbers: [4, 24] Generated Node #0,2,0: 46:[4, 24] Operation: 14+10=24 Exploring Operation: 14-10=4, Resulting Numbers: [4, 4] Generated Node #0,2,1: 46:[4, 4] Operation: 14-10=4 Exploring Operation: 10-4=6, Resulting Numbers: [14, 6] Generated Node #0,2,2: 46:[14, 6] Operation: 10-4=6 Exploring Operation: 14+4=18, Resulting Numbers: [10, 18] Generated Node #0,2,3: 46:[10, 18] Operation: 14+4=18 Exploring Operation: 10*4=40, Resulting Numbers: [14, 40] Generated Node #0,2,4: 46:[14, 40] Operation: 10*4=40 Moving to Node #0,1 Current State: 46:[77, 10, 67], Operations: ['81-14=67'] Exploring Operation: 77-10=67, Resulting Numbers: [67, 67] Generated Node #0,1,0: 46:[67, 67] Operation: 77-10=67 Exploring Operation: 77+10=87, Resulting Numbers: [67, 87] Generated Node #0,1,1: 46:[67, 87] Operation: 77+10=87 Exploring Operation: 67-10=57, Resulting Numbers: [77, 57] Generated Node #0,1,2: 46:[77, 57] Operation: 67-10=57 Exploring Operation: 10+67=77, Resulting Numbers: [77, 77] Generated Node #0,1,3: 46:[77, 77] Operation: 10+67=77 Exploring Operation: 77-67=10, Resulting Numbers: [10, 10] Generated Node #0,1,4: 46:[10, 10] Operation: 77-67=10 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 46:[10, 10], Operations: ['81-14=67', '77-67=10'] Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,46 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,46 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,46 unequal: No Solution Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,46 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 #0,1,0 Current State: 46:[67, 67], Operations: ['81-14=67', '77-10=67'] Exploring Operation: 67-67=0, Resulting Numbers: [0] 0,46 unequal: No Solution Exploring Operation: 67/67=1, Resulting Numbers: [1] 1,46 unequal: No Solution Exploring Operation: 67+67=134, Resulting Numbers: [134] 134,46 unequal: No Solution Exploring Operation: 67*67=4489, Resulting Numbers: [4489] 4489,46 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 #0,1,2 Current State: 46:[77, 57], Operations: ['81-14=67', '67-10=57'] Exploring Operation: 77*57=4389, Resulting Numbers: [4389] 4389,46 unequal: No Solution Exploring Operation: 77+57=134, Resulting Numbers: [134] 134,46 unequal: No Solution Exploring Operation: 77-57=20, Resulting Numbers: [20] 20,46 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 #0,1,1 Current State: 46:[67, 87], Operations: ['81-14=67', '77+10=87'] Exploring Operation: 67+87=154, Resulting Numbers: [154] 154,46 unequal: No Solution Exploring Operation: 67*87=5829, Resulting Numbers: [5829] 5829,46 unequal: No Solution Exploring Operation: 87-67=20, Resulting Numbers: [20] 20,46 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 #0,1,3 Current State: 46:[77, 77], Operations: ['81-14=67', '10+67=77'] Exploring Operation: 77+77=154, Resulting Numbers: [154] 154,46 unequal: No Solution Exploring Operation: 77/77=1, Resulting Numbers: [1] 1,46 unequal: No Solution Exploring Operation: 77*77=5929, Resulting Numbers: [5929] 5929,46 unequal: No Solution Exploring Operation: 77-77=0, Resulting Numbers: [0] 0,46 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:[81, 10, 63], Operations: ['77-14=63'] Exploring Operation: 81-10=71, Resulting Numbers: [63, 71] Generated Node #0,0,0: 46:[63, 71] Operation: 81-10=71 Exploring Operation: 10+63=73, Resulting Numbers: [81, 73] Generated Node #0,0,1: 46:[81, 73] Operation: 10+63=73 Exploring Operation: 63-10=53, Resulting Numbers: [81, 53] Generated Node #0,0,2: 46:[81, 53] Operation: 63-10=53 Exploring Operation: 81-63=18, Resulting Numbers: [10, 18] Generated Node #0,0,3: 46:[10, 18] Operation: 81-63=18 Exploring Operation: 81+10=91, Resulting Numbers: [63, 91] Generated Node #0,0,4: 46:[63, 91] Operation: 81+10=91 Moving to Node #0,3 Current State: 46:[81, 14, 67], Operations: ['77-10=67'] Exploring Operation: 81+14=95, Resulting Numbers: [67, 95] Generated Node #0,3,0: 46:[67, 95] Operation: 81+14=95 Exploring Operation: 67-14=53, Resulting Numbers: [81, 53] Generated Node #0,3,1: 46:[81, 53] Operation: 67-14=53 Exploring Operation: 81-67=14, Resulting Numbers: [14, 14] Generated Node #0,3,2: 46:[14, 14] Operation: 81-67=14 Exploring Operation: 81-14=67, Resulting Numbers: [67, 67] Generated Node #0,3,3: 46:[67, 67] Operation: 81-14=67 Exploring Operation: 14+67=81, Resulting Numbers: [81, 81] Generated Node #0,3,4: 46:[81, 81] Operation: 14+67=81 Moving to Node #0,4 Current State: 46:[77, 14, 71], Operations: ['81-10=71'] Exploring Operation: 71-14=57, Resulting Numbers: [77, 57] Generated Node #0,4,0: 46:[77, 57] Operation: 71-14=57 Exploring Operation: 14+71=85, Resulting Numbers: [77, 85] Generated Node #0,4,1: 46:[77, 85] Operation: 14+71=85 Exploring Operation: 77-71=6, Resulting Numbers: [14, 6] Generated Node #0,4,2: 46:[14, 6] Operation: 77-71=6 Exploring Operation: 77-14=63, Resulting Numbers: [71, 63] Generated Node #0,4,3: 46:[71, 63] Operation: 77-14=63 Exploring Operation: 77+14=91, Resulting Numbers: [71, 91] Generated Node #0,4,4: 46:[71, 91] Operation: 77+14=91 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 46:[14, 6], Operations: ['81-10=71', '77-71=6'] Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,46 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 #0,4,0 Current State: 46:[77, 57], Operations: ['81-10=71', '71-14=57'] Exploring Operation: 77-57=20, Resulting Numbers: [20] 20,46 unequal: No Solution Exploring Operation: 77*57=4389, Resulting Numbers: [4389] 4389,46 unequal: No Solution Exploring Operation: 77+57=134, Resulting Numbers: [134] 134,46 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 #0,4,3 Current State: 46:[71, 63], Operations: ['81-10=71', '77-14=63'] Exploring Operation: 71-63=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 71*63=4473, Resulting Numbers: [4473] 4473,46 unequal: No Solution Exploring Operation: 71+63=134, Resulting Numbers: [134] 134,46 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 #0,4,1 Current State: 46:[77, 85], Operations: ['81-10=71', '14+71=85'] Exploring Operation: 77+85=162, Resulting Numbers: [162] 162,46 unequal: No Solution Exploring Operation: 77*85=6545, Resulting Numbers: [6545] 6545,46 unequal: No Solution Exploring Operation: 85-77=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 #0,4,4 Current State: 46:[71, 91], Operations: ['81-10=71', '77+14=91'] Exploring Operation: 91-71=20, Resulting Numbers: [20] 20,46 unequal: No Solution Exploring Operation: 71+91=162, Resulting Numbers: [162] 162,46 unequal: No Solution Exploring Operation: 71*91=6461, Resulting Numbers: [6461] 6461,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 46:[4, 24], Operations: ['81-77=4', '14+10=24'] Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,46 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,46 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 4*24=96, Resulting Numbers: [96] 96,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[4, 4], Operations: ['81-77=4', '14-10=4'] Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,46 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,46 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,46 unequal: No Solution Moving to Node #0,2,2 Current State: 46:[14, 6], Operations: ['81-77=4', '10-4=6'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,46 unequal: No Solution Moving to Node #0,0,3 Current State: 46:[10, 18], Operations: ['77-14=63', '81-63=18'] Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,46 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,46 unequal: No Solution Moving to Node #0,2,3 Current State: 46:[10, 18], Operations: ['81-77=4', '14+4=18'] Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,46 unequal: No Solution Moving to Node #0,2,4 Current State: 46:[14, 40], Operations: ['81-77=4', '10*4=40'] Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,46 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,46 unequal: No Solution Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,46 unequal: No Solution Moving to Node #0,3,2 Current State: 46:[14, 14], Operations: ['77-10=67', '81-67=14'] Exploring Operation: 14-14=0, Resulting Numbers: [0] 0,46 unequal: No Solution Exploring Operation: 14/14=1, Resulting Numbers: [1] 1,46 unequal: No Solution Exploring Operation: 14+14=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 14*14=196, Resulting Numbers: [196] 196,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[63, 71], Operations: ['77-14=63', '81-10=71'] Exploring Operation: 63+71=134, Resulting Numbers: [134] 134,46 unequal: No Solution Exploring Operation: 63*71=4473, Resulting Numbers: [4473] 4473,46 unequal: No Solution Exploring Operation: 71-63=8, Resulting Numbers: [8] 8,46 unequal: No Solution Moving to Node #0,3,3 Current State: 46:[67, 67], Operations: ['77-10=67', '81-14=67'] Exploring Operation: 67*67=4489, Resulting Numbers: [4489] 4489,46 unequal: No Solution Exploring Operation: 67/67=1, Resulting Numbers: [1] 1,46 unequal: No Solution Exploring Operation: 67-67=0, Resulting Numbers: [0] 0,46 unequal: No Solution Exploring Operation: 67+67=134, Resulting Numbers: [134] 134,46 unequal: No Solution Moving to Node #0,3,1 Current State: 46:[81, 53], Operations: ['77-10=67', '67-14=53'] Exploring Operation: 81*53=4293, Resulting Numbers: [4293] 4293,46 unequal: No Solution Exploring Operation: 81+53=134, Resulting Numbers: [134] 134,46 unequal: No Solution Exploring Operation: 81-53=28, Resulting Numbers: [28] 28,46 unequal: No Solution Moving to Node #0,0,2 Current State: 46:[81, 53], Operations: ['77-14=63', '63-10=53'] Exploring Operation: 81*53=4293, Resulting Numbers: [4293] 4293,46 unequal: No Solution Exploring Operation: 81-53=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 81+53=134, Resulting Numbers: [134] 134,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[81, 73], Operations: ['77-14=63', '10+63=73'] Exploring Operation: 81+73=154, Resulting Numbers: [154] 154,46 unequal: No Solution Exploring Operation: 81-73=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 81*73=5913, Resulting Numbers: [5913] 5913,46 unequal: No Solution Moving to Node #0,0,4 Current State: 46:[63, 91], Operations: ['77-14=63', '81+10=91'] Exploring Operation: 91-63=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 63*91=5733, Resulting Numbers: [5733] 5733,46 unequal: No Solution Exploring Operation: 63+91=154, Resulting Numbers: [154] 154,46 unequal: No Solution Moving to Node #0,3,0 Current State: 46:[67, 95], Operations: ['77-10=67', '81+14=95'] Exploring Operation: 95-67=28, Resulting Numbers: [28] 28,46 unequal: No Solution Exploring Operation: 67+95=162, Resulting Numbers: [162] 162,46 unequal: No Solution Exploring Operation: 67*95=6365, Resulting Numbers: [6365] 6365,46 unequal: No Solution Moving to Node #0,3,4 Current State: 46:[81, 81], Operations: ['77-10=67', '14+67=81'] Exploring Operation: 81+81=162, Resulting Numbers: [162] 162,46 unequal: No Solution Exploring Operation: 81-81=0, Resulting Numbers: [0] 0,46 unequal: No Solution Exploring Operation: 81/81=1, Resulting Numbers: [1] 1,46 unequal: No Solution Exploring Operation: 81*81=6561, Resulting Numbers: [6561] 6561,46 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 43, 34, 80, 89 ]
86
[ "43+34=77", "89-80=9", "77+9=86" ]
Current State: 86:[43, 34, 80, 89], Operations: [] Exploring Operation: 43+34=77, Resulting Numbers: [80, 89, 77] Generated Node #2: [80, 89, 77] from Operation: 43+34=77 Current State: 86:[80, 89, 77], Operations: ['43+34=77'] Exploring Operation: 89-80=9, Resulting Numbers: [77, 9] Generated Node #3: [77, 9] from Operation: 89-80=9 Current State: 86:[77, 9], Operations: ['43+34=77', '89-80=9'] Exploring Operation: 77+9=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[43, 34, 80, 89], Operations: [] Exploring Operation: 80-34=46, Resulting Numbers: [43, 89, 46] Generated Node #0,0: 86:[43, 89, 46] Operation: 80-34=46 Exploring Operation: 43-34=9, Resulting Numbers: [80, 89, 9] Generated Node #0,1: 86:[80, 89, 9] Operation: 43-34=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 86:[43, 89, 46], Operations: ['80-34=46'] Exploring Operation: 46-43=3, Resulting Numbers: [89, 3] Generated Node #0,0,0: 86:[89, 3] Operation: 46-43=3 Exploring Operation: 89-46=43, Resulting Numbers: [43, 43] Generated Node #0,0,1: 86:[43, 43] Operation: 89-46=43 Moving to Node #0,0,1 Current State: 86:[43, 43], Operations: ['80-34=46', '89-46=43'] Exploring Operation: 43/43=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 43+43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[43, 34, 80, 89], Operations: [] Exploring Operation: 80-34=46, Resulting Numbers: [43, 89, 46] Generated Node #0,0: 86:[43, 89, 46] Operation: 80-34=46 Moving to Node #0,0 Current State: 86:[43, 89, 46], Operations: ['80-34=46'] Exploring Operation: 89-46=43, Resulting Numbers: [43, 43] Generated Node #0,0,1: 86:[43, 43] Operation: 89-46=43 Moving to Node #0,0,1 Current State: 86:[43, 43], Operations: ['80-34=46', '89-46=43'] Exploring Operation: 43+43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 27, 80, 74, 2 ]
31
[ "27+80=107", "74+2=76", "107-76=31" ]
Current State: 31:[27, 80, 74, 2], Operations: [] Exploring Operation: 27+80=107, Resulting Numbers: [74, 2, 107] Generated Node #2: [74, 2, 107] from Operation: 27+80=107 Current State: 31:[74, 2, 107], Operations: ['27+80=107'] Exploring Operation: 74+2=76, Resulting Numbers: [107, 76] Generated Node #3: [107, 76] from Operation: 74+2=76 Current State: 31:[107, 76], Operations: ['27+80=107', '74+2=76'] Exploring Operation: 107-76=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[27, 80, 74, 2], Operations: [] Exploring Operation: 80/2=40, Resulting Numbers: [27, 74, 40] Generated Node #0,0: 31:[27, 74, 40] Operation: 80/2=40 Moving to Node #0,0 Current State: 31:[27, 74, 40], Operations: ['80/2=40'] Exploring Operation: 74-40=34, Resulting Numbers: [27, 34] Generated Node #0,0,0: 31:[27, 34] Operation: 74-40=34 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[27, 34], Operations: ['80/2=40', '74-40=34'] Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,31 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
[ 37, 47, 88, 99 ]
21
[ "47-37=10", "99-88=11", "10+11=21" ]
Current State: 21:[37, 47, 88, 99], Operations: [] Exploring Operation: 47-37=10, Resulting Numbers: [88, 99, 10] Generated Node #2: [88, 99, 10] from Operation: 47-37=10 Current State: 21:[88, 99, 10], Operations: ['47-37=10'] Exploring Operation: 99-88=11, Resulting Numbers: [10, 11] Generated Node #3: [10, 11] from Operation: 99-88=11 Current State: 21:[10, 11], Operations: ['47-37=10', '99-88=11'] Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[37, 47, 88, 99], Operations: [] Exploring Operation: 99-88=11, Resulting Numbers: [37, 47, 11] Generated Node #0,0: 21:[37, 47, 11] Operation: 99-88=11 Exploring Operation: 88-47=41, Resulting Numbers: [37, 99, 41] Generated Node #0,1: 21:[37, 99, 41] Operation: 88-47=41 Moving to Node #0,0 Current State: 21:[37, 47, 11], Operations: ['99-88=11'] Exploring Operation: 47-37=10, Resulting Numbers: [11, 10] Generated Node #0,0,0: 21:[11, 10] Operation: 47-37=10 Exploring Operation: 37-11=26, Resulting Numbers: [47, 26] Generated Node #0,0,1: 21:[47, 26] Operation: 37-11=26 Moving to Node #0,1 Current State: 21:[37, 99, 41], Operations: ['88-47=41'] Exploring Operation: 99-37=62, Resulting Numbers: [41, 62] Generated Node #0,1,0: 21:[41, 62] Operation: 99-37=62 Exploring Operation: 99-41=58, Resulting Numbers: [37, 58] Generated Node #0,1,1: 21:[37, 58] Operation: 99-41=58 Moving to Node #0,0,0 Current State: 21:[11, 10], Operations: ['99-88=11', '47-37=10'] Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[37, 47, 88, 99], Operations: [] Exploring Operation: 99-88=11, Resulting Numbers: [37, 47, 11] Generated Node #0,0: 21:[37, 47, 11] Operation: 99-88=11 Moving to Node #0,0 Current State: 21:[37, 47, 11], Operations: ['99-88=11'] Exploring Operation: 47-37=10, Resulting Numbers: [11, 10] Generated Node #0,0,0: 21:[11, 10] Operation: 47-37=10 Moving to Node #0,0,0 Current State: 21:[11, 10], Operations: ['99-88=11', '47-37=10'] Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
0.989583
hs_2
mult_heuristic
[ 78, 31, 83, 46 ]
20
[ "78+31=109", "83+46=129", "129-109=20" ]
Current State: 20:[78, 31, 83, 46], Operations: [] Exploring Operation: 78+31=109, Resulting Numbers: [83, 46, 109] Generated Node #2: [83, 46, 109] from Operation: 78+31=109 Current State: 20:[83, 46, 109], Operations: ['78+31=109'] Exploring Operation: 83+46=129, Resulting Numbers: [109, 129] Generated Node #3: [109, 129] from Operation: 83+46=129 Current State: 20:[109, 129], Operations: ['78+31=109', '83+46=129'] Exploring Operation: 129-109=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[78, 31, 83, 46], Operations: [] Exploring Operation: 83-78=5, Resulting Numbers: [31, 46, 5] Generated Node #0,0: 20:[31, 46, 5] Operation: 83-78=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[31, 46, 5], Operations: ['83-78=5'] Exploring Operation: 46-31=15, Resulting Numbers: [5, 15] Generated Node #0,0,0: 20:[5, 15] Operation: 46-31=15 Moving to Node #0,0,0 Current State: 20:[5, 15], Operations: ['83-78=5', '46-31=15'] Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[78, 31, 83, 46], Operations: [] Exploring Operation: 83-78=5, Resulting Numbers: [31, 46, 5] Generated Node #0,0: 20:[31, 46, 5] Operation: 83-78=5 Moving to Node #0,0 Current State: 20:[31, 46, 5], Operations: ['83-78=5'] Exploring Operation: 46-31=15, Resulting Numbers: [5, 15] Generated Node #0,0,0: 20:[5, 15] Operation: 46-31=15 Moving to Node #0,0,0 Current State: 20:[5, 15], Operations: ['83-78=5', '46-31=15'] Exploring Operation: 5+15=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 43, 28, 75, 75 ]
28
[ "75-75=0", "43*0=0", "28+0=28" ]
Current State: 28:[43, 28, 75, 75], Operations: [] Exploring Operation: 75-75=0, Resulting Numbers: [43, 28, 0] Generated Node #2: [43, 28, 0] from Operation: 75-75=0 Current State: 28:[43, 28, 0], Operations: ['75-75=0'] Exploring Operation: 43*0=0, Resulting Numbers: [28, 0] Generated Node #3: [28, 0] from Operation: 43*0=0 Current State: 28:[28, 0], Operations: ['75-75=0', '43*0=0'] Exploring Operation: 28+0=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[43, 28, 75, 75], Operations: [] Exploring Operation: 75/75=1, Resulting Numbers: [43, 28, 1] Generated Node #0,0: 28:[43, 28, 1] Operation: 75/75=1 Exploring Operation: 75-75=0, Resulting Numbers: [43, 28, 0] Generated Node #0,1: 28:[43, 28, 0] Operation: 75-75=0 Moving to Node #0,0 Current State: 28:[43, 28, 1], Operations: ['75/75=1'] Exploring Operation: 43-1=42, Resulting Numbers: [28, 42] Generated Node #0,0,0: 28:[28, 42] Operation: 43-1=42 Exploring Operation: 43-28=15, Resulting Numbers: [1, 15] Generated Node #0,0,1: 28:[1, 15] Operation: 43-28=15 Moving to Node #0,1 Current State: 28:[43, 28, 0], Operations: ['75-75=0'] Exploring Operation: 43*0=0, Resulting Numbers: [28, 0] Generated Node #0,1,0: 28:[28, 0] Operation: 43*0=0 Exploring Operation: 43-28=15, Resulting Numbers: [0, 15] Generated Node #0,1,1: 28:[0, 15] Operation: 43-28=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[28, 0], Operations: ['75-75=0', '43*0=0'] Exploring Operation: 28-0=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[43, 28, 75, 75], Operations: [] Exploring Operation: 75-75=0, Resulting Numbers: [43, 28, 0] Generated Node #0,1: 28:[43, 28, 0] Operation: 75-75=0 Moving to Node #0,1 Current State: 28:[43, 28, 0], Operations: ['75-75=0'] Exploring Operation: 43*0=0, Resulting Numbers: [28, 0] Generated Node #0,1,0: 28:[28, 0] Operation: 43*0=0 Moving to Node #0,1,0 Current State: 28:[28, 0], Operations: ['75-75=0', '43*0=0'] Exploring Operation: 28-0=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 98, 25, 76, 25 ]
98
[ "25-25=0", "76*0=0", "98+0=98" ]
Current State: 98:[98, 25, 76, 25], Operations: [] Exploring Operation: 25-25=0, Resulting Numbers: [98, 76, 0] Generated Node #2: [98, 76, 0] from Operation: 25-25=0 Current State: 98:[98, 76, 0], Operations: ['25-25=0'] Exploring Operation: 76*0=0, Resulting Numbers: [98, 0] Generated Node #3: [98, 0] from Operation: 76*0=0 Current State: 98:[98, 0], Operations: ['25-25=0', '76*0=0'] Exploring Operation: 98+0=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[98, 25, 76, 25], Operations: [] Exploring Operation: 76-25=51, Resulting Numbers: [98, 25, 51] Generated Node #0,0: 98:[98, 25, 51] Operation: 76-25=51 Exploring Operation: 76-25=51, Resulting Numbers: [98, 25, 51] Generated Node #0,1: 98:[98, 25, 51] Operation: 76-25=51 Moving to Node #0,0 Current State: 98:[98, 25, 51], Operations: ['76-25=51'] Exploring Operation: 51-25=26, Resulting Numbers: [98, 26] Generated Node #0,0,0: 98:[98, 26] Operation: 51-25=26 Exploring Operation: 98-51=47, Resulting Numbers: [25, 47] Generated Node #0,0,1: 98:[25, 47] Operation: 98-51=47 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[98, 26], Operations: ['76-25=51', '51-25=26'] Exploring Operation: 98-26=72, Resulting Numbers: [72] 72,98 unequal: No Solution Exploring Operation: 98+26=124, Resulting Numbers: [124] 124,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 98:[25, 47], Operations: ['76-25=51', '98-51=47'] Exploring Operation: 25+47=72, Resulting Numbers: [72] 72,98 unequal: No Solution Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,98 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: 98:[98, 25, 51], Operations: ['76-25=51'] Exploring Operation: 98-51=47, Resulting Numbers: [25, 47] Generated Node #0,1,0: 98:[25, 47] Operation: 98-51=47 Exploring Operation: 51-25=26, Resulting Numbers: [98, 26] Generated Node #0,1,1: 98:[98, 26] Operation: 51-25=26 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 98:[98, 26], Operations: ['76-25=51', '51-25=26'] Exploring Operation: 98+26=124, Resulting Numbers: [124] 124,98 unequal: No Solution Exploring Operation: 98-26=72, Resulting Numbers: [72] 72,98 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 #0,1,0 Current State: 98:[25, 47], Operations: ['76-25=51', '98-51=47'] Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,98 unequal: No Solution Exploring Operation: 25+47=72, Resulting Numbers: [72] 72,98 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
[ 86, 27, 4, 33 ]
22
[ "86-27=59", "4+33=37", "59-37=22" ]
Current State: 22:[86, 27, 4, 33], Operations: [] Exploring Operation: 86-27=59, Resulting Numbers: [4, 33, 59] Generated Node #2: [4, 33, 59] from Operation: 86-27=59 Current State: 22:[4, 33, 59], Operations: ['86-27=59'] Exploring Operation: 4+33=37, Resulting Numbers: [59, 37] Generated Node #3: [59, 37] from Operation: 4+33=37 Current State: 22:[59, 37], Operations: ['86-27=59', '4+33=37'] Exploring Operation: 59-37=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[86, 27, 4, 33], Operations: [] Exploring Operation: 86-33=53, Resulting Numbers: [27, 4, 53] Generated Node #0,0: 22:[27, 4, 53] Operation: 86-33=53 Exploring Operation: 86-27=59, Resulting Numbers: [4, 33, 59] Generated Node #0,1: 22:[4, 33, 59] Operation: 86-27=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[27, 4, 53], Operations: ['86-33=53'] Exploring Operation: 53-27=26, Resulting Numbers: [4, 26] Generated Node #0,0,0: 22:[4, 26] Operation: 53-27=26 Exploring Operation: 27-4=23, Resulting Numbers: [53, 23] Generated Node #0,0,1: 22:[53, 23] Operation: 27-4=23 Moving to Node #0,0,0 Current State: 22:[4, 26], Operations: ['86-33=53', '53-27=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[86, 27, 4, 33], Operations: [] Exploring Operation: 86-33=53, Resulting Numbers: [27, 4, 53] Generated Node #0,0: 22:[27, 4, 53] Operation: 86-33=53 Moving to Node #0,0 Current State: 22:[27, 4, 53], Operations: ['86-33=53'] Exploring Operation: 53-27=26, Resulting Numbers: [4, 26] Generated Node #0,0,0: 22:[4, 26] Operation: 53-27=26 Moving to Node #0,0,0 Current State: 22:[4, 26], Operations: ['86-33=53', '53-27=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 47, 36, 31, 2 ]
96
[ "47+31=78", "36/2=18", "78+18=96" ]
Current State: 96:[47, 36, 31, 2], Operations: [] Exploring Operation: 47+31=78, Resulting Numbers: [36, 2, 78] Generated Node #2: [36, 2, 78] from Operation: 47+31=78 Current State: 96:[36, 2, 78], Operations: ['47+31=78'] Exploring Operation: 36/2=18, Resulting Numbers: [78, 18] Generated Node #3: [78, 18] from Operation: 36/2=18 Current State: 96:[78, 18], Operations: ['47+31=78', '36/2=18'] Exploring Operation: 78+18=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[47, 36, 31, 2], Operations: [] Exploring Operation: 47-36=11, Resulting Numbers: [31, 2, 11] Generated Node #0,0: 96:[31, 2, 11] Operation: 47-36=11 Moving to Node #0,0 Current State: 96:[31, 2, 11], Operations: ['47-36=11'] Exploring Operation: 31+2=33, Resulting Numbers: [11, 33] Generated Node #0,0,0: 96:[11, 33] Operation: 31+2=33 Moving to Node #0,0,0 Current State: 96:[11, 33], Operations: ['47-36=11', '31+2=33'] Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,96 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 56, 92, 22, 70 ]
57
[ "92-22=70", "70/70=1", "56+1=57" ]
Current State: 57:[56, 92, 22, 70], Operations: [] Exploring Operation: 92-22=70, Resulting Numbers: [56, 70, 70] Generated Node #2: [56, 70, 70] from Operation: 92-22=70 Current State: 57:[56, 70, 70], Operations: ['92-22=70'] Exploring Operation: 70/70=1, Resulting Numbers: [56, 1] Generated Node #3: [56, 1] from Operation: 70/70=1 Current State: 57:[56, 1], Operations: ['92-22=70', '70/70=1'] Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[56, 92, 22, 70], Operations: [] Exploring Operation: 92-70=22, Resulting Numbers: [56, 22, 22] Generated Node #0,0: 57:[56, 22, 22] Operation: 92-70=22 Moving to Node #0,0 Current State: 57:[56, 22, 22], Operations: ['92-70=22'] Exploring Operation: 22/22=1, Resulting Numbers: [56, 1] Generated Node #0,0,0: 57:[56, 1] Operation: 22/22=1 Moving to Node #0,0,0 Current State: 57:[56, 1], Operations: ['92-70=22', '22/22=1'] Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[56, 92, 22, 70], Operations: [] Exploring Operation: 92-70=22, Resulting Numbers: [56, 22, 22] Generated Node #0,0: 57:[56, 22, 22] Operation: 92-70=22 Moving to Node #0,0 Current State: 57:[56, 22, 22], Operations: ['92-70=22'] Exploring Operation: 22/22=1, Resulting Numbers: [56, 1] Generated Node #0,0,0: 57:[56, 1] Operation: 22/22=1 Moving to Node #0,0,0 Current State: 57:[56, 1], Operations: ['92-70=22', '22/22=1'] Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 60, 75, 10, 61 ]
64
[ "60+75=135", "10+61=71", "135-71=64" ]
Current State: 64:[60, 75, 10, 61], Operations: [] Exploring Operation: 60+75=135, Resulting Numbers: [10, 61, 135] Generated Node #2: [10, 61, 135] from Operation: 60+75=135 Current State: 64:[10, 61, 135], Operations: ['60+75=135'] Exploring Operation: 10+61=71, Resulting Numbers: [135, 71] Generated Node #3: [135, 71] from Operation: 10+61=71 Current State: 64:[135, 71], Operations: ['60+75=135', '10+61=71'] Exploring Operation: 135-71=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[60, 75, 10, 61], Operations: [] Exploring Operation: 75-60=15, Resulting Numbers: [10, 61, 15] Generated Node #0,0: 64:[10, 61, 15] Operation: 75-60=15 Exploring Operation: 75-10=65, Resulting Numbers: [60, 61, 65] Generated Node #0,1: 64:[60, 61, 65] Operation: 75-10=65 Exploring Operation: 61-60=1, Resulting Numbers: [75, 10, 1] Generated Node #0,2: 64:[75, 10, 1] Operation: 61-60=1 Exploring Operation: 75-61=14, Resulting Numbers: [60, 10, 14] Generated Node #0,3: 64:[60, 10, 14] Operation: 75-61=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[10, 61, 15], Operations: ['75-60=15'] Exploring Operation: 10+15=25, Resulting Numbers: [61, 25] Generated Node #0,0,0: 64:[61, 25] Operation: 10+15=25 Exploring Operation: 10+61=71, Resulting Numbers: [15, 71] Generated Node #0,0,1: 64:[15, 71] Operation: 10+61=71 Exploring Operation: 61-10=51, Resulting Numbers: [15, 51] Generated Node #0,0,2: 64:[15, 51] Operation: 61-10=51 Exploring Operation: 15-10=5, Resulting Numbers: [61, 5] Generated Node #0,0,3: 64:[61, 5] Operation: 15-10=5 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 64:[61, 5], Operations: ['75-60=15', '15-10=5'] Exploring Operation: 61+5=66, Resulting Numbers: [66] 66,64 unequal: No Solution Exploring Operation: 61*5=305, Resulting Numbers: [305] 305,64 unequal: No Solution Exploring Operation: 61-5=56, Resulting Numbers: [56] 56,64 unequal: No Solution No 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: 64:[15, 71], Operations: ['75-60=15', '10+61=71'] Exploring Operation: 15*71=1065, Resulting Numbers: [1065] 1065,64 unequal: No Solution Exploring Operation: 15+71=86, Resulting Numbers: [86] 86,64 unequal: No Solution Exploring Operation: 71-15=56, Resulting Numbers: [56] 56,64 unequal: No Solution No 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: 64:[61, 25], Operations: ['75-60=15', '10+15=25'] Exploring Operation: 61*25=1525, Resulting Numbers: [1525] 1525,64 unequal: No Solution Exploring Operation: 61-25=36, Resulting Numbers: [36] 36,64 unequal: No Solution Exploring Operation: 61+25=86, Resulting Numbers: [86] 86,64 unequal: No Solution No 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: 64:[15, 51], Operations: ['75-60=15', '61-10=51'] Exploring Operation: 15+51=66, Resulting Numbers: [66] 66,64 unequal: No Solution Exploring Operation: 15*51=765, Resulting Numbers: [765] 765,64 unequal: No Solution Exploring Operation: 51-15=36, Resulting Numbers: [36] 36,64 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: 64:[60, 61, 65], Operations: ['75-10=65'] Exploring Operation: 61-60=1, Resulting Numbers: [65, 1] Generated Node #0,1,0: 64:[65, 1] Operation: 61-60=1 Exploring Operation: 65-61=4, Resulting Numbers: [60, 4] Generated Node #0,1,1: 64:[60, 4] Operation: 65-61=4 Exploring Operation: 60+61=121, Resulting Numbers: [65, 121] Generated Node #0,1,2: 64:[65, 121] Operation: 60+61=121 Exploring Operation: 65-60=5, Resulting Numbers: [61, 5] Generated Node #0,1,3: 64:[61, 5] Operation: 65-60=5 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 64:[65, 1], Operations: ['75-10=65', '61-60=1'] Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[60, 75, 10, 61], Operations: [] Exploring Operation: 75-10=65, Resulting Numbers: [60, 61, 65] Generated Node #0,1: 64:[60, 61, 65] Operation: 75-10=65 Moving to Node #0,1 Current State: 64:[60, 61, 65], Operations: ['75-10=65'] Exploring Operation: 61-60=1, Resulting Numbers: [65, 1] Generated Node #0,1,0: 64:[65, 1] Operation: 61-60=1 Moving to Node #0,1,0 Current State: 64:[65, 1], Operations: ['75-10=65', '61-60=1'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 18, 91, 81, 18 ]
11
[ "18/18=1", "91-81=10", "1+10=11" ]
Current State: 11:[18, 91, 81, 18], Operations: [] Exploring Operation: 18/18=1, Resulting Numbers: [91, 81, 1] Generated Node #2: [91, 81, 1] from Operation: 18/18=1 Current State: 11:[91, 81, 1], Operations: ['18/18=1'] Exploring Operation: 91-81=10, Resulting Numbers: [1, 10] Generated Node #3: [1, 10] from Operation: 91-81=10 Current State: 11:[1, 10], Operations: ['18/18=1', '91-81=10'] Exploring Operation: 1+10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[18, 91, 81, 18], Operations: [] Exploring Operation: 81-18=63, Resulting Numbers: [18, 91, 63] Generated Node #0,0: 11:[18, 91, 63] Operation: 81-18=63 Exploring Operation: 91-18=73, Resulting Numbers: [18, 81, 73] Generated Node #0,1: 11:[18, 81, 73] Operation: 91-18=73 Exploring Operation: 91-81=10, Resulting Numbers: [18, 18, 10] Generated Node #0,2: 11:[18, 18, 10] Operation: 91-81=10 Exploring Operation: 81-18=63, Resulting Numbers: [91, 18, 63] Generated Node #0,3: 11:[91, 18, 63] Operation: 81-18=63 Exploring Operation: 91-18=73, Resulting Numbers: [81, 18, 73] Generated Node #0,4: 11:[81, 18, 73] Operation: 91-18=73 Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[18, 18, 10], Operations: ['91-81=10'] Exploring Operation: 18-18=0, Resulting Numbers: [10, 0] Generated Node #0,2,0: 11:[10, 0] Operation: 18-18=0 Exploring Operation: 18-10=8, Resulting Numbers: [18, 8] Generated Node #0,2,1: 11:[18, 8] Operation: 18-10=8 Exploring Operation: 18/18=1, Resulting Numbers: [10, 1] Generated Node #0,2,2: 11:[10, 1] Operation: 18/18=1 Exploring Operation: 18+10=28, Resulting Numbers: [18, 28] Generated Node #0,2,3: 11:[18, 28] Operation: 18+10=28 Exploring Operation: 18-10=8, Resulting Numbers: [18, 8] Generated Node #0,2,4: 11:[18, 8] Operation: 18-10=8 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 11:[18, 8], Operations: ['91-81=10', '18-10=8'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,11 unequal: No Solution Exploring Operation: 18*8=144, Resulting Numbers: [144] 144,11 unequal: No Solution Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,11 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 #0,2,4 Current State: 11:[18, 8], Operations: ['91-81=10', '18-10=8'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,11 unequal: No Solution Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,11 unequal: No Solution Exploring Operation: 18*8=144, Resulting Numbers: [144] 144,11 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:[10, 1], Operations: ['91-81=10', '18/18=1'] Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[18, 91, 81, 18], Operations: [] Exploring Operation: 91-81=10, Resulting Numbers: [18, 18, 10] Generated Node #0,2: 11:[18, 18, 10] Operation: 91-81=10 Moving to Node #0,2 Current State: 11:[18, 18, 10], Operations: ['91-81=10'] Exploring Operation: 18/18=1, Resulting Numbers: [10, 1] Generated Node #0,2,2: 11:[10, 1] Operation: 18/18=1 Moving to Node #0,2,2 Current State: 11:[10, 1], Operations: ['91-81=10', '18/18=1'] Exploring Operation: 10+1=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 91, 1, 42, 76 ]
56
[ "91-1=90", "76-42=34", "90-34=56" ]
Current State: 56:[91, 1, 42, 76], Operations: [] Exploring Operation: 91-1=90, Resulting Numbers: [42, 76, 90] Generated Node #2: [42, 76, 90] from Operation: 91-1=90 Current State: 56:[42, 76, 90], Operations: ['91-1=90'] Exploring Operation: 76-42=34, Resulting Numbers: [90, 34] Generated Node #3: [90, 34] from Operation: 76-42=34 Current State: 56:[90, 34], Operations: ['91-1=90', '76-42=34'] Exploring Operation: 90-34=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[91, 1, 42, 76], Operations: [] Exploring Operation: 91-76=15, Resulting Numbers: [1, 42, 15] Generated Node #0,0: 56:[1, 42, 15] Operation: 91-76=15 Moving to Node #0,0 Current State: 56:[1, 42, 15], Operations: ['91-76=15'] Exploring Operation: 42+15=57, Resulting Numbers: [1, 57] Generated Node #0,0,0: 56:[1, 57] Operation: 42+15=57 Moving to Node #0,0,0 Current State: 56:[1, 57], Operations: ['91-76=15', '42+15=57'] Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[91, 1, 42, 76], Operations: [] Exploring Operation: 91-76=15, Resulting Numbers: [1, 42, 15] Generated Node #0,0: 56:[1, 42, 15] Operation: 91-76=15 Moving to Node #0,0 Current State: 56:[1, 42, 15], Operations: ['91-76=15'] Exploring Operation: 42+15=57, Resulting Numbers: [1, 57] Generated Node #0,0,0: 56:[1, 57] Operation: 42+15=57 Moving to Node #0,0,0 Current State: 56:[1, 57], Operations: ['91-76=15', '42+15=57'] Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 19, 49, 43, 45 ]
79
[ "45-43=2", "49*2=98", "98-19=79" ]
Current State: 79:[19, 49, 43, 45], Operations: [] Exploring Operation: 45-43=2, Resulting Numbers: [19, 49, 2] Generated Node #2: [19, 49, 2] from Operation: 45-43=2 Current State: 79:[19, 49, 2], Operations: ['45-43=2'] Exploring Operation: 49*2=98, Resulting Numbers: [19, 98] Generated Node #3: [19, 98] from Operation: 49*2=98 Current State: 79:[19, 98], Operations: ['45-43=2', '49*2=98'] Exploring Operation: 98-19=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[19, 49, 43, 45], Operations: [] Exploring Operation: 19+49=68, Resulting Numbers: [43, 45, 68] Generated Node #0,0: 79:[43, 45, 68] Operation: 19+49=68 Exploring Operation: 49+43=92, Resulting Numbers: [19, 45, 92] Generated Node #0,1: 79:[19, 45, 92] Operation: 49+43=92 Exploring Operation: 43+45=88, Resulting Numbers: [19, 49, 88] Generated Node #0,2: 79:[19, 49, 88] Operation: 43+45=88 Exploring Operation: 19+45=64, Resulting Numbers: [49, 43, 64] Generated Node #0,3: 79:[49, 43, 64] Operation: 19+45=64 Exploring Operation: 19+43=62, Resulting Numbers: [49, 45, 62] Generated Node #0,4: 79:[49, 45, 62] Operation: 19+43=62 Moving to Node #0,0 Current State: 79:[43, 45, 68], Operations: ['19+49=68'] Exploring Operation: 45-43=2, Resulting Numbers: [68, 2] Generated Node #0,0,0: 79:[68, 2] Operation: 45-43=2 Exploring Operation: 43+45=88, Resulting Numbers: [68, 88] Generated Node #0,0,1: 79:[68, 88] Operation: 43+45=88 Exploring Operation: 68-43=25, Resulting Numbers: [45, 25] Generated Node #0,0,2: 79:[45, 25] Operation: 68-43=25 Exploring Operation: 45+68=113, Resulting Numbers: [43, 113] Generated Node #0,0,3: 79:[43, 113] Operation: 45+68=113 Exploring Operation: 43+68=111, Resulting Numbers: [45, 111] Generated Node #0,0,4: 79:[45, 111] Operation: 43+68=111 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 79:[68, 88], Operations: ['19+49=68', '43+45=88'] Exploring Operation: 68*88=5984, Resulting Numbers: [5984] 5984,79 unequal: No Solution Exploring Operation: 88-68=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 68+88=156, Resulting Numbers: [156] 156,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 79:[45, 111], Operations: ['19+49=68', '43+68=111'] Exploring Operation: 45+111=156, Resulting Numbers: [156] 156,79 unequal: No Solution Exploring Operation: 45*111=4995, Resulting Numbers: [4995] 4995,79 unequal: No Solution Exploring Operation: 111-45=66, Resulting Numbers: [66] 66,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 79:[43, 113], Operations: ['19+49=68', '45+68=113'] Exploring Operation: 43*113=4859, Resulting Numbers: [4859] 4859,79 unequal: No Solution Exploring Operation: 113-43=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 43+113=156, Resulting Numbers: [156] 156,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[68, 2], Operations: ['19+49=68', '45-43=2'] Exploring Operation: 68/2=34, Resulting Numbers: [34] 34,79 unequal: No Solution Exploring Operation: 68+2=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 68*2=136, Resulting Numbers: [136] 136,79 unequal: No Solution Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 79:[45, 25], Operations: ['19+49=68', '68-43=25'] Exploring Operation: 45+25=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 45-25=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 45*25=1125, Resulting Numbers: [1125] 1125,79 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: 79:[49, 45, 62], Operations: ['19+43=62'] Exploring Operation: 62-45=17, Resulting Numbers: [49, 17] Generated Node #0,4,0: 79:[49, 17] Operation: 62-45=17 Exploring Operation: 49-45=4, Resulting Numbers: [62, 4] Generated Node #0,4,1: 79:[62, 4] Operation: 49-45=4 Exploring Operation: 45+62=107, Resulting Numbers: [49, 107] Generated Node #0,4,2: 79:[49, 107] Operation: 45+62=107 Exploring Operation: 49+62=111, Resulting Numbers: [45, 111] Generated Node #0,4,3: 79:[45, 111] Operation: 49+62=111 Exploring Operation: 49+45=94, Resulting Numbers: [62, 94] Generated Node #0,4,4: 79:[62, 94] Operation: 49+45=94 Moving to Node #0,3 Current State: 79:[49, 43, 64], Operations: ['19+45=64'] Exploring Operation: 49+64=113, Resulting Numbers: [43, 113] Generated Node #0,3,0: 79:[43, 113] Operation: 49+64=113 Exploring Operation: 64-43=21, Resulting Numbers: [49, 21] Generated Node #0,3,1: 79:[49, 21] Operation: 64-43=21 Exploring Operation: 49+43=92, Resulting Numbers: [64, 92] Generated Node #0,3,2: 79:[64, 92] Operation: 49+43=92 Exploring Operation: 43+64=107, Resulting Numbers: [49, 107] Generated Node #0,3,3: 79:[49, 107] Operation: 43+64=107 Exploring Operation: 49-43=6, Resulting Numbers: [64, 6] Generated Node #0,3,4: 79:[64, 6] Operation: 49-43=6 Moving to Node #0,2 Current State: 79:[19, 49, 88], Operations: ['43+45=88'] Exploring Operation: 49-19=30, Resulting Numbers: [88, 30] Generated Node #0,2,0: 79:[88, 30] Operation: 49-19=30 Exploring Operation: 19+88=107, Resulting Numbers: [49, 107] Generated Node #0,2,1: 79:[49, 107] Operation: 19+88=107 Exploring Operation: 88-19=69, Resulting Numbers: [49, 69] Generated Node #0,2,2: 79:[49, 69] Operation: 88-19=69 Exploring Operation: 19+49=68, Resulting Numbers: [88, 68] Generated Node #0,2,3: 79:[88, 68] Operation: 19+49=68 Exploring Operation: 88-49=39, Resulting Numbers: [19, 39] Generated Node #0,2,4: 79:[19, 39] Operation: 88-49=39 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 79:[88, 68], Operations: ['43+45=88', '19+49=68'] Exploring Operation: 88+68=156, Resulting Numbers: [156] 156,79 unequal: No Solution Exploring Operation: 88-68=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 88*68=5984, Resulting Numbers: [5984] 5984,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 79:[49, 69], Operations: ['43+45=88', '88-19=69'] Exploring Operation: 69-49=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 49+69=118, Resulting Numbers: [118] 118,79 unequal: No Solution Exploring Operation: 49*69=3381, Resulting Numbers: [3381] 3381,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 79:[88, 30], Operations: ['43+45=88', '49-19=30'] Exploring Operation: 88*30=2640, Resulting Numbers: [2640] 2640,79 unequal: No Solution Exploring Operation: 88+30=118, Resulting Numbers: [118] 118,79 unequal: No Solution Exploring Operation: 88-30=58, Resulting Numbers: [58] 58,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 79:[49, 107], Operations: ['43+45=88', '19+88=107'] Exploring Operation: 49+107=156, Resulting Numbers: [156] 156,79 unequal: No Solution Exploring Operation: 49*107=5243, Resulting Numbers: [5243] 5243,79 unequal: No Solution Exploring Operation: 107-49=58, Resulting Numbers: [58] 58,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 79:[19, 39], Operations: ['43+45=88', '88-49=39'] Exploring Operation: 19*39=741, Resulting Numbers: [741] 741,79 unequal: No Solution Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 19+39=58, Resulting Numbers: [58] 58,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 79:[19, 45, 92], Operations: ['49+43=92'] Exploring Operation: 92-45=47, Resulting Numbers: [19, 47] Generated Node #0,1,0: 79:[19, 47] Operation: 92-45=47 Exploring Operation: 92-19=73, Resulting Numbers: [45, 73] Generated Node #0,1,1: 79:[45, 73] Operation: 92-19=73 Exploring Operation: 45-19=26, Resulting Numbers: [92, 26] Generated Node #0,1,2: 79:[92, 26] Operation: 45-19=26 Exploring Operation: 19+45=64, Resulting Numbers: [92, 64] Generated Node #0,1,3: 79:[92, 64] Operation: 19+45=64 Exploring Operation: 19+92=111, Resulting Numbers: [45, 111] Generated Node #0,1,4: 79:[45, 111] Operation: 19+92=111 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 79:[92, 64], Operations: ['49+43=92', '19+45=64'] Exploring Operation: 92+64=156, Resulting Numbers: [156] 156,79 unequal: No Solution Exploring Operation: 92-64=28, Resulting Numbers: [28] 28,79 unequal: No Solution Exploring Operation: 92*64=5888, Resulting Numbers: [5888] 5888,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 79:[45, 73], Operations: ['49+43=92', '92-19=73'] Exploring Operation: 45*73=3285, Resulting Numbers: [3285] 3285,79 unequal: No Solution Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,79 unequal: No Solution Exploring Operation: 45+73=118, Resulting Numbers: [118] 118,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 79:[92, 26], Operations: ['49+43=92', '45-19=26'] Exploring Operation: 92*26=2392, Resulting Numbers: [2392] 2392,79 unequal: No Solution Exploring Operation: 92-26=66, Resulting Numbers: [66] 66,79 unequal: No Solution Exploring Operation: 92+26=118, Resulting Numbers: [118] 118,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 79:[45, 111], Operations: ['49+43=92', '19+92=111'] Exploring Operation: 111-45=66, Resulting Numbers: [66] 66,79 unequal: No Solution Exploring Operation: 45*111=4995, Resulting Numbers: [4995] 4995,79 unequal: No Solution Exploring Operation: 45+111=156, Resulting Numbers: [156] 156,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 79:[19, 47], Operations: ['49+43=92', '92-45=47'] Exploring Operation: 19+47=66, Resulting Numbers: [66] 66,79 unequal: No Solution Exploring Operation: 19*47=893, Resulting Numbers: [893] 893,79 unequal: No Solution Exploring Operation: 47-19=28, Resulting Numbers: [28] 28,79 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: 79:[64, 92], Operations: ['19+45=64', '49+43=92'] Exploring Operation: 92-64=28, Resulting Numbers: [28] 28,79 unequal: No Solution Exploring Operation: 64*92=5888, Resulting Numbers: [5888] 5888,79 unequal: No Solution Exploring Operation: 64+92=156, Resulting Numbers: [156] 156,79 unequal: No Solution Moving to Node #0,4,4 Current State: 79:[62, 94], Operations: ['19+43=62', '49+45=94'] Exploring Operation: 62*94=5828, Resulting Numbers: [5828] 5828,79 unequal: No Solution Exploring Operation: 94-62=32, Resulting Numbers: [32] 32,79 unequal: No Solution Exploring Operation: 62+94=156, Resulting Numbers: [156] 156,79 unequal: No Solution Moving to Node #0,3,3 Current State: 79:[49, 107], Operations: ['19+45=64', '43+64=107'] Exploring Operation: 107-49=58, Resulting Numbers: [58] 58,79 unequal: No Solution Exploring Operation: 49+107=156, Resulting Numbers: [156] 156,79 unequal: No Solution Exploring Operation: 49*107=5243, Resulting Numbers: [5243] 5243,79 unequal: No Solution Moving to Node #0,4,2 Current State: 79:[49, 107], Operations: ['19+43=62', '45+62=107'] Exploring Operation: 49+107=156, Resulting Numbers: [156] 156,79 unequal: No Solution Exploring Operation: 49*107=5243, Resulting Numbers: [5243] 5243,79 unequal: No Solution Exploring Operation: 107-49=58, Resulting Numbers: [58] 58,79 unequal: No Solution Moving to Node #0,4,3 Current State: 79:[45, 111], Operations: ['19+43=62', '49+62=111'] Exploring Operation: 45*111=4995, Resulting Numbers: [4995] 4995,79 unequal: No Solution Exploring Operation: 45+111=156, Resulting Numbers: [156] 156,79 unequal: No Solution Exploring Operation: 111-45=66, Resulting Numbers: [66] 66,79 unequal: No Solution Moving to Node #0,3,0 Current State: 79:[43, 113], Operations: ['19+45=64', '49+64=113'] Exploring Operation: 43+113=156, Resulting Numbers: [156] 156,79 unequal: No Solution Exploring Operation: 113-43=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 43*113=4859, Resulting Numbers: [4859] 4859,79 unequal: No Solution Moving to Node #0,3,1 Current State: 79:[49, 21], Operations: ['19+45=64', '64-43=21'] Exploring Operation: 49-21=28, Resulting Numbers: [28] 28,79 unequal: No Solution Exploring Operation: 49+21=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 49*21=1029, Resulting Numbers: [1029] 1029,79 unequal: No Solution Moving to Node #0,3,4 Current State: 79:[64, 6], Operations: ['19+45=64', '49-43=6'] Exploring Operation: 64+6=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,79 unequal: No Solution Exploring Operation: 64*6=384, Resulting Numbers: [384] 384,79 unequal: No Solution Moving to Node #0,4,0 Current State: 79:[49, 17], Operations: ['19+43=62', '62-45=17'] Exploring Operation: 49*17=833, Resulting Numbers: [833] 833,79 unequal: No Solution Exploring Operation: 49+17=66, Resulting Numbers: [66] 66,79 unequal: No Solution Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,79 unequal: No Solution Moving to Node #0,4,1 Current State: 79:[62, 4], Operations: ['19+43=62', '49-45=4'] Exploring Operation: 62*4=248, Resulting Numbers: [248] 248,79 unequal: No Solution Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,79 unequal: No Solution Exploring Operation: 62+4=66, Resulting Numbers: [66] 66,79 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 73, 74, 58, 15 ]
44
[ "74-73=1", "58-15=43", "1+43=44" ]
Current State: 44:[73, 74, 58, 15], Operations: [] Exploring Operation: 74-73=1, Resulting Numbers: [58, 15, 1] Generated Node #2: [58, 15, 1] from Operation: 74-73=1 Current State: 44:[58, 15, 1], Operations: ['74-73=1'] Exploring Operation: 58-15=43, Resulting Numbers: [1, 43] Generated Node #3: [1, 43] from Operation: 58-15=43 Current State: 44:[1, 43], Operations: ['74-73=1', '58-15=43'] Exploring Operation: 1+43=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[73, 74, 58, 15], Operations: [] Exploring Operation: 73-58=15, Resulting Numbers: [74, 15, 15] Generated Node #0,0: 44:[74, 15, 15] Operation: 73-58=15 Exploring Operation: 73-15=58, Resulting Numbers: [74, 58, 58] Generated Node #0,1: 44:[74, 58, 58] Operation: 73-15=58 Exploring Operation: 74-73=1, Resulting Numbers: [58, 15, 1] Generated Node #0,2: 44:[58, 15, 1] Operation: 74-73=1 Exploring Operation: 74-58=16, Resulting Numbers: [73, 15, 16] Generated Node #0,3: 44:[73, 15, 16] Operation: 74-58=16 Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[58, 15, 1], Operations: ['74-73=1'] Exploring Operation: 58-1=57, Resulting Numbers: [15, 57] Generated Node #0,2,0: 44:[15, 57] Operation: 58-1=57 Exploring Operation: 15-1=14, Resulting Numbers: [58, 14] Generated Node #0,2,1: 44:[58, 14] Operation: 15-1=14 Exploring Operation: 58-15=43, Resulting Numbers: [1, 43] Generated Node #0,2,2: 44:[1, 43] Operation: 58-15=43 Exploring Operation: 58*1=58, Resulting Numbers: [15, 58] Generated Node #0,2,3: 44:[15, 58] Operation: 58*1=58 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 44:[1, 43], Operations: ['74-73=1', '58-15=43'] Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,44 unequal: No Solution Exploring Operation: 1*43=43, Resulting Numbers: [43] 43,44 unequal: No Solution Exploring Operation: 1+43=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[73, 74, 58, 15], Operations: [] Exploring Operation: 74-73=1, Resulting Numbers: [58, 15, 1] Generated Node #0,2: 44:[58, 15, 1] Operation: 74-73=1 Moving to Node #0,2 Current State: 44:[58, 15, 1], Operations: ['74-73=1'] Exploring Operation: 58-15=43, Resulting Numbers: [1, 43] Generated Node #0,2,2: 44:[1, 43] Operation: 58-15=43 Moving to Node #0,2,2 Current State: 44:[1, 43], Operations: ['74-73=1', '58-15=43'] Exploring Operation: 1+43=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 7, 58, 32, 71 ]
12
[ "58-7=51", "71-32=39", "51-39=12" ]
Current State: 12:[7, 58, 32, 71], Operations: [] Exploring Operation: 58-7=51, Resulting Numbers: [32, 71, 51] Generated Node #2: [32, 71, 51] from Operation: 58-7=51 Current State: 12:[32, 71, 51], Operations: ['58-7=51'] Exploring Operation: 71-32=39, Resulting Numbers: [51, 39] Generated Node #3: [51, 39] from Operation: 71-32=39 Current State: 12:[51, 39], Operations: ['58-7=51', '71-32=39'] Exploring Operation: 51-39=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[7, 58, 32, 71], Operations: [] Exploring Operation: 71-58=13, Resulting Numbers: [7, 32, 13] Generated Node #0,0: 12:[7, 32, 13] Operation: 71-58=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[7, 32, 13], Operations: ['71-58=13'] Exploring Operation: 32-13=19, Resulting Numbers: [7, 19] Generated Node #0,0,0: 12:[7, 19] Operation: 32-13=19 Moving to Node #0,0,0 Current State: 12:[7, 19], Operations: ['71-58=13', '32-13=19'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[7, 58, 32, 71], Operations: [] Exploring Operation: 71-58=13, Resulting Numbers: [7, 32, 13] Generated Node #0,0: 12:[7, 32, 13] Operation: 71-58=13 Moving to Node #0,0 Current State: 12:[7, 32, 13], Operations: ['71-58=13'] Exploring Operation: 32-13=19, Resulting Numbers: [7, 19] Generated Node #0,0,0: 12:[7, 19] Operation: 32-13=19 Moving to Node #0,0,0 Current State: 12:[7, 19], Operations: ['71-58=13', '32-13=19'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 84, 36, 93, 91 ]
87
[ "93-84=9", "36/9=4", "91-4=87" ]
Current State: 87:[84, 36, 93, 91], Operations: [] Exploring Operation: 93-84=9, Resulting Numbers: [36, 91, 9] Generated Node #2: [36, 91, 9] from Operation: 93-84=9 Current State: 87:[36, 91, 9], Operations: ['93-84=9'] Exploring Operation: 36/9=4, Resulting Numbers: [91, 4] Generated Node #3: [91, 4] from Operation: 36/9=4 Current State: 87:[91, 4], Operations: ['93-84=9', '36/9=4'] Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[84, 36, 93, 91], Operations: [] Exploring Operation: 93-91=2, Resulting Numbers: [84, 36, 2] Generated Node #0,0: 87:[84, 36, 2] Operation: 93-91=2 Moving to Node #0,0 Current State: 87:[84, 36, 2], Operations: ['93-91=2'] Exploring Operation: 84+2=86, Resulting Numbers: [36, 86] Generated Node #0,0,0: 87:[36, 86] Operation: 84+2=86 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[36, 86], Operations: ['93-91=2', '84+2=86'] Exploring Operation: 86-36=50, Resulting Numbers: [50] 50,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 72, 71, 89, 4 ]
86
[ "72-71=1", "89-4=85", "1+85=86" ]
Current State: 86:[72, 71, 89, 4], Operations: [] Exploring Operation: 72-71=1, Resulting Numbers: [89, 4, 1] Generated Node #2: [89, 4, 1] from Operation: 72-71=1 Current State: 86:[89, 4, 1], Operations: ['72-71=1'] Exploring Operation: 89-4=85, Resulting Numbers: [1, 85] Generated Node #3: [1, 85] from Operation: 89-4=85 Current State: 86:[1, 85], Operations: ['72-71=1', '89-4=85'] Exploring Operation: 1+85=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[72, 71, 89, 4], Operations: [] Exploring Operation: 72-71=1, Resulting Numbers: [89, 4, 1] Generated Node #0,0: 86:[89, 4, 1] Operation: 72-71=1 Moving to Node #0,0 Current State: 86:[89, 4, 1], Operations: ['72-71=1'] Exploring Operation: 89-4=85, Resulting Numbers: [1, 85] Generated Node #0,0,0: 86:[1, 85] Operation: 89-4=85 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[1, 85], Operations: ['72-71=1', '89-4=85'] Exploring Operation: 1+85=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[72, 71, 89, 4], Operations: [] Exploring Operation: 72-71=1, Resulting Numbers: [89, 4, 1] Generated Node #0,0: 86:[89, 4, 1] Operation: 72-71=1 Moving to Node #0,0 Current State: 86:[89, 4, 1], Operations: ['72-71=1'] Exploring Operation: 89-4=85, Resulting Numbers: [1, 85] Generated Node #0,0,0: 86:[1, 85] Operation: 89-4=85 Moving to Node #0,0,0 Current State: 86:[1, 85], Operations: ['72-71=1', '89-4=85'] Exploring Operation: 1+85=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 19, 24, 3, 8 ]
67
[ "19+24=43", "3*8=24", "43+24=67" ]
Current State: 67:[19, 24, 3, 8], Operations: [] Exploring Operation: 19+24=43, Resulting Numbers: [3, 8, 43] Generated Node #2: [3, 8, 43] from Operation: 19+24=43 Current State: 67:[3, 8, 43], Operations: ['19+24=43'] Exploring Operation: 3*8=24, Resulting Numbers: [43, 24] Generated Node #3: [43, 24] from Operation: 3*8=24 Current State: 67:[43, 24], Operations: ['19+24=43', '3*8=24'] Exploring Operation: 43+24=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[19, 24, 3, 8], Operations: [] Exploring Operation: 3*8=24, Resulting Numbers: [19, 24, 24] Generated Node #0,0: 67:[19, 24, 24] Operation: 3*8=24 Exploring Operation: 19*3=57, Resulting Numbers: [24, 8, 57] Generated Node #0,1: 67:[24, 8, 57] Operation: 19*3=57 Exploring Operation: 24*3=72, Resulting Numbers: [19, 8, 72] Generated Node #0,2: 67:[19, 8, 72] Operation: 24*3=72 Exploring Operation: 19+24=43, Resulting Numbers: [3, 8, 43] Generated Node #0,3: 67:[3, 8, 43] Operation: 19+24=43 Moving to Node #0,1 Current State: 67:[24, 8, 57], Operations: ['19*3=57'] Exploring Operation: 24-8=16, Resulting Numbers: [57, 16] Generated Node #0,1,0: 67:[57, 16] Operation: 24-8=16 Exploring Operation: 8+57=65, Resulting Numbers: [24, 65] Generated Node #0,1,1: 67:[24, 65] Operation: 8+57=65 Exploring Operation: 24+8=32, Resulting Numbers: [57, 32] Generated Node #0,1,2: 67:[57, 32] Operation: 24+8=32 Exploring Operation: 57-8=49, Resulting Numbers: [24, 49] Generated Node #0,1,3: 67:[24, 49] Operation: 57-8=49 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[24, 65], Operations: ['19*3=57', '8+57=65'] Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,67 unequal: No Solution Exploring Operation: 24+65=89, Resulting Numbers: [89] 89,67 unequal: No Solution Exploring Operation: 24*65=1560, Resulting Numbers: [1560] 1560,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 67:[57, 32], Operations: ['19*3=57', '24+8=32'] Exploring Operation: 57+32=89, Resulting Numbers: [89] 89,67 unequal: No Solution Exploring Operation: 57-32=25, Resulting Numbers: [25] 25,67 unequal: No Solution Exploring Operation: 57*32=1824, Resulting Numbers: [1824] 1824,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 67:[57, 16], Operations: ['19*3=57', '24-8=16'] Exploring Operation: 57+16=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 57-16=41, Resulting Numbers: [41] 41,67 unequal: No Solution Exploring Operation: 57*16=912, Resulting Numbers: [912] 912,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 67:[24, 49], Operations: ['19*3=57', '57-8=49'] Exploring Operation: 24+49=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 24*49=1176, Resulting Numbers: [1176] 1176,67 unequal: No Solution Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,67 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: 67:[19, 8, 72], Operations: ['24*3=72'] Exploring Operation: 8+72=80, Resulting Numbers: [19, 80] Generated Node #0,2,0: 67:[19, 80] Operation: 8+72=80 Exploring Operation: 72-8=64, Resulting Numbers: [19, 64] Generated Node #0,2,1: 67:[19, 64] Operation: 72-8=64 Exploring Operation: 19-8=11, Resulting Numbers: [72, 11] Generated Node #0,2,2: 67:[72, 11] Operation: 19-8=11 Exploring Operation: 19+8=27, Resulting Numbers: [72, 27] Generated Node #0,2,3: 67:[72, 27] Operation: 19+8=27 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 67:[72, 27], Operations: ['24*3=72', '19+8=27'] Exploring Operation: 72+27=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 72*27=1944, Resulting Numbers: [1944] 1944,67 unequal: No Solution Exploring Operation: 72-27=45, Resulting Numbers: [45] 45,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[19, 64], Operations: ['24*3=72', '72-8=64'] Exploring Operation: 19+64=83, Resulting Numbers: [83] 83,67 unequal: No Solution Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,67 unequal: No Solution Exploring Operation: 19*64=1216, Resulting Numbers: [1216] 1216,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[19, 80], Operations: ['24*3=72', '8+72=80'] Exploring Operation: 19+80=99, Resulting Numbers: [99] 99,67 unequal: No Solution Exploring Operation: 19*80=1520, Resulting Numbers: [1520] 1520,67 unequal: No Solution Exploring Operation: 80-19=61, Resulting Numbers: [61] 61,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 67:[72, 11], Operations: ['24*3=72', '19-8=11'] Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,67 unequal: No Solution Exploring Operation: 72*11=792, Resulting Numbers: [792] 792,67 unequal: No Solution Exploring Operation: 72+11=83, Resulting Numbers: [83] 83,67 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: 67:[19, 24, 24], Operations: ['3*8=24'] Exploring Operation: 24-19=5, Resulting Numbers: [24, 5] Generated Node #0,0,0: 67:[24, 5] Operation: 24-19=5 Exploring Operation: 19+24=43, Resulting Numbers: [24, 43] Generated Node #0,0,1: 67:[24, 43] Operation: 19+24=43 Exploring Operation: 19+24=43, Resulting Numbers: [24, 43] Generated Node #0,0,2: 67:[24, 43] Operation: 19+24=43 Exploring Operation: 24+24=48, Resulting Numbers: [19, 48] Generated Node #0,0,3: 67:[19, 48] Operation: 24+24=48 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[24, 43], Operations: ['3*8=24', '19+24=43'] Exploring Operation: 24*43=1032, Resulting Numbers: [1032] 1032,67 unequal: No Solution Exploring Operation: 24+43=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[19, 24, 3, 8], Operations: [] Exploring Operation: 3*8=24, Resulting Numbers: [19, 24, 24] Generated Node #0,0: 67:[19, 24, 24] Operation: 3*8=24 Moving to Node #0,0 Current State: 67:[19, 24, 24], Operations: ['3*8=24'] Exploring Operation: 19+24=43, Resulting Numbers: [24, 43] Generated Node #0,0,1: 67:[24, 43] Operation: 19+24=43 Moving to Node #0,0,1 Current State: 67:[24, 43], Operations: ['3*8=24', '19+24=43'] Exploring Operation: 24+43=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.960069
hs_4
mult_heuristic
[ 13, 65, 42, 87 ]
51
[ "13+65=78", "42+87=129", "129-78=51" ]
Current State: 51:[13, 65, 42, 87], Operations: [] Exploring Operation: 13+65=78, Resulting Numbers: [42, 87, 78] Generated Node #2: [42, 87, 78] from Operation: 13+65=78 Current State: 51:[42, 87, 78], Operations: ['13+65=78'] Exploring Operation: 42+87=129, Resulting Numbers: [78, 129] Generated Node #3: [78, 129] from Operation: 42+87=129 Current State: 51:[78, 129], Operations: ['13+65=78', '42+87=129'] Exploring Operation: 129-78=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[13, 65, 42, 87], Operations: [] Exploring Operation: 87-42=45, Resulting Numbers: [13, 65, 45] Generated Node #0,0: 51:[13, 65, 45] Operation: 87-42=45 Exploring Operation: 87-65=22, Resulting Numbers: [13, 42, 22] Generated Node #0,1: 51:[13, 42, 22] Operation: 87-65=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[13, 42, 22], Operations: ['87-65=22'] Exploring Operation: 42-22=20, Resulting Numbers: [13, 20] Generated Node #0,1,0: 51:[13, 20] Operation: 42-22=20 Exploring Operation: 13+42=55, Resulting Numbers: [22, 55] Generated Node #0,1,1: 51:[22, 55] Operation: 13+42=55 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 51:[13, 20], Operations: ['87-65=22', '42-22=20'] Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 13+20=33, Resulting Numbers: [33] 33,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 51:[22, 55], Operations: ['87-65=22', '13+42=55'] Exploring Operation: 22+55=77, Resulting Numbers: [77] 77,51 unequal: No Solution Exploring Operation: 55-22=33, Resulting Numbers: [33] 33,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[13, 65, 45], Operations: ['87-42=45'] Exploring Operation: 65-13=52, Resulting Numbers: [45, 52] Generated Node #0,0,0: 51:[45, 52] Operation: 65-13=52 Exploring Operation: 65-45=20, Resulting Numbers: [13, 20] Generated Node #0,0,1: 51:[13, 20] Operation: 65-45=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[45, 52], Operations: ['87-42=45', '65-13=52'] Exploring Operation: 52-45=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 45+52=97, Resulting Numbers: [97] 97,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[13, 20], Operations: ['87-42=45', '65-45=20'] Exploring Operation: 13+20=33, Resulting Numbers: [33] 33,51 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 2, 44, 38, 40 ]
74
[ "2*40=80", "44-38=6", "80-6=74" ]
Current State: 74:[2, 44, 38, 40], Operations: [] Exploring Operation: 2*40=80, Resulting Numbers: [44, 38, 80] Generated Node #2: [44, 38, 80] from Operation: 2*40=80 Current State: 74:[44, 38, 80], Operations: ['2*40=80'] Exploring Operation: 44-38=6, Resulting Numbers: [80, 6] Generated Node #3: [80, 6] from Operation: 44-38=6 Current State: 74:[80, 6], Operations: ['2*40=80', '44-38=6'] Exploring Operation: 80-6=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[2, 44, 38, 40], Operations: [] Exploring Operation: 44-40=4, Resulting Numbers: [2, 38, 4] Generated Node #0,0: 74:[2, 38, 4] Operation: 44-40=4 Exploring Operation: 44-38=6, Resulting Numbers: [2, 40, 6] Generated Node #0,1: 74:[2, 40, 6] Operation: 44-38=6 Exploring Operation: 40-38=2, Resulting Numbers: [2, 44, 2] Generated Node #0,2: 74:[2, 44, 2] Operation: 40-38=2 Exploring Operation: 40-2=38, Resulting Numbers: [44, 38, 38] Generated Node #0,3: 74:[44, 38, 38] Operation: 40-2=38 Exploring Operation: 44-2=42, Resulting Numbers: [38, 40, 42] Generated Node #0,4: 74:[38, 40, 42] Operation: 44-2=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[2, 38, 4], Operations: ['44-40=4'] Exploring Operation: 38-4=34, Resulting Numbers: [2, 34] Generated Node #0,0,0: 74:[2, 34] Operation: 38-4=34 Exploring Operation: 38-2=36, Resulting Numbers: [4, 36] Generated Node #0,0,1: 74:[4, 36] Operation: 38-2=36 Exploring Operation: 4/2=2, Resulting Numbers: [38, 2] Generated Node #0,0,2: 74:[38, 2] Operation: 4/2=2 Exploring Operation: 2*38=76, Resulting Numbers: [4, 76] Generated Node #0,0,3: 74:[4, 76] Operation: 2*38=76 Exploring Operation: 4-2=2, Resulting Numbers: [38, 2] Generated Node #0,0,4: 74:[38, 2] Operation: 4-2=2 Moving to Node #0,0,2 Current State: 74:[38, 2], Operations: ['44-40=4', '4/2=2'] Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,74 unequal: No Solution Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 38*2=76, Resulting Numbers: [76] 76,74 unequal: No Solution Moving to Node #0,0,4 Current State: 74:[38, 2], Operations: ['44-40=4', '4-2=2'] Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 38*2=76, Resulting Numbers: [76] 76,74 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,74 unequal: No Solution Moving to Node #0,0,0 Current State: 74:[2, 34], Operations: ['44-40=4', '38-4=34'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,74 unequal: No Solution Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,74 unequal: No Solution Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[4, 36], Operations: ['44-40=4', '38-2=36'] Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,74 unequal: No Solution Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 4*36=144, Resulting Numbers: [144] 144,74 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,74 unequal: No Solution Moving to Node #0,0,3 Current State: 74:[4, 76], Operations: ['44-40=4', '2*38=76'] Exploring Operation: 4*76=304, Resulting Numbers: [304] 304,74 unequal: No Solution Exploring Operation: 4+76=80, Resulting Numbers: [80] 80,74 unequal: No Solution Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,74 unequal: No Solution Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[2, 40, 6], Operations: ['44-38=6'] Exploring Operation: 6-2=4, Resulting Numbers: [40, 4] Generated Node #0,1,0: 74:[40, 4] Operation: 6-2=4 Exploring Operation: 40-2=38, Resulting Numbers: [6, 38] Generated Node #0,1,1: 74:[6, 38] Operation: 40-2=38 Exploring Operation: 2+40=42, Resulting Numbers: [6, 42] Generated Node #0,1,2: 74:[6, 42] Operation: 2+40=42 Exploring Operation: 6/2=3, Resulting Numbers: [40, 3] Generated Node #0,1,3: 74:[40, 3] Operation: 6/2=3 Exploring Operation: 40-6=34, Resulting Numbers: [2, 34] Generated Node #0,1,4: 74:[2, 34] Operation: 40-6=34 Moving to Node #0,1,4 Current State: 74:[2, 34], Operations: ['44-38=6', '40-6=34'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,74 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,74 unequal: No Solution Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,74 unequal: No Solution Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,74 unequal: No Solution Moving to Node #0,1,3 Current State: 74:[40, 3], Operations: ['44-38=6', '6/2=3'] Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,74 unequal: No Solution Exploring Operation: 40*3=120, Resulting Numbers: [120] 120,74 unequal: No Solution Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,74 unequal: No Solution Moving to Node #0,1,0 Current State: 74:[40, 4], Operations: ['44-38=6', '6-2=4'] Exploring Operation: 40*4=160, Resulting Numbers: [160] 160,74 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,74 unequal: No Solution Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,74 unequal: No Solution Moving to Node #0,1,1 Current State: 74:[6, 38], Operations: ['44-38=6', '40-2=38'] Exploring Operation: 6*38=228, Resulting Numbers: [228] 228,74 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,74 unequal: No Solution Exploring Operation: 6+38=44, Resulting Numbers: [44] 44,74 unequal: No Solution Moving to Node #0,1,2 Current State: 74:[6, 42], Operations: ['44-38=6', '2+40=42'] Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,74 unequal: No Solution Exploring Operation: 6+42=48, Resulting Numbers: [48] 48,74 unequal: No Solution Exploring Operation: 6*42=252, Resulting Numbers: [252] 252,74 unequal: No Solution Exploring Operation: 42-6=36, Resulting Numbers: [36] 36,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 74:[2, 44, 2], Operations: ['40-38=2'] Exploring Operation: 44-2=42, Resulting Numbers: [2, 42] Generated Node #0,2,0: 74:[2, 42] Operation: 44-2=42 Exploring Operation: 2+2=4, Resulting Numbers: [44, 4] Generated Node #0,2,1: 74:[44, 4] Operation: 2+2=4 Exploring Operation: 2/2=1, Resulting Numbers: [44, 1] Generated Node #0,2,2: 74:[44, 1] Operation: 2/2=1 Exploring Operation: 44-2=42, Resulting Numbers: [2, 42] Generated Node #0,2,3: 74:[2, 42] Operation: 44-2=42 Exploring Operation: 2+44=46, Resulting Numbers: [2, 46] Generated Node #0,2,4: 74:[2, 46] Operation: 2+44=46 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 74:[2, 42], Operations: ['40-38=2', '44-2=42'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,74 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,74 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,74 unequal: No Solution No 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: 74:[2, 42], Operations: ['40-38=2', '44-2=42'] Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,74 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,74 unequal: No Solution No 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: 74:[44, 1], Operations: ['40-38=2', '2/2=1'] Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,74 unequal: No Solution Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,74 unequal: No Solution Exploring Operation: 44*1=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,74 unequal: No Solution No 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: 74:[44, 4], Operations: ['40-38=2', '2+2=4'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,74 unequal: No Solution Exploring Operation: 44*4=176, Resulting Numbers: [176] 176,74 unequal: No Solution Exploring Operation: 44+4=48, Resulting Numbers: [48] 48,74 unequal: No Solution Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,74 unequal: No Solution No 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: 74:[2, 46], Operations: ['40-38=2', '2+44=46'] Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,74 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,74 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,74 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: 74:[44, 38, 38], Operations: ['40-2=38'] Exploring Operation: 38/38=1, Resulting Numbers: [44, 1] Generated Node #0,3,0: 74:[44, 1] Operation: 38/38=1 Exploring Operation: 44-38=6, Resulting Numbers: [38, 6] Generated Node #0,3,1: 74:[38, 6] Operation: 44-38=6 Exploring Operation: 44+38=82, Resulting Numbers: [38, 82] Generated Node #0,3,2: 74:[38, 82] Operation: 44+38=82 Exploring Operation: 44+38=82, Resulting Numbers: [38, 82] Generated Node #0,3,3: 74:[38, 82] Operation: 44+38=82 Exploring Operation: 44-38=6, Resulting Numbers: [38, 6] Generated Node #0,3,4: 74:[38, 6] Operation: 44-38=6 Moving to Node #0,3,1 Current State: 74:[38, 6], Operations: ['40-2=38', '44-38=6'] Exploring Operation: 38*6=228, Resulting Numbers: [228] 228,74 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,74 unequal: No Solution Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,74 unequal: No Solution Moving to Node #0,3,4 Current State: 74:[38, 6], Operations: ['40-2=38', '44-38=6'] Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 38*6=228, Resulting Numbers: [228] 228,74 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,74 unequal: No Solution Moving to Node #0,3,0 Current State: 74:[44, 1], Operations: ['40-2=38', '38/38=1'] Exploring Operation: 44*1=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,74 unequal: No Solution Exploring Operation: 44-1=43, Resulting Numbers: [43] 43,74 unequal: No Solution Moving to Node #0,3,2 Current State: 74:[38, 82], Operations: ['40-2=38', '44+38=82'] Exploring Operation: 82-38=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 38+82=120, Resulting Numbers: [120] 120,74 unequal: No Solution Exploring Operation: 38*82=3116, Resulting Numbers: [3116] 3116,74 unequal: No Solution Moving to Node #0,3,3 Current State: 74:[38, 82], Operations: ['40-2=38', '44+38=82'] Exploring Operation: 82-38=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 38+82=120, Resulting Numbers: [120] 120,74 unequal: No Solution Exploring Operation: 38*82=3116, Resulting Numbers: [3116] 3116,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 74:[38, 40, 42], Operations: ['44-2=42'] Exploring Operation: 38+42=80, Resulting Numbers: [40, 80] Generated Node #0,4,0: 74:[40, 80] Operation: 38+42=80 Exploring Operation: 42-40=2, Resulting Numbers: [38, 2] Generated Node #0,4,1: 74:[38, 2] Operation: 42-40=2 Exploring Operation: 42-38=4, Resulting Numbers: [40, 4] Generated Node #0,4,2: 74:[40, 4] Operation: 42-38=4 Exploring Operation: 38+40=78, Resulting Numbers: [42, 78] Generated Node #0,4,3: 74:[42, 78] Operation: 38+40=78 Exploring Operation: 40-38=2, Resulting Numbers: [42, 2] Generated Node #0,4,4: 74:[42, 2] Operation: 40-38=2 Moving to Node #0,4,1 Current State: 74:[38, 2], Operations: ['44-2=42', '42-40=2'] Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,74 unequal: No Solution Exploring Operation: 38*2=76, Resulting Numbers: [76] 76,74 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,74 unequal: No Solution Moving to Node #0,4,4 Current State: 74:[42, 2], Operations: ['44-2=42', '40-38=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,74 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,74 unequal: No Solution Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,74 unequal: No Solution Moving to Node #0,4,2 Current State: 74:[40, 4], Operations: ['44-2=42', '42-38=4'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,74 unequal: No Solution Exploring Operation: 40*4=160, Resulting Numbers: [160] 160,74 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,74 unequal: No Solution Moving to Node #0,4,0 Current State: 74:[40, 80], Operations: ['44-2=42', '38+42=80'] Exploring Operation: 80/40=2, Resulting Numbers: [2] 2,74 unequal: No Solution Exploring Operation: 40*80=3200, Resulting Numbers: [3200] 3200,74 unequal: No Solution Exploring Operation: 80-40=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 40+80=120, Resulting Numbers: [120] 120,74 unequal: No Solution Moving to Node #0,4,3 Current State: 74:[42, 78], Operations: ['44-2=42', '38+40=78'] Exploring Operation: 42*78=3276, Resulting Numbers: [3276] 3276,74 unequal: No Solution Exploring Operation: 42+78=120, Resulting Numbers: [120] 120,74 unequal: No Solution Exploring Operation: 78-42=36, Resulting Numbers: [36] 36,74 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
[ 62, 78, 39, 55 ]
69
[ "62*78=4836", "4836/39=124", "124-55=69" ]
Current State: 69:[62, 78, 39, 55], Operations: [] Exploring Operation: 62*78=4836, Resulting Numbers: [39, 55, 4836] Generated Node #2: [39, 55, 4836] from Operation: 62*78=4836 Current State: 69:[39, 55, 4836], Operations: ['62*78=4836'] Exploring Operation: 4836/39=124, Resulting Numbers: [55, 124] Generated Node #3: [55, 124] from Operation: 4836/39=124 Current State: 69:[55, 124], Operations: ['62*78=4836', '4836/39=124'] Exploring Operation: 124-55=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[62, 78, 39, 55], Operations: [] Exploring Operation: 78/39=2, Resulting Numbers: [62, 55, 2] Generated Node #0,0: 69:[62, 55, 2] Operation: 78/39=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[62, 55, 2], Operations: ['78/39=2'] Exploring Operation: 62-55=7, Resulting Numbers: [2, 7] Generated Node #0,0,0: 69:[2, 7] Operation: 62-55=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[2, 7], Operations: ['78/39=2', '62-55=7'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,69 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_1
mult_heuristic
[ 27, 76, 3, 77 ]
84
[ "76-27=49", "77-49=28", "3*28=84" ]
Current State: 84:[27, 76, 3, 77], Operations: [] Exploring Operation: 76-27=49, Resulting Numbers: [3, 77, 49] Generated Node #2: [3, 77, 49] from Operation: 76-27=49 Current State: 84:[3, 77, 49], Operations: ['76-27=49'] Exploring Operation: 77-49=28, Resulting Numbers: [3, 28] Generated Node #3: [3, 28] from Operation: 77-49=28 Current State: 84:[3, 28], Operations: ['76-27=49', '77-49=28'] Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[27, 76, 3, 77], Operations: [] Exploring Operation: 76+3=79, Resulting Numbers: [27, 77, 79] Generated Node #0,0: 84:[27, 77, 79] Operation: 76+3=79 Exploring Operation: 77-76=1, Resulting Numbers: [27, 3, 1] Generated Node #0,1: 84:[27, 3, 1] Operation: 77-76=1 Exploring Operation: 3+77=80, Resulting Numbers: [27, 76, 80] Generated Node #0,2: 84:[27, 76, 80] Operation: 3+77=80 Moving to Node #0,1 Current State: 84:[27, 3, 1], Operations: ['77-76=1'] Exploring Operation: 27+1=28, Resulting Numbers: [3, 28] Generated Node #0,1,0: 84:[3, 28] Operation: 27+1=28 Exploring Operation: 27/1=27, Resulting Numbers: [3, 27] Generated Node #0,1,1: 84:[3, 27] Operation: 27/1=27 Exploring Operation: 27*1=27, Resulting Numbers: [3, 27] Generated Node #0,1,2: 84:[3, 27] Operation: 27*1=27 Moving to Node #0,0 Current State: 84:[27, 77, 79], Operations: ['76+3=79'] Exploring Operation: 79-27=52, Resulting Numbers: [77, 52] Generated Node #0,0,0: 84:[77, 52] Operation: 79-27=52 Exploring Operation: 77-27=50, Resulting Numbers: [79, 50] Generated Node #0,0,1: 84:[79, 50] Operation: 77-27=50 Exploring Operation: 79-77=2, Resulting Numbers: [27, 2] Generated Node #0,0,2: 84:[27, 2] Operation: 79-77=2 Moving to Node #0,2 Current State: 84:[27, 76, 80], Operations: ['3+77=80'] Exploring Operation: 76-27=49, Resulting Numbers: [80, 49] Generated Node #0,2,0: 84:[80, 49] Operation: 76-27=49 Exploring Operation: 80-27=53, Resulting Numbers: [76, 53] Generated Node #0,2,1: 84:[76, 53] Operation: 80-27=53 Exploring Operation: 80-76=4, Resulting Numbers: [27, 4] Generated Node #0,2,2: 84:[27, 4] Operation: 80-76=4 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 84:[27, 4], Operations: ['3+77=80', '80-76=4'] Exploring Operation: 27*4=108, Resulting Numbers: [108] 108,84 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,84 unequal: No Solution Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 84:[80, 49], Operations: ['3+77=80', '76-27=49'] Exploring Operation: 80*49=3920, Resulting Numbers: [3920] 3920,84 unequal: No Solution Exploring Operation: 80-49=31, Resulting Numbers: [31] 31,84 unequal: No Solution Exploring Operation: 80+49=129, Resulting Numbers: [129] 129,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 84:[76, 53], Operations: ['3+77=80', '80-27=53'] Exploring Operation: 76*53=4028, Resulting Numbers: [4028] 4028,84 unequal: No Solution Exploring Operation: 76-53=23, Resulting Numbers: [23] 23,84 unequal: No Solution Exploring Operation: 76+53=129, Resulting Numbers: [129] 129,84 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: 84:[3, 28], Operations: ['77-76=1', '27+1=28'] Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[27, 76, 3, 77], Operations: [] Exploring Operation: 77-76=1, Resulting Numbers: [27, 3, 1] Generated Node #0,1: 84:[27, 3, 1] Operation: 77-76=1 Moving to Node #0,1 Current State: 84:[27, 3, 1], Operations: ['77-76=1'] Exploring Operation: 27+1=28, Resulting Numbers: [3, 28] Generated Node #0,1,0: 84:[3, 28] Operation: 27+1=28 Moving to Node #0,1,0 Current State: 84:[3, 28], Operations: ['77-76=1', '27+1=28'] Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
0.977431
hs_3
sum_heuristic
[ 8, 97, 13, 59 ]
96
[ "97+59=156", "8*156=1248", "1248/13=96" ]
Current State: 96:[8, 97, 13, 59], Operations: [] Exploring Operation: 97+59=156, Resulting Numbers: [8, 13, 156] Generated Node #2: [8, 13, 156] from Operation: 97+59=156 Current State: 96:[8, 13, 156], Operations: ['97+59=156'] Exploring Operation: 8*156=1248, Resulting Numbers: [13, 1248] Generated Node #3: [13, 1248] from Operation: 8*156=1248 Current State: 96:[13, 1248], Operations: ['97+59=156', '8*156=1248'] Exploring Operation: 1248/13=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[8, 97, 13, 59], Operations: [] Exploring Operation: 59-13=46, Resulting Numbers: [8, 97, 46] Generated Node #0,0: 96:[8, 97, 46] Operation: 59-13=46 Exploring Operation: 13-8=5, Resulting Numbers: [97, 59, 5] Generated Node #0,1: 96:[97, 59, 5] Operation: 13-8=5 Exploring Operation: 97-59=38, Resulting Numbers: [8, 13, 38] Generated Node #0,2: 96:[8, 13, 38] Operation: 97-59=38 Exploring Operation: 59-8=51, Resulting Numbers: [97, 13, 51] Generated Node #0,3: 96:[97, 13, 51] Operation: 59-8=51 Exploring Operation: 8+13=21, Resulting Numbers: [97, 59, 21] Generated Node #0,4: 96:[97, 59, 21] Operation: 8+13=21 Moving to Node #0,0 Current State: 96:[8, 97, 46], Operations: ['59-13=46'] Exploring Operation: 97-46=51, Resulting Numbers: [8, 51] Generated Node #0,0,0: 96:[8, 51] Operation: 97-46=51 Exploring Operation: 46-8=38, Resulting Numbers: [97, 38] Generated Node #0,0,1: 96:[97, 38] Operation: 46-8=38 Exploring Operation: 8+97=105, Resulting Numbers: [46, 105] Generated Node #0,0,2: 96:[46, 105] Operation: 8+97=105 Exploring Operation: 8+46=54, Resulting Numbers: [97, 54] Generated Node #0,0,3: 96:[97, 54] Operation: 8+46=54 Exploring Operation: 97-8=89, Resulting Numbers: [46, 89] Generated Node #0,0,4: 96:[46, 89] Operation: 97-8=89 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[8, 51], Operations: ['59-13=46', '97-46=51'] Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 8*51=408, Resulting Numbers: [408] 408,96 unequal: No Solution Exploring Operation: 8+51=59, Resulting Numbers: [59] 59,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 96:[97, 38], Operations: ['59-13=46', '46-8=38'] Exploring Operation: 97-38=59, Resulting Numbers: [59] 59,96 unequal: No Solution Exploring Operation: 97*38=3686, Resulting Numbers: [3686] 3686,96 unequal: No Solution Exploring Operation: 97+38=135, Resulting Numbers: [135] 135,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 96:[97, 54], Operations: ['59-13=46', '8+46=54'] Exploring Operation: 97*54=5238, Resulting Numbers: [5238] 5238,96 unequal: No Solution Exploring Operation: 97-54=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 97+54=151, Resulting Numbers: [151] 151,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 96:[46, 89], Operations: ['59-13=46', '97-8=89'] Exploring Operation: 89-46=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 46*89=4094, Resulting Numbers: [4094] 4094,96 unequal: No Solution Exploring Operation: 46+89=135, Resulting Numbers: [135] 135,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 96:[46, 105], Operations: ['59-13=46', '8+97=105'] Exploring Operation: 105-46=59, Resulting Numbers: [59] 59,96 unequal: No Solution Exploring Operation: 46+105=151, Resulting Numbers: [151] 151,96 unequal: No Solution Exploring Operation: 46*105=4830, Resulting Numbers: [4830] 4830,96 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: 96:[97, 13, 51], Operations: ['59-8=51'] Exploring Operation: 51-13=38, Resulting Numbers: [97, 38] Generated Node #0,3,0: 96:[97, 38] Operation: 51-13=38 Exploring Operation: 97-13=84, Resulting Numbers: [51, 84] Generated Node #0,3,1: 96:[51, 84] Operation: 97-13=84 Exploring Operation: 13+51=64, Resulting Numbers: [97, 64] Generated Node #0,3,2: 96:[97, 64] Operation: 13+51=64 Exploring Operation: 97-51=46, Resulting Numbers: [13, 46] Generated Node #0,3,3: 96:[13, 46] Operation: 97-51=46 Exploring Operation: 97+13=110, Resulting Numbers: [51, 110] Generated Node #0,3,4: 96:[51, 110] Operation: 97+13=110 Moving to Node #0,2 Current State: 96:[8, 13, 38], Operations: ['97-59=38'] Exploring Operation: 8+38=46, Resulting Numbers: [13, 46] Generated Node #0,2,0: 96:[13, 46] Operation: 8+38=46 Exploring Operation: 38-8=30, Resulting Numbers: [13, 30] Generated Node #0,2,1: 96:[13, 30] Operation: 38-8=30 Exploring Operation: 13+38=51, Resulting Numbers: [8, 51] Generated Node #0,2,2: 96:[8, 51] Operation: 13+38=51 Exploring Operation: 38-13=25, Resulting Numbers: [8, 25] Generated Node #0,2,3: 96:[8, 25] Operation: 38-13=25 Exploring Operation: 13-8=5, Resulting Numbers: [38, 5] Generated Node #0,2,4: 96:[38, 5] Operation: 13-8=5 Moving to Node #0,1 Current State: 96:[97, 59, 5], Operations: ['13-8=5'] Exploring Operation: 97-5=92, Resulting Numbers: [59, 92] Generated Node #0,1,0: 96:[59, 92] Operation: 97-5=92 Exploring Operation: 59+5=64, Resulting Numbers: [97, 64] Generated Node #0,1,1: 96:[97, 64] Operation: 59+5=64 Exploring Operation: 97+5=102, Resulting Numbers: [59, 102] Generated Node #0,1,2: 96:[59, 102] Operation: 97+5=102 Exploring Operation: 97-59=38, Resulting Numbers: [5, 38] Generated Node #0,1,3: 96:[5, 38] Operation: 97-59=38 Exploring Operation: 59-5=54, Resulting Numbers: [97, 54] Generated Node #0,1,4: 96:[97, 54] Operation: 59-5=54 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 96:[5, 38], Operations: ['13-8=5', '97-59=38'] Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 5*38=190, Resulting Numbers: [190] 190,96 unequal: No Solution Exploring Operation: 5+38=43, Resulting Numbers: [43] 43,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 96:[97, 54], Operations: ['13-8=5', '59-5=54'] Exploring Operation: 97-54=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 97+54=151, Resulting Numbers: [151] 151,96 unequal: No Solution Exploring Operation: 97*54=5238, Resulting Numbers: [5238] 5238,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[59, 92], Operations: ['13-8=5', '97-5=92'] Exploring Operation: 59+92=151, Resulting Numbers: [151] 151,96 unequal: No Solution Exploring Operation: 92-59=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 59*92=5428, Resulting Numbers: [5428] 5428,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 96:[97, 64], Operations: ['13-8=5', '59+5=64'] Exploring Operation: 97+64=161, Resulting Numbers: [161] 161,96 unequal: No Solution Exploring Operation: 97-64=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 97*64=6208, Resulting Numbers: [6208] 6208,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 96:[59, 102], Operations: ['13-8=5', '97+5=102'] Exploring Operation: 59+102=161, Resulting Numbers: [161] 161,96 unequal: No Solution Exploring Operation: 102-59=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 59*102=6018, Resulting Numbers: [6018] 6018,96 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: 96:[97, 59, 21], Operations: ['8+13=21'] Exploring Operation: 97+21=118, Resulting Numbers: [59, 118] Generated Node #0,4,0: 96:[59, 118] Operation: 97+21=118 Exploring Operation: 59-21=38, Resulting Numbers: [97, 38] Generated Node #0,4,1: 96:[97, 38] Operation: 59-21=38 Exploring Operation: 59+21=80, Resulting Numbers: [97, 80] Generated Node #0,4,2: 96:[97, 80] Operation: 59+21=80 Exploring Operation: 97-21=76, Resulting Numbers: [59, 76] Generated Node #0,4,3: 96:[59, 76] Operation: 97-21=76 Exploring Operation: 97-59=38, Resulting Numbers: [21, 38] Generated Node #0,4,4: 96:[21, 38] Operation: 97-59=38 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 96:[97, 38], Operations: ['8+13=21', '59-21=38'] Exploring Operation: 97*38=3686, Resulting Numbers: [3686] 3686,96 unequal: No Solution Exploring Operation: 97-38=59, Resulting Numbers: [59] 59,96 unequal: No Solution Exploring Operation: 97+38=135, Resulting Numbers: [135] 135,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 96:[21, 38], Operations: ['8+13=21', '97-59=38'] Exploring Operation: 21*38=798, Resulting Numbers: [798] 798,96 unequal: No Solution Exploring Operation: 21+38=59, Resulting Numbers: [59] 59,96 unequal: No Solution Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 96:[97, 80], Operations: ['8+13=21', '59+21=80'] Exploring Operation: 97*80=7760, Resulting Numbers: [7760] 7760,96 unequal: No Solution Exploring Operation: 97+80=177, Resulting Numbers: [177] 177,96 unequal: No Solution Exploring Operation: 97-80=17, Resulting Numbers: [17] 17,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 96:[59, 76], Operations: ['8+13=21', '97-21=76'] Exploring Operation: 59+76=135, Resulting Numbers: [135] 135,96 unequal: No Solution Exploring Operation: 59*76=4484, Resulting Numbers: [4484] 4484,96 unequal: No Solution Exploring Operation: 76-59=17, Resulting Numbers: [17] 17,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 96:[59, 118], Operations: ['8+13=21', '97+21=118'] Exploring Operation: 118-59=59, Resulting Numbers: [59] 59,96 unequal: No Solution Exploring Operation: 59+118=177, Resulting Numbers: [177] 177,96 unequal: No Solution Exploring Operation: 118/59=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 59*118=6962, Resulting Numbers: [6962] 6962,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 96:[8, 25], Operations: ['97-59=38', '38-13=25'] Exploring Operation: 8+25=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 8*25=200, Resulting Numbers: [200] 200,96 unequal: No Solution Moving to Node #0,3,3 Current State: 96:[13, 46], Operations: ['59-8=51', '97-51=46'] Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 13*46=598, Resulting Numbers: [598] 598,96 unequal: No Solution Exploring Operation: 13+46=59, Resulting Numbers: [59] 59,96 unequal: No Solution Moving to Node #0,2,0 Current State: 96:[13, 46], Operations: ['97-59=38', '8+38=46'] Exploring Operation: 13+46=59, Resulting Numbers: [59] 59,96 unequal: No Solution Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 13*46=598, Resulting Numbers: [598] 598,96 unequal: No Solution Moving to Node #0,2,1 Current State: 96:[13, 30], Operations: ['97-59=38', '38-8=30'] Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 13*30=390, Resulting Numbers: [390] 390,96 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[8, 51], Operations: ['97-59=38', '13+38=51'] Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 8+51=59, Resulting Numbers: [59] 59,96 unequal: No Solution Exploring Operation: 8*51=408, Resulting Numbers: [408] 408,96 unequal: No Solution Moving to Node #0,3,0 Current State: 96:[97, 38], Operations: ['59-8=51', '51-13=38'] Exploring Operation: 97*38=3686, Resulting Numbers: [3686] 3686,96 unequal: No Solution Exploring Operation: 97-38=59, Resulting Numbers: [59] 59,96 unequal: No Solution Exploring Operation: 97+38=135, Resulting Numbers: [135] 135,96 unequal: No Solution Moving to Node #0,2,4 Current State: 96:[38, 5], Operations: ['97-59=38', '13-8=5'] Exploring Operation: 38+5=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 38*5=190, Resulting Numbers: [190] 190,96 unequal: No Solution Moving to Node #0,3,1 Current State: 96:[51, 84], Operations: ['59-8=51', '97-13=84'] Exploring Operation: 84-51=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 51*84=4284, Resulting Numbers: [4284] 4284,96 unequal: No Solution Exploring Operation: 51+84=135, Resulting Numbers: [135] 135,96 unequal: No Solution Moving to Node #0,3,2 Current State: 96:[97, 64], Operations: ['59-8=51', '13+51=64'] Exploring Operation: 97*64=6208, Resulting Numbers: [6208] 6208,96 unequal: No Solution Exploring Operation: 97-64=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 97+64=161, Resulting Numbers: [161] 161,96 unequal: No Solution Moving to Node #0,3,4 Current State: 96:[51, 110], Operations: ['59-8=51', '97+13=110'] Exploring Operation: 51+110=161, Resulting Numbers: [161] 161,96 unequal: No Solution Exploring Operation: 110-51=59, Resulting Numbers: [59] 59,96 unequal: No Solution Exploring Operation: 51*110=5610, Resulting Numbers: [5610] 5610,96 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 95, 93, 94, 14 ]
66
[ "95-93=2", "14*2=28", "94-28=66" ]
Current State: 66:[95, 93, 94, 14], Operations: [] Exploring Operation: 95-93=2, Resulting Numbers: [94, 14, 2] Generated Node #2: [94, 14, 2] from Operation: 95-93=2 Current State: 66:[94, 14, 2], Operations: ['95-93=2'] Exploring Operation: 14*2=28, Resulting Numbers: [94, 28] Generated Node #3: [94, 28] from Operation: 14*2=28 Current State: 66:[94, 28], Operations: ['95-93=2', '14*2=28'] Exploring Operation: 94-28=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[95, 93, 94, 14], Operations: [] Exploring Operation: 95-93=2, Resulting Numbers: [94, 14, 2] Generated Node #0,0: 66:[94, 14, 2] Operation: 95-93=2 Exploring Operation: 93-14=79, Resulting Numbers: [95, 94, 79] Generated Node #0,1: 66:[95, 94, 79] Operation: 93-14=79 Exploring Operation: 94-93=1, Resulting Numbers: [95, 14, 1] Generated Node #0,2: 66:[95, 14, 1] Operation: 94-93=1 Exploring Operation: 95-14=81, Resulting Numbers: [93, 94, 81] Generated Node #0,3: 66:[93, 94, 81] Operation: 95-14=81 Exploring Operation: 95-94=1, Resulting Numbers: [93, 14, 1] Generated Node #0,4: 66:[93, 14, 1] Operation: 95-94=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[94, 14, 2], Operations: ['95-93=2'] Exploring Operation: 14/2=7, Resulting Numbers: [94, 7] Generated Node #0,0,0: 66:[94, 7] Operation: 14/2=7 Exploring Operation: 94-2=92, Resulting Numbers: [14, 92] Generated Node #0,0,1: 66:[14, 92] Operation: 94-2=92 Exploring Operation: 94/2=47, Resulting Numbers: [14, 47] Generated Node #0,0,2: 66:[14, 47] Operation: 94/2=47 Exploring Operation: 94-14=80, Resulting Numbers: [2, 80] Generated Node #0,0,3: 66:[2, 80] Operation: 94-14=80 Exploring Operation: 14-2=12, Resulting Numbers: [94, 12] Generated Node #0,0,4: 66:[94, 12] Operation: 14-2=12 Moving to Node #0,0,3 Current State: 66:[2, 80], Operations: ['95-93=2', '94-14=80'] Exploring Operation: 2+80=82, Resulting Numbers: [82] 82,66 unequal: No Solution Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,66 unequal: No Solution Exploring Operation: 2*80=160, Resulting Numbers: [160] 160,66 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,66 unequal: No Solution Moving to Node #0,0,2 Current State: 66:[14, 47], Operations: ['95-93=2', '94/2=47'] Exploring Operation: 14+47=61, Resulting Numbers: [61] 61,66 unequal: No Solution Exploring Operation: 14*47=658, Resulting Numbers: [658] 658,66 unequal: No Solution Exploring Operation: 47-14=33, Resulting Numbers: [33] 33,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[94, 7], Operations: ['95-93=2', '14/2=7'] Exploring Operation: 94-7=87, Resulting Numbers: [87] 87,66 unequal: No Solution Exploring Operation: 94+7=101, Resulting Numbers: [101] 101,66 unequal: No Solution Exploring Operation: 94*7=658, Resulting Numbers: [658] 658,66 unequal: No Solution Moving to Node #0,0,1 Current State: 66:[14, 92], Operations: ['95-93=2', '94-2=92'] Exploring Operation: 92-14=78, Resulting Numbers: [78] 78,66 unequal: No Solution Exploring Operation: 14*92=1288, Resulting Numbers: [1288] 1288,66 unequal: No Solution Exploring Operation: 14+92=106, Resulting Numbers: [106] 106,66 unequal: No Solution Moving to Node #0,0,4 Current State: 66:[94, 12], Operations: ['95-93=2', '14-2=12'] Exploring Operation: 94*12=1128, Resulting Numbers: [1128] 1128,66 unequal: No Solution Exploring Operation: 94-12=82, Resulting Numbers: [82] 82,66 unequal: No Solution Exploring Operation: 94+12=106, Resulting Numbers: [106] 106,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 66:[93, 14, 1], Operations: ['95-94=1'] Exploring Operation: 93/1=93, Resulting Numbers: [14, 93] Generated Node #0,4,0: 66:[14, 93] Operation: 93/1=93 Exploring Operation: 93-1=92, Resulting Numbers: [14, 92] Generated Node #0,4,1: 66:[14, 92] Operation: 93-1=92 Exploring Operation: 93-14=79, Resulting Numbers: [1, 79] Generated Node #0,4,2: 66:[1, 79] Operation: 93-14=79 Exploring Operation: 93*1=93, Resulting Numbers: [14, 93] Generated Node #0,4,3: 66:[14, 93] Operation: 93*1=93 Exploring Operation: 14-1=13, Resulting Numbers: [93, 13] Generated Node #0,4,4: 66:[93, 13] Operation: 14-1=13 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 66:[1, 79], Operations: ['95-94=1', '93-14=79'] Exploring Operation: 1*79=79, Resulting Numbers: [79] 79,66 unequal: No Solution Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,66 unequal: No Solution Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,66 unequal: No Solution Exploring Operation: 1+79=80, Resulting Numbers: [80] 80,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 66:[14, 92], Operations: ['95-94=1', '93-1=92'] Exploring Operation: 14+92=106, Resulting Numbers: [106] 106,66 unequal: No Solution Exploring Operation: 14*92=1288, Resulting Numbers: [1288] 1288,66 unequal: No Solution Exploring Operation: 92-14=78, Resulting Numbers: [78] 78,66 unequal: No Solution No 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: 66:[93, 13], Operations: ['95-94=1', '14-1=13'] Exploring Operation: 93*13=1209, Resulting Numbers: [1209] 1209,66 unequal: No Solution Exploring Operation: 93+13=106, Resulting Numbers: [106] 106,66 unequal: No Solution Exploring Operation: 93-13=80, Resulting Numbers: [80] 80,66 unequal: No Solution No 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: 66:[14, 93], Operations: ['95-94=1', '93/1=93'] Exploring Operation: 14*93=1302, Resulting Numbers: [1302] 1302,66 unequal: No Solution Exploring Operation: 93-14=79, Resulting Numbers: [79] 79,66 unequal: No Solution Exploring Operation: 14+93=107, Resulting Numbers: [107] 107,66 unequal: No Solution No 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: 66:[14, 93], Operations: ['95-94=1', '93*1=93'] Exploring Operation: 14*93=1302, Resulting Numbers: [1302] 1302,66 unequal: No Solution Exploring Operation: 93-14=79, Resulting Numbers: [79] 79,66 unequal: No Solution Exploring Operation: 14+93=107, Resulting Numbers: [107] 107,66 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: 66:[95, 14, 1], Operations: ['94-93=1'] Exploring Operation: 14-1=13, Resulting Numbers: [95, 13] Generated Node #0,2,0: 66:[95, 13] Operation: 14-1=13 Exploring Operation: 95-14=81, Resulting Numbers: [1, 81] Generated Node #0,2,1: 66:[1, 81] Operation: 95-14=81 Exploring Operation: 95-1=94, Resulting Numbers: [14, 94] Generated Node #0,2,2: 66:[14, 94] Operation: 95-1=94 Exploring Operation: 95*1=95, Resulting Numbers: [14, 95] Generated Node #0,2,3: 66:[14, 95] Operation: 95*1=95 Exploring Operation: 95/1=95, Resulting Numbers: [14, 95] Generated Node #0,2,4: 66:[14, 95] Operation: 95/1=95 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 66:[1, 81], Operations: ['94-93=1', '95-14=81'] Exploring Operation: 1+81=82, Resulting Numbers: [82] 82,66 unequal: No Solution Exploring Operation: 1*81=81, Resulting Numbers: [81] 81,66 unequal: No Solution Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,66 unequal: No Solution Exploring Operation: 81/1=81, Resulting Numbers: [81] 81,66 unequal: No Solution No 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: 66:[95, 13], Operations: ['94-93=1', '14-1=13'] Exploring Operation: 95-13=82, Resulting Numbers: [82] 82,66 unequal: No Solution Exploring Operation: 95+13=108, Resulting Numbers: [108] 108,66 unequal: No Solution Exploring Operation: 95*13=1235, Resulting Numbers: [1235] 1235,66 unequal: No Solution No 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: 66:[14, 94], Operations: ['94-93=1', '95-1=94'] Exploring Operation: 94-14=80, Resulting Numbers: [80] 80,66 unequal: No Solution Exploring Operation: 14*94=1316, Resulting Numbers: [1316] 1316,66 unequal: No Solution Exploring Operation: 14+94=108, Resulting Numbers: [108] 108,66 unequal: No Solution No 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: 66:[14, 95], Operations: ['94-93=1', '95*1=95'] Exploring Operation: 14*95=1330, Resulting Numbers: [1330] 1330,66 unequal: No Solution Exploring Operation: 14+95=109, Resulting Numbers: [109] 109,66 unequal: No Solution Exploring Operation: 95-14=81, Resulting Numbers: [81] 81,66 unequal: No Solution No 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: 66:[14, 95], Operations: ['94-93=1', '95/1=95'] Exploring Operation: 14+95=109, Resulting Numbers: [109] 109,66 unequal: No Solution Exploring Operation: 14*95=1330, Resulting Numbers: [1330] 1330,66 unequal: No Solution Exploring Operation: 95-14=81, Resulting Numbers: [81] 81,66 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: 66:[95, 94, 79], Operations: ['93-14=79'] Exploring Operation: 95+94=189, Resulting Numbers: [79, 189] Generated Node #0,1,0: 66:[79, 189] Operation: 95+94=189 Exploring Operation: 94-79=15, Resulting Numbers: [95, 15] Generated Node #0,1,1: 66:[95, 15] Operation: 94-79=15 Exploring Operation: 95-79=16, Resulting Numbers: [94, 16] Generated Node #0,1,2: 66:[94, 16] Operation: 95-79=16 Exploring Operation: 95-94=1, Resulting Numbers: [79, 1] Generated Node #0,1,3: 66:[79, 1] Operation: 95-94=1 Exploring Operation: 95+79=174, Resulting Numbers: [94, 174] Generated Node #0,1,4: 66:[94, 174] Operation: 95+79=174 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 66:[79, 1], Operations: ['93-14=79', '95-94=1'] Exploring Operation: 79*1=79, Resulting Numbers: [79] 79,66 unequal: No Solution Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,66 unequal: No Solution Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,66 unequal: No Solution Exploring Operation: 79+1=80, Resulting Numbers: [80] 80,66 unequal: No Solution No 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: 66:[95, 15], Operations: ['93-14=79', '94-79=15'] Exploring Operation: 95-15=80, Resulting Numbers: [80] 80,66 unequal: No Solution Exploring Operation: 95+15=110, Resulting Numbers: [110] 110,66 unequal: No Solution Exploring Operation: 95*15=1425, Resulting Numbers: [1425] 1425,66 unequal: No Solution No 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: 66:[94, 16], Operations: ['93-14=79', '95-79=16'] Exploring Operation: 94+16=110, Resulting Numbers: [110] 110,66 unequal: No Solution Exploring Operation: 94*16=1504, Resulting Numbers: [1504] 1504,66 unequal: No Solution Exploring Operation: 94-16=78, Resulting Numbers: [78] 78,66 unequal: No Solution No 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: 66:[79, 189], Operations: ['93-14=79', '95+94=189'] Exploring Operation: 79*189=14931, Resulting Numbers: [14931] 14931,66 unequal: No Solution Exploring Operation: 79+189=268, Resulting Numbers: [268] 268,66 unequal: No Solution Exploring Operation: 189-79=110, Resulting Numbers: [110] 110,66 unequal: No Solution No 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: 66:[94, 174], Operations: ['93-14=79', '95+79=174'] Exploring Operation: 94*174=16356, Resulting Numbers: [16356] 16356,66 unequal: No Solution Exploring Operation: 174-94=80, Resulting Numbers: [80] 80,66 unequal: No Solution Exploring Operation: 94+174=268, Resulting Numbers: [268] 268,66 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: 66:[93, 94, 81], Operations: ['95-14=81'] Exploring Operation: 93+94=187, Resulting Numbers: [81, 187] Generated Node #0,3,0: 66:[81, 187] Operation: 93+94=187 Exploring Operation: 94-81=13, Resulting Numbers: [93, 13] Generated Node #0,3,1: 66:[93, 13] Operation: 94-81=13 Exploring Operation: 93+81=174, Resulting Numbers: [94, 174] Generated Node #0,3,2: 66:[94, 174] Operation: 93+81=174 Exploring Operation: 94-93=1, Resulting Numbers: [81, 1] Generated Node #0,3,3: 66:[81, 1] Operation: 94-93=1 Exploring Operation: 93-81=12, Resulting Numbers: [94, 12] Generated Node #0,3,4: 66:[94, 12] Operation: 93-81=12 Moving to Node #0,3,3 Current State: 66:[81, 1], Operations: ['95-14=81', '94-93=1'] Exploring Operation: 81+1=82, Resulting Numbers: [82] 82,66 unequal: No Solution Exploring Operation: 81/1=81, Resulting Numbers: [81] 81,66 unequal: No Solution Exploring Operation: 81*1=81, Resulting Numbers: [81] 81,66 unequal: No Solution Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,66 unequal: No Solution Moving to Node #0,3,4 Current State: 66:[94, 12], Operations: ['95-14=81', '93-81=12'] Exploring Operation: 94-12=82, Resulting Numbers: [82] 82,66 unequal: No Solution Exploring Operation: 94*12=1128, Resulting Numbers: [1128] 1128,66 unequal: No Solution Exploring Operation: 94+12=106, Resulting Numbers: [106] 106,66 unequal: No Solution Moving to Node #0,3,1 Current State: 66:[93, 13], Operations: ['95-14=81', '94-81=13'] Exploring Operation: 93+13=106, Resulting Numbers: [106] 106,66 unequal: No Solution Exploring Operation: 93*13=1209, Resulting Numbers: [1209] 1209,66 unequal: No Solution Exploring Operation: 93-13=80, Resulting Numbers: [80] 80,66 unequal: No Solution Moving to Node #0,3,0 Current State: 66:[81, 187], Operations: ['95-14=81', '93+94=187'] Exploring Operation: 81*187=15147, Resulting Numbers: [15147] 15147,66 unequal: No Solution Exploring Operation: 187-81=106, Resulting Numbers: [106] 106,66 unequal: No Solution Exploring Operation: 81+187=268, Resulting Numbers: [268] 268,66 unequal: No Solution Moving to Node #0,3,2 Current State: 66:[94, 174], Operations: ['95-14=81', '93+81=174'] Exploring Operation: 174-94=80, Resulting Numbers: [80] 80,66 unequal: No Solution Exploring Operation: 94+174=268, Resulting Numbers: [268] 268,66 unequal: No Solution Exploring Operation: 94*174=16356, Resulting Numbers: [16356] 16356,66 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
[ 19, 3, 29, 70 ]
19
[ "19+3=22", "70-29=41", "41-22=19" ]
Current State: 19:[19, 3, 29, 70], Operations: [] Exploring Operation: 19+3=22, Resulting Numbers: [29, 70, 22] Generated Node #2: [29, 70, 22] from Operation: 19+3=22 Current State: 19:[29, 70, 22], Operations: ['19+3=22'] Exploring Operation: 70-29=41, Resulting Numbers: [22, 41] Generated Node #3: [22, 41] from Operation: 70-29=41 Current State: 19:[22, 41], Operations: ['19+3=22', '70-29=41'] Exploring Operation: 41-22=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[19, 3, 29, 70], Operations: [] Exploring Operation: 70-29=41, Resulting Numbers: [19, 3, 41] Generated Node #0,0: 19:[19, 3, 41] Operation: 70-29=41 Moving to Node #0,0 Current State: 19:[19, 3, 41], Operations: ['70-29=41'] Exploring Operation: 41-19=22, Resulting Numbers: [3, 22] Generated Node #0,0,0: 19:[3, 22] Operation: 41-19=22 Moving to Node #0,0,0 Current State: 19:[3, 22], Operations: ['70-29=41', '41-19=22'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[19, 3, 29, 70], Operations: [] Exploring Operation: 70-29=41, Resulting Numbers: [19, 3, 41] Generated Node #0,0: 19:[19, 3, 41] Operation: 70-29=41 Moving to Node #0,0 Current State: 19:[19, 3, 41], Operations: ['70-29=41'] Exploring Operation: 41-19=22, Resulting Numbers: [3, 22] Generated Node #0,0,0: 19:[3, 22] Operation: 41-19=22 Moving to Node #0,0,0 Current State: 19:[3, 22], Operations: ['70-29=41', '41-19=22'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 8, 19, 76, 23 ]
88
[ "19-8=11", "76+23=99", "99-11=88" ]
Current State: 88:[8, 19, 76, 23], Operations: [] Exploring Operation: 19-8=11, Resulting Numbers: [76, 23, 11] Generated Node #2: [76, 23, 11] from Operation: 19-8=11 Current State: 88:[76, 23, 11], Operations: ['19-8=11'] Exploring Operation: 76+23=99, Resulting Numbers: [11, 99] Generated Node #3: [11, 99] from Operation: 76+23=99 Current State: 88:[11, 99], Operations: ['19-8=11', '76+23=99'] Exploring Operation: 99-11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[8, 19, 76, 23], Operations: [] Exploring Operation: 23-19=4, Resulting Numbers: [8, 76, 4] Generated Node #0,0: 88:[8, 76, 4] Operation: 23-19=4 Exploring Operation: 8+76=84, Resulting Numbers: [19, 23, 84] Generated Node #0,1: 88:[19, 23, 84] Operation: 8+76=84 Exploring Operation: 19+76=95, Resulting Numbers: [8, 23, 95] Generated Node #0,2: 88:[8, 23, 95] Operation: 19+76=95 Exploring Operation: 76/19=4, Resulting Numbers: [8, 23, 4] Generated Node #0,3: 88:[8, 23, 4] Operation: 76/19=4 Moving to Node #0,3 Current State: 88:[8, 23, 4], Operations: ['76/19=4'] Exploring Operation: 8/4=2, Resulting Numbers: [23, 2] Generated Node #0,3,0: 88:[23, 2] Operation: 8/4=2 Exploring Operation: 8+4=12, Resulting Numbers: [23, 12] Generated Node #0,3,1: 88:[23, 12] Operation: 8+4=12 Exploring Operation: 23-4=19, Resulting Numbers: [8, 19] Generated Node #0,3,2: 88:[8, 19] Operation: 23-4=19 Exploring Operation: 8-4=4, Resulting Numbers: [23, 4] Generated Node #0,3,3: 88:[23, 4] Operation: 8-4=4 Moving to Node #0,2 Current State: 88:[8, 23, 95], Operations: ['19+76=95'] Exploring Operation: 8+23=31, Resulting Numbers: [95, 31] Generated Node #0,2,0: 88:[95, 31] Operation: 8+23=31 Exploring Operation: 23-8=15, Resulting Numbers: [95, 15] Generated Node #0,2,1: 88:[95, 15] Operation: 23-8=15 Exploring Operation: 8+95=103, Resulting Numbers: [23, 103] Generated Node #0,2,2: 88:[23, 103] Operation: 8+95=103 Exploring Operation: 95-8=87, Resulting Numbers: [23, 87] Generated Node #0,2,3: 88:[23, 87] Operation: 95-8=87 Moving to Node #0,1 Current State: 88:[19, 23, 84], Operations: ['8+76=84'] Exploring Operation: 84-23=61, Resulting Numbers: [19, 61] Generated Node #0,1,0: 88:[19, 61] Operation: 84-23=61 Exploring Operation: 19+23=42, Resulting Numbers: [84, 42] Generated Node #0,1,1: 88:[84, 42] Operation: 19+23=42 Exploring Operation: 23-19=4, Resulting Numbers: [84, 4] Generated Node #0,1,2: 88:[84, 4] Operation: 23-19=4 Exploring Operation: 19+84=103, Resulting Numbers: [23, 103] Generated Node #0,1,3: 88:[23, 103] Operation: 19+84=103 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 88:[84, 4], Operations: ['8+76=84', '23-19=4'] Exploring Operation: 84/4=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,88 unequal: No Solution Exploring Operation: 84+4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[8, 19, 76, 23], Operations: [] Exploring Operation: 8+76=84, Resulting Numbers: [19, 23, 84] Generated Node #0,1: 88:[19, 23, 84] Operation: 8+76=84 Moving to Node #0,1 Current State: 88:[19, 23, 84], Operations: ['8+76=84'] Exploring Operation: 23-19=4, Resulting Numbers: [84, 4] Generated Node #0,1,2: 88:[84, 4] Operation: 23-19=4 Moving to Node #0,1,2 Current State: 88:[84, 4], Operations: ['8+76=84', '23-19=4'] Exploring Operation: 84+4=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
sum_heuristic
[ 52, 67, 89, 75 ]
25
[ "52*75=3900", "67+89=156", "3900/156=25" ]
Current State: 25:[52, 67, 89, 75], Operations: [] Exploring Operation: 52*75=3900, Resulting Numbers: [67, 89, 3900] Generated Node #2: [67, 89, 3900] from Operation: 52*75=3900 Current State: 25:[67, 89, 3900], Operations: ['52*75=3900'] Exploring Operation: 67+89=156, Resulting Numbers: [3900, 156] Generated Node #3: [3900, 156] from Operation: 67+89=156 Current State: 25:[3900, 156], Operations: ['52*75=3900', '67+89=156'] Exploring Operation: 3900/156=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[52, 67, 89, 75], Operations: [] Exploring Operation: 89-75=14, Resulting Numbers: [52, 67, 14] Generated Node #0,0: 25:[52, 67, 14] Operation: 89-75=14 Moving to Node #0,0 Current State: 25:[52, 67, 14], Operations: ['89-75=14'] Exploring Operation: 67-52=15, Resulting Numbers: [14, 15] Generated Node #0,0,0: 25:[14, 15] Operation: 67-52=15 Moving to Node #0,0,0 Current State: 25:[14, 15], Operations: ['89-75=14', '67-52=15'] Exploring Operation: 14+15=29, Resulting Numbers: [29] 29,25 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 42, 38, 75, 92 ]
87
[ "42+38=80", "75+92=167", "167-80=87" ]
Current State: 87:[42, 38, 75, 92], Operations: [] Exploring Operation: 42+38=80, Resulting Numbers: [75, 92, 80] Generated Node #2: [75, 92, 80] from Operation: 42+38=80 Current State: 87:[75, 92, 80], Operations: ['42+38=80'] Exploring Operation: 75+92=167, Resulting Numbers: [80, 167] Generated Node #3: [80, 167] from Operation: 75+92=167 Current State: 87:[80, 167], Operations: ['42+38=80', '75+92=167'] Exploring Operation: 167-80=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[42, 38, 75, 92], Operations: [] Exploring Operation: 42-38=4, Resulting Numbers: [75, 92, 4] Generated Node #0,0: 87:[75, 92, 4] Operation: 42-38=4 Exploring Operation: 75-42=33, Resulting Numbers: [38, 92, 33] Generated Node #0,1: 87:[38, 92, 33] Operation: 75-42=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[75, 92, 4], Operations: ['42-38=4'] Exploring Operation: 92-75=17, Resulting Numbers: [4, 17] Generated Node #0,0,0: 87:[4, 17] Operation: 92-75=17 Exploring Operation: 75+4=79, Resulting Numbers: [92, 79] Generated Node #0,0,1: 87:[92, 79] Operation: 75+4=79 Moving to Node #0,0,0 Current State: 87:[4, 17], Operations: ['42-38=4', '92-75=17'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,87 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,87 unequal: No Solution Moving to Node #0,0,1 Current State: 87:[92, 79], Operations: ['42-38=4', '75+4=79'] Exploring Operation: 92+79=171, Resulting Numbers: [171] 171,87 unequal: No Solution Exploring Operation: 92-79=13, Resulting Numbers: [13] 13,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[38, 92, 33], Operations: ['75-42=33'] Exploring Operation: 38+33=71, Resulting Numbers: [92, 71] Generated Node #0,1,0: 87:[92, 71] Operation: 38+33=71 Exploring Operation: 38-33=5, Resulting Numbers: [92, 5] Generated Node #0,1,1: 87:[92, 5] Operation: 38-33=5 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 87:[92, 5], Operations: ['75-42=33', '38-33=5'] Exploring Operation: 92+5=97, Resulting Numbers: [97] 97,87 unequal: No Solution Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[42, 38, 75, 92], Operations: [] Exploring Operation: 75-42=33, Resulting Numbers: [38, 92, 33] Generated Node #0,1: 87:[38, 92, 33] Operation: 75-42=33 Moving to Node #0,1 Current State: 87:[38, 92, 33], Operations: ['75-42=33'] Exploring Operation: 38-33=5, Resulting Numbers: [92, 5] Generated Node #0,1,1: 87:[92, 5] Operation: 38-33=5 Moving to Node #0,1,1 Current State: 87:[92, 5], Operations: ['75-42=33', '38-33=5'] Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 87, 86, 76, 13 ]
57
[ "87-76=11", "13*11=143", "143-86=57" ]
Current State: 57:[87, 86, 76, 13], Operations: [] Exploring Operation: 87-76=11, Resulting Numbers: [86, 13, 11] Generated Node #2: [86, 13, 11] from Operation: 87-76=11 Current State: 57:[86, 13, 11], Operations: ['87-76=11'] Exploring Operation: 13*11=143, Resulting Numbers: [86, 143] Generated Node #3: [86, 143] from Operation: 13*11=143 Current State: 57:[86, 143], Operations: ['87-76=11', '13*11=143'] Exploring Operation: 143-86=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[87, 86, 76, 13], Operations: [] Exploring Operation: 87-76=11, Resulting Numbers: [86, 13, 11] Generated Node #0,0: 57:[86, 13, 11] Operation: 87-76=11 Exploring Operation: 87-86=1, Resulting Numbers: [76, 13, 1] Generated Node #0,1: 57:[76, 13, 1] Operation: 87-86=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[76, 13, 1], Operations: ['87-86=1'] Exploring Operation: 76-13=63, Resulting Numbers: [1, 63] Generated Node #0,1,0: 57:[1, 63] Operation: 76-13=63 Exploring Operation: 76-1=75, Resulting Numbers: [13, 75] Generated Node #0,1,1: 57:[13, 75] Operation: 76-1=75 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 57:[1, 63], Operations: ['87-86=1', '76-13=63'] Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,57 unequal: No Solution Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 57:[13, 75], Operations: ['87-86=1', '76-1=75'] Exploring Operation: 13+75=88, Resulting Numbers: [88] 88,57 unequal: No Solution Exploring Operation: 75-13=62, Resulting Numbers: [62] 62,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[86, 13, 11], Operations: ['87-76=11'] Exploring Operation: 86-13=73, Resulting Numbers: [11, 73] Generated Node #0,0,0: 57:[11, 73] Operation: 86-13=73 Exploring Operation: 86-11=75, Resulting Numbers: [13, 75] Generated Node #0,0,1: 57:[13, 75] Operation: 86-11=75 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 57:[11, 73], Operations: ['87-76=11', '86-13=73'] Exploring Operation: 73-11=62, Resulting Numbers: [62] 62,57 unequal: No Solution Exploring Operation: 11+73=84, Resulting Numbers: [84] 84,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 57:[13, 75], Operations: ['87-76=11', '86-11=75'] Exploring Operation: 75-13=62, Resulting Numbers: [62] 62,57 unequal: No Solution Exploring Operation: 13+75=88, Resulting Numbers: [88] 88,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 32, 47, 16, 48 ]
52
[ "32+48=80", "80/16=5", "47+5=52" ]
Current State: 52:[32, 47, 16, 48], Operations: [] Exploring Operation: 32+48=80, Resulting Numbers: [47, 16, 80] Generated Node #2: [47, 16, 80] from Operation: 32+48=80 Current State: 52:[47, 16, 80], Operations: ['32+48=80'] Exploring Operation: 80/16=5, Resulting Numbers: [47, 5] Generated Node #3: [47, 5] from Operation: 80/16=5 Current State: 52:[47, 5], Operations: ['32+48=80', '80/16=5'] Exploring Operation: 47+5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[32, 47, 16, 48], Operations: [] Exploring Operation: 47-32=15, Resulting Numbers: [16, 48, 15] Generated Node #0,0: 52:[16, 48, 15] Operation: 47-32=15 Exploring Operation: 32/16=2, Resulting Numbers: [47, 48, 2] Generated Node #0,1: 52:[47, 48, 2] Operation: 32/16=2 Exploring Operation: 48-47=1, Resulting Numbers: [32, 16, 1] Generated Node #0,2: 52:[32, 16, 1] Operation: 48-47=1 Moving to Node #0,0 Current State: 52:[16, 48, 15], Operations: ['47-32=15'] Exploring Operation: 48-16=32, Resulting Numbers: [15, 32] Generated Node #0,0,0: 52:[15, 32] Operation: 48-16=32 Exploring Operation: 16-15=1, Resulting Numbers: [48, 1] Generated Node #0,0,1: 52:[48, 1] Operation: 16-15=1 Exploring Operation: 48/16=3, Resulting Numbers: [15, 3] Generated Node #0,0,2: 52:[15, 3] Operation: 48/16=3 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 52:[15, 3], Operations: ['47-32=15', '48/16=3'] Exploring Operation: 15+3=18, Resulting Numbers: [18] 18,52 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,52 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 #0,0,1 Current State: 52:[48, 1], Operations: ['47-32=15', '16-15=1'] Exploring Operation: 48+1=49, Resulting Numbers: [49] 49,52 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,52 unequal: No Solution Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,52 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:[15, 32], Operations: ['47-32=15', '48-16=32'] Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,52 unequal: No Solution Exploring Operation: 15*32=480, Resulting Numbers: [480] 480,52 unequal: No Solution Exploring Operation: 15+32=47, Resulting Numbers: [47] 47,52 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: 52:[47, 48, 2], Operations: ['32/16=2'] Exploring Operation: 48+2=50, Resulting Numbers: [47, 50] Generated Node #0,1,0: 52:[47, 50] Operation: 48+2=50 Exploring Operation: 48-47=1, Resulting Numbers: [2, 1] Generated Node #0,1,1: 52:[2, 1] Operation: 48-47=1 Exploring Operation: 47+2=49, Resulting Numbers: [48, 49] Generated Node #0,1,2: 52:[48, 49] Operation: 47+2=49 Moving to Node #0,2 Current State: 52:[32, 16, 1], Operations: ['48-47=1'] Exploring Operation: 32+16=48, Resulting Numbers: [1, 48] Generated Node #0,2,0: 52:[1, 48] Operation: 32+16=48 Exploring Operation: 32-16=16, Resulting Numbers: [1, 16] Generated Node #0,2,1: 52:[1, 16] Operation: 32-16=16 Exploring Operation: 32/16=2, Resulting Numbers: [1, 2] Generated Node #0,2,2: 52:[1, 2] Operation: 32/16=2 Moving to Node #0,1,1 Current State: 52:[2, 1], Operations: ['32/16=2', '48-47=1'] Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[1, 2], Operations: ['48-47=1', '32/16=2'] Exploring Operation: 1*2=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[1, 16], Operations: ['48-47=1', '32-16=16'] Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[1, 48], Operations: ['48-47=1', '32+16=48'] Exploring Operation: 1*48=48, Resulting Numbers: [48] 48,52 unequal: No Solution Exploring Operation: 1+48=49, Resulting Numbers: [49] 49,52 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[47, 50], Operations: ['32/16=2', '48+2=50'] Exploring Operation: 50-47=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 47+50=97, Resulting Numbers: [97] 97,52 unequal: No Solution Exploring Operation: 47*50=2350, Resulting Numbers: [2350] 2350,52 unequal: No Solution Moving to Node #0,1,2 Current State: 52:[48, 49], Operations: ['32/16=2', '47+2=49'] Exploring Operation: 49-48=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 48+49=97, Resulting Numbers: [97] 97,52 unequal: No Solution Exploring Operation: 48*49=2352, Resulting Numbers: [2352] 2352,52 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 5, 43, 9, 2 ]
15
[ "5+43=48", "48/2=24", "24-9=15" ]
Current State: 15:[5, 43, 9, 2], Operations: [] Exploring Operation: 5+43=48, Resulting Numbers: [9, 2, 48] Generated Node #2: [9, 2, 48] from Operation: 5+43=48 Current State: 15:[9, 2, 48], Operations: ['5+43=48'] Exploring Operation: 48/2=24, Resulting Numbers: [9, 24] Generated Node #3: [9, 24] from Operation: 48/2=24 Current State: 15:[9, 24], Operations: ['5+43=48', '48/2=24'] Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[5, 43, 9, 2], Operations: [] Exploring Operation: 5+9=14, Resulting Numbers: [43, 2, 14] Generated Node #0,0: 15:[43, 2, 14] Operation: 5+9=14 Exploring Operation: 43-9=34, Resulting Numbers: [5, 2, 34] Generated Node #0,1: 15:[5, 2, 34] Operation: 43-9=34 Exploring Operation: 43-5=38, Resulting Numbers: [9, 2, 38] Generated Node #0,2: 15:[9, 2, 38] Operation: 43-5=38 Exploring Operation: 9-5=4, Resulting Numbers: [43, 2, 4] Generated Node #0,3: 15:[43, 2, 4] Operation: 9-5=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[5, 2, 34], Operations: ['43-9=34'] Exploring Operation: 34/2=17, Resulting Numbers: [5, 17] Generated Node #0,1,0: 15:[5, 17] Operation: 34/2=17 Exploring Operation: 34-5=29, Resulting Numbers: [2, 29] Generated Node #0,1,1: 15:[2, 29] Operation: 34-5=29 Exploring Operation: 5-2=3, Resulting Numbers: [34, 3] Generated Node #0,1,2: 15:[34, 3] Operation: 5-2=3 Exploring Operation: 34-2=32, Resulting Numbers: [5, 32] Generated Node #0,1,3: 15:[5, 32] Operation: 34-2=32 Moving to Node #0,1,0 Current State: 15:[5, 17], Operations: ['43-9=34', '34/2=17'] Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,15 unequal: No Solution Exploring Operation: 5*17=85, Resulting Numbers: [85] 85,15 unequal: No Solution Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[2, 29], Operations: ['43-9=34', '34-5=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,15 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,15 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,15 unequal: No Solution Moving to Node #0,1,3 Current State: 15:[5, 32], Operations: ['43-9=34', '34-2=32'] Exploring Operation: 5*32=160, Resulting Numbers: [160] 160,15 unequal: No Solution Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,15 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,15 unequal: No Solution Moving to Node #0,1,2 Current State: 15:[34, 3], Operations: ['43-9=34', '5-2=3'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,15 unequal: No Solution Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,15 unequal: No Solution Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 15:[9, 2, 38], Operations: ['43-5=38'] Exploring Operation: 38-2=36, Resulting Numbers: [9, 36] Generated Node #0,2,0: 15:[9, 36] Operation: 38-2=36 Exploring Operation: 38-9=29, Resulting Numbers: [2, 29] Generated Node #0,2,1: 15:[2, 29] Operation: 38-9=29 Exploring Operation: 9-2=7, Resulting Numbers: [38, 7] Generated Node #0,2,2: 15:[38, 7] Operation: 9-2=7 Exploring Operation: 38/2=19, Resulting Numbers: [9, 19] Generated Node #0,2,3: 15:[9, 19] Operation: 38/2=19 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 15:[9, 19], Operations: ['43-5=38', '38/2=19'] Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,15 unequal: No Solution Exploring Operation: 9*19=171, Resulting Numbers: [171] 171,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 15:[2, 29], Operations: ['43-5=38', '38-9=29'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,15 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 15:[9, 36], Operations: ['43-5=38', '38-2=36'] Exploring Operation: 9+36=45, Resulting Numbers: [45] 45,15 unequal: No Solution Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 9*36=324, Resulting Numbers: [324] 324,15 unequal: No Solution Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 15:[38, 7], Operations: ['43-5=38', '9-2=7'] Exploring Operation: 38*7=266, Resulting Numbers: [266] 266,15 unequal: No Solution Exploring Operation: 38+7=45, Resulting Numbers: [45] 45,15 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[43, 2, 14], Operations: ['5+9=14'] Exploring Operation: 14/2=7, Resulting Numbers: [43, 7] Generated Node #0,0,0: 15:[43, 7] Operation: 14/2=7 Exploring Operation: 2+14=16, Resulting Numbers: [43, 16] Generated Node #0,0,1: 15:[43, 16] Operation: 2+14=16 Exploring Operation: 43-14=29, Resulting Numbers: [2, 29] Generated Node #0,0,2: 15:[2, 29] Operation: 43-14=29 Exploring Operation: 43-2=41, Resulting Numbers: [14, 41] Generated Node #0,0,3: 15:[14, 41] Operation: 43-2=41 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 15:[2, 29], Operations: ['5+9=14', '43-14=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,15 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 15:[14, 41], Operations: ['5+9=14', '43-2=41'] Exploring Operation: 14*41=574, Resulting Numbers: [574] 574,15 unequal: No Solution Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 14+41=55, Resulting Numbers: [55] 55,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 15:[43, 16], Operations: ['5+9=14', '2+14=16'] Exploring Operation: 43*16=688, Resulting Numbers: [688] 688,15 unequal: No Solution Exploring Operation: 43+16=59, Resulting Numbers: [59] 59,15 unequal: No Solution Exploring Operation: 43-16=27, Resulting Numbers: [27] 27,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 15:[43, 7], Operations: ['5+9=14', '14/2=7'] Exploring Operation: 43*7=301, Resulting Numbers: [301] 301,15 unequal: No Solution Exploring Operation: 43+7=50, Resulting Numbers: [50] 50,15 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 15:[43, 2, 4], Operations: ['9-5=4'] Exploring Operation: 4-2=2, Resulting Numbers: [43, 2] Generated Node #0,3,0: 15:[43, 2] Operation: 4-2=2 Exploring Operation: 2+4=6, Resulting Numbers: [43, 6] Generated Node #0,3,1: 15:[43, 6] Operation: 2+4=6 Exploring Operation: 43-4=39, Resulting Numbers: [2, 39] Generated Node #0,3,2: 15:[2, 39] Operation: 43-4=39 Exploring Operation: 43-2=41, Resulting Numbers: [4, 41] Generated Node #0,3,3: 15:[4, 41] Operation: 43-2=41 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 15:[2, 39], Operations: ['9-5=4', '43-4=39'] Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,15 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,15 unequal: No Solution Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 15:[4, 41], Operations: ['9-5=4', '43-2=41'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,15 unequal: No Solution Exploring Operation: 4+41=45, Resulting Numbers: [45] 45,15 unequal: No Solution Exploring Operation: 4*41=164, Resulting Numbers: [164] 164,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 15:[43, 2], Operations: ['9-5=4', '4-2=2'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,15 unequal: No Solution Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,15 unequal: No Solution Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 15:[43, 6], Operations: ['9-5=4', '2+4=6'] Exploring Operation: 43+6=49, Resulting Numbers: [49] 49,15 unequal: No Solution Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,15 unequal: No Solution Exploring Operation: 43*6=258, Resulting Numbers: [258] 258,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 64, 79, 35, 59 ]
49
[ "64+79=143", "35+59=94", "143-94=49" ]
Current State: 49:[64, 79, 35, 59], Operations: [] Exploring Operation: 64+79=143, Resulting Numbers: [35, 59, 143] Generated Node #2: [35, 59, 143] from Operation: 64+79=143 Current State: 49:[35, 59, 143], Operations: ['64+79=143'] Exploring Operation: 35+59=94, Resulting Numbers: [143, 94] Generated Node #3: [143, 94] from Operation: 35+59=94 Current State: 49:[143, 94], Operations: ['64+79=143', '35+59=94'] Exploring Operation: 143-94=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[64, 79, 35, 59], Operations: [] Exploring Operation: 79-64=15, Resulting Numbers: [35, 59, 15] Generated Node #0,0: 49:[35, 59, 15] Operation: 79-64=15 Exploring Operation: 79-35=44, Resulting Numbers: [64, 59, 44] Generated Node #0,1: 49:[64, 59, 44] Operation: 79-35=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[64, 59, 44], Operations: ['79-35=44'] Exploring Operation: 64-44=20, Resulting Numbers: [59, 20] Generated Node #0,1,0: 49:[59, 20] Operation: 64-44=20 Exploring Operation: 64-59=5, Resulting Numbers: [44, 5] Generated Node #0,1,1: 49:[44, 5] Operation: 64-59=5 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 49:[44, 5], Operations: ['79-35=44', '64-59=5'] Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[64, 79, 35, 59], Operations: [] Exploring Operation: 79-35=44, Resulting Numbers: [64, 59, 44] Generated Node #0,1: 49:[64, 59, 44] Operation: 79-35=44 Moving to Node #0,1 Current State: 49:[64, 59, 44], Operations: ['79-35=44'] Exploring Operation: 64-59=5, Resulting Numbers: [44, 5] Generated Node #0,1,1: 49:[44, 5] Operation: 64-59=5 Moving to Node #0,1,1 Current State: 49:[44, 5], Operations: ['79-35=44', '64-59=5'] Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 29, 63, 30, 40 ]
82
[ "29+63=92", "40-30=10", "92-10=82" ]
Current State: 82:[29, 63, 30, 40], Operations: [] Exploring Operation: 29+63=92, Resulting Numbers: [30, 40, 92] Generated Node #2: [30, 40, 92] from Operation: 29+63=92 Current State: 82:[30, 40, 92], Operations: ['29+63=92'] Exploring Operation: 40-30=10, Resulting Numbers: [92, 10] Generated Node #3: [92, 10] from Operation: 40-30=10 Current State: 82:[92, 10], Operations: ['29+63=92', '40-30=10'] Exploring Operation: 92-10=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[29, 63, 30, 40], Operations: [] Exploring Operation: 63-29=34, Resulting Numbers: [30, 40, 34] Generated Node #0,0: 82:[30, 40, 34] Operation: 63-29=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[30, 40, 34], Operations: ['63-29=34'] Exploring Operation: 34-30=4, Resulting Numbers: [40, 4] Generated Node #0,0,0: 82:[40, 4] Operation: 34-30=4 Moving to Node #0,0,0 Current State: 82:[40, 4], Operations: ['63-29=34', '34-30=4'] Exploring Operation: 40+4=44, Resulting Numbers: [44] 44,82 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
[ 5, 45, 31, 98 ]
15
[ "98-5=93", "45*31=1395", "1395/93=15" ]
Current State: 15:[5, 45, 31, 98], Operations: [] Exploring Operation: 98-5=93, Resulting Numbers: [45, 31, 93] Generated Node #2: [45, 31, 93] from Operation: 98-5=93 Current State: 15:[45, 31, 93], Operations: ['98-5=93'] Exploring Operation: 45*31=1395, Resulting Numbers: [93, 1395] Generated Node #3: [93, 1395] from Operation: 45*31=1395 Current State: 15:[93, 1395], Operations: ['98-5=93', '45*31=1395'] Exploring Operation: 1395/93=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[5, 45, 31, 98], Operations: [] Exploring Operation: 45-31=14, Resulting Numbers: [5, 98, 14] Generated Node #0,0: 15:[5, 98, 14] Operation: 45-31=14 Exploring Operation: 98-31=67, Resulting Numbers: [5, 45, 67] Generated Node #0,1: 15:[5, 45, 67] Operation: 98-31=67 Exploring Operation: 98-45=53, Resulting Numbers: [5, 31, 53] Generated Node #0,2: 15:[5, 31, 53] Operation: 98-45=53 Moving to Node #0,2 Current State: 15:[5, 31, 53], Operations: ['98-45=53'] Exploring Operation: 31-5=26, Resulting Numbers: [53, 26] Generated Node #0,2,0: 15:[53, 26] Operation: 31-5=26 Exploring Operation: 53-31=22, Resulting Numbers: [5, 22] Generated Node #0,2,1: 15:[5, 22] Operation: 53-31=22 Exploring Operation: 53-5=48, Resulting Numbers: [31, 48] Generated Node #0,2,2: 15:[31, 48] Operation: 53-5=48 Moving to Node #0,1 Current State: 15:[5, 45, 67], Operations: ['98-31=67'] Exploring Operation: 45-5=40, Resulting Numbers: [67, 40] Generated Node #0,1,0: 15:[67, 40] Operation: 45-5=40 Exploring Operation: 45/5=9, Resulting Numbers: [67, 9] Generated Node #0,1,1: 15:[67, 9] Operation: 45/5=9 Exploring Operation: 67-45=22, Resulting Numbers: [5, 22] Generated Node #0,1,2: 15:[5, 22] Operation: 67-45=22 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 15:[5, 22], Operations: ['98-31=67', '67-45=22'] Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,15 unequal: No Solution Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 15:[67, 9], Operations: ['98-31=67', '45/5=9'] Exploring Operation: 67+9=76, Resulting Numbers: [76] 76,15 unequal: No Solution Exploring Operation: 67-9=58, Resulting Numbers: [58] 58,15 unequal: No Solution Exploring Operation: 67*9=603, Resulting Numbers: [603] 603,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 15:[67, 40], Operations: ['98-31=67', '45-5=40'] Exploring Operation: 67*40=2680, Resulting Numbers: [2680] 2680,15 unequal: No Solution Exploring Operation: 67+40=107, Resulting Numbers: [107] 107,15 unequal: No Solution Exploring Operation: 67-40=27, Resulting Numbers: [27] 27,15 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: 15:[5, 98, 14], Operations: ['45-31=14'] Exploring Operation: 98-5=93, Resulting Numbers: [14, 93] Generated Node #0,0,0: 15:[14, 93] Operation: 98-5=93 Exploring Operation: 98-14=84, Resulting Numbers: [5, 84] Generated Node #0,0,1: 15:[5, 84] Operation: 98-14=84 Exploring Operation: 98/14=7, Resulting Numbers: [5, 7] Generated Node #0,0,2: 15:[5, 7] Operation: 98/14=7 Moving to Node #0,0,2 Current State: 15:[5, 7], Operations: ['45-31=14', '98/14=7'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,15 unequal: No Solution Exploring Operation: 5+7=12, Resulting Numbers: [12] 12,15 unequal: No Solution Moving to Node #0,2,1 Current State: 15:[5, 22], Operations: ['98-45=53', '53-31=22'] Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,15 unequal: No Solution Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,15 unequal: No Solution Moving to Node #0,2,2 Current State: 15:[31, 48], Operations: ['98-45=53', '53-5=48'] Exploring Operation: 31*48=1488, Resulting Numbers: [1488] 1488,15 unequal: No Solution Exploring Operation: 31+48=79, Resulting Numbers: [79] 79,15 unequal: No Solution Exploring Operation: 48-31=17, Resulting Numbers: [17] 17,15 unequal: No Solution Moving to Node #0,2,0 Current State: 15:[53, 26], Operations: ['98-45=53', '31-5=26'] Exploring Operation: 53-26=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 53*26=1378, Resulting Numbers: [1378] 1378,15 unequal: No Solution Exploring Operation: 53+26=79, Resulting Numbers: [79] 79,15 unequal: No Solution Moving to Node #0,0,1 Current State: 15:[5, 84], Operations: ['45-31=14', '98-14=84'] Exploring Operation: 5+84=89, Resulting Numbers: [89] 89,15 unequal: No Solution Exploring Operation: 5*84=420, Resulting Numbers: [420] 420,15 unequal: No Solution Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,15 unequal: No Solution Moving to Node #0,0,0 Current State: 15:[14, 93], Operations: ['45-31=14', '98-5=93'] Exploring Operation: 93-14=79, Resulting Numbers: [79] 79,15 unequal: No Solution Exploring Operation: 14*93=1302, Resulting Numbers: [1302] 1302,15 unequal: No Solution Exploring Operation: 14+93=107, Resulting Numbers: [107] 107,15 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 44, 77, 11, 75 ]
53
[ "77-44=33", "11+75=86", "86-33=53" ]
Current State: 53:[44, 77, 11, 75], Operations: [] Exploring Operation: 77-44=33, Resulting Numbers: [11, 75, 33] Generated Node #2: [11, 75, 33] from Operation: 77-44=33 Current State: 53:[11, 75, 33], Operations: ['77-44=33'] Exploring Operation: 11+75=86, Resulting Numbers: [33, 86] Generated Node #3: [33, 86] from Operation: 11+75=86 Current State: 53:[33, 86], Operations: ['77-44=33', '11+75=86'] Exploring Operation: 86-33=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[44, 77, 11, 75], Operations: [] Exploring Operation: 44+11=55, Resulting Numbers: [77, 75, 55] Generated Node #0,0: 53:[77, 75, 55] Operation: 44+11=55 Exploring Operation: 77+11=88, Resulting Numbers: [44, 75, 88] Generated Node #0,1: 53:[44, 75, 88] Operation: 77+11=88 Exploring Operation: 75-11=64, Resulting Numbers: [44, 77, 64] Generated Node #0,2: 53:[44, 77, 64] Operation: 75-11=64 Exploring Operation: 44-11=33, Resulting Numbers: [77, 75, 33] Generated Node #0,3: 53:[77, 75, 33] Operation: 44-11=33 Exploring Operation: 77-11=66, Resulting Numbers: [44, 75, 66] Generated Node #0,4: 53:[44, 75, 66] Operation: 77-11=66 Start Sub Search at level 1: Moving to Node #0,2 Current State: 53:[44, 77, 64], Operations: ['75-11=64'] Exploring Operation: 64-44=20, Resulting Numbers: [77, 20] Generated Node #0,2,0: 53:[77, 20] Operation: 64-44=20 Exploring Operation: 44+64=108, Resulting Numbers: [77, 108] Generated Node #0,2,1: 53:[77, 108] Operation: 44+64=108 Exploring Operation: 44+77=121, Resulting Numbers: [64, 121] Generated Node #0,2,2: 53:[64, 121] Operation: 44+77=121 Exploring Operation: 77-64=13, Resulting Numbers: [44, 13] Generated Node #0,2,3: 53:[44, 13] Operation: 77-64=13 Exploring Operation: 77-44=33, Resulting Numbers: [64, 33] Generated Node #0,2,4: 53:[64, 33] Operation: 77-44=33 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 53:[64, 33], Operations: ['75-11=64', '77-44=33'] Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,53 unequal: No Solution Exploring Operation: 64*33=2112, Resulting Numbers: [2112] 2112,53 unequal: No Solution Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,53 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:[44, 13], Operations: ['75-11=64', '77-64=13'] Exploring Operation: 44*13=572, Resulting Numbers: [572] 572,53 unequal: No Solution Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,53 unequal: No Solution Exploring Operation: 44+13=57, Resulting Numbers: [57] 57,53 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:[77, 20], Operations: ['75-11=64', '64-44=20'] Exploring Operation: 77*20=1540, Resulting Numbers: [1540] 1540,53 unequal: No Solution Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,53 unequal: No Solution Exploring Operation: 77+20=97, Resulting Numbers: [97] 97,53 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 #0,2,1 Current State: 53:[77, 108], Operations: ['75-11=64', '44+64=108'] Exploring Operation: 77*108=8316, Resulting Numbers: [8316] 8316,53 unequal: No Solution Exploring Operation: 77+108=185, Resulting Numbers: [185] 185,53 unequal: No Solution Exploring Operation: 108-77=31, Resulting Numbers: [31] 31,53 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:[64, 121], Operations: ['75-11=64', '44+77=121'] Exploring Operation: 64+121=185, Resulting Numbers: [185] 185,53 unequal: No Solution Exploring Operation: 121-64=57, Resulting Numbers: [57] 57,53 unequal: No Solution Exploring Operation: 64*121=7744, Resulting Numbers: [7744] 7744,53 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 #0,4 Current State: 53:[44, 75, 66], Operations: ['77-11=66'] Exploring Operation: 44+75=119, Resulting Numbers: [66, 119] Generated Node #0,4,0: 53:[66, 119] Operation: 44+75=119 Exploring Operation: 66-44=22, Resulting Numbers: [75, 22] Generated Node #0,4,1: 53:[75, 22] Operation: 66-44=22 Exploring Operation: 44+66=110, Resulting Numbers: [75, 110] Generated Node #0,4,2: 53:[75, 110] Operation: 44+66=110 Exploring Operation: 75-66=9, Resulting Numbers: [44, 9] Generated Node #0,4,3: 53:[44, 9] Operation: 75-66=9 Exploring Operation: 75-44=31, Resulting Numbers: [66, 31] Generated Node #0,4,4: 53:[66, 31] Operation: 75-44=31 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 53:[66, 31], Operations: ['77-11=66', '75-44=31'] Exploring Operation: 66+31=97, Resulting Numbers: [97] 97,53 unequal: No Solution Exploring Operation: 66*31=2046, Resulting Numbers: [2046] 2046,53 unequal: No Solution Exploring Operation: 66-31=35, Resulting Numbers: [35] 35,53 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 #0,4,1 Current State: 53:[75, 22], Operations: ['77-11=66', '66-44=22'] Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[44, 77, 11, 75], Operations: [] Exploring Operation: 77-11=66, Resulting Numbers: [44, 75, 66] Generated Node #0,4: 53:[44, 75, 66] Operation: 77-11=66 Moving to Node #0,4 Current State: 53:[44, 75, 66], Operations: ['77-11=66'] Exploring Operation: 66-44=22, Resulting Numbers: [75, 22] Generated Node #0,4,1: 53:[75, 22] Operation: 66-44=22 Moving to Node #0,4,1 Current State: 53:[75, 22], Operations: ['77-11=66', '66-44=22'] Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 32, 25, 70, 66 ]
35
[ "32+66=98", "25*98=2450", "2450/70=35" ]
Current State: 35:[32, 25, 70, 66], Operations: [] Exploring Operation: 32+66=98, Resulting Numbers: [25, 70, 98] Generated Node #2: [25, 70, 98] from Operation: 32+66=98 Current State: 35:[25, 70, 98], Operations: ['32+66=98'] Exploring Operation: 25*98=2450, Resulting Numbers: [70, 2450] Generated Node #3: [70, 2450] from Operation: 25*98=2450 Current State: 35:[70, 2450], Operations: ['32+66=98', '25*98=2450'] Exploring Operation: 2450/70=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[32, 25, 70, 66], Operations: [] Exploring Operation: 70-66=4, Resulting Numbers: [32, 25, 4] Generated Node #0,0: 35:[32, 25, 4] Operation: 70-66=4 Moving to Node #0,0 Current State: 35:[32, 25, 4], Operations: ['70-66=4'] Exploring Operation: 32-25=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 35:[4, 7] Operation: 32-25=7 Moving to Node #0,0,0 Current State: 35:[4, 7], Operations: ['70-66=4', '32-25=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,35 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 5, 61, 25, 30 ]
36
[ "25/5=5", "61-30=31", "5+31=36" ]
Current State: 36:[5, 61, 25, 30], Operations: [] Exploring Operation: 25/5=5, Resulting Numbers: [61, 30, 5] Generated Node #2: [61, 30, 5] from Operation: 25/5=5 Current State: 36:[61, 30, 5], Operations: ['25/5=5'] Exploring Operation: 61-30=31, Resulting Numbers: [5, 31] Generated Node #3: [5, 31] from Operation: 61-30=31 Current State: 36:[5, 31], Operations: ['25/5=5', '61-30=31'] Exploring Operation: 5+31=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[5, 61, 25, 30], Operations: [] Exploring Operation: 30-25=5, Resulting Numbers: [5, 61, 5] Generated Node #0,0: 36:[5, 61, 5] Operation: 30-25=5 Exploring Operation: 25/5=5, Resulting Numbers: [61, 30, 5] Generated Node #0,1: 36:[61, 30, 5] Operation: 25/5=5 Exploring Operation: 61-25=36, Resulting Numbers: [5, 30, 36] Generated Node #0,2: 36:[5, 30, 36] Operation: 61-25=36 Exploring Operation: 61-30=31, Resulting Numbers: [5, 25, 31] Generated Node #0,3: 36:[5, 25, 31] Operation: 61-30=31 Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[5, 30, 36], Operations: ['61-25=36'] Exploring Operation: 36-30=6, Resulting Numbers: [5, 6] Generated Node #0,2,0: 36:[5, 6] Operation: 36-30=6 Exploring Operation: 5+30=35, Resulting Numbers: [36, 35] Generated Node #0,2,1: 36:[36, 35] Operation: 5+30=35 Exploring Operation: 30/5=6, Resulting Numbers: [36, 6] Generated Node #0,2,2: 36:[36, 6] Operation: 30/5=6 Exploring Operation: 30-5=25, Resulting Numbers: [36, 25] Generated Node #0,2,3: 36:[36, 25] Operation: 30-5=25 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 36:[36, 6], Operations: ['61-25=36', '30/5=6'] Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 36+6=42, Resulting Numbers: [42] 42,36 unequal: No Solution Exploring Operation: 36*6=216, Resulting Numbers: [216] 216,36 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 36:[5, 6], Operations: ['61-25=36', '36-30=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,36 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,36 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 36:[36, 35], Operations: ['61-25=36', '5+30=35'] Exploring Operation: 36+35=71, Resulting Numbers: [71] 71,36 unequal: No Solution Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,36 unequal: No Solution Exploring Operation: 36*35=1260, Resulting Numbers: [1260] 1260,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 36:[36, 25], Operations: ['61-25=36', '30-5=25'] Exploring Operation: 36*25=900, Resulting Numbers: [900] 900,36 unequal: No Solution Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,36 unequal: No Solution Exploring Operation: 36+25=61, Resulting Numbers: [61] 61,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 36:[5, 25, 31], Operations: ['61-30=31'] Exploring Operation: 5+31=36, Resulting Numbers: [25, 36] Generated Node #0,3,0: 36:[25, 36] Operation: 5+31=36 Exploring Operation: 31-25=6, Resulting Numbers: [5, 6] Generated Node #0,3,1: 36:[5, 6] Operation: 31-25=6 Exploring Operation: 25-5=20, Resulting Numbers: [31, 20] Generated Node #0,3,2: 36:[31, 20] Operation: 25-5=20 Exploring Operation: 25/5=5, Resulting Numbers: [31, 5] Generated Node #0,3,3: 36:[31, 5] Operation: 25/5=5 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 36:[5, 6], Operations: ['61-30=31', '31-25=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,36 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,36 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 36:[31, 5], Operations: ['61-30=31', '25/5=5'] Exploring Operation: 31+5=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[5, 61, 25, 30], Operations: [] Exploring Operation: 61-30=31, Resulting Numbers: [5, 25, 31] Generated Node #0,3: 36:[5, 25, 31] Operation: 61-30=31 Moving to Node #0,3 Current State: 36:[5, 25, 31], Operations: ['61-30=31'] Exploring Operation: 25/5=5, Resulting Numbers: [31, 5] Generated Node #0,3,3: 36:[31, 5] Operation: 25/5=5 Moving to Node #0,3,3 Current State: 36:[31, 5], Operations: ['61-30=31', '25/5=5'] Exploring Operation: 31+5=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.971354
hs_4
mult_heuristic
[ 11, 90, 48, 41 ]
13
[ "48-41=7", "11*7=77", "90-77=13" ]
Current State: 13:[11, 90, 48, 41], Operations: [] Exploring Operation: 48-41=7, Resulting Numbers: [11, 90, 7] Generated Node #2: [11, 90, 7] from Operation: 48-41=7 Current State: 13:[11, 90, 7], Operations: ['48-41=7'] Exploring Operation: 11*7=77, Resulting Numbers: [90, 77] Generated Node #3: [90, 77] from Operation: 11*7=77 Current State: 13:[90, 77], Operations: ['48-41=7', '11*7=77'] Exploring Operation: 90-77=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[11, 90, 48, 41], Operations: [] Exploring Operation: 48-41=7, Resulting Numbers: [11, 90, 7] Generated Node #0,0: 13:[11, 90, 7] Operation: 48-41=7 Exploring Operation: 90-41=49, Resulting Numbers: [11, 48, 49] Generated Node #0,1: 13:[11, 48, 49] Operation: 90-41=49 Exploring Operation: 90-11=79, Resulting Numbers: [48, 41, 79] Generated Node #0,2: 13:[48, 41, 79] Operation: 90-11=79 Exploring Operation: 48-11=37, Resulting Numbers: [90, 41, 37] Generated Node #0,3: 13:[90, 41, 37] Operation: 48-11=37 Exploring Operation: 90-48=42, Resulting Numbers: [11, 41, 42] Generated Node #0,4: 13:[11, 41, 42] Operation: 90-48=42 Moving to Node #0,4 Current State: 13:[11, 41, 42], Operations: ['90-48=42'] Exploring Operation: 41-11=30, Resulting Numbers: [42, 30] Generated Node #0,4,0: 13:[42, 30] Operation: 41-11=30 Exploring Operation: 11+42=53, Resulting Numbers: [41, 53] Generated Node #0,4,1: 13:[41, 53] Operation: 11+42=53 Exploring Operation: 42-41=1, Resulting Numbers: [11, 1] Generated Node #0,4,2: 13:[11, 1] Operation: 42-41=1 Exploring Operation: 42-11=31, Resulting Numbers: [41, 31] Generated Node #0,4,3: 13:[41, 31] Operation: 42-11=31 Exploring Operation: 11+41=52, Resulting Numbers: [42, 52] Generated Node #0,4,4: 13:[42, 52] Operation: 11+41=52 Moving to Node #0,1 Current State: 13:[11, 48, 49], Operations: ['90-41=49'] Exploring Operation: 48-11=37, Resulting Numbers: [49, 37] Generated Node #0,1,0: 13:[49, 37] Operation: 48-11=37 Exploring Operation: 49-11=38, Resulting Numbers: [48, 38] Generated Node #0,1,1: 13:[48, 38] Operation: 49-11=38 Exploring Operation: 49-48=1, Resulting Numbers: [11, 1] Generated Node #0,1,2: 13:[11, 1] Operation: 49-48=1 Exploring Operation: 11+48=59, Resulting Numbers: [49, 59] Generated Node #0,1,3: 13:[49, 59] Operation: 11+48=59 Exploring Operation: 11+49=60, Resulting Numbers: [48, 60] Generated Node #0,1,4: 13:[48, 60] Operation: 11+49=60 Moving to Node #0,0 Current State: 13:[11, 90, 7], Operations: ['48-41=7'] Exploring Operation: 90+7=97, Resulting Numbers: [11, 97] Generated Node #0,0,0: 13:[11, 97] Operation: 90+7=97 Exploring Operation: 90-7=83, Resulting Numbers: [11, 83] Generated Node #0,0,1: 13:[11, 83] Operation: 90-7=83 Exploring Operation: 90-11=79, Resulting Numbers: [7, 79] Generated Node #0,0,2: 13:[7, 79] Operation: 90-11=79 Exploring Operation: 11+7=18, Resulting Numbers: [90, 18] Generated Node #0,0,3: 13:[90, 18] Operation: 11+7=18 Exploring Operation: 11-7=4, Resulting Numbers: [90, 4] Generated Node #0,0,4: 13:[90, 4] Operation: 11-7=4 Moving to Node #0,2 Current State: 13:[48, 41, 79], Operations: ['90-11=79'] Exploring Operation: 48-41=7, Resulting Numbers: [79, 7] Generated Node #0,2,0: 13:[79, 7] Operation: 48-41=7 Exploring Operation: 79-48=31, Resulting Numbers: [41, 31] Generated Node #0,2,1: 13:[41, 31] Operation: 79-48=31 Exploring Operation: 48+41=89, Resulting Numbers: [79, 89] Generated Node #0,2,2: 13:[79, 89] Operation: 48+41=89 Exploring Operation: 48+79=127, Resulting Numbers: [41, 127] Generated Node #0,2,3: 13:[41, 127] Operation: 48+79=127 Exploring Operation: 79-41=38, Resulting Numbers: [48, 38] Generated Node #0,2,4: 13:[48, 38] Operation: 79-41=38 Moving to Node #0,3 Current State: 13:[90, 41, 37], Operations: ['48-11=37'] Exploring Operation: 90+41=131, Resulting Numbers: [37, 131] Generated Node #0,3,0: 13:[37, 131] Operation: 90+41=131 Exploring Operation: 41-37=4, Resulting Numbers: [90, 4] Generated Node #0,3,1: 13:[90, 4] Operation: 41-37=4 Exploring Operation: 90-37=53, Resulting Numbers: [41, 53] Generated Node #0,3,2: 13:[41, 53] Operation: 90-37=53 Exploring Operation: 90-41=49, Resulting Numbers: [37, 49] Generated Node #0,3,3: 13:[37, 49] Operation: 90-41=49 Exploring Operation: 90+37=127, Resulting Numbers: [41, 127] Generated Node #0,3,4: 13:[41, 127] Operation: 90+37=127 Moving to Node #0,4,2 Current State: 13:[11, 1], Operations: ['90-48=42', '42-41=1'] Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,13 unequal: No Solution Moving to Node #0,1,2 Current State: 13:[11, 1], Operations: ['90-41=49', '49-48=1'] Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,13 unequal: No Solution Moving to Node #0,4,3 Current State: 13:[41, 31], Operations: ['90-48=42', '42-11=31'] Exploring Operation: 41*31=1271, Resulting Numbers: [1271] 1271,13 unequal: No Solution Exploring Operation: 41+31=72, Resulting Numbers: [72] 72,13 unequal: No Solution Exploring Operation: 41-31=10, Resulting Numbers: [10] 10,13 unequal: No Solution Moving to Node #0,4,0 Current State: 13:[42, 30], Operations: ['90-48=42', '41-11=30'] Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,13 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 42*30=1260, Resulting Numbers: [1260] 1260,13 unequal: No Solution Moving to Node #0,2,1 Current State: 13:[41, 31], Operations: ['90-11=79', '79-48=31'] Exploring Operation: 41*31=1271, Resulting Numbers: [1271] 1271,13 unequal: No Solution Exploring Operation: 41+31=72, Resulting Numbers: [72] 72,13 unequal: No Solution Exploring Operation: 41-31=10, Resulting Numbers: [10] 10,13 unequal: No Solution Moving to Node #0,1,0 Current State: 13:[49, 37], Operations: ['90-41=49', '48-11=37'] Exploring Operation: 49+37=86, Resulting Numbers: [86] 86,13 unequal: No Solution Exploring Operation: 49*37=1813, Resulting Numbers: [1813] 1813,13 unequal: No Solution Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,13 unequal: No Solution Moving to Node #0,3,3 Current State: 13:[37, 49], Operations: ['48-11=37', '90-41=49'] Exploring Operation: 37*49=1813, Resulting Numbers: [1813] 1813,13 unequal: No Solution Exploring Operation: 37+49=86, Resulting Numbers: [86] 86,13 unequal: No Solution Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,13 unequal: No Solution Moving to Node #0,1,1 Current State: 13:[48, 38], Operations: ['90-41=49', '49-11=38'] Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,13 unequal: No Solution Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 48*38=1824, Resulting Numbers: [1824] 1824,13 unequal: No Solution Moving to Node #0,2,4 Current State: 13:[48, 38], Operations: ['90-11=79', '79-41=38'] Exploring Operation: 48-38=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 48+38=86, Resulting Numbers: [86] 86,13 unequal: No Solution Exploring Operation: 48*38=1824, Resulting Numbers: [1824] 1824,13 unequal: No Solution Moving to Node #0,3,2 Current State: 13:[41, 53], Operations: ['48-11=37', '90-37=53'] Exploring Operation: 41+53=94, Resulting Numbers: [94] 94,13 unequal: No Solution Exploring Operation: 41*53=2173, Resulting Numbers: [2173] 2173,13 unequal: No Solution Exploring Operation: 53-41=12, Resulting Numbers: [12] 12,13 unequal: No Solution Moving to Node #0,4,4 Current State: 13:[42, 52], Operations: ['90-48=42', '11+41=52'] Exploring Operation: 52-42=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 42*52=2184, Resulting Numbers: [2184] 2184,13 unequal: No Solution Exploring Operation: 42+52=94, Resulting Numbers: [94] 94,13 unequal: No Solution Moving to Node #0,4,1 Current State: 13:[41, 53], Operations: ['90-48=42', '11+42=53'] Exploring Operation: 53-41=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 41*53=2173, Resulting Numbers: [2173] 2173,13 unequal: No Solution Exploring Operation: 41+53=94, Resulting Numbers: [94] 94,13 unequal: No Solution Moving to Node #0,0,2 Current State: 13:[7, 79], Operations: ['48-41=7', '90-11=79'] Exploring Operation: 7*79=553, Resulting Numbers: [553] 553,13 unequal: No Solution Exploring Operation: 79-7=72, Resulting Numbers: [72] 72,13 unequal: No Solution Exploring Operation: 7+79=86, Resulting Numbers: [86] 86,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[11, 83], Operations: ['48-41=7', '90-7=83'] Exploring Operation: 83-11=72, Resulting Numbers: [72] 72,13 unequal: No Solution Exploring Operation: 11+83=94, Resulting Numbers: [94] 94,13 unequal: No Solution Exploring Operation: 11*83=913, Resulting Numbers: [913] 913,13 unequal: No Solution Moving to Node #0,2,0 Current State: 13:[79, 7], Operations: ['90-11=79', '48-41=7'] Exploring Operation: 79*7=553, Resulting Numbers: [553] 553,13 unequal: No Solution Exploring Operation: 79-7=72, Resulting Numbers: [72] 72,13 unequal: No Solution Exploring Operation: 79+7=86, Resulting Numbers: [86] 86,13 unequal: No Solution Moving to Node #0,0,3 Current State: 13:[90, 18], Operations: ['48-41=7', '11+7=18'] Exploring Operation: 90*18=1620, Resulting Numbers: [1620] 1620,13 unequal: No Solution Exploring Operation: 90+18=108, Resulting Numbers: [108] 108,13 unequal: No Solution Exploring Operation: 90/18=5, Resulting Numbers: [5] 5,13 unequal: No Solution Exploring Operation: 90-18=72, Resulting Numbers: [72] 72,13 unequal: No Solution Moving to Node #0,1,4 Current State: 13:[48, 60], Operations: ['90-41=49', '11+49=60'] Exploring Operation: 48*60=2880, Resulting Numbers: [2880] 2880,13 unequal: No Solution Exploring Operation: 60-48=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 48+60=108, Resulting Numbers: [108] 108,13 unequal: No Solution Moving to Node #0,1,3 Current State: 13:[49, 59], Operations: ['90-41=49', '11+48=59'] Exploring Operation: 49+59=108, Resulting Numbers: [108] 108,13 unequal: No Solution Exploring Operation: 59-49=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 49*59=2891, Resulting Numbers: [2891] 2891,13 unequal: No Solution Moving to Node #0,0,4 Current State: 13:[90, 4], Operations: ['48-41=7', '11-7=4'] Exploring Operation: 90+4=94, Resulting Numbers: [94] 94,13 unequal: No Solution Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,13 unequal: No Solution Exploring Operation: 90*4=360, Resulting Numbers: [360] 360,13 unequal: No Solution Moving to Node #0,3,1 Current State: 13:[90, 4], Operations: ['48-11=37', '41-37=4'] Exploring Operation: 90+4=94, Resulting Numbers: [94] 94,13 unequal: No Solution Exploring Operation: 90*4=360, Resulting Numbers: [360] 360,13 unequal: No Solution Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,13 unequal: No Solution Moving to Node #0,0,0 Current State: 13:[11, 97], Operations: ['48-41=7', '90+7=97'] Exploring Operation: 11+97=108, Resulting Numbers: [108] 108,13 unequal: No Solution Exploring Operation: 11*97=1067, Resulting Numbers: [1067] 1067,13 unequal: No Solution Exploring Operation: 97-11=86, Resulting Numbers: [86] 86,13 unequal: No Solution Moving to Node #0,3,4 Current State: 13:[41, 127], Operations: ['48-11=37', '90+37=127'] Exploring Operation: 127-41=86, Resulting Numbers: [86] 86,13 unequal: No Solution Exploring Operation: 41+127=168, Resulting Numbers: [168] 168,13 unequal: No Solution Exploring Operation: 41*127=5207, Resulting Numbers: [5207] 5207,13 unequal: No Solution Moving to Node #0,3,0 Current State: 13:[37, 131], Operations: ['48-11=37', '90+41=131'] Exploring Operation: 37*131=4847, Resulting Numbers: [4847] 4847,13 unequal: No Solution Exploring Operation: 37+131=168, Resulting Numbers: [168] 168,13 unequal: No Solution Exploring Operation: 131-37=94, Resulting Numbers: [94] 94,13 unequal: No Solution Moving to Node #0,2,2 Current State: 13:[79, 89], Operations: ['90-11=79', '48+41=89'] Exploring Operation: 79*89=7031, Resulting Numbers: [7031] 7031,13 unequal: No Solution Exploring Operation: 79+89=168, Resulting Numbers: [168] 168,13 unequal: No Solution Exploring Operation: 89-79=10, Resulting Numbers: [10] 10,13 unequal: No Solution Moving to Node #0,2,3 Current State: 13:[41, 127], Operations: ['90-11=79', '48+79=127'] Exploring Operation: 127-41=86, Resulting Numbers: [86] 86,13 unequal: No Solution Exploring Operation: 41+127=168, Resulting Numbers: [168] 168,13 unequal: No Solution Exploring Operation: 41*127=5207, Resulting Numbers: [5207] 5207,13 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 44, 23, 35, 9 ]
47
[ "44-23=21", "35-9=26", "21+26=47" ]
Current State: 47:[44, 23, 35, 9], Operations: [] Exploring Operation: 44-23=21, Resulting Numbers: [35, 9, 21] Generated Node #2: [35, 9, 21] from Operation: 44-23=21 Current State: 47:[35, 9, 21], Operations: ['44-23=21'] Exploring Operation: 35-9=26, Resulting Numbers: [21, 26] Generated Node #3: [21, 26] from Operation: 35-9=26 Current State: 47:[21, 26], Operations: ['44-23=21', '35-9=26'] Exploring Operation: 21+26=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[44, 23, 35, 9], Operations: [] Exploring Operation: 44+9=53, Resulting Numbers: [23, 35, 53] Generated Node #0,0: 47:[23, 35, 53] Operation: 44+9=53 Exploring Operation: 35+9=44, Resulting Numbers: [44, 23, 44] Generated Node #0,1: 47:[44, 23, 44] Operation: 35+9=44 Exploring Operation: 23+9=32, Resulting Numbers: [44, 35, 32] Generated Node #0,2: 47:[44, 35, 32] Operation: 23+9=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[44, 23, 44], Operations: ['35+9=44'] Exploring Operation: 44+23=67, Resulting Numbers: [44, 67] Generated Node #0,1,0: 47:[44, 67] Operation: 44+23=67 Exploring Operation: 23+44=67, Resulting Numbers: [44, 67] Generated Node #0,1,1: 47:[44, 67] Operation: 23+44=67 Exploring Operation: 44-23=21, Resulting Numbers: [44, 21] Generated Node #0,1,2: 47:[44, 21] Operation: 44-23=21 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 47:[44, 67], Operations: ['35+9=44', '44+23=67'] Exploring Operation: 44+67=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 44*67=2948, Resulting Numbers: [2948] 2948,47 unequal: No Solution Exploring Operation: 67-44=23, Resulting Numbers: [23] 23,47 unequal: No Solution No 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: 47:[44, 67], Operations: ['35+9=44', '23+44=67'] Exploring Operation: 44*67=2948, Resulting Numbers: [2948] 2948,47 unequal: No Solution Exploring Operation: 67-44=23, Resulting Numbers: [23] 23,47 unequal: No Solution Exploring Operation: 44+67=111, Resulting Numbers: [111] 111,47 unequal: No Solution No 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: 47:[44, 21], Operations: ['35+9=44', '44-23=21'] Exploring Operation: 44-21=23, Resulting Numbers: [23] 23,47 unequal: No Solution Exploring Operation: 44*21=924, Resulting Numbers: [924] 924,47 unequal: No Solution Exploring Operation: 44+21=65, Resulting Numbers: [65] 65,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[44, 35, 32], Operations: ['23+9=32'] Exploring Operation: 35+32=67, Resulting Numbers: [44, 67] Generated Node #0,2,0: 47:[44, 67] Operation: 35+32=67 Exploring Operation: 44+35=79, Resulting Numbers: [32, 79] Generated Node #0,2,1: 47:[32, 79] Operation: 44+35=79 Exploring Operation: 44+32=76, Resulting Numbers: [35, 76] Generated Node #0,2,2: 47:[35, 76] Operation: 44+32=76 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 47:[44, 67], Operations: ['23+9=32', '35+32=67'] Exploring Operation: 67-44=23, Resulting Numbers: [23] 23,47 unequal: No Solution Exploring Operation: 44+67=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 44*67=2948, Resulting Numbers: [2948] 2948,47 unequal: No Solution No 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: 47:[35, 76], Operations: ['23+9=32', '44+32=76'] Exploring Operation: 76-35=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 35+76=111, Resulting Numbers: [111] 111,47 unequal: No Solution Exploring Operation: 35*76=2660, Resulting Numbers: [2660] 2660,47 unequal: No Solution No 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: 47:[32, 79], Operations: ['23+9=32', '44+35=79'] Exploring Operation: 79-32=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[44, 23, 35, 9], Operations: [] Exploring Operation: 23+9=32, Resulting Numbers: [44, 35, 32] Generated Node #0,2: 47:[44, 35, 32] Operation: 23+9=32 Moving to Node #0,2 Current State: 47:[44, 35, 32], Operations: ['23+9=32'] Exploring Operation: 44+35=79, Resulting Numbers: [32, 79] Generated Node #0,2,1: 47:[32, 79] Operation: 44+35=79 Moving to Node #0,2,1 Current State: 47:[32, 79], Operations: ['23+9=32', '44+35=79'] Exploring Operation: 79-32=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.974826
hs_3
mult_heuristic
[ 47, 28, 43, 50 ]
82
[ "47+28=75", "50-43=7", "75+7=82" ]
Current State: 82:[47, 28, 43, 50], Operations: [] Exploring Operation: 47+28=75, Resulting Numbers: [43, 50, 75] Generated Node #2: [43, 50, 75] from Operation: 47+28=75 Current State: 82:[43, 50, 75], Operations: ['47+28=75'] Exploring Operation: 50-43=7, Resulting Numbers: [75, 7] Generated Node #3: [75, 7] from Operation: 50-43=7 Current State: 82:[75, 7], Operations: ['47+28=75', '50-43=7'] Exploring Operation: 75+7=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[47, 28, 43, 50], Operations: [] Exploring Operation: 50-47=3, Resulting Numbers: [28, 43, 3] Generated Node #0,0: 82:[28, 43, 3] Operation: 50-47=3 Exploring Operation: 47+28=75, Resulting Numbers: [43, 50, 75] Generated Node #0,1: 82:[43, 50, 75] Operation: 47+28=75 Exploring Operation: 28+50=78, Resulting Numbers: [47, 43, 78] Generated Node #0,2: 82:[47, 43, 78] Operation: 28+50=78 Moving to Node #0,2 Current State: 82:[47, 43, 78], Operations: ['28+50=78'] Exploring Operation: 78-47=31, Resulting Numbers: [43, 31] Generated Node #0,2,0: 82:[43, 31] Operation: 78-47=31 Exploring Operation: 47-43=4, Resulting Numbers: [78, 4] Generated Node #0,2,1: 82:[78, 4] Operation: 47-43=4 Exploring Operation: 47+43=90, Resulting Numbers: [78, 90] Generated Node #0,2,2: 82:[78, 90] Operation: 47+43=90 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 82:[78, 4], Operations: ['28+50=78', '47-43=4'] Exploring Operation: 78+4=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[47, 28, 43, 50], Operations: [] Exploring Operation: 28+50=78, Resulting Numbers: [47, 43, 78] Generated Node #0,2: 82:[47, 43, 78] Operation: 28+50=78 Moving to Node #0,2 Current State: 82:[47, 43, 78], Operations: ['28+50=78'] Exploring Operation: 47-43=4, Resulting Numbers: [78, 4] Generated Node #0,2,1: 82:[78, 4] Operation: 47-43=4 Moving to Node #0,2,1 Current State: 82:[78, 4], Operations: ['28+50=78', '47-43=4'] Exploring Operation: 78+4=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 88, 99, 64, 19 ]
53
[ "99*64=6336", "6336/88=72", "72-19=53" ]
Current State: 53:[88, 99, 64, 19], Operations: [] Exploring Operation: 99*64=6336, Resulting Numbers: [88, 19, 6336] Generated Node #2: [88, 19, 6336] from Operation: 99*64=6336 Current State: 53:[88, 19, 6336], Operations: ['99*64=6336'] Exploring Operation: 6336/88=72, Resulting Numbers: [19, 72] Generated Node #3: [19, 72] from Operation: 6336/88=72 Current State: 53:[19, 72], Operations: ['99*64=6336', '6336/88=72'] Exploring Operation: 72-19=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[88, 99, 64, 19], Operations: [] Exploring Operation: 88-19=69, Resulting Numbers: [99, 64, 69] Generated Node #0,0: 53:[99, 64, 69] Operation: 88-19=69 Moving to Node #0,0 Current State: 53:[99, 64, 69], Operations: ['88-19=69'] Exploring Operation: 99-64=35, Resulting Numbers: [69, 35] Generated Node #0,0,0: 53:[69, 35] Operation: 99-64=35 Moving to Node #0,0,0 Current State: 53:[69, 35], Operations: ['88-19=69', '99-64=35'] Exploring Operation: 69-35=34, Resulting Numbers: [34] 34,53 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 69, 56, 94, 71 ]
53
[ "94-71=23", "69/23=3", "56-3=53" ]
Current State: 53:[69, 56, 94, 71], Operations: [] Exploring Operation: 94-71=23, Resulting Numbers: [69, 56, 23] Generated Node #2: [69, 56, 23] from Operation: 94-71=23 Current State: 53:[69, 56, 23], Operations: ['94-71=23'] Exploring Operation: 69/23=3, Resulting Numbers: [56, 3] Generated Node #3: [56, 3] from Operation: 69/23=3 Current State: 53:[56, 3], Operations: ['94-71=23', '69/23=3'] Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[69, 56, 94, 71], Operations: [] Exploring Operation: 94-69=25, Resulting Numbers: [56, 71, 25] Generated Node #0,0: 53:[56, 71, 25] Operation: 94-69=25 Exploring Operation: 94-56=38, Resulting Numbers: [69, 71, 38] Generated Node #0,1: 53:[69, 71, 38] Operation: 94-56=38 Exploring Operation: 94-71=23, Resulting Numbers: [69, 56, 23] Generated Node #0,2: 53:[69, 56, 23] Operation: 94-71=23 Exploring Operation: 71-69=2, Resulting Numbers: [56, 94, 2] Generated Node #0,3: 53:[56, 94, 2] Operation: 71-69=2 Exploring Operation: 71-56=15, Resulting Numbers: [69, 94, 15] Generated Node #0,4: 53:[69, 94, 15] Operation: 71-56=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[56, 71, 25], Operations: ['94-69=25'] Exploring Operation: 71-25=46, Resulting Numbers: [56, 46] Generated Node #0,0,0: 53:[56, 46] Operation: 71-25=46 Exploring Operation: 56-25=31, Resulting Numbers: [71, 31] Generated Node #0,0,1: 53:[71, 31] Operation: 56-25=31 Exploring Operation: 71+25=96, Resulting Numbers: [56, 96] Generated Node #0,0,2: 53:[56, 96] Operation: 71+25=96 Exploring Operation: 56+25=81, Resulting Numbers: [71, 81] Generated Node #0,0,3: 53:[71, 81] Operation: 56+25=81 Exploring Operation: 71-56=15, Resulting Numbers: [25, 15] Generated Node #0,0,4: 53:[25, 15] Operation: 71-56=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[56, 46], Operations: ['94-69=25', '71-25=46'] Exploring Operation: 56*46=2576, Resulting Numbers: [2576] 2576,53 unequal: No Solution Exploring Operation: 56-46=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 56+46=102, Resulting Numbers: [102] 102,53 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:[71, 31], Operations: ['94-69=25', '56-25=31'] Exploring Operation: 71+31=102, Resulting Numbers: [102] 102,53 unequal: No Solution Exploring Operation: 71*31=2201, Resulting Numbers: [2201] 2201,53 unequal: No Solution Exploring Operation: 71-31=40, Resulting Numbers: [40] 40,53 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:[56, 96], Operations: ['94-69=25', '71+25=96'] Exploring Operation: 96-56=40, Resulting Numbers: [40] 40,53 unequal: No Solution Exploring Operation: 56+96=152, Resulting Numbers: [152] 152,53 unequal: No Solution Exploring Operation: 56*96=5376, Resulting Numbers: [5376] 5376,53 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:[71, 81], Operations: ['94-69=25', '56+25=81'] Exploring Operation: 71*81=5751, Resulting Numbers: [5751] 5751,53 unequal: No Solution Exploring Operation: 81-71=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 71+81=152, Resulting Numbers: [152] 152,53 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:[25, 15], Operations: ['94-69=25', '71-56=15'] Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 25+15=40, Resulting Numbers: [40] 40,53 unequal: No Solution Exploring Operation: 25*15=375, Resulting Numbers: [375] 375,53 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:[69, 71, 38], Operations: ['94-56=38'] Exploring Operation: 71+38=109, Resulting Numbers: [69, 109] Generated Node #0,1,0: 53:[69, 109] Operation: 71+38=109 Exploring Operation: 71-38=33, Resulting Numbers: [69, 33] Generated Node #0,1,1: 53:[69, 33] Operation: 71-38=33 Exploring Operation: 71-69=2, Resulting Numbers: [38, 2] Generated Node #0,1,2: 53:[38, 2] Operation: 71-69=2 Exploring Operation: 69+38=107, Resulting Numbers: [71, 107] Generated Node #0,1,3: 53:[71, 107] Operation: 69+38=107 Exploring Operation: 69-38=31, Resulting Numbers: [71, 31] Generated Node #0,1,4: 53:[71, 31] Operation: 69-38=31 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[69, 33], Operations: ['94-56=38', '71-38=33'] Exploring Operation: 69+33=102, Resulting Numbers: [102] 102,53 unequal: No Solution Exploring Operation: 69*33=2277, Resulting Numbers: [2277] 2277,53 unequal: No Solution Exploring Operation: 69-33=36, Resulting Numbers: [36] 36,53 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:[71, 31], Operations: ['94-56=38', '69-38=31'] Exploring Operation: 71-31=40, Resulting Numbers: [40] 40,53 unequal: No Solution Exploring Operation: 71*31=2201, Resulting Numbers: [2201] 2201,53 unequal: No Solution Exploring Operation: 71+31=102, Resulting Numbers: [102] 102,53 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:[38, 2], Operations: ['94-56=38', '71-69=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,53 unequal: No Solution Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,53 unequal: No Solution Exploring Operation: 38*2=76, Resulting Numbers: [76] 76,53 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[69, 109], Operations: ['94-56=38', '71+38=109'] Exploring Operation: 69*109=7521, Resulting Numbers: [7521] 7521,53 unequal: No Solution Exploring Operation: 69+109=178, Resulting Numbers: [178] 178,53 unequal: No Solution Exploring Operation: 109-69=40, Resulting Numbers: [40] 40,53 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:[71, 107], Operations: ['94-56=38', '69+38=107'] Exploring Operation: 107-71=36, Resulting Numbers: [36] 36,53 unequal: No Solution Exploring Operation: 71*107=7597, Resulting Numbers: [7597] 7597,53 unequal: No Solution Exploring Operation: 71+107=178, Resulting Numbers: [178] 178,53 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:[69, 56, 23], Operations: ['94-71=23'] Exploring Operation: 69-23=46, Resulting Numbers: [56, 46] Generated Node #0,2,0: 53:[56, 46] Operation: 69-23=46 Exploring Operation: 56+23=79, Resulting Numbers: [69, 79] Generated Node #0,2,1: 53:[69, 79] Operation: 56+23=79 Exploring Operation: 69+23=92, Resulting Numbers: [56, 92] Generated Node #0,2,2: 53:[56, 92] Operation: 69+23=92 Exploring Operation: 69/23=3, Resulting Numbers: [56, 3] Generated Node #0,2,3: 53:[56, 3] Operation: 69/23=3 Exploring Operation: 56-23=33, Resulting Numbers: [69, 33] Generated Node #0,2,4: 53:[69, 33] Operation: 56-23=33 Moving to Node #0,2,0 Current State: 53:[56, 46], Operations: ['94-71=23', '69-23=46'] Exploring Operation: 56-46=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 56+46=102, Resulting Numbers: [102] 102,53 unequal: No Solution Exploring Operation: 56*46=2576, Resulting Numbers: [2576] 2576,53 unequal: No Solution Moving to Node #0,2,4 Current State: 53:[69, 33], Operations: ['94-71=23', '56-23=33'] Exploring Operation: 69*33=2277, Resulting Numbers: [2277] 2277,53 unequal: No Solution Exploring Operation: 69+33=102, Resulting Numbers: [102] 102,53 unequal: No Solution Exploring Operation: 69-33=36, Resulting Numbers: [36] 36,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[69, 79], Operations: ['94-71=23', '56+23=79'] Exploring Operation: 79-69=10, Resulting Numbers: [10] 10,53 unequal: No Solution Exploring Operation: 69*79=5451, Resulting Numbers: [5451] 5451,53 unequal: No Solution Exploring Operation: 69+79=148, Resulting Numbers: [148] 148,53 unequal: No Solution Moving to Node #0,2,2 Current State: 53:[56, 92], Operations: ['94-71=23', '69+23=92'] Exploring Operation: 56+92=148, Resulting Numbers: [148] 148,53 unequal: No Solution Exploring Operation: 92-56=36, Resulting Numbers: [36] 36,53 unequal: No Solution Exploring Operation: 56*92=5152, Resulting Numbers: [5152] 5152,53 unequal: No Solution Moving to Node #0,2,3 Current State: 53:[56, 3], Operations: ['94-71=23', '69/23=3'] Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[69, 56, 94, 71], Operations: [] Exploring Operation: 94-71=23, Resulting Numbers: [69, 56, 23] Generated Node #0,2: 53:[69, 56, 23] Operation: 94-71=23 Moving to Node #0,2 Current State: 53:[69, 56, 23], Operations: ['94-71=23'] Exploring Operation: 69/23=3, Resulting Numbers: [56, 3] Generated Node #0,2,3: 53:[56, 3] Operation: 69/23=3 Moving to Node #0,2,3 Current State: 53:[56, 3], Operations: ['94-71=23', '69/23=3'] Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.940972
hs_5
mult_heuristic
[ 85, 7, 39, 4 ]
57
[ "85+7=92", "39-4=35", "92-35=57" ]
Current State: 57:[85, 7, 39, 4], Operations: [] Exploring Operation: 85+7=92, Resulting Numbers: [39, 4, 92] Generated Node #2: [39, 4, 92] from Operation: 85+7=92 Current State: 57:[39, 4, 92], Operations: ['85+7=92'] Exploring Operation: 39-4=35, Resulting Numbers: [92, 35] Generated Node #3: [92, 35] from Operation: 39-4=35 Current State: 57:[92, 35], Operations: ['85+7=92', '39-4=35'] Exploring Operation: 92-35=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[85, 7, 39, 4], Operations: [] Exploring Operation: 85-39=46, Resulting Numbers: [7, 4, 46] Generated Node #0,0: 57:[7, 4, 46] Operation: 85-39=46 Moving to Node #0,0 Current State: 57:[7, 4, 46], Operations: ['85-39=46'] Exploring Operation: 7+46=53, Resulting Numbers: [4, 53] Generated Node #0,0,0: 57:[4, 53] Operation: 7+46=53 Moving to Node #0,0,0 Current State: 57:[4, 53], Operations: ['85-39=46', '7+46=53'] Exploring Operation: 4+53=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[85, 7, 39, 4], Operations: [] Exploring Operation: 85-39=46, Resulting Numbers: [7, 4, 46] Generated Node #0,0: 57:[7, 4, 46] Operation: 85-39=46 Moving to Node #0,0 Current State: 57:[7, 4, 46], Operations: ['85-39=46'] Exploring Operation: 7+46=53, Resulting Numbers: [4, 53] Generated Node #0,0,0: 57:[4, 53] Operation: 7+46=53 Moving to Node #0,0,0 Current State: 57:[4, 53], Operations: ['85-39=46', '7+46=53'] Exploring Operation: 4+53=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 42, 50, 60, 36 ]
52
[ "60-42=18", "36/18=2", "50+2=52" ]
Current State: 52:[42, 50, 60, 36], Operations: [] Exploring Operation: 60-42=18, Resulting Numbers: [50, 36, 18] Generated Node #2: [50, 36, 18] from Operation: 60-42=18 Current State: 52:[50, 36, 18], Operations: ['60-42=18'] Exploring Operation: 36/18=2, Resulting Numbers: [50, 2] Generated Node #3: [50, 2] from Operation: 36/18=2 Current State: 52:[50, 2], Operations: ['60-42=18', '36/18=2'] Exploring Operation: 50+2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[42, 50, 60, 36], Operations: [] Exploring Operation: 50-36=14, Resulting Numbers: [42, 60, 14] Generated Node #0,0: 52:[42, 60, 14] Operation: 50-36=14 Exploring Operation: 60-42=18, Resulting Numbers: [50, 36, 18] Generated Node #0,1: 52:[50, 36, 18] Operation: 60-42=18 Exploring Operation: 60-36=24, Resulting Numbers: [42, 50, 24] Generated Node #0,2: 52:[42, 50, 24] Operation: 60-36=24 Exploring Operation: 50-42=8, Resulting Numbers: [60, 36, 8] Generated Node #0,3: 52:[60, 36, 8] Operation: 50-42=8 Exploring Operation: 42-36=6, Resulting Numbers: [50, 60, 6] Generated Node #0,4: 52:[50, 60, 6] Operation: 42-36=6 Moving to Node #0,4 Current State: 52:[50, 60, 6], Operations: ['42-36=6'] Exploring Operation: 50+6=56, Resulting Numbers: [60, 56] Generated Node #0,4,0: 52:[60, 56] Operation: 50+6=56 Exploring Operation: 60-50=10, Resulting Numbers: [6, 10] Generated Node #0,4,1: 52:[6, 10] Operation: 60-50=10 Exploring Operation: 50-6=44, Resulting Numbers: [60, 44] Generated Node #0,4,2: 52:[60, 44] Operation: 50-6=44 Exploring Operation: 60/6=10, Resulting Numbers: [50, 10] Generated Node #0,4,3: 52:[50, 10] Operation: 60/6=10 Exploring Operation: 60-6=54, Resulting Numbers: [50, 54] Generated Node #0,4,4: 52:[50, 54] Operation: 60-6=54 Moving to Node #0,2 Current State: 52:[42, 50, 24], Operations: ['60-36=24'] Exploring Operation: 42+24=66, Resulting Numbers: [50, 66] Generated Node #0,2,0: 52:[50, 66] Operation: 42+24=66 Exploring Operation: 50-42=8, Resulting Numbers: [24, 8] Generated Node #0,2,1: 52:[24, 8] Operation: 50-42=8 Exploring Operation: 42-24=18, Resulting Numbers: [50, 18] Generated Node #0,2,2: 52:[50, 18] Operation: 42-24=18 Exploring Operation: 50-24=26, Resulting Numbers: [42, 26] Generated Node #0,2,3: 52:[42, 26] Operation: 50-24=26 Exploring Operation: 50+24=74, Resulting Numbers: [42, 74] Generated Node #0,2,4: 52:[42, 74] Operation: 50+24=74 Moving to Node #0,1 Current State: 52:[50, 36, 18], Operations: ['60-42=18'] Exploring Operation: 36+18=54, Resulting Numbers: [50, 54] Generated Node #0,1,0: 52:[50, 54] Operation: 36+18=54 Exploring Operation: 36-18=18, Resulting Numbers: [50, 18] Generated Node #0,1,1: 52:[50, 18] Operation: 36-18=18 Exploring Operation: 50-18=32, Resulting Numbers: [36, 32] Generated Node #0,1,2: 52:[36, 32] Operation: 50-18=32 Exploring Operation: 36/18=2, Resulting Numbers: [50, 2] Generated Node #0,1,3: 52:[50, 2] Operation: 36/18=2 Exploring Operation: 50-36=14, Resulting Numbers: [18, 14] Generated Node #0,1,4: 52:[18, 14] Operation: 50-36=14 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 52:[50, 2], Operations: ['60-42=18', '36/18=2'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,52 unequal: No Solution Exploring Operation: 50+2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[42, 50, 60, 36], Operations: [] Exploring Operation: 60-42=18, Resulting Numbers: [50, 36, 18] Generated Node #0,1: 52:[50, 36, 18] Operation: 60-42=18 Moving to Node #0,1 Current State: 52:[50, 36, 18], Operations: ['60-42=18'] Exploring Operation: 36/18=2, Resulting Numbers: [50, 2] Generated Node #0,1,3: 52:[50, 2] Operation: 36/18=2 Moving to Node #0,1,3 Current State: 52:[50, 2], Operations: ['60-42=18', '36/18=2'] Exploring Operation: 50+2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
mult_heuristic
[ 14, 2, 22, 6 ]
35
[ "14/2=7", "22+6=28", "7+28=35" ]
Current State: 35:[14, 2, 22, 6], Operations: [] Exploring Operation: 14/2=7, Resulting Numbers: [22, 6, 7] Generated Node #2: [22, 6, 7] from Operation: 14/2=7 Current State: 35:[22, 6, 7], Operations: ['14/2=7'] Exploring Operation: 22+6=28, Resulting Numbers: [7, 28] Generated Node #3: [7, 28] from Operation: 22+6=28 Current State: 35:[7, 28], Operations: ['14/2=7', '22+6=28'] Exploring Operation: 7+28=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[14, 2, 22, 6], Operations: [] Exploring Operation: 22-14=8, Resulting Numbers: [2, 6, 8] Generated Node #0,0: 35:[2, 6, 8] Operation: 22-14=8 Exploring Operation: 14+22=36, Resulting Numbers: [2, 6, 36] Generated Node #0,1: 35:[2, 6, 36] Operation: 14+22=36 Exploring Operation: 22/2=11, Resulting Numbers: [14, 6, 11] Generated Node #0,2: 35:[14, 6, 11] Operation: 22/2=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[2, 6, 8], Operations: ['22-14=8'] Exploring Operation: 8-2=6, Resulting Numbers: [6, 6] Generated Node #0,0,0: 35:[6, 6] Operation: 8-2=6 Exploring Operation: 6-2=4, Resulting Numbers: [8, 4] Generated Node #0,0,1: 35:[8, 4] Operation: 6-2=4 Exploring Operation: 2+6=8, Resulting Numbers: [8, 8] Generated Node #0,0,2: 35:[8, 8] Operation: 2+6=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 35:[6, 6], Operations: ['22-14=8', '8-2=6'] Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,35 unequal: No Solution Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,35 unequal: No Solution Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 35:[8, 4], Operations: ['22-14=8', '6-2=4'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,35 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 35:[8, 8], Operations: ['22-14=8', '2+6=8'] Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,35 unequal: No Solution Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,35 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[2, 6, 36], Operations: ['14+22=36'] Exploring Operation: 36-2=34, Resulting Numbers: [6, 34] Generated Node #0,1,0: 35:[6, 34] Operation: 36-2=34 Exploring Operation: 6-2=4, Resulting Numbers: [36, 4] Generated Node #0,1,1: 35:[36, 4] Operation: 6-2=4 Exploring Operation: 2+6=8, Resulting Numbers: [36, 8] Generated Node #0,1,2: 35:[36, 8] Operation: 2+6=8 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 35:[6, 34], Operations: ['14+22=36', '36-2=34'] Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,35 unequal: No Solution Exploring Operation: 6*34=204, Resulting Numbers: [204] 204,35 unequal: No Solution Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 35:[36, 4], Operations: ['14+22=36', '6-2=4'] Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,35 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,35 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 35:[36, 8], Operations: ['14+22=36', '2+6=8'] Exploring Operation: 36+8=44, Resulting Numbers: [44] 44,35 unequal: No Solution Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,35 unequal: No Solution Exploring Operation: 36*8=288, Resulting Numbers: [288] 288,35 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 35:[14, 6, 11], Operations: ['22/2=11'] Exploring Operation: 14-6=8, Resulting Numbers: [11, 8] Generated Node #0,2,0: 35:[11, 8] Operation: 14-6=8 Exploring Operation: 11-6=5, Resulting Numbers: [14, 5] Generated Node #0,2,1: 35:[14, 5] Operation: 11-6=5 Exploring Operation: 14-11=3, Resulting Numbers: [6, 3] Generated Node #0,2,2: 35:[6, 3] Operation: 14-11=3 Moving to Node #0,2,2 Current State: 35:[6, 3], Operations: ['22/2=11', '14-11=3'] Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,35 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,35 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,35 unequal: No Solution Moving to Node #0,2,0 Current State: 35:[11, 8], Operations: ['22/2=11', '14-6=8'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,35 unequal: No Solution Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,35 unequal: No Solution Moving to Node #0,2,1 Current State: 35:[14, 5], Operations: ['22/2=11', '11-6=5'] Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,35 unequal: No Solution Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,35 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 84, 47, 76, 56 ]
17
[ "84-47=37", "76-56=20", "37-20=17" ]
Current State: 17:[84, 47, 76, 56], Operations: [] Exploring Operation: 84-47=37, Resulting Numbers: [76, 56, 37] Generated Node #2: [76, 56, 37] from Operation: 84-47=37 Current State: 17:[76, 56, 37], Operations: ['84-47=37'] Exploring Operation: 76-56=20, Resulting Numbers: [37, 20] Generated Node #3: [37, 20] from Operation: 76-56=20 Current State: 17:[37, 20], Operations: ['84-47=37', '76-56=20'] Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[84, 47, 76, 56], Operations: [] Exploring Operation: 84-56=28, Resulting Numbers: [47, 76, 28] Generated Node #0,0: 17:[47, 76, 28] Operation: 84-56=28 Exploring Operation: 84-76=8, Resulting Numbers: [47, 56, 8] Generated Node #0,1: 17:[47, 56, 8] Operation: 84-76=8 Exploring Operation: 76-56=20, Resulting Numbers: [84, 47, 20] Generated Node #0,2: 17:[84, 47, 20] Operation: 76-56=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[47, 56, 8], Operations: ['84-76=8'] Exploring Operation: 56-47=9, Resulting Numbers: [8, 9] Generated Node #0,1,0: 17:[8, 9] Operation: 56-47=9 Exploring Operation: 56/8=7, Resulting Numbers: [47, 7] Generated Node #0,1,1: 17:[47, 7] Operation: 56/8=7 Exploring Operation: 47-8=39, Resulting Numbers: [56, 39] Generated Node #0,1,2: 17:[56, 39] Operation: 47-8=39 Moving to Node #0,1,0 Current State: 17:[8, 9], Operations: ['84-76=8', '56-47=9'] Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,17 unequal: No Solution Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[84, 47, 76, 56], Operations: [] Exploring Operation: 84-76=8, Resulting Numbers: [47, 56, 8] Generated Node #0,1: 17:[47, 56, 8] Operation: 84-76=8 Moving to Node #0,1 Current State: 17:[47, 56, 8], Operations: ['84-76=8'] Exploring Operation: 56-47=9, Resulting Numbers: [8, 9] Generated Node #0,1,0: 17:[8, 9] Operation: 56-47=9 Moving to Node #0,1,0 Current State: 17:[8, 9], Operations: ['84-76=8', '56-47=9'] Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 29, 37, 82, 56 ]
72
[ "29+37=66", "82+56=138", "138-66=72" ]
Current State: 72:[29, 37, 82, 56], Operations: [] Exploring Operation: 29+37=66, Resulting Numbers: [82, 56, 66] Generated Node #2: [82, 56, 66] from Operation: 29+37=66 Current State: 72:[82, 56, 66], Operations: ['29+37=66'] Exploring Operation: 82+56=138, Resulting Numbers: [66, 138] Generated Node #3: [66, 138] from Operation: 82+56=138 Current State: 72:[66, 138], Operations: ['29+37=66', '82+56=138'] Exploring Operation: 138-66=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[29, 37, 82, 56], Operations: [] Exploring Operation: 56-29=27, Resulting Numbers: [37, 82, 27] Generated Node #0,0: 72:[37, 82, 27] Operation: 56-29=27 Exploring Operation: 56-37=19, Resulting Numbers: [29, 82, 19] Generated Node #0,1: 72:[29, 82, 19] Operation: 56-37=19 Exploring Operation: 82-56=26, Resulting Numbers: [29, 37, 26] Generated Node #0,2: 72:[29, 37, 26] Operation: 82-56=26 Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[29, 37, 26], Operations: ['82-56=26'] Exploring Operation: 37-29=8, Resulting Numbers: [26, 8] Generated Node #0,2,0: 72:[26, 8] Operation: 37-29=8 Exploring Operation: 29-26=3, Resulting Numbers: [37, 3] Generated Node #0,2,1: 72:[37, 3] Operation: 29-26=3 Exploring Operation: 37-26=11, Resulting Numbers: [29, 11] Generated Node #0,2,2: 72:[29, 11] Operation: 37-26=11 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 72:[37, 3], Operations: ['82-56=26', '29-26=3'] Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,72 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,72 unequal: No Solution Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 72:[26, 8], Operations: ['82-56=26', '37-29=8'] Exploring Operation: 26*8=208, Resulting Numbers: [208] 208,72 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 26+8=34, Resulting Numbers: [34] 34,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 72:[29, 11], Operations: ['82-56=26', '37-26=11'] Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 29*11=319, Resulting Numbers: [319] 319,72 unequal: No Solution Exploring Operation: 29+11=40, Resulting Numbers: [40] 40,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[37, 82, 27], Operations: ['56-29=27'] Exploring Operation: 82-37=45, Resulting Numbers: [27, 45] Generated Node #0,0,0: 72:[27, 45] Operation: 82-37=45 Exploring Operation: 37-27=10, Resulting Numbers: [82, 10] Generated Node #0,0,1: 72:[82, 10] Operation: 37-27=10 Exploring Operation: 37+27=64, Resulting Numbers: [82, 64] Generated Node #0,0,2: 72:[82, 64] Operation: 37+27=64 Moving to Node #0,0,1 Current State: 72:[82, 10], Operations: ['56-29=27', '37-27=10'] Exploring Operation: 82+10=92, Resulting Numbers: [92] 92,72 unequal: No Solution Exploring Operation: 82-10=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[29, 37, 82, 56], Operations: [] Exploring Operation: 56-29=27, Resulting Numbers: [37, 82, 27] Generated Node #0,0: 72:[37, 82, 27] Operation: 56-29=27 Moving to Node #0,0 Current State: 72:[37, 82, 27], Operations: ['56-29=27'] Exploring Operation: 37-27=10, Resulting Numbers: [82, 10] Generated Node #0,0,1: 72:[82, 10] Operation: 37-27=10 Moving to Node #0,0,1 Current State: 72:[82, 10], Operations: ['56-29=27', '37-27=10'] Exploring Operation: 82-10=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 93, 77, 96, 27 ]
53
[ "93-77=16", "96-27=69", "69-16=53" ]
Current State: 53:[93, 77, 96, 27], Operations: [] Exploring Operation: 93-77=16, Resulting Numbers: [96, 27, 16] Generated Node #2: [96, 27, 16] from Operation: 93-77=16 Current State: 53:[96, 27, 16], Operations: ['93-77=16'] Exploring Operation: 96-27=69, Resulting Numbers: [16, 69] Generated Node #3: [16, 69] from Operation: 96-27=69 Current State: 53:[16, 69], Operations: ['93-77=16', '96-27=69'] Exploring Operation: 69-16=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[93, 77, 96, 27], Operations: [] Exploring Operation: 93-27=66, Resulting Numbers: [77, 96, 66] Generated Node #0,0: 53:[77, 96, 66] Operation: 93-27=66 Exploring Operation: 96-27=69, Resulting Numbers: [93, 77, 69] Generated Node #0,1: 53:[93, 77, 69] Operation: 96-27=69 Moving to Node #0,0 Current State: 53:[77, 96, 66], Operations: ['93-27=66'] Exploring Operation: 96-66=30, Resulting Numbers: [77, 30] Generated Node #0,0,0: 53:[77, 30] Operation: 96-66=30 Exploring Operation: 96-77=19, Resulting Numbers: [66, 19] Generated Node #0,0,1: 53:[66, 19] Operation: 96-77=19 Moving to Node #0,1 Current State: 53:[93, 77, 69], Operations: ['96-27=69'] Exploring Operation: 93-77=16, Resulting Numbers: [69, 16] Generated Node #0,1,0: 53:[69, 16] Operation: 93-77=16 Exploring Operation: 93-69=24, Resulting Numbers: [77, 24] Generated Node #0,1,1: 53:[77, 24] Operation: 93-69=24 Moving to Node #0,0,0 Current State: 53:[77, 30], Operations: ['93-27=66', '96-66=30'] Exploring Operation: 77-30=47, Resulting Numbers: [47] 47,53 unequal: No Solution Exploring Operation: 77+30=107, Resulting Numbers: [107] 107,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[66, 19], Operations: ['93-27=66', '96-77=19'] Exploring Operation: 66+19=85, Resulting Numbers: [85] 85,53 unequal: No Solution Exploring Operation: 66-19=47, Resulting Numbers: [47] 47,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[77, 24], Operations: ['96-27=69', '93-69=24'] Exploring Operation: 77+24=101, Resulting Numbers: [101] 101,53 unequal: No Solution Exploring Operation: 77-24=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[93, 77, 96, 27], Operations: [] Exploring Operation: 96-27=69, Resulting Numbers: [93, 77, 69] Generated Node #0,1: 53:[93, 77, 69] Operation: 96-27=69 Moving to Node #0,1 Current State: 53:[93, 77, 69], Operations: ['96-27=69'] Exploring Operation: 93-69=24, Resulting Numbers: [77, 24] Generated Node #0,1,1: 53:[77, 24] Operation: 93-69=24 Moving to Node #0,1,1 Current State: 53:[77, 24], Operations: ['96-27=69', '93-69=24'] Exploring Operation: 77-24=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 71, 8, 76, 40 ]
43
[ "71+8=79", "76-40=36", "79-36=43" ]
Current State: 43:[71, 8, 76, 40], Operations: [] Exploring Operation: 71+8=79, Resulting Numbers: [76, 40, 79] Generated Node #2: [76, 40, 79] from Operation: 71+8=79 Current State: 43:[76, 40, 79], Operations: ['71+8=79'] Exploring Operation: 76-40=36, Resulting Numbers: [79, 36] Generated Node #3: [79, 36] from Operation: 76-40=36 Current State: 43:[79, 36], Operations: ['71+8=79', '76-40=36'] Exploring Operation: 79-36=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[71, 8, 76, 40], Operations: [] Exploring Operation: 76-8=68, Resulting Numbers: [71, 40, 68] Generated Node #0,0: 43:[71, 40, 68] Operation: 76-8=68 Exploring Operation: 8+40=48, Resulting Numbers: [71, 76, 48] Generated Node #0,1: 43:[71, 76, 48] Operation: 8+40=48 Exploring Operation: 71+8=79, Resulting Numbers: [76, 40, 79] Generated Node #0,2: 43:[76, 40, 79] Operation: 71+8=79 Exploring Operation: 71-8=63, Resulting Numbers: [76, 40, 63] Generated Node #0,3: 43:[76, 40, 63] Operation: 71-8=63 Exploring Operation: 76-40=36, Resulting Numbers: [71, 8, 36] Generated Node #0,4: 43:[71, 8, 36] Operation: 76-40=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[71, 40, 68], Operations: ['76-8=68'] Exploring Operation: 40+68=108, Resulting Numbers: [71, 108] Generated Node #0,0,0: 43:[71, 108] Operation: 40+68=108 Exploring Operation: 71-68=3, Resulting Numbers: [40, 3] Generated Node #0,0,1: 43:[40, 3] Operation: 71-68=3 Exploring Operation: 68-40=28, Resulting Numbers: [71, 28] Generated Node #0,0,2: 43:[71, 28] Operation: 68-40=28 Exploring Operation: 71+40=111, Resulting Numbers: [68, 111] Generated Node #0,0,3: 43:[68, 111] Operation: 71+40=111 Exploring Operation: 71-40=31, Resulting Numbers: [68, 31] Generated Node #0,0,4: 43:[68, 31] Operation: 71-40=31 Moving to Node #0,0,4 Current State: 43:[68, 31], Operations: ['76-8=68', '71-40=31'] Exploring Operation: 68*31=2108, Resulting Numbers: [2108] 2108,43 unequal: No Solution Exploring Operation: 68+31=99, Resulting Numbers: [99] 99,43 unequal: No Solution Exploring Operation: 68-31=37, Resulting Numbers: [37] 37,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[71, 28], Operations: ['76-8=68', '68-40=28'] Exploring Operation: 71-28=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[71, 8, 76, 40], Operations: [] Exploring Operation: 76-8=68, Resulting Numbers: [71, 40, 68] Generated Node #0,0: 43:[71, 40, 68] Operation: 76-8=68 Moving to Node #0,0 Current State: 43:[71, 40, 68], Operations: ['76-8=68'] Exploring Operation: 68-40=28, Resulting Numbers: [71, 28] Generated Node #0,0,2: 43:[71, 28] Operation: 68-40=28 Moving to Node #0,0,2 Current State: 43:[71, 28], Operations: ['76-8=68', '68-40=28'] Exploring Operation: 71-28=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 4, 95, 20, 75 ]
44
[ "4+95=99", "75-20=55", "99-55=44" ]
Current State: 44:[4, 95, 20, 75], Operations: [] Exploring Operation: 4+95=99, Resulting Numbers: [20, 75, 99] Generated Node #2: [20, 75, 99] from Operation: 4+95=99 Current State: 44:[20, 75, 99], Operations: ['4+95=99'] Exploring Operation: 75-20=55, Resulting Numbers: [99, 55] Generated Node #3: [99, 55] from Operation: 75-20=55 Current State: 44:[99, 55], Operations: ['4+95=99', '75-20=55'] Exploring Operation: 99-55=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[4, 95, 20, 75], Operations: [] Exploring Operation: 95-20=75, Resulting Numbers: [4, 75, 75] Generated Node #0,0: 44:[4, 75, 75] Operation: 95-20=75 Exploring Operation: 95-75=20, Resulting Numbers: [4, 20, 20] Generated Node #0,1: 44:[4, 20, 20] Operation: 95-75=20 Exploring Operation: 75-20=55, Resulting Numbers: [4, 95, 55] Generated Node #0,2: 44:[4, 95, 55] Operation: 75-20=55 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[4, 20, 20], Operations: ['95-75=20'] Exploring Operation: 20/4=5, Resulting Numbers: [20, 5] Generated Node #0,1,0: 44:[20, 5] Operation: 20/4=5 Exploring Operation: 20-20=0, Resulting Numbers: [4, 0] Generated Node #0,1,1: 44:[4, 0] Operation: 20-20=0 Exploring Operation: 20/20=1, Resulting Numbers: [4, 1] Generated Node #0,1,2: 44:[4, 1] Operation: 20/20=1 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 44:[4, 1], Operations: ['95-75=20', '20/20=1'] Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,44 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,44 unequal: No Solution No 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: 44:[4, 0], Operations: ['95-75=20', '20-20=0'] Exploring Operation: 4+0=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 4*0=0, Resulting Numbers: [0] 0,44 unequal: No Solution Exploring Operation: 4-0=4, Resulting Numbers: [4] 4,44 unequal: No Solution No 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: 44:[20, 5], Operations: ['95-75=20', '20/4=5'] Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,44 unequal: No Solution Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,44 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: 44:[4, 75, 75], Operations: ['95-20=75'] Exploring Operation: 75-4=71, Resulting Numbers: [75, 71] Generated Node #0,0,0: 44:[75, 71] Operation: 75-4=71 Exploring Operation: 75-75=0, Resulting Numbers: [4, 0] Generated Node #0,0,1: 44:[4, 0] Operation: 75-75=0 Exploring Operation: 75/75=1, Resulting Numbers: [4, 1] Generated Node #0,0,2: 44:[4, 1] Operation: 75/75=1 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 44:[4, 1], Operations: ['95-20=75', '75/75=1'] Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,44 unequal: No Solution No 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: 44:[4, 0], Operations: ['95-20=75', '75-75=0'] Exploring Operation: 4+0=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 4*0=0, Resulting Numbers: [0] 0,44 unequal: No Solution Exploring Operation: 4-0=4, Resulting Numbers: [4] 4,44 unequal: No Solution No 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: 44:[75, 71], Operations: ['95-20=75', '75-4=71'] Exploring Operation: 75+71=146, Resulting Numbers: [146] 146,44 unequal: No Solution Exploring Operation: 75-71=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 75*71=5325, Resulting Numbers: [5325] 5325,44 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: 44:[4, 95, 55], Operations: ['75-20=55'] Exploring Operation: 95-4=91, Resulting Numbers: [55, 91] Generated Node #0,2,0: 44:[55, 91] Operation: 95-4=91 Exploring Operation: 55-4=51, Resulting Numbers: [95, 51] Generated Node #0,2,1: 44:[95, 51] Operation: 55-4=51 Exploring Operation: 95-55=40, Resulting Numbers: [4, 40] Generated Node #0,2,2: 44:[4, 40] Operation: 95-55=40 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 44:[4, 40], Operations: ['75-20=55', '95-55=40'] Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[4, 95, 20, 75], Operations: [] Exploring Operation: 75-20=55, Resulting Numbers: [4, 95, 55] Generated Node #0,2: 44:[4, 95, 55] Operation: 75-20=55 Moving to Node #0,2 Current State: 44:[4, 95, 55], Operations: ['75-20=55'] Exploring Operation: 95-55=40, Resulting Numbers: [4, 40] Generated Node #0,2,2: 44:[4, 40] Operation: 95-55=40 Moving to Node #0,2,2 Current State: 44:[4, 40], Operations: ['75-20=55', '95-55=40'] Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_3
sum_heuristic
[ 86, 43, 86, 58 ]
60
[ "86-43=43", "86/43=2", "58+2=60" ]
Current State: 60:[86, 43, 86, 58], Operations: [] Exploring Operation: 86-43=43, Resulting Numbers: [58, 43] Generated Node #2: [58, 43] from Operation: 86-43=43 Current State: 60:[58, 43], Operations: ['86-43=43'] Exploring Operation: 86/43=2, Resulting Numbers: [58, 2] Generated Node #3: [58, 2] from Operation: 86/43=2 Current State: 60:[58, 2], Operations: ['86-43=43', '86/43=2'] Exploring Operation: 58+2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[86, 43, 86, 58], Operations: [] Exploring Operation: 86/86=1, Resulting Numbers: [43, 58, 1] Generated Node #0,0: 60:[43, 58, 1] Operation: 86/86=1 Moving to Node #0,0 Current State: 60:[43, 58, 1], Operations: ['86/86=1'] Exploring Operation: 58-43=15, Resulting Numbers: [1, 15] Generated Node #0,0,0: 60:[1, 15] Operation: 58-43=15 Moving to Node #0,0,0 Current State: 60:[1, 15], Operations: ['86/86=1', '58-43=15'] Exploring Operation: 1*15=15, Resulting Numbers: [15] 15,60 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 70, 68, 72, 2 ]
73
[ "70-68=2", "2/2=1", "72+1=73" ]
Current State: 73:[70, 68, 72, 2], Operations: [] Exploring Operation: 70-68=2, Resulting Numbers: [72, 2, 2] Generated Node #2: [72, 2, 2] from Operation: 70-68=2 Current State: 73:[72, 2, 2], Operations: ['70-68=2'] Exploring Operation: 2/2=1, Resulting Numbers: [72, 1] Generated Node #3: [72, 1] from Operation: 2/2=1 Current State: 73:[72, 1], Operations: ['70-68=2', '2/2=1'] Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[70, 68, 72, 2], Operations: [] Exploring Operation: 68+2=70, Resulting Numbers: [70, 72, 70] Generated Node #0,0: 73:[70, 72, 70] Operation: 68+2=70 Exploring Operation: 70+2=72, Resulting Numbers: [68, 72, 72] Generated Node #0,1: 73:[68, 72, 72] Operation: 70+2=72 Moving to Node #0,0 Current State: 73:[70, 72, 70], Operations: ['68+2=70'] Exploring Operation: 70+72=142, Resulting Numbers: [70, 142] Generated Node #0,0,0: 73:[70, 142] Operation: 70+72=142 Exploring Operation: 70+70=140, Resulting Numbers: [72, 140] Generated Node #0,0,1: 73:[72, 140] Operation: 70+70=140 Moving to Node #0,1 Current State: 73:[68, 72, 72], Operations: ['70+2=72'] Exploring Operation: 68+72=140, Resulting Numbers: [72, 140] Generated Node #0,1,0: 73:[72, 140] Operation: 68+72=140 Exploring Operation: 68+72=140, Resulting Numbers: [72, 140] Generated Node #0,1,1: 73:[72, 140] Operation: 68+72=140 Moving to Node #0,0,1 Current State: 73:[72, 140], Operations: ['68+2=70', '70+70=140'] Exploring Operation: 140-72=68, Resulting Numbers: [68] 68,73 unequal: No Solution Exploring Operation: 72+140=212, Resulting Numbers: [212] 212,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[72, 140], Operations: ['70+2=72', '68+72=140'] Exploring Operation: 140-72=68, Resulting Numbers: [68] 68,73 unequal: No Solution Exploring Operation: 72+140=212, Resulting Numbers: [212] 212,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[72, 140], Operations: ['70+2=72', '68+72=140'] Exploring Operation: 140-72=68, Resulting Numbers: [68] 68,73 unequal: No Solution Exploring Operation: 72+140=212, Resulting Numbers: [212] 212,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[70, 142], Operations: ['68+2=70', '70+72=142'] Exploring Operation: 70+142=212, Resulting Numbers: [212] 212,73 unequal: No Solution Exploring Operation: 142-70=72, Resulting Numbers: [72] 72,73 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 15, 46, 61, 4 ]
27
[ "15+61=76", "76/4=19", "46-19=27" ]
Current State: 27:[15, 46, 61, 4], Operations: [] Exploring Operation: 15+61=76, Resulting Numbers: [46, 4, 76] Generated Node #2: [46, 4, 76] from Operation: 15+61=76 Current State: 27:[46, 4, 76], Operations: ['15+61=76'] Exploring Operation: 76/4=19, Resulting Numbers: [46, 19] Generated Node #3: [46, 19] from Operation: 76/4=19 Current State: 27:[46, 19], Operations: ['15+61=76', '76/4=19'] Exploring Operation: 46-19=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[15, 46, 61, 4], Operations: [] Exploring Operation: 61-46=15, Resulting Numbers: [15, 4, 15] Generated Node #0,0: 27:[15, 4, 15] Operation: 61-46=15 Moving to Node #0,0 Current State: 27:[15, 4, 15], Operations: ['61-46=15'] Exploring Operation: 15/15=1, Resulting Numbers: [4, 1] Generated Node #0,0,0: 27:[4, 1] Operation: 15/15=1 Moving to Node #0,0,0 Current State: 27:[4, 1], Operations: ['61-46=15', '15/15=1'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,27 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 51, 50, 2, 69 ]
59
[ "69-51=18", "18/2=9", "50+9=59" ]
Current State: 59:[51, 50, 2, 69], Operations: [] Exploring Operation: 69-51=18, Resulting Numbers: [50, 2, 18] Generated Node #2: [50, 2, 18] from Operation: 69-51=18 Current State: 59:[50, 2, 18], Operations: ['69-51=18'] Exploring Operation: 18/2=9, Resulting Numbers: [50, 9] Generated Node #3: [50, 9] from Operation: 18/2=9 Current State: 59:[50, 9], Operations: ['69-51=18', '18/2=9'] Exploring Operation: 50+9=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[51, 50, 2, 69], Operations: [] Exploring Operation: 50+2=52, Resulting Numbers: [51, 69, 52] Generated Node #0,0: 59:[51, 69, 52] Operation: 50+2=52 Exploring Operation: 51-2=49, Resulting Numbers: [50, 69, 49] Generated Node #0,1: 59:[50, 69, 49] Operation: 51-2=49 Exploring Operation: 51+2=53, Resulting Numbers: [50, 69, 53] Generated Node #0,2: 59:[50, 69, 53] Operation: 51+2=53 Exploring Operation: 50-2=48, Resulting Numbers: [51, 69, 48] Generated Node #0,3: 59:[51, 69, 48] Operation: 50-2=48 Exploring Operation: 69-2=67, Resulting Numbers: [51, 50, 67] Generated Node #0,4: 59:[51, 50, 67] Operation: 69-2=67 Moving to Node #0,0 Current State: 59:[51, 69, 52], Operations: ['50+2=52'] Exploring Operation: 69-52=17, Resulting Numbers: [51, 17] Generated Node #0,0,0: 59:[51, 17] Operation: 69-52=17 Exploring Operation: 52-51=1, Resulting Numbers: [69, 1] Generated Node #0,0,1: 59:[69, 1] Operation: 52-51=1 Exploring Operation: 51+69=120, Resulting Numbers: [52, 120] Generated Node #0,0,2: 59:[52, 120] Operation: 51+69=120 Exploring Operation: 69-51=18, Resulting Numbers: [52, 18] Generated Node #0,0,3: 59:[52, 18] Operation: 69-51=18 Exploring Operation: 51+52=103, Resulting Numbers: [69, 103] Generated Node #0,0,4: 59:[69, 103] Operation: 51+52=103 Moving to Node #0,4 Current State: 59:[51, 50, 67], Operations: ['69-2=67'] Exploring Operation: 51+50=101, Resulting Numbers: [67, 101] Generated Node #0,4,0: 59:[67, 101] Operation: 51+50=101 Exploring Operation: 67-50=17, Resulting Numbers: [51, 17] Generated Node #0,4,1: 59:[51, 17] Operation: 67-50=17 Exploring Operation: 51-50=1, Resulting Numbers: [67, 1] Generated Node #0,4,2: 59:[67, 1] Operation: 51-50=1 Exploring Operation: 67-51=16, Resulting Numbers: [50, 16] Generated Node #0,4,3: 59:[50, 16] Operation: 67-51=16 Exploring Operation: 50+67=117, Resulting Numbers: [51, 117] Generated Node #0,4,4: 59:[51, 117] Operation: 50+67=117 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 59:[67, 101], Operations: ['69-2=67', '51+50=101'] Exploring Operation: 67+101=168, Resulting Numbers: [168] 168,59 unequal: No Solution Exploring Operation: 67*101=6767, Resulting Numbers: [6767] 6767,59 unequal: No Solution Exploring Operation: 101-67=34, Resulting Numbers: [34] 34,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 59:[51, 17], Operations: ['69-2=67', '67-50=17'] Exploring Operation: 51*17=867, Resulting Numbers: [867] 867,59 unequal: No Solution Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,59 unequal: No Solution Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,59 unequal: No Solution Exploring Operation: 51+17=68, Resulting Numbers: [68] 68,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 59:[50, 16], Operations: ['69-2=67', '67-51=16'] Exploring Operation: 50-16=34, Resulting Numbers: [34] 34,59 unequal: No Solution Exploring Operation: 50*16=800, Resulting Numbers: [800] 800,59 unequal: No Solution Exploring Operation: 50+16=66, Resulting Numbers: [66] 66,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 59:[67, 1], Operations: ['69-2=67', '51-50=1'] Exploring Operation: 67+1=68, Resulting Numbers: [68] 68,59 unequal: No Solution Exploring Operation: 67-1=66, Resulting Numbers: [66] 66,59 unequal: No Solution Exploring Operation: 67/1=67, Resulting Numbers: [67] 67,59 unequal: No Solution Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 59:[51, 117], Operations: ['69-2=67', '50+67=117'] Exploring Operation: 51+117=168, Resulting Numbers: [168] 168,59 unequal: No Solution Exploring Operation: 51*117=5967, Resulting Numbers: [5967] 5967,59 unequal: No Solution Exploring Operation: 117-51=66, Resulting Numbers: [66] 66,59 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: 59:[50, 69, 53], Operations: ['51+2=53'] Exploring Operation: 50+69=119, Resulting Numbers: [53, 119] Generated Node #0,2,0: 59:[53, 119] Operation: 50+69=119 Exploring Operation: 69-50=19, Resulting Numbers: [53, 19] Generated Node #0,2,1: 59:[53, 19] Operation: 69-50=19 Exploring Operation: 50+53=103, Resulting Numbers: [69, 103] Generated Node #0,2,2: 59:[69, 103] Operation: 50+53=103 Exploring Operation: 69-53=16, Resulting Numbers: [50, 16] Generated Node #0,2,3: 59:[50, 16] Operation: 69-53=16 Exploring Operation: 53-50=3, Resulting Numbers: [69, 3] Generated Node #0,2,4: 59:[69, 3] Operation: 53-50=3 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 59:[53, 19], Operations: ['51+2=53', '69-50=19'] Exploring Operation: 53-19=34, Resulting Numbers: [34] 34,59 unequal: No Solution Exploring Operation: 53*19=1007, Resulting Numbers: [1007] 1007,59 unequal: No Solution Exploring Operation: 53+19=72, Resulting Numbers: [72] 72,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 59:[50, 16], Operations: ['51+2=53', '69-53=16'] Exploring Operation: 50-16=34, Resulting Numbers: [34] 34,59 unequal: No Solution Exploring Operation: 50*16=800, Resulting Numbers: [800] 800,59 unequal: No Solution Exploring Operation: 50+16=66, Resulting Numbers: [66] 66,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 59:[69, 103], Operations: ['51+2=53', '50+53=103'] Exploring Operation: 103-69=34, Resulting Numbers: [34] 34,59 unequal: No Solution Exploring Operation: 69*103=7107, Resulting Numbers: [7107] 7107,59 unequal: No Solution Exploring Operation: 69+103=172, Resulting Numbers: [172] 172,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 59:[53, 119], Operations: ['51+2=53', '50+69=119'] Exploring Operation: 53+119=172, Resulting Numbers: [172] 172,59 unequal: No Solution Exploring Operation: 53*119=6307, Resulting Numbers: [6307] 6307,59 unequal: No Solution Exploring Operation: 119-53=66, Resulting Numbers: [66] 66,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 59:[69, 3], Operations: ['51+2=53', '53-50=3'] Exploring Operation: 69+3=72, Resulting Numbers: [72] 72,59 unequal: No Solution Exploring Operation: 69*3=207, Resulting Numbers: [207] 207,59 unequal: No Solution Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,59 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,59 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: 59:[50, 69, 49], Operations: ['51-2=49'] Exploring Operation: 69-49=20, Resulting Numbers: [50, 20] Generated Node #0,1,0: 59:[50, 20] Operation: 69-49=20 Exploring Operation: 50+49=99, Resulting Numbers: [69, 99] Generated Node #0,1,1: 59:[69, 99] Operation: 50+49=99 Exploring Operation: 50-49=1, Resulting Numbers: [69, 1] Generated Node #0,1,2: 59:[69, 1] Operation: 50-49=1 Exploring Operation: 69-50=19, Resulting Numbers: [49, 19] Generated Node #0,1,3: 59:[49, 19] Operation: 69-50=19 Exploring Operation: 69+49=118, Resulting Numbers: [50, 118] Generated Node #0,1,4: 59:[50, 118] Operation: 69+49=118 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[50, 20], Operations: ['51-2=49', '69-49=20'] Exploring Operation: 50*20=1000, Resulting Numbers: [1000] 1000,59 unequal: No Solution Exploring Operation: 50+20=70, Resulting Numbers: [70] 70,59 unequal: No Solution Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 59:[69, 99], Operations: ['51-2=49', '50+49=99'] Exploring Operation: 99-69=30, Resulting Numbers: [30] 30,59 unequal: No Solution Exploring Operation: 69+99=168, Resulting Numbers: [168] 168,59 unequal: No Solution Exploring Operation: 69*99=6831, Resulting Numbers: [6831] 6831,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 59:[49, 19], Operations: ['51-2=49', '69-50=19'] Exploring Operation: 49*19=931, Resulting Numbers: [931] 931,59 unequal: No Solution Exploring Operation: 49-19=30, Resulting Numbers: [30] 30,59 unequal: No Solution Exploring Operation: 49+19=68, Resulting Numbers: [68] 68,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 59:[69, 1], Operations: ['51-2=49', '50-49=1'] Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,59 unequal: No Solution Exploring Operation: 69/1=69, Resulting Numbers: [69] 69,59 unequal: No Solution Exploring Operation: 69*1=69, Resulting Numbers: [69] 69,59 unequal: No Solution Exploring Operation: 69+1=70, Resulting Numbers: [70] 70,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 59:[50, 118], Operations: ['51-2=49', '69+49=118'] Exploring Operation: 50*118=5900, Resulting Numbers: [5900] 5900,59 unequal: No Solution Exploring Operation: 50+118=168, Resulting Numbers: [168] 168,59 unequal: No Solution Exploring Operation: 118-50=68, Resulting Numbers: [68] 68,59 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: 59:[51, 69, 48], Operations: ['50-2=48'] Exploring Operation: 51+48=99, Resulting Numbers: [69, 99] Generated Node #0,3,0: 59:[69, 99] Operation: 51+48=99 Exploring Operation: 69-48=21, Resulting Numbers: [51, 21] Generated Node #0,3,1: 59:[51, 21] Operation: 69-48=21 Exploring Operation: 51-48=3, Resulting Numbers: [69, 3] Generated Node #0,3,2: 59:[69, 3] Operation: 51-48=3 Exploring Operation: 69-51=18, Resulting Numbers: [48, 18] Generated Node #0,3,3: 59:[48, 18] Operation: 69-51=18 Exploring Operation: 69+48=117, Resulting Numbers: [51, 117] Generated Node #0,3,4: 59:[51, 117] Operation: 69+48=117 Moving to Node #0,3,1 Current State: 59:[51, 21], Operations: ['50-2=48', '69-48=21'] Exploring Operation: 51+21=72, Resulting Numbers: [72] 72,59 unequal: No Solution Exploring Operation: 51*21=1071, Resulting Numbers: [1071] 1071,59 unequal: No Solution Exploring Operation: 51-21=30, Resulting Numbers: [30] 30,59 unequal: No Solution Moving to Node #0,0,3 Current State: 59:[52, 18], Operations: ['50+2=52', '69-51=18'] Exploring Operation: 52-18=34, Resulting Numbers: [34] 34,59 unequal: No Solution Exploring Operation: 52+18=70, Resulting Numbers: [70] 70,59 unequal: No Solution Exploring Operation: 52*18=936, Resulting Numbers: [936] 936,59 unequal: No Solution Moving to Node #0,3,0 Current State: 59:[69, 99], Operations: ['50-2=48', '51+48=99'] Exploring Operation: 69*99=6831, Resulting Numbers: [6831] 6831,59 unequal: No Solution Exploring Operation: 69+99=168, Resulting Numbers: [168] 168,59 unequal: No Solution Exploring Operation: 99-69=30, Resulting Numbers: [30] 30,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[51, 17], Operations: ['50+2=52', '69-52=17'] Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,59 unequal: No Solution Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,59 unequal: No Solution Exploring Operation: 51+17=68, Resulting Numbers: [68] 68,59 unequal: No Solution Exploring Operation: 51*17=867, Resulting Numbers: [867] 867,59 unequal: No Solution Moving to Node #0,3,3 Current State: 59:[48, 18], Operations: ['50-2=48', '69-51=18'] Exploring Operation: 48*18=864, Resulting Numbers: [864] 864,59 unequal: No Solution Exploring Operation: 48+18=66, Resulting Numbers: [66] 66,59 unequal: No Solution Exploring Operation: 48-18=30, Resulting Numbers: [30] 30,59 unequal: No Solution Moving to Node #0,0,4 Current State: 59:[69, 103], Operations: ['50+2=52', '51+52=103'] Exploring Operation: 103-69=34, Resulting Numbers: [34] 34,59 unequal: No Solution Exploring Operation: 69*103=7107, Resulting Numbers: [7107] 7107,59 unequal: No Solution Exploring Operation: 69+103=172, Resulting Numbers: [172] 172,59 unequal: No Solution Moving to Node #0,3,2 Current State: 59:[69, 3], Operations: ['50-2=48', '51-48=3'] Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,59 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,59 unequal: No Solution Exploring Operation: 69*3=207, Resulting Numbers: [207] 207,59 unequal: No Solution Exploring Operation: 69+3=72, Resulting Numbers: [72] 72,59 unequal: No Solution Moving to Node #0,3,4 Current State: 59:[51, 117], Operations: ['50-2=48', '69+48=117'] Exploring Operation: 51+117=168, Resulting Numbers: [168] 168,59 unequal: No Solution Exploring Operation: 51*117=5967, Resulting Numbers: [5967] 5967,59 unequal: No Solution Exploring Operation: 117-51=66, Resulting Numbers: [66] 66,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[69, 1], Operations: ['50+2=52', '52-51=1'] Exploring Operation: 69*1=69, Resulting Numbers: [69] 69,59 unequal: No Solution Exploring Operation: 69+1=70, Resulting Numbers: [70] 70,59 unequal: No Solution Exploring Operation: 69/1=69, Resulting Numbers: [69] 69,59 unequal: No Solution Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[52, 120], Operations: ['50+2=52', '51+69=120'] Exploring Operation: 120-52=68, Resulting Numbers: [68] 68,59 unequal: No Solution Exploring Operation: 52+120=172, Resulting Numbers: [172] 172,59 unequal: No Solution Exploring Operation: 52*120=6240, Resulting Numbers: [6240] 6240,59 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 84, 5, 14, 39 ]
23
[ "84-39=45", "45/5=9", "14+9=23" ]
Current State: 23:[84, 5, 14, 39], Operations: [] Exploring Operation: 84-39=45, Resulting Numbers: [5, 14, 45] Generated Node #2: [5, 14, 45] from Operation: 84-39=45 Current State: 23:[5, 14, 45], Operations: ['84-39=45'] Exploring Operation: 45/5=9, Resulting Numbers: [14, 9] Generated Node #3: [14, 9] from Operation: 45/5=9 Current State: 23:[14, 9], Operations: ['84-39=45', '45/5=9'] Exploring Operation: 14+9=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[84, 5, 14, 39], Operations: [] Exploring Operation: 84-39=45, Resulting Numbers: [5, 14, 45] Generated Node #0,0: 23:[5, 14, 45] Operation: 84-39=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[5, 14, 45], Operations: ['84-39=45'] Exploring Operation: 45/5=9, Resulting Numbers: [14, 9] Generated Node #0,0,0: 23:[14, 9] Operation: 45/5=9 Moving to Node #0,0,0 Current State: 23:[14, 9], Operations: ['84-39=45', '45/5=9'] Exploring Operation: 14+9=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[84, 5, 14, 39], Operations: [] Exploring Operation: 84-39=45, Resulting Numbers: [5, 14, 45] Generated Node #0,0: 23:[5, 14, 45] Operation: 84-39=45 Moving to Node #0,0 Current State: 23:[5, 14, 45], Operations: ['84-39=45'] Exploring Operation: 45/5=9, Resulting Numbers: [14, 9] Generated Node #0,0,0: 23:[14, 9] Operation: 45/5=9 Moving to Node #0,0,0 Current State: 23:[14, 9], Operations: ['84-39=45', '45/5=9'] Exploring Operation: 14+9=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 99, 23, 12, 26 ]
45
[ "26-23=3", "99/3=33", "12+33=45" ]
Current State: 45:[99, 23, 12, 26], Operations: [] Exploring Operation: 26-23=3, Resulting Numbers: [99, 12, 3] Generated Node #2: [99, 12, 3] from Operation: 26-23=3 Current State: 45:[99, 12, 3], Operations: ['26-23=3'] Exploring Operation: 99/3=33, Resulting Numbers: [12, 33] Generated Node #3: [12, 33] from Operation: 99/3=33 Current State: 45:[12, 33], Operations: ['26-23=3', '99/3=33'] Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[99, 23, 12, 26], Operations: [] Exploring Operation: 99-26=73, Resulting Numbers: [23, 12, 73] Generated Node #0,0: 45:[23, 12, 73] Operation: 99-26=73 Moving to Node #0,0 Current State: 45:[23, 12, 73], Operations: ['99-26=73'] Exploring Operation: 73-23=50, Resulting Numbers: [12, 50] Generated Node #0,0,0: 45:[12, 50] Operation: 73-23=50 Moving to Node #0,0,0 Current State: 45:[12, 50], Operations: ['99-26=73', '73-23=50'] Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,45 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 5, 72, 8, 15 ]
37
[ "15-8=7", "5*7=35", "72-35=37" ]
Current State: 37:[5, 72, 8, 15], Operations: [] Exploring Operation: 15-8=7, Resulting Numbers: [5, 72, 7] Generated Node #2: [5, 72, 7] from Operation: 15-8=7 Current State: 37:[5, 72, 7], Operations: ['15-8=7'] Exploring Operation: 5*7=35, Resulting Numbers: [72, 35] Generated Node #3: [72, 35] from Operation: 5*7=35 Current State: 37:[72, 35], Operations: ['15-8=7', '5*7=35'] Exploring Operation: 72-35=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[5, 72, 8, 15], Operations: [] Exploring Operation: 72-5=67, Resulting Numbers: [8, 15, 67] Generated Node #0,0: 37:[8, 15, 67] Operation: 72-5=67 Exploring Operation: 5*8=40, Resulting Numbers: [72, 15, 40] Generated Node #0,1: 37:[72, 15, 40] Operation: 5*8=40 Exploring Operation: 5+8=13, Resulting Numbers: [72, 15, 13] Generated Node #0,2: 37:[72, 15, 13] Operation: 5+8=13 Moving to Node #0,1 Current State: 37:[72, 15, 40], Operations: ['5*8=40'] Exploring Operation: 72-15=57, Resulting Numbers: [40, 57] Generated Node #0,1,0: 37:[40, 57] Operation: 72-15=57 Exploring Operation: 72-40=32, Resulting Numbers: [15, 32] Generated Node #0,1,1: 37:[15, 32] Operation: 72-40=32 Exploring Operation: 40-15=25, Resulting Numbers: [72, 25] Generated Node #0,1,2: 37:[72, 25] Operation: 40-15=25 Moving to Node #0,0 Current State: 37:[8, 15, 67], Operations: ['72-5=67'] Exploring Operation: 67-8=59, Resulting Numbers: [15, 59] Generated Node #0,0,0: 37:[15, 59] Operation: 67-8=59 Exploring Operation: 67-15=52, Resulting Numbers: [8, 52] Generated Node #0,0,1: 37:[8, 52] Operation: 67-15=52 Exploring Operation: 8+15=23, Resulting Numbers: [67, 23] Generated Node #0,0,2: 37:[67, 23] Operation: 8+15=23 Moving to Node #0,2 Current State: 37:[72, 15, 13], Operations: ['5+8=13'] Exploring Operation: 72-13=59, Resulting Numbers: [15, 59] Generated Node #0,2,0: 37:[15, 59] Operation: 72-13=59 Exploring Operation: 72-15=57, Resulting Numbers: [13, 57] Generated Node #0,2,1: 37:[13, 57] Operation: 72-15=57 Exploring Operation: 15+13=28, Resulting Numbers: [72, 28] Generated Node #0,2,2: 37:[72, 28] Operation: 15+13=28 Moving to Node #0,1,0 Current State: 37:[40, 57], Operations: ['5*8=40', '72-15=57'] Exploring Operation: 57-40=17, Resulting Numbers: [17] 17,37 unequal: No Solution Exploring Operation: 40*57=2280, Resulting Numbers: [2280] 2280,37 unequal: No Solution Exploring Operation: 40+57=97, Resulting Numbers: [97] 97,37 unequal: No Solution Moving to Node #0,1,1 Current State: 37:[15, 32], Operations: ['5*8=40', '72-40=32'] Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,37 unequal: No Solution Exploring Operation: 15*32=480, Resulting Numbers: [480] 480,37 unequal: No Solution Exploring Operation: 15+32=47, Resulting Numbers: [47] 47,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[67, 23], Operations: ['72-5=67', '8+15=23'] Exploring Operation: 67-23=44, Resulting Numbers: [44] 44,37 unequal: No Solution Exploring Operation: 67+23=90, Resulting Numbers: [90] 90,37 unequal: No Solution Exploring Operation: 67*23=1541, Resulting Numbers: [1541] 1541,37 unequal: No Solution Moving to Node #0,2,0 Current State: 37:[15, 59], Operations: ['5+8=13', '72-13=59'] Exploring Operation: 15+59=74, Resulting Numbers: [74] 74,37 unequal: No Solution Exploring Operation: 15*59=885, Resulting Numbers: [885] 885,37 unequal: No Solution Exploring Operation: 59-15=44, Resulting Numbers: [44] 44,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[13, 57], Operations: ['5+8=13', '72-15=57'] Exploring Operation: 13+57=70, Resulting Numbers: [70] 70,37 unequal: No Solution Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,37 unequal: No Solution Exploring Operation: 13*57=741, Resulting Numbers: [741] 741,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[8, 52], Operations: ['72-5=67', '67-15=52'] Exploring Operation: 8*52=416, Resulting Numbers: [416] 416,37 unequal: No Solution Exploring Operation: 52-8=44, Resulting Numbers: [44] 44,37 unequal: No Solution Exploring Operation: 8+52=60, Resulting Numbers: [60] 60,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[15, 59], Operations: ['72-5=67', '67-8=59'] Exploring Operation: 15*59=885, Resulting Numbers: [885] 885,37 unequal: No Solution Exploring Operation: 15+59=74, Resulting Numbers: [74] 74,37 unequal: No Solution Exploring Operation: 59-15=44, Resulting Numbers: [44] 44,37 unequal: No Solution Moving to Node #0,2,2 Current State: 37:[72, 28], Operations: ['5+8=13', '15+13=28'] Exploring Operation: 72+28=100, Resulting Numbers: [100] 100,37 unequal: No Solution Exploring Operation: 72-28=44, Resulting Numbers: [44] 44,37 unequal: No Solution Exploring Operation: 72*28=2016, Resulting Numbers: [2016] 2016,37 unequal: No Solution Moving to Node #0,1,2 Current State: 37:[72, 25], Operations: ['5*8=40', '40-15=25'] Exploring Operation: 72-25=47, Resulting Numbers: [47] 47,37 unequal: No Solution Exploring Operation: 72+25=97, Resulting Numbers: [97] 97,37 unequal: No Solution Exploring Operation: 72*25=1800, Resulting Numbers: [1800] 1800,37 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 85, 47, 11, 2 ]
51
[ "85-47=38", "11+2=13", "38+13=51" ]
Current State: 51:[85, 47, 11, 2], Operations: [] Exploring Operation: 85-47=38, Resulting Numbers: [11, 2, 38] Generated Node #2: [11, 2, 38] from Operation: 85-47=38 Current State: 51:[11, 2, 38], Operations: ['85-47=38'] Exploring Operation: 11+2=13, Resulting Numbers: [38, 13] Generated Node #3: [38, 13] from Operation: 11+2=13 Current State: 51:[38, 13], Operations: ['85-47=38', '11+2=13'] Exploring Operation: 38+13=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[85, 47, 11, 2], Operations: [] Exploring Operation: 85-2=83, Resulting Numbers: [47, 11, 83] Generated Node #0,0: 51:[47, 11, 83] Operation: 85-2=83 Exploring Operation: 85-11=74, Resulting Numbers: [47, 2, 74] Generated Node #0,1: 51:[47, 2, 74] Operation: 85-11=74 Exploring Operation: 85-47=38, Resulting Numbers: [11, 2, 38] Generated Node #0,2: 51:[11, 2, 38] Operation: 85-47=38 Exploring Operation: 47+11=58, Resulting Numbers: [85, 2, 58] Generated Node #0,3: 51:[85, 2, 58] Operation: 47+11=58 Moving to Node #0,2 Current State: 51:[11, 2, 38], Operations: ['85-47=38'] Exploring Operation: 38-11=27, Resulting Numbers: [2, 27] Generated Node #0,2,0: 51:[2, 27] Operation: 38-11=27 Exploring Operation: 11+38=49, Resulting Numbers: [2, 49] Generated Node #0,2,1: 51:[2, 49] Operation: 11+38=49 Exploring Operation: 11+2=13, Resulting Numbers: [38, 13] Generated Node #0,2,2: 51:[38, 13] Operation: 11+2=13 Exploring Operation: 38/2=19, Resulting Numbers: [11, 19] Generated Node #0,2,3: 51:[11, 19] Operation: 38/2=19 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 51:[2, 49], Operations: ['85-47=38', '11+38=49'] Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,51 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[85, 47, 11, 2], Operations: [] Exploring Operation: 85-47=38, Resulting Numbers: [11, 2, 38] Generated Node #0,2: 51:[11, 2, 38] Operation: 85-47=38 Moving to Node #0,2 Current State: 51:[11, 2, 38], Operations: ['85-47=38'] Exploring Operation: 11+38=49, Resulting Numbers: [2, 49] Generated Node #0,2,1: 51:[2, 49] Operation: 11+38=49 Moving to Node #0,2,1 Current State: 51:[2, 49], Operations: ['85-47=38', '11+38=49'] Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic