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
[ 40, 4, 94, 28 ]
86
[ "40-4=36", "94+28=122", "122-36=86" ]
Current State: 86:[40, 4, 94, 28], Operations: [] Exploring Operation: 40-4=36, Resulting Numbers: [94, 28, 36] Generated Node #2: [94, 28, 36] from Operation: 40-4=36 Current State: 86:[94, 28, 36], Operations: ['40-4=36'] Exploring Operation: 94+28=122, Resulting Numbers: [36, 122] Generated Node #3: [36, 122] from Operation: 94+28=122 Current State: 86:[36, 122], Operations: ['40-4=36', '94+28=122'] Exploring Operation: 122-36=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[40, 4, 94, 28], Operations: [] Exploring Operation: 40-28=12, Resulting Numbers: [4, 94, 12] Generated Node #0,0: 86:[4, 94, 12] Operation: 40-28=12 Exploring Operation: 28/4=7, Resulting Numbers: [40, 94, 7] Generated Node #0,1: 86:[40, 94, 7] Operation: 28/4=7 Moving to Node #0,1 Current State: 86:[40, 94, 7], Operations: ['28/4=7'] Exploring Operation: 40+7=47, Resulting Numbers: [94, 47] Generated Node #0,1,0: 86:[94, 47] Operation: 40+7=47 Exploring Operation: 94-7=87, Resulting Numbers: [40, 87] Generated Node #0,1,1: 86:[40, 87] Operation: 94-7=87 Moving to Node #0,0 Current State: 86:[4, 94, 12], Operations: ['40-28=12'] Exploring Operation: 94-12=82, Resulting Numbers: [4, 82] Generated Node #0,0,0: 86:[4, 82] Operation: 94-12=82 Exploring Operation: 12/4=3, Resulting Numbers: [94, 3] Generated Node #0,0,1: 86:[94, 3] Operation: 12/4=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[4, 82], Operations: ['40-28=12', '94-12=82'] Exploring Operation: 4+82=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[40, 4, 94, 28], Operations: [] Exploring Operation: 40-28=12, Resulting Numbers: [4, 94, 12] Generated Node #0,0: 86:[4, 94, 12] Operation: 40-28=12 Moving to Node #0,0 Current State: 86:[4, 94, 12], Operations: ['40-28=12'] Exploring Operation: 94-12=82, Resulting Numbers: [4, 82] Generated Node #0,0,0: 86:[4, 82] Operation: 94-12=82 Moving to Node #0,0,0 Current State: 86:[4, 82], Operations: ['40-28=12', '94-12=82'] Exploring Operation: 4+82=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 69, 11, 74, 66 ]
21
[ "69-66=3", "74-11=63", "63/3=21" ]
Current State: 21:[69, 11, 74, 66], Operations: [] Exploring Operation: 69-66=3, Resulting Numbers: [11, 74, 3] Generated Node #2: [11, 74, 3] from Operation: 69-66=3 Current State: 21:[11, 74, 3], Operations: ['69-66=3'] Exploring Operation: 74-11=63, Resulting Numbers: [3, 63] Generated Node #3: [3, 63] from Operation: 74-11=63 Current State: 21:[3, 63], Operations: ['69-66=3', '74-11=63'] Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[69, 11, 74, 66], Operations: [] Exploring Operation: 69-66=3, Resulting Numbers: [11, 74, 3] Generated Node #0,0: 21:[11, 74, 3] Operation: 69-66=3 Exploring Operation: 74-66=8, Resulting Numbers: [69, 11, 8] Generated Node #0,1: 21:[69, 11, 8] Operation: 74-66=8 Exploring Operation: 74-69=5, Resulting Numbers: [11, 66, 5] Generated Node #0,2: 21:[11, 66, 5] Operation: 74-69=5 Moving to Node #0,2 Current State: 21:[11, 66, 5], Operations: ['74-69=5'] Exploring Operation: 66/11=6, Resulting Numbers: [5, 6] Generated Node #0,2,0: 21:[5, 6] Operation: 66/11=6 Exploring Operation: 66-5=61, Resulting Numbers: [11, 61] Generated Node #0,2,1: 21:[11, 61] Operation: 66-5=61 Exploring Operation: 66-11=55, Resulting Numbers: [5, 55] Generated Node #0,2,2: 21:[5, 55] Operation: 66-11=55 Moving to Node #0,1 Current State: 21:[69, 11, 8], Operations: ['74-66=8'] Exploring Operation: 69-11=58, Resulting Numbers: [8, 58] Generated Node #0,1,0: 21:[8, 58] Operation: 69-11=58 Exploring Operation: 69-8=61, Resulting Numbers: [11, 61] Generated Node #0,1,1: 21:[11, 61] Operation: 69-8=61 Exploring Operation: 11-8=3, Resulting Numbers: [69, 3] Generated Node #0,1,2: 21:[69, 3] Operation: 11-8=3 Moving to Node #0,0 Current State: 21:[11, 74, 3], Operations: ['69-66=3'] Exploring Operation: 74-3=71, Resulting Numbers: [11, 71] Generated Node #0,0,0: 21:[11, 71] Operation: 74-3=71 Exploring Operation: 11-3=8, Resulting Numbers: [74, 8] Generated Node #0,0,1: 21:[74, 8] Operation: 11-3=8 Exploring Operation: 74-11=63, Resulting Numbers: [3, 63] Generated Node #0,0,2: 21:[3, 63] Operation: 74-11=63 Moving to Node #0,2,0 Current State: 21:[5, 6], Operations: ['74-69=5', '66/11=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,21 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,21 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,21 unequal: No Solution Moving to Node #0,2,2 Current State: 21:[5, 55], Operations: ['74-69=5', '66-11=55'] Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,21 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,21 unequal: No Solution Exploring Operation: 5+55=60, Resulting Numbers: [60] 60,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[8, 58], Operations: ['74-66=8', '69-11=58'] Exploring Operation: 8+58=66, Resulting Numbers: [66] 66,21 unequal: No Solution Exploring Operation: 8*58=464, Resulting Numbers: [464] 464,21 unequal: No Solution Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,21 unequal: No Solution Moving to Node #0,0,2 Current State: 21:[3, 63], Operations: ['69-66=3', '74-11=63'] Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[69, 11, 74, 66], Operations: [] Exploring Operation: 69-66=3, Resulting Numbers: [11, 74, 3] Generated Node #0,0: 21:[11, 74, 3] Operation: 69-66=3 Moving to Node #0,0 Current State: 21:[11, 74, 3], Operations: ['69-66=3'] Exploring Operation: 74-11=63, Resulting Numbers: [3, 63] Generated Node #0,0,2: 21:[3, 63] Operation: 74-11=63 Moving to Node #0,0,2 Current State: 21:[3, 63], Operations: ['69-66=3', '74-11=63'] Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
0.977431
hs_3
mult_heuristic
[ 88, 3, 94, 55 ]
53
[ "94-88=6", "6/3=2", "55-2=53" ]
Current State: 53:[88, 3, 94, 55], Operations: [] Exploring Operation: 94-88=6, Resulting Numbers: [3, 55, 6] Generated Node #2: [3, 55, 6] from Operation: 94-88=6 Current State: 53:[3, 55, 6], Operations: ['94-88=6'] Exploring Operation: 6/3=2, Resulting Numbers: [55, 2] Generated Node #3: [55, 2] from Operation: 6/3=2 Current State: 53:[55, 2], Operations: ['94-88=6', '6/3=2'] Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[88, 3, 94, 55], Operations: [] Exploring Operation: 88-3=85, Resulting Numbers: [94, 55, 85] Generated Node #0,0: 53:[94, 55, 85] Operation: 88-3=85 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[94, 55, 85], Operations: ['88-3=85'] Exploring Operation: 94-55=39, Resulting Numbers: [85, 39] Generated Node #0,0,0: 53:[85, 39] Operation: 94-55=39 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[85, 39], Operations: ['88-3=85', '94-55=39'] Exploring Operation: 85-39=46, Resulting Numbers: [46] 46,53 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 No solution found.
0
hs_1
mult_heuristic
[ 89, 7, 59, 33 ]
83
[ "89+59=148", "7*33=231", "231-148=83" ]
Current State: 83:[89, 7, 59, 33], Operations: [] Exploring Operation: 89+59=148, Resulting Numbers: [7, 33, 148] Generated Node #2: [7, 33, 148] from Operation: 89+59=148 Current State: 83:[7, 33, 148], Operations: ['89+59=148'] Exploring Operation: 7*33=231, Resulting Numbers: [148, 231] Generated Node #3: [148, 231] from Operation: 7*33=231 Current State: 83:[148, 231], Operations: ['89+59=148', '7*33=231'] Exploring Operation: 231-148=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[89, 7, 59, 33], Operations: [] Exploring Operation: 7+59=66, Resulting Numbers: [89, 33, 66] Generated Node #0,0: 83:[89, 33, 66] Operation: 7+59=66 Moving to Node #0,0 Current State: 83:[89, 33, 66], Operations: ['7+59=66'] Exploring Operation: 33+66=99, Resulting Numbers: [89, 99] Generated Node #0,0,0: 83:[89, 99] Operation: 33+66=99 Moving to Node #0,0,0 Current State: 83:[89, 99], Operations: ['7+59=66', '33+66=99'] Exploring Operation: 99-89=10, Resulting Numbers: [10] 10,83 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 69, 43, 93, 7 ]
26
[ "69+43=112", "93-7=86", "112-86=26" ]
Current State: 26:[69, 43, 93, 7], Operations: [] Exploring Operation: 69+43=112, Resulting Numbers: [93, 7, 112] Generated Node #2: [93, 7, 112] from Operation: 69+43=112 Current State: 26:[93, 7, 112], Operations: ['69+43=112'] Exploring Operation: 93-7=86, Resulting Numbers: [112, 86] Generated Node #3: [112, 86] from Operation: 93-7=86 Current State: 26:[112, 86], Operations: ['69+43=112', '93-7=86'] Exploring Operation: 112-86=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[69, 43, 93, 7], Operations: [] Exploring Operation: 93-69=24, Resulting Numbers: [43, 7, 24] Generated Node #0,0: 26:[43, 7, 24] Operation: 93-69=24 Exploring Operation: 69-43=26, Resulting Numbers: [93, 7, 26] Generated Node #0,1: 26:[93, 7, 26] Operation: 69-43=26 Moving to Node #0,0 Current State: 26:[43, 7, 24], Operations: ['93-69=24'] Exploring Operation: 43-24=19, Resulting Numbers: [7, 19] Generated Node #0,0,0: 26:[7, 19] Operation: 43-24=19 Exploring Operation: 43-7=36, Resulting Numbers: [24, 36] Generated Node #0,0,1: 26:[24, 36] Operation: 43-7=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[7, 19], Operations: ['93-69=24', '43-24=19'] Exploring Operation: 7+19=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[69, 43, 93, 7], Operations: [] Exploring Operation: 93-69=24, Resulting Numbers: [43, 7, 24] Generated Node #0,0: 26:[43, 7, 24] Operation: 93-69=24 Moving to Node #0,0 Current State: 26:[43, 7, 24], Operations: ['93-69=24'] Exploring Operation: 43-24=19, Resulting Numbers: [7, 19] Generated Node #0,0,0: 26:[7, 19] Operation: 43-24=19 Moving to Node #0,0,0 Current State: 26:[7, 19], Operations: ['93-69=24', '43-24=19'] Exploring Operation: 7+19=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 3, 31, 65, 9 ]
90
[ "3+31=34", "65-9=56", "34+56=90" ]
Current State: 90:[3, 31, 65, 9], Operations: [] Exploring Operation: 3+31=34, Resulting Numbers: [65, 9, 34] Generated Node #2: [65, 9, 34] from Operation: 3+31=34 Current State: 90:[65, 9, 34], Operations: ['3+31=34'] Exploring Operation: 65-9=56, Resulting Numbers: [34, 56] Generated Node #3: [34, 56] from Operation: 65-9=56 Current State: 90:[34, 56], Operations: ['3+31=34', '65-9=56'] Exploring Operation: 34+56=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[3, 31, 65, 9], Operations: [] Exploring Operation: 65-31=34, Resulting Numbers: [3, 9, 34] Generated Node #0,0: 90:[3, 9, 34] Operation: 65-31=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[3, 9, 34], Operations: ['65-31=34'] Exploring Operation: 34-3=31, Resulting Numbers: [9, 31] Generated Node #0,0,0: 90:[9, 31] Operation: 34-3=31 Moving to Node #0,0,0 Current State: 90:[9, 31], Operations: ['65-31=34', '34-3=31'] Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 8, 50, 77, 6 ]
13
[ "8+50=58", "77-6=71", "71-58=13" ]
Current State: 13:[8, 50, 77, 6], Operations: [] Exploring Operation: 8+50=58, Resulting Numbers: [77, 6, 58] Generated Node #2: [77, 6, 58] from Operation: 8+50=58 Current State: 13:[77, 6, 58], Operations: ['8+50=58'] Exploring Operation: 77-6=71, Resulting Numbers: [58, 71] Generated Node #3: [58, 71] from Operation: 77-6=71 Current State: 13:[58, 71], Operations: ['8+50=58', '77-6=71'] Exploring Operation: 71-58=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[8, 50, 77, 6], Operations: [] Exploring Operation: 77-8=69, Resulting Numbers: [50, 6, 69] Generated Node #0,0: 13:[50, 6, 69] Operation: 77-8=69 Exploring Operation: 77-50=27, Resulting Numbers: [8, 6, 27] Generated Node #0,1: 13:[8, 6, 27] Operation: 77-50=27 Exploring Operation: 50-8=42, Resulting Numbers: [77, 6, 42] Generated Node #0,2: 13:[77, 6, 42] Operation: 50-8=42 Exploring Operation: 50-6=44, Resulting Numbers: [8, 77, 44] Generated Node #0,3: 13:[8, 77, 44] Operation: 50-6=44 Moving to Node #0,1 Current State: 13:[8, 6, 27], Operations: ['77-50=27'] Exploring Operation: 27-6=21, Resulting Numbers: [8, 21] Generated Node #0,1,0: 13:[8, 21] Operation: 27-6=21 Exploring Operation: 27-8=19, Resulting Numbers: [6, 19] Generated Node #0,1,1: 13:[6, 19] Operation: 27-8=19 Exploring Operation: 8-6=2, Resulting Numbers: [27, 2] Generated Node #0,1,2: 13:[27, 2] Operation: 8-6=2 Exploring Operation: 8+6=14, Resulting Numbers: [27, 14] Generated Node #0,1,3: 13:[27, 14] Operation: 8+6=14 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[8, 21], Operations: ['77-50=27', '27-6=21'] Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,13 unequal: No Solution Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,13 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[8, 50, 77, 6], Operations: [] Exploring Operation: 77-50=27, Resulting Numbers: [8, 6, 27] Generated Node #0,1: 13:[8, 6, 27] Operation: 77-50=27 Moving to Node #0,1 Current State: 13:[8, 6, 27], Operations: ['77-50=27'] Exploring Operation: 27-6=21, Resulting Numbers: [8, 21] Generated Node #0,1,0: 13:[8, 21] Operation: 27-6=21 Moving to Node #0,1,0 Current State: 13:[8, 21], Operations: ['77-50=27', '27-6=21'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 48, 43, 57, 67 ]
33
[ "48+43=91", "57+67=124", "124-91=33" ]
Current State: 33:[48, 43, 57, 67], Operations: [] Exploring Operation: 48+43=91, Resulting Numbers: [57, 67, 91] Generated Node #2: [57, 67, 91] from Operation: 48+43=91 Current State: 33:[57, 67, 91], Operations: ['48+43=91'] Exploring Operation: 57+67=124, Resulting Numbers: [91, 124] Generated Node #3: [91, 124] from Operation: 57+67=124 Current State: 33:[91, 124], Operations: ['48+43=91', '57+67=124'] Exploring Operation: 124-91=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[48, 43, 57, 67], Operations: [] Exploring Operation: 57-48=9, Resulting Numbers: [43, 67, 9] Generated Node #0,0: 33:[43, 67, 9] Operation: 57-48=9 Exploring Operation: 67-48=19, Resulting Numbers: [43, 57, 19] Generated Node #0,1: 33:[43, 57, 19] Operation: 67-48=19 Exploring Operation: 67-43=24, Resulting Numbers: [48, 57, 24] Generated Node #0,2: 33:[48, 57, 24] Operation: 67-43=24 Exploring Operation: 57-43=14, Resulting Numbers: [48, 67, 14] Generated Node #0,3: 33:[48, 67, 14] Operation: 57-43=14 Exploring Operation: 67-57=10, Resulting Numbers: [48, 43, 10] Generated Node #0,4: 33:[48, 43, 10] Operation: 67-57=10 Start Sub Search at level 1: Moving to Node #0,4 Current State: 33:[48, 43, 10], Operations: ['67-57=10'] Exploring Operation: 43+10=53, Resulting Numbers: [48, 53] Generated Node #0,4,0: 33:[48, 53] Operation: 43+10=53 Exploring Operation: 43-10=33, Resulting Numbers: [48, 33] Generated Node #0,4,1: 33:[48, 33] Operation: 43-10=33 Exploring Operation: 48+10=58, Resulting Numbers: [43, 58] Generated Node #0,4,2: 33:[43, 58] Operation: 48+10=58 Exploring Operation: 48-43=5, Resulting Numbers: [10, 5] Generated Node #0,4,3: 33:[10, 5] Operation: 48-43=5 Exploring Operation: 48-10=38, Resulting Numbers: [43, 38] Generated Node #0,4,4: 33:[43, 38] Operation: 48-10=38 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 33:[10, 5], Operations: ['67-57=10', '48-43=5'] Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,33 unequal: No Solution Exploring Operation: 10*5=50, Resulting Numbers: [50] 50,33 unequal: No Solution Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,33 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 33:[48, 33], Operations: ['67-57=10', '43-10=33'] Exploring Operation: 48*33=1584, Resulting Numbers: [1584] 1584,33 unequal: No Solution Exploring Operation: 48+33=81, Resulting Numbers: [81] 81,33 unequal: No Solution Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 33:[43, 38], Operations: ['67-57=10', '48-10=38'] Exploring Operation: 43+38=81, Resulting Numbers: [81] 81,33 unequal: No Solution Exploring Operation: 43-38=5, Resulting Numbers: [5] 5,33 unequal: No Solution Exploring Operation: 43*38=1634, Resulting Numbers: [1634] 1634,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 33:[48, 53], Operations: ['67-57=10', '43+10=53'] Exploring Operation: 53-48=5, Resulting Numbers: [5] 5,33 unequal: No Solution Exploring Operation: 48*53=2544, Resulting Numbers: [2544] 2544,33 unequal: No Solution Exploring Operation: 48+53=101, Resulting Numbers: [101] 101,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 33:[43, 58], Operations: ['67-57=10', '48+10=58'] Exploring Operation: 43*58=2494, Resulting Numbers: [2494] 2494,33 unequal: No Solution Exploring Operation: 43+58=101, Resulting Numbers: [101] 101,33 unequal: No Solution Exploring Operation: 58-43=15, Resulting Numbers: [15] 15,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[43, 57, 19], Operations: ['67-48=19'] Exploring Operation: 57/19=3, Resulting Numbers: [43, 3] Generated Node #0,1,0: 33:[43, 3] Operation: 57/19=3 Exploring Operation: 57-19=38, Resulting Numbers: [43, 38] Generated Node #0,1,1: 33:[43, 38] Operation: 57-19=38 Exploring Operation: 43-19=24, Resulting Numbers: [57, 24] Generated Node #0,1,2: 33:[57, 24] Operation: 43-19=24 Exploring Operation: 43+19=62, Resulting Numbers: [57, 62] Generated Node #0,1,3: 33:[57, 62] Operation: 43+19=62 Exploring Operation: 57-43=14, Resulting Numbers: [19, 14] Generated Node #0,1,4: 33:[19, 14] Operation: 57-43=14 Moving to Node #0,1,0 Current State: 33:[43, 3], Operations: ['67-48=19', '57/19=3'] Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,33 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,33 unequal: No Solution Moving to Node #0,1,4 Current State: 33:[19, 14], Operations: ['67-48=19', '57-43=14'] Exploring Operation: 19*14=266, Resulting Numbers: [266] 266,33 unequal: No Solution Exploring Operation: 19+14=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[48, 43, 57, 67], Operations: [] Exploring Operation: 67-48=19, Resulting Numbers: [43, 57, 19] Generated Node #0,1: 33:[43, 57, 19] Operation: 67-48=19 Moving to Node #0,1 Current State: 33:[43, 57, 19], Operations: ['67-48=19'] Exploring Operation: 57-43=14, Resulting Numbers: [19, 14] Generated Node #0,1,4: 33:[19, 14] Operation: 57-43=14 Moving to Node #0,1,4 Current State: 33:[19, 14], Operations: ['67-48=19', '57-43=14'] Exploring Operation: 19+14=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_5
mult_heuristic
[ 8, 87, 95, 78 ]
79
[ "8+87=95", "95/95=1", "78+1=79" ]
Current State: 79:[8, 87, 95, 78], Operations: [] Exploring Operation: 8+87=95, Resulting Numbers: [95, 78, 95] Generated Node #2: [95, 78, 95] from Operation: 8+87=95 Current State: 79:[95, 78, 95], Operations: ['8+87=95'] Exploring Operation: 95/95=1, Resulting Numbers: [78, 1] Generated Node #3: [78, 1] from Operation: 95/95=1 Current State: 79:[78, 1], Operations: ['8+87=95', '95/95=1'] Exploring Operation: 78+1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[8, 87, 95, 78], Operations: [] Exploring Operation: 8+78=86, Resulting Numbers: [87, 95, 86] Generated Node #0,0: 79:[87, 95, 86] Operation: 8+78=86 Exploring Operation: 95-8=87, Resulting Numbers: [87, 78, 87] Generated Node #0,1: 79:[87, 78, 87] Operation: 95-8=87 Exploring Operation: 87-8=79, Resulting Numbers: [95, 78, 79] Generated Node #0,2: 79:[95, 78, 79] Operation: 87-8=79 Moving to Node #0,1 Current State: 79:[87, 78, 87], Operations: ['95-8=87'] Exploring Operation: 87-78=9, Resulting Numbers: [87, 9] Generated Node #0,1,0: 79:[87, 9] Operation: 87-78=9 Exploring Operation: 87-78=9, Resulting Numbers: [87, 9] Generated Node #0,1,1: 79:[87, 9] Operation: 87-78=9 Exploring Operation: 87/87=1, Resulting Numbers: [78, 1] Generated Node #0,1,2: 79:[78, 1] Operation: 87/87=1 Moving to Node #0,2 Current State: 79:[95, 78, 79], Operations: ['87-8=79'] Exploring Operation: 95-79=16, Resulting Numbers: [78, 16] Generated Node #0,2,0: 79:[78, 16] Operation: 95-79=16 Exploring Operation: 95+78=173, Resulting Numbers: [79, 173] Generated Node #0,2,1: 79:[79, 173] Operation: 95+78=173 Exploring Operation: 95-78=17, Resulting Numbers: [79, 17] Generated Node #0,2,2: 79:[79, 17] Operation: 95-78=17 Moving to Node #0,0 Current State: 79:[87, 95, 86], Operations: ['8+78=86'] Exploring Operation: 95-87=8, Resulting Numbers: [86, 8] Generated Node #0,0,0: 79:[86, 8] Operation: 95-87=8 Exploring Operation: 95-86=9, Resulting Numbers: [87, 9] Generated Node #0,0,1: 79:[87, 9] Operation: 95-86=9 Exploring Operation: 87-86=1, Resulting Numbers: [95, 1] Generated Node #0,0,2: 79:[95, 1] Operation: 87-86=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[86, 8], Operations: ['8+78=86', '95-87=8'] Exploring Operation: 86*8=688, Resulting Numbers: [688] 688,79 unequal: No Solution Exploring Operation: 86-8=78, Resulting Numbers: [78] 78,79 unequal: No Solution Exploring Operation: 86+8=94, Resulting Numbers: [94] 94,79 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 #0,0,1 Current State: 79:[87, 9], Operations: ['8+78=86', '95-86=9'] Exploring Operation: 87*9=783, Resulting Numbers: [783] 783,79 unequal: No Solution Exploring Operation: 87-9=78, Resulting Numbers: [78] 78,79 unequal: No Solution Exploring Operation: 87+9=96, Resulting Numbers: [96] 96,79 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:[95, 1], Operations: ['8+78=86', '87-86=1'] Exploring Operation: 95-1=94, Resulting Numbers: [94] 94,79 unequal: No Solution Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,79 unequal: No Solution Exploring Operation: 95/1=95, Resulting Numbers: [95] 95,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 79:[79, 17], Operations: ['87-8=79', '95-78=17'] Exploring Operation: 79-17=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 79+17=96, Resulting Numbers: [96] 96,79 unequal: No Solution Exploring Operation: 79*17=1343, Resulting Numbers: [1343] 1343,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[78, 16], Operations: ['87-8=79', '95-79=16'] Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 78*16=1248, Resulting Numbers: [1248] 1248,79 unequal: No Solution Exploring Operation: 78+16=94, Resulting Numbers: [94] 94,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[87, 9], Operations: ['95-8=87', '87-78=9'] Exploring Operation: 87-9=78, Resulting Numbers: [78] 78,79 unequal: No Solution Exploring Operation: 87+9=96, Resulting Numbers: [96] 96,79 unequal: No Solution Exploring Operation: 87*9=783, Resulting Numbers: [783] 783,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[87, 9], Operations: ['95-8=87', '87-78=9'] Exploring Operation: 87-9=78, Resulting Numbers: [78] 78,79 unequal: No Solution Exploring Operation: 87*9=783, Resulting Numbers: [783] 783,79 unequal: No Solution Exploring Operation: 87+9=96, Resulting Numbers: [96] 96,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[78, 1], Operations: ['95-8=87', '87/87=1'] Exploring Operation: 78+1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[8, 87, 95, 78], Operations: [] Exploring Operation: 95-8=87, Resulting Numbers: [87, 78, 87] Generated Node #0,1: 79:[87, 78, 87] Operation: 95-8=87 Moving to Node #0,1 Current State: 79:[87, 78, 87], Operations: ['95-8=87'] Exploring Operation: 87/87=1, Resulting Numbers: [78, 1] Generated Node #0,1,2: 79:[78, 1] Operation: 87/87=1 Moving to Node #0,1,2 Current State: 79:[78, 1], Operations: ['95-8=87', '87/87=1'] Exploring Operation: 78+1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
0.967014
hs_3
mult_heuristic
[ 22, 15, 70, 46 ]
38
[ "22*46=1012", "15*70=1050", "1050-1012=38" ]
Current State: 38:[22, 15, 70, 46], Operations: [] Exploring Operation: 22*46=1012, Resulting Numbers: [15, 70, 1012] Generated Node #2: [15, 70, 1012] from Operation: 22*46=1012 Current State: 38:[15, 70, 1012], Operations: ['22*46=1012'] Exploring Operation: 15*70=1050, Resulting Numbers: [1012, 1050] Generated Node #3: [1012, 1050] from Operation: 15*70=1050 Current State: 38:[1012, 1050], Operations: ['22*46=1012', '15*70=1050'] Exploring Operation: 1050-1012=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[22, 15, 70, 46], Operations: [] Exploring Operation: 70-46=24, Resulting Numbers: [22, 15, 24] Generated Node #0,0: 38:[22, 15, 24] Operation: 70-46=24 Exploring Operation: 70-22=48, Resulting Numbers: [15, 46, 48] Generated Node #0,1: 38:[15, 46, 48] Operation: 70-22=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[22, 15, 24], Operations: ['70-46=24'] Exploring Operation: 24-22=2, Resulting Numbers: [15, 2] Generated Node #0,0,0: 38:[15, 2] Operation: 24-22=2 Exploring Operation: 15+24=39, Resulting Numbers: [22, 39] Generated Node #0,0,1: 38:[22, 39] Operation: 15+24=39 Moving to Node #0,0,0 Current State: 38:[15, 2], Operations: ['70-46=24', '24-22=2'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,38 unequal: No Solution Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[22, 39], Operations: ['70-46=24', '15+24=39'] Exploring Operation: 22+39=61, Resulting Numbers: [61] 61,38 unequal: No Solution Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[15, 46, 48], Operations: ['70-22=48'] Exploring Operation: 48-46=2, Resulting Numbers: [15, 2] Generated Node #0,1,0: 38:[15, 2] Operation: 48-46=2 Exploring Operation: 48-15=33, Resulting Numbers: [46, 33] Generated Node #0,1,1: 38:[46, 33] Operation: 48-15=33 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 38:[15, 2], Operations: ['70-22=48', '48-46=2'] Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,38 unequal: No Solution No 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: 38:[46, 33], Operations: ['70-22=48', '48-15=33'] Exploring Operation: 46-33=13, Resulting Numbers: [13] 13,38 unequal: No Solution Exploring Operation: 46+33=79, Resulting Numbers: [79] 79,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 12, 2, 74, 22 ]
53
[ "74-12=62", "62/2=31", "22+31=53" ]
Current State: 53:[12, 2, 74, 22], Operations: [] Exploring Operation: 74-12=62, Resulting Numbers: [2, 22, 62] Generated Node #2: [2, 22, 62] from Operation: 74-12=62 Current State: 53:[2, 22, 62], Operations: ['74-12=62'] Exploring Operation: 62/2=31, Resulting Numbers: [22, 31] Generated Node #3: [22, 31] from Operation: 62/2=31 Current State: 53:[22, 31], Operations: ['74-12=62', '62/2=31'] Exploring Operation: 22+31=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[12, 2, 74, 22], Operations: [] Exploring Operation: 12*2=24, Resulting Numbers: [74, 22, 24] Generated Node #0,0: 53:[74, 22, 24] Operation: 12*2=24 Exploring Operation: 12+2=14, Resulting Numbers: [74, 22, 14] Generated Node #0,1: 53:[74, 22, 14] Operation: 12+2=14 Exploring Operation: 74/2=37, Resulting Numbers: [12, 22, 37] Generated Node #0,2: 53:[12, 22, 37] Operation: 74/2=37 Exploring Operation: 2*22=44, Resulting Numbers: [12, 74, 44] Generated Node #0,3: 53:[12, 74, 44] Operation: 2*22=44 Moving to Node #0,3 Current State: 53:[12, 74, 44], Operations: ['2*22=44'] Exploring Operation: 12+44=56, Resulting Numbers: [74, 56] Generated Node #0,3,0: 53:[74, 56] Operation: 12+44=56 Exploring Operation: 12+74=86, Resulting Numbers: [44, 86] Generated Node #0,3,1: 53:[44, 86] Operation: 12+74=86 Exploring Operation: 74-12=62, Resulting Numbers: [44, 62] Generated Node #0,3,2: 53:[44, 62] Operation: 74-12=62 Exploring Operation: 44-12=32, Resulting Numbers: [74, 32] Generated Node #0,3,3: 53:[74, 32] Operation: 44-12=32 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 53:[44, 62], Operations: ['2*22=44', '74-12=62'] Exploring Operation: 44*62=2728, Resulting Numbers: [2728] 2728,53 unequal: No Solution Exploring Operation: 62-44=18, Resulting Numbers: [18] 18,53 unequal: No Solution Exploring Operation: 44+62=106, Resulting Numbers: [106] 106,53 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 #0,3,0 Current State: 53:[74, 56], Operations: ['2*22=44', '12+44=56'] Exploring Operation: 74-56=18, Resulting Numbers: [18] 18,53 unequal: No Solution Exploring Operation: 74*56=4144, Resulting Numbers: [4144] 4144,53 unequal: No Solution Exploring Operation: 74+56=130, Resulting Numbers: [130] 130,53 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 #0,3,1 Current State: 53:[44, 86], Operations: ['2*22=44', '12+74=86'] Exploring Operation: 44+86=130, Resulting Numbers: [130] 130,53 unequal: No Solution Exploring Operation: 86-44=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 44*86=3784, Resulting Numbers: [3784] 3784,53 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 #0,3,3 Current State: 53:[74, 32], Operations: ['2*22=44', '44-12=32'] Exploring Operation: 74+32=106, Resulting Numbers: [106] 106,53 unequal: No Solution Exploring Operation: 74*32=2368, Resulting Numbers: [2368] 2368,53 unequal: No Solution Exploring Operation: 74-32=42, Resulting Numbers: [42] 42,53 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: 53:[74, 22, 24], Operations: ['12*2=24'] Exploring Operation: 74+22=96, Resulting Numbers: [24, 96] Generated Node #0,0,0: 53:[24, 96] Operation: 74+22=96 Exploring Operation: 74-24=50, Resulting Numbers: [22, 50] Generated Node #0,0,1: 53:[22, 50] Operation: 74-24=50 Exploring Operation: 22+24=46, Resulting Numbers: [74, 46] Generated Node #0,0,2: 53:[74, 46] Operation: 22+24=46 Exploring Operation: 74-22=52, Resulting Numbers: [24, 52] Generated Node #0,0,3: 53:[24, 52] Operation: 74-22=52 Moving to Node #0,2 Current State: 53:[12, 22, 37], Operations: ['74/2=37'] Exploring Operation: 22+37=59, Resulting Numbers: [12, 59] Generated Node #0,2,0: 53:[12, 59] Operation: 22+37=59 Exploring Operation: 12+22=34, Resulting Numbers: [37, 34] Generated Node #0,2,1: 53:[37, 34] Operation: 12+22=34 Exploring Operation: 22-12=10, Resulting Numbers: [37, 10] Generated Node #0,2,2: 53:[37, 10] Operation: 22-12=10 Exploring Operation: 12+37=49, Resulting Numbers: [22, 49] Generated Node #0,2,3: 53:[22, 49] Operation: 12+37=49 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 53:[37, 34], Operations: ['74/2=37', '12+22=34'] Exploring Operation: 37+34=71, Resulting Numbers: [71] 71,53 unequal: No Solution Exploring Operation: 37*34=1258, Resulting Numbers: [1258] 1258,53 unequal: No Solution Exploring Operation: 37-34=3, Resulting Numbers: [3] 3,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 53:[22, 49], Operations: ['74/2=37', '12+37=49'] Exploring Operation: 22*49=1078, Resulting Numbers: [1078] 1078,53 unequal: No Solution Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,53 unequal: No Solution Exploring Operation: 22+49=71, Resulting Numbers: [71] 71,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 53:[12, 59], Operations: ['74/2=37', '22+37=59'] Exploring Operation: 12+59=71, Resulting Numbers: [71] 71,53 unequal: No Solution Exploring Operation: 12*59=708, Resulting Numbers: [708] 708,53 unequal: No Solution Exploring Operation: 59-12=47, Resulting Numbers: [47] 47,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 53:[37, 10], Operations: ['74/2=37', '22-12=10'] Exploring Operation: 37*10=370, Resulting Numbers: [370] 370,53 unequal: No Solution Exploring Operation: 37+10=47, Resulting Numbers: [47] 47,53 unequal: No Solution Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,53 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: 53:[74, 22, 14], Operations: ['12+2=14'] Exploring Operation: 74+14=88, Resulting Numbers: [22, 88] Generated Node #0,1,0: 53:[22, 88] Operation: 74+14=88 Exploring Operation: 74-22=52, Resulting Numbers: [14, 52] Generated Node #0,1,1: 53:[14, 52] Operation: 74-22=52 Exploring Operation: 74-14=60, Resulting Numbers: [22, 60] Generated Node #0,1,2: 53:[22, 60] Operation: 74-14=60 Exploring Operation: 22+14=36, Resulting Numbers: [74, 36] Generated Node #0,1,3: 53:[74, 36] Operation: 22+14=36 Moving to Node #0,0,2 Current State: 53:[74, 46], Operations: ['12*2=24', '22+24=46'] Exploring Operation: 74-46=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 74+46=120, Resulting Numbers: [120] 120,53 unequal: No Solution Exploring Operation: 74*46=3404, Resulting Numbers: [3404] 3404,53 unequal: No Solution Moving to Node #0,0,3 Current State: 53:[24, 52], Operations: ['12*2=24', '74-22=52'] Exploring Operation: 24+52=76, Resulting Numbers: [76] 76,53 unequal: No Solution Exploring Operation: 52-24=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 24*52=1248, Resulting Numbers: [1248] 1248,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[22, 50], Operations: ['12*2=24', '74-24=50'] Exploring Operation: 22*50=1100, Resulting Numbers: [1100] 1100,53 unequal: No Solution Exploring Operation: 50-22=28, Resulting Numbers: [28] 28,53 unequal: No Solution Exploring Operation: 22+50=72, Resulting Numbers: [72] 72,53 unequal: No Solution Moving to Node #0,1,3 Current State: 53:[74, 36], Operations: ['12+2=14', '22+14=36'] Exploring Operation: 74*36=2664, Resulting Numbers: [2664] 2664,53 unequal: No Solution Exploring Operation: 74-36=38, Resulting Numbers: [38] 38,53 unequal: No Solution Exploring Operation: 74+36=110, Resulting Numbers: [110] 110,53 unequal: No Solution Moving to Node #0,1,2 Current State: 53:[22, 60], Operations: ['12+2=14', '74-14=60'] Exploring Operation: 22*60=1320, Resulting Numbers: [1320] 1320,53 unequal: No Solution Exploring Operation: 60-22=38, Resulting Numbers: [38] 38,53 unequal: No Solution Exploring Operation: 22+60=82, Resulting Numbers: [82] 82,53 unequal: No Solution Moving to Node #0,1,1 Current State: 53:[14, 52], Operations: ['12+2=14', '74-22=52'] Exploring Operation: 14*52=728, Resulting Numbers: [728] 728,53 unequal: No Solution Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,53 unequal: No Solution Exploring Operation: 14+52=66, Resulting Numbers: [66] 66,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[22, 88], Operations: ['12+2=14', '74+14=88'] Exploring Operation: 22*88=1936, Resulting Numbers: [1936] 1936,53 unequal: No Solution Exploring Operation: 88/22=4, Resulting Numbers: [4] 4,53 unequal: No Solution Exploring Operation: 22+88=110, Resulting Numbers: [110] 110,53 unequal: No Solution Exploring Operation: 88-22=66, Resulting Numbers: [66] 66,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[24, 96], Operations: ['12*2=24', '74+22=96'] Exploring Operation: 24*96=2304, Resulting Numbers: [2304] 2304,53 unequal: No Solution Exploring Operation: 96/24=4, Resulting Numbers: [4] 4,53 unequal: No Solution Exploring Operation: 96-24=72, Resulting Numbers: [72] 72,53 unequal: No Solution Exploring Operation: 24+96=120, Resulting Numbers: [120] 120,53 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 34, 20, 39, 57 ]
36
[ "34+20=54", "57-39=18", "54-18=36" ]
Current State: 36:[34, 20, 39, 57], Operations: [] Exploring Operation: 34+20=54, Resulting Numbers: [39, 57, 54] Generated Node #2: [39, 57, 54] from Operation: 34+20=54 Current State: 36:[39, 57, 54], Operations: ['34+20=54'] Exploring Operation: 57-39=18, Resulting Numbers: [54, 18] Generated Node #3: [54, 18] from Operation: 57-39=18 Current State: 36:[54, 18], Operations: ['34+20=54', '57-39=18'] Exploring Operation: 54-18=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[34, 20, 39, 57], Operations: [] Exploring Operation: 57-39=18, Resulting Numbers: [34, 20, 18] Generated Node #0,0: 36:[34, 20, 18] Operation: 57-39=18 Exploring Operation: 39-34=5, Resulting Numbers: [20, 57, 5] Generated Node #0,1: 36:[20, 57, 5] Operation: 39-34=5 Exploring Operation: 57-34=23, Resulting Numbers: [20, 39, 23] Generated Node #0,2: 36:[20, 39, 23] Operation: 57-34=23 Exploring Operation: 57-20=37, Resulting Numbers: [34, 39, 37] Generated Node #0,3: 36:[34, 39, 37] Operation: 57-20=37 Moving to Node #0,0 Current State: 36:[34, 20, 18], Operations: ['57-39=18'] Exploring Operation: 20-18=2, Resulting Numbers: [34, 2] Generated Node #0,0,0: 36:[34, 2] Operation: 20-18=2 Exploring Operation: 20+18=38, Resulting Numbers: [34, 38] Generated Node #0,0,1: 36:[34, 38] Operation: 20+18=38 Exploring Operation: 34-20=14, Resulting Numbers: [18, 14] Generated Node #0,0,2: 36:[18, 14] Operation: 34-20=14 Exploring Operation: 34-18=16, Resulting Numbers: [20, 16] Generated Node #0,0,3: 36:[20, 16] Operation: 34-18=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[34, 2], Operations: ['57-39=18', '20-18=2'] Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[34, 20, 39, 57], Operations: [] Exploring Operation: 57-39=18, Resulting Numbers: [34, 20, 18] Generated Node #0,0: 36:[34, 20, 18] Operation: 57-39=18 Moving to Node #0,0 Current State: 36:[34, 20, 18], Operations: ['57-39=18'] Exploring Operation: 20-18=2, Resulting Numbers: [34, 2] Generated Node #0,0,0: 36:[34, 2] Operation: 20-18=2 Moving to Node #0,0,0 Current State: 36:[34, 2], Operations: ['57-39=18', '20-18=2'] Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 19, 64, 95, 69 ]
81
[ "19+64=83", "95+69=164", "164-83=81" ]
Current State: 81:[19, 64, 95, 69], Operations: [] Exploring Operation: 19+64=83, Resulting Numbers: [95, 69, 83] Generated Node #2: [95, 69, 83] from Operation: 19+64=83 Current State: 81:[95, 69, 83], Operations: ['19+64=83'] Exploring Operation: 95+69=164, Resulting Numbers: [83, 164] Generated Node #3: [83, 164] from Operation: 95+69=164 Current State: 81:[83, 164], Operations: ['19+64=83', '95+69=164'] Exploring Operation: 164-83=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[19, 64, 95, 69], Operations: [] Exploring Operation: 69-64=5, Resulting Numbers: [19, 95, 5] Generated Node #0,0: 81:[19, 95, 5] Operation: 69-64=5 Exploring Operation: 95-69=26, Resulting Numbers: [19, 64, 26] Generated Node #0,1: 81:[19, 64, 26] Operation: 95-69=26 Exploring Operation: 95/19=5, Resulting Numbers: [64, 69, 5] Generated Node #0,2: 81:[64, 69, 5] Operation: 95/19=5 Exploring Operation: 95-64=31, Resulting Numbers: [19, 69, 31] Generated Node #0,3: 81:[19, 69, 31] Operation: 95-64=31 Exploring Operation: 19+64=83, Resulting Numbers: [95, 69, 83] Generated Node #0,4: 81:[95, 69, 83] Operation: 19+64=83 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[19, 95, 5], Operations: ['69-64=5'] Exploring Operation: 95/5=19, Resulting Numbers: [19, 19] Generated Node #0,0,0: 81:[19, 19] Operation: 95/5=19 Exploring Operation: 19+5=24, Resulting Numbers: [95, 24] Generated Node #0,0,1: 81:[95, 24] Operation: 19+5=24 Exploring Operation: 95-5=90, Resulting Numbers: [19, 90] Generated Node #0,0,2: 81:[19, 90] Operation: 95-5=90 Exploring Operation: 95-19=76, Resulting Numbers: [5, 76] Generated Node #0,0,3: 81:[5, 76] Operation: 95-19=76 Exploring Operation: 95/19=5, Resulting Numbers: [5, 5] Generated Node #0,0,4: 81:[5, 5] Operation: 95/19=5 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 81:[5, 5], Operations: ['69-64=5', '95/19=5'] Exploring Operation: 5*5=25, Resulting Numbers: [25] 25,81 unequal: No Solution Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,81 unequal: No Solution Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 81:[5, 76], Operations: ['69-64=5', '95-19=76'] Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,81 unequal: No Solution Exploring Operation: 5+76=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[19, 64, 95, 69], Operations: [] Exploring Operation: 69-64=5, Resulting Numbers: [19, 95, 5] Generated Node #0,0: 81:[19, 95, 5] Operation: 69-64=5 Moving to Node #0,0 Current State: 81:[19, 95, 5], Operations: ['69-64=5'] Exploring Operation: 95-19=76, Resulting Numbers: [5, 76] Generated Node #0,0,3: 81:[5, 76] Operation: 95-19=76 Moving to Node #0,0,3 Current State: 81:[5, 76], Operations: ['69-64=5', '95-19=76'] Exploring Operation: 5+76=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 62, 33, 65, 44 ]
80
[ "62-33=29", "65+44=109", "109-29=80" ]
Current State: 80:[62, 33, 65, 44], Operations: [] Exploring Operation: 62-33=29, Resulting Numbers: [65, 44, 29] Generated Node #2: [65, 44, 29] from Operation: 62-33=29 Current State: 80:[65, 44, 29], Operations: ['62-33=29'] Exploring Operation: 65+44=109, Resulting Numbers: [29, 109] Generated Node #3: [29, 109] from Operation: 65+44=109 Current State: 80:[29, 109], Operations: ['62-33=29', '65+44=109'] Exploring Operation: 109-29=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[62, 33, 65, 44], Operations: [] Exploring Operation: 65-62=3, Resulting Numbers: [33, 44, 3] Generated Node #0,0: 80:[33, 44, 3] Operation: 65-62=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[33, 44, 3], Operations: ['65-62=3'] Exploring Operation: 44-33=11, Resulting Numbers: [3, 11] Generated Node #0,0,0: 80:[3, 11] Operation: 44-33=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[3, 11], Operations: ['65-62=3', '44-33=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,80 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
[ 72, 46, 11, 56 ]
72
[ "46+11=57", "57-56=1", "72*1=72" ]
Current State: 72:[72, 46, 11, 56], Operations: [] Exploring Operation: 46+11=57, Resulting Numbers: [72, 56, 57] Generated Node #2: [72, 56, 57] from Operation: 46+11=57 Current State: 72:[72, 56, 57], Operations: ['46+11=57'] Exploring Operation: 57-56=1, Resulting Numbers: [72, 1] Generated Node #3: [72, 1] from Operation: 57-56=1 Current State: 72:[72, 1], Operations: ['46+11=57', '57-56=1'] Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[72, 46, 11, 56], Operations: [] Exploring Operation: 56-46=10, Resulting Numbers: [72, 11, 10] Generated Node #0,0: 72:[72, 11, 10] Operation: 56-46=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[72, 11, 10], Operations: ['56-46=10'] Exploring Operation: 11-10=1, Resulting Numbers: [72, 1] Generated Node #0,0,0: 72:[72, 1] Operation: 11-10=1 Moving to Node #0,0,0 Current State: 72:[72, 1], Operations: ['56-46=10', '11-10=1'] Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[72, 46, 11, 56], Operations: [] Exploring Operation: 56-46=10, Resulting Numbers: [72, 11, 10] Generated Node #0,0: 72:[72, 11, 10] Operation: 56-46=10 Moving to Node #0,0 Current State: 72:[72, 11, 10], Operations: ['56-46=10'] Exploring Operation: 11-10=1, Resulting Numbers: [72, 1] Generated Node #0,0,0: 72:[72, 1] Operation: 11-10=1 Moving to Node #0,0,0 Current State: 72:[72, 1], Operations: ['56-46=10', '11-10=1'] Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 88, 22, 32, 11 ]
76
[ "88/22=4", "11*4=44", "32+44=76" ]
Current State: 76:[88, 22, 32, 11], Operations: [] Exploring Operation: 88/22=4, Resulting Numbers: [32, 11, 4] Generated Node #2: [32, 11, 4] from Operation: 88/22=4 Current State: 76:[32, 11, 4], Operations: ['88/22=4'] Exploring Operation: 11*4=44, Resulting Numbers: [32, 44] Generated Node #3: [32, 44] from Operation: 11*4=44 Current State: 76:[32, 44], Operations: ['88/22=4', '11*4=44'] Exploring Operation: 32+44=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[88, 22, 32, 11], Operations: [] Exploring Operation: 88-11=77, Resulting Numbers: [22, 32, 77] Generated Node #0,0: 76:[22, 32, 77] Operation: 88-11=77 Moving to Node #0,0 Current State: 76:[22, 32, 77], Operations: ['88-11=77'] Exploring Operation: 32-22=10, Resulting Numbers: [77, 10] Generated Node #0,0,0: 76:[77, 10] Operation: 32-22=10 Moving to Node #0,0,0 Current State: 76:[77, 10], Operations: ['88-11=77', '32-22=10'] Exploring Operation: 77-10=67, Resulting Numbers: [67] 67,76 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 2, 11, 32, 9 ]
44
[ "2*32=64", "11+9=20", "64-20=44" ]
Current State: 44:[2, 11, 32, 9], Operations: [] Exploring Operation: 2*32=64, Resulting Numbers: [11, 9, 64] Generated Node #2: [11, 9, 64] from Operation: 2*32=64 Current State: 44:[11, 9, 64], Operations: ['2*32=64'] Exploring Operation: 11+9=20, Resulting Numbers: [64, 20] Generated Node #3: [64, 20] from Operation: 11+9=20 Current State: 44:[64, 20], Operations: ['2*32=64', '11+9=20'] Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[2, 11, 32, 9], Operations: [] Exploring Operation: 32-11=21, Resulting Numbers: [2, 9, 21] Generated Node #0,0: 44:[2, 9, 21] Operation: 32-11=21 Exploring Operation: 11+32=43, Resulting Numbers: [2, 9, 43] Generated Node #0,1: 44:[2, 9, 43] Operation: 11+32=43 Exploring Operation: 32-9=23, Resulting Numbers: [2, 11, 23] Generated Node #0,2: 44:[2, 11, 23] Operation: 32-9=23 Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[2, 11, 23], Operations: ['32-9=23'] Exploring Operation: 23-11=12, Resulting Numbers: [2, 12] Generated Node #0,2,0: 44:[2, 12] Operation: 23-11=12 Exploring Operation: 23-2=21, Resulting Numbers: [11, 21] Generated Node #0,2,1: 44:[11, 21] Operation: 23-2=21 Exploring Operation: 2*11=22, Resulting Numbers: [23, 22] Generated Node #0,2,2: 44:[23, 22] Operation: 2*11=22 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 44:[2, 12], Operations: ['32-9=23', '23-11=12'] Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,44 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 #0,2,1 Current State: 44:[11, 21], Operations: ['32-9=23', '23-2=21'] Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 11*21=231, Resulting Numbers: [231] 231,44 unequal: No Solution Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,44 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 #0,2,2 Current State: 44:[23, 22], Operations: ['32-9=23', '2*11=22'] Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 23+22=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 23*22=506, Resulting Numbers: [506] 506,44 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:[2, 9, 21], Operations: ['32-11=21'] Exploring Operation: 2+21=23, Resulting Numbers: [9, 23] Generated Node #0,0,0: 44:[9, 23] Operation: 2+21=23 Exploring Operation: 2+9=11, Resulting Numbers: [21, 11] Generated Node #0,0,1: 44:[21, 11] Operation: 2+9=11 Exploring Operation: 21-9=12, Resulting Numbers: [2, 12] Generated Node #0,0,2: 44:[2, 12] Operation: 21-9=12 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 44:[21, 11], Operations: ['32-11=21', '2+9=11'] Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,44 unequal: No Solution Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,44 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,44 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 #0,0,2 Current State: 44:[2, 12], Operations: ['32-11=21', '21-9=12'] Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,44 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:[9, 23], Operations: ['32-11=21', '2+21=23'] Exploring Operation: 9+23=32, Resulting Numbers: [32] 32,44 unequal: No Solution Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 9*23=207, Resulting Numbers: [207] 207,44 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 #0,1 Current State: 44:[2, 9, 43], Operations: ['11+32=43'] Exploring Operation: 2+9=11, Resulting Numbers: [43, 11] Generated Node #0,1,0: 44:[43, 11] Operation: 2+9=11 Exploring Operation: 2+43=45, Resulting Numbers: [9, 45] Generated Node #0,1,1: 44:[9, 45] Operation: 2+43=45 Exploring Operation: 9-2=7, Resulting Numbers: [43, 7] Generated Node #0,1,2: 44:[43, 7] Operation: 9-2=7 Moving to Node #0,1,0 Current State: 44:[43, 11], Operations: ['11+32=43', '2+9=11'] Exploring Operation: 43*11=473, Resulting Numbers: [473] 473,44 unequal: No Solution Exploring Operation: 43+11=54, Resulting Numbers: [54] 54,44 unequal: No Solution Exploring Operation: 43-11=32, Resulting Numbers: [32] 32,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[9, 45], Operations: ['11+32=43', '2+43=45'] Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,44 unequal: No Solution Exploring Operation: 9+45=54, Resulting Numbers: [54] 54,44 unequal: No Solution Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[43, 7], Operations: ['11+32=43', '9-2=7'] Exploring Operation: 43*7=301, Resulting Numbers: [301] 301,44 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,44 unequal: No Solution Exploring Operation: 43+7=50, Resulting Numbers: [50] 50,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 2, 43, 23, 76 ]
12
[ "43-2=41", "76-23=53", "53-41=12" ]
Current State: 12:[2, 43, 23, 76], Operations: [] Exploring Operation: 43-2=41, Resulting Numbers: [23, 76, 41] Generated Node #2: [23, 76, 41] from Operation: 43-2=41 Current State: 12:[23, 76, 41], Operations: ['43-2=41'] Exploring Operation: 76-23=53, Resulting Numbers: [41, 53] Generated Node #3: [41, 53] from Operation: 76-23=53 Current State: 12:[41, 53], Operations: ['43-2=41', '76-23=53'] Exploring Operation: 53-41=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[2, 43, 23, 76], Operations: [] Exploring Operation: 76-43=33, Resulting Numbers: [2, 23, 33] Generated Node #0,0: 12:[2, 23, 33] Operation: 76-43=33 Exploring Operation: 76/2=38, Resulting Numbers: [43, 23, 38] Generated Node #0,1: 12:[43, 23, 38] Operation: 76/2=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[2, 23, 33], Operations: ['76-43=33'] Exploring Operation: 33-23=10, Resulting Numbers: [2, 10] Generated Node #0,0,0: 12:[2, 10] Operation: 33-23=10 Exploring Operation: 23-2=21, Resulting Numbers: [33, 21] Generated Node #0,0,1: 12:[33, 21] Operation: 23-2=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[2, 10], Operations: ['76-43=33', '33-23=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[2, 43, 23, 76], Operations: [] Exploring Operation: 76-43=33, Resulting Numbers: [2, 23, 33] Generated Node #0,0: 12:[2, 23, 33] Operation: 76-43=33 Moving to Node #0,0 Current State: 12:[2, 23, 33], Operations: ['76-43=33'] Exploring Operation: 33-23=10, Resulting Numbers: [2, 10] Generated Node #0,0,0: 12:[2, 10] Operation: 33-23=10 Moving to Node #0,0,0 Current State: 12:[2, 10], Operations: ['76-43=33', '33-23=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 27, 34, 74, 50 ]
46
[ "34+74=108", "108/27=4", "50-4=46" ]
Current State: 46:[27, 34, 74, 50], Operations: [] Exploring Operation: 34+74=108, Resulting Numbers: [27, 50, 108] Generated Node #2: [27, 50, 108] from Operation: 34+74=108 Current State: 46:[27, 50, 108], Operations: ['34+74=108'] Exploring Operation: 108/27=4, Resulting Numbers: [50, 4] Generated Node #3: [50, 4] from Operation: 108/27=4 Current State: 46:[50, 4], Operations: ['34+74=108', '108/27=4'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[27, 34, 74, 50], Operations: [] Exploring Operation: 74-50=24, Resulting Numbers: [27, 34, 24] Generated Node #0,0: 46:[27, 34, 24] Operation: 74-50=24 Exploring Operation: 74-27=47, Resulting Numbers: [34, 50, 47] Generated Node #0,1: 46:[34, 50, 47] Operation: 74-27=47 Exploring Operation: 74-34=40, Resulting Numbers: [27, 50, 40] Generated Node #0,2: 46:[27, 50, 40] Operation: 74-34=40 Exploring Operation: 50-27=23, Resulting Numbers: [34, 74, 23] Generated Node #0,3: 46:[34, 74, 23] Operation: 50-27=23 Exploring Operation: 34-27=7, Resulting Numbers: [74, 50, 7] Generated Node #0,4: 46:[74, 50, 7] Operation: 34-27=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[27, 50, 40], Operations: ['74-34=40'] Exploring Operation: 27+50=77, Resulting Numbers: [40, 77] Generated Node #0,2,0: 46:[40, 77] Operation: 27+50=77 Exploring Operation: 50-40=10, Resulting Numbers: [27, 10] Generated Node #0,2,1: 46:[27, 10] Operation: 50-40=10 Exploring Operation: 40-27=13, Resulting Numbers: [50, 13] Generated Node #0,2,2: 46:[50, 13] Operation: 40-27=13 Exploring Operation: 27+40=67, Resulting Numbers: [50, 67] Generated Node #0,2,3: 46:[50, 67] Operation: 27+40=67 Exploring Operation: 50-27=23, Resulting Numbers: [40, 23] Generated Node #0,2,4: 46:[40, 23] Operation: 50-27=23 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 46:[40, 23], Operations: ['74-34=40', '50-27=23'] Exploring Operation: 40*23=920, Resulting Numbers: [920] 920,46 unequal: No Solution Exploring Operation: 40-23=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 40+23=63, Resulting Numbers: [63] 63,46 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 #0,2,1 Current State: 46:[27, 10], Operations: ['74-34=40', '50-40=10'] Exploring Operation: 27+10=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 27*10=270, Resulting Numbers: [270] 270,46 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 #0,2,2 Current State: 46:[50, 13], Operations: ['74-34=40', '40-27=13'] Exploring Operation: 50*13=650, Resulting Numbers: [650] 650,46 unequal: No Solution Exploring Operation: 50+13=63, Resulting Numbers: [63] 63,46 unequal: No Solution Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,46 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 #0,2,3 Current State: 46:[50, 67], Operations: ['74-34=40', '27+40=67'] Exploring Operation: 50+67=117, Resulting Numbers: [117] 117,46 unequal: No Solution Exploring Operation: 67-50=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 50*67=3350, Resulting Numbers: [3350] 3350,46 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 #0,2,0 Current State: 46:[40, 77], Operations: ['74-34=40', '27+50=77'] Exploring Operation: 40*77=3080, Resulting Numbers: [3080] 3080,46 unequal: No Solution Exploring Operation: 40+77=117, Resulting Numbers: [117] 117,46 unequal: No Solution Exploring Operation: 77-40=37, Resulting Numbers: [37] 37,46 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 #0,0 Current State: 46:[27, 34, 24], Operations: ['74-50=24'] Exploring Operation: 34-27=7, Resulting Numbers: [24, 7] Generated Node #0,0,0: 46:[24, 7] Operation: 34-27=7 Exploring Operation: 27-24=3, Resulting Numbers: [34, 3] Generated Node #0,0,1: 46:[34, 3] Operation: 27-24=3 Exploring Operation: 27+24=51, Resulting Numbers: [34, 51] Generated Node #0,0,2: 46:[34, 51] Operation: 27+24=51 Exploring Operation: 34-24=10, Resulting Numbers: [27, 10] Generated Node #0,0,3: 46:[27, 10] Operation: 34-24=10 Exploring Operation: 27+34=61, Resulting Numbers: [24, 61] Generated Node #0,0,4: 46:[24, 61] Operation: 27+34=61 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 46:[24, 7], Operations: ['74-50=24', '34-27=7'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,46 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:[34, 3], Operations: ['74-50=24', '27-24=3'] Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,46 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,46 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 #0,0,3 Current State: 46:[27, 10], Operations: ['74-50=24', '34-24=10'] Exploring Operation: 27+10=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 27*10=270, Resulting Numbers: [270] 270,46 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 #0,0,2 Current State: 46:[34, 51], Operations: ['74-50=24', '27+24=51'] Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 34+51=85, Resulting Numbers: [85] 85,46 unequal: No Solution Exploring Operation: 34*51=1734, Resulting Numbers: [1734] 1734,46 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 #0,0,4 Current State: 46:[24, 61], Operations: ['74-50=24', '27+34=61'] Exploring Operation: 24*61=1464, Resulting Numbers: [1464] 1464,46 unequal: No Solution Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 24+61=85, Resulting Numbers: [85] 85,46 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:[34, 50, 47], Operations: ['74-27=47'] Exploring Operation: 50-34=16, Resulting Numbers: [47, 16] Generated Node #0,1,0: 46:[47, 16] Operation: 50-34=16 Exploring Operation: 47-34=13, Resulting Numbers: [50, 13] Generated Node #0,1,1: 46:[50, 13] Operation: 47-34=13 Exploring Operation: 34+50=84, Resulting Numbers: [47, 84] Generated Node #0,1,2: 46:[47, 84] Operation: 34+50=84 Exploring Operation: 50-47=3, Resulting Numbers: [34, 3] Generated Node #0,1,3: 46:[34, 3] Operation: 50-47=3 Exploring Operation: 34+47=81, Resulting Numbers: [50, 81] Generated Node #0,1,4: 46:[50, 81] Operation: 34+47=81 Moving to Node #0,1,0 Current State: 46:[47, 16], Operations: ['74-27=47', '50-34=16'] Exploring Operation: 47*16=752, Resulting Numbers: [752] 752,46 unequal: No Solution Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 47+16=63, Resulting Numbers: [63] 63,46 unequal: No Solution Moving to Node #0,1,3 Current State: 46:[34, 3], Operations: ['74-27=47', '50-47=3'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,46 unequal: No Solution Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[50, 13], Operations: ['74-27=47', '47-34=13'] Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 50*13=650, Resulting Numbers: [650] 650,46 unequal: No Solution Exploring Operation: 50+13=63, Resulting Numbers: [63] 63,46 unequal: No Solution Moving to Node #0,1,2 Current State: 46:[47, 84], Operations: ['74-27=47', '34+50=84'] Exploring Operation: 47*84=3948, Resulting Numbers: [3948] 3948,46 unequal: No Solution Exploring Operation: 84-47=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 47+84=131, Resulting Numbers: [131] 131,46 unequal: No Solution Moving to Node #0,1,4 Current State: 46:[50, 81], Operations: ['74-27=47', '34+47=81'] Exploring Operation: 50*81=4050, Resulting Numbers: [4050] 4050,46 unequal: No Solution Exploring Operation: 50+81=131, Resulting Numbers: [131] 131,46 unequal: No Solution Exploring Operation: 81-50=31, Resulting Numbers: [31] 31,46 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 Current State: 46:[74, 50, 7], Operations: ['34-27=7'] Exploring Operation: 74-50=24, Resulting Numbers: [7, 24] Generated Node #0,4,0: 46:[7, 24] Operation: 74-50=24 Exploring Operation: 74+7=81, Resulting Numbers: [50, 81] Generated Node #0,4,1: 46:[50, 81] Operation: 74+7=81 Exploring Operation: 74-7=67, Resulting Numbers: [50, 67] Generated Node #0,4,2: 46:[50, 67] Operation: 74-7=67 Exploring Operation: 50-7=43, Resulting Numbers: [74, 43] Generated Node #0,4,3: 46:[74, 43] Operation: 50-7=43 Exploring Operation: 50+7=57, Resulting Numbers: [74, 57] Generated Node #0,4,4: 46:[74, 57] Operation: 50+7=57 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 46:[7, 24], Operations: ['34-27=7', '74-50=24'] Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,46 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 #0,4,2 Current State: 46:[50, 67], Operations: ['34-27=7', '74-7=67'] Exploring Operation: 50+67=117, Resulting Numbers: [117] 117,46 unequal: No Solution Exploring Operation: 50*67=3350, Resulting Numbers: [3350] 3350,46 unequal: No Solution Exploring Operation: 67-50=17, Resulting Numbers: [17] 17,46 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 #0,4,3 Current State: 46:[74, 43], Operations: ['34-27=7', '50-7=43'] Exploring Operation: 74-43=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 74*43=3182, Resulting Numbers: [3182] 3182,46 unequal: No Solution Exploring Operation: 74+43=117, Resulting Numbers: [117] 117,46 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 #0,4,1 Current State: 46:[50, 81], Operations: ['34-27=7', '74+7=81'] Exploring Operation: 50*81=4050, Resulting Numbers: [4050] 4050,46 unequal: No Solution Exploring Operation: 50+81=131, Resulting Numbers: [131] 131,46 unequal: No Solution Exploring Operation: 81-50=31, Resulting Numbers: [31] 31,46 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 #0,4,4 Current State: 46:[74, 57], Operations: ['34-27=7', '50+7=57'] Exploring Operation: 74-57=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 74*57=4218, Resulting Numbers: [4218] 4218,46 unequal: No Solution Exploring Operation: 74+57=131, Resulting Numbers: [131] 131,46 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 #0,3 Current State: 46:[34, 74, 23], Operations: ['50-27=23'] Exploring Operation: 74-23=51, Resulting Numbers: [34, 51] Generated Node #0,3,0: 46:[34, 51] Operation: 74-23=51 Exploring Operation: 74-34=40, Resulting Numbers: [23, 40] Generated Node #0,3,1: 46:[23, 40] Operation: 74-34=40 Exploring Operation: 34+74=108, Resulting Numbers: [23, 108] Generated Node #0,3,2: 46:[23, 108] Operation: 34+74=108 Exploring Operation: 34-23=11, Resulting Numbers: [74, 11] Generated Node #0,3,3: 46:[74, 11] Operation: 34-23=11 Exploring Operation: 34+23=57, Resulting Numbers: [74, 57] Generated Node #0,3,4: 46:[74, 57] Operation: 34+23=57 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 46:[23, 40], Operations: ['50-27=23', '74-34=40'] Exploring Operation: 23*40=920, Resulting Numbers: [920] 920,46 unequal: No Solution Exploring Operation: 23+40=63, Resulting Numbers: [63] 63,46 unequal: No Solution Exploring Operation: 40-23=17, Resulting Numbers: [17] 17,46 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 #0,3,0 Current State: 46:[34, 51], Operations: ['50-27=23', '74-23=51'] Exploring Operation: 34+51=85, Resulting Numbers: [85] 85,46 unequal: No Solution Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 34*51=1734, Resulting Numbers: [1734] 1734,46 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 #0,3,3 Current State: 46:[74, 11], Operations: ['50-27=23', '34-23=11'] Exploring Operation: 74+11=85, Resulting Numbers: [85] 85,46 unequal: No Solution Exploring Operation: 74*11=814, Resulting Numbers: [814] 814,46 unequal: No Solution Exploring Operation: 74-11=63, Resulting Numbers: [63] 63,46 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 #0,3,4 Current State: 46:[74, 57], Operations: ['50-27=23', '34+23=57'] Exploring Operation: 74+57=131, Resulting Numbers: [131] 131,46 unequal: No Solution Exploring Operation: 74*57=4218, Resulting Numbers: [4218] 4218,46 unequal: No Solution Exploring Operation: 74-57=17, Resulting Numbers: [17] 17,46 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 #0,3,2 Current State: 46:[23, 108], Operations: ['50-27=23', '34+74=108'] Exploring Operation: 23+108=131, Resulting Numbers: [131] 131,46 unequal: No Solution Exploring Operation: 23*108=2484, Resulting Numbers: [2484] 2484,46 unequal: No Solution Exploring Operation: 108-23=85, Resulting Numbers: [85] 85,46 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 No solution found.
0
hs_5
sum_heuristic
[ 52, 8, 5, 2 ]
46
[ "8*5=40", "52+40=92", "92/2=46" ]
Current State: 46:[52, 8, 5, 2], Operations: [] Exploring Operation: 8*5=40, Resulting Numbers: [52, 2, 40] Generated Node #2: [52, 2, 40] from Operation: 8*5=40 Current State: 46:[52, 2, 40], Operations: ['8*5=40'] Exploring Operation: 52+40=92, Resulting Numbers: [2, 92] Generated Node #3: [2, 92] from Operation: 52+40=92 Current State: 46:[2, 92], Operations: ['8*5=40', '52+40=92'] Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[52, 8, 5, 2], Operations: [] Exploring Operation: 8-5=3, Resulting Numbers: [52, 2, 3] Generated Node #0,0: 46:[52, 2, 3] Operation: 8-5=3 Exploring Operation: 52-5=47, Resulting Numbers: [8, 2, 47] Generated Node #0,1: 46:[8, 2, 47] Operation: 52-5=47 Exploring Operation: 52-8=44, Resulting Numbers: [5, 2, 44] Generated Node #0,2: 46:[5, 2, 44] Operation: 52-8=44 Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[5, 2, 44], Operations: ['52-8=44'] Exploring Operation: 2+44=46, Resulting Numbers: [5, 46] Generated Node #0,2,0: 46:[5, 46] Operation: 2+44=46 Exploring Operation: 5+44=49, Resulting Numbers: [2, 49] Generated Node #0,2,1: 46:[2, 49] Operation: 5+44=49 Exploring Operation: 5-2=3, Resulting Numbers: [44, 3] Generated Node #0,2,2: 46:[44, 3] Operation: 5-2=3 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 46:[5, 46], Operations: ['52-8=44', '2+44=46'] Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,46 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,46 unequal: No Solution Exploring Operation: 5*46=230, Resulting Numbers: [230] 230,46 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 #0,2,1 Current State: 46:[2, 49], Operations: ['52-8=44', '5+44=49'] Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,46 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,46 unequal: No Solution Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,46 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 #0,2,2 Current State: 46:[44, 3], Operations: ['52-8=44', '5-2=3'] Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,46 unequal: No Solution Exploring Operation: 44*3=132, Resulting Numbers: [132] 132,46 unequal: No Solution Exploring Operation: 44+3=47, Resulting Numbers: [47] 47,46 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 #0,0 Current State: 46:[52, 2, 3], Operations: ['8-5=3'] Exploring Operation: 52-2=50, Resulting Numbers: [3, 50] Generated Node #0,0,0: 46:[3, 50] Operation: 52-2=50 Exploring Operation: 52-3=49, Resulting Numbers: [2, 49] Generated Node #0,0,1: 46:[2, 49] Operation: 52-3=49 Exploring Operation: 52/2=26, Resulting Numbers: [3, 26] Generated Node #0,0,2: 46:[3, 26] Operation: 52/2=26 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 46:[2, 49], Operations: ['8-5=3', '52-3=49'] Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,46 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,46 unequal: No Solution Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,46 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 #0,0,2 Current State: 46:[3, 26], Operations: ['8-5=3', '52/2=26'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,46 unequal: No Solution Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,46 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 #0,0,0 Current State: 46:[3, 50], Operations: ['8-5=3', '52-2=50'] Exploring Operation: 3+50=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 3*50=150, Resulting Numbers: [150] 150,46 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,46 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:[8, 2, 47], Operations: ['52-5=47'] Exploring Operation: 47-8=39, Resulting Numbers: [2, 39] Generated Node #0,1,0: 46:[2, 39] Operation: 47-8=39 Exploring Operation: 8/2=4, Resulting Numbers: [47, 4] Generated Node #0,1,1: 46:[47, 4] Operation: 8/2=4 Exploring Operation: 8-2=6, Resulting Numbers: [47, 6] Generated Node #0,1,2: 46:[47, 6] Operation: 8-2=6 Moving to Node #0,1,1 Current State: 46:[47, 4], Operations: ['52-5=47', '8/2=4'] Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,46 unequal: No Solution Exploring Operation: 47+4=51, Resulting Numbers: [51] 51,46 unequal: No Solution Exploring Operation: 47*4=188, Resulting Numbers: [188] 188,46 unequal: No Solution Moving to Node #0,1,2 Current State: 46:[47, 6], Operations: ['52-5=47', '8-2=6'] Exploring Operation: 47+6=53, Resulting Numbers: [53] 53,46 unequal: No Solution Exploring Operation: 47*6=282, Resulting Numbers: [282] 282,46 unequal: No Solution Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[2, 39], Operations: ['52-5=47', '47-8=39'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,46 unequal: No Solution Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,46 unequal: No Solution Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 93, 42, 26, 8 ]
91
[ "42-26=16", "16/8=2", "93-2=91" ]
Current State: 91:[93, 42, 26, 8], Operations: [] Exploring Operation: 42-26=16, Resulting Numbers: [93, 8, 16] Generated Node #2: [93, 8, 16] from Operation: 42-26=16 Current State: 91:[93, 8, 16], Operations: ['42-26=16'] Exploring Operation: 16/8=2, Resulting Numbers: [93, 2] Generated Node #3: [93, 2] from Operation: 16/8=2 Current State: 91:[93, 2], Operations: ['42-26=16', '16/8=2'] Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[93, 42, 26, 8], Operations: [] Exploring Operation: 42-8=34, Resulting Numbers: [93, 26, 34] Generated Node #0,0: 91:[93, 26, 34] Operation: 42-8=34 Exploring Operation: 42+26=68, Resulting Numbers: [93, 8, 68] Generated Node #0,1: 91:[93, 8, 68] Operation: 42+26=68 Exploring Operation: 42-26=16, Resulting Numbers: [93, 8, 16] Generated Node #0,2: 91:[93, 8, 16] Operation: 42-26=16 Moving to Node #0,2 Current State: 91:[93, 8, 16], Operations: ['42-26=16'] Exploring Operation: 16-8=8, Resulting Numbers: [93, 8] Generated Node #0,2,0: 91:[93, 8] Operation: 16-8=8 Exploring Operation: 16/8=2, Resulting Numbers: [93, 2] Generated Node #0,2,1: 91:[93, 2] Operation: 16/8=2 Exploring Operation: 93-8=85, Resulting Numbers: [16, 85] Generated Node #0,2,2: 91:[16, 85] Operation: 93-8=85 Moving to Node #0,1 Current State: 91:[93, 8, 68], Operations: ['42+26=68'] Exploring Operation: 93-68=25, Resulting Numbers: [8, 25] Generated Node #0,1,0: 91:[8, 25] Operation: 93-68=25 Exploring Operation: 8+68=76, Resulting Numbers: [93, 76] Generated Node #0,1,1: 91:[93, 76] Operation: 8+68=76 Exploring Operation: 93-8=85, Resulting Numbers: [68, 85] Generated Node #0,1,2: 91:[68, 85] Operation: 93-8=85 Moving to Node #0,0 Current State: 91:[93, 26, 34], Operations: ['42-8=34'] Exploring Operation: 34-26=8, Resulting Numbers: [93, 8] Generated Node #0,0,0: 91:[93, 8] Operation: 34-26=8 Exploring Operation: 26+34=60, Resulting Numbers: [93, 60] Generated Node #0,0,1: 91:[93, 60] Operation: 26+34=60 Exploring Operation: 93-26=67, Resulting Numbers: [34, 67] Generated Node #0,0,2: 91:[34, 67] Operation: 93-26=67 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 91:[93, 8], Operations: ['42-8=34', '34-26=8'] Exploring Operation: 93-8=85, Resulting Numbers: [85] 85,91 unequal: No Solution Exploring Operation: 93+8=101, Resulting Numbers: [101] 101,91 unequal: No Solution Exploring Operation: 93*8=744, Resulting Numbers: [744] 744,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 91:[93, 60], Operations: ['42-8=34', '26+34=60'] Exploring Operation: 93+60=153, Resulting Numbers: [153] 153,91 unequal: No Solution Exploring Operation: 93*60=5580, Resulting Numbers: [5580] 5580,91 unequal: No Solution Exploring Operation: 93-60=33, Resulting Numbers: [33] 33,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 91:[34, 67], Operations: ['42-8=34', '93-26=67'] Exploring Operation: 67-34=33, Resulting Numbers: [33] 33,91 unequal: No Solution Exploring Operation: 34*67=2278, Resulting Numbers: [2278] 2278,91 unequal: No Solution Exploring Operation: 34+67=101, Resulting Numbers: [101] 101,91 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: 91:[93, 8], Operations: ['42-26=16', '16-8=8'] Exploring Operation: 93-8=85, Resulting Numbers: [85] 85,91 unequal: No Solution Exploring Operation: 93*8=744, Resulting Numbers: [744] 744,91 unequal: No Solution Exploring Operation: 93+8=101, Resulting Numbers: [101] 101,91 unequal: No Solution Moving to Node #0,2,1 Current State: 91:[93, 2], Operations: ['42-26=16', '16/8=2'] Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[93, 42, 26, 8], Operations: [] Exploring Operation: 42-26=16, Resulting Numbers: [93, 8, 16] Generated Node #0,2: 91:[93, 8, 16] Operation: 42-26=16 Moving to Node #0,2 Current State: 91:[93, 8, 16], Operations: ['42-26=16'] Exploring Operation: 16/8=2, Resulting Numbers: [93, 2] Generated Node #0,2,1: 91:[93, 2] Operation: 16/8=2 Moving to Node #0,2,1 Current State: 91:[93, 2], Operations: ['42-26=16', '16/8=2'] Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
0.974826
hs_3
mult_heuristic
[ 15, 29, 81, 87 ]
86
[ "15*29=435", "435/87=5", "81+5=86" ]
Current State: 86:[15, 29, 81, 87], Operations: [] Exploring Operation: 15*29=435, Resulting Numbers: [81, 87, 435] Generated Node #2: [81, 87, 435] from Operation: 15*29=435 Current State: 86:[81, 87, 435], Operations: ['15*29=435'] Exploring Operation: 435/87=5, Resulting Numbers: [81, 5] Generated Node #3: [81, 5] from Operation: 435/87=5 Current State: 86:[81, 5], Operations: ['15*29=435', '435/87=5'] Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[15, 29, 81, 87], Operations: [] Exploring Operation: 29-15=14, Resulting Numbers: [81, 87, 14] Generated Node #0,0: 86:[81, 87, 14] Operation: 29-15=14 Exploring Operation: 15+29=44, Resulting Numbers: [81, 87, 44] Generated Node #0,1: 86:[81, 87, 44] Operation: 15+29=44 Exploring Operation: 81-29=52, Resulting Numbers: [15, 87, 52] Generated Node #0,2: 86:[15, 87, 52] Operation: 81-29=52 Exploring Operation: 87/29=3, Resulting Numbers: [15, 81, 3] Generated Node #0,3: 86:[15, 81, 3] Operation: 87/29=3 Moving to Node #0,1 Current State: 86:[81, 87, 44], Operations: ['15+29=44'] Exploring Operation: 87-44=43, Resulting Numbers: [81, 43] Generated Node #0,1,0: 86:[81, 43] Operation: 87-44=43 Exploring Operation: 81+44=125, Resulting Numbers: [87, 125] Generated Node #0,1,1: 86:[87, 125] Operation: 81+44=125 Exploring Operation: 87-81=6, Resulting Numbers: [44, 6] Generated Node #0,1,2: 86:[44, 6] Operation: 87-81=6 Exploring Operation: 81-44=37, Resulting Numbers: [87, 37] Generated Node #0,1,3: 86:[87, 37] Operation: 81-44=37 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[81, 43], Operations: ['15+29=44', '87-44=43'] Exploring Operation: 81-43=38, Resulting Numbers: [38] 38,86 unequal: No Solution Exploring Operation: 81*43=3483, Resulting Numbers: [3483] 3483,86 unequal: No Solution Exploring Operation: 81+43=124, Resulting Numbers: [124] 124,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 86:[44, 6], Operations: ['15+29=44', '87-81=6'] Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,86 unequal: No Solution Exploring Operation: 44*6=264, Resulting Numbers: [264] 264,86 unequal: No Solution Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 86:[87, 37], Operations: ['15+29=44', '81-44=37'] Exploring Operation: 87-37=50, Resulting Numbers: [50] 50,86 unequal: No Solution Exploring Operation: 87*37=3219, Resulting Numbers: [3219] 3219,86 unequal: No Solution Exploring Operation: 87+37=124, Resulting Numbers: [124] 124,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 86:[87, 125], Operations: ['15+29=44', '81+44=125'] Exploring Operation: 87*125=10875, Resulting Numbers: [10875] 10875,86 unequal: No Solution Exploring Operation: 87+125=212, Resulting Numbers: [212] 212,86 unequal: No Solution Exploring Operation: 125-87=38, Resulting Numbers: [38] 38,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 86:[81, 87, 14], Operations: ['29-15=14'] Exploring Operation: 87-14=73, Resulting Numbers: [81, 73] Generated Node #0,0,0: 86:[81, 73] Operation: 87-14=73 Exploring Operation: 81+14=95, Resulting Numbers: [87, 95] Generated Node #0,0,1: 86:[87, 95] Operation: 81+14=95 Exploring Operation: 81-14=67, Resulting Numbers: [87, 67] Generated Node #0,0,2: 86:[87, 67] Operation: 81-14=67 Exploring Operation: 87-81=6, Resulting Numbers: [14, 6] Generated Node #0,0,3: 86:[14, 6] Operation: 87-81=6 Moving to Node #0,3 Current State: 86:[15, 81, 3], Operations: ['87/29=3'] Exploring Operation: 15*3=45, Resulting Numbers: [81, 45] Generated Node #0,3,0: 86:[81, 45] Operation: 15*3=45 Exploring Operation: 15+81=96, Resulting Numbers: [3, 96] Generated Node #0,3,1: 86:[3, 96] Operation: 15+81=96 Exploring Operation: 15/3=5, Resulting Numbers: [81, 5] Generated Node #0,3,2: 86:[81, 5] Operation: 15/3=5 Exploring Operation: 15-3=12, Resulting Numbers: [81, 12] Generated Node #0,3,3: 86:[81, 12] Operation: 15-3=12 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 86:[81, 45], Operations: ['87/29=3', '15*3=45'] Exploring Operation: 81*45=3645, Resulting Numbers: [3645] 3645,86 unequal: No Solution Exploring Operation: 81+45=126, Resulting Numbers: [126] 126,86 unequal: No Solution Exploring Operation: 81-45=36, Resulting Numbers: [36] 36,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 86:[81, 5], Operations: ['87/29=3', '15/3=5'] Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[15, 29, 81, 87], Operations: [] Exploring Operation: 87/29=3, Resulting Numbers: [15, 81, 3] Generated Node #0,3: 86:[15, 81, 3] Operation: 87/29=3 Moving to Node #0,3 Current State: 86:[15, 81, 3], Operations: ['87/29=3'] Exploring Operation: 15/3=5, Resulting Numbers: [81, 5] Generated Node #0,3,2: 86:[81, 5] Operation: 15/3=5 Moving to Node #0,3,2 Current State: 86:[81, 5], Operations: ['87/29=3', '15/3=5'] Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_4
mult_heuristic
[ 53, 41, 44, 97 ]
50
[ "53+97=150", "44-41=3", "150/3=50" ]
Current State: 50:[53, 41, 44, 97], Operations: [] Exploring Operation: 53+97=150, Resulting Numbers: [41, 44, 150] Generated Node #2: [41, 44, 150] from Operation: 53+97=150 Current State: 50:[41, 44, 150], Operations: ['53+97=150'] Exploring Operation: 44-41=3, Resulting Numbers: [150, 3] Generated Node #3: [150, 3] from Operation: 44-41=3 Current State: 50:[150, 3], Operations: ['53+97=150', '44-41=3'] Exploring Operation: 150/3=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[53, 41, 44, 97], Operations: [] Exploring Operation: 97-41=56, Resulting Numbers: [53, 44, 56] Generated Node #0,0: 50:[53, 44, 56] Operation: 97-41=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[53, 44, 56], Operations: ['97-41=56'] Exploring Operation: 56-44=12, Resulting Numbers: [53, 12] Generated Node #0,0,0: 50:[53, 12] Operation: 56-44=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[53, 12], Operations: ['97-41=56', '56-44=12'] Exploring Operation: 53-12=41, Resulting Numbers: [41] 41,50 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 74, 73, 54, 38 ]
15
[ "74-73=1", "54-38=16", "16-1=15" ]
Current State: 15:[74, 73, 54, 38], Operations: [] Exploring Operation: 74-73=1, Resulting Numbers: [54, 38, 1] Generated Node #2: [54, 38, 1] from Operation: 74-73=1 Current State: 15:[54, 38, 1], Operations: ['74-73=1'] Exploring Operation: 54-38=16, Resulting Numbers: [1, 16] Generated Node #3: [1, 16] from Operation: 54-38=16 Current State: 15:[1, 16], Operations: ['74-73=1', '54-38=16'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[74, 73, 54, 38], Operations: [] Exploring Operation: 74-73=1, Resulting Numbers: [54, 38, 1] Generated Node #0,0: 15:[54, 38, 1] Operation: 74-73=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[54, 38, 1], Operations: ['74-73=1'] Exploring Operation: 54-38=16, Resulting Numbers: [1, 16] Generated Node #0,0,0: 15:[1, 16] Operation: 54-38=16 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 15:[1, 16], Operations: ['74-73=1', '54-38=16'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[74, 73, 54, 38], Operations: [] Exploring Operation: 74-73=1, Resulting Numbers: [54, 38, 1] Generated Node #0,0: 15:[54, 38, 1] Operation: 74-73=1 Moving to Node #0,0 Current State: 15:[54, 38, 1], Operations: ['74-73=1'] Exploring Operation: 54-38=16, Resulting Numbers: [1, 16] Generated Node #0,0,0: 15:[1, 16] Operation: 54-38=16 Moving to Node #0,0,0 Current State: 15:[1, 16], Operations: ['74-73=1', '54-38=16'] Exploring Operation: 16-1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 17, 18, 54, 16 ]
99
[ "17+16=33", "54/18=3", "33*3=99" ]
Current State: 99:[17, 18, 54, 16], Operations: [] Exploring Operation: 17+16=33, Resulting Numbers: [18, 54, 33] Generated Node #2: [18, 54, 33] from Operation: 17+16=33 Current State: 99:[18, 54, 33], Operations: ['17+16=33'] Exploring Operation: 54/18=3, Resulting Numbers: [33, 3] Generated Node #3: [33, 3] from Operation: 54/18=3 Current State: 99:[33, 3], Operations: ['17+16=33', '54/18=3'] Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[17, 18, 54, 16], Operations: [] Exploring Operation: 54/18=3, Resulting Numbers: [17, 16, 3] Generated Node #0,0: 99:[17, 16, 3] Operation: 54/18=3 Exploring Operation: 54-18=36, Resulting Numbers: [17, 16, 36] Generated Node #0,1: 99:[17, 16, 36] Operation: 54-18=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[17, 16, 3], Operations: ['54/18=3'] Exploring Operation: 17-16=1, Resulting Numbers: [3, 1] Generated Node #0,0,0: 99:[3, 1] Operation: 17-16=1 Exploring Operation: 17+16=33, Resulting Numbers: [3, 33] Generated Node #0,0,1: 99:[3, 33] Operation: 17+16=33 Moving to Node #0,0,1 Current State: 99:[3, 33], Operations: ['54/18=3', '17+16=33'] Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[17, 18, 54, 16], Operations: [] Exploring Operation: 54/18=3, Resulting Numbers: [17, 16, 3] Generated Node #0,0: 99:[17, 16, 3] Operation: 54/18=3 Moving to Node #0,0 Current State: 99:[17, 16, 3], Operations: ['54/18=3'] Exploring Operation: 17+16=33, Resulting Numbers: [3, 33] Generated Node #0,0,1: 99:[3, 33] Operation: 17+16=33 Moving to Node #0,0,1 Current State: 99:[3, 33], Operations: ['54/18=3', '17+16=33'] Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 11, 12, 66, 8 ]
80
[ "66/11=6", "12*6=72", "8+72=80" ]
Current State: 80:[11, 12, 66, 8], Operations: [] Exploring Operation: 66/11=6, Resulting Numbers: [12, 8, 6] Generated Node #2: [12, 8, 6] from Operation: 66/11=6 Current State: 80:[12, 8, 6], Operations: ['66/11=6'] Exploring Operation: 12*6=72, Resulting Numbers: [8, 72] Generated Node #3: [8, 72] from Operation: 12*6=72 Current State: 80:[8, 72], Operations: ['66/11=6', '12*6=72'] Exploring Operation: 8+72=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[11, 12, 66, 8], Operations: [] Exploring Operation: 11+66=77, Resulting Numbers: [12, 8, 77] Generated Node #0,0: 80:[12, 8, 77] Operation: 11+66=77 Exploring Operation: 12+66=78, Resulting Numbers: [11, 8, 78] Generated Node #0,1: 80:[11, 8, 78] Operation: 12+66=78 Exploring Operation: 66+8=74, Resulting Numbers: [11, 12, 74] Generated Node #0,2: 80:[11, 12, 74] Operation: 66+8=74 Exploring Operation: 12-11=1, Resulting Numbers: [66, 8, 1] Generated Node #0,3: 80:[66, 8, 1] Operation: 12-11=1 Exploring Operation: 66/11=6, Resulting Numbers: [12, 8, 6] Generated Node #0,4: 80:[12, 8, 6] Operation: 66/11=6 Moving to Node #0,1 Current State: 80:[11, 8, 78], Operations: ['12+66=78'] Exploring Operation: 11-8=3, Resulting Numbers: [78, 3] Generated Node #0,1,0: 80:[78, 3] Operation: 11-8=3 Exploring Operation: 11+78=89, Resulting Numbers: [8, 89] Generated Node #0,1,1: 80:[8, 89] Operation: 11+78=89 Exploring Operation: 11+8=19, Resulting Numbers: [78, 19] Generated Node #0,1,2: 80:[78, 19] Operation: 11+8=19 Exploring Operation: 8+78=86, Resulting Numbers: [11, 86] Generated Node #0,1,3: 80:[11, 86] Operation: 8+78=86 Exploring Operation: 11*8=88, Resulting Numbers: [78, 88] Generated Node #0,1,4: 80:[78, 88] Operation: 11*8=88 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 80:[78, 3], Operations: ['12+66=78', '11-8=3'] Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,80 unequal: No Solution Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,80 unequal: No Solution Exploring Operation: 78*3=234, Resulting Numbers: [234] 234,80 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 #0,1,2 Current State: 80:[78, 19], Operations: ['12+66=78', '11+8=19'] Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,80 unequal: No Solution Exploring Operation: 78*19=1482, Resulting Numbers: [1482] 1482,80 unequal: No Solution Exploring Operation: 78+19=97, Resulting Numbers: [97] 97,80 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 #0,1,3 Current State: 80:[11, 86], Operations: ['12+66=78', '8+78=86'] Exploring Operation: 11+86=97, Resulting Numbers: [97] 97,80 unequal: No Solution Exploring Operation: 11*86=946, Resulting Numbers: [946] 946,80 unequal: No Solution Exploring Operation: 86-11=75, Resulting Numbers: [75] 75,80 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 #0,1,1 Current State: 80:[8, 89], Operations: ['12+66=78', '11+78=89'] Exploring Operation: 8+89=97, Resulting Numbers: [97] 97,80 unequal: No Solution Exploring Operation: 8*89=712, Resulting Numbers: [712] 712,80 unequal: No Solution Exploring Operation: 89-8=81, Resulting Numbers: [81] 81,80 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 #0,1,4 Current State: 80:[78, 88], Operations: ['12+66=78', '11*8=88'] Exploring Operation: 78+88=166, Resulting Numbers: [166] 166,80 unequal: No Solution Exploring Operation: 88-78=10, Resulting Numbers: [10] 10,80 unequal: No Solution Exploring Operation: 78*88=6864, Resulting Numbers: [6864] 6864,80 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: 80:[12, 8, 6], Operations: ['66/11=6'] Exploring Operation: 12-6=6, Resulting Numbers: [8, 6] Generated Node #0,4,0: 80:[8, 6] Operation: 12-6=6 Exploring Operation: 12/6=2, Resulting Numbers: [8, 2] Generated Node #0,4,1: 80:[8, 2] Operation: 12/6=2 Exploring Operation: 12+6=18, Resulting Numbers: [8, 18] Generated Node #0,4,2: 80:[8, 18] Operation: 12+6=18 Exploring Operation: 12+8=20, Resulting Numbers: [6, 20] Generated Node #0,4,3: 80:[6, 20] Operation: 12+8=20 Exploring Operation: 12-8=4, Resulting Numbers: [6, 4] Generated Node #0,4,4: 80:[6, 4] Operation: 12-8=4 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 80:[8, 2], Operations: ['66/11=6', '12/6=2'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,80 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,80 unequal: No Solution Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,80 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:[8, 6], Operations: ['66/11=6', '12-6=6'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,80 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,80 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,80 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:[6, 20], Operations: ['66/11=6', '12+8=20'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,80 unequal: No Solution Exploring Operation: 6*20=120, Resulting Numbers: [120] 120,80 unequal: No Solution Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,80 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 #0,4,4 Current State: 80:[6, 4], Operations: ['66/11=6', '12-8=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,80 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,80 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,80 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:[8, 18], Operations: ['66/11=6', '12+6=18'] Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,80 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,80 unequal: No Solution Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,80 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: 80:[12, 8, 77], Operations: ['11+66=77'] Exploring Operation: 12+8=20, Resulting Numbers: [77, 20] Generated Node #0,0,0: 80:[77, 20] Operation: 12+8=20 Exploring Operation: 77-8=69, Resulting Numbers: [12, 69] Generated Node #0,0,1: 80:[12, 69] Operation: 77-8=69 Exploring Operation: 12+77=89, Resulting Numbers: [8, 89] Generated Node #0,0,2: 80:[8, 89] Operation: 12+77=89 Exploring Operation: 8+77=85, Resulting Numbers: [12, 85] Generated Node #0,0,3: 80:[12, 85] Operation: 8+77=85 Exploring Operation: 12-8=4, Resulting Numbers: [77, 4] Generated Node #0,0,4: 80:[77, 4] Operation: 12-8=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 80:[77, 20], Operations: ['11+66=77', '12+8=20'] Exploring Operation: 77*20=1540, Resulting Numbers: [1540] 1540,80 unequal: No Solution Exploring Operation: 77+20=97, Resulting Numbers: [97] 97,80 unequal: No Solution Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,80 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:[77, 4], Operations: ['11+66=77', '12-8=4'] Exploring Operation: 77*4=308, Resulting Numbers: [308] 308,80 unequal: No Solution Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,80 unequal: No Solution Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,80 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:[12, 85], Operations: ['11+66=77', '8+77=85'] Exploring Operation: 85-12=73, Resulting Numbers: [73] 73,80 unequal: No Solution Exploring Operation: 12+85=97, Resulting Numbers: [97] 97,80 unequal: No Solution Exploring Operation: 12*85=1020, Resulting Numbers: [1020] 1020,80 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:[8, 89], Operations: ['11+66=77', '12+77=89'] Exploring Operation: 8*89=712, Resulting Numbers: [712] 712,80 unequal: No Solution Exploring Operation: 89-8=81, Resulting Numbers: [81] 81,80 unequal: No Solution Exploring Operation: 8+89=97, Resulting Numbers: [97] 97,80 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 #0,0,1 Current State: 80:[12, 69], Operations: ['11+66=77', '77-8=69'] Exploring Operation: 12+69=81, Resulting Numbers: [81] 81,80 unequal: No Solution Exploring Operation: 69-12=57, Resulting Numbers: [57] 57,80 unequal: No Solution Exploring Operation: 12*69=828, Resulting Numbers: [828] 828,80 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:[11, 12, 74], Operations: ['66+8=74'] Exploring Operation: 11+74=85, Resulting Numbers: [12, 85] Generated Node #0,2,0: 80:[12, 85] Operation: 11+74=85 Exploring Operation: 12+74=86, Resulting Numbers: [11, 86] Generated Node #0,2,1: 80:[11, 86] Operation: 12+74=86 Exploring Operation: 74-11=63, Resulting Numbers: [12, 63] Generated Node #0,2,2: 80:[12, 63] Operation: 74-11=63 Exploring Operation: 11+12=23, Resulting Numbers: [74, 23] Generated Node #0,2,3: 80:[74, 23] Operation: 11+12=23 Exploring Operation: 12-11=1, Resulting Numbers: [74, 1] Generated Node #0,2,4: 80:[74, 1] Operation: 12-11=1 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 80:[12, 85], Operations: ['66+8=74', '11+74=85'] Exploring Operation: 12+85=97, Resulting Numbers: [97] 97,80 unequal: No Solution Exploring Operation: 12*85=1020, Resulting Numbers: [1020] 1020,80 unequal: No Solution Exploring Operation: 85-12=73, Resulting Numbers: [73] 73,80 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 #0,2,1 Current State: 80:[11, 86], Operations: ['66+8=74', '12+74=86'] Exploring Operation: 11*86=946, Resulting Numbers: [946] 946,80 unequal: No Solution Exploring Operation: 86-11=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 11+86=97, Resulting Numbers: [97] 97,80 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 #0,2,4 Current State: 80:[74, 1], Operations: ['66+8=74', '12-11=1'] Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 74/1=74, Resulting Numbers: [74] 74,80 unequal: No Solution Exploring Operation: 74*1=74, Resulting Numbers: [74] 74,80 unequal: No Solution Exploring Operation: 74-1=73, Resulting Numbers: [73] 73,80 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 #0,2,3 Current State: 80:[74, 23], Operations: ['66+8=74', '11+12=23'] Exploring Operation: 74-23=51, Resulting Numbers: [51] 51,80 unequal: No Solution Exploring Operation: 74*23=1702, Resulting Numbers: [1702] 1702,80 unequal: No Solution Exploring Operation: 74+23=97, Resulting Numbers: [97] 97,80 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 #0,2,2 Current State: 80:[12, 63], Operations: ['66+8=74', '74-11=63'] Exploring Operation: 12*63=756, Resulting Numbers: [756] 756,80 unequal: No Solution Exploring Operation: 12+63=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 63-12=51, Resulting Numbers: [51] 51,80 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: 80:[66, 8, 1], Operations: ['12-11=1'] Exploring Operation: 66/1=66, Resulting Numbers: [8, 66] Generated Node #0,3,0: 80:[8, 66] Operation: 66/1=66 Exploring Operation: 66*1=66, Resulting Numbers: [8, 66] Generated Node #0,3,1: 80:[8, 66] Operation: 66*1=66 Exploring Operation: 8*1=8, Resulting Numbers: [66, 8] Generated Node #0,3,2: 80:[66, 8] Operation: 8*1=8 Exploring Operation: 66+8=74, Resulting Numbers: [1, 74] Generated Node #0,3,3: 80:[1, 74] Operation: 66+8=74 Exploring Operation: 66+1=67, Resulting Numbers: [8, 67] Generated Node #0,3,4: 80:[8, 67] Operation: 66+1=67 Moving to Node #0,3,3 Current State: 80:[1, 74], Operations: ['12-11=1', '66+8=74'] Exploring Operation: 74-1=73, Resulting Numbers: [73] 73,80 unequal: No Solution Exploring Operation: 1+74=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 1*74=74, Resulting Numbers: [74] 74,80 unequal: No Solution Exploring Operation: 74/1=74, Resulting Numbers: [74] 74,80 unequal: No Solution Moving to Node #0,3,4 Current State: 80:[8, 67], Operations: ['12-11=1', '66+1=67'] Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 8*67=536, Resulting Numbers: [536] 536,80 unequal: No Solution Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,80 unequal: No Solution Moving to Node #0,3,0 Current State: 80:[8, 66], Operations: ['12-11=1', '66/1=66'] Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,80 unequal: No Solution Exploring Operation: 8*66=528, Resulting Numbers: [528] 528,80 unequal: No Solution Exploring Operation: 8+66=74, Resulting Numbers: [74] 74,80 unequal: No Solution Moving to Node #0,3,1 Current State: 80:[8, 66], Operations: ['12-11=1', '66*1=66'] Exploring Operation: 8*66=528, Resulting Numbers: [528] 528,80 unequal: No Solution Exploring Operation: 8+66=74, Resulting Numbers: [74] 74,80 unequal: No Solution Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,80 unequal: No Solution Moving to Node #0,3,2 Current State: 80:[66, 8], Operations: ['12-11=1', '8*1=8'] Exploring Operation: 66*8=528, Resulting Numbers: [528] 528,80 unequal: No Solution Exploring Operation: 66+8=74, Resulting Numbers: [74] 74,80 unequal: No Solution Exploring Operation: 66-8=58, Resulting Numbers: [58] 58,80 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 68, 8, 87, 17 ]
91
[ "68/17=4", "8+87=95", "95-4=91" ]
Current State: 91:[68, 8, 87, 17], Operations: [] Exploring Operation: 68/17=4, Resulting Numbers: [8, 87, 4] Generated Node #2: [8, 87, 4] from Operation: 68/17=4 Current State: 91:[8, 87, 4], Operations: ['68/17=4'] Exploring Operation: 8+87=95, Resulting Numbers: [4, 95] Generated Node #3: [4, 95] from Operation: 8+87=95 Current State: 91:[4, 95], Operations: ['68/17=4', '8+87=95'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[68, 8, 87, 17], Operations: [] Exploring Operation: 68+17=85, Resulting Numbers: [8, 87, 85] Generated Node #0,0: 91:[8, 87, 85] Operation: 68+17=85 Exploring Operation: 87-68=19, Resulting Numbers: [8, 17, 19] Generated Node #0,1: 91:[8, 17, 19] Operation: 87-68=19 Exploring Operation: 68/17=4, Resulting Numbers: [8, 87, 4] Generated Node #0,2: 91:[8, 87, 4] Operation: 68/17=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[8, 87, 4], Operations: ['68/17=4'] Exploring Operation: 8+87=95, Resulting Numbers: [4, 95] Generated Node #0,2,0: 91:[4, 95] Operation: 8+87=95 Exploring Operation: 8+4=12, Resulting Numbers: [87, 12] Generated Node #0,2,1: 91:[87, 12] Operation: 8+4=12 Exploring Operation: 87+4=91, Resulting Numbers: [8, 91] Generated Node #0,2,2: 91:[8, 91] Operation: 87+4=91 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 91:[8, 91], Operations: ['68/17=4', '87+4=91'] Exploring Operation: 8*91=728, Resulting Numbers: [728] 728,91 unequal: No Solution Exploring Operation: 8+91=99, Resulting Numbers: [99] 99,91 unequal: No Solution Exploring Operation: 91-8=83, Resulting Numbers: [83] 83,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 91:[87, 12], Operations: ['68/17=4', '8+4=12'] Exploring Operation: 87*12=1044, Resulting Numbers: [1044] 1044,91 unequal: No Solution Exploring Operation: 87-12=75, Resulting Numbers: [75] 75,91 unequal: No Solution Exploring Operation: 87+12=99, Resulting Numbers: [99] 99,91 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 91:[4, 95], Operations: ['68/17=4', '8+87=95'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[68, 8, 87, 17], Operations: [] Exploring Operation: 68/17=4, Resulting Numbers: [8, 87, 4] Generated Node #0,2: 91:[8, 87, 4] Operation: 68/17=4 Moving to Node #0,2 Current State: 91:[8, 87, 4], Operations: ['68/17=4'] Exploring Operation: 8+87=95, Resulting Numbers: [4, 95] Generated Node #0,2,0: 91:[4, 95] Operation: 8+87=95 Moving to Node #0,2,0 Current State: 91:[4, 95], Operations: ['68/17=4', '8+87=95'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 88, 24, 84, 7 ]
76
[ "88-24=64", "84/7=12", "64+12=76" ]
Current State: 76:[88, 24, 84, 7], Operations: [] Exploring Operation: 88-24=64, Resulting Numbers: [84, 7, 64] Generated Node #2: [84, 7, 64] from Operation: 88-24=64 Current State: 76:[84, 7, 64], Operations: ['88-24=64'] Exploring Operation: 84/7=12, Resulting Numbers: [64, 12] Generated Node #3: [64, 12] from Operation: 84/7=12 Current State: 76:[64, 12], Operations: ['88-24=64', '84/7=12'] Exploring Operation: 64+12=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[88, 24, 84, 7], Operations: [] Exploring Operation: 88-84=4, Resulting Numbers: [24, 7, 4] Generated Node #0,0: 76:[24, 7, 4] Operation: 88-84=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[24, 7, 4], Operations: ['88-84=4'] Exploring Operation: 24-7=17, Resulting Numbers: [4, 17] Generated Node #0,0,0: 76:[4, 17] Operation: 24-7=17 Moving to Node #0,0,0 Current State: 76:[4, 17], Operations: ['88-84=4', '24-7=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,76 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
[ 59, 7, 94, 48 ]
17
[ "59-48=11", "7*11=77", "94-77=17" ]
Current State: 17:[59, 7, 94, 48], Operations: [] Exploring Operation: 59-48=11, Resulting Numbers: [7, 94, 11] Generated Node #2: [7, 94, 11] from Operation: 59-48=11 Current State: 17:[7, 94, 11], Operations: ['59-48=11'] Exploring Operation: 7*11=77, Resulting Numbers: [94, 77] Generated Node #3: [94, 77] from Operation: 7*11=77 Current State: 17:[94, 77], Operations: ['59-48=11', '7*11=77'] Exploring Operation: 94-77=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[59, 7, 94, 48], Operations: [] Exploring Operation: 94-48=46, Resulting Numbers: [59, 7, 46] Generated Node #0,0: 17:[59, 7, 46] Operation: 94-48=46 Exploring Operation: 94-59=35, Resulting Numbers: [7, 48, 35] Generated Node #0,1: 17:[7, 48, 35] Operation: 94-59=35 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[7, 48, 35], Operations: ['94-59=35'] Exploring Operation: 48-35=13, Resulting Numbers: [7, 13] Generated Node #0,1,0: 17:[7, 13] Operation: 48-35=13 Exploring Operation: 48-7=41, Resulting Numbers: [35, 41] Generated Node #0,1,1: 17:[35, 41] Operation: 48-7=41 Moving to Node #0,1,0 Current State: 17:[7, 13], Operations: ['94-59=35', '48-35=13'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,17 unequal: No Solution Exploring Operation: 7+13=20, Resulting Numbers: [20] 20,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[35, 41], Operations: ['94-59=35', '48-7=41'] Exploring Operation: 35+41=76, Resulting Numbers: [76] 76,17 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[59, 7, 46], Operations: ['94-48=46'] Exploring Operation: 59-7=52, Resulting Numbers: [46, 52] Generated Node #0,0,0: 17:[46, 52] Operation: 59-7=52 Exploring Operation: 59-46=13, Resulting Numbers: [7, 13] Generated Node #0,0,1: 17:[7, 13] Operation: 59-46=13 Moving to Node #0,0,1 Current State: 17:[7, 13], Operations: ['94-48=46', '59-46=13'] Exploring Operation: 7+13=20, Resulting Numbers: [20] 20,17 unequal: No Solution Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,17 unequal: No Solution Moving to Node #0,0,0 Current State: 17:[46, 52], Operations: ['94-48=46', '59-7=52'] Exploring Operation: 46+52=98, Resulting Numbers: [98] 98,17 unequal: No Solution Exploring Operation: 52-46=6, Resulting Numbers: [6] 6,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 26, 51, 12, 55 ]
92
[ "51-26=25", "12+55=67", "25+67=92" ]
Current State: 92:[26, 51, 12, 55], Operations: [] Exploring Operation: 51-26=25, Resulting Numbers: [12, 55, 25] Generated Node #2: [12, 55, 25] from Operation: 51-26=25 Current State: 92:[12, 55, 25], Operations: ['51-26=25'] Exploring Operation: 12+55=67, Resulting Numbers: [25, 67] Generated Node #3: [25, 67] from Operation: 12+55=67 Current State: 92:[25, 67], Operations: ['51-26=25', '12+55=67'] Exploring Operation: 25+67=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[26, 51, 12, 55], Operations: [] Exploring Operation: 55-51=4, Resulting Numbers: [26, 12, 4] Generated Node #0,0: 92:[26, 12, 4] Operation: 55-51=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[26, 12, 4], Operations: ['55-51=4'] Exploring Operation: 12/4=3, Resulting Numbers: [26, 3] Generated Node #0,0,0: 92:[26, 3] Operation: 12/4=3 Moving to Node #0,0,0 Current State: 92:[26, 3], Operations: ['55-51=4', '12/4=3'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 63, 1, 44, 51 ]
73
[ "63*51=3213", "3213-1=3212", "3212/44=73" ]
Current State: 73:[63, 1, 44, 51], Operations: [] Exploring Operation: 63*51=3213, Resulting Numbers: [1, 44, 3213] Generated Node #2: [1, 44, 3213] from Operation: 63*51=3213 Current State: 73:[1, 44, 3213], Operations: ['63*51=3213'] Exploring Operation: 3213-1=3212, Resulting Numbers: [44, 3212] Generated Node #3: [44, 3212] from Operation: 3213-1=3212 Current State: 73:[44, 3212], Operations: ['63*51=3213', '3213-1=3212'] Exploring Operation: 3212/44=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[63, 1, 44, 51], Operations: [] Exploring Operation: 63+1=64, Resulting Numbers: [44, 51, 64] Generated Node #0,0: 73:[44, 51, 64] Operation: 63+1=64 Exploring Operation: 1+44=45, Resulting Numbers: [63, 51, 45] Generated Node #0,1: 73:[63, 51, 45] Operation: 1+44=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[44, 51, 64], Operations: ['63+1=64'] Exploring Operation: 44+51=95, Resulting Numbers: [64, 95] Generated Node #0,0,0: 73:[64, 95] Operation: 44+51=95 Exploring Operation: 44+64=108, Resulting Numbers: [51, 108] Generated Node #0,0,1: 73:[51, 108] Operation: 44+64=108 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[64, 95], Operations: ['63+1=64', '44+51=95'] Exploring Operation: 64+95=159, Resulting Numbers: [159] 159,73 unequal: No Solution Exploring Operation: 95-64=31, Resulting Numbers: [31] 31,73 unequal: No Solution No 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: 73:[51, 108], Operations: ['63+1=64', '44+64=108'] Exploring Operation: 108-51=57, Resulting Numbers: [57] 57,73 unequal: No Solution Exploring Operation: 51+108=159, Resulting Numbers: [159] 159,73 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: 73:[63, 51, 45], Operations: ['1+44=45'] Exploring Operation: 51+45=96, Resulting Numbers: [63, 96] Generated Node #0,1,0: 73:[63, 96] Operation: 51+45=96 Exploring Operation: 63+45=108, Resulting Numbers: [51, 108] Generated Node #0,1,1: 73:[51, 108] Operation: 63+45=108 Moving to Node #0,1,0 Current State: 73:[63, 96], Operations: ['1+44=45', '51+45=96'] Exploring Operation: 63+96=159, Resulting Numbers: [159] 159,73 unequal: No Solution Exploring Operation: 96-63=33, Resulting Numbers: [33] 33,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[51, 108], Operations: ['1+44=45', '63+45=108'] Exploring Operation: 51+108=159, Resulting Numbers: [159] 159,73 unequal: No Solution Exploring Operation: 108-51=57, Resulting Numbers: [57] 57,73 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
[ 5, 65, 74, 41 ]
88
[ "74+41=115", "115/5=23", "65+23=88" ]
Current State: 88:[5, 65, 74, 41], Operations: [] Exploring Operation: 74+41=115, Resulting Numbers: [5, 65, 115] Generated Node #2: [5, 65, 115] from Operation: 74+41=115 Current State: 88:[5, 65, 115], Operations: ['74+41=115'] Exploring Operation: 115/5=23, Resulting Numbers: [65, 23] Generated Node #3: [65, 23] from Operation: 115/5=23 Current State: 88:[65, 23], Operations: ['74+41=115', '115/5=23'] Exploring Operation: 65+23=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[5, 65, 74, 41], Operations: [] Exploring Operation: 74-65=9, Resulting Numbers: [5, 41, 9] Generated Node #0,0: 88:[5, 41, 9] Operation: 74-65=9 Moving to Node #0,0 Current State: 88:[5, 41, 9], Operations: ['74-65=9'] Exploring Operation: 5+41=46, Resulting Numbers: [9, 46] Generated Node #0,0,0: 88:[9, 46] Operation: 5+41=46 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[9, 46], Operations: ['74-65=9', '5+41=46'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,88 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, 62, 75, 39 ]
57
[ "64-62=2", "75+39=114", "114/2=57" ]
Current State: 57:[64, 62, 75, 39], Operations: [] Exploring Operation: 64-62=2, Resulting Numbers: [75, 39, 2] Generated Node #2: [75, 39, 2] from Operation: 64-62=2 Current State: 57:[75, 39, 2], Operations: ['64-62=2'] Exploring Operation: 75+39=114, Resulting Numbers: [2, 114] Generated Node #3: [2, 114] from Operation: 75+39=114 Current State: 57:[2, 114], Operations: ['64-62=2', '75+39=114'] Exploring Operation: 114/2=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[64, 62, 75, 39], Operations: [] Exploring Operation: 62-39=23, Resulting Numbers: [64, 75, 23] Generated Node #0,0: 57:[64, 75, 23] Operation: 62-39=23 Exploring Operation: 75-39=36, Resulting Numbers: [64, 62, 36] Generated Node #0,1: 57:[64, 62, 36] Operation: 75-39=36 Exploring Operation: 64-39=25, Resulting Numbers: [62, 75, 25] Generated Node #0,2: 57:[62, 75, 25] Operation: 64-39=25 Moving to Node #0,0 Current State: 57:[64, 75, 23], Operations: ['62-39=23'] Exploring Operation: 75-23=52, Resulting Numbers: [64, 52] Generated Node #0,0,0: 57:[64, 52] Operation: 75-23=52 Exploring Operation: 75-64=11, Resulting Numbers: [23, 11] Generated Node #0,0,1: 57:[23, 11] Operation: 75-64=11 Exploring Operation: 64-23=41, Resulting Numbers: [75, 41] Generated Node #0,0,2: 57:[75, 41] Operation: 64-23=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 57:[64, 52], Operations: ['62-39=23', '75-23=52'] Exploring Operation: 64-52=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 64*52=3328, Resulting Numbers: [3328] 3328,57 unequal: No Solution Exploring Operation: 64+52=116, Resulting Numbers: [116] 116,57 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 #0,0,1 Current State: 57:[23, 11], Operations: ['62-39=23', '75-64=11'] Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 23*11=253, Resulting Numbers: [253] 253,57 unequal: No Solution Exploring Operation: 23+11=34, Resulting Numbers: [34] 34,57 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 #0,0,2 Current State: 57:[75, 41], Operations: ['62-39=23', '64-23=41'] Exploring Operation: 75+41=116, Resulting Numbers: [116] 116,57 unequal: No Solution Exploring Operation: 75*41=3075, Resulting Numbers: [3075] 3075,57 unequal: No Solution Exploring Operation: 75-41=34, Resulting Numbers: [34] 34,57 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: 57:[64, 62, 36], Operations: ['75-39=36'] Exploring Operation: 62-36=26, Resulting Numbers: [64, 26] Generated Node #0,1,0: 57:[64, 26] Operation: 62-36=26 Exploring Operation: 64-36=28, Resulting Numbers: [62, 28] Generated Node #0,1,1: 57:[62, 28] Operation: 64-36=28 Exploring Operation: 64-62=2, Resulting Numbers: [36, 2] Generated Node #0,1,2: 57:[36, 2] Operation: 64-62=2 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 57:[64, 26], Operations: ['75-39=36', '62-36=26'] Exploring Operation: 64-26=38, Resulting Numbers: [38] 38,57 unequal: No Solution Exploring Operation: 64+26=90, Resulting Numbers: [90] 90,57 unequal: No Solution Exploring Operation: 64*26=1664, Resulting Numbers: [1664] 1664,57 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 #0,1,1 Current State: 57:[62, 28], Operations: ['75-39=36', '64-36=28'] Exploring Operation: 62+28=90, Resulting Numbers: [90] 90,57 unequal: No Solution Exploring Operation: 62*28=1736, Resulting Numbers: [1736] 1736,57 unequal: No Solution Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,57 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 #0,1,2 Current State: 57:[36, 2], Operations: ['75-39=36', '64-62=2'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,57 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,57 unequal: No Solution Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,57 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: 57:[62, 75, 25], Operations: ['64-39=25'] Exploring Operation: 75-62=13, Resulting Numbers: [25, 13] Generated Node #0,2,0: 57:[25, 13] Operation: 75-62=13 Exploring Operation: 75-25=50, Resulting Numbers: [62, 50] Generated Node #0,2,1: 57:[62, 50] Operation: 75-25=50 Exploring Operation: 75/25=3, Resulting Numbers: [62, 3] Generated Node #0,2,2: 57:[62, 3] Operation: 75/25=3 Moving to Node #0,2,2 Current State: 57:[62, 3], Operations: ['64-39=25', '75/25=3'] Exploring Operation: 62*3=186, Resulting Numbers: [186] 186,57 unequal: No Solution Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,57 unequal: No Solution Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[25, 13], Operations: ['64-39=25', '75-62=13'] Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 25+13=38, Resulting Numbers: [38] 38,57 unequal: No Solution Exploring Operation: 25*13=325, Resulting Numbers: [325] 325,57 unequal: No Solution Moving to Node #0,2,1 Current State: 57:[62, 50], Operations: ['64-39=25', '75-25=50'] Exploring Operation: 62-50=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 62*50=3100, Resulting Numbers: [3100] 3100,57 unequal: No Solution Exploring Operation: 62+50=112, Resulting Numbers: [112] 112,57 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 54, 76, 73, 49 ]
100
[ "76-54=22", "73+49=122", "122-22=100" ]
Current State: 100:[54, 76, 73, 49], Operations: [] Exploring Operation: 76-54=22, Resulting Numbers: [73, 49, 22] Generated Node #2: [73, 49, 22] from Operation: 76-54=22 Current State: 100:[73, 49, 22], Operations: ['76-54=22'] Exploring Operation: 73+49=122, Resulting Numbers: [22, 122] Generated Node #3: [22, 122] from Operation: 73+49=122 Current State: 100:[22, 122], Operations: ['76-54=22', '73+49=122'] Exploring Operation: 122-22=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[54, 76, 73, 49], Operations: [] Exploring Operation: 76-54=22, Resulting Numbers: [73, 49, 22] Generated Node #0,0: 100:[73, 49, 22] Operation: 76-54=22 Exploring Operation: 76-73=3, Resulting Numbers: [54, 49, 3] Generated Node #0,1: 100:[54, 49, 3] Operation: 76-73=3 Moving to Node #0,1 Current State: 100:[54, 49, 3], Operations: ['76-73=3'] Exploring Operation: 54-3=51, Resulting Numbers: [49, 51] Generated Node #0,1,0: 100:[49, 51] Operation: 54-3=51 Exploring Operation: 54-49=5, Resulting Numbers: [3, 5] Generated Node #0,1,1: 100:[3, 5] Operation: 54-49=5 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[3, 5], Operations: ['76-73=3', '54-49=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,100 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[49, 51], Operations: ['76-73=3', '54-3=51'] Exploring Operation: 49+51=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[54, 76, 73, 49], Operations: [] Exploring Operation: 76-73=3, Resulting Numbers: [54, 49, 3] Generated Node #0,1: 100:[54, 49, 3] Operation: 76-73=3 Moving to Node #0,1 Current State: 100:[54, 49, 3], Operations: ['76-73=3'] Exploring Operation: 54-3=51, Resulting Numbers: [49, 51] Generated Node #0,1,0: 100:[49, 51] Operation: 54-3=51 Moving to Node #0,1,0 Current State: 100:[49, 51], Operations: ['76-73=3', '54-3=51'] Exploring Operation: 49+51=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 62, 55, 4, 75 ]
67
[ "75-55=20", "20/4=5", "62+5=67" ]
Current State: 67:[62, 55, 4, 75], Operations: [] Exploring Operation: 75-55=20, Resulting Numbers: [62, 4, 20] Generated Node #2: [62, 4, 20] from Operation: 75-55=20 Current State: 67:[62, 4, 20], Operations: ['75-55=20'] Exploring Operation: 20/4=5, Resulting Numbers: [62, 5] Generated Node #3: [62, 5] from Operation: 20/4=5 Current State: 67:[62, 5], Operations: ['75-55=20', '20/4=5'] Exploring Operation: 62+5=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[62, 55, 4, 75], Operations: [] Exploring Operation: 55+4=59, Resulting Numbers: [62, 75, 59] Generated Node #0,0: 67:[62, 75, 59] Operation: 55+4=59 Exploring Operation: 75-4=71, Resulting Numbers: [62, 55, 71] Generated Node #0,1: 67:[62, 55, 71] Operation: 75-4=71 Exploring Operation: 62+4=66, Resulting Numbers: [55, 75, 66] Generated Node #0,2: 67:[55, 75, 66] Operation: 62+4=66 Exploring Operation: 62-4=58, Resulting Numbers: [55, 75, 58] Generated Node #0,3: 67:[55, 75, 58] Operation: 62-4=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[62, 75, 59], Operations: ['55+4=59'] Exploring Operation: 75-62=13, Resulting Numbers: [59, 13] Generated Node #0,0,0: 67:[59, 13] Operation: 75-62=13 Exploring Operation: 62+59=121, Resulting Numbers: [75, 121] Generated Node #0,0,1: 67:[75, 121] Operation: 62+59=121 Exploring Operation: 75-59=16, Resulting Numbers: [62, 16] Generated Node #0,0,2: 67:[62, 16] Operation: 75-59=16 Exploring Operation: 62-59=3, Resulting Numbers: [75, 3] Generated Node #0,0,3: 67:[75, 3] Operation: 62-59=3 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 67:[62, 16], Operations: ['55+4=59', '75-59=16'] Exploring Operation: 62*16=992, Resulting Numbers: [992] 992,67 unequal: No Solution Exploring Operation: 62+16=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[59, 13], Operations: ['55+4=59', '75-62=13'] Exploring Operation: 59-13=46, Resulting Numbers: [46] 46,67 unequal: No Solution Exploring Operation: 59*13=767, Resulting Numbers: [767] 767,67 unequal: No Solution Exploring Operation: 59+13=72, Resulting Numbers: [72] 72,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[75, 121], Operations: ['55+4=59', '62+59=121'] Exploring Operation: 121-75=46, Resulting Numbers: [46] 46,67 unequal: No Solution Exploring Operation: 75*121=9075, Resulting Numbers: [9075] 9075,67 unequal: No Solution Exploring Operation: 75+121=196, Resulting Numbers: [196] 196,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 67:[75, 3], Operations: ['55+4=59', '62-59=3'] Exploring Operation: 75*3=225, Resulting Numbers: [225] 225,67 unequal: No Solution Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,67 unequal: No Solution Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 75+3=78, Resulting Numbers: [78] 78,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[62, 55, 71], Operations: ['75-4=71'] Exploring Operation: 71-55=16, Resulting Numbers: [62, 16] Generated Node #0,1,0: 67:[62, 16] Operation: 71-55=16 Exploring Operation: 62-55=7, Resulting Numbers: [71, 7] Generated Node #0,1,1: 67:[71, 7] Operation: 62-55=7 Exploring Operation: 55+71=126, Resulting Numbers: [62, 126] Generated Node #0,1,2: 67:[62, 126] Operation: 55+71=126 Exploring Operation: 62+55=117, Resulting Numbers: [71, 117] Generated Node #0,1,3: 67:[71, 117] Operation: 62+55=117 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 67:[71, 117], Operations: ['75-4=71', '62+55=117'] Exploring Operation: 71+117=188, Resulting Numbers: [188] 188,67 unequal: No Solution Exploring Operation: 71*117=8307, Resulting Numbers: [8307] 8307,67 unequal: No Solution Exploring Operation: 117-71=46, Resulting Numbers: [46] 46,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[62, 16], Operations: ['75-4=71', '71-55=16'] Exploring Operation: 62*16=992, Resulting Numbers: [992] 992,67 unequal: No Solution Exploring Operation: 62+16=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 67:[71, 7], Operations: ['75-4=71', '62-55=7'] Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 71*7=497, Resulting Numbers: [497] 497,67 unequal: No Solution Exploring Operation: 71+7=78, Resulting Numbers: [78] 78,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 67:[62, 126], Operations: ['75-4=71', '55+71=126'] Exploring Operation: 62+126=188, Resulting Numbers: [188] 188,67 unequal: No Solution Exploring Operation: 62*126=7812, Resulting Numbers: [7812] 7812,67 unequal: No Solution Exploring Operation: 126-62=64, Resulting Numbers: [64] 64,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[55, 75, 66], Operations: ['62+4=66'] Exploring Operation: 55+75=130, Resulting Numbers: [66, 130] Generated Node #0,2,0: 67:[66, 130] Operation: 55+75=130 Exploring Operation: 66-55=11, Resulting Numbers: [75, 11] Generated Node #0,2,1: 67:[75, 11] Operation: 66-55=11 Exploring Operation: 75-55=20, Resulting Numbers: [66, 20] Generated Node #0,2,2: 67:[66, 20] Operation: 75-55=20 Exploring Operation: 55+66=121, Resulting Numbers: [75, 121] Generated Node #0,2,3: 67:[75, 121] Operation: 55+66=121 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 67:[66, 20], Operations: ['62+4=66', '75-55=20'] Exploring Operation: 66*20=1320, Resulting Numbers: [1320] 1320,67 unequal: No Solution Exploring Operation: 66-20=46, Resulting Numbers: [46] 46,67 unequal: No Solution Exploring Operation: 66+20=86, Resulting Numbers: [86] 86,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 67:[75, 121], Operations: ['62+4=66', '55+66=121'] Exploring Operation: 121-75=46, Resulting Numbers: [46] 46,67 unequal: No Solution Exploring Operation: 75*121=9075, Resulting Numbers: [9075] 9075,67 unequal: No Solution Exploring Operation: 75+121=196, Resulting Numbers: [196] 196,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 67:[66, 130], Operations: ['62+4=66', '55+75=130'] Exploring Operation: 66*130=8580, Resulting Numbers: [8580] 8580,67 unequal: No Solution Exploring Operation: 130-66=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 66+130=196, Resulting Numbers: [196] 196,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 67:[75, 11], Operations: ['62+4=66', '66-55=11'] Exploring Operation: 75+11=86, Resulting Numbers: [86] 86,67 unequal: No Solution Exploring Operation: 75-11=64, Resulting Numbers: [64] 64,67 unequal: No Solution Exploring Operation: 75*11=825, Resulting Numbers: [825] 825,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 67:[55, 75, 58], Operations: ['62-4=58'] Exploring Operation: 75-55=20, Resulting Numbers: [58, 20] Generated Node #0,3,0: 67:[58, 20] Operation: 75-55=20 Exploring Operation: 55+75=130, Resulting Numbers: [58, 130] Generated Node #0,3,1: 67:[58, 130] Operation: 55+75=130 Exploring Operation: 75-58=17, Resulting Numbers: [55, 17] Generated Node #0,3,2: 67:[55, 17] Operation: 75-58=17 Exploring Operation: 55+58=113, Resulting Numbers: [75, 113] Generated Node #0,3,3: 67:[75, 113] Operation: 55+58=113 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 67:[75, 113], Operations: ['62-4=58', '55+58=113'] Exploring Operation: 75+113=188, Resulting Numbers: [188] 188,67 unequal: No Solution Exploring Operation: 75*113=8475, Resulting Numbers: [8475] 8475,67 unequal: No Solution Exploring Operation: 113-75=38, Resulting Numbers: [38] 38,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 67:[58, 20], Operations: ['62-4=58', '75-55=20'] Exploring Operation: 58-20=38, Resulting Numbers: [38] 38,67 unequal: No Solution Exploring Operation: 58*20=1160, Resulting Numbers: [1160] 1160,67 unequal: No Solution Exploring Operation: 58+20=78, Resulting Numbers: [78] 78,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 67:[55, 17], Operations: ['62-4=58', '75-58=17'] Exploring Operation: 55-17=38, Resulting Numbers: [38] 38,67 unequal: No Solution Exploring Operation: 55+17=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 55*17=935, Resulting Numbers: [935] 935,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 67:[58, 130], Operations: ['62-4=58', '55+75=130'] Exploring Operation: 58+130=188, Resulting Numbers: [188] 188,67 unequal: No Solution Exploring Operation: 130-58=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 58*130=7540, Resulting Numbers: [7540] 7540,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 90, 91, 1, 84 ]
86
[ "91-90=1", "1+84=85", "1+85=86" ]
Current State: 86:[90, 91, 1, 84], Operations: [] Exploring Operation: 91-90=1, Resulting Numbers: [1, 84, 1] Generated Node #2: [1, 84, 1] from Operation: 91-90=1 Current State: 86:[1, 84, 1], Operations: ['91-90=1'] Exploring Operation: 1+84=85, Resulting Numbers: [85] 85,86 equal: Goal Reached Exploring Operation: 1+85=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[90, 91, 1, 84], Operations: [] Exploring Operation: 91-90=1, Resulting Numbers: [1, 84, 1] Generated Node #0,0: 86:[1, 84, 1] Operation: 91-90=1 Exploring Operation: 90-1=89, Resulting Numbers: [91, 84, 89] Generated Node #0,1: 86:[91, 84, 89] Operation: 90-1=89 Exploring Operation: 90-84=6, Resulting Numbers: [91, 1, 6] Generated Node #0,2: 86:[91, 1, 6] Operation: 90-84=6 Moving to Node #0,0 Current State: 86:[1, 84, 1], Operations: ['91-90=1'] Exploring Operation: 1+1=2, Resulting Numbers: [84, 2] Generated Node #0,0,0: 86:[84, 2] Operation: 1+1=2 Exploring Operation: 1+84=85, Resulting Numbers: [1, 85] Generated Node #0,0,1: 86:[1, 85] Operation: 1+84=85 Exploring Operation: 84+1=85, Resulting Numbers: [1, 85] Generated Node #0,0,2: 86:[1, 85] Operation: 84+1=85 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[84, 2], Operations: ['91-90=1', '1+1=2'] Exploring Operation: 84/2=42, Resulting Numbers: [42] 42,86 unequal: No Solution Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[90, 91, 1, 84], Operations: [] Exploring Operation: 91-90=1, Resulting Numbers: [1, 84, 1] Generated Node #0,0: 86:[1, 84, 1] Operation: 91-90=1 Moving to Node #0,0 Current State: 86:[1, 84, 1], Operations: ['91-90=1'] Exploring Operation: 1+1=2, Resulting Numbers: [84, 2] Generated Node #0,0,0: 86:[84, 2] Operation: 1+1=2 Moving to Node #0,0,0 Current State: 86:[84, 2], Operations: ['91-90=1', '1+1=2'] Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 60, 9, 45, 88 ]
94
[ "60-9=51", "88-45=43", "51+43=94" ]
Current State: 94:[60, 9, 45, 88], Operations: [] Exploring Operation: 60-9=51, Resulting Numbers: [45, 88, 51] Generated Node #2: [45, 88, 51] from Operation: 60-9=51 Current State: 94:[45, 88, 51], Operations: ['60-9=51'] Exploring Operation: 88-45=43, Resulting Numbers: [51, 43] Generated Node #3: [51, 43] from Operation: 88-45=43 Current State: 94:[51, 43], Operations: ['60-9=51', '88-45=43'] Exploring Operation: 51+43=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[60, 9, 45, 88], Operations: [] Exploring Operation: 45/9=5, Resulting Numbers: [60, 88, 5] Generated Node #0,0: 94:[60, 88, 5] Operation: 45/9=5 Exploring Operation: 9+88=97, Resulting Numbers: [60, 45, 97] Generated Node #0,1: 94:[60, 45, 97] Operation: 9+88=97 Exploring Operation: 60-9=51, Resulting Numbers: [45, 88, 51] Generated Node #0,2: 94:[45, 88, 51] Operation: 60-9=51 Exploring Operation: 88-45=43, Resulting Numbers: [60, 9, 43] Generated Node #0,3: 94:[60, 9, 43] Operation: 88-45=43 Exploring Operation: 60+45=105, Resulting Numbers: [9, 88, 105] Generated Node #0,4: 94:[9, 88, 105] Operation: 60+45=105 Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[45, 88, 51], Operations: ['60-9=51'] Exploring Operation: 88-51=37, Resulting Numbers: [45, 37] Generated Node #0,2,0: 94:[45, 37] Operation: 88-51=37 Exploring Operation: 45+51=96, Resulting Numbers: [88, 96] Generated Node #0,2,1: 94:[88, 96] Operation: 45+51=96 Exploring Operation: 45+88=133, Resulting Numbers: [51, 133] Generated Node #0,2,2: 94:[51, 133] Operation: 45+88=133 Exploring Operation: 51-45=6, Resulting Numbers: [88, 6] Generated Node #0,2,3: 94:[88, 6] Operation: 51-45=6 Exploring Operation: 88-45=43, Resulting Numbers: [51, 43] Generated Node #0,2,4: 94:[51, 43] Operation: 88-45=43 Moving to Node #0,2,1 Current State: 94:[88, 96], Operations: ['60-9=51', '45+51=96'] Exploring Operation: 96-88=8, Resulting Numbers: [8] 8,94 unequal: No Solution Exploring Operation: 88*96=8448, Resulting Numbers: [8448] 8448,94 unequal: No Solution Exploring Operation: 88+96=184, Resulting Numbers: [184] 184,94 unequal: No Solution Moving to Node #0,2,4 Current State: 94:[51, 43], Operations: ['60-9=51', '88-45=43'] Exploring Operation: 51*43=2193, Resulting Numbers: [2193] 2193,94 unequal: No Solution Exploring Operation: 51+43=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[60, 9, 45, 88], Operations: [] Exploring Operation: 60-9=51, Resulting Numbers: [45, 88, 51] Generated Node #0,2: 94:[45, 88, 51] Operation: 60-9=51 Moving to Node #0,2 Current State: 94:[45, 88, 51], Operations: ['60-9=51'] Exploring Operation: 88-45=43, Resulting Numbers: [51, 43] Generated Node #0,2,4: 94:[51, 43] Operation: 88-45=43 Moving to Node #0,2,4 Current State: 94:[51, 43], Operations: ['60-9=51', '88-45=43'] Exploring Operation: 51+43=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 14, 70, 13, 11 ]
88
[ "70/14=5", "13-5=8", "11*8=88" ]
Current State: 88:[14, 70, 13, 11], Operations: [] Exploring Operation: 70/14=5, Resulting Numbers: [13, 11, 5] Generated Node #2: [13, 11, 5] from Operation: 70/14=5 Current State: 88:[13, 11, 5], Operations: ['70/14=5'] Exploring Operation: 13-5=8, Resulting Numbers: [11, 8] Generated Node #3: [11, 8] from Operation: 13-5=8 Current State: 88:[11, 8], Operations: ['70/14=5', '13-5=8'] Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[14, 70, 13, 11], Operations: [] Exploring Operation: 70/14=5, Resulting Numbers: [13, 11, 5] Generated Node #0,0: 88:[13, 11, 5] Operation: 70/14=5 Exploring Operation: 14+70=84, Resulting Numbers: [13, 11, 84] Generated Node #0,1: 88:[13, 11, 84] Operation: 14+70=84 Moving to Node #0,0 Current State: 88:[13, 11, 5], Operations: ['70/14=5'] Exploring Operation: 13-5=8, Resulting Numbers: [11, 8] Generated Node #0,0,0: 88:[11, 8] Operation: 13-5=8 Exploring Operation: 13-11=2, Resulting Numbers: [5, 2] Generated Node #0,0,1: 88:[5, 2] Operation: 13-11=2 Moving to Node #0,1 Current State: 88:[13, 11, 84], Operations: ['14+70=84'] Exploring Operation: 13+11=24, Resulting Numbers: [84, 24] Generated Node #0,1,0: 88:[84, 24] Operation: 13+11=24 Exploring Operation: 13-11=2, Resulting Numbers: [84, 2] Generated Node #0,1,1: 88:[84, 2] Operation: 13-11=2 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 88:[84, 2], Operations: ['14+70=84', '13-11=2'] Exploring Operation: 84+2=86, Resulting Numbers: [86] 86,88 unequal: No Solution Exploring Operation: 84/2=42, Resulting Numbers: [42] 42,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 88:[84, 24], Operations: ['14+70=84', '13+11=24'] Exploring Operation: 84-24=60, Resulting Numbers: [60] 60,88 unequal: No Solution Exploring Operation: 84+24=108, Resulting Numbers: [108] 108,88 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: 88:[11, 8], Operations: ['70/14=5', '13-5=8'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[14, 70, 13, 11], Operations: [] Exploring Operation: 70/14=5, Resulting Numbers: [13, 11, 5] Generated Node #0,0: 88:[13, 11, 5] Operation: 70/14=5 Moving to Node #0,0 Current State: 88:[13, 11, 5], Operations: ['70/14=5'] Exploring Operation: 13-5=8, Resulting Numbers: [11, 8] Generated Node #0,0,0: 88:[11, 8] Operation: 13-5=8 Moving to Node #0,0,0 Current State: 88:[11, 8], Operations: ['70/14=5', '13-5=8'] Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 67, 28, 65, 40 ]
14
[ "67-28=39", "65-40=25", "39-25=14" ]
Current State: 14:[67, 28, 65, 40], Operations: [] Exploring Operation: 67-28=39, Resulting Numbers: [65, 40, 39] Generated Node #2: [65, 40, 39] from Operation: 67-28=39 Current State: 14:[65, 40, 39], Operations: ['67-28=39'] Exploring Operation: 65-40=25, Resulting Numbers: [39, 25] Generated Node #3: [39, 25] from Operation: 65-40=25 Current State: 14:[39, 25], Operations: ['67-28=39', '65-40=25'] Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[67, 28, 65, 40], Operations: [] Exploring Operation: 67-65=2, Resulting Numbers: [28, 40, 2] Generated Node #0,0: 14:[28, 40, 2] Operation: 67-65=2 Exploring Operation: 67-40=27, Resulting Numbers: [28, 65, 27] Generated Node #0,1: 14:[28, 65, 27] Operation: 67-40=27 Exploring Operation: 65-40=25, Resulting Numbers: [67, 28, 25] Generated Node #0,2: 14:[67, 28, 25] Operation: 65-40=25 Exploring Operation: 67-28=39, Resulting Numbers: [65, 40, 39] Generated Node #0,3: 14:[65, 40, 39] Operation: 67-28=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[28, 40, 2], Operations: ['67-65=2'] Exploring Operation: 28/2=14, Resulting Numbers: [40, 14] Generated Node #0,0,0: 14:[40, 14] Operation: 28/2=14 Exploring Operation: 40-28=12, Resulting Numbers: [2, 12] Generated Node #0,0,1: 14:[2, 12] Operation: 40-28=12 Exploring Operation: 28-2=26, Resulting Numbers: [40, 26] Generated Node #0,0,2: 14:[40, 26] Operation: 28-2=26 Exploring Operation: 40/2=20, Resulting Numbers: [28, 20] Generated Node #0,0,3: 14:[28, 20] Operation: 40/2=20 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 14:[2, 12], Operations: ['67-65=2', '40-28=12'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,14 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[67, 28, 65, 40], Operations: [] Exploring Operation: 67-65=2, Resulting Numbers: [28, 40, 2] Generated Node #0,0: 14:[28, 40, 2] Operation: 67-65=2 Moving to Node #0,0 Current State: 14:[28, 40, 2], Operations: ['67-65=2'] Exploring Operation: 40-28=12, Resulting Numbers: [2, 12] Generated Node #0,0,1: 14:[2, 12] Operation: 40-28=12 Moving to Node #0,0,1 Current State: 14:[2, 12], Operations: ['67-65=2', '40-28=12'] Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 94, 77, 4, 48 ]
61
[ "94-77=17", "48-4=44", "17+44=61" ]
Current State: 61:[94, 77, 4, 48], Operations: [] Exploring Operation: 94-77=17, Resulting Numbers: [4, 48, 17] Generated Node #2: [4, 48, 17] from Operation: 94-77=17 Current State: 61:[4, 48, 17], Operations: ['94-77=17'] Exploring Operation: 48-4=44, Resulting Numbers: [17, 44] Generated Node #3: [17, 44] from Operation: 48-4=44 Current State: 61:[17, 44], Operations: ['94-77=17', '48-4=44'] Exploring Operation: 17+44=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[94, 77, 4, 48], Operations: [] Exploring Operation: 94-4=90, Resulting Numbers: [77, 48, 90] Generated Node #0,0: 61:[77, 48, 90] Operation: 94-4=90 Moving to Node #0,0 Current State: 61:[77, 48, 90], Operations: ['94-4=90'] Exploring Operation: 90-48=42, Resulting Numbers: [77, 42] Generated Node #0,0,0: 61:[77, 42] Operation: 90-48=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[77, 42], Operations: ['94-4=90', '90-48=42'] Exploring Operation: 77-42=35, Resulting Numbers: [35] 35,61 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
[ 9, 5, 49, 5 ]
39
[ "49-9=40", "5/5=1", "40-1=39" ]
Current State: 39:[9, 5, 49, 5], Operations: [] Exploring Operation: 49-9=40, Resulting Numbers: [5, 5, 40] Generated Node #2: [5, 5, 40] from Operation: 49-9=40 Current State: 39:[5, 5, 40], Operations: ['49-9=40'] Exploring Operation: 5/5=1, Resulting Numbers: [40, 1] Generated Node #3: [40, 1] from Operation: 5/5=1 Current State: 39:[40, 1], Operations: ['49-9=40', '5/5=1'] Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[9, 5, 49, 5], Operations: [] Exploring Operation: 49-9=40, Resulting Numbers: [5, 5, 40] Generated Node #0,0: 39:[5, 5, 40] Operation: 49-9=40 Exploring Operation: 9+5=14, Resulting Numbers: [49, 5, 14] Generated Node #0,1: 39:[49, 5, 14] Operation: 9+5=14 Exploring Operation: 49-5=44, Resulting Numbers: [9, 5, 44] Generated Node #0,2: 39:[9, 5, 44] Operation: 49-5=44 Exploring Operation: 49-5=44, Resulting Numbers: [9, 5, 44] Generated Node #0,3: 39:[9, 5, 44] Operation: 49-5=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[5, 5, 40], Operations: ['49-9=40'] Exploring Operation: 5+5=10, Resulting Numbers: [40, 10] Generated Node #0,0,0: 39:[40, 10] Operation: 5+5=10 Exploring Operation: 5-5=0, Resulting Numbers: [40, 0] Generated Node #0,0,1: 39:[40, 0] Operation: 5-5=0 Exploring Operation: 5/5=1, Resulting Numbers: [40, 1] Generated Node #0,0,2: 39:[40, 1] Operation: 5/5=1 Exploring Operation: 40-5=35, Resulting Numbers: [5, 35] Generated Node #0,0,3: 39:[5, 35] Operation: 40-5=35 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 39:[40, 1], Operations: ['49-9=40', '5/5=1'] Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[9, 5, 49, 5], Operations: [] Exploring Operation: 49-9=40, Resulting Numbers: [5, 5, 40] Generated Node #0,0: 39:[5, 5, 40] Operation: 49-9=40 Moving to Node #0,0 Current State: 39:[5, 5, 40], Operations: ['49-9=40'] Exploring Operation: 5/5=1, Resulting Numbers: [40, 1] Generated Node #0,0,2: 39:[40, 1] Operation: 5/5=1 Moving to Node #0,0,2 Current State: 39:[40, 1], Operations: ['49-9=40', '5/5=1'] Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 5, 99, 93, 89 ]
59
[ "99-93=6", "5*6=30", "89-30=59" ]
Current State: 59:[5, 99, 93, 89], Operations: [] Exploring Operation: 99-93=6, Resulting Numbers: [5, 89, 6] Generated Node #2: [5, 89, 6] from Operation: 99-93=6 Current State: 59:[5, 89, 6], Operations: ['99-93=6'] Exploring Operation: 5*6=30, Resulting Numbers: [89, 30] Generated Node #3: [89, 30] from Operation: 5*6=30 Current State: 59:[89, 30], Operations: ['99-93=6', '5*6=30'] Exploring Operation: 89-30=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[5, 99, 93, 89], Operations: [] Exploring Operation: 99-5=94, Resulting Numbers: [93, 89, 94] Generated Node #0,0: 59:[93, 89, 94] Operation: 99-5=94 Exploring Operation: 89-5=84, Resulting Numbers: [99, 93, 84] Generated Node #0,1: 59:[99, 93, 84] Operation: 89-5=84 Exploring Operation: 93-5=88, Resulting Numbers: [99, 89, 88] Generated Node #0,2: 59:[99, 89, 88] Operation: 93-5=88 Moving to Node #0,0 Current State: 59:[93, 89, 94], Operations: ['99-5=94'] Exploring Operation: 94-89=5, Resulting Numbers: [93, 5] Generated Node #0,0,0: 59:[93, 5] Operation: 94-89=5 Exploring Operation: 94-93=1, Resulting Numbers: [89, 1] Generated Node #0,0,1: 59:[89, 1] Operation: 94-93=1 Exploring Operation: 93-89=4, Resulting Numbers: [94, 4] Generated Node #0,0,2: 59:[94, 4] Operation: 93-89=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[93, 5], Operations: ['99-5=94', '94-89=5'] Exploring Operation: 93-5=88, Resulting Numbers: [88] 88,59 unequal: No Solution Exploring Operation: 93+5=98, Resulting Numbers: [98] 98,59 unequal: No Solution Exploring Operation: 93*5=465, Resulting Numbers: [465] 465,59 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 #0,0,1 Current State: 59:[89, 1], Operations: ['99-5=94', '94-93=1'] Exploring Operation: 89/1=89, Resulting Numbers: [89] 89,59 unequal: No Solution Exploring Operation: 89*1=89, Resulting Numbers: [89] 89,59 unequal: No Solution Exploring Operation: 89-1=88, Resulting Numbers: [88] 88,59 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 #0,0,2 Current State: 59:[94, 4], Operations: ['99-5=94', '93-89=4'] Exploring Operation: 94-4=90, Resulting Numbers: [90] 90,59 unequal: No Solution Exploring Operation: 94*4=376, Resulting Numbers: [376] 376,59 unequal: No Solution Exploring Operation: 94+4=98, Resulting Numbers: [98] 98,59 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:[99, 93, 84], Operations: ['89-5=84'] Exploring Operation: 99-93=6, Resulting Numbers: [84, 6] Generated Node #0,1,0: 59:[84, 6] Operation: 99-93=6 Exploring Operation: 93-84=9, Resulting Numbers: [99, 9] Generated Node #0,1,1: 59:[99, 9] Operation: 93-84=9 Exploring Operation: 99-84=15, Resulting Numbers: [93, 15] Generated Node #0,1,2: 59:[93, 15] Operation: 99-84=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[84, 6], Operations: ['89-5=84', '99-93=6'] Exploring Operation: 84+6=90, Resulting Numbers: [90] 90,59 unequal: No Solution Exploring Operation: 84-6=78, Resulting Numbers: [78] 78,59 unequal: No Solution Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,59 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:[93, 15], Operations: ['89-5=84', '99-84=15'] Exploring Operation: 93+15=108, Resulting Numbers: [108] 108,59 unequal: No Solution Exploring Operation: 93-15=78, Resulting Numbers: [78] 78,59 unequal: No Solution Exploring Operation: 93*15=1395, Resulting Numbers: [1395] 1395,59 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:[99, 9], Operations: ['89-5=84', '93-84=9'] Exploring Operation: 99-9=90, Resulting Numbers: [90] 90,59 unequal: No Solution Exploring Operation: 99/9=11, Resulting Numbers: [11] 11,59 unequal: No Solution Exploring Operation: 99+9=108, Resulting Numbers: [108] 108,59 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:[99, 89, 88], Operations: ['93-5=88'] Exploring Operation: 89-88=1, Resulting Numbers: [99, 1] Generated Node #0,2,0: 59:[99, 1] Operation: 89-88=1 Exploring Operation: 99-89=10, Resulting Numbers: [88, 10] Generated Node #0,2,1: 59:[88, 10] Operation: 99-89=10 Exploring Operation: 99-88=11, Resulting Numbers: [89, 11] Generated Node #0,2,2: 59:[89, 11] Operation: 99-88=11 Moving to Node #0,2,1 Current State: 59:[88, 10], Operations: ['93-5=88', '99-89=10'] Exploring Operation: 88*10=880, Resulting Numbers: [880] 880,59 unequal: No Solution Exploring Operation: 88+10=98, Resulting Numbers: [98] 98,59 unequal: No Solution Exploring Operation: 88-10=78, Resulting Numbers: [78] 78,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[89, 11], Operations: ['93-5=88', '99-88=11'] Exploring Operation: 89*11=979, Resulting Numbers: [979] 979,59 unequal: No Solution Exploring Operation: 89-11=78, Resulting Numbers: [78] 78,59 unequal: No Solution Exploring Operation: 89+11=100, Resulting Numbers: [100] 100,59 unequal: No Solution Moving to Node #0,2,0 Current State: 59:[99, 1], Operations: ['93-5=88', '89-88=1'] Exploring Operation: 99-1=98, Resulting Numbers: [98] 98,59 unequal: No Solution Exploring Operation: 99/1=99, Resulting Numbers: [99] 99,59 unequal: No Solution Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,59 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 97, 49, 11, 98 ]
84
[ "97-11=86", "98/49=2", "86-2=84" ]
Current State: 84:[97, 49, 11, 98], Operations: [] Exploring Operation: 97-11=86, Resulting Numbers: [49, 98, 86] Generated Node #2: [49, 98, 86] from Operation: 97-11=86 Current State: 84:[49, 98, 86], Operations: ['97-11=86'] Exploring Operation: 98/49=2, Resulting Numbers: [86, 2] Generated Node #3: [86, 2] from Operation: 98/49=2 Current State: 84:[86, 2], Operations: ['97-11=86', '98/49=2'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[97, 49, 11, 98], Operations: [] Exploring Operation: 98-97=1, Resulting Numbers: [49, 11, 1] Generated Node #0,0: 84:[49, 11, 1] Operation: 98-97=1 Exploring Operation: 98-49=49, Resulting Numbers: [97, 11, 49] Generated Node #0,1: 84:[97, 11, 49] Operation: 98-49=49 Exploring Operation: 98/49=2, Resulting Numbers: [97, 11, 2] Generated Node #0,2: 84:[97, 11, 2] Operation: 98/49=2 Exploring Operation: 97-49=48, Resulting Numbers: [11, 98, 48] Generated Node #0,3: 84:[11, 98, 48] Operation: 97-49=48 Moving to Node #0,0 Current State: 84:[49, 11, 1], Operations: ['98-97=1'] Exploring Operation: 49*1=49, Resulting Numbers: [11, 49] Generated Node #0,0,0: 84:[11, 49] Operation: 49*1=49 Exploring Operation: 11+1=12, Resulting Numbers: [49, 12] Generated Node #0,0,1: 84:[49, 12] Operation: 11+1=12 Exploring Operation: 49-1=48, Resulting Numbers: [11, 48] Generated Node #0,0,2: 84:[11, 48] Operation: 49-1=48 Exploring Operation: 49-11=38, Resulting Numbers: [1, 38] Generated Node #0,0,3: 84:[1, 38] Operation: 49-11=38 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 84:[1, 38], Operations: ['98-97=1', '49-11=38'] Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,84 unequal: No Solution Exploring Operation: 1*38=38, Resulting Numbers: [38] 38,84 unequal: No Solution Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,84 unequal: No Solution Exploring Operation: 1+38=39, Resulting Numbers: [39] 39,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[49, 12], Operations: ['98-97=1', '11+1=12'] Exploring Operation: 49+12=61, Resulting Numbers: [61] 61,84 unequal: No Solution Exploring Operation: 49*12=588, Resulting Numbers: [588] 588,84 unequal: No Solution Exploring Operation: 49-12=37, Resulting Numbers: [37] 37,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 84:[11, 48], Operations: ['98-97=1', '49-1=48'] Exploring Operation: 48-11=37, Resulting Numbers: [37] 37,84 unequal: No Solution Exploring Operation: 11+48=59, Resulting Numbers: [59] 59,84 unequal: No Solution Exploring Operation: 11*48=528, Resulting Numbers: [528] 528,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[11, 49], Operations: ['98-97=1', '49*1=49'] Exploring Operation: 11+49=60, Resulting Numbers: [60] 60,84 unequal: No Solution Exploring Operation: 11*49=539, Resulting Numbers: [539] 539,84 unequal: No Solution Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,84 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: 84:[97, 11, 2], Operations: ['98/49=2'] Exploring Operation: 97-11=86, Resulting Numbers: [2, 86] Generated Node #0,2,0: 84:[2, 86] Operation: 97-11=86 Exploring Operation: 11*2=22, Resulting Numbers: [97, 22] Generated Node #0,2,1: 84:[97, 22] Operation: 11*2=22 Exploring Operation: 11+2=13, Resulting Numbers: [97, 13] Generated Node #0,2,2: 84:[97, 13] Operation: 11+2=13 Exploring Operation: 97-2=95, Resulting Numbers: [11, 95] Generated Node #0,2,3: 84:[11, 95] Operation: 97-2=95 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 84:[2, 86], Operations: ['98/49=2', '97-11=86'] Exploring Operation: 2*86=172, Resulting Numbers: [172] 172,84 unequal: No Solution Exploring Operation: 2+86=88, Resulting Numbers: [88] 88,84 unequal: No Solution Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[97, 49, 11, 98], Operations: [] Exploring Operation: 98/49=2, Resulting Numbers: [97, 11, 2] Generated Node #0,2: 84:[97, 11, 2] Operation: 98/49=2 Moving to Node #0,2 Current State: 84:[97, 11, 2], Operations: ['98/49=2'] Exploring Operation: 97-11=86, Resulting Numbers: [2, 86] Generated Node #0,2,0: 84:[2, 86] Operation: 97-11=86 Moving to Node #0,2,0 Current State: 84:[2, 86], Operations: ['98/49=2', '97-11=86'] Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
mult_heuristic
[ 51, 26, 49, 8 ]
32
[ "51-26=25", "49+8=57", "57-25=32" ]
Current State: 32:[51, 26, 49, 8], Operations: [] Exploring Operation: 51-26=25, Resulting Numbers: [49, 8, 25] Generated Node #2: [49, 8, 25] from Operation: 51-26=25 Current State: 32:[49, 8, 25], Operations: ['51-26=25'] Exploring Operation: 49+8=57, Resulting Numbers: [25, 57] Generated Node #3: [25, 57] from Operation: 49+8=57 Current State: 32:[25, 57], Operations: ['51-26=25', '49+8=57'] Exploring Operation: 57-25=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[51, 26, 49, 8], Operations: [] Exploring Operation: 49-26=23, Resulting Numbers: [51, 8, 23] Generated Node #0,0: 32:[51, 8, 23] Operation: 49-26=23 Exploring Operation: 51-49=2, Resulting Numbers: [26, 8, 2] Generated Node #0,1: 32:[26, 8, 2] Operation: 51-49=2 Exploring Operation: 51-26=25, Resulting Numbers: [49, 8, 25] Generated Node #0,2: 32:[49, 8, 25] Operation: 51-26=25 Moving to Node #0,1 Current State: 32:[26, 8, 2], Operations: ['51-49=2'] Exploring Operation: 26+8=34, Resulting Numbers: [2, 34] Generated Node #0,1,0: 32:[2, 34] Operation: 26+8=34 Exploring Operation: 26/2=13, Resulting Numbers: [8, 13] Generated Node #0,1,1: 32:[8, 13] Operation: 26/2=13 Exploring Operation: 26-8=18, Resulting Numbers: [2, 18] Generated Node #0,1,2: 32:[2, 18] Operation: 26-8=18 Moving to Node #0,2 Current State: 32:[49, 8, 25], Operations: ['51-26=25'] Exploring Operation: 49-8=41, Resulting Numbers: [25, 41] Generated Node #0,2,0: 32:[25, 41] Operation: 49-8=41 Exploring Operation: 8+25=33, Resulting Numbers: [49, 33] Generated Node #0,2,1: 32:[49, 33] Operation: 8+25=33 Exploring Operation: 49-25=24, Resulting Numbers: [8, 24] Generated Node #0,2,2: 32:[8, 24] Operation: 49-25=24 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 32:[8, 24], Operations: ['51-26=25', '49-25=24'] Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[51, 26, 49, 8], Operations: [] Exploring Operation: 51-26=25, Resulting Numbers: [49, 8, 25] Generated Node #0,2: 32:[49, 8, 25] Operation: 51-26=25 Moving to Node #0,2 Current State: 32:[49, 8, 25], Operations: ['51-26=25'] Exploring Operation: 49-25=24, Resulting Numbers: [8, 24] Generated Node #0,2,2: 32:[8, 24] Operation: 49-25=24 Moving to Node #0,2,2 Current State: 32:[8, 24], Operations: ['51-26=25', '49-25=24'] Exploring Operation: 8+24=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 64, 15, 97, 97 ]
49
[ "64-15=49", "97-97=0", "49+0=49" ]
Current State: 49:[64, 15, 97, 97], Operations: [] Exploring Operation: 64-15=49, Resulting Numbers: [97, 97, 49] Generated Node #2: [97, 97, 49] from Operation: 64-15=49 Current State: 49:[97, 97, 49], Operations: ['64-15=49'] Exploring Operation: 97-97=0, Resulting Numbers: [49, 0] Generated Node #3: [49, 0] from Operation: 97-97=0 Current State: 49:[49, 0], Operations: ['64-15=49', '97-97=0'] Exploring Operation: 49+0=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[64, 15, 97, 97], Operations: [] Exploring Operation: 64-15=49, Resulting Numbers: [97, 97, 49] Generated Node #0,0: 49:[97, 97, 49] Operation: 64-15=49 Exploring Operation: 97-97=0, Resulting Numbers: [64, 15, 0] Generated Node #0,1: 49:[64, 15, 0] Operation: 97-97=0 Exploring Operation: 97-64=33, Resulting Numbers: [15, 97, 33] Generated Node #0,2: 49:[15, 97, 33] Operation: 97-64=33 Exploring Operation: 97-64=33, Resulting Numbers: [15, 97, 33] Generated Node #0,3: 49:[15, 97, 33] Operation: 97-64=33 Exploring Operation: 97/97=1, Resulting Numbers: [64, 15, 1] Generated Node #0,4: 49:[64, 15, 1] Operation: 97/97=1 Start Sub Search at level 1: Moving to Node #0,4 Current State: 49:[64, 15, 1], Operations: ['97/97=1'] Exploring Operation: 64-1=63, Resulting Numbers: [15, 63] Generated Node #0,4,0: 49:[15, 63] Operation: 64-1=63 Exploring Operation: 15-1=14, Resulting Numbers: [64, 14] Generated Node #0,4,1: 49:[64, 14] Operation: 15-1=14 Exploring Operation: 64/1=64, Resulting Numbers: [15, 64] Generated Node #0,4,2: 49:[15, 64] Operation: 64/1=64 Exploring Operation: 64*1=64, Resulting Numbers: [15, 64] Generated Node #0,4,3: 49:[15, 64] Operation: 64*1=64 Exploring Operation: 64-15=49, Resulting Numbers: [1, 49] Generated Node #0,4,4: 49:[1, 49] Operation: 64-15=49 Moving to Node #0,4,4 Current State: 49:[1, 49], Operations: ['97/97=1', '64-15=49'] Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[64, 15, 97, 97], Operations: [] Exploring Operation: 97/97=1, Resulting Numbers: [64, 15, 1] Generated Node #0,4: 49:[64, 15, 1] Operation: 97/97=1 Moving to Node #0,4 Current State: 49:[64, 15, 1], Operations: ['97/97=1'] Exploring Operation: 64-15=49, Resulting Numbers: [1, 49] Generated Node #0,4,4: 49:[1, 49] Operation: 64-15=49 Moving to Node #0,4,4 Current State: 49:[1, 49], Operations: ['97/97=1', '64-15=49'] Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 2, 85, 75, 88 ]
96
[ "85-2=83", "88-75=13", "83+13=96" ]
Current State: 96:[2, 85, 75, 88], Operations: [] Exploring Operation: 85-2=83, Resulting Numbers: [75, 88, 83] Generated Node #2: [75, 88, 83] from Operation: 85-2=83 Current State: 96:[75, 88, 83], Operations: ['85-2=83'] Exploring Operation: 88-75=13, Resulting Numbers: [83, 13] Generated Node #3: [83, 13] from Operation: 88-75=13 Current State: 96:[83, 13], Operations: ['85-2=83', '88-75=13'] Exploring Operation: 83+13=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[2, 85, 75, 88], Operations: [] Exploring Operation: 85-75=10, Resulting Numbers: [2, 88, 10] Generated Node #0,0: 96:[2, 88, 10] Operation: 85-75=10 Exploring Operation: 88-75=13, Resulting Numbers: [2, 85, 13] Generated Node #0,1: 96:[2, 85, 13] Operation: 88-75=13 Moving to Node #0,0 Current State: 96:[2, 88, 10], Operations: ['85-75=10'] Exploring Operation: 88+10=98, Resulting Numbers: [2, 98] Generated Node #0,0,0: 96:[2, 98] Operation: 88+10=98 Exploring Operation: 88/2=44, Resulting Numbers: [10, 44] Generated Node #0,0,1: 96:[10, 44] Operation: 88/2=44 Moving to Node #0,1 Current State: 96:[2, 85, 13], Operations: ['88-75=13'] Exploring Operation: 85+13=98, Resulting Numbers: [2, 98] Generated Node #0,1,0: 96:[2, 98] Operation: 85+13=98 Exploring Operation: 2+85=87, Resulting Numbers: [13, 87] Generated Node #0,1,1: 96:[13, 87] Operation: 2+85=87 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[2, 98], Operations: ['88-75=13', '85+13=98'] Exploring Operation: 98-2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[2, 85, 75, 88], Operations: [] Exploring Operation: 88-75=13, Resulting Numbers: [2, 85, 13] Generated Node #0,1: 96:[2, 85, 13] Operation: 88-75=13 Moving to Node #0,1 Current State: 96:[2, 85, 13], Operations: ['88-75=13'] Exploring Operation: 85+13=98, Resulting Numbers: [2, 98] Generated Node #0,1,0: 96:[2, 98] Operation: 85+13=98 Moving to Node #0,1,0 Current State: 96:[2, 98], Operations: ['88-75=13', '85+13=98'] Exploring Operation: 98-2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 84, 47, 68, 85 ]
54
[ "84-47=37", "85-68=17", "37+17=54" ]
Current State: 54:[84, 47, 68, 85], Operations: [] Exploring Operation: 84-47=37, Resulting Numbers: [68, 85, 37] Generated Node #2: [68, 85, 37] from Operation: 84-47=37 Current State: 54:[68, 85, 37], Operations: ['84-47=37'] Exploring Operation: 85-68=17, Resulting Numbers: [37, 17] Generated Node #3: [37, 17] from Operation: 85-68=17 Current State: 54:[37, 17], Operations: ['84-47=37', '85-68=17'] Exploring Operation: 37+17=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[84, 47, 68, 85], Operations: [] Exploring Operation: 85-84=1, Resulting Numbers: [47, 68, 1] Generated Node #0,0: 54:[47, 68, 1] Operation: 85-84=1 Exploring Operation: 85-68=17, Resulting Numbers: [84, 47, 17] Generated Node #0,1: 54:[84, 47, 17] Operation: 85-68=17 Exploring Operation: 84-68=16, Resulting Numbers: [47, 85, 16] Generated Node #0,2: 54:[47, 85, 16] Operation: 84-68=16 Exploring Operation: 84-47=37, Resulting Numbers: [68, 85, 37] Generated Node #0,3: 54:[68, 85, 37] Operation: 84-47=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[47, 68, 1], Operations: ['85-84=1'] Exploring Operation: 68-1=67, Resulting Numbers: [47, 67] Generated Node #0,0,0: 54:[47, 67] Operation: 68-1=67 Exploring Operation: 47*1=47, Resulting Numbers: [68, 47] Generated Node #0,0,1: 54:[68, 47] Operation: 47*1=47 Exploring Operation: 68-47=21, Resulting Numbers: [1, 21] Generated Node #0,0,2: 54:[1, 21] Operation: 68-47=21 Exploring Operation: 47+1=48, Resulting Numbers: [68, 48] Generated Node #0,0,3: 54:[68, 48] Operation: 47+1=48 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 54:[1, 21], Operations: ['85-84=1', '68-47=21'] Exploring Operation: 21/1=21, Resulting Numbers: [21] 21,54 unequal: No Solution Exploring Operation: 1*21=21, Resulting Numbers: [21] 21,54 unequal: No Solution Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,54 unequal: No Solution Exploring Operation: 1+21=22, Resulting Numbers: [22] 22,54 unequal: No Solution No 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: 54:[47, 67], Operations: ['85-84=1', '68-1=67'] Exploring Operation: 47*67=3149, Resulting Numbers: [3149] 3149,54 unequal: No Solution Exploring Operation: 47+67=114, Resulting Numbers: [114] 114,54 unequal: No Solution Exploring Operation: 67-47=20, Resulting Numbers: [20] 20,54 unequal: No Solution No 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: 54:[68, 48], Operations: ['85-84=1', '47+1=48'] Exploring Operation: 68+48=116, Resulting Numbers: [116] 116,54 unequal: No Solution Exploring Operation: 68*48=3264, Resulting Numbers: [3264] 3264,54 unequal: No Solution Exploring Operation: 68-48=20, Resulting Numbers: [20] 20,54 unequal: No Solution No 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: 54:[68, 47], Operations: ['85-84=1', '47*1=47'] Exploring Operation: 68+47=115, Resulting Numbers: [115] 115,54 unequal: No Solution Exploring Operation: 68-47=21, Resulting Numbers: [21] 21,54 unequal: No Solution Exploring Operation: 68*47=3196, Resulting Numbers: [3196] 3196,54 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: 54:[84, 47, 17], Operations: ['85-68=17'] Exploring Operation: 47+17=64, Resulting Numbers: [84, 64] Generated Node #0,1,0: 54:[84, 64] Operation: 47+17=64 Exploring Operation: 47-17=30, Resulting Numbers: [84, 30] Generated Node #0,1,1: 54:[84, 30] Operation: 47-17=30 Exploring Operation: 84-47=37, Resulting Numbers: [17, 37] Generated Node #0,1,2: 54:[17, 37] Operation: 84-47=37 Exploring Operation: 84-17=67, Resulting Numbers: [47, 67] Generated Node #0,1,3: 54:[47, 67] Operation: 84-17=67 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 54:[17, 37], Operations: ['85-68=17', '84-47=37'] Exploring Operation: 17*37=629, Resulting Numbers: [629] 629,54 unequal: No Solution Exploring Operation: 17+37=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[84, 47, 68, 85], Operations: [] Exploring Operation: 85-68=17, Resulting Numbers: [84, 47, 17] Generated Node #0,1: 54:[84, 47, 17] Operation: 85-68=17 Moving to Node #0,1 Current State: 54:[84, 47, 17], Operations: ['85-68=17'] Exploring Operation: 84-47=37, Resulting Numbers: [17, 37] Generated Node #0,1,2: 54:[17, 37] Operation: 84-47=37 Moving to Node #0,1,2 Current State: 54:[17, 37], Operations: ['85-68=17', '84-47=37'] Exploring Operation: 17+37=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.97309
hs_4
sum_heuristic
[ 73, 30, 43, 14 ]
73
[ "43-30=13", "14-13=1", "73*1=73" ]
Current State: 73:[73, 30, 43, 14], Operations: [] Exploring Operation: 43-30=13, Resulting Numbers: [73, 14, 13] Generated Node #2: [73, 14, 13] from Operation: 43-30=13 Current State: 73:[73, 14, 13], Operations: ['43-30=13'] Exploring Operation: 14-13=1, Resulting Numbers: [73, 1] Generated Node #3: [73, 1] from Operation: 14-13=1 Current State: 73:[73, 1], Operations: ['43-30=13', '14-13=1'] Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[73, 30, 43, 14], Operations: [] Exploring Operation: 30+43=73, Resulting Numbers: [73, 14, 73] Generated Node #0,0: 73:[73, 14, 73] Operation: 30+43=73 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[73, 14, 73], Operations: ['30+43=73'] Exploring Operation: 73+14=87, Resulting Numbers: [73, 87] Generated Node #0,0,0: 73:[73, 87] Operation: 73+14=87 Moving to Node #0,0,0 Current State: 73:[73, 87], Operations: ['30+43=73', '73+14=87'] Exploring Operation: 87-73=14, Resulting Numbers: [14] 14,73 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
[ 7, 96, 49, 27 ]
81
[ "7+96=103", "49-27=22", "103-22=81" ]
Current State: 81:[7, 96, 49, 27], Operations: [] Exploring Operation: 7+96=103, Resulting Numbers: [49, 27, 103] Generated Node #2: [49, 27, 103] from Operation: 7+96=103 Current State: 81:[49, 27, 103], Operations: ['7+96=103'] Exploring Operation: 49-27=22, Resulting Numbers: [103, 22] Generated Node #3: [103, 22] from Operation: 49-27=22 Current State: 81:[103, 22], Operations: ['7+96=103', '49-27=22'] Exploring Operation: 103-22=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[7, 96, 49, 27], Operations: [] Exploring Operation: 96-49=47, Resulting Numbers: [7, 27, 47] Generated Node #0,0: 81:[7, 27, 47] Operation: 96-49=47 Exploring Operation: 49/7=7, Resulting Numbers: [96, 27, 7] Generated Node #0,1: 81:[96, 27, 7] Operation: 49/7=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[96, 27, 7], Operations: ['49/7=7'] Exploring Operation: 96-27=69, Resulting Numbers: [7, 69] Generated Node #0,1,0: 81:[7, 69] Operation: 96-27=69 Exploring Operation: 96-7=89, Resulting Numbers: [27, 89] Generated Node #0,1,1: 81:[27, 89] Operation: 96-7=89 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 81:[27, 89], Operations: ['49/7=7', '96-7=89'] Exploring Operation: 27+89=116, Resulting Numbers: [116] 116,81 unequal: No Solution Exploring Operation: 89-27=62, Resulting Numbers: [62] 62,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 81:[7, 69], Operations: ['49/7=7', '96-27=69'] Exploring Operation: 7+69=76, Resulting Numbers: [76] 76,81 unequal: No Solution Exploring Operation: 69-7=62, Resulting Numbers: [62] 62,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[7, 27, 47], Operations: ['96-49=47'] Exploring Operation: 47-27=20, Resulting Numbers: [7, 20] Generated Node #0,0,0: 81:[7, 20] Operation: 47-27=20 Exploring Operation: 27+47=74, Resulting Numbers: [7, 74] Generated Node #0,0,1: 81:[7, 74] Operation: 27+47=74 Moving to Node #0,0,0 Current State: 81:[7, 20], Operations: ['96-49=47', '47-27=20'] Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,81 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[7, 74], Operations: ['96-49=47', '27+47=74'] Exploring Operation: 74-7=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 7+74=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[7, 96, 49, 27], Operations: [] Exploring Operation: 96-49=47, Resulting Numbers: [7, 27, 47] Generated Node #0,0: 81:[7, 27, 47] Operation: 96-49=47 Moving to Node #0,0 Current State: 81:[7, 27, 47], Operations: ['96-49=47'] Exploring Operation: 27+47=74, Resulting Numbers: [7, 74] Generated Node #0,0,1: 81:[7, 74] Operation: 27+47=74 Moving to Node #0,0,1 Current State: 81:[7, 74], Operations: ['96-49=47', '27+47=74'] Exploring Operation: 7+74=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
mult_heuristic
[ 24, 49, 79, 2 ]
78
[ "24*2=48", "79-49=30", "48+30=78" ]
Current State: 78:[24, 49, 79, 2], Operations: [] Exploring Operation: 24*2=48, Resulting Numbers: [49, 79, 48] Generated Node #2: [49, 79, 48] from Operation: 24*2=48 Current State: 78:[49, 79, 48], Operations: ['24*2=48'] Exploring Operation: 79-49=30, Resulting Numbers: [48, 30] Generated Node #3: [48, 30] from Operation: 79-49=30 Current State: 78:[48, 30], Operations: ['24*2=48', '79-49=30'] Exploring Operation: 48+30=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[24, 49, 79, 2], Operations: [] Exploring Operation: 24+2=26, Resulting Numbers: [49, 79, 26] Generated Node #0,0: 78:[49, 79, 26] Operation: 24+2=26 Exploring Operation: 79-49=30, Resulting Numbers: [24, 2, 30] Generated Node #0,1: 78:[24, 2, 30] Operation: 79-49=30 Exploring Operation: 49-2=47, Resulting Numbers: [24, 79, 47] Generated Node #0,2: 78:[24, 79, 47] Operation: 49-2=47 Exploring Operation: 49-24=25, Resulting Numbers: [79, 2, 25] Generated Node #0,3: 78:[79, 2, 25] Operation: 49-24=25 Exploring Operation: 24+49=73, Resulting Numbers: [79, 2, 73] Generated Node #0,4: 78:[79, 2, 73] Operation: 24+49=73 Moving to Node #0,3 Current State: 78:[79, 2, 25], Operations: ['49-24=25'] Exploring Operation: 79+2=81, Resulting Numbers: [25, 81] Generated Node #0,3,0: 78:[25, 81] Operation: 79+2=81 Exploring Operation: 2+25=27, Resulting Numbers: [79, 27] Generated Node #0,3,1: 78:[79, 27] Operation: 2+25=27 Exploring Operation: 79-2=77, Resulting Numbers: [25, 77] Generated Node #0,3,2: 78:[25, 77] Operation: 79-2=77 Exploring Operation: 2*25=50, Resulting Numbers: [79, 50] Generated Node #0,3,3: 78:[79, 50] Operation: 2*25=50 Exploring Operation: 25-2=23, Resulting Numbers: [79, 23] Generated Node #0,3,4: 78:[79, 23] Operation: 25-2=23 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 78:[79, 27], Operations: ['49-24=25', '2+25=27'] Exploring Operation: 79*27=2133, Resulting Numbers: [2133] 2133,78 unequal: No Solution Exploring Operation: 79-27=52, Resulting Numbers: [52] 52,78 unequal: No Solution Exploring Operation: 79+27=106, Resulting Numbers: [106] 106,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 78:[25, 77], Operations: ['49-24=25', '79-2=77'] Exploring Operation: 77-25=52, Resulting Numbers: [52] 52,78 unequal: No Solution Exploring Operation: 25*77=1925, Resulting Numbers: [1925] 1925,78 unequal: No Solution Exploring Operation: 25+77=102, Resulting Numbers: [102] 102,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 78:[25, 81], Operations: ['49-24=25', '79+2=81'] Exploring Operation: 25+81=106, Resulting Numbers: [106] 106,78 unequal: No Solution Exploring Operation: 25*81=2025, Resulting Numbers: [2025] 2025,78 unequal: No Solution Exploring Operation: 81-25=56, Resulting Numbers: [56] 56,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 78:[79, 23], Operations: ['49-24=25', '25-2=23'] Exploring Operation: 79+23=102, Resulting Numbers: [102] 102,78 unequal: No Solution Exploring Operation: 79-23=56, Resulting Numbers: [56] 56,78 unequal: No Solution Exploring Operation: 79*23=1817, Resulting Numbers: [1817] 1817,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 78:[79, 50], Operations: ['49-24=25', '2*25=50'] Exploring Operation: 79-50=29, Resulting Numbers: [29] 29,78 unequal: No Solution Exploring Operation: 79+50=129, Resulting Numbers: [129] 129,78 unequal: No Solution Exploring Operation: 79*50=3950, Resulting Numbers: [3950] 3950,78 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: 78:[79, 2, 73], Operations: ['24+49=73'] Exploring Operation: 2+73=75, Resulting Numbers: [79, 75] Generated Node #0,4,0: 78:[79, 75] Operation: 2+73=75 Exploring Operation: 79-2=77, Resulting Numbers: [73, 77] Generated Node #0,4,1: 78:[73, 77] Operation: 79-2=77 Exploring Operation: 79-73=6, Resulting Numbers: [2, 6] Generated Node #0,4,2: 78:[2, 6] Operation: 79-73=6 Exploring Operation: 73-2=71, Resulting Numbers: [79, 71] Generated Node #0,4,3: 78:[79, 71] Operation: 73-2=71 Exploring Operation: 79+2=81, Resulting Numbers: [73, 81] Generated Node #0,4,4: 78:[73, 81] Operation: 79+2=81 Moving to Node #0,1 Current State: 78:[24, 2, 30], Operations: ['79-49=30'] Exploring Operation: 24/2=12, Resulting Numbers: [30, 12] Generated Node #0,1,0: 78:[30, 12] Operation: 24/2=12 Exploring Operation: 30/2=15, Resulting Numbers: [24, 15] Generated Node #0,1,1: 78:[24, 15] Operation: 30/2=15 Exploring Operation: 24+2=26, Resulting Numbers: [30, 26] Generated Node #0,1,2: 78:[30, 26] Operation: 24+2=26 Exploring Operation: 30-24=6, Resulting Numbers: [2, 6] Generated Node #0,1,3: 78:[2, 6] Operation: 30-24=6 Exploring Operation: 30-2=28, Resulting Numbers: [24, 28] Generated Node #0,1,4: 78:[24, 28] Operation: 30-2=28 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 78:[2, 6], Operations: ['79-49=30', '30-24=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,78 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,78 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,78 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 78:[24, 15], Operations: ['79-49=30', '30/2=15'] Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,78 unequal: No Solution Exploring Operation: 24*15=360, Resulting Numbers: [360] 360,78 unequal: No Solution Exploring Operation: 24+15=39, Resulting Numbers: [39] 39,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 78:[30, 26], Operations: ['79-49=30', '24+2=26'] Exploring Operation: 30*26=780, Resulting Numbers: [780] 780,78 unequal: No Solution Exploring Operation: 30+26=56, Resulting Numbers: [56] 56,78 unequal: No Solution Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 78:[24, 28], Operations: ['79-49=30', '30-2=28'] Exploring Operation: 24*28=672, Resulting Numbers: [672] 672,78 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 24+28=52, Resulting Numbers: [52] 52,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[30, 12], Operations: ['79-49=30', '24/2=12'] Exploring Operation: 30*12=360, Resulting Numbers: [360] 360,78 unequal: No Solution Exploring Operation: 30+12=42, Resulting Numbers: [42] 42,78 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,78 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: 78:[49, 79, 26], Operations: ['24+2=26'] Exploring Operation: 79-49=30, Resulting Numbers: [26, 30] Generated Node #0,0,0: 78:[26, 30] Operation: 79-49=30 Exploring Operation: 79-26=53, Resulting Numbers: [49, 53] Generated Node #0,0,1: 78:[49, 53] Operation: 79-26=53 Exploring Operation: 49+26=75, Resulting Numbers: [79, 75] Generated Node #0,0,2: 78:[79, 75] Operation: 49+26=75 Exploring Operation: 49-26=23, Resulting Numbers: [79, 23] Generated Node #0,0,3: 78:[79, 23] Operation: 49-26=23 Exploring Operation: 79+26=105, Resulting Numbers: [49, 105] Generated Node #0,0,4: 78:[49, 105] Operation: 79+26=105 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 78:[26, 30], Operations: ['24+2=26', '79-49=30'] Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,78 unequal: No Solution Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 26*30=780, Resulting Numbers: [780] 780,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 78:[79, 75], Operations: ['24+2=26', '49+26=75'] Exploring Operation: 79+75=154, Resulting Numbers: [154] 154,78 unequal: No Solution Exploring Operation: 79*75=5925, Resulting Numbers: [5925] 5925,78 unequal: No Solution Exploring Operation: 79-75=4, Resulting Numbers: [4] 4,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 78:[79, 23], Operations: ['24+2=26', '49-26=23'] Exploring Operation: 79+23=102, Resulting Numbers: [102] 102,78 unequal: No Solution Exploring Operation: 79-23=56, Resulting Numbers: [56] 56,78 unequal: No Solution Exploring Operation: 79*23=1817, Resulting Numbers: [1817] 1817,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 78:[49, 53], Operations: ['24+2=26', '79-26=53'] Exploring Operation: 49*53=2597, Resulting Numbers: [2597] 2597,78 unequal: No Solution Exploring Operation: 53-49=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 49+53=102, Resulting Numbers: [102] 102,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 78:[49, 105], Operations: ['24+2=26', '79+26=105'] Exploring Operation: 105-49=56, Resulting Numbers: [56] 56,78 unequal: No Solution Exploring Operation: 49*105=5145, Resulting Numbers: [5145] 5145,78 unequal: No Solution Exploring Operation: 49+105=154, Resulting Numbers: [154] 154,78 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: 78:[24, 79, 47], Operations: ['49-2=47'] Exploring Operation: 79-47=32, Resulting Numbers: [24, 32] Generated Node #0,2,0: 78:[24, 32] Operation: 79-47=32 Exploring Operation: 47-24=23, Resulting Numbers: [79, 23] Generated Node #0,2,1: 78:[79, 23] Operation: 47-24=23 Exploring Operation: 79-24=55, Resulting Numbers: [47, 55] Generated Node #0,2,2: 78:[47, 55] Operation: 79-24=55 Exploring Operation: 24+79=103, Resulting Numbers: [47, 103] Generated Node #0,2,3: 78:[47, 103] Operation: 24+79=103 Exploring Operation: 24+47=71, Resulting Numbers: [79, 71] Generated Node #0,2,4: 78:[79, 71] Operation: 24+47=71 Moving to Node #0,4,2 Current State: 78:[2, 6], Operations: ['24+49=73', '79-73=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,78 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,78 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,78 unequal: No Solution Moving to Node #0,2,1 Current State: 78:[79, 23], Operations: ['49-2=47', '47-24=23'] Exploring Operation: 79+23=102, Resulting Numbers: [102] 102,78 unequal: No Solution Exploring Operation: 79-23=56, Resulting Numbers: [56] 56,78 unequal: No Solution Exploring Operation: 79*23=1817, Resulting Numbers: [1817] 1817,78 unequal: No Solution Moving to Node #0,4,0 Current State: 78:[79, 75], Operations: ['24+49=73', '2+73=75'] Exploring Operation: 79-75=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 79+75=154, Resulting Numbers: [154] 154,78 unequal: No Solution Exploring Operation: 79*75=5925, Resulting Numbers: [5925] 5925,78 unequal: No Solution Moving to Node #0,4,1 Current State: 78:[73, 77], Operations: ['24+49=73', '79-2=77'] Exploring Operation: 73+77=150, Resulting Numbers: [150] 150,78 unequal: No Solution Exploring Operation: 73*77=5621, Resulting Numbers: [5621] 5621,78 unequal: No Solution Exploring Operation: 77-73=4, Resulting Numbers: [4] 4,78 unequal: No Solution Moving to Node #0,2,0 Current State: 78:[24, 32], Operations: ['49-2=47', '79-47=32'] Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,78 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,78 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,78 unequal: No Solution Moving to Node #0,2,4 Current State: 78:[79, 71], Operations: ['49-2=47', '24+47=71'] Exploring Operation: 79*71=5609, Resulting Numbers: [5609] 5609,78 unequal: No Solution Exploring Operation: 79-71=8, Resulting Numbers: [8] 8,78 unequal: No Solution Exploring Operation: 79+71=150, Resulting Numbers: [150] 150,78 unequal: No Solution Moving to Node #0,4,4 Current State: 78:[73, 81], Operations: ['24+49=73', '79+2=81'] Exploring Operation: 73*81=5913, Resulting Numbers: [5913] 5913,78 unequal: No Solution Exploring Operation: 73+81=154, Resulting Numbers: [154] 154,78 unequal: No Solution Exploring Operation: 81-73=8, Resulting Numbers: [8] 8,78 unequal: No Solution Moving to Node #0,4,3 Current State: 78:[79, 71], Operations: ['24+49=73', '73-2=71'] Exploring Operation: 79+71=150, Resulting Numbers: [150] 150,78 unequal: No Solution Exploring Operation: 79-71=8, Resulting Numbers: [8] 8,78 unequal: No Solution Exploring Operation: 79*71=5609, Resulting Numbers: [5609] 5609,78 unequal: No Solution Moving to Node #0,2,2 Current State: 78:[47, 55], Operations: ['49-2=47', '79-24=55'] Exploring Operation: 47+55=102, Resulting Numbers: [102] 102,78 unequal: No Solution Exploring Operation: 47*55=2585, Resulting Numbers: [2585] 2585,78 unequal: No Solution Exploring Operation: 55-47=8, Resulting Numbers: [8] 8,78 unequal: No Solution Moving to Node #0,2,3 Current State: 78:[47, 103], Operations: ['49-2=47', '24+79=103'] Exploring Operation: 47+103=150, Resulting Numbers: [150] 150,78 unequal: No Solution Exploring Operation: 103-47=56, Resulting Numbers: [56] 56,78 unequal: No Solution Exploring Operation: 47*103=4841, Resulting Numbers: [4841] 4841,78 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 17, 1, 36, 51 ]
12
[ "17*1=17", "36*17=612", "612/51=12" ]
Current State: 12:[17, 1, 36, 51], Operations: [] Exploring Operation: 17*1=17, Resulting Numbers: [36, 51, 17] Generated Node #2: [36, 51, 17] from Operation: 17*1=17 Current State: 12:[36, 51, 17], Operations: ['17*1=17'] Exploring Operation: 36*17=612, Resulting Numbers: [51, 612] Generated Node #3: [51, 612] from Operation: 36*17=612 Current State: 12:[51, 612], Operations: ['17*1=17', '36*17=612'] Exploring Operation: 612/51=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[17, 1, 36, 51], Operations: [] Exploring Operation: 51-36=15, Resulting Numbers: [17, 1, 15] Generated Node #0,0: 12:[17, 1, 15] Operation: 51-36=15 Moving to Node #0,0 Current State: 12:[17, 1, 15], Operations: ['51-36=15'] Exploring Operation: 17-15=2, Resulting Numbers: [1, 2] Generated Node #0,0,0: 12:[1, 2] Operation: 17-15=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[1, 2], Operations: ['51-36=15', '17-15=2'] Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,12 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
[ 92, 57, 23, 12 ]
95
[ "57+12=69", "69/23=3", "92+3=95" ]
Current State: 95:[92, 57, 23, 12], Operations: [] Exploring Operation: 57+12=69, Resulting Numbers: [92, 23, 69] Generated Node #2: [92, 23, 69] from Operation: 57+12=69 Current State: 95:[92, 23, 69], Operations: ['57+12=69'] Exploring Operation: 69/23=3, Resulting Numbers: [92, 3] Generated Node #3: [92, 3] from Operation: 69/23=3 Current State: 95:[92, 3], Operations: ['57+12=69', '69/23=3'] Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[92, 57, 23, 12], Operations: [] Exploring Operation: 57+23=80, Resulting Numbers: [92, 12, 80] Generated Node #0,0: 95:[92, 12, 80] Operation: 57+23=80 Exploring Operation: 57-23=34, Resulting Numbers: [92, 12, 34] Generated Node #0,1: 95:[92, 12, 34] Operation: 57-23=34 Moving to Node #0,0 Current State: 95:[92, 12, 80], Operations: ['57+23=80'] Exploring Operation: 92-80=12, Resulting Numbers: [12, 12] Generated Node #0,0,0: 95:[12, 12] Operation: 92-80=12 Exploring Operation: 12+80=92, Resulting Numbers: [92, 92] Generated Node #0,0,1: 95:[92, 92] Operation: 12+80=92 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 95:[92, 92], Operations: ['57+23=80', '12+80=92'] Exploring Operation: 92/92=1, Resulting Numbers: [1] 1,95 unequal: No Solution Exploring Operation: 92-92=0, Resulting Numbers: [0] 0,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[12, 12], Operations: ['57+23=80', '92-80=12'] Exploring Operation: 12+12=24, Resulting Numbers: [24] 24,95 unequal: No Solution Exploring Operation: 12/12=1, Resulting Numbers: [1] 1,95 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: 95:[92, 12, 34], Operations: ['57-23=34'] Exploring Operation: 34-12=22, Resulting Numbers: [92, 22] Generated Node #0,1,0: 95:[92, 22] Operation: 34-12=22 Exploring Operation: 92+12=104, Resulting Numbers: [34, 104] Generated Node #0,1,1: 95:[34, 104] Operation: 92+12=104 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 95:[92, 22], Operations: ['57-23=34', '34-12=22'] Exploring Operation: 92+22=114, Resulting Numbers: [114] 114,95 unequal: No Solution Exploring Operation: 92-22=70, Resulting Numbers: [70] 70,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 95:[34, 104], Operations: ['57-23=34', '92+12=104'] Exploring Operation: 34+104=138, Resulting Numbers: [138] 138,95 unequal: No Solution Exploring Operation: 104-34=70, Resulting Numbers: [70] 70,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 12, 21, 3, 55 ]
70
[ "12*3=36", "55-21=34", "36+34=70" ]
Current State: 70:[12, 21, 3, 55], Operations: [] Exploring Operation: 12*3=36, Resulting Numbers: [21, 55, 36] Generated Node #2: [21, 55, 36] from Operation: 12*3=36 Current State: 70:[21, 55, 36], Operations: ['12*3=36'] Exploring Operation: 55-21=34, Resulting Numbers: [36, 34] Generated Node #3: [36, 34] from Operation: 55-21=34 Current State: 70:[36, 34], Operations: ['12*3=36', '55-21=34'] Exploring Operation: 36+34=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[12, 21, 3, 55], Operations: [] Exploring Operation: 55-21=34, Resulting Numbers: [12, 3, 34] Generated Node #0,0: 70:[12, 3, 34] Operation: 55-21=34 Exploring Operation: 21-12=9, Resulting Numbers: [3, 55, 9] Generated Node #0,1: 70:[3, 55, 9] Operation: 21-12=9 Exploring Operation: 21+55=76, Resulting Numbers: [12, 3, 76] Generated Node #0,2: 70:[12, 3, 76] Operation: 21+55=76 Exploring Operation: 12+55=67, Resulting Numbers: [21, 3, 67] Generated Node #0,3: 70:[21, 3, 67] Operation: 12+55=67 Exploring Operation: 55-12=43, Resulting Numbers: [21, 3, 43] Generated Node #0,4: 70:[21, 3, 43] Operation: 55-12=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[12, 3, 34], Operations: ['55-21=34'] Exploring Operation: 12-3=9, Resulting Numbers: [34, 9] Generated Node #0,0,0: 70:[34, 9] Operation: 12-3=9 Exploring Operation: 12*3=36, Resulting Numbers: [34, 36] Generated Node #0,0,1: 70:[34, 36] Operation: 12*3=36 Exploring Operation: 12+3=15, Resulting Numbers: [34, 15] Generated Node #0,0,2: 70:[34, 15] Operation: 12+3=15 Exploring Operation: 3+34=37, Resulting Numbers: [12, 37] Generated Node #0,0,3: 70:[12, 37] Operation: 3+34=37 Exploring Operation: 12/3=4, Resulting Numbers: [34, 4] Generated Node #0,0,4: 70:[34, 4] Operation: 12/3=4 Moving to Node #0,0,0 Current State: 70:[34, 9], Operations: ['55-21=34', '12-3=9'] Exploring Operation: 34*9=306, Resulting Numbers: [306] 306,70 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,70 unequal: No Solution Exploring Operation: 34+9=43, Resulting Numbers: [43] 43,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[34, 15], Operations: ['55-21=34', '12+3=15'] Exploring Operation: 34+15=49, Resulting Numbers: [49] 49,70 unequal: No Solution Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 34*15=510, Resulting Numbers: [510] 510,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[34, 36], Operations: ['55-21=34', '12*3=36'] Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 34+36=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[12, 21, 3, 55], Operations: [] Exploring Operation: 55-21=34, Resulting Numbers: [12, 3, 34] Generated Node #0,0: 70:[12, 3, 34] Operation: 55-21=34 Moving to Node #0,0 Current State: 70:[12, 3, 34], Operations: ['55-21=34'] Exploring Operation: 12*3=36, Resulting Numbers: [34, 36] Generated Node #0,0,1: 70:[34, 36] Operation: 12*3=36 Moving to Node #0,0,1 Current State: 70:[34, 36], Operations: ['55-21=34', '12*3=36'] Exploring Operation: 34+36=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 39, 11, 72, 65 ]
38
[ "72-65=7", "11*7=77", "77-39=38" ]
Current State: 38:[39, 11, 72, 65], Operations: [] Exploring Operation: 72-65=7, Resulting Numbers: [39, 11, 7] Generated Node #2: [39, 11, 7] from Operation: 72-65=7 Current State: 38:[39, 11, 7], Operations: ['72-65=7'] Exploring Operation: 11*7=77, Resulting Numbers: [39, 77] Generated Node #3: [39, 77] from Operation: 11*7=77 Current State: 38:[39, 77], Operations: ['72-65=7', '11*7=77'] Exploring Operation: 77-39=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[39, 11, 72, 65], Operations: [] Exploring Operation: 72-39=33, Resulting Numbers: [11, 65, 33] Generated Node #0,0: 38:[11, 65, 33] Operation: 72-39=33 Exploring Operation: 72-65=7, Resulting Numbers: [39, 11, 7] Generated Node #0,1: 38:[39, 11, 7] Operation: 72-65=7 Exploring Operation: 65-39=26, Resulting Numbers: [11, 72, 26] Generated Node #0,2: 38:[11, 72, 26] Operation: 65-39=26 Moving to Node #0,1 Current State: 38:[39, 11, 7], Operations: ['72-65=7'] Exploring Operation: 39-11=28, Resulting Numbers: [7, 28] Generated Node #0,1,0: 38:[7, 28] Operation: 39-11=28 Exploring Operation: 11-7=4, Resulting Numbers: [39, 4] Generated Node #0,1,1: 38:[39, 4] Operation: 11-7=4 Exploring Operation: 11+7=18, Resulting Numbers: [39, 18] Generated Node #0,1,2: 38:[39, 18] Operation: 11+7=18 Moving to Node #0,0 Current State: 38:[11, 65, 33], Operations: ['72-39=33'] Exploring Operation: 33/11=3, Resulting Numbers: [65, 3] Generated Node #0,0,0: 38:[65, 3] Operation: 33/11=3 Exploring Operation: 65-11=54, Resulting Numbers: [33, 54] Generated Node #0,0,1: 38:[33, 54] Operation: 65-11=54 Exploring Operation: 65-33=32, Resulting Numbers: [11, 32] Generated Node #0,0,2: 38:[11, 32] Operation: 65-33=32 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 38:[11, 32], Operations: ['72-39=33', '65-33=32'] Exploring Operation: 11*32=352, Resulting Numbers: [352] 352,38 unequal: No Solution Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,38 unequal: No Solution Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 38:[33, 54], Operations: ['72-39=33', '65-11=54'] Exploring Operation: 33+54=87, Resulting Numbers: [87] 87,38 unequal: No Solution Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,38 unequal: No Solution Exploring Operation: 33*54=1782, Resulting Numbers: [1782] 1782,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[65, 3], Operations: ['72-39=33', '33/11=3'] Exploring Operation: 65*3=195, Resulting Numbers: [195] 195,38 unequal: No Solution Exploring Operation: 65+3=68, Resulting Numbers: [68] 68,38 unequal: No Solution Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 38:[11, 72, 26], Operations: ['65-39=26'] Exploring Operation: 72-11=61, Resulting Numbers: [26, 61] Generated Node #0,2,0: 38:[26, 61] Operation: 72-11=61 Exploring Operation: 72-26=46, Resulting Numbers: [11, 46] Generated Node #0,2,1: 38:[11, 46] Operation: 72-26=46 Exploring Operation: 11+26=37, Resulting Numbers: [72, 37] Generated Node #0,2,2: 38:[72, 37] Operation: 11+26=37 Moving to Node #0,1,2 Current State: 38:[39, 18], Operations: ['72-65=7', '11+7=18'] Exploring Operation: 39+18=57, Resulting Numbers: [57] 57,38 unequal: No Solution Exploring Operation: 39*18=702, Resulting Numbers: [702] 702,38 unequal: No Solution Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,38 unequal: No Solution Moving to Node #0,1,1 Current State: 38:[39, 4], Operations: ['72-65=7', '11-7=4'] Exploring Operation: 39*4=156, Resulting Numbers: [156] 156,38 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,38 unequal: No Solution Exploring Operation: 39+4=43, Resulting Numbers: [43] 43,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[7, 28], Operations: ['72-65=7', '39-11=28'] Exploring Operation: 7+28=35, Resulting Numbers: [35] 35,38 unequal: No Solution Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,38 unequal: No Solution Moving to Node #0,2,1 Current State: 38:[11, 46], Operations: ['65-39=26', '72-26=46'] Exploring Operation: 46-11=35, Resulting Numbers: [35] 35,38 unequal: No Solution Exploring Operation: 11+46=57, Resulting Numbers: [57] 57,38 unequal: No Solution Exploring Operation: 11*46=506, Resulting Numbers: [506] 506,38 unequal: No Solution Moving to Node #0,2,0 Current State: 38:[26, 61], Operations: ['65-39=26', '72-11=61'] Exploring Operation: 61-26=35, Resulting Numbers: [35] 35,38 unequal: No Solution Exploring Operation: 26*61=1586, Resulting Numbers: [1586] 1586,38 unequal: No Solution Exploring Operation: 26+61=87, Resulting Numbers: [87] 87,38 unequal: No Solution Moving to Node #0,2,2 Current State: 38:[72, 37], Operations: ['65-39=26', '11+26=37'] Exploring Operation: 72+37=109, Resulting Numbers: [109] 109,38 unequal: No Solution Exploring Operation: 72*37=2664, Resulting Numbers: [2664] 2664,38 unequal: No Solution Exploring Operation: 72-37=35, Resulting Numbers: [35] 35,38 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 15, 9, 9, 41 ]
95
[ "15-9=6", "9*6=54", "41+54=95" ]
Current State: 95:[15, 9, 9, 41], Operations: [] Exploring Operation: 15-9=6, Resulting Numbers: [41, 6] Generated Node #2: [41, 6] from Operation: 15-9=6 Current State: 95:[41, 6], Operations: ['15-9=6'] Exploring Operation: 9*6=54, Resulting Numbers: [41, 54] Generated Node #3: [41, 54] from Operation: 9*6=54 Current State: 95:[41, 54], Operations: ['15-9=6', '9*6=54'] Exploring Operation: 41+54=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[15, 9, 9, 41], Operations: [] Exploring Operation: 41-9=32, Resulting Numbers: [15, 9, 32] Generated Node #0,0: 95:[15, 9, 32] Operation: 41-9=32 Exploring Operation: 41-9=32, Resulting Numbers: [15, 9, 32] Generated Node #0,1: 95:[15, 9, 32] Operation: 41-9=32 Exploring Operation: 41-15=26, Resulting Numbers: [9, 9, 26] Generated Node #0,2: 95:[9, 9, 26] Operation: 41-15=26 Moving to Node #0,2 Current State: 95:[9, 9, 26], Operations: ['41-15=26'] Exploring Operation: 9+9=18, Resulting Numbers: [26, 18] Generated Node #0,2,0: 95:[26, 18] Operation: 9+9=18 Exploring Operation: 26-9=17, Resulting Numbers: [9, 17] Generated Node #0,2,1: 95:[9, 17] Operation: 26-9=17 Exploring Operation: 26-9=17, Resulting Numbers: [9, 17] Generated Node #0,2,2: 95:[9, 17] Operation: 26-9=17 Moving to Node #0,0 Current State: 95:[15, 9, 32], Operations: ['41-9=32'] Exploring Operation: 32-15=17, Resulting Numbers: [9, 17] Generated Node #0,0,0: 95:[9, 17] Operation: 32-15=17 Exploring Operation: 15-9=6, Resulting Numbers: [32, 6] Generated Node #0,0,1: 95:[32, 6] Operation: 15-9=6 Exploring Operation: 32-9=23, Resulting Numbers: [15, 23] Generated Node #0,0,2: 95:[15, 23] Operation: 32-9=23 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[9, 17], Operations: ['41-9=32', '32-15=17'] Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,95 unequal: No Solution Exploring Operation: 9*17=153, Resulting Numbers: [153] 153,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 95:[15, 23], Operations: ['41-9=32', '32-9=23'] Exploring Operation: 15*23=345, Resulting Numbers: [345] 345,95 unequal: No Solution Exploring Operation: 15+23=38, Resulting Numbers: [38] 38,95 unequal: No Solution Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 95:[32, 6], Operations: ['41-9=32', '15-9=6'] Exploring Operation: 32+6=38, Resulting Numbers: [38] 38,95 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,95 unequal: No Solution Exploring Operation: 32*6=192, Resulting Numbers: [192] 192,95 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: 95:[15, 9, 32], Operations: ['41-9=32'] Exploring Operation: 32-15=17, Resulting Numbers: [9, 17] Generated Node #0,1,0: 95:[9, 17] Operation: 32-15=17 Exploring Operation: 15-9=6, Resulting Numbers: [32, 6] Generated Node #0,1,1: 95:[32, 6] Operation: 15-9=6 Exploring Operation: 32-9=23, Resulting Numbers: [15, 23] Generated Node #0,1,2: 95:[15, 23] Operation: 32-9=23 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 95:[9, 17], Operations: ['41-9=32', '32-15=17'] Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,95 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 9*17=153, Resulting Numbers: [153] 153,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 95:[15, 23], Operations: ['41-9=32', '32-9=23'] Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 15+23=38, Resulting Numbers: [38] 38,95 unequal: No Solution Exploring Operation: 15*23=345, Resulting Numbers: [345] 345,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 95:[32, 6], Operations: ['41-9=32', '15-9=6'] Exploring Operation: 32*6=192, Resulting Numbers: [192] 192,95 unequal: No Solution Exploring Operation: 32+6=38, Resulting Numbers: [38] 38,95 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 95:[9, 17], Operations: ['41-15=26', '26-9=17'] Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 9*17=153, Resulting Numbers: [153] 153,95 unequal: No Solution Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,95 unequal: No Solution Moving to Node #0,2,2 Current State: 95:[9, 17], Operations: ['41-15=26', '26-9=17'] Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 9*17=153, Resulting Numbers: [153] 153,95 unequal: No Solution Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,95 unequal: No Solution Moving to Node #0,2,0 Current State: 95:[26, 18], Operations: ['41-15=26', '9+9=18'] Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,95 unequal: No Solution Exploring Operation: 26*18=468, Resulting Numbers: [468] 468,95 unequal: No Solution Exploring Operation: 26+18=44, Resulting Numbers: [44] 44,95 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 89, 3, 94, 13 ]
74
[ "89+94=183", "183/3=61", "13+61=74" ]
Current State: 74:[89, 3, 94, 13], Operations: [] Exploring Operation: 89+94=183, Resulting Numbers: [3, 13, 183] Generated Node #2: [3, 13, 183] from Operation: 89+94=183 Current State: 74:[3, 13, 183], Operations: ['89+94=183'] Exploring Operation: 183/3=61, Resulting Numbers: [13, 61] Generated Node #3: [13, 61] from Operation: 183/3=61 Current State: 74:[13, 61], Operations: ['89+94=183', '183/3=61'] Exploring Operation: 13+61=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[89, 3, 94, 13], Operations: [] Exploring Operation: 3*13=39, Resulting Numbers: [89, 94, 39] Generated Node #0,0: 74:[89, 94, 39] Operation: 3*13=39 Exploring Operation: 94-89=5, Resulting Numbers: [3, 13, 5] Generated Node #0,1: 74:[3, 13, 5] Operation: 94-89=5 Exploring Operation: 94-13=81, Resulting Numbers: [89, 3, 81] Generated Node #0,2: 74:[89, 3, 81] Operation: 94-13=81 Exploring Operation: 89-13=76, Resulting Numbers: [3, 94, 76] Generated Node #0,3: 74:[3, 94, 76] Operation: 89-13=76 Exploring Operation: 89-3=86, Resulting Numbers: [94, 13, 86] Generated Node #0,4: 74:[94, 13, 86] Operation: 89-3=86 Moving to Node #0,1 Current State: 74:[3, 13, 5], Operations: ['94-89=5'] Exploring Operation: 13-3=10, Resulting Numbers: [5, 10] Generated Node #0,1,0: 74:[5, 10] Operation: 13-3=10 Exploring Operation: 13-5=8, Resulting Numbers: [3, 8] Generated Node #0,1,1: 74:[3, 8] Operation: 13-5=8 Exploring Operation: 3*13=39, Resulting Numbers: [5, 39] Generated Node #0,1,2: 74:[5, 39] Operation: 3*13=39 Exploring Operation: 5-3=2, Resulting Numbers: [13, 2] Generated Node #0,1,3: 74:[13, 2] Operation: 5-3=2 Exploring Operation: 13*5=65, Resulting Numbers: [3, 65] Generated Node #0,1,4: 74:[3, 65] Operation: 13*5=65 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 74:[5, 39], Operations: ['94-89=5', '3*13=39'] Exploring Operation: 5+39=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 5*39=195, Resulting Numbers: [195] 195,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[3, 8], Operations: ['94-89=5', '13-5=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,74 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,74 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 #0,1,4 Current State: 74:[3, 65], Operations: ['94-89=5', '13*5=65'] Exploring Operation: 3+65=68, Resulting Numbers: [68] 68,74 unequal: No Solution Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,74 unequal: No Solution Exploring Operation: 3*65=195, Resulting Numbers: [195] 195,74 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 #0,1,0 Current State: 74:[5, 10], Operations: ['94-89=5', '13-3=10'] Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,74 unequal: No Solution Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,74 unequal: No Solution Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,74 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 #0,1,3 Current State: 74:[13, 2], Operations: ['94-89=5', '5-3=2'] Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,74 unequal: No Solution Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,74 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: 74:[3, 94, 76], Operations: ['89-13=76'] Exploring Operation: 3+94=97, Resulting Numbers: [76, 97] Generated Node #0,3,0: 74:[76, 97] Operation: 3+94=97 Exploring Operation: 94-3=91, Resulting Numbers: [76, 91] Generated Node #0,3,1: 74:[76, 91] Operation: 94-3=91 Exploring Operation: 76-3=73, Resulting Numbers: [94, 73] Generated Node #0,3,2: 74:[94, 73] Operation: 76-3=73 Exploring Operation: 94-76=18, Resulting Numbers: [3, 18] Generated Node #0,3,3: 74:[3, 18] Operation: 94-76=18 Exploring Operation: 3+76=79, Resulting Numbers: [94, 79] Generated Node #0,3,4: 74:[94, 79] Operation: 3+76=79 Moving to Node #0,2 Current State: 74:[89, 3, 81], Operations: ['94-13=81'] Exploring Operation: 3+81=84, Resulting Numbers: [89, 84] Generated Node #0,2,0: 74:[89, 84] Operation: 3+81=84 Exploring Operation: 89-81=8, Resulting Numbers: [3, 8] Generated Node #0,2,1: 74:[3, 8] Operation: 89-81=8 Exploring Operation: 89+3=92, Resulting Numbers: [81, 92] Generated Node #0,2,2: 74:[81, 92] Operation: 89+3=92 Exploring Operation: 81-3=78, Resulting Numbers: [89, 78] Generated Node #0,2,3: 74:[89, 78] Operation: 81-3=78 Exploring Operation: 89-3=86, Resulting Numbers: [81, 86] Generated Node #0,2,4: 74:[81, 86] Operation: 89-3=86 Moving to Node #0,0 Current State: 74:[89, 94, 39], Operations: ['3*13=39'] Exploring Operation: 94-89=5, Resulting Numbers: [39, 5] Generated Node #0,0,0: 74:[39, 5] Operation: 94-89=5 Exploring Operation: 89-39=50, Resulting Numbers: [94, 50] Generated Node #0,0,1: 74:[94, 50] Operation: 89-39=50 Exploring Operation: 94+39=133, Resulting Numbers: [89, 133] Generated Node #0,0,2: 74:[89, 133] Operation: 94+39=133 Exploring Operation: 94-39=55, Resulting Numbers: [89, 55] Generated Node #0,0,3: 74:[89, 55] Operation: 94-39=55 Exploring Operation: 89+39=128, Resulting Numbers: [94, 128] Generated Node #0,0,4: 74:[94, 128] Operation: 89+39=128 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[39, 5], Operations: ['3*13=39', '94-89=5'] Exploring Operation: 39*5=195, Resulting Numbers: [195] 195,74 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 39+5=44, Resulting Numbers: [44] 44,74 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 #0,0,1 Current State: 74:[94, 50], Operations: ['3*13=39', '89-39=50'] Exploring Operation: 94+50=144, Resulting Numbers: [144] 144,74 unequal: No Solution Exploring Operation: 94-50=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 94*50=4700, Resulting Numbers: [4700] 4700,74 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 #0,0,3 Current State: 74:[89, 55], Operations: ['3*13=39', '94-39=55'] Exploring Operation: 89-55=34, Resulting Numbers: [34] 34,74 unequal: No Solution Exploring Operation: 89+55=144, Resulting Numbers: [144] 144,74 unequal: No Solution Exploring Operation: 89*55=4895, Resulting Numbers: [4895] 4895,74 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 #0,0,2 Current State: 74:[89, 133], Operations: ['3*13=39', '94+39=133'] Exploring Operation: 133-89=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 89*133=11837, Resulting Numbers: [11837] 11837,74 unequal: No Solution Exploring Operation: 89+133=222, Resulting Numbers: [222] 222,74 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 #0,0,4 Current State: 74:[94, 128], Operations: ['3*13=39', '89+39=128'] Exploring Operation: 94*128=12032, Resulting Numbers: [12032] 12032,74 unequal: No Solution Exploring Operation: 94+128=222, Resulting Numbers: [222] 222,74 unequal: No Solution Exploring Operation: 128-94=34, Resulting Numbers: [34] 34,74 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: 74:[94, 13, 86], Operations: ['89-3=86'] Exploring Operation: 94-13=81, Resulting Numbers: [86, 81] Generated Node #0,4,0: 74:[86, 81] Operation: 94-13=81 Exploring Operation: 94+13=107, Resulting Numbers: [86, 107] Generated Node #0,4,1: 74:[86, 107] Operation: 94+13=107 Exploring Operation: 86-13=73, Resulting Numbers: [94, 73] Generated Node #0,4,2: 74:[94, 73] Operation: 86-13=73 Exploring Operation: 13+86=99, Resulting Numbers: [94, 99] Generated Node #0,4,3: 74:[94, 99] Operation: 13+86=99 Exploring Operation: 94-86=8, Resulting Numbers: [13, 8] Generated Node #0,4,4: 74:[13, 8] Operation: 94-86=8 Moving to Node #0,2,1 Current State: 74:[3, 8], Operations: ['94-13=81', '89-81=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,74 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,74 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,74 unequal: No Solution Moving to Node #0,3,3 Current State: 74:[3, 18], Operations: ['89-13=76', '94-76=18'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,74 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,74 unequal: No Solution Exploring Operation: 3*18=54, Resulting Numbers: [54] 54,74 unequal: No Solution Moving to Node #0,4,4 Current State: 74:[13, 8], Operations: ['89-3=86', '94-86=8'] Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,74 unequal: No Solution Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,74 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,74 unequal: No Solution Moving to Node #0,2,3 Current State: 74:[89, 78], Operations: ['94-13=81', '81-3=78'] Exploring Operation: 89*78=6942, Resulting Numbers: [6942] 6942,74 unequal: No Solution Exploring Operation: 89+78=167, Resulting Numbers: [167] 167,74 unequal: No Solution Exploring Operation: 89-78=11, Resulting Numbers: [11] 11,74 unequal: No Solution Moving to Node #0,4,0 Current State: 74:[86, 81], Operations: ['89-3=86', '94-13=81'] Exploring Operation: 86+81=167, Resulting Numbers: [167] 167,74 unequal: No Solution Exploring Operation: 86*81=6966, Resulting Numbers: [6966] 6966,74 unequal: No Solution Exploring Operation: 86-81=5, Resulting Numbers: [5] 5,74 unequal: No Solution Moving to Node #0,3,1 Current State: 74:[76, 91], Operations: ['89-13=76', '94-3=91'] Exploring Operation: 91-76=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 76*91=6916, Resulting Numbers: [6916] 6916,74 unequal: No Solution Exploring Operation: 76+91=167, Resulting Numbers: [167] 167,74 unequal: No Solution Moving to Node #0,2,4 Current State: 74:[81, 86], Operations: ['94-13=81', '89-3=86'] Exploring Operation: 81+86=167, Resulting Numbers: [167] 167,74 unequal: No Solution Exploring Operation: 81*86=6966, Resulting Numbers: [6966] 6966,74 unequal: No Solution Exploring Operation: 86-81=5, Resulting Numbers: [5] 5,74 unequal: No Solution Moving to Node #0,3,2 Current State: 74:[94, 73], Operations: ['89-13=76', '76-3=73'] Exploring Operation: 94*73=6862, Resulting Numbers: [6862] 6862,74 unequal: No Solution Exploring Operation: 94-73=21, Resulting Numbers: [21] 21,74 unequal: No Solution Exploring Operation: 94+73=167, Resulting Numbers: [167] 167,74 unequal: No Solution Moving to Node #0,4,2 Current State: 74:[94, 73], Operations: ['89-3=86', '86-13=73'] Exploring Operation: 94+73=167, Resulting Numbers: [167] 167,74 unequal: No Solution Exploring Operation: 94*73=6862, Resulting Numbers: [6862] 6862,74 unequal: No Solution Exploring Operation: 94-73=21, Resulting Numbers: [21] 21,74 unequal: No Solution Moving to Node #0,3,0 Current State: 74:[76, 97], Operations: ['89-13=76', '3+94=97'] Exploring Operation: 76+97=173, Resulting Numbers: [173] 173,74 unequal: No Solution Exploring Operation: 76*97=7372, Resulting Numbers: [7372] 7372,74 unequal: No Solution Exploring Operation: 97-76=21, Resulting Numbers: [21] 21,74 unequal: No Solution Moving to Node #0,3,4 Current State: 74:[94, 79], Operations: ['89-13=76', '3+76=79'] Exploring Operation: 94*79=7426, Resulting Numbers: [7426] 7426,74 unequal: No Solution Exploring Operation: 94+79=173, Resulting Numbers: [173] 173,74 unequal: No Solution Exploring Operation: 94-79=15, Resulting Numbers: [15] 15,74 unequal: No Solution Moving to Node #0,2,2 Current State: 74:[81, 92], Operations: ['94-13=81', '89+3=92'] Exploring Operation: 81*92=7452, Resulting Numbers: [7452] 7452,74 unequal: No Solution Exploring Operation: 81+92=173, Resulting Numbers: [173] 173,74 unequal: No Solution Exploring Operation: 92-81=11, Resulting Numbers: [11] 11,74 unequal: No Solution Moving to Node #0,2,0 Current State: 74:[89, 84], Operations: ['94-13=81', '3+81=84'] Exploring Operation: 89+84=173, Resulting Numbers: [173] 173,74 unequal: No Solution Exploring Operation: 89-84=5, Resulting Numbers: [5] 5,74 unequal: No Solution Exploring Operation: 89*84=7476, Resulting Numbers: [7476] 7476,74 unequal: No Solution Moving to Node #0,4,1 Current State: 74:[86, 107], Operations: ['89-3=86', '94+13=107'] Exploring Operation: 107-86=21, Resulting Numbers: [21] 21,74 unequal: No Solution Exploring Operation: 86+107=193, Resulting Numbers: [193] 193,74 unequal: No Solution Exploring Operation: 86*107=9202, Resulting Numbers: [9202] 9202,74 unequal: No Solution Moving to Node #0,4,3 Current State: 74:[94, 99], Operations: ['89-3=86', '13+86=99'] Exploring Operation: 94+99=193, Resulting Numbers: [193] 193,74 unequal: No Solution Exploring Operation: 99-94=5, Resulting Numbers: [5] 5,74 unequal: No Solution Exploring Operation: 94*99=9306, Resulting Numbers: [9306] 9306,74 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 40, 78, 54, 99 ]
30
[ "40*99=3960", "78+54=132", "3960/132=30" ]
Current State: 30:[40, 78, 54, 99], Operations: [] Exploring Operation: 40*99=3960, Resulting Numbers: [78, 54, 3960] Generated Node #2: [78, 54, 3960] from Operation: 40*99=3960 Current State: 30:[78, 54, 3960], Operations: ['40*99=3960'] Exploring Operation: 78+54=132, Resulting Numbers: [3960, 132] Generated Node #3: [3960, 132] from Operation: 78+54=132 Current State: 30:[3960, 132], Operations: ['40*99=3960', '78+54=132'] Exploring Operation: 3960/132=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[40, 78, 54, 99], Operations: [] Exploring Operation: 99-54=45, Resulting Numbers: [40, 78, 45] Generated Node #0,0: 30:[40, 78, 45] Operation: 99-54=45 Exploring Operation: 78-54=24, Resulting Numbers: [40, 99, 24] Generated Node #0,1: 30:[40, 99, 24] Operation: 78-54=24 Exploring Operation: 99-78=21, Resulting Numbers: [40, 54, 21] Generated Node #0,2: 30:[40, 54, 21] Operation: 99-78=21 Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[40, 54, 21], Operations: ['99-78=21'] Exploring Operation: 54-40=14, Resulting Numbers: [21, 14] Generated Node #0,2,0: 30:[21, 14] Operation: 54-40=14 Exploring Operation: 54-21=33, Resulting Numbers: [40, 33] Generated Node #0,2,1: 30:[40, 33] Operation: 54-21=33 Exploring Operation: 40-21=19, Resulting Numbers: [54, 19] Generated Node #0,2,2: 30:[54, 19] Operation: 40-21=19 Moving to Node #0,2,0 Current State: 30:[21, 14], Operations: ['99-78=21', '54-40=14'] Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,30 unequal: No Solution Exploring Operation: 21*14=294, Resulting Numbers: [294] 294,30 unequal: No Solution Exploring Operation: 21+14=35, Resulting Numbers: [35] 35,30 unequal: No Solution Moving to Node #0,2,1 Current State: 30:[40, 33], Operations: ['99-78=21', '54-21=33'] Exploring Operation: 40+33=73, Resulting Numbers: [73] 73,30 unequal: No Solution Exploring Operation: 40*33=1320, Resulting Numbers: [1320] 1320,30 unequal: No Solution Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,30 unequal: No Solution Moving to Node #0,2,2 Current State: 30:[54, 19], Operations: ['99-78=21', '40-21=19'] Exploring Operation: 54+19=73, Resulting Numbers: [73] 73,30 unequal: No Solution Exploring Operation: 54-19=35, Resulting Numbers: [35] 35,30 unequal: No Solution Exploring Operation: 54*19=1026, Resulting Numbers: [1026] 1026,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[40, 78, 45], Operations: ['99-54=45'] Exploring Operation: 78-40=38, Resulting Numbers: [45, 38] Generated Node #0,0,0: 30:[45, 38] Operation: 78-40=38 Exploring Operation: 45-40=5, Resulting Numbers: [78, 5] Generated Node #0,0,1: 30:[78, 5] Operation: 45-40=5 Exploring Operation: 78-45=33, Resulting Numbers: [40, 33] Generated Node #0,0,2: 30:[40, 33] Operation: 78-45=33 Moving to Node #0,0,2 Current State: 30:[40, 33], Operations: ['99-54=45', '78-45=33'] Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,30 unequal: No Solution Exploring Operation: 40*33=1320, Resulting Numbers: [1320] 1320,30 unequal: No Solution Exploring Operation: 40+33=73, Resulting Numbers: [73] 73,30 unequal: No Solution Moving to Node #0,0,0 Current State: 30:[45, 38], Operations: ['99-54=45', '78-40=38'] Exploring Operation: 45-38=7, Resulting Numbers: [7] 7,30 unequal: No Solution Exploring Operation: 45*38=1710, Resulting Numbers: [1710] 1710,30 unequal: No Solution Exploring Operation: 45+38=83, Resulting Numbers: [83] 83,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[78, 5], Operations: ['99-54=45', '45-40=5'] Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,30 unequal: No Solution Exploring Operation: 78*5=390, Resulting Numbers: [390] 390,30 unequal: No Solution Exploring Operation: 78+5=83, Resulting Numbers: [83] 83,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[40, 99, 24], Operations: ['78-54=24'] Exploring Operation: 99-24=75, Resulting Numbers: [40, 75] Generated Node #0,1,0: 30:[40, 75] Operation: 99-24=75 Exploring Operation: 40-24=16, Resulting Numbers: [99, 16] Generated Node #0,1,1: 30:[99, 16] Operation: 40-24=16 Exploring Operation: 99-40=59, Resulting Numbers: [24, 59] Generated Node #0,1,2: 30:[24, 59] Operation: 99-40=59 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 30:[24, 59], Operations: ['78-54=24', '99-40=59'] Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,30 unequal: No Solution Exploring Operation: 24+59=83, Resulting Numbers: [83] 83,30 unequal: No Solution Exploring Operation: 24*59=1416, Resulting Numbers: [1416] 1416,30 unequal: No Solution No 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: 30:[40, 75], Operations: ['78-54=24', '99-24=75'] Exploring Operation: 40+75=115, Resulting Numbers: [115] 115,30 unequal: No Solution Exploring Operation: 75-40=35, Resulting Numbers: [35] 35,30 unequal: No Solution Exploring Operation: 40*75=3000, Resulting Numbers: [3000] 3000,30 unequal: No Solution No 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: 30:[99, 16], Operations: ['78-54=24', '40-24=16'] Exploring Operation: 99-16=83, Resulting Numbers: [83] 83,30 unequal: No Solution Exploring Operation: 99+16=115, Resulting Numbers: [115] 115,30 unequal: No Solution Exploring Operation: 99*16=1584, Resulting Numbers: [1584] 1584,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 3, 89, 34, 56 ]
43
[ "3*34=102", "89+56=145", "145-102=43" ]
Current State: 43:[3, 89, 34, 56], Operations: [] Exploring Operation: 3*34=102, Resulting Numbers: [89, 56, 102] Generated Node #2: [89, 56, 102] from Operation: 3*34=102 Current State: 43:[89, 56, 102], Operations: ['3*34=102'] Exploring Operation: 89+56=145, Resulting Numbers: [102, 145] Generated Node #3: [102, 145] from Operation: 89+56=145 Current State: 43:[102, 145], Operations: ['3*34=102', '89+56=145'] Exploring Operation: 145-102=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[3, 89, 34, 56], Operations: [] Exploring Operation: 89-3=86, Resulting Numbers: [34, 56, 86] Generated Node #0,0: 43:[34, 56, 86] Operation: 89-3=86 Exploring Operation: 89-56=33, Resulting Numbers: [3, 34, 33] Generated Node #0,1: 43:[3, 34, 33] Operation: 89-56=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[3, 34, 33], Operations: ['89-56=33'] Exploring Operation: 3+34=37, Resulting Numbers: [33, 37] Generated Node #0,1,0: 43:[33, 37] Operation: 3+34=37 Exploring Operation: 3+33=36, Resulting Numbers: [34, 36] Generated Node #0,1,1: 43:[34, 36] Operation: 3+33=36 Moving to Node #0,1,0 Current State: 43:[33, 37], Operations: ['89-56=33', '3+34=37'] Exploring Operation: 37-33=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 33+37=70, Resulting Numbers: [70] 70,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[34, 36], Operations: ['89-56=33', '3+33=36'] Exploring Operation: 36-34=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 34+36=70, Resulting Numbers: [70] 70,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[34, 56, 86], Operations: ['89-3=86'] Exploring Operation: 86-34=52, Resulting Numbers: [56, 52] Generated Node #0,0,0: 43:[56, 52] Operation: 86-34=52 Exploring Operation: 86-56=30, Resulting Numbers: [34, 30] Generated Node #0,0,1: 43:[34, 30] Operation: 86-56=30 Moving to Node #0,0,0 Current State: 43:[56, 52], Operations: ['89-3=86', '86-34=52'] Exploring Operation: 56+52=108, Resulting Numbers: [108] 108,43 unequal: No Solution Exploring Operation: 56-52=4, Resulting Numbers: [4] 4,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[34, 30], Operations: ['89-3=86', '86-56=30'] Exploring Operation: 34+30=64, Resulting Numbers: [64] 64,43 unequal: No Solution Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,43 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
[ 16, 25, 65, 19 ]
43
[ "16+25=41", "65+19=84", "84-41=43" ]
Current State: 43:[16, 25, 65, 19], Operations: [] Exploring Operation: 16+25=41, Resulting Numbers: [65, 19, 41] Generated Node #2: [65, 19, 41] from Operation: 16+25=41 Current State: 43:[65, 19, 41], Operations: ['16+25=41'] Exploring Operation: 65+19=84, Resulting Numbers: [41, 84] Generated Node #3: [41, 84] from Operation: 65+19=84 Current State: 43:[41, 84], Operations: ['16+25=41', '65+19=84'] Exploring Operation: 84-41=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[16, 25, 65, 19], Operations: [] Exploring Operation: 65-16=49, Resulting Numbers: [25, 19, 49] Generated Node #0,0: 43:[25, 19, 49] Operation: 65-16=49 Exploring Operation: 16+25=41, Resulting Numbers: [65, 19, 41] Generated Node #0,1: 43:[65, 19, 41] Operation: 16+25=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[25, 19, 49], Operations: ['65-16=49'] Exploring Operation: 49-19=30, Resulting Numbers: [25, 30] Generated Node #0,0,0: 43:[25, 30] Operation: 49-19=30 Exploring Operation: 25+19=44, Resulting Numbers: [49, 44] Generated Node #0,0,1: 43:[49, 44] Operation: 25+19=44 Moving to Node #0,0,1 Current State: 43:[49, 44], Operations: ['65-16=49', '25+19=44'] Exploring Operation: 49+44=93, Resulting Numbers: [93] 93,43 unequal: No Solution Exploring Operation: 49-44=5, Resulting Numbers: [5] 5,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[25, 30], Operations: ['65-16=49', '49-19=30'] Exploring Operation: 25+30=55, Resulting Numbers: [55] 55,43 unequal: No Solution Exploring Operation: 30-25=5, Resulting Numbers: [5] 5,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[65, 19, 41], Operations: ['16+25=41'] Exploring Operation: 19+41=60, Resulting Numbers: [65, 60] Generated Node #0,1,0: 43:[65, 60] Operation: 19+41=60 Exploring Operation: 65-19=46, Resulting Numbers: [41, 46] Generated Node #0,1,1: 43:[41, 46] Operation: 65-19=46 Moving to Node #0,1,1 Current State: 43:[41, 46], Operations: ['16+25=41', '65-19=46'] Exploring Operation: 41+46=87, Resulting Numbers: [87] 87,43 unequal: No Solution Exploring Operation: 46-41=5, Resulting Numbers: [5] 5,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[65, 60], Operations: ['16+25=41', '19+41=60'] Exploring Operation: 65-60=5, Resulting Numbers: [5] 5,43 unequal: No Solution Exploring Operation: 65+60=125, Resulting Numbers: [125] 125,43 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
[ 82, 19, 47, 2 ]
79
[ "82-19=63", "2*63=126", "126-47=79" ]
Current State: 79:[82, 19, 47, 2], Operations: [] Exploring Operation: 82-19=63, Resulting Numbers: [47, 2, 63] Generated Node #2: [47, 2, 63] from Operation: 82-19=63 Current State: 79:[47, 2, 63], Operations: ['82-19=63'] Exploring Operation: 2*63=126, Resulting Numbers: [47, 126] Generated Node #3: [47, 126] from Operation: 2*63=126 Current State: 79:[47, 126], Operations: ['82-19=63', '2*63=126'] Exploring Operation: 126-47=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[82, 19, 47, 2], Operations: [] Exploring Operation: 19+47=66, Resulting Numbers: [82, 2, 66] Generated Node #0,0: 79:[82, 2, 66] Operation: 19+47=66 Exploring Operation: 82-2=80, Resulting Numbers: [19, 47, 80] Generated Node #0,1: 79:[19, 47, 80] Operation: 82-2=80 Exploring Operation: 19*2=38, Resulting Numbers: [82, 47, 38] Generated Node #0,2: 79:[82, 47, 38] Operation: 19*2=38 Exploring Operation: 47*2=94, Resulting Numbers: [82, 19, 94] Generated Node #0,3: 79:[82, 19, 94] Operation: 47*2=94 Exploring Operation: 19+2=21, Resulting Numbers: [82, 47, 21] Generated Node #0,4: 79:[82, 47, 21] Operation: 19+2=21 Moving to Node #0,2 Current State: 79:[82, 47, 38], Operations: ['19*2=38'] Exploring Operation: 82-38=44, Resulting Numbers: [47, 44] Generated Node #0,2,0: 79:[47, 44] Operation: 82-38=44 Exploring Operation: 82-47=35, Resulting Numbers: [38, 35] Generated Node #0,2,1: 79:[38, 35] Operation: 82-47=35 Exploring Operation: 47-38=9, Resulting Numbers: [82, 9] Generated Node #0,2,2: 79:[82, 9] Operation: 47-38=9 Exploring Operation: 47+38=85, Resulting Numbers: [82, 85] Generated Node #0,2,3: 79:[82, 85] Operation: 47+38=85 Exploring Operation: 82+38=120, Resulting Numbers: [47, 120] Generated Node #0,2,4: 79:[47, 120] Operation: 82+38=120 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 79:[82, 85], Operations: ['19*2=38', '47+38=85'] Exploring Operation: 82*85=6970, Resulting Numbers: [6970] 6970,79 unequal: No Solution Exploring Operation: 82+85=167, Resulting Numbers: [167] 167,79 unequal: No Solution Exploring Operation: 85-82=3, Resulting Numbers: [3] 3,79 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:[47, 44], Operations: ['19*2=38', '82-38=44'] Exploring Operation: 47-44=3, Resulting Numbers: [3] 3,79 unequal: No Solution Exploring Operation: 47*44=2068, Resulting Numbers: [2068] 2068,79 unequal: No Solution Exploring Operation: 47+44=91, Resulting Numbers: [91] 91,79 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:[82, 9], Operations: ['19*2=38', '47-38=9'] Exploring Operation: 82-9=73, Resulting Numbers: [73] 73,79 unequal: No Solution Exploring Operation: 82+9=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 82*9=738, Resulting Numbers: [738] 738,79 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:[47, 120], Operations: ['19*2=38', '82+38=120'] Exploring Operation: 47*120=5640, Resulting Numbers: [5640] 5640,79 unequal: No Solution Exploring Operation: 47+120=167, Resulting Numbers: [167] 167,79 unequal: No Solution Exploring Operation: 120-47=73, Resulting Numbers: [73] 73,79 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:[38, 35], Operations: ['19*2=38', '82-47=35'] Exploring Operation: 38+35=73, Resulting Numbers: [73] 73,79 unequal: No Solution Exploring Operation: 38*35=1330, Resulting Numbers: [1330] 1330,79 unequal: No Solution Exploring Operation: 38-35=3, Resulting Numbers: [3] 3,79 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: 79:[82, 19, 94], Operations: ['47*2=94'] Exploring Operation: 94-19=75, Resulting Numbers: [82, 75] Generated Node #0,3,0: 79:[82, 75] Operation: 94-19=75 Exploring Operation: 94-82=12, Resulting Numbers: [19, 12] Generated Node #0,3,1: 79:[19, 12] Operation: 94-82=12 Exploring Operation: 82-19=63, Resulting Numbers: [94, 63] Generated Node #0,3,2: 79:[94, 63] Operation: 82-19=63 Exploring Operation: 82+19=101, Resulting Numbers: [94, 101] Generated Node #0,3,3: 79:[94, 101] Operation: 82+19=101 Exploring Operation: 19+94=113, Resulting Numbers: [82, 113] Generated Node #0,3,4: 79:[82, 113] Operation: 19+94=113 Moving to Node #0,0 Current State: 79:[82, 2, 66], Operations: ['19+47=66'] Exploring Operation: 82+2=84, Resulting Numbers: [66, 84] Generated Node #0,0,0: 79:[66, 84] Operation: 82+2=84 Exploring Operation: 66/2=33, Resulting Numbers: [82, 33] Generated Node #0,0,1: 79:[82, 33] Operation: 66/2=33 Exploring Operation: 82-2=80, Resulting Numbers: [66, 80] Generated Node #0,0,2: 79:[66, 80] Operation: 82-2=80 Exploring Operation: 2+66=68, Resulting Numbers: [82, 68] Generated Node #0,0,3: 79:[82, 68] Operation: 2+66=68 Exploring Operation: 66-2=64, Resulting Numbers: [82, 64] Generated Node #0,0,4: 79:[82, 64] Operation: 66-2=64 Moving to Node #0,1 Current State: 79:[19, 47, 80], Operations: ['82-2=80'] Exploring Operation: 19+80=99, Resulting Numbers: [47, 99] Generated Node #0,1,0: 79:[47, 99] Operation: 19+80=99 Exploring Operation: 80-19=61, Resulting Numbers: [47, 61] Generated Node #0,1,1: 79:[47, 61] Operation: 80-19=61 Exploring Operation: 19+47=66, Resulting Numbers: [80, 66] Generated Node #0,1,2: 79:[80, 66] Operation: 19+47=66 Exploring Operation: 47-19=28, Resulting Numbers: [80, 28] Generated Node #0,1,3: 79:[80, 28] Operation: 47-19=28 Exploring Operation: 80-47=33, Resulting Numbers: [19, 33] Generated Node #0,1,4: 79:[19, 33] Operation: 80-47=33 Moving to Node #0,4 Current State: 79:[82, 47, 21], Operations: ['19+2=21'] Exploring Operation: 82+21=103, Resulting Numbers: [47, 103] Generated Node #0,4,0: 79:[47, 103] Operation: 82+21=103 Exploring Operation: 47-21=26, Resulting Numbers: [82, 26] Generated Node #0,4,1: 79:[82, 26] Operation: 47-21=26 Exploring Operation: 47+21=68, Resulting Numbers: [82, 68] Generated Node #0,4,2: 79:[82, 68] Operation: 47+21=68 Exploring Operation: 82-47=35, Resulting Numbers: [21, 35] Generated Node #0,4,3: 79:[21, 35] Operation: 82-47=35 Exploring Operation: 82-21=61, Resulting Numbers: [47, 61] Generated Node #0,4,4: 79:[47, 61] Operation: 82-21=61 Moving to Node #0,3,0 Current State: 79:[82, 75], Operations: ['47*2=94', '94-19=75'] Exploring Operation: 82*75=6150, Resulting Numbers: [6150] 6150,79 unequal: No Solution Exploring Operation: 82-75=7, Resulting Numbers: [7] 7,79 unequal: No Solution Exploring Operation: 82+75=157, Resulting Numbers: [157] 157,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[66, 80], Operations: ['19+47=66', '82-2=80'] Exploring Operation: 66+80=146, Resulting Numbers: [146] 146,79 unequal: No Solution Exploring Operation: 80-66=14, Resulting Numbers: [14] 14,79 unequal: No Solution Exploring Operation: 66*80=5280, Resulting Numbers: [5280] 5280,79 unequal: No Solution Moving to Node #0,0,3 Current State: 79:[82, 68], Operations: ['19+47=66', '2+66=68'] Exploring Operation: 82-68=14, Resulting Numbers: [14] 14,79 unequal: No Solution Exploring Operation: 82+68=150, Resulting Numbers: [150] 150,79 unequal: No Solution Exploring Operation: 82*68=5576, Resulting Numbers: [5576] 5576,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[80, 66], Operations: ['82-2=80', '19+47=66'] Exploring Operation: 80+66=146, Resulting Numbers: [146] 146,79 unequal: No Solution Exploring Operation: 80*66=5280, Resulting Numbers: [5280] 5280,79 unequal: No Solution Exploring Operation: 80-66=14, Resulting Numbers: [14] 14,79 unequal: No Solution Moving to Node #0,4,2 Current State: 79:[82, 68], Operations: ['19+2=21', '47+21=68'] Exploring Operation: 82*68=5576, Resulting Numbers: [5576] 5576,79 unequal: No Solution Exploring Operation: 82+68=150, Resulting Numbers: [150] 150,79 unequal: No Solution Exploring Operation: 82-68=14, Resulting Numbers: [14] 14,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[66, 84], Operations: ['19+47=66', '82+2=84'] Exploring Operation: 66+84=150, Resulting Numbers: [150] 150,79 unequal: No Solution Exploring Operation: 84-66=18, Resulting Numbers: [18] 18,79 unequal: No Solution Exploring Operation: 66*84=5544, Resulting Numbers: [5544] 5544,79 unequal: No Solution Moving to Node #0,0,4 Current State: 79:[82, 64], Operations: ['19+47=66', '66-2=64'] Exploring Operation: 82*64=5248, Resulting Numbers: [5248] 5248,79 unequal: No Solution Exploring Operation: 82-64=18, Resulting Numbers: [18] 18,79 unequal: No Solution Exploring Operation: 82+64=146, Resulting Numbers: [146] 146,79 unequal: No Solution Moving to Node #0,3,2 Current State: 79:[94, 63], Operations: ['47*2=94', '82-19=63'] Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 94*63=5922, Resulting Numbers: [5922] 5922,79 unequal: No Solution Exploring Operation: 94+63=157, Resulting Numbers: [157] 157,79 unequal: No Solution Moving to Node #0,3,3 Current State: 79:[94, 101], Operations: ['47*2=94', '82+19=101'] Exploring Operation: 101-94=7, Resulting Numbers: [7] 7,79 unequal: No Solution Exploring Operation: 94*101=9494, Resulting Numbers: [9494] 9494,79 unequal: No Solution Exploring Operation: 94+101=195, Resulting Numbers: [195] 195,79 unequal: No Solution Moving to Node #0,3,4 Current State: 79:[82, 113], Operations: ['47*2=94', '19+94=113'] Exploring Operation: 82+113=195, Resulting Numbers: [195] 195,79 unequal: No Solution Exploring Operation: 82*113=9266, Resulting Numbers: [9266] 9266,79 unequal: No Solution Exploring Operation: 113-82=31, Resulting Numbers: [31] 31,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[82, 33], Operations: ['19+47=66', '66/2=33'] Exploring Operation: 82+33=115, Resulting Numbers: [115] 115,79 unequal: No Solution Exploring Operation: 82-33=49, Resulting Numbers: [49] 49,79 unequal: No Solution Exploring Operation: 82*33=2706, Resulting Numbers: [2706] 2706,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[47, 61], Operations: ['82-2=80', '80-19=61'] Exploring Operation: 47*61=2867, Resulting Numbers: [2867] 2867,79 unequal: No Solution Exploring Operation: 61-47=14, Resulting Numbers: [14] 14,79 unequal: No Solution Exploring Operation: 47+61=108, Resulting Numbers: [108] 108,79 unequal: No Solution Moving to Node #0,4,4 Current State: 79:[47, 61], Operations: ['19+2=21', '82-21=61'] Exploring Operation: 47*61=2867, Resulting Numbers: [2867] 2867,79 unequal: No Solution Exploring Operation: 61-47=14, Resulting Numbers: [14] 14,79 unequal: No Solution Exploring Operation: 47+61=108, Resulting Numbers: [108] 108,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[80, 28], Operations: ['82-2=80', '47-19=28'] Exploring Operation: 80*28=2240, Resulting Numbers: [2240] 2240,79 unequal: No Solution Exploring Operation: 80-28=52, Resulting Numbers: [52] 52,79 unequal: No Solution Exploring Operation: 80+28=108, Resulting Numbers: [108] 108,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[47, 99], Operations: ['82-2=80', '19+80=99'] Exploring Operation: 99-47=52, Resulting Numbers: [52] 52,79 unequal: No Solution Exploring Operation: 47+99=146, Resulting Numbers: [146] 146,79 unequal: No Solution Exploring Operation: 47*99=4653, Resulting Numbers: [4653] 4653,79 unequal: No Solution Moving to Node #0,4,1 Current State: 79:[82, 26], Operations: ['19+2=21', '47-21=26'] Exploring Operation: 82+26=108, Resulting Numbers: [108] 108,79 unequal: No Solution Exploring Operation: 82*26=2132, Resulting Numbers: [2132] 2132,79 unequal: No Solution Exploring Operation: 82-26=56, Resulting Numbers: [56] 56,79 unequal: No Solution Moving to Node #0,4,0 Current State: 79:[47, 103], Operations: ['19+2=21', '82+21=103'] Exploring Operation: 47+103=150, Resulting Numbers: [150] 150,79 unequal: No Solution Exploring Operation: 103-47=56, Resulting Numbers: [56] 56,79 unequal: No Solution Exploring Operation: 47*103=4841, Resulting Numbers: [4841] 4841,79 unequal: No Solution Moving to Node #0,4,3 Current State: 79:[21, 35], Operations: ['19+2=21', '82-47=35'] Exploring Operation: 35-21=14, Resulting Numbers: [14] 14,79 unequal: No Solution Exploring Operation: 21+35=56, Resulting Numbers: [56] 56,79 unequal: No Solution Exploring Operation: 21*35=735, Resulting Numbers: [735] 735,79 unequal: No Solution Moving to Node #0,1,4 Current State: 79:[19, 33], Operations: ['82-2=80', '80-47=33'] Exploring Operation: 19+33=52, Resulting Numbers: [52] 52,79 unequal: No Solution Exploring Operation: 19*33=627, Resulting Numbers: [627] 627,79 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,79 unequal: No Solution Moving to Node #0,3,1 Current State: 79:[19, 12], Operations: ['47*2=94', '94-82=12'] Exploring Operation: 19*12=228, Resulting Numbers: [228] 228,79 unequal: No Solution Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,79 unequal: No Solution Exploring Operation: 19+12=31, Resulting Numbers: [31] 31,79 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 94, 71, 10, 60 ]
29
[ "94-71=23", "60/10=6", "23+6=29" ]
Current State: 29:[94, 71, 10, 60], Operations: [] Exploring Operation: 94-71=23, Resulting Numbers: [10, 60, 23] Generated Node #2: [10, 60, 23] from Operation: 94-71=23 Current State: 29:[10, 60, 23], Operations: ['94-71=23'] Exploring Operation: 60/10=6, Resulting Numbers: [23, 6] Generated Node #3: [23, 6] from Operation: 60/10=6 Current State: 29:[23, 6], Operations: ['94-71=23', '60/10=6'] Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[94, 71, 10, 60], Operations: [] Exploring Operation: 71-60=11, Resulting Numbers: [94, 10, 11] Generated Node #0,0: 29:[94, 10, 11] Operation: 71-60=11 Exploring Operation: 71-10=61, Resulting Numbers: [94, 60, 61] Generated Node #0,1: 29:[94, 60, 61] Operation: 71-10=61 Exploring Operation: 94-71=23, Resulting Numbers: [10, 60, 23] Generated Node #0,2: 29:[10, 60, 23] Operation: 94-71=23 Exploring Operation: 94-60=34, Resulting Numbers: [71, 10, 34] Generated Node #0,3: 29:[71, 10, 34] Operation: 94-60=34 Exploring Operation: 94-10=84, Resulting Numbers: [71, 60, 84] Generated Node #0,4: 29:[71, 60, 84] Operation: 94-10=84 Moving to Node #0,2 Current State: 29:[10, 60, 23], Operations: ['94-71=23'] Exploring Operation: 60-10=50, Resulting Numbers: [23, 50] Generated Node #0,2,0: 29:[23, 50] Operation: 60-10=50 Exploring Operation: 60-23=37, Resulting Numbers: [10, 37] Generated Node #0,2,1: 29:[10, 37] Operation: 60-23=37 Exploring Operation: 10+60=70, Resulting Numbers: [23, 70] Generated Node #0,2,2: 29:[23, 70] Operation: 10+60=70 Exploring Operation: 60/10=6, Resulting Numbers: [23, 6] Generated Node #0,2,3: 29:[23, 6] Operation: 60/10=6 Exploring Operation: 10+23=33, Resulting Numbers: [60, 33] Generated Node #0,2,4: 29:[60, 33] Operation: 10+23=33 Moving to Node #0,3 Current State: 29:[71, 10, 34], Operations: ['94-60=34'] Exploring Operation: 10+34=44, Resulting Numbers: [71, 44] Generated Node #0,3,0: 29:[71, 44] Operation: 10+34=44 Exploring Operation: 71+10=81, Resulting Numbers: [34, 81] Generated Node #0,3,1: 29:[34, 81] Operation: 71+10=81 Exploring Operation: 34-10=24, Resulting Numbers: [71, 24] Generated Node #0,3,2: 29:[71, 24] Operation: 34-10=24 Exploring Operation: 71-34=37, Resulting Numbers: [10, 37] Generated Node #0,3,3: 29:[10, 37] Operation: 71-34=37 Exploring Operation: 71-10=61, Resulting Numbers: [34, 61] Generated Node #0,3,4: 29:[34, 61] Operation: 71-10=61 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 29:[10, 37], Operations: ['94-60=34', '71-34=37'] Exploring Operation: 10*37=370, Resulting Numbers: [370] 370,29 unequal: No Solution Exploring Operation: 10+37=47, Resulting Numbers: [47] 47,29 unequal: No Solution Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,29 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 #0,3,4 Current State: 29:[34, 61], Operations: ['94-60=34', '71-10=61'] Exploring Operation: 34+61=95, Resulting Numbers: [95] 95,29 unequal: No Solution Exploring Operation: 34*61=2074, Resulting Numbers: [2074] 2074,29 unequal: No Solution Exploring Operation: 61-34=27, Resulting Numbers: [27] 27,29 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 #0,3,2 Current State: 29:[71, 24], Operations: ['94-60=34', '34-10=24'] Exploring Operation: 71-24=47, Resulting Numbers: [47] 47,29 unequal: No Solution Exploring Operation: 71+24=95, Resulting Numbers: [95] 95,29 unequal: No Solution Exploring Operation: 71*24=1704, Resulting Numbers: [1704] 1704,29 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 #0,3,0 Current State: 29:[71, 44], Operations: ['94-60=34', '10+34=44'] Exploring Operation: 71*44=3124, Resulting Numbers: [3124] 3124,29 unequal: No Solution Exploring Operation: 71+44=115, Resulting Numbers: [115] 115,29 unequal: No Solution Exploring Operation: 71-44=27, Resulting Numbers: [27] 27,29 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 #0,3,1 Current State: 29:[34, 81], Operations: ['94-60=34', '71+10=81'] Exploring Operation: 34+81=115, Resulting Numbers: [115] 115,29 unequal: No Solution Exploring Operation: 34*81=2754, Resulting Numbers: [2754] 2754,29 unequal: No Solution Exploring Operation: 81-34=47, Resulting Numbers: [47] 47,29 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: 29:[94, 10, 11], Operations: ['71-60=11'] Exploring Operation: 94+10=104, Resulting Numbers: [11, 104] Generated Node #0,0,0: 29:[11, 104] Operation: 94+10=104 Exploring Operation: 94-10=84, Resulting Numbers: [11, 84] Generated Node #0,0,1: 29:[11, 84] Operation: 94-10=84 Exploring Operation: 10+11=21, Resulting Numbers: [94, 21] Generated Node #0,0,2: 29:[94, 21] Operation: 10+11=21 Exploring Operation: 94-11=83, Resulting Numbers: [10, 83] Generated Node #0,0,3: 29:[10, 83] Operation: 94-11=83 Exploring Operation: 11-10=1, Resulting Numbers: [94, 1] Generated Node #0,0,4: 29:[94, 1] Operation: 11-10=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[11, 84], Operations: ['71-60=11', '94-10=84'] Exploring Operation: 11*84=924, Resulting Numbers: [924] 924,29 unequal: No Solution Exploring Operation: 11+84=95, Resulting Numbers: [95] 95,29 unequal: No Solution Exploring Operation: 84-11=73, Resulting Numbers: [73] 73,29 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 #0,0,2 Current State: 29:[94, 21], Operations: ['71-60=11', '10+11=21'] Exploring Operation: 94-21=73, Resulting Numbers: [73] 73,29 unequal: No Solution Exploring Operation: 94+21=115, Resulting Numbers: [115] 115,29 unequal: No Solution Exploring Operation: 94*21=1974, Resulting Numbers: [1974] 1974,29 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 #0,0,3 Current State: 29:[10, 83], Operations: ['71-60=11', '94-11=83'] Exploring Operation: 83-10=73, Resulting Numbers: [73] 73,29 unequal: No Solution Exploring Operation: 10+83=93, Resulting Numbers: [93] 93,29 unequal: No Solution Exploring Operation: 10*83=830, Resulting Numbers: [830] 830,29 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 #0,0,0 Current State: 29:[11, 104], Operations: ['71-60=11', '94+10=104'] Exploring Operation: 11*104=1144, Resulting Numbers: [1144] 1144,29 unequal: No Solution Exploring Operation: 11+104=115, Resulting Numbers: [115] 115,29 unequal: No Solution Exploring Operation: 104-11=93, Resulting Numbers: [93] 93,29 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 #0,0,4 Current State: 29:[94, 1], Operations: ['71-60=11', '11-10=1'] Exploring Operation: 94/1=94, Resulting Numbers: [94] 94,29 unequal: No Solution Exploring Operation: 94*1=94, Resulting Numbers: [94] 94,29 unequal: No Solution Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,29 unequal: No Solution Exploring Operation: 94+1=95, Resulting Numbers: [95] 95,29 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: 29:[94, 60, 61], Operations: ['71-10=61'] Exploring Operation: 94-61=33, Resulting Numbers: [60, 33] Generated Node #0,1,0: 29:[60, 33] Operation: 94-61=33 Exploring Operation: 94+60=154, Resulting Numbers: [61, 154] Generated Node #0,1,1: 29:[61, 154] Operation: 94+60=154 Exploring Operation: 94-60=34, Resulting Numbers: [61, 34] Generated Node #0,1,2: 29:[61, 34] Operation: 94-60=34 Exploring Operation: 61-60=1, Resulting Numbers: [94, 1] Generated Node #0,1,3: 29:[94, 1] Operation: 61-60=1 Exploring Operation: 94+61=155, Resulting Numbers: [60, 155] Generated Node #0,1,4: 29:[60, 155] Operation: 94+61=155 Moving to Node #0,4 Current State: 29:[71, 60, 84], Operations: ['94-10=84'] Exploring Operation: 84-60=24, Resulting Numbers: [71, 24] Generated Node #0,4,0: 29:[71, 24] Operation: 84-60=24 Exploring Operation: 71+60=131, Resulting Numbers: [84, 131] Generated Node #0,4,1: 29:[84, 131] Operation: 71+60=131 Exploring Operation: 71-60=11, Resulting Numbers: [84, 11] Generated Node #0,4,2: 29:[84, 11] Operation: 71-60=11 Exploring Operation: 71+84=155, Resulting Numbers: [60, 155] Generated Node #0,4,3: 29:[60, 155] Operation: 71+84=155 Exploring Operation: 84-71=13, Resulting Numbers: [60, 13] Generated Node #0,4,4: 29:[60, 13] Operation: 84-71=13 Moving to Node #0,2,0 Current State: 29:[23, 50], Operations: ['94-71=23', '60-10=50'] Exploring Operation: 23*50=1150, Resulting Numbers: [1150] 1150,29 unequal: No Solution Exploring Operation: 50-23=27, Resulting Numbers: [27] 27,29 unequal: No Solution Exploring Operation: 23+50=73, Resulting Numbers: [73] 73,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[10, 37], Operations: ['94-71=23', '60-23=37'] Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,29 unequal: No Solution Exploring Operation: 10*37=370, Resulting Numbers: [370] 370,29 unequal: No Solution Exploring Operation: 10+37=47, Resulting Numbers: [47] 47,29 unequal: No Solution Moving to Node #0,2,3 Current State: 29:[23, 6], Operations: ['94-71=23', '60/10=6'] Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,29 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[94, 71, 10, 60], Operations: [] Exploring Operation: 94-71=23, Resulting Numbers: [10, 60, 23] Generated Node #0,2: 29:[10, 60, 23] Operation: 94-71=23 Moving to Node #0,2 Current State: 29:[10, 60, 23], Operations: ['94-71=23'] Exploring Operation: 60/10=6, Resulting Numbers: [23, 6] Generated Node #0,2,3: 29:[23, 6] Operation: 60/10=6 Moving to Node #0,2,3 Current State: 29:[23, 6], Operations: ['94-71=23', '60/10=6'] Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
0.936632
hs_5
sum_heuristic
[ 75, 15, 84, 60 ]
36
[ "75-15=60", "84-60=24", "60-24=36" ]
Current State: 36:[75, 15, 84, 60], Operations: [] Exploring Operation: 75-15=60, Resulting Numbers: [84, 60, 60] Generated Node #2: [84, 60, 60] from Operation: 75-15=60 Current State: 36:[84, 60, 60], Operations: ['75-15=60'] Exploring Operation: 84-60=24, Resulting Numbers: [24] 24,36 equal: Goal Reached Exploring Operation: 60-24=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[75, 15, 84, 60], Operations: [] Exploring Operation: 84-60=24, Resulting Numbers: [75, 15, 24] Generated Node #0,0: 36:[75, 15, 24] Operation: 84-60=24 Exploring Operation: 84-75=9, Resulting Numbers: [15, 60, 9] Generated Node #0,1: 36:[15, 60, 9] Operation: 84-75=9 Exploring Operation: 75-60=15, Resulting Numbers: [15, 84, 15] Generated Node #0,2: 36:[15, 84, 15] Operation: 75-60=15 Moving to Node #0,1 Current State: 36:[15, 60, 9], Operations: ['84-75=9'] Exploring Operation: 60/15=4, Resulting Numbers: [9, 4] Generated Node #0,1,0: 36:[9, 4] Operation: 60/15=4 Exploring Operation: 60-9=51, Resulting Numbers: [15, 51] Generated Node #0,1,1: 36:[15, 51] Operation: 60-9=51 Exploring Operation: 60-15=45, Resulting Numbers: [9, 45] Generated Node #0,1,2: 36:[9, 45] Operation: 60-15=45 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 36:[9, 4], Operations: ['84-75=9', '60/15=4'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[75, 15, 84, 60], Operations: [] Exploring Operation: 84-75=9, Resulting Numbers: [15, 60, 9] Generated Node #0,1: 36:[15, 60, 9] Operation: 84-75=9 Moving to Node #0,1 Current State: 36:[15, 60, 9], Operations: ['84-75=9'] Exploring Operation: 60/15=4, Resulting Numbers: [9, 4] Generated Node #0,1,0: 36:[9, 4] Operation: 60/15=4 Moving to Node #0,1,0 Current State: 36:[9, 4], Operations: ['84-75=9', '60/15=4'] Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 64, 95, 48, 32 ]
93
[ "64-48=16", "32/16=2", "95-2=93" ]
Current State: 93:[64, 95, 48, 32], Operations: [] Exploring Operation: 64-48=16, Resulting Numbers: [95, 32, 16] Generated Node #2: [95, 32, 16] from Operation: 64-48=16 Current State: 93:[95, 32, 16], Operations: ['64-48=16'] Exploring Operation: 32/16=2, Resulting Numbers: [95, 2] Generated Node #3: [95, 2] from Operation: 32/16=2 Current State: 93:[95, 2], Operations: ['64-48=16', '32/16=2'] Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[64, 95, 48, 32], Operations: [] Exploring Operation: 95-64=31, Resulting Numbers: [48, 32, 31] Generated Node #0,0: 93:[48, 32, 31] Operation: 95-64=31 Exploring Operation: 64-48=16, Resulting Numbers: [95, 32, 16] Generated Node #0,1: 93:[95, 32, 16] Operation: 64-48=16 Moving to Node #0,1 Current State: 93:[95, 32, 16], Operations: ['64-48=16'] Exploring Operation: 32/16=2, Resulting Numbers: [95, 2] Generated Node #0,1,0: 93:[95, 2] Operation: 32/16=2 Exploring Operation: 95-16=79, Resulting Numbers: [32, 79] Generated Node #0,1,1: 93:[32, 79] Operation: 95-16=79 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[95, 2], Operations: ['64-48=16', '32/16=2'] Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[64, 95, 48, 32], Operations: [] Exploring Operation: 64-48=16, Resulting Numbers: [95, 32, 16] Generated Node #0,1: 93:[95, 32, 16] Operation: 64-48=16 Moving to Node #0,1 Current State: 93:[95, 32, 16], Operations: ['64-48=16'] Exploring Operation: 32/16=2, Resulting Numbers: [95, 2] Generated Node #0,1,0: 93:[95, 2] Operation: 32/16=2 Moving to Node #0,1,0 Current State: 93:[95, 2], Operations: ['64-48=16', '32/16=2'] Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 67, 56, 93, 57 ]
42
[ "67+57=124", "56*93=5208", "5208/124=42" ]
Current State: 42:[67, 56, 93, 57], Operations: [] Exploring Operation: 67+57=124, Resulting Numbers: [56, 93, 124] Generated Node #2: [56, 93, 124] from Operation: 67+57=124 Current State: 42:[56, 93, 124], Operations: ['67+57=124'] Exploring Operation: 56*93=5208, Resulting Numbers: [124, 5208] Generated Node #3: [124, 5208] from Operation: 56*93=5208 Current State: 42:[124, 5208], Operations: ['67+57=124', '56*93=5208'] Exploring Operation: 5208/124=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[67, 56, 93, 57], Operations: [] Exploring Operation: 93-67=26, Resulting Numbers: [56, 57, 26] Generated Node #0,0: 42:[56, 57, 26] Operation: 93-67=26 Exploring Operation: 93-56=37, Resulting Numbers: [67, 57, 37] Generated Node #0,1: 42:[67, 57, 37] Operation: 93-56=37 Exploring Operation: 93-57=36, Resulting Numbers: [67, 56, 36] Generated Node #0,2: 42:[67, 56, 36] Operation: 93-57=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[56, 57, 26], Operations: ['93-67=26'] Exploring Operation: 57-56=1, Resulting Numbers: [26, 1] Generated Node #0,0,0: 42:[26, 1] Operation: 57-56=1 Exploring Operation: 56-26=30, Resulting Numbers: [57, 30] Generated Node #0,0,1: 42:[57, 30] Operation: 56-26=30 Exploring Operation: 57-26=31, Resulting Numbers: [56, 31] Generated Node #0,0,2: 42:[56, 31] Operation: 57-26=31 Moving to Node #0,0,0 Current State: 42:[26, 1], Operations: ['93-67=26', '57-56=1'] Exploring Operation: 26/1=26, Resulting Numbers: [26] 26,42 unequal: No Solution Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,42 unequal: No Solution Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,42 unequal: No Solution Moving to Node #0,0,1 Current State: 42:[57, 30], Operations: ['93-67=26', '56-26=30'] Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,42 unequal: No Solution Exploring Operation: 57*30=1710, Resulting Numbers: [1710] 1710,42 unequal: No Solution Exploring Operation: 57+30=87, Resulting Numbers: [87] 87,42 unequal: No Solution Moving to Node #0,0,2 Current State: 42:[56, 31], Operations: ['93-67=26', '57-26=31'] Exploring Operation: 56*31=1736, Resulting Numbers: [1736] 1736,42 unequal: No Solution Exploring Operation: 56+31=87, Resulting Numbers: [87] 87,42 unequal: No Solution Exploring Operation: 56-31=25, Resulting Numbers: [25] 25,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[67, 57, 37], Operations: ['93-56=37'] Exploring Operation: 67-37=30, Resulting Numbers: [57, 30] Generated Node #0,1,0: 42:[57, 30] Operation: 67-37=30 Exploring Operation: 67-57=10, Resulting Numbers: [37, 10] Generated Node #0,1,1: 42:[37, 10] Operation: 67-57=10 Exploring Operation: 57-37=20, Resulting Numbers: [67, 20] Generated Node #0,1,2: 42:[67, 20] Operation: 57-37=20 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 42:[37, 10], Operations: ['93-56=37', '67-57=10'] Exploring Operation: 37-10=27, Resulting Numbers: [27] 27,42 unequal: No Solution Exploring Operation: 37+10=47, Resulting Numbers: [47] 47,42 unequal: No Solution Exploring Operation: 37*10=370, Resulting Numbers: [370] 370,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 42:[57, 30], Operations: ['93-56=37', '67-37=30'] Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,42 unequal: No Solution Exploring Operation: 57*30=1710, Resulting Numbers: [1710] 1710,42 unequal: No Solution Exploring Operation: 57+30=87, Resulting Numbers: [87] 87,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 42:[67, 20], Operations: ['93-56=37', '57-37=20'] Exploring Operation: 67*20=1340, Resulting Numbers: [1340] 1340,42 unequal: No Solution Exploring Operation: 67-20=47, Resulting Numbers: [47] 47,42 unequal: No Solution Exploring Operation: 67+20=87, Resulting Numbers: [87] 87,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[67, 56, 36], Operations: ['93-57=36'] Exploring Operation: 67-36=31, Resulting Numbers: [56, 31] Generated Node #0,2,0: 42:[56, 31] Operation: 67-36=31 Exploring Operation: 67-56=11, Resulting Numbers: [36, 11] Generated Node #0,2,1: 42:[36, 11] Operation: 67-56=11 Exploring Operation: 56-36=20, Resulting Numbers: [67, 20] Generated Node #0,2,2: 42:[67, 20] Operation: 56-36=20 Moving to Node #0,2,1 Current State: 42:[36, 11], Operations: ['93-57=36', '67-56=11'] Exploring Operation: 36+11=47, Resulting Numbers: [47] 47,42 unequal: No Solution Exploring Operation: 36*11=396, Resulting Numbers: [396] 396,42 unequal: No Solution Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,42 unequal: No Solution Moving to Node #0,2,0 Current State: 42:[56, 31], Operations: ['93-57=36', '67-36=31'] Exploring Operation: 56-31=25, Resulting Numbers: [25] 25,42 unequal: No Solution Exploring Operation: 56+31=87, Resulting Numbers: [87] 87,42 unequal: No Solution Exploring Operation: 56*31=1736, Resulting Numbers: [1736] 1736,42 unequal: No Solution Moving to Node #0,2,2 Current State: 42:[67, 20], Operations: ['93-57=36', '56-36=20'] Exploring Operation: 67-20=47, Resulting Numbers: [47] 47,42 unequal: No Solution Exploring Operation: 67+20=87, Resulting Numbers: [87] 87,42 unequal: No Solution Exploring Operation: 67*20=1340, Resulting Numbers: [1340] 1340,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 87, 37, 39, 56 ]
62
[ "87-56=31", "39-37=2", "31*2=62" ]
Current State: 62:[87, 37, 39, 56], Operations: [] Exploring Operation: 87-56=31, Resulting Numbers: [37, 39, 31] Generated Node #2: [37, 39, 31] from Operation: 87-56=31 Current State: 62:[37, 39, 31], Operations: ['87-56=31'] Exploring Operation: 39-37=2, Resulting Numbers: [31, 2] Generated Node #3: [31, 2] from Operation: 39-37=2 Current State: 62:[31, 2], Operations: ['87-56=31', '39-37=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[87, 37, 39, 56], Operations: [] Exploring Operation: 87-37=50, Resulting Numbers: [39, 56, 50] Generated Node #0,0: 62:[39, 56, 50] Operation: 87-37=50 Exploring Operation: 87-39=48, Resulting Numbers: [37, 56, 48] Generated Node #0,1: 62:[37, 56, 48] Operation: 87-39=48 Exploring Operation: 87-56=31, Resulting Numbers: [37, 39, 31] Generated Node #0,2: 62:[37, 39, 31] Operation: 87-56=31 Moving to Node #0,2 Current State: 62:[37, 39, 31], Operations: ['87-56=31'] Exploring Operation: 37-31=6, Resulting Numbers: [39, 6] Generated Node #0,2,0: 62:[39, 6] Operation: 37-31=6 Exploring Operation: 39-37=2, Resulting Numbers: [31, 2] Generated Node #0,2,1: 62:[31, 2] Operation: 39-37=2 Exploring Operation: 39-31=8, Resulting Numbers: [37, 8] Generated Node #0,2,2: 62:[37, 8] Operation: 39-31=8 Moving to Node #0,0 Current State: 62:[39, 56, 50], Operations: ['87-37=50'] Exploring Operation: 56-39=17, Resulting Numbers: [50, 17] Generated Node #0,0,0: 62:[50, 17] Operation: 56-39=17 Exploring Operation: 50-39=11, Resulting Numbers: [56, 11] Generated Node #0,0,1: 62:[56, 11] Operation: 50-39=11 Exploring Operation: 56-50=6, Resulting Numbers: [39, 6] Generated Node #0,0,2: 62:[39, 6] Operation: 56-50=6 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 62:[39, 6], Operations: ['87-37=50', '56-50=6'] Exploring Operation: 39-6=33, Resulting Numbers: [33] 33,62 unequal: No Solution Exploring Operation: 39+6=45, Resulting Numbers: [45] 45,62 unequal: No Solution Exploring Operation: 39*6=234, Resulting Numbers: [234] 234,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 62:[56, 11], Operations: ['87-37=50', '50-39=11'] Exploring Operation: 56*11=616, Resulting Numbers: [616] 616,62 unequal: No Solution Exploring Operation: 56-11=45, Resulting Numbers: [45] 45,62 unequal: No Solution Exploring Operation: 56+11=67, Resulting Numbers: [67] 67,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[50, 17], Operations: ['87-37=50', '56-39=17'] Exploring Operation: 50*17=850, Resulting Numbers: [850] 850,62 unequal: No Solution Exploring Operation: 50+17=67, Resulting Numbers: [67] 67,62 unequal: No Solution Exploring Operation: 50-17=33, Resulting Numbers: [33] 33,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 62:[37, 56, 48], Operations: ['87-39=48'] Exploring Operation: 48-37=11, Resulting Numbers: [56, 11] Generated Node #0,1,0: 62:[56, 11] Operation: 48-37=11 Exploring Operation: 56-37=19, Resulting Numbers: [48, 19] Generated Node #0,1,1: 62:[48, 19] Operation: 56-37=19 Exploring Operation: 56-48=8, Resulting Numbers: [37, 8] Generated Node #0,1,2: 62:[37, 8] Operation: 56-48=8 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 62:[37, 8], Operations: ['87-39=48', '56-48=8'] Exploring Operation: 37*8=296, Resulting Numbers: [296] 296,62 unequal: No Solution Exploring Operation: 37+8=45, Resulting Numbers: [45] 45,62 unequal: No Solution Exploring Operation: 37-8=29, Resulting Numbers: [29] 29,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[56, 11], Operations: ['87-39=48', '48-37=11'] Exploring Operation: 56+11=67, Resulting Numbers: [67] 67,62 unequal: No Solution Exploring Operation: 56-11=45, Resulting Numbers: [45] 45,62 unequal: No Solution Exploring Operation: 56*11=616, Resulting Numbers: [616] 616,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 62:[48, 19], Operations: ['87-39=48', '56-37=19'] Exploring Operation: 48*19=912, Resulting Numbers: [912] 912,62 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 62:[31, 2], Operations: ['87-56=31', '39-37=2'] Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,62 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,62 unequal: No Solution Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[87, 37, 39, 56], Operations: [] Exploring Operation: 87-56=31, Resulting Numbers: [37, 39, 31] Generated Node #0,2: 62:[37, 39, 31] Operation: 87-56=31 Moving to Node #0,2 Current State: 62:[37, 39, 31], Operations: ['87-56=31'] Exploring Operation: 39-37=2, Resulting Numbers: [31, 2] Generated Node #0,2,1: 62:[31, 2] Operation: 39-37=2 Moving to Node #0,2,1 Current State: 62:[31, 2], Operations: ['87-56=31', '39-37=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
0.967882
hs_3
mult_heuristic
[ 1, 96, 9, 16 ]
89
[ "1*96=96", "16-9=7", "96-7=89" ]
Current State: 89:[1, 96, 9, 16], Operations: [] Exploring Operation: 1*96=96, Resulting Numbers: [9, 16, 96] Generated Node #2: [9, 16, 96] from Operation: 1*96=96 Current State: 89:[9, 16, 96], Operations: ['1*96=96'] Exploring Operation: 16-9=7, Resulting Numbers: [96, 7] Generated Node #3: [96, 7] from Operation: 16-9=7 Current State: 89:[96, 7], Operations: ['1*96=96', '16-9=7'] Exploring Operation: 96-7=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[1, 96, 9, 16], Operations: [] Exploring Operation: 9*16=144, Resulting Numbers: [1, 96, 144] Generated Node #0,0: 89:[1, 96, 144] Operation: 9*16=144 Moving to Node #0,0 Current State: 89:[1, 96, 144], Operations: ['9*16=144'] Exploring Operation: 96-1=95, Resulting Numbers: [144, 95] Generated Node #0,0,0: 89:[144, 95] Operation: 96-1=95 Moving to Node #0,0,0 Current State: 89:[144, 95], Operations: ['9*16=144', '96-1=95'] Exploring Operation: 144-95=49, Resulting Numbers: [49] 49,89 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 31, 36, 77, 65 ]
93
[ "31*36=1116", "77-65=12", "1116/12=93" ]
Current State: 93:[31, 36, 77, 65], Operations: [] Exploring Operation: 31*36=1116, Resulting Numbers: [77, 65, 1116] Generated Node #2: [77, 65, 1116] from Operation: 31*36=1116 Current State: 93:[77, 65, 1116], Operations: ['31*36=1116'] Exploring Operation: 77-65=12, Resulting Numbers: [1116, 12] Generated Node #3: [1116, 12] from Operation: 77-65=12 Current State: 93:[1116, 12], Operations: ['31*36=1116', '77-65=12'] Exploring Operation: 1116/12=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[31, 36, 77, 65], Operations: [] Exploring Operation: 77-65=12, Resulting Numbers: [31, 36, 12] Generated Node #0,0: 93:[31, 36, 12] Operation: 77-65=12 Exploring Operation: 65-36=29, Resulting Numbers: [31, 77, 29] Generated Node #0,1: 93:[31, 77, 29] Operation: 65-36=29 Moving to Node #0,0 Current State: 93:[31, 36, 12], Operations: ['77-65=12'] Exploring Operation: 36-12=24, Resulting Numbers: [31, 24] Generated Node #0,0,0: 93:[31, 24] Operation: 36-12=24 Exploring Operation: 36/12=3, Resulting Numbers: [31, 3] Generated Node #0,0,1: 93:[31, 3] Operation: 36/12=3 Moving to Node #0,1 Current State: 93:[31, 77, 29], Operations: ['65-36=29'] Exploring Operation: 77+29=106, Resulting Numbers: [31, 106] Generated Node #0,1,0: 93:[31, 106] Operation: 77+29=106 Exploring Operation: 31+77=108, Resulting Numbers: [29, 108] Generated Node #0,1,1: 93:[29, 108] Operation: 31+77=108 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[31, 106], Operations: ['65-36=29', '77+29=106'] Exploring Operation: 106-31=75, Resulting Numbers: [75] 75,93 unequal: No Solution Exploring Operation: 31+106=137, Resulting Numbers: [137] 137,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[29, 108], Operations: ['65-36=29', '31+77=108'] Exploring Operation: 29+108=137, Resulting Numbers: [137] 137,93 unequal: No Solution Exploring Operation: 108-29=79, Resulting Numbers: [79] 79,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 93:[31, 3], Operations: ['77-65=12', '36/12=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,93 unequal: No Solution Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[31, 36, 77, 65], Operations: [] Exploring Operation: 77-65=12, Resulting Numbers: [31, 36, 12] Generated Node #0,0: 93:[31, 36, 12] Operation: 77-65=12 Moving to Node #0,0 Current State: 93:[31, 36, 12], Operations: ['77-65=12'] Exploring Operation: 36/12=3, Resulting Numbers: [31, 3] Generated Node #0,0,1: 93:[31, 3] Operation: 36/12=3 Moving to Node #0,0,1 Current State: 93:[31, 3], Operations: ['77-65=12', '36/12=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 37, 77, 9, 62 ]
93
[ "77-37=40", "62-9=53", "40+53=93" ]
Current State: 93:[37, 77, 9, 62], Operations: [] Exploring Operation: 77-37=40, Resulting Numbers: [9, 62, 40] Generated Node #2: [9, 62, 40] from Operation: 77-37=40 Current State: 93:[9, 62, 40], Operations: ['77-37=40'] Exploring Operation: 62-9=53, Resulting Numbers: [40, 53] Generated Node #3: [40, 53] from Operation: 62-9=53 Current State: 93:[40, 53], Operations: ['77-37=40', '62-9=53'] Exploring Operation: 40+53=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[37, 77, 9, 62], Operations: [] Exploring Operation: 62-37=25, Resulting Numbers: [77, 9, 25] Generated Node #0,0: 93:[77, 9, 25] Operation: 62-37=25 Exploring Operation: 37+62=99, Resulting Numbers: [77, 9, 99] Generated Node #0,1: 93:[77, 9, 99] Operation: 37+62=99 Exploring Operation: 77+9=86, Resulting Numbers: [37, 62, 86] Generated Node #0,2: 93:[37, 62, 86] Operation: 77+9=86 Exploring Operation: 77-62=15, Resulting Numbers: [37, 9, 15] Generated Node #0,3: 93:[37, 9, 15] Operation: 77-62=15 Exploring Operation: 9+62=71, Resulting Numbers: [37, 77, 71] Generated Node #0,4: 93:[37, 77, 71] Operation: 9+62=71 Start Sub Search at level 1: Moving to Node #0,3 Current State: 93:[37, 9, 15], Operations: ['77-62=15'] Exploring Operation: 15-9=6, Resulting Numbers: [37, 6] Generated Node #0,3,0: 93:[37, 6] Operation: 15-9=6 Exploring Operation: 37-9=28, Resulting Numbers: [15, 28] Generated Node #0,3,1: 93:[15, 28] Operation: 37-9=28 Exploring Operation: 37+9=46, Resulting Numbers: [15, 46] Generated Node #0,3,2: 93:[15, 46] Operation: 37+9=46 Exploring Operation: 37-15=22, Resulting Numbers: [9, 22] Generated Node #0,3,3: 93:[9, 22] Operation: 37-15=22 Exploring Operation: 9+15=24, Resulting Numbers: [37, 24] Generated Node #0,3,4: 93:[37, 24] Operation: 9+15=24 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 93:[37, 6], Operations: ['77-62=15', '15-9=6'] Exploring Operation: 37+6=43, Resulting Numbers: [43] 43,93 unequal: No Solution Exploring Operation: 37*6=222, Resulting Numbers: [222] 222,93 unequal: No Solution Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 93:[37, 24], Operations: ['77-62=15', '9+15=24'] Exploring Operation: 37*24=888, Resulting Numbers: [888] 888,93 unequal: No Solution Exploring Operation: 37+24=61, Resulting Numbers: [61] 61,93 unequal: No Solution Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,93 unequal: No Solution No 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: 93:[15, 28], Operations: ['77-62=15', '37-9=28'] Exploring Operation: 15*28=420, Resulting Numbers: [420] 420,93 unequal: No Solution Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,93 unequal: No Solution Exploring Operation: 15+28=43, Resulting Numbers: [43] 43,93 unequal: No Solution No 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: 93:[9, 22], Operations: ['77-62=15', '37-15=22'] Exploring Operation: 9*22=198, Resulting Numbers: [198] 198,93 unequal: No Solution Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,93 unequal: No Solution Exploring Operation: 9+22=31, Resulting Numbers: [31] 31,93 unequal: No Solution No 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: 93:[15, 46], Operations: ['77-62=15', '37+9=46'] Exploring Operation: 15+46=61, Resulting Numbers: [61] 61,93 unequal: No Solution Exploring Operation: 46-15=31, Resulting Numbers: [31] 31,93 unequal: No Solution Exploring Operation: 15*46=690, Resulting Numbers: [690] 690,93 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: 93:[77, 9, 25], Operations: ['62-37=25'] Exploring Operation: 77+25=102, Resulting Numbers: [9, 102] Generated Node #0,0,0: 93:[9, 102] Operation: 77+25=102 Exploring Operation: 77-25=52, Resulting Numbers: [9, 52] Generated Node #0,0,1: 93:[9, 52] Operation: 77-25=52 Exploring Operation: 25-9=16, Resulting Numbers: [77, 16] Generated Node #0,0,2: 93:[77, 16] Operation: 25-9=16 Exploring Operation: 9+25=34, Resulting Numbers: [77, 34] Generated Node #0,0,3: 93:[77, 34] Operation: 9+25=34 Exploring Operation: 77+9=86, Resulting Numbers: [25, 86] Generated Node #0,0,4: 93:[25, 86] Operation: 77+9=86 Moving to Node #0,0,4 Current State: 93:[25, 86], Operations: ['62-37=25', '77+9=86'] Exploring Operation: 86-25=61, Resulting Numbers: [61] 61,93 unequal: No Solution Exploring Operation: 25*86=2150, Resulting Numbers: [2150] 2150,93 unequal: No Solution Exploring Operation: 25+86=111, Resulting Numbers: [111] 111,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[9, 102], Operations: ['62-37=25', '77+25=102'] Exploring Operation: 9*102=918, Resulting Numbers: [918] 918,93 unequal: No Solution Exploring Operation: 102-9=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[37, 77, 9, 62], Operations: [] Exploring Operation: 62-37=25, Resulting Numbers: [77, 9, 25] Generated Node #0,0: 93:[77, 9, 25] Operation: 62-37=25 Moving to Node #0,0 Current State: 93:[77, 9, 25], Operations: ['62-37=25'] Exploring Operation: 77+25=102, Resulting Numbers: [9, 102] Generated Node #0,0,0: 93:[9, 102] Operation: 77+25=102 Moving to Node #0,0,0 Current State: 93:[9, 102], Operations: ['62-37=25', '77+25=102'] Exploring Operation: 102-9=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_5
mult_heuristic
[ 51, 6, 24, 78 ]
68
[ "24+78=102", "102/6=17", "51+17=68" ]
Current State: 68:[51, 6, 24, 78], Operations: [] Exploring Operation: 24+78=102, Resulting Numbers: [51, 6, 102] Generated Node #2: [51, 6, 102] from Operation: 24+78=102 Current State: 68:[51, 6, 102], Operations: ['24+78=102'] Exploring Operation: 102/6=17, Resulting Numbers: [51, 17] Generated Node #3: [51, 17] from Operation: 102/6=17 Current State: 68:[51, 17], Operations: ['24+78=102', '102/6=17'] Exploring Operation: 51+17=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[51, 6, 24, 78], Operations: [] Exploring Operation: 78-51=27, Resulting Numbers: [6, 24, 27] Generated Node #0,0: 68:[6, 24, 27] Operation: 78-51=27 Moving to Node #0,0 Current State: 68:[6, 24, 27], Operations: ['78-51=27'] Exploring Operation: 27-24=3, Resulting Numbers: [6, 3] Generated Node #0,0,0: 68:[6, 3] Operation: 27-24=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[6, 3], Operations: ['78-51=27', '27-24=3'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,68 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
[ 11, 14, 78, 73 ]
72
[ "11+73=84", "84/14=6", "78-6=72" ]
Current State: 72:[11, 14, 78, 73], Operations: [] Exploring Operation: 11+73=84, Resulting Numbers: [14, 78, 84] Generated Node #2: [14, 78, 84] from Operation: 11+73=84 Current State: 72:[14, 78, 84], Operations: ['11+73=84'] Exploring Operation: 84/14=6, Resulting Numbers: [78, 6] Generated Node #3: [78, 6] from Operation: 84/14=6 Current State: 72:[78, 6], Operations: ['11+73=84', '84/14=6'] Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[11, 14, 78, 73], Operations: [] Exploring Operation: 14-11=3, Resulting Numbers: [78, 73, 3] Generated Node #0,0: 72:[78, 73, 3] Operation: 14-11=3 Exploring Operation: 11+14=25, Resulting Numbers: [78, 73, 25] Generated Node #0,1: 72:[78, 73, 25] Operation: 11+14=25 Exploring Operation: 78-73=5, Resulting Numbers: [11, 14, 5] Generated Node #0,2: 72:[11, 14, 5] Operation: 78-73=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[11, 14, 5], Operations: ['78-73=5'] Exploring Operation: 11+14=25, Resulting Numbers: [5, 25] Generated Node #0,2,0: 72:[5, 25] Operation: 11+14=25 Exploring Operation: 14-11=3, Resulting Numbers: [5, 3] Generated Node #0,2,1: 72:[5, 3] Operation: 14-11=3 Exploring Operation: 14-5=9, Resulting Numbers: [11, 9] Generated Node #0,2,2: 72:[11, 9] Operation: 14-5=9 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 72:[5, 3], Operations: ['78-73=5', '14-11=3'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,72 unequal: No Solution Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,72 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:[11, 9], Operations: ['78-73=5', '14-5=9'] Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,72 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,72 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:[5, 25], Operations: ['78-73=5', '11+14=25'] Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,72 unequal: No Solution Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,72 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,72 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:[78, 73, 3], Operations: ['14-11=3'] Exploring Operation: 78-3=75, Resulting Numbers: [73, 75] Generated Node #0,0,0: 72:[73, 75] Operation: 78-3=75 Exploring Operation: 78/3=26, Resulting Numbers: [73, 26] Generated Node #0,0,1: 72:[73, 26] Operation: 78/3=26 Exploring Operation: 78-73=5, Resulting Numbers: [3, 5] Generated Node #0,0,2: 72:[3, 5] Operation: 78-73=5 Moving to Node #0,0,2 Current State: 72:[3, 5], Operations: ['14-11=3', '78-73=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,72 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[73, 26], Operations: ['14-11=3', '78/3=26'] Exploring Operation: 73*26=1898, Resulting Numbers: [1898] 1898,72 unequal: No Solution Exploring Operation: 73+26=99, Resulting Numbers: [99] 99,72 unequal: No Solution Exploring Operation: 73-26=47, Resulting Numbers: [47] 47,72 unequal: No Solution Moving to Node #0,0,0 Current State: 72:[73, 75], Operations: ['14-11=3', '78-3=75'] Exploring Operation: 73*75=5475, Resulting Numbers: [5475] 5475,72 unequal: No Solution Exploring Operation: 73+75=148, Resulting Numbers: [148] 148,72 unequal: No Solution Exploring Operation: 75-73=2, Resulting Numbers: [2] 2,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[78, 73, 25], Operations: ['11+14=25'] Exploring Operation: 73-25=48, Resulting Numbers: [78, 48] Generated Node #0,1,0: 72:[78, 48] Operation: 73-25=48 Exploring Operation: 78-25=53, Resulting Numbers: [73, 53] Generated Node #0,1,1: 72:[73, 53] Operation: 78-25=53 Exploring Operation: 78-73=5, Resulting Numbers: [25, 5] Generated Node #0,1,2: 72:[25, 5] Operation: 78-73=5 Moving to Node #0,1,2 Current State: 72:[25, 5], Operations: ['11+14=25', '78-73=5'] Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,72 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,72 unequal: No Solution Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,72 unequal: No Solution Moving to Node #0,1,0 Current State: 72:[78, 48], Operations: ['11+14=25', '73-25=48'] Exploring Operation: 78-48=30, Resulting Numbers: [30] 30,72 unequal: No Solution Exploring Operation: 78*48=3744, Resulting Numbers: [3744] 3744,72 unequal: No Solution Exploring Operation: 78+48=126, Resulting Numbers: [126] 126,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[73, 53], Operations: ['11+14=25', '78-25=53'] Exploring Operation: 73-53=20, Resulting Numbers: [20] 20,72 unequal: No Solution Exploring Operation: 73*53=3869, Resulting Numbers: [3869] 3869,72 unequal: No Solution Exploring Operation: 73+53=126, Resulting Numbers: [126] 126,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 7, 10, 1, 86 ]
88
[ "10-7=3", "86-1=85", "3+85=88" ]
Current State: 88:[7, 10, 1, 86], Operations: [] Exploring Operation: 10-7=3, Resulting Numbers: [1, 86, 3] Generated Node #2: [1, 86, 3] from Operation: 10-7=3 Current State: 88:[1, 86, 3], Operations: ['10-7=3'] Exploring Operation: 86-1=85, Resulting Numbers: [3, 85] Generated Node #3: [3, 85] from Operation: 86-1=85 Current State: 88:[3, 85], Operations: ['10-7=3', '86-1=85'] Exploring Operation: 3+85=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[7, 10, 1, 86], Operations: [] Exploring Operation: 10-7=3, Resulting Numbers: [1, 86, 3] Generated Node #0,0: 88:[1, 86, 3] Operation: 10-7=3 Exploring Operation: 1+86=87, Resulting Numbers: [7, 10, 87] Generated Node #0,1: 88:[7, 10, 87] Operation: 1+86=87 Exploring Operation: 10+1=11, Resulting Numbers: [7, 86, 11] Generated Node #0,2: 88:[7, 86, 11] Operation: 10+1=11 Exploring Operation: 7+1=8, Resulting Numbers: [10, 86, 8] Generated Node #0,3: 88:[10, 86, 8] Operation: 7+1=8 Moving to Node #0,1 Current State: 88:[7, 10, 87], Operations: ['1+86=87'] Exploring Operation: 87-7=80, Resulting Numbers: [10, 80] Generated Node #0,1,0: 88:[10, 80] Operation: 87-7=80 Exploring Operation: 10-7=3, Resulting Numbers: [87, 3] Generated Node #0,1,1: 88:[87, 3] Operation: 10-7=3 Exploring Operation: 7+87=94, Resulting Numbers: [10, 94] Generated Node #0,1,2: 88:[10, 94] Operation: 7+87=94 Exploring Operation: 7+10=17, Resulting Numbers: [87, 17] Generated Node #0,1,3: 88:[87, 17] Operation: 7+10=17 Moving to Node #0,3 Current State: 88:[10, 86, 8], Operations: ['7+1=8'] Exploring Operation: 10+86=96, Resulting Numbers: [8, 96] Generated Node #0,3,0: 88:[8, 96] Operation: 10+86=96 Exploring Operation: 10-8=2, Resulting Numbers: [86, 2] Generated Node #0,3,1: 88:[86, 2] Operation: 10-8=2 Exploring Operation: 10+8=18, Resulting Numbers: [86, 18] Generated Node #0,3,2: 88:[86, 18] Operation: 10+8=18 Exploring Operation: 86+8=94, Resulting Numbers: [10, 94] Generated Node #0,3,3: 88:[10, 94] Operation: 86+8=94 Moving to Node #0,2 Current State: 88:[7, 86, 11], Operations: ['10+1=11'] Exploring Operation: 7+11=18, Resulting Numbers: [86, 18] Generated Node #0,2,0: 88:[86, 18] Operation: 7+11=18 Exploring Operation: 86-7=79, Resulting Numbers: [11, 79] Generated Node #0,2,1: 88:[11, 79] Operation: 86-7=79 Exploring Operation: 7+86=93, Resulting Numbers: [11, 93] Generated Node #0,2,2: 88:[11, 93] Operation: 7+86=93 Exploring Operation: 11-7=4, Resulting Numbers: [86, 4] Generated Node #0,2,3: 88:[86, 4] Operation: 11-7=4 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 88:[86, 4], Operations: ['10+1=11', '11-7=4'] Exploring Operation: 86+4=90, Resulting Numbers: [90] 90,88 unequal: No Solution Exploring Operation: 86-4=82, Resulting Numbers: [82] 82,88 unequal: No Solution Exploring Operation: 86*4=344, Resulting Numbers: [344] 344,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 88:[11, 93], Operations: ['10+1=11', '7+86=93'] Exploring Operation: 93-11=82, Resulting Numbers: [82] 82,88 unequal: No Solution Exploring Operation: 11+93=104, Resulting Numbers: [104] 104,88 unequal: No Solution Exploring Operation: 11*93=1023, Resulting Numbers: [1023] 1023,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 88:[86, 18], Operations: ['10+1=11', '7+11=18'] Exploring Operation: 86+18=104, Resulting Numbers: [104] 104,88 unequal: No Solution Exploring Operation: 86*18=1548, Resulting Numbers: [1548] 1548,88 unequal: No Solution Exploring Operation: 86-18=68, Resulting Numbers: [68] 68,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 88:[11, 79], Operations: ['10+1=11', '86-7=79'] Exploring Operation: 11+79=90, Resulting Numbers: [90] 90,88 unequal: No Solution Exploring Operation: 79-11=68, Resulting Numbers: [68] 68,88 unequal: No Solution Exploring Operation: 11*79=869, Resulting Numbers: [869] 869,88 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: 88:[1, 86, 3], Operations: ['10-7=3'] Exploring Operation: 3-1=2, Resulting Numbers: [86, 2] Generated Node #0,0,0: 88:[86, 2] Operation: 3-1=2 Exploring Operation: 86+3=89, Resulting Numbers: [1, 89] Generated Node #0,0,1: 88:[1, 89] Operation: 86+3=89 Exploring Operation: 1+86=87, Resulting Numbers: [3, 87] Generated Node #0,0,2: 88:[3, 87] Operation: 1+86=87 Exploring Operation: 1+3=4, Resulting Numbers: [86, 4] Generated Node #0,0,3: 88:[86, 4] Operation: 1+3=4 Moving to Node #0,1,1 Current State: 88:[87, 3], Operations: ['1+86=87', '10-7=3'] Exploring Operation: 87+3=90, Resulting Numbers: [90] 90,88 unequal: No Solution Exploring Operation: 87*3=261, Resulting Numbers: [261] 261,88 unequal: No Solution Exploring Operation: 87/3=29, Resulting Numbers: [29] 29,88 unequal: No Solution Exploring Operation: 87-3=84, Resulting Numbers: [84] 84,88 unequal: No Solution Moving to Node #0,0,3 Current State: 88:[86, 4], Operations: ['10-7=3', '1+3=4'] Exploring Operation: 86-4=82, Resulting Numbers: [82] 82,88 unequal: No Solution Exploring Operation: 86+4=90, Resulting Numbers: [90] 90,88 unequal: No Solution Exploring Operation: 86*4=344, Resulting Numbers: [344] 344,88 unequal: No Solution Moving to Node #0,3,1 Current State: 88:[86, 2], Operations: ['7+1=8', '10-8=2'] Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 86*2=172, Resulting Numbers: [172] 172,88 unequal: No Solution Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[7, 10, 1, 86], Operations: [] Exploring Operation: 7+1=8, Resulting Numbers: [10, 86, 8] Generated Node #0,3: 88:[10, 86, 8] Operation: 7+1=8 Moving to Node #0,3 Current State: 88:[10, 86, 8], Operations: ['7+1=8'] Exploring Operation: 10-8=2, Resulting Numbers: [86, 2] Generated Node #0,3,1: 88:[86, 2] Operation: 10-8=2 Moving to Node #0,3,1 Current State: 88:[86, 2], Operations: ['7+1=8', '10-8=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.960069
hs_4
sum_heuristic
[ 71, 35, 89, 6 ]
32
[ "89-71=18", "18/6=3", "35-3=32" ]
Current State: 32:[71, 35, 89, 6], Operations: [] Exploring Operation: 89-71=18, Resulting Numbers: [35, 6, 18] Generated Node #2: [35, 6, 18] from Operation: 89-71=18 Current State: 32:[35, 6, 18], Operations: ['89-71=18'] Exploring Operation: 18/6=3, Resulting Numbers: [35, 3] Generated Node #3: [35, 3] from Operation: 18/6=3 Current State: 32:[35, 3], Operations: ['89-71=18', '18/6=3'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[71, 35, 89, 6], Operations: [] Exploring Operation: 71-35=36, Resulting Numbers: [89, 6, 36] Generated Node #0,0: 32:[89, 6, 36] Operation: 71-35=36 Exploring Operation: 89-71=18, Resulting Numbers: [35, 6, 18] Generated Node #0,1: 32:[35, 6, 18] Operation: 89-71=18 Moving to Node #0,1 Current State: 32:[35, 6, 18], Operations: ['89-71=18'] Exploring Operation: 35-18=17, Resulting Numbers: [6, 17] Generated Node #0,1,0: 32:[6, 17] Operation: 35-18=17 Exploring Operation: 18/6=3, Resulting Numbers: [35, 3] Generated Node #0,1,1: 32:[35, 3] Operation: 18/6=3 Moving to Node #0,0 Current State: 32:[89, 6, 36], Operations: ['71-35=36'] Exploring Operation: 89-36=53, Resulting Numbers: [6, 53] Generated Node #0,0,0: 32:[6, 53] Operation: 89-36=53 Exploring Operation: 89-6=83, Resulting Numbers: [36, 83] Generated Node #0,0,1: 32:[36, 83] Operation: 89-6=83 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[6, 53], Operations: ['71-35=36', '89-36=53'] Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,32 unequal: No Solution Exploring Operation: 6+53=59, Resulting Numbers: [59] 59,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 32:[36, 83], Operations: ['71-35=36', '89-6=83'] Exploring Operation: 83-36=47, Resulting Numbers: [47] 47,32 unequal: No Solution Exploring Operation: 36+83=119, Resulting Numbers: [119] 119,32 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: 32:[6, 17], Operations: ['89-71=18', '35-18=17'] Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,32 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[35, 3], Operations: ['89-71=18', '18/6=3'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[71, 35, 89, 6], Operations: [] Exploring Operation: 89-71=18, Resulting Numbers: [35, 6, 18] Generated Node #0,1: 32:[35, 6, 18] Operation: 89-71=18 Moving to Node #0,1 Current State: 32:[35, 6, 18], Operations: ['89-71=18'] Exploring Operation: 18/6=3, Resulting Numbers: [35, 3] Generated Node #0,1,1: 32:[35, 3] Operation: 18/6=3 Moving to Node #0,1,1 Current State: 32:[35, 3], Operations: ['89-71=18', '18/6=3'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
0.985243
hs_2
sum_heuristic
[ 67, 57, 98, 79 ]
53
[ "67+57=124", "98+79=177", "177-124=53" ]
Current State: 53:[67, 57, 98, 79], Operations: [] Exploring Operation: 67+57=124, Resulting Numbers: [98, 79, 124] Generated Node #2: [98, 79, 124] from Operation: 67+57=124 Current State: 53:[98, 79, 124], Operations: ['67+57=124'] Exploring Operation: 98+79=177, Resulting Numbers: [124, 177] Generated Node #3: [124, 177] from Operation: 98+79=177 Current State: 53:[124, 177], Operations: ['67+57=124', '98+79=177'] Exploring Operation: 177-124=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[67, 57, 98, 79], Operations: [] Exploring Operation: 98-67=31, Resulting Numbers: [57, 79, 31] Generated Node #0,0: 53:[57, 79, 31] Operation: 98-67=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[57, 79, 31], Operations: ['98-67=31'] Exploring Operation: 79-31=48, Resulting Numbers: [57, 48] Generated Node #0,0,0: 53:[57, 48] Operation: 79-31=48 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[57, 48], Operations: ['98-67=31', '79-31=48'] Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,53 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 No solution found.
0
hs_1
mult_heuristic
[ 16, 17, 11, 39 ]
57
[ "17-11=6", "16*6=96", "96-39=57" ]
Current State: 57:[16, 17, 11, 39], Operations: [] Exploring Operation: 17-11=6, Resulting Numbers: [16, 39, 6] Generated Node #2: [16, 39, 6] from Operation: 17-11=6 Current State: 57:[16, 39, 6], Operations: ['17-11=6'] Exploring Operation: 16*6=96, Resulting Numbers: [39, 96] Generated Node #3: [39, 96] from Operation: 16*6=96 Current State: 57:[39, 96], Operations: ['17-11=6', '16*6=96'] Exploring Operation: 96-39=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[16, 17, 11, 39], Operations: [] Exploring Operation: 17+39=56, Resulting Numbers: [16, 11, 56] Generated Node #0,0: 57:[16, 11, 56] Operation: 17+39=56 Exploring Operation: 16+39=55, Resulting Numbers: [17, 11, 55] Generated Node #0,1: 57:[17, 11, 55] Operation: 16+39=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[16, 11, 56], Operations: ['17+39=56'] Exploring Operation: 16+11=27, Resulting Numbers: [56, 27] Generated Node #0,0,0: 57:[56, 27] Operation: 16+11=27 Exploring Operation: 16-11=5, Resulting Numbers: [56, 5] Generated Node #0,0,1: 57:[56, 5] Operation: 16-11=5 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 57:[56, 5], Operations: ['17+39=56', '16-11=5'] Exploring Operation: 56+5=61, Resulting Numbers: [61] 61,57 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 57:[56, 27], Operations: ['17+39=56', '16+11=27'] Exploring Operation: 56-27=29, Resulting Numbers: [29] 29,57 unequal: No Solution Exploring Operation: 56+27=83, Resulting Numbers: [83] 83,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[17, 11, 55], Operations: ['16+39=55'] Exploring Operation: 55/11=5, Resulting Numbers: [17, 5] Generated Node #0,1,0: 57:[17, 5] Operation: 55/11=5 Exploring Operation: 17-11=6, Resulting Numbers: [55, 6] Generated Node #0,1,1: 57:[55, 6] Operation: 17-11=6 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 57:[17, 5], Operations: ['16+39=55', '55/11=5'] Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,57 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:[55, 6], Operations: ['16+39=55', '17-11=6'] Exploring Operation: 55-6=49, Resulting Numbers: [49] 49,57 unequal: No Solution Exploring Operation: 55+6=61, Resulting Numbers: [61] 61,57 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
[ 80, 49, 2, 18 ]
45
[ "2+18=20", "80/20=4", "49-4=45" ]
Current State: 45:[80, 49, 2, 18], Operations: [] Exploring Operation: 2+18=20, Resulting Numbers: [80, 49, 20] Generated Node #2: [80, 49, 20] from Operation: 2+18=20 Current State: 45:[80, 49, 20], Operations: ['2+18=20'] Exploring Operation: 80/20=4, Resulting Numbers: [49, 4] Generated Node #3: [49, 4] from Operation: 80/20=4 Current State: 45:[49, 4], Operations: ['2+18=20', '80/20=4'] Exploring Operation: 49-4=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[80, 49, 2, 18], Operations: [] Exploring Operation: 80-18=62, Resulting Numbers: [49, 2, 62] Generated Node #0,0: 45:[49, 2, 62] Operation: 80-18=62 Exploring Operation: 80/2=40, Resulting Numbers: [49, 18, 40] Generated Node #0,1: 45:[49, 18, 40] Operation: 80/2=40 Exploring Operation: 80-49=31, Resulting Numbers: [2, 18, 31] Generated Node #0,2: 45:[2, 18, 31] Operation: 80-49=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[49, 18, 40], Operations: ['80/2=40'] Exploring Operation: 18+40=58, Resulting Numbers: [49, 58] Generated Node #0,1,0: 45:[49, 58] Operation: 18+40=58 Exploring Operation: 49-40=9, Resulting Numbers: [18, 9] Generated Node #0,1,1: 45:[18, 9] Operation: 49-40=9 Exploring Operation: 40-18=22, Resulting Numbers: [49, 22] Generated Node #0,1,2: 45:[49, 22] Operation: 40-18=22 Moving to Node #0,1,1 Current State: 45:[18, 9], Operations: ['80/2=40', '49-40=9'] Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,45 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,45 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,45 unequal: No Solution Moving to Node #0,1,2 Current State: 45:[49, 22], Operations: ['80/2=40', '40-18=22'] Exploring Operation: 49+22=71, Resulting Numbers: [71] 71,45 unequal: No Solution Exploring Operation: 49*22=1078, Resulting Numbers: [1078] 1078,45 unequal: No Solution Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,45 unequal: No Solution Moving to Node #0,1,0 Current State: 45:[49, 58], Operations: ['80/2=40', '18+40=58'] Exploring Operation: 49*58=2842, Resulting Numbers: [2842] 2842,45 unequal: No Solution Exploring Operation: 58-49=9, Resulting Numbers: [9] 9,45 unequal: No Solution Exploring Operation: 49+58=107, Resulting Numbers: [107] 107,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 45:[2, 18, 31], Operations: ['80-49=31'] Exploring Operation: 31-18=13, Resulting Numbers: [2, 13] Generated Node #0,2,0: 45:[2, 13] Operation: 31-18=13 Exploring Operation: 18+31=49, Resulting Numbers: [2, 49] Generated Node #0,2,1: 45:[2, 49] Operation: 18+31=49 Exploring Operation: 18/2=9, Resulting Numbers: [31, 9] Generated Node #0,2,2: 45:[31, 9] Operation: 18/2=9 Moving to Node #0,2,0 Current State: 45:[2, 13], Operations: ['80-49=31', '31-18=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,45 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,45 unequal: No Solution Moving to Node #0,2,1 Current State: 45:[2, 49], Operations: ['80-49=31', '18+31=49'] Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,45 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,45 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,45 unequal: No Solution Moving to Node #0,2,2 Current State: 45:[31, 9], Operations: ['80-49=31', '18/2=9'] Exploring Operation: 31+9=40, Resulting Numbers: [40] 40,45 unequal: No Solution Exploring Operation: 31*9=279, Resulting Numbers: [279] 279,45 unequal: No Solution Exploring Operation: 31-9=22, Resulting Numbers: [22] 22,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[49, 2, 62], Operations: ['80-18=62'] Exploring Operation: 62/2=31, Resulting Numbers: [49, 31] Generated Node #0,0,0: 45:[49, 31] Operation: 62/2=31 Exploring Operation: 62-49=13, Resulting Numbers: [2, 13] Generated Node #0,0,1: 45:[2, 13] Operation: 62-49=13 Exploring Operation: 49-2=47, Resulting Numbers: [62, 47] Generated Node #0,0,2: 45:[62, 47] Operation: 49-2=47 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 45:[2, 13], Operations: ['80-18=62', '62-49=13'] Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 45:[49, 31], Operations: ['80-18=62', '62/2=31'] Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,45 unequal: No Solution Exploring Operation: 49+31=80, Resulting Numbers: [80] 80,45 unequal: No Solution Exploring Operation: 49*31=1519, Resulting Numbers: [1519] 1519,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 45:[62, 47], Operations: ['80-18=62', '49-2=47'] Exploring Operation: 62*47=2914, Resulting Numbers: [2914] 2914,45 unequal: No Solution Exploring Operation: 62-47=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 62+47=109, Resulting Numbers: [109] 109,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 4, 40, 53, 42 ]
98
[ "53-4=49", "42-40=2", "49*2=98" ]
Current State: 98:[4, 40, 53, 42], Operations: [] Exploring Operation: 53-4=49, Resulting Numbers: [40, 42, 49] Generated Node #2: [40, 42, 49] from Operation: 53-4=49 Current State: 98:[40, 42, 49], Operations: ['53-4=49'] Exploring Operation: 42-40=2, Resulting Numbers: [49, 2] Generated Node #3: [49, 2] from Operation: 42-40=2 Current State: 98:[49, 2], Operations: ['53-4=49', '42-40=2'] Exploring Operation: 49*2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[4, 40, 53, 42], Operations: [] Exploring Operation: 40+53=93, Resulting Numbers: [4, 42, 93] Generated Node #0,0: 98:[4, 42, 93] Operation: 40+53=93 Exploring Operation: 42-40=2, Resulting Numbers: [4, 53, 2] Generated Node #0,1: 98:[4, 53, 2] Operation: 42-40=2 Exploring Operation: 40/4=10, Resulting Numbers: [53, 42, 10] Generated Node #0,2: 98:[53, 42, 10] Operation: 40/4=10 Exploring Operation: 53-40=13, Resulting Numbers: [4, 42, 13] Generated Node #0,3: 98:[4, 42, 13] Operation: 53-40=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[4, 53, 2], Operations: ['42-40=2'] Exploring Operation: 53-4=49, Resulting Numbers: [2, 49] Generated Node #0,1,0: 98:[2, 49] Operation: 53-4=49 Exploring Operation: 4/2=2, Resulting Numbers: [53, 2] Generated Node #0,1,1: 98:[53, 2] Operation: 4/2=2 Exploring Operation: 53-2=51, Resulting Numbers: [4, 51] Generated Node #0,1,2: 98:[4, 51] Operation: 53-2=51 Exploring Operation: 4-2=2, Resulting Numbers: [53, 2] Generated Node #0,1,3: 98:[53, 2] Operation: 4-2=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[2, 49], Operations: ['42-40=2', '53-4=49'] Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[4, 40, 53, 42], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [4, 53, 2] Generated Node #0,1: 98:[4, 53, 2] Operation: 42-40=2 Moving to Node #0,1 Current State: 98:[4, 53, 2], Operations: ['42-40=2'] Exploring Operation: 53-4=49, Resulting Numbers: [2, 49] Generated Node #0,1,0: 98:[2, 49] Operation: 53-4=49 Moving to Node #0,1,0 Current State: 98:[2, 49], Operations: ['42-40=2', '53-4=49'] Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 41, 11, 77, 68 ]
39
[ "41-11=30", "77-68=9", "30+9=39" ]
Current State: 39:[41, 11, 77, 68], Operations: [] Exploring Operation: 41-11=30, Resulting Numbers: [77, 68, 30] Generated Node #2: [77, 68, 30] from Operation: 41-11=30 Current State: 39:[77, 68, 30], Operations: ['41-11=30'] Exploring Operation: 77-68=9, Resulting Numbers: [30, 9] Generated Node #3: [30, 9] from Operation: 77-68=9 Current State: 39:[30, 9], Operations: ['41-11=30', '77-68=9'] Exploring Operation: 30+9=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[41, 11, 77, 68], Operations: [] Exploring Operation: 77-41=36, Resulting Numbers: [11, 68, 36] Generated Node #0,0: 39:[11, 68, 36] Operation: 77-41=36 Exploring Operation: 77-68=9, Resulting Numbers: [41, 11, 9] Generated Node #0,1: 39:[41, 11, 9] Operation: 77-68=9 Moving to Node #0,1 Current State: 39:[41, 11, 9], Operations: ['77-68=9'] Exploring Operation: 41-9=32, Resulting Numbers: [11, 32] Generated Node #0,1,0: 39:[11, 32] Operation: 41-9=32 Exploring Operation: 11-9=2, Resulting Numbers: [41, 2] Generated Node #0,1,1: 39:[41, 2] Operation: 11-9=2 Moving to Node #0,0 Current State: 39:[11, 68, 36], Operations: ['77-41=36'] Exploring Operation: 68-36=32, Resulting Numbers: [11, 32] Generated Node #0,0,0: 39:[11, 32] Operation: 68-36=32 Exploring Operation: 68-11=57, Resulting Numbers: [36, 57] Generated Node #0,0,1: 39:[36, 57] Operation: 68-11=57 Moving to Node #0,1,1 Current State: 39:[41, 2], Operations: ['77-68=9', '11-9=2'] Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,39 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[41, 11, 77, 68], Operations: [] Exploring Operation: 77-68=9, Resulting Numbers: [41, 11, 9] Generated Node #0,1: 39:[41, 11, 9] Operation: 77-68=9 Moving to Node #0,1 Current State: 39:[41, 11, 9], Operations: ['77-68=9'] Exploring Operation: 11-9=2, Resulting Numbers: [41, 2] Generated Node #0,1,1: 39:[41, 2] Operation: 11-9=2 Moving to Node #0,1,1 Current State: 39:[41, 2], Operations: ['77-68=9', '11-9=2'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.989583
hs_2
sum_heuristic
[ 22, 84, 15, 67 ]
20
[ "84-22=62", "15+67=82", "82-62=20" ]
Current State: 20:[22, 84, 15, 67], Operations: [] Exploring Operation: 84-22=62, Resulting Numbers: [15, 67, 62] Generated Node #2: [15, 67, 62] from Operation: 84-22=62 Current State: 20:[15, 67, 62], Operations: ['84-22=62'] Exploring Operation: 15+67=82, Resulting Numbers: [62, 82] Generated Node #3: [62, 82] from Operation: 15+67=82 Current State: 20:[62, 82], Operations: ['84-22=62', '15+67=82'] Exploring Operation: 82-62=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[22, 84, 15, 67], Operations: [] Exploring Operation: 84-67=17, Resulting Numbers: [22, 15, 17] Generated Node #0,0: 20:[22, 15, 17] Operation: 84-67=17 Moving to Node #0,0 Current State: 20:[22, 15, 17], Operations: ['84-67=17'] Exploring Operation: 17-15=2, Resulting Numbers: [22, 2] Generated Node #0,0,0: 20:[22, 2] Operation: 17-15=2 Moving to Node #0,0,0 Current State: 20:[22, 2], Operations: ['84-67=17', '17-15=2'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[22, 84, 15, 67], Operations: [] Exploring Operation: 84-67=17, Resulting Numbers: [22, 15, 17] Generated Node #0,0: 20:[22, 15, 17] Operation: 84-67=17 Moving to Node #0,0 Current State: 20:[22, 15, 17], Operations: ['84-67=17'] Exploring Operation: 17-15=2, Resulting Numbers: [22, 2] Generated Node #0,0,0: 20:[22, 2] Operation: 17-15=2 Moving to Node #0,0,0 Current State: 20:[22, 2], Operations: ['84-67=17', '17-15=2'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 38, 84, 35, 8 ]
95
[ "38+84=122", "35-8=27", "122-27=95" ]
Current State: 95:[38, 84, 35, 8], Operations: [] Exploring Operation: 38+84=122, Resulting Numbers: [35, 8, 122] Generated Node #2: [35, 8, 122] from Operation: 38+84=122 Current State: 95:[35, 8, 122], Operations: ['38+84=122'] Exploring Operation: 35-8=27, Resulting Numbers: [122, 27] Generated Node #3: [122, 27] from Operation: 35-8=27 Current State: 95:[122, 27], Operations: ['38+84=122', '35-8=27'] Exploring Operation: 122-27=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[38, 84, 35, 8], Operations: [] Exploring Operation: 84+8=92, Resulting Numbers: [38, 35, 92] Generated Node #0,0: 95:[38, 35, 92] Operation: 84+8=92 Exploring Operation: 38-8=30, Resulting Numbers: [84, 35, 30] Generated Node #0,1: 95:[84, 35, 30] Operation: 38-8=30 Exploring Operation: 35-8=27, Resulting Numbers: [38, 84, 27] Generated Node #0,2: 95:[38, 84, 27] Operation: 35-8=27 Exploring Operation: 38+35=73, Resulting Numbers: [84, 8, 73] Generated Node #0,3: 95:[84, 8, 73] Operation: 38+35=73 Exploring Operation: 38-35=3, Resulting Numbers: [84, 8, 3] Generated Node #0,4: 95:[84, 8, 3] Operation: 38-35=3 Start Sub Search at level 1: Moving to Node #0,4 Current State: 95:[84, 8, 3], Operations: ['38-35=3'] Exploring Operation: 84+3=87, Resulting Numbers: [8, 87] Generated Node #0,4,0: 95:[8, 87] Operation: 84+3=87 Exploring Operation: 84/3=28, Resulting Numbers: [8, 28] Generated Node #0,4,1: 95:[8, 28] Operation: 84/3=28 Exploring Operation: 8-3=5, Resulting Numbers: [84, 5] Generated Node #0,4,2: 95:[84, 5] Operation: 8-3=5 Exploring Operation: 84+8=92, Resulting Numbers: [3, 92] Generated Node #0,4,3: 95:[3, 92] Operation: 84+8=92 Exploring Operation: 8*3=24, Resulting Numbers: [84, 24] Generated Node #0,4,4: 95:[84, 24] Operation: 8*3=24 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 95:[3, 92], Operations: ['38-35=3', '84+8=92'] Exploring Operation: 3*92=276, Resulting Numbers: [276] 276,95 unequal: No Solution Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,95 unequal: No Solution Exploring Operation: 3+92=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[38, 84, 35, 8], Operations: [] Exploring Operation: 38-35=3, Resulting Numbers: [84, 8, 3] Generated Node #0,4: 95:[84, 8, 3] Operation: 38-35=3 Moving to Node #0,4 Current State: 95:[84, 8, 3], Operations: ['38-35=3'] Exploring Operation: 84+8=92, Resulting Numbers: [3, 92] Generated Node #0,4,3: 95:[3, 92] Operation: 84+8=92 Moving to Node #0,4,3 Current State: 95:[3, 92], Operations: ['38-35=3', '84+8=92'] Exploring Operation: 3+92=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 50, 87, 31, 49 ]
57
[ "50+87=137", "31+49=80", "137-80=57" ]
Current State: 57:[50, 87, 31, 49], Operations: [] Exploring Operation: 50+87=137, Resulting Numbers: [31, 49, 137] Generated Node #2: [31, 49, 137] from Operation: 50+87=137 Current State: 57:[31, 49, 137], Operations: ['50+87=137'] Exploring Operation: 31+49=80, Resulting Numbers: [137, 80] Generated Node #3: [137, 80] from Operation: 31+49=80 Current State: 57:[137, 80], Operations: ['50+87=137', '31+49=80'] Exploring Operation: 137-80=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[50, 87, 31, 49], Operations: [] Exploring Operation: 87-31=56, Resulting Numbers: [50, 49, 56] Generated Node #0,0: 57:[50, 49, 56] Operation: 87-31=56 Exploring Operation: 87-50=37, Resulting Numbers: [31, 49, 37] Generated Node #0,1: 57:[31, 49, 37] Operation: 87-50=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[50, 49, 56], Operations: ['87-31=56'] Exploring Operation: 50-49=1, Resulting Numbers: [56, 1] Generated Node #0,0,0: 57:[56, 1] Operation: 50-49=1 Exploring Operation: 56-50=6, Resulting Numbers: [49, 6] Generated Node #0,0,1: 57:[49, 6] Operation: 56-50=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 57:[56, 1], Operations: ['87-31=56', '50-49=1'] Exploring Operation: 56*1=56, Resulting Numbers: [56] 56,57 unequal: No Solution Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[50, 87, 31, 49], Operations: [] Exploring Operation: 87-31=56, Resulting Numbers: [50, 49, 56] Generated Node #0,0: 57:[50, 49, 56] Operation: 87-31=56 Moving to Node #0,0 Current State: 57:[50, 49, 56], Operations: ['87-31=56'] Exploring Operation: 50-49=1, Resulting Numbers: [56, 1] Generated Node #0,0,0: 57:[56, 1] Operation: 50-49=1 Moving to Node #0,0,0 Current State: 57:[56, 1], Operations: ['87-31=56', '50-49=1'] Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 49, 49, 99, 18 ]
17
[ "49+49=98", "99-18=81", "98-81=17" ]
Current State: 17:[49, 49, 99, 18], Operations: [] Exploring Operation: 49+49=98, Resulting Numbers: [99, 18, 98] Generated Node #2: [99, 18, 98] from Operation: 49+49=98 Current State: 17:[99, 18, 98], Operations: ['49+49=98'] Exploring Operation: 99-18=81, Resulting Numbers: [98, 81] Generated Node #3: [98, 81] from Operation: 99-18=81 Current State: 17:[98, 81], Operations: ['49+49=98', '99-18=81'] Exploring Operation: 98-81=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[49, 49, 99, 18], Operations: [] Exploring Operation: 99-49=50, Resulting Numbers: [49, 18, 50] Generated Node #0,0: 17:[49, 18, 50] Operation: 99-49=50 Exploring Operation: 49/49=1, Resulting Numbers: [99, 18, 1] Generated Node #0,1: 17:[99, 18, 1] Operation: 49/49=1 Exploring Operation: 99-49=50, Resulting Numbers: [49, 18, 50] Generated Node #0,2: 17:[49, 18, 50] Operation: 99-49=50 Moving to Node #0,0 Current State: 17:[49, 18, 50], Operations: ['99-49=50'] Exploring Operation: 50-18=32, Resulting Numbers: [49, 32] Generated Node #0,0,0: 17:[49, 32] Operation: 50-18=32 Exploring Operation: 49-18=31, Resulting Numbers: [50, 31] Generated Node #0,0,1: 17:[50, 31] Operation: 49-18=31 Exploring Operation: 50-49=1, Resulting Numbers: [18, 1] Generated Node #0,0,2: 17:[18, 1] Operation: 50-49=1 Moving to Node #0,2 Current State: 17:[49, 18, 50], Operations: ['99-49=50'] Exploring Operation: 49-18=31, Resulting Numbers: [50, 31] Generated Node #0,2,0: 17:[50, 31] Operation: 49-18=31 Exploring Operation: 50-18=32, Resulting Numbers: [49, 32] Generated Node #0,2,1: 17:[49, 32] Operation: 50-18=32 Exploring Operation: 50-49=1, Resulting Numbers: [18, 1] Generated Node #0,2,2: 17:[18, 1] Operation: 50-49=1 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 17:[18, 1], Operations: ['99-49=50', '50-49=1'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[49, 49, 99, 18], Operations: [] Exploring Operation: 99-49=50, Resulting Numbers: [49, 18, 50] Generated Node #0,2: 17:[49, 18, 50] Operation: 99-49=50 Moving to Node #0,2 Current State: 17:[49, 18, 50], Operations: ['99-49=50'] Exploring Operation: 50-49=1, Resulting Numbers: [18, 1] Generated Node #0,2,2: 17:[18, 1] Operation: 50-49=1 Moving to Node #0,2,2 Current State: 17:[18, 1], Operations: ['99-49=50', '50-49=1'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 24, 31, 42, 58 ]
93
[ "31-24=7", "42+58=100", "100-7=93" ]
Current State: 93:[24, 31, 42, 58], Operations: [] Exploring Operation: 31-24=7, Resulting Numbers: [42, 58, 7] Generated Node #2: [42, 58, 7] from Operation: 31-24=7 Current State: 93:[42, 58, 7], Operations: ['31-24=7'] Exploring Operation: 42+58=100, Resulting Numbers: [7, 100] Generated Node #3: [7, 100] from Operation: 42+58=100 Current State: 93:[7, 100], Operations: ['31-24=7', '42+58=100'] Exploring Operation: 100-7=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[24, 31, 42, 58], Operations: [] Exploring Operation: 24+58=82, Resulting Numbers: [31, 42, 82] Generated Node #0,0: 93:[31, 42, 82] Operation: 24+58=82 Exploring Operation: 58-42=16, Resulting Numbers: [24, 31, 16] Generated Node #0,1: 93:[24, 31, 16] Operation: 58-42=16 Exploring Operation: 31+58=89, Resulting Numbers: [24, 42, 89] Generated Node #0,2: 93:[24, 42, 89] Operation: 31+58=89 Exploring Operation: 58-24=34, Resulting Numbers: [31, 42, 34] Generated Node #0,3: 93:[31, 42, 34] Operation: 58-24=34 Exploring Operation: 42+58=100, Resulting Numbers: [24, 31, 100] Generated Node #0,4: 93:[24, 31, 100] Operation: 42+58=100 Start Sub Search at level 1: Moving to Node #0,3 Current State: 93:[31, 42, 34], Operations: ['58-24=34'] Exploring Operation: 34-31=3, Resulting Numbers: [42, 3] Generated Node #0,3,0: 93:[42, 3] Operation: 34-31=3 Exploring Operation: 42+34=76, Resulting Numbers: [31, 76] Generated Node #0,3,1: 93:[31, 76] Operation: 42+34=76 Exploring Operation: 42-34=8, Resulting Numbers: [31, 8] Generated Node #0,3,2: 93:[31, 8] Operation: 42-34=8 Exploring Operation: 31+42=73, Resulting Numbers: [34, 73] Generated Node #0,3,3: 93:[34, 73] Operation: 31+42=73 Exploring Operation: 42-31=11, Resulting Numbers: [34, 11] Generated Node #0,3,4: 93:[34, 11] Operation: 42-31=11 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 93:[31, 8], Operations: ['58-24=34', '42-34=8'] Exploring Operation: 31*8=248, Resulting Numbers: [248] 248,93 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,93 unequal: No Solution Exploring Operation: 31+8=39, Resulting Numbers: [39] 39,93 unequal: No Solution No 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: 93:[42, 3], Operations: ['58-24=34', '34-31=3'] Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,93 unequal: No Solution Exploring Operation: 42*3=126, Resulting Numbers: [126] 126,93 unequal: No Solution Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,93 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 93:[34, 11], Operations: ['58-24=34', '42-31=11'] Exploring Operation: 34+11=45, Resulting Numbers: [45] 45,93 unequal: No Solution Exploring Operation: 34-11=23, Resulting Numbers: [23] 23,93 unequal: No Solution Exploring Operation: 34*11=374, Resulting Numbers: [374] 374,93 unequal: No Solution No 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: 93:[31, 76], Operations: ['58-24=34', '42+34=76'] Exploring Operation: 31+76=107, Resulting Numbers: [107] 107,93 unequal: No Solution Exploring Operation: 31*76=2356, Resulting Numbers: [2356] 2356,93 unequal: No Solution Exploring Operation: 76-31=45, Resulting Numbers: [45] 45,93 unequal: No Solution No 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: 93:[34, 73], Operations: ['58-24=34', '31+42=73'] Exploring Operation: 34*73=2482, Resulting Numbers: [2482] 2482,93 unequal: No Solution Exploring Operation: 73-34=39, Resulting Numbers: [39] 39,93 unequal: No Solution Exploring Operation: 34+73=107, Resulting Numbers: [107] 107,93 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: 93:[24, 31, 100], Operations: ['42+58=100'] Exploring Operation: 31-24=7, Resulting Numbers: [100, 7] Generated Node #0,4,0: 93:[100, 7] Operation: 31-24=7 Exploring Operation: 100-24=76, Resulting Numbers: [31, 76] Generated Node #0,4,1: 93:[31, 76] Operation: 100-24=76 Exploring Operation: 100-31=69, Resulting Numbers: [24, 69] Generated Node #0,4,2: 93:[24, 69] Operation: 100-31=69 Exploring Operation: 24+100=124, Resulting Numbers: [31, 124] Generated Node #0,4,3: 93:[31, 124] Operation: 24+100=124 Exploring Operation: 24+31=55, Resulting Numbers: [100, 55] Generated Node #0,4,4: 93:[100, 55] Operation: 24+31=55 Moving to Node #0,4,0 Current State: 93:[100, 7], Operations: ['42+58=100', '31-24=7'] Exploring Operation: 100*7=700, Resulting Numbers: [700] 700,93 unequal: No Solution Exploring Operation: 100+7=107, Resulting Numbers: [107] 107,93 unequal: No Solution Exploring Operation: 100-7=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[24, 31, 42, 58], Operations: [] Exploring Operation: 42+58=100, Resulting Numbers: [24, 31, 100] Generated Node #0,4: 93:[24, 31, 100] Operation: 42+58=100 Moving to Node #0,4 Current State: 93:[24, 31, 100], Operations: ['42+58=100'] Exploring Operation: 31-24=7, Resulting Numbers: [100, 7] Generated Node #0,4,0: 93:[100, 7] Operation: 31-24=7 Moving to Node #0,4,0 Current State: 93:[100, 7], Operations: ['42+58=100', '31-24=7'] Exploring Operation: 100-7=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 14, 23, 95, 7 ]
74
[ "14/7=2", "95-23=72", "2+72=74" ]
Current State: 74:[14, 23, 95, 7], Operations: [] Exploring Operation: 14/7=2, Resulting Numbers: [23, 95, 2] Generated Node #2: [23, 95, 2] from Operation: 14/7=2 Current State: 74:[23, 95, 2], Operations: ['14/7=2'] Exploring Operation: 95-23=72, Resulting Numbers: [2, 72] Generated Node #3: [2, 72] from Operation: 95-23=72 Current State: 74:[2, 72], Operations: ['14/7=2', '95-23=72'] Exploring Operation: 2+72=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[14, 23, 95, 7], Operations: [] Exploring Operation: 95-14=81, Resulting Numbers: [23, 7, 81] Generated Node #0,0: 74:[23, 7, 81] Operation: 95-14=81 Exploring Operation: 14+23=37, Resulting Numbers: [95, 7, 37] Generated Node #0,1: 74:[95, 7, 37] Operation: 14+23=37 Exploring Operation: 23-14=9, Resulting Numbers: [95, 7, 9] Generated Node #0,2: 74:[95, 7, 9] Operation: 23-14=9 Exploring Operation: 95-23=72, Resulting Numbers: [14, 7, 72] Generated Node #0,3: 74:[14, 7, 72] Operation: 95-23=72 Start Sub Search at level 1: Moving to Node #0,3 Current State: 74:[14, 7, 72], Operations: ['95-23=72'] Exploring Operation: 7+72=79, Resulting Numbers: [14, 79] Generated Node #0,3,0: 74:[14, 79] Operation: 7+72=79 Exploring Operation: 14/7=2, Resulting Numbers: [72, 2] Generated Node #0,3,1: 74:[72, 2] Operation: 14/7=2 Exploring Operation: 14+72=86, Resulting Numbers: [7, 86] Generated Node #0,3,2: 74:[7, 86] Operation: 14+72=86 Exploring Operation: 14-7=7, Resulting Numbers: [72, 7] Generated Node #0,3,3: 74:[72, 7] Operation: 14-7=7 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 74:[72, 2], Operations: ['95-23=72', '14/7=2'] Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,74 unequal: No Solution Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 72*2=144, Resulting Numbers: [144] 144,74 unequal: No Solution Exploring Operation: 72+2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[14, 23, 95, 7], Operations: [] Exploring Operation: 95-23=72, Resulting Numbers: [14, 7, 72] Generated Node #0,3: 74:[14, 7, 72] Operation: 95-23=72 Moving to Node #0,3 Current State: 74:[14, 7, 72], Operations: ['95-23=72'] Exploring Operation: 14/7=2, Resulting Numbers: [72, 2] Generated Node #0,3,1: 74:[72, 2] Operation: 14/7=2 Moving to Node #0,3,1 Current State: 74:[72, 2], Operations: ['95-23=72', '14/7=2'] Exploring Operation: 72+2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 19, 23, 81, 76 ]
20
[ "23-19=4", "81-76=5", "4*5=20" ]
Current State: 20:[19, 23, 81, 76], Operations: [] Exploring Operation: 23-19=4, Resulting Numbers: [81, 76, 4] Generated Node #2: [81, 76, 4] from Operation: 23-19=4 Current State: 20:[81, 76, 4], Operations: ['23-19=4'] Exploring Operation: 81-76=5, Resulting Numbers: [4, 5] Generated Node #3: [4, 5] from Operation: 81-76=5 Current State: 20:[4, 5], Operations: ['23-19=4', '81-76=5'] Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[19, 23, 81, 76], Operations: [] Exploring Operation: 81-76=5, Resulting Numbers: [19, 23, 5] Generated Node #0,0: 20:[19, 23, 5] Operation: 81-76=5 Exploring Operation: 76/19=4, Resulting Numbers: [23, 81, 4] Generated Node #0,1: 20:[23, 81, 4] Operation: 76/19=4 Exploring Operation: 81-23=58, Resulting Numbers: [19, 76, 58] Generated Node #0,2: 20:[19, 76, 58] Operation: 81-23=58 Moving to Node #0,0 Current State: 20:[19, 23, 5], Operations: ['81-76=5'] Exploring Operation: 19+5=24, Resulting Numbers: [23, 24] Generated Node #0,0,0: 20:[23, 24] Operation: 19+5=24 Exploring Operation: 23-5=18, Resulting Numbers: [19, 18] Generated Node #0,0,1: 20:[19, 18] Operation: 23-5=18 Exploring Operation: 23-19=4, Resulting Numbers: [5, 4] Generated Node #0,0,2: 20:[5, 4] Operation: 23-19=4 Moving to Node #0,1 Current State: 20:[23, 81, 4], Operations: ['76/19=4'] Exploring Operation: 81-23=58, Resulting Numbers: [4, 58] Generated Node #0,1,0: 20:[4, 58] Operation: 81-23=58 Exploring Operation: 23-4=19, Resulting Numbers: [81, 19] Generated Node #0,1,1: 20:[81, 19] Operation: 23-4=19 Exploring Operation: 81-4=77, Resulting Numbers: [23, 77] Generated Node #0,1,2: 20:[23, 77] Operation: 81-4=77 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 20:[4, 58], Operations: ['76/19=4', '81-23=58'] Exploring Operation: 4+58=62, Resulting Numbers: [62] 62,20 unequal: No Solution Exploring Operation: 4*58=232, Resulting Numbers: [232] 232,20 unequal: No Solution Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 20:[23, 77], Operations: ['76/19=4', '81-4=77'] Exploring Operation: 23+77=100, Resulting Numbers: [100] 100,20 unequal: No Solution Exploring Operation: 23*77=1771, Resulting Numbers: [1771] 1771,20 unequal: No Solution Exploring Operation: 77-23=54, Resulting Numbers: [54] 54,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[81, 19], Operations: ['76/19=4', '23-4=19'] Exploring Operation: 81*19=1539, Resulting Numbers: [1539] 1539,20 unequal: No Solution Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,20 unequal: No Solution Exploring Operation: 81+19=100, Resulting Numbers: [100] 100,20 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: 20:[19, 76, 58], Operations: ['81-23=58'] Exploring Operation: 76/19=4, Resulting Numbers: [58, 4] Generated Node #0,2,0: 20:[58, 4] Operation: 76/19=4 Exploring Operation: 76-19=57, Resulting Numbers: [58, 57] Generated Node #0,2,1: 20:[58, 57] Operation: 76-19=57 Exploring Operation: 76-58=18, Resulting Numbers: [19, 18] Generated Node #0,2,2: 20:[19, 18] Operation: 76-58=18 Moving to Node #0,0,2 Current State: 20:[5, 4], Operations: ['81-76=5', '23-19=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[19, 23, 81, 76], Operations: [] Exploring Operation: 81-76=5, Resulting Numbers: [19, 23, 5] Generated Node #0,0: 20:[19, 23, 5] Operation: 81-76=5 Moving to Node #0,0 Current State: 20:[19, 23, 5], Operations: ['81-76=5'] Exploring Operation: 23-19=4, Resulting Numbers: [5, 4] Generated Node #0,0,2: 20:[5, 4] Operation: 23-19=4 Moving to Node #0,0,2 Current State: 20:[5, 4], Operations: ['81-76=5', '23-19=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.977431
hs_3
sum_heuristic
[ 7, 61, 69, 89 ]
89
[ "7+61=68", "69-68=1", "89*1=89" ]
Current State: 89:[7, 61, 69, 89], Operations: [] Exploring Operation: 7+61=68, Resulting Numbers: [69, 89, 68] Generated Node #2: [69, 89, 68] from Operation: 7+61=68 Current State: 89:[69, 89, 68], Operations: ['7+61=68'] Exploring Operation: 69-68=1, Resulting Numbers: [89, 1] Generated Node #3: [89, 1] from Operation: 69-68=1 Current State: 89:[89, 1], Operations: ['7+61=68', '69-68=1'] Exploring Operation: 89*1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[7, 61, 69, 89], Operations: [] Exploring Operation: 7+61=68, Resulting Numbers: [69, 89, 68] Generated Node #0,0: 89:[69, 89, 68] Operation: 7+61=68 Exploring Operation: 69-7=62, Resulting Numbers: [61, 89, 62] Generated Node #0,1: 89:[61, 89, 62] Operation: 69-7=62 Exploring Operation: 61-7=54, Resulting Numbers: [69, 89, 54] Generated Node #0,2: 89:[69, 89, 54] Operation: 61-7=54 Exploring Operation: 7+69=76, Resulting Numbers: [61, 89, 76] Generated Node #0,3: 89:[61, 89, 76] Operation: 7+69=76 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[69, 89, 68], Operations: ['7+61=68'] Exploring Operation: 69+68=137, Resulting Numbers: [89, 137] Generated Node #0,0,0: 89:[89, 137] Operation: 69+68=137 Exploring Operation: 89-68=21, Resulting Numbers: [69, 21] Generated Node #0,0,1: 89:[69, 21] Operation: 89-68=21 Exploring Operation: 69-68=1, Resulting Numbers: [89, 1] Generated Node #0,0,2: 89:[89, 1] Operation: 69-68=1 Exploring Operation: 89+68=157, Resulting Numbers: [69, 157] Generated Node #0,0,3: 89:[69, 157] Operation: 89+68=157 Moving to Node #0,0,0 Current State: 89:[89, 137], Operations: ['7+61=68', '69+68=137'] Exploring Operation: 89*137=12193, Resulting Numbers: [12193] 12193,89 unequal: No Solution Exploring Operation: 137-89=48, Resulting Numbers: [48] 48,89 unequal: No Solution Exploring Operation: 89+137=226, Resulting Numbers: [226] 226,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[89, 1], Operations: ['7+61=68', '69-68=1'] Exploring Operation: 89-1=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 89+1=90, Resulting Numbers: [90] 90,89 unequal: No Solution Exploring Operation: 89/1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[7, 61, 69, 89], Operations: [] Exploring Operation: 7+61=68, Resulting Numbers: [69, 89, 68] Generated Node #0,0: 89:[69, 89, 68] Operation: 7+61=68 Moving to Node #0,0 Current State: 89:[69, 89, 68], Operations: ['7+61=68'] Exploring Operation: 69-68=1, Resulting Numbers: [89, 1] Generated Node #0,0,2: 89:[89, 1] Operation: 69-68=1 Moving to Node #0,0,2 Current State: 89:[89, 1], Operations: ['7+61=68', '69-68=1'] Exploring Operation: 89/1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 18, 63, 23, 5 ]
26
[ "63-23=40", "40/5=8", "18+8=26" ]
Current State: 26:[18, 63, 23, 5], Operations: [] Exploring Operation: 63-23=40, Resulting Numbers: [18, 5, 40] Generated Node #2: [18, 5, 40] from Operation: 63-23=40 Current State: 26:[18, 5, 40], Operations: ['63-23=40'] Exploring Operation: 40/5=8, Resulting Numbers: [18, 8] Generated Node #3: [18, 8] from Operation: 40/5=8 Current State: 26:[18, 8], Operations: ['63-23=40', '40/5=8'] Exploring Operation: 18+8=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[18, 63, 23, 5], Operations: [] Exploring Operation: 63-23=40, Resulting Numbers: [18, 5, 40] Generated Node #0,0: 26:[18, 5, 40] Operation: 63-23=40 Moving to Node #0,0 Current State: 26:[18, 5, 40], Operations: ['63-23=40'] Exploring Operation: 40-18=22, Resulting Numbers: [5, 22] Generated Node #0,0,0: 26:[5, 22] Operation: 40-18=22 Moving to Node #0,0,0 Current State: 26:[5, 22], Operations: ['63-23=40', '40-18=22'] Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,26 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 30, 22, 3, 26 ]
94
[ "30*3=90", "26-22=4", "90+4=94" ]
Current State: 94:[30, 22, 3, 26], Operations: [] Exploring Operation: 30*3=90, Resulting Numbers: [22, 26, 90] Generated Node #2: [22, 26, 90] from Operation: 30*3=90 Current State: 94:[22, 26, 90], Operations: ['30*3=90'] Exploring Operation: 26-22=4, Resulting Numbers: [90, 4] Generated Node #3: [90, 4] from Operation: 26-22=4 Current State: 94:[90, 4], Operations: ['30*3=90', '26-22=4'] Exploring Operation: 90+4=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[30, 22, 3, 26], Operations: [] Exploring Operation: 22+26=48, Resulting Numbers: [30, 3, 48] Generated Node #0,0: 94:[30, 3, 48] Operation: 22+26=48 Exploring Operation: 26-22=4, Resulting Numbers: [30, 3, 4] Generated Node #0,1: 94:[30, 3, 4] Operation: 26-22=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[30, 3, 48], Operations: ['22+26=48'] Exploring Operation: 30/3=10, Resulting Numbers: [48, 10] Generated Node #0,0,0: 94:[48, 10] Operation: 30/3=10 Exploring Operation: 30*3=90, Resulting Numbers: [48, 90] Generated Node #0,0,1: 94:[48, 90] Operation: 30*3=90 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 94:[48, 90], Operations: ['22+26=48', '30*3=90'] Exploring Operation: 48+90=138, Resulting Numbers: [138] 138,94 unequal: No Solution Exploring Operation: 90-48=42, Resulting Numbers: [42] 42,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 94:[48, 10], Operations: ['22+26=48', '30/3=10'] Exploring Operation: 48+10=58, Resulting Numbers: [58] 58,94 unequal: No Solution Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[30, 3, 4], Operations: ['26-22=4'] Exploring Operation: 30*3=90, Resulting Numbers: [4, 90] Generated Node #0,1,0: 94:[4, 90] Operation: 30*3=90 Exploring Operation: 30/3=10, Resulting Numbers: [4, 10] Generated Node #0,1,1: 94:[4, 10] Operation: 30/3=10 Moving to Node #0,1,0 Current State: 94:[4, 90], Operations: ['26-22=4', '30*3=90'] Exploring Operation: 90-4=86, Resulting Numbers: [86] 86,94 unequal: No Solution Exploring Operation: 4+90=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[30, 22, 3, 26], Operations: [] Exploring Operation: 26-22=4, Resulting Numbers: [30, 3, 4] Generated Node #0,1: 94:[30, 3, 4] Operation: 26-22=4 Moving to Node #0,1 Current State: 94:[30, 3, 4], Operations: ['26-22=4'] Exploring Operation: 30*3=90, Resulting Numbers: [4, 90] Generated Node #0,1,0: 94:[4, 90] Operation: 30*3=90 Moving to Node #0,1,0 Current State: 94:[4, 90], Operations: ['26-22=4', '30*3=90'] Exploring Operation: 4+90=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 69, 63, 7, 55 ]
97
[ "69-63=6", "7*6=42", "55+42=97" ]
Current State: 97:[69, 63, 7, 55], Operations: [] Exploring Operation: 69-63=6, Resulting Numbers: [7, 55, 6] Generated Node #2: [7, 55, 6] from Operation: 69-63=6 Current State: 97:[7, 55, 6], Operations: ['69-63=6'] Exploring Operation: 7*6=42, Resulting Numbers: [55, 42] Generated Node #3: [55, 42] from Operation: 7*6=42 Current State: 97:[55, 42], Operations: ['69-63=6', '7*6=42'] Exploring Operation: 55+42=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[69, 63, 7, 55], Operations: [] Exploring Operation: 69+7=76, Resulting Numbers: [63, 55, 76] Generated Node #0,0: 97:[63, 55, 76] Operation: 69+7=76 Exploring Operation: 63+7=70, Resulting Numbers: [69, 55, 70] Generated Node #0,1: 97:[69, 55, 70] Operation: 63+7=70 Exploring Operation: 69-7=62, Resulting Numbers: [63, 55, 62] Generated Node #0,2: 97:[63, 55, 62] Operation: 69-7=62 Exploring Operation: 7+55=62, Resulting Numbers: [69, 63, 62] Generated Node #0,3: 97:[69, 63, 62] Operation: 7+55=62 Moving to Node #0,0 Current State: 97:[63, 55, 76], Operations: ['69+7=76'] Exploring Operation: 63+55=118, Resulting Numbers: [76, 118] Generated Node #0,0,0: 97:[76, 118] Operation: 63+55=118 Exploring Operation: 63-55=8, Resulting Numbers: [76, 8] Generated Node #0,0,1: 97:[76, 8] Operation: 63-55=8 Exploring Operation: 63+76=139, Resulting Numbers: [55, 139] Generated Node #0,0,2: 97:[55, 139] Operation: 63+76=139 Exploring Operation: 55+76=131, Resulting Numbers: [63, 131] Generated Node #0,0,3: 97:[63, 131] Operation: 55+76=131 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[76, 118], Operations: ['69+7=76', '63+55=118'] Exploring Operation: 118-76=42, Resulting Numbers: [42] 42,97 unequal: No Solution Exploring Operation: 76+118=194, Resulting Numbers: [194] 194,97 unequal: No Solution Exploring Operation: 76*118=8968, Resulting Numbers: [8968] 8968,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[63, 131], Operations: ['69+7=76', '55+76=131'] Exploring Operation: 63+131=194, Resulting Numbers: [194] 194,97 unequal: No Solution Exploring Operation: 63*131=8253, Resulting Numbers: [8253] 8253,97 unequal: No Solution Exploring Operation: 131-63=68, Resulting Numbers: [68] 68,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[55, 139], Operations: ['69+7=76', '63+76=139'] Exploring Operation: 55+139=194, Resulting Numbers: [194] 194,97 unequal: No Solution Exploring Operation: 139-55=84, Resulting Numbers: [84] 84,97 unequal: No Solution Exploring Operation: 55*139=7645, Resulting Numbers: [7645] 7645,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[76, 8], Operations: ['69+7=76', '63-55=8'] Exploring Operation: 76*8=608, Resulting Numbers: [608] 608,97 unequal: No Solution Exploring Operation: 76+8=84, Resulting Numbers: [84] 84,97 unequal: No Solution Exploring Operation: 76-8=68, Resulting Numbers: [68] 68,97 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: 97:[69, 63, 62], Operations: ['7+55=62'] Exploring Operation: 69-62=7, Resulting Numbers: [63, 7] Generated Node #0,3,0: 97:[63, 7] Operation: 69-62=7 Exploring Operation: 69+62=131, Resulting Numbers: [63, 131] Generated Node #0,3,1: 97:[63, 131] Operation: 69+62=131 Exploring Operation: 63+62=125, Resulting Numbers: [69, 125] Generated Node #0,3,2: 97:[69, 125] Operation: 63+62=125 Exploring Operation: 69+63=132, Resulting Numbers: [62, 132] Generated Node #0,3,3: 97:[62, 132] Operation: 69+63=132 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 97:[69, 125], Operations: ['7+55=62', '63+62=125'] Exploring Operation: 69+125=194, Resulting Numbers: [194] 194,97 unequal: No Solution Exploring Operation: 125-69=56, Resulting Numbers: [56] 56,97 unequal: No Solution Exploring Operation: 69*125=8625, Resulting Numbers: [8625] 8625,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 97:[63, 131], Operations: ['7+55=62', '69+62=131'] Exploring Operation: 131-63=68, Resulting Numbers: [68] 68,97 unequal: No Solution Exploring Operation: 63*131=8253, Resulting Numbers: [8253] 8253,97 unequal: No Solution Exploring Operation: 63+131=194, Resulting Numbers: [194] 194,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 97:[62, 132], Operations: ['7+55=62', '69+63=132'] Exploring Operation: 62+132=194, Resulting Numbers: [194] 194,97 unequal: No Solution Exploring Operation: 132-62=70, Resulting Numbers: [70] 70,97 unequal: No Solution Exploring Operation: 62*132=8184, Resulting Numbers: [8184] 8184,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 97:[63, 7], Operations: ['7+55=62', '69-62=7'] Exploring Operation: 63+7=70, Resulting Numbers: [70] 70,97 unequal: No Solution Exploring Operation: 63-7=56, Resulting Numbers: [56] 56,97 unequal: No Solution Exploring Operation: 63*7=441, Resulting Numbers: [441] 441,97 unequal: No Solution Exploring Operation: 63/7=9, Resulting Numbers: [9] 9,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 97:[69, 55, 70], Operations: ['63+7=70'] Exploring Operation: 69+55=124, Resulting Numbers: [70, 124] Generated Node #0,1,0: 97:[70, 124] Operation: 69+55=124 Exploring Operation: 69-55=14, Resulting Numbers: [70, 14] Generated Node #0,1,1: 97:[70, 14] Operation: 69-55=14 Exploring Operation: 55+70=125, Resulting Numbers: [69, 125] Generated Node #0,1,2: 97:[69, 125] Operation: 55+70=125 Exploring Operation: 69+70=139, Resulting Numbers: [55, 139] Generated Node #0,1,3: 97:[55, 139] Operation: 69+70=139 Moving to Node #0,2 Current State: 97:[63, 55, 62], Operations: ['69-7=62'] Exploring Operation: 55+62=117, Resulting Numbers: [63, 117] Generated Node #0,2,0: 97:[63, 117] Operation: 55+62=117 Exploring Operation: 63-55=8, Resulting Numbers: [62, 8] Generated Node #0,2,1: 97:[62, 8] Operation: 63-55=8 Exploring Operation: 63+62=125, Resulting Numbers: [55, 125] Generated Node #0,2,2: 97:[55, 125] Operation: 63+62=125 Exploring Operation: 63+55=118, Resulting Numbers: [62, 118] Generated Node #0,2,3: 97:[62, 118] Operation: 63+55=118 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 97:[63, 117], Operations: ['69-7=62', '55+62=117'] Exploring Operation: 63+117=180, Resulting Numbers: [180] 180,97 unequal: No Solution Exploring Operation: 117-63=54, Resulting Numbers: [54] 54,97 unequal: No Solution Exploring Operation: 63*117=7371, Resulting Numbers: [7371] 7371,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 97:[62, 118], Operations: ['69-7=62', '63+55=118'] Exploring Operation: 62*118=7316, Resulting Numbers: [7316] 7316,97 unequal: No Solution Exploring Operation: 62+118=180, Resulting Numbers: [180] 180,97 unequal: No Solution Exploring Operation: 118-62=56, Resulting Numbers: [56] 56,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 97:[55, 125], Operations: ['69-7=62', '63+62=125'] Exploring Operation: 55*125=6875, Resulting Numbers: [6875] 6875,97 unequal: No Solution Exploring Operation: 125-55=70, Resulting Numbers: [70] 70,97 unequal: No Solution Exploring Operation: 55+125=180, Resulting Numbers: [180] 180,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 97:[62, 8], Operations: ['69-7=62', '63-55=8'] Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,97 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,97 unequal: No Solution Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,97 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: 97:[70, 124], Operations: ['63+7=70', '69+55=124'] Exploring Operation: 70+124=194, Resulting Numbers: [194] 194,97 unequal: No Solution Exploring Operation: 70*124=8680, Resulting Numbers: [8680] 8680,97 unequal: No Solution Exploring Operation: 124-70=54, Resulting Numbers: [54] 54,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[69, 125], Operations: ['63+7=70', '55+70=125'] Exploring Operation: 69*125=8625, Resulting Numbers: [8625] 8625,97 unequal: No Solution Exploring Operation: 125-69=56, Resulting Numbers: [56] 56,97 unequal: No Solution Exploring Operation: 69+125=194, Resulting Numbers: [194] 194,97 unequal: No Solution Moving to Node #0,1,3 Current State: 97:[55, 139], Operations: ['63+7=70', '69+70=139'] Exploring Operation: 55+139=194, Resulting Numbers: [194] 194,97 unequal: No Solution Exploring Operation: 55*139=7645, Resulting Numbers: [7645] 7645,97 unequal: No Solution Exploring Operation: 139-55=84, Resulting Numbers: [84] 84,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[70, 14], Operations: ['63+7=70', '69-55=14'] Exploring Operation: 70+14=84, Resulting Numbers: [84] 84,97 unequal: No Solution Exploring Operation: 70*14=980, Resulting Numbers: [980] 980,97 unequal: No Solution Exploring Operation: 70/14=5, Resulting Numbers: [5] 5,97 unequal: No Solution Exploring Operation: 70-14=56, Resulting Numbers: [56] 56,97 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 69, 56, 5, 1 ]
17
[ "69-56=13", "5-1=4", "13+4=17" ]
Current State: 17:[69, 56, 5, 1], Operations: [] Exploring Operation: 69-56=13, Resulting Numbers: [5, 1, 13] Generated Node #2: [5, 1, 13] from Operation: 69-56=13 Current State: 17:[5, 1, 13], Operations: ['69-56=13'] Exploring Operation: 5-1=4, Resulting Numbers: [13, 4] Generated Node #3: [13, 4] from Operation: 5-1=4 Current State: 17:[13, 4], Operations: ['69-56=13', '5-1=4'] Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[69, 56, 5, 1], Operations: [] Exploring Operation: 69-56=13, Resulting Numbers: [5, 1, 13] Generated Node #0,0: 17:[5, 1, 13] Operation: 69-56=13 Moving to Node #0,0 Current State: 17:[5, 1, 13], Operations: ['69-56=13'] Exploring Operation: 5+1=6, Resulting Numbers: [13, 6] Generated Node #0,0,0: 17:[13, 6] Operation: 5+1=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[13, 6], Operations: ['69-56=13', '5+1=6'] Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,17 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
[ 36, 18, 74, 68 ]
62
[ "36/18=2", "68*2=136", "136-74=62" ]
Current State: 62:[36, 18, 74, 68], Operations: [] Exploring Operation: 36/18=2, Resulting Numbers: [74, 68, 2] Generated Node #2: [74, 68, 2] from Operation: 36/18=2 Current State: 62:[74, 68, 2], Operations: ['36/18=2'] Exploring Operation: 68*2=136, Resulting Numbers: [74, 136] Generated Node #3: [74, 136] from Operation: 68*2=136 Current State: 62:[74, 136], Operations: ['36/18=2', '68*2=136'] Exploring Operation: 136-74=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[36, 18, 74, 68], Operations: [] Exploring Operation: 74-18=56, Resulting Numbers: [36, 68, 56] Generated Node #0,0: 62:[36, 68, 56] Operation: 74-18=56 Exploring Operation: 36/18=2, Resulting Numbers: [74, 68, 2] Generated Node #0,1: 62:[74, 68, 2] Operation: 36/18=2 Moving to Node #0,0 Current State: 62:[36, 68, 56], Operations: ['74-18=56'] Exploring Operation: 68-56=12, Resulting Numbers: [36, 12] Generated Node #0,0,0: 62:[36, 12] Operation: 68-56=12 Exploring Operation: 68-36=32, Resulting Numbers: [56, 32] Generated Node #0,0,1: 62:[56, 32] Operation: 68-36=32 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 62:[56, 32], Operations: ['74-18=56', '68-36=32'] Exploring Operation: 56-32=24, Resulting Numbers: [24] 24,62 unequal: No Solution Exploring Operation: 56+32=88, Resulting Numbers: [88] 88,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[36, 12], Operations: ['74-18=56', '68-56=12'] Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,62 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 62:[74, 68, 2], Operations: ['36/18=2'] Exploring Operation: 74/2=37, Resulting Numbers: [68, 37] Generated Node #0,1,0: 62:[68, 37] Operation: 74/2=37 Exploring Operation: 74-68=6, Resulting Numbers: [2, 6] Generated Node #0,1,1: 62:[2, 6] Operation: 74-68=6 Moving to Node #0,1,1 Current State: 62:[2, 6], Operations: ['36/18=2', '74-68=6'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[68, 37], Operations: ['36/18=2', '74/2=37'] Exploring Operation: 68+37=105, Resulting Numbers: [105] 105,62 unequal: No Solution Exploring Operation: 68-37=31, Resulting Numbers: [31] 31,62 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 7, 21, 13, 82 ]
66
[ "21/7=3", "82-13=69", "69-3=66" ]
Current State: 66:[7, 21, 13, 82], Operations: [] Exploring Operation: 21/7=3, Resulting Numbers: [13, 82, 3] Generated Node #2: [13, 82, 3] from Operation: 21/7=3 Current State: 66:[13, 82, 3], Operations: ['21/7=3'] Exploring Operation: 82-13=69, Resulting Numbers: [3, 69] Generated Node #3: [3, 69] from Operation: 82-13=69 Current State: 66:[3, 69], Operations: ['21/7=3', '82-13=69'] Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[7, 21, 13, 82], Operations: [] Exploring Operation: 82-21=61, Resulting Numbers: [7, 13, 61] Generated Node #0,0: 66:[7, 13, 61] Operation: 82-21=61 Exploring Operation: 82-13=69, Resulting Numbers: [7, 21, 69] Generated Node #0,1: 66:[7, 21, 69] Operation: 82-13=69 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[7, 21, 69], Operations: ['82-13=69'] Exploring Operation: 21/7=3, Resulting Numbers: [69, 3] Generated Node #0,1,0: 66:[69, 3] Operation: 21/7=3 Exploring Operation: 69-7=62, Resulting Numbers: [21, 62] Generated Node #0,1,1: 66:[21, 62] Operation: 69-7=62 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 66:[69, 3], Operations: ['82-13=69', '21/7=3'] Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,66 unequal: No Solution Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[7, 21, 13, 82], Operations: [] Exploring Operation: 82-13=69, Resulting Numbers: [7, 21, 69] Generated Node #0,1: 66:[7, 21, 69] Operation: 82-13=69 Moving to Node #0,1 Current State: 66:[7, 21, 69], Operations: ['82-13=69'] Exploring Operation: 21/7=3, Resulting Numbers: [69, 3] Generated Node #0,1,0: 66:[69, 3] Operation: 21/7=3 Moving to Node #0,1,0 Current State: 66:[69, 3], Operations: ['82-13=69', '21/7=3'] Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 65, 29, 98, 54 ]
80
[ "65-29=36", "98-54=44", "36+44=80" ]
Current State: 80:[65, 29, 98, 54], Operations: [] Exploring Operation: 65-29=36, Resulting Numbers: [98, 54, 36] Generated Node #2: [98, 54, 36] from Operation: 65-29=36 Current State: 80:[98, 54, 36], Operations: ['65-29=36'] Exploring Operation: 98-54=44, Resulting Numbers: [36, 44] Generated Node #3: [36, 44] from Operation: 98-54=44 Current State: 80:[36, 44], Operations: ['65-29=36', '98-54=44'] Exploring Operation: 36+44=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[65, 29, 98, 54], Operations: [] Exploring Operation: 65-54=11, Resulting Numbers: [29, 98, 11] Generated Node #0,0: 80:[29, 98, 11] Operation: 65-54=11 Exploring Operation: 98-54=44, Resulting Numbers: [65, 29, 44] Generated Node #0,1: 80:[65, 29, 44] Operation: 98-54=44 Moving to Node #0,0 Current State: 80:[29, 98, 11], Operations: ['65-54=11'] Exploring Operation: 98-29=69, Resulting Numbers: [11, 69] Generated Node #0,0,0: 80:[11, 69] Operation: 98-29=69 Exploring Operation: 98-11=87, Resulting Numbers: [29, 87] Generated Node #0,0,1: 80:[29, 87] Operation: 98-11=87 Moving to Node #0,1 Current State: 80:[65, 29, 44], Operations: ['98-54=44'] Exploring Operation: 65-44=21, Resulting Numbers: [29, 21] Generated Node #0,1,0: 80:[29, 21] Operation: 65-44=21 Exploring Operation: 65-29=36, Resulting Numbers: [44, 36] Generated Node #0,1,1: 80:[44, 36] Operation: 65-29=36 Moving to Node #0,1,1 Current State: 80:[44, 36], Operations: ['98-54=44', '65-29=36'] Exploring Operation: 44-36=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 44+36=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[65, 29, 98, 54], Operations: [] Exploring Operation: 98-54=44, Resulting Numbers: [65, 29, 44] Generated Node #0,1: 80:[65, 29, 44] Operation: 98-54=44 Moving to Node #0,1 Current State: 80:[65, 29, 44], Operations: ['98-54=44'] Exploring Operation: 65-29=36, Resulting Numbers: [44, 36] Generated Node #0,1,1: 80:[44, 36] Operation: 65-29=36 Moving to Node #0,1,1 Current State: 80:[44, 36], Operations: ['98-54=44', '65-29=36'] Exploring Operation: 44+36=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
0.989583
hs_2
sum_heuristic
[ 36, 92, 51, 56 ]
51
[ "92-36=56", "51+56=107", "107-56=51" ]
Current State: 51:[36, 92, 51, 56], Operations: [] Exploring Operation: 92-36=56, Resulting Numbers: [51, 56, 56] Generated Node #2: [51, 56, 56] from Operation: 92-36=56 Current State: 51:[51, 56, 56], Operations: ['92-36=56'] Exploring Operation: 51+56=107, Resulting Numbers: [107] 107,51 equal: Goal Reached Exploring Operation: 107-56=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[36, 92, 51, 56], Operations: [] Exploring Operation: 92-56=36, Resulting Numbers: [36, 51, 36] Generated Node #0,0: 51:[36, 51, 36] Operation: 92-56=36 Exploring Operation: 92-51=41, Resulting Numbers: [36, 56, 41] Generated Node #0,1: 51:[36, 56, 41] Operation: 92-51=41 Exploring Operation: 56-36=20, Resulting Numbers: [92, 51, 20] Generated Node #0,2: 51:[92, 51, 20] Operation: 56-36=20 Exploring Operation: 51-36=15, Resulting Numbers: [92, 56, 15] Generated Node #0,3: 51:[92, 56, 15] Operation: 51-36=15 Exploring Operation: 92-36=56, Resulting Numbers: [51, 56, 56] Generated Node #0,4: 51:[51, 56, 56] Operation: 92-36=56 Start Sub Search at level 1: Moving to Node #0,4 Current State: 51:[51, 56, 56], Operations: ['92-36=56'] Exploring Operation: 51+56=107, Resulting Numbers: [56, 107] Generated Node #0,4,0: 51:[56, 107] Operation: 51+56=107 Exploring Operation: 56-56=0, Resulting Numbers: [51, 0] Generated Node #0,4,1: 51:[51, 0] Operation: 56-56=0 Exploring Operation: 56/56=1, Resulting Numbers: [51, 1] Generated Node #0,4,2: 51:[51, 1] Operation: 56/56=1 Exploring Operation: 56-51=5, Resulting Numbers: [56, 5] Generated Node #0,4,3: 51:[56, 5] Operation: 56-51=5 Exploring Operation: 56-51=5, Resulting Numbers: [56, 5] Generated Node #0,4,4: 51:[56, 5] Operation: 56-51=5 Moving to Node #0,4,2 Current State: 51:[51, 1], Operations: ['92-36=56', '56/56=1'] Exploring Operation: 51+1=52, Resulting Numbers: [52] 52,51 unequal: No Solution Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,51 unequal: No Solution Exploring Operation: 51*1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[36, 92, 51, 56], Operations: [] Exploring Operation: 92-36=56, Resulting Numbers: [51, 56, 56] Generated Node #0,4: 51:[51, 56, 56] Operation: 92-36=56 Moving to Node #0,4 Current State: 51:[51, 56, 56], Operations: ['92-36=56'] Exploring Operation: 56/56=1, Resulting Numbers: [51, 1] Generated Node #0,4,2: 51:[51, 1] Operation: 56/56=1 Moving to Node #0,4,2 Current State: 51:[51, 1], Operations: ['92-36=56', '56/56=1'] Exploring Operation: 51*1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 20, 75, 27, 86 ]
77
[ "27-20=7", "86-75=11", "7*11=77" ]
Current State: 77:[20, 75, 27, 86], Operations: [] Exploring Operation: 27-20=7, Resulting Numbers: [75, 86, 7] Generated Node #2: [75, 86, 7] from Operation: 27-20=7 Current State: 77:[75, 86, 7], Operations: ['27-20=7'] Exploring Operation: 86-75=11, Resulting Numbers: [7, 11] Generated Node #3: [7, 11] from Operation: 86-75=11 Current State: 77:[7, 11], Operations: ['27-20=7', '86-75=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[20, 75, 27, 86], Operations: [] Exploring Operation: 27-20=7, Resulting Numbers: [75, 86, 7] Generated Node #0,0: 77:[75, 86, 7] Operation: 27-20=7 Exploring Operation: 86-75=11, Resulting Numbers: [20, 27, 11] Generated Node #0,1: 77:[20, 27, 11] Operation: 86-75=11 Exploring Operation: 86-20=66, Resulting Numbers: [75, 27, 66] Generated Node #0,2: 77:[75, 27, 66] Operation: 86-20=66 Moving to Node #0,0 Current State: 77:[75, 86, 7], Operations: ['27-20=7'] Exploring Operation: 75+7=82, Resulting Numbers: [86, 82] Generated Node #0,0,0: 77:[86, 82] Operation: 75+7=82 Exploring Operation: 86-7=79, Resulting Numbers: [75, 79] Generated Node #0,0,1: 77:[75, 79] Operation: 86-7=79 Exploring Operation: 86-75=11, Resulting Numbers: [7, 11] Generated Node #0,0,2: 77:[7, 11] Operation: 86-75=11 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 77:[7, 11], Operations: ['27-20=7', '86-75=11'] Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[20, 75, 27, 86], Operations: [] Exploring Operation: 27-20=7, Resulting Numbers: [75, 86, 7] Generated Node #0,0: 77:[75, 86, 7] Operation: 27-20=7 Moving to Node #0,0 Current State: 77:[75, 86, 7], Operations: ['27-20=7'] Exploring Operation: 86-75=11, Resulting Numbers: [7, 11] Generated Node #0,0,2: 77:[7, 11] Operation: 86-75=11 Moving to Node #0,0,2 Current State: 77:[7, 11], Operations: ['27-20=7', '86-75=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 21, 21, 99, 44 ]
54
[ "21/21=1", "99-44=55", "55-1=54" ]
Current State: 54:[21, 21, 99, 44], Operations: [] Exploring Operation: 21/21=1, Resulting Numbers: [99, 44, 1] Generated Node #2: [99, 44, 1] from Operation: 21/21=1 Current State: 54:[99, 44, 1], Operations: ['21/21=1'] Exploring Operation: 99-44=55, Resulting Numbers: [1, 55] Generated Node #3: [1, 55] from Operation: 99-44=55 Current State: 54:[1, 55], Operations: ['21/21=1', '99-44=55'] Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[21, 21, 99, 44], Operations: [] Exploring Operation: 44-21=23, Resulting Numbers: [21, 99, 23] Generated Node #0,0: 54:[21, 99, 23] Operation: 44-21=23 Exploring Operation: 99-44=55, Resulting Numbers: [21, 21, 55] Generated Node #0,1: 54:[21, 21, 55] Operation: 99-44=55 Exploring Operation: 44-21=23, Resulting Numbers: [21, 99, 23] Generated Node #0,2: 54:[21, 99, 23] Operation: 44-21=23 Exploring Operation: 99-21=78, Resulting Numbers: [21, 44, 78] Generated Node #0,3: 54:[21, 44, 78] Operation: 99-21=78 Exploring Operation: 99-21=78, Resulting Numbers: [21, 44, 78] Generated Node #0,4: 54:[21, 44, 78] Operation: 99-21=78 Moving to Node #0,1 Current State: 54:[21, 21, 55], Operations: ['99-44=55'] Exploring Operation: 55-21=34, Resulting Numbers: [21, 34] Generated Node #0,1,0: 54:[21, 34] Operation: 55-21=34 Exploring Operation: 55-21=34, Resulting Numbers: [21, 34] Generated Node #0,1,1: 54:[21, 34] Operation: 55-21=34 Exploring Operation: 21+21=42, Resulting Numbers: [55, 42] Generated Node #0,1,2: 54:[55, 42] Operation: 21+21=42 Exploring Operation: 21-21=0, Resulting Numbers: [55, 0] Generated Node #0,1,3: 54:[55, 0] Operation: 21-21=0 Exploring Operation: 21/21=1, Resulting Numbers: [55, 1] Generated Node #0,1,4: 54:[55, 1] Operation: 21/21=1 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 54:[55, 1], Operations: ['99-44=55', '21/21=1'] Exploring Operation: 55+1=56, Resulting Numbers: [56] 56,54 unequal: No Solution Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,54 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[21, 21, 99, 44], Operations: [] Exploring Operation: 99-44=55, Resulting Numbers: [21, 21, 55] Generated Node #0,1: 54:[21, 21, 55] Operation: 99-44=55 Moving to Node #0,1 Current State: 54:[21, 21, 55], Operations: ['99-44=55'] Exploring Operation: 21/21=1, Resulting Numbers: [55, 1] Generated Node #0,1,4: 54:[55, 1] Operation: 21/21=1 Moving to Node #0,1,4 Current State: 54:[55, 1], Operations: ['99-44=55', '21/21=1'] Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 42, 29, 15, 35 ]
33
[ "42-29=13", "35-15=20", "13+20=33" ]
Current State: 33:[42, 29, 15, 35], Operations: [] Exploring Operation: 42-29=13, Resulting Numbers: [15, 35, 13] Generated Node #2: [15, 35, 13] from Operation: 42-29=13 Current State: 33:[15, 35, 13], Operations: ['42-29=13'] Exploring Operation: 35-15=20, Resulting Numbers: [13, 20] Generated Node #3: [13, 20] from Operation: 35-15=20 Current State: 33:[13, 20], Operations: ['42-29=13', '35-15=20'] Exploring Operation: 13+20=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[42, 29, 15, 35], Operations: [] Exploring Operation: 42-29=13, Resulting Numbers: [15, 35, 13] Generated Node #0,0: 33:[15, 35, 13] Operation: 42-29=13 Exploring Operation: 42-15=27, Resulting Numbers: [29, 35, 27] Generated Node #0,1: 33:[29, 35, 27] Operation: 42-15=27 Moving to Node #0,0 Current State: 33:[15, 35, 13], Operations: ['42-29=13'] Exploring Operation: 15-13=2, Resulting Numbers: [35, 2] Generated Node #0,0,0: 33:[35, 2] Operation: 15-13=2 Exploring Operation: 15+13=28, Resulting Numbers: [35, 28] Generated Node #0,0,1: 33:[35, 28] Operation: 15+13=28 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[35, 2], Operations: ['42-29=13', '15-13=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,33 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[42, 29, 15, 35], Operations: [] Exploring Operation: 42-29=13, Resulting Numbers: [15, 35, 13] Generated Node #0,0: 33:[15, 35, 13] Operation: 42-29=13 Moving to Node #0,0 Current State: 33:[15, 35, 13], Operations: ['42-29=13'] Exploring Operation: 15-13=2, Resulting Numbers: [35, 2] Generated Node #0,0,0: 33:[35, 2] Operation: 15-13=2 Moving to Node #0,0,0 Current State: 33:[35, 2], Operations: ['42-29=13', '15-13=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 45, 16, 32, 65 ]
40
[ "65-45=20", "32/16=2", "20*2=40" ]
Current State: 40:[45, 16, 32, 65], Operations: [] Exploring Operation: 65-45=20, Resulting Numbers: [16, 32, 20] Generated Node #2: [16, 32, 20] from Operation: 65-45=20 Current State: 40:[16, 32, 20], Operations: ['65-45=20'] Exploring Operation: 32/16=2, Resulting Numbers: [20, 2] Generated Node #3: [20, 2] from Operation: 32/16=2 Current State: 40:[20, 2], Operations: ['65-45=20', '32/16=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[45, 16, 32, 65], Operations: [] Exploring Operation: 65-32=33, Resulting Numbers: [45, 16, 33] Generated Node #0,0: 40:[45, 16, 33] Operation: 65-32=33 Exploring Operation: 65-45=20, Resulting Numbers: [16, 32, 20] Generated Node #0,1: 40:[16, 32, 20] Operation: 65-45=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[16, 32, 20], Operations: ['65-45=20'] Exploring Operation: 32/16=2, Resulting Numbers: [20, 2] Generated Node #0,1,0: 40:[20, 2] Operation: 32/16=2 Exploring Operation: 32-16=16, Resulting Numbers: [20, 16] Generated Node #0,1,1: 40:[20, 16] Operation: 32-16=16 Moving to Node #0,1,0 Current State: 40:[20, 2], Operations: ['65-45=20', '32/16=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[45, 16, 32, 65], Operations: [] Exploring Operation: 65-45=20, Resulting Numbers: [16, 32, 20] Generated Node #0,1: 40:[16, 32, 20] Operation: 65-45=20 Moving to Node #0,1 Current State: 40:[16, 32, 20], Operations: ['65-45=20'] Exploring Operation: 32/16=2, Resulting Numbers: [20, 2] Generated Node #0,1,0: 40:[20, 2] Operation: 32/16=2 Moving to Node #0,1,0 Current State: 40:[20, 2], Operations: ['65-45=20', '32/16=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 68, 61, 83, 90 ]
94
[ "68*83=5644", "90+5644=5734", "5734/61=94" ]
Current State: 94:[68, 61, 83, 90], Operations: [] Exploring Operation: 68*83=5644, Resulting Numbers: [61, 90, 5644] Generated Node #2: [61, 90, 5644] from Operation: 68*83=5644 Current State: 94:[61, 90, 5644], Operations: ['68*83=5644'] Exploring Operation: 90+5644=5734, Resulting Numbers: [61, 5734] Generated Node #3: [61, 5734] from Operation: 90+5644=5734 Current State: 94:[61, 5734], Operations: ['68*83=5644', '90+5644=5734'] Exploring Operation: 5734/61=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[68, 61, 83, 90], Operations: [] Exploring Operation: 90-83=7, Resulting Numbers: [68, 61, 7] Generated Node #0,0: 94:[68, 61, 7] Operation: 90-83=7 Exploring Operation: 83-68=15, Resulting Numbers: [61, 90, 15] Generated Node #0,1: 94:[61, 90, 15] Operation: 83-68=15 Exploring Operation: 68-61=7, Resulting Numbers: [83, 90, 7] Generated Node #0,2: 94:[83, 90, 7] Operation: 68-61=7 Moving to Node #0,2 Current State: 94:[83, 90, 7], Operations: ['68-61=7'] Exploring Operation: 83+7=90, Resulting Numbers: [90, 90] Generated Node #0,2,0: 94:[90, 90] Operation: 83+7=90 Exploring Operation: 90-83=7, Resulting Numbers: [7, 7] Generated Node #0,2,1: 94:[7, 7] Operation: 90-83=7 Exploring Operation: 90+7=97, Resulting Numbers: [83, 97] Generated Node #0,2,2: 94:[83, 97] Operation: 90+7=97 Moving to Node #0,1 Current State: 94:[61, 90, 15], Operations: ['83-68=15'] Exploring Operation: 90/15=6, Resulting Numbers: [61, 6] Generated Node #0,1,0: 94:[61, 6] Operation: 90/15=6 Exploring Operation: 61+15=76, Resulting Numbers: [90, 76] Generated Node #0,1,1: 94:[90, 76] Operation: 61+15=76 Exploring Operation: 61-15=46, Resulting Numbers: [90, 46] Generated Node #0,1,2: 94:[90, 46] Operation: 61-15=46 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 94:[90, 46], Operations: ['83-68=15', '61-15=46'] Exploring Operation: 90+46=136, Resulting Numbers: [136] 136,94 unequal: No Solution Exploring Operation: 90-46=44, Resulting Numbers: [44] 44,94 unequal: No Solution Exploring Operation: 90*46=4140, Resulting Numbers: [4140] 4140,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 94:[61, 6], Operations: ['83-68=15', '90/15=6'] Exploring Operation: 61+6=67, Resulting Numbers: [67] 67,94 unequal: No Solution Exploring Operation: 61*6=366, Resulting Numbers: [366] 366,94 unequal: No Solution Exploring Operation: 61-6=55, Resulting Numbers: [55] 55,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 94:[90, 76], Operations: ['83-68=15', '61+15=76'] Exploring Operation: 90-76=14, Resulting Numbers: [14] 14,94 unequal: No Solution Exploring Operation: 90+76=166, Resulting Numbers: [166] 166,94 unequal: No Solution Exploring Operation: 90*76=6840, Resulting Numbers: [6840] 6840,94 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: 94:[68, 61, 7], Operations: ['90-83=7'] Exploring Operation: 68-7=61, Resulting Numbers: [61, 61] Generated Node #0,0,0: 94:[61, 61] Operation: 68-7=61 Exploring Operation: 61-7=54, Resulting Numbers: [68, 54] Generated Node #0,0,1: 94:[68, 54] Operation: 61-7=54 Exploring Operation: 68-61=7, Resulting Numbers: [7, 7] Generated Node #0,0,2: 94:[7, 7] Operation: 68-61=7 Moving to Node #0,2,0 Current State: 94:[90, 90], Operations: ['68-61=7', '83+7=90'] Exploring Operation: 90-90=0, Resulting Numbers: [0] 0,94 unequal: No Solution Exploring Operation: 90/90=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 90+90=180, Resulting Numbers: [180] 180,94 unequal: No Solution Moving to Node #0,2,1 Current State: 94:[7, 7], Operations: ['68-61=7', '90-83=7'] Exploring Operation: 7*7=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 7-7=0, Resulting Numbers: [0] 0,94 unequal: No Solution Exploring Operation: 7/7=1, Resulting Numbers: [1] 1,94 unequal: No Solution Moving to Node #0,0,2 Current State: 94:[7, 7], Operations: ['90-83=7', '68-61=7'] Exploring Operation: 7-7=0, Resulting Numbers: [0] 0,94 unequal: No Solution Exploring Operation: 7/7=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 7*7=49, Resulting Numbers: [49] 49,94 unequal: No Solution Moving to Node #0,2,2 Current State: 94:[83, 97], Operations: ['68-61=7', '90+7=97'] Exploring Operation: 83*97=8051, Resulting Numbers: [8051] 8051,94 unequal: No Solution Exploring Operation: 83+97=180, Resulting Numbers: [180] 180,94 unequal: No Solution Exploring Operation: 97-83=14, Resulting Numbers: [14] 14,94 unequal: No Solution Moving to Node #0,0,1 Current State: 94:[68, 54], Operations: ['90-83=7', '61-7=54'] Exploring Operation: 68*54=3672, Resulting Numbers: [3672] 3672,94 unequal: No Solution Exploring Operation: 68-54=14, Resulting Numbers: [14] 14,94 unequal: No Solution Exploring Operation: 68+54=122, Resulting Numbers: [122] 122,94 unequal: No Solution Moving to Node #0,0,0 Current State: 94:[61, 61], Operations: ['90-83=7', '68-7=61'] Exploring Operation: 61-61=0, Resulting Numbers: [0] 0,94 unequal: No Solution Exploring Operation: 61/61=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 61+61=122, Resulting Numbers: [122] 122,94 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 68, 17, 51, 86 ]
16
[ "68-17=51", "86-51=35", "51-35=16" ]
Current State: 16:[68, 17, 51, 86], Operations: [] Exploring Operation: 68-17=51, Resulting Numbers: [51, 86, 51] Generated Node #2: [51, 86, 51] from Operation: 68-17=51 Current State: 16:[51, 86, 51], Operations: ['68-17=51'] Exploring Operation: 86-51=35, Resulting Numbers: [35] 35,16 equal: Goal Reached Exploring Operation: 51-35=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[68, 17, 51, 86], Operations: [] Exploring Operation: 86-68=18, Resulting Numbers: [17, 51, 18] Generated Node #0,0: 16:[17, 51, 18] Operation: 86-68=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[17, 51, 18], Operations: ['86-68=18'] Exploring Operation: 51/17=3, Resulting Numbers: [18, 3] Generated Node #0,0,0: 16:[18, 3] Operation: 51/17=3 Moving to Node #0,0,0 Current State: 16:[18, 3], Operations: ['86-68=18', '51/17=3'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,16 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
[ 15, 75, 45, 82 ]
73
[ "75/15=5", "45/5=9", "82-9=73" ]
Current State: 73:[15, 75, 45, 82], Operations: [] Exploring Operation: 75/15=5, Resulting Numbers: [45, 82, 5] Generated Node #2: [45, 82, 5] from Operation: 75/15=5 Current State: 73:[45, 82, 5], Operations: ['75/15=5'] Exploring Operation: 45/5=9, Resulting Numbers: [82, 9] Generated Node #3: [82, 9] from Operation: 45/5=9 Current State: 73:[82, 9], Operations: ['75/15=5', '45/5=9'] Exploring Operation: 82-9=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[15, 75, 45, 82], Operations: [] Exploring Operation: 82-15=67, Resulting Numbers: [75, 45, 67] Generated Node #0,0: 73:[75, 45, 67] Operation: 82-15=67 Exploring Operation: 15+75=90, Resulting Numbers: [45, 82, 90] Generated Node #0,1: 73:[45, 82, 90] Operation: 15+75=90 Exploring Operation: 75-15=60, Resulting Numbers: [45, 82, 60] Generated Node #0,2: 73:[45, 82, 60] Operation: 75-15=60 Exploring Operation: 45-15=30, Resulting Numbers: [75, 82, 30] Generated Node #0,3: 73:[75, 82, 30] Operation: 45-15=30 Exploring Operation: 15+45=60, Resulting Numbers: [75, 82, 60] Generated Node #0,4: 73:[75, 82, 60] Operation: 15+45=60 Moving to Node #0,4 Current State: 73:[75, 82, 60], Operations: ['15+45=60'] Exploring Operation: 82-75=7, Resulting Numbers: [60, 7] Generated Node #0,4,0: 73:[60, 7] Operation: 82-75=7 Exploring Operation: 75-60=15, Resulting Numbers: [82, 15] Generated Node #0,4,1: 73:[82, 15] Operation: 75-60=15 Exploring Operation: 82+60=142, Resulting Numbers: [75, 142] Generated Node #0,4,2: 73:[75, 142] Operation: 82+60=142 Exploring Operation: 75+60=135, Resulting Numbers: [82, 135] Generated Node #0,4,3: 73:[82, 135] Operation: 75+60=135 Exploring Operation: 82-60=22, Resulting Numbers: [75, 22] Generated Node #0,4,4: 73:[75, 22] Operation: 82-60=22 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 73:[75, 22], Operations: ['15+45=60', '82-60=22'] Exploring Operation: 75*22=1650, Resulting Numbers: [1650] 1650,73 unequal: No Solution Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,73 unequal: No Solution Exploring Operation: 75+22=97, Resulting Numbers: [97] 97,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 73:[82, 15], Operations: ['15+45=60', '75-60=15'] Exploring Operation: 82*15=1230, Resulting Numbers: [1230] 1230,73 unequal: No Solution Exploring Operation: 82-15=67, Resulting Numbers: [67] 67,73 unequal: No Solution Exploring Operation: 82+15=97, Resulting Numbers: [97] 97,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 73:[75, 142], Operations: ['15+45=60', '82+60=142'] Exploring Operation: 142-75=67, Resulting Numbers: [67] 67,73 unequal: No Solution Exploring Operation: 75+142=217, Resulting Numbers: [217] 217,73 unequal: No Solution Exploring Operation: 75*142=10650, Resulting Numbers: [10650] 10650,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 73:[82, 135], Operations: ['15+45=60', '75+60=135'] Exploring Operation: 135-82=53, Resulting Numbers: [53] 53,73 unequal: No Solution Exploring Operation: 82+135=217, Resulting Numbers: [217] 217,73 unequal: No Solution Exploring Operation: 82*135=11070, Resulting Numbers: [11070] 11070,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 73:[60, 7], Operations: ['15+45=60', '82-75=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,73 unequal: No Solution Exploring Operation: 60*7=420, Resulting Numbers: [420] 420,73 unequal: No Solution Exploring Operation: 60+7=67, Resulting Numbers: [67] 67,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 73:[75, 45, 67], Operations: ['82-15=67'] Exploring Operation: 75-67=8, Resulting Numbers: [45, 8] Generated Node #0,0,0: 73:[45, 8] Operation: 75-67=8 Exploring Operation: 75+45=120, Resulting Numbers: [67, 120] Generated Node #0,0,1: 73:[67, 120] Operation: 75+45=120 Exploring Operation: 75-45=30, Resulting Numbers: [67, 30] Generated Node #0,0,2: 73:[67, 30] Operation: 75-45=30 Exploring Operation: 45+67=112, Resulting Numbers: [75, 112] Generated Node #0,0,3: 73:[75, 112] Operation: 45+67=112 Exploring Operation: 67-45=22, Resulting Numbers: [75, 22] Generated Node #0,0,4: 73:[75, 22] Operation: 67-45=22 Moving to Node #0,2 Current State: 73:[45, 82, 60], Operations: ['75-15=60'] Exploring Operation: 82-45=37, Resulting Numbers: [60, 37] Generated Node #0,2,0: 73:[60, 37] Operation: 82-45=37 Exploring Operation: 60-45=15, Resulting Numbers: [82, 15] Generated Node #0,2,1: 73:[82, 15] Operation: 60-45=15 Exploring Operation: 45+60=105, Resulting Numbers: [82, 105] Generated Node #0,2,2: 73:[82, 105] Operation: 45+60=105 Exploring Operation: 45+82=127, Resulting Numbers: [60, 127] Generated Node #0,2,3: 73:[60, 127] Operation: 45+82=127 Exploring Operation: 82-60=22, Resulting Numbers: [45, 22] Generated Node #0,2,4: 73:[45, 22] Operation: 82-60=22 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 73:[82, 105], Operations: ['75-15=60', '45+60=105'] Exploring Operation: 82*105=8610, Resulting Numbers: [8610] 8610,73 unequal: No Solution Exploring Operation: 105-82=23, Resulting Numbers: [23] 23,73 unequal: No Solution Exploring Operation: 82+105=187, Resulting Numbers: [187] 187,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 73:[60, 37], Operations: ['75-15=60', '82-45=37'] Exploring Operation: 60-37=23, Resulting Numbers: [23] 23,73 unequal: No Solution Exploring Operation: 60*37=2220, Resulting Numbers: [2220] 2220,73 unequal: No Solution Exploring Operation: 60+37=97, Resulting Numbers: [97] 97,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 73:[82, 15], Operations: ['75-15=60', '60-45=15'] Exploring Operation: 82*15=1230, Resulting Numbers: [1230] 1230,73 unequal: No Solution Exploring Operation: 82+15=97, Resulting Numbers: [97] 97,73 unequal: No Solution Exploring Operation: 82-15=67, Resulting Numbers: [67] 67,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 73:[60, 127], Operations: ['75-15=60', '45+82=127'] Exploring Operation: 127-60=67, Resulting Numbers: [67] 67,73 unequal: No Solution Exploring Operation: 60*127=7620, Resulting Numbers: [7620] 7620,73 unequal: No Solution Exploring Operation: 60+127=187, Resulting Numbers: [187] 187,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 73:[45, 22], Operations: ['75-15=60', '82-60=22'] Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,73 unequal: No Solution Exploring Operation: 45*22=990, Resulting Numbers: [990] 990,73 unequal: No Solution Exploring Operation: 45+22=67, Resulting Numbers: [67] 67,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 73:[45, 82, 90], Operations: ['15+75=90'] Exploring Operation: 45+90=135, Resulting Numbers: [82, 135] Generated Node #0,1,0: 73:[82, 135] Operation: 45+90=135 Exploring Operation: 82-45=37, Resulting Numbers: [90, 37] Generated Node #0,1,1: 73:[90, 37] Operation: 82-45=37 Exploring Operation: 45+82=127, Resulting Numbers: [90, 127] Generated Node #0,1,2: 73:[90, 127] Operation: 45+82=127 Exploring Operation: 90/45=2, Resulting Numbers: [82, 2] Generated Node #0,1,3: 73:[82, 2] Operation: 90/45=2 Exploring Operation: 90-45=45, Resulting Numbers: [82, 45] Generated Node #0,1,4: 73:[82, 45] Operation: 90-45=45 Moving to Node #0,3 Current State: 73:[75, 82, 30], Operations: ['45-15=30'] Exploring Operation: 82-75=7, Resulting Numbers: [30, 7] Generated Node #0,3,0: 73:[30, 7] Operation: 82-75=7 Exploring Operation: 82+30=112, Resulting Numbers: [75, 112] Generated Node #0,3,1: 73:[75, 112] Operation: 82+30=112 Exploring Operation: 75-30=45, Resulting Numbers: [82, 45] Generated Node #0,3,2: 73:[82, 45] Operation: 75-30=45 Exploring Operation: 75+30=105, Resulting Numbers: [82, 105] Generated Node #0,3,3: 73:[82, 105] Operation: 75+30=105 Exploring Operation: 82-30=52, Resulting Numbers: [75, 52] Generated Node #0,3,4: 73:[75, 52] Operation: 82-30=52 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 73:[75, 52], Operations: ['45-15=30', '82-30=52'] Exploring Operation: 75-52=23, Resulting Numbers: [23] 23,73 unequal: No Solution Exploring Operation: 75+52=127, Resulting Numbers: [127] 127,73 unequal: No Solution Exploring Operation: 75*52=3900, Resulting Numbers: [3900] 3900,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 73:[82, 45], Operations: ['45-15=30', '75-30=45'] Exploring Operation: 82+45=127, Resulting Numbers: [127] 127,73 unequal: No Solution Exploring Operation: 82*45=3690, Resulting Numbers: [3690] 3690,73 unequal: No Solution Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 73:[75, 112], Operations: ['45-15=30', '82+30=112'] Exploring Operation: 75+112=187, Resulting Numbers: [187] 187,73 unequal: No Solution Exploring Operation: 75*112=8400, Resulting Numbers: [8400] 8400,73 unequal: No Solution Exploring Operation: 112-75=37, Resulting Numbers: [37] 37,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 73:[82, 105], Operations: ['45-15=30', '75+30=105'] Exploring Operation: 82+105=187, Resulting Numbers: [187] 187,73 unequal: No Solution Exploring Operation: 105-82=23, Resulting Numbers: [23] 23,73 unequal: No Solution Exploring Operation: 82*105=8610, Resulting Numbers: [8610] 8610,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 73:[30, 7], Operations: ['45-15=30', '82-75=7'] Exploring Operation: 30*7=210, Resulting Numbers: [210] 210,73 unequal: No Solution Exploring Operation: 30+7=37, Resulting Numbers: [37] 37,73 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,4 Current State: 73:[82, 45], Operations: ['15+75=90', '90-45=45'] Exploring Operation: 82*45=3690, Resulting Numbers: [3690] 3690,73 unequal: No Solution Exploring Operation: 82+45=127, Resulting Numbers: [127] 127,73 unequal: No Solution Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,73 unequal: No Solution Moving to Node #0,0,3 Current State: 73:[75, 112], Operations: ['82-15=67', '45+67=112'] Exploring Operation: 75*112=8400, Resulting Numbers: [8400] 8400,73 unequal: No Solution Exploring Operation: 75+112=187, Resulting Numbers: [187] 187,73 unequal: No Solution Exploring Operation: 112-75=37, Resulting Numbers: [37] 37,73 unequal: No Solution Moving to Node #0,0,2 Current State: 73:[67, 30], Operations: ['82-15=67', '75-45=30'] Exploring Operation: 67-30=37, Resulting Numbers: [37] 37,73 unequal: No Solution Exploring Operation: 67*30=2010, Resulting Numbers: [2010] 2010,73 unequal: No Solution Exploring Operation: 67+30=97, Resulting Numbers: [97] 97,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[90, 37], Operations: ['15+75=90', '82-45=37'] Exploring Operation: 90+37=127, Resulting Numbers: [127] 127,73 unequal: No Solution Exploring Operation: 90-37=53, Resulting Numbers: [53] 53,73 unequal: No Solution Exploring Operation: 90*37=3330, Resulting Numbers: [3330] 3330,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[67, 120], Operations: ['82-15=67', '75+45=120'] Exploring Operation: 67+120=187, Resulting Numbers: [187] 187,73 unequal: No Solution Exploring Operation: 67*120=8040, Resulting Numbers: [8040] 8040,73 unequal: No Solution Exploring Operation: 120-67=53, Resulting Numbers: [53] 53,73 unequal: No Solution Moving to Node #0,0,4 Current State: 73:[75, 22], Operations: ['82-15=67', '67-45=22'] Exploring Operation: 75+22=97, Resulting Numbers: [97] 97,73 unequal: No Solution Exploring Operation: 75*22=1650, Resulting Numbers: [1650] 1650,73 unequal: No Solution Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,73 unequal: No Solution Moving to Node #0,1,2 Current State: 73:[90, 127], Operations: ['15+75=90', '45+82=127'] Exploring Operation: 90+127=217, Resulting Numbers: [217] 217,73 unequal: No Solution Exploring Operation: 127-90=37, Resulting Numbers: [37] 37,73 unequal: No Solution Exploring Operation: 90*127=11430, Resulting Numbers: [11430] 11430,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[82, 135], Operations: ['15+75=90', '45+90=135'] Exploring Operation: 82+135=217, Resulting Numbers: [217] 217,73 unequal: No Solution Exploring Operation: 82*135=11070, Resulting Numbers: [11070] 11070,73 unequal: No Solution Exploring Operation: 135-82=53, Resulting Numbers: [53] 53,73 unequal: No Solution Moving to Node #0,1,3 Current State: 73:[82, 2], Operations: ['15+75=90', '90/45=2'] Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,73 unequal: No Solution Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,73 unequal: No Solution Exploring Operation: 82*2=164, Resulting Numbers: [164] 164,73 unequal: No Solution Exploring Operation: 82+2=84, Resulting Numbers: [84] 84,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[45, 8], Operations: ['82-15=67', '75-67=8'] Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,73 unequal: No Solution Exploring Operation: 45*8=360, Resulting Numbers: [360] 360,73 unequal: No Solution Exploring Operation: 45+8=53, Resulting Numbers: [53] 53,73 unequal: No Solution No solution found.
0
hs_5
sum_heuristic